/* ==========================================================================
   Thế giới nội y – Noiymy.vn | Home template
   Token-driven. Component CSS chỉ dùng biến semantic, không dùng mã hex trực tiếp.
   ========================================================================== */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Typography – từ design system */
  --font-family-primary: "Public Sans", Helvetica, Arial, sans-serif;
  --font-family-display: "Playfair Display", Georgia, serif; /* mở rộng: logo & tiêu đề hero */
  --font-size-xs: 9.48px;
  --font-size-sm: 10.67px;
  --font-size-md: 11px;
  --font-size-lg: 12px;
  --font-size-xl: 15.19px;
  --font-size-2xl: 17px;
  --font-size-3xl: 24.32px;
  /* Mở rộng cho banner (không có trong scale gốc) */
  --font-size-4xl: clamp(28px, 4vw, 40px);
  --font-size-display: clamp(36px, 6vw, 72px);
  /* Body: dùng 13px để đọc tốt tiếng Việt có dấu trên mobile */
  --font-size-body: 13px;
  --font-weight-base: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-base: 17px;
  --line-height-body: 1.55;
  --line-height-tight: 1.15;
  --letter-spacing-caps: .12em;

  /* Primitive colors (chỉ dùng trong :root) */
  --c-ink: #221d1d;
  --c-rose: #af5071;
  --c-plum: #4e3844;
  --c-black: #000000;
  --c-white: #ffffff;
  --c-gray-200: #e5e7eb;
  --c-blush: #f8eef1;
  --c-blush-2: #f3dfe6;
  --c-rose-dark: #8f3d5a;
  --c-error: #b42318;
  --c-success: #1f7a4d;

  /* Semantic colors */
  --color-text-primary: var(--c-ink);
  --color-text-secondary: var(--c-rose);
  --color-text-tertiary: var(--c-plum);
  --color-text-inverse: var(--c-white);
  --color-text-error: var(--c-error);
  --color-text-success: var(--c-success);
  --color-surface-base: var(--c-black);
  --color-surface-muted: var(--c-white);
  --color-surface-soft: var(--c-blush);
  --color-surface-accent: var(--c-blush-2);
  --color-border-default: var(--c-gray-200);
  --color-border-strong: var(--c-ink);
  --color-action-primary: var(--c-ink);
  --color-action-primary-hover: var(--c-plum);
  --color-action-accent: var(--c-rose);
  --color-action-accent-hover: var(--c-rose-dark);
  --color-focus-ring: var(--c-rose);
  --color-overlay: rgba(34, 29, 29, .55);

  /* Spacing */
  --space-1: 2px;
  --space-2: 4.01px;
  --space-3: 8px;
  --space-4: 10px;
  --space-5: 12px;
  --space-6: 16.01px;
  --space-7: 24px;
  --space-8: 32px;   /* mở rộng: khoảng cách section */
  --space-9: 48px;
  --space-10: 72px;

  /* Radius / shadow / motion */
  --radius-none: 0;
  --radius-sm: 2px;
  --radius-pill: 999px;
  --radius-circle: 50%;
  --shadow-sm: 0 2px 8px rgba(34, 29, 29, .08);
  --shadow-lg: 0 16px 40px rgba(34, 29, 29, .18);
  --motion-duration-instant: 200ms;
  --motion-duration-slow: 600ms;
  --motion-easing: cubic-bezier(.2, .7, .2, 1);

  /* Layout */
  --container: 1320px;
  --gutter: 16px;
  --header-h: 64px;
  --tap-target: 44px;

  /* Placeholder gradients (hiện khi chưa có ảnh) */
  --ph-1: linear-gradient(135deg, #5a1f33 0%, #af5071 55%, #e7b3c4 100%);
  --ph-2: linear-gradient(160deg, #e9c9d3 0%, #c97c97 100%);
  --ph-3: linear-gradient(135deg, #e8d5c8 0%, #b8927f 100%);
  --ph-4: linear-gradient(135deg, #f3dfe6 0%, #d99bb1 60%, #8f3d5a 100%);
  --ph-5: linear-gradient(160deg, #f5e9e2 0%, #d8b4a6 100%);
  --ph-6: linear-gradient(135deg, #ffd6e4 0%, #ff8fb5 100%);
  --ph-7: linear-gradient(135deg, #2b2730 0%, #6b5b6e 100%);
  --ph-8: linear-gradient(135deg, #1a1416 0%, #4e3844 60%, #c7a07a 100%);
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-family-primary);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-base);
  line-height: var(--line-height-body);
  color: var(--color-text-primary);
  background: var(--color-surface-muted);
  overflow-x: hidden;
}
body.is-locked { overflow: hidden; }
[hidden] { display: none !important; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }
svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: var(--space-6); top: -100px; z-index: 1000;
  background: var(--color-action-primary); color: var(--color-text-inverse);
  padding: var(--space-4) var(--space-6);
}
.skip-link:focus { top: var(--space-3); }
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.text-accent { color: var(--color-text-secondary) !important; }

@media (min-width: 1024px) { .hide-desktop { display: none !important; } }
@media (max-width: 1023px) { .hide-mobile { display: none !important; } }

/* Media + placeholder */
.media { position: relative; overflow: hidden; background-color: var(--color-surface-soft); }
.media > img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--motion-duration-slow) var(--motion-easing); }
.ph--1 { background-image: var(--ph-1); } .ph--2 { background-image: var(--ph-2); }
.ph--3 { background-image: var(--ph-3); } .ph--4 { background-image: var(--ph-4); }
.ph--5 { background-image: var(--ph-5); } .ph--6 { background-image: var(--ph-6); }
.ph--7 { background-image: var(--ph-7); } .ph--8 { background-image: var(--ph-8); }

/* Typography helpers */
.eyebrow {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-caps);
  text-transform: uppercase;
}
.section__title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-tight);
}
.link-more {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold);
  text-transform: uppercase; letter-spacing: var(--letter-spacing-caps);
  border-bottom: 1px solid currentColor; padding-bottom: var(--space-1);
  transition: color var(--motion-duration-instant);
}
.link-more:hover { color: var(--color-text-secondary); }

/* ---------- 3. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-3);
  min-height: var(--tap-target);
  padding: var(--space-4) var(--space-7);
  font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-caps); text-transform: uppercase;
  border: 1px solid transparent; border-radius: var(--radius-none);
  transition: background-color var(--motion-duration-instant), color var(--motion-duration-instant), border-color var(--motion-duration-instant), transform var(--motion-duration-instant);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .45; cursor: not-allowed; pointer-events: none; }
.btn.is-loading { color: transparent !important; position: relative; pointer-events: none; }
.btn.is-loading::after {
  content: ""; position: absolute; width: 16px; height: 16px; border-radius: var(--radius-circle);
  border: 2px solid var(--color-text-inverse); border-right-color: transparent;
  animation: spin .7s linear infinite;
}
.btn--primary { background: var(--color-action-primary); color: var(--color-text-inverse); }
.btn--primary:hover { background: var(--color-action-primary-hover); }
.btn--light { background: var(--color-surface-muted); color: var(--color-text-primary); }
.btn--light:hover { background: var(--color-surface-accent); }
.btn--light.is-loading::after { border-color: var(--color-text-primary); border-right-color: transparent; }
.btn--outline-light { border-color: var(--color-text-inverse); color: var(--color-text-inverse); }
.btn--outline-light:hover { background: var(--color-surface-muted); color: var(--color-text-primary); }
.btn--block { width: 100%; }
.btn-group { display: flex; flex-wrap: wrap; gap: var(--space-5); }
@keyframes spin { to { transform: rotate(360deg); } }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: var(--tap-target); height: var(--tap-target); position: relative;
  transition: color var(--motion-duration-instant);
}
.icon-btn:hover { color: var(--color-text-secondary); }

/* ---------- 4. Promo bar ---------- */
.promo-bar { background: var(--color-surface-base); color: var(--color-text-inverse); font-size: var(--font-size-lg); }
.promo-bar__inner { display: flex; align-items: center; justify-content: space-between; min-height: 36px; }
.promo-bar__list { flex: 1; text-align: center; position: relative; min-height: 18px; }
.promo-bar__list li { display: none; }
.promo-bar__list li.is-active { display: block; animation: fadeIn var(--motion-duration-slow) var(--motion-easing); }
.promo-bar__list a { text-decoration: underline; text-underline-offset: 2px; }
.promo-bar__nav { width: 32px; height: 32px; font-size: var(--font-size-2xl); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ---------- 5. Header & nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-surface-muted);
  border-bottom: 1px solid var(--color-border-default);
  transition: box-shadow var(--motion-duration-instant);
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }
.site-header__top {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  min-height: var(--header-h);
  padding-block: var(--space-3);
}
.site-header__utility { display: flex; gap: var(--space-6); font-size: var(--font-size-lg); color: var(--color-text-tertiary); }
.site-header__utility a:hover { color: var(--color-text-secondary); }
.site-header__actions { display: flex; justify-content: flex-end; gap: var(--space-1); }
.logo { display: flex; align-items: center; justify-content: center; line-height: 0; }
.logo__img { height: 68px; width: auto; max-width: 100%; }
.logo__img--drawer { height: 40px; }
.logo--footer { justify-content: flex-start; }
.logo--footer .logo__img { height: 64px; }
.cart-btn__count {
  position: absolute; top: 6px; right: 4px; min-width: 18px; height: 18px; padding: 0 var(--space-2);
  border-radius: var(--radius-pill); background: var(--color-action-accent); color: var(--color-text-inverse);
  font-size: var(--font-size-sm); font-weight: var(--font-weight-bold); line-height: 18px; text-align: center;
}
.cart-btn__count.is-bump { animation: bump var(--motion-duration-slow) var(--motion-easing); }
@keyframes bump { 30% { transform: scale(1.35); } }

.main-nav { border-top: 1px solid var(--color-border-default); }
.main-nav__list { display: flex; justify-content: center; gap: var(--space-2); }
.main-nav__link {
  display: inline-flex; align-items: center; min-height: var(--tap-target); white-space: nowrap;
  padding: 0 var(--space-6);
  font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold);
  text-transform: uppercase; letter-spacing: var(--letter-spacing-caps);
  position: relative;
}
.main-nav__link::after {
  content: ""; position: absolute; left: var(--space-6); right: var(--space-6); bottom: 8px; height: 2px;
  background: var(--color-action-accent); transform: scaleX(0); transition: transform var(--motion-duration-instant);
}
.main-nav__link:hover::after, .main-nav__link[aria-expanded="true"]::after { transform: scaleX(1); }

.mega {
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--color-surface-muted); border-top: 1px solid var(--color-border-default);
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity var(--motion-duration-instant), transform var(--motion-duration-instant), visibility var(--motion-duration-instant);
}
.main-nav__item.is-open .mega { opacity: 1; visibility: visible; transform: none; }
.mega__inner { display: grid; grid-template-columns: repeat(3, 1fr) 1.3fr; gap: var(--space-8); padding-block: var(--space-8); }
.mega__title { font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps); margin-bottom: var(--space-5); }
.mega__col li a { display: block; padding: var(--space-2) 0; font-size: var(--font-size-body); color: var(--color-text-tertiary); }
.mega__col li a:hover { color: var(--color-text-secondary); text-decoration: underline; }
.mega__promo { aspect-ratio: 4 / 3; display: flex; align-items: flex-end; }
.mega__promo-text {
  position: relative; z-index: 1; margin: var(--space-6); padding: var(--space-5) var(--space-6);
  background: var(--color-surface-muted); font-family: var(--font-family-display); font-size: var(--font-size-2xl);
}
.mega__promo-text small { display: block; font-family: var(--font-family-primary); font-size: var(--font-size-md); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps); color: var(--color-text-secondary); }
.mega__promo > img { position: absolute; inset: 0; }
.mega__inner--brands { display: block; }
.mega__brands { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3) var(--space-8); }
.mega__brands a { display: block; padding: var(--space-3) 0; font-family: var(--font-family-display); font-size: var(--font-size-2xl); border-bottom: 1px solid var(--color-border-default); }
.mega__brands a:hover { color: var(--color-text-secondary); }

/* ---------- 6. Hero slider ---------- */
.hero { position: relative; background: var(--color-surface-base); }
.hero__track { position: relative; height: clamp(460px, 72vh, 760px); }
.hero__slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden;
  transition: opacity var(--motion-duration-slow) var(--motion-easing), visibility var(--motion-duration-slow);
}
.hero__slide.is-active { opacity: 1; visibility: visible; }
.hero__slide .media { position: absolute; inset: 0; }
.hero__slide .media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,10,14,.72) 0%, rgba(20,10,14,.35) 45%, rgba(0,0,0,0) 75%); }
.hero__slide--right .media::after { background: linear-gradient(270deg, rgba(20,10,14,.72) 0%, rgba(20,10,14,.35) 45%, rgba(0,0,0,0) 75%); }
.hero__slide.is-active .media > img { animation: kenburns 8s ease-out both; }
@keyframes kenburns { from { transform: scale(1.06); } to { transform: scale(1); } }
.hero__content {
  position: relative; z-index: 1; height: 100%;
  display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: var(--space-6);
  color: var(--color-text-inverse);
  text-shadow: 0 1px 12px rgba(0,0,0,.35);
}
.hero__content--right { align-items: flex-end; text-align: right; }
.hero__content--right .btn-group { justify-content: flex-end; }
.hero__title { font-family: var(--font-family-display); font-size: var(--font-size-display); font-weight: var(--font-weight-medium); line-height: 1.02; max-width: 12ch; }
.hero__desc { font-size: var(--font-size-xl); max-width: 42ch; }
.hero__slide.is-active .hero__content > * { animation: rise .8s var(--motion-easing) both; }
.hero__slide.is-active .hero__content > :nth-child(2) { animation-delay: .1s; }
.hero__slide.is-active .hero__content > :nth-child(3) { animation-delay: .2s; }
.hero__slide.is-active .hero__content > :nth-child(4) { animation-delay: .3s; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.hero__controls {
  position: absolute; left: 0; right: 0; bottom: var(--space-7); z-index: 2;
  display: flex; align-items: center; justify-content: center; gap: var(--space-5); color: var(--color-text-inverse);
}
.hero__arrow, .hero__pause { width: var(--tap-target); height: var(--tap-target); display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.6); border-radius: var(--radius-circle); transition: background-color var(--motion-duration-instant); }
.hero__arrow:hover, .hero__pause:hover { background: rgba(255,255,255,.18); }
.hero__pause .i-play { display: none; }
.hero.is-paused .hero__pause .i-play { display: block; }
.hero.is-paused .hero__pause .i-pause { display: none; }
.hero__dots { display: flex; gap: var(--space-2); }
.hero__dot { width: var(--tap-target); height: var(--tap-target); display: inline-flex; align-items: center; justify-content: center; }
.hero__dot::before { content: ""; width: 28px; height: 3px; background: rgba(255,255,255,.45); transition: background-color var(--motion-duration-instant); }
.hero__dot[aria-selected="true"]::before { background: var(--color-surface-muted); }

/* ---------- 7. Sections ---------- */
.section { padding-block: var(--space-10); }
.section--tight { padding-block: var(--space-9) var(--space-8); }
.section--flush { padding: 0; }
.section--alt { background: var(--color-surface-soft); }
.section__head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-6); flex-wrap: wrap; margin-bottom: var(--space-8); }
.section--tight .section__title { text-align: center; margin-bottom: var(--space-8); }

/* Category strip */
.cat-strip { display: grid; grid-template-columns: repeat(8, minmax(96px, 1fr)); gap: var(--space-6); overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: var(--space-3); scrollbar-width: none; }
.cat-strip::-webkit-scrollbar { display: none; }
.cat-strip li { scroll-snap-align: start; }
.cat-item { display: flex; flex-direction: column; align-items: center; gap: var(--space-5); font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); text-transform: uppercase; letter-spacing: .06em; text-align: center; }
.cat-item .media { width: 100%; aspect-ratio: 1; border-radius: var(--radius-circle); transition: box-shadow var(--motion-duration-instant); }
.cat-item:hover .media { box-shadow: 0 0 0 2px var(--color-surface-muted), 0 0 0 4px var(--color-action-accent); }
.cat-item:hover .media > img { transform: scale(1.06); }

/* Split banners */
.split { display: grid; grid-template-columns: 1fr 1fr; }
.split__item { aspect-ratio: 4 / 5; max-height: 820px; width: 100%; display: flex; align-items: flex-end; }
.split__item > img { position: absolute; inset: 0; }
.split__item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,.5) 0%, transparent 55%); }
.split__item:hover > img { transform: scale(1.04); }
.split__content { position: relative; z-index: 1; padding: var(--space-9); color: var(--color-text-inverse); display: grid; gap: var(--space-5); justify-items: start; }
.split__title { font-family: var(--font-family-display); font-size: var(--font-size-4xl); line-height: var(--line-height-tight); }

/* Brands */
.brand-grid { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--color-border-default); border-left: 1px solid var(--color-border-default); }
.brand-grid a {
  display: flex; align-items: center; justify-content: center; text-align: center;
  min-height: 96px; padding: var(--space-6);
  border-right: 1px solid var(--color-border-default); border-bottom: 1px solid var(--color-border-default);
  font-family: var(--font-family-display); font-size: var(--font-size-2xl);
  transition: background-color var(--motion-duration-instant), color var(--motion-duration-instant);
}
.brand-grid a:hover { background: var(--color-surface-soft); color: var(--color-text-secondary); }

/* Tabs */
.tabs { display: flex; gap: var(--space-2); overflow-x: auto; scrollbar-width: none; }
.tabs [role="tab"] {
  min-height: var(--tap-target); padding: 0 var(--space-6); white-space: nowrap;
  font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps);
  border: 1px solid var(--color-border-default); border-radius: var(--radius-pill);
  transition: all var(--motion-duration-instant);
}
.tabs [role="tab"]:hover { border-color: var(--color-border-strong); }
.tabs [role="tab"][aria-selected="true"] { background: var(--color-action-primary); border-color: var(--color-action-primary); color: var(--color-text-inverse); }

/* Carousel */
.carousel { position: relative; }
.carousel__track { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 3 * var(--space-6)) / 4); gap: var(--space-6); overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; }
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__track > * { scroll-snap-align: start; }
.carousel__arrow {
  position: absolute; top: 38%; z-index: 2; width: var(--tap-target); height: var(--tap-target);
  background: var(--color-surface-muted); border: 1px solid var(--color-border-default); border-radius: var(--radius-circle);
  font-size: var(--font-size-3xl); line-height: 1; box-shadow: var(--shadow-sm);
  transition: opacity var(--motion-duration-instant), background-color var(--motion-duration-instant);
}
.carousel__arrow:hover { background: var(--color-surface-soft); }
.carousel__arrow[disabled] { opacity: 0; pointer-events: none; }
.carousel__arrow--prev { left: calc(-1 * var(--space-5)); }
.carousel__arrow--next { right: calc(-1 * var(--space-5)); }
.carousel__track.is-fading { opacity: .3; transition: opacity var(--motion-duration-instant); }

/* Product card */
.product-card { display: flex; flex-direction: column; gap: var(--space-5); min-width: 0; }
.product-card__media { aspect-ratio: 3 / 4; }
.product-card__link, .product-card__link img { display: block; width: 100%; height: 100%; object-fit: cover; }
.product-card__link img { transition: transform var(--motion-duration-slow) var(--motion-easing); }
.product-card:hover .product-card__link img { transform: scale(1.04); }
.badge {
  position: absolute; top: var(--space-5); left: var(--space-5);
  padding: var(--space-2) var(--space-3); background: var(--color-surface-muted);
  font-size: var(--font-size-sm); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: .08em;
}
.badge--sale { background: var(--color-action-accent); color: var(--color-text-inverse); }
.product-card__add {
  position: absolute; left: var(--space-5); right: var(--space-5); bottom: var(--space-5);
  opacity: 0; transform: translateY(8px);
  transition: opacity var(--motion-duration-instant), transform var(--motion-duration-instant), background-color var(--motion-duration-instant);
}
.product-card:hover .product-card__add, .product-card__add:focus-visible { opacity: 1; transform: none; }
@media (hover: none) { .product-card__add { opacity: 1; transform: none; position: static; margin-top: auto; width: 100%; } .product-card__media { display: flex; flex-direction: column; } }
.product-card__brand { font-size: var(--font-size-md); font-weight: var(--font-weight-semibold); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps); color: var(--color-text-tertiary); }
.product-card__name { font-size: var(--font-size-body); font-weight: var(--font-weight-medium); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.8em; }
.product-card__name a:hover { text-decoration: underline; }
.product-card__price { display: flex; gap: var(--space-3); align-items: baseline; }
.price { font-weight: var(--font-weight-bold); font-size: var(--font-size-xl); }
.price--sale { color: var(--color-text-secondary); }
.price-old { color: var(--color-text-tertiary); font-size: var(--font-size-lg); }
.swatches { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.swatches button { width: 24px; height: 24px; border-radius: var(--radius-circle); border: 1px solid var(--color-border-default); position: relative; }
.swatches button::before { content: ""; position: absolute; inset: -10px; } /* tăng vùng chạm */
.swatches button[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--color-surface-muted), 0 0 0 3px var(--color-border-strong); }
.product-card--skeleton .product-card__media,
.product-card--skeleton .sk { background: linear-gradient(90deg, var(--color-surface-soft), var(--color-surface-accent), var(--color-surface-soft)); background-size: 200% 100%; animation: shimmer 1.2s linear infinite; }
.product-card--skeleton .sk { height: 12px; }
.product-card--skeleton .sk--short { width: 50%; }
@keyframes shimmer { to { background-position: -200% 0; } }
.empty-state { grid-column: 1 / -1; padding: var(--space-9); text-align: center; color: var(--color-text-tertiary); border: 1px dashed var(--color-border-default); }

/* Campaign */
.campaign { min-height: clamp(440px, 60vh, 640px); display: flex; align-items: center; color: var(--color-text-inverse); }
.campaign > img { position: absolute; inset: 0; }
.campaign::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,10,14,.75) 0%, rgba(20,10,14,.4) 50%, rgba(0,0,0,.05) 80%); }
.campaign__content { position: relative; z-index: 1; display: grid; gap: var(--space-6); justify-items: start; }
.campaign__title { font-family: var(--font-family-display); font-size: var(--font-size-display); font-weight: var(--font-weight-medium); line-height: 1.02; font-style: italic; }
.campaign__desc { font-size: var(--font-size-xl); max-width: 44ch; }

/* Mosaic */
.mosaic { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 260px; grid-auto-flow: dense; gap: var(--space-6); }
.mosaic__item { display: flex; align-items: flex-end; }
.mosaic__item > img { position: absolute; inset: 0; }
.mosaic__item--tall { grid-row: span 2; }
.mosaic__item--wide { grid-column: span 2; }
.mosaic__item:hover > img { transform: scale(1.05); }
.mosaic__label {
  position: relative; z-index: 1; margin: var(--space-6); padding: var(--space-5) var(--space-6);
  background: var(--color-surface-muted); font-family: var(--font-family-display); font-size: var(--font-size-2xl);
  transition: background-color var(--motion-duration-instant), color var(--motion-duration-instant);
}
.mosaic__label small { display: block; font-family: var(--font-family-primary); font-size: var(--font-size-md); font-weight: var(--font-weight-semibold); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps); color: var(--color-text-secondary); }
.mosaic__item:hover .mosaic__label { background: var(--color-action-primary); color: var(--color-text-inverse); }

/* Trio */
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.trio__item { display: grid; gap: var(--space-5); }
.trio__item .media { aspect-ratio: 4 / 3; }
.trio__item:hover .media > img { transform: scale(1.05); }
.trio__body { display: grid; gap: var(--space-3); justify-items: start; }
.trio__body .eyebrow { color: var(--color-text-secondary); }
.trio__title { font-family: var(--font-family-display); font-size: var(--font-size-3xl); }

/* Fit finder */
.fit { background: var(--color-surface-accent); }
.fit__inner { display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; gap: 0; padding-inline: 0; }
.fit__media { min-height: 440px; }
.fit__media > img { position: absolute; inset: 0; }
.fit__body { padding: var(--space-10) var(--space-9); display: grid; gap: var(--space-6); align-content: center; }
.fit__body .eyebrow { color: var(--color-text-secondary); }
.fit__title { font-family: var(--font-family-display); font-size: var(--font-size-4xl); font-weight: var(--font-weight-medium); line-height: var(--line-height-tight); }
.fit__form { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); align-items: start; }
.fit__form .btn { grid-column: 1 / -1; justify-self: start; }
.fit__result { grid-column: 1 / -1; font-size: var(--font-size-xl); font-weight: var(--font-weight-semibold); }

/* Form fields */
.field { display: grid; gap: var(--space-2); }
.field label { font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); }
.field input, .search-form input, .newsletter__form input {
  min-height: var(--tap-target); width: 100%; padding: 0 var(--space-5);
  font: inherit; color: var(--color-text-primary); background: var(--color-surface-muted);
  border: 1px solid var(--color-border-strong); border-radius: var(--radius-none);
  transition: border-color var(--motion-duration-instant), box-shadow var(--motion-duration-instant);
}
.field input:hover { border-color: var(--color-text-secondary); }
.field input:focus-visible, .search-form input:focus-visible, .newsletter__form input:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--color-focus-ring); }
.field input[aria-invalid="true"] { border-color: var(--color-text-error); }
.field input:disabled { background: var(--color-surface-soft); cursor: not-allowed; }
.field__error { color: var(--color-text-error); font-size: var(--font-size-lg); }

/* Services */
.services { border-block: 1px solid var(--color-border-default); }
.services__list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); padding-block: var(--space-8); }
.services__list li { display: flex; gap: var(--space-5); align-items: center; }
.services__list svg { width: 32px; height: 32px; flex: none; color: var(--color-text-secondary); }
.services__list strong { display: block; font-size: var(--font-size-body); }
.services__list span { font-size: var(--font-size-lg); color: var(--color-text-tertiary); }

/* Blog */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-7); }
.blog-card { display: grid; gap: var(--space-5); }
.blog-card .media { aspect-ratio: 16 / 10; display: block; }
.blog-card:hover .media > img { transform: scale(1.04); }
.blog-card__meta { font-size: var(--font-size-lg); color: var(--color-text-secondary); text-transform: uppercase; letter-spacing: .08em; }
.blog-card__title { font-family: var(--font-family-display); font-size: var(--font-size-2xl); font-weight: var(--font-weight-medium); line-height: 1.35; }
.blog-card__title a:hover { text-decoration: underline; }

/* Newsletter */
.newsletter { background: var(--color-surface-base); color: var(--color-text-inverse); padding-block: var(--space-9); }
.newsletter__inner { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); align-items: center; }
.newsletter__title { font-family: var(--font-family-display); font-size: var(--font-size-3xl); font-weight: var(--font-weight-medium); margin-bottom: var(--space-3); }
.newsletter__form { display: grid; grid-template-columns: 1fr auto; gap: var(--space-3); }
.newsletter__form input { border-color: var(--color-surface-muted); }
.newsletter__msg { grid-column: 1 / -1; font-size: var(--font-size-lg); min-height: 1.4em; }
.newsletter__msg.is-error { color: var(--color-surface-accent); }

/* Footer */
.site-footer { background: var(--color-surface-soft); color: var(--color-text-primary); padding-top: var(--space-10); border-top: 1px solid var(--color-surface-accent); }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: var(--space-8); }
.footer__brand { display: grid; gap: var(--space-6); align-content: start; }
.footer__brand p, .footer__contact { color: var(--color-text-tertiary); }
.footer__contact { display: grid; gap: var(--space-2); }
.footer__col summary { list-style: none; font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps); margin-bottom: var(--space-6); cursor: default; }
.footer__col summary::-webkit-details-marker { display: none; }
.footer__col ul { display: grid; gap: var(--space-3); }
.footer__col a, .footer__contact a { color: var(--color-text-tertiary); transition: color var(--motion-duration-instant); }
.footer__col a:hover, .footer__contact a:hover { color: var(--color-text-secondary); text-decoration: underline; }
.footer__bottom { display: flex; justify-content: space-between; gap: var(--space-6); flex-wrap: wrap; margin-top: var(--space-9); padding-block: var(--space-7); border-top: 1px solid var(--color-surface-accent); font-size: var(--font-size-lg); color: var(--color-text-tertiary); }
.footer__social { display: flex; gap: var(--space-6); }
.footer__social a:hover { color: var(--color-text-secondary); }

/* ---------- 8. Drawers, search, toast ---------- */
.drawer { position: fixed; inset: 0; z-index: 300; background: var(--color-overlay); opacity: 0; transition: opacity var(--motion-duration-instant); }
.drawer.is-open { opacity: 1; }
.drawer__panel {
  position: absolute; top: 0; bottom: 0; width: min(420px, 88vw);
  background: var(--color-surface-muted); display: flex; flex-direction: column;
  transition: transform var(--motion-duration-instant) var(--motion-easing);
}
.drawer--left .drawer__panel { left: 0; transform: translateX(-100%); }
.drawer--right .drawer__panel { right: 0; transform: translateX(100%); }
.drawer.is-open .drawer__panel { transform: none; }
.drawer__head { display: flex; align-items: center; justify-content: space-between; padding: var(--space-5) var(--space-6); border-bottom: 1px solid var(--color-border-default); }
.drawer__title { font-size: var(--font-size-xl); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: .06em; }
.drawer__foot { margin-top: auto; padding: var(--space-6); border-top: 1px solid var(--color-border-default); display: grid; gap: var(--space-5); }
.m-nav { flex: 1; overflow-y: auto; }
.m-nav > li { border-bottom: 1px solid var(--color-border-default); }
.m-nav > li > a, .m-nav summary { display: flex; justify-content: space-between; align-items: center; min-height: 52px; padding: 0 var(--space-6); font-size: var(--font-size-body); font-weight: var(--font-weight-semibold); text-transform: uppercase; letter-spacing: .06em; list-style: none; cursor: pointer; }
.m-nav summary::-webkit-details-marker { display: none; }
.m-nav summary::after { content: "+"; font-size: var(--font-size-2xl); font-weight: var(--font-weight-base); }
.m-nav details[open] summary::after { content: "–"; }
.m-nav details ul { padding: 0 var(--space-6) var(--space-5) var(--space-7); }
.m-nav details a { display: block; padding: var(--space-3) 0; color: var(--color-text-tertiary); }
nav[aria-label="Menu di động"] { flex: 1; overflow-y: auto; }

.cart { flex: 1; overflow-y: auto; padding: var(--space-6); }
.cart__empty { display: grid; gap: var(--space-6); justify-items: center; text-align: center; padding-top: var(--space-9); color: var(--color-text-tertiary); }
.cart__list { display: grid; gap: var(--space-6); }
.cart__item { display: grid; grid-template-columns: 72px 1fr auto; gap: var(--space-5); align-items: start; }
.cart__thumb { aspect-ratio: 3 / 4; }
.cart__thumb img { width: 100%; height: 100%; object-fit: cover; }
.cart__name { font-weight: var(--font-weight-medium); }
.cart__meta { font-size: var(--font-size-lg); color: var(--color-text-tertiary); }
.cart__remove { font-size: var(--font-size-lg); text-decoration: underline; min-height: var(--tap-target); }
.cart__total { display: flex; justify-content: space-between; font-size: var(--font-size-xl); }

.search-overlay { position: fixed; inset: 0; z-index: 300; background: var(--color-overlay); }
.search-overlay__inner { background: var(--color-surface-muted); padding-block: var(--space-8); max-width: none; }
.search-form { display: flex; gap: var(--space-3); max-width: 860px; margin-inline: auto; }
.search-form input { font-size: var(--font-size-xl); }
.search-overlay__label { max-width: 860px; margin: var(--space-7) auto var(--space-3); font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps); }
.chips { display: flex; flex-wrap: wrap; gap: var(--space-3); max-width: 860px; margin-inline: auto; }
.chips a { display: inline-flex; align-items: center; min-height: 36px; padding: 0 var(--space-6); border: 1px solid var(--color-border-default); border-radius: var(--radius-pill); transition: border-color var(--motion-duration-instant); }
.chips a:hover { border-color: var(--color-border-strong); }

.toast {
  position: fixed; left: 50%; bottom: var(--space-7); z-index: 400; transform: translate(-50%, 20px);
  background: var(--color-action-primary); color: var(--color-text-inverse);
  padding: var(--space-5) var(--space-7); font-weight: var(--font-weight-semibold);
  opacity: 0; pointer-events: none; transition: opacity var(--motion-duration-instant), transform var(--motion-duration-instant);
  max-width: calc(100vw - 32px);
}
.toast.is-show { opacity: 1; transform: translate(-50%, 0); }
.back-top {
  position: fixed; right: var(--space-6); bottom: var(--space-6); z-index: 90;
  width: var(--tap-target); height: var(--tap-target); border-radius: var(--radius-circle);
  background: var(--color-surface-muted); border: 1px solid var(--color-border-default); box-shadow: var(--shadow-sm); font-size: var(--font-size-2xl);
}

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--motion-easing), transform .7s var(--motion-easing); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 9. Responsive ---------- */
@media (max-width: 1199px) {
  .carousel__track { grid-auto-columns: calc((100% - 2 * var(--space-6)) / 3); }
  .brand-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 1023px) {
  :root { --header-h: 56px; }
  .site-header__top { grid-template-columns: auto 1fr auto; }
  .logo__img { height: 46px; }
  .split { grid-template-columns: 1fr; }
  .split__item { aspect-ratio: 4 / 3; }
  .mosaic { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 220px; }
  .mosaic__item--wide { grid-column: span 2; }
  .fit__inner { grid-template-columns: 1fr; }
  .fit__media { min-height: 280px; }
  .fit__body { padding: var(--space-9) var(--gutter); }
  .services__list { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .newsletter__inner { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
  .section { padding-block: var(--space-9); }
  .hero__track { height: 78vh; min-height: 480px; }
  .hero__slide .media::after { background: linear-gradient(0deg, rgba(0,0,0,.6) 0%, rgba(0,0,0,.05) 70%); }
  .hero__content, .hero__content--right { justify-content: flex-end; align-items: flex-start; text-align: left; padding-bottom: 96px; }
  .hero__content--right .btn-group { justify-content: flex-start; }
  .hero__arrow { display: none; }
  .cat-strip { grid-template-columns: repeat(8, 84px); }
  .brand-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-grid a { min-height: 72px; font-size: var(--font-size-xl); }
  .carousel__track { grid-auto-columns: 46%; gap: var(--space-5); }
  .carousel__arrow { display: none; }
  .mosaic { grid-auto-rows: 180px; gap: var(--space-5); }
  .mosaic__label { margin: var(--space-3); padding: var(--space-3) var(--space-5); font-size: var(--font-size-xl); }
  .trio { grid-template-columns: 1fr; }
  .fit__form { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .services__list { grid-template-columns: 1fr 1fr; gap: var(--space-5); }
  .services__list li { flex-direction: column; text-align: center; }
  .footer__grid { grid-template-columns: 1fr; gap: 0; }
  .footer__col { border-bottom: 1px solid var(--color-surface-accent); }
  .footer__col summary { margin: 0; min-height: 52px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; }
  .footer__col summary::after { content: "+"; font-size: var(--font-size-2xl); }
  .footer__col[open] summary::after { content: "–"; }
  .footer__col ul { padding-bottom: var(--space-6); }
  .footer__brand { margin-bottom: var(--space-7); }
  .newsletter__form { grid-template-columns: 1fr; }
  .split__content { padding: var(--space-7); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ==========================================================================
   10. Trang Cửa hàng & Danh mục
   ========================================================================== */

/* Page hero + breadcrumb */
.page-hero { min-height: 280px; display: flex; align-items: flex-end; color: var(--color-text-inverse); }
.page-hero > img { position: absolute; inset: 0; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,10,14,.78) 0%, rgba(20,10,14,.45) 50%, rgba(20,10,14,.1) 100%); }
.page-hero__content { position: relative; z-index: 1; display: grid; gap: var(--space-5); padding-block: var(--space-9); text-shadow: 0 1px 12px rgba(0,0,0,.35); }
.page-hero__title { font-family: var(--font-family-display); font-size: var(--font-size-4xl); font-weight: var(--font-weight-medium); line-height: var(--line-height-tight); }
.page-hero__desc { font-size: var(--font-size-xl); max-width: 56ch; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: var(--space-3); list-style: none; margin: 0; padding: 0; font-size: var(--font-size-lg); }
.breadcrumb li + li::before { content: "/"; margin-right: var(--space-3); opacity: .7; }
.breadcrumb a { text-decoration: underline; text-underline-offset: 2px; }
.breadcrumb a:hover { color: var(--color-surface-accent); }

/* Danh mục nhanh (shop) */
.shop-cats { border-bottom: 1px solid var(--color-border-default); }
.shop-cats__list { display: flex; gap: var(--space-3); overflow-x: auto; padding-block: var(--space-6); scrollbar-width: none; }
.shop-cats__list::-webkit-scrollbar { display: none; }
.shop-cats__list a {
  display: inline-flex; align-items: center; gap: var(--space-3); min-height: var(--tap-target); padding: 0 var(--space-6); white-space: nowrap;
  border: 1px solid var(--color-border-default); border-radius: var(--radius-pill);
  font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); text-transform: uppercase; letter-spacing: .08em;
  transition: border-color var(--motion-duration-instant), background-color var(--motion-duration-instant);
}
.shop-cats__list a:hover { border-color: var(--color-border-strong); }
.shop-cats__list a[aria-current="page"] { background: var(--color-action-primary); color: var(--color-text-inverse); border-color: var(--color-action-primary); }
.shop-cats__list small { font-weight: var(--font-weight-base); opacity: .7; letter-spacing: 0; }

/* Danh mục con (category page) – thẻ ảnh cuộn ngang */
.subcats { display: grid; grid-auto-flow: column; grid-auto-columns: 148px; gap: var(--space-5); overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: var(--space-3); scrollbar-width: thin; }
.subcats > li { scroll-snap-align: start; }
.subcat { width: 100%; text-align: left; display: grid; border: 1px solid var(--color-border-default); background: var(--color-surface-muted); transition: border-color var(--motion-duration-instant), box-shadow var(--motion-duration-instant); }
.subcat:hover { border-color: var(--color-action-accent); box-shadow: var(--shadow-sm); }
.subcat:hover .media > img { transform: scale(1.04); }
.subcat[aria-pressed="true"] { border-color: var(--color-border-strong); box-shadow: inset 0 0 0 1px var(--color-border-strong); }
.subcat .media { aspect-ratio: 3 / 4; width: 100%; }
.subcat__text { display: grid; gap: var(--space-1); padding: var(--space-4) var(--space-4) var(--space-5); }
.subcat__name { font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); text-transform: uppercase; letter-spacing: .08em; }
.subcat__count { font-size: var(--font-size-md); color: var(--color-text-tertiary); }

/* Layout listing */
.shop { display: grid; gap: var(--space-7); padding-block: var(--space-7) var(--space-10); }

/* Filter & Sort drawer (mọi kích thước màn hình) */
.filters { position: fixed; inset: 0; z-index: 310; background: var(--color-overlay); opacity: 0; transition: opacity var(--motion-duration-instant); }
.filters.is-open { opacity: 1; }
.filters__panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(400px, 100vw);
  display: flex; flex-direction: column; background: var(--color-surface-muted); box-shadow: var(--shadow-lg);
  transform: translateX(100%); transition: transform var(--motion-duration-instant) var(--motion-easing);
}
.filters.is-open .filters__panel { transform: none; }
.filters__head { display: flex; justify-content: space-between; align-items: center; min-height: 64px; padding: 0 var(--space-3) 0 var(--space-6); border-bottom: 1px solid var(--color-border-default); }
.filters__title { font-size: var(--font-size-2xl); font-weight: var(--font-weight-semibold); letter-spacing: .01em; }
.filters__body { flex: 1; overflow-y: auto; overscroll-behavior: contain; padding: 0 var(--space-6); }
.filters__foot { display: grid; gap: var(--space-5); justify-items: center; padding: var(--space-6); border-top: 1px solid var(--color-border-default); box-shadow: 0 -6px 16px rgba(34, 29, 29, .05); }
.filters__status { justify-self: start; font-size: var(--font-size-lg); color: var(--color-text-tertiary); }
.btn--accent { background: var(--color-action-accent); color: var(--color-text-inverse); min-height: 52px; font-size: var(--font-size-body); }
.btn--accent:hover { background: var(--color-action-accent-hover); }
.f-radio { display: flex; align-items: center; gap: var(--space-4); min-height: 40px; cursor: pointer; font-size: var(--font-size-body); }
.f-radio input { width: 18px; height: 18px; margin: 0; accent-color: var(--color-action-primary); cursor: pointer; }
.f-radio:hover span { color: var(--color-text-secondary); }
.f-group__current { margin-left: auto; margin-right: var(--space-3); font-size: var(--font-size-lg); font-weight: var(--font-weight-base); text-transform: none; letter-spacing: 0; color: var(--color-text-tertiary); }
.f-group { border-bottom: 1px solid var(--color-border-default); }
.f-group summary {
  display: flex; justify-content: space-between; align-items: center; min-height: 56px; cursor: pointer; list-style: none;
  font-size: var(--font-size-xl); font-weight: var(--font-weight-semibold);
}
.f-group summary:hover { color: var(--color-text-secondary); }
.f-group summary::-webkit-details-marker { display: none; }
.f-group summary::after { content: "+"; font-size: var(--font-size-3xl); font-weight: var(--font-weight-base); line-height: 1; }
.f-group[open] summary::after { content: "–"; }
.f-group summary .f-badge { margin-left: auto; margin-right: var(--space-3); }
.f-group__body { padding-bottom: var(--space-6); }
.f-list { display: grid; gap: var(--space-1); }
.f-check { display: flex; align-items: center; gap: var(--space-4); min-height: 36px; cursor: pointer; font-size: var(--font-size-body); }
.f-check input { width: 18px; height: 18px; margin: 0; accent-color: var(--color-action-primary); cursor: pointer; flex: none; }
.f-check__count { margin-left: auto; color: var(--color-text-tertiary); font-size: var(--font-size-lg); font-variant-numeric: tabular-nums; }
.f-check:hover .f-check__label { color: var(--color-text-secondary); }
.f-check.is-disabled { opacity: .4; cursor: not-allowed; }
.f-check.is-disabled input { cursor: not-allowed; }
.f-sizes { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
.f-pill { position: relative; }
.f-pill input, .f-swatch input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.f-pill span {
  display: flex; align-items: center; justify-content: center; min-height: 40px;
  border: 1px solid var(--color-border-default); font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold);
  transition: border-color var(--motion-duration-instant), background-color var(--motion-duration-instant);
}
.f-pill:hover span { border-color: var(--color-border-strong); }
.f-pill input:checked + span { background: var(--color-action-primary); border-color: var(--color-action-primary); color: var(--color-text-inverse); }
.f-pill input:focus-visible + span, .f-swatch input:focus-visible + span { outline: 2px solid var(--color-focus-ring); outline-offset: 2px; }
.f-pill input:disabled + span { opacity: .35; text-decoration: line-through; cursor: not-allowed; }
.f-swatches { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
.f-swatch { position: relative; display: flex; align-items: center; gap: var(--space-3); min-height: 36px; font-size: var(--font-size-body); }
.f-swatch span { width: 24px; height: 24px; flex: none; border-radius: var(--radius-circle); border: 1px solid var(--color-border-default); }
.f-swatch input:checked + span { box-shadow: 0 0 0 2px var(--color-surface-muted), 0 0 0 4px var(--color-border-strong); }
.f-swatch input:disabled + span, .f-swatch input:disabled ~ em { opacity: .35; }
.f-swatch em { font-style: normal; }
.f-badge { display: inline-flex; align-items: center; justify-content: center; min-width: 20px; height: 20px; padding: 0 var(--space-2); border-radius: var(--radius-pill); background: var(--color-action-accent); color: var(--color-text-inverse); font-size: var(--font-size-sm); font-weight: var(--font-weight-bold); letter-spacing: 0; }
.f-badge:empty { display: none; }

/* Toolbar */
.shop__toolbar { display: flex; align-items: center; gap: var(--space-5); flex-wrap: wrap; }
.filter-btn {
  display: inline-flex; align-items: center; gap: var(--space-3); min-height: var(--tap-target); padding: 0 var(--space-6);
  background: var(--color-surface-soft); border: 1px solid var(--color-surface-accent); border-radius: var(--radius-pill);
  font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold);
  transition: background-color var(--motion-duration-instant), border-color var(--motion-duration-instant);
}
.filter-btn:hover { background: var(--color-surface-accent); border-color: var(--color-action-accent); }
.filter-btn svg { width: 18px; height: 18px; }
.filter-btn__total { font-weight: var(--font-weight-base); color: var(--color-text-tertiary); font-variant-numeric: tabular-nums; }
.shop__count { margin-left: auto; color: var(--color-text-tertiary); font-size: var(--font-size-lg); font-variant-numeric: tabular-nums; }
.shop__count strong { color: var(--color-text-primary); }
.btn--outline { border-color: var(--color-border-strong); color: var(--color-text-primary); }
.btn--outline:hover { background: var(--color-action-primary); color: var(--color-text-inverse); }

/* Active chips */
.active-filters { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.active-filters:empty { display: none; }
.chip-remove {
  display: inline-flex; align-items: center; gap: var(--space-3); min-height: 36px; padding: 0 var(--space-5);
  background: var(--color-surface-soft); border-radius: var(--radius-pill); font-size: var(--font-size-lg);
  transition: background-color var(--motion-duration-instant);
}
.chip-remove:hover { background: var(--color-surface-accent); }
.chip-remove::after { content: "×"; font-size: var(--font-size-2xl); line-height: 1; }
.chip-clear { min-height: 36px; padding: 0 var(--space-3); font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); text-decoration: underline; text-underline-offset: 3px; }
.chip-clear:hover { color: var(--color-text-secondary); }

/* Grid */
.shop-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-8) var(--space-5); }
.shop-grid .product-card.is-new-row { animation: fadeIn var(--motion-duration-slow) var(--motion-easing) both; }
.shop-empty { grid-column: 1 / -1; display: grid; gap: var(--space-5); justify-items: center; text-align: center; padding: var(--space-10) var(--space-6); border: 1px dashed var(--color-border-default); }
.shop-empty__title { font-family: var(--font-family-display); font-size: var(--font-size-3xl); }
.shop-empty p { color: var(--color-text-tertiary); max-width: 44ch; }

/* Load more */
.shop__more { display: grid; gap: var(--space-5); justify-items: center; padding-top: var(--space-6); text-align: center; }
.shop__more[hidden] { display: none; }
.shop__progress-text { font-size: var(--font-size-lg); color: var(--color-text-tertiary); font-variant-numeric: tabular-nums; }
.progress { width: 220px; height: 2px; background: var(--color-border-default); }
.progress span { display: block; height: 100%; background: var(--color-action-primary); transition: width var(--motion-duration-slow) var(--motion-easing); }

/* SEO content + FAQ (category) */
.cat-content { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: var(--space-9); padding-block: var(--space-10); border-top: 1px solid var(--color-border-default); }
.prose { display: grid; gap: var(--space-5); max-width: 68ch; }
.prose h2 { font-family: var(--font-family-display); font-size: var(--font-size-3xl); font-weight: var(--font-weight-medium); line-height: var(--line-height-tight); }
.prose h3 { font-size: var(--font-size-xl); font-weight: var(--font-weight-bold); margin-top: var(--space-3); }
.prose ul { list-style: disc; padding-left: var(--space-7); display: grid; gap: var(--space-2); }
.prose table { width: 100%; border-collapse: collapse; font-size: var(--font-size-lg); font-variant-numeric: tabular-nums; }
.prose th, .prose td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border-default); text-align: left; }
.prose th { background: var(--color-surface-soft); font-weight: var(--font-weight-semibold); }
.table-wrap { overflow-x: auto; }
.prose__more { position: relative; max-height: 360px; overflow: hidden; }
.prose__more::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 120px; background: linear-gradient(transparent, var(--color-surface-muted)); pointer-events: none; }
.prose__more.is-expanded { max-height: none; }
.prose__more.is-expanded::after { display: none; }
.faq__title { font-family: var(--font-family-display); font-size: var(--font-size-3xl); font-weight: var(--font-weight-medium); margin-bottom: var(--space-5); }
.faq details { border-bottom: 1px solid var(--color-border-default); }
.faq summary { display: flex; justify-content: space-between; gap: var(--space-5); align-items: center; min-height: 56px; padding-block: var(--space-4); cursor: pointer; list-style: none; font-weight: var(--font-weight-semibold); font-size: var(--font-size-body); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: var(--font-size-2xl); font-weight: var(--font-weight-base); flex: none; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding-bottom: var(--space-6); color: var(--color-text-tertiary); }

/* Responsive shop */
@media (max-width: 1199px) { .shop-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 1023px) { .cat-content { grid-template-columns: 1fr; } }
@media (max-width: 767px) {
  .page-hero { min-height: 220px; }
  .shop-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-7) var(--space-5); }
  .shop__count { width: 100%; margin-left: 0; order: 3; }
  .subcats { grid-auto-columns: 120px; gap: var(--space-3); }
  .filters__panel { width: 100vw; }
}

/* Template danh mục dùng chung */
.archive-cards { padding-top: var(--space-8); }
a.subcat { color: inherit; }

/* ==========================================================================
   11. Trang Chi tiết sản phẩm
   ========================================================================== */
.breadcrumb--dark { padding-block: var(--space-6); color: var(--color-text-tertiary); }
.breadcrumb--dark a:hover { color: var(--color-text-secondary); }
.breadcrumb--dark li[aria-current] { color: var(--color-text-primary); max-width: 40ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.pdp__top { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); gap: var(--space-9); align-items: start; padding-bottom: var(--space-9); }

/* Stars */
.stars { position: relative; display: inline-flex; line-height: 0; vertical-align: middle; }
.stars svg { width: 14px; height: 14px; stroke: none; }
.stars__base svg { fill: var(--color-border-default); }
.stars__fill { position: absolute; inset: 0 auto 0 0; overflow: hidden; white-space: nowrap; }
.stars__fill svg { fill: var(--color-text-primary); flex: none; }
.stars__base, .stars__fill { display: inline-flex; gap: 1px; }
.stars--lg svg { width: 20px; height: 20px; }

/* Gallery */
.pdp-gallery { position: relative; min-width: 0; }
.pdp-gallery__track { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.pdp-gallery__item { aspect-ratio: 3 / 4; }
.pdp-gallery__zoom { display: block; width: 100%; height: 100%; cursor: zoom-in; }
.pdp-gallery__zoom img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--motion-duration-slow) var(--motion-easing); }
.pdp-gallery__zoom:hover img { transform: scale(1.03); }
.pdp-gallery__counter { display: none; }

/* Info */
.pdp-info { position: sticky; top: calc(var(--header-h) + 64px); display: grid; gap: var(--space-6); min-width: 0; }
.pdp-info__brand { font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps); color: var(--color-text-tertiary); }
.pdp-info__title { font-family: var(--font-family-display); font-size: var(--font-size-3xl); font-weight: var(--font-weight-medium); line-height: 1.25; text-wrap: balance; margin-top: calc(-1 * var(--space-4)); }
.pdp-info__meta { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); flex-wrap: wrap; margin-top: calc(-1 * var(--space-3)); }
.pdp-rating { display: inline-flex; align-items: center; gap: var(--space-3); font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); }
.pdp-rating__count { font-weight: var(--font-weight-base); text-decoration: underline; text-underline-offset: 3px; color: var(--color-text-tertiary); }
.pdp-rating:hover .pdp-rating__count { color: var(--color-text-secondary); }
.pdp-info__sku { font-size: var(--font-size-md); color: var(--color-text-tertiary); font-variant-numeric: tabular-nums; }
.pdp-social { display: inline-flex; align-items: center; gap: var(--space-3); justify-self: start; padding: var(--space-2) var(--space-5); background: var(--color-surface-soft); font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); }
.pdp-social svg { width: 16px; height: 16px; color: var(--color-text-secondary); }
.pdp-price { display: flex; align-items: baseline; gap: var(--space-4); flex-wrap: wrap; font-variant-numeric: tabular-nums; }
.pdp-price__now { font-size: var(--font-size-3xl); font-weight: var(--font-weight-bold); }
.pdp-price__now--sale { color: var(--color-text-secondary); }
.pdp-price__old { color: var(--color-text-tertiary); font-size: var(--font-size-xl); }
.pdp-price__off { padding: var(--space-1) var(--space-3); background: var(--color-action-accent); color: var(--color-text-inverse); font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); }

/* Options */
.pdp-form { display: grid; gap: var(--space-7); padding-top: var(--space-6); border-top: 1px solid var(--color-border-default); }
.pdp-opt { border: 0; margin: 0; padding: 0; display: grid; gap: var(--space-5); min-width: 0; }
.pdp-opt__label { padding: 0; font-size: var(--font-size-lg); color: var(--color-text-tertiary); }
.pdp-opt__label strong { color: var(--color-text-primary); font-weight: var(--font-weight-semibold); }
.pdp-swatches { display: flex; flex-wrap: wrap; gap: var(--space-5); }
.pdp-swatch { position: relative; width: 36px; height: 36px; border-radius: var(--radius-circle); background: var(--sw); border: 1px solid var(--color-border-default); transition: box-shadow var(--motion-duration-instant); }
.pdp-swatch::before { content: ""; position: absolute; inset: -6px; }
.pdp-swatch:hover { box-shadow: 0 0 0 2px var(--color-surface-muted), 0 0 0 3px var(--color-border-default); }
.pdp-swatch[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--color-surface-muted), 0 0 0 4px var(--color-border-strong); }
.pdp-swatches--sm .pdp-swatch { width: 28px; height: 28px; }
.pdp-sizes { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--space-3); }
.pdp-size {
  min-height: var(--tap-target); border: 1px solid var(--color-border-default); font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold);
  transition: border-color var(--motion-duration-instant), background-color var(--motion-duration-instant);
}
.pdp-size:hover { border-color: var(--color-border-strong); }
.pdp-size[aria-pressed="true"] { background: var(--color-action-primary); border-color: var(--color-action-primary); color: var(--color-text-inverse); }
.pdp-size[aria-disabled="true"] { color: var(--color-text-tertiary); background: linear-gradient(to top right, transparent calc(50% - .5px), var(--color-border-default) 50%, transparent calc(50% + .5px)); cursor: not-allowed; }
.pdp-sizes[aria-invalid="true"] .pdp-size:not([aria-disabled="true"]) { border-color: var(--color-text-error); }
.pdp-sizes--sm { grid-template-columns: repeat(auto-fill, minmax(52px, 1fr)); }
.pdp-stock { font-size: var(--font-size-lg); min-height: 1.4em; }
.pdp-stock.is-ok { color: var(--color-text-success); }
.pdp-stock.is-low, .pdp-stock.is-out { color: var(--color-text-secondary); font-weight: var(--font-weight-semibold); }
.pdp-link { display: inline-flex; align-items: center; gap: var(--space-3); justify-self: start; min-height: 32px; font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); text-decoration: underline; text-underline-offset: 3px; }
.pdp-link svg { width: 18px; height: 18px; }
.pdp-link:hover { color: var(--color-text-secondary); }

.pdp-buy { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: var(--space-3); }
.pdp-qty {
  min-height: 52px; padding: 0 var(--space-7) 0 var(--space-5); font: inherit; color: var(--color-text-primary);
  border: 1px solid var(--color-border-strong); border-radius: var(--radius-none); background: var(--color-surface-muted);
  appearance: none; background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 16px) 50%, calc(100% - 11px) 50%; background-size: 5px 5px; background-repeat: no-repeat; cursor: pointer;
}
.pdp-qty:focus-visible { outline: 2px solid var(--color-focus-ring); outline-offset: 2px; }
select.pdp-qty[data-rv-sort], .field select.pdp-qty { min-height: var(--tap-target); }
.pdp-add { min-height: 52px; }

.pdp-perks { display: grid; gap: var(--space-4); padding: var(--space-6); background: var(--color-surface-soft); }
.pdp-perks li { display: flex; gap: var(--space-5); align-items: center; font-size: var(--font-size-lg); }
.pdp-perks svg { flex: none; color: var(--color-text-secondary); }
.pdp-section-label { font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps); }
.pdp-about { display: grid; gap: var(--space-4); }
.pdp-about__text { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; color: var(--color-text-tertiary); }
.pdp-about__text.is-expanded { display: block; }
.pdp-acc { border-top: 1px solid var(--color-border-default); }
.pdp-acc:last-of-type { border-bottom: 1px solid var(--color-border-default); }
.pdp-acc summary { display: flex; justify-content: space-between; align-items: center; min-height: 52px; cursor: pointer; list-style: none; font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps); }
.pdp-acc summary::-webkit-details-marker { display: none; }
.pdp-acc summary::after { content: "+"; font-size: var(--font-size-2xl); font-weight: var(--font-weight-base); }
.pdp-acc[open] summary::after { content: "–"; }
.pdp-acc__body { display: grid; gap: var(--space-3); padding-bottom: var(--space-6); color: var(--color-text-tertiary); }
.pdp-acc__body ul { list-style: disc; padding-left: var(--space-7); display: grid; gap: var(--space-2); }

/* Quick buy rows */
.quickbuy-list { display: grid; gap: var(--space-6); }
.quickbuy { display: grid; grid-template-columns: 160px minmax(0, 1fr) minmax(0, 1.2fr); gap: var(--space-7); padding: var(--space-6); background: var(--color-surface-muted); align-items: start; }
.quickbuy__media { aspect-ratio: 3 / 4; display: block; }
.quickbuy__media img { width: 100%; height: 100%; object-fit: cover; }
.quickbuy__info { display: grid; gap: var(--space-3); align-content: start; }
.quickbuy__name { font-size: var(--font-size-xl); font-weight: var(--font-weight-semibold); line-height: 1.35; }
.quickbuy__name a:hover { text-decoration: underline; }
.quickbuy__desc { color: var(--color-text-tertiary); }
.quickbuy__price .pdp-price__now { font-size: var(--font-size-xl); }
.quickbuy__price { display: flex; gap: var(--space-3); align-items: baseline; flex-wrap: wrap; }
.quickbuy__price .pdp-price__old { font-size: var(--font-size-lg); }
.quickbuy__price .pdp-price__off { display: none; }
.quickbuy__opts { display: grid; gap: var(--space-4); align-content: start; }
.quickbuy__opts .btn { justify-self: stretch; }

/* Reviews */
.rv-summary { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1fr) minmax(0, 1.3fr); gap: var(--space-9); padding: var(--space-8); background: var(--color-surface-soft); align-items: start; }
.rv-summary__title { font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps); }
.rv-score { display: grid; gap: var(--space-4); justify-items: start; }
.rv-score__num { font-family: var(--font-family-display); font-size: clamp(40px, 5vw, 56px); line-height: 1; font-variant-numeric: tabular-nums; }
.rv-score__num small { font-family: var(--font-family-primary); font-size: var(--font-size-xl); color: var(--color-text-tertiary); }
.rv-score__count { color: var(--color-text-tertiary); font-size: var(--font-size-lg); }
.rv-bars { display: grid; gap: var(--space-4); }
.rv-bars li { display: grid; grid-template-columns: 44px 1fr 40px; gap: var(--space-4); align-items: center; font-size: var(--font-size-lg); font-variant-numeric: tabular-nums; }
.rv-bars__track { height: 6px; background: var(--color-surface-muted); }
.rv-bars__track span { display: block; height: 100%; background: var(--color-action-accent); }
.rv-bars__pct { text-align: right; color: var(--color-text-tertiary); }
.rv-fit { display: grid; gap: var(--space-5); }
.rv-fit__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); margin: 0; }
.rv-fit__grid div { display: grid; gap: var(--space-1); }
.rv-fit__grid dt { font-size: var(--font-size-lg); color: var(--color-text-tertiary); }
.rv-fit__grid dd { margin: 0; font-weight: var(--font-weight-semibold); }
.rv-fit__text { color: var(--color-text-tertiary); }
.rv-fit__note { font-size: var(--font-size-md); color: var(--color-text-tertiary); font-style: italic; }
.rv-photos { display: grid; gap: var(--space-5); padding-block: var(--space-8) var(--space-6); }
.rv-photos__list { display: grid; grid-auto-flow: column; grid-auto-columns: 112px; gap: var(--space-3); overflow-x: auto; scrollbar-width: thin; padding-bottom: var(--space-2); }
.rv-photos__list button { display: block; width: 100%; aspect-ratio: 1; cursor: zoom-in; }
.rv-photos__list img { width: 100%; height: 100%; object-fit: cover; }
.rv-toolbar { display: flex; justify-content: space-between; align-items: center; gap: var(--space-5); flex-wrap: wrap; padding-block: var(--space-5); border-block: 1px solid var(--color-border-default); }
.rv-filter { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.rv-filter button { display: inline-flex; align-items: center; gap: var(--space-2); min-height: 36px; padding: 0 var(--space-5); border: 1px solid var(--color-border-default); border-radius: var(--radius-pill); font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); transition: border-color var(--motion-duration-instant); }
.rv-filter button svg { width: 12px; height: 12px; fill: currentColor; stroke: none; }
.rv-filter button:hover { border-color: var(--color-border-strong); }
.rv-filter button[aria-pressed="true"] { background: var(--color-action-primary); border-color: var(--color-action-primary); color: var(--color-text-inverse); }
.rv-list { display: grid; }
.rv-item { display: grid; grid-template-columns: 180px minmax(0, 1fr) auto; gap: var(--space-7); padding-block: var(--space-7); border-bottom: 1px solid var(--color-border-default); }
.rv-item__name { font-weight: var(--font-weight-semibold); }
.rv-item__date { font-size: var(--font-size-lg); color: var(--color-text-tertiary); font-variant-numeric: tabular-nums; }
.rv-item__verified { display: inline-flex; align-items: center; gap: var(--space-2); margin-top: var(--space-3); font-size: var(--font-size-md); color: var(--color-text-success); font-weight: var(--font-weight-semibold); }
.rv-item__verified svg { width: 14px; height: 14px; }
.rv-item__body { display: grid; gap: var(--space-4); justify-items: start; max-width: 68ch; }
.rv-item__title { font-size: var(--font-size-xl); font-weight: var(--font-weight-semibold); }
.rv-item__tags { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.rv-item__tags li { padding: var(--space-2) var(--space-4); background: var(--color-surface-soft); font-size: var(--font-size-md); }
.rv-item__photo { width: 88px; aspect-ratio: 1; cursor: zoom-in; }
.rv-item__photo img { width: 100%; height: 100%; object-fit: cover; }
.rv-helpful { display: inline-flex; align-items: center; gap: var(--space-3); min-height: 36px; padding: 0 var(--space-4); border: 1px solid var(--color-border-default); font-size: var(--font-size-lg); white-space: nowrap; font-variant-numeric: tabular-nums; }
.rv-helpful svg { width: 16px; height: 16px; }
.rv-helpful:hover { border-color: var(--color-border-strong); }
.rv-helpful[aria-pressed="true"] { border-color: var(--color-action-accent); color: var(--color-text-secondary); }
.rv-empty { padding: var(--space-9) 0; text-align: center; color: var(--color-text-tertiary); }

/* Modal + lightbox */
.modal { position: fixed; inset: 0; z-index: 320; display: grid; place-items: center; padding: var(--space-6); background: var(--color-overlay); opacity: 0; transition: opacity var(--motion-duration-instant); }
.modal.is-open { opacity: 1; }
.modal__panel { width: min(560px, 100%); max-height: calc(100vh - 32px); overflow-y: auto; background: var(--color-surface-muted); box-shadow: var(--shadow-lg); transform: translateY(12px); transition: transform var(--motion-duration-instant) var(--motion-easing); }
.modal.is-open .modal__panel { transform: none; }
.modal__head { display: flex; justify-content: space-between; align-items: center; gap: var(--space-5); padding: var(--space-3) var(--space-3) var(--space-3) var(--space-7); border-bottom: 1px solid var(--color-border-default); position: sticky; top: 0; background: var(--color-surface-muted); }
.modal__title { font-family: var(--font-family-display); font-size: var(--font-size-2xl); font-weight: var(--font-weight-medium); }
.modal__body { padding: var(--space-7); display: grid; gap: var(--space-6); }
.rv-form__stars { border: 0; margin: 0; padding: 0; display: flex; flex-direction: row-reverse; justify-content: flex-end; gap: var(--space-2); }
.rv-form__stars legend { float: left; width: 100%; margin-bottom: var(--space-3); font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); }
.rv-form__stars label { position: relative; cursor: pointer; }
.rv-form__stars input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.rv-form__stars svg { width: 32px; height: 32px; fill: var(--color-border-default); stroke: none; transition: fill var(--motion-duration-instant); }
.rv-form__stars label:hover svg, .rv-form__stars label:hover ~ label svg,
.rv-form__stars input:checked + span + svg, .rv-form__stars label:has(input:checked) ~ label svg { fill: var(--color-action-accent); }
.rv-form__stars input:focus-visible ~ svg { outline: 2px solid var(--color-focus-ring); outline-offset: 2px; }
.field textarea { width: 100%; padding: var(--space-4) var(--space-5); font: inherit; color: var(--color-text-primary); border: 1px solid var(--color-border-strong); border-radius: var(--radius-none); resize: vertical; }
.field textarea:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--color-focus-ring); }
.field textarea[aria-invalid="true"] { border-color: var(--color-text-error); }

.lightbox { position: fixed; inset: 0; z-index: 330; display: grid; place-items: center; background: rgba(20, 10, 14, .92); opacity: 0; transition: opacity var(--motion-duration-instant); }
.lightbox.is-open { opacity: 1; }
.lightbox__img { max-width: min(92vw, 900px); max-height: 88vh; object-fit: contain; background: var(--color-surface-muted); }
.lightbox__close { position: absolute; top: max(var(--space-5), env(safe-area-inset-top, 0px)); right: max(var(--space-5), env(safe-area-inset-right, 0px)); color: var(--color-text-inverse); }
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; border-radius: var(--radius-circle); background: rgba(255, 255, 255, .15); color: var(--color-text-inverse); font-size: var(--font-size-3xl); }
.lightbox__nav:hover { background: rgba(255, 255, 255, .3); }
.lightbox__nav--prev { left: max(var(--space-6), env(safe-area-inset-left, 0px)); }
.lightbox__nav--next { right: max(var(--space-6), env(safe-area-inset-right, 0px)); }

/* Sticky add-to-cart (mobile) */
.pdp-sticky { display: none; }
@media (max-width: 1023px) {
  .pdp-sticky {
    display: flex; align-items: center; gap: var(--space-5); position: fixed; left: 0; right: 0; bottom: 0; z-index: 95;
    padding: var(--space-4) max(16px, env(safe-area-inset-right, 0px)) calc(var(--space-4) + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
    background: var(--color-surface-muted); box-shadow: 0 -6px 20px rgba(34, 29, 29, .12);
    transform: translateY(110%); transition: transform var(--motion-duration-instant) var(--motion-easing);
  }
  .pdp-sticky.is-visible { transform: none; }
  .pdp-sticky__info { min-width: 0; flex: 1; }
  .pdp-sticky__name { font-weight: var(--font-weight-semibold); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .pdp-sticky__price { display: flex; gap: var(--space-3); align-items: baseline; }
  .pdp-sticky__price .pdp-price__now { font-size: var(--font-size-xl); }
  .pdp-sticky__price .pdp-price__old, .pdp-sticky__price .pdp-price__off { display: none; }
  .pdp .back-top, body:has(.pdp) .back-top { bottom: 84px; }
}

/* Responsive PDP */
@media (max-width: 1199px) {
  .pdp__top { gap: var(--space-8); }
  .rv-summary { grid-template-columns: 1fr 1fr; }
  .rv-fit { grid-column: 1 / -1; }
  .quickbuy { grid-template-columns: 140px minmax(0, 1fr); }
  .quickbuy__opts { grid-column: 2; }
}
@media (max-width: 1023px) {
  .pdp__top { grid-template-columns: 1fr; gap: var(--space-7); }
  .pdp-info { position: static; }
  .pdp-gallery { margin-inline: calc(-1 * var(--gutter)); }
  .pdp-gallery__track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; gap: 0; }
  .pdp-gallery__track::-webkit-scrollbar { display: none; }
  .pdp-gallery__item { flex: 0 0 100%; scroll-snap-align: start; max-height: 78vh; }
  .pdp-gallery__counter { display: block; position: absolute; right: var(--space-6); bottom: var(--space-6); padding: var(--space-2) var(--space-4); background: rgba(255, 255, 255, .9); font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); font-variant-numeric: tabular-nums; }
}
@media (max-width: 767px) {
  .breadcrumb--dark li[aria-current] { max-width: 16ch; }
  .pdp-sizes { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .rv-summary { grid-template-columns: 1fr; gap: var(--space-7); padding: var(--space-7) var(--space-6); }
  .rv-fit__grid { grid-template-columns: 1fr 1fr 1fr; }
  .rv-item { grid-template-columns: 1fr; gap: var(--space-4); }
  .rv-item__aside { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5); align-items: baseline; }
  .rv-item__verified { margin-top: 0; }
  .quickbuy { grid-template-columns: 96px minmax(0, 1fr); gap: var(--space-5); padding: var(--space-5); }
  .quickbuy__opts { grid-column: 1 / -1; }
  .quickbuy__desc { display: none; }
  .modal { padding: 0; place-items: end stretch; }
  .modal__panel { width: 100%; max-height: 90vh; }
}

/* ==========================================================================
   12. Trang nội dung: Chính sách, Tin tức, Chi tiết tin tức
   ========================================================================== */
.page-head { background: var(--color-surface-soft); border-bottom: 1px solid var(--color-surface-accent); }
.page-head__inner { display: grid; gap: var(--space-4); padding-block: var(--space-8) var(--space-9); }
.page-head .breadcrumb { color: var(--color-text-tertiary); }
.page-head__title { font-family: var(--font-family-display); font-size: var(--font-size-4xl); font-weight: var(--font-weight-medium); line-height: var(--line-height-tight); text-wrap: balance; }
.page-head__title:focus { outline: none; }
.page-head__desc { color: var(--color-text-tertiary); max-width: 64ch; font-size: var(--font-size-xl); }
.page-head__meta { font-size: var(--font-size-lg); color: var(--color-text-tertiary); }

/* Nội dung WordPress (classic editor) – dùng cho chính sách & bài viết */
.entry-content { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-6); font-size: 15px; line-height: 1.75; color: var(--color-text-primary); min-width: 0; }
.entry-content > * { margin: 0; max-width: 72ch; }
.entry-content h2 { font-family: var(--font-family-display); font-size: var(--font-size-3xl); font-weight: var(--font-weight-medium); line-height: 1.3; margin-top: var(--space-7); scroll-margin-top: calc(var(--header-h) + 72px); }
.entry-content h2 strong { font-weight: inherit; }
.entry-content h3 { font-size: var(--font-size-2xl); font-weight: var(--font-weight-semibold); line-height: 1.4; margin-top: var(--space-3); }
.entry-content p strong, .entry-content li strong { font-weight: var(--font-weight-semibold); }
.entry-content a { color: var(--color-text-secondary); text-decoration: underline; text-underline-offset: 3px; }
.entry-content a:hover { color: var(--color-action-accent-hover); }
.entry-content ul, .entry-content ol { padding-left: var(--space-7); display: grid; gap: var(--space-3); }
.entry-content ul { list-style: none; padding-left: 0; }
.entry-content ul li { position: relative; padding-left: var(--space-7); }
.entry-content ul li::before { content: ""; position: absolute; left: var(--space-3); top: .72em; width: 6px; height: 6px; border-radius: var(--radius-circle); background: var(--color-action-accent); }
.entry-content table { width: 100%; border-collapse: collapse; font-size: var(--font-size-body); line-height: 1.6; }
.entry-content th, .entry-content td { padding: var(--space-5); border: 1px solid var(--color-border-default); text-align: left; vertical-align: top; }
.entry-content thead th { background: var(--color-surface-accent); font-weight: var(--font-weight-semibold); }
.entry-content tbody tr:nth-child(even) td { background: var(--color-surface-soft); }
.entry-content td { white-space: pre-line; }
.entry-content .table-wrap, .entry-content .wp-table { max-width: none; overflow-x: auto; }
.entry-content .wp-table table { min-width: 560px; }
.entry-content figure, .entry-content .wp-caption { max-width: 100% !important; width: auto !important; margin: 0; display: grid; gap: var(--space-3); }
.entry-content .aligncenter { justify-self: center; text-align: center; }
.entry-content figure img { width: 100%; height: auto; }
.entry-content .wp-caption-text { font-size: var(--font-size-lg); color: var(--color-text-tertiary); font-style: italic; }
.entry-content blockquote { margin: 0; padding: var(--space-6) var(--space-7); background: var(--color-surface-soft); font-family: var(--font-family-display); font-size: var(--font-size-2xl); line-height: 1.5; }
.callout { display: grid; gap: var(--space-3); padding: var(--space-6) var(--space-7); background: var(--color-surface-soft); border: 1px solid var(--color-surface-accent); }
.callout__title { font-weight: var(--font-weight-bold); }

/* Khung liên hệ cuối bài (tablepress) */
.entry-content .tablepress { max-width: 72ch; width: 100%; table-layout: fixed; }
.entry-content .tablepress th { overflow-wrap: anywhere; }
.entry-content .tablepress th { background: var(--color-surface-soft); font-weight: var(--font-weight-base); line-height: 1.9; padding: var(--space-7); white-space: normal; }
.entry-content .tablepress img { height: 56px; width: auto; margin-bottom: var(--space-4); }
.entry-content .tablepress b { font-weight: var(--font-weight-semibold); }

/* Chính sách */
.policy { display: grid; grid-template-columns: 240px minmax(0, 1fr) 220px; gap: var(--space-9); padding-block: var(--space-9) var(--space-10); align-items: start; }
.policy-nav, .toc { position: sticky; top: calc(var(--header-h) + 72px); display: grid; gap: var(--space-4); }
.policy-nav__title, .toc__title { font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps); }
.policy-nav ul { display: grid; border-left: 1px solid var(--color-border-default); }
.policy-nav ul a { display: block; padding: var(--space-4) var(--space-6); margin-left: -1px; border-left: 2px solid transparent; font-size: var(--font-size-body); color: var(--color-text-tertiary); transition: color var(--motion-duration-instant), border-color var(--motion-duration-instant); }
.policy-nav ul a:hover { color: var(--color-text-primary); }
.policy-nav ul a[aria-current="page"] { border-left-color: var(--color-action-accent); color: var(--color-text-primary); font-weight: var(--font-weight-semibold); }
.policy-help { display: grid; gap: var(--space-3); margin-top: var(--space-6); padding: var(--space-6); background: var(--color-surface-soft); font-size: var(--font-size-lg); }
.policy-help strong { font-size: var(--font-size-body); }
.policy-help a { text-decoration: underline; text-underline-offset: 3px; }
.policy-select { display: none; }
.toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-1); border-left: 1px solid var(--color-border-default); counter-reset: toc; }
.toc a { display: block; padding: var(--space-3) var(--space-5); margin-left: -1px; border-left: 2px solid transparent; font-size: var(--font-size-lg); line-height: 1.45; color: var(--color-text-tertiary); }
.toc a:hover { color: var(--color-text-primary); }
.toc a[aria-current="true"] { color: var(--color-text-secondary); border-left-color: var(--color-action-accent); font-weight: var(--font-weight-semibold); }
.steps { counter-reset: step; display: grid; gap: var(--space-5); list-style: none; padding: 0 !important; }
.steps li { counter-increment: step; position: relative; padding: 0 0 0 52px !important; min-height: 36px; }
.steps li::before { content: counter(step) !important; position: absolute; left: 0 !important; top: 0 !important; width: 36px !important; height: 36px !important; border-radius: var(--radius-circle) !important; background: var(--color-action-primary) !important; color: var(--color-text-inverse); display: grid; place-items: center; font-weight: var(--font-weight-bold); font-size: var(--font-size-lg); }

/* Tin tức */
.blog-featured { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: var(--space-9); align-items: center; padding-block: var(--space-9) var(--space-8); }
.blog-featured__media { aspect-ratio: 16 / 10; display: block; }
.blog-featured__media img { width: 100%; height: 100%; object-fit: cover; }
.blog-featured:hover .blog-featured__media img { transform: scale(1.03); }
.blog-featured__body { display: grid; gap: var(--space-5); justify-items: start; }
.blog-featured__title { font-family: var(--font-family-display); font-size: var(--font-size-4xl); font-weight: var(--font-weight-medium); line-height: 1.2; text-wrap: balance; }
.blog-featured__title a:hover { color: var(--color-text-secondary); }
.blog-featured__excerpt { color: var(--color-text-tertiary); font-size: var(--font-size-xl); max-width: 52ch; }
.blog-cats { display: flex; gap: var(--space-3); overflow-x: auto; scrollbar-width: none; padding-block: var(--space-6); border-block: 1px solid var(--color-border-default); }
.blog-cats::-webkit-scrollbar { display: none; }
.blog-cats button { min-height: var(--tap-target); padding: 0 var(--space-6); white-space: nowrap; border: 1px solid var(--color-border-default); border-radius: var(--radius-pill); font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); transition: border-color var(--motion-duration-instant); }
.blog-cats button:hover { border-color: var(--color-border-strong); }
.blog-cats button[aria-pressed="true"] { background: var(--color-action-primary); border-color: var(--color-action-primary); color: var(--color-text-inverse); }
.blog-list { padding-block: var(--space-8) var(--space-10); display: grid; gap: var(--space-8); }
.blog-list__head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-5); }
.blog-list__count { font-size: var(--font-size-lg); color: var(--color-text-tertiary); font-variant-numeric: tabular-nums; }
.post-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-9) var(--space-7); }
.post-card { display: grid; gap: var(--space-4); align-content: start; }
.post-card__media { aspect-ratio: 16 / 10; display: block; }
.post-card__media img { width: 100%; height: 100%; object-fit: cover; }
.post-card:hover .post-card__media img { transform: scale(1.04); }
.post-card__meta, .article__meta { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); font-size: var(--font-size-lg); color: var(--color-text-tertiary); }
.post-card__cat, .article__cat { color: var(--color-text-secondary); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: .08em; }
.post-card__title { font-family: var(--font-family-display); font-size: var(--font-size-2xl); font-weight: var(--font-weight-medium); line-height: 1.35; }
.post-card__title a:hover { color: var(--color-text-secondary); }
.post-card__excerpt { color: var(--color-text-tertiary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Chi tiết tin tức */
.read-progress { position: fixed; top: 0; left: 0; right: 0; z-index: 200; height: 3px; background: var(--color-action-accent); transform-origin: left; transform: scaleX(0); }
.article__head { display: grid; gap: var(--space-5); justify-items: start; max-width: 860px; padding-block: var(--space-6) var(--space-8); }
.article__title { font-family: var(--font-family-display); font-size: clamp(28px, 4vw, 44px); font-weight: var(--font-weight-medium); line-height: 1.2; text-wrap: balance; }
.article__lead { font-size: var(--font-size-xl); color: var(--color-text-tertiary); max-width: 64ch; }
.article__meta .dot::before { content: "·"; margin-right: var(--space-4); }
.share { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.share__label { font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); margin-right: var(--space-2); }
.share a, .share button { display: inline-flex; align-items: center; gap: var(--space-2); min-height: 36px; padding: 0 var(--space-5); border: 1px solid var(--color-border-default); border-radius: var(--radius-pill); font-size: var(--font-size-lg); transition: border-color var(--motion-duration-instant); }
.share a:hover, .share button:hover { border-color: var(--color-border-strong); }
.share button[data-copied] { border-color: var(--color-text-success); color: var(--color-text-success); }
.article__hero { aspect-ratio: 2 / 1; max-height: 620px; }
.article__hero img { width: 100%; height: 100%; object-fit: cover; }
.article__layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: var(--space-10); padding-block: var(--space-9); align-items: start; }
.article__aside { position: sticky; top: calc(var(--header-h) + 72px); display: grid; gap: var(--space-8); }
.toc-mobile { display: none; }
.article__footer { display: grid; gap: var(--space-7); margin-top: var(--space-8); padding-top: var(--space-8); border-top: 1px solid var(--color-border-default); max-width: 72ch; }
.tags { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.tags a { padding: var(--space-2) var(--space-5); background: var(--color-surface-soft); font-size: var(--font-size-lg); transition: background-color var(--motion-duration-instant); }
.tags a:hover { background: var(--color-surface-accent); }
.author { display: grid; grid-template-columns: 64px 1fr; gap: var(--space-5); align-items: start; padding: var(--space-7); background: var(--color-surface-soft); }
.author__avatar { width: 64px; height: 64px; border-radius: var(--radius-circle); background: var(--color-surface-muted); display: grid; place-items: center; overflow: hidden; }
.author__avatar img { width: 90%; height: auto; }
.author__name { font-weight: var(--font-weight-semibold); }
.author p { color: var(--color-text-tertiary); font-size: var(--font-size-lg); }
.aside-card { display: grid; gap: var(--space-5); padding: var(--space-6); border: 1px solid var(--color-border-default); }
.aside-card__title { font-family: var(--font-family-display); font-size: var(--font-size-2xl); }
.aside-card p { color: var(--color-text-tertiary); font-size: var(--font-size-lg); }

@media (max-width: 1199px) {
  .policy { grid-template-columns: 220px minmax(0, 1fr); }
  .policy .toc { display: none; }
  .article__layout { grid-template-columns: minmax(0, 1fr) 240px; gap: var(--space-8); }
}
@media (max-width: 1023px) {
  .policy { grid-template-columns: 1fr; gap: var(--space-7); padding-top: var(--space-7); }
  .policy-nav { position: static; }
  .policy-nav ul, .policy-nav__title { display: none; }
  .policy-select { display: grid; gap: var(--space-2); }
  .policy-select label { font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); }
  .policy-select select { width: 100%; }
  .policy-help { margin-top: 0; order: 3; }
  .blog-featured { grid-template-columns: 1fr; gap: var(--space-6); }
  .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .article__layout { grid-template-columns: 1fr; padding-top: var(--space-7); }
  .article__aside { position: static; }
  .article__aside .toc { display: none; }
  .toc-mobile { display: block; border: 1px solid var(--color-border-default); }
  .toc-mobile summary { display: flex; justify-content: space-between; align-items: center; min-height: 52px; padding: 0 var(--space-6); cursor: pointer; list-style: none; font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps); font-size: var(--font-size-lg); }
  .toc-mobile summary::-webkit-details-marker { display: none; }
  .toc-mobile summary::after { content: "+"; font-size: var(--font-size-2xl); font-weight: var(--font-weight-base); }
  .toc-mobile[open] summary::after { content: "–"; }
  .toc-mobile .toc { position: static; padding: 0 var(--space-6) var(--space-6); }
}
@media (max-width: 767px) {
  .entry-content { font-size: 14px; }
  .post-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .article__hero { aspect-ratio: 4 / 3; }
  .author { grid-template-columns: 48px 1fr; padding: var(--space-6); }
  .author__avatar { width: 48px; height: 48px; }
}

/* Header: ô tìm kiếm bên trái, link Cửa hàng / Liên hệ bên phải */
.header-search {
  justify-self: start; display: inline-flex; align-items: center; gap: var(--space-4);
  width: min(300px, 100%); min-height: 40px; padding: 0 var(--space-6);
  background: var(--color-surface-soft); border: 1px solid transparent; border-radius: var(--radius-pill);
  font-size: var(--font-size-lg); color: var(--color-text-tertiary); text-align: left;
  transition: border-color var(--motion-duration-instant), background-color var(--motion-duration-instant);
}
.header-search svg { width: 18px; height: 18px; flex: none; color: var(--color-text-primary); }
.header-search span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.header-search:hover { border-color: var(--color-surface-accent); background: var(--color-surface-muted); }
.site-header__actions { align-items: center; gap: var(--space-2); }
.header-link {
  display: inline-flex; align-items: center; gap: var(--space-3); min-height: var(--tap-target); padding: 0 var(--space-4);
  font-size: var(--font-size-xl); color: var(--color-text-primary); white-space: nowrap;
  transition: color var(--motion-duration-instant);
}
.header-link svg { width: 22px; height: 22px; }
.header-link:hover span { text-decoration: underline; text-underline-offset: 4px; }
.header-link--accent { color: var(--color-text-secondary); }
.header-link + .icon-btn, .header-link + .cart-btn { margin-left: var(--space-3); }
@media (max-width: 1199px) { .header-link span { display: none; } .header-link { padding: 0 var(--space-3); } }

/* ==========================================================================
   13. Trang Liên hệ + Hệ thống cửa hàng
   ========================================================================== */
.channels { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-5); padding-block: var(--space-9) var(--space-8); }
.channel {
  display: grid; gap: var(--space-2); align-content: start; height: 100%; padding: var(--space-7) var(--space-6);
  border: 1px solid var(--color-border-default); transition: border-color var(--motion-duration-instant), box-shadow var(--motion-duration-instant);
}
.channel:hover { border-color: var(--color-action-accent); box-shadow: var(--shadow-sm); }
.channel svg { width: 28px; height: 28px; color: var(--color-text-secondary); margin-bottom: var(--space-3); }
.channel__label { font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps); color: var(--color-text-tertiary); }
.channel strong { font-size: var(--font-size-2xl); font-weight: var(--font-weight-semibold); overflow-wrap: anywhere; }
.channel small { font-size: var(--font-size-lg); color: var(--color-text-tertiary); }

.contact { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: var(--space-9); padding-bottom: var(--space-10); align-items: start; }
.contact__form-wrap { display: grid; gap: var(--space-5); }
.contact__intro { color: var(--color-text-tertiary); }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); margin-top: var(--space-3); }
.contact-form__full { grid-column: 1 / -1; }
.contact-form .field input, .contact-form .field select { min-height: 48px; }
.contact-form .f-check { align-items: flex-start; min-height: 0; }
.contact-form .f-check input { margin-top: 3px; }
.contact-form .f-check a { text-decoration: underline; text-underline-offset: 3px; }
.contact-form__actions { display: flex; align-items: center; gap: var(--space-6); flex-wrap: wrap; }
.contact-form__actions .btn { min-width: 200px; min-height: 52px; }
.contact-form__status { flex: 1; min-width: 220px; font-size: var(--font-size-body); }
.contact-form__status.is-success { color: var(--color-text-success); font-weight: var(--font-weight-semibold); }
.contact-form__status.is-error { color: var(--color-text-error); }
.contact__aside { display: grid; gap: var(--space-6); position: sticky; top: calc(var(--header-h) + 72px); }
.biz { display: grid; gap: var(--space-4); margin: 0; }
.biz div { display: grid; gap: var(--space-1); }
.biz dt { font-size: var(--font-size-lg); color: var(--color-text-tertiary); }
.biz dd { margin: 0; font-weight: var(--font-weight-semibold); }
.quick-links { display: grid; }
.quick-links a { display: flex; justify-content: space-between; align-items: center; min-height: 44px; border-bottom: 1px solid var(--color-border-default); font-size: var(--font-size-body); }
.quick-links a::after { content: "›"; font-size: var(--font-size-2xl); color: var(--color-text-tertiary); }
.quick-links a:hover { color: var(--color-text-secondary); }

.stores__count { margin: calc(-1 * var(--space-5)) 0 var(--space-6); color: var(--color-text-tertiary); font-size: var(--font-size-lg); }
.stores { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); }
.store { display: grid; grid-template-rows: auto 1fr; background: var(--color-surface-muted); }
.store__map { aspect-ratio: 16 / 9; display: grid; place-items: center; }
.store__pin { display: grid; place-items: center; width: 56px; height: 56px; border-radius: var(--radius-circle); background: var(--color-surface-muted); color: var(--color-text-secondary); box-shadow: var(--shadow-lg); }
.store__pin svg { width: 28px; height: 28px; }
.store__body { display: grid; gap: var(--space-4); align-content: start; justify-items: start; padding: var(--space-7); }
.store__city { font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps); color: var(--color-text-secondary); }
.store__name { font-family: var(--font-family-display); font-size: var(--font-size-3xl); font-weight: var(--font-weight-medium); }
.store__info { display: grid; gap: var(--space-3); }
.store__info li { display: grid; grid-template-columns: 20px 1fr; gap: var(--space-4); align-items: start; }
.store__info svg { width: 18px; height: 18px; color: var(--color-text-tertiary); margin-top: 2px; }
.store__info a { text-decoration: underline; text-underline-offset: 3px; }
.store__note { font-size: var(--font-size-lg); color: var(--color-text-tertiary); padding: var(--space-3) var(--space-4); background: var(--color-surface-soft); }

@media (max-width: 1199px) { .channels { grid-template-columns: repeat(2, minmax(0, 1fr)); } .stores { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 1023px) { .contact { grid-template-columns: 1fr; } .contact__aside { position: static; } }
@media (max-width: 767px) {
  .channels { grid-template-columns: 1fr 1fr; gap: var(--space-3); padding-top: var(--space-7); }
  .channel { padding: var(--space-5); }
  .channel strong { font-size: var(--font-size-xl); }
  .contact-form { grid-template-columns: 1fr; }
  .contact-form__actions .btn { width: 100%; }
  .stores { grid-template-columns: 1fr; }
}

/* ==========================================================================
   14. Trang Giới thiệu
   ========================================================================== */
.about-h2 { font-family: var(--font-family-display); font-size: var(--font-size-4xl); font-weight: var(--font-weight-medium); line-height: 1.2; text-wrap: balance; }
.about-head { display: grid; gap: var(--space-4); margin-bottom: var(--space-8); }
.about-head .eyebrow, .about-story .eyebrow { color: var(--color-text-secondary); }
.about-hero { min-height: clamp(420px, 60vh, 620px); display: flex; align-items: flex-end; color: var(--color-text-inverse); }
.about-hero > img { position: absolute; inset: 0; }
.about-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(20,10,14,.78) 0%, rgba(20,10,14,.25) 55%, rgba(20,10,14,.1) 100%); }
.about-hero__content { position: relative; z-index: 1; display: grid; gap: var(--space-5); padding-block: var(--space-10); text-shadow: 0 1px 12px rgba(0,0,0,.35); }
.about-hero__title { font-family: var(--font-family-display); font-size: var(--font-size-display); font-weight: var(--font-weight-medium); line-height: 1.08; text-wrap: balance; }
.about-hero .breadcrumb a { text-decoration: underline; text-underline-offset: 2px; }

.about-story { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: var(--space-10); align-items: center; padding-block: var(--space-10); }
.about-story__media { aspect-ratio: 9 / 11; }
.about-story__media img { width: 100%; height: 100%; object-fit: cover; }
.about-story__body { display: grid; gap: var(--space-6); }
.about-prose { display: grid; gap: var(--space-5); font-size: 15px; line-height: 1.75; max-width: 60ch; }
.about-prose strong { font-weight: var(--font-weight-semibold); }
.about-sign { font-family: var(--font-family-display); font-style: italic; font-size: var(--font-size-2xl); color: var(--color-text-secondary); }

.about-facts { background: var(--color-action-primary); color: var(--color-text-inverse); }
.about-facts__list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-7); padding-block: var(--space-9); }
.about-facts li { display: grid; gap: var(--space-3); padding-left: var(--space-6); border-left: 1px solid rgba(255,255,255,.25); }
.about-facts strong { font-family: var(--font-family-display); font-size: clamp(30px, 3.4vw, 44px); font-weight: var(--font-weight-medium); line-height: 1; font-variant-numeric: tabular-nums; }
.about-facts span { color: rgba(255,255,255,.78); font-size: var(--font-size-body); }

.values { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-6); }
.value { display: grid; gap: var(--space-4); align-content: start; padding: var(--space-7); border: 1px solid var(--color-border-default); }
.value svg { width: 32px; height: 32px; color: var(--color-text-secondary); }
.value__title { font-size: var(--font-size-2xl); font-weight: var(--font-weight-semibold); line-height: 1.35; }
.value p { color: var(--color-text-tertiary); }

.about-process { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: var(--space-10); align-items: center; }
.about-process__media { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.about-process__media .media { aspect-ratio: 4 / 5; display: block; }
.about-process__media .media:nth-child(2) { margin-top: var(--space-10); }
.about-process__media img { width: 100%; height: 100%; object-fit: cover; }
.process { list-style: none; margin: 0; padding: 0; display: grid; counter-reset: proc; }
.process li { counter-increment: proc; position: relative; display: grid; gap: var(--space-2); padding: 0 0 var(--space-7) 64px; }
.process li::before { content: counter(proc, decimal-leading-zero); position: absolute; left: 0; top: 0; font-family: var(--font-family-display); font-size: var(--font-size-3xl); color: var(--color-text-secondary); line-height: 1; font-variant-numeric: tabular-nums; }
.process li:not(:last-child)::after { content: ""; position: absolute; left: 15px; top: 40px; bottom: var(--space-3); width: 1px; background: var(--color-surface-accent); }
.process__title { font-size: var(--font-size-2xl); font-weight: var(--font-weight-semibold); }
.process p { color: var(--color-text-tertiary); max-width: 52ch; }

.about-cta { min-height: 420px; display: flex; align-items: center; color: var(--color-text-inverse); }
.about-cta > img { position: absolute; inset: 0; }
.about-cta::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,10,14,.82) 0%, rgba(20,10,14,.5) 55%, rgba(20,10,14,.2) 100%); }
.about-cta__content { position: relative; z-index: 1; display: grid; gap: var(--space-6); justify-items: start; padding-block: var(--space-10); }
.about-cta__content p { font-size: var(--font-size-xl); max-width: 48ch; }

@media (max-width: 1199px) { .values { grid-template-columns: repeat(2, minmax(0, 1fr)); } .about-facts__list { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: var(--space-8); } }
@media (max-width: 1023px) {
  .about-story, .about-process { grid-template-columns: 1fr; gap: var(--space-8); padding-block: var(--space-9); }
  .about-story__media { aspect-ratio: 4 / 3; }
  .about-process { padding-block: 0; }
}
@media (max-width: 767px) {
  .about-facts__list { grid-template-columns: 1fr 1fr; gap: var(--space-7) var(--space-5); }
  .about-facts li { padding-left: var(--space-4); }
  .values { grid-template-columns: 1fr; }
  .value { padding: var(--space-6); }
  .about-process__media .media:nth-child(2) { margin-top: var(--space-8); }
  .process li { padding-left: 52px; }
}

/* ==========================================================================
   15. Công cụ đo size
   ========================================================================== */
.sf { padding-block: var(--space-8) var(--space-10); }
.sf-modes { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-8); }
.sf-modes [role="tab"] {
  min-height: var(--tap-target); padding: 0 var(--space-7); border: 1px solid var(--color-border-default); border-radius: var(--radius-pill);
  font-size: var(--font-size-body); font-weight: var(--font-weight-semibold); transition: border-color var(--motion-duration-instant);
}
.sf-modes [role="tab"]:hover { border-color: var(--color-border-strong); }
.sf-modes [role="tab"][aria-selected="true"] { background: var(--color-action-primary); border-color: var(--color-action-primary); color: var(--color-text-inverse); }
.sf-units { margin-left: auto; display: inline-flex; padding: 3px; border: 1px solid var(--color-border-default); border-radius: var(--radius-pill); }
.sf-units button { min-height: 36px; min-width: 56px; padding: 0 var(--space-5); border-radius: var(--radius-pill); font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); }
.sf-units button[aria-pressed="true"] { background: var(--color-surface-accent); color: var(--color-text-secondary); }

.sf-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: var(--space-10); align-items: start; }
.sf-visual { position: sticky; top: calc(var(--header-h) + 72px); display: grid; gap: var(--space-5); justify-items: center; padding: var(--space-8); background: var(--color-surface-soft); }
.dressform { width: min(100%, 320px); height: auto; overflow: visible; }
.dressform__body { fill: var(--color-surface-muted); stroke: var(--color-surface-accent); stroke-width: 2; }
.dressform__stand { fill: none; stroke: var(--color-border-strong); stroke-width: 3; stroke-linecap: round; opacity: .35; }
.dressform__line path { fill: none; stroke: var(--color-border-default); stroke-width: 2; stroke-dasharray: 4 4; transition: stroke var(--motion-duration-instant); }
.dressform__line circle { fill: var(--color-border-default); stroke: none; transition: fill var(--motion-duration-instant); }
.dressform__line text { stroke: none; font-family: var(--font-family-primary); font-size: 10px; font-weight: 600; fill: var(--color-text-tertiary); opacity: 0; transition: opacity var(--motion-duration-instant); }
.dressform__line.is-active path { stroke: var(--color-action-accent); stroke-width: 3; stroke-dasharray: none; }
.dressform__line.is-active circle { fill: var(--color-action-accent); }
.dressform__line.is-active text { opacity: 1; fill: var(--color-text-secondary); }
.dressform__line.is-active path { animation: sf-draw .6s var(--motion-easing); }
@keyframes sf-draw { from { stroke-dashoffset: 140; stroke-dasharray: 140; } to { stroke-dashoffset: 0; stroke-dasharray: 140; } }
.sf-visual__tip { text-align: center; color: var(--color-text-tertiary); font-size: var(--font-size-body); max-width: 32ch; min-height: 2.8em; }

.sf-steps { display: grid; gap: var(--space-7); min-width: 0; }
.sf-progress { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.sf-progress li { display: flex; align-items: center; gap: var(--space-3); padding-bottom: var(--space-4); border-bottom: 2px solid var(--color-border-default); font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); color: var(--color-text-tertiary); }
.sf-progress span { display: grid; place-items: center; width: 26px; height: 26px; border-radius: var(--radius-circle); border: 1px solid currentColor; font-size: var(--font-size-md); flex: none; }
.sf-progress li[aria-current="step"] { color: var(--color-text-primary); border-color: var(--color-action-accent); }
.sf-progress li[aria-current="step"] span { background: var(--color-action-accent); border-color: var(--color-action-accent); color: var(--color-text-inverse); }
.sf-progress li.is-done { color: var(--color-text-primary); border-color: var(--color-action-primary); }
.sf-progress li.is-done span { background: var(--color-action-primary); border-color: var(--color-action-primary); color: var(--color-text-inverse); }
.sf-step { display: grid; gap: var(--space-7); }
.sf-step__title { font-family: var(--font-family-display); font-size: var(--font-size-3xl); font-weight: var(--font-weight-medium); line-height: 1.3; }
.sf-step__title:focus { outline: none; }
.sf-step__sub { color: var(--color-text-tertiary); margin-top: calc(-1 * var(--space-5)); }
.sf-step__q { font-size: var(--font-size-xl); font-weight: var(--font-weight-semibold); padding: 0; }

.measure { display: grid; gap: var(--space-4); padding: var(--space-6); border: 1px solid var(--color-border-default); transition: border-color var(--motion-duration-instant), box-shadow var(--motion-duration-instant); }
.measure.is-active { border-color: var(--color-action-accent); box-shadow: 0 0 0 1px var(--color-action-accent); }
.measure__head { display: flex; justify-content: space-between; align-items: center; gap: var(--space-5); }
.measure__label { font-size: var(--font-size-xl); font-weight: var(--font-weight-semibold); }
.measure__value { display: inline-flex; align-items: baseline; gap: var(--space-2); }
.measure__num {
  width: 96px; min-height: 48px; padding: 0 var(--space-4); text-align: right; font: inherit;
  font-family: var(--font-family-display); font-size: var(--font-size-3xl); color: var(--color-text-primary); font-variant-numeric: tabular-nums;
  border: 1px solid var(--color-border-default); background: var(--color-surface-muted); -moz-appearance: textfield;
}
.measure__num::-webkit-outer-spin-button, .measure__num::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.measure__num:focus-visible { outline: none; border-color: var(--color-focus-ring); box-shadow: 0 0 0 2px var(--color-focus-ring); }
.measure__num[aria-invalid="true"] { border-color: var(--color-text-error); }
.measure__unit { font-size: var(--font-size-lg); color: var(--color-text-tertiary); min-width: 2.5em; }
.measure__hint { font-size: var(--font-size-lg); color: var(--color-text-tertiary); }
.measure__range { --pct: 50%; width: 100%; height: 28px; margin: 0; background: transparent; appearance: none; -webkit-appearance: none; cursor: pointer; }
.measure__range::-webkit-slider-runnable-track { height: 4px; background: linear-gradient(90deg, var(--color-action-accent) var(--pct), var(--color-border-default) var(--pct)); }
.measure__range::-moz-range-track { height: 4px; background: linear-gradient(90deg, var(--color-action-accent) var(--pct), var(--color-border-default) var(--pct)); }
.measure__range::-webkit-slider-thumb { -webkit-appearance: none; width: 24px; height: 24px; margin-top: -10px; border-radius: var(--radius-circle); background: var(--color-surface-muted); border: 2px solid var(--color-action-accent); box-shadow: var(--shadow-sm); }
.measure__range::-moz-range-thumb { width: 22px; height: 22px; border-radius: var(--radius-circle); background: var(--color-surface-muted); border: 2px solid var(--color-action-accent); }
.measure__range:focus-visible { outline: none; }
.measure__range:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 3px var(--color-surface-muted), 0 0 0 5px var(--color-focus-ring); }

.sf-live { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: var(--space-2) var(--space-7); padding: var(--space-6) var(--space-7); background: var(--color-action-primary); color: var(--color-text-inverse); }
.sf-live__label { grid-column: 1 / -1; font-size: var(--font-size-lg); text-transform: uppercase; letter-spacing: var(--letter-spacing-caps); opacity: .75; }
.sf-live__size { font-family: var(--font-family-display); font-size: clamp(40px, 5vw, 56px); line-height: 1; font-variant-numeric: tabular-nums; }
.sf-live__note { font-size: var(--font-size-body); opacity: .85; }
.sf-nav { display: flex; gap: var(--space-3); justify-content: flex-end; flex-wrap: wrap; }
.sf-nav .btn { min-width: 160px; }

.sf-choices { border: 0; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
.sf-choice { position: relative; display: grid; grid-template-columns: 48px 1fr; grid-template-rows: auto auto; gap: var(--space-1) var(--space-5); align-items: center; padding: var(--space-5); border: 1px solid var(--color-border-default); cursor: pointer; transition: border-color var(--motion-duration-instant), background-color var(--motion-duration-instant); }
.sf-choice input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.sf-choice strong { font-weight: var(--font-weight-semibold); }
.sf-choice small { grid-column: 2; font-size: var(--font-size-lg); color: var(--color-text-tertiary); }
.sf-choice:hover { border-color: var(--color-border-strong); }
.sf-choice:has(input:checked) { border-color: var(--color-action-accent); background: var(--color-surface-soft); box-shadow: inset 0 0 0 1px var(--color-action-accent); }
.sf-choice:has(input:focus-visible) { outline: 2px solid var(--color-focus-ring); outline-offset: 2px; }
.sf-choice__shape { grid-row: 1 / 3; width: 48px; height: 32px; position: relative; }
.sf-choice__shape::before, .sf-choice__shape::after { content: ""; position: absolute; bottom: 0; width: 22px; height: 20px; border: 2px solid var(--color-action-accent); border-top: 0; border-radius: 0 0 14px 14px; }
.sf-choice__shape::before { left: 1px; } .sf-choice__shape::after { right: 1px; }
.sf-choice__shape--xa-nhau::before { left: -3px; } .sf-choice__shape--xa-nhau::after { right: -3px; }
.sf-choice__shape--nho-gon::before, .sf-choice__shape--nho-gon::after { height: 12px; width: 18px; }
.sf-choice__shape--nho-gon::before { left: 4px; } .sf-choice__shape--nho-gon::after { right: 4px; }
.sf-choice__shape--chay-nhe::before, .sf-choice__shape--chay-nhe::after { border-radius: 0 0 16px 16px; height: 14px; bottom: -2px; width: 23px; }
.sf-pills { border: 0; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-3); }
.sf-pill { position: relative; }
.sf-pill input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.sf-pill span { display: inline-flex; align-items: center; min-height: var(--tap-target); padding: 0 var(--space-6); border: 1px solid var(--color-border-default); border-radius: var(--radius-pill); font-size: var(--font-size-body); transition: all var(--motion-duration-instant); }
.sf-pill:hover span { border-color: var(--color-border-strong); }
.sf-pill input:checked + span { background: var(--color-action-primary); border-color: var(--color-action-primary); color: var(--color-text-inverse); }
.sf-pill input:checked + span::before { content: "✓"; margin-right: var(--space-3); }
.sf-pill input:focus-visible + span { outline: 2px solid var(--color-focus-ring); outline-offset: 2px; }

.sf-result { display: grid; gap: var(--space-6); padding: var(--space-8); border: 1px solid var(--color-surface-accent); background: var(--color-surface-soft); }
.sf-result:focus { outline: none; }
.sf-result .eyebrow, .sf-fix__result .eyebrow { color: var(--color-text-secondary); }
.sf-result__size { font-family: var(--font-family-display); font-size: clamp(56px, 8vw, 88px); line-height: 1; font-variant-numeric: tabular-nums; animation: rise .6s var(--motion-easing); }
.sf-result__detail { color: var(--color-text-tertiary); }
.sf-convert { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; border: 1px solid var(--color-border-default); background: var(--color-surface-muted); }
.sf-convert div { display: grid; gap: var(--space-1); padding: var(--space-4) var(--space-5); border-right: 1px solid var(--color-border-default); }
.sf-convert div:last-child { border-right: 0; }
.sf-convert dt { font-size: var(--font-size-md); color: var(--color-text-tertiary); text-transform: uppercase; letter-spacing: .08em; }
.sf-convert dd { margin: 0; font-size: var(--font-size-2xl); font-weight: var(--font-weight-semibold); font-variant-numeric: tabular-nums; }
.sf-sister { display: grid; gap: var(--space-3); }
.sf-sister__title { font-weight: var(--font-weight-bold); }
.sf-sister__desc { font-size: var(--font-size-lg); color: var(--color-text-tertiary); }
.sf-sister__list { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.sf-sister__list li { display: grid; gap: var(--space-1); padding: var(--space-4) var(--space-6); background: var(--color-surface-muted); border: 1px solid var(--color-border-default); }
.sf-sister__list strong { font-size: var(--font-size-xl); }
.sf-sister__list span { font-size: var(--font-size-md); color: var(--color-text-tertiary); }
.sf-styles { display: grid; gap: var(--space-3); }
.sf-styles:empty { display: none; }
.sf-styles__list { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.sf-styles__list li { padding: var(--space-3) var(--space-5); background: var(--color-surface-accent); font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); }
.sf-result__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.sf-saved { font-size: var(--font-size-lg); color: var(--color-text-success); }

.sf-fix { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: var(--space-10); align-items: start; }
.sf-fix > div:first-child { display: grid; gap: var(--space-7); }
.sf-fix__current { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.sf-fix__current select { width: 100%; }
.sf-issues { border: 0; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.sf-issues legend { margin-bottom: var(--space-4); }
.sf-issues .f-check { min-height: 48px; padding: 0 var(--space-5); border: 1px solid var(--color-border-default); transition: border-color var(--motion-duration-instant), background-color var(--motion-duration-instant); }
.sf-issues .f-check:has(input:checked) { border-color: var(--color-action-accent); background: var(--color-surface-soft); }
.sf-fix__result { position: sticky; top: calc(var(--header-h) + 72px); display: grid; gap: var(--space-5); justify-items: start; padding: var(--space-8); background: var(--color-surface-soft); border: 1px solid var(--color-surface-accent); }
.sf-fix__why { display: grid; gap: var(--space-3); }
.sf-fix__why li { position: relative; padding-left: var(--space-6); color: var(--color-text-tertiary); }
.sf-fix__why li::before { content: ""; position: absolute; left: 0; top: .6em; width: 6px; height: 6px; border-radius: var(--radius-circle); background: var(--color-action-accent); }

.sf-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.sf-table th, .sf-table td { padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border-default); text-align: left; }
.sf-table thead th { background: var(--color-surface-soft); font-weight: var(--font-weight-semibold); font-size: var(--font-size-lg); }
.sf-table tr.is-match th, .sf-table tr.is-match td { background: var(--color-surface-accent); font-weight: var(--font-weight-bold); }
.sf-table tr.is-match th::after { content: " ← size của bạn"; font-weight: var(--font-weight-base); color: var(--color-text-secondary); font-size: var(--font-size-md); }
.sf-tips { display: grid; gap: var(--space-8); }
.sf-tips__more { color: var(--color-text-tertiary); }
.sf-tips__more a { color: var(--color-text-secondary); text-decoration: underline; text-underline-offset: 3px; }

/* Gợi ý size đã lưu trên trang sản phẩm */
.pdp-size.is-suggested:not([aria-pressed="true"]) { border-color: var(--color-action-accent); box-shadow: inset 0 0 0 1px var(--color-action-accent); }
.pdp-size-hint { font-size: var(--font-size-lg); padding: var(--space-3) var(--space-5); background: var(--color-surface-soft); }
.pdp-size-hint a { color: var(--color-text-secondary); text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 1023px) {
  .sf-grid, .sf-fix { grid-template-columns: 1fr; gap: var(--space-7); }
  .sf-visual { position: static; padding: var(--space-6); }
  .dressform { width: min(100%, 220px); }
  .sf-fix__result { position: static; }
}
@media (max-width: 767px) {
  .sf-modes [role="tab"] { flex: 1 1 100%; }
  .sf-units { margin-left: 0; }
  .sf-choices { grid-template-columns: 1fr; }
  .sf-convert { grid-template-columns: 1fr 1fr; }
  .sf-convert div:nth-child(2) { border-right: 0; }
  .sf-convert div:nth-child(-n+2) { border-bottom: 1px solid var(--color-border-default); }
  .sf-result { padding: var(--space-6); }
  .sf-nav .btn, .sf-result__actions .btn { flex: 1; min-width: 0; }
  .sf-progress li { font-size: var(--font-size-md); flex-direction: column; align-items: flex-start; }
}

/* Menu chính: giữ 1 dòng ở màn hình laptop */
@media (max-width: 1279px) {
  .main-nav__list { gap: 0; }
  .main-nav__link { padding: 0 var(--space-4); letter-spacing: .06em; }
  .main-nav__link::after { left: var(--space-4); right: var(--space-4); }
}
/* Gallery: số ảnh lẻ thì ảnh đầu chiếm trọn hàng */
.pdp-gallery__track > :first-child:nth-last-child(odd) { grid-column: 1 / -1; aspect-ratio: 3 / 2; }
@media (max-width: 1023px) { .pdp-gallery__track > :first-child:nth-last-child(odd) { aspect-ratio: 3 / 4; } }
.pdp-stock:empty { display: none; }

/* Ma-nơ-canh dáng nữ */
.dressform__cap { fill: var(--color-surface-accent); stroke: var(--color-surface-accent); stroke-width: 1.5; }
.dressform__seam { fill: none; stroke: var(--color-surface-accent); stroke-width: 1; stroke-dasharray: 2 4; }
.dressform__contour { fill: none; stroke: var(--color-text-tertiary); stroke-width: 1.5; stroke-linecap: round; opacity: .5; }
.dressform__line text { font-size: 11px; text-anchor: start; }
.dressform { width: min(100%, 360px); }
.dressform__breast { fill: var(--color-surface-soft); stroke: none; }
.dressform__shine { fill: none; stroke: var(--color-surface-muted); stroke-width: 3; stroke-linecap: round; opacity: .9; }

/* ==========================================================================
   16. Thương hiệu & Chi tiết thương hiệu
   ========================================================================== */
.pdp-info__brand a:hover { color: var(--color-text-secondary); text-decoration: underline; text-underline-offset: 3px; }
.mega__all { margin-top: var(--space-6); }
.brand-features { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-6); }
.brand-feature { display: grid; gap: var(--space-5); }
.brand-feature__media { display: block; aspect-ratio: 4 / 5; }
.brand-feature__media img { width: 100%; height: 100%; object-fit: cover; }
.brand-feature:hover .brand-feature__media img { transform: scale(1.04); }
.brand-feature__body { display: grid; gap: var(--space-2); justify-items: start; }
.brand-feature__meta { font-size: var(--font-size-lg); color: var(--color-text-tertiary); }
.brand-feature__name { font-family: var(--font-family-display); font-size: var(--font-size-3xl); line-height: 1.2; }
.brand-feature__tag { color: var(--color-text-tertiary); margin-bottom: var(--space-3); }
.brand-feature:hover .brand-feature__name { color: var(--color-text-secondary); }

.brand-index { display: grid; gap: var(--space-6); padding-bottom: var(--space-10); border-top: 1px solid var(--color-border-default); padding-top: var(--space-9); }
.brand-index__head { display: flex; justify-content: space-between; align-items: center; gap: var(--space-5); flex-wrap: wrap; }
.brand-search { position: relative; width: min(360px, 100%); }
.brand-search svg { position: absolute; left: var(--space-5); top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--color-text-tertiary); pointer-events: none; }
.brand-search input { width: 100%; min-height: var(--tap-target); padding: 0 var(--space-6) 0 44px; font: inherit; border: 1px solid var(--color-border-strong); border-radius: var(--radius-pill); background: var(--color-surface-muted); color: var(--color-text-primary); }
.brand-search input:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--color-focus-ring); }
.az ul { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.az a { display: grid; place-items: center; width: 36px; height: 36px; font-size: var(--font-size-body); font-weight: var(--font-weight-semibold); border-radius: var(--radius-circle); transition: background-color var(--motion-duration-instant); }
.az a[href]:hover { background: var(--color-surface-accent); color: var(--color-text-secondary); }
.az a[aria-disabled="true"] { color: var(--color-border-default); cursor: default; }
.brand-index__status { font-size: var(--font-size-lg); color: var(--color-text-tertiary); }
.brand-group { display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: var(--space-6); padding-block: var(--space-6); border-top: 1px solid var(--color-border-default); scroll-margin-top: calc(var(--header-h) + 72px); }
.brand-group__letter { font-family: var(--font-family-display); font-size: var(--font-size-4xl); font-weight: var(--font-weight-medium); line-height: 1; color: var(--color-text-secondary); }
.brand-group__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3) var(--space-6); }
.brand-row { display: grid; gap: var(--space-1); padding: var(--space-4) var(--space-5); border: 1px solid transparent; transition: border-color var(--motion-duration-instant), background-color var(--motion-duration-instant); }
.brand-row:hover { border-color: var(--color-surface-accent); background: var(--color-surface-soft); }
.brand-row__name { font-family: var(--font-family-display); font-size: var(--font-size-2xl); }
.brand-row__meta, .brand-row__count { font-size: var(--font-size-lg); color: var(--color-text-tertiary); }
.brand-row__count { color: var(--color-text-secondary); font-weight: var(--font-weight-semibold); }

.brand-about { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: var(--space-9); align-items: center; padding-block: var(--space-8); }
.brand-about__desc { font-size: var(--font-size-xl); line-height: 1.7; color: var(--color-text-tertiary); max-width: 64ch; }
.brand-about__meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--color-border-default); }
.brand-about__meta li { display: grid; gap: var(--space-1); padding: var(--space-5); border-right: 1px solid var(--color-border-default); }
.brand-about__meta li:last-child { border-right: 0; }
.brand-about__meta span { font-size: var(--font-size-md); text-transform: uppercase; letter-spacing: .08em; color: var(--color-text-tertiary); }
.brand-about__meta strong { font-size: var(--font-size-xl); font-weight: var(--font-weight-semibold); }
.brand-others { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-3); }
.brand-pill { display: grid; gap: var(--space-1); padding: var(--space-5) var(--space-6); background: var(--color-surface-muted); border: 1px solid transparent; transition: border-color var(--motion-duration-instant); }
.brand-pill:hover { border-color: var(--color-action-accent); }
.brand-pill strong { font-family: var(--font-family-display); font-size: var(--font-size-2xl); font-weight: var(--font-weight-medium); }
.brand-pill small { font-size: var(--font-size-lg); color: var(--color-text-tertiary); }

@media (max-width: 1199px) { .brand-features { grid-template-columns: repeat(2, minmax(0, 1fr)); } .brand-group__list { grid-template-columns: repeat(2, minmax(0, 1fr)); } .brand-others { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 1023px) { .brand-about { grid-template-columns: 1fr; gap: var(--space-6); } }
@media (max-width: 767px) {
  .brand-features { gap: var(--space-5); }
  .brand-feature__name { font-size: var(--font-size-2xl); }
  .brand-feature__tag { display: none; }
  .brand-group { grid-template-columns: 1fr; gap: var(--space-3); }
  .brand-group__list { grid-template-columns: 1fr; }
  .brand-about__meta { grid-template-columns: 1fr; }
  .brand-about__meta li { border-right: 0; border-bottom: 1px solid var(--color-border-default); }
  .brand-about__meta li:last-child { border-bottom: 0; }
  .brand-others { grid-template-columns: 1fr 1fr; }
}
/* Banner thương hiệu: ảnh sản phẩm đặt bên phải, nền màu thương hiệu, tránh phóng to ảnh nhỏ */
[data-brand-hero] { min-height: 320px; }
[data-brand-hero] > img { left: auto; right: 0; width: min(42%, 520px); object-position: center 40%; }
[data-brand-hero]::after { background: linear-gradient(90deg, rgba(20,10,14,.72) 0%, rgba(20,10,14,.45) 55%, rgba(20,10,14,0) 100%); }
@media (max-width: 767px) { [data-brand-hero] > img { width: 55%; opacity: .55; } }
.brand-group { padding-block: var(--space-5); }
@media (min-width: 1200px) { .brand-group__list { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* ==========================================================================
   17. Bộ sưu tập & Chi tiết bộ sưu tập
   ========================================================================== */
.col-featured { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: var(--space-9); align-items: center; padding-block: var(--space-9); }
.col-featured__media { display: block; aspect-ratio: 16 / 9; }
.col-featured__media img { width: 100%; height: 100%; object-fit: cover; }
.col-featured:hover .col-featured__media img { transform: scale(1.03); }
.col-featured__body { display: grid; gap: var(--space-5); justify-items: start; }
.col-featured__body .eyebrow { color: var(--color-text-secondary); }
.col-featured__body h2 a:hover { color: var(--color-text-secondary); }
.col-featured__tag { font-size: var(--font-size-xl); color: var(--color-text-tertiary); max-width: 40ch; }
.col-index { display: grid; gap: var(--space-6); padding-block: var(--space-8) var(--space-10); border-top: 1px solid var(--color-border-default); }
.col-index__head { display: flex; justify-content: space-between; align-items: center; gap: var(--space-5); flex-wrap: wrap; }
.col-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-8) var(--space-6); }
.col-card { display: grid; gap: var(--space-2); align-content: start; }
.col-card__media { display: block; aspect-ratio: 4 / 5; margin-bottom: var(--space-4); }
.col-card__media img { width: 100%; height: 100%; object-fit: cover; }
.col-card:hover .col-card__media img { transform: scale(1.04); }
.col-card__season { font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); text-transform: uppercase; letter-spacing: .08em; color: var(--color-text-secondary); }
.col-card__name { font-family: var(--font-family-display); font-size: var(--font-size-3xl); line-height: 1.2; }
.col-card:hover .col-card__name { color: var(--color-text-secondary); }
.col-card__tag { color: var(--color-text-tertiary); }
.col-card__summary { font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); font-variant-numeric: tabular-nums; }

.col-hero { min-height: clamp(460px, 70vh, 720px); display: flex; align-items: flex-end; color: var(--color-text-inverse); }
.col-hero > img { position: absolute; inset: 0; }
.col-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(20,10,14,.82) 0%, rgba(20,10,14,.35) 50%, rgba(20,10,14,.08) 100%); }
.col-hero__content { position: relative; z-index: 1; display: grid; gap: var(--space-5); justify-items: start; padding-block: var(--space-10); text-shadow: 0 1px 12px rgba(0,0,0,.35); }
.col-hero__title { font-family: var(--font-family-display); font-size: var(--font-size-display); font-weight: var(--font-weight-medium); line-height: 1.02; }
.col-hero__tag { font-size: var(--font-size-xl); max-width: 48ch; }
.col-hero .breadcrumb a { text-decoration: underline; text-underline-offset: 2px; }
.col-story { font-family: var(--font-family-display); font-size: var(--font-size-2xl); line-height: 1.6; color: var(--color-text-primary); }

.lookbook__hint { font-size: var(--font-size-lg); color: var(--color-text-tertiary); }
.lookbook { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); }
.look { position: relative; margin: 0; display: grid; gap: var(--space-3); }
.look--wide { grid-column: 1 / -1; }
.look__media { aspect-ratio: 3 / 4; }
.look--wide .look__media { aspect-ratio: 12 / 5; }
.look__media img { width: 100%; height: 100%; object-fit: cover; }
.look__cap { font-size: var(--font-size-md); color: var(--color-text-tertiary); }
.hotspot {
  position: absolute; z-index: 2; width: 36px; height: 36px; margin: -18px 0 0 -18px; border-radius: var(--radius-circle);
  display: grid; place-items: center; background: var(--color-surface-muted); color: var(--color-text-primary);
  font-size: var(--font-size-2xl); font-weight: var(--font-weight-base); line-height: 1; box-shadow: 0 2px 10px rgba(0,0,0,.25);
  transition: transform var(--motion-duration-instant), background-color var(--motion-duration-instant);
}
.hotspot::before { content: ""; position: absolute; inset: -6px; border-radius: var(--radius-circle); border: 2px solid var(--color-surface-muted); opacity: .8; animation: hotspot-pulse 2s ease-out infinite; }
.hotspot:hover, .hotspot[aria-expanded="true"] { transform: scale(1.12); background: var(--color-action-accent); color: var(--color-text-inverse); }
.hotspot[aria-expanded="true"] span { transform: rotate(45deg); display: inline-block; }
@keyframes hotspot-pulse { 0% { transform: scale(.8); opacity: .9; } 100% { transform: scale(1.6); opacity: 0; } }
.hotspot-card {
  position: absolute; z-index: 3; width: min(280px, 80%); transform: translateY(-50%);
  display: grid; grid-template-columns: 80px 1fr; gap: var(--space-4); padding: var(--space-4); padding-right: var(--space-8);
  background: var(--color-surface-muted); box-shadow: var(--shadow-lg); animation: fadeIn var(--motion-duration-instant) var(--motion-easing);
}
.hotspot-card__img { display: block; aspect-ratio: 3 / 4; }
.hotspot-card__img img { width: 100%; height: 100%; object-fit: cover; }
.hotspot-card__body { display: grid; gap: var(--space-2); align-content: start; min-width: 0; }
.hotspot-card__name { font-size: var(--font-size-body); font-weight: var(--font-weight-semibold); line-height: 1.35; }
.hotspot-card__price { display: flex; gap: var(--space-3); align-items: baseline; flex-wrap: wrap; }
.hotspot-card__price .price { font-size: var(--font-size-body); }
.hotspot-card__cta { min-height: 36px; padding: 0 var(--space-4); font-size: var(--font-size-sm); margin-top: var(--space-2); }
.hotspot-card__close { position: absolute; top: 0; right: 0; width: 36px; height: 36px; }
.hotspot-card__close svg { width: 16px; height: 16px; }

.col-soon { display: grid; gap: var(--space-5); justify-items: start; max-width: 720px; }
.col-soon .eyebrow { color: var(--color-text-secondary); }
.col-soon > p:not(.eyebrow) { color: var(--color-text-tertiary); font-size: var(--font-size-xl); }
.col-soon__form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-3); width: 100%; }
.col-soon__form input { min-height: 52px; padding: 0 var(--space-5); font: inherit; border: 1px solid var(--color-border-strong); background: var(--color-surface-muted); color: var(--color-text-primary); }
.col-soon__form input:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--color-focus-ring); }
.col-soon__form input[aria-invalid="true"] { border-color: var(--color-text-error); }
.col-soon__form .contact-form__status { grid-column: 1 / -1; }

@media (max-width: 1199px) { .col-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 1023px) {
  .col-featured { grid-template-columns: 1fr; gap: var(--space-6); padding-block: var(--space-8); }
  .col-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lookbook { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 767px) {
  .col-grid { gap: var(--space-7) var(--space-4); }
  .col-card__name { font-size: var(--font-size-2xl); }
  .col-card__tag { display: none; }
  .lookbook { grid-template-columns: 1fr; }
  .look--wide .look__media { aspect-ratio: 4 / 3; }
  .hotspot-card { width: min(260px, 86%); }
  .col-soon__form { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { .hotspot::before { animation: none; } }
/* 12 mục menu: thu gọn thêm ở laptop */
@media (max-width: 1279px) { .main-nav__link { padding: 0 var(--space-3); letter-spacing: .04em; } .main-nav__link::after { left: var(--space-3); right: var(--space-3); } }
@media (max-width: 767px) {
  .hotspot-card { left: var(--space-3) !important; right: var(--space-3) !important; top: auto !important; bottom: calc(var(--space-3) + 1.6em); width: auto; transform: none; }
}