/* ══════════════════════════════════════════════════════════════════
   SHOP THỜI TRANG — BOLD-EDITORIAL
   Font: Outfit 300/400/500/600/700/800 | Tone: high-contrast editorial
   Identity: BOLD-EDITORIAL | Accent: Electric Blue #0052ff
   Nav: Nav-1 (Transparent→Scrolled) | Hero: H3 Magazine Grid
   Prefix: st- (shop-thoi-trang)
   Layouts: STAT-BAR · GRID-CARDS · BENTO-GRID ·
            ALTERNATING-STRIPS · FULL-BLEED · HORIZONTAL-SCROLL
   ══════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ── CSS Custom Properties ── */
:root {
  --bg:            #f4f4f4;
  --surface:       #ffffff;
  --dark:          #0a0a0a;
  --dark2:         #111111;
  --border:        #d8d8d8;
  --border-light:  #ececec;
  --text:          #0a0a0a;
  --text-2:        #545454;
  --text-3:        #9a9a9a;
  --accent:        #0052ff;
  --accent-h:      #003dd1;
  --accent-light:  #e6edff;
  --accent-mid:    #3373ff;
  --sale:          #ff3b30;
  --sale-light:    #fff3f2;
  --sans:          'Outfit', sans-serif;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: var(--sans); cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: var(--sans); }

/* ── Layout ── */
.st-container    { max-width: 1280px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 64px); }
.st-container-sm { max-width: 1000px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 64px); }
.st-sec    { padding: clamp(64px, 9vw, 120px) 0; }
.st-sec-sm { padding: clamp(40px, 5vw, 72px) 0; }

/* ── Section Header ── */
.st-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  border-left: 3px solid var(--accent);
  padding-left: 10px;
}
.st-sec-title {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.02em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 14px;
}
.st-sec-sub {
  font-size: 15px;
  font-weight: 400;
  color: var(--text-2);
  max-width: 540px;
  line-height: 1.75;
}

/* ── Buttons ── */
.st-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-radius: 0;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
  border: 2px solid transparent;
  white-space: nowrap;
}
.st-btn-primary  { background: var(--accent);  color: #fff; border-color: var(--accent); }
.st-btn-primary:hover { background: var(--accent-h); border-color: var(--accent-h); }
.st-btn-dark     { background: var(--dark);    color: #fff; border-color: var(--dark); }
.st-btn-dark:hover { background: #2a2a2a; border-color: #2a2a2a; }
.st-btn-outline  { background: transparent;   color: var(--text); border-color: var(--text); }
.st-btn-outline:hover { background: var(--text); color: #fff; }
.st-btn-outline-white { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.st-btn-outline-white:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.st-btn-sm { padding: 9px 18px; font-size: 12px; }
.st-btn-lg { padding: 16px 36px; font-size: 14px; }

/* ── Reveal Animation ── */
[data-reveal] { opacity: 0; transform: translateY(30px); transition: opacity .65s, transform .65s; }
[data-reveal].visible { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .1s; }
[data-reveal][data-delay="2"] { transition-delay: .2s; }
[data-reveal][data-delay="3"] { transition-delay: .3s; }
[data-reveal][data-delay="4"] { transition-delay: .4s; }
[data-reveal][data-delay="5"] { transition-delay: .5s; }

/* ══════════════════════════════════════════════════════════════════
   PRODUCT CARD (dùng chung mọi trang)
   ══════════════════════════════════════════════════════════════════ */
.st-prod-card {
  background: var(--surface);
  overflow: hidden;
  position: relative;
  transition: box-shadow .25s, transform .25s;
  border: 1px solid var(--border-light);
}
.st-prod-card:hover {
  box-shadow: 0 16px 48px rgba(0,0,0,.1);
  transform: translateY(-5px);
}
.st-prod-thumb {
  aspect-ratio: 3/4;
  overflow: hidden;
  position: relative;
  background: #f0f0f0;
}
.st-prod-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s;
}
.st-prod-card:hover .st-prod-thumb img { transform: scale(1.07); }

.st-prod-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  z-index: 2;
}
.st-prod-badge-sale { background: var(--sale); color: #fff; }
.st-prod-badge-new  { background: var(--dark); color: #fff; }
.st-prod-badge-hot  { background: var(--accent); color: #fff; }

.st-prod-actions {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  gap: 2px;
  padding: 2px;
  background: linear-gradient(0deg, rgba(0,0,0,.55) 0%, transparent 100%);
  opacity: 0;
  transition: opacity .25s;
}
.st-prod-card:hover .st-prod-actions { opacity: 1; }
.st-prod-actions button {
  flex: 1;
  padding: 10px 6px;
  background: rgba(255,255,255,.92);
  color: var(--dark);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: background .15s, color .15s;
  cursor: pointer;
  border: none;
}
.st-prod-actions button:hover { background: var(--accent); color: #fff; }

.st-prod-info { padding: 14px 16px 18px; }
.st-prod-brand {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 4px;
}
.st-prod-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.3;
}
.st-prod-price { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.st-price-current { font-size: 16px; font-weight: 800; color: var(--text); }
.st-price-original {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-3);
  text-decoration: line-through;
}
.st-price-pct {
  font-size: 11px;
  font-weight: 700;
  color: var(--sale);
  background: var(--sale-light);
  padding: 2px 6px;
}
.st-prod-colors { display: flex; gap: 6px; margin-top: 9px; }
.st-color-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: border-color .15s, transform .15s;
}
.st-color-dot:hover { border-color: var(--dark); transform: scale(1.15); }
.st-color-dot.active { border-color: var(--dark); }

/* ══════════════════════════════════════════════════════════════════
   NAV — Nav-1: Transparent → Scrolled
   ══════════════════════════════════════════════════════════════════ */
.st-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  transition: background .3s, box-shadow .3s;
}
.st-nav:not(.st-scrolled) { background: transparent; }
.st-nav.st-scrolled {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border-light);
}
.st-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.st-logo {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  flex-shrink: 0;
  color: var(--text);
}
.st-logo span { color: var(--accent); }
.st-nav:not(.st-scrolled) .st-logo { color: #fff; }
.st-nav:not(.st-scrolled) .st-logo span { color: var(--accent-mid); }

.st-nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.st-nav-links a {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-2);
  position: relative;
  transition: color .2s;
}
.st-nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform .2s;
  transform-origin: left;
}
.st-nav-links a:hover { color: var(--text); }
.st-nav-links a:hover::after,
.st-nav-links a.st-active::after { transform: scaleX(1); }
.st-nav-links a.st-active { color: var(--text); }
.st-nav:not(.st-scrolled) .st-nav-links a { color: rgba(255,255,255,.7); }
.st-nav:not(.st-scrolled) .st-nav-links a:hover { color: #fff; }
.st-nav:not(.st-scrolled) .st-nav-links a::after { background: #fff; }

.st-nav-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.st-nav-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: var(--text);
  font-size: 18px;
  transition: color .2s;
}
.st-nav-icon:hover { color: var(--accent); }
.st-nav:not(.st-scrolled) .st-nav-icon { color: rgba(255,255,255,.85); }
.st-nav:not(.st-scrolled) .st-nav-icon:hover { color: #fff; }
.st-cart-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 17px;
  height: 17px;
  background: var(--accent);
  color: #fff;
  font-size: 9px;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.st-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.st-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: all .25s;
}
.st-nav:not(.st-scrolled) .st-burger span { background: #fff; }
.st-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.st-burger.open span:nth-child(2) { opacity: 0; }
.st-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.st-mob-nav {
  position: fixed;
  inset: 0;
  z-index: 899;
  background: var(--dark);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px clamp(24px, 6vw, 64px) 40px;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.4, 0, .2, 1);
  overflow-y: auto;
}
.st-mob-nav.open { transform: translateX(0); }
.st-mob-nav ul { margin-bottom: 32px; }
.st-mob-nav ul li { border-bottom: 1px solid rgba(255,255,255,.07); }
.st-mob-nav ul a {
  display: block;
  padding: 16px 0;
  font-size: clamp(22px, 5vw, 40px);
  font-weight: 800;
  letter-spacing: -.01em;
  text-transform: uppercase;
  color: rgba(255,255,255,.75);
  transition: color .2s;
}
.st-mob-nav ul a:hover { color: #fff; }
.st-mob-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ══════════════════════════════════════════════════════════════════
   HERO — H3: Magazine Grid
   ══════════════════════════════════════════════════════════════════ */
.st-hero {
  background: var(--dark);
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
  position: relative;
}
.st-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    rgba(255,255,255,.02) 0px,
    rgba(255,255,255,.02) 1px,
    transparent 1px,
    transparent 44px
  );
  pointer-events: none;
}
.st-hero-inner {
  display: grid;
  grid-template-columns: 55% 45%;
  gap: 48px;
  align-items: center;
  width: 100%;
  padding: 56px 0 48px;
}
.st-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent-mid);
  margin-bottom: 22px;
}
.st-hero-eyebrow::before {
  content: '';
  display: block;
  width: 36px;
  height: 2px;
  background: var(--accent-mid);
}
.st-hero-heading {
  font-size: clamp(52px, 7.5vw, 108px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -.03em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 24px;
}
.st-hero-heading em { font-style: normal; color: var(--accent-mid); }
.st-hero-desc {
  font-size: 15px;
  font-weight: 400;
  color: rgba(255,255,255,.55);
  max-width: 440px;
  line-height: 1.75;
  margin-bottom: 36px;
}
.st-hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.st-hero-scroll {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255,255,255,.3);
  margin-top: 48px;
}
.st-hero-scroll-line {
  display: block;
  width: 40px;
  height: 1px;
  background: rgba(255,255,255,.25);
  animation: stScrollPulse 2s ease-in-out infinite;
}
@keyframes stScrollPulse {
  0%, 100% { width: 24px; opacity: .25; }
  50% { width: 52px; opacity: .6; }
}

/* Magazine Grid (right column) */
.st-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 6px;
  height: 560px;
}
.st-hero-grid-item {
  position: relative;
  overflow: hidden;
  background: #1c1c1c;
}
.st-hero-grid-item:nth-child(1) {
  grid-row: 1 / 3;   /* spans full height on left */
}
.st-hero-grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .55s;
}
.st-hero-grid-item:hover img { transform: scale(1.06); }
.st-hero-grid-label {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(0, 82, 255, .88);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 5px 12px;
}

/* ══════════════════════════════════════════════════════════════════
   STAT BAR — dark strip with counters
   ══════════════════════════════════════════════════════════════════ */
.st-statbar {
  background: var(--dark);
  border-top: 3px solid var(--accent);
}
.st-statbar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  divide-style: solid;
}
.st-stat-item {
  padding: 32px 24px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.07);
  position: relative;
}
.st-stat-item:last-child { border-right: none; }
.st-stat-num {
  font-size: clamp(32px, 3.5vw, 52px);
  font-weight: 800;
  letter-spacing: -.02em;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}
.st-stat-num .st-accent { color: var(--accent-mid); }
.st-stat-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.38);
}

/* ══════════════════════════════════════════════════════════════════
   CATEGORIES — GRID-CARDS
   ══════════════════════════════════════════════════════════════════ */
.st-cats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
}
.st-cat-card {
  position: relative;
  overflow: hidden;
  background: #ddd;
  cursor: pointer;
}
.st-cat-card:nth-child(1),
.st-cat-card:nth-child(2) { aspect-ratio: 4/5; }
.st-cat-card:nth-child(3) { aspect-ratio: 4/5; }
.st-cat-card:nth-child(4),
.st-cat-card:nth-child(5),
.st-cat-card:nth-child(6) { aspect-ratio: 3/2; }
.st-cat-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.st-cat-card:hover img { transform: scale(1.08); }
.st-cat-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg,
    rgba(0,0,0,.7) 0%,
    rgba(0,0,0,.15) 55%,
    transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px 20px;
  transition: background .3s;
}
.st-cat-card:hover .st-cat-overlay {
  background: linear-gradient(0deg,
    rgba(0, 82, 255, .72) 0%,
    rgba(0, 82, 255, .2) 55%,
    transparent 100%);
}
.st-cat-name {
  font-size: clamp(16px, 2vw, 24px);
  font-weight: 800;
  letter-spacing: .02em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 4px;
}
.st-cat-count {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
}
.st-cat-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-top: 8px;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity .3s, transform .3s;
}
.st-cat-card:hover .st-cat-arrow { opacity: 1; transform: translateX(0); }

/* ══════════════════════════════════════════════════════════════════
   FEATURED PRODUCTS — BENTO-GRID
   ══════════════════════════════════════════════════════════════════ */
.st-bento {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: auto;
  gap: 3px;
}
.st-bento-large {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
}
.st-bento-large .st-prod-thumb { aspect-ratio: 2/3; }
.st-bento-small .st-prod-thumb { aspect-ratio: 1/1; }

/* ══════════════════════════════════════════════════════════════════
   BRAND STORY — ALTERNATING-STRIPS
   ══════════════════════════════════════════════════════════════════ */
.st-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 520px;
}
.st-strip-img {
  position: relative;
  overflow: hidden;
  background: #e0e0e0;
}
.st-strip-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s;
}
.st-strip:hover .st-strip-img img { transform: scale(1.04); }
.st-strip-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(40px, 6vw, 96px);
  background: var(--surface);
}
.st-strip-content.st-dark {
  background: var(--dark);
}
.st-strip-content.st-dark .st-eyebrow { color: var(--accent-mid); }
.st-strip-content.st-dark .st-sec-title { color: #fff; }
.st-strip-content.st-dark .st-sec-sub { color: rgba(255,255,255,.55); }
.st-strip-watermark {
  font-size: clamp(72px, 12vw, 160px);
  font-weight: 800;
  letter-spacing: -.04em;
  color: rgba(0,0,0,.04);
  line-height: 1;
  margin-bottom: -20px;
  text-transform: uppercase;
}
.st-strip-content.st-dark .st-strip-watermark { color: rgba(255,255,255,.04); }
.st-strip-features { margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }
.st-strip-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-2);
}
.st-strip-content.st-dark .st-strip-feature { color: rgba(255,255,255,.6); }
.st-strip-feature i { color: var(--accent); font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.st-strip-content.st-dark .st-strip-feature i { color: var(--accent-mid); }

/* ══════════════════════════════════════════════════════════════════
   PROMO BANNER — FULL-BLEED with Countdown
   ══════════════════════════════════════════════════════════════════ */
.st-promo {
  background: var(--dark2);
  position: relative;
  overflow: hidden;
  padding: clamp(60px, 9vw, 104px) 0;
}
.st-promo::before {
  content: 'SALE';
  position: absolute;
  right: -2%;
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(140px, 20vw, 300px);
  font-weight: 800;
  letter-spacing: -.04em;
  color: rgba(255,255,255,.025);
  text-transform: uppercase;
  pointer-events: none;
  line-height: 1;
  white-space: nowrap;
}
.st-promo-inner { text-align: center; position: relative; z-index: 1; }
.st-promo-tag {
  display: inline-block;
  padding: 5px 16px;
  background: var(--sale);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 20px;
}
.st-promo-heading {
  font-size: clamp(40px, 7.5vw, 100px);
  font-weight: 800;
  letter-spacing: -.03em;
  text-transform: uppercase;
  color: #fff;
  line-height: 1.0;
  margin-bottom: 18px;
}
.st-promo-heading span { color: var(--accent-mid); }
.st-promo-desc {
  font-size: 15px;
  font-weight: 400;
  color: rgba(255,255,255,.5);
  max-width: 440px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
/* Countdown */
.st-countdown {
  display: inline-flex;
  align-items: flex-start;
  gap: 4px;
  margin-bottom: 40px;
}
.st-countdown-unit { text-align: center; padding: 0 12px; }
.st-countdown-num {
  display: block;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -.02em;
  color: #fff;
  line-height: 1;
  min-width: 2ch;
}
.st-countdown-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.32);
  margin-top: 5px;
}
.st-countdown-sep {
  font-size: clamp(28px, 4.5vw, 56px);
  font-weight: 800;
  color: rgba(255,255,255,.2);
  line-height: 1;
  padding-top: 4px;
}

/* ══════════════════════════════════════════════════════════════════
   TESTIMONIALS — HORIZONTAL-SCROLL
   ══════════════════════════════════════════════════════════════════ */
.st-testi-bg { background: var(--surface); }
.st-testi-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 8px 4px 20px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.st-testi-track::-webkit-scrollbar { height: 3px; }
.st-testi-track::-webkit-scrollbar-thumb { background: var(--border); }
.st-testi-card {
  flex: 0 0 360px;
  scroll-snap-align: start;
  padding: 30px;
  border: 1px solid var(--border);
  background: var(--bg);
  display: flex;
  flex-direction: column;
}
.st-testi-stars { display: flex; gap: 3px; margin-bottom: 16px; }
.st-testi-stars i { color: #f59e0b; font-size: 15px; }
.st-testi-quote {
  font-size: 22px;
  font-weight: 800;
  color: var(--border-light);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -.02em;
  flex-shrink: 0;
}
.st-testi-text {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--text-2);
  flex: 1;
  margin-bottom: 24px;
}
.st-testi-author { display: flex; align-items: center; gap: 12px; }
.st-testi-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  flex-shrink: 0;
}
.st-testi-name  { font-size: 14px; font-weight: 700; color: var(--text); }
.st-testi-role  { font-size: 12px; font-weight: 400; color: var(--text-3); margin-top: 2px; }
.st-testi-brand {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 2px;
}

/* ══════════════════════════════════════════════════════════════════
   NEWSLETTER
   ══════════════════════════════════════════════════════════════════ */
.st-newsletter { background: var(--accent); padding: clamp(48px, 6vw, 80px) 0; }
.st-newsletter-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.st-newsletter-heading {
  font-size: clamp(20px, 3vw, 36px);
  font-weight: 800;
  letter-spacing: -.02em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 6px;
}
.st-newsletter-sub { font-size: 14px; color: rgba(255,255,255,.65); }
.st-newsletter-form {
  display: flex;
  flex: 1;
  max-width: 480px;
  min-width: 280px;
}
.st-newsletter-form input {
  flex: 1;
  padding: 14px 18px;
  font-size: 14px;
  font-family: var(--sans);
  border: 2px solid rgba(255,255,255,.3);
  border-right: none;
  background: rgba(255,255,255,.1);
  color: #fff;
  outline: none;
  transition: border-color .2s, background .2s;
}
.st-newsletter-form input::placeholder { color: rgba(255,255,255,.48); }
.st-newsletter-form input:focus { border-color: rgba(255,255,255,.7); background: rgba(255,255,255,.15); }
.st-newsletter-form button {
  padding: 14px 22px;
  background: #fff;
  color: var(--accent);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  border: 2px solid #fff;
  cursor: pointer;
  white-space: nowrap;
  transition: background .2s, color .2s;
}
.st-newsletter-form button:hover { background: var(--dark); color: #fff; border-color: var(--dark); }

/* ══════════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════════ */
.st-footer {
  background: var(--dark);
  color: rgba(255,255,255,.6);
  padding: clamp(56px, 7vw, 96px) 0 0;
}
.st-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.st-footer-logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 16px;
}
.st-footer-logo span { color: var(--accent-mid); }
.st-footer-desc {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,.45);
  max-width: 270px;
  margin-bottom: 24px;
}
.st-footer-socials { display: flex; gap: 8px; }
.st-footer-social {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255,255,255,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: rgba(255,255,255,.45);
  transition: all .2s;
}
.st-footer-social:hover { border-color: var(--accent); background: var(--accent); color: #fff; }
.st-footer-col-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.st-footer-links { display: flex; flex-direction: column; gap: 10px; }
.st-footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,.45);
  transition: color .2s;
}
.st-footer-links a:hover { color: #fff; }
.st-footer-contact-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  color: rgba(255,255,255,.45);
  margin-bottom: 12px;
}
.st-footer-contact-row i { color: var(--accent-mid); flex-shrink: 0; font-size: 15px; margin-top: 2px; }
.st-footer-bottom {
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: rgba(255,255,255,.3);
}
.st-pay-badges { display: flex; gap: 8px; align-items: center; }
.st-pay-badge {
  padding: 4px 10px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
}

/* ══════════════════════════════════════════════════════════════════
   PAGE HERO (dùng cho san-pham, gio-hang, lien-he)
   ══════════════════════════════════════════════════════════════════ */
.st-page-hero {
  background: var(--dark);
  padding: 104px 0 48px;
}
.st-page-title {
  font-size: clamp(32px, 5.5vw, 72px);
  font-weight: 800;
  letter-spacing: -.03em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 12px;
}
.st-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: rgba(255,255,255,.38);
}
.st-breadcrumb a { color: rgba(255,255,255,.38); transition: color .2s; }
.st-breadcrumb a:hover { color: rgba(255,255,255,.75); }

/* ══════════════════════════════════════════════════════════════════
   PRODUCT LISTING (san-pham.html)
   ══════════════════════════════════════════════════════════════════ */
.st-shop-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: start;
}
.st-filter-sidebar {
  position: sticky;
  top: 88px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px;
}
.st-filter-hd {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--text);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.st-filter-clear { font-size: 11px; letter-spacing: .08em; color: var(--accent); cursor: pointer; font-weight: 700; }
.st-filter-group { margin-bottom: 22px; }
.st-filter-group-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 12px;
}
.st-filter-opt {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  padding: 6px 0;
  transition: color .15s;
}
.st-filter-opt:hover { color: var(--text); }
.st-filter-opt input[type="checkbox"] { accent-color: var(--accent); width: 14px; height: 14px; cursor: pointer; }
.st-filter-colors { display: flex; gap: 8px; flex-wrap: wrap; padding: 4px 0; }
.st-filter-swatch {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid transparent;
  outline: 2px solid transparent;
  cursor: pointer;
  transition: all .15s;
}
.st-filter-swatch:hover, .st-filter-swatch.active { outline-color: var(--dark); outline-offset: 2px; }

.st-shop-main {}
.st-shop-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.st-result-count { font-size: 13px; font-weight: 600; color: var(--text-3); }
.st-bar-right { display: flex; align-items: center; gap: 10px; }
.st-sort-sel {
  padding: 8px 30px 8px 12px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  outline: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23545454' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}
.st-view-toggle { display: flex; }
.st-view-btn {
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-3);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 15px;
  transition: all .15s;
}
.st-view-btn:first-child { border-right: none; }
.st-view-btn.active { background: var(--dark); color: #fff; border-color: var(--dark); }
.st-active-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.st-filter-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  background: var(--accent-light);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--accent);
}
.st-filter-tag button { font-size: 14px; line-height: 1; font-weight: 700; color: var(--accent); cursor: pointer; }

.st-prods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
}
.st-pagination {
  display: flex;
  gap: 4px;
  justify-content: center;
  margin-top: 48px;
  align-items: center;
}
.st-page-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  cursor: pointer;
  transition: all .15s;
}
.st-page-btn:hover, .st-page-btn.st-active { background: var(--accent); color: #fff; border-color: var(--accent); }
.st-page-btn.st-wide { width: auto; padding: 0 12px; }

/* ══════════════════════════════════════════════════════════════════
   PRODUCT DETAIL (chi-tiet-san-pham.html)
   ══════════════════════════════════════════════════════════════════ */
.st-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.st-gallery-main {
  aspect-ratio: 3/4;
  overflow: hidden;
  background: #ebebeb;
  border: 1px solid var(--border);
  margin-bottom: 8px;
  cursor: zoom-in;
  position: relative;
}
.st-gallery-main img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.st-gallery-main:hover img { transform: scale(1.05); }
.st-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.st-thumb {
  aspect-ratio: 3/4;
  overflow: hidden;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: border-color .15s;
  background: #ebebeb;
}
.st-thumb img { width: 100%; height: 100%; object-fit: cover; }
.st-thumb:hover { border-color: var(--dark); }
.st-thumb.st-active { border-color: var(--accent); }

.st-detail-info { position: sticky; top: 88px; }
.st-detail-brand {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.st-detail-title {
  font-size: clamp(22px, 3.5vw, 42px);
  font-weight: 800;
  letter-spacing: -.02em;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 18px;
}
.st-detail-price {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.st-d-price-now { font-size: clamp(24px, 3vw, 38px); font-weight: 800; color: var(--text); }
.st-d-price-old { font-size: 17px; font-weight: 400; color: var(--text-3); text-decoration: line-through; }
.st-d-price-save { font-size: 13px; font-weight: 700; color: var(--sale); background: var(--sale-light); padding: 3px 8px; }
.st-detail-rating { display: flex; align-items: center; gap: 8px; margin-bottom: 22px; }
.st-rating-stars { display: flex; gap: 2px; }
.st-rating-stars i { font-size: 14px; color: #f59e0b; }
.st-rating-count { font-size: 12px; font-weight: 600; color: var(--text-3); }
.st-divider { height: 1px; background: var(--border); margin: 20px 0; }

.st-opt-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.st-opt-label a { font-size: 11px; color: var(--accent); font-weight: 700; letter-spacing: .06em; }
.st-size-grid { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.st-size-btn {
  min-width: 44px;
  height: 44px;
  padding: 0 10px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  transition: all .15s;
}
.st-size-btn:hover { border-color: var(--dark); }
.st-size-btn.active { background: var(--dark); color: #fff; border-color: var(--dark); }
.st-size-btn:disabled { opacity: .3; cursor: not-allowed; }

.st-qty-row { display: flex; gap: 10px; align-items: center; margin-bottom: 18px; }
.st-qty-ctrl { display: flex; border: 1.5px solid var(--border); }
.st-qty-ctrl button {
  width: 40px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  transition: background .15s;
}
.st-qty-ctrl button:hover { background: var(--border-light); }
.st-qty-ctrl input {
  width: 48px;
  height: 44px;
  text-align: center;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  border: none;
  border-left: 1.5px solid var(--border);
  border-right: 1.5px solid var(--border);
  outline: none;
  background: var(--surface);
}
.st-detail-ctas { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.st-detail-ctas .st-btn { flex: 1; min-width: 130px; justify-content: center; }
.st-detail-trust {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 16px;
}
.st-trust-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-2);
  letter-spacing: .04em;
}
.st-trust-item i { color: var(--accent); font-size: 16px; }

/* Product Tabs */
.st-tabs { margin-top: 64px; }
.st-tab-nav {
  display: flex;
  border-bottom: 2px solid var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.st-tab-btn {
  padding: 13px 22px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-3);
  background: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  transition: color .2s;
}
.st-tab-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform .2s;
}
.st-tab-btn.active { color: var(--text); }
.st-tab-btn.active::after { transform: scaleX(1); }
.st-tab-panel { display: none; padding: 32px 0; }
.st-tab-panel.active { display: block; }
.st-specs-table { width: 100%; border-collapse: collapse; }
.st-specs-table tr { border-bottom: 1px solid var(--border); }
.st-specs-table td { padding: 12px 16px; font-size: 14px; vertical-align: top; }
.st-specs-table td:first-child { font-weight: 700; color: var(--text-2); width: 200px; background: var(--bg); }
.st-review-item { padding: 24px 0; border-bottom: 1px solid var(--border); }
.st-review-top { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 12px; }
.st-review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  flex-shrink: 0;
}
.st-review-name { font-size: 14px; font-weight: 700; color: var(--text); }
.st-review-date { font-size: 12px; color: var(--text-3); margin-top: 2px; }
.st-review-text { font-size: 14px; color: var(--text-2); line-height: 1.7; }

/* ══════════════════════════════════════════════════════════════════
   CART (gio-hang.html)
   ══════════════════════════════════════════════════════════════════ */
.st-cart-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  align-items: start;
}
.st-cart-table-wrap { overflow-x: auto; }
.st-cart-table { width: 100%; border-collapse: collapse; min-width: 480px; }
.st-cart-table th {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 10px 16px;
  text-align: left;
  border-bottom: 2px solid var(--border);
}
.st-cart-table td {
  padding: 20px 16px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}
.st-cart-item-wrap { display: flex; gap: 16px; align-items: flex-start; }
.st-cart-img {
  width: 68px;
  height: 88px;
  object-fit: cover;
  background: #ebebeb;
  flex-shrink: 0;
  border: 1px solid var(--border);
  display: block;
}
.st-cart-name { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.st-cart-meta { font-size: 12px; color: var(--text-3); line-height: 1.5; }
.st-cart-price { font-size: 16px; font-weight: 800; color: var(--text); white-space: nowrap; }
.st-cart-del {
  background: none;
  border: none;
  color: var(--text-3);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  transition: color .15s;
}
.st-cart-del:hover { color: var(--sale); }

.st-cart-summary {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 28px;
  position: sticky;
  top: 88px;
}
.st-sum-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--text);
  margin-bottom: 20px;
}
.st-sum-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 12px;
}
.st-sum-row span:last-child { font-weight: 700; }
.st-sum-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 2px solid var(--text);
  padding-top: 16px;
  margin-top: 4px;
}
.st-sum-total-label { font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.st-sum-total-val { font-size: 22px; font-weight: 800; }
.st-coupon-row { display: flex; margin-bottom: 24px; }
.st-coupon-row input {
  flex: 1;
  padding: 11px 14px;
  font-family: var(--sans);
  font-size: 13px;
  border: 1.5px solid var(--border);
  border-right: none;
  outline: none;
  transition: border-color .2s;
}
.st-coupon-row input:focus { border-color: var(--accent); }
.st-coupon-row button {
  padding: 11px 16px;
  background: var(--dark);
  color: #fff;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  border: 1.5px solid var(--dark);
  cursor: pointer;
  transition: background .2s;
}
.st-coupon-row button:hover { background: var(--accent); border-color: var(--accent); }
.st-checkout-note { font-size: 11px; color: var(--text-3); text-align: center; margin-top: 14px; line-height: 1.6; }

/* ══════════════════════════════════════════════════════════════════
   CONTACT (lien-he.html)
   ══════════════════════════════════════════════════════════════════ */
.st-contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: start;
}
.st-form-group { margin-bottom: 20px; }
.st-form-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 8px;
}
.st-form-input {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 400;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  outline: none;
  border-radius: 0;
  transition: border-color .2s;
  display: block;
}
.st-form-input:focus { border-color: var(--accent); }
.st-form-input::placeholder { color: var(--text-3); }
textarea.st-form-input { resize: vertical; min-height: 130px; }
.st-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.st-form-select {
  width: 100%;
  padding: 12px 32px 12px 16px;
  font-family: var(--sans);
  font-size: 14px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  outline: none;
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23545454' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  transition: border-color .2s;
}
.st-form-select:focus { border-color: var(--accent); }
.st-contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
}
.st-ci-icon {
  width: 46px;
  height: 46px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
}
.st-ci-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 4px;
}
.st-ci-val { font-size: 15px; font-weight: 700; color: var(--text); line-height: 1.5; }
.st-map-box {
  background: #e0e0e0;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 32px;
  border: 2px dashed var(--border);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-3);
  overflow: hidden;
}

/* FAQ Accordion */
.st-faq-item { border-bottom: 1px solid var(--border); }
.st-faq-q {
  width: 100%;
  text-align: left;
  padding: 18px 0;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: color .2s;
}
.st-faq-q:hover { color: var(--accent); }
.st-faq-icon {
  font-size: 22px;
  font-weight: 300;
  color: var(--text-3);
  transition: transform .25s, color .2s;
  flex-shrink: 0;
  line-height: 1;
}
.st-faq-item.open .st-faq-q { color: var(--accent); }
.st-faq-item.open .st-faq-icon { transform: rotate(45deg); color: var(--accent); }
.st-faq-a {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.75;
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s;
}
.st-faq-item.open .st-faq-a { max-height: 280px; padding-bottom: 18px; }

/* ══════════════════════════════════════════════════════════════════
   ZALO FLOAT
   ══════════════════════════════════════════════════════════════════ */
.st-zalo-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 800;
  width: 52px;
  height: 52px;
  background: #0068FF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 104, 255, .45);
  transition: transform .2s, box-shadow .2s;
}
.st-zalo-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(0, 104, 255, .6); }
.st-zalo-float img { width: 30px; height: 30px; border-radius: 50%; }

/* ══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════ */
@media (max-width: 1200px) {
  .st-hero-grid { height: 480px; }
  .st-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .st-bento { grid-template-columns: 1.5fr 1fr 1fr; }
}

@media (max-width: 1024px) {
  .st-hero-grid { height: 400px; }
  .st-shop-layout { grid-template-columns: 200px 1fr; }
  .st-prods-grid { grid-template-columns: repeat(2, 1fr); }
  .st-cart-layout { grid-template-columns: 1fr 300px; }
  .st-detail-layout { gap: 32px; }
}

@media (max-width: 768px) {
  .st-nav-links,
  .st-nav-actions .st-btn { display: none; }
  .st-burger { display: flex; }

  .st-hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .st-hero-grid {
    order: -1;
    height: 280px;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
  }
  .st-hero-grid-item:nth-child(1) { grid-row: 1/2; }
  .st-hero-grid-item:nth-child(3),
  .st-hero-grid-item:nth-child(4) { display: none; }

  .st-statbar-grid { grid-template-columns: repeat(2, 1fr); }
  .st-stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.07); }
  .st-stat-item:last-child, .st-stat-item:nth-child(3) { border-bottom: none; }

  .st-cats-grid { grid-template-columns: repeat(2, 1fr); }
  .st-cat-card { aspect-ratio: 4/5 !important; }

  .st-bento { grid-template-columns: 1fr 1fr; }
  .st-bento-large { grid-column: 1/3; grid-row: 1/2; }
  .st-bento-large .st-prod-thumb { aspect-ratio: 4/3; }

  .st-strip { grid-template-columns: 1fr; min-height: auto; }
  .st-strip-img { height: 280px; }
  .st-strip-content { padding: 36px 28px; }

  .st-newsletter-inner { flex-direction: column; gap: 24px; }
  .st-newsletter-form { min-width: 0; width: 100%; max-width: 100%; }

  .st-footer-grid { grid-template-columns: 1fr 1fr; }

  .st-shop-layout { grid-template-columns: 1fr; }
  .st-filter-sidebar { display: none; }

  .st-detail-layout { grid-template-columns: 1fr; }
  .st-detail-info { position: static; }

  .st-cart-layout { grid-template-columns: 1fr; }
  .st-cart-summary { position: static; }

  .st-contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .st-form-row { grid-template-columns: 1fr; }

  .st-footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .st-cats-grid { grid-template-columns: 1fr 1fr; }
  .st-footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .st-prods-grid { grid-template-columns: repeat(2, 1fr); }
  .st-gallery-thumbs { grid-template-columns: repeat(3, 1fr); }
  .st-bento { grid-template-columns: 1fr; }
  .st-bento-large { grid-column: 1/2; }
}