/* ══════════════════════════════════════════════════════════════════
   PET HAUS — shop-thu-cung — GEOMETRIC-MODERN (biến thể Coral+Charcoal)
   Font: Unbounded (heading, 700/800/900) + Lexend (body, 300–700)
   Tone: light warm, geometric dividers, sharp borders, two-tone accent
   Accent: Coral #ff6b5b | Phụ: Charcoal #1f2430
   Nav: Nav-6 Full-Width Dark Bar | Homepage: Mode A CATALOG-UNIFIED
   CSS Prefix: tc-
   ══════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700&family=Unbounded:wght@500;600;700;800;900&display=swap');

:root {
  --bg: #faf7f3;
  --surface: #ffffff;
  --surface-2: #f3ede4;
  --dark: #1f2430;
  --dark2: #262c3a;
  --border: #e7e0d5;
  --border-light: #f1ece3;
  --text: #1f2430;
  --text-2: #61666f;
  --text-3: #9a9ea7;
  --accent: #ff6b5b;
  --accent-h: #e6543f;
  --accent-light: #ffe6e0;
  --accent-mid: #ff9382;
  --charcoal: #1f2430;
  --gold: #e8a23e;
  --danger: #e24b4a;
  --head: 'Unbounded', sans-serif;
  --sans: 'Lexend', sans-serif;
  --radius: 4px;
  --radius-lg: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: var(--sans); cursor: pointer; }
input, select, textarea { font-family: var(--sans); }

.tc-container { max-width: 1280px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 56px); }
.tc-sec { padding: clamp(56px, 8vw, 96px) 0; }
.tc-sec-sm { padding: clamp(40px, 6vw, 64px) 0; }
.tc-sec-alt { background: var(--surface-2); }

h1, h2, h3, h4 { font-family: var(--head); letter-spacing: -0.01em; }

/* ── Reveal animation ── */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].visible { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }

/* ══════════════════════════════════════════
   TOPBAR
══════════════════════════════════════════ */
.tc-topbar {
  background: var(--charcoal);
  color: rgba(255,255,255,.78);
  font-size: 12.5px;
  letter-spacing: .03em;
  text-align: center;
  padding: 8px 0;
}
.tc-topbar-inner { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.tc-topbar-sep { opacity: .4; }

/* ══════════════════════════════════════════
   NAV-6 — Full-Width Dark Bar (always solid, fixed)
══════════════════════════════════════════ */
#tcNav {
  position: fixed; top: 33px; left: 0; right: 0; z-index: 990;
  background: var(--dark2);
  border-bottom: 1px solid rgba(255,255,255,.07);
  transition: top .25s ease;
}
/* Topbar chỉ hiện khi ở đỉnh trang (scroll=0) rồi cuộn ra khỏi flow bình thường —
   #tcNav là fixed nên KHÔNG tự trôi theo, phải JS toggle .scrolled trên <body>
   để kéo nav lên sát mép trên khi topbar không còn hiện, tránh để trống 1 khoảng
   33px vĩnh viễn. Xem thêm body.scrolled .tc-filter-wrap bên dưới. */
body.scrolled #tcNav { top: 0; }
.tc-nav-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 56px);
  height: 74px; display: flex; align-items: center; gap: 32px;
}
.tc-logo {
  font-family: var(--head); font-weight: 800; font-size: 20px; color: #fff;
  display: flex; align-items: center; gap: 8px; white-space: nowrap;
}
.tc-logo-dot { width: 10px; height: 10px; background: var(--accent); border-radius: 2px; transform: rotate(45deg); flex-shrink: 0; }
.tc-nav-links { display: flex; gap: 28px; margin-left: 8px; }
.tc-nav-links a {
  color: rgba(255,255,255,.6); font-size: 14.5px; font-weight: 500; position: relative;
  padding: 4px 0; transition: color .2s;
}
.tc-nav-links a:hover, .tc-nav-links a.active { color: #fff; }
.tc-nav-links a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; background: var(--accent);
}
.tc-nav-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.tc-nav-btn {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius);
  color: rgba(255,255,255,.85); transition: all .2s;
}
.tc-nav-btn:hover { border-color: var(--accent); color: var(--accent); }
.tc-nav-btn svg { width: 18px; height: 18px; }
.tc-cart-count {
  position: absolute; top: -6px; right: -6px; background: var(--accent); color: #fff;
  font-size: 10px; font-weight: 700; width: 17px; height: 17px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.tc-burger {
  display: none; width: 40px; height: 40px; background: transparent; border: none;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.tc-burger span { width: 22px; height: 2px; background: #fff; transition: all .25s; }
.tc-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.tc-burger.open span:nth-child(2) { opacity: 0; }
.tc-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.tc-mob-nav {
  position: fixed; top: 107px; left: 0; right: 0; bottom: 0; background: var(--dark2);
  z-index: 985; transform: translateY(-8px); opacity: 0; visibility: hidden;
  transition: all .25s; overflow-y: auto; padding: 24px;
}
.tc-mob-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
.tc-mob-nav a { display: block; padding: 14px 4px; color: rgba(255,255,255,.8); font-size: 17px; font-weight: 500; border-bottom: 1px solid rgba(255,255,255,.06); }
.tc-mob-nav a.active { color: var(--accent); }
.tc-mob-nav-sep { height: 1px; background: rgba(255,255,255,.08); margin: 16px 0; }
.tc-mob-nav-footer a { font-size: 14px; color: rgba(255,255,255,.5); padding: 10px 4px; border-bottom: none; }

.tc-nav-search-panel {
  position: fixed; top: 107px; left: 0; right: 0; background: var(--dark2);
  border-bottom: 1px solid rgba(255,255,255,.08); z-index: 986; padding: 16px 0;
}
.tc-nav-search-panel input {
  flex: 1; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15);
  color: #fff; padding: 11px 16px; border-radius: var(--radius); font-size: 14px;
}
.tc-nav-search-panel input::placeholder { color: rgba(255,255,255,.4); }

/* ══════════════════════════════════════════
   THIN BANNER — Homepage Mode A (không hero fullscreen)
══════════════════════════════════════════ */
.tc-banner {
  margin-top: 107px;
  position: relative; overflow: hidden;
  background: var(--dark);
  padding: clamp(48px, 7vw, 80px) 0 clamp(40px, 6vw, 56px);
}
.tc-banner::before {
  content: ''; position: absolute; top: -60px; right: -60px; width: 320px; height: 320px;
  background: var(--accent); opacity: .16; transform: rotate(45deg); border-radius: 24px;
}
.tc-banner::after {
  content: ''; position: absolute; bottom: -100px; left: 10%; width: 200px; height: 200px;
  border: 2px solid rgba(255,255,255,.08); transform: rotate(20deg); border-radius: 24px;
}
.tc-banner-inner { position: relative; z-index: 2; display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px; }
.tc-banner-tag {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .08em; color: var(--accent-mid); margin-bottom: 14px;
}
.tc-banner-tag::before { content: ''; width: 18px; height: 2px; background: var(--accent); }
.tc-banner h1 {
  font-size: clamp(28px, 4vw, 44px); font-weight: 800; color: #fff; line-height: 1.15; max-width: 640px;
}
.tc-banner h1 em { color: var(--accent); font-style: normal; }
.tc-banner-desc { color: rgba(255,255,255,.62); font-size: 15px; max-width: 480px; margin-top: 12px; }
.tc-banner-search {
  display: flex; gap: 0; background: #fff; border-radius: var(--radius); overflow: hidden;
  min-width: 320px; max-width: 420px; flex: 1;
}
.tc-banner-search input { flex: 1; border: none; padding: 15px 18px; font-size: 14.5px; outline: none; }
.tc-banner-search button {
  background: var(--accent); color: #fff; border: none; padding: 0 22px; font-weight: 600;
  font-size: 14px; display: flex; align-items: center; gap: 6px; transition: background .2s;
}
.tc-banner-search button:hover { background: var(--accent-h); }

/* ══════════════════════════════════════════
   BREADCRUMB (trang phụ)
══════════════════════════════════════════ */
.tc-breadcrumb { margin-top: 107px; padding: 18px 0; background: var(--surface-2); border-bottom: 1px solid var(--border); }
.tc-breadcrumb a { color: var(--text-2); font-size: 13.5px; }
.tc-breadcrumb a:hover { color: var(--accent); }
.tc-bc-sep { margin: 0 8px; color: var(--text-3); }
.tc-breadcrumb span:last-child { color: var(--text); font-weight: 500; font-size: 13.5px; }

/* ══════════════════════════════════════════
   PAGE HEADER (dùng cho bo-suu-tap / khuyen-mai / ve-chung-toi / lien-he)
══════════════════════════════════════════ */
.tc-page-header {
  padding: clamp(40px, 6vw, 64px) 0; background: var(--dark); position: relative; overflow: hidden;
}
.tc-page-header::before {
  content: ''; position: absolute; top: -40px; left: 6%; width: 160px; height: 160px;
  background: var(--accent); opacity: .14; border-radius: 20px; transform: rotate(30deg);
}
.tc-page-header-inner { position: relative; z-index: 2; }
.tc-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .08em; color: var(--accent-mid); margin-bottom: 12px;
}
.tc-eyebrow::before { content: ''; width: 18px; height: 2px; background: var(--accent); }
.tc-page-header h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; color: #fff; }
.tc-page-header p { color: rgba(255,255,255,.6); font-size: 15px; max-width: 560px; margin-top: 10px; }

/* ══════════════════════════════════════════
   SECTION HEADER (chung)
══════════════════════════════════════════ */
.tc-sec-header { max-width: 620px; margin-bottom: 40px; }
.tc-sec-header.tc-center { max-width: 640px; margin-left: auto; margin-right: auto; text-align: center; }
.tc-sec-header.tc-split { display: flex; justify-content: space-between; align-items: flex-end; max-width: none; gap: 24px; flex-wrap: wrap; }
.tc-sec-title { font-size: clamp(24px, 3.2vw, 36px); font-weight: 700; line-height: 1.2; }
.tc-sec-title em { color: var(--accent); font-style: normal; }
.tc-sec-sub { color: var(--text-2); font-size: 15px; margin-top: 10px; }

/* ══════════════════════════════════════════
   BUTTONS — Geometric-Modern (sharp, hover rotate)
══════════════════════════════════════════ */
.tc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--sans); font-weight: 600; font-size: 14px; padding: 13px 26px;
  border-radius: var(--radius); border: none; transition: all .2s; white-space: nowrap;
}
.tc-btn-primary { background: var(--accent); color: #fff; }
.tc-btn-primary:hover { background: var(--accent-h); transform: rotate(-1deg); }
.tc-btn-dark { background: var(--charcoal); color: #fff; }
.tc-btn-dark:hover { transform: rotate(1deg); }
.tc-btn-outline { background: transparent; border: 1.5px solid rgba(255,255,255,.3); color: #fff; }
.tc-btn-outline:hover { border-color: #fff; }
.tc-btn-ghost { background: transparent; border: 1.5px solid var(--border); color: var(--text); }
.tc-btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.tc-btn-lg { padding: 15px 30px; font-size: 15px; }
.tc-btn-sm { padding: 9px 18px; font-size: 13px; }
.tc-btn-block { width: 100%; }

/* ══════════════════════════════════════════
   FILTER TOOLBAR (ngang, phía trên lưới sản phẩm)
══════════════════════════════════════════ */
.tc-filter-wrap { background: var(--surface); border-bottom: 1px solid var(--border); padding: 18px 0; position: sticky; top: 107px; z-index: 80; transition: top .25s ease; }
/* Nav đã tụt về top:0 sau khi cuộn (xem body.scrolled #tcNav) → filter wrap sticky
   chỉ cần chừa đúng chiều cao nav (74px), không còn cộng thêm 33px topbar nữa. */
body.scrolled .tc-filter-wrap { top: 74px; }
.tc-filter-row1 { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.tc-cat-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.tc-cat-pill {
  background: var(--surface-2); border: 1.5px solid transparent; color: var(--text-2);
  font-size: 13px; font-weight: 600; padding: 9px 16px; border-radius: 999px; transition: all .2s;
}
.tc-cat-pill:hover { border-color: var(--accent-mid); }
.tc-cat-pill.active { background: var(--charcoal); color: #fff; }

.tc-filter-sep { width: 1px; height: 26px; background: var(--border); margin: 0 4px; }

.tc-dropdown { position: relative; }
.tc-drop-btn {
  background: var(--surface); border: 1.5px solid var(--border); color: var(--text);
  font-size: 13px; font-weight: 600; padding: 9px 16px; border-radius: var(--radius);
  display: inline-flex; align-items: center; gap: 6px; transition: all .2s;
}
.tc-drop-btn::after { content: '▾'; font-size: 10px; color: var(--text-3); }
.tc-drop-btn:hover { border-color: var(--accent); }
.tc-drop-btn.has-filter { border-color: var(--accent); background: var(--accent-light); color: var(--accent-h); }
.dropdown-menu.tc-drop-menu {
  border-radius: var(--radius-lg); border: 1px solid var(--border); box-shadow: 0 14px 40px rgba(31,36,48,.12);
  padding: 14px; min-width: 200px;
}
.tc-drop-menu .form-check { display: flex; align-items: center; gap: 8px; padding: 6px 20px; margin: 0; }
.tc-drop-menu .form-check-input { width: 16px; height: 16px; border-radius: 3px; }
.tc-drop-menu .form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }
.tc-drop-menu .form-check-label { font-size: 13.5px; color: var(--text); cursor: pointer; }

.tc-price-labels { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--text-2); margin-bottom: 8px; }
.tc-range { width: 100%; accent-color: var(--accent); }

.tc-sort-select {
  background: var(--surface); border: 1.5px solid var(--border); color: var(--text);
  font-size: 13px; font-weight: 600; padding: 9px 14px; border-radius: var(--radius); cursor: pointer;
}

.tc-filter-row2 { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 14px; min-height: 20px; }
.tc-chips-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.tc-chip {
  display: inline-flex; align-items: center; gap: 6px; background: var(--accent-light); color: var(--accent-h);
  font-size: 12.5px; font-weight: 600; padding: 6px 10px 6px 12px; border-radius: 999px;
}
.tc-chip-close { background: none; border: none; color: var(--accent-h); font-size: 15px; line-height: 1; padding: 0 2px; }
.tc-chip-clear { background: none; border: none; color: var(--text-2); font-size: 12.5px; font-weight: 600; text-decoration: underline; }
.tc-result-count { font-size: 13px; color: var(--text-2); }

.tc-filter-mobile { display: none; align-items: center; gap: 10px; }
.tc-btn-filter {
  position: relative; display: inline-flex; align-items: center; gap: 8px; background: var(--charcoal);
  color: #fff; border: none; padding: 10px 18px; border-radius: var(--radius); font-size: 13.5px; font-weight: 600;
}
.tc-filter-badge {
  background: var(--accent); color: #fff; font-size: 10px; font-weight: 700; width: 17px; height: 17px;
  border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; margin-left: 2px;
}

.tc-offcanvas .offcanvas-body { padding: 20px; }
.tc-oc-section { margin-bottom: 22px; padding-bottom: 22px; border-bottom: 1px solid var(--border-light); }
.tc-oc-section:last-of-type { border-bottom: none; }
.tc-oc-section-title { font-weight: 700; font-size: 14px; margin-bottom: 12px; }

/* ══════════════════════════════════════════
   CATALOG SECTION / PRODUCT GRID
══════════════════════════════════════════ */
.tc-catalog-section { padding: 32px 0 clamp(56px, 8vw, 96px); }
.tc-product-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 8px;
}
.tc-prod-card {
  background: var(--surface); border: 1px solid var(--border); border-top: 4px solid var(--charcoal);
  border-radius: var(--radius); overflow: hidden; transition: all .25s;
}
.tc-prod-card:hover { border-top-color: var(--accent); border-color: var(--accent-mid); transform: translateY(-4px); box-shadow: 0 16px 36px rgba(31,36,48,.1); }
.tc-prod-img-wrap { position: relative; display: block; aspect-ratio: 1/1; overflow: hidden; background: var(--surface-2); }
.tc-prod-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.tc-prod-card:hover .tc-prod-img-wrap img { transform: scale(1.06); }
.tc-badge { position: absolute; top: 10px; left: 10px; font-size: 11px; font-weight: 700; padding: 5px 10px; border-radius: 3px; color: #fff; text-transform: uppercase; letter-spacing: .03em; }
.tc-badge-sale { background: var(--accent); }
.tc-badge-new { background: var(--charcoal); }
.tc-badge-hot { background: var(--gold); }
.tc-prod-body { padding: 16px; }
.tc-prod-cat { font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--text-3); margin-bottom: 6px; }
.tc-prod-name { font-family: var(--sans); font-size: 14.5px; font-weight: 600; line-height: 1.4; margin-bottom: 8px; min-height: 41px; }
.tc-prod-name a:hover { color: var(--accent); }
.tc-prod-rating { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-2); margin-bottom: 10px; }
.tc-stars { color: var(--gold); letter-spacing: 1px; }
.tc-prod-price { display: flex; align-items: baseline; gap: 8px; margin-bottom: 12px; }
.tc-price { font-weight: 700; font-size: 16px; color: var(--text); }
.tc-price.sale { color: var(--accent); }
.tc-price-orig { font-size: 12.5px; color: var(--text-3); text-decoration: line-through; }
.tc-prod-actions { display: flex; gap: 8px; }
.tc-btn-cart {
  flex: 1; background: var(--charcoal); color: #fff; border: none; padding: 10px 12px;
  border-radius: var(--radius); font-size: 12.5px; font-weight: 600; transition: all .2s;
}
.tc-btn-cart:hover { background: var(--accent); }
.tc-btn-detail { border: 1.5px solid var(--border); border-radius: var(--radius); padding: 10px 12px; font-size: 12.5px; font-weight: 600; color: var(--text); }
.tc-btn-detail:hover { border-color: var(--accent); color: var(--accent); }

.tc-empty-state { display: none; text-align: center; padding: 80px 0; }
.tc-empty-state.visible { display: block; }
.tc-empty-icon { font-size: 48px; margin-bottom: 16px; }
.tc-empty-state h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.tc-empty-state p { color: var(--text-2); font-size: 14px; margin-bottom: 22px; }
.tc-btn-reset { background: var(--accent); color: #fff; border: none; padding: 12px 26px; border-radius: var(--radius); font-weight: 600; font-size: 14px; }

.tc-pagination { display: flex; justify-content: center; gap: 8px; list-style: none; margin-top: 44px; padding: 0; }
.tc-pagination .page-link {
  width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--border); background: var(--surface); color: var(--text); border-radius: var(--radius);
  font-size: 13.5px; font-weight: 600; transition: all .2s;
}
.tc-pagination .page-item.active .page-link { background: var(--charcoal); border-color: var(--charcoal); color: #fff; }
.tc-pagination .page-link:hover { border-color: var(--accent); }

/* ══════════════════════════════════════════
   FEATURE-ICON-ROW
══════════════════════════════════════════ */
.tc-feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.tc-feature { text-align: left; }
.tc-feature-icon {
  width: 52px; height: 52px; display: flex; align-items: center; justify-content: center;
  background: var(--accent-light); color: var(--accent-h); border-radius: var(--radius); margin-bottom: 16px; font-size: 22px;
}
.tc-feature h3 { font-family: var(--sans); font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.tc-feature p { font-size: 13.5px; color: var(--text-2); }

/* ══════════════════════════════════════════
   STAT-BAR
══════════════════════════════════════════ */
.tc-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(32px, 6vw, 64px); text-align: center; }
.tc-stat-num { font-family: var(--head); font-size: clamp(30px, 4vw, 46px); font-weight: 800; color: var(--accent); }
.tc-stat-label { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 6px; text-transform: uppercase; letter-spacing: .04em; }
.tc-stat-bar { background: var(--dark); border-radius: var(--radius-lg); padding: clamp(36px, 5vw, 56px) clamp(24px, 4vw, 48px); }
.tc-stat-bar .tc-stat-label { color: rgba(255,255,255,.55); }

/* ══════════════════════════════════════════
   BENTO-GRID (bo-suu-tap.html)
══════════════════════════════════════════ */
.tc-bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(2, 220px); gap: 18px; }
.tc-bento-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden; display: flex; align-items: flex-end;
  padding: 22px; color: #fff;
}
.tc-bento-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; transition: transform .4s; }
.tc-bento-card:hover img { transform: scale(1.07); }
.tc-bento-card::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(31,36,48,.05) 30%, rgba(31,36,48,.85)); z-index: 1; }
.tc-bento-card-content { position: relative; z-index: 2; }
.tc-bento-card-content h3 { font-family: var(--sans); font-size: 18px; font-weight: 700; }
.tc-bento-card-content span { font-size: 12.5px; color: rgba(255,255,255,.75); }
.tc-bento-1 { grid-column: span 2; grid-row: span 2; }
.tc-bento-2 { grid-column: span 2; grid-row: span 1; }
.tc-bento-3 { grid-column: span 1; grid-row: span 1; }
.tc-bento-4 { grid-column: span 1; grid-row: span 1; }

/* ══════════════════════════════════════════
   HORIZONTAL-SCROLL (brand strip)
══════════════════════════════════════════ */
.tc-hscroll { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 8px; scrollbar-width: thin; }
.tc-hscroll::-webkit-scrollbar { height: 6px; }
.tc-hscroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.tc-brand-card {
  flex: 0 0 180px; background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--radius);
  padding: 22px 16px; text-align: center; transition: all .2s;
}
.tc-brand-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.tc-brand-card strong { display: block; font-family: var(--head); font-weight: 700; font-size: 15px; margin-bottom: 4px; }
.tc-brand-card span { font-size: 12px; color: var(--text-2); }

/* ══════════════════════════════════════════
   LIST-ELEGANT (testimonials)
══════════════════════════════════════════ */
.tc-list-elegant { display: flex; flex-direction: column; }
.tc-list-item { display: grid; grid-template-columns: 64px 1fr auto; gap: 20px; align-items: center; padding: 26px 0; border-bottom: 1px solid var(--border-light); }
.tc-list-item:first-child { border-top: 1px solid var(--border-light); }
.tc-list-avatar { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; }
.tc-list-quote { font-size: 15px; color: var(--text); line-height: 1.6; }
.tc-list-quote em { color: var(--accent); font-style: normal; }
.tc-list-name { font-weight: 700; font-size: 13.5px; margin-top: 8px; }
.tc-list-role { font-size: 12.5px; color: var(--text-3); }
.tc-list-stars { color: var(--gold); font-size: 14px; white-space: nowrap; }

/* ══════════════════════════════════════════
   ALTERNATING-STRIPS (about page)
══════════════════════════════════════════ */
.tc-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 48px 0; border-bottom: 1px solid var(--border-light); }
.tc-strip:last-child { border-bottom: none; }
.tc-strip.tc-rev { direction: rtl; }
.tc-strip.tc-rev > * { direction: ltr; }
.tc-strip-img { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3; }
.tc-strip-img img { width: 100%; height: 100%; object-fit: cover; }
.tc-strip-content h3 { font-size: clamp(20px, 2.6vw, 28px); font-weight: 700; margin-bottom: 14px; }
.tc-strip-content p { color: var(--text-2); font-size: 14.5px; margin-bottom: 10px; }

/* ══════════════════════════════════════════
   TIMELINE
══════════════════════════════════════════ */
.tc-timeline { position: relative; padding-left: 32px; }
.tc-timeline::before { content: ''; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: var(--border); }
.tc-timeline-item { position: relative; padding-bottom: 36px; }
.tc-timeline-item:last-child { padding-bottom: 0; }
.tc-timeline-dot { position: absolute; left: -32px; top: 4px; width: 14px; height: 14px; background: var(--accent); border-radius: 3px; transform: rotate(45deg); }
.tc-timeline-year { font-family: var(--head); font-weight: 700; color: var(--accent); font-size: 14px; margin-bottom: 6px; }
.tc-timeline-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.tc-timeline-item p { color: var(--text-2); font-size: 14px; }

/* ══════════════════════════════════════════
   FAQ ACCORDION
══════════════════════════════════════════ */
.tc-faq { max-width: 780px; margin: 0 auto; }
.tc-faq-item { border-bottom: 1px solid var(--border); }
.tc-faq-item:first-child { border-top: 1px solid var(--border); }
.tc-faq-q {
  width: 100%; text-align: left; background: none; border: none; padding: 20px 4px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-size: 15.5px; font-weight: 600; color: var(--text);
}
.tc-faq-icon { flex-shrink: 0; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; border: 1.5px solid var(--border); border-radius: var(--radius); font-size: 16px; transition: all .25s; color: var(--text-2); }
.tc-faq-item.open .tc-faq-icon { background: var(--accent); border-color: var(--accent); color: #fff; transform: rotate(45deg); }
.tc-faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.tc-faq-item.open .tc-faq-a { max-height: 260px; }
.tc-faq-a-inner { padding: 0 4px 22px; color: var(--text-2); font-size: 14.5px; line-height: 1.7; }

/* ══════════════════════════════════════════
   FORMS
══════════════════════════════════════════ */
.tc-form-group { margin-bottom: 18px; }
.tc-form-group label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 7px; }
.tc-form-group input, .tc-form-group select, .tc-form-group textarea {
  width: 100%; border: 1.5px solid var(--border); border-radius: var(--radius); padding: 12px 14px;
  font-size: 14px; background: var(--surface); color: var(--text); transition: border-color .2s;
}
.tc-form-group input:focus, .tc-form-group select:focus, .tc-form-group textarea:focus { outline: none; border-color: var(--accent); }
.tc-form-group textarea { resize: vertical; min-height: 120px; }

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
.tc-footer { background: var(--dark); color: rgba(255,255,255,.7); padding: clamp(56px, 7vw, 80px) 0 0; }
.tc-footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.tc-footer-logo { font-family: var(--head); font-weight: 800; font-size: 20px; color: #fff; display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.tc-footer-desc { font-size: 13.5px; line-height: 1.7; margin-bottom: 20px; max-width: 320px; }
.tc-footer-social { display: flex; gap: 10px; }
.tc-footer-social a {
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.06); border-radius: var(--radius); font-size: 13px; color: #fff; transition: all .2s;
}
.tc-footer-social a:hover { background: var(--accent); }
.tc-footer-col h4 { font-family: var(--sans); font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 18px; text-transform: uppercase; letter-spacing: .04em; }
.tc-footer-col ul li { margin-bottom: 11px; }
.tc-footer-col ul li a { font-size: 13.5px; transition: color .2s; }
.tc-footer-col ul li a:hover { color: var(--accent); }
.tc-footer-contact-items p { font-size: 13.5px; margin-bottom: 11px; line-height: 1.6; }
.tc-footer-maps { height: 300px; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 16px rgba(0,0,0,.1); margin-bottom: 40px; }
.tc-footer-maps iframe { width: 100%; height: 100%; border: 0; }
.tc-footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 12.5px; color: rgba(255,255,255,.45); }
.tc-footer-bottom-links { display: flex; gap: 20px; }
.tc-footer-bottom-links a:hover { color: #fff; }

/* ══════════════════════════════════════════
   ZALO FLOAT
══════════════════════════════════════════ */
.tc-zalo-btn {
  position: fixed; bottom: 24px; right: 24px; width: 56px; height: 56px; border-radius: 50%;
  background: #0068FF; display: flex; align-items: center; justify-content: center; z-index: 900;
  box-shadow: 0 6px 20px rgba(0,104,255,.4);
}
.tc-zalo-btn svg { width: 28px; height: 28px; fill: #fff; }

/* ══════════════════════════════════════════
   PRODUCT DETAIL PAGE
══════════════════════════════════════════ */
.tc-pd-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.tc-pd-gallery-main { aspect-ratio: 1/1; border-radius: var(--radius-lg); overflow: hidden; background: var(--surface-2); margin-bottom: 14px; }
.tc-pd-gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.tc-pd-thumbs { display: flex; gap: 10px; }
.tc-pd-thumb { width: 76px; height: 76px; border-radius: var(--radius); overflow: hidden; border: 2px solid transparent; cursor: pointer; }
.tc-pd-thumb.active { border-color: var(--accent); }
.tc-pd-thumb img { width: 100%; height: 100%; object-fit: cover; }
.tc-pd-cat { font-size: 12.5px; font-weight: 600; text-transform: uppercase; color: var(--accent); letter-spacing: .04em; margin-bottom: 10px; }
.tc-pd-title { font-family: var(--head); font-size: clamp(22px, 3vw, 30px); font-weight: 700; margin-bottom: 12px; }
.tc-pd-rating { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--text-2); margin-bottom: 18px; }
.tc-pd-price-row { display: flex; align-items: baseline; gap: 12px; margin-bottom: 20px; }
.tc-pd-price { font-family: var(--head); font-size: 30px; font-weight: 700; color: var(--accent); }
.tc-pd-price-orig { font-size: 16px; color: var(--text-3); text-decoration: line-through; }
.tc-pd-desc { color: var(--text-2); font-size: 14.5px; line-height: 1.7; margin-bottom: 22px; }
.tc-pd-option-group { margin-bottom: 20px; }
.tc-pd-option-label { font-size: 13px; font-weight: 700; margin-bottom: 10px; }
.tc-pd-sizes { display: flex; gap: 8px; }
.tc-pd-size-btn { width: 44px; height: 40px; border: 1.5px solid var(--border); border-radius: var(--radius); font-weight: 600; font-size: 13px; background: var(--surface); transition: all .2s; }
.tc-pd-size-btn:hover { border-color: var(--accent); }
.tc-pd-size-btn.active { background: var(--charcoal); border-color: var(--charcoal); color: #fff; }
.tc-pd-qty { display: flex; align-items: center; border: 1.5px solid var(--border); border-radius: var(--radius); width: fit-content; }
.tc-pd-qty button { width: 38px; height: 40px; background: none; border: none; font-size: 16px; }
.tc-pd-qty input { width: 44px; text-align: center; border: none; font-weight: 600; }
.tc-pd-actions { display: flex; gap: 12px; margin-top: 24px; }
.tc-pd-trust { display: flex; flex-direction: column; gap: 8px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border-light); }
.tc-pd-trust span { font-size: 13px; color: var(--text-2); display: flex; align-items: center; gap: 8px; }

.tc-tabs-nav { display: flex; gap: 32px; border-bottom: 1.5px solid var(--border); margin: 56px 0 30px; }
.tc-tab-btn { background: none; border: none; padding: 14px 2px; font-size: 14.5px; font-weight: 600; color: var(--text-2); border-bottom: 2px solid transparent; margin-bottom: -1.5px; }
.tc-tab-btn.active { color: var(--text); border-color: var(--accent); }
.tc-tab-pane { display: none; }
.tc-tab-pane.active { display: block; }
.tc-spec-table { width: 100%; border-collapse: collapse; max-width: 620px; }
.tc-spec-table tr { border-bottom: 1px solid var(--border-light); }
.tc-spec-table td { padding: 12px 4px; font-size: 14px; }
.tc-spec-table td:first-child { color: var(--text-2); width: 200px; }
.tc-spec-table td:last-child { font-weight: 600; }

/* ══════════════════════════════════════════
   CART PAGE
══════════════════════════════════════════ */
.tc-cart-layout { display: grid; grid-template-columns: 1fr 340px; gap: 40px; }
.tc-cart-item { display: grid; grid-template-columns: 90px 1fr auto auto auto; gap: 18px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--border-light); }
.tc-cart-item-img { width: 90px; height: 90px; border-radius: var(--radius); object-fit: cover; background: var(--surface-2); }
.tc-cart-item-name { font-weight: 600; font-size: 14.5px; margin-bottom: 6px; }
.tc-cart-item-meta { display: flex; gap: 10px; font-size: 12.5px; color: var(--text-2); margin-bottom: 4px; }
.tc-cart-item-price { color: var(--accent); font-weight: 700; font-size: 14px; }
.tc-cart-item-qty { display: flex; align-items: center; border: 1.5px solid var(--border); border-radius: var(--radius); }
.tc-qty-sm { width: 30px; height: 32px; background: none; border: none; font-size: 15px; }
.tc-qty-num { width: 28px; text-align: center; font-weight: 600; font-size: 13.5px; }
.tc-cart-item-total { font-weight: 700; font-size: 14.5px; white-space: nowrap; }
.tc-cart-item-remove { background: none; border: none; color: var(--text-3); padding: 6px; }
.tc-cart-item-remove:hover { color: var(--danger); }
.tc-cart-summary { background: var(--surface-2); border-radius: var(--radius-lg); padding: 26px; position: sticky; top: 130px; }
.tc-cart-summary h3 { font-size: 17px; font-weight: 700; margin-bottom: 18px; }
.tc-summary-row { display: flex; justify-content: space-between; font-size: 14px; color: var(--text-2); padding: 9px 0; }
.tc-summary-total { border-top: 1.5px solid var(--border); margin-top: 8px; padding-top: 16px; font-weight: 700; color: var(--text); font-size: 16px; }
.tc-shipping-note { font-size: 12.5px; color: var(--text-2); margin: 12px 0 18px; }
.tc-cart-trust { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; font-size: 12.5px; color: var(--text-2); }

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 1200px) {
  .tc-product-grid { grid-template-columns: repeat(3, 1fr); }
  .tc-bento { grid-template-columns: repeat(3, 1fr); }
  .tc-bento-1 { grid-column: span 2; }
}
@media (max-width: 1024px) {
  .tc-nav-links { display: none; }
  .tc-burger { display: flex; }
  .tc-filter-row1 { display: none !important; }
  .tc-filter-mobile { display: flex; }
  .tc-feature-grid, .tc-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .tc-strip, .tc-pd-layout { grid-template-columns: 1fr; gap: 28px; }
  .tc-strip.tc-rev { direction: ltr; }
  .tc-cart-layout { grid-template-columns: 1fr; }
  .tc-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .tc-product-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .tc-bento { grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(3, 180px); }
  .tc-bento-1 { grid-column: span 2; grid-row: span 1; }
  .tc-list-item { grid-template-columns: 48px 1fr; }
  .tc-list-stars { grid-column: 2; }
  .tc-banner-inner { flex-direction: column; align-items: flex-start; }
  .tc-banner-search { min-width: 0; width: 100%; max-width: none; }
  .tc-cart-item { grid-template-columns: 64px 1fr; grid-template-rows: auto auto; }
  .tc-cart-item-qty, .tc-cart-item-total, .tc-cart-item-remove { grid-column: 2; }
}
@media (max-width: 560px) {
  .tc-product-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .tc-feature-grid, .tc-stats-grid { grid-template-columns: 1fr; }
  .tc-footer-grid { grid-template-columns: 1fr; }
  .tc-topbar-inner { display: none; }
  #tcNav { top: 0; }
  .tc-banner, .tc-breadcrumb, .tc-page-header { margin-top: 74px; }
  .tc-filter-wrap { top: 74px; }
  .tc-nav-search-panel, .tc-mob-nav { top: 74px; }
}
