/* ══ SPORT THE THAO — DARK-ENERGY Variant (Signal Orange + Electric Blue) ══ */
/* Font: Archivo Black (heading) + Barlow (body) | Tone: Full Dark | Identity: DARK-ENERGY-SPORT */
/* CSS Prefix: tt- */

@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=Barlow:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

/* ══════════════════════════════
   :ROOT VARIABLES
══════════════════════════════ */
:root {
  --bg:           #0a0a0c;
  --surface:      #141418;
  --surface-2:    #1c1c22;
  --surface-3:    #22222a;
  --dark:         #060608;
  --dark2:        #0e0e14;
  --border:       #252530;
  --border-light: #1a1a22;
  --text:         #f0f0f6;
  --text-2:       #8888a2;
  --text-3:       #525264;
  --accent:       #ff4d29;      /* Signal Orange */
  --accent-h:     #e63d1a;
  --accent-light: #200c05;
  --accent-mid:   #ff6b47;
  --blue:         #2f6fed;      /* Electric Blue */
  --blue-h:       #2459d4;
  --blue-light:   #07101e;
  --sans:         'Barlow', sans-serif;
  --heading:      'Archivo Black', sans-serif;
  --radius:       3px;
  --radius-sm:    2px;
  --radius-lg:    6px;
  --radius-pill:  999px;
}

/* ══════════════════════════════
   RESET & BASE
══════════════════════════════ */
*, *::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);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: var(--sans); cursor: pointer; }
ul { list-style: none; }

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading);
  line-height: 1.15;
  color: var(--text);
}

/* ══════════════════════════════
   UTILITIES
══════════════════════════════ */
.tt-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
}
.tt-sec { padding: clamp(56px, 8vw, 112px) 0; }
.tt-sec-sm { padding: clamp(36px, 5vw, 72px) 0; }

/* Reveal animation */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s ease, transform .65s ease;
}
[data-reveal].visible {
  opacity: 1;
  transform: none;
}
[data-reveal-d1] { transition-delay: .08s; }
[data-reveal-d2] { transition-delay: .16s; }
[data-reveal-d3] { transition-delay: .24s; }
[data-reveal-d4] { transition-delay: .32s; }

/* Section labels */
.tt-eyebrow {
  font-family: var(--heading);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.tt-sec-title {
  font-family: var(--heading);
  font-size: clamp(26px, 4vw, 42px);
  margin-bottom: 14px;
}
.tt-sec-sub {
  font-size: 15px;
  color: var(--text-2);
  max-width: 520px;
  font-weight: 300;
}

/* ══════════════════════════════
   TOPBAR
══════════════════════════════ */
.tt-topbar {
  background: var(--accent);
  padding: 8px 0;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: #fff;
  line-height: 1;
}
.tt-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.tt-topbar-sep { opacity: .5; }

/* ══════════════════════════════
   NAV — Dark Always-Solid + Orange Bottom Line
══════════════════════════════ */
#ttNav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--dark);
  border-bottom: 3px solid var(--accent);
}
.tt-topbar + #ttNav { top: 35px; } /* offset for topbar */
body { padding-top: 99px; } /* topbar(35) + nav(61) + border(3) */

.tt-nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
  display: flex;
  align-items: center;
  height: 61px;
  gap: 24px;
}

/* Logo */
.tt-logo {
  font-family: var(--heading);
  font-size: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #fff;
  white-space: nowrap;
  flex-shrink: 0;
}
.tt-logo span { color: var(--accent); }

/* Desktop nav links */
.tt-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.tt-nav-links a {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: color .2s, background .2s;
  white-space: nowrap;
}
.tt-nav-links a:hover { color: #fff; background: rgba(255,255,255,.06); }
.tt-nav-links a.active { color: var(--accent); }

/* Nav actions */
.tt-nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.tt-nav-btn {
  background: transparent;
  border: none;
  color: rgba(255,255,255,.65);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  transition: color .2s, background .2s;
  position: relative;
}
.tt-nav-btn:hover { color: #fff; background: rgba(255,255,255,.08); }
.tt-nav-btn svg { width: 20px; height: 20px; }

/* Cart badge */
.tt-cart-count {
  position: absolute;
  top: 2px; right: 2px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  width: 16px; height: 16px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  line-height: 1;
}

/* Nav search panel */
.tt-nav-search-panel {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 12px 0;
  display: none;
}
.tt-nav-search-panel.open { display: block; }
.tt-nav-search-form {
  display: flex;
  gap: 8px;
  max-width: 600px;
}
.tt-nav-search-form input {
  flex: 1;
  background: var(--dark2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 14px;
  outline: none;
}
.tt-nav-search-form input:focus { border-color: var(--accent); }
.tt-nav-search-form input::placeholder { color: var(--text-3); }
.tt-nav-search-form button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 13px;
  transition: background .2s;
}
.tt-nav-search-form button:hover { background: var(--accent-h); }

/* Hamburger */
.tt-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  padding: 6px;
  cursor: pointer;
}
.tt-burger span {
  display: block;
  width: 22px; height: 2px;
  background: rgba(255,255,255,.75);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.tt-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.tt-burger.open span:nth-child(2) { opacity: 0; }
.tt-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav overlay */
.tt-mob-nav {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--dark);
  padding: 96px 32px 32px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateX(100%);
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}
.tt-mob-nav.open { transform: translateX(0); }
.tt-mob-nav a {
  font-family: var(--heading);
  font-size: 22px;
  color: rgba(255,255,255,.75);
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  text-transform: uppercase;
  transition: color .2s;
}
.tt-mob-nav a:hover, .tt-mob-nav a.active { color: var(--accent); }
.tt-mob-nav-sep {
  margin: 16px 0 8px;
  border-top: 1px solid var(--border);
}
.tt-mob-nav-footer { margin-top: 24px; display: flex; gap: 16px; }
.tt-mob-nav-footer a {
  font-family: var(--sans);
  font-size: 13px;
  border-bottom: none !important;
  padding: 0 !important;
  color: var(--text-3);
}
.tt-mob-nav-footer a:hover { color: var(--text-2); }

/* ══════════════════════════════
   CATALOG HEADER (index.html — Biến thể 1 SEARCH-FIRST)
══════════════════════════════ */
.tt-catalog-header {
  background: var(--dark2);
  border-bottom: 1px solid var(--border);
  padding: clamp(28px, 4vw, 56px) 0 clamp(24px, 3vw, 40px);
}
.tt-catalog-title {
  font-family: var(--heading);
  font-size: clamp(22px, 4vw, 40px);
  color: var(--text);
  margin-bottom: 20px;
}
.tt-catalog-title span { color: var(--accent); }

/* Main search box */
.tt-search-main {
  display: flex;
  gap: 0;
  max-width: 640px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--border);
  background: var(--surface);
  transition: border-color .2s;
}
.tt-search-main:focus-within { border-color: var(--accent); }
.tt-search-main input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  padding: 13px 18px;
}
.tt-search-main input::placeholder { color: var(--text-3); }
.tt-search-main button {
  background: var(--accent);
  border: none;
  color: #fff;
  padding: 0 22px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--heading);
  font-size: 13px;
  letter-spacing: .5px;
  text-transform: uppercase;
  transition: background .2s;
  flex-shrink: 0;
}
.tt-search-main button:hover { background: var(--accent-h); }
.tt-search-main button svg { width: 18px; height: 18px; }

/* ══════════════════════════════
   FILTER TOOLBAR
══════════════════════════════ */
.tt-filter-wrap {
  background: var(--dark2);
  border-bottom: 1px solid var(--border);
  padding: 16px 0 0;
  position: sticky;
  top: 99px;
  z-index: 100;
}

/* Category pills */
.tt-cat-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}
.tt-cat-pill {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .4px;
  text-transform: uppercase;
  transition: all .18s;
  white-space: nowrap;
}
.tt-cat-pill:hover { border-color: var(--text-2); color: var(--text); }
.tt-cat-pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Filter row desktop */
.tt-filter-row1 {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding-bottom: 12px;
}
.tt-filter-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
  flex-shrink: 0;
}

/* Filter dropdowns */
.tt-dropdown .tt-drop-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 6px 12px 6px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all .18s;
  white-space: nowrap;
}
.tt-dropdown .tt-drop-btn::after {
  border-color: currentColor transparent transparent;
  margin-left: 2px;
}
.tt-dropdown .tt-drop-btn:hover,
.tt-dropdown.show .tt-drop-btn {
  border-color: var(--text-2);
  color: var(--text);
}
.tt-dropdown .tt-drop-btn.has-filter {
  border-color: var(--accent);
  color: var(--accent);
}

/* Bootstrap dropdown overrides for dark theme */
.tt-dropdown .dropdown-menu {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0,0,0,.5);
  padding: 12px;
  min-width: 200px;
  margin-top: 4px !important;
}
.tt-dropdown .form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  cursor: pointer;
}
.tt-dropdown .form-check-input {
  width: 16px; height: 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
  appearance: none;
  -webkit-appearance: none;
  position: relative;
}
.tt-dropdown .form-check-input:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.tt-dropdown .form-check-input:checked::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: #fff;
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}
.tt-dropdown .form-check-label {
  font-size: 13px;
  color: var(--text-2);
  cursor: pointer;
  transition: color .15s;
}
.tt-dropdown .form-check:hover .form-check-label { color: var(--text); }

/* Price range */
.tt-price-range {
  padding: 4px 0 8px;
}
.tt-price-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-2);
  margin-bottom: 8px;
}
.tt-price-labels span:last-child { color: var(--accent); font-weight: 600; }
input[type='range'].tt-range {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
input[type='range'].tt-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
}

/* Sort select */
.tt-sort-select {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 6px 12px;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 13px;
  cursor: pointer;
  outline: none;
  transition: border-color .18s;
}
.tt-sort-select option {
  background: var(--surface);
  color: var(--text);
}
.tt-sort-select:hover { border-color: var(--text-2); }

/* Filter row 2 — count + chips */
.tt-filter-row2 {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border-light);
  padding: 10px 0;
}
.tt-result-count {
  font-size: 12px;
  color: var(--text-3);
  font-weight: 500;
  white-space: nowrap;
  margin-left: auto;
}

/* Active filter chips */
.tt-chips-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
  flex: 1;
}
.tt-chip {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--accent-light);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
}
.tt-chip-close {
  background: transparent;
  border: none;
  color: var(--accent);
  font-size: 14px;
  line-height: 1;
  padding: 0 0 0 2px;
  cursor: pointer;
  display: flex;
  align-items: center;
}
.tt-chip-clear {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-3);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  cursor: pointer;
  transition: all .15s;
}
.tt-chip-clear:hover { border-color: var(--text-2); color: var(--text-2); }

/* Mobile filter button */
.tt-filter-mobile {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
}
.tt-btn-filter {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 9px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  position: relative;
  transition: all .18s;
}
.tt-btn-filter:hover { border-color: var(--text-2); color: var(--text); }
.tt-btn-filter svg { width: 16px; height: 16px; }
.tt-filter-badge {
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: var(--radius-pill);
  line-height: 1.4;
}

/* ══════════════════════════════
   CATALOG SECTION
══════════════════════════════ */
.tt-catalog-section { padding: 32px 0 64px; }

/* Product grid */
.tt-product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

/* Product card */
.tt-prod-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color .2s, transform .2s;
  display: flex;
  flex-direction: column;
}
.tt-prod-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 0 0 1px var(--accent), 0 12px 36px rgba(255,77,41,.12);
}
.tt-prod-img-wrap {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--surface-2);
  flex-shrink: 0;
}
.tt-prod-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.tt-prod-card:hover .tt-prod-img-wrap img { transform: scale(1.04); }

/* Badges */
.tt-badge {
  position: absolute;
  top: 10px; left: 10px;
  font-family: var(--heading);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}
.tt-badge-sale { background: var(--accent); color: #fff; }
.tt-badge-new { background: var(--blue); color: #fff; }
.tt-badge-hot { background: var(--accent-mid); color: var(--dark); }

.tt-prod-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.tt-prod-cat {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--accent);
}
.tt-prod-name {
  font-family: var(--heading);
  font-size: 14px;
  line-height: 1.25;
  margin: 0;
}
.tt-prod-name a { color: var(--text); transition: color .2s; }
.tt-prod-name a:hover { color: var(--accent); }
.tt-prod-rating {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text-3);
}
.tt-stars { color: #f59e0b; font-size: 11px; letter-spacing: 1px; }
.tt-prod-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 2px;
}
.tt-price {
  font-family: var(--heading);
  font-size: 16px;
  color: var(--text);
}
.tt-price-orig {
  font-size: 13px;
  color: var(--text-3);
  text-decoration: line-through;
}
.tt-price.sale { color: var(--accent); }
.tt-prod-actions {
  display: flex;
  gap: 7px;
  margin-top: auto;
  padding-top: 10px;
}
.tt-btn-cart {
  flex: 1;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 9px 10px;
  border-radius: var(--radius);
  font-family: var(--heading);
  font-size: 11px;
  letter-spacing: .5px;
  text-transform: uppercase;
  transition: background .2s, box-shadow .2s;
  cursor: pointer;
}
.tt-btn-cart:hover { background: var(--accent-h); box-shadow: 0 0 16px rgba(255,77,41,.35); }
.tt-btn-detail {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 11px;
  color: var(--text-2);
  transition: all .2s;
  white-space: nowrap;
}
.tt-btn-detail:hover { border-color: var(--blue); color: var(--blue); }
.tt-trust-mini {
  font-size: 10px;
  color: var(--text-3);
  padding-top: 6px;
  border-top: 1px solid var(--border-light);
  margin-top: 2px;
}

/* Empty state */
.tt-empty-state {
  display: none;
  text-align: center;
  padding: 72px 24px;
}
.tt-empty-state.visible { display: block; }
.tt-empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: .35;
}
.tt-empty-state h3 {
  font-family: var(--heading);
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--text-2);
}
.tt-empty-state p { color: var(--text-3); margin-bottom: 20px; }
.tt-btn-reset {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 10px 22px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}
.tt-btn-reset:hover { border-color: var(--accent); color: var(--accent); }

/* ══════════════════════════════
   PAGINATION
══════════════════════════════ */
.tt-pagination { display: flex; justify-content: center; gap: 6px; flex-wrap: wrap; }
.tt-pagination li { list-style: none; }
.tt-pagination .page-link {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius);
  font-family: var(--heading);
  font-size: 13px;
  cursor: pointer;
  transition: all .18s;
}
.tt-pagination .page-link:hover { border-color: var(--accent); color: var(--accent); }
.tt-pagination .page-item.active .page-link {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ══════════════════════════════
   MOBILE OFFCANVAS FILTER
══════════════════════════════ */
.tt-offcanvas {
  background: var(--surface) !important;
  color: var(--text) !important;
  border-right: 1px solid var(--border) !important;
  width: 300px !important;
}
.tt-offcanvas .offcanvas-header {
  background: var(--dark2);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
}
.tt-offcanvas .offcanvas-title {
  font-family: var(--heading);
  color: var(--text);
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.tt-offcanvas .btn-close { filter: invert(1) opacity(.6); }
.tt-offcanvas .offcanvas-body { padding: 0; overflow-y: auto; }

/* Offcanvas filter sections */
.tt-oc-section { border-bottom: 1px solid var(--border-light); padding: 16px 20px; }
.tt-oc-section-title {
  font-family: var(--heading);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 12px;
}
.tt-oc-section .tt-cat-pill { margin-bottom: 4px; }
.tt-oc-apply {
  margin: 20px;
  width: calc(100% - 40px);
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 13px;
  border-radius: var(--radius);
  font-family: var(--heading);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s;
}
.tt-oc-apply:hover { background: var(--accent-h); }

/* ══════════════════════════════
   BUTTONS (general)
══════════════════════════════ */
.tt-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-family: var(--heading);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s, box-shadow .2s;
}
.tt-btn-primary:hover { background: var(--accent-h); box-shadow: 0 0 24px rgba(255,77,41,.35); color: #fff; }
.tt-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--blue);
  border: 1.5px solid var(--blue);
  padding: 12px 28px;
  border-radius: var(--radius);
  font-family: var(--heading);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .2s;
}
.tt-btn-secondary:hover { background: var(--blue); color: #fff; box-shadow: 0 0 24px rgba(47,111,237,.35); }
.tt-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}
.tt-btn-ghost:hover { border-color: var(--text-2); color: var(--text); }

/* ══════════════════════════════
   PAGE HERO (for non-index pages)
══════════════════════════════ */
.tt-page-hero {
  background: var(--dark2);
  border-bottom: 1px solid var(--border);
  padding: clamp(40px, 6vw, 80px) 0;
  text-align: center;
}
.tt-page-hero-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.tt-page-hero h1 {
  font-size: clamp(28px, 5vw, 52px);
  margin-bottom: 12px;
}
.tt-page-hero p {
  color: var(--text-2);
  max-width: 560px;
  margin: 0 auto;
  font-weight: 300;
}
.tt-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 12px;
  color: var(--text-3);
}
.tt-breadcrumb a { color: var(--text-3); transition: color .15s; }
.tt-breadcrumb a:hover { color: var(--accent); }
.tt-breadcrumb-sep { color: var(--text-3); }

/* ══════════════════════════════
   DỊCH VỤ PAGE
══════════════════════════════ */

/* Dich vu hero — with bg image */
.tt-dv-hero {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
}
.tt-dv-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?w=1400&auto=format&fit=crop&q=80');
  background-size: cover;
  background-position: center;
  filter: brightness(.25);
}
.tt-dv-hero-content {
  position: relative;
  z-index: 2;
  padding: clamp(48px, 8vw, 100px) 0;
}
.tt-dv-hero h1 {
  font-size: clamp(32px, 6vw, 64px);
  margin-bottom: 18px;
  max-width: 680px;
}
.tt-dv-hero h1 span { color: var(--accent); }
.tt-dv-hero p {
  color: rgba(255,255,255,.65);
  font-size: 16px;
  max-width: 520px;
  font-weight: 300;
  margin-bottom: 32px;
}

/* Service cards */
.tt-dv-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.tt-dv-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color .2s, transform .2s;
}
.tt-dv-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.tt-dv-icon {
  width: 48px; height: 48px;
  background: var(--accent-light);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.tt-dv-card h3 {
  font-family: var(--heading);
  font-size: 16px;
  margin-bottom: 8px;
}
.tt-dv-card p { font-size: 13px; color: var(--text-2); font-weight: 300; }

/* Why choose us */
.tt-why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.tt-why-item {
  text-align: center;
  padding: 28px 20px;
}
.tt-why-icon {
  font-size: 32px;
  margin-bottom: 14px;
  display: block;
}
.tt-why-item h4 {
  font-family: var(--heading);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 8px;
  color: var(--text);
}
.tt-why-item p { font-size: 13px; color: var(--text-2); font-weight: 300; }

/* Stat bar */
.tt-stat-bar {
  background: var(--accent);
  padding: clamp(32px, 5vw, 64px) 0;
}
.tt-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.tt-stat-item {}
.tt-stat-num {
  font-family: var(--heading);
  font-size: clamp(32px, 5vw, 56px);
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}
.tt-stat-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,.75);
}

/* Testimonials */
.tt-testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.tt-testi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.tt-testi-stars { color: #f59e0b; font-size: 14px; margin-bottom: 12px; }
.tt-testi-text {
  font-size: 14px;
  color: var(--text-2);
  font-weight: 300;
  line-height: 1.65;
  margin-bottom: 18px;
  font-style: italic;
}
.tt-testi-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.tt-testi-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}
.tt-testi-name { font-family: var(--heading); font-size: 13px; color: var(--text); }
.tt-testi-meta { font-size: 11px; color: var(--text-3); }

/* Policy strips (alternating) */
.tt-policy-strip {
  display: flex;
  align-items: center;
  gap: clamp(24px, 4vw, 60px);
  padding: clamp(32px, 4vw, 56px) 0;
  border-bottom: 1px solid var(--border-light);
}
.tt-policy-strip:last-child { border-bottom: none; }
.tt-policy-strip.reverse { flex-direction: row-reverse; }
.tt-policy-img {
  flex-shrink: 0;
  width: clamp(180px, 30vw, 280px);
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  object-fit: cover;
  border: 1px solid var(--border);
}
.tt-policy-content { flex: 1; }
.tt-policy-content h3 {
  font-family: var(--heading);
  font-size: clamp(18px, 2.5vw, 26px);
  margin-bottom: 12px;
}
.tt-policy-content p {
  font-size: 14px;
  color: var(--text-2);
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 12px;
}
.tt-policy-list { padding: 0; margin: 0; }
.tt-policy-list li {
  font-size: 13px;
  color: var(--text-2);
  padding: 4px 0;
}
.tt-policy-list li::before {
  content: '→';
  color: var(--accent);
  margin-right: 8px;
  font-weight: 700;
}

/* CTA section */
.tt-cta-section {
  background: var(--dark2);
  border-top: 1px solid var(--border);
  text-align: center;
  padding: clamp(48px, 8vw, 96px) 0;
}
.tt-cta-section h2 {
  font-size: clamp(24px, 4vw, 40px);
  margin-bottom: 14px;
}
.tt-cta-section h2 span { color: var(--accent); }
.tt-cta-section p { color: var(--text-2); margin-bottom: 32px; font-weight: 300; }
.tt-cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ══════════════════════════════
   BỘ SƯU TẬP PAGE
══════════════════════════════ */
.tt-coll-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.tt-coll-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 16/9;
  display: flex;
  align-items: flex-end;
  padding: 28px;
  border: 1px solid var(--border);
}
.tt-coll-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%; height: 100%;
  transition: transform .4s ease;
}
.tt-coll-card:hover .tt-coll-bg { transform: scale(1.04); }
.tt-coll-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.7) 0%, transparent 60%);
}
.tt-coll-info {
  position: relative;
  z-index: 2;
}
.tt-coll-info h3 {
  font-family: var(--heading);
  font-size: 22px;
  color: #fff;
  margin-bottom: 6px;
}
.tt-coll-info p { font-size: 13px; color: rgba(255,255,255,.7); margin-bottom: 16px; }
.tt-coll-info a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-family: var(--heading);
  font-size: 11px;
  letter-spacing: .5px;
  text-transform: uppercase;
  transition: background .2s;
}
.tt-coll-info a:hover { background: var(--accent-h); }

/* ══════════════════════════════
   KHUYẾN MÃI PAGE
══════════════════════════════ */
.tt-promo-banner {
  background: linear-gradient(135deg, var(--dark2) 0%, var(--blue-light) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 40px;
}
.tt-promo-badge {
  background: var(--accent);
  color: #fff;
  font-family: var(--heading);
  font-size: 36px;
  padding: 16px 24px;
  border-radius: var(--radius);
  line-height: 1;
  flex-shrink: 0;
}
.tt-promo-info h2 {
  font-size: clamp(20px, 3vw, 30px);
  margin-bottom: 6px;
}
.tt-promo-info p { font-size: 14px; color: var(--text-2); }
.tt-sale-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* ══════════════════════════════
   PRODUCT DETAIL PAGE
══════════════════════════════ */
.tt-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 60px);
  align-items: start;
  padding: clamp(32px, 5vw, 64px) 0;
}
.tt-detail-gallery {}
.tt-main-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin-bottom: 12px;
}
.tt-thumb-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.tt-thumb {
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color .15s;
}
.tt-thumb.active, .tt-thumb:hover { border-color: var(--accent); }
.tt-detail-info {}
.tt-detail-brand {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.tt-detail-title {
  font-size: clamp(22px, 3vw, 34px);
  margin-bottom: 12px;
}
.tt-detail-rating {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 16px;
  font-size: 13px; color: var(--text-2);
}
.tt-detail-price {
  display: flex; align-items: baseline; gap: 10px;
  margin-bottom: 24px;
}
.tt-detail-price .tt-price {
  font-family: var(--heading);
  font-size: 28px;
}
.tt-detail-price .tt-price.sale { color: var(--accent); }
.tt-detail-price .tt-price-orig { font-size: 16px; }

/* Size picker */
.tt-size-label, .tt-color-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 10px;
  display: block;
}
.tt-size-chips {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px;
}
.tt-size-chip {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
}
.tt-size-chip:hover, .tt-size-chip.active {
  border-color: var(--accent);
  color: var(--accent);
}

/* Color picker */
.tt-color-swatches { display: flex; gap: 8px; margin-bottom: 20px; }
.tt-swatch {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: border-color .15s, transform .15s;
}
.tt-swatch:hover, .tt-swatch.active {
  border-color: var(--accent);
  transform: scale(1.15);
}

/* Quantity */
.tt-qty-row { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.tt-qty-ctrl {
  display: flex; align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.tt-qty-ctrl button {
  background: var(--surface-2);
  border: none;
  color: var(--text-2);
  width: 36px; height: 40px;
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  transition: color .15s, background .15s;
}
.tt-qty-ctrl button:hover { background: var(--accent); color: #fff; }
.tt-qty-ctrl input {
  width: 48px;
  background: transparent;
  border: none;
  color: var(--text);
  text-align: center;
  font-family: var(--heading);
  font-size: 15px;
  outline: none;
}

/* Buy buttons */
.tt-buy-row { display: flex; gap: 10px; margin-bottom: 20px; }
.tt-buy-row .tt-btn-primary { flex: 1; justify-content: center; }
.tt-btn-wishlist {
  width: 50px; height: 50px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-2);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all .18s;
  flex-shrink: 0;
}
.tt-btn-wishlist:hover { border-color: var(--accent); color: var(--accent); }
.tt-btn-wishlist svg { width: 20px; height: 20px; }

/* Trust badges on detail */
.tt-detail-trust {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-2);
}
.tt-detail-trust span { display: flex; align-items: center; gap: 4px; }
.tt-detail-trust span::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
}

/* ══════════════════════════════
   GIỎ HÀNG PAGE
══════════════════════════════ */
.tt-cart-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 28px;
  align-items: start;
  padding: 40px 0 80px;
}
.tt-cart-items {}
.tt-cart-item {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-light);
  align-items: flex-start;
}
.tt-cart-item-img {
  width: 90px; height: 110px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.tt-cart-item-info { flex: 1; }
.tt-cart-item-cat {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}
.tt-cart-item-name {
  font-family: var(--heading);
  font-size: 15px;
  margin-bottom: 6px;
  line-height: 1.3;
}
.tt-cart-item-meta { font-size: 12px; color: var(--text-3); margin-bottom: 10px; }
.tt-cart-qty { display: flex; align-items: center; gap: 8px; }
.tt-cart-qty-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  width: 28px; height: 28px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: all .15s;
}
.tt-cart-qty-btn:hover { border-color: var(--accent); color: var(--accent); }
.tt-cart-qty-val { font-family: var(--heading); font-size: 14px; width: 30px; text-align: center; }
.tt-cart-item-right { text-align: right; }
.tt-cart-item-price { font-family: var(--heading); font-size: 16px; color: var(--accent); margin-bottom: 10px; }
.tt-cart-item-remove {
  background: transparent;
  border: none;
  color: var(--text-3);
  font-size: 12px;
  cursor: pointer;
  transition: color .15s;
}
.tt-cart-item-remove:hover { color: var(--accent); }

.tt-cart-summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: sticky;
  top: 108px;
}
.tt-cart-summary h3 {
  font-family: var(--heading);
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.tt-cart-rows { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.tt-cart-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-2);
}
.tt-cart-row.total {
  font-family: var(--heading);
  font-size: 16px;
  color: var(--text);
  border-top: 1px solid var(--border);
  padding-top: 12px;
  margin-top: 4px;
}
.tt-cart-row.total span:last-child { color: var(--accent); }
.tt-cart-checkout {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 14px;
  border-radius: var(--radius);
  font-family: var(--heading);
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s, box-shadow .2s;
  margin-bottom: 10px;
}
.tt-cart-checkout:hover { background: var(--accent-h); box-shadow: 0 0 20px rgba(255,77,41,.35); }
.tt-cart-continue {
  display: block;
  text-align: center;
  font-size: 12px;
  color: var(--text-3);
  transition: color .15s;
}
.tt-cart-continue:hover { color: var(--text-2); }

/* Empty cart */
.tt-cart-empty {
  text-align: center;
  padding: 80px 24px;
}
.tt-cart-empty-icon { font-size: 56px; opacity: .25; margin-bottom: 20px; }
.tt-cart-empty h2 { font-size: 24px; margin-bottom: 10px; }
.tt-cart-empty p { color: var(--text-2); margin-bottom: 28px; }

/* ══════════════════════════════
   LIÊN HỆ PAGE
══════════════════════════════ */
.tt-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
  padding: clamp(40px, 6vw, 80px) 0;
}
.tt-contact-info {}
.tt-contact-items { display: flex; flex-direction: column; gap: 20px; margin-top: 24px; }
.tt-contact-item { display: flex; gap: 14px; align-items: flex-start; }
.tt-contact-icon {
  width: 42px; height: 42px;
  background: var(--accent-light);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.tt-contact-item h4 {
  font-family: var(--heading);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-3);
  margin-bottom: 4px;
}
.tt-contact-item p { font-size: 14px; color: var(--text-2); }

/* Contact form */
.tt-contact-form {}
.tt-form-group { margin-bottom: 16px; }
.tt-form-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 6px;
}
.tt-form-input, .tt-form-textarea, .tt-form-select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 11px 14px;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
}
.tt-form-input:focus, .tt-form-textarea:focus { border-color: var(--accent); }
.tt-form-input::placeholder, .tt-form-textarea::placeholder { color: var(--text-3); }
.tt-form-textarea { resize: vertical; min-height: 130px; }
.tt-form-submit {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 13px;
  border-radius: var(--radius);
  font-family: var(--heading);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s;
}
.tt-form-submit:hover { background: var(--accent-h); }

/* ══════════════════════════════
   LEGAL PAGES (privacy/terms)
══════════════════════════════ */
.tt-legal-content {
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(32px, 5vw, 64px) 0 clamp(48px, 8vw, 96px);
}
.tt-legal-content h2 {
  font-size: clamp(16px, 2.5vw, 22px);
  margin: 32px 0 12px;
  color: var(--text);
  padding-top: 8px;
  border-top: 1px solid var(--border-light);
}
.tt-legal-content h2:first-of-type { border-top: none; margin-top: 16px; }
.tt-legal-content p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 12px;
}
.tt-legal-content ul { padding-left: 20px; margin-bottom: 16px; }
.tt-legal-content ul li {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 6px;
  font-weight: 300;
}
.tt-legal-update {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 32px;
  padding: 10px 14px;
  background: var(--surface);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
}

/* ══════════════════════════════
   FOOTER
══════════════════════════════ */
.tt-footer {
  background: var(--dark);
  border-top: 1px solid var(--border);
  padding: clamp(48px, 7vw, 80px) 0 0;
}
.tt-footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
  gap: clamp(24px, 4vw, 56px);
  margin-bottom: clamp(36px, 5vw, 56px);
}
.tt-footer-logo {
  font-family: var(--heading);
  font-size: 22px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 12px;
}
.tt-footer-logo span { color: var(--accent); }
.tt-footer-desc {
  font-size: 13px;
  color: var(--text-3);
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 260px;
}
.tt-footer-social { display: flex; gap: 10px; }
.tt-footer-social a {
  width: 34px; height: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-3);
  font-size: 14px;
  transition: all .2s;
}
.tt-footer-social a:hover { border-color: var(--accent); color: var(--accent); }

.tt-footer-col h4 {
  font-family: var(--heading);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}
.tt-footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.tt-footer-col ul li a {
  font-size: 13px;
  color: var(--text-3);
  transition: color .18s;
  font-weight: 300;
}
.tt-footer-col ul li a:hover { color: var(--accent); }
.tt-footer-contact-items { display: flex; flex-direction: column; gap: 10px; }
.tt-footer-contact-items p {
  font-size: 13px;
  color: var(--text-3);
  font-weight: 300;
}

.tt-footer-bottom {
  border-top: 1px solid var(--border-light);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.tt-footer-bottom p { font-size: 12px; color: var(--text-3); }
.tt-footer-bottom-links { display: flex; gap: 16px; }
.tt-footer-bottom-links a { font-size: 12px; color: var(--text-3); transition: color .15s; }
.tt-footer-bottom-links a:hover { color: var(--accent); }

/* ══════════════════════════════
   ZALO FLOAT
══════════════════════════════ */
.tt-zalo-btn {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 500;
  width: 52px; height: 52px;
  background: #0068FF;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 24px rgba(0,104,255,.45);
  transition: transform .2s, box-shadow .2s;
}
.tt-zalo-btn:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(0,104,255,.55); }
.tt-zalo-btn svg { width: 28px; height: 28px; fill: #fff; }

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */
@media (max-width: 1100px) {
  .tt-product-grid { grid-template-columns: repeat(3, 1fr); }
  .tt-why-grid { grid-template-columns: repeat(2, 1fr); }
  .tt-stat-grid { grid-template-columns: repeat(2, 2fr); }
  .tt-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 991px) {
  .tt-nav-links { display: none; }
  .tt-burger { display: flex; }
  .tt-dv-services { grid-template-columns: repeat(2, 1fr); }
  .tt-coll-grid { grid-template-columns: 1fr 1fr; }
  .tt-testi-grid { grid-template-columns: 1fr 1fr; }
  .tt-sale-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  body { padding-top: 90px; }
  .tt-topbar + #ttNav { top: 35px; }
  .tt-product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .tt-cart-layout { grid-template-columns: 1fr; }
  .tt-detail-layout { grid-template-columns: 1fr; }
  .tt-contact-grid { grid-template-columns: 1fr; }
  .tt-coll-grid { grid-template-columns: 1fr; }
  .tt-testi-grid { grid-template-columns: 1fr; }
  .tt-sale-grid { grid-template-columns: 1fr 1fr; }
  .tt-why-grid { grid-template-columns: 1fr 1fr; }
  .tt-stat-grid { grid-template-columns: repeat(2, 1fr); }
  .tt-policy-strip, .tt-policy-strip.reverse { flex-direction: column; }
  .tt-policy-img { width: 100%; }
  .tt-footer-grid { grid-template-columns: 1fr; }
  .tt-promo-banner { flex-direction: column; gap: 16px; }
}

/* ══════════════════════════════
   PAGE UTILITY
══════════════════════════════ */
.tt-page-title {
  font-family: var(--heading);
  font-size: clamp(22px, 4vw, 38px);
}
.tt-bc-sep { margin: 0 2px; }

/* ══════════════════════════════
   PRODUCT DETAIL — new classes
══════════════════════════════ */
.tt-pd-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 60px);
  align-items: start;
  padding: clamp(32px, 5vw, 64px) 0;
}
.tt-pd-gallery {}
.tt-pd-main-img {
  position: relative;
  margin-bottom: 12px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 3/4;
}
.tt-pd-main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.tt-pd-main-img .tt-badge { position: absolute; top: 12px; left: 12px; }
.tt-pd-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.tt-thumb {
  background: transparent;
  border: 2px solid transparent;
  border-radius: var(--radius);
  overflow: hidden;
  padding: 0;
  cursor: pointer;
  transition: border-color .15s;
  aspect-ratio: 1;
}
.tt-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tt-thumb.active, .tt-thumb:hover { border-color: var(--accent); }
.tt-pd-info {}
.tt-pd-title {
  font-size: clamp(20px, 3vw, 32px);
  margin-bottom: 10px;
  line-height: 1.2;
}
.tt-pd-rating-row {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 16px;
  font-size: 13px;
}
.tt-pd-price-row {
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
  margin-bottom: 24px;
}
.tt-pd-option-group { margin-bottom: 20px; }
.tt-pd-option-label {
  font-size: 12px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; color: var(--text-3);
  margin-bottom: 10px; display: block;
}
.tt-pd-size-row { display: flex; gap: 8px; flex-wrap: wrap; }
.tt-size-btn {
  background: var(--surface-2); border: 1.5px solid var(--border);
  color: var(--text-2); padding: 8px 14px;
  border-radius: var(--radius); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all .15s;
}
.tt-size-btn:hover, .tt-size-btn.active { border-color: var(--accent); color: var(--accent); }
.tt-pd-color-row { display: flex; gap: 8px; }
.tt-color-dot {
  width: 28px; height: 28px; border-radius: 50%;
  border: 2px solid var(--border); cursor: pointer;
  transition: border-color .15s, transform .15s; padding: 0;
}
.tt-color-dot:hover, .tt-color-dot.active { border-color: var(--accent); transform: scale(1.15); }
.tt-pd-qty-row { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }
.tt-btn-add-main {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff; border: none;
  padding: 13px 24px; border-radius: var(--radius);
  font-family: var(--heading); font-size: 13px; letter-spacing: 1px;
  text-transform: uppercase; cursor: pointer;
  transition: background .2s, box-shadow .2s;
}
.tt-btn-add-main:hover { background: var(--accent-h); box-shadow: 0 0 24px rgba(255,77,41,.35); }
.tt-btn-buy-now {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent; color: var(--blue);
  border: 1.5px solid var(--blue); padding: 12px 20px;
  border-radius: var(--radius); font-family: var(--heading);
  font-size: 13px; letter-spacing: 1px; text-transform: uppercase;
  cursor: pointer; transition: all .2s; white-space: nowrap;
}
.tt-btn-buy-now:hover { background: var(--blue); color: #fff; }
.tt-pd-trust {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 10px; margin-bottom: 20px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
}
.tt-trust-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-2);
}
.tt-trust-item svg { color: var(--accent); flex-shrink: 0; }
.tt-pd-short-desc { font-size: 14px; color: var(--text-2); line-height: 1.7; font-weight: 300; }

/* Product detail tabs */
.tt-pd-tabs { margin-top: clamp(40px, 6vw, 80px); }
.tt-pd-tab-nav {
  display: flex; border-bottom: 2px solid var(--border); gap: 0; margin-bottom: 28px;
}
.tt-pd-tab-btn {
  background: transparent; border: none; color: var(--text-2);
  padding: 12px 20px; font-family: var(--heading); font-size: 12px;
  letter-spacing: 1px; text-transform: uppercase; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: color .15s, border-color .15s;
}
.tt-pd-tab-btn:hover { color: var(--text); }
.tt-pd-tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tt-pd-tab-content { font-size: 14px; color: var(--text-2); line-height: 1.8; font-weight: 300; }
.tt-pd-tab-content h3 { font-size: 18px; color: var(--text); margin-bottom: 14px; }
.tt-pd-tab-content p { margin-bottom: 10px; }
.tt-pd-tab-content ul { padding-left: 20px; margin-bottom: 14px; }
.tt-pd-tab-content li { margin-bottom: 6px; }
.tt-specs-table { width: 100%; border-collapse: collapse; }
.tt-specs-table td { padding: 10px 14px; border-bottom: 1px solid var(--border-light); font-size: 13px; }
.tt-specs-table td:first-child { color: var(--text-3); font-weight: 600; letter-spacing: .5px; width: 40%; }
.tt-specs-table td:last-child { color: var(--text-2); }

/* Reviews */
.tt-reviews-summary { display: flex; align-items: center; gap: 20px; margin-bottom: 24px; }
.tt-reviews-avg { text-align: center; }
.tt-reviews-num { font-family: var(--heading); font-size: 48px; color: var(--text); display: block; line-height: 1; }
.tt-review-list { display: flex; flex-direction: column; gap: 20px; }
.tt-review-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 18px 20px; }
.tt-review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.tt-review-header strong { font-family: var(--heading); font-size: 14px; }
.tt-review-item p { font-size: 13px; color: var(--text-2); font-weight: 300; line-height: 1.65; }

/* Related products */
.tt-pd-related { margin-top: clamp(40px, 6vw, 80px); }
.tt-related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ══════════════════════════════
   CART — new classes
══════════════════════════════ */
.tt-cart-items-col { min-width: 0; }
.tt-cart-summary-col {}
.tt-summary-row {
  display: flex; justify-content: space-between;
  font-size: 13px; color: var(--text-2); padding: 6px 0;
}
.tt-summary-total {
  font-family: var(--heading); font-size: 16px; color: var(--text);
  border-top: 1px solid var(--border); padding-top: 14px; margin-top: 6px;
}
.tt-summary-total span:last-child { color: var(--accent); }
.tt-shipping-note { font-size: 12px; color: var(--text-3); margin: 10px 0 16px; text-align: center; }
.tt-btn-checkout {
  width: 100%; background: var(--accent); color: #fff;
  border: none; padding: 14px; border-radius: var(--radius);
  font-family: var(--heading); font-size: 13px; letter-spacing: 1px;
  text-transform: uppercase; cursor: pointer;
  transition: background .2s, box-shadow .2s; margin-bottom: 12px;
}
.tt-btn-checkout:hover { background: var(--accent-h); box-shadow: 0 0 20px rgba(255,77,41,.35); }
.tt-cart-trust { display: flex; justify-content: center; gap: 16px; font-size: 11px; color: var(--text-3); }
.tt-cart-item-qty { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.tt-qty-sm {
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-2); width: 28px; height: 28px;
  border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
  font-size: 16px; cursor: pointer; transition: all .15s;
}
.tt-qty-sm:hover { border-color: var(--accent); color: var(--accent); }
.tt-qty-num { font-family: var(--heading); font-size: 14px; width: 28px; text-align: center; }
.tt-cart-item-total { font-family: var(--heading); font-size: 15px; color: var(--accent); flex-shrink: 0; }

/* ══════════════════════════════
   BỘ SƯU TẬP — new classes
══════════════════════════════ */
.tt-collection-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.tt-collection-card {
  position: relative; overflow: hidden;
  border-radius: var(--radius-lg); aspect-ratio: 16/9;
  display: block; border: 1px solid var(--border);
  text-decoration: none;
}
.tt-coll-img {
  position: absolute; inset: 0;
}
.tt-coll-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease; filter: brightness(.45);
}
.tt-collection-card:hover .tt-coll-img img { transform: scale(1.04); filter: brightness(.35); }
.tt-collection-card .tt-coll-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.6) 0%, transparent 55%);
}
.tt-coll-tag {
  position: absolute; top: 16px; left: 16px;
  font-family: var(--heading); font-size: 10px;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent); background: rgba(255,77,41,.12);
  border: 1px solid rgba(255,77,41,.35); padding: 4px 10px;
  border-radius: var(--radius);
}
.tt-coll-name {
  position: absolute; bottom: 60px; left: 20px; right: 20px;
  font-family: var(--heading); font-size: clamp(18px, 2.5vw, 28px);
  color: #fff; line-height: 1.15; z-index: 2;
}
.tt-coll-desc {
  position: absolute; bottom: 38px; left: 20px; right: 20px;
  font-size: 12px; color: rgba(255,255,255,.7); z-index: 2;
  display: none;
}
.tt-coll-cta {
  position: absolute; bottom: 16px; left: 20px;
  font-family: var(--heading); font-size: 11px; letter-spacing: 1px;
  text-transform: uppercase; color: var(--accent); z-index: 2;
  transition: gap .2s;
}

/* Category cards grid */
.tt-cat-cards-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px;
}
.tt-cat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px 16px; text-align: center;
  text-decoration: none; transition: border-color .2s, transform .2s;
}
.tt-cat-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.tt-cat-card-icon { font-size: 28px; display: block; margin-bottom: 10px; }
.tt-cat-card-name { font-family: var(--heading); font-size: 12px; letter-spacing: .5px; text-transform: uppercase; color: var(--text); margin-bottom: 4px; }
.tt-cat-card-count { font-size: 11px; color: var(--text-3); }

/* ══════════════════════════════
   KHUYẾN MÃI — new classes
══════════════════════════════ */
.tt-promo-hero {
  background: linear-gradient(135deg, var(--dark2) 0%, var(--blue-light) 100%);
  border-bottom: 1px solid var(--border);
  padding: clamp(48px, 8vw, 100px) 0;
}
.tt-promo-hero .tt-container { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.tt-promo-hero-inner { max-width: 600px; }
.tt-promo-tag {
  font-family: var(--heading); font-size: 11px; letter-spacing: 2px;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
  display: inline-block;
}
.tt-promo-title {
  font-size: clamp(28px, 5vw, 56px); line-height: 1.1; margin-bottom: 14px;
}
.tt-promo-title span { color: var(--accent); }
.tt-promo-sub { color: var(--text-2); font-size: 14px; font-weight: 300; margin-bottom: 28px; }
.tt-promo-countdown {
  display: flex; align-items: center; gap: 6px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px 24px; flex-shrink: 0;
}
.tt-countdown-item { text-align: center; min-width: 52px; }
.tt-countdown-item span { font-family: var(--heading); font-size: 38px; display: block; line-height: 1; color: var(--accent); }
.tt-countdown-item small { font-size: 10px; letter-spacing: 1px; text-transform: uppercase; color: var(--text-3); margin-top: 4px; display: block; }
.tt-countdown-sep { font-family: var(--heading); font-size: 28px; color: var(--text-3); align-self: flex-start; padding-top: 6px; }

/* Promo strips */
.tt-promo-strips { display: flex; flex-direction: column; gap: 12px; }
.tt-promo-strip {
  display: flex; align-items: center; gap: 20px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px 24px;
  border-left-width: 4px; border-left-color: var(--accent);
}
.tt-promo-strip-orange { border-left-color: var(--accent); }
.tt-promo-strip-blue { border-left-color: var(--blue); }
.tt-promo-strip strong { font-family: var(--heading); font-size: 15px; display: block; margin-bottom: 4px; }
.tt-promo-strip p { font-size: 13px; color: var(--text-2); margin: 0; font-weight: 300; }
.tt-strip-pct { font-family: var(--heading); font-size: 28px; color: var(--accent); flex-shrink: 0; min-width: 64px; line-height: 1; }

/* Policy row (khuyến mãi) */
.tt-policy-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.tt-policy-item { text-align: center; padding: 20px 12px; }
.tt-policy-item .tt-policy-icon { margin-bottom: 12px; display: block; }
.tt-policy-item strong { font-family: var(--heading); font-size: 13px; letter-spacing: .5px; text-transform: uppercase; display: block; margin-bottom: 6px; }
.tt-policy-item p { font-size: 12px; color: var(--text-2); font-weight: 300; }

/* ══════════════════════════════
   DỊCH VỤ — new/missing classes
══════════════════════════════ */
.tt-dv-hero-title { font-size: clamp(28px, 5vw, 56px); line-height: 1.1; margin-bottom: 16px; }
.tt-dv-hero-title span { color: var(--accent); }
.tt-dv-hero-sub { color: rgba(255,255,255,.65); font-size: 15px; font-weight: 300; max-width: 520px; margin-bottom: 28px; }
.tt-dv-hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.tt-dv-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,10,12,.7) 0%, rgba(10,10,12,.3) 100%);
  z-index: 1;
}
.tt-dv-hero-bg img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.3); }
.tt-btn-ghost-white {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: rgba(255,255,255,.75);
  border: 1px solid rgba(255,255,255,.25); padding: 12px 24px;
  border-radius: var(--radius); font-family: var(--sans);
  font-size: 13px; font-weight: 600; cursor: pointer; transition: all .2s;
  text-decoration: none;
}
.tt-btn-ghost-white:hover { border-color: rgba(255,255,255,.65); color: #fff; }
.tt-btn-white {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; color: var(--dark);
  border: none; padding: 13px 28px;
  border-radius: var(--radius); font-family: var(--heading);
  font-size: 13px; letter-spacing: 1px; text-transform: uppercase;
  cursor: pointer; transition: background .2s; text-decoration: none;
}
.tt-btn-white:hover { background: rgba(255,255,255,.88); color: var(--dark); }

/* Story section */
.tt-story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.tt-story-img { position: relative; border-radius: var(--radius-lg); overflow: hidden; }
.tt-story-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; filter: brightness(.85); }
.tt-story-img-badge {
  position: absolute; bottom: 20px; left: 20px;
  background: var(--accent); padding: 12px 18px; border-radius: var(--radius);
}
.tt-story-year { font-family: var(--heading); font-size: 26px; color: #fff; display: block; line-height: 1; }
.tt-story-year-label { font-size: 10px; letter-spacing: 1px; text-transform: uppercase; color: rgba(255,255,255,.7); display: block; margin-top: 2px; }
.tt-story-content {}
.tt-story-values { display: flex; flex-direction: column; gap: 16px; margin-top: 28px; }
.tt-story-value { padding: 16px; background: var(--surface-2); border-left: 3px solid var(--accent); border-radius: 0 var(--radius) var(--radius) 0; }
.tt-story-value strong { display: block; font-family: var(--heading); font-size: 14px; margin-bottom: 4px; }
.tt-story-value p { font-size: 13px; color: var(--text-2); font-weight: 300; margin: 0; }

/* Service cards (new naming) */
.tt-service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tt-service-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 24px;
  transition: border-color .2s, transform .2s;
}
.tt-service-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.tt-service-icon {
  width: 52px; height: 52px; background: var(--accent-light);
  border: 1px solid rgba(255,77,41,.2); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); margin-bottom: 18px;
}
.tt-service-card h3 { font-family: var(--heading); font-size: 16px; margin-bottom: 10px; }
.tt-service-card p { font-size: 13px; color: var(--text-2); font-weight: 300; line-height: 1.7; margin-bottom: 14px; }
.tt-service-link { font-size: 12px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; color: var(--accent); transition: color .15s; }
.tt-service-link:hover { color: var(--accent-h); }

/* Why choose us (with number) */
.tt-why-num {
  font-family: var(--heading); font-size: 40px; color: var(--accent);
  opacity: .25; line-height: 1; margin-bottom: 12px; display: block;
}
.tt-why-item h3 { font-family: var(--heading); font-size: 16px; margin-bottom: 10px; }
.tt-why-item p { font-size: 13px; color: var(--text-2); font-weight: 300; line-height: 1.7; }

/* Testimonials (new naming) */
.tt-testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tt-testimonial {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
}
.tt-testimonial-stars { color: #f59e0b; font-size: 14px; margin-bottom: 12px; }
.tt-testimonial-text { font-size: 14px; color: var(--text-2); font-weight: 300; line-height: 1.65; margin-bottom: 18px; font-style: italic; }
.tt-testimonial-author { display: flex; align-items: center; gap: 12px; }
.tt-testimonial-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--heading); font-size: 16px; color: #fff; flex-shrink: 0;
}
.tt-testimonial-author strong { display: block; font-family: var(--heading); font-size: 13px; }
.tt-testimonial-author span { display: block; font-size: 11px; color: var(--text-3); }

/* Policy full grid (dich vu) */
.tt-policy-full-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tt-policy-full-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
}
.tt-pf-icon { margin-bottom: 14px; color: var(--accent); }
.tt-policy-full-item h3 { font-family: var(--heading); font-size: 15px; margin-bottom: 10px; }
.tt-policy-full-item p { font-size: 13px; color: var(--text-2); font-weight: 300; line-height: 1.75; margin: 0; }

/* CTA section (dich vu) */
.tt-dv-cta { background: var(--dark2); border-top: 1px solid var(--border); text-align: center; padding: clamp(48px, 8vw, 96px) 0; }
.tt-dv-cta-inner {}
.tt-dv-cta-title { font-size: clamp(24px, 4vw, 40px); margin-bottom: 14px; }
.tt-dv-cta-sub { color: var(--text-2); margin-bottom: 32px; font-weight: 300; }
.tt-dv-cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ══════════════════════════════
   LIÊN HỆ — new classes
══════════════════════════════ */
.tt-contact-info {}
.tt-contact-socials { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.tt-contact-social-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-2); padding: 8px 16px; border-radius: var(--radius);
  font-size: 13px; font-weight: 600; text-decoration: none;
  transition: all .2s;
}
.tt-contact-social-btn:hover { border-color: var(--accent); color: var(--accent); }
.tt-contact-form-wrap {}
.tt-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.tt-form-group { margin-bottom: 16px; }
.tt-form-group label {
  display: block; font-size: 11px; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 6px;
}
.tt-form-group input,
.tt-form-group select,
.tt-form-group textarea {
  width: 100%; background: var(--surface);
  border: 1px solid var(--border); color: var(--text);
  padding: 11px 14px; border-radius: var(--radius);
  font-family: var(--sans); font-size: 14px; outline: none;
  transition: border-color .2s;
}
.tt-form-group input:focus,
.tt-form-group textarea:focus { border-color: var(--accent); }
.tt-form-group input::placeholder,
.tt-form-group textarea::placeholder { color: var(--text-3); }
.tt-form-group textarea { resize: vertical; min-height: 130px; }
.tt-form-group select { color: var(--text-2); cursor: pointer; }
.tt-form-group select option { background: var(--surface); color: var(--text); }

/* ══════════════════════════════
   LEGAL PAGES — new classes
══════════════════════════════ */
.tt-legal-body { max-width: 820px; margin: 0 auto; padding: clamp(20px, 4vw, 48px) 0 clamp(48px, 8vw, 96px); }
.tt-legal-intro {
  background: var(--surface); border: 1px solid var(--border);
  border-left: 4px solid var(--accent); border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 18px 20px; margin-bottom: 32px; font-size: 14px; color: var(--text-2);
}
.tt-legal-section { margin-bottom: 36px; }
.tt-legal-section h2 {
  font-size: clamp(16px, 2.5vw, 20px); margin: 0 0 12px;
  padding-top: 32px; border-top: 1px solid var(--border-light);
  color: var(--text);
}
.tt-legal-section:first-of-type h2 { border-top: none; padding-top: 0; }
.tt-legal-section p { font-size: 14px; color: var(--text-2); line-height: 1.8; font-weight: 300; margin-bottom: 10px; }
.tt-legal-section ul { padding-left: 20px; margin-bottom: 12px; }
.tt-legal-section li { font-size: 13px; color: var(--text-2); padding: 4px 0; }

@media (max-width: 480px) {
  .tt-product-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .tt-prod-body { padding: 10px; }
  .tt-prod-actions { flex-direction: column; }
  .tt-btn-detail { display: none; }
  .tt-sale-grid { grid-template-columns: 1fr 1fr; }
  .tt-why-grid { grid-template-columns: 1fr 1fr; }
  .tt-stat-grid { grid-template-columns: repeat(2, 1fr); }
  .tt-dv-services { grid-template-columns: 1fr; }
}

/* ══════════════════════════════
   RESPONSIVE — new page sections
══════════════════════════════ */
@media (max-width: 991px) {
  .tt-pd-grid { grid-template-columns: 1fr; }
  .tt-related-grid { grid-template-columns: repeat(2, 1fr); }
  .tt-story-grid { grid-template-columns: 1fr; }
  .tt-service-grid { grid-template-columns: repeat(2, 1fr); }
  .tt-testimonials-grid { grid-template-columns: 1fr; gap: 16px; }
  .tt-collection-grid { grid-template-columns: 1fr; }
  .tt-cat-cards-grid { grid-template-columns: repeat(3, 1fr); }
  .tt-policy-row { grid-template-columns: repeat(2, 1fr); }
  .tt-promo-hero .tt-container { flex-direction: column; }
  .tt-promo-countdown { width: 100%; justify-content: center; }
}

@media (max-width: 767px) {
  .tt-pd-thumbs { grid-template-columns: repeat(3, 1fr); }
  .tt-pd-trust { grid-template-columns: 1fr; }
  .tt-form-row { grid-template-columns: 1fr; }
  .tt-cat-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .tt-why-grid { grid-template-columns: 1fr; }
  .tt-policy-full-grid { grid-template-columns: 1fr; }
  .tt-service-grid { grid-template-columns: 1fr; }
  .tt-coll-desc { display: none; }
  .tt-collection-card { aspect-ratio: 4/3; }
  .tt-promo-strips { gap: 10px; }
  .tt-story-img img { aspect-ratio: 3/2; }
}

@media (max-width: 575px) {
  .tt-related-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .tt-cat-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .tt-policy-row { grid-template-columns: 1fr 1fr; gap: 10px; }
  .tt-pd-qty-row { flex-wrap: wrap; }
  .tt-btn-add-main, .tt-btn-buy-now { width: 100%; justify-content: center; }
  .tt-promo-countdown { padding: 14px 16px; }
  .tt-countdown-item span { font-size: 28px; }
  .tt-cart-item { flex-wrap: wrap; gap: 10px; }
  .tt-contact-socials { flex-direction: column; }
  .tt-dv-hero-ctas { flex-direction: column; }
  .tt-dv-cta-btns { flex-direction: column; align-items: center; }
}