/* ══════════════════════════════════════════════════════════════
   MỘC AN — Nội thất tối giản | ZEN-MINIMAL (biến thể Walnut Brown)
   Font: Newsreader (heading, serif) + Inter (body, sans)
   Tone: Sáng, near-monochrome, 1 accent gỗ ấm | Identity: ZEN-MINIMAL variant
   Prefix class: nt-
   ══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Newsreader:ital,opsz,wght@0,6..72,300;0,6..72,400;0,6..72,500;1,6..72,300;1,6..72,400&display=swap');

:root {
  --serif: 'Newsreader', serif;
  --sans: 'Inter', sans-serif;

  --bg: #faf8f5;
  --surface: #ffffff;
  --dark: #241b13;
  --dark2: #33271b;
  --border: #e6ddd2;
  --border-light: #f0eae1;
  --text: #241d16;
  --text-2: #6b6055;
  --text-3: #a89c8d;

  --accent: #8b5e3c;       /* Walnut Brown */
  --accent-h: #6f4a2e;
  --accent-light: #f3e9de;
  --accent-mid: #c9b8a8;   /* Warm Taupe */

  --danger: #b3452f;
  --ok: #4c6b4f;
}

/* ══ RESET & BASE ══ */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button, input, select, textarea { font-family: var(--sans); }
button { cursor: pointer; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; margin: 0; color: var(--text); }
p { margin: 0; }

.nt-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 64px);
}
.nt-sec { padding: clamp(56px, 8vw, 108px) 0; }
.nt-sec-tight { padding: clamp(40px, 6vw, 72px) 0; }

.nt-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.nt-eyebrow::before { content:''; width: 28px; height: 1px; background: var(--accent); }

.nt-sec-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.3px;
}
.nt-sec-title em { font-style: italic; color: var(--accent); font-weight: 300; }
.nt-sec-sub {
  max-width: 540px;
  color: var(--text-2);
  font-weight: 300;
  font-size: 16px;
  margin-top: 14px;
}
.nt-sec-head { margin-bottom: clamp(32px, 5vw, 56px); }
.nt-sec-head.center { text-align: center; }
.nt-sec-head.center .nt-sec-sub { margin-left: auto; margin-right: auto; }
.nt-sec-head.between { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

/* ══ REVEAL ══ */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .72s ease, transform .72s 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; }

/* ══ BUTTONS ══ */
.nt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  border-radius: 2px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  transition: background .25s, border-color .25s, letter-spacing .25s;
  white-space: nowrap;
}
.nt-btn:hover { background: var(--accent-h); border-color: var(--accent-h); letter-spacing: 2.2px; }
.nt-btn:disabled { opacity: .5; cursor: not-allowed; }

.nt-btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 2px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  transition: border-color .25s, color .25s;
}
.nt-btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.nt-btn-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  background: #fff;
  color: var(--dark);
  border-radius: 2px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  border: none;
}
.nt-btn-light:hover { opacity: .88; }

/* Text-only link button — signature ZEN-MINIMAL component */
.nt-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--text);
  padding-bottom: 2px;
  transition: color .2s, border-color .2s, gap .2s;
}
.nt-link:hover { color: var(--accent); border-color: var(--accent); gap: 10px; }
.nt-link svg { width: 13px; height: 13px; flex-shrink: 0; }

/* ══════════════════════════════════════════════════════════════
   TOPBAR
   ══════════════════════════════════════════════════════════════ */
.nt-topbar {
  height: var(--topbar-h, 38px);
  background: var(--dark);
  color: rgba(255,255,255,.72);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 12px;
  font-weight: 300;
  letter-spacing: .3px;
  text-align: center;
  padding: 0 16px;
}
.nt-topbar-sep { color: rgba(255,255,255,.28); }

/* ══════════════════════════════════════════════════════════════
   NAV — Nav-2: Always Solid Light
   ══════════════════════════════════════════════════════════════ */
:root { --topbar-h: 38px; --nav-h: 78px; }
#nt-nav {
  position: fixed;
  top: var(--topbar-h);
  left: 0; right: 0;
  z-index: 200;
  transition: top .25s ease;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
/* Topbar chỉ hiện khi ở đỉnh trang (scroll=0) rồi cuộn ra khỏi flow bình thường —
   #nt-nav 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
   --topbar-h vĩnh viễn. Xem thêm body.scrolled .nt-toolbar-wrap bên dưới. */
body.scrolled #nt-nav { top: 0; }
.nt-nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nt-logo {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: 1px;
  color: var(--text);
  flex-shrink: 0;
}
.nt-logo em { font-style: italic; color: var(--accent); }
.nt-nav-links { display: flex; align-items: center; gap: 38px; }
.nt-nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  transition: color .2s;
  position: relative;
}
.nt-nav-links a:hover, .nt-nav-links a.active { color: var(--text); }
.nt-nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -24px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
}
.nt-nav-actions { display: flex; align-items: center; gap: 18px; }
.nt-nav-icon-btn {
  background: none; border: none; padding: 6px;
  color: var(--text-2);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  transition: color .2s;
}
.nt-nav-icon-btn:hover { color: var(--accent); }
.nt-nav-icon-btn svg { width: 19px; height: 19px; stroke-width: 1.5; }
.nt-cart-badge {
  position: absolute; top: -2px; right: -4px;
  width: 16px; height: 16px;
  background: var(--accent); color: #fff;
  font-size: 10px; font-weight: 600;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  line-height: 1;
}
.nt-hamburger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  background: none; border: none; padding: 6px; cursor: pointer;
}
.nt-hamburger span { display: block; width: 22px; height: 1.5px; background: var(--text); transition: transform .3s, opacity .3s; }
.nt-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nt-hamburger.open span:nth-child(2) { opacity: 0; }
.nt-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Search panel (nav) */
.nt-search-panel {
  position: fixed;
  top: calc(var(--topbar-h) + var(--nav-h));
  left: 0; right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  z-index: 190;
  padding: 22px 0;
}
.nt-search-form { display: flex; gap: 12px; max-width: 640px; margin: 0 auto; }
.nt-search-form input {
  flex: 1;
  border: none;
  border-bottom: 1px solid var(--border);
  background: transparent;
  padding: 10px 4px;
  font-size: 18px;
  font-family: var(--serif);
  font-style: italic;
  color: var(--text);
}
.nt-search-form input:focus { outline: none; border-color: var(--accent); }
.nt-search-form button { background: none; border: none; color: var(--accent); }
.nt-search-form button svg { width: 22px; height: 22px; }

/* Mobile nav overlay */
.nt-nav-mob {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg);
  z-index: 260;
  padding: 32px clamp(20px, 6vw, 48px);
  overflow-y: auto;
  transform: translateY(-100%);
  transition: transform .4s cubic-bezier(.4,0,.2,1);
}
.nt-nav-mob.open { transform: translateY(0); }
.nt-nav-mob-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
.nt-nav-mob-close { background: none; border: none; color: var(--text); }
.nt-nav-mob-close svg { width: 24px; height: 24px; }
.nt-nav-mob ul { display: flex; flex-direction: column; gap: 26px; }
.nt-nav-mob a { font-family: var(--serif); font-size: 30px; font-style: italic; font-weight: 300; color: var(--text); }
.nt-nav-mob a:hover { color: var(--accent); }
.nt-nav-mob-actions { margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 16px; }
.nt-nav-mob-actions a { font-size: 14px; color: var(--text-2); display: flex; align-items: center; gap: 10px; }

/* ══════════════════════════════════════════════════════════════
   BANNER MỎNG (Mode A — thay Hero fullscreen)
   ══════════════════════════════════════════════════════════════ */
.nt-banner {
  padding: calc(var(--topbar-h) + var(--nav-h) + 52px) 0 40px;
  text-align: center;
  background: var(--bg);
  border-bottom: 1px solid var(--border-light);
}
.nt-banner h1 {
  font-size: clamp(30px, 4.6vw, 48px);
  font-weight: 300;
  letter-spacing: -.4px;
  max-width: 760px;
  margin: 0 auto;
}
.nt-banner h1 em { color: var(--accent); font-style: italic; }
.nt-banner p {
  max-width: 480px;
  margin: 16px auto 28px;
  color: var(--text-2);
  font-weight: 300;
  font-size: 15px;
}
.nt-banner-search {
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  padding: 6px 6px 6px 22px;
}
.nt-banner-search input {
  flex: 1; border: none; background: none; font-size: 14px; color: var(--text);
}
.nt-banner-search input:focus { outline: none; }
.nt-banner-search button {
  background: var(--accent); color: #fff; border: none; border-radius: 999px;
  padding: 11px 24px; font-size: 12px; font-weight: 500; letter-spacing: 1.2px; text-transform: uppercase;
  display: flex; align-items: center; gap: 6px;
}
.nt-banner-search button:hover { background: var(--accent-h); }

/* Quick category shortcuts under banner */
.nt-quickcats {
  display: flex; justify-content: center; flex-wrap: wrap; gap: clamp(20px, 4vw, 44px);
  margin-top: 36px;
}
.nt-quickcat { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.nt-quickcat-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--accent-light); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, transform .2s;
}
.nt-quickcat-icon svg { width: 24px; height: 24px; stroke-width: 1.4; }
.nt-quickcat:hover .nt-quickcat-icon { background: var(--accent); color: #fff; transform: translateY(-3px); }
.nt-quickcat span { font-size: 12px; color: var(--text-2); font-weight: 500; }

/* ══════════════════════════════════════════════════════════════
   FILTER TOOLBAR
   ══════════════════════════════════════════════════════════════ */
.nt-toolbar-wrap {
  position: sticky;
  top: calc(var(--topbar-h) + var(--nav-h));
  z-index: 80;
  transition: top .25s ease;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
/* Nav đã tụt về top:0 sau khi cuộn (xem body.scrolled #nt-nav) → toolbar sticky
   chỉ cần chừa đúng chiều cao nav, không còn cộng thêm --topbar-h nữa. */
body.scrolled .nt-toolbar-wrap { top: var(--nav-h); }
.nt-toolbar-pills {
  display: flex; gap: 10px; overflow-x: auto; padding-bottom: 4px;
  scrollbar-width: none;
}
.nt-toolbar-pills::-webkit-scrollbar { display: none; }
.nt-pill {
  flex-shrink: 0;
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: all .2s;
}
.nt-pill:hover { border-color: var(--accent); color: var(--accent); }
.nt-pill.active { background: var(--text); border-color: var(--text); color: #fff; }

.nt-toolbar-controls {
  display: flex; align-items: center; gap: 18px; margin-top: 16px; flex-wrap: wrap;
}
.nt-toolbar-divider { width: 1px; height: 22px; background: var(--border); }

.nt-dropdown { position: relative; }
.nt-dropdown-btn {
  display: flex; align-items: center; gap: 7px;
  background: none; border: none;
  font-size: 13px; font-weight: 500; color: var(--text);
  padding: 6px 2px;
}
.nt-dropdown-btn svg { width: 13px; height: 13px; transition: transform .2s; }
.nt-dropdown-btn.open svg { transform: rotate(180deg); }
.nt-dd-badge {
  background: var(--accent); color: #fff; font-size: 10px; font-weight: 600;
  border-radius: 50%; width: 16px; height: 16px; display: flex; align-items: center; justify-content: center;
}
.nt-dropdown-menu {
  display: none;
  position: absolute; top: calc(100% + 12px); left: 0;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; box-shadow: 0 14px 36px rgba(36,29,22,.1);
  padding: 16px; min-width: 220px; z-index: 60;
}
.nt-dropdown-menu.show { display: block; }
.nt-dd-option {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 4px; font-size: 13px; color: var(--text-2); cursor: pointer;
}
.nt-dd-option:hover { color: var(--text); }
.nt-dd-option input { accent-color: var(--accent); width: 15px; height: 15px; }

.nt-price-range { display: flex; align-items: center; gap: 10px; }
.nt-price-range span { font-size: 12px; color: var(--text-2); white-space: nowrap; }
.nt-price-range input[type="range"] { width: 140px; accent-color: var(--accent); }

.nt-sort { display: flex; align-items: center; gap: 8px; }
.nt-sort svg { width: 14px; height: 14px; color: var(--text-2); }
.nt-sort select {
  border: none; background: none; font-size: 13px; font-weight: 500; color: var(--text);
  padding: 4px 20px 4px 0;
}
.nt-sort select:focus { outline: none; }

.nt-result-count { margin-left: auto; font-size: 13px; color: var(--text-3); }

/* Mobile toolbar row */
.nt-toolbar-mobile-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 14px; }
.nt-filter-mobile-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 999px; padding: 9px 18px; font-size: 13px; font-weight: 500; color: var(--text);
  position: relative;
}
.nt-filter-mobile-btn svg { width: 14px; height: 14px; }
.nt-filter-badge {
  background: var(--accent); color: #fff; font-size: 10px; font-weight: 700;
  border-radius: 50%; width: 17px; height: 17px; display: flex; align-items: center; justify-content: center;
}
.nt-sort-mobile { border: 1px solid var(--border); border-radius: 999px; padding: 9px 14px; background: var(--surface); font-size: 13px; color: var(--text); }

/* Active chips row */
.nt-chips-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin-top: 14px;
}
.nt-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-light); color: var(--accent-h);
  border-radius: 999px; padding: 6px 8px 6px 14px;
  font-size: 12px; font-weight: 500;
}
.nt-chip button { background: none; border: none; color: var(--accent-h); display: flex; padding: 2px; }
.nt-chip button svg { width: 12px; height: 12px; }
.nt-chip-clear { font-size: 12px; color: var(--text-2); border-bottom: 1px solid var(--text-2); padding-bottom: 1px; }
.nt-chip-clear:hover { color: var(--danger); border-color: var(--danger); }

/* ══════════════════════════════════════════════════════════════
   PRODUCT GRID & CARD — pure ZEN typography, no border/shadow
   ══════════════════════════════════════════════════════════════ */
.nt-catalog { padding: 40px 0 20px; }
.nt-prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 34px 26px;
}
@media (max-width: 1180px) { .nt-prod-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .nt-prod-grid { grid-template-columns: repeat(2, 1fr); gap: 26px 16px; } }

.nt-prod-card { display: block; }
.nt-prod-thumb {
  display: block;
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--accent-light);
  margin-bottom: 16px;
}
.nt-prod-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s cubic-bezier(.2,.6,.2,1);
}
.nt-prod-card:hover .nt-prod-thumb img { transform: scale(1.045); }
.nt-prod-badge {
  position: absolute; top: 14px; left: 14px;
  font-size: 10px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
  padding: 5px 11px;
  background: rgba(250,248,245,.92);
  color: var(--text);
}
.nt-prod-badge.sale { color: var(--danger); }
.nt-prod-badge.new { color: var(--ok); }
.nt-prod-badge.hot { color: var(--accent-h); }
.nt-prod-wish {
  position: absolute; top: 12px; right: 12px;
  width: 34px; height: 34px; border-radius: 50%;
  background: rgba(250,248,245,.9);
  display: flex; align-items: center; justify-content: center;
  color: var(--text);
  opacity: 0; transform: translateY(-6px);
  transition: opacity .25s, transform .25s;
}
.nt-prod-card:hover .nt-prod-wish { opacity: 1; transform: none; }
.nt-prod-wish svg { width: 16px; height: 16px; }
.nt-prod-wish.active svg { fill: var(--danger); stroke: var(--danger); }

.nt-prod-cat { font-size: 10px; letter-spacing: 1.4px; text-transform: uppercase; color: var(--text-3); margin-bottom: 6px; }
.nt-prod-name { font-family: var(--serif); font-size: 16px; font-weight: 400; line-height: 1.35; margin-bottom: 8px; }
.nt-prod-meta { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-3); margin-bottom: 10px; }
.nt-prod-meta svg { width: 12px; height: 12px; color: #d0a12e; }
.nt-prod-price-row { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.nt-prod-price { font-size: 16px; font-weight: 500; color: var(--text); }
.nt-prod-price.sale { color: var(--danger); }
.nt-prod-price-old { font-size: 13px; color: var(--text-3); text-decoration: line-through; }
.nt-prod-add {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 500; color: var(--text-2);
  border-bottom: 1px solid transparent;
  background: none; border-top: none; border-left: none; border-right: none;
  padding: 0 0 2px;
}
.nt-prod-add:hover { color: var(--accent); border-color: var(--accent); }
.nt-prod-add svg { width: 13px; height: 13px; }
.nt-prod-add.added { color: var(--ok); border-color: var(--ok); }

/* Empty state */
.nt-empty-state { text-align: center; padding: 90px 20px; }
.nt-empty-state svg { width: 52px; height: 52px; color: var(--text-3); margin-bottom: 20px; }
.nt-empty-state h3 { font-size: 22px; margin-bottom: 10px; }
.nt-empty-state p { color: var(--text-2); margin-bottom: 24px; }

/* Pagination */
.nt-pagination { display: flex; justify-content: center; gap: 8px; margin: 56px 0 20px; list-style: none; padding: 0; }
.nt-pagination .page-link {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-2);
  font-size: 13px; font-weight: 500; border-radius: 50%;
}
.nt-pagination .page-item.active .page-link { background: var(--text); border-color: var(--text); color: #fff; }
.nt-pagination .page-link:hover { border-color: var(--accent); color: var(--accent); }

/* ══════════════════════════════════════════════════════════════
   MOBILE OFFCANVAS FILTER
   ══════════════════════════════════════════════════════════════ */
.nt-offcanvas { position: fixed; inset: 0; z-index: 300; display: none; }
.nt-offcanvas.show { display: block; }
.nt-offcanvas-backdrop { position: absolute; inset: 0; background: rgba(36,29,22,.4); }
.nt-offcanvas-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(360px, 90vw);
  background: var(--surface);
  padding: 26px 24px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
}
.nt-offcanvas.show .nt-offcanvas-panel { transform: translateX(0); }
.nt-offcanvas-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.nt-offcanvas-title { font-family: var(--serif); font-size: 20px; }
.nt-offcanvas-close { background: none; border: none; }
.nt-offcanvas-close svg { width: 20px; height: 20px; }
.nt-filter-section { padding: 18px 0; border-bottom: 1px solid var(--border-light); }
.nt-filter-section-title { font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--text-2); margin-bottom: 12px; }
.nt-offcanvas-footer { position: sticky; bottom: 0; background: var(--surface); padding-top: 18px; margin-top: 6px; display: flex; gap: 10px; }

/* ══════════════════════════════════════════════════════════════
   FEATURE ICON ROW
   ══════════════════════════════════════════════════════════════ */
.nt-feature-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
  padding: 44px 0; border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light);
}
@media (max-width: 900px) { .nt-feature-row { grid-template-columns: repeat(2, 1fr); } }
.nt-feature-item { display: flex; align-items: flex-start; gap: 16px; }
.nt-feature-icon { color: var(--accent); flex-shrink: 0; }
.nt-feature-icon svg { width: 28px; height: 28px; stroke-width: 1.3; }
.nt-feature-item h4 { font-family: var(--sans); font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.nt-feature-item p { font-size: 13px; color: var(--text-2); }

/* ══════════════════════════════════════════════════════════════
   FAQ — LIST-ELEGANT accordion
   ══════════════════════════════════════════════════════════════ */
.nt-faq { max-width: 800px; margin: 0 auto; }
.nt-faq-item { border-bottom: 1px solid var(--border); }
.nt-faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  background: none; border: none; text-align: left;
  padding: 24px 0; font-family: var(--serif); font-size: 18px; color: var(--text);
}
.nt-faq-q svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; transition: transform .3s; }
.nt-faq-item.open .nt-faq-q svg { transform: rotate(45deg); }
.nt-faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.nt-faq-a-inner { padding-bottom: 24px; color: var(--text-2); font-size: 14px; line-height: 1.75; max-width: 680px; }
.nt-faq-item.open .nt-faq-a { max-height: 400px; }

/* ══════════════════════════════════════════════════════════════
   ALTERNATING STRIPS
   ══════════════════════════════════════════════════════════════ */
.nt-strip { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(32px, 6vw, 72px); }
.nt-strip + .nt-strip { margin-top: clamp(56px, 8vw, 96px); }
.nt-strip.rev .nt-strip-media { order: 2; }
.nt-strip.rev .nt-strip-text { order: 1; }
.nt-strip-media img { width: 100%; aspect-ratio: 5/4; object-fit: cover; }
.nt-strip-text .nt-num { font-family: var(--serif); font-style: italic; font-size: 15px; color: var(--accent); margin-bottom: 14px; display: block; }
.nt-strip-text h3 { font-size: clamp(22px, 3vw, 30px); font-weight: 300; margin-bottom: 16px; }
.nt-strip-text p { color: var(--text-2); font-size: 15px; line-height: 1.8; margin-bottom: 10px; }
@media (max-width: 820px) {
  .nt-strip { grid-template-columns: 1fr; }
  .nt-strip.rev .nt-strip-media, .nt-strip.rev .nt-strip-text { order: initial; }
}

/* ══════════════════════════════════════════════════════════════
   STAT BAR
   ══════════════════════════════════════════════════════════════ */
.nt-stats { background: var(--dark); color: #fff; padding: clamp(48px, 7vw, 80px) 0; }
.nt-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(32px, 6vw, 60px); text-align: center; }
@media (max-width: 1024px) { .nt-stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .nt-stats-grid { grid-template-columns: 1fr; } }
.nt-stat-num { font-family: var(--serif); font-size: clamp(36px, 5vw, 52px); font-weight: 300; color: #fff; }
.nt-stat-num em { color: var(--accent-mid); font-style: italic; }
.nt-stat-label { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 8px; letter-spacing: .4px; }

/* ══════════════════════════════════════════════════════════════
   FULL-BLEED DARK SLIDER — ve-chung-toi.html (Hero pattern, khác am-about-hero)
   ══════════════════════════════════════════════════════════════ */
.nt-showcase {
  position: relative;
  width: 100%;
  height: 78vh;
  min-height: 520px;
  overflow: hidden;
  background: var(--dark);
}
.nt-showcase-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}
.nt-showcase-slide.active { opacity: 1; }
.nt-showcase-slide img { width: 100%; height: 100%; object-fit: cover; opacity: .48; }
.nt-showcase-overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 clamp(24px, 6vw, 72px) 64px;
  background: linear-gradient(0deg, rgba(36,27,19,.75) 0%, rgba(36,27,19,0) 55%);
}
.nt-showcase-label { font-size: 12px; letter-spacing: 3px; text-transform: uppercase; color: var(--accent-mid); margin-bottom: 16px; }
.nt-showcase-overlay h1, .nt-showcase-overlay h2 {
  font-size: clamp(30px, 5vw, 56px); font-weight: 300; color: #fff; max-width: 760px; font-style: italic;
}
.nt-showcase-dots { position: absolute; bottom: 28px; right: clamp(24px, 6vw, 72px); display: flex; gap: 10px; }
.nt-showcase-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.35); border: none; padding: 0; transition: background .3s, transform .3s; }
.nt-showcase-dot.active { background: var(--accent-mid); transform: scale(1.3); }

/* ══════════════════════════════════════════════════════════════
   BENTO GRID (bo-suu-tap.html)
   ══════════════════════════════════════════════════════════════ */
.nt-bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 260px);
  gap: 18px;
}
.nt-bento-item {
  position: relative; overflow: hidden; display: block; color: #fff;
}
.nt-bento-item.big { grid-column: span 2; grid-row: span 2; }
.nt-bento-item.wide { grid-column: span 2; }
.nt-bento-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.nt-bento-item:hover img { transform: scale(1.06); }
.nt-bento-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(36,27,19,.72) 0%, rgba(36,27,19,.08) 60%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 22px;
}
.nt-bento-overlay span { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--accent-mid); margin-bottom: 6px; }
.nt-bento-overlay h3 { font-size: clamp(18px, 2.4vw, 26px); font-weight: 300; font-style: italic; color: #fff; }
@media (max-width: 900px) {
  .nt-bento { grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(4, 220px); }
  .nt-bento-item.big { grid-column: span 2; grid-row: span 1; }
  .nt-bento-item.wide { grid-column: span 2; }
}

/* ══════════════════════════════════════════════════════════════
   HORIZONTAL SCROLL (collection teaser)
   ══════════════════════════════════════════════════════════════ */
.nt-hscroll { display: flex; gap: 22px; overflow-x: auto; padding-bottom: 12px; scroll-snap-type: x mandatory; }
.nt-hscroll::-webkit-scrollbar { height: 5px; }
.nt-hscroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.nt-hscroll .nt-prod-card { flex: 0 0 260px; scroll-snap-align: start; }

/* ══════════════════════════════════════════════════════════════
   FULL-BLEED PROMO BANNER (khuyen-mai.html)
   ══════════════════════════════════════════════════════════════ */
.nt-promo-hero {
  width: 100%; padding: calc(var(--topbar-h) + var(--nav-h) + 64px) clamp(24px,6vw,72px) 64px;
  background: var(--dark2);
  color: #fff; text-align: center;
}
.nt-promo-hero .nt-eyebrow { color: var(--accent-mid); }
.nt-promo-hero .nt-eyebrow::before { background: var(--accent-mid); }
.nt-promo-hero h1 { color: #fff; font-size: clamp(32px, 5.2vw, 58px); font-weight: 300; }
.nt-promo-hero h1 em { color: var(--accent-mid); font-style: italic; }
.nt-promo-hero p { color: rgba(255,255,255,.68); max-width: 520px; margin: 18px auto 0; }
.nt-promo-countdown { display: flex; justify-content: center; gap: 14px; margin-top: 34px; }
.nt-cd-box { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); padding: 14px 18px; min-width: 74px; text-align: center; }
.nt-cd-box .num { font-family: var(--serif); font-size: 26px; }
.nt-cd-box .lbl { font-size: 10px; letter-spacing: 1px; text-transform: uppercase; color: rgba(255,255,255,.55); margin-top: 4px; }

.nt-voucher-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 820px) { .nt-voucher-row { grid-template-columns: 1fr; } }
.nt-voucher-card {
  border: 1px dashed var(--border);
  padding: 24px; display: flex; align-items: center; justify-content: space-between; gap: 14px;
  background: var(--surface);
}
.nt-voucher-card .code { font-family: var(--serif); font-size: 20px; letter-spacing: 1px; color: var(--accent); }
.nt-voucher-card .desc { font-size: 13px; color: var(--text-2); margin-top: 4px; }
.nt-voucher-copy { background: none; border: 1px solid var(--border); border-radius: 2px; padding: 8px 14px; font-size: 11px; letter-spacing: 1px; text-transform: uppercase; }
.nt-voucher-copy:hover { border-color: var(--accent); color: var(--accent); }

/* ══════════════════════════════════════════════════════════════
   PRODUCT DETAIL
   ══════════════════════════════════════════════════════════════ */
.nt-breadcrumb { font-size: 12px; color: var(--text-3); padding: calc(var(--topbar-h) + var(--nav-h) + 26px) 0 20px; }
.nt-breadcrumb a { color: var(--text-2); }
.nt-breadcrumb a:hover { color: var(--accent); }
.nt-pd-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 64px); }
@media (max-width: 900px) { .nt-pd-grid { grid-template-columns: 1fr; } }
.nt-pd-main-img { aspect-ratio: 4/5; overflow: hidden; margin-bottom: 14px; background: var(--accent-light); }
.nt-pd-main-img img { width: 100%; height: 100%; object-fit: cover; }
.nt-pd-thumbs { display: flex; gap: 10px; }
.nt-pd-thumb { width: 76px; height: 90px; overflow: hidden; cursor: pointer; opacity: .55; border-bottom: 2px solid transparent; }
.nt-pd-thumb.active { opacity: 1; border-color: var(--accent); }
.nt-pd-thumb img { width: 100%; height: 100%; object-fit: cover; }

.nt-pd-cat { font-size: 11px; letter-spacing: 1.6px; text-transform: uppercase; color: var(--text-3); margin-bottom: 10px; }
.nt-pd-title { font-size: clamp(26px, 3.2vw, 36px); font-weight: 300; margin-bottom: 12px; }
.nt-pd-meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-2); margin-bottom: 20px; }
.nt-pd-meta svg { width: 13px; height: 13px; color: #d0a12e; }
.nt-pd-price-row { display: flex; align-items: baseline; gap: 14px; margin-bottom: 22px; padding-bottom: 22px; border-bottom: 1px solid var(--border-light); }
.nt-pd-price { font-family: var(--serif); font-size: 30px; color: var(--text); }
.nt-pd-price.sale { color: var(--danger); }
.nt-pd-price-old { font-size: 16px; text-decoration: line-through; color: var(--text-3); }
.nt-pd-save { font-size: 12px; color: var(--danger); background: rgba(179,69,47,.08); padding: 3px 9px; border-radius: 3px; }

.nt-pd-specs { display: flex; flex-direction: column; gap: 10px; margin-bottom: 26px; }
.nt-pd-spec-row { display: flex; gap: 14px; font-size: 13px; }
.nt-pd-spec-row .k { width: 140px; color: var(--text-3); flex-shrink: 0; }
.nt-pd-spec-row .v { color: var(--text); font-weight: 500; }

.nt-pd-qty { display: flex; align-items: center; gap: 20px; margin-bottom: 22px; }
.nt-qty-box { display: flex; align-items: center; border: 1px solid var(--border); }
.nt-qty-box button { width: 40px; height: 44px; background: none; border: none; font-size: 16px; color: var(--text); }
.nt-qty-box input { width: 44px; height: 44px; border: none; border-left: 1px solid var(--border); border-right: 1px solid var(--border); text-align: center; font-size: 14px; }
.nt-pd-stock { font-size: 13px; color: var(--ok); display: flex; align-items: center; gap: 6px; }
.nt-pd-stock svg { width: 14px; height: 14px; }
.nt-pd-stock.out { color: var(--danger); }

.nt-pd-actions { display: flex; gap: 12px; margin-bottom: 30px; }
.nt-pd-actions .nt-btn { flex: 1; }
.nt-pd-wish-btn { width: 54px; height: 54px; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.nt-pd-wish-btn svg { width: 18px; height: 18px; }
.nt-pd-wish-btn.active svg { fill: var(--danger); stroke: var(--danger); }

.nt-pd-trust { display: flex; flex-direction: column; gap: 12px; padding: 20px; background: var(--accent-light); margin-bottom: 10px; }
.nt-pd-trust-item { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text); }
.nt-pd-trust-item svg { width: 17px; height: 17px; color: var(--accent); flex-shrink: 0; }

.nt-accordion-item { border-bottom: 1px solid var(--border); }
.nt-accordion-q { width: 100%; display: flex; justify-content: space-between; align-items: center; background: none; border: none; padding: 18px 0; font-size: 14px; font-weight: 600; text-align: left; }
.nt-accordion-q svg { width: 14px; height: 14px; transition: transform .3s; color: var(--accent); flex-shrink: 0; }
.nt-accordion-item.open .nt-accordion-q svg { transform: rotate(45deg); }
.nt-accordion-a { max-height: 0; overflow: hidden; transition: max-height .35s; }
.nt-accordion-item.open .nt-accordion-a { max-height: 320px; }
.nt-accordion-a-inner { padding-bottom: 18px; font-size: 13.5px; color: var(--text-2); line-height: 1.75; }

/* Related products / reviews */
.nt-review-summary { display: flex; align-items: center; gap: 20px; padding: 22px 0; border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); margin: 30px 0; }
.nt-review-score { font-family: var(--serif); font-size: 40px; color: var(--text); }
.nt-review-stars svg { width: 15px; height: 15px; color: #d0a12e; }
.nt-review-count { font-size: 12px; color: var(--text-3); }

/* ══════════════════════════════════════════════════════════════
   CART PAGE
   ══════════════════════════════════════════════════════════════ */
.nt-cart-grid { display: grid; grid-template-columns: 1fr 380px; gap: 48px; align-items: flex-start; }
@media (max-width: 900px) { .nt-cart-grid { grid-template-columns: 1fr; } }
.nt-cart-row { display: grid; grid-template-columns: 90px 1fr auto auto; gap: 18px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--border-light); }
.nt-cart-row img { width: 90px; height: 100px; object-fit: cover; }
.nt-cart-name { font-family: var(--serif); font-size: 15px; margin-bottom: 6px; }
.nt-cart-meta { font-size: 12px; color: var(--text-3); }
.nt-cart-remove { background: none; border: none; color: var(--text-3); font-size: 12px; text-decoration: underline; margin-top: 8px; }
.nt-cart-remove:hover { color: var(--danger); }
.nt-cart-summary { background: var(--surface); border: 1px solid var(--border-light); padding: 28px; position: sticky; top: 140px; }
.nt-cart-summary h3 { font-size: 18px; margin-bottom: 20px; }
.nt-cart-sum-row { display: flex; justify-content: space-between; font-size: 14px; color: var(--text-2); margin-bottom: 12px; }
.nt-cart-sum-row.total { font-size: 17px; color: var(--text); font-weight: 500; padding-top: 14px; border-top: 1px solid var(--border); margin-top: 14px; }
.nt-cart-empty { text-align: center; padding: 90px 20px; }
.nt-cart-empty svg { width: 60px; height: 60px; color: var(--text-3); margin-bottom: 22px; }

/* ══════════════════════════════════════════════════════════════
   FORMS (liên hệ, tài khoản...)
   ══════════════════════════════════════════════════════════════ */
.nt-field { margin-bottom: 20px; }
.nt-field label { display: block; font-size: 12px; font-weight: 600; letter-spacing: .4px; color: var(--text-2); margin-bottom: 8px; }
.nt-field input, .nt-field select, .nt-field textarea {
  width: 100%; border: none; border-bottom: 1px solid var(--border);
  background: transparent; padding: 10px 2px; font-size: 15px; color: var(--text);
}
.nt-field input:focus, .nt-field select:focus, .nt-field textarea:focus { outline: none; border-color: var(--accent); }
.nt-field textarea { resize: vertical; min-height: 110px; }

/* ══════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════ */
.nt-footer { background: var(--dark); color: rgba(255,255,255,.68); padding: clamp(56px, 8vw, 88px) 0 0; }
.nt-footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.1); }
@media (max-width: 900px) { .nt-footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .nt-footer-grid { grid-template-columns: 1fr; } }
.nt-footer-logo { font-family: var(--serif); font-size: 24px; color: #fff; margin-bottom: 14px; }
.nt-footer-logo em { font-style: italic; color: var(--accent-mid); }
.nt-footer-desc { font-size: 13.5px; line-height: 1.8; max-width: 300px; }
.nt-footer h5 { font-size: 12px; letter-spacing: 1.4px; text-transform: uppercase; color: #fff; margin-bottom: 18px; }
.nt-footer-links li { margin-bottom: 11px; }
.nt-footer-links a:hover { color: #fff; }
.nt-footer-social { display: flex; gap: 12px; margin-top: 18px; }
.nt-footer-social a { width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.nt-footer-social a:hover { border-color: var(--accent-mid); color: var(--accent-mid); }
.nt-footer-contact-item { display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px; margin-bottom: 12px; }
.nt-footer-contact-item svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; }
.nt-footer-maps { width: 100%; height: 300px; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 16px rgba(0,0,0,.35); margin: 40px 0; border: none; }
.nt-footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 24px 0 28px; font-size: 12.5px; }
.nt-footer-bottom-links { display: flex; gap: 20px; }
.nt-footer-bottom-links a:hover { color: #fff; }

/* Zalo float */
.nt-zalo-float { position: fixed; bottom: 26px; right: 26px; z-index: 150; }
.nt-zalo-float a {
  width: 54px; height: 54px; border-radius: 50%; background: #0068FF;
  display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 22px rgba(0,104,255,.35);
}

/* ══════════════════════════════════════════════════════════════
   LEGAL PAGES
   ══════════════════════════════════════════════════════════════ */
.nt-legal { max-width: 760px; margin: 0 auto; padding: calc(var(--topbar-h) + var(--nav-h) + 56px) 0 80px; }
.nt-legal h1 { font-size: clamp(28px,4vw,40px); margin-bottom: 8px; }
.nt-legal .updated { font-size: 13px; color: var(--text-3); margin-bottom: 40px; }
.nt-legal h2 { font-size: 20px; font-weight: 500; font-family: var(--sans); margin: 36px 0 14px; }
.nt-legal p, .nt-legal li { font-size: 14.5px; color: var(--text-2); line-height: 1.85; margin-bottom: 12px; }
.nt-legal ul { padding-left: 20px; list-style: disc; }

/* Utility */
.nt-hidden { display: none !important; }
@media (max-width: 991px) {
  .nt-nav-links, .d-lg-flex { display: none !important; }
  .nt-hamburger { display: flex !important; }
}
