/* ═══════════════════════════════════════════
   G-TECH · Luxury Jewelry-Retail System (PNJ-inspired)
   Burgundy + Champagne Gold · Playfair Display + Manrope
   ═══════════════════════════════════════════ */
:root {
  --wine: #8a1538;
  --wine-2: #6d0f2b;
  --wine-dark: #4a0a1d;
  --wine-soft: #fbeef2;
  --wine-line: #f0d8df;
  --gold: #b8902f;
  --gold-2: #caa24b;
  --gold-bright: #d4af37;
  --gold-light: #e7d3a1;
  --gold-soft: #faf3e4;
  --cream: #faf7f2;
  --cream-2: #f4ede3;
  --paper: #ffffff;
  --ink: #2b1a20;
  --ink-2: #6a5560;
  --muted: #9a8890;
  --line: #ece4dc;
  --line-2: #e0d4c8;

  --r: 10px;
  --r-lg: 18px;
  --shadow-sm: 0 1px 3px rgba(74,10,29,.05), 0 1px 2px rgba(74,10,29,.04);
  --shadow: 0 18px 40px -18px rgba(74,10,29,.18), 0 4px 12px rgba(74,10,29,.06);
  --shadow-lg: 0 40px 80px -30px rgba(74,10,29,.3), 0 12px 30px rgba(74,10,29,.1);
  --grad-gold: linear-gradient(135deg, #e7d3a1 0%, #b8902f 45%, #8a6a1e 100%);
  --grad-wine: linear-gradient(135deg, #8a1538 0%, #4a0a1d 100%);
  --container: 1240px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600; color: var(--ink);
  margin: 0 0 .4em; line-height: 1.12;
  letter-spacing: -0.01em; text-wrap: balance;
}
h1 { font-size: clamp(2.4rem, 5.2vw, 4.2rem); font-weight: 600; }
h2 { font-size: clamp(1.9rem, 3.8vw, 2.9rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.45rem); }
p { text-wrap: pretty; color: var(--ink-2); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }
@media (max-width: 640px){ .container { padding: 0 18px; } }

/* ─────────── Helpers ─────────── */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: 'Manrope', sans-serif;
  font-size: .74rem; font-weight: 700;
  color: var(--wine); text-transform: uppercase; letter-spacing: .28em;
}
.eyebrow::before {
  content: ""; width: 28px; height: 1px; background: var(--gold);
}
.eyebrow.center::after {
  content: ""; width: 28px; height: 1px; background: var(--gold);
}
.eyebrow.gold { color: var(--gold); }
.eyebrow.on-wine { color: var(--gold-light); }
.eyebrow.on-wine::before, .eyebrow.on-wine::after { background: var(--gold-light); }
.serif { font-family: 'Playfair Display', serif; }
.gold-text {
  background: var(--grad-gold);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.italic { font-style: italic; }

/* ─────────── Topbar ─────────── */
.topbar {
  background: var(--wine);
  color: rgba(255,255,255,.85);
  font-size: .8rem;
}
.topbar .container {
  display: flex; justify-content: space-between; align-items: center;
  min-height: 38px; padding-top: 6px; padding-bottom: 6px; gap: 16px; flex-wrap: wrap;
}
.topbar a { color: #fff; }
.topbar a:hover { color: var(--gold-light); }
.topbar .left { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.topbar .left b { color: var(--gold-light); font-weight: 600; }
.topbar .lang { display: inline-flex; gap: 4px; }
.topbar .lang button {
  border: 1px solid rgba(255,255,255,.25); padding: 2px 9px; border-radius: 4px;
  font-size: .72rem; font-weight: 600; color: rgba(255,255,255,.85); transition: .2s;
}
.topbar .lang button.active { background: var(--gold); border-color: var(--gold); color: #fff; }

/* ─────────── Header ─────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(150%) blur(16px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 80px; gap: 24px;
}
.logo { display: inline-flex; align-items: center; gap: 13px; }
.logo-mark {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--grad-wine);
  display: grid; place-items: center; color: var(--gold-light);
  font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.3rem;
  position: relative; overflow: hidden;
  border: 1.5px solid var(--gold);
  box-shadow: 0 6px 18px -6px rgba(138,21,56,.5);
}
.logo-mark::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 32% 26%, rgba(255,255,255,.3), transparent 55%);
}
.logo .name { font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.4rem; letter-spacing: .01em; color: var(--ink); }
.logo .tag { display: block; font-size: .62rem; font-weight: 700; color: var(--gold); letter-spacing: .22em; text-transform: uppercase; margin-top: 2px; }

.nav { display: flex; gap: 2px; align-items: center; }
.nav a {
  padding: 10px 16px; font-weight: 600; font-size: .92rem; color: var(--ink-2);
  position: relative; transition: color .2s;
}
.nav a::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 6px; height: 1.5px;
  background: var(--gold); transform: scaleX(0); transform-origin: center; transition: transform .25s;
}
.nav a:hover { color: var(--wine); }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.nav a.active { color: var(--wine); }

.header-cta { display: flex; gap: 10px; align-items: center; }
.icon-btn {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center; color: var(--ink-2);
  border: 1px solid var(--line); transition: .2s;
}
.icon-btn:hover { color: var(--wine); border-color: var(--wine-line); background: var(--wine-soft); }
.icon-btn svg { width: 19px; height: 19px; }

/* ─────────── Buttons ─────────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: 999px;
  font-family: 'Manrope', sans-serif; font-weight: 700; font-size: .9rem;
  letter-spacing: .02em; cursor: pointer;
  transition: transform .2s, box-shadow .25s, background .2s, color .2s;
  white-space: nowrap; position: relative; overflow: hidden;
}
.btn-primary {
  background: var(--wine); color: #fff;
  box-shadow: 0 12px 26px -12px rgba(138,21,56,.65);
}
.btn-primary:hover { background: var(--wine-2); transform: translateY(-2px); box-shadow: 0 18px 34px -14px rgba(138,21,56,.75); }
.btn-gold {
  background: var(--grad-gold); color: #3a2c0a;
  box-shadow: 0 12px 26px -12px rgba(184,144,47,.6);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -14px rgba(184,144,47,.7); }
.btn-outline {
  background: transparent; color: var(--wine);
  border: 1.5px solid var(--wine-line);
}
.btn-outline:hover { background: var(--wine-soft); border-color: var(--wine); }
.btn-light { background: #fff; color: var(--wine); box-shadow: var(--shadow-sm); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-ghost-gold { background: transparent; color: var(--gold-light); border: 1.5px solid rgba(231,211,161,.4); }
.btn-ghost-gold:hover { background: rgba(231,211,161,.12); border-color: var(--gold-light); }
.btn-zalo { background: #0084ff; color: #fff; box-shadow: 0 12px 26px -12px rgba(0,132,255,.65); }
.btn-zalo:hover { transform: translateY(-2px); }
.btn-sm { padding: 10px 18px; font-size: .82rem; }

/* ─────────── Page hero ─────────── */
.page-hero {
  position: relative; padding: clamp(50px, 7vw, 84px) 0 clamp(36px, 5vw, 54px);
  background:
    radial-gradient(1000px 400px at 80% -20%, var(--gold-soft), transparent 70%),
    linear-gradient(180deg, #fff 0%, var(--cream) 100%);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.crumbs { font-size: .8rem; color: var(--muted); margin-bottom: 18px; letter-spacing: .04em; }
.crumbs a { color: var(--muted); transition: color .2s; }
.crumbs a:hover { color: var(--wine); }
.crumbs .sep { margin: 0 8px; color: var(--gold); }
.page-hero .eyebrow { justify-content: center; }

/* ─────────── Sections ─────────── */
.section { padding: clamp(64px, 8vw, 110px) 0; position: relative; }
.section-head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { margin-top: 16px; }
.section-head p { font-size: 1.08rem; margin-top: 14px; color: var(--ink-2); }
.section-head .eyebrow { justify-content: center; }
.section-head.left { margin-left: 0; text-align: left; }
.section-head.left .eyebrow { justify-content: flex-start; }

.divider-row { display: flex; align-items: center; justify-content: center; gap: 16px; margin: 0 auto; }
.divider-row::before, .divider-row::after { content: ""; height: 1px; width: 60px; background: var(--line-2); }
.diamond { width: 7px; height: 7px; background: var(--gold); transform: rotate(45deg); }

/* ─────────── Hero ─────────── */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(48px, 7vw, 96px) 0 clamp(60px, 9vw, 110px);
  background:
    radial-gradient(900px 500px at 88% 8%, var(--gold-soft), transparent 60%),
    radial-gradient(700px 500px at 0% 100%, var(--wine-soft), transparent 55%),
    linear-gradient(180deg, #fff, var(--cream));
}
.hero-grid { display: grid; grid-template-columns: 1.02fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 960px){ .hero-grid { grid-template-columns: 1fr; gap: 44px; } }
.hero h1 { margin: 22px 0 22px; }
.hero h1 .line { display: block; }
.hero h1 .accent { font-style: italic; }
.hero .lead { font-size: 1.12rem; max-width: 52ch; margin-bottom: 32px; color: var(--ink-2); }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; padding-top: 32px; border-top: 1px solid var(--line); }
.hero-stat strong { display: block; font-family: 'Playfair Display', serif; font-size: 2.1rem; font-weight: 600; color: var(--wine); }
.hero-stat span { font-size: .82rem; color: var(--muted); letter-spacing: .03em; }

/* Hero jewel-box visual */
.hero-visual {
  position: relative; aspect-ratio: 4/5;
  border-radius: 20px; overflow: hidden;
  background: linear-gradient(165deg, #2a0f1a 0%, #4a0a1d 55%, #1c0810 100%);
  border: 1px solid rgba(184,144,47,.3);
  box-shadow: var(--shadow-lg);
}
.hero-visual::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 75% 40% at 50% 6%, rgba(231,211,161,.5), transparent 60%),
    radial-gradient(ellipse 60% 30% at 50% 100%, rgba(184,144,47,.2), transparent 65%);
}
.hero-visual::after {
  content: ""; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(231,211,161,.07) 25deg, transparent 55deg, transparent 360deg);
  animation: sweep 16s linear infinite; pointer-events: none;
}
@keyframes sweep { to { transform: rotate(360deg); } }
.jbox {
  position: absolute; left: 11%; right: 11%; top: 9%; bottom: 12%;
  border: 1px solid rgba(231,211,161,.35); border-radius: 10px;
  display: flex; flex-direction: column;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(0,0,0,.15));
  overflow: hidden;
}
.jbox .shelf {
  flex: 1; position: relative;
  border-top: 1px solid rgba(231,211,161,.18);
  display: flex; align-items: center; justify-content: space-around; padding: 0 9%;
}
.jbox .shelf:first-child { border-top: none; }
.jbox .shelf::before {
  content: ""; position: absolute; top: 5px; left: 7%; right: 7%; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, transparent, #fff6da 10%, #ffe9a8 50%, #fff6da 90%, transparent);
  box-shadow: 0 0 14px rgba(255,233,168,.9), 0 8px 28px rgba(212,175,55,.5);
  animation: barpulse 4.2s ease-in-out infinite;
}
.jbox .shelf:nth-child(2)::before { animation-delay: .9s; }
.jbox .shelf:nth-child(3)::before { animation-delay: 1.7s; }
@keyframes barpulse { 0%,100% { filter: brightness(1); } 50% { filter: brightness(1.28); } }
.jbox .shelf::after {
  content: ""; position: absolute; left: 0; right: 0; top: 8px; height: 70%;
  background: radial-gradient(ellipse 80% 100% at 50% 0%, rgba(255,220,140,.22), transparent 70%);
}
.jwl { position: relative; border-radius: 4px; }
.jwl.ring {
  width: 13%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff8e0, #e0b85e 50%, #8a5a18 92%);
  box-shadow: 0 0 18px rgba(255,210,120,.5);
}
.jwl.bar {
  width: 22%; aspect-ratio: 1.7/1; border-radius: 3px;
  background: linear-gradient(180deg, #fff4cc, #e0b85e 45%, #9c6d20);
  box-shadow: 0 0 16px rgba(255,210,120,.45);
}
.jwl.gem {
  width: 11%; aspect-ratio: 1; transform: rotate(45deg); border-radius: 3px;
  background: linear-gradient(135deg, #ffd9e6, #e89ab8 45%, #8a1538);
  box-shadow: 0 0 18px rgba(232,154,184,.5);
}
.jwl::after {
  content: ""; position: absolute; top: 16%; left: 16%; width: 28%; height: 28%; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.9), transparent 60%);
  filter: blur(1.5px); animation: sparkle 3s ease-in-out infinite;
}
@keyframes sparkle { 0%,100% { opacity: .6; transform: scale(1); } 50% { opacity: 1; transform: scale(1.4); } }
.hero-visual .cap {
  position: absolute; left: 18px; bottom: 18px; right: 18px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 16px; border-radius: 10px;
  background: rgba(28,8,16,.72); backdrop-filter: blur(10px);
  border: 1px solid rgba(231,211,161,.25);
  color: var(--gold-light); font-size: .78rem; letter-spacing: .03em;
}
.hero-visual .cap .dot { width: 7px; height: 7px; border-radius: 50%; background: #7ee0a0; box-shadow: 0 0 0 3px rgba(126,224,160,.25); }
.hero-visual .frame-corner {
  position: absolute; width: 26px; height: 26px; border: 1.5px solid rgba(231,211,161,.5);
}
.hero-visual .fc-tl { top: 16px; left: 16px; border-right: none; border-bottom: none; }
.hero-visual .fc-tr { top: 16px; right: 16px; border-left: none; border-bottom: none; }

/* ─────────── Marquee trust ─────────── */
.marquee-wrap { padding: 32px 0; border-block: 1px solid var(--line); background: var(--paper); overflow: hidden; position: relative; }
.marquee-wrap::before, .marquee-wrap::after { content: ""; position: absolute; top: 0; bottom: 0; width: 120px; z-index: 2; pointer-events: none; }
.marquee-wrap::before { left: 0; background: linear-gradient(90deg, #fff, transparent); }
.marquee-wrap::after { right: 0; background: linear-gradient(-90deg, #fff, transparent); }
.marquee-label { text-align: center; font-size: .72rem; letter-spacing: .26em; text-transform: uppercase; color: var(--muted); margin-bottom: 20px; font-weight: 700; }
.marquee { display: flex; gap: 64px; align-items: center; animation: scroll 30s linear infinite; width: max-content; }
.marquee span { font-family: 'Playfair Display', serif; font-weight: 600; font-size: 1.6rem; color: var(--ink); opacity: .42; white-space: nowrap; transition: opacity .3s; letter-spacing: .02em; }
.marquee span:hover { opacity: 1; color: var(--wine); }
.marquee .sep { color: var(--gold); opacity: .6; font-size: 1rem; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ─────────── Category collection ─────────── */
.collections { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px){ .collections { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .collections { grid-template-columns: 1fr; } }
.collection {
  position: relative; overflow: hidden; border-radius: var(--r-lg);
  aspect-ratio: 3/4; border: 1px solid var(--line);
  background: linear-gradient(165deg, #2a0f1a, #4a0a1d);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 28px; color: #fff;
  transition: transform .3s, box-shadow .3s;
}
.collection:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.collection::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 40% at 50% 18%, rgba(255,233,168,.4), transparent 60%);
}
.collection::after {
  content: ""; position: absolute; left: 14%; right: 14%; top: 30%; height: 4px; border-radius: 4px;
  background: linear-gradient(90deg, transparent, #fff6da, #ffe9a8, #fff6da, transparent);
  box-shadow: 0 0 22px rgba(255,220,140,.85);
  animation: barpulse 4s ease-in-out infinite;
}
.collection .glow-item {
  position: absolute; top: 42%; left: 50%; transform: translateX(-50%);
  width: 54px; height: 54px; border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, #fff8e0, #e0b85e 48%, #8a5a18);
  box-shadow: 0 0 34px rgba(255,210,120,.7);
}
.collection .ct { position: relative; z-index: 2; }
.collection .ct .k { font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gold-light); font-weight: 700; }
.collection h3 { color: #fff; margin: 8px 0 4px; font-size: 1.5rem; }
.collection .ct p { color: rgba(255,255,255,.78); font-size: .88rem; margin: 0; }
.collection .arrow {
  position: relative; z-index: 2; margin-top: 16px;
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .84rem; font-weight: 700; color: var(--gold-light); letter-spacing: .04em;
}

/* ─────────── Product cards ─────────── */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 960px){ .product-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .product-grid { grid-template-columns: 1fr; } }
.pcard {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.pcard:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--line-2); }
.pcard:hover .pcard-media .specimen { transform: translateX(-50%) scale(1.06); }
.pcard-media {
  aspect-ratio: 4/3; position: relative; overflow: hidden;
  background: linear-gradient(165deg, #2a0f1a, #4a0a1d);
}
.pcard-media::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 36% at 50% 22%, rgba(255,233,168,.4), transparent 62%);
}
.pcard-media .lightbar {
  position: absolute; left: 12%; right: 12%; top: 28%; height: 5px; border-radius: 4px;
  background: linear-gradient(90deg, transparent, #fff6da 12%, #ffe9a8 50%, #fff6da 88%, transparent);
  box-shadow: 0 0 22px rgba(255,220,140,.9), 0 10px 36px rgba(212,175,55,.5);
  animation: barpulse 4s ease-in-out infinite;
}
.pcard-media .specimen {
  position: absolute; bottom: 22%; left: 50%; transform: translateX(-50%);
  width: 56px; height: 56px; border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, #fff8e0, #e0b85e 48%, #8a5a18);
  box-shadow: 0 0 30px rgba(255,210,120,.65); transition: transform .35s;
}
.pcard-media .specimen.bar { width: 48px; height: 20px; border-radius: 4px; background: linear-gradient(180deg, #fff4cc, #e0b85e 45%, #9c6d20); }
.pcard-media .specimen.gem { width: 42px; height: 42px; border-radius: 6px; transform: translateX(-50%) rotate(45deg); background: linear-gradient(135deg, #ffd9e6, #e89ab8 45%, #8a1538); }
.pcard-media .tag {
  position: absolute; top: 14px; left: 14px; z-index: 3;
  font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  background: rgba(255,255,255,.95); color: var(--wine); padding: 5px 11px; border-radius: 999px;
}
.pcard-media .tag.gold { background: var(--grad-gold); color: #3a2c0a; }
.pcard-body { padding: 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.pcard-body h3 { margin: 0; font-size: 1.18rem; }
.pcard-body p { margin: 0; font-size: .89rem; color: var(--ink-2); }
.pcard-specs { display: flex; gap: 7px; flex-wrap: wrap; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }
.pcard-specs span { font-size: .7rem; font-weight: 600; color: var(--ink-2); background: var(--cream-2); padding: 4px 10px; border-radius: 999px; }
.pcard-foot { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; }
.pcard-foot .price { font-family: 'Playfair Display', serif; font-weight: 600; color: var(--wine); }
.pcard-foot .more { font-size: .82rem; font-weight: 700; color: var(--gold); display: inline-flex; gap: 6px; align-items: center; }

/* ─────────── Feature cards ─────────── */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px){ .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .features { grid-template-columns: 1fr; } }
.feature {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 32px 28px; transition: transform .25s, box-shadow .25s, border-color .25s;
  position: relative; overflow: hidden;
}
.feature::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad-gold); transform: scaleX(0); transform-origin: left; transition: transform .35s;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--line-2); }
.feature:hover::before { transform: scaleX(1); }
.feature .ic {
  width: 54px; height: 54px; border-radius: 14px;
  background: var(--wine-soft); color: var(--wine);
  display: grid; place-items: center; margin-bottom: 18px;
}
.feature .ic svg { width: 26px; height: 26px; }
.feature h3 { margin: 0 0 8px; font-size: 1.25rem; }
.feature p { margin: 0; color: var(--ink-2); font-size: .94rem; }

/* ─────────── Showcase band (wine) ─────────── */
.band {
  position: relative; overflow: hidden;
  background: var(--grad-wine); color: #fff;
}
.band::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(700px 400px at 90% 15%, rgba(231,211,161,.18), transparent 60%),
    radial-gradient(500px 400px at 5% 95%, rgba(231,211,161,.1), transparent 60%);
}
.band-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 900px){ .band-grid { grid-template-columns: 1fr; gap: 40px; } }
.band h2 { color: #fff; }
.band h2 .gold-text { background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.band p { color: rgba(255,255,255,.82); }
.band .stats-mini { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.band .stat-card { padding: 24px; border: 1px solid rgba(231,211,161,.25); border-radius: var(--r-lg); background: rgba(255,255,255,.04); }
.band .stat-card .n { font-family: 'Playfair Display', serif; font-size: 2.4rem; font-weight: 600; color: var(--gold-light); }
.band .stat-card .l { font-size: .8rem; color: rgba(255,255,255,.7); letter-spacing: .04em; }

/* ─────────── Process / timeline ─────────── */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 900px){ .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px){ .steps { grid-template-columns: 1fr; } }
.step {
  position: relative; padding: 30px 26px; border-radius: var(--r-lg);
  background: var(--paper); border: 1px solid var(--line);
}
.step .num {
  font-family: 'Playfair Display', serif; font-size: 2.6rem; font-weight: 600;
  line-height: 1; color: transparent; -webkit-background-clip: text; background-clip: text;
  background: var(--grad-gold); margin-bottom: 14px; display: block;
}
.step h3 { margin: 0 0 7px; font-size: 1.18rem; }
.step p { margin: 0; color: var(--ink-2); font-size: .9rem; }

/* ─────────── Blog ─────────── */
.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 900px){ .posts { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .posts { grid-template-columns: 1fr; } }
.post { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s; }
.post:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.post .cover { aspect-ratio: 16/10; position: relative; background: linear-gradient(165deg, #2a0f1a, #4a0a1d); }
.post .cover::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 50% 40%, rgba(255,220,140,.4), transparent 60%); }
.post .cover .label { position: absolute; top: 14px; left: 14px; background: rgba(255,255,255,.95); color: var(--wine); padding: 4px 11px; border-radius: 999px; font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; z-index: 2; }
.post .body { padding: 22px; flex: 1; display: flex; flex-direction: column; gap: 9px; }
.post h3 { margin: 0; font-size: 1.18rem; }
.post .excerpt { margin: 0; color: var(--ink-2); font-size: .9rem; flex: 1; }
.post .meta { font-size: .76rem; color: var(--muted); margin-top: 8px; letter-spacing: .03em; }

/* ─────────── CTA band ─────────── */
.cta-band {
  position: relative; overflow: hidden; border-radius: 24px;
  background: var(--grad-wine); color: #fff;
  padding: clamp(44px, 6vw, 76px);
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 44px; align-items: center;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 360px at 88% 12%, rgba(231,211,161,.25), transparent 60%);
}
.cta-band::after {
  content: ""; position: absolute; top: -50%; right: -10%; width: 60%; height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(231,211,161,.06) 30deg, transparent 60deg, transparent 360deg);
  animation: sweep 18s linear infinite;
}
@media (max-width: 800px){ .cta-band { grid-template-columns: 1fr; } }
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.82); margin: 14px 0 0; max-width: 48ch; }
.cta-band .actions { display: flex; flex-direction: column; gap: 12px; }
.cta-band .actions .btn { justify-content: center; }
.cta-band .actions .meta { font-size: .78rem; color: rgba(255,255,255,.65); text-align: center; margin-top: 4px; letter-spacing: .04em; }

/* ─────────── Footer ─────────── */
.footer { background: var(--wine-dark); color: rgba(255,255,255,.75); padding: 68px 0 28px; }
.footer .grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 44px; padding-bottom: 38px; border-bottom: 1px solid rgba(255,255,255,.1); }
@media (max-width: 720px){ .footer .grid { grid-template-columns: 1fr 1fr; gap: 30px; } }
@media (max-width: 460px){ .footer .grid { grid-template-columns: 1fr; } }
.footer .logo .name { color: #fff; }
.footer h4 { color: var(--gold-light); font-family: 'Manrope', sans-serif; font-size: .74rem; letter-spacing: .2em; text-transform: uppercase; font-weight: 700; margin: 0 0 18px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer a { color: rgba(255,255,255,.75); font-size: .92rem; line-height: 2; transition: color .2s; }
.footer a:hover { color: var(--gold-light); }
.footer .about { color: rgba(255,255,255,.6); font-size: .92rem; margin-top: 14px; max-width: 38ch; }
.footer .bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; font-size: .82rem; color: rgba(255,255,255,.5); flex-wrap: wrap; gap: 12px; }

/* ─────────── Products list filter ─────────── */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 44px; }
.filter-bar button {
  padding: 10px 20px; border-radius: 999px; font-weight: 600; font-size: .86rem;
  color: var(--ink-2); border: 1px solid var(--line); background: var(--paper); transition: all .2s;
}
.filter-bar button:hover { border-color: var(--wine-line); color: var(--wine); }
.filter-bar button.active { background: var(--wine); color: #fff; border-color: var(--wine); }

/* ─────────── Product detail ─────────── */
.pd-top { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; padding: 50px 0; }
@media (max-width: 900px){ .pd-top { grid-template-columns: 1fr; gap: 34px; } }
.pd-gallery .main {
  position: relative; aspect-ratio: 4/3; overflow: hidden; border-radius: var(--r-lg);
  background: linear-gradient(165deg, #2a0f1a, #4a0a1d); border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.pd-gallery .main::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 80% 40% at 50% 16%, rgba(255,233,168,.45), transparent 62%); }
.pd-gallery .main::after { content: ""; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: conic-gradient(from 0deg, transparent, rgba(231,211,161,.06) 28deg, transparent 56deg, transparent 360deg); animation: sweep 16s linear infinite; }
.pd-gallery .lightbar-xl { position: absolute; left: 10%; right: 10%; top: 24%; height: 7px; border-radius: 4px; z-index: 2; background: linear-gradient(90deg, transparent, #fff6da 10%, #ffe9a8 50%, #fff6da 90%, transparent); box-shadow: 0 0 30px rgba(255,220,140,.9), 0 14px 46px rgba(212,175,55,.55); animation: barpulse 4s ease-in-out infinite; }
.pd-gallery .gems { position: absolute; bottom: 22%; left: 0; right: 0; z-index: 2; display: flex; justify-content: space-around; padding: 0 14%; }
.pd-gallery .gems i { width: 44px; height: 44px; border-radius: 50%; background: radial-gradient(circle at 32% 30%, #fff8e0, #e0b85e 48%, #8a5a18); box-shadow: 0 0 26px rgba(255,210,120,.7); }
.pd-gallery .frame-corner { position: absolute; width: 24px; height: 24px; border: 1.5px solid rgba(231,211,161,.5); z-index: 3; }
.pd-gallery .fc-tl { top: 14px; left: 14px; border-right: none; border-bottom: none; }
.pd-gallery .fc-br { bottom: 14px; right: 14px; border-left: none; border-top: none; }
.pd-gallery .thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 12px; }
.pd-gallery .thumbs .t { aspect-ratio: 1; border-radius: 10px; cursor: pointer; overflow: hidden; position: relative; border: 1.5px solid var(--line); background: linear-gradient(165deg, #2a0f1a, #4a0a1d); transition: all .2s; }
.pd-gallery .thumbs .t::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 50% 40%, rgba(255,220,140,.45), transparent 58%); }
.pd-gallery .thumbs .t.active { border-color: var(--gold); box-shadow: 0 0 0 1px var(--gold); }
.pd-gallery .thumbs .t:hover { transform: translateY(-2px); }

.pd-info .eyebrow { margin-bottom: 14px; }
.pd-info h1 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); margin: 0 0 8px; }
.pd-info .sku { font-size: .84rem; color: var(--muted); letter-spacing: .04em; margin-bottom: 18px; }
.pd-info .sku b { color: var(--wine); font-weight: 600; }
.pd-info .lead { color: var(--ink-2); margin-bottom: 22px; font-size: 1.02rem; }
.price-box { display: flex; align-items: baseline; gap: 14px; padding: 20px 24px; margin: 22px 0; background: var(--gold-soft); border: 1px solid var(--gold-light); border-radius: var(--r); }
.price-box .v { font-family: 'Playfair Display', serif; font-size: 1.5rem; font-weight: 600; color: var(--wine); }
.price-box small { color: var(--ink-2); font-size: .82rem; }
.options { margin: 20px 0; }
.option-label { font-size: .74rem; font-weight: 700; color: var(--muted); margin-bottom: 10px; letter-spacing: .14em; text-transform: uppercase; }
.option-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.option-chips .c { padding: 11px 17px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--paper); font-weight: 600; font-size: .88rem; color: var(--ink-2); transition: all .2s; }
.option-chips .c:hover { border-color: var(--gold); color: var(--ink); }
.option-chips .c.active { border-color: var(--wine); background: var(--wine-soft); color: var(--wine); }
.option-chips .c .m { color: var(--muted); font-weight: 400; }
.pd-actions { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; }
.specs { margin-top: 28px; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--paper); }
.specs .row { display: grid; grid-template-columns: 1fr 1.4fr; padding: 13px 18px; border-bottom: 1px solid var(--line); font-size: .9rem; align-items: center; }
.specs .row:last-child { border-bottom: none; }
.specs .row:nth-child(even) { background: var(--cream); }
.specs .row strong { color: var(--muted); font-weight: 600; font-size: .82rem; letter-spacing: .03em; text-transform: uppercase; }
.specs .row span { color: var(--ink); font-weight: 500; }
.specs .row span b { color: var(--wine); font-weight: 700; }

.pd-desc { padding: 64px 0; border-top: 1px solid var(--line); background: var(--paper); }
.pd-desc-grid { display: grid; grid-template-columns: 1fr 2.2fr; gap: 48px; }
@media (max-width: 800px){ .pd-desc-grid { grid-template-columns: 1fr; gap: 24px; } }
.pd-desc h2 { margin-top: 0; }
.pd-desc h3 { margin: 28px 0 10px; font-size: 1.3rem; }
.pd-desc p { line-height: 1.8; margin: 10px 0; color: var(--ink-2); }
.pd-desc ul { padding-left: 22px; margin: 0; color: var(--ink-2); }
.pd-desc ul li { padding: 6px 0; line-height: 1.7; }
.pd-desc ul li::marker { color: var(--gold); }
.pd-desc .toc { position: sticky; top: 100px; align-self: start; padding: 24px; background: var(--cream); border: 1px solid var(--line); border-radius: var(--r-lg); }
.pd-desc .toc h4 { font-family: 'Manrope', sans-serif; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold); margin: 0 0 14px; font-weight: 700; }
.pd-desc .toc a { display: block; padding: 8px 0; font-size: .92rem; color: var(--ink-2); border-bottom: 1px solid var(--line); transition: color .2s; }
.pd-desc .toc a:last-child { border-bottom: none; }
.pd-desc .toc a:hover { color: var(--wine); }

/* ─────────── Contact ─────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; padding: 50px 0; }
@media (max-width: 900px){ .contact-grid { grid-template-columns: 1fr; gap: 28px; } }
.contact-cards { display: flex; flex-direction: column; gap: 14px; }
.contact-card { display: flex; gap: 18px; align-items: flex-start; padding: 24px; border-radius: var(--r-lg); border: 1px solid var(--line); background: var(--paper); transition: border-color .25s, transform .25s, box-shadow .25s; position: relative; overflow: hidden; }
.contact-card:hover { border-color: var(--line-2); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.contact-card .ic { flex-shrink: 0; width: 50px; height: 50px; border-radius: 13px; display: grid; place-items: center; background: var(--wine-soft); color: var(--wine); }
.contact-card .ic svg { width: 23px; height: 23px; }
.contact-card h4 { margin: 0 0 5px; font-size: 1.1rem; }
.contact-card p, .contact-card a { margin: 0; font-size: .92rem; color: var(--ink-2); display: block; }
.contact-card a { font-weight: 600; color: var(--ink); }
.contact-card a:hover { color: var(--wine); }
.contact-card.zalo { background: linear-gradient(135deg, #eaf4ff, #f7fbff); border-color: #cfe5ff; }
.contact-card.zalo .ic { background: #0084ff; color: #fff; }
.contact-card.zalo .ping { position: absolute; top: 24px; right: 24px; font-size: .72rem; font-weight: 700; letter-spacing: .08em; color: #0084ff; display: inline-flex; align-items: center; gap: 6px; }
.contact-card.zalo .ping i { width: 6px; height: 6px; border-radius: 50%; background: #0084ff; box-shadow: 0 0 0 3px rgba(0,132,255,.2); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(0,132,255,0); } }

.contact-form { padding: 34px; border-radius: var(--r-lg); border: 1px solid var(--line); background: var(--paper); box-shadow: var(--shadow-sm); }
.contact-form h2 { margin: 0 0 6px; font-size: 1.6rem; }
.contact-form .intro { color: var(--ink-2); font-size: .94rem; margin: 0 0 24px; }
.contact-form .field { margin-bottom: 16px; }
.contact-form label { display: block; font-size: .78rem; font-weight: 700; color: var(--ink-2); letter-spacing: .04em; margin-bottom: 7px; }
.contact-form input, .contact-form textarea, .contact-form select { width: 100%; padding: 13px 16px; border: 1.5px solid var(--line-2); border-radius: 10px; font-family: inherit; font-size: .95rem; background: var(--cream); color: var(--ink); transition: border-color .2s, background .2s; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--muted); }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { outline: none; border-color: var(--wine); background: #fff; box-shadow: 0 0 0 3px var(--wine-soft); }
.contact-form textarea { resize: vertical; min-height: 110px; }
.contact-form .row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 500px){ .contact-form .row-2 { grid-template-columns: 1fr; } }

.map-block { margin-top: 32px; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 16/7; background: linear-gradient(135deg, var(--cream-2), #e8ddd0); position: relative; display: grid; place-items: center; }
.map-block .pin { width: 34px; height: 34px; border-radius: 50% 50% 50% 0; background: var(--wine); transform: rotate(-45deg); box-shadow: 0 8px 20px -4px rgba(138,21,56,.5); position: relative; }
.map-block .pin::after { content: ""; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 50px; height: 50px; border-radius: 50%; border: 1.5px solid rgba(138,21,56,.3); animation: ring 2.4s ease-out infinite; }
@keyframes ring { 0% { transform: translate(-50%,-50%) scale(.6); opacity: 1; } 100% { transform: translate(-50%,-50%) scale(2.2); opacity: 0; } }
.map-block .label { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); font-size: .8rem; font-weight: 700; letter-spacing: .06em; color: var(--wine); background: rgba(255,255,255,.92); border: 1px solid var(--line); padding: 8px 14px; border-radius: 999px; }

/* ─────────── FAB ─────────── */
.fab { position: fixed; bottom: 24px; right: 24px; z-index: 40; display: flex; flex-direction: column; gap: 12px; align-items: flex-end; }
.fab a { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; position: relative; transition: transform .2s; }
.fab a:hover { transform: scale(1.08); }
.fab a::after { content: ""; position: absolute; inset: 0; border-radius: 50%; box-shadow: 0 0 0 0 currentColor; opacity: .6; animation: ping 2s ease-out infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 currentColor; opacity: .5; } 100% { box-shadow: 0 0 0 16px currentColor; opacity: 0; } }
.fab .zalo { background: #0084ff; color: #0084ff; }
.fab .zalo span { color: #fff; font-weight: 800; font-size: .82rem; }
.fab .messenger { background: linear-gradient(135deg, #00b2ff, #006aff); color: #006aff; }
.fab .messenger svg { width: 26px; height: 26px; fill: #fff; }
.fab .phone { background: var(--wine); color: var(--wine); }
.fab .phone svg { width: 22px; height: 22px; stroke: #fff; }

/* ─────────── Mobile nav ─────────── */
.burger { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: var(--paper); }
.burger svg { width: 20px; height: 20px; stroke: var(--ink); }
.mobile-nav { position: fixed; inset: 0; z-index: 60; display: none; background: rgba(74,10,29,.4); backdrop-filter: blur(6px); }
.mobile-nav.open { display: block; }
.mobile-nav .panel { position: absolute; right: 0; top: 0; bottom: 0; width: min(330px, 87%); background: var(--paper); padding: 24px; display: flex; flex-direction: column; gap: 4px; border-left: 1px solid var(--line); }
.mobile-nav a { padding: 14px 16px; border-radius: 10px; color: var(--ink-2); font-weight: 600; }
.mobile-nav a.active, .mobile-nav a:hover { background: var(--wine-soft); color: var(--wine); }
.mobile-nav .close { align-self: flex-end; width: 42px; height: 42px; border-radius: 50%; background: var(--cream-2); font-size: 1.4rem; color: var(--ink); }
@media (max-width: 880px){ .nav { display: none; } .burger { display: inline-flex; align-items: center; justify-content: center; } }
@media (max-width: 540px){ .header-cta .btn { display: none; } }

/* ─────────── Real imagery support ─────────── */
.media-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.scrim { position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(28,8,16,.05) 30%, rgba(28,8,16,.82) 100%); }

/* hero visual with photo */
.hero-visual.has-img { background: #1c0810; }
.hero-visual.has-img::after { display: none; }
.hero-visual.has-img::before { background: linear-gradient(180deg, transparent 55%, rgba(28,8,16,.55)); }
.hero-visual.has-img .cap { z-index: 3; }
.hero-visual.has-img .frame-corner { z-index: 3; }

/* collection with photo */
.collection.has-img { background: #1c0810; padding: 0; }
.collection.has-img::before, .collection.has-img::after, .collection.has-img .glow-item { display: none; }
.collection.has-img .ct { padding: 28px; }
.collection.has-img .ct, .collection.has-img .arrow { z-index: 2; }
.collection.has-img { display: flex; flex-direction: column; justify-content: flex-end; }

/* product card with photo */
.pcard-media.has-img { background: #1c0810; }
.pcard-media.has-img::before { display: none; }
.pcard-media.has-img .lightbar, .pcard-media.has-img .specimen { display: none; }

/* ─────────── Projects gallery ─────────── */
.projects { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.project { position: relative; overflow: hidden; border-radius: var(--r-lg); aspect-ratio: 4/3; border: 1px solid var(--line); background: #1c0810; }
.project.wide { grid-column: span 2; aspect-ratio: 8/5; }
.project img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.project:hover img { transform: scale(1.06); }
.project .scrim { background: linear-gradient(180deg, transparent 38%, rgba(28,8,16,.9) 100%); }
.project .meta-p { position: absolute; left: 24px; right: 24px; bottom: 22px; z-index: 2; color: #fff; }
.project .meta-p .k { font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold-light); font-weight: 700; }
.project .meta-p h3 { color: #fff; margin: 7px 0 0; font-size: 1.3rem; }
.project .meta-p p { color: rgba(255,255,255,.8); font-size: .85rem; margin: 4px 0 0; }
@media (max-width: 900px){ .projects { grid-template-columns: 1fr 1fr; } .project.wide { grid-column: span 2; aspect-ratio: 16/9; } }
@media (max-width: 560px){ .projects { grid-template-columns: 1fr; } .project.wide { grid-column: span 1; aspect-ratio: 4/3; } }

/* pd gallery photo */
.pd-gallery .main.has-img { background: #1c0810; }
.pd-gallery .main.has-img::before, .pd-gallery .main.has-img::after { display: none; }
.pd-gallery .thumbs .t.has-img::after { display: none; }
.pd-gallery .thumbs .t img { width: 100%; height: 100%; object-fit: cover; }

/* ─────────── Reveal ─────────── */
.reveal-up { opacity: 0; transform: translateY(28px); transition: opacity .9s ease, transform .9s cubic-bezier(.2,.8,.2,1); }
.reveal-up.in { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .2s; }
.delay-3 { transition-delay: .3s; }
@media (prefers-reduced-motion: reduce) { .reveal-up { opacity: 1; transform: none; transition: none; } }

/* ═══════════════════════════════════════════
   DARK NAVY THEME — dark blue base, burgundy + gold accents
   ═══════════════════════════════════════════ */
:root {
  --cream: #0b1220;
  --cream-2: #1a2540;
  --paper: #141d33;
  --bg-2: #0e1626;
  --ink: #f2f4fb;
  --ink-2: #b7c1d8;
  --muted: #7f89a3;
  --line: rgba(255,255,255,.09);
  --line-2: rgba(255,255,255,.15);
  --wine-soft: rgba(138,21,56,.18);
  --wine-line: rgba(138,21,56,.5);
}

.site-header { background: rgba(11,18,32,.82); border-bottom-color: var(--line); }
.hero {
  background:
    radial-gradient(900px 500px at 88% 8%, rgba(184,144,47,.13), transparent 60%),
    radial-gradient(700px 500px at 0% 100%, rgba(138,21,56,.22), transparent 55%),
    linear-gradient(180deg, #0d1626 0%, #0b1220 100%);
}
.page-hero {
  background:
    radial-gradient(1000px 400px at 80% -20%, rgba(184,144,47,.13), transparent 70%),
    linear-gradient(180deg, #0d1626 0%, #0b1220 100%);
  border-bottom-color: var(--line);
}
.marquee-wrap::before { background: linear-gradient(90deg, var(--cream), transparent); }
.marquee-wrap::after  { background: linear-gradient(-90deg, var(--cream), transparent); }
.marquee span:hover { color: var(--gold-light); }

.eyebrow { color: var(--gold-light); }
.eyebrow::before, .eyebrow.center::after { background: var(--gold); }

.nav a:hover, .nav a.active { color: var(--gold-light); }
.crumbs a:hover { color: var(--gold-light); }

.hero-stat strong { color: var(--gold-light); }
.feature .ic { background: rgba(184,144,47,.14); color: var(--gold-light); }
.pcard-foot .price { color: var(--gold-light); }
.option-chips .c.active { color: var(--gold-light); }
.specs .row span b { color: var(--gold-light); }
.pd-info .sku b { color: var(--gold-light); }

.price-box { background: rgba(184,144,47,.1); border-color: rgba(231,211,161,.3); }
.price-box .v { color: var(--gold-light); }

.btn-outline { color: var(--gold-light); border-color: rgba(231,211,161,.4); }
.btn-outline:hover { background: rgba(231,211,161,.1); border-color: var(--gold-light); }

.contact-card a:hover { color: var(--gold-light); }
.contact-card.zalo { background: linear-gradient(135deg, rgba(0,132,255,.16), rgba(0,132,255,.05)); border-color: rgba(0,132,255,.35); }
.contact-card.zalo .ic { background: #0084ff; color: #fff; }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { background: var(--bg-2); }

.map-block { background: linear-gradient(135deg, #101a30, #0b1220); }
.map-block .label { background: rgba(11,18,32,.9); color: var(--gold-light); border-color: var(--line); }

.footer { background: #070d18; }

/* ═══════════════════════════════════════════
   RESPONSIVE HARMONY — desktop ⇄ mobile polish
   ═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-stats { gap: 28px; }
  .features { gap: 16px; }
}

@media (max-width: 768px) {
  .topbar .container { justify-content: center; }
  .topbar .left { justify-content: center; font-size: .76rem; }
  .hero { padding: 40px 0 52px; }
  .hero h1 { margin: 16px 0 18px; }
  .hero .lead { font-size: 1.02rem; margin-bottom: 26px; }
  .hero-cta { width: 100%; }
  .hero-cta .btn { flex: 1 1 auto; justify-content: center; }
  .hero-stats { gap: 0; justify-content: space-between; }
  .hero-stat strong { font-size: 1.6rem; }
  .hero-visual { max-width: 440px; width: 100%; margin: 0 auto; }
  .section-head { margin-bottom: 40px; }
  .section-head p { font-size: 1rem; }
  .band .container.section { padding-top: 56px; padding-bottom: 56px; }
  .band-grid, .cta-band { gap: 32px; }
  .cta-band .actions .btn { width: 100%; }
  .marquee span { font-size: 1.35rem; }
  .marquee { gap: 44px; }
  .pd-desc .toc { position: static; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .topbar { font-size: .72rem; }
  .topbar .left span:first-child, .topbar .left span:nth-child(2) { display: none; }
  h1 { font-size: clamp(2rem, 8.5vw, 2.6rem); }
  h2 { font-size: clamp(1.55rem, 6.5vw, 2rem); }
  .hero p, .section-head p { line-height: 1.7; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .hero-stats { gap: 10px; }
  .hero-stat strong { font-size: 1.4rem; }
  .hero-stat span { font-size: .74rem; }
  .pcard-body { padding: 18px; }
  .pcard-body h3 { font-size: 1.1rem; }
  .feature { padding: 26px 22px; }
  .feature h3 { font-size: 1.15rem; }
  .contact-form { padding: 24px; }
  .pd-top { padding: 26px 0; }
  .price-box { flex-direction: column; gap: 6px; align-items: flex-start; }
  .pd-actions { flex-direction: column; }
  .pd-actions .btn { width: 100%; justify-content: center; }
  .specs .row { grid-template-columns: 1fr; gap: 2px; padding: 12px 16px; }
  .specs .row strong { font-size: .74rem; }
  .map-block { aspect-ratio: 3/2; }
  .fab { bottom: 16px; right: 16px; gap: 10px; }
  .fab a { width: 50px; height: 50px; }
  .project .meta-p h3 { font-size: 1.1rem; }
  .collection { aspect-ratio: 4/5; }
}