/* ============================================================
   Modern King · Ambient Glass Lamps — Design System
   Minimal · Premium · Atmospheric
   ============================================================ */

:root {
  --bg: #fbfaf7;
  --bg-soft: #f3f0ea;
  --surface: #ffffff;
  --ink: #1a1714;
  --ink-soft: #5c554d;
  --ink-faint: #9a9189;
  --line: #e7e2d9;
  --accent: #c8895a;        /* warm amber */
  --accent-deep: #a96a3c;
  --glow: #ffd9a8;
  --radius: 18px;
  --radius-lg: 28px;
  --shadow-sm: 0 2px 10px rgba(40,30,20,.06);
  --shadow-md: 0 14px 40px rgba(40,30,20,.10);
  --shadow-lg: 0 30px 80px rgba(40,30,20,.16);
  --ease: cubic-bezier(.22,.61,.36,1);
  --maxw: 1240px;
  --font: "Helvetica Neue", "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --serif: "Georgia", "Times New Roman", serif;
}

/* ---- Dark (lights-off) theme ---- */
body.dark {
  --bg: #0e0c0a;
  --bg-soft: #16130f;
  --surface: #1b1713;
  --ink: #f4efe8;
  --ink-soft: #c3b8ab;
  --ink-faint: #7d7264;
  --line: #2c2620;
  --accent: #e0a06a;
  --accent-deep: #c8895a;
  --glow: #ffcf94;
  --shadow-sm: 0 2px 10px rgba(0,0,0,.4);
  --shadow-md: 0 14px 40px rgba(0,0,0,.5);
  --shadow-lg: 0 30px 80px rgba(0,0,0,.6);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background .6s var(--ease), color .6s var(--ease);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- Typography ---------- */
.eyebrow {
  font-size: 12px; letter-spacing: .28em; text-transform: uppercase;
  color: var(--accent-deep); font-weight: 600; margin-bottom: 16px;
}
h1, h2, h3 { font-weight: 600; line-height: 1.12; letter-spacing: -.01em; }
h1 { font-size: clamp(38px, 6vw, 76px); }
h2 { font-size: clamp(30px, 4vw, 50px); }
h3 { font-size: clamp(20px, 2.4vw, 26px); }
.lead { font-size: clamp(16px, 1.6vw, 19px); color: var(--ink-soft); max-width: 60ch; }
.section { padding: clamp(70px, 10vw, 140px) 0; }
.center { text-align: center; }
.muted { color: var(--ink-soft); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 30px; border-radius: 100px; font-weight: 600; font-size: 15px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease);
  will-change: transform;
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { transform: translateY(-3px); box-shadow: 0 14px 36px rgba(200,137,90,.4); }
.btn-ghost { border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-deep); transform: translateY(-2px); }
.btn .arrow { transition: transform .35s var(--ease); }
.btn:hover .arrow { transform: translateX(5px); }

/* ---------- Header / Nav ---------- */
header.site {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), backdrop-filter .4s;
}
header.site.scrolled {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 19px; letter-spacing: -.02em; }
.brand .mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  display: grid; place-items: center; color: #fff; font-size: 15px; box-shadow: 0 4px 14px rgba(200,137,90,.4);
}
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a { font-size: 15px; color: var(--ink-soft); position: relative; transition: color .3s; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--accent); transition: width .35s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 14px; }

/* Light switch button */
.light-switch {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 9px 16px 9px 12px; border-radius: 100px;
  border: 1px solid var(--line); font-size: 13px; font-weight: 600;
  transition: all .4s var(--ease); background: var(--surface);
}
.light-switch:hover { border-color: var(--accent); transform: translateY(-2px); }
.light-switch .ico {
  width: 20px; height: 20px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--glow), var(--accent-deep));
  box-shadow: 0 0 12px var(--glow); transition: all .5s var(--ease);
}
body.dark .light-switch .ico { background: #3a342c; box-shadow: none; }
.light-switch .label-on { display: none; }
body.dark .light-switch .label-on { display: inline; }
body.dark .light-switch .label-off { display: none; }

.burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.burger span { width: 22px; height: 2px; background: var(--ink); transition: .3s; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  transform: scale(1.08); transition: transform 8s ease, filter .8s;
  filter: brightness(.92) saturate(1.05);
}
body.dark .hero-bg { filter: brightness(.42) saturate(.9); }
.hero-veil {
  position: absolute; inset: 0;
  background: linear-gradient(105deg, color-mix(in srgb, var(--bg) 78%, transparent) 0%, transparent 60%);
}
.hero-inner { position: relative; z-index: 2; max-width: 640px; }
.hero h1 { margin-bottom: 22px; }
.hero .lead { margin-bottom: 36px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-glow {
  position: absolute; right: -8%; top: 50%; transform: translateY(-50%);
  width: 46vw; height: 46vw; max-width: 640px; max-height: 640px; border-radius: 50%;
  background: radial-gradient(circle, var(--glow) 0%, transparent 62%);
  filter: blur(20px); opacity: .55; z-index: 1; pointer-events: none;
  animation: float 9s ease-in-out infinite;
}
@keyframes float { 0%,100%{ transform: translateY(-50%) scale(1);} 50%{ transform: translateY(-54%) scale(1.06);} }

.scroll-hint {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  font-size: 12px; letter-spacing: .2em; color: var(--ink-faint); z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.scroll-hint .line { width: 1px; height: 46px; background: linear-gradient(var(--ink-faint), transparent); animation: drop 2s infinite; }
@keyframes drop { 0%{ transform: scaleY(0); transform-origin: top;} 50%{ transform: scaleY(1);} 100%{ transform: scaleY(0); transform-origin: bottom;} }

/* ---------- Marquee ---------- */
.marquee { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 20px 0; overflow: hidden; background: var(--bg-soft); }
.marquee-track { display: flex; gap: 60px; white-space: nowrap; animation: scroll-x 26s linear infinite; }
.marquee-track span { font-size: 15px; letter-spacing: .12em; color: var(--ink-soft); text-transform: uppercase; }
.marquee-track span b { color: var(--accent-deep); }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* ---------- Feature grid ---------- */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top: 60px; }
.feature {
  padding: 34px 28px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s;
}
.feature:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: transparent; }
.feature .fnum { font-family: var(--serif); font-size: 14px; color: var(--accent-deep); margin-bottom: 18px; }
.feature h3 { margin-bottom: 12px; }
.feature p { font-size: 14.5px; color: var(--ink-soft); }

/* ---------- Section head ---------- */
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 54px; flex-wrap: wrap; }
.sec-head .lead { margin-top: 14px; }

/* ---------- Product grid ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.product-card {
  background: var(--surface); border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--line); transition: transform .5s var(--ease), box-shadow .5s var(--ease);
  position: relative;
}
.product-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); }
.product-media { position: relative; aspect-ratio: 1/1; overflow: hidden; background: var(--bg-soft); }
.product-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease), opacity .5s; }
.product-card:hover .product-media img { transform: scale(1.06); }
.product-tag {
  position: absolute; top: 16px; left: 16px; z-index: 3;
  background: color-mix(in srgb, var(--bg) 80%, transparent); backdrop-filter: blur(8px);
  padding: 6px 13px; border-radius: 100px; font-size: 12px; font-weight: 600; letter-spacing: .04em;
}
.product-body { padding: 24px 26px 28px; }
.product-body h3 { font-size: 20px; margin-bottom: 6px; }
.product-body .desc { font-size: 14px; color: var(--ink-soft); min-height: 42px; }
.product-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; }
.price { font-size: 19px; font-weight: 700; }
.price s { font-size: 14px; font-weight: 400; color: var(--ink-faint); margin-right: 8px; }
.add-btn {
  width: 42px; height: 42px; border-radius: 50%; background: var(--ink); color: var(--bg);
  display: grid; place-items: center; transition: transform .35s var(--ease), background .35s;
}
.add-btn:hover { background: var(--accent); transform: rotate(90deg); }

/* ---------- Effect filter ---------- */
.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 44px; }
.chip {
  padding: 10px 20px; border-radius: 100px; border: 1px solid var(--line);
  font-size: 14px; font-weight: 500; transition: all .35s var(--ease); background: var(--surface);
}
.chip:hover { border-color: var(--accent); }
.chip.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* ---------- Before / After ---------- */
.ba { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; }
.ba-visual { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3; box-shadow: var(--shadow-md); }
.ba-visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity .8s var(--ease); }
.ba-visual .off { opacity: 1; }
.ba-visual .on { opacity: 0; }
.ba-visual.lit .off { opacity: 0; }
.ba-visual.lit .on { opacity: 1; }
.ba-toggle {
  position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 4;
  display: inline-flex; align-items: center; gap: 10px; padding: 10px 18px; border-radius: 100px;
  background: color-mix(in srgb, var(--bg) 75%, transparent); backdrop-filter: blur(10px);
  font-size: 13px; font-weight: 600; border: 1px solid var(--line);
}
.ba-toggle .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ink-faint); transition: .4s; }
.ba-visual.lit ~ .ba-toggle .dot, .ba-toggle.lit .dot { background: var(--accent); box-shadow: 0 0 10px var(--glow); }

/* ---------- Why / Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 56px; }
.stat { text-align: center; padding: 30px 16px; border-radius: var(--radius); background: var(--bg-soft); }
.stat .num { font-size: clamp(34px, 4vw, 52px); font-weight: 700; color: var(--accent-deep); font-family: var(--serif); }
.stat .lbl { font-size: 14px; color: var(--ink-soft); margin-top: 6px; }

/* ---------- Reviews ---------- */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.review { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: transform .4s var(--ease), box-shadow .4s; }
.review:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.review .stars { color: var(--accent); letter-spacing: 3px; margin-bottom: 14px; }
.review p { font-size: 15px; color: var(--ink-soft); font-style: italic; }
.review .who { margin-top: 18px; font-size: 14px; font-weight: 600; }
.review .who span { color: var(--ink-faint); font-weight: 400; }

/* ---------- Trade CTA ---------- */
.trade {
  background: linear-gradient(120deg, var(--ink), #2c241c); color: var(--bg);
  border-radius: var(--radius-lg); padding: clamp(40px, 6vw, 72px);
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; position: relative; overflow: hidden;
}
.trade h2 { color: #fff; }
.trade .lead { color: #d8cfc4; }
.trade .glow2 { position: absolute; right: -60px; top: -60px; width: 280px; height: 280px; border-radius: 50%; background: radial-gradient(circle, var(--accent), transparent 70%); opacity: .35; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; text-align: left; padding: 26px 0; font-size: 18px; font-weight: 600;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.faq-q .pm { font-size: 26px; color: var(--accent-deep); transition: transform .4s var(--ease); flex-shrink: 0; }
.faq-item.open .faq-q .pm { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .5s var(--ease); }
.faq-a p { padding-bottom: 26px; color: var(--ink-soft); font-size: 15px; max-width: 70ch; }

/* ---------- Newsletter ---------- */
.news { text-align: center; background: var(--bg-soft); border-radius: var(--radius-lg); padding: clamp(44px, 6vw, 80px); }
.news h2 { margin-bottom: 14px; }
.news-form { display: flex; gap: 12px; max-width: 480px; margin: 30px auto 0; }
.news-form input {
  flex: 1; padding: 15px 20px; border-radius: 100px; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink); font-size: 15px; outline: none; transition: border-color .3s;
}
.news-form input:focus { border-color: var(--accent); }
.news-note { font-size: 13px; color: var(--ink-faint); margin-top: 16px; }

/* ---------- Footer ---------- */
footer.site { border-top: 1px solid var(--line); padding: 70px 0 40px; background: var(--bg-soft); }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.foot-grid h4 { font-size: 14px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 18px; }
.foot-grid a { display: block; font-size: 15px; color: var(--ink-soft); padding: 6px 0; transition: color .3s; }
.foot-grid a:hover { color: var(--accent-deep); }
.foot-about p { font-size: 14.5px; color: var(--ink-soft); max-width: 34ch; margin-top: 16px; }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 50px; padding-top: 26px; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-faint); flex-wrap: wrap; gap: 12px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }

/* ---------- Cart drawer ---------- */
.cart-overlay { position: fixed; inset: 0; background: rgba(20,15,10,.45); backdrop-filter: blur(3px); opacity: 0; pointer-events: none; transition: opacity .4s; z-index: 200; }
.cart-overlay.show { opacity: 1; pointer-events: auto; }
.cart {
  position: fixed; top: 0; right: 0; bottom: 0; width: 400px; max-width: 90vw; z-index: 201;
  background: var(--surface); transform: translateX(100%); transition: transform .5s var(--ease);
  display: flex; flex-direction: column; box-shadow: var(--shadow-lg);
}
.cart.show { transform: none; }
.cart-head { display: flex; align-items: center; justify-content: space-between; padding: 26px; border-bottom: 1px solid var(--line); }
.cart-head h3 { font-size: 20px; }
.cart-body { flex: 1; overflow-y: auto; padding: 20px 26px; }
.cart-item { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.cart-item img { width: 64px; height: 64px; border-radius: 12px; object-fit: cover; }
.cart-item .ci-name { font-size: 14px; font-weight: 600; }
.cart-item .ci-meta { font-size: 12.5px; color: var(--ink-faint); }
.cart-item .ci-price { font-size: 14px; font-weight: 700; margin-top: 4px; }
.cart-empty { text-align: center; color: var(--ink-faint); padding: 60px 0; }
.cart-foot { padding: 24px 26px; border-top: 1px solid var(--line); }
.cart-total { display: flex; justify-content: space-between; font-size: 17px; font-weight: 700; margin-bottom: 18px; }
.cart-foot .btn { width: 100%; justify-content: center; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 30px; left: 50%; transform: translate(-50%, 120%);
  background: var(--ink); color: var(--bg); padding: 14px 26px; border-radius: 100px;
  font-size: 14px; font-weight: 600; z-index: 300; box-shadow: var(--shadow-lg);
  transition: transform .5s var(--ease); display: flex; align-items: center; gap: 10px;
}
.toast.show { transform: translate(-50%, 0); }

/* ---------- Page hero (sub pages) ---------- */
.page-hero { padding: 150px 0 70px; background: var(--bg-soft); position: relative; overflow: hidden; }
.page-hero .eyebrow { margin-bottom: 14px; }
.page-hero h1 { max-width: 16ch; }
.page-hero .lead { margin-top: 20px; }

/* ---------- About ---------- */
.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-img { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/5; box-shadow: var(--shadow-md); }
.about-img img { width: 100%; height: 100%; object-fit: cover; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 50px; }
.value { padding: 32px 28px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); transition: transform .4s, box-shadow .4s; }
.value:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.value .vn { font-family: var(--serif); font-size: 30px; color: var(--accent-deep); margin-bottom: 14px; }
.value h3 { font-size: 19px; margin-bottom: 10px; }
.value p { font-size: 14.5px; color: var(--ink-soft); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info .ci { display: flex; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.contact-info .ci .ic { width: 44px; height: 44px; border-radius: 12px; background: var(--bg-soft); display: grid; place-items: center; font-size: 18px; flex-shrink: 0; }
.contact-info .ci h4 { font-size: 15px; margin-bottom: 3px; }
.contact-info .ci p { font-size: 14.5px; color: var(--ink-soft); }
.form-field { margin-bottom: 20px; }
.form-field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--ink-soft); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink); font-size: 15px; font-family: inherit; outline: none; transition: border-color .3s;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { border-color: var(--accent); }
.form-field textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---------- Product detail ---------- */
.pd-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: start; }
.pd-gallery { position: sticky; top: 100px; }
.pd-main { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 1/1; background: var(--bg-soft); position: relative; box-shadow: var(--shadow-md); }
.pd-main img { width: 100%; height: 100%; object-fit: cover; transition: opacity .6s var(--ease); }
.pd-thumbs { display: flex; gap: 12px; margin-top: 14px; }
.pd-thumbs .t { width: 78px; height: 78px; border-radius: 12px; overflow: hidden; border: 2px solid transparent; cursor: pointer; transition: border-color .3s; }
.pd-thumbs .t.active { border-color: var(--accent); }
.pd-thumbs .t img { width: 100%; height: 100%; object-fit: cover; }
.pd-info h1 { font-size: clamp(30px, 4vw, 44px); margin-bottom: 12px; }
.pd-info .pd-oneliner { font-size: 17px; color: var(--ink-soft); margin-bottom: 22px; }
.pd-price { font-size: 30px; font-weight: 700; margin-bottom: 6px; }
.pd-price s { font-size: 18px; font-weight: 400; color: var(--ink-faint); margin-left: 10px; }
.pd-rating { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ink-soft); margin-bottom: 26px; }
.pd-rating .stars { color: var(--accent); letter-spacing: 2px; }
.pd-opts { margin: 26px 0; }
.pd-opts .opt-label { font-size: 13px; font-weight: 600; color: var(--ink-soft); margin-bottom: 10px; display: block; }
.opt-chips { display: flex; gap: 10px; flex-wrap: wrap; }
.opt-chip { padding: 10px 18px; border-radius: 100px; border: 1px solid var(--line); font-size: 14px; transition: all .3s; background: var(--surface); }
.opt-chip.active { border-color: var(--ink); background: var(--ink); color: var(--bg); }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 100px; overflow: hidden; }
.qty button { width: 42px; height: 46px; font-size: 18px; }
.qty span { width: 44px; text-align: center; font-weight: 600; }
.pd-buy { display: flex; gap: 14px; margin: 28px 0; flex-wrap: wrap; }
.pd-buy .btn { flex: 1; justify-content: center; }
.pd-specs { margin-top: 30px; border-top: 1px solid var(--line); }
.pd-specs .sp { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.pd-specs .sp .k { color: var(--ink-soft); }
.pd-specs .sp .v { font-weight: 600; }
.pd-note { margin-top: 22px; padding: 18px 20px; border-radius: 14px; background: var(--bg-soft); font-size: 13.5px; color: var(--ink-soft); }

/* ---------- Breadcrumb ---------- */
.crumb { font-size: 13px; color: var(--ink-faint); margin-bottom: 24px; }
.crumb a:hover { color: var(--accent-deep); }

/* ---------- Light effect banner ---------- */
.effect-banner { background: var(--ink); color: var(--bg); border-radius: var(--radius-lg); padding: clamp(40px,6vw,72px); text-align: center; position: relative; overflow: hidden; }
.effect-banner h2 { color: #fff; margin-bottom: 16px; }
.effect-banner .lead { color: #d8cfc4; margin: 0 auto; }
.effect-banner .glow3 { position: absolute; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, var(--accent), transparent 70%); opacity: .3; top: -120px; left: 50%; transform: translateX(-50%); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .features, .stats { grid-template-columns: repeat(2, 1fr); }
  .product-grid, .reviews, .value-grid { grid-template-columns: repeat(2, 1fr); }
  .about-split, .contact-grid, .ba, .pd-grid { grid-template-columns: 1fr; }
  .pd-gallery { position: static; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .burger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 76px; left: 0; right: 0;
    background: var(--bg); padding: 24px 28px; gap: 18px; box-shadow: var(--shadow-md); border-top: 1px solid var(--line);
  }
}
@media (max-width: 560px) {
  .features, .stats, .product-grid, .reviews, .value-grid, .foot-grid { grid-template-columns: 1fr; }
  .news-form { flex-direction: column; }
  .form-row { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .hero-cta .btn { width: 100%; justify-content: center; }
}