/* =========================================================
   ThrottleUp — design tokens
   Palette: graphite/gunmetal base with a signal-chartreuse
   accent (gate-LED / OSD colour) and a throttle-orange for
   badges & alerts. Headings in Rajdhani (telemetry/HUD feel),
   body in Inter.
   ========================================================= */
:root{
  --bg: #0A0D12;
  --bg-panel: #12161F;
  --bg-panel-2: #181E29;
  --line: #262E3B;
  --line-soft: #1C222C;
  --text: #E7EAEE;
  --text-dim: #8D97A8;
  --text-faint: #5C6577;
  --accent: #C6FF3D;
  --accent-dim: #9FCF2E;
  --accent-ink: #10140A;
  --warn: #FF7A33;
  --danger: #FF5A5F;
  --ok: #4FD68A;

  --c-fc:  #6FA8FF;
  --c-esc: #FF7A33;
  --c-vtx: #C6FF3D;
  --c-rx:  #C77DFF;
  --c-tx:  #FFD54F;

  --radius: 4px;
  --radius-lg: 8px;
  --maxw: 1180px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 15.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4{
  font-family: 'Rajdhani', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: .01em;
  margin: 0 0 .4em 0;
  color: #F4F6F9;
}
a{ color: inherit; text-decoration: none; }
img{ max-width:100%; display:block; }
button{ font-family: inherit; cursor:pointer; }
.wrap{ max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.visually-hidden{ position:absolute; width:1px;height:1px; overflow:hidden; clip:rect(0 0 0 0); }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* background circuit texture on dark panels */
.circuit-bg{
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 42px 42px;
  background-position: -1px -1px;
}

/* ---------- Header ---------- */
.site-header{
  position: sticky; top:0; z-index: 40;
  background: rgba(10,13,18,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; gap: 28px;
  height: 68px;
}
.logo{
  display:flex; align-items:baseline; gap:2px;
  font-family:'Rajdhani',sans-serif; font-weight:700; font-size: 22px;
  color:#fff; flex-shrink:0;
}
.logo .bolt{ color: var(--accent); }
.logo small{ display:block; font-family:'Inter'; font-weight:500; font-size:10px; letter-spacing:.14em; color: var(--text-faint); margin-top:2px; }

.main-nav{ display:flex; align-items:center; gap: 22px; position:relative; }
.main-nav > a{
  font-size: 14.5px; color: var(--text-dim); padding: 8px 2px; border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.main-nav > a:hover, .main-nav > a.active{ color: #fff; border-color: var(--accent); }

.nav-catalog{ position:relative; }
.nav-catalog > button{
  background:none; border:none; color: var(--text-dim); font-size:14.5px; font-family:inherit;
  display:flex; align-items:center; gap:6px; padding: 8px 2px; border-bottom: 2px solid transparent;
}
.nav-catalog:hover > button, .nav-catalog.open > button{ color:#fff; border-color: var(--accent); }
.nav-catalog svg{ width:10px; height:10px; transition: transform .15s ease; }
.nav-catalog:hover svg{ transform: rotate(180deg); }
.dropdown{
  position:absolute; top: 100%; left:0; min-width: 240px;
  background: var(--bg-panel-2); border:1px solid var(--line); border-radius: var(--radius-lg);
  padding:6px; opacity:0; visibility:hidden; transform: translateY(4px);
  transition: opacity .15s ease, transform .15s ease, visibility .15s;
  box-shadow: 0 12px 28px rgba(0,0,0,.45);
}
.nav-catalog:hover .dropdown{ opacity:1; visibility:visible; transform:translateY(0); }
.dropdown a{
  display:flex; align-items:center; gap:10px; padding:9px 10px; border-radius:3px; font-size:14px; color: var(--text-dim);
}
.dropdown a:hover{ background: var(--bg-panel); color:#fff; }
.dot{ width:8px; height:8px; border-radius:50%; flex-shrink:0; }

.header-actions{ margin-left:auto; display:flex; align-items:center; gap: 14px; }

.search-box{ position:relative; }
.search-box input{
  width: 230px; background: var(--bg-panel); border:1px solid var(--line); color:#fff;
  padding: 9px 12px 9px 34px; border-radius: var(--radius); font-size:13.5px; font-family:inherit;
  transition: width .18s ease, border-color .15s ease;
}
.search-box input:focus{ width: 280px; border-color: var(--accent); }
.search-box input::placeholder{ color: var(--text-faint); }
.search-box svg{ position:absolute; left:11px; top:50%; transform:translateY(-50%); width:15px;height:15px; color: var(--text-faint); pointer-events:none; }

.cart-btn{
  position:relative; display:flex; align-items:center; gap:8px;
  background: var(--bg-panel); border:1px solid var(--line); color:#fff;
  padding: 9px 14px; border-radius: var(--radius); font-size: 13.5px; font-weight:600;
  transition: border-color .15s ease;
}
.cart-btn:hover{ border-color: var(--accent); }
.cart-btn svg{ width:17px; height:17px; }
.cart-count{
  background: var(--accent); color: var(--accent-ink); font-size:11px; font-weight:800;
  min-width:18px; height:18px; border-radius: 9px; display:flex; align-items:center; justify-content:center;
  padding: 0 4px;
}

.burger{ display:none; background:none; border:1px solid var(--line); color:#fff; width:38px;height:38px; border-radius: var(--radius); align-items:center; justify-content:center; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 12px 22px; border-radius: var(--radius); font-weight:700; font-size: 14.5px;
  border: 1px solid transparent; transition: transform .1s ease, background .15s ease, border-color .15s ease;
  font-family:'Rajdhani',sans-serif; letter-spacing:.02em;
}
.btn:active{ transform: scale(.98); }
.btn-accent{ background: var(--accent); color: var(--accent-ink); }
.btn-accent:hover{ background: var(--accent-dim); }
.btn-ghost{ background: transparent; border-color: var(--line); color:#fff; }
.btn-ghost:hover{ border-color: var(--text-dim); }
.btn-block{ width:100%; }
.btn[disabled]{ opacity:.45; cursor:not-allowed; }
.btn-sm{ padding: 8px 14px; font-size:13px; }

/* ---------- Hero / stack nav (signature element) ---------- */
.hero{ padding: 64px 0 40px; position:relative; overflow:hidden; }
.hero-grid{ display:grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items:center; }
.hero h1{ font-size: 46px; line-height:1.05; margin-bottom:18px; max-width: 12ch; }
.hero p.lede{ color: var(--text-dim); font-size:16.5px; max-width: 46ch; margin-bottom: 28px; }
.hero-badges{ display:flex; gap:22px; margin-top:32px; flex-wrap:wrap; }
.hero-badges div{ font-size:13px; color: var(--text-dim); display:flex; align-items:center; gap:8px; }
.hero-badges strong{ color:#fff; }
.hero-cta{ display:flex; gap:14px; flex-wrap:wrap; }

/* the exploded component-stack diagram */
.stack{ display:flex; flex-direction:column; gap:10px; perspective: 900px; }
.stack-item{
  --c: var(--accent);
  display:flex; align-items:center; gap:16px;
  background: var(--bg-panel); border:1px solid var(--line); border-left: 3px solid var(--c);
  border-radius: var(--radius); padding: 15px 18px;
  transform: translateX(calc(var(--i) * 14px));
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.stack-item:hover{ transform: translateX(calc(var(--i) * 14px + 8px)); background: var(--bg-panel-2); border-color: var(--c); }
.stack-item .chip{
  width:40px; height:40px; border-radius:3px; flex-shrink:0; background: var(--bg-panel-2);
  border:1px solid var(--line); display:flex; align-items:center; justify-content:center; color: var(--c);
}
.stack-item .chip svg{ width:20px; height:20px; }
.stack-item .label{ flex:1; }
.stack-item .label .code{ font-family:'Rajdhani',sans-serif; font-weight:700; font-size: 17px; color:#fff; }
.stack-item .label .full{ font-size:12.5px; color: var(--text-dim); }
.stack-item .arrow{ color: var(--text-faint); transition: transform .18s ease, color .18s ease; }
.stack-item:hover .arrow{ transform: translateX(3px); color: var(--c); }

/* ---------- Sections ---------- */
.section{ padding: 56px 0; }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:20px; margin-bottom: 28px; flex-wrap:wrap; }
.section-head h2{ font-size: 27px; }
.section-head p{ color: var(--text-dim); font-size:14px; margin:4px 0 0; }
.section-tight{ padding: 28px 0 56px; }

.trust-strip{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding: 22px 0; }
.trust-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.trust-grid div{ display:flex; gap:12px; align-items:flex-start; }
.trust-grid svg{ width:20px;height:20px; color: var(--accent); flex-shrink:0; margin-top:2px; }
.trust-grid strong{ display:block; font-size:14px; color:#fff; margin-bottom:2px; }
.trust-grid span{ font-size:12.5px; color: var(--text-dim); }

/* ---------- Category tiles (used on catalog "all") ---------- */
.cat-tiles{ display:grid; grid-template-columns: repeat(5,1fr); gap:14px; }
.cat-tile{
  background: var(--bg-panel); border:1px solid var(--line); border-top:3px solid var(--c);
  border-radius: var(--radius); padding: 18px 16px; transition: border-color .15s, background .15s, transform .15s;
}
.cat-tile:hover{ background: var(--bg-panel-2); transform: translateY(-3px); }
.cat-tile.active{ border-color: var(--c); background: var(--bg-panel-2); }
.cat-tile .chip{ width:34px;height:34px; border-radius:3px; background:var(--bg); border:1px solid var(--line); display:flex; align-items:center; justify-content:center; color:var(--c); margin-bottom:12px; }
.cat-tile .chip svg{ width:18px;height:18px; }
.cat-tile .code{ font-family:'Rajdhani',sans-serif; font-weight:700; font-size:16px; color:#fff; }
.cat-tile .count{ font-size:12px; color: var(--text-dim); margin-top:2px; }

/* ---------- Product grid & cards ---------- */
.toolbar{ display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom: 22px; flex-wrap:wrap; }
.toolbar .count-label{ font-size: 13.5px; color: var(--text-dim); }
.sort-select{ background: var(--bg-panel); border:1px solid var(--line); color:#fff; padding:8px 12px; border-radius: var(--radius); font-size:13.5px; font-family:inherit; }

.product-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.product-card{
  background: var(--bg-panel); border:1px solid var(--line); border-radius: var(--radius-lg);
  display:flex; flex-direction:column; overflow:hidden; transition: border-color .15s ease, transform .15s ease;
  position:relative;
}
.product-card:hover{ border-color: var(--line-soft); transform: translateY(-2px); }
.product-media{
  --c: var(--accent);
  height: 132px; display:flex; align-items:center; justify-content:center;
  background:
    radial-gradient(circle at 30% 20%, color-mix(in srgb, var(--c) 14%, transparent), transparent 60%),
    var(--bg);
  border-bottom:1px solid var(--line); position:relative;
}
.product-media svg{ width:46px; height:46px; color: var(--c); opacity:.92; }
.badge{
  position:absolute; top:10px; left:10px; font-size:10.5px; font-weight:800; letter-spacing:.03em;
  padding: 4px 8px; border-radius: 3px; font-family:'Rajdhani',sans-serif;
}
.badge-hit{ background: var(--accent); color: var(--accent-ink); }
.badge-new{ background: var(--c-rx); color:#160820; }
.badge-sale{ background: var(--warn); color:#1a0d02; }
.badge-out{ background: var(--line); color: var(--text-dim); }
.product-cat{ position:absolute; top:10px; right:10px; font-size:10px; color: var(--text-faint); border:1px solid var(--line); padding:3px 6px; border-radius:3px; background:rgba(10,13,18,.7); }

.product-body{ padding: 14px 15px 15px; display:flex; flex-direction:column; gap:8px; flex:1; }
.product-name{ font-size: 14.5px; font-weight:600; color:#fff; line-height:1.35; min-height: 2.7em; }
.card-rating{ display:flex; align-items:center; gap:6px; color: var(--accent); margin-top:-4px; }
.card-rating span{ font-size:11.5px; color: var(--text-faint); }
.product-specs{ display:flex; flex-wrap:wrap; gap:5px; }
.spec-pill{ font-size:10.5px; color: var(--text-dim); border:1px solid var(--line); padding:2.5px 7px; border-radius: 10px; }
.product-foot{ margin-top:auto; display:flex; align-items:center; justify-content:space-between; gap:10px; padding-top:8px; }
.price{ font-family:'Rajdhani',sans-serif; font-weight:700; font-size:19px; color:#fff; }
.price .old{ font-family:'Inter'; font-size:12px; font-weight:400; color: var(--text-faint); text-decoration: line-through; margin-left:6px; }
.price .cur{ font-size:12px; color: var(--text-dim); font-weight:500; }
.add-btn{
  width:38px;height:38px; border-radius: var(--radius); background: var(--bg-panel-2); border:1px solid var(--line);
  color:#fff; display:flex; align-items:center; justify-content:center; transition: background .15s, border-color .15s;
  flex-shrink:0;
}
.add-btn svg{ width:17px;height:17px; }
.add-btn:hover{ background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.add-btn.added{ background: var(--ok); border-color: var(--ok); color:#06210f; }
.out-of-stock .product-media, .out-of-stock .product-body{ opacity:.5; }
.out-of-stock .add-btn{ pointer-events:none; }

.empty-state{ text-align:center; padding: 70px 20px; color: var(--text-dim); }
.empty-state svg{ width:44px;height:44px; color: var(--text-faint); margin-bottom:14px; }
.empty-state h3{ color:#fff; margin-bottom:6px; }

/* ---------- Category page header ---------- */
.cat-hero{ padding: 40px 0 8px; }
.crumbs{ font-size:12.5px; color: var(--text-faint); margin-bottom: 14px; }
.crumbs a:hover{ color: var(--text-dim); }
.cat-hero-row{ display:flex; align-items:center; gap:16px; }
.cat-hero-icon{ width:56px;height:56px; border-radius: var(--radius); background: var(--bg-panel); border:1px solid var(--line); border-left:3px solid var(--c, var(--accent)); display:flex; align-items:center; justify-content:center; color: var(--c, var(--accent)); flex-shrink:0; }
.cat-hero-icon svg{ width:28px;height:28px; }
.cat-hero h1{ font-size:30px; margin-bottom:2px; }
.cat-hero .sub{ color: var(--text-dim); font-size:14px; }
.filter-row{ display:flex; gap:8px; margin: 26px 0 4px; flex-wrap:wrap; }
.filter-chip{ font-size:12.5px; padding:7px 13px; border-radius: 16px; border:1px solid var(--line); color: var(--text-dim); background: var(--bg-panel); }
.filter-chip.active{ border-color: var(--accent); color:#fff; background: var(--bg-panel-2); }

/* ---------- Product detail page ---------- */
.pd-wrap{ padding: 28px 0 0; }
.pd-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items:flex-start; }
.pd-media{
  --c: var(--accent);
  aspect-ratio: 1 / 1; border-radius: var(--radius-lg); border:1px solid var(--line);
  background:
    radial-gradient(circle at 30% 22%, color-mix(in srgb, var(--c) 18%, transparent), transparent 62%),
    var(--bg-panel);
  display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden;
}
.pd-media svg{ width:34%; height:34%; color: var(--c); }
.pd-media .badge{ top:16px; left:16px; }
.pd-media .product-cat{ top:16px; right:16px; font-size:11px; padding:5px 9px; }
.pd-thumbs{ display:flex; gap:10px; margin-top:12px; }
.pd-thumb{ width:56px; height:56px; border-radius: var(--radius); border:1px solid var(--line); background: var(--bg-panel); display:flex; align-items:center; justify-content:center; color: var(--c, var(--accent)); }
.pd-thumb svg{ width:24px;height:24px; }
.pd-thumb.active{ border-color: var(--accent); }

.pd-info .cat-link{ font-size:12.5px; color: var(--text-dim); }
.pd-info .cat-link:hover{ color: var(--accent); }
.pd-info h1{ font-size: 28px; margin: 10px 0 8px; line-height:1.2; }
.pd-rating{ display:flex; align-items:center; gap:10px; margin-bottom:16px; }
.pd-rating .stars{ display:flex; color: var(--accent); gap:1px; }
.pd-rating a{ font-size:12.5px; color: var(--text-dim); }
.pd-rating a:hover{ color:#fff; }
.pd-price-row{ display:flex; align-items:baseline; gap:12px; margin-bottom: 6px; }
.pd-price-row .price{ font-size:30px; }
.pd-stock{ font-size:13px; margin-bottom:22px; display:flex; align-items:center; gap:7px; }
.pd-stock.in{ color: var(--ok); }
.pd-stock.out{ color: var(--danger); }
.pd-stock .dotpulse{ width:7px;height:7px;border-radius:50%; background:currentColor; }
.pd-desc{ color: var(--text-dim); font-size:14.5px; margin-bottom:22px; max-width: 52ch; }
.pd-specs-mini{ display:flex; flex-wrap:wrap; gap:7px; margin-bottom:24px; }
.pd-buy-row{ display:flex; gap:12px; align-items:center; }
.qty-selector{ display:flex; align-items:center; border:1px solid var(--line); border-radius: var(--radius); overflow:hidden; }
.qty-selector button{ width:40px; height:46px; background: var(--bg-panel); border:none; color:#fff; font-size:16px; }
.qty-selector button:hover{ background: var(--bg-panel-2); }
.qty-selector .qv{ width:40px; text-align:center; font-family:'Rajdhani',sans-serif; font-weight:700; font-size:16px; }
.pd-buy-row .btn{ height:46px; flex:1; }
.pd-trust-mini{ display:flex; flex-direction:column; gap:10px; margin-top:24px; padding-top:22px; border-top:1px solid var(--line); }
.pd-trust-mini div{ display:flex; gap:10px; align-items:center; font-size:13px; color: var(--text-dim); }
.pd-trust-mini svg{ width:17px;height:17px; color: var(--accent); flex-shrink:0; }

.pd-tabs{ display:flex; gap:6px; margin-top:52px; border-bottom:1px solid var(--line); }
.pd-tab{ padding:12px 4px; margin-right:26px; font-size:14.5px; color: var(--text-dim); border-bottom:2px solid transparent; background:none; border-top:none; border-left:none; border-right:none; font-family:inherit; }
.pd-tab.active{ color:#fff; border-color: var(--accent); }
.pd-tab-panel{ display:none; padding: 26px 0 10px; }
.pd-tab-panel.active{ display:block; }
.spec-table{ width:100%; border-collapse:collapse; max-width: 560px; }
.spec-table tr{ border-bottom:1px solid var(--line-soft); }
.spec-table td{ padding: 11px 4px; font-size:13.5px; }
.spec-table td:first-child{ color: var(--text-dim); width:44%; }
.spec-table td:last-child{ color:#fff; font-weight:500; }

.review-summary{ display:flex; align-items:center; gap:20px; margin-bottom:28px; }
.review-summary .big{ font-family:'Rajdhani',sans-serif; font-weight:700; font-size:40px; color:#fff; }
.review-summary .stars{ display:flex; color: var(--accent); gap:2px; margin:4px 0; }
.review-summary .count{ font-size:12.5px; color: var(--text-dim); }
.review-item{ padding: 18px 0; border-bottom:1px solid var(--line-soft); }
.review-item:first-child{ padding-top:0; }
.review-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:6px; }
.review-name{ font-weight:600; color:#fff; font-size:14px; }
.review-date{ font-size:12px; color: var(--text-faint); }
.review-stars{ display:flex; color: var(--accent); gap:1px; margin-bottom:8px; }
.review-text{ font-size:13.5px; color: var(--text-dim); margin:0; max-width: 62ch; }

.pd-related{ margin-top: 60px; }

/* ---------- About page ---------- */
.about-hero{ padding: 60px 0 20px; }
.about-hero h1{ font-size:38px; max-width: 16ch; }
.about-hero .lede{ color: var(--text-dim); font-size:16px; max-width:60ch; }
.about-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:16px; margin-top:20px; }
.about-card{ background: var(--bg-panel); border:1px solid var(--line); border-radius: var(--radius-lg); padding:22px; }
.about-card svg{ width:22px;height:22px; color: var(--accent); margin-bottom:12px; }
.about-card h3{ font-size:16px; margin-bottom:6px; }
.about-card p{ color: var(--text-dim); font-size:13.5px; margin:0; }
.timeline{ margin-top: 40px; border-top:1px solid var(--line); }
.timeline-row{ display:grid; grid-template-columns: 90px 1fr; gap:20px; padding: 20px 0; border-bottom:1px solid var(--line); }
.timeline-row .yr{ font-family:'Rajdhani',sans-serif; font-weight:700; color: var(--accent); font-size:18px; }
.timeline-row h4{ font-size:15px; margin-bottom:4px; }
.timeline-row p{ color: var(--text-dim); font-size:13.5px; margin:0; }
.contact-panel{ background: var(--bg-panel); border:1px solid var(--line); border-radius: var(--radius-lg); padding: 26px; margin-top: 44px; display:grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact-panel h3{ font-size:18px; }
.contact-list{ list-style:none; padding:0; margin:14px 0 0; display:flex; flex-direction:column; gap:12px; }
.contact-list li{ display:flex; gap:10px; align-items:center; font-size:14px; color: var(--text-dim); }
.contact-list svg{ width:17px;height:17px; color: var(--accent); flex-shrink:0; }
.map-box{ border:1px solid var(--line); border-radius: var(--radius); height: 100%; min-height:140px; display:flex; align-items:center; justify-content:center; color: var(--text-faint); font-size:13px; }

/* ---------- Footer ---------- */
.site-footer{ border-top:1px solid var(--line); padding: 44px 0 26px; margin-top: 40px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer-grid h4{ font-size:13px; color: var(--text-dim); text-transform:none; margin-bottom:14px; font-family:'Inter'; font-weight:600; }
.footer-grid ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:9px; }
.footer-grid a{ font-size:13.5px; color: var(--text-dim); }
.footer-grid a:hover{ color:#fff; }
.footer-about p{ color: var(--text-dim); font-size:13.5px; max-width:34ch; margin: 10px 0 16px; }
.footer-social{ display:flex; gap:10px; }
.footer-social a{ width:34px;height:34px; border:1px solid var(--line); border-radius: var(--radius); display:flex; align-items:center; justify-content:center; }
.footer-social a:hover{ border-color: var(--accent); color: var(--accent); }
.footer-social svg{ width:16px;height:16px; }
.footer-bottom{ margin-top: 36px; padding-top: 20px; border-top:1px solid var(--line); display:flex; justify-content:space-between; font-size:12px; color: var(--text-faint); flex-wrap:wrap; gap:10px; }

/* ---------- Cart drawer ---------- */
.overlay{ position:fixed; inset:0; background: rgba(6,8,11,.6); z-index:60; opacity:0; visibility:hidden; transition: opacity .2s ease, visibility .2s; }
.overlay.open{ opacity:1; visibility:visible; }
.cart-drawer{
  position:fixed; top:0; right:0; height:100%; width: 420px; max-width: 92vw;
  background: var(--bg-panel); border-left:1px solid var(--line); z-index:61;
  display:flex; flex-direction:column; transform: translateX(100%); transition: transform .25s ease;
}
.cart-drawer.open{ transform: translateX(0); }
.cart-head{ display:flex; align-items:center; justify-content:space-between; padding: 20px 22px; border-bottom:1px solid var(--line); }
.cart-head h3{ font-size:19px; margin:0; }
.cart-close{ background:none; border:none; color: var(--text-dim); width:32px;height:32px; display:flex; align-items:center; justify-content:center; border-radius:3px; }
.cart-close:hover{ color:#fff; background: var(--bg-panel-2); }
.cart-close svg{ width:18px;height:18px; }
.cart-body{ flex:1; overflow-y:auto; padding: 16px 22px; }
.cart-line{ display:flex; gap:12px; padding: 14px 0; border-bottom:1px solid var(--line-soft); }
.cart-line .chip{ width:48px;height:48px; border-radius:3px; background: var(--bg); border:1px solid var(--line); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.cart-line .chip svg{ width:22px;height:22px; }
.cart-line-info{ flex:1; min-width:0; }
.cart-line-info .nm{ font-size:13.5px; color:#fff; font-weight:600; line-height:1.35; }
.cart-line-info .cat{ font-size:11.5px; color: var(--text-faint); margin-top:2px; }
.qty-row{ display:flex; align-items:center; gap:10px; margin-top:8px; }
.qty-btn{ width:24px;height:24px; border:1px solid var(--line); background: var(--bg); color:#fff; border-radius:3px; display:flex; align-items:center; justify-content:center; font-size:14px; line-height:1; }
.qty-btn:hover{ border-color: var(--accent); }
.qty-val{ font-size:13px; min-width:16px; text-align:center; }
.line-remove{ font-size:12px; color: var(--text-faint); }
.line-remove:hover{ color: var(--danger); }
.cart-line-right{ display:flex; flex-direction:column; align-items:flex-end; justify-content:space-between; }
.line-total{ font-family:'Rajdhani',sans-serif; font-weight:700; font-size:15px; color:#fff; }

.cart-empty{ text-align:center; padding: 60px 10px; color: var(--text-dim); }
.cart-empty svg{ width:40px;height:40px; color: var(--text-faint); margin-bottom:12px; }

.cart-foot{ border-top:1px solid var(--line); padding: 18px 22px 22px; }
.sum-row{ display:flex; justify-content:space-between; font-size:13.5px; color: var(--text-dim); margin-bottom:8px; }
.sum-row.total{ color:#fff; font-family:'Rajdhani',sans-serif; font-weight:700; font-size:19px; margin: 12px 0 16px; padding-top:12px; border-top:1px solid var(--line-soft); }

/* checkout form (inside drawer, step 2) */
.checkout-form{ display:flex; flex-direction:column; gap:12px; }
.field label{ display:block; font-size:12.5px; color: var(--text-dim); margin-bottom:6px; }
.field input, .field textarea, .field select{
  width:100%; background: var(--bg); border:1px solid var(--line); color:#fff; padding:10px 12px;
  border-radius: var(--radius); font-family:inherit; font-size:13.5px;
}
.field input:focus, .field textarea:focus, .field select:focus{ border-color: var(--accent); }
.field textarea{ resize:vertical; min-height:64px; }
.field-error{ font-size:11.5px; color: var(--danger); margin-top:5px; display:none; }
.field.invalid input, .field.invalid textarea{ border-color: var(--danger); }
.field.invalid .field-error{ display:block; }
.pay-options{ display:flex; gap:10px; }
.pay-opt{ flex:1; border:1px solid var(--line); border-radius: var(--radius); padding:10px; font-size:12.5px; text-align:center; color: var(--text-dim); background: var(--bg); }
.pay-opt.selected{ border-color: var(--accent); color:#fff; background: var(--bg-panel-2); }
.back-link{ display:inline-flex; align-items:center; gap:6px; font-size:12.5px; color: var(--text-dim); margin-bottom:4px; }
.back-link:hover{ color:#fff; }
.back-link svg{ width:13px;height:13px; }

.order-success{ text-align:center; padding: 40px 10px; }
.order-success svg{ width:52px;height:52px; color: var(--ok); margin-bottom:16px; }
.order-success h3{ font-size:20px; margin-bottom:8px; }
.order-success p{ color: var(--text-dim); font-size:13.5px; max-width:30ch; margin:0 auto 22px; }
.order-fail{ text-align:center; padding:24px 10px; }
.order-fail svg{ width:40px;height:40px; color: var(--danger); margin-bottom:12px; }
.order-fail p{ color: var(--text-dim); font-size:13px; max-width:32ch; margin: 0 auto 16px; }

.toast{
  position:fixed; bottom:24px; left:50%; transform: translateX(-50%) translateY(20px); z-index:80;
  background: var(--bg-panel-2); border:1px solid var(--accent); color:#fff; padding:12px 18px;
  border-radius: var(--radius); font-size:13.5px; display:flex; align-items:center; gap:10px;
  opacity:0; visibility:hidden; transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.toast.show{ opacity:1; visibility:visible; transform: translateX(-50%) translateY(0); }
.toast svg{ width:16px;height:16px; color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns:1fr; gap:40px; }
  .product-grid{ grid-template-columns: repeat(3,1fr); }
  .cat-tiles{ grid-template-columns: repeat(3,1fr); }
  .trust-grid{ grid-template-columns: repeat(2,1fr); }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .about-grid{ grid-template-columns: 1fr 1fr; }
  .contact-panel{ grid-template-columns: 1fr; }
}
@media (max-width: 680px){
  .main-nav, .search-box{ display:none; }
  .burger{ display:flex; }
  .header-inner{ height:60px; }
  .hero{ padding: 40px 0 24px; }
  .hero h1{ font-size:32px; }
  .product-grid{ grid-template-columns: repeat(2,1fr); }
  .cat-tiles{ grid-template-columns: repeat(2,1fr); }
  .trust-grid{ grid-template-columns: 1fr 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .about-grid{ grid-template-columns: 1fr; }
  .cart-drawer{ width:100%; }
  .timeline-row{ grid-template-columns: 1fr; gap:6px; }
}
@media (max-width: 420px){
  .product-grid{ grid-template-columns: 1fr 1fr; gap:10px; }
  .cat-tiles{ grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior:auto !important; }
}

/* ---------- Card rating (catalog cards) ---------- */
.card-rating{ display:flex; align-items:center; gap:6px; }
.card-rating .stars-row{ display:inline-flex; gap:1px; }
.card-rating span{ font-size:11.5px; color: var(--text-dim); }

/* ---------- Product detail page ---------- */
.product-page{ padding: 28px 0 0; }
.product-hero-grid{ display:grid; grid-template-columns: 440px 1fr; gap: 40px; align-items:flex-start; margin-top: 22px; }

.media-panel{
  --c: var(--accent);
  position: sticky; top: 90px;
  background: var(--bg-panel); border:1px solid var(--line); border-radius: var(--radius-lg);
  aspect-ratio: 1 / 1; display:flex; align-items:center; justify-content:center; overflow:hidden;
  position: relative;
}
.media-panel::before{
  content:''; position:absolute; inset:0;
  background: radial-gradient(circle at 32% 24%, color-mix(in srgb, var(--c) 16%, transparent), transparent 62%);
}
.media-panel svg{ width: 34%; height: 34%; color: var(--c); position:relative; z-index:1; }
.media-panel .badge{ z-index:2; }
.media-panel .product-cat{ z-index:2; }

.info-panel .cat-link{ font-size:12.5px; color: var(--text-dim); }
.info-panel .cat-link:hover{ color: var(--accent); }
.info-panel h1{ font-size: 27px; margin: 8px 0 10px; max-width: 22ch; }
.rating-row{ display:flex; align-items:center; gap:10px; margin-bottom: 18px; }
.rating-row .stars-row{ display:inline-flex; gap:2px; }
.rating-row span{ font-size:13px; color: var(--text-dim); }
.rating-row a{ font-size:13px; color: var(--accent); }

.price-block{ display:flex; align-items:baseline; gap:12px; margin-bottom:6px; }
.price-block .now{ font-family:'Rajdhani',sans-serif; font-weight:700; font-size:32px; color:#fff; }
.price-block .old{ font-size:15px; color: var(--text-faint); text-decoration: line-through; }
.save-badge{ display:inline-block; font-size:11.5px; color: var(--warn); margin-bottom:16px; }
.stock-row{ display:flex; align-items:center; gap:8px; font-size:13.5px; margin-bottom: 22px; }
.stock-dot{ width:8px;height:8px;border-radius:50%; background: var(--ok); }
.stock-dot.out{ background: var(--danger); }
.stock-row.out{ color: var(--text-dim); }

.short-desc{ color: var(--text-dim); font-size:14.5px; max-width: 56ch; margin-bottom: 22px; }

.buy-row{ display:flex; gap:12px; margin-bottom: 26px; }
.qty-selector{ display:flex; align-items:center; border:1px solid var(--line); border-radius: var(--radius); overflow:hidden; }
.qty-selector button{ width:42px; height:46px; background: var(--bg-panel); border:none; color:#fff; font-size:17px; }
.qty-selector button:hover{ background: var(--bg-panel-2); }
.qty-selector .val{ width:44px; text-align:center; font-size:15px; color:#fff; }
.buy-row .btn{ flex:1; height:46px; }

.mini-trust{ display:flex; flex-direction:column; gap:10px; padding: 18px; background: var(--bg-panel); border:1px solid var(--line); border-radius: var(--radius-lg); margin-bottom: 26px; }
.mini-trust div{ display:flex; gap:10px; align-items:center; font-size:13px; color: var(--text-dim); }
.mini-trust svg{ width:16px;height:16px; color: var(--accent); flex-shrink:0; }

.key-specs{ display:grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; margin-bottom: 4px; }
.key-specs div{ display:flex; justify-content:space-between; gap:10px; font-size:13px; padding: 9px 0; border-bottom:1px solid var(--line-soft); }
.key-specs .k{ color: var(--text-dim); }
.key-specs .v{ color:#fff; font-weight:500; text-align:right; }

/* tabs */
.tabs{ margin-top: 48px; border-top:1px solid var(--line); }
.tab-nav{ display:flex; gap: 4px; border-bottom:1px solid var(--line); margin-bottom: 26px; }
.tab-btn{ background:none; border:none; color: var(--text-dim); font-family:'Rajdhani',sans-serif; font-weight:600; font-size:15.5px; padding: 16px 4px; margin-right: 28px; border-bottom: 2px solid transparent; }
.tab-btn.active{ color:#fff; border-color: var(--accent); }
.tab-panel{ display:none; }
.tab-panel.active{ display:block; }
.desc-text{ color: var(--text-dim); font-size:14.5px; max-width: 72ch; line-height:1.7; }
.package-list{ list-style:none; padding:0; margin: 20px 0 0; display:grid; grid-template-columns: 1fr 1fr; gap:10px; max-width: 60ch; }
.package-list li{ font-size:13.5px; color: var(--text-dim); display:flex; align-items:center; gap:9px; }
.package-list svg{ width:14px;height:14px; color: var(--accent); flex-shrink:0; }

.specs-table{ width:100%; max-width: 60ch; border-collapse:collapse; }
.specs-table tr{ border-bottom:1px solid var(--line-soft); }
.specs-table td{ padding: 12px 4px; font-size:13.5px; }
.specs-table td:first-child{ color: var(--text-dim); width: 45%; }
.specs-table td:last-child{ color:#fff; font-weight:500; }

/* reviews */
.reviews-summary{ display:flex; align-items:center; gap:22px; margin-bottom: 30px; padding-bottom:26px; border-bottom:1px solid var(--line); }
.reviews-summary .big-num{ font-family:'Rajdhani',sans-serif; font-weight:700; font-size:44px; color:#fff; line-height:1; }
.reviews-summary .stars-row{ display:inline-flex; gap:2px; margin: 6px 0; }
.reviews-summary .count-txt{ font-size:12.5px; color: var(--text-dim); }
.review-card{ padding: 20px 0; border-bottom:1px solid var(--line-soft); }
.review-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:8px; }
.review-head .who{ display:flex; align-items:center; gap:10px; }
.review-avatar{ width:34px;height:34px; border-radius:50%; background: var(--bg-panel-2); border:1px solid var(--line); display:flex; align-items:center; justify-content:center; font-family:'Rajdhani',sans-serif; font-weight:700; font-size:14px; color: var(--accent); }
.review-name{ font-size:13.5px; color:#fff; font-weight:600; }
.review-date{ font-size:11.5px; color: var(--text-faint); }
.review-text{ font-size:13.5px; color: var(--text-dim); line-height:1.6; max-width: 66ch; }

.review-form{ margin-top: 30px; padding-top: 26px; border-top:1px solid var(--line); max-width: 60ch; }
.review-form h4{ font-size:16px; margin-bottom:16px; }
.star-picker{ display:flex; gap:4px; margin-bottom: 14px; }
.star-picker button{ background:none; border:none; padding:2px; }
.star-picker svg{ width:24px;height:24px; color: var(--text-faint); }
.star-picker button.active svg, .star-picker button:hover svg{ color: var(--accent); }

.related-section{ margin-top: 54px; padding-top: 40px; border-top:1px solid var(--line); }

@media (max-width: 900px){
  .product-hero-grid{ grid-template-columns:1fr; }
  .media-panel{ position:static; aspect-ratio: 16/10; }
  .key-specs{ grid-template-columns: 1fr; }
  .package-list{ grid-template-columns: 1fr; }
}