:root{
    --ink:#17181c;
    --panel:#1f2126;
    --panel-alt:#262930;
    --paper:#f3f1ea;
    --amber:#ffb03b;
    --teal:#22d3b0;
    --green:#3ddc71;
    --muted:#8b8d98;
    --text:#ecebe6;
    --line: rgba(236,235,230,0.09);
    --radius: 18px;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--ink);
    color:var(--text);
    font-family:'Inter', sans-serif;
    line-height:1.5;
    overflow-x:hidden;
  }
  h1,h2,h3,.display{ font-family:'Space Grotesk', sans-serif; letter-spacing:-0.02em; }
  .mono{ font-family:'JetBrains Mono', monospace; letter-spacing:0.01em;}
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}
  a:focus-visible, button:focus-visible, [role="button"]:focus-visible, .chip:focus-visible, .add-btn:focus-visible{
    outline:2px solid var(--teal); outline-offset:2px; border-radius:8px;
  }
  @media (prefers-reduced-motion: reduce){
    *{animation:none !important; transition:none !important;}
  }

  /* ---------- battery scroll indicator (signature element) ---------- */
  .battery-track{
    position:fixed; top:0; left:0; right:0; height:5px; z-index:1000;
    background: rgba(255,255,255,0.06);
  }
  .battery-fill{
    height:100%; width:0%;
    background: linear-gradient(90deg, var(--amber), var(--teal));
    transition: width 0.05s linear;
  }
  .battery-readout{
    position:fixed; top:12px; right:18px; z-index:1000;
    font-size:11px; color:var(--muted);
    display:flex; align-items:center; gap:6px;
    background:rgba(23,24,28,0.7); backdrop-filter: blur(6px);
    padding:5px 10px 5px 8px; border-radius:20px; border:1px solid var(--line);
  }
  .battery-icon{
    width:22px; height:11px; border:1.4px solid var(--muted); border-radius:3px;
    position:relative; padding:1.5px;
  }
  .battery-icon::after{
    content:''; position:absolute; right:-4px; top:3px; width:2.5px; height:5px;
    background:var(--muted); border-radius:1px;
  }
  .battery-icon i{
    display:block; height:100%; width:var(--charge,10%);
    background:linear-gradient(90deg, var(--amber), var(--teal));
    border-radius:1px;
  }

  /* ---------- header ---------- */
  header{
    position:sticky; top:5px; z-index:900;
    display:flex; justify-content:space-between; align-items:center;
    padding:18px 6vw; backdrop-filter: blur(10px);
    background: rgba(23,24,28,0.55);
    border-bottom:1px solid var(--line);
  }
  .logo{ font-size:20px; font-weight:700; display:flex; align-items:center; gap:10px; white-space:nowrap;}
  .logo .dot{ width:9px; height:9px; border-radius:50%; background:var(--amber); box-shadow:0 0 10px var(--amber);}
  .logo img{ width:30px; height:30px; border-radius:8px; display:block; }
  nav.links{ display:flex; gap:32px; font-size:14px; color:var(--muted);}
  nav.links a:hover{ color:var(--text); }
  .header-actions{ display:flex; align-items:center; gap:12px; }
  .cart-btn{
    display:flex; align-items:center; gap:8px;
    background:var(--panel-alt); border:1px solid var(--line);
    padding:9px 16px; border-radius:30px; font-size:13px; cursor:pointer;
    position:relative;
  }
  .cart-btn:hover{ border-color:var(--teal); }
  .cart-count{
    background:var(--teal); color:#0a1c18; font-weight:700; font-size:11px;
    min-width:18px; height:18px; padding:0 5px; border-radius:9px; display:flex; align-items:center; justify-content:center;
  }
  .burger{
    display:none; width:40px; height:40px; border-radius:10px; border:1px solid var(--line);
    background:var(--panel-alt); cursor:pointer; position:relative; flex:none;
  }
  .burger span, .burger span::before, .burger span::after{
    content:''; position:absolute; left:10px; right:10px; height:2px; background:var(--text); border-radius:2px; transition:.2s;
  }
  .burger span{ top:19px; }
  .burger span::before{ top:-6px; }
  .burger span::after{ top:6px; }
  .burger:hover span, .burger:hover span::before, .burger:hover span::after{ background:var(--teal); }
  @media (max-width:820px){ nav.links{ display:none; } .burger{ display:flex; } }

  .mobile-nav{ position:fixed; inset:0; background:rgba(10,10,12,0.68); backdrop-filter: blur(4px); z-index:950; display:none; }
  .mobile-nav.open{ display:block; }
  .mobile-nav .panel{
    position:absolute; top:0; right:0; height:100%; width:min(320px, 84vw);
    background:var(--panel); border-left:1px solid var(--line); padding:100px 26px 26px;
    display:flex; flex-direction:column;
  }
  .mobile-nav a{ padding:16px 2px; border-bottom:1px solid var(--line); font-size:15px; color:var(--text); }
  .mobile-nav a:hover{ color:var(--teal); }

  /* ---------- hero ---------- */
  .hero{
    padding:9vh 6vw 8vh; display:grid; grid-template-columns:1.1fr 0.9fr; gap:4vw; align-items:center;
  }
  @media (max-width:820px){ .hero{ grid-template-columns:1fr; } .hero-visual{ display:none; } }
  .eyebrow{
    color:var(--teal); font-size:13px; text-transform:uppercase; letter-spacing:0.14em; margin-bottom:18px;
    display:flex; align-items:center; gap:10px;
  }
  .eyebrow::before{ content:''; width:24px; height:1px; background:var(--teal); }
  .hero h1{ font-size:clamp(38px, 5.4vw, 68px); font-weight:700; line-height:1.03; margin-bottom:22px;}
  .hero h1 .accent{ background:linear-gradient(90deg, var(--amber), var(--teal)); -webkit-background-clip:text; background-clip:text; color:transparent;}
  .hero p{ color:var(--muted); font-size:17px; max-width:480px; margin-bottom:34px;}
  .cta-row{ display:flex; gap:16px; flex-wrap:wrap; }
  .btn{
    padding:14px 26px; border-radius:12px; font-size:14px; font-weight:600; cursor:pointer; border:none;
    position:relative; display:inline-flex; align-items:center; gap:8px;
  }
  .btn-primary{ background:var(--text); color:var(--ink); }
  .btn-primary::after{
    content:''; width:8px; height:8px; background:var(--ink); border-radius:2px;
  }
  .btn-ghost{ background:transparent; color:var(--text); border:1px solid var(--line); }
  .btn:hover{ transform:translateY(-1px); }
  .btn:disabled{ opacity:.5; cursor:not-allowed; transform:none; }

  .hero-visual{ position:relative; height:420px; display:flex; align-items:center; justify-content:center; }
  .charge-orb{
    width:300px; height:300px; border-radius:50%;
    background: radial-gradient(circle at 35% 30%, var(--panel-alt), var(--panel) 70%);
    border:1px solid var(--line);
    display:flex; align-items:center; justify-content:center;
    position:relative;
  }
  .charge-orb .pct{ font-size:56px; font-weight:700; font-family:'JetBrains Mono', monospace; }
  .charge-orb .pct span{ font-size:22px; color:var(--muted); }
  svg.ring-svg{ position:absolute; inset:-14px; transform:rotate(-90deg); }
  .orbit-tag{
    position:absolute; background:var(--panel-alt); border:1px solid var(--line);
    padding:8px 14px; border-radius:30px; font-size:12px; color:var(--muted);
    display:flex; align-items:center; gap:6px;
  }
  .orbit-tag .sw{ width:6px; height:6px; border-radius:50%; }
  .ot1{ top:6%; left:-4%; } .ot1 .sw{ background:var(--amber); }
  .ot2{ bottom:10%; right:-6%; } .ot2 .sw{ background:var(--teal); }

  /* ---------- trust strip ---------- */
  .trust{
    display:flex; justify-content:space-between; gap:20px; padding:26px 6vw; border-top:1px solid var(--line); border-bottom:1px solid var(--line);
    flex-wrap:wrap; color:var(--muted); font-size:13px;
  }
  .trust div{ display:flex; align-items:center; gap:10px; }
  .trust b{ color:var(--text); font-weight:600; }

  /* ---------- section shell ---------- */
  section.block{ padding:9vh 6vw; }
  .section-head{ display:flex; justify-content:space-between; align-items:flex-end; margin-bottom:34px; gap:20px; flex-wrap:wrap;}
  .section-head h2{ font-size:clamp(28px,3.4vw,40px); }
  .section-head p{ color:var(--muted); max-width:380px; font-size:14px; }
  .tag-mono{ font-size:12px; color:var(--muted); }

  /* ---------- categories ---------- */
  .cat-grid{ display:grid; grid-template-columns:repeat(6,1fr); gap:14px; }
  .cat-card{
    background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
    padding:22px 16px; text-align:center; cursor:pointer; transition:border-color .2s, transform .2s;
  }
  .cat-card:hover{ border-color:var(--teal); transform:translateY(-3px); }
  .cat-card .ic{ font-size:26px; margin-bottom:12px; }
  .cat-card .n{ font-size:13px; font-weight:600; }
  .cat-card .c{ font-size:11px; color:var(--muted); margin-top:4px; }
  @media (max-width:900px){ .cat-grid{ grid-template-columns:repeat(3,1fr);} }
  @media (max-width:560px){ .cat-grid{ grid-template-columns:repeat(2,1fr);} }

  /* ---------- filter bar ---------- */
  .filter-bar{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:30px; }
  .chip{
    background:var(--panel); border:1px solid var(--line); color:var(--muted);
    padding:8px 15px; border-radius:30px; font-size:12.5px; cursor:pointer; transition:.18s;
    display:inline-flex; align-items:center; gap:7px; white-space:nowrap;
  }
  .chip:hover{ color:var(--text); border-color:var(--muted); }
  .chip.active{ background:var(--text); color:var(--ink); border-color:var(--text); font-weight:600; }
  .chip .qty{ font-size:11px; opacity:.7; }

  /* ---------- extra facet filters (model / color) ---------- */
  .facet-row{ display:flex; gap:12px; flex-wrap:wrap; margin:-14px 0 24px; }
  .facet-row select{
    background:var(--panel); border:1px solid var(--line); color:var(--text);
    padding:9px 14px; border-radius:30px; font-size:12.5px; cursor:pointer;
    font-family:'Inter', sans-serif;
  }
  .facet-row select:focus{ outline:none; border-color:var(--teal); }
  .stock-toggle{ cursor:pointer; user-select:none; }
  .stock-toggle input{ accent-color:var(--teal); width:14px; height:14px; cursor:pointer; }
  .stock-toggle:has(input:checked){ background:var(--text); color:var(--ink); border-color:var(--text); font-weight:600; }

  /* ---------- product grid ---------- */
  .prod-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
  @media (max-width:1100px){ .prod-grid{ grid-template-columns:repeat(3,1fr);} }
  @media (max-width:820px){ .prod-grid{ grid-template-columns:repeat(2,1fr);} }
  @media (max-width:480px){ .prod-grid{ grid-template-columns:1fr;} }
  .prod-card{
    background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
    overflow:hidden; display:flex; flex-direction:column; transition:border-color .2s, transform .2s;
    cursor:pointer;
  }
  .prod-card:hover{ border-color:rgba(236,235,230,0.2); transform:translateY(-3px); }
  .product-drawer{
    width:min(560px, 96vw); height:100%; background:var(--panel); border-left:1px solid var(--line);
    padding:28px 26px; display:flex; flex-direction:column; gap:0; overflow:hidden;
  }
  .product-drawer h3{ display:flex; justify-content:space-between; align-items:center; font-size:20px; margin-bottom:18px; flex:none; }
  .product-drawer h3 .x{ cursor:pointer; color:var(--muted); font-size:22px; line-height:1; }
  .product-drawer h3 .x:hover{ color:var(--text); }
  .product-body{ flex:1; overflow-y:auto; padding-right:6px; }
  .product-media-lg{
    width:100%; height:280px; background:#f4f4f2; border-radius:16px; overflow:hidden;
    display:flex; align-items:center; justify-content:center; margin-bottom:18px; position:relative;
  }
  .product-media-lg img{ width:100%; height:100%; object-fit:contain; padding:18px; }
  .product-name-lg{ font-size:20px; font-weight:700; margin-bottom:10px; line-height:1.3; }
  .product-spec-lg{ font-size:14px; color:var(--text); line-height:1.6; margin-bottom:20px; }
  .product-meta{ display:flex; flex-wrap:wrap; gap:10px 20px; margin-bottom:18px; font-size:12.5px; color:var(--muted); }
  .product-meta b{ color:var(--text); }
  .product-buy-row{ display:flex; justify-content:space-between; align-items:center; gap:14px; margin-bottom:18px; }
  .product-price-lg{ font-family:'JetBrains Mono', monospace; font-size:24px; font-weight:700; color:var(--amber); }
  .prod-media{
    height:200px; background:#f4f4f2; position:relative; overflow:hidden;
    display:flex; align-items:center; justify-content:center;
  }
  .prod-media img{ width:100%; height:100%; object-fit:contain; padding:12px; }
  .prod-badge{
    position:absolute; top:10px; left:10px; font-size:10.5px; font-weight:600;
    background:rgba(23,24,28,0.82); color:var(--teal); padding:4px 9px; border-radius:20px;
    letter-spacing:.03em;
  }
  .prod-badge.out{ color:#ff8f8f; }
  .sale-badge{
    position:absolute; top:10px; right:10px; font-size:10.5px; font-weight:700;
    background:var(--red); color:#1a1a1a; padding:4px 9px; border-radius:20px;
    letter-spacing:.02em;
  }
  .price-wrap{ display:flex; flex-direction:column; gap:1px; }
  .old-price{ font-family:'JetBrains Mono', monospace; font-size:11.5px; color:var(--muted); text-decoration:line-through; white-space:nowrap; }
  .pdp-old-price{ font-family:'JetBrains Mono', monospace; font-size:15px; color:var(--muted); text-decoration:line-through; margin-bottom:2px; }
  .pdp-sale-badge{
    display:inline-block; font-size:11.5px; font-weight:700; background:var(--red); color:#1a1a1a;
    padding:4px 10px; border-radius:20px; margin-bottom:8px; letter-spacing:.02em;
  }
  .prod-body{ padding:16px 16px 18px; display:flex; flex-direction:column; gap:9px; flex:1; }
  .prod-cat{ font-size:11px; color:var(--teal); text-transform:uppercase; letter-spacing:.08em; }
  .prod-name{ font-size:14px; font-weight:600; line-height:1.3; }
  .prod-spec{ font-size:12px; color:var(--muted); line-height:1.45; }
  .prod-foot{ display:flex; justify-content:space-between; align-items:center; margin-top:auto; padding-top:12px; gap:10px; }
  .prod-price{ font-family:'JetBrains Mono', monospace; font-size:16px; font-weight:600; color:var(--amber); white-space:nowrap; }
  .add-btn{
    background:var(--panel-alt); border:1px solid var(--line); color:var(--text);
    padding:9px 14px; border-radius:10px; cursor:pointer; font-size:13px; font-weight:600;
    display:inline-flex; align-items:center; gap:6px; transition:.18s;
  }
  .add-btn{ color:var(--green); font-weight:700; }
  .add-btn:hover:not(:disabled){ border-color:var(--green); color:var(--green); }
  .add-btn:disabled{ opacity:.4; cursor:not-allowed; }
  .load-more-row{ display:flex; justify-content:center; margin-top:36px; }
  .empty-note{ color:var(--muted); font-size:14px; padding:30px 0; text-align:center; grid-column:1/-1; }

  /* ---------- features ---------- */
  .feat-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
  @media (max-width:820px){ .feat-grid{ grid-template-columns:1fr; } }
  .feat-card{ padding:26px; border-radius:var(--radius); border:1px solid var(--line); background:var(--panel); }
  .feat-card .num{ font-family:'JetBrains Mono', monospace; color:var(--muted); font-size:12px; margin-bottom:16px; }
  .feat-card h3{ font-size:18px; margin-bottom:10px; }
  .feat-card p{ font-size:13.5px; color:var(--muted); }

  /* ---------- reviews ---------- */
  .review-row{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
  @media (max-width:820px){ .review-row{ grid-template-columns:1fr; } }
  .review{ background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:24px; }
  .review .stars{ color:var(--amber); font-size:13px; margin-bottom:14px; letter-spacing:2px;}
  .review p{ font-size:14px; color:var(--text); margin-bottom:16px; }
  .review .who{ font-size:12px; color:var(--muted); }

  /* ---------- final cta ---------- */
  .final-cta{
    margin:0 6vw 9vh; padding:64px 6vw; border-radius:28px;
    background: linear-gradient(120deg, #232732, #1a1c21);
    border:1px solid var(--line);
    text-align:center; position:relative; overflow:hidden;
  }
  .final-cta h2{ font-size:clamp(28px,4vw,44px); margin-bottom:16px; }
  .final-cta p{ color:var(--muted); margin-bottom:30px; }

  footer{ padding:40px 6vw; border-top:1px solid var(--line); display:flex; justify-content:space-between; flex-wrap:wrap; gap:20px; color:var(--muted); font-size:13px; }
  footer .cols{ display:flex; gap:60px; flex-wrap:wrap; }
  footer h4{ color:var(--text); font-size:13px; margin-bottom:12px; }
  footer div a{ display:block; margin-bottom:8px; }
  footer div a:hover{ color:var(--text); }

  /* ---------- cart / checkout drawer ---------- */
  .overlay{
    position:fixed; inset:0; background:rgba(10,10,12,0.6); backdrop-filter: blur(4px);
    display:none; align-items:stretch; justify-content:flex-end; z-index:1100;
  }
  .overlay.open{ display:flex; }
  .drawer{
    width:min(440px, 96vw); height:100%; background:var(--panel); border-left:1px solid var(--line);
    padding:24px; display:flex; flex-direction:column; gap:16px; overflow:hidden;
  }
  .drawer h3{ display:flex; justify-content:space-between; align-items:center; font-size:19px; }
  .drawer h3 .x{ cursor:pointer; color:var(--muted); font-size:22px; line-height:1; }
  .drawer h3 .x:hover{ color:var(--text); }
  .drawer-scroll{ flex:1; overflow-y:auto; display:flex; flex-direction:column; gap:12px; margin:0 -4px; padding:0 4px; }
  .cart-item{
    display:flex; gap:12px; align-items:center; border-bottom:1px solid var(--line); padding-bottom:12px;
  }
  .cart-item .thumb{ width:52px; height:52px; border-radius:10px; background:#f4f4f2; flex:none; overflow:hidden; }
  .cart-item .thumb img{ width:100%; height:100%; object-fit:contain; padding:4px; }
  .cart-item .info{ flex:1; min-width:0; }
  .cart-item .nm{ font-size:12.5px; font-weight:600; line-height:1.3; margin-bottom:4px;
    display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
  .cart-item .pr{ font-size:12px; color:var(--amber); font-family:'JetBrains Mono',monospace; }
  .stock-flag{ font-size:11px; font-weight:700; color:#ff8f8f; margin-bottom:3px; display:inline-flex; align-items:center; gap:4px; }
  .stock-flag::before{ content:'●'; font-size:8px; }
  .qty-ctl{ display:flex; align-items:center; gap:8px; }
  .qty-ctl button{
    width:26px; height:26px; border-radius:8px; border:1px solid var(--line); background:var(--panel-alt);
    color:var(--text); cursor:pointer; font-size:15px; line-height:1;
  }
  .qty-ctl button:hover{ border-color:var(--teal); color:var(--teal); }
  .qty-ctl .q{ font-size:13px; min-width:18px; text-align:center; font-family:'JetBrains Mono',monospace; }
  .cart-empty{ color:var(--muted); font-size:14px; text-align:center; margin-top:60px; }
  .cart-total{ display:flex; justify-content:space-between; font-family:'JetBrains Mono', monospace; font-size:17px; padding-top:16px; border-top:1px solid var(--line); }
  .note{ font-size:11.5px; color:var(--muted); line-height:1.5; }

  /* checkout form */
  .field{ display:flex; flex-direction:column; gap:6px; margin-bottom:12px; }
  .field label{ font-size:12px; color:var(--muted); }
  .field input, .field select, .field textarea{
    background:var(--panel-alt); border:1px solid var(--line); border-radius:10px; color:var(--text);
    padding:11px 13px; font-size:14px; font-family:inherit; width:100%;
  }
  .field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--teal); }
  .field textarea{ resize:vertical; min-height:60px; }
  .field-relative{ position:relative; }
  .city-suggest{
    position:absolute; top:100%; left:0; right:0; z-index:20; margin-top:4px;
    background:var(--panel-alt); border:1px solid var(--line); border-radius:10px;
    max-height:220px; overflow-y:auto; display:none;
  }
  .city-suggest.open{ display:block; }
  .city-suggest .opt{ padding:9px 13px; font-size:13px; cursor:pointer; }
  .city-suggest .opt:hover{ background:rgba(34,211,176,0.12); color:var(--teal); }
  .city-suggest .opt.empty{ color:var(--muted); cursor:default; }
  .city-suggest .opt.empty:hover{ background:none; color:var(--muted); }
  .np-hint{ font-size:11px; color:var(--muted); margin-top:2px; }

  /* ---------- info modal (delivery & payment etc.) ---------- */
  .info-drawer{
    width:min(560px, 96vw); height:100%; background:var(--panel); border-left:1px solid var(--line);
    padding:28px 26px; display:flex; flex-direction:column; gap:0; overflow:hidden;
  }
  .info-drawer h3{ display:flex; justify-content:space-between; align-items:center; font-size:20px; margin-bottom:18px; flex:none; }
  .info-drawer h3 .x{ cursor:pointer; color:var(--muted); font-size:22px; line-height:1; }
  .info-drawer h3 .x:hover{ color:var(--text); }
  .info-body{ flex:1; overflow-y:auto; padding-right:6px; }
  .info-body h4{ font-size:15px; margin:22px 0 10px; color:var(--teal); }
  .info-body h4:first-child{ margin-top:0; }
  .info-body p{ font-size:13.5px; color:var(--text); line-height:1.65; margin-bottom:12px; }
  .info-body ul{ margin:0 0 14px 18px; }
  .info-body li{ font-size:13.5px; color:var(--text); line-height:1.6; margin-bottom:8px; }
  .info-body li b{ color:var(--text); }
  .info-note{ font-size:12.5px; color:var(--muted); background:var(--panel-alt); border:1px solid var(--line); border-radius:12px; padding:12px 14px; line-height:1.55; }

  /* ---------- review form ---------- */
  .star-picker{ display:flex; gap:8px; font-size:30px; line-height:1; }
  .star-picker span{ cursor:pointer; color:rgba(236,235,230,0.18); transition:.15s; }
  .star-picker span.filled{ color:var(--amber); }
  .star-picker span:hover{ transform:scale(1.1); }
  .back-link{ color:var(--muted); font-size:13px; cursor:pointer; display:inline-flex; align-items:center; gap:6px; }
  .back-link:hover{ color:var(--text); }
  .order-summary{ background:var(--panel-alt); border:1px solid var(--line); border-radius:12px; padding:14px; font-size:12.5px; color:var(--muted); }
  .order-summary .row{ display:flex; justify-content:space-between; margin-bottom:6px; }
  .order-summary .row.total{ color:var(--text); font-family:'JetBrains Mono',monospace; margin-top:8px; padding-top:8px; border-top:1px solid var(--line); }
  .success-box{ text-align:center; margin-top:50px; display:flex; flex-direction:column; gap:14px; align-items:center; }
  .success-box .check{ width:60px; height:60px; border-radius:50%; background:var(--teal); color:#0a1c18; display:flex; align-items:center; justify-content:center; font-size:30px; }
  .hp{ position:absolute; left:-9999px; }
  .toast{
    position:fixed; bottom:24px; left:50%; transform:translateX(-50%) translateY(20px);
    background:var(--text); color:var(--ink); padding:12px 22px; border-radius:30px; font-size:13px; font-weight:600;
    z-index:1200; opacity:0; transition:.25s; pointer-events:none;
  }
  .toast.show{ opacity:1; transform:translateX(-50%) translateY(0); }

  /* ---------- breadcrumbs (product / category pages) ---------- */
  .crumbs{ padding:18px 6vw 0; font-size:12.5px; color:var(--muted); display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
  .crumbs a:hover{ color:var(--text); }
  .crumbs .sep{ opacity:.5; }
  .crumbs .cur{ color:var(--text); }

  /* ---------- single product page ---------- */
  .pdp{ padding:5vh 6vw 9vh; display:grid; grid-template-columns:0.9fr 1.1fr; gap:5vw; align-items:start; }
  @media (max-width:820px){ .pdp{ grid-template-columns:1fr; gap:28px; } }
  .pdp-media{
    width:100%; aspect-ratio:1/1; background:#f4f4f2; border-radius:var(--radius); overflow:hidden;
    display:flex; align-items:center; justify-content:center; position:relative; border:1px solid var(--line);
  }
  .pdp-media img{ width:100%; height:100%; object-fit:contain; padding:6vh; }
  .pdp-badge{ position:absolute; top:16px; left:16px; font-size:11px; font-weight:600; background:rgba(23,24,28,0.82); color:var(--teal); padding:5px 11px; border-radius:20px; }
  .pdp-badge.out{ color:#ff8f8f; }
  .pdp-cat a{ color:var(--teal); text-transform:uppercase; font-size:12px; letter-spacing:.08em; }
  .pdp-cat a:hover{ text-decoration:underline; }
  .pdp h1{ font-size:clamp(24px,3vw,34px); margin:10px 0 16px; line-height:1.2; }
  .pdp-meta{ display:flex; flex-wrap:wrap; gap:10px 22px; margin-bottom:18px; font-size:13px; color:var(--muted); }
  .pdp-meta b{ color:var(--text); }
  .pdp-price{ font-family:'JetBrains Mono', monospace; font-size:30px; font-weight:700; color:var(--amber); margin-bottom:22px; }
  .pdp-spec{ font-size:14.5px; color:var(--text); line-height:1.7; margin-bottom:26px; }
  .pdp-cta{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:18px; }
  .pdp-note{ font-size:12.5px; color:var(--muted); line-height:1.6; margin-bottom:10px; }
  .pdp-trust{ display:flex; flex-direction:column; gap:8px; margin-top:26px; padding-top:22px; border-top:1px solid var(--line); font-size:12.5px; color:var(--muted); }

  /* ---------- category landing page ---------- */
  .cat-hero{ padding:7vh 6vw 5vh; }
  .cat-hero .eyebrow{ margin-bottom:14px; }
  .cat-hero h1{ font-size:clamp(30px,4vw,46px); margin-bottom:14px; }
  .cat-hero p{ color:var(--muted); max-width:560px; font-size:15px; }
  .cat-links-row{ display:flex; gap:10px; flex-wrap:wrap; padding:0 6vw 5vh; }
  .cat-links-row a{
    background:var(--panel); border:1px solid var(--line); color:var(--muted); font-size:12.5px;
    padding:8px 15px; border-radius:30px;
  }
  .cat-links-row a.active{ background:var(--text); color:var(--ink); border-color:var(--text); font-weight:600; }
  .cat-links-row a:hover:not(.active){ color:var(--text); border-color:var(--muted); }

  /* ---------- related products ---------- */
  .related-head{ font-size:20px; margin-bottom:20px; }
