/* =========================================================
     DESIGN TOKENS — "Cinematic Signal" theme
     (inspired by dark futuristic portfolio sites: near-black,
     oversized type, high-contrast mono CTAs, restrained motion.
     In-stock/out-of-stock colors stay semantic, not decorative.)
  ========================================================= */
  :root {
    --bg: #060607;
    --surface: #0e0e10;
    --surface-2: #17171a;
    --hairline: rgba(245, 245, 247, 0.08);
    --hairline-strong: rgba(245, 245, 247, 0.16);

    --text: #f5f5f7;
    --text-muted: rgba(245, 245, 247, 0.6);
    --text-faint: rgba(245, 245, 247, 0.34);

    --in-stock: #10b981;
    --in-stock-dim: rgba(16, 185, 129, 0.14);
    --out-stock: #55565c;
    --signal: #f5f5f7;      /* high-contrast white "chrome" accent, replaces amber */
    --signal-dim: rgba(245, 245, 247, 0.1);
    --warn: #e8b33d;        /* reserved for demo-mode / caution states only */
    --warn-dim: rgba(232, 179, 61, 0.12);

    --font-display: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
    --font-body: "Inter", ui-sans-serif, system-ui, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;

    --edge: clamp(16px, 4vw, 64px);
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 7px;

    --topbar-h: 38px;
    --nav-h: 84px;
    --nav-h-shrunk: 60px;
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }

  body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-body); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
  img, svg { display: block; max-width: 100%; }
  a { color: inherit; text-decoration: none; }
  button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
  input, select { font: inherit; color: inherit; }

  /* Fixed film-grain overlay — cheap, no image asset, very "cinematic dark portfolio" */
  body::before {
    content: "";
    position: fixed; inset: 0; z-index: 2; pointer-events: none;
    opacity: 0.035; mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }

  .skip-link { position: absolute; left: -9999px; top: 0; background: var(--signal); color: #060607; padding: 12px 20px; border-radius: 0 0 8px 0; z-index: 999; font-weight: 700; }
  .skip-link:focus { left: 0; }
  :focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; border-radius: 4px; }

  .container { max-width: 1440px; margin-inline: auto; padding-inline: var(--edge); position: relative; }

  .eyebrow { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-faint); }

  .blink-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--in-stock); box-shadow: 0 0 0 3px var(--in-stock-dim), 0 0 8px 1px rgba(16,185,129,0.7); display: inline-block; flex-shrink: 0; }
  .blink-dot.warn { background: var(--warn); box-shadow: 0 0 0 3px var(--warn-dim), 0 0 8px 1px rgba(232,179,61,0.6); }
  @media (prefers-reduced-motion: no-preference) { .blink-dot { animation: blink 1.8s ease-in-out infinite; } }
  @keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

  .btn { display: inline-flex; align-items: center; gap: 9px; padding: 13px 24px; border-radius: 999px; font-size: 13px; font-weight: 600; letter-spacing: 0.02em; transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease; border: 1px solid transparent; white-space: nowrap; text-transform: uppercase; }
  .btn:active { transform: scale(0.97); }
  .btn:disabled { opacity: 0.35; cursor: not-allowed; }
  .btn-signal { background: var(--signal); color: #060607; }
  .btn-signal:hover:not(:disabled) { background: #fff; }
  .btn-outline { border-color: var(--hairline-strong); color: var(--text); }
  .btn-outline:hover { border-color: var(--signal); }
  .btn-ghost { color: var(--text-muted); text-transform: none; }
  .btn-ghost:hover { color: var(--text); }

  /* Scroll-reveal */
  .reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s cubic-bezier(.16,.84,.44,1), transform 0.8s cubic-bezier(.16,.84,.44,1); }
  .reveal.in-view { opacity: 1; transform: none; }
  .reveal-d1.in-view { transition-delay: 0.08s; }
  .reveal-d2.in-view { transition-delay: 0.16s; }
  .reveal-d3.in-view { transition-delay: 0.24s; }
  .reveal-d4.in-view { transition-delay: 0.32s; }
  @media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

  /* =========================================================
     LAYER 1 — UTILITY TOP BAR
  ========================================================= */
  #topbar { height: var(--topbar-h); display: flex; align-items: center; justify-content: space-between; background: #030304; border-bottom: 1px solid var(--hairline); font-size: 12px; color: var(--text-muted); overflow: hidden; transition: height 0.28s ease, opacity 0.2s ease; position: relative; z-index: 101; }
  #topbar.collapsed { height: 0; opacity: 0; border-bottom-color: transparent; }
  #topbar .container { display: flex; align-items: center; justify-content: space-between; width: 100%; height: var(--topbar-h); }
  #topbar .live-callout { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.02em; }
  #topbar .top-links { display: flex; align-items: center; gap: 18px; }
  #topbar .top-links a, #topbar .top-links button { color: var(--text-muted); font-size: 12px; }
  #topbar .top-links a:hover, #topbar .top-links button:hover { color: var(--text); }
  #topbar .divider { width: 1px; height: 12px; background: var(--hairline-strong); }

  /* =========================================================
     LAYER 2 — MAIN STICKY NAV
  ========================================================= */
  #mainnav { position: sticky; top: 0; z-index: 90; height: var(--nav-h); display: flex; align-items: center; background: rgba(6, 6, 7, 0.82); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--hairline); transition: height 0.25s ease, box-shadow 0.25s ease; }
  #mainnav.shrunk { height: var(--nav-h-shrunk); box-shadow: 0 16px 40px -20px rgba(0,0,0,0.9); }

  .nav-inner { width: 100%; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; }

  .logo { font-family: var(--font-display); font-weight: 700; font-size: 23px; letter-spacing: -0.01em; white-space: nowrap; transition: font-size 0.25s ease; display: flex; align-items: baseline; gap: 7px; }
  .logo .sub { font-family: var(--font-mono); font-size: 10px; font-weight: 500; color: var(--text-faint); letter-spacing: 0.16em; }
  #mainnav.shrunk .logo { font-size: 19px; }

  .search-wrap { position: relative; justify-self: center; width: 100%; max-width: 640px; }
  .search-console { display: flex; align-items: center; gap: 10px; height: 46px; padding-inline: 16px; background: var(--surface); border: 1px solid var(--hairline-strong); border-radius: 999px; }
  .search-console:focus-within { border-color: var(--signal); box-shadow: 0 0 0 3px var(--signal-dim); }
  .search-console svg { color: var(--text-faint); flex-shrink: 0; }
  .search-console input { all: unset; flex: 1; font-size: 13.5px; color: var(--text); }
  .search-console input::placeholder { color: var(--text-faint); }

  .dropdown-panel { position: absolute; top: calc(100% + 8px); left: 0; right: 0; background: var(--surface-2); border: 1px solid var(--hairline-strong); border-radius: var(--radius-md); box-shadow: 0 28px 60px -20px rgba(0,0,0,0.9); max-height: 340px; overflow-y: auto; z-index: 60; display: none; }
  .dropdown-panel.open { display: block; }
  .dd-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 16px; border-bottom: 1px solid var(--hairline); cursor: pointer; }
  .dd-row:last-child { border-bottom: none; }
  .dd-row:hover { background: rgba(255,255,255,0.03); }
  .dd-row.oos { opacity: 0.5; }
  .dd-row.oos .s-name { text-decoration: line-through; color: var(--text-faint); }
  .dd-row .s-name { font-size: 13.5px; }
  .dd-row .s-sub { font-family: var(--font-mono); font-size: 10.5px; color: var(--text-faint); margin-top: 2px; }
  .dd-empty { padding: 20px 16px; font-size: 13px; color: var(--text-faint); text-align: center; }

  .stock-pill { display: inline-flex; align-items: center; gap: 5px; font-family: var(--font-mono); font-size: 10.5px; font-weight: 600; padding: 3px 8px; border-radius: 999px; white-space: nowrap; }
  .stock-pill.in { color: var(--in-stock); background: var(--in-stock-dim); }
  .stock-pill.out { color: var(--out-stock); background: rgba(85, 86, 92, 0.16); }

  .nav-right { display: flex; align-items: center; gap: 12px; justify-self: end; }

  .brand-wrap { position: relative; }
  .brand-pill { display: flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 999px; font-size: 12px; font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase; border: 1px solid; transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease; }
  .brand-pill.empty { color: #060607; background: var(--signal); border-color: var(--signal); }
  .brand-pill.empty:hover { background: #fff; }
  .brand-pill.active { color: var(--in-stock); background: var(--in-stock-dim); border-color: rgba(16,185,129,0.4); }
  .brand-pill.active:hover { border-color: var(--in-stock); }

  .brand-dropdown { position: absolute; top: calc(100% + 10px); right: 0; width: 300px; background: var(--surface-2); border: 1px solid var(--hairline-strong); border-radius: var(--radius-md); box-shadow: 0 28px 60px -20px rgba(0,0,0,0.9); padding: 16px; z-index: 60; display: none; }
  .brand-dropdown.open { display: block; }
  .brand-dropdown .g-title { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 12px; font-family: var(--font-mono); }
  .brand-dropdown .search-wrap { max-width: none; margin-bottom: 10px; }
  .brand-dropdown .search-console { height: 40px; }
  .brand-dropdown .g-actions { display: flex; align-items: center; justify-content: space-between; margin-top: 4px; }

  select.fit-select, input.fit-select { height: 42px; padding: 0 14px; background: var(--surface); color: var(--text); border: 1px solid var(--hairline-strong); border-radius: var(--radius-sm); font-size: 13px; }

  .dimmer-toggle { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-muted); cursor: pointer; user-select: none; }
  .dimmer-toggle input { accent-color: var(--signal); width: 15px; height: 15px; }

  .hamburger-btn, .mobile-row1, .mobile-row2 { display: none; }

  /* =========================================================
     HERO — oversized cinematic display type + parallax + marquee
  ========================================================= */
  .hero { position: relative; padding-block: 88px 64px; overflow: hidden; text-align: center; border-bottom: 1px solid var(--hairline); }
  .hero-glow { position: absolute; top: -20%; left: 50%; width: 900px; height: 900px; transform: translateX(-50%); background: radial-gradient(circle, rgba(245,245,247,0.07) 0%, rgba(16,185,129,0.05) 35%, transparent 68%); pointer-events: none; z-index: 0; will-change: transform; }
  .hero-rings { position: absolute; top: 6%; right: -8%; width: 640px; height: 640px; z-index: 0; opacity: 0.5; will-change: transform; }
  .hero-inner { position: relative; z-index: 1; max-width: 920px; margin-inline: auto; }

  .hero-status-chip { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--hairline-strong); font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; color: var(--in-stock); margin-bottom: 26px; }
  .hero-status-chip.warn { color: var(--warn); }
  .hero-status-chip .blink-dot { margin-right: 2px; }

  .hero h1 { font-family: var(--font-display); font-weight: 700; font-size: clamp(40px, 6.4vw, 84px); line-height: 0.98; letter-spacing: -0.02em; margin: 0 0 18px; }
  .hero h1 .accent { color: var(--text-faint); }

  .hero-sub { color: var(--text-muted); font-size: 15.5px; max-width: 480px; margin: 0 auto 40px; line-height: 1.6; }

  .hero-marquee { overflow: hidden; white-space: nowrap; margin: 8px 0 44px; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
  .hero-marquee-track { display: inline-flex; gap: 40px; animation: marquee 26s linear infinite; }
  .hero-marquee span { font-family: var(--font-display); font-weight: 600; font-size: 20px; color: var(--text-faint); letter-spacing: 0.01em; }
  .hero-marquee span.hollow { -webkit-text-stroke: 1px var(--hairline-strong); color: transparent; }
  @keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
  @media (prefers-reduced-motion: reduce) { .hero-marquee-track { animation: none; } }

  .brand-search-chain { display: flex; align-items: stretch; justify-content: center; gap: 10px; flex-wrap: wrap; max-width: 620px; margin: 0 auto 20px; }
  .brand-search-chain .search-wrap { max-width: 380px; }
  .brand-search-chain .search-console { height: 52px; border-radius: var(--radius-sm); }
  .brand-search-chain .btn-signal { height: 52px; padding-inline: 26px; }

  .hero-ctas { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 22px; flex-wrap: wrap; }

  .scroll-cue { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-top: 64px; color: var(--text-faint); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; }
  .scroll-cue svg { animation: bob 1.8s ease-in-out infinite; }
  @keyframes bob { 0%, 100% { transform: translateY(0); opacity: 0.5; } 50% { transform: translateY(6px); opacity: 1; } }
  @media (prefers-reduced-motion: reduce) { .scroll-cue svg { animation: none; } }

  /* =========================================================
     BRAND FOCUS STATUS BAR
  ========================================================= */
  #brand-status-bar { padding-block: 13px; text-align: center; font-size: 13px; font-weight: 500; border-bottom: 1px solid var(--hairline); transition: background 0.3s ease, color 0.3s ease; font-family: var(--font-mono); letter-spacing: 0.01em; }
  #brand-status-bar.state-empty { background: var(--warn-dim); color: #f3d38a; }
  #brand-status-bar.state-active { background: var(--in-stock-dim); color: #7bf0c4; }
  #brand-status-bar .count-num { font-weight: 700; }

  /* =========================================================
     STATS BAND
  ========================================================= */
  .stats-section { padding-block: 64px; border-bottom: 1px solid var(--hairline); position: relative; overflow: hidden; }
  .stats-watermark { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-family: var(--font-display); font-weight: 800; font-size: min(30vw, 380px); color: rgba(255,255,255,0.02); white-space: nowrap; z-index: 0; pointer-events: none; will-change: transform; }
  .stats-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
  .stat-num { font-family: var(--font-display); font-weight: 700; font-size: clamp(38px, 5vw, 60px); letter-spacing: -0.01em; }
  .stat-label { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-faint); margin-top: 8px; }

  /* =========================================================
     TRENDING SHOWCASE
  ========================================================= */
  .trending-section { padding-block: 72px; border-bottom: 1px solid var(--hairline); }
  .section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 28px; gap: 16px; flex-wrap: wrap; }
  .section-head h2 { font-family: var(--font-display); font-size: clamp(26px, 3vw, 36px); font-weight: 700; margin: 10px 0 0; letter-spacing: -0.01em; }
  .section-head .head-sub { color: var(--text-muted); font-size: 13.5px; max-width: 380px; margin: 0; }
  .section-head .mode-tag { font-family: var(--font-mono); font-size: 10.5px; color: var(--text-faint); }

  .hscroll { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 10px; scroll-snap-type: x proximity; }
  .hscroll::-webkit-scrollbar { height: 6px; }
  .hscroll::-webkit-scrollbar-thumb { background: var(--hairline-strong); border-radius: 999px; }

  .p-card { position: relative; flex: 0 0 240px; scroll-snap-align: start; background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius-md); padding: 18px; cursor: pointer; transition: border-color 0.25s ease, opacity 0.25s ease, transform 0.25s ease; display: flex; flex-direction: column; gap: 12px; }
  .p-card:hover { border-color: var(--hairline-strong); transform: translateY(-4px); }
  .p-card.oos { opacity: 0.4; }
  .p-card.oos:hover { transform: none; }
  .p-card .p-art { height: 122px; border-radius: var(--radius-sm); background: #0a0a0b; display: grid; place-items: center; border: 1px solid var(--hairline); }
  .p-card .p-art svg { width: 66px; height: 66px; }
  .p-card.oos .p-art svg { filter: grayscale(1); opacity: 0.6; }
  .p-card .p-brand { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.12em; color: var(--text-faint); text-transform: uppercase; }
  .p-card .p-name { font-size: 13.5px; font-weight: 600; line-height: 1.3; }
  .p-card.oos .p-name { color: var(--out-stock); text-decoration: line-through; }
  .p-card .p-foot { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
  .p-card .p-tooltip { position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%); background: #030304; border: 1px solid var(--hairline-strong); border-radius: var(--radius-sm); padding: 8px 12px; font-family: var(--font-mono); font-size: 10.5px; white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity 0.15s ease; z-index: 20; }
  .p-card:hover .p-tooltip { opacity: 1; }

  /* =========================================================
     PROCESS — "How Real-Time Lookup Works"
  ========================================================= */
  .process-section { padding-block: 80px; border-bottom: 1px solid var(--hairline); }
  .process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); border-radius: var(--radius-lg); overflow: hidden; margin-top: 40px; }
  .process-step { background: var(--surface); padding: 34px 26px; transition: background 0.25s ease; }
  .process-step:hover { background: var(--surface-2); }
  .process-step .p-num { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); letter-spacing: 0.1em; }
  .process-step h3 { font-family: var(--font-display); font-size: 19px; font-weight: 700; margin: 18px 0 10px; }
  .process-step p { color: var(--text-muted); font-size: 13px; line-height: 1.6; margin: 0; }

  /* =========================================================
     CATALOG GRID + SIDEBAR
  ========================================================= */
  .catalog-section { padding-block: 72px; border-bottom: 1px solid var(--hairline); }
  .catalog-layout { display: grid; grid-template-columns: 250px 1fr; gap: 36px; align-items: start; }

  .filter-sidebar { position: sticky; top: calc(var(--nav-h) + 20px); display: flex; flex-direction: column; gap: 6px; }
  .filter-sidebar .fs-title { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; color: var(--text-faint); text-transform: uppercase; margin-bottom: 6px; }

  .accordion { border-bottom: 1px solid var(--hairline); }
  .accordion summary { list-style: none; cursor: pointer; padding: 14px 2px; font-size: 13.5px; font-weight: 600; display: flex; align-items: center; justify-content: space-between; }
  .accordion summary::-webkit-details-marker { display: none; }
  .accordion summary .acc-icon { color: var(--text-faint); transition: transform 0.2s ease; font-size: 13px; }
  .accordion[open] summary .acc-icon { transform: rotate(45deg); }
  .accordion .acc-body { padding: 0 2px 14px; display: flex; flex-direction: column; gap: 2px; }
  .acc-body .brand-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 12.5px; color: var(--text-muted); cursor: pointer; padding: 7px 6px; border-radius: 6px; width: 100%; text-align: left; }
  .acc-body .brand-row:hover { color: var(--text); background: rgba(255,255,255,0.03); }
  .acc-body .brand-row.is-active { color: var(--in-stock); background: var(--in-stock-dim); }
  .acc-body .brand-count { font-family: var(--font-mono); font-size: 10.5px; color: var(--text-faint); }

  .grid-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; gap: 12px; flex-wrap: wrap; }
  .grid-toolbar .result-count { font-size: 13px; color: var(--text-muted); }
  .grid-toolbar .result-count strong { color: var(--text); }
  .sync-btn { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--text-muted); border: 1px solid var(--hairline-strong); padding: 7px 14px; border-radius: 999px; text-transform: uppercase; letter-spacing: 0.06em; }
  .sync-btn:hover { color: var(--text); }
  .sync-btn.syncing svg { animation: spin 0.7s linear infinite; }
  @keyframes spin { to { transform: rotate(360deg); } }

  .product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

  .g-card { position: relative; background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius-md); padding: 16px; cursor: pointer; display: flex; flex-direction: column; gap: 10px; transition: border-color 0.25s ease, transform 0.25s ease, opacity 0.25s ease; order: 1; }
  .g-card:hover { border-color: var(--hairline-strong); transform: translateY(-4px); }
  .g-card.oos { opacity: 0.4; order: 2; }
  .g-card.oos:hover { transform: none; }
  .g-card .g-art { height: 128px; border-radius: var(--radius-sm); background: #0a0a0b; border: 1px solid var(--hairline); display: grid; place-items: center; }
  .g-card .g-art svg { width: 76px; height: 76px; }
  .g-card.oos .g-art svg { filter: grayscale(1); }
  .g-card .g-brand { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.12em; color: var(--text-faint); text-transform: uppercase; }
  .g-card .g-name { font-size: 13.5px; font-weight: 600; line-height: 1.35; }
  .g-card.oos .g-name { color: var(--out-stock); text-decoration: line-through; }
  .g-card .g-sku { font-family: var(--font-mono); font-size: 10px; color: var(--text-faint); }
  .g-card .g-foot { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
  .g-card .g-tooltip { position: absolute; top: 10px; right: 10px; background: #030304; border: 1px solid var(--hairline-strong); border-radius: var(--radius-sm); padding: 6px 10px; font-family: var(--font-mono); font-size: 10px; opacity: 0; pointer-events: none; transition: opacity 0.15s ease; z-index: 5; }
  .g-card:hover .g-tooltip { opacity: 1; }

  .grid-empty { grid-column: 1 / -1; padding: 60px 0; text-align: center; color: var(--text-faint); font-size: 13.5px; }

  /* =========================================================
     PRODUCT MODAL
  ========================================================= */
  .modal-backdrop { position: fixed; inset: 0; background: rgba(3, 3, 4, 0.82); backdrop-filter: blur(5px); z-index: 200; display: none; align-items: center; justify-content: center; padding: 24px; }
  .modal-backdrop.open { display: flex; }
  .modal-box { background: var(--surface); border: 1px solid var(--hairline-strong); border-radius: var(--radius-lg); width: 100%; max-width: 860px; max-height: 88vh; overflow-y: auto; box-shadow: 0 50px 120px -30px rgba(0,0,0,0.95); }
  .modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--hairline); position: sticky; top: 0; background: var(--surface); z-index: 2; }
  .modal-head .m-sku { font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); }
  .modal-close { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; color: var(--text-muted); }
  .modal-close:hover { background: var(--surface-2); color: var(--text); }
  .modal-body { display: grid; grid-template-columns: 300px 1fr; gap: 28px; padding: 26px; }
  .modal-art { height: 280px; border-radius: var(--radius-md); background: #0a0a0b; border: 1px solid var(--hairline); display: grid; place-items: center; }
  .modal-art svg { width: 160px; height: 160px; }
  .modal-title { font-family: var(--font-display); font-size: 22px; font-weight: 700; margin: 0 0 6px; letter-spacing: -0.01em; }
  .modal-badges { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
  .fit-badge { display: inline-flex; align-items: center; gap: 7px; padding: 6px 12px; border-radius: 999px; font-family: var(--font-mono); font-size: 11px; font-weight: 600; }
  .fit-badge.yes { color: var(--in-stock); background: var(--in-stock-dim); border: 1px solid rgba(16,185,129,0.4); }
  .fit-badge.unknown { color: var(--text-faint); background: var(--surface-2); border: 1px solid var(--hairline-strong); }
  .modal-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 6px; }
  .modal-loc { font-size: 12.5px; color: var(--text-muted); margin-bottom: 6px; display: flex; align-items: center; gap: 7px; }
  .modal-loc svg { color: var(--signal); flex-shrink: 0; }
  .modal-section-title { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint); margin: 20px 0 10px; }
  .modal-body ul { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-muted); }
  .related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .related-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 9px 12px; border: 1px solid var(--hairline); border-radius: var(--radius-sm); font-size: 12px; cursor: pointer; }
  .related-row:hover { border-color: var(--hairline-strong); background: rgba(255,255,255,0.03); }
  .modal-actions { margin-top: 22px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

  /* =========================================================
     BRAND SELECTOR RIBBON
  ========================================================= */
  .brands-ribbon { height: 112px; position: relative; border-bottom: 1px solid var(--hairline); background: #030304; }
  .brands-track-wrap { height: 100%; overflow-x: auto; scroll-behavior: smooth; scrollbar-width: none; }
  .brands-track-wrap::-webkit-scrollbar { display: none; }
  .brands-track { height: 100%; display: flex; align-items: center; gap: 48px; width: max-content; padding-inline: var(--edge); }
  .brand-mark { font-family: var(--font-display); font-weight: 700; font-size: 24px; letter-spacing: -0.01em; color: var(--text-muted); filter: grayscale(1); opacity: 0.55; white-space: nowrap; transition: opacity 0.25s ease, color 0.25s ease, filter 0.25s ease; cursor: pointer; position: relative; padding: 8px 4px; border-bottom: 2px solid transparent; }
  .brand-mark:hover { opacity: 1; }
  .brand-mark.is-active { opacity: 1; filter: grayscale(0); color: var(--in-stock); border-bottom-color: var(--in-stock); }
  .brand-mark:hover .brand-tip { opacity: 1; }
  .brand-tip { position: absolute; bottom: calc(100% + 10px); left: 50%; transform: translateX(-50%); background: #030304; border: 1px solid var(--hairline-strong); border-radius: var(--radius-sm); padding: 7px 11px; font-family: var(--font-mono); font-size: 10px; color: var(--text-faint); white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity 0.15s ease; }
  .ribbon-arrow { position: absolute; top: 0; height: 100%; width: 56px; display: flex; align-items: center; background: linear-gradient(90deg, #030304 30%, transparent); opacity: 0; transition: opacity 0.2s ease; z-index: 5; }
  .ribbon-arrow.right { right: 0; justify-content: flex-end; background: linear-gradient(270deg, #030304 30%, transparent); }
  .brands-ribbon:hover .ribbon-arrow { opacity: 1; }
  .ribbon-arrow button { width: 34px; height: 34px; border-radius: 50%; background: var(--surface-2); border: 1px solid var(--hairline-strong); display: grid; place-items: center; margin-inline: 10px; }
  .ribbon-arrow button:hover { border-color: var(--signal); }

  /* =========================================================
     FAQ
  ========================================================= */
  .faq-section { padding-block: 80px; border-bottom: 1px solid var(--hairline); }
  .faq-layout { display: grid; grid-template-columns: 320px 1fr; gap: 48px; }
  .faq-aside h2 { font-family: var(--font-display); font-size: clamp(28px, 3.2vw, 38px); font-weight: 700; margin: 10px 0 14px; letter-spacing: -0.01em; }
  .faq-aside p { color: var(--text-muted); font-size: 13.5px; line-height: 1.6; margin: 0 0 22px; }
  .faq-list { display: flex; flex-direction: column; }
  .faq-item { border-bottom: 1px solid var(--hairline); }
  .faq-item summary { list-style: none; cursor: pointer; padding: 20px 4px; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-family: var(--font-display); font-size: 15.5px; font-weight: 600; }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item .f-num { font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); margin-right: 14px; }
  .faq-item .f-icon { color: var(--text-faint); transition: transform 0.25s ease; flex-shrink: 0; }
  .faq-item[open] .f-icon { transform: rotate(45deg); }
  .faq-item .f-body { padding: 0 4px 20px 43px; color: var(--text-muted); font-size: 13.5px; line-height: 1.65; max-width: 560px; }

  /* =========================================================
     CLOSING CTA BAND
  ========================================================= */
  .closer { padding-block: 90px; text-align: center; border-bottom: 1px solid var(--hairline); position: relative; overflow: hidden; }
  .closer h2 { font-family: var(--font-display); font-weight: 700; font-size: clamp(30px, 4.6vw, 56px); letter-spacing: -0.02em; margin: 0 0 16px; }
  .closer p { color: var(--text-muted); font-size: 14.5px; max-width: 440px; margin: 0 auto 32px; line-height: 1.6; }
  .closer-ctas { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }

  /* =========================================================
     FOOTER
  ========================================================= */
  .site-footer { background: #030304; padding-top: 56px; }
  .footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; padding-bottom: 40px; }
  .footer-col h3 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--text-faint); text-transform: uppercase; margin: 0 0 16px; font-weight: 500; }
  .footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
  .footer-col a, .footer-col button { font-size: 13px; color: var(--text-muted); text-align: left; }
  .footer-col a:hover, .footer-col button:hover { color: var(--text); }
  .pulse-line { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--in-stock); font-weight: 600; margin-bottom: 10px; }
  .pulse-line.warn { color: var(--warn); }
  .sync-line { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-faint); margin-bottom: 6px; }
  .cutoff-line { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-muted); margin-bottom: 6px; }
  .clock-line { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-faint); }
  .clock-line strong { color: var(--text-muted); font-weight: 500; }
  .help-phone { font-family: var(--font-mono); font-size: 17px; font-weight: 600; color: var(--text); display: block; margin-bottom: 6px; }
  .help-hours { font-size: 12.5px; color: var(--text-muted); margin-bottom: 10px; }
  .help-disclaimer { font-size: 11px; color: var(--text-faint); line-height: 1.5; }

  .footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 20px; border-top: 1px solid var(--hairline); flex-wrap: wrap; }
  .footer-bottom .legal { font-size: 11.5px; color: var(--text-faint); }
  #clear-cookies-btn { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 600; color: var(--text-muted); border: 1px solid var(--hairline-strong); padding: 8px 14px; border-radius: 999px; }
  #clear-cookies-btn:hover { border-color: var(--signal); color: var(--text); }

  .footer-col summary { list-style: none; cursor: default; pointer-events: none; }
  .footer-col summary::-webkit-details-marker { display: none; }
  .footer-col summary .acc-icon { display: none; }

  /* =========================================================
     TOAST
  ========================================================= */
  #toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--surface-2); border: 1px solid var(--hairline-strong); border-radius: 999px; padding: 12px 22px; font-size: 13px; font-weight: 500; z-index: 300; opacity: 0; pointer-events: none; transition: opacity 0.25s ease, transform 0.25s ease; display: flex; align-items: center; gap: 8px; }
  #toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

  /* =========================================================
     MOBILE DRAWER
  ========================================================= */
  .drawer-backdrop { position: fixed; inset: 0; background: rgba(3,3,4,0.75); z-index: 210; display: none; }
  .drawer-backdrop.open { display: block; }
  .drawer { position: fixed; top: 0; left: 0; bottom: 0; width: 300px; max-width: 84vw; background: var(--surface); z-index: 211; padding: 20px; overflow-y: auto; transform: translateX(-100%); transition: transform 0.25s ease; }
  .drawer.open { transform: translateX(0); }
  .drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }

  /* =========================================================
     RESPONSIVE
  ========================================================= */
  @media (max-width: 1100px) {
    .catalog-layout { grid-template-columns: 1fr; }
    .filter-sidebar { display: none; }
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .faq-layout { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  }

  @media (max-width: 860px) {
    #topbar { display: none; }
    .nav-inner { display: none; }
    .hamburger-btn { display: grid; place-items: center; width: 38px; height: 38px; }
    .mobile-row1 { display: flex; align-items: center; justify-content: space-between; }
    .mobile-logo { font-family: var(--font-display); font-weight: 700; font-size: 17px; }
    .mobile-row2 { display: flex; align-items: center; gap: 8px; }
    .mobile-row2 .search-console { flex: 1; }
    #mainnav { height: auto; padding-block: 12px; }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .modal-body { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 6px; }
    .footer-col { border-bottom: 1px solid var(--hairline); }
    .footer-col summary { cursor: pointer; pointer-events: auto; padding: 14px 0; }
    .footer-col summary .acc-icon { display: block; }
    .footer-col .fcol-body { padding-bottom: 16px; }
    .brand-search-chain { flex-direction: column; align-items: stretch; }
    .brand-search-chain .search-wrap { max-width: none; }
    .process-grid { grid-template-columns: 1fr; }
    .hero-rings { display: none; }
  }

  @media (max-width: 520px) {
    .product-grid { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
  }

  @media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  }