:root {
    --ink: #0d0d14;
    --gold: #c9a84c;
    --gold-light: rgba(180,150,80,0.12);
    --gold-dim: #7a6330;
    --gold-line: rgba(180,150,80,0.18);
    --bg: #04040a;
    --bg2: #0a0b14;
    --bg3: #0d0d14;
    --card-bg: #0f0f1a;
    --text: rgba(255,255,255,0.92);
    --text-body: rgba(255,255,255,0.8);
    --text-muted: rgba(255,255,255,0.55);
    --border: rgba(255,255,255,0.08);
    --border-gold: rgba(180,150,80,0.15);
    --radius: 10px;
    --shadow: 0 2px 16px rgba(0,0,0,0.3);
  }
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Noto Sans SC', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 14px;
    min-height: 100vh;
  }

  /* scrollbar */
  ::-webkit-scrollbar { width: 5px; }
  ::-webkit-scrollbar-track { background: transparent; }
  ::-webkit-scrollbar-thumb { background: rgba(180,150,80,0.15); border-radius: 3px; }
  ::-webkit-scrollbar-thumb:hover { background: rgba(180,150,80,0.3); }

  /* ── TOPNAV ── */
  .topnav {
    position: sticky; top: 0; z-index: 200;
    height: 44px;
    background: #0d0d14;
    border-bottom: 1px solid rgba(180,150,80,0.2);
    display: flex; align-items: center;
    padding: 0 24px; gap: 12px;
  }
  .tn-logo { display: flex; align-items: center; gap: 8px; text-decoration: none; }
  .tn-mark {
    width: 24px; height: 24px;
    background: linear-gradient(135deg, var(--gold), #7a6330);
    border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Cinzel', serif;
    font-size: 11px; font-weight: 900; color: #04040a; flex-shrink: 0;
  }
  .tn-name {
    font-family: 'Cinzel', serif;
    font-size: 13px; color: var(--gold); letter-spacing: 2.5px; text-transform: uppercase;
  }
  .tn-div { width: 1px; height: 16px; background: rgba(180,150,80,0.18); }
  .tn-page {
    font-size: 12px; color: var(--text-muted);
    font-family: 'DM Mono', monospace; letter-spacing: 0.5px;
  }
  .tn-back {
    margin-left: auto;
    font-size: 12px; color: var(--text-muted); text-decoration: none;
    font-family: 'DM Mono', monospace;
    display: flex; align-items: center; gap: 5px;
    padding: 5px 12px; border-radius: 6px; border: 1px solid var(--border);
    transition: all 0.2s;
  }
  .tn-back:hover { color: var(--gold); border-color: var(--gold-line); }

  /* ── HERO HEADER ── */
  .page-header {
    background: #04040a;
    color: #fff;
    padding: 56px 24px 44px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(180,150,80,0.15);
  }
  .page-header::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(180,150,80,0.015) 1px, transparent 1px),
      linear-gradient(90deg, rgba(180,150,80,0.015) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 60% 50% at 50% 45%, rgba(0,0,0,0.4) 0%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 45%, rgba(0,0,0,0.4) 0%, transparent 75%);
    pointer-events: none;
  }
  .page-header::after {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse 50% 45% at 50% 44%, rgba(180,150,80,0.04) 0%, transparent 70%);
    pointer-events: none;
  }
  .page-header > * { position: relative; z-index: 1; }
  .header-eyebrow {
    font-family: 'DM Mono', monospace;
    font-size: 12px; letter-spacing: 4px; text-transform: uppercase;
    color: rgba(180,150,80,0.85);
    margin-bottom: 16px;
    display: flex; align-items: center; justify-content: center; gap: 10px;
  }
  .header-eyebrow::before,
  .header-eyebrow::after {
    content: ''; display: inline-block; width: 32px; height: 1px;
    background: rgba(180,150,80,0.3);
  }
  .page-header h1 {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(24px, 4vw, 40px); font-weight: 600;
    margin-bottom: 8px; letter-spacing: 0.08em;
    color: rgba(255,255,255,0.92);
  }
  .page-header h1 em { font-style: normal; color: var(--gold); }
  .page-header .subtitle {
    font-family: 'DM Mono', monospace;
    color: rgba(255,255,255,0.55);
    font-size: 12px; letter-spacing: 2px;
    margin-bottom: 20px;
  }
  .total-badge {
    display: inline-block;
    font-family: 'DM Mono', monospace;
    background: rgba(180,150,80,0.12);
    border: 1px solid rgba(180,150,80,0.25);
    color: var(--gold);
    font-size: 12px;
    font-weight: 500;
    padding: 4px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    letter-spacing: 1px;
  }

  /* ── SEARCH ── */
  .search-wrap {
    max-width: 560px;
    margin: 0 auto;
    position: relative;
  }
  .search-wrap input {
    width: 100%;
    padding: 14px 48px 14px 20px;
    border-radius: 6px;
    border: 1px solid rgba(180,150,80,0.25);
    font-size: 15px;
    font-family: 'Noto Sans SC', sans-serif;
    background: rgba(255,255,255,0.03);
    color: #fff;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    caret-color: var(--gold);
  }
  .search-wrap input::placeholder { color: rgba(255,255,255,0.55); }
  .search-wrap input:focus {
    border-color: rgba(180,150,80,0.5);
    box-shadow: 0 0 0 3px rgba(180,150,80,0.06);
  }
  .search-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(180,150,80,0.4);
    font-size: 1rem;
    pointer-events: none;
  }
  .search-count {
    text-align: center;
    font-size: 12px;
    font-family: 'DM Mono', monospace;
    color: rgba(180,150,80,0.7);
    margin-top: 10px;
    min-height: 18px;
    letter-spacing: 0.5px;
  }

  /* ── CATEGORY PILLS ── */
  .cat-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 14px 20px;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 44px;
    z-index: 90;
  }
  .cat-pill {
    padding: 5px 14px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    transition: all 0.15s;
    white-space: nowrap;
    user-select: none;
    font-family: 'Noto Sans SC', sans-serif;
  }
  .cat-pill:hover { border-color: rgba(180,150,80,0.3); color: var(--gold); }
  .cat-pill.active {
    background: rgba(180,150,80,0.12);
    border-color: rgba(180,150,80,0.35);
    color: var(--gold);
    font-weight: 500;
  }
  .cat-pill .cnt { 
    display: inline-block;
    background: rgba(255,255,255,0.06);
    border-radius: 6px;
    padding: 0 6px;
    font-size: 11px;
    margin-left: 4px;
    font-family: 'DM Mono', monospace;
  }
  .cat-pill.active .cnt { background: rgba(180,150,80,0.2); }

  /* ── MAIN CONTENT ── */
  .main { max-width: 900px; margin: 0 auto; padding: 28px 20px 80px; }

  /* ── CATEGORY GROUP ── */
  .cat-group { margin-bottom: 36px; }
  .cat-group-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gold-line);
    cursor: pointer;
    user-select: none;
  }
  .cat-group-header h2 {
    font-family: 'Noto Serif SC', serif;
    font-size: 16px; font-weight: 600; flex: 1;
    color: var(--text);
  }
  .cat-group-header .cat-cnt {
    background: var(--gold-light);
    color: var(--gold);
    font-size: 11px;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: 6px;
    font-family: 'DM Mono', monospace;
    letter-spacing: 0.3px;
  }
  .cat-group-header .toggle-icon { color: var(--text-muted); font-size: 0.85rem; transition: transform 0.2s; }
  .cat-group-header.collapsed .toggle-icon { transform: rotate(-90deg); }
  .cat-group-body { display: flex; flex-direction: column; gap: 8px; }
  .cat-group-body.collapsed { display: none; }

  /* ── QA CARD ── */
  .qa-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: border-color 0.2s, background 0.2s;
  }
  .qa-card:hover { border-color: rgba(180,150,80,0.15); background: rgba(15,15,26,0.8); }
  .qa-header {
    padding: 14px 16px;
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    gap: 12px;
  }
  .qa-num {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: var(--gold-light);
    color: var(--gold);
    font-size: 11px;
    font-weight: 700;
    font-family: 'DM Mono', monospace;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
  }
  .qa-q {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.6;
    color: var(--text);
  }
  .qa-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    margin-top: 2px;
  }
  .qa-sec-tag {
    font-size: 12px;
    font-family: 'DM Mono', monospace;
    color: var(--text-muted);
    background: rgba(255,255,255,0.04);
    padding: 2px 8px;
    border-radius: 6px;
    white-space: nowrap;
    text-decoration: none;
    transition: all 0.15s;
    border: 1px solid transparent;
  }
  .qa-sec-tag:hover { background: var(--gold-light); color: var(--gold); border-color: rgba(180,150,80,0.2); }
  .qa-chevron { color: var(--text-muted); font-size: 0.8rem; transition: transform 0.2s; }
  .qa-card.open .qa-chevron { transform: rotate(180deg); }
  .qa-answer {
    display: none;
    padding: 0 16px 18px 52px;
    font-size: 13px;
    line-height: 1.85;
    color: var(--text-body);
    border-top: 1px solid var(--border);
    margin-top: 0;
    padding-top: 14px;
  }
  .qa-card.open .qa-answer { display: block; }
  .qa-answer strong { color: var(--text); font-weight: 500; }

  /* highlight search match */
  mark { background: rgba(180,150,80,0.3); color: var(--gold); border-radius: 3px; padding: 0 2px; }

  /* empty state */
  .empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    font-size: 14px;
  }
  .empty-state .icon { font-size: 2.5rem; margin-bottom: 12px; opacity: 0.4; }

  /* back link */
  .back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 12px;
    font-family: 'DM Mono', monospace;
    text-decoration: none;
    margin-bottom: 24px;
    padding: 5px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: all 0.15s;
  }
  .back-link:hover { color: var(--gold); border-color: var(--gold-line); }
  
  /* copy-to-clipboard button */
  .copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-family: 'DM Mono', monospace;
    color: var(--text-muted);
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 2px 8px;
    cursor: pointer;
    transition: all 0.15s;
    margin-left: 6px;
  }
  .copy-btn:hover { border-color: rgba(180,150,80,0.35); color: var(--gold); }
  .copy-btn.copied { border-color: rgba(34,197,94,0.5); color: #4ade80; }

  /* ── FILMED CHECK ── */
  .filmed-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-family: 'DM Mono', monospace;
    color: var(--text-muted);
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 2px 8px;
    cursor: pointer;
    transition: all 0.15s;
    flex-shrink: 0;
  }
  .filmed-btn:hover { border-color: rgba(34,197,94,0.4); color: #4ade80; }
  .filmed-btn.filmed {
    border-color: rgba(34,197,94,0.5);
    color: #04040a;
    background: #22c55e;
  }
  .qa-card.filmed-card {
    opacity: 0.4;
    background: rgba(34,197,94,0.03);
  }
  .qa-card.filmed-card .qa-q {
    text-decoration: line-through;
    color: rgba(255,255,255,0.30);
  }
  /* filmed count badge */
  .filmed-summary {
    text-align: center;
    font-size: 12px;
    font-family: 'DM Mono', monospace;
    color: var(--text-muted);
    padding: 8px 0 0;
    letter-spacing: 0.5px;
  }
  .filmed-summary span { color: #4ade80; font-weight: 600; }

  /* ── FOOTER ── */
  .page-footer {
    border-top: 1px solid var(--border);
    padding: 24px 24px;
    max-width: 900px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px;
  }
  .pf-left { font-size: 12px; color: rgba(255,255,255,0.30); font-family: 'DM Mono', monospace; }
  .pf-right { display: flex; gap: 12px; flex-wrap: wrap; }
  .pf-link {
    font-size: 12px; color: var(--text-muted);
    text-decoration: none; font-family: 'DM Mono', monospace;
    transition: color 0.15s;
  }
  .pf-link:hover { color: var(--gold); }

  /* ── FOOTER DESKTOP BASE ── */
  .footer-logo-mark { display: none; }
  .footer-brand-col { display: contents; }

  /* ═══ SITE FOOTER ═══ */
  .site-footer{background:#04040a;border-top:1px solid rgba(180,150,80,0.08);padding:28px 32px 24px;}
  .footer-inner{max-width:1200px;margin:0 auto;}
  .footer-row1{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
  .footer-brand-group{display:flex;align-items:baseline;gap:12px;}
  .footer-brand{font-family:"Cinzel",serif;font-weight:600;font-size:18px;letter-spacing:6px;text-transform:uppercase;color:rgba(180,150,80,0.65);}
  .footer-sub{font-family:"Noto Serif SC",serif;font-size:12px;color:rgba(255,255,255,0.55);letter-spacing:2px;}
  .footer-meta-inline{display:flex;gap:0;border:1px solid rgba(255,255,255,0.05);}
  .fmi{padding:8px 16px;border-right:1px solid rgba(255,255,255,0.05);display:flex;align-items:baseline;gap:8px;}
  .fmi:last-child{border-right:none;}
  .fmi-label{font-family:"DM Mono",monospace;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:rgba(255,255,255,0.55);}
  .fmi-value{font-family:"DM Mono",monospace;font-size:12px;color:#c9a84c;letter-spacing:0.5px;}
  .footer-row2{padding:14px 0;border-top:1px solid rgba(180,150,80,0.06);border-bottom:1px solid rgba(180,150,80,0.06);margin-bottom:14px;}
  .footer-features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
  .footer-feature{font-family:"DM Mono",monospace;font-size:12px;letter-spacing:0.5px;color:rgba(255,255,255,0.55);padding:4px 0;text-align:center;border-right:1px solid rgba(255,255,255,0.04);}
  .footer-feature:nth-child(4n){border-right:none;}
  .footer-feature:nth-child(n+5){border-top:1px solid rgba(255,255,255,0.03);}
  .footer-row4{display:flex;align-items:center;justify-content:space-between;}
  .fc-left{display:flex;align-items:center;gap:10px;}
  .fc-badge{font-family:"DM Mono",monospace;font-size:11px;letter-spacing:2px;text-transform:uppercase;color:#c9a84c;border:1px solid rgba(180,150,80,0.25);padding:2px 10px;}
  .fc-text{font-size:12px;color:rgba(255,255,255,0.55);letter-spacing:0.3px;}
  .footer-right-info{text-align:right;}
  .fc-version{font-family:"DM Mono",monospace;font-size:12px;color:rgba(255,255,255,0.30);letter-spacing:1px;}
  .footer-copyright{font-family:"DM Mono",monospace;font-size:12px;color:rgba(255,255,255,0.30);letter-spacing:1px;margin-top:2px;}

  /* ── ANIMATIONS ── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .page-header h1 { animation: fadeUp 0.65s ease 0.1s both; }
  .page-header .subtitle { animation: fadeUp 0.65s ease 0.18s both; }
  .total-badge { animation: fadeUp 0.65s ease 0.25s both; }

  @media (max-width: 768px) {
    html,body { overflow-x:hidden !important; max-width:100%; }

    /* ── TOPNAV ── */
    .topnav { padding: 0 12px; gap: 8px; height: 48px; }
    .tn-name { font-size: 11px; letter-spacing: 2px; }
    .tn-page { display: none; }
    .tn-back { font-size: 11px; padding: 6px 12px; gap: 4px; min-height:44px; display:inline-flex; align-items:center; }

    /* ── HERO HEADER ── */
    .page-header { padding: 28px 16px 24px; }
    .header-eyebrow { font-size: 11px; letter-spacing: 3px; margin-bottom: 12px; gap: 8px; }
    .header-eyebrow::before, .header-eyebrow::after { width: 20px; }
    .page-header h1 { margin-bottom: 6px; }
    .page-header .subtitle { font-size: 11px; letter-spacing: 1.5px; margin-bottom: 14px; color: rgba(255,255,255,0.5); }
    .total-badge { font-size: 11px; padding: 3px 12px; margin-bottom: 12px; }
    .filmed-summary { font-size: 11px; padding: 6px 0 0; }

    /* ── SEARCH ── */
    .search-wrap { max-width: 100%; }
    .search-wrap input { padding: 12px 40px 12px 14px; font-size: 16px; color: rgba(255,255,255,0.9); }
    .search-wrap input::placeholder { color: rgba(255,255,255,0.45); }
    .search-icon { right: 14px; color: rgba(180,150,80,0.55); }
    .search-count { font-size: 11px; margin-top: 8px; color: rgba(180,150,80,0.55); }

    /* ── CATEGORY PILLS (horizontal scroll) ── */
    .cat-pills {
      top: 48px; padding: 10px 12px; gap: 6px;
      flex-wrap: nowrap; overflow-x: auto;
      -webkit-overflow-scrolling: touch; scrollbar-width: none;
      mask-image: linear-gradient(90deg, #000 85%, transparent 100%);
      -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent 100%);
      scroll-snap-type: x proximity;
    }
    .cat-pills::-webkit-scrollbar { display: none; }
    .cat-pill { font-size: 11px; padding: 6px 12px; flex-shrink: 0; color: rgba(255,255,255,0.5); min-height:44px; display:inline-flex; align-items:center; scroll-snap-align: start; }
    .cat-pill .cnt { font-size: 11px; }

    /* ── MAIN ── */
    .main { padding: 16px 12px 60px; }
    .back-link { font-size: 11px; padding: 6px 12px; gap: 4px; margin-bottom: 16px; color: rgba(255,255,255,0.5); min-height:44px; display:inline-flex; align-items:center; }

    /* ── CATEGORY GROUP ── */
    .cat-group { margin-bottom: 24px; }
    .cat-group-header { gap: 8px; margin-bottom: 10px; padding-bottom: 10px; min-height: 44px; display: flex; align-items: center; }
    .cat-group-header .cat-cnt { font-size: 11px; padding: 2px 8px; }
    .cat-group-header .toggle-icon { font-size: 11px; }
    .cat-group-body { gap: 6px; }

    /* ── QA CARD ── */
    .qa-header { padding: 12px; flex-wrap: wrap; gap: 8px; }
    .qa-num { width: 22px; height: 22px; font-size: 11px; }
    .qa-q { font-size: 14px; color: rgba(255,255,255,0.82); }
    .qa-meta {
      display: flex; flex-wrap:wrap; width: 100%; padding-left: 0; margin-top: 6px; gap: 4px;
    }
    .qa-sec-tag { font-size: 11px; padding: 4px 8px; color: rgba(255,255,255,0.5); min-height:36px; display:inline-flex; align-items:center; }
    .copy-btn { font-size: 11px; padding: 4px 8px; color: rgba(255,255,255,0.5); min-height:36px; display:inline-flex; align-items:center; }
    .filmed-btn { font-size: 11px; padding: 4px 8px; color: rgba(255,255,255,0.5); min-height:36px; display:inline-flex; align-items:center; }
    .qa-chevron { font-size: 11px; color: rgba(255,255,255,0.5); }
    .qa-answer { padding: 12px 12px 16px; font-size: 15px; color: rgba(255,255,255,0.85); }

    /* ── EMPTY STATE ── */
    .empty-state { padding: 40px 16px; }

    /* ── FOOTER 768px ── */
    .site-footer { padding: 20px 12px max(16px, env(safe-area-inset-bottom)); }
    .footer-logo-mark { display: flex!important; width: 24px; height: 24px; background: linear-gradient(135deg,#c9a84c,#7a6330); border-radius: 6px; align-items: center; justify-content: center; font-size: 10px; font-weight: 900; color: #04040a; flex-shrink: 0; font-family: 'DM Mono',monospace; }
    .footer-brand-col { display: block!important; }
    .footer-brand-group { display: flex; align-items: center; gap: 10px; padding-bottom: 10px; margin-bottom: 12px; border-bottom: 1px solid rgba(180,150,80,0.06); }
    .footer-brand { font-size: 12px!important; letter-spacing: 2.5px!important; }
    .footer-sub { font-size: 9px!important; color: rgba(255,255,255,0.2)!important; letter-spacing: 1px!important; }
    .footer-meta-inline { display: grid!important; grid-template-columns: 1fr 1fr; gap: 6px; border: none!important; }
    .fmi { flex-direction: column!important; align-items: flex-start!important; gap: 2px!important; padding: 6px 8px!important; border-right: none!important; background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.04)!important; border-radius: 4px; }
    .fmi-label { font-size: 8px!important; color: rgba(255,255,255,0.2)!important; }
    .fmi-value { font-size: 11px!important; color: #c9a84c!important; }
    .footer-features-grid { display: flex!important; flex-wrap: wrap; gap: 4px; border: none!important; }
    .footer-feature { font-size: 9px!important; color: rgba(255,255,255,0.25)!important; background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.04)!important; border-radius: 3px; padding: 3px 7px!important; text-align: left; }
    .footer-row2 { padding: 0!important; margin-bottom: 12px!important; border: none!important; }
    .footer-row4 { display: flex; flex-direction: row!important; align-items: center; justify-content: space-between; padding-top: 8px; border-top: 1px solid rgba(255,255,255,0.04); gap: 6px; }
    .fc-left { flex-direction: row!important; align-items: center; gap: 6px; }
    .fc-badge { font-size: 8px; }
    .fc-text { font-size: 8px; color: rgba(255,255,255,0.2); }
    .footer-right-info { text-align: left; }
    .fc-version { font-size: 8px; color: rgba(255,255,255,0.2); }
    .footer-copyright { font-size: 8px; color: rgba(255,255,255,0.2); }
  }

/* ═══ SMALL PHONE (≤500px) ═══ */
@media(max-width:500px){
  .page-header{padding:20px 12px 18px;}
  .page-header h1{font-size:16px;}
  .header-eyebrow{font-size:10px;letter-spacing:2px;}
  .header-eyebrow::before,.header-eyebrow::after{width:14px;}
  .total-badge{font-size:10px;padding:3px 10px;}
  .main{padding:12px 10px 50px;}
  /* Search */
  .search-wrap input{font-size:16px;padding:10px 36px 10px 12px;}
  .search-icon{right:12px;font-size:0.9rem;}
  /* QA */
  .qa-header{padding:10px;}
  .qa-q{font-size:13px;}
  .qa-num{width:20px;height:20px;font-size:10px;}
  .qa-answer{font-size:13px;padding:10px 10px 14px;overflow-wrap:break-word;word-break:break-word;}
  /* Nav */
  .topnav{height:42px;padding:0 10px;}
  .tn-mark{width:20px;height:20px;font-size:9px;}
  .tn-name{font-size:10px;letter-spacing:1.5px;}
  .tn-back{font-size:10px;padding:5px 10px;}
  .cat-pills{top:42px;padding:8px 10px;gap:5px;}
  .cat-pill{font-size:10px;padding:5px 10px;min-height:40px;}
  /* Cat group */
  .cat-group{margin-bottom:20px;}
  .cat-group-header{gap:6px;margin-bottom:8px;padding-bottom:8px;}
  .cat-group-header .cat-cnt{font-size:10px;}
  /* Footer 500px */
  .site-footer{padding:16px 10px max(14px, env(safe-area-inset-bottom));}
  .footer-logo-mark{width:24px;height:24px;font-size:10px;}
  .footer-brand-group{gap:8px;padding-bottom:8px;margin-bottom:10px;}
  .footer-brand{font-size:12px !important;letter-spacing:2.5px !important;}
  .footer-sub{font-size:9px !important;color:rgba(255,255,255,0.2) !important;letter-spacing:1px !important;}
  .footer-meta-inline{gap:5px;}
  .fmi{padding:5px 7px;gap:2px;}
  .fmi-label{font-size:8px !important;color:rgba(255,255,255,0.2) !important;}
  .fmi-value{font-size:10px !important;color:#c9a84c !important;}
  .footer-features-grid{gap:3px;}
  .footer-feature{font-size:8px !important;color:rgba(255,255,255,0.25) !important;padding:3px 6px !important;}
  .footer-row2{margin-bottom:10px !important;}
  .footer-row4{gap:4px;}
  .fc-left{gap:4px;}
  .fc-badge{font-size:8px;color:rgba(255,255,255,0.2);}
  .fc-text{font-size:8px;color:rgba(255,255,255,0.2);}
  .fc-version{font-size:8px;color:rgba(255,255,255,0.2);}
  .footer-copyright{font-size:8px;color:rgba(255,255,255,0.2);}
}
/* ═══ TINY PHONE (≤360px) ═══ */
@media(max-width:360px){
  .page-header{padding:16px 10px 14px;}
  .page-header h1{font-size:14px;}
  .header-eyebrow{font-size:9px;letter-spacing:1.5px;}
  .main{padding:10px 8px 40px;}
  /* Nav */
  .topnav{height:40px;padding:0 8px;}
  .tn-name{font-size:9px;letter-spacing:1px;}
  .tn-mark{width:18px;height:18px;font-size:8px;}
  .tn-back{font-size:9px;padding:4px 8px;}
  .cat-pills{top:40px;padding:6px 8px;gap:4px;}
  .cat-pill{font-size:9px;padding:4px 8px;min-height:36px;}
  /* QA */
  .qa-header{padding:8px;}
  .qa-q{font-size:12px;}
  .qa-num{width:18px;height:18px;font-size:9px;}
  .qa-answer{font-size:12px;padding:8px 8px 12px;}
  .qa-sec-tag{font-size:10px;padding:3px 6px;}
  .copy-btn{font-size:10px;padding:3px 6px;}
  .filmed-btn{font-size:10px;padding:3px 6px;}
  /* Search */
  .search-wrap input{font-size:16px;padding:9px 32px 9px 10px;}
  /* Footer 360px */
  .site-footer{padding:12px 8px 10px;}
  .footer-logo-mark{width:22px;height:22px;font-size:9px;}
  .footer-brand{font-size:11px !important;letter-spacing:2px !important;}
  .footer-sub{font-size:8px !important;color:rgba(255,255,255,0.2) !important;letter-spacing:1px !important;}
  .footer-meta-inline{grid-template-columns:1fr !important;gap:3px;}
  .fmi{padding:4px 6px;gap:1px;}
  .fmi-label{font-size:8px !important;color:rgba(255,255,255,0.2) !important;}
  .fmi-value{font-size:9px !important;color:#c9a84c !important;}
  .footer-features-grid{gap:2px;}
  .footer-feature{font-size:8px !important;color:rgba(255,255,255,0.25) !important;padding:2px 5px !important;border-right:none !important;text-align:left;}
  .footer-feature:nth-child(n+2){border-top:1px solid rgba(255,255,255,0.04);}
  .footer-row2{margin-bottom:8px !important;}
  .footer-row4{flex-direction:column;gap:4px;align-items:flex-start;}
  .fc-left{flex-direction:column;gap:2px;}
  .fc-badge{font-size:8px;color:rgba(255,255,255,0.2);}
  .fc-text{font-size:8px;color:rgba(255,255,255,0.2);}
  .fc-version{font-size:8px;color:rgba(255,255,255,0.2);}
  .footer-copyright{font-size:8px;color:rgba(255,255,255,0.2);}
}
/* ═══ MOBILE INTERACTION ═══ */
@media(max-width:768px){
  /* Eliminate 300ms tap delay */
  html{touch-action:manipulation;-webkit-tap-highlight-color:transparent;}

  /* Active state feedback */
  .qa-card:active{opacity:0.85;}
  .cat-pill:active{opacity:0.7;transform:scale(0.97);}
  .tn-back:active{opacity:0.7;}
  .back-link:active{opacity:0.7;}
  .qa-sec-tag:active{opacity:0.7;}
  .copy-btn:active{opacity:0.7;}
  .filmed-btn:active{opacity:0.7;}
  .cat-group-header:active{opacity:0.85;}

  /* Overscroll behavior */
  html{overscroll-behavior-x:none;}

  /* Momentum scroll */
  .cat-pills{-webkit-overflow-scrolling:touch;scroll-behavior:smooth;}

  /* Long text safety */
  .qa-q,.qa-answer{word-break:break-word;overflow-wrap:break-word;}

  /* Input focus ring */
  .search-wrap input:focus{outline:2px solid rgba(180,150,80,0.3);outline-offset:-2px;}

  /* Text size adjust */
  html{-webkit-text-size-adjust:100%;text-size-adjust:100%;}
}