:root {
    /* Brand: Secure Vault palette */
    --ink: #0B1120;        /* Deep Obsidian — canvas */
    --ink-2: #1E293B;      /* Vault Slate — cards/surfaces */
    --ink-3: #253347;      /* Vault Slate lifted — hover states */
    --surface: rgba(30,41,59,0.72);
    --border: #334155;     /* Graphite — 1px borders, no shadows */
    --border-hi: #3d4f66;  /* Graphite lifted */
    --text: #F8FAFC;       /* Crisp Ice — headlines, active data */
    --muted: #94A3B8;      /* Muted Slate — body, labels, hashes */
    --muted-2: #b8c9d9;    /* Muted Slate lifted */

    /* Green — original kept, not replaced */
    --seal: #22e07d;
    --seal-strong: #16c964;
    --seal-soft: #6affb5;
    --seal-rgb: 34, 224, 125;
    --seal-strong-rgb: 22, 201, 100;
    --seal-soft-rgb: 106, 255, 181;
    --seal-dim: rgba(var(--seal-rgb), 0.12);
    --seal-glow: rgba(var(--seal-rgb), 0.45);

    --blue: #5b9cf5;
    --blue-dim: rgba(91,156,245,0.08);
    --max: 1160px;
    --mono: 'JetBrains Mono', ui-monospace, monospace;
    --display: 'Space Grotesk', sans-serif;
    --body: 'Inter', system-ui, sans-serif;
    --r: 18px;
    --r-lg: 26px;
    --shadow: 0 24px 64px rgba(0,0,0,0.5);
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: var(--body);
    background: var(--ink);
    color: var(--text);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }

  .ambient {
    position: fixed; inset: 0; pointer-events: none; z-index: 0;
    background:
      radial-gradient(ellipse 55% 45% at 5% 0%, rgba(var(--seal-rgb), 0.055) 0%, transparent 60%),
      radial-gradient(ellipse 50% 55% at 95% 15%, rgba(91,156,245,0.065) 0%, transparent 55%),
      radial-gradient(ellipse 70% 40% at 50% 105%, rgba(11,17,32,0.9) 0%, transparent 70%);
  }

  .grid-bg {
    position: fixed; inset: 0; pointer-events: none; z-index: 0;
    background-image: radial-gradient(rgba(255,255,255,0.055) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,0.5) 0%, transparent 65%);
  }

  .wrap { position: relative; z-index: 1; }
  .container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
  a { color: inherit; text-decoration: none; }

  /* NAV */
  .nav-shell {
    position: sticky; top: 0; z-index: 100;
    backdrop-filter: blur(20px) saturate(1.4);
    background: rgba(11,17,32,0.82);
    border-bottom: 1px solid var(--border);
  }
  .nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 0; }
  .brand { display: flex; align-items: center; gap: 12px; font-family: var(--display); font-weight: 700; font-size: 1.05rem; letter-spacing: -0.02em; }
  .brand-icon {
    width: 36px; height: 36px; border-radius: 10px;
    background: linear-gradient(135deg, rgba(var(--seal-rgb), 0.2), rgba(var(--seal-rgb), 0.04));
    border: 1px solid rgba(var(--seal-rgb), 0.3);
    display: grid; place-items: center;
  }
  .brand-icon::after {
    content: ''; width: 12px; height: 12px; border-radius: 3px;
    border: 1.5px solid var(--seal); box-shadow: 0 0 12px var(--seal-glow);
  }
  .brand sub { display: block; font-family: var(--body); font-weight: 500; font-size: 0.68rem; color: var(--muted); letter-spacing: 0.14em; text-transform: uppercase; margin-top: 1px; }
  .nav-links { display: flex; align-items: center; gap: 28px; font-size: 0.92rem; color: var(--muted); }
  .nav-links a { transition: color 160ms; }
  .nav-links a:hover { color: var(--text); }
  .nav-actions { display: flex; gap: 10px; }

  .btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 8px; padding: 11px 20px; border-radius: 12px;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    border: 1px solid var(--border-hi); background: rgba(255,255,255,0.04);
    color: var(--text); cursor: pointer;
    transition: transform 170ms ease, border-color 170ms ease, background 170ms ease, box-shadow 170ms ease;
  }
  .btn:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.22); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
  .btn-primary {
    background: linear-gradient(160deg, var(--seal-soft) 0%, var(--seal-strong) 100%);
    border: 1px solid rgba(var(--seal-rgb), 0.9);
    color: #03150b;
    font-weight: 600;
    letter-spacing: 0.01em;
    box-shadow:
      0 4px 18px rgba(var(--seal-strong-rgb), 0.30),
      0 0 0 1px rgba(var(--seal-rgb), 0.22);
  }
  .btn-primary:hover {
    border-color: rgba(var(--seal-rgb), 1);
    box-shadow:
      0 22px 52px rgba(var(--seal-strong-rgb), 0.36),
      0 0 0 1px rgba(var(--seal-rgb), 0.30);
    transform: translateY(-2px) scale(1.01);
  }
  .btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
  .btn-ghost:hover { color: var(--text); background: rgba(255,255,255,0.04); border-color: var(--border); }
  .hamburger { display: none; font-size: 1.2rem; }

  #mobileNav {
    max-height: 0;
    overflow: hidden;
    padding: 0 20px;
    border-top: 1px solid transparent;
    background: rgba(11,17,32,0.97);
    transition: max-height 240ms ease, padding 240ms ease, border-color 240ms ease;
  }

  #mobileNav.open {
    max-height: 420px;
    padding: 12px 20px 16px;
    border-top-color: var(--border);
  }

  /* HERO */
  .hero { padding: 100px 0 80px; overflow: hidden; }
  .hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: start; }
  .hero-copy { min-width: 0; overflow: hidden; }

  .tag-pill {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 7px 14px; border-radius: 999px; font-size: 0.75rem; font-weight: 500;
    letter-spacing: 0.12em; text-transform: uppercase;
    background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.09);
    color: var(--muted-2); margin-bottom: 10px;
  }
  .tag-pill::before {
    content: ''; width: 7px; height: 7px; border-radius: 50%;
    background: var(--seal); box-shadow: 0 0 10px var(--seal-glow);
    animation: breathe 2.4s ease-in-out infinite;
  }
  @keyframes breathe {
    0%, 100% { opacity: 1; box-shadow: 0 0 10px var(--seal-glow); }
    50% { opacity: 0.7; box-shadow: 0 0 20px var(--seal-glow); }
  }

  .hero-ground {
    font-size: 0.75rem;
    padding: 6px 6px;
    font-style: italic;
    margin-bottom: 10px;
    color: color-mix(in srgb, var(--muted-2) 50%, white 25%);
  }

  h1 {
    font-family: var(--display);
    font-size: clamp(4rem, 5vw, 5rem);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -0.04em;
    margin-bottom: 24px;
    overflow-wrap: break-word;
    word-break: break-word;
  }
  
  h1 em {
    font-style: normal;
    background: linear-gradient(135deg, var(--seal-soft) 0%, var(--seal) 50%, var(--seal-strong) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    display: inline; max-width: 100%;
  }
  .hero-lead { font-size: clamp(1rem, 1.4vw, 1.15rem); line-height: 1.4; color: var(--muted-2); max-width: 52ch; margin-bottom: 16px; }
  .hero-sub { font-size: 0.97rem; line-height: 1.55; color: var(--muted); max-width: 54ch; margin-bottom: 24px; }
  .hero-cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 24px; }

  .link-cta { font-size: 0.92rem; color: var(--muted-2); display: inline-flex; align-items: center; gap: 6px; transition: color 160ms; }
  .link-cta:hover { color: var(--text); }
  .link-cta .arrow { transition: transform 160ms; }
  .link-cta:hover .arrow { transform: translateX(3px); }

  .trust-badges { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
  .trust-badge { display: inline-flex; align-items: center; gap: 7px; font-size: 0.82rem; color: color-mix(in srgb, var(--muted-2) 82%, white 18%); }
  .trust-badge::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--seal); opacity: 0.7; }

  /* ── Hero demo column — uses existing .demo-shell CSS, just needs positioning ── */
  .hero-demo-col { min-width: 0; }

  /* Record card */
  .record-card {
    background: linear-gradient(160deg, rgba(17,28,42,0.95), rgba(10,18,30,0.98));
    border: 1px solid color-mix(in srgb, var(--border-hi) 85%, white 15%);
    border-radius: var(--r-lg);
    padding: 22px; box-shadow: var(--shadow); position: relative; overflow: hidden;
  }
  .record-card::before {
    content: ''; position: absolute; top: 0; right: 0;
    width: 220px; height: 220px;
    background: radial-gradient(circle, rgba(91,156,245,0.12), transparent 65%);
    pointer-events: none;
  }
  .card-chrome { display: flex; gap: 6px; margin-bottom: 18px; }
  .chrome-dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,0.13); }
  .record-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
  .record-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); margin-bottom: 4px; }
  .record-title { font-family: var(--display); font-size: 1.05rem; font-weight: 600; letter-spacing: -0.02em; }

  .status-badge {
    display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px;
    border-radius: 999px; background: var(--seal-dim); border: 1px solid rgba(var(--seal-rgb), 0.2);
    color: var(--seal); font-size: 0.82rem; font-weight: 500; letter-spacing: 0.02em;
  }
  .status-badge::before {
    content: ''; width: 7px; height: 7px; border-radius: 50%;
    background: var(--seal); box-shadow: 0 0 10px var(--seal-glow); animation: breathe 2s infinite;
  }

  .metrics-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
  .metric-box { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 12px; padding: 13px; }
  .metric-box .m-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 5px; }
  .metric-box .m-value { font-family: var(--display); font-size: 0.95rem; font-weight: 600; letter-spacing: -0.02em; }
  .metric-box .m-value.green { color: #d7ffe9; }

  .chain { background: rgba(255,255,255,0.025); border: 1px solid var(--border); border-radius: 14px; padding: 16px; position: relative; }
  .chain::before {
    content: ''; position: absolute; top: 26px; bottom: 26px; left: 27px;
    width: 1px; background: linear-gradient(180deg, rgba(91,156,245,0.5), rgba(91,156,245,0.04));
  }
  .chain-row { display: grid; grid-template-columns: 28px 1fr auto; gap: 14px; align-items: center; padding: 9px 0; }
  .chain-dot { width: 11px; height: 11px; border-radius: 50%; margin-left: 17px; z-index: 1; position: relative; background: #8ab8ff; box-shadow: 0 0 0 4px rgba(138,184,255,0.1); }
  .chain-dot.sealed { background: var(--seal); box-shadow: 0 0 0 4px var(--seal-dim), 0 0 16px var(--seal-glow); }
  .chain-info strong { font-size: 0.9rem; display: block; }
  .chain-info span { font-size: 0.8rem; color: var(--muted); }
  .chain-hash { font-family: var(--mono); font-size: 0.72rem; background: rgba(255,255,255,0.04); border: 1px solid var(--border); padding: 5px 9px; border-radius: 8px; color: #aac4e8; }

  /* SECTIONS */
  section { padding: 72px 0; position: relative; }
  .s-label { font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--seal); opacity: 0.8; margin-bottom: 14px; }
  .s-head h2 { font-family: var(--display); font-size: clamp(1.9rem, 3vw, 2.9rem); font-weight: 700; line-height: 1; letter-spacing: -0.04em; margin-bottom: 14px; }
  .s-head p { font-size: 1rem; line-height: 1.6; color: var(--muted); max-width: 54ch; }
  .s-head { margin-bottom: 42px; }
  .s-head-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 28px; margin-bottom: 42px; }

  /* PROBLEM */
  .problem-band { background: rgba(12,20,32,0.5); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
  .problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; }
  .problem-item { background: var(--ink-2); padding: 32px 28px; transition: background 200ms; }
  .problem-item:hover { background: var(--ink-3); }
  .problem-num { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); margin-bottom: 16px; opacity: 0.6; }
  .problem-item h3 { font-family: var(--display); font-size: 1.1rem; font-weight: 600; letter-spacing: -0.03em; margin-bottom: 12px; line-height: 1.15; }
  .problem-item p { font-size: 0.92rem; line-height: 1.58; color: var(--muted); }

  /* HOW IT WORKS */
  .how-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .how-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 30px; backdrop-filter: blur(12px); transition: transform 200ms, border-color 200ms; }
  .how-card:hover { transform: translateY(-3px); border-color: rgba(255,255,255,0.14); }
  .how-card-tag { font-family: var(--mono); font-size: 0.75rem; color: var(--seal); letter-spacing: 0.1em; margin-bottom: 16px; opacity: 0.8; text-transform:uppercase; }
  .how-card h3 { font-family: var(--display); font-size: 1.15rem; font-weight: 600; letter-spacing: -0.03em; margin-bottom: 12px; line-height: 1.1; }
  .how-card p { font-size: 0.93rem; line-height: 1.58; color: var(--muted); margin-bottom: 18px; }
  .how-card ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
  .how-card li { font-size: 0.88rem; color: var(--muted-2); display: flex; align-items: baseline; gap: 10px; }
  .how-card li::before { content: '—'; color: var(--seal); opacity: 0.6; font-family: var(--mono); flex-shrink: 0; }

  /* FNMT */
  .fnmt-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  .fnmt-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 32px; backdrop-filter: blur(12px); }
  .fnmt-card h3 { font-family: var(--display); font-size: 1.25rem; font-weight: 600; letter-spacing: -0.03em; margin-bottom: 14px; }
  .fnmt-card p { font-size: 0.93rem; line-height: 1.6; color: var(--muted); margin-bottom: 18px; }
  .fnmt-card ul { list-style: none; display: flex; flex-direction: column; gap: 9px; margin-bottom: 24px; }
  .fnmt-card li { font-size: 0.88rem; color: var(--muted-2); display: flex; align-items: baseline; gap: 10px; }
  .fnmt-card li::before { content: '—'; color: var(--seal); opacity: 0.6; font-family: var(--mono); flex-shrink: 0; }

  .callout-box { background: rgba(var(--seal-rgb), 0.06); border: 1px solid rgba(var(--seal-rgb), 0.16); border-radius: 14px; padding: 18px 20px; }
  .callout-box strong { display: block; font-size: 0.88rem; color: #cffae4; margin-bottom: 6px; font-weight: 600; }
  .callout-box p { font-size: 0.87rem; color: rgba(176,222,206,0.7); margin: 0; line-height: 1.5; }

  .fnmt-flow { background: linear-gradient(160deg, rgba(17,28,42,0.95), rgba(10,18,30,0.98)); border: 1px solid var(--border-hi); border-radius: var(--r-lg); padding: 26px; box-shadow: var(--shadow); }
  .flow-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
  .flow-label { font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--muted); margin-bottom: 4px; }
  .flow-title { font-family: var(--display); font-size: 1rem; font-weight: 600; letter-spacing: -0.02em; }
  .flow-steps { display: flex; flex-direction: column; gap: 10px; }
  .flow-step { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
  .flow-step-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 6px; }
  .flow-step-hash { font-family: var(--mono); font-size: 0.8rem; color: #aac4e8; }
  .flow-step-desc { font-size: 0.85rem; color: var(--muted); margin-top: 4px; line-height: 1.5; }
  .flow-arrow { text-align: center; color: var(--muted); font-size: 0.8rem; opacity: 0.4; }
  .flow-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
  .flow-metric { background: rgba(255,255,255,0.025); border: 1px solid var(--border); border-radius: 10px; padding: 12px; text-align: center; }
  .flow-metric .fm-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.09em; color: var(--muted); margin-bottom: 5px; }
  .flow-metric .fm-value { font-family: var(--display); font-size: 0.88rem; font-weight: 600; color: #cffae4; }

  /* VERIFICATION */
  .verify-layout { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px; align-items: start; }
  .verify-shell { background: linear-gradient(160deg, rgba(17,28,42,0.95), rgba(10,18,30,0.98)); border: 1px solid var(--border-hi); border-radius: var(--r-lg); padding: 26px; box-shadow: var(--shadow); }
  .verify-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; }
  .mini-label { font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); margin-bottom: 5px; }
  .verify-id { font-family: var(--mono); font-size: 0.82rem; background: rgba(255,255,255,0.04); border: 1px solid var(--border); padding: 10px 14px; border-radius: 10px; color: #aac4e8; margin-bottom: 14px; }
  .verify-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
  .verify-info { background: rgba(255,255,255,0.025); border: 1px solid var(--border); border-radius: 12px; padding: 13px; }
  .verify-info .vi-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 5px; }
  .verify-info .vi-value { font-family: var(--display); font-size: 0.9rem; font-weight: 600; }
  .verify-note { background: rgba(255,255,255,0.025); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
  .verify-note p { font-size: 0.86rem; line-height: 1.55; color: var(--muted); margin: 0; }
  .verify-aside { display: flex; flex-direction: column; gap: 18px; }
  .aside-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 24px; backdrop-filter: blur(12px); }
  .aside-card h3 { font-family: var(--display); font-size: 1rem; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 10px; }
  .aside-card p { font-size: 0.87rem; color: var(--muted); line-height: 1.55; margin-bottom: 14px; }
  .aside-card ul { list-style: none; display: flex; flex-direction: column; gap: 7px; }
  .aside-card li { font-size: 0.85rem; color: var(--muted-2); display: flex; align-items: baseline; gap: 9px; }
  .aside-card li::before { content: '—'; color: var(--seal); opacity: 0.5; font-family: var(--mono); flex-shrink: 0; }
  .quote-line { font-size: 0.88rem; color: #a8ccee; line-height: 1.5; font-style: italic; border-left: 2px solid rgba(var(--seal-rgb), 0.35); padding-left: 14px; margin-top: 16px; }

  /* AUDIENCE */
  .audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .audience-card { background: linear-gradient(160deg, rgba(17,27,40,0.88), rgba(11,18,28,0.94)); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 28px; transition: transform 200ms, border-color 200ms; }
  .audience-card:hover { transform: translateY(-3px); border-color: rgba(255,255,255,0.14); }
  .audience-tag { font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--seal); opacity: 0.75; margin-bottom: 14px; }
  .audience-card h3 { font-family: var(--display); font-size: 1.1rem; font-weight: 600; letter-spacing: -0.03em; margin-bottom: 14px; line-height: 1.15; }
  .audience-card ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
  .audience-card li { font-size: 0.87rem; color: var(--muted-2); display: flex; align-items: baseline; gap: 9px; }
  .audience-card li::before { content: '—'; color: var(--seal); opacity: 0.5; font-family: var(--mono); flex-shrink: 0; }

  .outcome-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 24px; }
  .outcome-box { background: rgba(255,255,255,0.025); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
  .outcome-box .ob-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 8px; }
  .outcome-box .ob-value { font-family: var(--display); font-size: 0.95rem; font-weight: 600; color: #cffae4; }

  /* COMPARISON */
  .comparison-wrap { overflow: hidden; border: 1px solid var(--border); border-radius: var(--r-lg); background: rgba(255,255,255,0.02); }
  table { width: 100%; border-collapse: collapse; }
  thead th { padding: 18px 22px; font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; background: rgba(255,255,255,0.025); text-align: left; border-bottom: 1px solid var(--border); }
  thead th:first-child { color: var(--muted); }
  thead th:last-child { color: var(--seal); }
  tbody td { padding: 17px 22px; border-bottom: 1px solid var(--border); font-size: 0.95rem; }
  tbody tr:last-child td { border-bottom: none; }
  tbody td:first-child { color: var(--muted); }
  tbody td:last-child { color: #d4f8e6; font-weight: 500; }

  /* CTA */
  .cta-section { padding: 60px 0 90px; }
  .cta-box { position: relative; overflow: hidden; background: linear-gradient(160deg, rgba(17,28,42,0.95), rgba(9,16,26,0.98)); border: 1px solid var(--border-hi); border-radius: 32px; padding: 56px 52px; box-shadow: var(--shadow); }
  .cta-box::before { content: ''; position: absolute; bottom: -80px; right: -80px; width: 400px; height: 400px; background: radial-gradient(circle, rgba(var(--seal-rgb), 0.1), transparent 60%); pointer-events: none; }
  .cta-box::after { content: ''; position: absolute; top: -60px; left: 30%; width: 300px; height: 300px; background: radial-gradient(circle, rgba(91,156,245,0.07), transparent 60%); pointer-events: none; }
  .cta-content { position: relative; z-index: 1; max-width: 680px; }
  .cta-box h2 { font-family: var(--display); font-size: clamp(2rem, 4vw, 3.4rem); font-weight: 800; line-height: 0.96; letter-spacing: -0.05em; margin-bottom: 18px; }
  .cta-box p { font-size: 1rem; line-height: 1.6; color: var(--muted); margin-bottom: 32px; max-width: 52ch; }
  .cta-email-form { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
  .email-input { flex: 1; min-width: 220px; background: rgba(255,255,255,0.05); border: 1px solid var(--border-hi); border-radius: 12px; padding: 12px 18px; font-family: var(--body); font-size: 0.94rem; color: var(--text); outline: none; transition: border-color 170ms; }
  .email-input::placeholder { color: var(--muted); }
  .email-input:focus { border-color: rgba(var(--seal-rgb), 0.4); }
  .cta-footnote { font-size: 0.82rem; color: var(--muted); line-height: 1.5; }

  /* FOOTER */
  footer { border-top: 1px solid var(--border); padding: 28px 0 36px; }
  .footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
  .footer-brand { font-family: var(--display); font-size: 0.95rem; font-weight: 600; color: var(--muted-2); }
  .footer-tags { display: flex; flex-wrap: wrap; gap: 16px; font-size: 0.82rem; color: var(--muted); }

  /* LIVE DEMO */
  .demo-section { padding: 72px 0; }

  .demo-shell {
    background: linear-gradient(160deg, rgba(17,28,42,0.95), rgba(10,18,30,0.98));
    border: 1px solid var(--border-hi);
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
  }

  .demo-controls {
    padding: 28px 28px 0;
  }
  .demo-intro { margin-bottom: 16px; }
  .demo-intro-label {
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted);
  }

  .demo-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
  }

  .demo-btn {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 20px;
    border-radius: var(--r);
    border: 1px solid var(--border-hi);
    background: rgba(255,255,255,0.03);
    color: var(--text);
    cursor: pointer;
    text-align: left;
    transition: border-color 180ms, background 180ms, transform 150ms;
    font-family: var(--body);
  }
  .demo-btn:hover { border-color: rgba(255,255,255,0.2); background: rgba(255,255,255,0.06); transform: translateY(-1px); }
  .demo-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

  .demo-btn-valid.active  { border-color: rgba(var(--seal-rgb), 0.5); background: rgba(var(--seal-rgb), 0.06); }
  .demo-btn-tampered.active { border-color: rgba(248,113,113,0.4); background: rgba(248,113,113,0.05); }

  .demo-btn-icon {
    width: 36px; height: 36px; border-radius: 10px; flex-shrink: 0;
    display: grid; place-items: center;
    font-size: 1rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
  }
  .demo-btn-valid .demo-btn-icon  { color: var(--seal); border-color: rgba(var(--seal-rgb), 0.2); background: rgba(var(--seal-rgb), 0.06); }
  .demo-btn-tampered .demo-btn-icon { color: #f87171; border-color: rgba(248,113,113,0.2); background: rgba(248,113,113,0.06); }

  .demo-btn strong { display: block; font-size: 0.92rem; font-weight: 600; margin-bottom: 2px; }
  .demo-btn span span { display: block; font-size: 0.78rem; color: var(--muted); }

  .demo-result {
    border-top: 1px solid var(--border);
    min-height: 260px;
  }

  .demo-idle {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 14px; padding: 56px 20px;
    color: var(--muted);
  }
  .demo-idle-icon { font-size: 2rem; opacity: 0.2; }
  .demo-idle-text { font-size: 0.9rem; text-align: center; }

  .demo-loading {
    display: flex; align-items: center; justify-content: center;
    gap: 14px; padding: 56px 20px;
    color: var(--muted); font-size: 0.9rem;
  }
  .demo-spinner {
    width: 18px; height: 18px; border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.1);
    border-top-color: var(--seal);
    animation: spin 700ms linear infinite;
    flex-shrink: 0;
  }
  @keyframes spin { to { transform: rotate(360deg); } }

  .demo-error {
    display: flex; align-items: center; gap: 14px;
    padding: 28px; color: #f87171;
  }
  .demo-error-icon {
    width: 36px; height: 36px; border-radius: 10px;
    display: grid; place-items: center;
    background: rgba(248,113,113,0.1); border: 1px solid rgba(248,113,113,0.2);
    flex-shrink: 0;
  }
  .demo-error strong { display: block; font-size: 0.92rem; }
  .demo-error span   { font-size: 0.82rem; color: var(--muted); }

  /* Result header */
  .demo-header { padding: 24px 28px; border-bottom: 1px solid var(--border); }
  .demo-header.valid   { background: rgba(var(--seal-rgb), 0.04); }
  .demo-header.invalid { background: rgba(248,113,113,0.04); }

  .demo-verdict { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
  .demo-verdict-icon {
    width: 40px; height: 40px; border-radius: 12px;
    display: grid; place-items: center; font-size: 1.1rem; flex-shrink: 0;
  }
  .valid   .demo-verdict-icon { background: rgba(var(--seal-rgb), 0.12); color: var(--seal); border: 1px solid rgba(var(--seal-rgb), 0.25); }
  .invalid .demo-verdict-icon { background: rgba(248,113,113,0.12); color: #f87171; border: 1px solid rgba(248,113,113,0.25); }
  .demo-verdict-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 3px; }
  .demo-verdict-title { font-family: var(--display); font-size: 1.1rem; font-weight: 700; letter-spacing: -0.02em; }
  .valid   .demo-verdict-title { color: var(--seal); }
  .invalid .demo-verdict-title { color: #f87171; }

  .demo-meta-row {
    display: grid; grid-template-columns: 1fr 1fr;
    background: rgba(255,255,255,0.025); border: 1px solid var(--border);
    border-radius: 10px; overflow: hidden;
  }
  .demo-meta-item {
    display: flex; flex-direction: column; gap: 3px;
    padding: 10px 14px;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  .demo-meta-item:nth-child(2n) { border-right: none; }
  .demo-meta-item:nth-child(3),
  .demo-meta-item:nth-child(4) { border-bottom: none; }
  .dmi-label { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.09em; color: var(--muted); }
  .dmi-value { font-family: var(--display); font-size: 0.84rem; font-weight: 600; }
  .dmi-value.green { color: #cffae4; }
  .dmi-value.muted { color: var(--muted); }

  /* Chain */
  .demo-chain-wrap { padding: 20px 28px; }
  .demo-chain-label {
    font-family: var(--mono); font-size: 0.68rem;
    text-transform: uppercase; letter-spacing: 0.12em;
    color: var(--muted); margin-bottom: 14px;
  }
  .demo-chain { display: flex; flex-direction: column; gap: 0; position: relative; }
  .demo-chain::before {
    content: ''; position: absolute; top: 16px; bottom: 16px; left: 14px;
    width: 1px;
    background: linear-gradient(180deg, rgba(var(--seal-rgb),0.4), rgba(var(--seal-rgb),0.04));
  }

  .demo-chain-row {
    display: grid; grid-template-columns: 30px 1fr;
    gap: 14px; align-items: start;
    padding: 10px 0;
    opacity: 0; transform: translateX(-8px);
  }
  .demo-chain-row.stagger {
    animation: chainReveal 380ms ease forwards;
  }
  @keyframes chainReveal {
    to { opacity: 1; transform: translateX(0); }
  }
  .demo-chain-row.invalid .dcr-body { opacity: 0.95; }

  .dcr-dot {
    width: 11px; height: 11px; border-radius: 50%;
    background: #8ab8ff;
    box-shadow: 0 0 0 3px rgba(138,184,255,0.12);
    margin-left: 9px; margin-top: 5px; z-index: 1; position: relative; flex-shrink: 0;
  }
  .dcr-dot.broken { background: #f87171; box-shadow: 0 0 0 3px rgba(248,113,113,0.15); }
  .dcr-dot.sealed { background: var(--seal); box-shadow: 0 0 0 3px var(--seal-dim), 0 0 12px var(--seal-glow); }

  .dcr-body { padding-bottom: 8px; border-bottom: 1px solid var(--border); }
  .demo-chain-row:last-child .dcr-body { border-bottom: none; }

  .dcr-top { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; flex-wrap: wrap; }
  .dcr-type { font-size: 0.88rem; font-weight: 600; flex: 1; }
  .dcr-time { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); }
  .dcr-status { font-size: 0.75rem; font-weight: 600; padding: 3px 9px; border-radius: 6px; }
  .dcr-status.ok   { background: rgba(var(--seal-rgb), 0.1); color: var(--seal); }
  .dcr-status.fail { background: rgba(248,113,113,0.1); color: #f87171; }

  .dcr-hashes { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
  .dcr-hash-label { font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
  .dcr-hash {
    font-family: var(--mono); font-size: 0.72rem;
    background: rgba(255,255,255,0.04); border: 1px solid var(--border);
    padding: 3px 8px; border-radius: 6px; color: #aac4e8;
  }
  .dcr-hash.tampered { background: rgba(248,113,113,0.08); border-color: rgba(248,113,113,0.2); color: #f87171; }
  .dcr-hash.expected { background: rgba(var(--seal-rgb), 0.06); border-color: rgba(var(--seal-rgb), 0.15); color: #cffae4; }

  /* Tamper note */
  .demo-tamper-note {
    display: flex; gap: 14px; align-items: flex-start;
    margin: 0 28px 20px;
    background: rgba(248,113,113,0.07);
    border: 1px solid rgba(248,113,113,0.2);
    border-radius: 14px; padding: 16px 18px;
  }
  .dtn-icon { font-size: 1rem; color: #f87171; flex-shrink: 0; margin-top: 2px; }
  .demo-tamper-note strong { display: block; font-size: 0.88rem; color: #f87171; margin-bottom: 4px; }
  .demo-tamper-note span   { font-size: 0.82rem; color: var(--muted); line-height: 1.5; }

  /* Seal certified note */
  .demo-seal-note {
    display: flex; gap: 14px; align-items: flex-start;
    margin: 0 28px 20px;
    background: rgba(var(--seal-rgb), 0.06);
    border: 1px solid rgba(var(--seal-rgb), 0.18);
    border-radius: 14px; padding: 16px 18px;
  }
  .dsn-icon { font-size: 1rem; color: var(--seal); flex-shrink: 0; margin-top: 2px; }
  .demo-seal-note strong { display: block; font-size: 0.88rem; color: #cffae4; margin-bottom: 4px; }
  .demo-seal-note span   { font-size: 0.82rem; color: var(--muted); line-height: 1.5; }

  .demo-footnote {
    text-align: center; font-size: 0.82rem; color: var(--muted);
    margin-top: 20px; font-style: italic;
  }

  /* REVEAL */
  .reveal { opacity: 0; transform: translateY(20px); transition: opacity 650ms ease, transform 650ms ease; }
  .reveal.visible { opacity: 1; transform: translateY(0); }

  /* RESPONSIVE */
  @media (max-width: 1020px) {
    .hero-inner, .fnmt-layout, .verify-layout { grid-template-columns: 1fr; }
    .hero-demo-btns { grid-template-columns: 1fr 1fr; }
    .how-grid, .audience-grid { grid-template-columns: 1fr 1fr; }
    .outcome-row { grid-template-columns: repeat(2, 1fr); }
    .problem-grid { grid-template-columns: 1fr; }
  }
  @media (max-width: 760px) {
    .nav-links, .nav-actions { display: none; }
    .hamburger { display: inline-flex; }
    .demo-btns { grid-template-columns: 1fr; }
    .hero-demo-btns { grid-template-columns: 1fr 1fr; }
    .hero-demo-result { min-height: 160px; }
    .hero { padding: 24px 0 56px; }
    .how-grid, .audience-grid { grid-template-columns: 1fr; }
    .metrics-row, .flow-metrics, .verify-meta { grid-template-columns: 1fr 1fr; }
    .outcome-row { grid-template-columns: 1fr 1fr; }
    .cta-box { padding: 36px 28px; }
    .chain-hash { display: none; }
    .chain-row { grid-template-columns: 28px 1fr; }
  }

  @media (max-width: 480px) {
    h1 { font-size: clamp(1.75rem, 12vw, 3.4rem); letter-spacing: -0.025em; line-height: 1.02; }
    .tag-pill { font-size: 0.66rem; letter-spacing: 0.07em; padding: 6px 12px; }
    .hero-lead { font-size: 0.95rem; }
    .record-card .metrics-row { grid-template-columns: 1fr 1fr; }
  }

  @media (max-width: 380px) {
    h1 { font-size: clamp(3rem, 9.5vw, 2rem); }
  }

/* ─── Pricing section ──────────────────────────────────────────────────────── */

.pricing-embed {
  margin: 48px 0 32px;
}

.pricing-embed stripe-pricing-table {
  display: block;
}

.pricing-footnotes {
  max-width: 680px;
  margin: 0 auto;
  padding: 24px 0 0;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pricing-footnotes p {
  font-size: 0.875rem;
  color: var(--muted-2);
  line-height: 1.6;
  margin: 0;
}

.pricing-footnotes strong {
  color: var(--text);
}