/* cyrillic-ext */
/* cyrillic */
/* greek */
/* vietnamese */
/* latin-ext */
/* latin */
/* cyrillic-ext */
/* cyrillic */
/* greek */
/* vietnamese */
/* latin-ext */
/* latin */
/* cyrillic-ext */
/* cyrillic */
/* greek */
/* vietnamese */
/* latin-ext */
/* latin */
/* vietnamese */
/* latin-ext */
/* latin */
/* cyrillic-ext */
/* cyrillic */
/* greek-ext */
/* greek */
/* vietnamese */
/* latin-ext */
/* latin */
/* cyrillic-ext */
/* cyrillic */
/* greek-ext */
/* greek */
/* vietnamese */
/* latin-ext */
/* latin */
/* cyrillic-ext */
/* cyrillic */
/* greek-ext */
/* greek */
/* vietnamese */
/* latin-ext */
/* latin */
/* cyrillic-ext */
/* cyrillic */
/* greek-ext */
/* greek */
/* vietnamese */
/* latin-ext */
/* latin */
/* cyrillic-ext */
/* cyrillic */
/* greek-ext */
/* greek */
/* vietnamese */
/* latin-ext */
/* latin */
/* cyrillic-ext */
/* cyrillic */
/* greek-ext */
/* greek */
/* vietnamese */
/* latin-ext */
/* latin */
/* ───── tokens (Slate + Gold dark) ───── */
  :root {
    --bg-0: oklch(0.145 0.003 260);    /* page — near-black neutral */
    --bg-1: oklch(0.180 0.004 260);    /* surface */
    --bg-2: oklch(0.215 0.005 260);    /* card */
    --bg-3: oklch(0.255 0.006 260);    /* card raised */
    --fg-1: oklch(0.965 0.006 250);    /* cool off-white */
    --fg-2: oklch(0.78 0.010 250);     /* secondary */
    --fg-3: oklch(0.62 0.012 250);     /* tertiary / labels */
    --fg-4: oklch(0.46 0.012 250);     /* quiet meta */
    --line: oklch(0.30 0.005 260);
    --line-soft: oklch(0.235 0.005 260);
    --accent:    oklch(0.75 0.135 55);    /* nixie orange */
    --accent-d:  oklch(0.60 0.145 50);    /* deeper, ember */
    --accent-l:  oklch(0.85 0.115 58);    /* hot highlight */
    --accent-bg: oklch(0.24 0.045 55);    /* pill / tint surface */
    --accent-glow: oklch(0.78 0.16 52);   /* glow tint */
    --cool:      oklch(0.86 0.055 215);   /* liquid oxygen pale */
    --cool-d:    oklch(0.66 0.075 215);   /* deeper cool, for borders */
    --cool-bg:   oklch(0.22 0.025 215);   /* cool surface tint */
    --good:      var(--cool);             /* status → cool blue */
    --good:      oklch(0.74 0.12 148);
    --warn:      oklch(0.78 0.10 82);
    --bad:       oklch(0.68 0.15 25);
    --citation:  var(--accent-l);

    --font-sans: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
    --font-display: "Major Mono Display", "OCR A Std", "OCR A Extended", "Courier New", monospace;
    --font-micr: "MICR", "MICR Encoding", "MICR Std", "JetBrains Mono", "Courier New", monospace;

    --rad-sm: 4px;
    --rad: 6px;
    --rad-lg: 10px;
    --shadow-card: 0 1px 0 oklch(1 0 0 / 0.02), 0 8px 24px -16px oklch(0 0 0 / 0.5);

    --maxw: 1200px;
  }

  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    background: var(--bg-0);
    color: var(--fg-1);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    font-feature-settings: "ss01", "cv11";
  }
  ::selection { background: oklch(0.75 0.135 55 / 0.32); color: var(--fg-1); }
  a { color: inherit; text-decoration: none; }

  /* ───── layout primitives ───── */
  .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
  .section { padding: 96px 0; border-bottom: 1px solid var(--line-soft); }
  .section--tight { padding: 64px 0; }
  .eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--fg-3);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    display: inline-block;
  }
  h1, h2, h3, h4 { font-weight: 500; letter-spacing: -0.012em; margin: 0; text-wrap: balance; color: var(--fg-1); }
  h1 {
    font-family: var(--font-display);
    font-size: clamp(30px, 3.6vw, 46px);
    line-height: 1.1;
    letter-spacing: 0;
    font-weight: 400;
    text-transform: lowercase;
  }
  h2 {
    font-family: var(--font-display);
    font-size: clamp(22px, 2.4vw, 30px);
    line-height: 1.2;
    letter-spacing: 0;
    font-weight: 400;
    text-transform: lowercase;
  }
  h3 { font-size: 17px; line-height: 1.35; }
  p { margin: 0; color: var(--fg-2); text-wrap: pretty; }
  .lede { font-size: 17px; line-height: 1.6; color: var(--fg-2); max-width: 58ch; font-weight: 300; }
  .mono { font-family: var(--font-mono); }
  .small { font-size: 13px; }
  .kbd {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 18px; height: 18px; padding: 0 5px;
    font-family: var(--font-mono); font-size: 10.5px;
    color: var(--fg-3);
    background: var(--bg-2);
    border: 1px solid var(--line-soft);
    border-radius: 3px;
  }

  /* ───── nav ───── */
  .nav {
    position: sticky; top: 0; z-index: 100;
    background: oklch(0.145 0.003 260 / 0.80);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line-soft);
  }
  .nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 60px;
  }
  .brand {
    display: flex; align-items: center; gap: 12px;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 15px;
    letter-spacing: 0.08em;
    text-transform: lowercase;
    color: var(--fg-1);
  }
  .brand-mark {
    width: 24px; height: 24px;
    display: inline-flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    color: var(--fg-1);
  }
  .brand-mark svg { width: 100%; height: 100%; display: block; }
  .nav-links { display: flex; gap: 28px; align-items: center; }
  .nav-links a {
    font-size: 14px; color: var(--fg-2); transition: color 150ms ease;
  }
  .nav-links a:hover { color: var(--fg-1); }
  .nav-cta { display: flex; gap: 8px; align-items: center; }

  /* ───── buttons ───── */
  .btn {
    display: inline-flex; align-items: center; gap: 8px;
    height: 34px; padding: 0 14px;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 13.5px; font-weight: 500;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--fg-1);
    cursor: pointer;
    transition: background 150ms ease, border-color 150ms ease, color 150ms ease;
    white-space: nowrap;
  }
  .btn:hover { border-color: var(--fg-4); background: var(--bg-1); }
  .btn--primary {
    background: var(--fg-1);
    color: var(--bg-0);
    border-color: var(--fg-1);
  }
  .btn--primary:hover {
    background: var(--fg-2);
    border-color: var(--fg-2);
  }
  .btn--gold {
    background: transparent;
    color: var(--accent);
    border-color: var(--accent-d);
  }
  .btn--gold:hover {
    color: var(--accent-l);
    border-color: var(--accent);
    background: var(--accent-bg);
  }
  .btn--ghost { border-color: transparent; color: var(--fg-2); }
  .btn--ghost:hover { color: var(--fg-1); background: var(--bg-1); }
  .btn--lg { height: 40px; padding: 0 18px; font-size: 14px; }
  .btn .arrow { display: inline-block; transition: transform 150ms ease; }
  .btn:hover .arrow { transform: translateX(2px); }

  /* ───── hero ───── */
  .hero { padding: 96px 0 112px; position: relative; }
  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 64px;
    align-items: center;
  }
  .hero h1 { font-weight: 400; }
  .hero h1 .accent {
    color: var(--accent);
    font-weight: 400;
    text-shadow: 0 0 22px oklch(0.78 0.16 52 / 0.5), 0 0 6px oklch(0.78 0.16 52 / 0.35);
  }
  .hero-meta {
    display: flex; gap: 6px; align-items: baseline;
    font-family: var(--font-mono); font-size: 12px;
    color: var(--fg-3);
    margin-bottom: 24px;
  }
  .hero-meta .pron { color: var(--fg-2); }
  .hero-actions { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
  .hero-fineprint {
    margin-top: 18px;
    color: var(--fg-3);
    font-size: 13px;
    display: flex; gap: 14px; flex-wrap: wrap;
  }
  .hero-fineprint span { display: inline-flex; gap: 6px; align-items: center; }
  .dot-good { width: 6px; height: 6px; border-radius: 50%; background: var(--cool); box-shadow: 0 0 8px oklch(0.86 0.055 215 / 0.4); }

  /* ───── chat demo (the hero proof) ───── */
  .demo {
    background: var(--bg-1);
    border: 1px solid var(--line);
    border-radius: var(--rad-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    font-size: 14.5px;
  }
  .demo-bar {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--line-soft);
    background: var(--bg-1);
    font-family: var(--font-mono); font-size: 11.5px; color: var(--cool);
  }
  .demo-bar .lights { display: flex; gap: 5px; }
  .demo-bar .lights span { width: 9px; height: 9px; border-radius: 50%; background: var(--bg-3); }
  .demo-bar .crumb { margin-left: auto; }

  .demo-body { padding: 22px 24px 24px; }
  .turn-user { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 22px; }
  .avatar {
    width: 22px; height: 22px; border-radius: 50%;
    background: var(--bg-3); border: 1px solid var(--line);
    flex-shrink: 0;
    font-family: var(--font-mono); font-size: 10px;
    display: flex; align-items: center; justify-content: center;
    color: var(--fg-2);
    margin-top: 2px;
  }
  .avatar.you { background: var(--bg-3); border-color: var(--line); color: var(--fg-2); }
  .turn-user p { color: var(--fg-1); font-size: 15.5px; }

  .workflow-trail {
    display: flex; flex-direction: column; gap: 4px;
    margin: 8px 0 18px 34px;
    font-family: var(--font-mono); font-size: 11.5px;
    color: var(--fg-3);
  }
  .workflow-trail .step { display: flex; align-items: center; gap: 8px; opacity: 0; animation: fadein 400ms ease forwards; }
  .workflow-trail .step:nth-child(1) { animation-delay: 0.2s; }
  .workflow-trail .step:nth-child(2) { animation-delay: 1.0s; }
  .workflow-trail .step:nth-child(3) { animation-delay: 1.8s; }
  .workflow-trail .step.done { color: var(--good); }
  .workflow-trail .step .tick { font-family: var(--font-mono); }
  .workflow-trail .step .live {
    display: inline-block; width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent);
    animation: pulse 1.4s ease-in-out infinite;
  }

  @keyframes fadein { from { opacity: 0; transform: translateY(2px); } to { opacity: 1; transform: none; } }
  @keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 oklch(0.75 0.135 55 / 0.55); }
    50% { opacity: 0.45; box-shadow: 0 0 0 6px oklch(0.75 0.135 55 / 0); }
  }

  .answer { margin-left: 34px; opacity: 0; animation: fadein 500ms ease forwards 2.4s; }
  .answer h4 {
    font-family: var(--font-sans); font-size: 13px; font-weight: 600;
    color: var(--fg-3); text-transform: uppercase; letter-spacing: 0.06em;
    margin: 14px 0 8px;
  }
  .answer h4:first-child { margin-top: 0; }
  .answer ul { margin: 0; padding: 0; list-style: none; }
  .answer li { padding: 4px 0; color: var(--fg-1); display: flex; gap: 10px; align-items: flex-start; }
  .answer li::before {
    content: "›"; color: var(--fg-4); font-family: var(--font-mono); margin-top: 1px;
  }
  .cite {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 1px 7px; margin: 0 1px;
    border-radius: 3px;
    font-family: var(--font-mono); font-size: 10.5px; font-weight: 400;
    background: var(--cool-bg);
    color: var(--cool);
    border: 1px solid oklch(0.32 0.04 215);
    cursor: pointer;
    transition: color 150ms ease, border-color 150ms ease, background 150ms ease;
    vertical-align: 1px;
    text-wrap: nowrap;
    white-space: nowrap;
  }
  .cite:hover { border-color: var(--cool-d); background: oklch(0.28 0.04 215); }
  .cite::before {
    content: ""; width: 4px; height: 4px; border-radius: 50%;
    background: var(--cool); opacity: 1;
    box-shadow: 0 0 4px var(--cool);
  }

  /* ───── value props 4-up ───── */
  .props {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    margin-top: 64px;
    border-top: 1px solid var(--line-soft);
    border-left: 1px solid var(--line-soft);
  }
  .prop {
    background: transparent;
    padding: 36px 32px;
    display: flex; flex-direction: column; gap: 12px;
    border-right: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
  }
  .prop .num {
    font-family: var(--font-mono); font-size: 10.5px; color: var(--cool);
    letter-spacing: 0.18em; text-transform: uppercase;
    margin-bottom: 18px;
  }
  .prop h3 {
    font-family: var(--font-micr);
    font-size: 14.5px; font-weight: 500;
    color: var(--fg-1);
    letter-spacing: 0.02em;
    line-height: 1.4;
    text-transform: uppercase;
  }
  .prop h3 em { font-style: normal; font-weight: 500; color: var(--fg-1); }
  .prop p { font-size: 14px; line-height: 1.6; color: var(--fg-3); font-weight: 300; max-width: 38ch; }
  .prop-tag {
    margin-top: auto; padding-top: 20px;
    font-family: var(--font-mono); font-size: 10.5px; color: var(--fg-4);
    letter-spacing: 0.04em;
  }

  /* ───── workflows ───── */
  .workflow-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 64px;
    margin-top: 56px;
    border-bottom: 1px solid var(--line-soft);
  }
  .wf {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 18px;
    align-items: start;
    padding: 22px 4px;
    border-top: 1px solid var(--line-soft);
    transition: background 150ms ease;
  }
  .wf:hover { background: var(--bg-1); }
  .wf .ix { font-family: var(--font-mono); font-size: 11px; color: var(--cool); padding-top: 4px; letter-spacing: 0.06em; }
  .wf .label { font-weight: 500; font-size: 15px; color: var(--fg-1); margin-bottom: 6px; letter-spacing: -0.005em; }
  .wf .sample {
    font-family: var(--font-mono); font-size: 12px;
    color: var(--fg-4); line-height: 1.5;
    margin-top: 6px;
  }
  .wf .sample::before { content: "› "; color: var(--cool); }
  .wf .glyph { display: none; }

  /* ───── personas ───── */
  .personas {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 48px;
  }
  .persona {
    border: 1px solid var(--line-soft);
    border-radius: 4px;
    padding: 28px;
    background: transparent;
    display: flex; flex-direction: column; gap: 16px;
  }
  .persona-header { display: flex; align-items: baseline; gap: 14px; }
  .persona-tag {
    font-family: var(--font-mono); font-size: 10.5px;
    color: var(--cool);
    letter-spacing: 0.18em; text-transform: uppercase;
  }
  .persona h3 {
    font-family: var(--font-micr);
    font-size: 15px; font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
  }
  .persona .ctx { color: var(--fg-3); font-size: 14px; line-height: 1.55; font-weight: 300; }
  .persona-query {
    background: transparent;
    border: 0;
    border-left: 2px solid var(--cool-d);
    border-radius: 0;
    padding: 4px 0 4px 14px;
    font-family: var(--font-sans);
    color: var(--fg-1);
    font-size: 14.5px;
    font-style: normal;
    position: relative;
  }
  .persona-query::before {
    content: "ask";
    display: block;
    position: static;
    background: transparent; padding: 0;
    font-family: var(--font-mono); font-size: 10px; color: var(--cool);
    font-style: normal;
    letter-spacing: 0.18em; text-transform: uppercase;
    margin-bottom: 4px;
  }
  .persona-out {
    display: flex; gap: 10px; align-items: flex-start;
    font-size: 13.5px; color: var(--fg-3); font-weight: 300; line-height: 1.55;
  }
  .persona-out .arrow {
    color: var(--fg-4); font-family: var(--font-mono); flex-shrink: 0;
    margin-top: 2px;
  }

  /* ───── how it works ───── */
  .pipeline {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
    margin-top: 56px;
    position: relative;
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
  }
  .stage {
    background: transparent;
    border: 0;
    border-right: 1px solid var(--line-soft);
    border-radius: 0;
    padding: 28px 28px 32px;
    min-height: 240px;
    display: flex; flex-direction: column;
  }
  .stage:last-child { border-right: 0; }
  .stage-head {
    display: flex; align-items: flex-start; justify-content: space-between;
    margin-bottom: 22px;
  }
  .stage-num {
    font-family: var(--font-mono); font-size: 10.5px; color: var(--cool);
    letter-spacing: 0.18em; text-transform: uppercase;
    display: block; margin-bottom: 4px;
  }
  .stage-name { font-weight: 500; font-size: 15px; color: var(--fg-1); }
  .stage-glyph {
    font-family: var(--font-mono); font-size: 10.5px; color: var(--cool);
    padding: 2px 8px;
    background: var(--cool-bg);
    border: 1px solid oklch(0.30 0.035 215);
    border-radius: 3px;
    letter-spacing: 0.02em;
  }
  .stage-body { flex: 1; }
  .corpus-list { display: flex; flex-direction: column; gap: 4px; }
  .corpus-item {
    display: grid; grid-template-columns: 1fr auto; gap: 8px;
    align-items: center;
    padding: 7px 0;
    border-bottom: 1px solid var(--line-soft);
    font-family: var(--font-mono); font-size: 12px;
    color: var(--fg-2);
  }
  .corpus-item:last-child { border-bottom: 0; }
  .corpus-item .count { color: var(--cool); }
  .bar-list { display: flex; flex-direction: column; gap: 6px; }
  .bar-row { display: grid; grid-template-columns: 92px 1fr 32px; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 11.5px; }
  .bar-row .name { color: var(--fg-2); }
  .bar-row .count { color: var(--fg-4); text-align: right; }
  .bar-track {
    height: 6px; background: var(--bg-0); border-radius: 99px; overflow: hidden;
  }
  .bar-fill { height: 100%; background: var(--cool-d); border-radius: 99px; }

  .answer-mini {
    font-family: var(--font-sans); font-size: 13px; color: var(--fg-2); line-height: 1.65;
    background: transparent;
    padding: 0;
    border-radius: 0;
    border: 0;
  }
  .answer-mini strong { color: var(--fg-1); font-weight: 500; }
  .answer-mini .cite { font-size: 10px; }

  /* ───── interop ───── */
  .interop {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin-top: 56px;
    border-top: 1px solid var(--line-soft);
  }
  .interop-card {
    border: 0;
    border-bottom: 1px solid var(--line-soft);
    border-right: 1px solid var(--line-soft);
    border-radius: 0;
    padding: 36px 32px;
    background: transparent;
  }
  .interop-card:last-child { border-right: 0; }
  .interop-card h3 {
    font-family: var(--font-micr);
    margin-bottom: 10px; font-size: 14.5px; font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
  }
  .interop-card p { font-size: 14px; margin-bottom: 22px; color: var(--fg-3); font-weight: 300; line-height: 1.6; }
  .formats {
    display: flex; flex-wrap: wrap; gap: 6px;
  }
  .format {
    font-family: var(--font-mono); font-size: 11.5px;
    padding: 4px 9px;
    border: 1px solid var(--line-soft);
    border-radius: 3px;
    color: var(--fg-3);
    background: transparent;
  }
  .format.primary { color: var(--fg-1); border-color: var(--line); background: transparent; }

  /* ───── privacy ───── */
  .privacy {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
  }
  .key-rows { display: flex; flex-direction: column; gap: 0; margin-top: 32px; border-top: 1px solid var(--line-soft); }
  .key-row {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 24px;
    align-items: start;
    padding: 20px 0;
    border-bottom: 1px solid var(--line-soft);
  }
  .key-row .k {
    font-family: var(--font-mono); font-size: 11px; color: var(--cool);
    padding-top: 2px;
    letter-spacing: 0.16em; text-transform: uppercase;
  }
  .key-row .v { color: var(--fg-1); font-size: 14.5px; line-height: 1.55; font-weight: 400; }
  .key-row .v small { color: var(--fg-3); display: block; margin-top: 4px; font-size: 13px; font-weight: 300; }

  /* ───── pricing ───── */
  .pricing {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 0;
    margin-top: 56px;
    max-width: 820px;
    border: 1px solid var(--line-soft);
  }
  .tier {
    border: 0;
    border-right: 1px solid var(--line-soft);
    border-radius: 0;
    padding: 32px;
    background: transparent;
    display: flex; flex-direction: column;
    position: relative;
  }
  .tier:last-child { border-right: 0; }
  .tier.feature { background: transparent; border-color: var(--line-soft); }
  .tier-name {
    font-family: var(--font-mono); font-size: 10.5px; color: var(--cool);
    letter-spacing: 0.18em; text-transform: uppercase;
    margin-bottom: 14px;
  }
  .tier-price { font-size: 30px; font-weight: 400; letter-spacing: -0.015em; margin-bottom: 6px; color: var(--fg-1); }
  .tier-price small { font-size: 13px; font-weight: 300; color: var(--fg-4); }
  .tier-desc { font-size: 13.5px; color: var(--fg-3); margin-bottom: 24px; min-height: 48px; font-weight: 300; line-height: 1.55; }
  .tier ul { list-style: none; padding: 0; margin: 0 0 28px; display: flex; flex-direction: column; gap: 10px; }
  .tier li { font-size: 13.5px; color: var(--fg-2); display: flex; gap: 12px; align-items: flex-start; font-weight: 300; }
  .tier li::before {
    content: "—"; color: var(--fg-4); font-family: var(--font-mono); font-size: 12px; margin-top: 0;
  }
  .tier li.muted { color: var(--fg-4); }
  .tier li.muted::before { content: "·"; color: var(--fg-4); }
  .tier .btn { margin-top: auto; justify-content: center; }
  .roadmap-tag {
    position: absolute; top: 32px; right: 32px;
    font-family: var(--font-mono); font-size: 10px; color: var(--fg-4);
    padding: 2px 8px; border: 1px solid var(--line-soft); border-radius: 3px;
    letter-spacing: 0.18em; text-transform: uppercase;
  }

  /* ───── final cta ───── */
  .final-cta { text-align: center; padding: 140px 0; border-bottom: 0; }
  .final-cta h2 { max-width: 22ch; margin: 0 auto 18px; font-size: clamp(30px, 4.4vw, 46px); font-weight: 400; letter-spacing: -0.015em; }
  .final-cta h2 em { font-style: normal; font-weight: 400; color: var(--accent); }
  .final-cta p { max-width: 50ch; margin: 0 auto; }
  .final-cta .hero-actions { justify-content: center; margin-top: 36px; }

  /* ───── footer ───── */
  footer { padding: 64px 0 72px; border-top: 1px solid var(--line-soft); }
  .foot {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
  }
  .foot-col h5 {
    font-family: var(--font-mono); font-size: 10.5px;
    color: var(--fg-4); text-transform: uppercase;
    margin: 0 0 16px; font-weight: 500;
    letter-spacing: 0.18em;
  }
  .foot-col a { display: block; padding: 5px 0; color: var(--fg-3); font-size: 13.5px; font-weight: 300; }
  .foot-col a:hover { color: var(--fg-1); }
  .foot-bottom {
    margin-top: 64px; padding-top: 28px;
    border-top: 1px solid var(--line-soft);
    display: flex; justify-content: space-between; align-items: center;
    font-family: var(--font-mono); font-size: 10.5px;
    color: var(--fg-4);
    letter-spacing: 0.06em;
  }
  .foot .brand-blurb {
    font-size: 13.5px; color: var(--fg-3); max-width: 38ch; margin-top: 18px;
    line-height: 1.6; font-weight: 300;
  }

  /* ───── responsive ───── */
  @media (max-width: 980px) {
    .hero-grid { grid-template-columns: 1fr; gap: 48px; }
    .props { grid-template-columns: 1fr; }
    .workflow-list { grid-template-columns: 1fr; }
    .personas { grid-template-columns: 1fr; }
    .pipeline { grid-template-columns: 1fr; }
    .interop { grid-template-columns: 1fr; }
    .privacy { grid-template-columns: 1fr; gap: 32px; }
    .pricing { grid-template-columns: 1fr 1fr; }
    .foot { grid-template-columns: 1fr 1fr; }
    .nav-links { display: none; }
    .section { padding: 72px 0; }
    .problem-grid { grid-template-columns: 1fr; }
    .sources-table { grid-template-columns: 1fr; }
    .not-for-list { grid-template-columns: 1fr; }
    .compare-grid { grid-template-columns: 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
  }
  @media (max-width: 600px) {
    .wrap { padding: 0 20px; }
    .demo-body { padding: 18px; }
    .foot { grid-template-columns: 1fr; gap: 32px; }
    .foot-bottom { flex-direction: column; gap: 8px; align-items: flex-start; }
    .prop { padding: 24px; min-height: 0; }
    .key-row { grid-template-columns: 1fr; gap: 4px; }
    .pricing { grid-template-columns: 1fr; }
  }

  /* ───── problem section ───── */
  .problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-top: 48px;
    border-top: 1px solid var(--line-soft);
  }
  .problem-cell {
    padding: 32px 28px;
    border-right: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
    display: flex; flex-direction: column; gap: 12px;
  }
  .problem-cell:last-child { border-right: 0; }
  .problem-cell .num {
    font-family: var(--font-mono); font-size: 10.5px;
    color: var(--cool); letter-spacing: 0.18em; text-transform: uppercase;
    margin-bottom: 4px;
  }
  .problem-cell h3 {
    font-family: var(--font-micr, "JetBrains Mono", monospace);
    font-size: 13.5px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.35;
    color: var(--fg-1);
  }
  .problem-cell p {
    font-size: 14px; line-height: 1.55; color: var(--fg-2);
  }
  .problem-close {
    padding: 32px 28px 28px;
    border-bottom: 1px solid var(--line-soft);
    grid-column: span 3;
    background: transparent;
  }
  .problem-close p {
    font-size: 16px; line-height: 1.6; color: var(--fg-1); max-width: 80ch;
  }
  .problem-close p em { color: var(--accent); font-style: normal; font-weight: 500; }

  /* ───── voice-first capture table ───── */
  .sources-table {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 0;
    margin-top: 48px;
    border-top: 1px solid var(--line-soft);
  }
  .sources-row {
    display: contents;
  }
  .sources-row .k, .sources-row .v {
    padding: 14px 22px;
    border-bottom: 1px solid var(--line-soft);
  }
  .sources-row .k {
    font-family: var(--font-mono); font-size: 12px;
    color: var(--cool); letter-spacing: 0.04em;
    background: transparent;
    border-right: 1px solid var(--line-soft);
  }
  .sources-row .v {
    font-size: 14px; color: var(--fg-2); line-height: 1.5;
  }
  .sources-row.head .k, .sources-row.head .v {
    font-family: var(--font-mono); font-size: 10px;
    color: var(--cool); letter-spacing: 0.18em; text-transform: uppercase;
    padding-top: 16px; padding-bottom: 16px;
    background: var(--bg-1);
  }
  .sources-row.head .v { color: var(--cool); }

  /* ───── not-for section ───── */
  .not-for-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    margin-top: 48px;
    border-top: 1px solid var(--line-soft);
  }
  .not-for-item {
    padding: 24px 28px;
    border-bottom: 1px solid var(--line-soft);
    border-right: 1px solid var(--line-soft);
    display: grid;
    grid-template-columns: 32px 1fr;
    gap: 18px;
    align-items: start;
  }
  .not-for-item:nth-child(even) { border-right: 0; }
  .not-for-item .x {
    font-family: var(--font-mono); font-size: 14px;
    color: var(--fg-4); padding-top: 3px;
  }
  .not-for-item h3 {
    font-family: var(--font-sans);
    font-size: 15.5px; font-weight: 500;
    color: var(--fg-1); margin-bottom: 6px;
    letter-spacing: -0.005em;
  }
  .not-for-item p {
    font-size: 13.5px; line-height: 1.55; color: var(--fg-3);
  }

  /* ───── compare section ───── */
  .compare-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    margin-top: 48px;
    border-top: 1px solid var(--line-soft);
  }
  .compare-item {
    padding: 24px 28px;
    border-right: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
  }
  .compare-item:nth-child(even) { border-right: 0; }
  .compare-item .vs {
    font-family: var(--font-mono); font-size: 10.5px;
    color: var(--cool); letter-spacing: 0.18em; text-transform: uppercase;
    margin-bottom: 8px;
  }
  .compare-item h3 {
    font-family: var(--font-sans);
    font-size: 16px; font-weight: 500;
    color: var(--fg-1);
    margin-bottom: 10px;
    letter-spacing: -0.005em;
  }
  .compare-item h3 .alt { color: var(--accent); }
  .compare-item p {
    font-size: 13.5px; line-height: 1.6; color: var(--fg-2);
  }
  .compare-item p .accent { color: var(--accent); font-weight: 500; }

  /* ───── faq section ───── */
  .faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 64px;
    margin-top: 48px;
  }
  .faq-item {
    padding: 22px 0;
    border-top: 1px solid var(--line-soft);
  }
  .faq-item summary {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    cursor: pointer;
    list-style: none;
    color: var(--fg-1);
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item .q-num {
    font-family: var(--font-mono); font-size: 10.5px;
    color: var(--cool); letter-spacing: 0.16em;
    flex-shrink: 0; padding-top: 3px;
  }
  .faq-item .q-text {
    font-family: var(--font-sans);
    font-size: 14.5px; font-weight: 500;
    color: var(--fg-1); line-height: 1.5;
    flex: 1;
  }
  .faq-item .q-chev {
    flex-shrink: 0;
    color: var(--fg-4);
    transition: transform 200ms ease;
    padding-top: 6px;
  }
  .faq-item[open] .q-chev { transform: rotate(45deg); color: var(--accent); }
  .faq-item .a {
    margin-top: 10px;
    margin-left: 32px;
    font-size: 13.5px; line-height: 1.65; color: var(--fg-2);
    max-width: 60ch;
  }
  .faq-item .a em { color: var(--accent); font-style: normal; font-weight: 500; }

  /* ───── pricing 4-tier layout ───── */
  .pricing {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-top: 56px;
    max-width: none;
    border: 1px solid var(--line-soft);
  }
  .tier {
    padding: 28px 24px;
    min-height: 460px;
  }
  .tier-price {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: var(--fg-1);
  }
  .tier-price small {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--fg-4);
    letter-spacing: 0.02em;
  }

/* ───── tokens (mirror Aletheia.html — slate + nixie + lox) ───── */
  :root {
    --bg-0: oklch(0.145 0.003 260);
    --bg-1: oklch(0.180 0.004 260);
    --bg-2: oklch(0.215 0.005 260);
    --bg-3: oklch(0.255 0.006 260);
    --fg-1: oklch(0.965 0.006 250);
    --fg-2: oklch(0.78 0.010 250);
    --fg-3: oklch(0.62 0.012 250);
    --fg-4: oklch(0.46 0.012 250);
    --fg-5: oklch(0.36 0.010 250);
    --line: oklch(0.30 0.005 260);
    --line-soft: oklch(0.235 0.005 260);
    --accent:    oklch(0.75 0.135 55);
    --accent-d:  oklch(0.60 0.145 50);
    --accent-l:  oklch(0.85 0.115 58);
    --accent-bg: oklch(0.24 0.045 55);
    --accent-glow: oklch(0.78 0.16 52);
    --cool:        oklch(0.86 0.055 215);
    --cool-d:      oklch(0.66 0.075 215);
    --cool-bg:     oklch(0.22 0.025 215);
    --good:        oklch(0.78 0.135 148);

    --font-sans: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
    --font-display: "Major Mono Display", "OCR A Std", "Courier New", monospace;
    --font-micr: "MICR", "JetBrains Mono", monospace;

    --rad-sm: 4px;
    --rad: 6px;
    --rad-lg: 10px;
    --maxw: 1200px;
  }
  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    background: var(--bg-0);
    color: var(--fg-1);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }
  ::selection { background: oklch(0.75 0.135 55 / 0.32); color: var(--fg-1); }
  a { color: inherit; text-decoration: none; }

  .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

  .eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--cool);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    display: inline-block;
  }
  h1, h2, h3 { font-weight: 500; letter-spacing: -0.012em; margin: 0; text-wrap: balance; color: var(--fg-1); }
  h1 {
    font-family: var(--font-display);
    font-size: clamp(34px, 4.2vw, 52px);
    line-height: 1.08;
    letter-spacing: 0;
    font-weight: 400;
    text-transform: lowercase;
  }
  h2 {
    font-family: var(--font-display);
    font-size: clamp(24px, 2.8vw, 32px);
    line-height: 1.15;
    letter-spacing: 0;
    font-weight: 400;
    text-transform: lowercase;
  }
  h3 { font-size: 17px; line-height: 1.35; }
  p { margin: 0; color: var(--fg-2); text-wrap: pretty; }
  .lede { font-size: 17px; line-height: 1.6; color: var(--fg-2); max-width: 60ch; font-weight: 300; }

  /* ───── nav ───── */
  .nav {
    position: sticky; top: 0; z-index: 100;
    background: oklch(0.145 0.003 260 / 0.80);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line-soft);
  }
  .nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 60px;
  }
  .brand {
    display: flex; align-items: center; gap: 12px;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 15px;
    letter-spacing: 0.08em;
    text-transform: lowercase;
    color: var(--fg-1);
  }
  .brand-mark {
    width: 24px; height: 24px;
    display: flex; align-items: center; justify-content: center;
    color: var(--fg-1);
  }
  .brand-mark svg { width: 100%; height: 100%; display: block; }
  .nav-links { display: flex; gap: 28px; align-items: center; }
  .nav-links a {
    font-size: 14px; color: var(--fg-2); transition: color 150ms ease;
  }
  .nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--fg-1); }
  .nav-links a[aria-current="page"] {
    border-bottom: 1px solid var(--accent);
    padding-bottom: 2px;
  }
  .nav-cta { display: flex; gap: 8px; align-items: center; }

  /* ───── buttons ───── */
  .btn {
    display: inline-flex; align-items: center; gap: 8px;
    height: 34px; padding: 0 14px;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 13.5px; font-weight: 500;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--fg-1);
    cursor: pointer;
    transition: background 150ms ease, border-color 150ms ease, color 150ms ease;
    white-space: nowrap;
  }
  .btn:hover { border-color: var(--fg-4); background: var(--bg-1); }
  .btn--primary {
    background: var(--fg-1);
    color: var(--bg-0);
    border-color: var(--fg-1);
  }
  .btn--primary:hover { background: var(--fg-2); border-color: var(--fg-2); }
  .btn--ghost { border-color: transparent; color: var(--fg-2); }
  .btn--ghost:hover { background: var(--bg-1); color: var(--fg-1); border-color: transparent; }
  .btn--lg { height: 40px; padding: 0 18px; font-size: 14px; }
  .btn .arrow { transition: transform 150ms ease; }
  .btn:hover .arrow { transform: translateX(2px); }

  /* ───── hero ───── */
  .hero { padding: 80px 0 64px; position: relative; }
  .hero::before {
    content: "";
    position: absolute; top: -120px; left: 50%; transform: translateX(-50%);
    width: 700px; height: 500px;
    background: radial-gradient(ellipse, oklch(0.78 0.16 52 / 0.10), transparent 60%);
    pointer-events: none;
    z-index: 0;
  }
  .hero-inner { position: relative; z-index: 1; text-align: center; }
  .hero h1 {
    margin-top: 22px;
    max-width: 18ch;
    margin-left: auto; margin-right: auto;
  }
  .hero h1 .accent {
    color: var(--accent);
    text-shadow: 0 0 22px oklch(0.78 0.16 52 / 0.5), 0 0 6px oklch(0.78 0.16 52 / 0.35);
  }
  .hero .lede {
    margin: 26px auto 0;
    text-align: center;
  }
  .version-row {
    margin-top: 18px;
    display: inline-flex; align-items: center; gap: 12px;
    font-family: var(--font-mono); font-size: 12px;
    color: var(--fg-4);
  }
  .version-row .v {
    color: var(--cool);
    padding: 2px 8px;
    background: var(--cool-bg);
    border: 1px solid oklch(0.32 0.04 215);
    border-radius: 3px;
    letter-spacing: 0.02em;
  }
  .version-row .pulse {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--good);
  }
  .version-row .pulse .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--good);
    box-shadow: 0 0 6px oklch(0.78 0.135 148 / 0.6);
    animation: heartbeat 2.2s ease-in-out infinite;
  }
  @keyframes heartbeat {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.55; }
  }

  /* ───── platform cards ───── */
  .platforms {
    margin: 64px auto 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    max-width: 920px;
    border: 1px solid var(--line-soft);
    background: var(--line-soft);
    border-radius: var(--rad-lg);
    overflow: hidden;
    position: relative; z-index: 1;
  }
  .platform {
    background: var(--bg-0);
    padding: 36px 32px 32px;
    display: flex; flex-direction: column; gap: 14px;
    text-align: center;
    align-items: center;
    transition: background 200ms ease;
    position: relative;
  }
  .platform:hover { background: var(--bg-1); }
  .platform-icon {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    color: var(--fg-1);
    margin-bottom: 4px;
  }
  .platform-icon svg { width: 100%; height: 100%; }
  .platform .label {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--cool);
    letter-spacing: 0.22em; text-transform: uppercase;
    margin-bottom: 2px;
  }
  .platform-name {
    font-family: var(--font-sans);
    font-size: 22px;
    font-weight: 500;
    color: var(--fg-1);
    letter-spacing: -0.005em;
  }
  .platform-arch {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--fg-4);
    letter-spacing: 0.02em;
  }
  .platform-cta {
    display: inline-flex; align-items: center; gap: 10px;
    margin-top: 14px;
    background: var(--accent);
    color: oklch(0.16 0.005 260);
    border: 0;
    border-radius: var(--rad);
    padding: 12px 22px;
    font-family: var(--font-sans);
    font-size: 14.5px;
    font-weight: 600;
    cursor: pointer;
    transition: background 150ms ease;
  }
  .platform-cta:hover {
    background: var(--accent-l);
  }
  .platform-cta .size {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 400;
    color: oklch(0.16 0.005 260 / 0.6);
  }
  .platform-alt {
    display: flex; flex-wrap: wrap; gap: 6px;
    justify-content: center;
    margin-top: 4px;
  }
  .platform-alt a {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--fg-3);
    padding: 4px 8px;
    border: 1px solid var(--line-soft);
    border-radius: 3px;
    transition: color 150ms ease, border-color 150ms ease;
  }
  .platform-alt a:hover { color: var(--cool); border-color: oklch(0.32 0.04 215); }
  .platform-checksum {
    margin-top: 6px;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--fg-5);
    letter-spacing: 0;
  }

  /* "what it does" section */
  .section { padding: 96px 0; border-bottom: 1px solid var(--line-soft); }
  .section-head {
    display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap;
    margin-bottom: 48px;
  }
  .section-head h2 { margin-top: 18px; }
  .section-head .lede-side { max-width: 42ch; color: var(--fg-3); font-size: 14.5px; line-height: 1.6; }

  .features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    border-top: 1px solid var(--line-soft);
    border-left: 1px solid var(--line-soft);
  }
  .feature {
    padding: 32px 28px;
    border-right: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
    display: flex; flex-direction: column; gap: 10px;
  }
  .feature .num {
    font-family: var(--font-mono); font-size: 10.5px;
    color: var(--cool); letter-spacing: 0.18em; text-transform: uppercase;
    margin-bottom: 8px;
  }
  .feature h3 {
    font-family: var(--font-micr, "JetBrains Mono", monospace);
    font-size: 14px; font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.35;
    color: var(--fg-1);
  }
  .feature p {
    font-size: 14.5px; line-height: 1.55; color: var(--fg-2);
  }

  /* requirements + install */
  .two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border: 1px solid var(--line-soft);
    border-radius: var(--rad-lg);
    overflow: hidden;
  }
  .col {
    padding: 32px;
    background: var(--bg-1);
  }
  .col:first-child { border-right: 1px solid var(--line-soft); }
  .col h3 {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 18px;
  }
  .req-list { display: grid; grid-template-columns: 110px 1fr; gap: 8px 18px; }
  .req-list .k {
    font-family: var(--font-mono); font-size: 11px;
    color: var(--cool); letter-spacing: 0.14em; text-transform: uppercase;
    padding-top: 2px;
  }
  .req-list .v {
    font-size: 13.5px; color: var(--fg-1); line-height: 1.5;
  }
  .req-list .v small {
    display: block; color: var(--fg-3); font-size: 12px;
  }

  .install-steps {
    display: flex; flex-direction: column; gap: 14px;
    counter-reset: install;
  }
  .install-step {
    display: grid; grid-template-columns: 32px 1fr; gap: 14px;
    align-items: start;
  }
  .install-step::before {
    counter-increment: install;
    content: counter(install, decimal-leading-zero);
    font-family: var(--font-mono); font-size: 12px;
    color: var(--cool);
    background: var(--cool-bg);
    border: 1px solid oklch(0.32 0.04 215);
    border-radius: 3px;
    height: 26px;
    display: flex; align-items: center; justify-content: center;
    letter-spacing: 0.02em;
  }
  .install-step .text {
    font-size: 13.5px; color: var(--fg-1); line-height: 1.55;
  }
  .install-step .text code {
    font-family: var(--font-mono); font-size: 12px;
    color: var(--accent-l);
    background: var(--bg-2);
    border: 1px solid var(--line-soft);
    padding: 1px 6px;
    border-radius: 3px;
  }

  /* changelog */
  .changelog {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 24px 32px;
  }
  .changelog .ver {
    font-family: var(--font-mono); font-size: 12px;
    color: var(--cool);
    padding-top: 4px;
    letter-spacing: 0.04em;
  }
  .changelog .ver .date {
    display: block;
    color: var(--fg-5); font-size: 10.5px;
    margin-top: 4px;
    letter-spacing: 0.06em; text-transform: uppercase;
  }
  .changelog .body {
    padding-bottom: 24px;
    border-bottom: 1px dashed var(--line-soft);
  }
  .changelog .body:last-of-type { border-bottom: 0; }
  .changelog .body h4 {
    font-family: var(--font-sans);
    font-size: 15px; font-weight: 500;
    margin: 0 0 10px;
    color: var(--fg-1);
  }
  .changelog .body ul {
    margin: 0; padding: 0; list-style: none;
    display: flex; flex-direction: column; gap: 6px;
  }
  .changelog .body li {
    font-size: 13.5px; color: var(--fg-2);
    display: flex; gap: 10px; line-height: 1.55;
  }
  .changelog .body li::before {
    content: "›"; color: var(--fg-4); font-family: var(--font-mono); flex-shrink: 0;
  }
  .changelog .body .tag {
    display: inline-block;
    font-family: var(--font-mono); font-size: 10.5px;
    color: var(--cool);
    background: var(--cool-bg);
    border: 1px solid oklch(0.32 0.04 215);
    padding: 0 5px;
    border-radius: 2px;
    margin-right: 6px;
    letter-spacing: 0.02em;
  }
  .changelog .body .tag.new { color: var(--good); border-color: oklch(0.42 0.07 148); background: oklch(0.22 0.025 148); }
  .changelog .body .tag.fix { color: var(--accent); border-color: oklch(0.42 0.075 55); background: var(--accent-bg); }

  /* footer */
  footer { padding: 56px 0 64px; }
  .foot {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
  }
  .foot-col h5 {
    font-family: var(--font-mono); font-size: 10.5px;
    color: var(--fg-4); text-transform: uppercase;
    margin: 0 0 16px; font-weight: 500;
    letter-spacing: 0.18em;
  }
  .foot-col a { display: block; padding: 5px 0; color: var(--fg-3); font-size: 13.5px; font-weight: 300; }
  .foot-col a:hover { color: var(--fg-1); }
  .foot-bottom {
    margin-top: 64px; padding-top: 28px;
    border-top: 1px solid var(--line-soft);
    display: flex; justify-content: space-between; align-items: center;
    font-family: var(--font-mono); font-size: 10.5px;
    color: var(--fg-4);
    letter-spacing: 0.06em;
  }
  .foot .brand-blurb {
    font-size: 13.5px; color: var(--fg-3); max-width: 38ch; margin-top: 18px;
    line-height: 1.6; font-weight: 300;
  }

  @media (max-width: 900px) {
    .platforms { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .two-col { grid-template-columns: 1fr; }
    .col:first-child { border-right: 0; border-bottom: 1px solid var(--line-soft); }
    .changelog { grid-template-columns: 1fr; gap: 8px; }
    .changelog .body { padding-bottom: 20px; margin-bottom: 14px; }
    .nav-links { display: none; }
    .foot { grid-template-columns: 1fr 1fr; }
    .section { padding: 72px 0; }
  }
  @media (max-width: 600px) {
    .wrap { padding: 0 20px; }
    .foot { grid-template-columns: 1fr; gap: 32px; }
    .foot-bottom { flex-direction: column; gap: 8px; align-items: flex-start; }
  }