@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:ital,wght@0,400;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;500;600&display=swap');

@layer law, tokens, primitives, compositions, capabilities, surfaces, exceptions, widgets;

/* ============================================================
   LAYER: law — the invariant rules that govern every surface.
   ============================================================ */
@layer law {
  :root {
    --u: 1rem;

    /* Light brutalist foundation. Color reserved for semantic widgets. */
    --surface-root: #ffffff;
    --surface-1: #fafafa;
    --surface-2: #f5f5f5;
    --ink-primary: #000000;
    --ink-secondary: #333333;
    --ink-muted: #666666;
    --ink-dim: #999999;
    --line: #e5e5e5;
    --accent: #000000;
    --accent-soft: rgba(0,0,0,0.06);

    /* Widget-only colors. Never used for chrome. */
    --color-x: #1d9bf0;
    --color-reddit: #ff4500;
    --color-whatsapp: #25d366;
    --color-youtube: #ff0000;
    --color-linkedin: #0a66c2;
    --color-github: #181717;
    --color-get: #22c55e;
    --color-post: #3b82f6;
    --color-patch: #f59e0b;
    --color-delete: #ef4444;
    --color-put: #a855f7;
    --color-model: #10b981;
    --color-api: #2563eb;
    --color-company: #f97316;
    --color-skill: #7c3aed;

    --font-display: 'Source Sans 3', 'Source Sans Pro', ui-sans-serif, system-ui, -apple-system, sans-serif;
    --font-body: 'Source Sans 3', 'Source Sans Pro', ui-sans-serif, system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

    --fs-display: clamp(2.75rem, 5vw, 4.75rem);
    --fs-h1: clamp(2.25rem, 4vw, 3.75rem);
    --fs-h2: clamp(1.75rem, 2.6vw, 2.35rem);
    --fs-h3: clamp(1.25rem, 1.8vw, 1.55rem);
    --fs-lead: clamp(1.2rem, 1.6vw, 1.4rem);
    --fs-body: clamp(1.0625rem, 1vw, 1.1875rem);
    --fs-small: 0.9375rem;
    --fs-eye: 0.8125rem;

    --lh-display: 1.08;
    --lh-head: 1.18;
    --lh-body: 1.7;

    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2rem;
    --space-5: 3rem;
    --space-6: 4.5rem;

    --radius: 6px;
    --measure-copy: 48rem;
    --measure-wide: 80rem;

    color-scheme: light;
  }

  html {
    background: var(--surface-root);
    color: var(--ink-primary);
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: var(--lh-body);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background: var(--surface-root);
    color: var(--ink-primary);
  }

  ::selection { background: #e5e5e5; color: #000000; }

  * { box-sizing: border-box; }

  h1, h2, h3, h4, .display {
    font-family: var(--font-display);
    font-weight: 700;
    text-transform: none;
    letter-spacing: -0.015em;
    line-height: var(--lh-head);
    margin: 0 0 var(--space-3);
    color: var(--ink-primary);
  }

  h1 { font-size: var(--fs-h1); letter-spacing: -0.025em; max-width: 24ch; }
  h2 { font-size: var(--fs-h2); letter-spacing: -0.015em; }
  h3 { font-size: var(--fs-h3); letter-spacing: -0.01em; }

  p, li { font-family: var(--font-body); }
  code, pre, kbd { font-family: var(--font-mono); }

  a {
    color: var(--ink-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: var(--ink-dim);
  }
  a:hover { text-decoration-color: var(--ink-primary); }

  img { max-width: 100%; height: auto; display: block; }
}

/* ============================================================
   LAYER: primitives — buttons, marks, lines, pills, disclosures.
   ============================================================ */
@layer primitives {
  .ds-mark {
    display: inline-flex;
    color: var(--ink-primary);
  }

  .ds-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--ink-primary);
    border: 1px solid var(--ink-primary);
    border-radius: var(--radius);
    padding: 10px 16px;
    font: 600 13px var(--font-body);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    cursor: pointer;
    text-decoration: none;
    transition: background .12s ease, color .12s ease;
  }
  .ds-btn:hover { text-decoration: none; background: var(--ink-primary); color: var(--surface-root); }
  .ds-btn.ghost { border-color: var(--line); color: var(--ink-muted); }
  .ds-btn.ghost:hover { border-color: var(--ink-primary); color: var(--ink-primary); background: transparent; }

  .ds-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 4px 10px;
    font: 700 10px var(--font-body);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-muted);
    white-space: nowrap;
  }

  .ds-kicker {
    font: 700 11px/1 var(--font-body);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }

  .ds-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-root);
    padding: var(--space-3);
  }

  .ds-rule {
    flex: 1;
    height: 1px;
    background: var(--line);
    min-width: 40px;
  }

  details > summary { cursor: pointer; list-style: none; }
  details > summary::-webkit-details-marker { display: none; }
}

/* ============================================================
   LAYER: compositions — chrome, chapters, cards, feeds.
   ============================================================ */
@layer compositions {
  .wrap {
    width: min(var(--measure-wide), calc(100% - 40px));
    margin: 0 auto;
  }
  .copy {
    max-width: var(--measure-copy);
    margin-left: auto;
    margin-right: auto;
  }

  /* Topbar */
  .ds-topbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--surface-root);
    border-bottom: 1px solid var(--line);
    color: var(--ink-primary);
    font: 600 15px/1 var(--font-body);
  }
  .ds-topbar-inner {
    width: min(var(--measure-wide), calc(100% - 32px));
    min-height: 64px;
    margin: auto;
    display: flex;
    align-items: center;
    gap: var(--space-4);
  }
  .ds-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--ink-primary);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    text-transform: none;
    white-space: nowrap;
  }
  .ds-brand small {
    font: 700 9px/1 var(--font-body);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }
  .ds-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    flex: 1;
  }
  .ds-nav-link {
    color: var(--ink-secondary);
    padding: 10px 12px;
    border-radius: var(--radius);
    white-space: nowrap;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
  }
  .ds-nav-link:hover, .ds-nav-link.active {
    color: var(--ink-primary);
    background: var(--surface-1);
    text-decoration: none;
  }
  .ds-nav-hub { position: relative; }
  .ds-nav-hub > summary {
    list-style: none;
    cursor: pointer;
    color: var(--ink-secondary);
    padding: 10px 12px;
    border-radius: var(--radius);
    white-space: nowrap;
    font-weight: 600;
    text-transform: none;
    font-size: 15px;
    letter-spacing: 0;
  }
  .ds-nav-hub > summary::after { content: '⌄'; font-size: 10px; margin-left: 6px; color: var(--ink-dim); }
  .ds-nav-hub:hover > summary,
  .ds-nav-hub[open] > summary,
  .ds-nav-hub.active > summary { color: var(--ink-primary); }
  .ds-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    width: min(360px, calc(100vw - 32px));
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-root);
    box-shadow: 0 16px 48px rgba(0,0,0,.08);
  }
  .ds-menu-k {
    display: block;
    padding: 2px 6px 10px;
    font: 700 10px/1 var(--font-body);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }
  .ds-menu-item {
    display: grid;
    gap: 3px;
    padding: 10px;
    border-radius: var(--radius);
    color: var(--ink-primary);
    text-decoration: none;
  }
  .ds-menu-item:hover { background: var(--surface-1); text-decoration: none; }
  .ds-menu-item b { font-size: 13px; font-weight: 700; }
  .ds-menu-item span { font-size: 12px; line-height: 1.4; color: var(--ink-muted); }
  .ds-menu-item.machine-link { border: 1px dashed var(--line); margin-top: 6px; }
  .machine-link::after {
    content: 'machine data';
    font: 700 9px/1 var(--font-mono);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-left: 6px;
  }
  .ds-proof {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--ink-primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    white-space: nowrap;
  }
  .ds-proof:hover { text-decoration: underline; text-decoration-color: var(--ink-primary); }
  .ds-proof span { font-size: 14px; }

  /* Footer */
  .ds-foot {
    border-top: 1px solid var(--line);
    background: var(--surface-root);
    color: var(--ink-muted);
    padding: var(--space-5) 0;
    font: 14px/1.65 var(--font-body);
  }
  .ds-foot-inner {
    width: min(72rem, calc(100% - 40px));
    margin: auto;
    display: grid;
    grid-template-columns: 1.7fr 1fr 1fr 1fr;
    gap: var(--space-4);
  }
  .ds-foot a {
    display: block;
    padding: 4px 0;
    color: var(--ink-secondary);
    text-decoration: none;
  }
  .ds-foot a:hover { color: var(--ink-primary); text-decoration: underline; }
  .ds-foot-h, .ds-machine summary {
    display: block;
    margin-bottom: 10px;
    font: 700 10px/1 var(--font-body);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }
  .ds-foot-principle {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 7px 10px;
  }
  .ds-foot-principle b { color: var(--ink-primary); }
  .ds-foot-principle > span:last-child { grid-column: 2; max-width: 35ch; }
  .ds-foot-mark {
    width: 10px;
    height: 10px;
    background: var(--ink-primary);
  }
  .ds-machine summary { cursor: pointer; }
  .ds-machine .machine-link { margin-top: 7px; }
  .machine-url { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-muted); font: 12px/1.5 var(--font-body); user-select: text; }
  .machine-url code, code.machine-url { font: 600 12px/1.5 var(--font-mono); color: var(--ink-secondary); background: var(--surface-1); border: 1px dashed var(--line); border-radius: var(--radius); padding: 1px 6px; }
  .ds-machine .machine-url { display: block; margin-top: 7px; }

  /* Chapter / section rhythm */
  section.chapter {
    padding: var(--space-5) 0;
    border-top: 1px solid var(--line);
  }
  .chapter-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
  }
  .chapter-head h2 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex: 1;
  }
  .chapter-head h2::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--line);
    min-width: 40px;
  }
  .chapter-count {
    font: 700 11px/1 var(--font-body);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }
  .chapter-body { display: grid; gap: var(--space-3); }

  /* Featured / index cards */
  .featured {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-4);
    align-items: end;
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--line);
    text-decoration: none;
    margin-bottom: var(--space-3);
    transition: background .15s;
  }
  .featured:hover { background: var(--surface-1); text-decoration: none; }
  .featured .fnum {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 7vw, 5.5rem);
    line-height: .85;
    font-weight: 700;
    color: var(--ink-dim);
    min-width: 90px;
  }
  .featured .fk {
    font: 700 10px/1 var(--font-body);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-muted);
    display: block;
    margin-bottom: 10px;
  }
  .featured .ft {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.5rem, 2.6vw, 2.2rem);
    line-height: 1.05;
    text-transform: uppercase;
    letter-spacing: 0.01em;
    color: var(--ink-primary);
    margin-bottom: 10px;
    display: block;
  }
  .featured .fm, .idx .im {
    font: 700 10px/1.6 var(--font-body);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }
  .featured .ftags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
  .featured .read {
    display: inline-block;
    margin-top: 12px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-primary);
  }
  .idx {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
  }
  .idx li { background: var(--surface-root); }
  .idx a {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-2);
    align-items: baseline;
    padding: var(--space-3);
    color: var(--ink-primary);
    text-decoration: none;
    height: 100%;
    transition: background .15s;
  }
  .idx a:hover { background: var(--surface-1); text-decoration: none; }
  .idx .in {
    font: 700 10px/1.9 var(--font-body);
    letter-spacing: 0.1em;
    color: var(--ink-muted);
  }
  .idx .it {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    line-height: 1.15;
    text-transform: uppercase;
    letter-spacing: 0.01em;
    color: var(--ink-primary);
  }
  .idx .im { grid-column: 2; }
  .idx .arrow { color: var(--ink-dim); font-size: 13px; transition: color .15s, transform .15s; }
  .idx a:hover .arrow { color: var(--ink-primary); transform: translateX(3px); }
  .feed-note { color: var(--ink-muted); font-size: 14px; }

  /* Capability cards */
  .cap-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-root);
    padding: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    transition: background .15s;
  }
  .cap-card:hover { background: var(--surface-1); }
  .cap-card-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
  .cap-card-key {
    font: 700 10px var(--font-body);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }
  .cap-card-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.35rem;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: 0.01em;
    color: var(--ink-primary);
    margin: 0;
  }
  .cap-card-sum { color: var(--ink-secondary); margin: 0; font-size: .98rem; line-height: 1.55; }
  .cap-card-actions { display: flex; gap: 14px; margin-top: auto; padding-top: var(--space-2); }
  .cap-card-link {
    font: 700 11px var(--font-body);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-primary);
    text-decoration: none;
  }
  .cap-card-link:hover { text-decoration: underline; }

  /* Directory widgets */
  .dir-widget {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-root);
    padding: var(--space-3);
    display: grid;
    gap: 10px;
  }
  .dir-widget-key {
    font: 700 11px var(--font-mono);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }
  .dir-widget-what { color: var(--ink-secondary); font-size: .98rem; line-height: 1.55; }
  .dir-widget-actions { display: flex; gap: 14px; }
  .dir-widget-actions a {
    font: 700 10px var(--font-body);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
  }
  .dir-widget-contract { color: var(--ink-muted); }
  .dir-widget-invoke { color: var(--ink-primary); }

  /* Inspector panels */
  .insp-panel {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-root);
    overflow: hidden;
  }
  .insp-panel summary {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: var(--space-3);
    font: 700 14px var(--font-body);
    color: var(--ink-primary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
  }
  .insp-panel summary::after {
    content: '+';
    margin-left: auto;
    font: 400 18px var(--font-mono);
    color: var(--ink-muted);
  }
  .insp-panel[open] summary::after { content: '−'; }
  .insp-k {
    font: 700 9px var(--font-body);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }
  .insp-meta {
    margin-left: auto;
    font: 700 11px var(--font-mono);
    color: var(--ink-dim);
  }
  .insp-body {
    border-top: 1px solid var(--line);
    padding: var(--space-3);
    color: var(--ink-secondary);
    font-size: .98rem;
    line-height: 1.65;
  }
  .insp-row {
    display: grid;
    grid-template-columns: 8rem 1fr;
    gap: var(--space-2);
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
  }
  .insp-row:last-child { border-bottom: 0; }
  .insp-label { font: 700 10px var(--font-body); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-muted); }
  .insp-value { color: var(--ink-primary); }
  .insp-value a { color: var(--ink-primary); }
}

/* ============================================================
   LAYER: capabilities — evidence rail, social, LLM cards.
   ============================================================ */
@layer capabilities {
  .evidence-rail {
    display: flex;
    gap: var(--space-2);
    overflow-x: auto;
    padding-bottom: var(--space-2);
    scrollbar-width: thin;
    scrollbar-color: var(--ink-dim) var(--surface-1);
  }
  .evidence-rail::-webkit-scrollbar { height: 5px; }
  .evidence-rail::-webkit-scrollbar-track { background: var(--surface-1); }
  .evidence-rail::-webkit-scrollbar-thumb { background: var(--ink-dim); }

  .platform-card {
    flex: 0 0 280px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-root);
    padding: var(--space-3);
    display: grid;
    gap: 12px;
  }
  .platform-card:hover { background: var(--surface-1); }
  .platform-head { display: flex; align-items: center; gap: 10px; }
  .platform-icon { width: 22px; height: 22px; display: flex; align-items: center; justify-content: center; }
  .platform-name { font: 700 14px var(--font-body); color: var(--ink-primary); }
  .platform-snippet { color: var(--ink-secondary); font-size: .95rem; line-height: 1.55; }
  .platform-meta { font: 700 10px var(--font-body); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); }
  .platform-link { font: 700 12px var(--font-body); color: var(--ink-primary); text-decoration: none; }

  .platform-card.x { border-color: rgba(29,155,240,.35); }
  .platform-card.x .platform-icon { color: var(--color-x); }
  .platform-card.reddit { border-color: rgba(255,69,0,.35); }
  .platform-card.reddit .platform-icon { color: var(--color-reddit); }
  .platform-card.whatsapp { border-color: rgba(37,211,102,.35); }
  .platform-card.whatsapp .platform-icon { color: var(--color-whatsapp); }
  .platform-card.youtube { border-color: rgba(255,0,0,.35); }
  .platform-card.youtube .platform-icon { color: var(--color-youtube); }
  .platform-card.linkedin { border-color: rgba(10,102,194,.35); }
  .platform-card.linkedin .platform-icon { color: var(--color-linkedin); }

  .model-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-root);
    padding: var(--space-3);
    display: grid;
    gap: 12px;
  }
  .model-card:hover { background: var(--surface-1); }
  .model-head { display: flex; align-items: center; gap: 10px; }
  .model-badge {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font: 700 10px var(--font-mono);
    border: 1px solid var(--line);
    color: var(--ink-primary);
  }
  .model-name { font: 700 15px var(--font-body); color: var(--ink-primary); }
  .model-provider { font: 700 11px var(--font-mono); color: var(--ink-muted); }
  .model-sum { color: var(--ink-secondary); font-size: .95rem; line-height: 1.55; margin: 0; }
  .model-meta { display: flex; gap: 8px; flex-wrap: wrap; }

  .method { font: 700 9px var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; padding: 3px 7px; border-radius: var(--radius); }
  .method.get { background: rgba(34,197,94,.1); color: #15803d; }
  .method.post { background: rgba(59,130,246,.1); color: #1d4ed8; }
  .method.patch { background: rgba(245,158,11,.1); color: #b45309; }
  .method.delete { background: rgba(239,68,68,.1); color: #b91c1c; }
  .method.put { background: rgba(168,85,247,.1); color: #7e22ce; }

  .dir-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--space-3); }
}

/* ============================================================
   LAYER: surfaces — homepage, article, governance layouts.
   ============================================================ */
@layer surfaces {
  .hero {
    display: block;
    padding: var(--space-6) 0 var(--space-5);
    border-bottom: 1px solid var(--line);
  }
  .hero-kicker {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
  }
  .hero h1 {
    font-size: var(--fs-display);
    line-height: var(--lh-display);
    margin: 0 0 var(--space-3);
    color: var(--ink-primary);
  }
  .hero .sub {
    font-family: var(--font-body);
    font-size: var(--fs-lead);
    font-weight: 400;
    font-style: normal;
    text-transform: none;
    letter-spacing: 0;
    color: var(--ink-secondary);
    margin-bottom: var(--space-3);
    line-height: 1.55;
  }
  .hero .lede {
    font-size: var(--fs-lead);
    line-height: 1.55;
    color: var(--ink-secondary);
    max-width: var(--measure-copy);
    margin: 0 0 var(--space-4);
  }
  .hero-ctas { display: flex; gap: var(--space-2); flex-wrap: wrap; align-items: center; }

  .badges {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-5);
    padding-top: var(--space-3);
    border-top: 1px solid var(--line);
  }
  .badge { display: flex; flex-direction: column; gap: 6px; }
  .badge .n { font: 700 10px/1 var(--font-body); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); }
  .badge b { font-family: var(--font-display); font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em; color: var(--ink-primary); }
  .badge span { font-size: 14px; line-height: 1.5; color: var(--ink-muted); }

  .hero-visual { display: none; }

  .dispatch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }
  .door {
    position: relative;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-root);
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
  }
  .door .ds-kicker { display: block; }
  .door h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.35rem, 2.2vw, 1.85rem);
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: 0.01em;
    color: var(--ink-primary);
    margin: 0;
  }
  .door p { color: var(--ink-secondary); font-size: 15px; line-height: 1.6; margin: 0; max-width: 52ch; }
  .door .micro { color: var(--ink-muted); font-size: 12px; line-height: 1.5; margin: 0; }
  .door .ds-btn { align-self: flex-start; margin-top: auto; }

  /* Article surface */
  .article-shell { padding: var(--space-5) 0; }
  .article-head {
    max-width: var(--measure-copy);
    margin: 0 auto var(--space-5);
  }
  .article-head .ds-kicker { margin-bottom: var(--space-2); }
  .article-head h1 {
    margin-bottom: var(--space-3);
    text-align: left;
  }
  .article-meta {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    color: var(--ink-muted);
    font: 700 11px var(--font-body);
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
  .article-body {
    max-width: var(--measure-copy);
    margin: 0 auto;
  }
  .article-body h2 {
    margin-top: var(--space-5);
    padding-top: var(--space-4);
    border-top: 1px solid var(--line);
    text-transform: uppercase;
    letter-spacing: 0.03em;
  }
  .article-body p {
    color: var(--ink-secondary);
    margin: 0 0 1.4em;
    font-size: 1.0625rem;
    line-height: 1.75;
  }
  .article-body p + p { margin-top: 0; }
  .article-body strong { color: var(--ink-primary); font-weight: 700; }
  .article-body blockquote {
    margin: var(--space-4) 0;
    padding: var(--space-3) var(--space-4);
    border-left: 3px solid var(--ink-primary);
    background: var(--surface-1);
    font-family: var(--font-body);
    font-size: var(--fs-h3);
    font-weight: 400;
    font-style: italic;
    color: var(--ink-primary);
  }
  .article-body ul, .article-body ol {
    margin: 0 0 var(--space-4) var(--space-3);
    padding-left: var(--space-3);
    color: var(--ink-secondary);
  }
  .article-body li { margin-bottom: var(--space-1); line-height: 1.7; }
  .article-body code {
    background: var(--surface-1);
    padding: 2px 5px;
    border-radius: var(--radius);
    font-size: .9em;
    color: var(--ink-primary);
  }
  .article-body pre {
    background: var(--surface-1);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: var(--space-3);
    overflow-x: auto;
    font-size: .92rem;
    line-height: 1.55;
  }
  .article-body pre code { background: transparent; padding: 0; }

  .reader-opening, .reader-chapter {
    position: relative;
    margin: 0 0 var(--space-5);
  }
  .reader-opening { font-size: var(--fs-lead); line-height: 1.55; color: var(--ink-secondary); }
  .reader-chapter > h2 { margin-bottom: var(--space-3); }
  .chapter-number {
    display: block;
    margin-bottom: 10px;
    font: 700 10px/1 var(--font-mono);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }
  .reader-chapter > ul, .reader-chapter > ol {
    list-style: none;
    margin: var(--space-3) 0 !important;
    padding: 0 !important;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 11px;
    counter-reset: law-list;
  }
  .reader-chapter > ul > li, .reader-chapter > ol > li {
    position: relative;
    margin: 0 !important;
    padding: 18px 18px 18px 52px;
    border: 1px solid var(--line);
    background: var(--surface-root);
    line-height: 1.5;
  }
  .reader-chapter > ul > li::before, .reader-chapter > ol > li::before {
    counter-increment: law-list;
    content: counter(law-list, decimal-leading-zero);
    position: absolute;
    left: 16px;
    top: 19px;
    font: 700 10px/1 var(--font-mono);
    color: var(--ink-muted);
  }

  /* Governance surface */
  .governance-shell { padding: var(--space-5) 0; }
  .governance-hero {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
    align-items: center;
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--line);
  }
  .governance-hero h1 { margin-bottom: var(--space-3); }
  .governance-hero p { color: var(--ink-secondary); font-size: var(--fs-lead); line-height: 1.55; max-width: var(--measure-copy); }
  .registry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-3);
  }
  .registry-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-root);
    padding: var(--space-3);
  }
  .registry-card:hover { background: var(--surface-1); }
  .registry-key {
    font: 700 10px var(--font-body);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-bottom: 8px;
  }
  .registry-title { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; line-height: 1.1; text-transform: uppercase; letter-spacing: 0.01em; margin: 0 0 8px; }
  .registry-sum { color: var(--ink-secondary); font-size: .95rem; margin: 0; line-height: 1.55; }

  .legal {
    border-top: 1px solid var(--line);
    padding: var(--space-2) 0 var(--space-4);
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    font: 700 11px/1.6 var(--font-body);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }
  .legal a { color: var(--ink-secondary); text-decoration: none; }
  .legal a:hover { color: var(--ink-primary); text-decoration: underline; }
}

/* ============================================================
   LAYER: exceptions — responsive overrides.
   ============================================================ */
@layer exceptions {
  @media (max-width: 900px) {
    .ds-topbar-inner { min-height: 56px; gap: 10px; }
    .ds-nav { gap: 0; }
    .ds-nav-hub > summary { padding: 9px 8px; }
    .ds-proof { display: none; }
    .ds-foot-inner { grid-template-columns: 1fr 1fr; }
    .reader-chapter > ul, .reader-chapter > ol { grid-template-columns: 1fr; }

    .hero, .governance-hero, .dispatch { grid-template-columns: 1fr; }
    .hero { padding: var(--space-5) 0 var(--space-4); }
    .featured { grid-template-columns: 1fr; gap: var(--space-2); }
    .featured .fnum { font-size: 3.2rem; min-width: 60px; }
    .idx { grid-template-columns: 1fr; }
    .badges { grid-template-columns: 1fr; gap: var(--space-2); }
  }

  @media (max-width: 680px) {
    .ds-topbar { position: relative; }
    .ds-topbar-inner {
      align-items: flex-start;
      padding: 12px 0;
      flex-wrap: wrap;
    }
    .ds-brand { margin-right: auto; }
    .ds-nav {
      order: 3;
      width: 100%;
      display: grid;
      grid-template-columns: 1fr 1fr;
    }
    .ds-menu {
      position: fixed;
      left: 16px;
      right: 16px;
      top: 110px;
      width: auto;
    }
    .ds-foot-inner { grid-template-columns: 1fr; }
    .dir-grid, .registry-grid { grid-template-columns: 1fr; }
  }
}

/* ============================================================
   LAYER: widgets — third-party and dynamic widget overrides.
   ============================================================ */
@layer widgets {
  .widget { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-root); }
}