/* ============================================================
   OSBERT DOCS — design system + layout
   Fonts loaded via index/page HTML <link> tags
   ============================================================ */

/* ── Tokens (Osbert Design System) ────────────────────────── */
:root {
  --warm-cream:       #F5F1E8;
  --charcoal:         #141414;
  --revenue-green:    #1F6B45;

  --card-cream:       #FBF8F2;
  --soft-border:      #D8CFC1;
  --muted-text:       #6B675F;
  --attention-amber:  #C9822B;
  --recovery-red:     #9E2F2F;

  --cream-deep:       #ECE5D5;
  --cream-sunk:       #E4DCC8;
  --charcoal-soft:    #2A2A28;
  --charcoal-12:      rgba(20,20,20,0.12);
  --charcoal-06:      rgba(20,20,20,0.06);

  --green-deep:       #174F33;
  --green-press:      #103A25;
  --green-soft:       #DCE9E1;
  --green-strong-bg:  #C7DCCC;
  --green-tint:       #EAF1EB;
  --green-line:       #B5CFBE;

  --amber-deep:       #A86A1F;
  --amber-soft:       #F4E4C7;
  --amber-tint:       #FBEFD5;
  --amber-line:       #E6CC95;

  --red-deep:         #82211F;
  --red-soft:         #EBCFCC;
  --red-tint:         #F4DEDB;
  --red-line:         #D6A8A3;

  --neutral-soft:     #E7E1D2;
  --neutral-line:     #C9C0AE;

  /* extra trigger colours */
  --blue-text:        #1D4ED8;
  --blue-tint:        #EFF6FF;
  --blue-line:        #BFDBFE;
  --purple-text:      #6D28D9;
  --purple-tint:      #EDE9FE;
  --purple-line:      #C4B5FD;

  --font-display: "Newsreader", "Charter", Georgia, serif;
  --font-ui:      "Figtree", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  --r-1: 4px; --r-2: 6px; --r-3: 10px; --r-4: 14px; --r-pill: 999px;

  --shadow-subtle: 0 1px 2px rgba(74,56,28,.06), 0 1px 1px rgba(74,56,28,.04);
  --shadow-medium: 0 4px 10px rgba(74,56,28,.08), 0 2px 4px rgba(74,56,28,.05);
  --shadow-strong: 0 18px 40px rgba(56,42,20,.16), 0 6px 14px rgba(56,42,20,.08);

  --ease-standard: cubic-bezier(0.32, 0.08, 0.24, 1);
  --d-fast: 100ms; --d-normal: 200ms;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  overflow-x: clip; /* prevent page-level horizontal scroll from any overflowing child */
}
body {
  background: var(--warm-cream);
  color: var(--charcoal);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  margin: 0; /* override user-agent body margin */
  overflow-x: clip;
}
a { color: var(--revenue-green); text-decoration: none; }
a:hover { text-decoration: underline; }
strong { font-weight: 600; }
code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--cream-deep);
  padding: 2px 5px;
  border-radius: var(--r-1);
  color: var(--charcoal-soft);
}

/* ── Top nav ────────────────────────────────────────────────── */
.docs-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--card-cream);
  border-bottom: 1px solid var(--soft-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 56px;
  gap: 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-wordmark {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  color: var(--charcoal);
  letter-spacing: -0.02em;
}
.nav-divider {
  width: 1px;
  height: 16px;
  background: var(--soft-border);
}
.nav-section {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted-text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted-text);
  padding: 6px 12px;
  border-radius: var(--r-2);
  transition: background var(--d-fast) var(--ease-standard), color var(--d-fast);
  text-decoration: none;
}
.nav-link:hover {
  background: var(--cream-deep);
  color: var(--charcoal);
  text-decoration: none;
}
.nav-link.active {
  background: var(--green-tint);
  color: var(--revenue-green);
}

.nav-gh {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted-text);
  padding: 6px 12px;
  border: 1px solid var(--soft-border);
  border-radius: var(--r-3);
  transition: border-color var(--d-fast), color var(--d-fast);
  text-decoration: none;
  flex-shrink: 0;
}
.nav-gh:hover { border-color: var(--charcoal-12); color: var(--charcoal); text-decoration: none; }
.nav-gh svg { flex-shrink: 0; }

/* ── Docs layout (sidebar + content) ───────────────────────── */
.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - 56px);
  max-width: 1200px;
  margin: 0 auto;
  /* Contain any overflowing children (e.g. pre/code blocks) */
  overflow-x: clip;
}

.docs-sidebar {
  border-right: 1px solid var(--soft-border);
  padding: 32px 0;
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
  overflow-y: auto;
}

.sidebar-group { margin-bottom: 28px; padding: 0 20px; }

.sidebar-group-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-text);
  margin-bottom: 6px;
  padding: 0 8px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 8px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--charcoal-soft);
  border-radius: var(--r-2);
  transition: background var(--d-fast), color var(--d-fast);
  text-decoration: none;
}
.sidebar-link:hover {
  background: var(--cream-deep);
  color: var(--charcoal);
  text-decoration: none;
}
.sidebar-link.active {
  background: var(--green-tint);
  color: var(--revenue-green);
  font-weight: 600;
}
.sidebar-link.soon {
  color: var(--neutral-line);
  cursor: default;
  pointer-events: none;
}
.soon-chip {
  font-size: 10px;
  font-weight: 600;
  background: var(--neutral-soft);
  color: var(--muted-text);
  padding: 2px 6px;
  border-radius: var(--r-pill);
  letter-spacing: 0.04em;
}

/* ── Doc page content ───────────────────────────────────────── */
.docs-content {
  padding: 48px 56px 80px;
  max-width: 760px;
  min-width: 0; /* critical: prevent grid item expanding beyond track width */
  overflow-x: clip; /* code blocks scroll within this container, not the page */
}

@media (max-width: 900px) {
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { display: none; }
  .docs-content { padding: 32px 24px 64px; max-width: 100%; }
}

.doc-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted-text);
  margin-bottom: 28px;
}
.doc-breadcrumb a { color: var(--muted-text); }
.doc-breadcrumb a:hover { color: var(--charcoal); }
.doc-breadcrumb-sep { color: var(--neutral-line); }

.doc-eyebrow {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--revenue-green);
  margin-bottom: 10px;
}

.doc-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--charcoal);
  text-wrap: balance;
  margin-bottom: 16px;
}

.doc-lead {
  font-size: 16px;
  color: var(--muted-text);
  line-height: 1.7;
  max-width: 58ch;
  margin-bottom: 8px;
}

.doc-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--soft-border);
  margin-bottom: 40px;
}
.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--card-cream);
  border: 1px solid var(--soft-border);
  border-radius: var(--r-pill);
  padding: 4px 10px;
  font-size: 11.5px;
  color: var(--muted-text);
  font-weight: 500;
}
.meta-chip .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--revenue-green);
}

/* Section headers */
.doc-section { margin-top: 48px; }
.doc-section + .doc-section { margin-top: 56px; }

.section-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--attention-amber);
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  color: var(--charcoal);
  letter-spacing: -0.015em;
  line-height: 1.25;
  text-wrap: balance;
  margin-bottom: 14px;
}

.section-body {
  font-size: 14.5px;
  color: var(--muted-text);
  line-height: 1.7;
}
.section-body p + p { margin-top: 12px; }
.section-body strong { color: var(--charcoal); }

hr.doc-divider {
  border: none;
  border-top: 1px solid var(--soft-border);
  margin: 48px 0;
}

/* ── Data grid (what we know) ───────────────────────────────── */
.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--soft-border);
  border: 1px solid var(--soft-border);
  border-radius: var(--r-4);
  overflow: hidden;
  margin-top: 20px;
}
.data-cell {
  background: var(--card-cream);
  padding: 14px 16px;
}
.data-cell-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-text);
  margin-bottom: 4px;
}
.data-cell-value {
  font-size: 13px;
  color: var(--charcoal);
  font-weight: 500;
}

/* ── Callout ────────────────────────────────────────────────── */
.callout {
  border-left: 3px solid var(--attention-amber);
  background: var(--amber-tint);
  border-radius: 0 var(--r-3) var(--r-3) 0;
  padding: 14px 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--charcoal-soft);
  margin: 24px 0;
}
.callout.green { border-color: var(--revenue-green); background: var(--green-tint); }
.callout strong { color: var(--charcoal); }

/* ── Triggers ───────────────────────────────────────────────── */
.triggers { margin-top: 24px; display: flex; flex-direction: column; }

.trigger {
  border-left: 4px solid;
  padding: 22px 22px 22px 20px;
  background: var(--card-cream);
  border-bottom: 1px solid var(--soft-border);
}
.trigger:first-child { border-radius: var(--r-4) var(--r-4) 0 0; }
.trigger:last-child  { border-radius: 0 0 var(--r-4) var(--r-4); border-bottom: none; }

.trigger.grief  { border-color: var(--recovery-red);     }
.trigger.high   { border-color: var(--attention-amber);  }
.trigger.lapsed { border-color: var(--revenue-green);    }
.trigger.quiet  { border-color: var(--blue-text);        }
.trigger.first  { border-color: var(--purple-text);      }

.trigger-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.trigger-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 400;
  color: var(--charcoal);
}
.trigger-priority {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.trigger.grief  .trigger-priority { background: var(--red-tint);    color: var(--recovery-red);    }
.trigger.high   .trigger-priority { background: var(--amber-tint);  color: var(--amber-deep);      }
.trigger.lapsed .trigger-priority { background: var(--green-tint);  color: var(--green-deep);      }
.trigger.quiet  .trigger-priority { background: var(--blue-tint);   color: var(--blue-text);       }
.trigger.first  .trigger-priority { background: var(--purple-tint); color: var(--purple-text);     }

.trigger-body {
  font-size: 14px;
  color: var(--muted-text);
  line-height: 1.65;
  margin-bottom: 14px;
}
.trigger-body strong { color: var(--charcoal); }

.trigger-example {
  font-size: 13px;
  font-style: italic;
  color: var(--muted-text);
  line-height: 1.55;
  padding: 11px 14px;
  border-radius: var(--r-2);
  margin-bottom: 14px;
}
.trigger.grief  .trigger-example { background: var(--red-tint);    }
.trigger.high   .trigger-example { background: var(--amber-tint);  }
.trigger.lapsed .trigger-example { background: var(--green-tint);  }
.trigger.quiet  .trigger-example { background: var(--blue-tint);   }
.trigger.first  .trigger-example { background: var(--purple-tint); }
.trigger-example em { font-style: normal; font-weight: 600; color: var(--charcoal); }

/* time threshold bar */
.threshold-bar { margin-top: 10px; }
.threshold-label {
  font-size: 11px;
  color: var(--muted-text);
  margin-bottom: 5px;
  font-variant-numeric: tabular-nums;
}
.bar-track {
  height: 5px;
  background: var(--cream-deep);
  border-radius: 3px;
  position: relative;
  overflow: visible;
}
.bar-fill, .bar-window {
  height: 100%;
  border-radius: 3px;
  position: absolute;
  top: 0;
}
.bar-marker {
  position: absolute;
  top: -3px;
  width: 2px;
  height: 11px;
  border-radius: 1px;
}
.trigger.grief  .bar-fill, .trigger.grief  .bar-window { background: var(--recovery-red);    }
.trigger.high   .bar-fill, .trigger.high   .bar-window { background: var(--attention-amber); }
.trigger.lapsed .bar-fill, .trigger.lapsed .bar-window { background: var(--revenue-green);   }
.trigger.quiet  .bar-fill, .trigger.quiet  .bar-window { background: var(--blue-text);       }
.trigger.first  .bar-fill, .trigger.first  .bar-window { background: var(--purple-text);     }
.trigger.grief  .bar-marker { background: var(--recovery-red);    }
.trigger.high   .bar-marker { background: var(--attention-amber); }
.trigger.lapsed .bar-marker { background: var(--revenue-green);   }
.trigger.quiet  .bar-marker { background: var(--blue-text);       }
.trigger.first  .bar-marker { background: var(--purple-text);     }
.bar-ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  font-size: 10px;
  color: var(--muted-text);
  font-variant-numeric: tabular-nums;
}

/* ── Score table ────────────────────────────────────────────── */
.score-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-top: 20px;
}
.score-table th {
  text-align: left;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-text);
  border-bottom: 1px solid var(--soft-border);
  padding: 0 12px 10px 0;
}
.score-table td {
  padding: 10px 12px 10px 0;
  border-bottom: 1px solid var(--soft-border);
  color: var(--muted-text);
  vertical-align: middle;
  font-variant-numeric: tabular-nums;
}
.score-table tr:last-child td { border-bottom: none; }
.score-name { font-weight: 600; color: var(--charcoal); }
.score-bar { height: 4px; border-radius: 2px; background: var(--revenue-green); opacity: 0.6; }

/* ── Value grid ─────────────────────────────────────────────── */
.value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--soft-border);
  border: 1px solid var(--soft-border);
  border-radius: var(--r-4);
  overflow: hidden;
  margin-top: 20px;
}
.value-cell { background: var(--card-cream); padding: 16px 18px; }
.value-cell-type { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted-text); margin-bottom: 5px; }
.value-cell-mult { font-size: 22px; font-weight: 700; color: var(--charcoal); line-height: 1; margin-bottom: 5px; font-variant-numeric: tabular-nums; }
.value-cell-note { font-size: 11px; color: var(--muted-text); line-height: 1.4; }

/* ── Journey steps ──────────────────────────────────────────── */
.journey { margin-top: 28px; }
.journey-steps { display: flex; flex-direction: column; position: relative; }
.journey-step {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 16px;
  position: relative;
}
.journey-step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 17px; top: 36px; bottom: -8px;
  width: 2px;
  background: var(--soft-border);
}
.step-num-wrap { display: flex; align-items: flex-start; padding-top: 4px; }
.step-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--card-cream);
  border: 2px solid var(--soft-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  font-family: var(--font-display);
  color: var(--muted-text);
  flex-shrink: 0;
  position: relative; z-index: 1;
  font-variant-numeric: tabular-nums;
}
.journey-step.accent .step-num {
  background: var(--revenue-green);
  border-color: var(--revenue-green);
  color: #fff;
}
.step-content { padding: 4px 0 32px; }
.step-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 400;
  color: var(--charcoal);
  margin-bottom: 6px;
}
.step-body { font-size: 14px; color: var(--muted-text); line-height: 1.65; }
.step-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  font-size: 11.5px;
  color: var(--muted-text);
  background: var(--card-cream);
  border: 1px solid var(--soft-border);
  border-radius: var(--r-2);
  padding: 3px 9px;
  font-family: var(--font-mono);
}

/* ── Stat row (dashboard section) ───────────────────────────── */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  margin-top: 20px;
}
.stat {
  background: var(--card-cream);
  border: 1px solid var(--soft-border);
  border-radius: var(--r-4);
  padding: 18px;
  box-shadow: var(--shadow-subtle);
}
.stat-label { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted-text); margin-bottom: 7px; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--charcoal); line-height: 1; font-variant-numeric: tabular-nums; }
.stat-sub { font-size: 11px; color: var(--muted-text); margin-top: 4px; }

/* ── Code block ─────────────────────────────────────────────── */
.code-block {
  background: var(--charcoal);
  border-radius: var(--r-3);
  padding: 20px 22px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 16px 0;
  max-width: 100%; /* never wider than its containing block */
  contain: inline-size; /* layout containment: prevents pre content from sizing the box */
}
.code-block code {
  background: transparent;
  padding: 0;
  color: #d4d0c8;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  white-space: pre;
}
.code-block code .green  { color: #a8cc8c; }
.code-block code .amber  { color: #e2c08d; }
.code-block code .blue   { color: #72c3f7; }
.code-block code .muted  { color: #6b6b6b; }

/* ── Doc footer ─────────────────────────────────────────────── */
.doc-footer {
  border-top: 1px solid var(--soft-border);
  margin-top: 48px;
  padding-top: 28px;
  font-size: 12px;
  color: var(--muted-text);
  line-height: 1.6;
}

/* ── Home page ──────────────────────────────────────────────── */
.home-hero {
  padding: 64px 56px 48px;
  border-bottom: 1px solid var(--soft-border);
  max-width: 1200px;
  margin: 0 auto;
}
.home-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.08;
  color: var(--charcoal);
  text-wrap: balance;
  margin-bottom: 16px;
  max-width: 16ch;
}
.home-title em { font-style: italic; color: var(--revenue-green); }
.home-lead {
  font-size: 16px;
  color: var(--muted-text);
  line-height: 1.7;
  max-width: 56ch;
  margin-bottom: 24px;
}
.home-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.home-chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600;
  background: var(--card-cream);
  border: 1px solid var(--soft-border);
  border-radius: var(--r-pill);
  padding: 5px 12px;
  color: var(--muted-text);
}
.home-chip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--revenue-green); }

.home-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1px;
  background: var(--soft-border);
  max-width: 1200px;
  margin: 0 auto;
}
.home-category {
  background: var(--warm-cream);
  padding: 36px 40px;
}
.home-cat-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-text);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--soft-border);
}

.doc-card {
  display: block;
  background: var(--card-cream);
  border: 1px solid var(--soft-border);
  border-radius: var(--r-4);
  padding: 18px 20px;
  margin-bottom: 10px;
  text-decoration: none;
  transition: box-shadow var(--d-normal) var(--ease-standard),
              border-color var(--d-fast);
  box-shadow: var(--shadow-subtle);
}
.doc-card:hover {
  border-color: var(--revenue-green);
  box-shadow: var(--shadow-medium);
  text-decoration: none;
}
.doc-card.soon { pointer-events: none; opacity: 0.5; }

.doc-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.doc-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--charcoal);
}
.doc-card-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--r-pill);
}
.badge-live { background: var(--green-tint); color: var(--revenue-green); }
.badge-soon { background: var(--neutral-soft); color: var(--muted-text); }

.doc-card-body {
  font-size: 13px;
  color: var(--muted-text);
  line-height: 1.55;
}

.home-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 40px;
  border-top: 1px solid var(--soft-border);
  font-size: 12px;
  color: var(--muted-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.home-footer a { color: var(--muted-text); }
.home-footer a:hover { color: var(--charcoal); }

/* ── Mobile hamburger button ────────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 38px;
  height: 38px;
  background: none;
  border: 1px solid var(--soft-border);
  border-radius: var(--r-2);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: background var(--d-fast);
}
.nav-hamburger:hover { background: var(--cream-deep); }
.nav-hamburger-bar {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--charcoal);
  border-radius: 1px;
}

/* ── Mobile overlay ─────────────────────────────────────────── */
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 20, 20, 0.45);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
  z-index: 199;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease-standard);
}
.mobile-overlay.open {
  opacity: 1;
  pointer-events: all;
}

/* ── Mobile drawer ──────────────────────────────────────────── */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(300px, 88vw);
  background: var(--card-cream);
  border-left: 1px solid var(--soft-border);
  z-index: 200;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transform: translateX(102%);
  transition: transform 0.28s var(--ease-standard);
  box-shadow: -24px 0 64px rgba(20, 20, 20, 0.14);
  padding-bottom: 48px;
}
.mobile-drawer.open {
  transform: translateX(0);
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 16px;
  border-bottom: 1px solid var(--soft-border);
  position: sticky;
  top: 0;
  background: var(--card-cream);
  z-index: 1;
}
.drawer-wordmark {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 400;
  color: var(--charcoal);
  letter-spacing: -0.02em;
}
.drawer-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: none;
  border: 1px solid var(--soft-border);
  border-radius: var(--r-2);
  cursor: pointer;
  color: var(--muted-text);
  font-size: 16px;
  line-height: 1;
  padding: 0;
  font-family: var(--font-ui);
  transition: background var(--d-fast), color var(--d-fast);
}
.drawer-close:hover {
  background: var(--cream-deep);
  color: var(--charcoal);
}

.drawer-group {
  padding: 20px 12px 0;
}
.drawer-group-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-text);
  margin-bottom: 4px;
  padding: 0 8px;
}
.drawer-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--charcoal-soft);
  border-radius: var(--r-2);
  text-decoration: none;
  line-height: 1.35;
  transition: background var(--d-fast), color var(--d-fast);
}
.drawer-link:hover {
  background: var(--cream-deep);
  color: var(--charcoal);
  text-decoration: none;
}
.drawer-link.active {
  background: var(--green-tint);
  color: var(--revenue-green);
  font-weight: 600;
}
.drawer-link.toc {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted-text);
  min-height: 38px;
  padding-left: 12px;
}
.drawer-link.toc.active {
  background: none;
  color: var(--revenue-green);
  font-weight: 500;
}
.drawer-link.toc:hover { color: var(--charcoal); }

hr.drawer-divider {
  border: none;
  border-top: 1px solid var(--soft-border);
  margin: 16px 0 0;
}

/* ── Scrollable table wrapper ───────────────────────────────── */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 20px;
  border-radius: var(--r-3);
}
.table-scroll .score-table { margin-top: 0; }

/* ── Responsive breakpoints ─────────────────────────────────── */
@media (max-width: 720px) {
  /* Nav */
  .docs-nav { padding: 0 16px; gap: 10px; }
  .nav-links { display: none; }
  .nav-gh { display: none; }
  .nav-hamburger { display: flex; }

  /* Doc page */
  .docs-content { padding: 24px 16px 72px; }

  /* Typography */
  .doc-title { font-size: 26px; }
  .section-title { font-size: 20px; }
  .home-title { font-size: 34px; }

  /* Breadcrumb */
  .doc-breadcrumb { font-size: 11px; gap: 5px; }

  /* Meta chips */
  .doc-meta-row { gap: 6px; padding-bottom: 24px; margin-bottom: 28px; }
  .meta-chip { font-size: 11px; padding: 3px 8px; }

  /* Trigger cards */
  .trigger { padding: 16px; }
  .trigger-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .trigger-name { font-size: 15px; }

  /* Value grid — single column on small screens */
  .value-grid { grid-template-columns: 1fr; }

  /* Data grid */
  .data-grid { grid-template-columns: 1fr 1fr; }

  /* Score table — hide the decorative bar column */
  .score-table .bar-col { display: none; }

  /* Journey */
  .journey-step { grid-template-columns: 30px 1fr; gap: 10px; }
  .step-num { width: 30px; height: 30px; font-size: 12px; }
  .journey-step:not(:last-child)::before { left: 14px; }

  /* Stat row */
  .stat-row { grid-template-columns: 1fr 1fr; gap: 10px; }

  /* Callout */
  .callout { padding: 12px 14px; font-size: 13.5px; }

  /* Code block */
  .code-block { padding: 14px 16px; border-radius: var(--r-2); }
  .code-block code { font-size: 12px; }

  /* Home */
  .home-hero { padding: 36px 16px 32px; }
  .home-lead { font-size: 14.5px; }
  .home-grid { grid-template-columns: 1fr; }
  .home-category { padding: 24px 16px; }
  .home-footer { padding: 24px 16px; flex-direction: column; gap: 8px; font-size: 12px; }
  .home-chips { gap: 6px; }

  /* Doc footer */
  .doc-footer { padding-top: 24px; font-size: 12px; }

  /* Section spacing */
  .doc-section { margin-top: 36px; }
  .doc-section + .doc-section { margin-top: 44px; }
  hr.doc-divider { margin: 36px 0; }
}

@media (max-width: 420px) {
  .docs-content { padding: 20px 14px 60px; }
  .doc-title { font-size: 24px; }
  .home-hero { padding: 28px 14px 28px; }
  .home-category { padding: 20px 14px; }
  .docs-nav { padding: 0 14px; }
  .data-grid { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr 1fr; }
  .meta-chip { font-size: 10.5px; }
}