/* sober.guide — consumer, warm. Accent: living teal-green.
   This file overrides only what differs from base.css. Do NOT redeclare
   surface tokens here — base.css owns the rhythm and was tuned for visible
   alternation. */

:root, [data-theme="light"] {
  --color-primary: #1f5e57;
  --color-primary-hover: #163f3a;
  --color-primary-soft: #e2ebe6;
  --font-display: 'Newsreader', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

[data-theme="dark"] {
  --color-primary: #6cb3a4;
  --color-primary-hover: #8acabb;
  --color-primary-soft: #1d2a26;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-primary: #6cb3a4;
    --color-primary-hover: #8acabb;
    --color-primary-soft: #1d2a26;
  }
}

/* ===== Editorial rail layout =====
   Each chaptered section becomes a 2-column grid on wide screens.
   Eyebrow sits in column 1 (the rail). Everything else spans column 2.
   On narrow screens, single column. */
@media (min-width: 880px) {
  section[data-chapter] > .wrap {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    column-gap: var(--space-12);
    row-gap: 0;
    max-width: var(--content-wide);
  }
  section[data-chapter] > .wrap > * {
    grid-column: 2;
  }
  section[data-chapter] > .wrap > .section-eyebrow {
    grid-column: 1;
    grid-row: 1 / span 99;
    margin-bottom: 0;
    padding-top: var(--space-3);
    border-top: 2px solid var(--color-primary);
    align-self: start;
    position: sticky;
    top: calc(var(--space-16) + var(--space-4));
    line-height: 1.4;
    width: 100%;
  }
  section[data-chapter] > .wrap > .section-eyebrow::before {
    display: block;
    margin: 0 0 var(--space-3) 0;
    font-size: 1.1rem;
    line-height: 1;
    letter-spacing: 0.04em;
  }
  /* Disable the centred top tick on chapter sections — the rail provides structure now */
  section[data-chapter]:not(.band-dark)::before { display: none; }
}

/* ===== Months grid (section #months) ===== */
.months-grid {
  display: grid;
  gap: 1px;
  background: var(--color-divider);
  border: 1px solid var(--color-divider);
  margin-top: var(--space-8);
}
@media (min-width: 720px) {
  .months-grid { grid-template-columns: 1fr 1fr; }
}
.months-grid > div {
  background: var(--color-surface);
  padding: var(--space-6);
}
.months-grid h3 {
  margin-top: 0;
  margin-bottom: var(--space-2);
  font-size: var(--text-base);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--color-primary);
  font-family: var(--font-body);
}
.months-grid p { font-size: var(--text-sm); margin: 0; max-width: none; }
section:nth-of-type(even) .months-grid > div { background: var(--color-bg); }

/* ===== Persona tiles (section #who) ===== */
.persona-tiles {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-6);
  margin-bottom: var(--space-6);
}
@media (min-width: 720px) {
  .persona-tiles { grid-template-columns: repeat(4, 1fr); }
}
.persona-tiles li {
  padding: var(--space-4);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  max-width: none;
}
section:nth-of-type(even) .persona-tiles li { background: var(--color-bg); }

/* ===== I-will-not list ===== */
.refuse-list {
  list-style: none;
  display: grid;
  gap: 0;
  margin-block: var(--space-8) var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.refuse-list li {
  padding: var(--space-4) 0 var(--space-4) var(--space-8);
  border-bottom: 1px solid var(--color-divider);
  position: relative;
  max-width: none;
  font-size: var(--text-base);
}
.refuse-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  top: var(--space-4);
  color: var(--color-error);
  font-weight: 600;
}

/* ===== Hero — table of contents on the right ===== */
.hero > .wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  max-width: var(--content-wide);
}
@media (min-width: 960px) {
  .hero > .wrap {
    grid-template-columns: minmax(0, 1.7fr) minmax(220px, 1fr);
    gap: var(--space-16);
    align-items: start;
  }
}
.hero-main { min-width: 0; }
.hero-pitch {
  font-size: var(--text-base);
  color: var(--color-text);
  max-width: 56ch;
  line-height: 1.55;
}
.hero-pitch strong { font-weight: 600; }

/* Why James — calm trust strip below the pitch.
   Four short lines. Hairline rules. No badges, no logos. */
.why-james {
  list-style: none;
  padding: 0;
  margin: var(--space-6) 0 var(--space-7);
  display: grid;
  gap: 0;
  max-width: 56ch;
  border-top: 1px solid var(--color-divider);
}
.why-james li {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.55;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}
.why-james li strong {
  font-weight: 600;
  color: var(--color-text);
}

/* ===== Hero doors: orientation triage before the long intro =====
   Three doors. "If X / The next step →". Hairlines like start-here.
   Crisis door has a teal left bar so it reads as the urgent one. */
.hero-doors {
  margin: var(--space-8) 0 var(--space-9) 0;
  border-top: 1px solid var(--color-text);
  border-bottom: 1px solid var(--color-divider);
}
.hero-doors-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
  margin: var(--space-4) 0 var(--space-2) 0;
}
.hero-doors ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.hero-doors li {
  border-top: 1px solid var(--color-divider);
}
.hero-doors li:first-child {
  border-top: none;
}
.hero-doors a {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding: var(--space-4) 0;
  color: var(--color-text);
  text-decoration: none;
  transition: padding-left 160ms ease, color 160ms ease;
}
@media (min-width: 640px) {
  .hero-doors a {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: var(--space-5);
    align-items: baseline;
  }
}
.door-if {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.25;
  color: var(--color-text);
}
.door-then {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.005em;
}
@media (min-width: 640px) {
  .door-then { text-align: right; }
}
.hero-doors a:hover .door-then,
.hero-doors a:focus-visible .door-then {
  color: var(--color-primary-hover);
}
.hero-doors a:hover .door-if,
.hero-doors a:focus-visible .door-if {
  color: var(--color-primary);
}
.door-crisis {
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-4);
}
@media (min-width: 640px) {
  .door-crisis { padding-left: var(--space-5); }
}

.hero-toc {
  font-size: var(--text-sm);
  border-top: 2px solid var(--color-text);
  padding-top: var(--space-4);
}
.hero-toc h2 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  letter-spacing: 0.16em;
}
.hero-toc ol {
  list-style: none;
  counter-reset: toc;
  display: grid;
  gap: 0;
}
.hero-toc li {
  counter-increment: toc;
  border-bottom: 1px solid var(--color-divider);
  max-width: none;
  margin: 0;
}
.hero-toc a {
  display: grid;
  grid-template-columns: 1.8em 1fr;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  color: var(--color-text);
  align-items: baseline;
}
.hero-toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
}
.hero-toc a:hover { color: var(--color-primary); }
.hero-toc a:hover::before { color: var(--color-primary); }

/* ===== Maths section: pull-quote larger, panel feel ===== */
section#maths .pull {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  border-left-width: 4px;
  margin-block: var(--space-12);
  max-width: 28ch;
}

/* ===== Tighter body measure on long-prose chapters ===== */
section[data-chapter] p { max-width: 60ch; }
section[data-chapter] .lede { max-width: 56ch; }

/* ===== Hero typography compact ===== */
.hero h1 { font-size: clamp(2rem, 1.4rem + 2vw, 3rem); max-width: 18ch; }
.hero-lede { font-size: var(--text-base); max-width: 52ch; line-height: 1.55; }

/* ===== Closing quote: anchor with rule above and below ===== */
.closing-quote {
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface);
}

/* ===== Mobile rhythm: tighten everything ===== */
@media (max-width: 640px) {
  section { padding-block: clamp(var(--space-10), 14vw, var(--space-16)); }
  .hero { padding-block: var(--space-12) var(--space-10); }
  .hero h1 { font-size: clamp(1.8rem, 6.5vw, 2.4rem); }
}

/* ===== Writer's note: full-width margin block, indented like a margin essay ===== */
.writers-note {
  margin-top: var(--space-12);
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  max-width: 62ch;
}
.writers-note-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 var(--space-3) 0;
}
.writers-note h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 0.9rem + 0.7vw, 1.55rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-5) 0;
  max-width: 28ch;
}
.writers-note p {
  font-size: var(--text-base);
  line-height: 1.6;
  max-width: 60ch;
}
.writers-note p + p { margin-top: var(--space-4); }

/* ===== Sister-sites note: subtle inset card, not pretending to be a CTA ===== */
.sister-note {
  margin-top: var(--space-10);
  padding: var(--space-5) var(--space-6);
  background: var(--color-surface-2);
  border-left: 2px solid var(--color-primary);
  max-width: var(--content-narrow);
}
.sister-note p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.55;
}
.sister-note p strong { color: var(--color-text); font-weight: 600; }
.sister-note a {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.sister-note a:hover { color: var(--color-primary); }

/* ===== The maths section: tighten lede, soften trailing paragraph ===== */
#maths .lede {
  font-size: clamp(1.1rem, 0.95rem + 0.5vw, 1.3rem);
  font-style: italic;
  font-family: var(--font-serif);
  font-weight: 500;
  max-width: 38ch;
  line-height: 1.4;
}
#maths > .wrap > p:last-child {
  font-size: var(--text-base);
  max-width: 56ch;
  color: var(--color-text-muted);
}

/* ===== Cost list: each item is a row with label + note. Hairlined. ===== */
.cost-list {
  list-style: none;
  padding: 0;
  margin: var(--space-8) 0 0 0;
  border-top: 1px solid var(--color-divider);
  max-width: var(--content-narrow);
}
.cost-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-divider);
}
@media (min-width: 720px) {
  .cost-list li {
    grid-template-columns: 220px 1fr;
    gap: var(--space-10);
    padding: var(--space-10) 0;
    align-items: baseline;
  }
}
.cost-label {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--color-text);
}
.cost-note {
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 56ch;
}

/* ===== Topic list: scannable encyclopedia categories. Hairlined rows. ===== */
/* Topic list — calmer, trust-strip-adjacent rhythm. Hairline only at top, no
   per-row dividers. Label is a small caps tag, body sits on the same baseline. */
.topic-list {
  list-style: none;
  padding: 0;
  margin: var(--space-6) 0 0 0;
  border-top: 1px solid var(--color-divider);
}
.topic-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding: var(--space-5) 0;
  border-bottom: 1px dotted var(--color-divider);
}
@media (min-width: 540px) {
  .topic-list li {
    grid-template-columns: 150px 1fr;
    gap: var(--space-5);
    align-items: baseline;
  }
}
@media (min-width: 1080px) {
  .topic-list li {
    grid-template-columns: 160px 1fr;
    gap: var(--space-6);
  }
}
.topic-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.topic-body {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text);
}

/* ===== Writer's note H3 should not break awkwardly mid-phrase ===== */
.writers-note h3 {
  text-wrap: balance;
}

/* ===== Three doors: make the .guide names look like links ===== */
#network h3 a {
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 2px;
  transition: color 160ms ease, border-color 160ms ease;
}
#network h3 a:hover {
  color: var(--color-primary);
}
#network h3 a::after {
  content: " \2192";
  display: inline-block;
  margin-left: 0.3em;
  color: var(--color-primary);
  transition: transform 160ms ease;
}
#network h3 a:hover::after { transform: translateX(3px); }

/* ===== Hero TOC: a stronger top rule, tightened spacing ===== */
.hero-toc {
  border-top-color: var(--color-text);
}
.hero-toc h2 { color: var(--color-text); }

/* ===== Hero anchor rule above eyebrow on desktop ===== */
@media (min-width: 720px) {
  .hero { border-top: 1px solid var(--color-divider); }
}

/* ===== Closing quote padding tighten ===== */
.closing-quote { padding-block: clamp(var(--space-12), 8vw, var(--space-20)); }
.closing-quote blockquote {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 1rem + 0.8vw, 1.8rem);
  font-style: italic;
  font-weight: 500;
  line-height: 1.35;
  text-align: center;
  max-width: 32ch;
  margin: 0 auto;
  border: none;
  padding: 0;
}
.closing-quote cite {
  display: block;
  font-style: normal;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-align: center;
  color: var(--color-text-muted);
  margin-top: var(--space-6);
}


/* =====================================================================
   Hero v2 — 30 April 2026
   Two-column desktop, single-stack mobile.
   Left column: H1, lede, 2x2 chip grid, primary CTA, dotted trust strip.
   Right column: static simulated chat preview (cream, not dark).
   Three-door strip lives outside the hero (sibling section).
   ===================================================================== */

.hero-v2 {
  padding-block: var(--space-10) var(--space-12);
}
.hero-v2 > .wrap {
  display: grid;
  grid-template-columns: 1fr !important;
  gap: var(--space-8);
  max-width: var(--content-wide);
  align-items: start;
}
@media (min-width: 1080px) {
  .hero-v2 > .wrap {
    grid-template-columns: minmax(0, 58fr) minmax(0, 42fr) !important;
    gap: var(--space-12);
  }
  .hero-v2 > .wrap > .hero-preview {
    position: sticky;
    top: var(--space-8);
  }
}

/* Below 1080: chat preview becomes a centred panel under the hero copy */
@media (max-width: 1079px) {
  .hero-v2 > .wrap > .hero-preview {
    max-width: 640px;
    width: 100%;
    margin-inline: auto;
    justify-self: center;
  }
}

/* Left column */
.hero-left { min-width: 0; }
.hero-v2 .hero-left h1 {
  font-size: clamp(2rem, 1.4rem + 2vw, 3rem);
  max-width: 26ch;
  margin: 0 0 var(--space-6);
  text-wrap: balance;
}
.hero-v2 .hero-lede {
  font-size: var(--text-base);
  max-width: 56ch;
  line-height: 1.55;
  margin: 0 0 var(--space-8);
  color: var(--color-text);
}

/* Chip grid: 2x2 on desktop, single column on mobile */
.hero-chips {
  margin: 0 0 var(--space-6);
}
.hero-chips ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  max-width: 56ch;
}
@media (min-width: 720px) {
  .hero-chips ul {
    grid-template-columns: 1fr 1fr;
  }
}
.hero-chips a {
  display: block;
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-divider);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-sm);
  text-decoration: none;
  border-radius: 3px;
  transition: border-color 120ms ease, background 120ms ease, color 120ms ease;
}
.hero-chips a:hover,
.hero-chips a:focus-visible {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

/* Single primary CTA */
.hero-v2 .hero-cta {
  margin: 0 0 var(--space-6);
}
.hero-v2 .hero-cta .cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* Trust strip — single line with dotted middots */
.hero-trust-strip {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
  margin: 0;
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-divider);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  max-width: 56ch;
  line-height: 1.6;
}
.hero-trust-strip span[aria-hidden="true"] {
  color: var(--color-text-faint);
}

/* =====================================================================
   Hero chat preview — reads as a real chat panel, not a quote block.
   Header (status dot + title + meta) // alternating bubbles // CTA.
   ===================================================================== */
.hero-preview {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(0,0,0,0.04), 0 12px 32px -20px rgba(0,0,0,0.18);
}
[data-theme="dark"] .hero-preview,
.hero-preview[data-theme-fallback] {
  box-shadow: 0 1px 0 rgba(0,0,0,0.4), 0 16px 40px -22px rgba(0,0,0,0.6);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .hero-preview {
    box-shadow: 0 1px 0 rgba(0,0,0,0.4), 0 16px 40px -22px rgba(0,0,0,0.6);
  }
}

/* Chat panel header */
.hero-preview-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-bg);
  font-family: var(--font-body);
}
@media (min-width: 720px) {
  .hero-preview-header {
    padding: var(--space-4) var(--space-5);
  }
}
.hero-preview-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 22%, transparent);
  flex: 0 0 auto;
}
.hero-preview-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.005em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex: 1 1 auto;
}
.hero-preview-meta {
  margin-left: auto;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex: 0 0 auto;
}
@media (max-width: 560px) {
  .hero-preview-meta { display: none; }
}

/* Thread — alternating bubbles */
.hero-preview-thread {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
@media (min-width: 720px) {
  .hero-preview-thread {
    padding: var(--space-6);
    gap: var(--space-5);
  }
}
.hero-preview-msg {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  max-width: 88%;
}
.hero-preview-james {
  align-self: flex-start;
}
.hero-preview-you {
  align-self: flex-end;
  align-items: flex-end;
}
/* Operator-spec: small-caps tag, faint hairline below, sits as a label not a chat
   handle. Distances the UI from a social messaging app. */
.hero-preview-from {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  padding: 0 var(--space-2) 4px;
  border-bottom: 1px solid var(--color-divider);
  align-self: flex-start;
  min-width: 56px;
  text-align: left;
}
.hero-preview-you .hero-preview-from {
  align-self: flex-end;
  text-align: right;
}
.hero-preview-james .hero-preview-from {
  color: var(--color-primary);
}
.hero-preview-msg p {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-text);
  padding: var(--space-3) var(--space-4);
  border-radius: 14px;
}
.hero-preview-msg p + p {
  margin-top: var(--space-2);
}
.hero-preview-james p {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-bottom-left-radius: 4px;
}
.hero-preview-you p {
  background: var(--color-primary-soft);
  color: var(--color-text);
  border: 1px solid color-mix(in srgb, var(--color-primary) 25%, transparent);
  border-bottom-right-radius: 4px;
}

/* CTA — sits inside the panel, full width footer */
.hero-preview-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-divider);
  background: var(--color-bg);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  transition: background 120ms ease, color 120ms ease;
}
.hero-preview-cta::after {
  content: "";
}
.hero-preview-cta:hover,
.hero-preview-cta:focus-visible {
  background: var(--color-primary-soft);
  color: var(--color-primary-hover);
}

/* Three-door strip — sibling of hero, full-width band */
.three-door-strip {
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-bg);
  padding-block: var(--space-6);
  margin-bottom: var(--space-12);
}
.three-door-strip ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid transparent;
}
@media (min-width: 720px) {
  .three-door-strip ul {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-6);
  }
}
.three-door-strip li {
  border-bottom: 1px solid var(--color-divider);
}
@media (min-width: 720px) {
  .three-door-strip li {
    border-bottom: none;
    border-right: 1px solid var(--color-divider);
    padding-right: var(--space-6);
  }
  .three-door-strip li:last-child {
    border-right: none;
    padding-right: 0;
  }
}
.three-door-strip a {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) 0;
  text-decoration: none;
  color: var(--color-text);
}
@media (min-width: 720px) {
  .three-door-strip a {
    padding: var(--space-2) 0;
  }
}
.three-door-strip .door-if {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.three-door-strip .door-then {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.4;
}
.three-door-strip a:hover .door-then,
.three-door-strip a:focus-visible .door-then {
  color: var(--color-primary);
}
.three-door-strip a.door-crisis {
  position: relative;
  padding-left: var(--space-4);
}
.three-door-strip a.door-crisis::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--color-error);
}
.three-door-strip a.door-crisis .door-then {
  color: var(--color-error);
}

/* Mobile: chat preview sticky-top is undesired — unset. */
@media (max-width: 959px) {
  .hero-preview {
    position: static;
  }
}

/* Hide the legacy hero-toc aside (now removed from DOM but defensively
   keep its display:none so any cached CSS does not show stray styling). */
.hero-toc { display: none; }

/* Three-door strip when inline inside the hero grid.
   Desktop: span full width below both columns.
   Mobile: natural flow places it between hero-left and hero-preview. */
.three-door-strip--inline {
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-bg);
  padding-block: var(--space-5);
  margin-bottom: 0;
}
.three-door-strip--inline ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 720px) {
  .three-door-strip--inline ul {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-6);
  }
}
.three-door-strip--inline li {
  border-bottom: 1px solid var(--color-divider);
}
.three-door-strip--inline li:last-child { border-bottom: none; }
@media (min-width: 720px) {
  .three-door-strip--inline li {
    border-bottom: none;
    border-right: 1px solid var(--color-divider);
    padding-right: var(--space-6);
  }
  .three-door-strip--inline li:last-child {
    border-right: none;
    padding-right: 0;
  }
}
.three-door-strip--inline a {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  text-decoration: none;
  color: var(--color-text);
}
.three-door-strip--inline .door-if {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.three-door-strip--inline .door-then {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.4;
}
.three-door-strip--inline a:hover .door-then,
.three-door-strip--inline a:focus-visible .door-then {
  color: var(--color-primary);
}
.three-door-strip--inline a.door-crisis {
  position: relative;
  padding-left: var(--space-4);
}
.three-door-strip--inline a.door-crisis::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--color-error);
}
.three-door-strip--inline a.door-crisis .door-then {
  color: var(--color-error);
}

/* =====================================================================
   Three-door strip — BAND variant. Full-width sibling section below the
   hero. Three doors as side-by-side cards on desktop, stacked on mobile.
   ===================================================================== */
.three-door-strip--band {
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-bg);
  padding-block: var(--space-7);
}
.three-door-strip--band > .wrap {
  max-width: var(--content-wide);
}
.three-door-strip--band ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--color-divider);
  border: 1px solid var(--color-divider);
  border-radius: 4px;
  overflow: hidden;
}
@media (min-width: 720px) {
  .three-door-strip--band ul {
    grid-template-columns: 1fr 1fr 1fr;
  }
}
.three-door-strip--band li {
  background: var(--color-surface);
}
.three-door-strip--band a {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-6);
  text-decoration: none;
  color: var(--color-text);
  min-height: 100%;
  transition: background 140ms ease;
}
.three-door-strip--band a:hover,
.three-door-strip--band a:focus-visible {
  background: var(--color-primary-soft);
}
.three-door-strip--band .door-if {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.three-door-strip--band .door-then {
  font-family: var(--font-display);
  font-size: var(--text-base);
  line-height: 1.35;
  color: var(--color-text);
}
.three-door-strip--band a:hover .door-then,
.three-door-strip--band a:focus-visible .door-then {
  color: var(--color-primary);
}
.three-door-strip--band a.door-crisis {
  position: relative;
}
.three-door-strip--band a.door-crisis::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-error);
}
.three-door-strip--band a.door-crisis .door-then {
  color: var(--color-error);
}

/* Hero meta line — single italic line below the trust strip.
   Bridges Bot and Person; reminds visitor the logic is authored. */
.hero-meta-line {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: var(--space-4) 0 0;
  max-width: 56ch;
  line-height: 1.5;
}