/* ════════════════════════════════════════════════════════════
   Divergent Logic — content pages (expressive theme)
   Styles the article / hub / checklist / about content classes
   in the deep-space design system. Loaded after styles.css +
   site.css, which provide the tokens and shared chrome (nav,
   footer, buttons, kicker, reveal, bg-wash, canvas).
   ════════════════════════════════════════════════════════════ */

.page-shell { padding: clamp(104px, 16vh, 150px) 0 clamp(56px, 9vh, 90px); }
.container { width: var(--container); margin-inline: auto; }
.container.narrow, .article, .checklist-page { max-width: 760px; margin-inline: auto; }

/* ── breadcrumbs ───────────────────────────────────────────── */
.crumbs {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: 0.04em; color: var(--on-sky-faint);
  margin-bottom: 28px;
}
.crumbs a { color: var(--on-sky-muted); text-decoration: none; transition: color var(--duration-fast); }
.crumbs a:hover { color: var(--spectrum-sky); }
.crumbs span[aria-hidden], .crumbs > span:not([class]) { opacity: 0.5; }

/* ── eyebrows / titles / lede (re-skin old section classes) ── */
.section__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide); text-transform: uppercase;
  color: var(--on-sky-muted); margin: 0 0 18px;
}
.section__eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; opacity: 0.6; }
.section__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2rem, 4.4vw, 3rem); line-height: 1.1;
  letter-spacing: -0.02em; color: var(--on-sky-strong); margin: 0 0 16px;
  text-wrap: balance;
}
.section__lede { font-size: var(--text-md); color: var(--on-sky-muted); margin: 0 0 40px; max-width: 60ch; }

/* ── article prose ─────────────────────────────────────────── */
.article h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem, 5vw, 2.875rem); line-height: 1.12;
  letter-spacing: -0.02em; color: var(--on-sky-strong);
  margin: 0 0 14px; text-wrap: balance;
}
.article__meta {
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: 0.08em; color: var(--on-sky-faint); margin: 0 0 30px;
}
.article__lede, .answer-lede {
  font-size: var(--text-md); line-height: 1.6; color: var(--on-sky-strong);
  margin: 0 0 30px;
}
.answer-lede {
  border-left: 2px solid var(--spectrum-sky);
  padding: 4px 0 4px 20px; max-width: 65ch;
}
.article h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--text-xl); line-height: 1.2; letter-spacing: -0.01em;
  color: var(--on-sky-strong); margin: 44px 0 14px;
}
.article h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); color: var(--on-sky-strong); margin: 28px 0 10px; }
.article p { color: var(--on-sky); margin: 0 0 18px; }
.article ul, .article ol { color: var(--on-sky); margin: 0 0 20px; padding-left: 1.3em; display: grid; gap: 9px; }
.article li { padding-left: 4px; }
.article li::marker { color: var(--spectrum-sky); }
.article a { color: var(--spectrum-sky); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(95,199,224,0.4); }
.article a:hover { text-decoration-color: var(--spectrum-sky); }
.article strong, .article b { color: var(--on-sky-strong); font-weight: 700; }
.article blockquote {
  border-left: 3px solid var(--spectrum-violet);
  margin: 22px 0; padding: 4px 0 4px 20px;
  font-family: var(--font-display); font-weight: 500;
  font-size: var(--text-lg); line-height: 1.4; color: var(--on-sky-strong);
}
.article dl { display: grid; gap: 20px; margin: 0 0 24px; }
.article dl dt { font-family: var(--font-display); font-weight: 600; font-size: var(--text-md); color: var(--on-sky-strong); margin-bottom: 5px; }
.article dl dd { margin: 0; color: var(--on-sky-muted); }

/* ── CTA box ───────────────────────────────────────────────── */
.cta-box {
  margin-top: 44px; padding: clamp(26px, 4vw, 38px);
  border-radius: var(--radius-xl);
  background: linear-gradient(160deg, rgba(86,129,238,0.16), rgba(63,182,168,0.10));
  border: 1px solid rgba(95,199,224,0.25);
}
.cta-box h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-xl); color: var(--on-sky-strong); margin: 0 0 8px; }
.cta-box p { color: var(--on-sky); margin: 0 0 22px; max-width: 56ch; }

/* old button classes → expressive pills (used in cta-box / checklists) */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 26px; margin: 4px 8px 4px 0;
  border-radius: var(--radius-pill); font-family: var(--font-display);
  font-weight: 600; font-size: var(--text-md); text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast), background var(--duration-fast), border-color var(--duration-fast); }
.btn--glow { background: var(--spectrum-blue); color: #fff; box-shadow: 0 14px 40px rgba(86,129,238,0.4); }
.btn--glow:hover { transform: translateY(-2px); box-shadow: 0 20px 54px rgba(86,129,238,0.55); }
.btn--ghost { background: transparent; color: var(--on-sky-strong); border-color: rgba(199,213,250,0.25); }
.btn--ghost:hover { border-color: rgba(199,213,250,0.55); transform: translateY(-2px); }
.btn--small { min-height: 42px; padding: 0 18px; font-size: var(--text-sm); }
/* buttons inside .article must beat the generic ".article a" link styling */
.article a.btn { text-decoration: none; }
.article a.btn--glow { color: #fff; }
.article a.btn--ghost { color: var(--on-sky-strong); }

/* ── Clarity Lab hub grid ──────────────────────────────────── */
.lab-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.lab-card {
  display: flex; flex-direction: column; gap: 10px;
  padding: 28px; border-radius: var(--radius-xl);
  border: 1px solid var(--sky-line);
  background: linear-gradient(180deg, rgba(24,35,61,0.7), rgba(11,18,32,0.7));
  text-decoration: none; color: var(--on-sky-strong);
  transition: transform var(--duration) var(--ease-out), border-color var(--duration), box-shadow var(--duration);
}
.lab-card:hover { transform: translateY(-6px); border-color: rgba(95,199,224,0.4); box-shadow: 0 26px 60px rgba(0,0,0,0.45); }
.lab-card__tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; }
.lab-card__tag--travel { color: var(--spectrum-sky); }
.lab-card__tag--ops { color: var(--spectrum-violet); }
.lab-card h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); line-height: 1.25; color: #fff; margin: 0; }
.lab-card p { color: var(--on-sky-muted); font-size: var(--text-sm); margin: 0; }
.lab-card__read { margin-top: auto; font-family: var(--font-display); font-weight: 600; font-size: var(--text-sm); color: var(--spectrum-sky); }
@media (max-width: 760px) { .lab-grid { grid-template-columns: 1fr; } }

/* ── checklist resource pages ──────────────────────────────── */
.checklist-group { margin-bottom: 34px; }
.checklist-group h2 {
  font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg);
  color: var(--spectrum-sky); margin: 0 0 12px;
}
.check-item {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 13px 4px; border-bottom: 1px solid var(--sky-line);
  color: var(--on-sky);
}
.check-item i {
  flex: none; width: 22px; height: 22px; margin-top: 1px;
  border: 1.5px solid var(--on-sky-faint); border-radius: var(--radius-xs);
  background: rgba(199,213,250,0.04);
}
.checklist-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 36px; }

/* ── reveal: keep content visible if JS/IO never fires ─────── */
.no-js .reveal { transform: none; }

/* ── print (checklists) — clean light output ───────────────── */
@media print {
  .bg-wash, #sky, .grain, .site-nav, .site-footer, .checklist-actions, .crumbs { display: none !important; }
  body { background: #fff !important; color: #111 !important; }
  .page-shell { padding: 0 !important; }
  .section__title, .checklist-group h2, .article h1, .article h2 { color: #111 !important; }
  .check-item { color: #222 !important; border-color: #ccc !important; }
  .check-item i { border-color: #888 !important; background: #fff !important; }
}

/* ── neurodivergent glossary ───────────────────────────────── */
.gloss-note {
  margin: 0 0 14px; padding: 16px 20px; border-radius: var(--radius-lg);
  border: 1px solid rgba(95,199,224,0.22); background: rgba(95,199,224,0.06);
  color: var(--on-sky-muted); font-size: var(--text-sm); line-height: 1.6;
}
.gloss-note strong { color: var(--on-sky-strong); }
.gloss-toc { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 8px; padding: 0; list-style: none; }
.gloss-toc a {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.04em;
  text-decoration: none; color: var(--on-sky-muted);
  border: 1px solid var(--sky-line); border-radius: var(--radius-pill); padding: 8px 14px;
  transition: color var(--duration-fast), border-color var(--duration-fast);
}
.gloss-toc a:hover { color: var(--spectrum-sky); border-color: rgba(95,199,224,0.4); }
.gloss-group { margin-top: 40px; padding: 0; scroll-margin-top: 88px; }
.gloss-group > h2 { margin-top: 0; margin-bottom: 4px; }
.gloss-group__count { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.06em; color: var(--on-sky-faint); }

/* ── filter + expand-all toolbar ───────────────────────────── */
.gloss-tools { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 10px 0 2px; }
.gloss-filter {
  flex: 1 1 240px; min-height: 48px; padding: 0 18px;
  border-radius: var(--radius-pill); border: 1px solid var(--sky-line);
  background: rgba(17,26,46,0.5); color: var(--on-sky-strong);
  font-family: var(--font-body); font-size: var(--text-base);
}
.gloss-filter::placeholder { color: var(--on-sky-faint); }
.gloss-filter:focus { outline: none; border-color: var(--spectrum-sky); box-shadow: 0 0 0 3px rgba(95,199,224,0.18); }
.gloss-toggle {
  min-height: 48px; padding: 0 20px; border-radius: var(--radius-pill); cursor: pointer;
  border: 1px solid var(--sky-line); background: transparent; color: var(--on-sky-strong);
  font-family: var(--font-display); font-weight: 600; font-size: var(--text-sm);
  transition: border-color var(--duration-fast), color var(--duration-fast);
}
.gloss-toggle:hover { border-color: rgba(95,199,224,0.5); color: var(--spectrum-sky); }
.gloss-empty { color: var(--on-sky-muted); margin-top: 18px; }
.gloss-linkbtn { background: none; border: 0; padding: 0; cursor: pointer; color: var(--spectrum-sky); font: inherit; text-decoration: underline; text-underline-offset: 3px; }

/* ── term accordions (progressive disclosure) ──────────────── */
details.gloss-term {
  margin-top: 12px; border: 1px solid var(--sky-line); border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(24,35,61,0.5), rgba(11,18,32,0.5));
  overflow: hidden; transition: border-color var(--duration);
}
details.gloss-term:hover { border-color: rgba(199,213,250,0.22); }
details.gloss-term[open] { border-color: rgba(95,199,224,0.32); }
.gloss-term > summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 17px 22px; font-family: var(--font-display); font-weight: 600;
  font-size: var(--text-md); line-height: 1.3; color: #fff;
}
.gloss-term > summary::-webkit-details-marker { display: none; }
.gloss-term > summary:focus-visible { outline: 2px solid var(--spectrum-sky); outline-offset: -2px; border-radius: var(--radius-lg); }
.gloss-term__name { flex: 1; }
.gloss-term__sign { flex: none; width: 24px; height: 24px; position: relative; }
.gloss-term__sign::before, .gloss-term__sign::after {
  content: ""; position: absolute; left: 50%; top: 50%; background: var(--spectrum-sky);
  border-radius: 2px; transition: transform var(--duration) var(--ease-out);
}
.gloss-term__sign::before { width: 13px; height: 2px; transform: translate(-50%,-50%); }
.gloss-term__sign::after { width: 2px; height: 13px; transform: translate(-50%,-50%); }
.gloss-term[open] .gloss-term__sign::after { transform: translate(-50%,-50%) scaleY(0); }
.gloss-term__body { padding: 0 22px 22px; }
.gloss-part { margin: 0 0 14px; }
.gloss-part:first-child { margin-top: 2px; }
.gloss-part:last-child { margin-bottom: 0; }
.gloss-part__label {
  display: block; font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-sky-faint); margin-bottom: 5px;
}
.gloss-part p { margin: 0; color: var(--on-sky); }
.gloss-part--diff { border-left: 2px solid var(--spectrum-teal); padding-left: 16px; margin-top: 16px; }
.gloss-part--diff .gloss-part__label { color: var(--spectrum-teal); }
.gloss-part--diff p { color: var(--on-sky-strong); }
@media print {
  .gloss-toc, .gloss-tools, .gloss-term__sign { display: none !important; }
  details.gloss-term { border-color: #ccc !important; background: #fff !important; }
  details.gloss-term > .gloss-term__body { display: block !important; } /* print expanded */
  .gloss-term > summary { color: #111 !important; }
  .gloss-part p, .gloss-part--diff p { color: #222 !important; }
  .gloss-part__label { color: #555 !important; }
}

/* ── legacy variable compatibility ─────────────────────────────
   Re-skinned content carries a few inline color refs from the old
   design system (var(--ink), --cyan, --violet…). Map them to the
   expressive palette so nothing falls back to an unstyled color. */
.theme-expressive {
  --ink: var(--on-sky-strong);
  --ink-dim: var(--on-sky-muted);
  --ink-faint: var(--on-sky-faint);
  --cyan: var(--spectrum-sky);
  --violet: var(--spectrum-violet);
}