/* Bell AI Fellowship — shared family for track pages (fall 2026)
   One system, per-track accents: each page sets --accent / --accent-soft
   and may override --display-font on headings. */

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { width: 100%; overflow-x: hidden; -webkit-text-size-adjust: 100%; }

:root {
  --paper: #f7f3ea;
  --panel: #efeade;
  --ink: #1b1814;
  --ink-soft: #4a453c;
  --ink-faint: #8a8378;
  --rule: #d9d2c2;
  --accent: #1a1a1a;        /* per-page override */
  --accent-soft: #555;      /* per-page override */
  --serif: 'Newsreader', 'Iowan Old Style', Georgia, 'Times New Roman', serif;
  --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --display-font: var(--serif);
}

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  font-size: 17px;
}
.container { max-width: 700px; margin: 0 auto; padding: 0 28px; }

a { color: var(--accent); text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); }
a:hover { border-bottom-color: var(--accent); }

/* ---- Top nav: fellowship identity + paths (shared with the homepage) ---- */
.band {
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  padding: 0 40px;
}
.band-inner {
  max-width: 1296px; margin: 0 auto;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  min-height: 84px; padding: 14px 0;
}
.band a { border-bottom: none; }
.band-logo { width: 30px; height: auto; display: block; }
.band-brand {
  font-family: var(--sans); font-size: 12px; font-weight: 600;
  color: var(--ink); letter-spacing: 0.18em; text-transform: uppercase;
}
.band-tracks { margin-left: auto; display: flex; gap: 28px; align-items: center; flex-wrap: wrap; }
.band-tracks a {
  font-family: var(--sans); font-size: 15px; font-weight: 500;
  color: var(--ink); letter-spacing: 0; text-transform: none;
}
.band-tracks a:hover { text-decoration: underline; text-underline-offset: 3px; }
.band-tracks a.current { color: var(--accent); }
.band-tracks a.band-apply {
  background: var(--ink); color: var(--paper);
  padding: 11px 22px; font-size: 13px; font-weight: 600; letter-spacing: 0.02em;
}
.band-tracks a.band-apply:hover { text-decoration: none; filter: brightness(1.25); }
@media (max-width: 1100px) { .band { padding: 0 24px; } }
@media (max-width: 760px) {
  .band-tracks { margin-left: 0; gap: 14px 18px; }
  .band-tracks a { font-size: 14px; }
}

/* ---- Header ---- */
header.page { padding: 76px 0 48px; border-bottom: 1px solid var(--rule); }
.eyebrow {
  font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent-soft); margin-bottom: 22px; font-weight: 600;
}
h1 {
  font-family: var(--display-font);
  font-size: clamp(2.5rem, 6.5vw, 3.6rem);
  font-weight: 300; line-height: 1.08; letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.subtitle {
  font-family: var(--serif); font-style: italic;
  font-size: 1.25rem; color: var(--accent); margin-bottom: 26px;
}
.standfirst { font-size: 1.08rem; color: var(--ink-soft); max-width: 560px; }

/* ---- Sections ---- */
section { padding: 52px 0; border-bottom: 1px solid var(--rule); }
section:last-of-type { border-bottom: none; }
h2 {
  font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent-soft); margin-bottom: 22px; font-weight: 600;
}
h3 { font-family: var(--display-font); font-size: 1.25rem; font-weight: 600; margin-bottom: 8px; }
p { color: var(--ink-soft); margin-bottom: 16px; max-width: 620px; }
p.lede { font-size: 1.12rem; color: var(--ink); }
strong { color: var(--ink); font-weight: 600; }
em.accent { color: var(--accent); font-style: normal; }

blockquote {
  font-family: var(--serif); font-style: italic;
  font-size: 1.3rem; line-height: 1.55; color: var(--ink);
  border-left: 3px solid var(--accent);
  padding: 6px 0 6px 22px; margin: 28px 0;
}

/* ---- Lists ---- */
.not-list, .yes-list, .rules { list-style: none; margin: 18px 0; }
.not-list li, .yes-list li, .rules li {
  padding: 7px 0 7px 28px; position: relative; color: var(--ink-soft);
}
.not-list li::before { content: "✗"; position: absolute; left: 0; color: var(--ink-faint); }
.yes-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); }
.rules li::before { content: "—"; position: absolute; left: 0; color: var(--accent); }

/* ---- Numbered feature rows (questions, run order, cases) ---- */
.rows { border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; margin-top: 8px; background: #fff; }
.row {
  display: grid; grid-template-columns: 64px 1fr; gap: 16px;
  padding: 18px 20px; border-bottom: 1px solid var(--rule);
}
.row:last-child { border-bottom: none; }
.row-num {
  font-family: var(--mono); font-size: 0.8rem; color: var(--accent);
  padding-top: 3px; letter-spacing: 0.05em;
}
.row-title { color: var(--ink); font-weight: 600; }
.row-body { color: var(--ink-soft); font-size: 0.95rem; margin-top: 3px; }

/* ---- Section (cohort) cards ---- */
.sections { display: grid; gap: 14px; margin-top: 10px; }
.sect {
  border: 1px solid var(--rule); border-radius: 6px; background: #fff;
  padding: 18px 20px;
}
.sect.waitlist { background: transparent; border-style: dashed; }
.sect-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.sect-name { font-weight: 700; color: var(--ink); font-size: 1.05rem; }
.badge {
  font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.1em;
  padding: 3px 8px; border-radius: 3px; font-weight: 700;
}
.badge.open { background: var(--accent); color: #fff; }
.badge.wait { background: transparent; color: var(--ink-faint); border: 1px solid var(--ink-faint); }
.sect-when { color: var(--ink); margin: 0 0 4px; }
.sect-meta { color: var(--ink-soft); font-size: 0.92rem; margin: 0; }
.sect-dates {
  color: var(--ink-faint); font-size: 0.82rem; margin: 8px 0 0;
  font-family: var(--mono); letter-spacing: -0.01em;
}

/* ---- Facts grid ---- */
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 32px; margin-top: 8px; }
.fact dt {
  color: var(--accent-soft); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.1em; margin-bottom: 4px; font-weight: 600;
}
.fact dd { color: var(--ink); }

/* ---- CTA ---- */
.cta { padding: 56px 0 72px; }
.cta p.lede { margin-bottom: 26px; }
.btn {
  display: inline-block;
  background: var(--accent); color: #fff;
  font-weight: 600; font-size: 1rem;
  padding: 15px 30px; border-radius: 5px; border-bottom: none;
  letter-spacing: 0.01em;
}
.btn:hover { filter: brightness(1.15); border-bottom: none; }
.cta-note { margin-top: 16px; font-size: 0.85rem; color: var(--ink-faint); max-width: 480px; }

footer.page {
  padding: 28px 0 60px; font-size: 0.8rem; color: var(--ink-faint);
  border-top: 1px solid var(--rule);
}

@media (max-width: 640px) {
  .facts { grid-template-columns: 1fr; }
  .row { grid-template-columns: 44px 1fr; }
}

/* Header apply button */
.btn-top { margin-top: 26px; }