/* cjdbio.org: GASH identity (see src/head.html at the repo root), DINOT served from /fonts/ (not in git). */
@font-face { font-family: 'DINOT'; src: url(fonts/DINOT-Regular.ttf) format('truetype'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'DINOT'; src: url(fonts/DINOT-Medium.ttf) format('truetype'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'DINOT'; src: url(fonts/DINOT-Bold.ttf) format('truetype'); font-weight: 700; font-style: normal; font-display: swap; }

:root {
  --bg: #FFFFFF;
  --surface: #F5F7FA;
  --line: #CDD5E0;
  --fg: #1A2233;
  --muted: #4A5568;
  --faint: #8896AB;
  --blue: #2878B5;
  --blue-deep: #1F5F91;
  --orange: #FF8C3A;
  --orange-ink: #B4530F;
  --blue-tint: rgba(40, 120, 181, 0.10);
  --orange-tint: rgba(255, 140, 58, 0.14);
  --hero-fg: #FFFFFF;
  --font: 'DINOT', 'DIN Next', 'Bahnschrift', 'Helvetica Neue', Arial, sans-serif;
  --wide: 72rem;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1A0A1E; --surface: #2D0B2E; --line: #4E2652; --fg: #FFFFFF; --muted: rgba(255,255,255,0.74); --faint: rgba(255,255,255,0.5);
    --blue: #3A9EE8; --blue-deep: #2D0B2E; --orange: #FFB84D; --orange-ink: #FFB84D; --blue-tint: rgba(58,158,232,0.16); --orange-tint: rgba(255,184,77,0.14);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font); font-size: 17px; line-height: 1.6; }
img, svg { max-width: 100%; }
a { color: var(--blue); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--orange); outline-offset: 2px; border-radius: 2px; }
h1, h2, h3 { line-height: 1.15; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(32px, 5.5vw, 52px); font-weight: 700; }
h2 { font-size: clamp(24px, 3.4vw, 32px); font-weight: 700; color: var(--blue); }
h3 { font-size: 19px; font-weight: 700; }
p { margin: 0; max-width: 68ch; }
ul, ol { margin: 0; padding-left: 1.3em; display: grid; gap: 8px; max-width: 68ch; }
strong { font-weight: 700; }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--bg); padding: 8px 12px; z-index: 10; }
.wrap { max-width: var(--wide); margin: 0 auto; padding-inline: 20px; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--fg); }
.brand img { width: 38px; height: auto; }
.brand-name { font-size: 24px; font-weight: 700; letter-spacing: -0.01em; line-height: 1; }
.brand-name span { color: var(--blue); }
.brand-sub { display: block; font-size: 11px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-top: 4px; }
.nav { display: flex; flex-wrap: wrap; gap: 4px 22px; font-size: 15px; font-weight: 500; }
.nav a { color: var(--fg); text-decoration: none; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--blue); }
.nav a[aria-current="page"] { color: var(--blue); border-bottom-color: var(--orange); }
.nav-toggle { display: none; }

/* Hero */
.hero { background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%); color: var(--hero-fg); }
.hero .wrap { padding-block: 72px 80px; display: grid; gap: 20px; }
.hero .eyebrow { color: #FFD3B0; }
.hero p.lead { font-size: clamp(18px, 2.2vw, 21px); max-width: 52ch; color: rgba(255,255,255,0.92); }
.hero-small .wrap { padding-block: 48px 52px; }
.eyebrow { font-size: 12px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--blue); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.btn { display: inline-block; font-weight: 700; font-size: 16px; text-decoration: none; padding: 12px 22px; border-radius: 999px; border: 2px solid transparent; }
.btn-primary { background: var(--orange); color: #1A2233; }
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { border-color: rgba(255,255,255,0.8); color: #FFFFFF; }
.btn-ghost:hover { background: rgba(255,255,255,0.12); }
.btn-blue { background: var(--blue); color: #FFFFFF; }

/* Sections */
main { display: block; }
.band { padding-block: 64px; }
.band.alt { background: var(--surface); border-block: 1px solid var(--line); }
.band .wrap { display: grid; gap: 28px; }
.section-head { display: grid; gap: 10px; }
.section-head p { color: var(--muted); font-size: 18px; }
.prose { display: grid; gap: 16px; max-width: 46rem; }
.prose h2 { margin-top: 24px; }
.prose h3 { margin-top: 8px; }

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 24px; display: grid; gap: 12px; align-content: start; }
.band:not(.alt) .card { background: var(--surface); }
.card .tag { font-size: 12px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--orange-ink); }
.card p { color: var(--muted); }
.card .more { font-weight: 700; text-decoration: none; margin-top: auto; }
.card .more::after { content: " →"; }

.stats { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.stat { border-top: 3px solid var(--orange); padding-top: 14px; display: grid; gap: 4px; }
.stat b { font-size: 40px; font-weight: 700; color: var(--blue); line-height: 1; font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: 15px; }

.split { display: grid; gap: 40px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); align-items: start; }

.steps { list-style: none; padding: 0; counter-reset: step; gap: 18px; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 40px 1fr; gap: 14px; }
.steps li::before { content: counter(step); width: 36px; height: 36px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 700; display: grid; place-items: center; }

.callout { border-left: 4px solid var(--orange); background: var(--orange-tint); padding: 16px 20px; border-radius: 0 10px 10px 0; display: grid; gap: 6px; max-width: 46rem; }
.callout p { max-width: none; }
.note { font-size: 15px; color: var(--muted); }

.news { list-style: none; padding: 0; gap: 0; max-width: 52rem; }
.news li { display: grid; grid-template-columns: 140px 1fr; gap: 20px; padding-block: 20px; border-bottom: 1px solid var(--line); }
.news li:first-child { border-top: 1px solid var(--line); }
.news time { font-weight: 500; color: var(--orange-ink); font-variant-numeric: tabular-nums; }
.news h3 { margin-bottom: 6px; }
.news p { color: var(--muted); }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; max-width: 52rem; }
table { border-collapse: collapse; width: 100%; font-size: 15px; line-height: 1.45; }
th, td { text-align: left; vertical-align: top; padding: 12px 16px; border-bottom: 1px solid var(--line); }
tr:last-child td { border-bottom: 0; }
th { font-weight: 500; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); background: var(--surface); }
td:first-child { font-weight: 500; }

/* Footer */
.site-footer { background: var(--fg); color: rgba(255,255,255,0.82); font-size: 15px; }
.site-footer .wrap { padding-block: 48px 32px; display: grid; gap: 32px; }
.footer-cols { display: grid; gap: 28px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.site-footer h4 { margin: 0 0 10px; font-size: 12px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: #FFB37D; }
.site-footer ul { list-style: none; padding: 0; gap: 6px; }
.site-footer a { color: #FFFFFF; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer .fine { border-top: 1px solid rgba(255,255,255,0.18); padding-top: 20px; font-size: 13px; color: rgba(255,255,255,0.62); display: grid; gap: 6px; }
.site-footer .fine p { max-width: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .site-footer { background: #0F0512; border-top: 1px solid var(--line); } }

@media (max-width: 720px) {
  body { font-size: 16px; }
  .site-header { position: static; }
  .js .nav-toggle { display: inline-block; font: inherit; font-weight: 500; background: none; border: 1px solid var(--line); color: var(--fg); border-radius: 8px; padding: 6px 12px; }
  .nav { width: 100%; flex-direction: column; gap: 0; padding-bottom: 12px; }
  .js .nav { display: none; }
  .js .nav.open { display: flex; }
  .nav a { padding: 10px 0; border-bottom: 1px solid var(--line); }
  .nav a[aria-current="page"] { border-bottom-color: var(--line); }
  .hero .wrap { padding-block: 48px 56px; }
  .band { padding-block: 44px; }
  .news li { grid-template-columns: 1fr; gap: 4px; }
}