:root {
  --ink: #0B1220;
  --ink-raised: #121B2E;
  --paper: #EDEFF3;
  --paper-dim: #B7BEC9;
  --gold: #C9A227;
  --teal: #2FA8A0;
  --slate: #5A6472;
  --serif: "IBM Plex Serif", Georgia, serif;
  --sans: "IBM Plex Sans", -apple-system, Segoe UI, sans-serif;
  --mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 32px;
}

a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }

/* Header */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.wordmark {
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .02em;
  color: var(--paper);
}
.wordmark:hover { text-decoration: none; color: var(--gold); }
.site-header nav a {
  color: var(--paper-dim);
  margin-left: 28px;
  font-size: .92rem;
}
.site-header nav a.active, .site-header nav a:hover { color: var(--paper); text-decoration: none; }

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 72px 0 56px;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 2.5rem;
  line-height: 1.22;
  margin: 0 0 20px;
  max-width: 15ch;
}
.hero .lede {
  font-size: 1.08rem;
  color: var(--paper-dim);
  max-width: 46ch;
  margin: 0 0 32px;
}
.hero-art { animation: rise .7s ease-out both; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .hero-art { animation: none; } }

.cta-row { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 3px;
  font-size: .95rem;
}
.btn-primary { background: var(--gold); color: var(--ink); font-weight: 500; }
.btn-primary:hover { background: #dbb531; text-decoration: none; }
.btn-secondary { border: 1px solid var(--slate); color: var(--paper); }
.btn-secondary:hover { border-color: var(--paper); text-decoration: none; }

/* Sections */
section { padding: 56px 0; border-top: 1px solid rgba(255,255,255,.08); }
section h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.5rem;
  margin: 0 0 28px;
  max-width: 30ch;
}
.section-lede { color: var(--paper-dim); max-width: 60ch; margin: -14px 0 32px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }

.card h3 { font-size: 1.02rem; margin: 0 0 8px; font-weight: 500; }
.card p { color: var(--paper-dim); margin: 0; font-size: .95rem; }

.steps { counter-reset: step; }
.step { display: flex; gap: 20px; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.08); }
.step:first-child { border-top: none; }
.step .num {
  counter-increment: step;
  font-family: var(--mono);
  color: var(--gold);
  font-size: .9rem;
  padding-top: 2px;
  min-width: 2ch;
}
.step .num::before { content: counter(step, decimal-leading-zero); }
.step h3 { margin: 0 0 6px; font-size: 1.02rem; font-weight: 500; }
.step p { margin: 0; color: var(--paper-dim); font-size: .95rem; }

.kicker-list { list-style: none; margin: 0; padding: 0; color: var(--paper-dim); }
.kicker-list li { padding: 10px 0; border-top: 1px solid rgba(255,255,255,.08); }
.kicker-list li:first-child { border-top: none; }
.kicker-list strong { color: var(--paper); font-weight: 500; }
.kicker-list .post-excerpt { margin: 6px 0 4px; max-width: 70ch; color: var(--paper-dim); font-size: .95rem; }
.kicker-list .post-more { font-size: .9rem; color: var(--teal); }

/* Example page */
.figure { margin: 0 0 48px; }
.figure img { width: 100%; height: auto; border-radius: 4px; border: 1px solid rgba(255,255,255,.08); }
.figure figcaption { margin-top: 14px; color: var(--paper-dim); font-size: .92rem; max-width: 62ch; }
.figure figcaption strong { color: var(--paper); }

.glossary dt { font-family: var(--mono); font-size: .85rem; color: var(--teal); margin-top: 18px; }
.glossary dd { margin: 4px 0 0; color: var(--paper-dim); }

.callout {
  background: var(--ink-raised);
  border-left: 2px solid var(--gold);
  padding: 20px 24px;
  border-radius: 0 4px 4px 0;
  color: var(--paper-dim);
  font-size: .95rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 32px 0 48px;
  color: var(--slate);
  font-size: .85rem;
}
.site-footer p { margin: 4px 0; }
.site-footer a { color: var(--slate); }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding-top: 48px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; gap: 28px; }
  .hero h1 { font-size: 2rem; }
}