@import url('https://fonts.googleapis.com/css2?family=Zilla+Slab:wght@400;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --paper: #EEF0EA;
  --paper-card: #FBFBF7;
  --ink: #1E2A38;
  --ink-soft: #4A5568;
  --rule: #C9CFC0;
  --mustard: #C1892E;
  --teal: #3F6B5E;
  --teal-deep: #2C4E44;
  --red-stamp: #A23E2F;
  --radius: 3px;
  --max: 880px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

a { color: var(--teal-deep); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--mustard); outline-offset: 2px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
header.site {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  font-family: 'Zilla Slab', serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand .tab {
  display: inline-block;
  width: 10px;
  height: 18px;
  background: var(--teal);
  border-radius: 1px;
}
nav.site-nav { display: flex; gap: 28px; }
nav.site-nav a {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 14px;
  text-decoration: none;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
nav.site-nav a:hover { color: var(--teal-deep); }

/* ---------- Call-number labels (used for real sequential sections) ---------- */
.call-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--teal-deep);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  display: block;
}

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 56px;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 760px) {
  .hero .wrap { grid-template-columns: 1fr; }
}
.hero h1 {
  font-family: 'Zilla Slab', serif;
  font-weight: 700;
  font-size: 44px;
  line-height: 1.12;
  margin: 0 0 18px;
  color: var(--ink);
}
.hero p.lede {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 28px;
}
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 15px;
  padding: 13px 22px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--teal-deep); color: #fff; }
.btn-primary:hover { background: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }

/* ---------- Citation card (signature element) ---------- */
.card-catalog {
  position: relative;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 28px 24px 22px;
  box-shadow: 0 1px 0 var(--rule), 0 10px 24px -18px rgba(30,42,56,0.4);
  font-family: 'JetBrains Mono', monospace;
}
.card-catalog::before {
  content: "";
  position: absolute;
  top: 18px;
  left: -1px;
  width: 22px;
  height: 34px;
  background: var(--teal);
  border-radius: 0 3px 3px 0;
}
.card-catalog .punch {
  position: absolute;
  top: 22px;
  right: 20px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--rule);
}
.card-catalog .label {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--teal-deep);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.card-catalog .citation-text {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink);
}
.card-catalog .leader {
  border-top: 1px dotted var(--rule);
  margin-top: 16px;
  padding-top: 10px;
  font-size: 11px;
  color: var(--ink-soft);
  display: flex;
  justify-content: space-between;
}

/* ---------- Sections ---------- */
section { padding: 56px 0; border-top: 1px solid var(--rule); }
section h2 {
  font-family: 'Zilla Slab', serif;
  font-weight: 700;
  font-size: 30px;
  margin: 0 0 30px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }
.step {
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 22px 20px;
}
.step .call-number { margin-bottom: 14px; }
.step h3 {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  margin: 0 0 8px;
}
.step p { font-size: 14.5px; color: var(--ink-soft); margin: 0; }

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 760px) { .pricing-grid { grid-template-columns: 1fr; } }
.plan {
  position: relative;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.plan::before {
  content: "";
  position: absolute;
  top: 20px;
  left: -1px;
  width: 22px;
  height: 34px;
  border-radius: 0 3px 3px 0;
}
.plan.free::before { background: var(--rule); }
.plan.pro::before { background: var(--mustard); }
.plan .stamp {
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 8px;
  border: 1px solid currentColor;
  border-radius: 2px;
  transform: rotate(3deg);
}
.plan.pro .stamp { color: var(--mustard); }
.plan.free .stamp { color: var(--ink-soft); }
.plan h3 {
  font-family: 'Zilla Slab', serif;
  font-size: 22px;
  margin: 0 0 4px;
}
.plan .price {
  font-family: 'JetBrains Mono', monospace;
  font-size: 28px;
  color: var(--ink);
  margin: 10px 0 18px;
}
.plan .price span { font-size: 14px; color: var(--ink-soft); }
.plan ul { list-style: none; margin: 0; padding: 0; }
.plan li {
  font-size: 14.5px;
  color: var(--ink-soft);
  padding: 8px 0;
  border-top: 1px dotted var(--rule);
}
.plan li:first-child { border-top: none; }
.plan li::before { content: "— "; color: var(--teal); }

/* ---------- Footer ---------- */
footer.site {
  border-top: 1px solid var(--rule);
  padding: 32px 0 48px;
}
footer.site .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
footer.site nav { display: flex; gap: 22px; }
footer.site nav a {
  font-size: 13.5px;
  color: var(--ink-soft);
  text-decoration: none;
}
footer.site nav a:hover { color: var(--teal-deep); }
footer.site .fine {
  font-size: 13px;
  color: var(--ink-soft);
  font-family: 'JetBrains Mono', monospace;
}

/* ---------- Policy pages ---------- */
.policy {
  padding: 56px 0 80px;
}
.policy h1 {
  font-family: 'Zilla Slab', serif;
  font-size: 34px;
  margin: 0 0 6px;
}
.policy .updated {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 36px;
  display: block;
}
.policy h2 {
  font-family: 'Zilla Slab', serif;
  font-size: 20px;
  margin: 32px 0 10px;
}
.policy p, .policy li { color: var(--ink-soft); font-size: 15.5px; }
.policy ul { padding-left: 20px; }