:root {
  --ink: #0f172a;
  --ink-soft: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --paper: #ffffff;
  --paper-2: #f8fafc;
  --paper-3: #f1f5f9;
  --water: #0ea5e9;
  --water-dark: #0369a1;
  --water-deep: #0c4a6e;
  --amber: #f59e0b;
  --rose: #e11d48;
  --max: 1120px;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(15,23,42,0.04), 0 6px 18px rgba(15,23,42,0.06);
  --shadow-lg: 0 4px 12px rgba(15,23,42,0.06), 0 20px 40px rgba(15,23,42,0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--water-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* Archive banner */
.archive-banner {
  background: #fef3c7;
  color: #78350f;
  border-bottom: 1px solid #fde68a;
  font-size: 13px;
  text-align: center;
  padding: 8px 16px;
}
.archive-banner strong { color: #92400e; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--ink);
  font-size: 17px;
  letter-spacing: -0.01em;
}
.brand .drop {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(160deg, #7dd3fc, #0369a1);
  display: inline-grid; place-items: center;
  color: #fff; font-size: 16px;
}
.brand small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
nav.primary {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}
nav.primary a {
  color: var(--ink-soft);
  font-size: 14.5px;
  padding: 8px 12px;
  border-radius: 8px;
  font-weight: 500;
}
nav.primary a:hover {
  background: var(--paper-3);
  text-decoration: none;
}
nav.primary a.active {
  color: var(--water-dark);
  background: #e0f2fe;
}
.search-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-2);
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}
.search-btn kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--ink-soft);
}
.menu-toggle { display: none; }

/* Hero */
.hero {
  padding: 48px 0 36px;
  background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
}
.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4.4vw, 44px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink);
}
.hero .sub {
  font-size: clamp(16px, 1.9vw, 19px);
  color: var(--ink-soft);
  max-width: 720px;
  margin: 0;
}
.hero .eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rose);
  font-weight: 700;
  background: #fee2e2;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 16px;
}

/* Sections */
section { padding: 56px 0; }
section.tight { padding: 36px 0; }
section + section { border-top: 1px solid var(--line); }
.section-head { margin-bottom: 28px; }
.section-head h2 {
  margin: 0 0 8px;
  font-size: clamp(22px, 2.8vw, 30px);
  letter-spacing: -0.015em;
  color: var(--ink);
}
.section-head p { margin: 0; color: var(--muted); max-width: 680px; }

/* Card grids */
.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: #cbd5e1; }
.card .media { aspect-ratio: 8/5; background: var(--paper-3); overflow: hidden; }
.card .media img, .card .media svg { width: 100%; height: 100%; object-fit: cover; }
.card .body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }
.card .eyebrow {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--water-dark);
  margin-bottom: 6px;
}
.card h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.01em; }
.card p { margin: 0 0 14px; color: var(--ink-soft); font-size: 14.5px; }
.card .more {
  margin-top: auto;
  font-weight: 600;
  font-size: 14px;
  color: var(--water-dark);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Icon cards (resources) */
.icon-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.icon-card .icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: #e0f2fe;
  display: grid; place-items: center;
  font-size: 22px;
}
.icon-card h3 { margin: 0; font-size: 17px; }
.icon-card p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.icon-card ul {
  margin: 6px 0 0; padding: 0; list-style: none;
  font-size: 14px;
}
.icon-card ul li {
  padding: 6px 0;
  border-top: 1px dashed var(--line);
  color: var(--ink-soft);
}
.icon-card ul li:first-child { border-top: none; }
.icon-card .more { color: var(--water-dark); font-weight: 600; font-size: 13.5px; margin-top: 8px; }

/* Stat banner */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  background: linear-gradient(120deg, #0c4a6e, #0369a1);
  color: #fff;
  border-radius: var(--radius);
  padding: 28px;
}
.stat .n {
  font-size: 30px; font-weight: 800; letter-spacing: -0.02em;
  color: #fff;
}
.stat .lbl {
  color: #bae6fd;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Generic content */
.prose h3 {
  margin: 28px 0 8px;
  font-size: 19px;
  letter-spacing: -0.01em;
}
.prose p { color: var(--ink-soft); }
.prose ul { color: var(--ink-soft); padding-left: 22px; }
.prose ul li { margin: 4px 0; }
.callout {
  background: #f0f9ff;
  border-left: 3px solid var(--water);
  padding: 14px 18px;
  border-radius: 6px;
  color: var(--ink-soft);
  margin: 16px 0;
}
.notice {
  background: #fef3c7;
  border: 1px solid #fde68a;
  color: #78350f;
  padding: 14px 18px;
  border-radius: 8px;
  margin: 0 0 28px;
  font-size: 14.5px;
}

.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.split .panel {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.split .panel h3 { margin: 0 0 10px; font-size: 17px; }
.split .panel ul { margin: 0; padding-left: 20px; color: var(--ink-soft); font-size: 14.5px; }
.split .panel ul li { margin: 5px 0; }

/* Timeline */
.timeline { position: relative; padding-left: 22px; border-left: 2px solid #cbd5e1; }
.timeline .row { padding: 6px 0 14px; position: relative; }
.timeline .row::before {
  content: ""; position: absolute; left: -30px; top: 11px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--water); border: 2px solid #fff; box-shadow: 0 0 0 2px var(--water);
}
.timeline .row strong { display: block; font-size: 14.5px; }
.timeline .row span { color: var(--muted); font-size: 13px; }

/* Footer */
footer.site-footer {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  padding: 36px 0 28px;
  margin-top: 32px;
}
footer.site-footer .cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
}
footer.site-footer h4 {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}
footer.site-footer ul { list-style: none; padding: 0; margin: 0; }
footer.site-footer ul li { padding: 4px 0; font-size: 14px; }
footer.site-footer ul li a { color: var(--ink-soft); }
footer.site-footer .legal {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  color: var(--muted); font-size: 13px;
}

/* Search modal */
.search-modal {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(15,23,42,0.45);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 80px 16px 16px;
}
.search-modal.open { display: flex; }
.search-modal .panel {
  width: 100%;
  max-width: 580px;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.search-modal input {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 18px 22px;
  font-size: 16px;
  outline: none;
  font-family: inherit;
}
.search-modal .results { max-height: 60vh; overflow: auto; }
.search-modal .results a {
  display: block;
  padding: 12px 22px;
  border-bottom: 1px solid var(--paper-3);
  color: var(--ink);
}
.search-modal .results a:hover { background: var(--paper-2); text-decoration: none; }
.search-modal .results .title { font-weight: 600; font-size: 14.5px; }
.search-modal .results .desc { font-size: 13px; color: var(--muted); margin-top: 2px; }
.search-modal .empty { padding: 28px 22px; color: var(--muted); font-size: 14px; text-align: center; }
.search-modal .hint {
  padding: 10px 22px;
  font-size: 12px;
  color: var(--muted);
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  display: flex; gap: 12px;
}
.search-modal .hint kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
}

/* Responsive */
@media (max-width: 720px) {
  .menu-toggle {
    display: inline-grid; place-items: center;
    margin-left: auto;
    width: 36px; height: 36px;
    border: 1px solid var(--line); background: #fff; border-radius: 8px;
    cursor: pointer;
  }
  nav.primary {
    position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 12px 12px;
    display: none;
  }
  nav.primary.open { display: flex; }
  nav.primary a { padding: 10px 12px; }
  .search-btn span { display: none; }
  .search-btn { padding: 7px 8px; }
  footer.site-footer .cols { grid-template-columns: 1fr; }
}