:root {
  --ink: #16211c;
  --muted: #5b6b62;
  --paper: #f4f6f3;
  --card: #ffffff;
  --line: #d8dfd9;
  --accent: #235f45;
  --accent-2: #dfeee7;
  --accent-3: #edf5f0;
  --warn: #fcf3d8;
  --shadow: 0 16px 34px rgba(21, 44, 31, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

a {
  color: var(--accent);
}

a:hover {
  text-decoration-thickness: 2px;
}

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  padding: 64px 0 42px;
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.18), transparent 32%),
    linear-gradient(135deg, #133225, #225c42 62%, #2f7b59);
  color: #f7fbf8;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 0.97;
  letter-spacing: -0.04em;
}

.hero p {
  max-width: 760px;
  margin: 0;
  font-size: 1.08rem;
  color: #e3f1e9;
}

.hero-actions,
.hero-meta,
.nav-links,
.download-list,
.library-actions,
.filter-row,
.record-flags,
.record-links,
.record-meta,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions,
.hero-meta {
  margin-top: 22px;
}

.pill,
.status-pill,
.type-pill,
.dup-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 6px 11px;
  font-size: 0.88rem;
  border: 1px solid transparent;
}

.hero .pill {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.09);
  color: #eef7f2;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 15px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: #f6fbf8;
  color: #16412d;
  text-decoration: none;
  font-weight: 700;
}

.button.secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.32);
  color: #f6fbf8;
}

.button.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
}

.nav-links {
  padding: 13px 0;
  overflow: auto;
}

.nav-links a {
  white-space: nowrap;
  text-decoration: none;
  color: #234936;
  font-weight: 650;
}

main {
  padding: 36px 0 72px;
}

section {
  margin-bottom: 40px;
}

section[id] {
  scroll-margin-top: 90px;
}

h2 {
  margin: 0 0 14px;
  font-size: 1.9rem;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.section-intro,
.small,
.meta-note,
.field-label,
.record-kicker,
.footer-note {
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.card,
.record-card,
.change-card,
.placeholder-card,
.summary-card,
.timeline-card,
.lens-card,
.library-shell,
.callout,
.summary-box,
.stat-card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.card,
.change-card,
.placeholder-card,
.summary-card,
.timeline-card,
.lens-card,
.callout,
.summary-box,
.stat-card {
  padding: 20px;
}

.stat-card strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
  color: var(--accent);
}

.callout {
  background: linear-gradient(180deg, #fff9e6, var(--warn));
}

.callout p:last-child,
.card p:last-child,
.change-card p:last-child,
.placeholder-card p:last-child,
.summary-card p:last-child,
.timeline-card p:last-child,
.lens-card p:last-child,
.summary-box p:last-child {
  margin-bottom: 0;
}

.download-list a {
  text-decoration: none;
}

.summary-card h3,
.summary-prose h3 {
  margin-top: 0;
}

.summary-card .record-flags {
  margin-bottom: 12px;
}

.summary-prose {
  display: grid;
  gap: 18px;
}

.summary-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 3px solid #bfd5c6;
}

.timeline li {
  position: relative;
  padding: 0 0 22px 22px;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--accent);
}

.timeline strong {
  display: block;
}

.library-shell {
  padding: 22px;
}

.filter-row {
  margin: 18px 0 16px;
}

.filter {
  display: grid;
  gap: 6px;
  min-width: 180px;
}

.filter label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
}

.filter select {
  min-height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  padding: 0 12px;
  background: #fff;
  color: var(--ink);
}

.record-list {
  display: grid;
  gap: 16px;
}

.record-card {
  padding: 20px;
}

.record-kicker {
  display: block;
  margin-bottom: 10px;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.record-card h3 {
  font-size: 1.2rem;
}

.status-pill {
  background: #eef5f0;
  border-color: #d5e5da;
  color: #29573f;
}

.status-current {
  background: #e3f4ea;
  border-color: #b6dbc2;
}

.status-historical {
  background: #f1f3f2;
  border-color: #dde2df;
}

.status-superseded {
  background: #fff1e2;
  border-color: #f0d2aa;
}

.status-unknown {
  background: #efeafb;
  border-color: #d8cbf3;
}

.placeholder-card {
  border-style: dashed;
  background: #fafafb;
}

.type-pill {
  background: var(--accent-3);
  border-color: #d6e6dd;
}

.dup-pill {
  background: #f8f7fb;
  border-color: #e2deef;
  color: #534b71;
}

.record-summary {
  margin: 12px 0;
}

.record-meta {
  gap: 18px;
  margin: 14px 0;
}

.record-meta div {
  min-width: 110px;
}

.field-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.record-links {
  margin-top: 14px;
  align-items: center;
}

.record-links a {
  font-weight: 650;
}

.record-links .source-pair {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.record-links .source-pair span {
  color: var(--muted);
}

.empty-state {
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 14px;
  background: #fbfcfb;
  color: var(--muted);
}

.summary-box code {
  word-break: break-all;
}

footer {
  border-top: 1px solid var(--line);
  padding: 26px 0 42px;
  color: var(--muted);
}

@media (max-width: 720px) {
  .hero {
    padding-top: 52px;
  }

  main {
    padding-top: 28px;
  }

  .record-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}