:root {
  --bg: #f7f4ee;
  --bg-strong: #e8dcc7;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --text: #13243b;
  --muted: #4e6077;
  --accent: #0f5b8d;
  --accent-strong: #0a3f62;
  --line: rgba(19, 36, 59, 0.12);
  --shadow: 0 20px 50px rgba(15, 38, 66, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 91, 141, 0.12), transparent 35%),
    radial-gradient(circle at right 15% top 10%, rgba(196, 154, 69, 0.16), transparent 30%),
    linear-gradient(180deg, #fbf8f2 0%, var(--bg) 100%);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.65;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(19, 36, 59, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 36, 59, 0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 80%);
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.14em;
}

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

img {
  max-width: 100%;
}

.site-shell {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 24px 0 14px;
}

.brand {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.96rem;
}

.hero,
.card,
.panel,
.source-list,
.story,
.toc,
.status-box {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero {
  border-radius: var(--radius-lg);
  padding: clamp(28px, 6vw, 58px);
  overflow: hidden;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 91, 141, 0.18), transparent 68%);
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.84rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

h1,
h2,
h3 {
  line-height: 1.08;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.6rem, 7vw, 5rem);
  max-width: 11ch;
}

h2 {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
}

h3 {
  font-size: 1.25rem;
}

p,
li {
  color: var(--muted);
  font-size: 1.02rem;
}

.lede {
  max-width: 62ch;
  font-size: 1.08rem;
}

.hero-actions,
.card-grid,
.fact-grid,
.article-grid,
.qa-grid,
.toc-grid {
  display: grid;
  gap: 18px;
}

.hero-actions {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 30px;
}

.button,
.button-muted {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.button {
  background: var(--accent);
  color: #ffffff;
}

.button:hover {
  background: var(--accent-strong);
  color: #ffffff;
  transform: translateY(-1px);
}

.button-muted {
  background: rgba(15, 91, 141, 0.08);
  color: var(--accent-strong);
}

.button-muted:hover {
  background: rgba(15, 91, 141, 0.14);
  color: var(--accent-strong);
  transform: translateY(-1px);
}

main {
  padding-bottom: 56px;
}

section {
  margin-top: 28px;
}

.card-grid,
.article-grid,
.qa-grid,
.toc-grid {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.fact-grid {
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.card,
.panel,
.story,
.source-list,
.toc,
.status-box {
  border-radius: var(--radius-md);
  padding: 24px;
}

.fact {
  background: rgba(15, 91, 141, 0.07);
  border: 1px solid rgba(15, 91, 141, 0.1);
  border-radius: 18px;
  padding: 18px;
}

.fact strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(15, 91, 141, 0.08);
  color: var(--accent-strong);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 18px;
  font-size: 0.92rem;
  color: var(--muted);
}

.update-stamp {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  margin-top: 18px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(19, 36, 59, 0.06);
  color: var(--accent-strong);
  font-size: 0.92rem;
}

.toc {
  margin-top: 28px;
}

.toc h2,
.status-box strong {
  margin-bottom: 10px;
}

.toc-grid a {
  display: block;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(15, 91, 141, 0.06);
  border: 1px solid rgba(15, 91, 141, 0.12);
  text-decoration: none;
  color: var(--accent-strong);
}

.status-box {
  margin-top: 28px;
  background: linear-gradient(180deg, rgba(255, 244, 213, 0.92), rgba(255, 255, 255, 0.9));
}

.status-box p {
  margin: 0;
}

.checklist,
.source-list ul,
.story ul {
  padding-left: 20px;
}

.story h2,
.story h3,
.panel h2,
.panel h3 {
  margin-top: 0;
}

.story + .story,
.panel + .panel,
.source-list + .source-list {
  margin-top: 18px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin-bottom: 18px;
}

.muted-note {
  font-size: 0.92rem;
}

.footer {
  padding: 20px 0 44px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer p {
  margin: 0;
  font-size: 0.92rem;
}

.footer p + p {
  margin-top: 8px;
}

.breadcrumbs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.92rem;
  margin-bottom: 18px;
  color: var(--muted);
}

.breadcrumbs a {
  text-decoration: none;
}

.callout {
  border-left: 4px solid var(--accent);
  padding-left: 16px;
  margin: 18px 0;
}

.table-like {
  display: grid;
  gap: 12px;
}

.table-like div {
  display: grid;
  grid-template-columns: minmax(120px, 180px) 1fr;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.table-like div:last-child {
  border-bottom: none;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  text-decoration: none;
}

@media (max-width: 640px) {
  .topbar {
    align-items: start;
    flex-direction: column;
  }

  h1 {
    max-width: 100%;
  }

  .table-like div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}