:root {
  --primary: #1e3a8a;
  --foreground: #172554;
  --primary-fg: #eff6ff;
  --secondary: #dbeafe;
  --muted-fg: #475569;
  --border: #dbe3f0;
  --border-accent: #93c5fd;
  --bg: #ffffff;
  --bg-subtle: #f8fbff;
  --bg-dark: #0f172a;
  --font-heading: "EB Garamond", serif;
  --font-body: "DM Mono", monospace;
  --shadow: 0 18px 48px rgba(23, 37, 84, 0.08);
  --radius: 12px;
  --radius-full: 9999px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 20px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 48px;
  --space-page: 120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding-top: 64px;
  font-family: var(--font-body);
  background: linear-gradient(180deg, #eef5ff 0%, #ffffff 22%);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.page-shell {
  min-height: 100vh;
}

.site-nav,
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 var(--space-page);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.10);
  backdrop-filter: blur(12px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.site-brand,
.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 18px;
  font-weight: 500;
  color: var(--foreground);
}

.site-brand img,
.navbar-brand img {
  width: auto;
  height: 36px;
}

.site-nav-actions,
.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

/* ── Mobile nav toggle ── */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 8px;
  padding: 0;
  font: inherit;
}
.nav-toggle svg {
  width: 22px;
  height: 22px;
  stroke: var(--foreground);
  stroke-width: 2;
  stroke-linecap: round;
  fill: none;
}

/* ── Mobile full-width menu ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 998;
  background: #fff;
  overflow-y: auto;
  flex-direction: column;
  padding: var(--space-md);
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 48px;
  padding: 0 var(--space-md);
  font-size: 16px;
  color: var(--foreground);
  border-radius: 8px;
  transition: background 0.15s;
  text-decoration: none;
}
.mobile-menu a:hover { background: var(--bg-subtle); }
.mobile-menu .mobile-menu-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 48px;
  font-size: 16px;
  margin-top: 8px;
  border-radius: 8px;
  background: var(--primary);
  color: var(--primary-fg);
  font-weight: 500;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
}

.site-nav-links,
.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  font-size: 14px;
}

.site-nav-links a,
.navbar-links a,
.site-footer-links a,
.inline-link {
  color: var(--primary);
  text-decoration: underline transparent;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 0.2s ease, text-decoration-color 0.2s ease, opacity 0.2s ease;
}

.site-nav-links a:hover,
.navbar-links a:hover,
.site-footer-links a:hover,
.inline-link:hover {
  text-decoration-color: currentColor;
}

.nav-current {
  color: var(--foreground);
  text-decoration-color: currentColor;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 36px;
  padding: var(--space-xs) var(--space-md);
  border: none;
  border-radius: var(--radius);
  background: var(--primary);
  color: var(--primary-fg);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 20px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-primary:hover {
  opacity: 0.9;
}

.hero {
  padding: 88px var(--space-page) 40px;
}

.hero-card {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--space-3xl);
  border: 1px solid rgba(147, 197, 253, 0.35);
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.14), transparent 34%),
    linear-gradient(135deg, #17357d 0%, #1d4ed8 52%, #2563eb 100%);
  color: var(--primary-fg);
  box-shadow: var(--shadow);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: var(--radius-full);
  background: rgba(219, 234, 254, 0.18);
  border: 1px solid rgba(219, 234, 254, 0.35);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.hero h1 {
  margin: 20px 0 16px;
  font-family: var(--font-heading);
  font-size: clamp(40px, 5vw, 58px);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.hero-intro {
  max-width: 760px;
  font-size: 16px;
  line-height: 1.7;
  color: rgba(239, 246, 255, 0.92);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: 28px;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 12px;
}

.content-wrap {
  padding: 0 var(--space-page) 96px;
}

.content-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: var(--space-2xl);
  align-items: start;
}

.toc,
.policy-section,
.highlight-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.toc {
  position: sticky;
  top: 100px;
  padding: 20px;
}

.toc h2 {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--foreground);
}

.toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toc a {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted-fg);
}

.toc a:hover {
  color: var(--primary);
}

.policy-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}

.highlight-card {
  padding: 22px;
}

.highlight-card h3 {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--primary);
}

.highlight-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted-fg);
}

.policy-section {
  padding: 32px;
}

.policy-section h2 {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-size: 34px;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.policy-section p,
.policy-section li {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted-fg);
}

.policy-section p {
  margin: 0 0 16px;
}

.policy-section p:last-child {
  margin-bottom: 0;
}

.policy-section ul {
  margin: 16px 0 0;
  padding-left: 18px;
}

.policy-section li + li {
  margin-top: 8px;
}

.policy-section strong {
  color: var(--foreground);
}

.return-link-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--space-2xl) 0 var(--space-3xl);
}

.footer {
  background: var(--foreground);
  padding: 32px var(--space-page) 48px;
}

.site-footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  align-items: center;
}

.site-footer-top,
.footer-top {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.site-footer-brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.site-footer-brand img,
.footer-brand img {
  height: 24px;
  width: auto;
  filter: brightness(10);
}

.site-footer-brand span,
.footer-brand span {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-fg);
}

.site-footer-links,
.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  font-size: 12px;
}

.site-footer-links a,
.footer-links a {
  color: var(--border-accent);
}

.footer-copy,
.footer-copyright {
  font-size: 12px;
  color: var(--border-accent);
  text-align: center;
}

@media (max-width: 1200px) {
  .site-nav,
  .navbar,
  .hero,
  .content-wrap,
  .footer {
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }
}

@media (max-width: 768px) {
  /* Nav */
  .site-nav,
  .navbar { padding-left: var(--space-md); padding-right: var(--space-md); flex-direction: row; height: 64px; min-height: 64px; justify-content: space-between; align-items: center; gap: 0; padding-top: 0; padding-bottom: 0; }
  .site-nav-links,
  .navbar-links { display: none; }
  .nav-toggle { display: flex; }
  .site-nav .btn-primary,
  .navbar .btn-primary { min-height: 32px; padding: 4px 10px; font-size: 12px; white-space: nowrap; }
  .site-nav-actions,
  .navbar-actions { gap: var(--space-sm); }

  /* Footer */
  .footer { padding-left: var(--space-xl); padding-right: var(--space-xl); }
  .site-footer-top,
  .footer-top { flex-direction: column; align-items: center; gap: var(--space-md); text-align: center; }
  .site-footer-links,
  .footer-links { flex-wrap: wrap; justify-content: center; gap: var(--space-md); }

  /* Content */
  .highlight-grid { display: flex; flex-direction: column; }
  .hero { padding-top: 56px; }
  .hero-card, .policy-section { padding: 24px; }
  .hero-meta { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  /* Very narrow phones — tighten navbar further */
  .site-nav,
  .navbar { padding-left: var(--space-sm); padding-right: var(--space-sm); }
  .site-brand span,
  .navbar-brand span { font-size: 16px; }
  .hero { padding-left: var(--space-md); padding-right: var(--space-md); }
  .content-wrap { padding-left: var(--space-md); padding-right: var(--space-md); }
}