:root {
  --ink: #0b1f3a;
  --soft: #20324a;
  --muted: #4a5b73;
  --bg: #f8fbff;
  --border: #d9e6ff;
  --accent: #f97316;
  --link: #0b4aa2;
  --dark: #0b1f3a;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--soft);
  background: #ffffff;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Top nav */
.topnav {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topnav .brand {
  font-weight: 800;
  font-size: 18px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.topnav .brand:hover { text-decoration: none; }
.topnav .brand .accent { color: var(--accent); }
.topnav nav { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; margin-left: auto; }
.topnav nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.topnav nav a:hover { color: var(--ink); text-decoration: none; }
.topnav nav a.active { color: var(--ink); border-bottom-color: var(--accent); }
.topnav nav a.login {
  padding: 8px 16px;
  background: var(--dark);
  color: #ffffff;
  border-radius: 8px;
  border: none;
}
.topnav nav a.login:hover { text-decoration: none; opacity: 0.92; }

/* Page hero */
.page-hero {
  background: linear-gradient(180deg, var(--bg) 0%, #ffffff 100%);
  padding: 56px 20px 40px 20px;
}
.wrap { max-width: 980px; margin: 0 auto; }
.page-hero h1 {
  margin: 0 0 14px 0;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.15;
  color: var(--ink);
  letter-spacing: -0.012em;
}
.page-hero .lede {
  margin: 0;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.6;
  color: var(--soft);
  max-width: 70ch;
}

/* Topics list */
.topics { padding: 40px 20px; background: #ffffff; }
.topics h2 {
  margin: 0 0 14px 0;
  font-size: 20px;
  color: var(--ink);
  letter-spacing: 0.005em;
}
.topics ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.topics li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  color: var(--soft);
  display: flex;
  gap: 10px;
}
.topics li::before {
  content: '\2192';
  color: var(--accent);
  font-weight: 700;
}
.topics li:last-child { border-bottom: none; }

/* Status card — the migration-in-progress note */
.status { padding: 12px 20px 56px 20px; background: #ffffff; }
.status-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  max-width: 720px;
}
.status-card .label {
  font-size: 11px;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}
.status-card p { margin: 0 0 8px 0; font-size: 15px; line-height: 1.65; color: var(--soft); }
.status-card p:last-child { margin-bottom: 0; }
.status-card a { font-weight: 600; }

/* CTA */
.cta {
  display: inline-block;
  padding: 14px 22px;
  background: var(--dark);
  color: #ffffff;
  border-radius: 10px;
  font-weight: 700;
  font-size: 16px;
}
.cta:hover { text-decoration: none; opacity: 0.92; }

/* Footer */
footer {
  padding: 26px 24px;
  background: #ffffff;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}
footer .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
footer a { color: var(--link); }

@media (max-width: 720px) {
  .topnav { padding: 12px 14px; gap: 12px; }
  .topnav nav a:not(.login) { font-size: 13px; }
  .page-hero { padding: 40px 18px 32px 18px; }
  .topics, .status { padding-left: 18px; padding-right: 18px; }
}