:root {
  --bg: #fafbfc;
  --fg: #1d2030;
  --muted: #6b7280;
  --accent: #0b3066;
  --accent-2: #2d863b;
  --border: #e5e7eb;
  --card: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 32px;
  border-bottom: 1px solid var(--border);
  background: #fff;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--fg);
}
.brand:hover { text-decoration: none; }

.site-header nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.cta {
  background: var(--accent-2);
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
}
.cta:hover { text-decoration: none; opacity: 0.92; }

main { max-width: 960px; margin: 0 auto; padding: 48px 24px; }

.hero {
  text-align: center;
  padding: 40px 0 48px;
}
.hero h1 {
  font-size: 44px;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--accent);
}
.lede {
  font-size: 18px;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 32px;
}
.cta-large {
  display: inline-block;
  background: var(--accent-2);
  color: #fff !important;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 16px;
  box-shadow: 0 4px 16px rgba(45, 134, 59, 0.3);
}
.cta-large[aria-disabled="true"] {
  opacity: 0.75;
  cursor: default;
}
.cta-large:hover { text-decoration: none; }
.sub { color: var(--muted); margin-top: 12px; font-size: 14px; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 32px 0;
}
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
}
.feature h2 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature p { color: var(--muted); font-size: 14px; }

.sources {
  margin-top: 56px;
  text-align: center;
}
.sources h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 20px;
  font-weight: 600;
}
.sources ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}
.sources li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--fg);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 20px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; }

.prose {
  max-width: 680px;
  padding: 48px 24px 72px;
}
.prose h1 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.prose h2 {
  font-size: 18px;
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 10px;
}
.prose p, .prose ul { margin-bottom: 14px; }
.prose ul { padding-left: 24px; }
.prose li { margin-bottom: 6px; }
.muted { color: var(--muted); font-size: 14px; }

.sites-list {
  list-style: none !important;
  padding-left: 0 !important;
  margin-bottom: 24px !important;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sites-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 0 !important;
}
.sites-list li .dot {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  margin-top: 6px;
}
.sites-list li strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 2px;
}
.sites-list-note {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}
.sites-list code {
  background: #f2f4f7;
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  background: #fff;
}

@media (max-width: 600px) {
  .hero h1 { font-size: 32px; }
  .lede { font-size: 16px; }
  .site-header { padding: 14px 20px; }
}