:root {
  color-scheme: light;
  --bg: #f9f9f7;
  --surface: #ffffff;
  --text: #1f2428;
  --muted: #54606b;
  --border: #e2e6ea;
  --accent: #2a4d69;
  --accent-dark: #1f3a52;
}

* {
  box-sizing: border-box;
}

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

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

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

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

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 7vw 24px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 600;
}

.brand-tagline {
  font-size: 0.95rem;
  color: var(--muted);
}

.site-nav {
  display: flex;
  gap: 20px;
  font-size: 0.95rem;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  padding: 56px 7vw;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0 0 12px;
}

.hero h1 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  margin: 0 0 16px;
}

.hero-subhead {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0 0 12px;
}

.disclaimer {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 24px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
}

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

.button.ghost {
  background: transparent;
  color: var(--accent);
}

.hero-card {
  background: var(--surface);
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(31, 36, 40, 0.08);
}

.hero-card h2 {
  margin-top: 0;
}

.status {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--muted);
}

.section {
  padding: 48px 7vw;
}

.section.muted {
  background: #f1f3f4;
}

.section h2 {
  margin-top: 0;
  font-size: 2rem;
}

.section-content {
  max-width: 720px;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.topics-grid h3 {
  margin-bottom: 8px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.card {
  background: var(--surface);
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.card h3 {
  margin-top: 0;
}

.newsletter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.newsletter-form input {
  flex: 1 1 220px;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 1rem;
}

.newsletter-form button {
  padding: 12px 18px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.notice {
  background: #e7f1ff;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid #c3d8f5;
  margin-top: 16px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  padding: 32px 7vw 48px;
  border-top: 1px solid var(--border);
  background: #ffffff;
}

.fine {
  font-size: 0.85rem;
  color: var(--muted);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 720px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .site-nav {
    flex-wrap: wrap;
  }
}