:root {
  color-scheme: light;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #172033;
  --muted: #5a667a;
  --border: #d9e1ec;
  --accent: #126a5b;
  --accent-strong: #0d4f45;
  --soft: #e9f6f3;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

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

.skip-link {
  left: 1rem;
  position: absolute;
  top: -4rem;
}

.skip-link:focus {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  top: 1rem;
}

.page {
  margin: 0 auto;
  max-width: 920px;
  padding: 32px 20px 56px;
}

header {
  padding: 36px 0 24px;
}

nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 40px;
}

.brand {
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.nav-links a {
  font-size: 0.95rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: 0;
  line-height: 1.05;
  margin: 0 0 18px;
}

h2 {
  font-size: 1.35rem;
  line-height: 1.25;
  margin: 34px 0 10px;
}

p {
  margin: 0 0 16px;
}

ul {
  margin: 0 0 18px;
  padding-left: 1.25rem;
}

li {
  margin: 0 0 8px;
}

.lede {
  color: var(--muted);
  font-size: 1.2rem;
  max-width: 720px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-top: 22px;
  padding: 22px;
}

.callout {
  background: var(--soft);
  border: 1px solid #cbe8e2;
  border-radius: 8px;
  padding: 18px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  background: var(--accent);
  border-radius: 8px;
  color: #ffffff;
  display: inline-block;
  font-weight: 700;
  padding: 0.75rem 1rem;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--accent-strong);
}

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

footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 44px;
  padding-top: 20px;
}

@media (max-width: 560px) {
  .page {
    padding: 20px 16px 44px;
  }

  nav {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 28px;
  }

  .panel {
    padding: 18px;
  }
}