:root {
  color-scheme: light;
  --bg: #f4f7f6;
  --ink: #0d2725;
  --muted: #5b6b68;
  --accent: #0d2725;
  --card: #ffffff;
  --border: #e2e8e7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  background: linear-gradient(180deg, #e8f0ef 0%, var(--bg) 40%, #fff 100%);
  color: var(--ink);
  line-height: 1.65;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
  text-decoration: none;
  margin-bottom: 28px;
}

h1 {
  font-size: 2rem;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}

h2 {
  font-size: 1.15rem;
  margin: 28px 0 8px;
}

.meta {
  color: var(--muted);
  margin-bottom: 28px;
}

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

.nav a {
  display: block;
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.nav a:hover {
  border-color: var(--accent);
}

.note,
.disclaimer {
  margin-top: 32px;
  padding: 14px 16px;
  background: #fff8e6;
  border: 1px solid #f0d78c;
  border-radius: 10px;
  color: #5c4a1a;
  font-size: 0.9rem;
}

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

ul {
  padding-left: 1.25rem;
}

footer {
  margin-top: 40px;
  color: var(--muted);
  font-size: 0.9rem;
}