:root {
  color-scheme: light dark;
  --bg: #f7f5f0;
  --panel: #ffffff;
  --text: #1d2528;
  --muted: #657277;
  --line: #d9dedc;
  --accent: #126b72;
  --accent-strong: #0f4f55;
  --link-bg: #e9f4f3;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.page {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 56px;
}

header {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.brand {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 7vw, 4rem);
}

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

h3 {
  margin: 22px 0 8px;
  font-size: 1.05rem;
}

p {
  margin: 0 0 14px;
}

ul {
  margin: 0 0 16px;
  padding-left: 1.2rem;
}

li {
  margin: 6px 0;
}

a {
  color: var(--accent-strong);
  font-weight: 650;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

nav a,
.button-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--link-bg);
  color: var(--accent-strong);
  text-decoration: none;
}

main {
  padding: 8px 0 0;
}

.note {
  margin: 24px 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.muted {
  color: var(--muted);
}

footer {
  margin-top: 42px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101415;
    --panel: #172022;
    --text: #edf3f1;
    --muted: #a6b3b3;
    --line: #344143;
    --accent: #8bd8cf;
    --accent-strong: #a8eee7;
    --link-bg: #142b2d;
  }
}