/* Base */
:root {
  color-scheme: light;
  --bg: #ffffff;
  --text: #1f2328;
  --muted: #5f6770;
  --border: #e6e9ec;
  --link: #114886;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #101418;
    --text: #f1f5f9;
    --muted: #a8b3bf;
    --border: #2b333c;
    --link: #8fc2ff;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: sans-serif;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

h1 {
  margin: 0 0 0.9rem;
  font-size: 2.5rem;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0;
}

p {
  margin: 0 0 1rem;
  line-height: 1.6;
}

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

a:hover {
  text-decoration-thickness: 0.12em;
}

ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

/* Layout helpers */
.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 1rem;
}

.section {
  padding: 5rem 0 3rem;
}

.landing {
  min-height: calc(100vh - 72px);
}

.landing .container {
  max-width: 760px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  text-align: center;
  color: var(--muted);
}