:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --text: #101828;
  --muted: #475467;
  --border: #d0d5dd;
  --primary: #175cd3;
  --primary-soft: #eff6ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

h1,
h2 {
  margin: 0 0 12px;
  line-height: 1.25;
}

h1 {
  font-size: 1.75rem;
}

h2 {
  margin-top: 24px;
  font-size: 1.2rem;
}

p,
li {
  color: var(--muted);
}

ul {
  padding-left: 20px;
}

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

a:hover {
  text-decoration: underline;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.nav a {
  display: inline-block;
  padding: 8px 12px;
  background: var(--primary-soft);
  border: 1px solid #c7ddff;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
}

.meta {
  color: #667085;
  font-size: 0.9rem;
}