:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --surface: #ffffff;
  --text: #1a1f2e;
  --muted: #5b6475;
  --accent: #f59e0b;
  --border: #e4e8f0;
  --max-width: 760px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background: linear-gradient(180deg, #fff8eb 0%, var(--bg) 220px);
}

a {
  color: #b45309;
}

header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 1rem;
}

header h1 {
  margin: 0 0 0.35rem;
  font-size: 2rem;
  letter-spacing: -0.02em;
}

header p {
  margin: 0;
  color: var(--muted);
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem 1rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

nav a {
  text-decoration: none;
  font-weight: 600;
}

main,
article {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(26, 31, 46, 0.05);
}

.card + .card {
  margin-top: 1rem;
}

h2 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}

h2:first-child {
  margin-top: 0;
}

p,
ul,
ol {
  margin: 0 0 1rem;
}

ul,
ol {
  padding-left: 1.25rem;
}

li + li {
  margin-top: 0.35rem;
}

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

footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem 2.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (min-width: 720px) {
  header h1 {
    font-size: 2.4rem;
  }

  .card {
    padding: 2rem;
  }
}