:root {
  --bg: #0a0a0a;
  --card: #141414;
  --border: #2a2a2a;
  --text: #ffffff;
  --muted: #999999;
  --primary: #e8291c;
  --accent: #ff4d40;
  --max: 720px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}

.brand img {
  height: 28px;
  width: auto;
  display: block;
}

.brand:hover {
  text-decoration: none;
  opacity: 0.92;
}

.nav {
  display: flex;
  gap: 20px;
  font-size: 14px;
  font-weight: 600;
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 24px 80px;
}

h1 {
  font-size: clamp(28px, 5vw, 36px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

.updated {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 32px;
}

h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 36px 0 12px;
  color: var(--text);
}

p,
li {
  color: rgba(255, 255, 255, 0.88);
  font-size: 16px;
}

ul {
  padding-left: 1.25rem;
}

li {
  margin-bottom: 8px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-top: 32px;
}

.card h2 {
  margin-top: 0;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.hero {
  text-align: center;
  padding: 48px 0 24px;
}

.hero p {
  color: var(--muted);
  max-width: 480px;
  margin: 12px auto 28px;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-color: transparent;
  color: white;
}

.btn:hover {
  text-decoration: none;
  opacity: 0.92;
}