:root {
  --bg: #0f172a;
  --card: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #38bdf8;
  --border: #1f2937;
}

* {
  box-sizing: border-box;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

.hero {
  margin-bottom: 40px;
}

.hero h1 {
  font-size: 2.4rem;
  margin: 0 0 8px;
  letter-spacing: 0.2px;
}

.logo {
  display: block;
  margin-bottom: 16px;
  max-width: 180px;
  height: auto;
}

.tagline {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 600px;
}

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

.card h2 {
  margin-top: 0;
  font-size: 1.3rem;
}

ul {
  padding-left: 20px;
}

li {
  margin-bottom: 8px;
}

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

a:hover {
  text-decoration: underline;
}

.footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.small {
  font-size: 0.85rem;
}

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

@media (max-width: 600px) {
  .hero h1 {
    font-size: 2rem;
  }
}