:root {
  --bg: #000000;
  --bg-alt: #1a1a1a;
  --text: #FFFFFF;
  --muted: #a0a0a0;
  --accent: #FF0000;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

header {
  background: var(--bg-alt);
  padding: 1rem 2rem;
  border-bottom: 1px solid #333;
}

nav {
  max-width: 1100px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav a {
  color: var(--text);
  text-decoration: none;
  margin-left: 1rem;
  font-size: 0.95rem;
}

nav a:hover {
  color: var(--accent);
}

main {
  max-width: 1100px;
  margin: auto;
  padding: 3rem 2rem;
}

h1, h2, h3 {
  color: var(--accent);
}

p {
  max-width: 800px;
}

.section {
  margin-bottom: 4rem;
}

.card {
  background: var(--bg-alt);
  padding: 1.5rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  border: 1px solid #333;
}

footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid #333;
}