:root {
  --bg: #0b0b0c;
  --text: #f5f5f7;
  --muted: #a7a7ae;
  --accent: #7c5cff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

header {
  background: rgba(0, 0, 0, 0.85);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

nav a {
  color: var(--text);
  text-decoration: none;
  padding: 1rem;
}

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

section {
  max-width: 1100px;
  margin: auto;
  padding: 2rem 1rem;
}

h2 {
  color: var(--accent);
}

.card {
  background: #141417;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

iframe {
  width: 100%;
  border: none;
  border-radius: 8px;
}

footer {
  text-align: center;
  padding: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}