:root {
  --bg: #0e1116;
  --card: #171a21;
  --text: #e8e8e8;
  --accent: #4cc9f0;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container { max-width: 980px; margin: 0 auto; padding: 1rem; }

.site-header, .site-footer { background: var(--card); }
.site-header h1 { margin: 0; padding: .75rem 0; color: var(--accent); }

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

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

section { background: var(--card); padding: 1rem; border-radius: 8px; box-shadow: 0 1px 2px rgba(0,0,0,.2); }