:root {
  color-scheme: dark;
  --bg: #1c1c1e;
  --card: #2a2a2d;
  --text: #eee;
  --muted: #a0a0a5;
  --accent: #7ab8ff;
  --border: #3a3a3d;
}

* { box-sizing: border-box; }

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

header.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 1rem;
}

header.site-header a.brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

nav.site-nav a {
  color: var(--text);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.95rem;
}

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

main {
  max-width: 860px;
  margin: 0 auto;
  padding: 2rem;
}

.banner {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 2rem;
}

h1 { font-size: 2rem; margin-bottom: 0.25rem; }
h2 { font-size: 1.4rem; margin-top: 2rem; }
h3 { font-size: 1.15rem; }

.subtitle {
  color: var(--muted);
  margin-top: 0;
  margin-bottom: 2rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2.5rem;
}

.skill-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  text-decoration: none;
  color: var(--text);
  display: block;
}

.skill-card:hover { border-color: var(--accent); }

.skill-card h3 { margin: 0 0 0.4rem; color: var(--accent); }
.skill-card p { margin: 0; color: var(--muted); font-size: 0.9rem; }

table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
}

th, td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

th { background: var(--card); }

code {
  background: var(--card);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

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

blockquote {
  border-left: 3px solid var(--border);
  margin: 1rem 0;
  padding: 0.25rem 1rem;
  color: var(--muted);
}

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