:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5c5c5c;
  --accent: #0b5fff;
  --card-bg: #f6f7f8;
  --border: #e3e5e8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111417;
    --fg: #e8eaed;
    --muted: #9aa0a6;
    --accent: #7aa2ff;
    --card-bg: #1b1f24;
    --border: #2c3138;
  }
}

* { box-sizing: border-box; }

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

.container { max-width: 720px; margin: 0 auto; padding: 0 1.25rem; }

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

.site-header { border-bottom: 1px solid var(--border); }
.nav { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.25rem; }
.nav-brand { font-weight: 700; color: var(--fg); }
.nav-links a { margin-left: 1.25rem; color: var(--fg); }

.hero { padding: 4rem 0 2rem; }
.hero-kicker { text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); font-weight: 600; margin: 0; }
.hero h1 { font-size: 2.5rem; margin: 0.25rem 0; }
.hero-tagline { font-size: 1.25rem; color: var(--muted); max-width: 36rem; }
.hero-location { color: var(--muted); font-size: 0.95rem; }

.section { padding: 1.5rem 0; }
.section h2 { font-size: 1.4rem; border-bottom: 1px solid var(--border); padding-bottom: 0.4rem; }

.card-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(3, 1fr); } }
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px; padding: 1rem 1.25rem; }
.card h3 { margin-top: 0; font-size: 1.05rem; }
.card p { color: var(--muted); margin-bottom: 0; }

.link-list { list-style: none; padding: 0; }
.link-list li { padding: 0.4rem 0; border-bottom: 1px solid var(--border); }

.job { margin-bottom: 1.75rem; }
.job-header { display: flex; justify-content: space-between; flex-wrap: wrap; }
.job-title { font-weight: 700; }
.job-dates { color: var(--muted); }
.job ul { margin: 0.5rem 0 0; padding-left: 1.25rem; }
.job li { margin-bottom: 0.3rem; }

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

.site-footer { border-top: 1px solid var(--border); margin-top: 3rem; padding: 1.5rem 0; color: var(--muted); font-size: 0.9rem; }