:root {
  --bg: #0b1020;
  --card: #11172a;
  --muted: #9ab0d0;
  --text: #e6eefc;
  --brand: #0ea5e9;
  --accent: #22d3ee;
  --border: #1e2a44;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 100% -10%, #0e1530 0%, var(--bg) 50%), var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.site-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
  background: color-mix(in oklab, var(--bg), black 5% / 70%);
}
.brand { font-weight: 700; color: var(--text); letter-spacing: 0.2px; }
.nav a { margin-left: 12px; color: var(--muted); }
.nav a.cta { color: var(--text); padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; }

main { max-width: 980px; margin: 0 auto; padding: 24px; }

.hero { text-align: center; padding: 48px 0 24px; }
.avatar { border-radius: 50%; border: 2px solid var(--border); box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.hero h1 { margin: 16px 0 8px; font-size: 40px; }
.tagline { margin: 0 auto; max-width: 720px; color: var(--muted); }
.actions { margin-top: 16px; }
.button { display: inline-block; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--border); color: var(--text); margin-right: 8px; }
.button.primary { background: linear-gradient(90deg, var(--brand), var(--accent)); border: none; }

.section { padding: 32px 0; }
.section h2 { font-size: 24px; margin: 0 0 16px; }

.projects { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: linear-gradient(180deg, color-mix(in oklab, var(--card), black 6%), var(--card)); border: 1px solid var(--border); border-radius: 12px; padding: 16px; box-shadow: 0 10px 30px rgba(0,0,0,0.15); }
.card h3 { margin: 0 0 6px; }
.card p { margin: 0 0 10px; color: var(--muted); }
.meta { list-style: none; padding: 0; margin: 0; display: flex; gap: 10px; color: var(--muted); font-size: 14px; }

.achievements { margin-top: 12px; }
.badge { display: inline-block; padding: 6px 10px; border-radius: 999px; background: #13223a; border: 1px solid var(--border); color: var(--accent); font-weight: 600; font-size: 12px; letter-spacing: 0.3px; }

.links { list-style: none; padding: 0; margin: 0; }
.links li { margin-bottom: 8px; }

.site-footer { border-top: 1px solid var(--border); color: var(--muted); text-align: center; padding: 20px; }

/* Skills chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.chip { display: inline-block; padding: 6px 10px; border-radius: 999px; border: 1px solid var(--border); background: #0f162c; color: var(--text); font-size: 13px; }

/* Timeline and resume helpers */
.timeline { display: grid; gap: 16px; }
.role-header { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 6px; }
.meta-line { color: var(--muted); font-size: 14px; }
.bullets { margin: 8px 0 0; padding-left: 18px; }
.section h3 { margin: 0 0 6px; }
.subtle { color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: 0.3px; text-transform: uppercase; margin: 16px 0 6px; }

@media (max-width: 480px) {
  .hero h1 { font-size: 32px; }
}