:root {
  --bg: #0b1020;
  --fg: #e5e7eb;
  --muted: #9aa4b2;
  --card: #121a33;
  --accent: #6ee7b7;
  --accent-2: #60a5fa;
  --border: #23304f;
  --shadow: 0 10px 24px rgba(2,6,23,0.35);
  --radius: 18px;
  --maxw: 1100px;
  color-scheme: dark light;
}
:root.light {
  --bg: #f8fafc;
  --fg: #0f172a;
  --muted: #475569;
  --card: #ffffff;
  --accent: #0ea5e9;
  --accent-2: #22c55e;
  --border: #e2e8f0;
  --shadow: 0 10px 24px rgba(15,23,42,0.08);
}

* { box-sizing: border-box; }
html, body { padding: 0; margin: 0; }
body { background: var(--bg); color: var(--fg); font: 16px/1.5 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Noto Sans, Ubuntu, Cantarell, Helvetica Neue, Arial, "Apple Color Emoji","Segoe UI Emoji"; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 1.25rem; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; position: sticky; top: 0; background: color-mix(in oklab, var(--bg) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); z-index: 40;}
.brand { font-weight: 700; letter-spacing: 0.2px; color: var(--fg); }
.logo-wrap { display: flex; align-items: center; gap: .75rem; }
.avatar { border-radius: 50%; border: 1px solid var(--border); background: var(--card); }
.site-nav { display: flex; gap: .75rem; flex-wrap: wrap; }
.nav-link { padding: .5rem .75rem; border-radius: 999px; border: 1px solid transparent; }
.nav-link.active, .nav-link:hover { background: var(--card); border-color: var(--border); text-decoration: none; }
.theme-toggle { all: unset; cursor: pointer; border: 1px solid var(--border); padding: .5rem .65rem; border-radius: 999px; box-shadow: var(--shadow); }
.hero { display: grid; grid-template-columns: 1.35fr 1fr; gap: 2rem; align-items: center; margin-top: 2rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow); }
.card h3 { margin-top: 0; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.kicker { color: var(--muted); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; font-size: .8rem; }
h1 { font-size: clamp(1.75rem, 3vw, 2.5rem); margin: .5rem 0 1rem; }
h2 { font-size: clamp(1.2rem, 2vw, 1.6rem); margin-top: 2rem; }
.badges { display: flex; flex-wrap: wrap; gap: .5rem; }
.badge { background: color-mix(in oklab, var(--accent) 20%, transparent); color: var(--fg); border: 1px solid var(--border); border-radius: 999px; padding: .25rem .6rem; font-size: .85rem; }
.cta { display: flex; gap: .75rem; margin-top: 1rem; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: .5rem; border: 1px solid var(--border); background: var(--accent); color: #062022; font-weight: 700; padding: .65rem .9rem; border-radius: 12px; box-shadow: var(--shadow); }
.btn.secondary { background: transparent; color: var(--fg); }
.proj { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.proj-item { display: grid; grid-template-columns: 1fr auto; gap: .5rem 1rem; align-items: start; }
.proj-item h3 { margin: 0; }
.proj-item .meta { color: var(--muted); font-size: .9rem; }
.three-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }
.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: .75rem; }
.kpi { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: .75rem; text-align: center; }
.kpi strong { font-size: 1.2rem; display:block; }
.site-footer { border-top: 1px solid var(--border); margin-top: 3rem; color: var(--muted); }
.skip-link { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.skip-link:focus { position: static; width: auto; height: auto; padding: .5rem; background: var(--card); border: 1px solid var(--border); }
ul, ol { padding-left: 1.2rem; }
code, pre { background: color-mix(in oklab, var(--card) 80%, transparent); border: 1px solid var(--border); padding: .15rem .35rem; border-radius: 8px; }
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
}