:root{
  --bg:#0b0f14; --bg-2:#111821; --surface:#15202b; --surface-2:#1c2733;
  --text:#e6edf3; --muted:#9aa7b4; --border:#243043;
  --blue:#3b82f6; --blue-soft:#60a5fa;
  --green:#22c55e; --green-soft:#4ade80;
  --radius:14px; --maxw:1100px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --nav-h:60px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);
  font:16px/1.6 system-ui,Segoe UI,Roboto,Arial,sans-serif}
body.nav-open{overflow:hidden}
a{color:var(--blue-soft);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
section{padding:72px 0;scroll-margin-top:var(--nav-h)}
h1,h2,h3{line-height:1.2}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.skip-link{position:absolute;left:-999px;top:0;background:var(--blue);color:#fff;
  padding:10px 14px;border-radius:0 0 8px 0;z-index:200}
.skip-link:focus{left:0}

.nav{position:sticky;top:0;z-index:50;background:rgba(11,15,20,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:var(--nav-h);gap:12px}
.brand{font-weight:700;color:var(--text);flex-shrink:0}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--border);
  background:var(--surface);border-radius:8px;cursor:pointer;padding:0}
.nav-toggle-bars,.nav-toggle-bars::before,.nav-toggle-bars::after{
  display:block;width:18px;height:2px;background:var(--text);margin:0 auto;position:relative}
.nav-toggle-bars::before,.nav-toggle-bars::after{content:"";position:absolute;left:0}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}
.nav nav a{margin-left:18px;color:var(--muted)}
.nav nav a:hover{color:var(--text)}

.hero{padding:96px 0 80px;background:
  radial-gradient(1200px 500px at 80% -10%,rgba(59,130,246,.18),transparent),
  radial-gradient(900px 400px at 0% 0%,rgba(34,197,94,.14),transparent)}
.hero .eyebrow{color:var(--green-soft);letter-spacing:.12em;text-transform:uppercase;font-size:.8rem}
.hero h1{font-size:clamp(2rem,6vw,3.4rem);margin:.4rem 0}
.hero .lead{font-size:clamp(1.05rem,2.4vw,1.3rem);color:var(--muted);max-width:60ch}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.btn{padding:10px 18px;border-radius:10px;border:1px solid var(--border);color:var(--text);
  min-height:44px;display:inline-flex;align-items:center;justify-content:center}
.btn-primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn:hover{text-decoration:none;filter:brightness(1.08)}

.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.card{background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:10px}
.card-featured{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue),var(--shadow);
  grid-column:1 / -1}
.badge{align-self:flex-start;background:var(--blue);color:#fff;
  font-size:.75rem;padding:4px 10px;border-radius:999px;letter-spacing:.05em}
.card h3{margin:0;color:var(--text)}
.card p{color:var(--muted);margin:0}
.card .tags{margin:4px 0}
.card-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto}

.skills-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.skills-grid article{background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px}
.skills-grid h3{margin:0 0 10px;color:var(--blue-soft)}
.tags{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px;margin:0}
.tags li{background:var(--surface-2);border:1px solid var(--border);
  padding:4px 10px;border-radius:999px;font-size:.85rem;color:var(--muted)}

.contact-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.contact{background:var(--surface);border:1px solid var(--border);
  border-radius:10px;padding:14px 16px;color:var(--text)}
.contact:hover{border-color:var(--green);text-decoration:none}
footer{border-top:1px solid var(--border);padding:28px 0;color:var(--muted)}

a:focus-visible, .btn:focus-visible, .contact:focus-visible, .nav-toggle:focus-visible{
  outline:3px solid var(--green-soft);outline-offset:2px;border-radius:8px}

@media(max-width:768px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;z-index:60}
  .nav nav{
    display:none;position:fixed;inset:var(--nav-h) 0 0 0;background:var(--bg);
    flex-direction:column;padding:24px 20px;gap:8px;overflow:auto}
  .nav nav.is-open{display:flex}
  .nav nav a{margin:0;padding:14px 12px;min-height:44px;border-bottom:1px solid var(--border);color:var(--text)}
  .card-featured{grid-column:auto}
  .hero{padding:64px 0}
  .btn{flex:1 1 auto;text-align:center}
}