:root{
  --bg:#0b0e14;
  --panel:#101828;
  --panel2:#0f172a;
  --text:#e5e7eb;
  --muted:#a3a3a3;
  --border:rgba(255,255,255,.10);
  --accent:#6ee7b7;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 16px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 20% 0%, rgba(110,231,183,.12), transparent 60%),
              radial-gradient(900px 600px at 90% 10%, rgba(59,130,246,.10), transparent 60%),
              var(--bg);
  color:var(--text);
  line-height:1.55;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; }
.muted{ color:var(--muted); }

.container{ width:min(1100px, 92vw); margin:0 auto; }

.skip{
  position:absolute; left:-999px; top:8px;
  background:#fff; color:#000; padding:8px 10px; border-radius:8px;
}
.skip:focus{ left:12px; z-index:999; }

.site-header{
  position:sticky; top:0;
  backdrop-filter: blur(10px);
  background: rgba(11,14,20,.55);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
.header-row{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{ display:flex; align-items:center; gap:10px; font-weight:700; }
.dot{ width:10px; height:10px; border-radius:999px; background:var(--accent); box-shadow: 0 0 18px rgba(110,231,183,.8); }

.nav{ display:flex; gap:16px; align-items:center; }
.nav a{ padding:10px 10px; border-radius:10px; }
.nav a:hover{ background: rgba(255,255,255,.06); text-decoration:none; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 14px;
  border-radius:12px;
  border:1px solid rgba(110,231,183,.40);
  background: rgba(110,231,183,.12);
  box-shadow: none;
  font-weight:600;
  text-decoration:none !important;
}
.btn:hover{ background: rgba(110,231,183,.18); }
.btn.ghost{
  border:1px solid var(--border);
  background: rgba(255,255,255,.06);
}
.btn.ghost:hover{ background: rgba(255,255,255,.10); }

.hero{ padding:64px 0 24px; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.3fr .9fr;
  gap:28px;
  align-items:start;
}
.kicker{
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .02em;
  margin:0 0 10px;
}
h1{ font-size: clamp(32px, 4vw, 46px); line-height:1.05; margin:0 0 14px; }
.lede{ color:#cbd5e1; margin:0 0 18px; max-width: 60ch; }

.hero-cta{ display:flex; gap:10px; flex-wrap:wrap; margin: 18px 0; }
.meta{ margin:18px 0 0; padding:0; list-style:none; color:#cbd5e1; }
.meta li{ margin:6px 0; }

.card{
  background: linear-gradient(180deg, rgba(16,24,40,.95), rgba(15,23,42,.85));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
}
.card h2{ margin:0 0 10px; font-size:16px; }
hr{ border:0; border-top:1px solid var(--border); margin:16px 0; }

.section{ padding:54px 0; }
.section.alt{ background: rgba(255,255,255,.03); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section h2{ margin:0 0 6px; font-size:26px; }
.section p{ margin:0 0 18px; }

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:16px;
}
.tile{
  background: rgba(16,24,40,.75);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding:16px;
  box-shadow: var(--shadow);
  min-height: 200px;
}
.tile h3{ margin:0 0 8px; }
.tags{ display:flex; flex-wrap:wrap; gap:8px; margin:10px 0 14px; padding:0; list-style:none; }
.tags li{
  border:1px solid var(--border);
  background: rgba(255,255,255,.05);
  padding:4px 8px;
  border-radius:999px;
  font-size:12px;
  color:#cbd5e1;
}
.links{ display:flex; gap:14px; }
.links a[aria-disabled="true"]{ opacity:.6; pointer-events:none; text-decoration:none; }

.columns{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:16px;
}
.list{ margin:0; padding-left: 18px; color:#cbd5e1; }
.list li{ margin:6px 0; }

.certs{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:12px;
}
.cert{
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
  border-radius: 14px;
  padding: 12px 14px;
}

.contact{ display:flex; gap:10px; align-items:center; flex-wrap:wrap; }
.small{ font-size: 13px; color:#cbd5e1; }

.site-footer{
  padding:22px 0;
  border-top: 1px solid var(--border);
}
.footer-row{
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
}

@media (max-width: 920px){
  .hero-grid{ grid-template-columns:1fr; }
  .grid{ grid-template-columns:1fr; }
  .columns{ grid-template-columns:1fr; }
  .certs{ grid-template-columns:1fr; }
  .nav{ gap:8px; }
  .nav a{ padding:10px 8px; }
}