:root{
  --bg: #0b0f1a;
  --surface: #0f1524;
  --card: #121a2c;
  --text: #e6ecff;
  --muted: #b9c2d6;
  --brand: #4f7cff;
  --brand-2: #7cf7d4;
  --accent: rgba(79, 124, 255, .18);
  --ring: rgba(124, 247, 212, .35);
  --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;
  color:var(--text);
  background: radial-gradient(1200px 600px at 20% -10%, #16203a 0, transparent 60%),
              radial-gradient(800px 400px at 100% 10%, #0e1730 0, transparent 60%),
              var(--bg);
  line-height:1.6;
}

.container{width:min(1120px, 92%); margin-inline:auto}

/* Accessibility */
.skip-link{
  position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  position:fixed; left:1rem; top:1rem; width:auto; height:auto; background:#fff; color:#000;
  padding:.5rem .75rem; border-radius:8px; z-index:9999;
}

/* Header */
.site-header{
  position:sticky; top:0; z-index:50; backdrop-filter:saturate(150%) blur(10px);
  background:linear-gradient(180deg, rgba(11,15,26,.85), rgba(11,15,26,.55));
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; padding:.85rem 0}

.brand{display:flex; align-items:center; gap:.6rem; text-decoration:none; color:var(--text)}
.brand-mark{width:36px; height:36px; fill:var(--surface); stroke:var(--brand); stroke-width:2}
.brand-mark .check{fill:none; stroke:var(--brand-2); stroke-width:4; stroke-linecap:round; stroke-linejoin:round}
.brand-name{font-weight:700; letter-spacing:.2px}

.nav-toggle{
  display:none; background:transparent; border:1px solid rgba(255,255,255,.12);
  color:var(--text); padding:.5rem .75rem; border-radius:10px;
}
.nav-menu{display:flex; gap:1rem; list-style:none; margin:0; padding:0}
.nav-menu a{color:var(--text); text-decoration:none; padding:.5rem .6rem; border-radius:10px}
.nav-menu a:hover{background:rgba(255,255,255,.06)}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  padding:.75rem 1rem; border-radius:12px; border:1px solid transparent; text-decoration:none;
  font-weight:600;
}
.btn-primary{
  background:linear-gradient(180deg, var(--brand), #3a63e6);
  box-shadow: 0 10px 24px rgba(79,124,255,.35);
  color:white;
}
.btn-primary:hover{filter:brightness(1.06)}
.btn-ghost{
  border:1px solid rgba(255,255,255,.18); color:var(--text); background:transparent
}
.btn-ghost:hover{background:rgba(255,255,255,.06)}

.hero{
  position:relative; padding:clamp(3rem, 8vw, 7rem) 0;
}
.hero-inner{display:grid; gap:1rem; text-align:center}
.hero h1{margin:0; font-size:clamp(2rem, 5vw, 3.25rem); line-height:1.15}
.lead{color:var(--muted); margin:0 auto; max-width:60ch}
.hero-cta{display:flex; gap:.75rem; justify-content:center; margin-top:1rem}
.hero-accent{
  position:absolute; inset:auto 0 0 0; height:120px;
  background:radial-gradient(60% 60% at 50% 0%, var(--accent), transparent 70%);
  pointer-events:none;
}

/* Sections */
.section{padding:clamp(2.5rem, 6vw, 5rem) 0}
.section.alt{background:linear-gradient(180deg, rgba(255,255,255,.02), transparent)}
.section-header{margin-bottom:1.5rem}
.section-header h2{margin:.25rem 0; font-size:clamp(1.5rem, 3vw, 2rem)}
.section-header p{color:var(--muted); margin:.25rem 0}

/* Cards */
.cards{
  display:grid; gap:1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card{
  background:linear-gradient(180deg, var(--card), #0f1627);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius);
  padding:1.1rem;
  box-shadow:var(--shadow);
}
.card h3{margin-top:.25rem}
.tick{padding-left:1.1rem; margin:.75rem 0}
.tick li{margin:.25rem 0}

/* Pills */
.pill-row{display:flex; flex-wrap:wrap; gap:.5rem}
.pill{
  border:1px solid rgba(255,255,255,.12);
  padding:.5rem .75rem; border-radius:999px; background:rgba(255,255,255,.03)
}

/* About grid */
.about-grid{
  display:grid; gap:1rem; grid-template-columns: 1.2fr .8fr;
}
.meta{display:grid; gap:.5rem; grid-template-columns: 1fr 1fr; margin-top:1rem}
.meta dt{font-weight:600}
.meta dd{margin:0; color:var(--muted)}

/* Contact */
.contact-grid{
  display:grid; gap:1rem; grid-template-columns: 1fr 1fr;
}
.contact-form .form-row{display:grid; gap:.35rem; margin-bottom:.8rem}
input, textarea{
  width:100%; padding:.75rem .8rem; border-radius:12px;
  background:#0b1324; color:var(--text);
  border:1px solid rgba(255,255,255,.12);
  outline: none;
}
input:focus, textarea:focus{
  border-color:transparent; box-shadow:0 0 0 4px var(--ring);
}
.small{font-size:.875rem; color:var(--muted)}
.help{margin-top:.5rem}

.contact-details address{font-style:normal; color:var(--text); line-height:1.5}
.contact-list{list-style:none; padding:0; margin:.5rem 0}
.contact-list li{margin:.25rem 0}

/* Footer */
.site-footer{
  border-top:1px solid rgba(255,255,255,.06);
  background:linear-gradient(180deg, rgba(255,255,255,.02), transparent);
}
.footer-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:1rem; padding:1.2rem 0;
}
.footer-links{display:flex; gap:1rem; list-style:none; padding:0; margin:0}
.footer-links a{text-decoration:none; color:var(--muted)}
.footer-links a:hover{color:var(--text)}

/* Nav: small screens */
@media (max-width: 880px){
  .about-grid, .contact-grid{grid-template-columns:1fr}
  .nav-toggle{display:inline-block}
  .nav-menu{
    position:absolute; right:1rem; top:64px; flex-direction:column;
    background:var(--surface); border:1px solid rgba(255,255,255,.08);
    padding:.5rem; border-radius:12px; display:none; min-width:220px;
  }
  .nav-menu.open{display:flex}
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{scroll-behavior:auto}
}

/* Print */
@media print{
  body{background:#fff; color:#000}
  .site-header, .hero-accent, .nav, .btn, .site-footer{display:none !important}
  .card, .section{box-shadow:none; border:1px solid #ddd}
}