/* TwoBit Aerial - Minimal commercial landing page (dark) */
:root{
  --bg:#070A10;
  --bg2:#0B1020;
  --card:#0E152B;
  --text:#EAF0FF;
  --muted:#A7B2D6;
  --line:#1B2647;
  --accent:#7AA6FF;
  --accent2:#9BE7FF;
  --shadow: 0 18px 55px rgba(0,0,0,.45);
  --radius: 18px;
}

*{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(900px 500px at 15% 10%, rgba(122,166,255,.16), transparent 60%),
              radial-gradient(800px 500px at 80% 30%, rgba(155,231,255,.10), transparent 60%),
              linear-gradient(180deg, var(--bg), var(--bg2));
  color: var(--text);
  line-height: 1.55;
}

a{color:inherit}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
.skip-link{
  position:absolute;left:-999px;top:10px;
  background:#fff;color:#000;padding:10px 12px;border-radius:10px
}
.skip-link:focus{left:20px;z-index:9999}

.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(7,10,16,.65);
  border-bottom: 1px solid rgba(27,38,71,.6);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:18px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  background: linear-gradient(135deg, rgba(122,166,255,.35), rgba(155,231,255,.18));
  border: 1px solid rgba(122,166,255,.35);
  font-weight:800;
}
.brand-name{font-weight:700;letter-spacing:.2px}
.brand-tag{font-size:12px;color:var(--muted)}

.nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.nav a{opacity:.9;text-decoration:none;font-weight:500}
.nav a:hover{opacity:1;text-decoration:underline}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius: 14px;
  border:1px solid rgba(122,166,255,.35);
  background: linear-gradient(135deg, rgba(122,166,255,.22), rgba(155,231,255,.10));
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
  text-decoration:none;
  font-weight:650;
  letter-spacing:.1px;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-ghost{
  background: transparent;
  border: 1px solid rgba(167,178,214,.35);
  box-shadow:none;
  opacity:.95;
}
.btn-small{padding:9px 12px;border-radius:12px;font-weight:650}

.hero{
  position:relative;
  padding:72px 0 44px;
  overflow:hidden;
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:26px;
  align-items:start;
}
.hero h1{
  font-size: clamp(34px, 4vw, 54px);
  line-height:1.05;
  margin: 10px 0 12px;
  letter-spacing: -0.6px;
}
.kicker{
  display:inline-flex;
  gap:10px;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(167,178,214,.28);
  color: var(--muted);
  font-weight:600;
  font-size:12px;
}
.lead{font-size:18px;color:var(--muted);max-width:60ch;margin:0 0 18px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin: 10px 0 18px}
.trust-row{display:flex;gap:10px;flex-wrap:wrap}
.pill{
  font-size:12px;
  color: var(--muted);
  padding:7px 10px;
  border-radius: 999px;
  border:1px solid rgba(27,38,71,.75);
  background: rgba(14,21,43,.45);
}

.hero-card .card{
  background: rgba(14,21,43,.72);
  border: 1px solid rgba(27,38,71,.85);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.card-title{margin:0 0 10px;font-size:16px}
.dl{margin:0;display:grid;gap:10px}
.dl div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid rgba(27,38,71,.6);padding:8px 0}
.dl dt{color:var(--muted);font-weight:600}
.dl dd{margin:0;font-weight:650}
.card-actions{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.fineprint{font-size:12px;color:var(--muted);margin:12px 0 0}

.hero-bg{
  position:absolute;inset:-120px -200px auto -200px;
  height:360px;
  background: radial-gradient(closest-side at 30% 40%, rgba(122,166,255,.22), transparent 70%),
              radial-gradient(closest-side at 70% 60%, rgba(155,231,255,.16), transparent 70%);
  filter: blur(6px);
  pointer-events:none;
  opacity:.95;
}

.section{padding:56px 0}
.section-alt{background: rgba(14,21,43,.40); border-top:1px solid rgba(27,38,71,.6); border-bottom:1px solid rgba(27,38,71,.6)}
.section-head{margin-bottom:22px}
.section-head h2{margin:0 0 8px;font-size:28px;letter-spacing:-.2px}
.section-head p{margin:0;color:var(--muted);max-width:78ch}

.grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 16px;
}
.feature{
  background: rgba(14,21,43,.55);
  border: 1px solid rgba(27,38,71,.75);
  border-radius: var(--radius);
  padding: 18px;
}
.feature h3{margin:0 0 8px}
.feature p{margin:0 0 12px;color:var(--muted)}
.feature ul{margin:0;padding-left:18px;color:var(--muted)}
.feature li{margin:6px 0}

.two-col{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:16px;
  margin-top: 12px;
}
.list-card{
  background: rgba(14,21,43,.55);
  border: 1px solid rgba(27,38,71,.75);
  border-radius: var(--radius);
  padding: 18px;
}
.list-card h3{margin:0 0 10px}

.checklist{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.checklist li{
  position:relative;
  padding-left:26px;
  color:var(--muted);
}
.checklist li::before{
  content:"";
  position:absolute;left:0;top:8px;
  width:14px;height:14px;border-radius:6px;
  background: linear-gradient(135deg, rgba(122,166,255,.55), rgba(155,231,255,.28));
  border:1px solid rgba(122,166,255,.35);
}

.note{
  margin-top:16px;
  padding:14px 16px;
  border-radius: var(--radius);
  border:1px solid rgba(27,38,71,.75);
  background: rgba(7,10,16,.35);
  color: var(--muted);
}
.note strong{color:var(--text)}

.area-card{
  background: rgba(14,21,43,.55);
  border: 1px solid rgba(27,38,71,.75);
  border-radius: var(--radius);
  padding: 18px;
}
.area-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.area-item h3{margin:0 0 6px}
.area-item p{margin:0;color:var(--muted)}

.contact-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 16px;
  align-items:start;
}
.form{
  background: rgba(14,21,43,.55);
  border: 1px solid rgba(27,38,71,.75);
  border-radius: var(--radius);
  padding: 18px;
}
.form label{display:grid;gap:8px;font-weight:600}
input,select,textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border:1px solid rgba(27,38,71,.95);
  background: rgba(7,10,16,.55);
  color: var(--text);
  outline:none;
}
input:focus,select:focus,textarea:focus{border-color: rgba(122,166,255,.65); box-shadow: 0 0 0 4px rgba(122,166,255,.12)}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:12px}
.form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}
.divider{border:none;border-top:1px solid rgba(27,38,71,.75);margin:14px 0}
.contact-line{margin:10px 0;color:var(--muted)}
.muted{color:var(--muted)}
.small{font-size:12px}

.footer{
  padding:26px 0;
  border-top:1px solid rgba(27,38,71,.6);
  background: rgba(7,10,16,.65);
}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-links{display:flex;gap:14px;flex-wrap:wrap}
.footer-links a{text-decoration:none;color:var(--muted)}
.footer-links a:hover{color:var(--text);text-decoration:underline}

@media (max-width: 920px){
  .hero-inner{grid-template-columns: 1fr}
  .contact-grid{grid-template-columns: 1fr}
  .area-grid{grid-template-columns: 1fr}
  .grid{grid-template-columns: 1fr}
  .two-col{grid-template-columns: 1 fr}
  .nav{display:none}
}