:root{
  --bg:#0b1020;
  --bg2:#0a0f1e;
  --card:#101a30;
  --text:#eef3ff;
  --muted:#a9b6da;
  --line: rgba(255,255,255,.12);
  --accent:#5cffc6;
  --accent2:#8c6bff;
  --shadow: 0 22px 70px rgba(0,0,0,.38);
  --radius: 16px;
  --max: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

@media (prefers-color-scheme: light){
  :root{
    --bg:#f7f8ff;
    --bg2:#ffffff;
    --card:#ffffff;
    --text:#0d1323;
    --muted:#4d5b7c;
    --line: rgba(13,19,35,.14);
    --shadow: 0 22px 70px rgba(13,19,35,.10);
  }
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: var(--font);
  color:var(--text);
  background:
    radial-gradient(900px 520px at 18% 0%, rgba(92,255,198,.18), transparent 60%),
    radial-gradient(900px 620px at 100% 22%, rgba(140,107,255,.18), transparent 60%),
    linear-gradient(155deg, var(--bg), var(--bg2));
  line-height:1.55;
}

a{color:inherit}
.muted{color:var(--muted)}
.small{font-size:13px}
.container{width:min(100% - 40px, var(--max)); margin-inline:auto;}

.skip-link{
  position:absolute; left:-999px; top:8px;
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--card);
  z-index:999;
}
.skip-link:focus{left:12px}

.site-header{
  position:sticky; top:0;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg2) 82%, transparent);
  border-bottom:1px solid var(--line);
  z-index:10;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand-mark{display:block;filter: drop-shadow(0 10px 18px rgba(0,0,0,.18))}
.brand-name{font-weight:850;letter-spacing:.3px}
.nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.nav-link{text-decoration:none;color:var(--muted);padding:8px 10px;border-radius:12px}
.nav-link:hover{color:var(--text);background: color-mix(in srgb, var(--card) 70%, transparent)}

.hero{padding:56px 0 28px}
.hero-inner{display:grid;grid-template-columns: 1.05fr .95fr;gap:18px;align-items:stretch}
.eyebrow{margin:0 0 10px;color:var(--muted);font-weight:650}
.hero-title{margin:0 0 12px;font-size: clamp(28px, 3.6vw, 46px);line-height:1.12;letter-spacing:-.02em}
.hero-subtitle{margin:0 0 18px;color:var(--muted);font-size: clamp(15px, 1.2vw, 18px)}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin:0}

.button{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;border-radius:14px;border:1px solid var(--line);
  text-decoration:none;
  background: color-mix(in srgb, var(--card) 72%, transparent);
  box-shadow: 0 10px 28px rgba(0,0,0,.18);
  color:inherit;
}
.button:hover{transform: translateY(-1px)}
.button:active{transform: translateY(0)}
.button.primary{
  border-color: color-mix(in srgb, var(--accent2) 50%, var(--line));
  background: linear-gradient(135deg, rgba(92,255,198,.9), rgba(140,107,255,.55));
  color: color-mix(in srgb, var(--text) 90%, #000);
}

.hero-panel{
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: color-mix(in srgb, var(--card) 78%, transparent);
  box-shadow: var(--shadow);
  padding:16px;
  display:grid;
  gap:10px;
}
.stat-grid{display:grid;grid-template-columns: 1fr 1fr;gap:10px}
.stat{
  border-radius: 14px;
  border:1px solid var(--line);
  background: color-mix(in srgb, var(--card) 70%, transparent);
  padding:12px;
}
.stat-k{color:var(--muted);font-size:12px}
.stat-v{font-weight:900;font-size:20px;letter-spacing:-.01em}

.section{padding: 34px 0}
.section-alt{
  background: color-mix(in srgb, var(--card) 32%, transparent);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-title{margin:0 0 16px;font-size:22px;letter-spacing:-.01em}
.lead{margin:0 0 10px;font-size:16px}

.split{display:grid;grid-template-columns: 1.1fr .9fr;gap:14px;align-items:start}
.panel{
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: color-mix(in srgb, var(--card) 78%, transparent);
  box-shadow: 0 18px 60px rgba(0,0,0,.12);
  padding:14px;
}
.panel-title{font-weight:800;margin:0 0 10px}
.list{margin:0;padding-left:18px;color:var(--muted)}
.list li{margin:6px 0}

.grid{display:grid;grid-template-columns: repeat(12, 1fr);gap:14px}
.card{
  grid-column: span 6;
  padding:16px 16px 14px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: color-mix(in srgb, var(--card) 78%, transparent);
  box-shadow: 0 18px 60px rgba(0,0,0,.16);
}
.card-title{margin:0 0 6px;font-size:16px}
.card-text{margin:0;color:var(--muted)}

.faq{display:grid;gap:10px}
.faq-item{
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: color-mix(in srgb, var(--card) 72%, transparent);
  padding:2px 0;
}
.faq-item > summary{cursor:pointer;list-style:none;padding:14px 14px;font-weight:800}
.faq-item > summary::-webkit-details-marker{display:none}
.faq-body{padding:0 14px 14px}
.faq-item[open] > summary{border-bottom:1px solid var(--line)}

.contact{display:grid;gap:14px}
.contact-text{margin:0;color:var(--muted)}
.contact-form{display:grid;gap:12px}
.form-row{display:grid;grid-template-columns: 1fr 1fr;gap:12px}
.field{display:grid;gap:6px}
.field-label{color:var(--muted);font-size:13px}
.input{
  width:100%;
  border-radius:14px;
  border:1px solid var(--line);
  background: color-mix(in srgb, var(--card) 78%, transparent);
  color:var(--text);
  padding:10px 12px;
  outline:none;
}
.input:focus{
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: 0 0 0 4px rgba(92,255,198,.14);
}
.textarea{resize:vertical;min-height:120px}
.form-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.form-note{font-size:13px}

.site-footer{border-top:1px solid var(--line);padding:18px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}

@media (max-width: 900px){
  .hero-inner{grid-template-columns: 1fr}
  .split{grid-template-columns: 1fr}
  .card{grid-column: span 12}
  .form-row{grid-template-columns: 1fr}
}
@media (prefers-reduced-motion: reduce){
  .button:hover{transform:none}
}