:root{
  --bg:#020617;
  --card:#0f172a;
  --card2:#111827;
  --line:rgba(255,255,255,.12);
  --text:#e5e7eb;
  --muted:#94a3b8;
  --brand:#38bdf8;
  --brand2:#8b5cf6;
  --ok:#22c55e;
  --warn:#f59e0b;
  --danger:#ef4444;
  --radius:24px;
  --shadow:0 30px 80px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg) url('../assets/bg-grid.svg') center/cover fixed;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(1180px,92vw);margin:0 auto}
.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(22px);
  background:rgba(2,6,23,.65);
  border-bottom:1px solid var(--line);
}
.nav-inner{height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:50px;width:auto}
.nav-links{display:flex;align-items:center;gap:22px;color:#cbd5e1;font-size:14px;font-weight:700}
.nav-actions{display:flex;gap:10px;align-items:center}
.btn{
  border:1px solid var(--line);
  color:var(--text);
  background:rgba(15,23,42,.72);
  padding:13px 18px;
  border-radius:14px;
  font-weight:800;
  letter-spacing:.02em;
  transition:.22s ease;
  box-shadow:none;
}
.btn:hover{transform:translateY(-2px);border-color:rgba(56,189,248,.6);box-shadow:0 18px 35px rgba(56,189,248,.12)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));border:0;color:white}
.btn-light{background:#f8fafc;color:#0f172a;border:0}
.btn-danger{background:rgba(239,68,68,.18);border-color:rgba(239,68,68,.35)}
.btn-ghost{background:rgba(255,255,255,.06)}
.hero{padding:76px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(56,189,248,.28);background:rgba(56,189,248,.08);color:#bae6fd;padding:9px 13px;border-radius:999px;font-size:13px;font-weight:800}
.badge-dot{width:8px;height:8px;border-radius:99px;background:var(--ok);box-shadow:0 0 0 5px rgba(34,197,94,.12)}
h1{font-size:clamp(40px,6vw,78px);line-height:.98;margin:22px 0 18px;letter-spacing:-.06em}
.gradient-text{background:linear-gradient(135deg,#e0f2fe,#60a5fa 35%,#a78bfa 70%,#86efac);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(17px,2vw,22px);line-height:1.58;color:#cbd5e1;margin:0 0 28px;max-width:720px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px}
.metric{border:1px solid var(--line);border-radius:18px;background:rgba(15,23,42,.62);padding:18px}
.metric strong{display:block;font-size:28px}.metric span{color:var(--muted);font-size:13px;font-weight:700}
.panel-preview{position:relative;border:1px solid rgba(148,163,184,.22);border-radius:32px;background:linear-gradient(180deg,rgba(15,23,42,.92),rgba(2,6,23,.92));box-shadow:var(--shadow);padding:18px;overflow:hidden}
.panel-preview:before{content:"";position:absolute;inset:-80px -40px auto auto;width:260px;height:260px;background:radial-gradient(circle,rgba(56,189,248,.35),transparent 65%);filter:blur(8px)}
.browser-bar{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:5px 0 14px;margin-bottom:18px;color:#94a3b8;font-size:12px;font-weight:800}
.dots{display:flex;gap:7px}.dots i{width:11px;height:11px;border-radius:50%;background:#334155}.dots i:nth-child(1){background:#ef4444}.dots i:nth-child(2){background:#f59e0b}.dots i:nth-child(3){background:#22c55e}
.preview-screen{border-radius:24px;background:radial-gradient(circle at top left,rgba(56,189,248,.16),transparent 40%),rgba(15,23,42,.8);border:1px solid var(--line);padding:24px;min-height:420px}
.device-card{text-align:center;padding:22px;border:1px solid rgba(56,189,248,.2);border-radius:22px;background:rgba(2,6,23,.46)}
.device-id{font-size:20px;color:#38bdf8;font-weight:900;letter-spacing:.08em;margin:20px 0 12px;word-break:break-all}
.send-text{font-weight:900;letter-spacing:.04em;color:#fff;margin-bottom:18px}
.preview-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.preview-btn{height:90px;border-radius:20px;border:1px solid rgba(255,255,255,.15);display:grid;place-items:center;background:linear-gradient(145deg,rgba(56,189,248,.13),rgba(139,92,246,.12));font-weight:900;text-align:center;color:#fff}
.section{padding:70px 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}.section-title{font-size:clamp(28px,3.4vw,46px);line-height:1;margin:0;letter-spacing:-.04em}.section-sub{color:#cbd5e1;max-width:700px;line-height:1.65;margin:12px 0 0}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{border:1px solid var(--line);background:rgba(15,23,42,.62);padding:26px;border-radius:var(--radius);box-shadow:0 20px 55px rgba(0,0,0,.15)}.feature-icon{width:56px;height:56px;border-radius:18px;background:linear-gradient(135deg,rgba(56,189,248,.18),rgba(139,92,246,.22));display:grid;place-items:center;font-size:26px;margin-bottom:20px}.feature h3{margin:0 0 10px;font-size:21px}.feature p{margin:0;color:#a7b4c6;line-height:1.6}
.models-toolbar{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:16px}.search{flex:1;position:relative}.search input{width:100%;padding:16px 18px 16px 48px;border-radius:16px;background:rgba(15,23,42,.72);border:1px solid var(--line);color:#fff;outline:none}.search span{position:absolute;left:18px;top:14px;color:#94a3b8}.model-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.model-card{position:relative;border:1px solid var(--line);background:linear-gradient(180deg,rgba(15,23,42,.86),rgba(2,6,23,.8));border-radius:22px;padding:18px;min-height:245px;display:flex;flex-direction:column;gap:14px;overflow:hidden}.model-card:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at top right,rgba(56,189,248,.14),transparent 45%);pointer-events:none}.model-thumb{height:84px;border-radius:18px;background:linear-gradient(135deg,rgba(56,189,248,.25),rgba(139,92,246,.2)),linear-gradient(45deg,rgba(255,255,255,.05) 25%,transparent 25%,transparent 50%,rgba(255,255,255,.05) 50%,rgba(255,255,255,.05) 75%,transparent 75%,transparent);background-size:auto,28px 28px;border:1px solid rgba(255,255,255,.1)}.model-card h3{margin:0;font-size:18px}.model-card p{margin:0;color:#a7b4c6;line-height:1.5;font-size:14px}.tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto}.tag{font-size:11px;color:#bae6fd;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.18);padding:6px 8px;border-radius:999px}.status{position:absolute;right:16px;top:16px;background:rgba(34,197,94,.16);color:#bbf7d0;border:1px solid rgba(34,197,94,.25);padding:6px 9px;border-radius:999px;font-size:11px;font-weight:900}.editor{display:grid;grid-template-columns:390px 1fr;gap:20px}.form-panel,.live-panel{border:1px solid var(--line);border-radius:26px;background:rgba(15,23,42,.72);padding:20px}.field{margin-bottom:16px}.field label{display:block;color:#cbd5e1;font-weight:800;margin-bottom:8px;font-size:13px}.field input,.field select,.field textarea{width:100%;border:1px solid rgba(148,163,184,.22);background:rgba(2,6,23,.55);color:#fff;border-radius:14px;padding:13px 14px;outline:none}.field textarea{min-height:84px;resize:vertical}.file-drop{border:1px dashed rgba(56,189,248,.35);background:rgba(56,189,248,.05);padding:15px;border-radius:14px;color:#bae6fd;font-weight:800}.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.preview-app{border-radius:28px;border:1px solid rgba(255,255,255,.16);background:radial-gradient(circle at 15% 20%,rgba(56,189,248,.2),transparent 34%),radial-gradient(circle at 90% 0%,rgba(139,92,246,.2),transparent 32%),#020617;min-height:520px;padding:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;position:relative;overflow:hidden}.preview-app img{max-width:190px;max-height:110px;object-fit:contain;margin-bottom:18px}.preview-app h4{font-size:28px;margin:0 0 18px}.preview-app .mac{font-weight:950;color:#38bdf8;letter-spacing:.08em;font-size:19px;margin-bottom:16px}.preview-app .copy{font-size:15px;font-weight:950;text-transform:uppercase}.preview-app .mini-btn{margin-top:18px;background:#fff;color:#0f172a;border:0;border-radius:6px;padding:12px 22px;font-weight:900}.bottom-app{position:absolute;bottom:20px;left:22px;right:22px;display:flex;justify-content:space-between;color:#dbeafe;font-weight:900}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{border:1px solid var(--line);background:rgba(15,23,42,.58);border-radius:22px;padding:20px}.step b{width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;margin-bottom:18px}.step h3{margin:0 0 8px}.step p{margin:0;color:#a7b4c6;line-height:1.55}.toast{position:fixed;right:22px;bottom:22px;z-index:100;background:#0f172a;border:1px solid rgba(34,197,94,.35);color:#dcfce7;border-radius:16px;padding:14px 16px;box-shadow:var(--shadow);display:none;font-weight:800}.toast.show{display:block;animation:pop .25s ease}@keyframes pop{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}
.footer{padding:34px 0;border-top:1px solid var(--line);color:#94a3b8;text-align:center;background:rgba(2,6,23,.45)}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.65);display:none;align-items:center;justify-content:center;z-index:80;padding:20px}.modal.show{display:flex}.modal-box{width:min(520px,94vw);border-radius:24px;background:#0f172a;border:1px solid var(--line);padding:24px;box-shadow:var(--shadow)}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.close{background:transparent;border:0;color:#fff;font-size:28px}.token-card{display:grid;gap:12px;margin-top:18px}.token-card a{display:block;text-align:center}
@media (max-width:980px){.hero-grid,.editor{grid-template-columns:1fr}.features,.steps{grid-template-columns:1fr 1fr}.model-grid{grid-template-columns:1fr 1fr}.nav-links{display:none}}
@media (max-width:640px){.metrics,.features,.steps,.model-grid,.preview-buttons,.two{grid-template-columns:1fr}.section-head,.models-toolbar{align-items:stretch;flex-direction:column}.nav-inner{height:auto;padding:14px 0;align-items:flex-start}.nav-actions{width:100%;flex-wrap:wrap}.btn{width:100%;text-align:center}.logo img{height:42px}}