:root{
  --bg-0:#0b1522;
  --bg-1:#0e1c2d;
  --bg-2:#12233a;
  --txt:#e8eef7;
  --muted:#a9b6c7;
  --accent:#69e6b6;
  --accent-2:#2cd0ff;
  --badge:#1a2b45;
  --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,Ubuntu,"Helvetica Neue",Arial,sans-serif;background:
  radial-gradient(1200px 600px at 70% 10%, rgba(108,198,255,.15), transparent),
  radial-gradient(800px 400px at 20% 40%, rgba(105,230,182,.12), transparent),
  var(--bg-0);color:var(--txt)}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* Header */
header{position:sticky;top:0;z-index:50;background:linear-gradient(to bottom, rgba(14,28,45,.9), rgba(14,28,45,.6));backdrop-filter: blur(6px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand .logo{width:26px;height:26px;transition:transform .25s ease, filter .25s ease;}
.brand:hover .logo{ transform: scale(1.06); filter: drop-shadow(0 0 6px rgba(105,230,182,.35)); }
.brand span{font-size:18px}
.nav-right{display:flex;align-items:center;gap:12px}
.lang{appearance:none;background:var(--bg-2);border:1px solid rgba(255,255,255,.08);color:var(--txt);padding:8px 10px;border-radius:10px}
.cta{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#07131f;border:none;padding:10px 16px;border-radius:999px;font-weight:700;cursor:pointer;box-shadow:var(--shadow)}
.cta:hover{filter:brightness(1.05)}
/* Hero */
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:60px 0 24px}
@media (max-width: 980px){.hero{grid-template-columns:1fr;gap:28px;padding-top:36px}}
.kicker{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);padding:6px 10px;border-radius:999px;font-size:12px;color:var(--muted);margin-bottom:14px}
.title{font-weight:800;letter-spacing:-.02em;line-height:1.04;font-size:56px}
@media (max-width: 640px){.title{font-size:36px}}
.lead{color:var(--muted);max-width:640px;margin:16px 0 20px}
.actions{display:flex;gap:12px;margin:22px 0 14px}
.btn{display:inline-flex;align-items:center;gap:8px;background:#1c2f4b;color:#eaf4ff;padding:12px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.08);cursor:pointer}
.btn.primary{background:linear-gradient(135deg, var(--accent-2), var(--accent));color:#041420}
.btn:hover{filter:brightness(1.07)}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.badge{display:inline-flex;align-items:center;gap:8px;background:var(--badge);border:1px solid rgba(255,255,255,.08);padding:8px 12px;border-radius:999px;font-size:13px;color:#cfe0f5}
.visual{position:relative;border-radius:20px;background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow);min-height:360px;overflow:hidden}
.grid-lines{position:absolute;inset:0;background:repeating-linear-gradient( to right, rgba(255,255,255,.05) 0 1px, transparent 1px 60px), repeating-linear-gradient( to bottom, rgba(255,255,255,.045) 0 1px, transparent 1px 60px)}
.logo-big{position:absolute;inset:auto 0 0 0;margin:auto;width:140px;height:140px;transform:translateY(-10%);animation: pulseGlow 5s ease-in-out infinite;}
/* Feature grid */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:40px 0 70px}
@media (max-width: 980px){.features{grid-template-columns:repeat(2,1fr)}}
@media (max-width: 560px){.features{grid-template-columns:1fr}}
.card{background:var(--bg-2);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:22px;box-shadow:var(--shadow)}
.card h4{margin:2px 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted)}
/* Sections & Footer */
.section{padding:60px 0}
footer{border-top:1px solid rgba(255,255,255,.08);background:var(--bg-1);color:#c9d6e6}
.foot{display:flex;justify-content:space-between;align-items:center;padding:22px 0}
.foot a{color:#c9d6e6}
.page-title{font-size:34px;margin:6px 0 14px}
.subtle{color:var(--muted)}
/* Forms & modal */
dialog{border:none;border-radius:16px;padding:0;background:#0f2035;color:var(--txt);box-shadow:var(--shadow);width:min(560px,92vw)}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.modal-body{padding:18px}
.modal-body form{display:grid;gap:12px}
input,textarea,select{width:100%;background:#132641;border:1px solid rgba(255,255,255,.1);color:var(--txt);padding:10px 12px;border-radius:10px}
label{font-size:14px;color:#cfe0f5;display:grid;gap:6px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;padding:12px 18px;border-top:1px solid rgba(255,255,255,.08)}
/* Animations */
@keyframes pulseGlow {
  0%   { filter: drop-shadow(0 0 0px rgba(45, 208, 255, 0.0)); transform: translateY(-10%) scale(1); }
  50%  { filter: drop-shadow(0 0 12px rgba(45, 208, 255, 0.35)); transform: translateY(-10%) scale(1.02); }
  100% { filter: drop-shadow(0 0 0px rgba(45, 208, 255, 0.0)); transform: translateY(-10%) scale(1); }
}