:root{
  --bg: linear-gradient(180deg, #061428 0%, #071837 100%);
  --panel: #071127;
  --card: rgba(255,255,255,0.04);
  --muted: #9fb0c8;
  --accent: #4cc6ff;
  --glass: rgba(255,255,255,0.03);
  --radius: 14px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: var(--bg);
  color: #e6eef8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

.container{max-width:1100px;margin:0 auto;padding:2rem}

.site-header{background:transparent;padding:1.25rem 0}
.nav{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:.75rem}
.brand img{width:66px;height:66px;object-fit:contain;border-radius:6px}
.brand-text strong{display:block;font-weight:700}
.brand-text small{display:block;color:var(--muted);font-size:.8rem}
.site-nav a{color:var(--muted);text-decoration:none;margin-left:1rem}
.site-nav .cta{color:var(--accent);border:1px solid rgba(76,198,255,0.12);padding:.35rem .6rem;border-radius:8px}

.hero{padding:3.25rem 0}
.hero-grid{display:grid;grid-template-columns:1fr 420px;gap:2rem;align-items:center}
.hero-content h1{font-size:2.25rem;margin:0 0 .5rem;line-height:1.02}
.lead{color:#cfe9ff;margin-bottom:.5rem}
.muted{color:var(--muted)}
.primary-btn{display:inline-block;margin-top:1rem;background:linear-gradient(90deg,var(--accent),#2ab0ff);color:#021427;padding:.6rem 1rem;border-radius:10px;text-decoration:none;font-weight:700}

.hero-visual{display:flex;justify-content:center}
.device-mock{width:320px;height:600px;border-radius:36px;background:linear-gradient(180deg,#0b2741,#09223a);box-shadow:0 20px 60px rgba(2,8,23,0.6), inset 0 1px 0 rgba(255,255,255,0.02);padding:18px}
.screen{background:linear-gradient(180deg,#071a2b,#02121b);height:100%;border-radius:18px;padding:14px;display:flex;flex-direction:column;gap:12px}
.mock-header{height:22px;background:linear-gradient(90deg,rgba(255,255,255,0.03),rgba(255,255,255,0.01));border-radius:6px}
.mock-list{display:flex;flex-direction:column;gap:10px;padding-top:6px}
.mock-item{height:48px;border-radius:10px;background:linear-gradient(90deg,rgba(255,255,255,0.02),rgba(255,255,255,0.01));box-shadow:inset 0 -2px 6px rgba(0,0,0,0.4);transform:translateY(calc(var(--i) * -2px))}

.two-column{display:grid;grid-template-columns:1fr 420px;gap:2rem;margin-top:1.5rem}
.card{background:var(--panel);border-radius:var(--radius);padding:1.25rem;border:1px solid rgba(255,255,255,0.03);box-shadow:0 8px 30px rgba(2,6,20,0.6)}

.about p{color:var(--muted)}
.features{display:flex;gap:1rem;margin-top:1rem;list-style:none;padding:0}
.features li{background:var(--glass);padding:.5rem .75rem;border-radius:10px;color:var(--muted)}

.contact form{display:flex;flex-direction:column;gap:.7rem}
.field label{display:block;color:var(--muted);font-size:.85rem;margin-bottom:.35rem}
input[type="text"], input[type="email"], select, textarea{
  width:100%;
  padding:.7rem;
  border-radius:10px;
  border:1px solid rgba(255,255,255,0.03);
  background: rgba(255,255,255,0.02);
  color:inherit;
  font-size:1rem;
}
textarea{min-height:120px}
.checkboxes{display:flex;gap:.6rem;flex-wrap:wrap}
.checkboxes label{display:inline-flex;align-items:center;gap:.45rem;color:var(--muted);font-size:.95rem}

.primary{background:linear-gradient(90deg,var(--accent),#2ab0ff);color:#021427;border:none;padding:.7rem;border-radius:10px;font-weight:700;cursor:pointer}
.primary:disabled{opacity:.6}

.toast{position:fixed;right:20px;bottom:20px;background:#0d2a3b;padding:.85rem 1rem;border-radius:10px;color:#dff4ff;box-shadow:0 10px 30px rgba(2,6,20,0.6);transform:translateY(12px);opacity:0;pointer-events:none;transition:opacity .22s ease,transform .22s ease}
.toast.show{opacity:1;transform:none;pointer-events:auto}

.site-footer{padding:2rem 0;color:var(--muted);text-align:center}

@media (max-width:980px){
  .hero-grid,.two-column{grid-template-columns:1fr}
  .hero-visual{display:none}
  .brand img{width:28px;height:28px}
}