:root {
  --bg: #081121;
  --bg2: #101a31;
  --card: rgba(255,255,255,.06);
  --card-border: rgba(255,255,255,.09);
  --text: #eef2ff;
  --muted: #b8c3e1;
  --primary: #8b5cf6;
  --primary-2: #6d28d9;
  --accent: #22d3ee;
  --shadow: 0 20px 60px rgba(0,0,0,.28);
  --radius: 24px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(139,92,246,.22), transparent 28%),
    radial-gradient(circle at top right, rgba(34,211,238,.14), transparent 25%),
    linear-gradient(135deg, var(--bg), var(--bg2));
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }
.topbar {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(8,17,33,.72);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar-inner { display:flex; align-items:center; justify-content:space-between; padding: 14px 0; gap: 16px; }
.brand { display:flex; align-items:center; gap:12px; font-weight:700; }
.brand-mark { width:36px; height:36px; border-radius:14px; background: linear-gradient(135deg,var(--primary),var(--accent)); }
.nav { display:flex; flex-wrap:wrap; gap: 10px; }
.nav a { color: var(--muted); padding: 10px 14px; border-radius: 12px; }
.nav a:hover { background: rgba(255,255,255,.06); color: var(--text); }
.hero { padding: 46px 0 56px; }
.hero-grid { display:grid; grid-template-columns: 1.06fr .94fr; gap: 26px; align-items:center; }
.eyebrow {
  display:inline-block; margin-bottom:14px; padding: 8px 12px; border-radius: 999px;
  background: rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.08);
  color:#d5def9; font-size:12px; font-weight:700; letter-spacing:.12em; text-transform:uppercase;
}
.hero-copy h1 { margin: 0 0 14px; font-size: clamp(40px, 6vw, 72px); line-height: .95; letter-spacing:-.03em; }
.hero-copy p { margin: 0 0 20px; color: var(--muted); font-size: 18px; line-height: 1.7; max-width: 680px; }
.actions { display:flex; gap: 12px; flex-wrap:wrap; }
.btn {
  display:inline-flex; align-items:center; justify-content:center; min-height:50px; padding: 0 18px;
  border-radius: 14px; border: none; cursor:pointer; font-weight:700;
}
.btn-primary { color:#fff; background: linear-gradient(135deg,var(--primary),var(--primary-2)); box-shadow: 0 16px 34px rgba(109,40,217,.32); }
.btn-ghost { color: var(--text); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.10); }
.full { width: 100%; margin-top: 12px; }
.phone-card, .feature, .auth-card, .profile-card {
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  border:1px solid var(--card-border); border-radius: 28px; box-shadow: var(--shadow);
}
.phone-card { padding: 18px; }
.screen {
  min-height: 520px; border-radius: 24px; overflow:hidden;
  background: linear-gradient(180deg,#1c2540 0%, #0b1221 100%);
  position: relative;
}
.video-overlay {
  position:absolute; inset:0; display:flex; align-items:end; padding: 22px;
  background: linear-gradient(180deg, rgba(0,0,0,.06), rgba(0,0,0,.68));
}
.badge { display:inline-block; margin-bottom: 10px; padding: 8px 12px; border-radius:999px; background: rgba(255,255,255,.12); font-size:13px; font-weight:700; }
.video-overlay h2 { margin: 0 0 6px; font-size: 30px; }
.video-overlay p { margin: 0; color: #d6def5; }
.features { display:grid; grid-template-columns:repeat(3,1fr); gap: 18px; margin-top: 16px; }
.feature { padding: 22px; }
.feature h3 { margin: 0 0 10px; font-size: 20px; }
.feature p { margin:0; color: var(--muted); line-height: 1.7; }
.auth-wrap { min-height: calc(100vh - 72px); display:flex; align-items:center; justify-content:center; padding: 34px 16px 42px; }
.auth-card { width: min(100%, 460px); padding: 28px; }
.auth-card h1 { margin:0 0 10px; text-align:center; font-size:34px; }
.sub { margin:0 0 20px; text-align:center; color: var(--muted); line-height:1.6; }
label { display:block; margin: 12px 0 8px; font-size:14px; font-weight:700; color:#d9e1fb; }
input {
  width:100%; min-height: 52px; padding: 0 14px; border-radius: 14px; border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.06); color: #fff; outline:none;
}
input::placeholder { color: #9badcf; }
input:focus { border-color: rgba(139,92,246,.66); box-shadow: 0 0 0 3px rgba(139,92,246,.14); }
.alert {
  margin-bottom: 16px; padding: 12px 14px; border-radius:14px;
  background: rgba(251,113,133,.12); border:1px solid rgba(251,113,133,.26); color:#ffe3ea;
}
.muted-center { text-align:center; color: var(--muted); line-height:1.6; }
.muted-center a { color:#ddd6fe; font-weight:700; }
.profile-wrap { padding: 34px 0 50px; }
.profile-card { padding: 26px; }
.profile-head { display:flex; align-items:center; gap: 16px; margin-bottom: 22px; }
.avatar {
  width: 68px; height: 68px; border-radius: 20px; display:flex; align-items:center; justify-content:center;
  background: linear-gradient(135deg,var(--primary),var(--accent)); font-size: 28px; font-weight:700;
}
.profile-head h1 { margin: 0 0 4px; }
.profile-head p { margin:0; color: var(--muted); }
.profile-grid { display:grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.profile-grid div {
  padding: 16px; border-radius: 18px; background: rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.08);
}
.profile-grid strong { display:block; margin-bottom: 8px; }
.profile-grid span { color: var(--muted); line-height: 1.6; }
.footer { padding: 24px 0 34px; text-align:center; color:#97a6c9; }
@media (max-width: 900px) {
  .hero-grid, .features, .profile-grid { grid-template-columns: 1fr; }
  .hero-copy h1 { font-size: 46px; }
  .screen { min-height: 430px; }
}