:root {
  --bg: #0b1220;
  --panel: #0f172a;
  --text: #e6edf3;
  --muted: #94a3b8;
  --brand: #39bdf8;
  --brand-ink: #031926;
  --ok: #22c55e;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container { width: min(1100px, 92%); margin: 0 auto; }
.row { display: flex; gap: 1rem; }
.between { justify-content: space-between; }
.center { align-items: center; }

.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 18, 32, 0.8);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.site-header .brand { font-weight: 700; letter-spacing: 0.2px; }
.nav { display: flex; gap: 1rem; align-items: center; }
.nav a { color: var(--text); text-decoration: none; opacity: 0.85; }
.nav a:hover { opacity: 1; }
.nav .call { opacity: 1; font-weight: 600; }

.demo-banner { background: #051225; color: var(--text); border-bottom: 1px solid rgba(255,255,255,0.06); font-size: 14px; }
.demo-banner .container { display: flex; justify-content: center; padding: 8px 0; gap: 8px; }
.demo-banner a { color: var(--brand); text-decoration: none; font-weight: 600; }

.hero {
  padding: 72px 0 40px;
  background: radial-gradient(80% 120% at 50% 0%, #11213a 0%, var(--bg) 60%);
  text-align: center;
}
.hero h1 { font-size: clamp(28px, 4vw, 44px); line-height: 1.15; margin: 0 0 12px; }
.hero .subtitle { color: var(--muted); margin: 0 0 20px; }
.hero .actions { display: flex; gap: 12px; justify-content: center; margin-bottom: 16px; }
.hero .proof { color: var(--muted); font-weight: 600; }
.hero-media { margin-top: 18px; display: flex; justify-content: center; }
.hero-media img { width: 100%; max-width: 1000px; border-radius: 14px; border: 1px solid rgba(255,255,255,0.08); box-shadow: 0 10px 30px rgba(0,0,0,0.45); }

.section { padding: 48px 0; }
.section.muted { background: #0d1526; }
.section h2 { font-size: clamp(22px, 3vw, 32px); margin: 0 0 16px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 18px;
}
.pkg-img { width: 100%; height: 160px; object-fit: cover; border-radius: 10px; border: 1px solid rgba(255,255,255,0.06); margin-bottom: 10px; background: #0d1526; }
.card h3 { margin: 0 0 6px; }
.card .price { font-size: 28px; font-weight: 700; margin: 8px 0 10px; }
.card ul { margin: 0 0 16px 18px; color: var(--muted); }
.card.featured { outline: 2px solid var(--brand); }
.note { color: var(--muted); font-size: 14px; margin-top: 6px; }

.steps { display: grid; gap: 10px; }
.step { background: var(--panel); padding: 12px 14px; border: 1px solid rgba(255,255,255,0.06); border-radius: 10px; }
.guarantee { color: var(--ok); font-weight: 600; margin-top: 14px; }

form .grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (max-width: 800px) { form .grid { grid-template-columns: 1fr; } }
label { display: grid; gap: 6px; font-size: 14px; }
label.full { grid-column: 1 / -1; }
input, select, textarea {
  background: #0b1424;
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
}
.form-actions { display: flex; gap: 10px; margin-top: 12px; }
.fineprint { color: var(--muted); font-size: 12px; }

.btn { display: inline-block; padding: 10px 14px; border-radius: 10px; text-decoration: none; border: 1px solid transparent; cursor: pointer; font-weight: 600; }
.btn-primary { background: var(--brand); color: var(--brand-ink); }
.btn-primary:hover { filter: brightness(0.95); }
.btn-secondary { background: #0d1526; border-color: rgba(255,255,255,0.12); color: var(--text); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,0.12); color: var(--text); }

.site-footer { padding: 24px 0; border-top: 1px solid rgba(255,255,255,0.06); }

details { background: var(--panel); border: 1px solid rgba(255,255,255,0.06); border-radius: 10px; padding: 10px 12px; margin-bottom: 10px; }

a { color: #8fd2ff; }

.video-wrap { position: relative; width: 100%; aspect-ratio: 16 / 9; background: #0d1526; border: 1px solid rgba(255,255,255,0.06); border-radius: 12px; overflow: hidden; }
.video-wrap video { width: 100%; height: 100%; object-fit: cover; display: block; }