:root {
  --bg: #07111d;
  --bg-soft: rgba(8, 20, 36, 0.78);
  --line: rgba(130, 175, 255, 0.18);
  --text: #e8eefc;
  --muted: #9fb0cf;
  --accent: #86b6ff;
  --accent-2: #66e0ff;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: Inter, Segoe UI, Arial, sans-serif; color: var(--text); background: #030812; }
body {
  background-image:
    linear-gradient(180deg, rgba(3,8,18,.58), rgba(3,8,18,.88)),
    radial-gradient(circle at top, rgba(109,164,255,.22), transparent 34%),
    url('/assets/hero-bg.jpg');
  background-size: cover;
  background-position: center top;
  background-attachment: fixed;
}
 a { color: inherit; text-decoration: none; }
 .shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
 .topbar { position: sticky; top: 0; z-index: 5; backdrop-filter: blur(18px); background: rgba(2, 7, 15, .72); border-bottom: 1px solid var(--line); }
 .topbar-inner { display:flex; align-items:center; justify-content:space-between; gap:16px; padding: 14px 0; }
 .brand { display:flex; align-items:center; gap:12px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; }
 .brand-mark { width: 38px; height: 38px; border-radius: 12px; border:1px solid rgba(134,182,255,.32); display:grid; place-items:center; background: linear-gradient(180deg, rgba(17,32,57,.95), rgba(9,18,33,.95)); box-shadow: 0 0 32px rgba(134,182,255,.16); }
 .nav { display:flex; gap:10px; flex-wrap:wrap; }
 .nav a, .btn { border:1px solid var(--line); background: rgba(8,20,36,.6); color: var(--text); padding: 11px 16px; border-radius: 14px; transition: .2s ease; }
 .btn.primary { background: linear-gradient(135deg, rgba(134,182,255,.22), rgba(102,224,255,.16)); border-color: rgba(134,182,255,.34); box-shadow: 0 10px 30px rgba(68,122,210,.16); }
 .nav a:hover, .btn:hover { transform: translateY(-1px); border-color: rgba(134,182,255,.38); }
 .hero { padding: 86px 0 52px; }
 .hero-grid { display:grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items:center; }
 .eyebrow { color: var(--accent-2); text-transform: uppercase; letter-spacing: .16em; font-size: 12px; font-weight: 700; }
 h1 { font-size: clamp(42px, 7vw, 76px); line-height: .95; margin: 12px 0 18px; letter-spacing: -.04em; }
 .lead { max-width: 700px; color: var(--muted); font-size: 18px; line-height: 1.65; }
 .hero-actions { display:flex; gap:14px; flex-wrap:wrap; margin-top: 28px; }
 .hero-card, .panel, .screenshot, .step { background: var(--bg-soft); border:1px solid var(--line); border-radius: 28px; box-shadow: 0 20px 80px rgba(0,0,0,.28); }
 .hero-card { padding: 22px; }
 .hero-card img { width:100%; border-radius: 18px; display:block; border:1px solid rgba(134,182,255,.18); }
 .hero-card p { color: var(--muted); margin: 16px 0 0; line-height: 1.6; }
 .section { padding: 22px 0 58px; }
 .section h2 { font-size: clamp(28px, 4vw, 42px); margin: 0 0 12px; }
 .section-copy { color: var(--muted); max-width: 760px; line-height: 1.7; }
 .grid-3, .grid-2 { display:grid; gap: 18px; margin-top: 26px; }
 .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
 .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
 .panel { padding: 22px; }
 .panel h3 { margin: 0 0 10px; font-size: 20px; }
 .panel p { margin: 0; color: var(--muted); line-height: 1.65; }
 .tag { display:inline-flex; padding: 8px 12px; border-radius: 999px; background: rgba(134,182,255,.1); border:1px solid rgba(134,182,255,.24); color: var(--accent-2); font-size: 12px; text-transform: uppercase; letter-spacing:.12em; margin-bottom: 14px; }
 .screens { display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 26px; }
 .screenshot { overflow:hidden; }
 .screenshot img { width:100%; display:block; }
 .screenshot .caption { padding: 16px 18px 18px; color: var(--muted); }
 .steps { display:grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 26px; }
 .step { padding: 22px; }
 .step-num { font-size: 13px; color: var(--accent-2); letter-spacing:.14em; text-transform: uppercase; margin-bottom: 12px; }
 .cta { padding: 32px; display:flex; align-items:center; justify-content:space-between; gap: 20px; }
 .footer { padding: 32px 0 52px; color: var(--muted); font-size: 14px; }
 @media (max-width: 980px) {
   .hero-grid, .grid-3, .grid-2, .screens, .steps { grid-template-columns: 1fr; }
   .cta { flex-direction: column; align-items: flex-start; }
 }