:root {
  --bg: #0b1220;
  --bg2: #111b2e;
  --card: #15213a;
  --line: #22314f;
  --text: #e6ecf5;
  --muted: #93a3bd;
  --accent: #1e88e5;
  --accent2: #0d47a1;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: #64b5f6; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.top { position: sticky; top: 0; background: rgba(11, 18, 32, .9); border-bottom: 1px solid var(--line); backdrop-filter: blur(8px); z-index: 1; }
.top-row { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--text); text-decoration: none; }
nav { display: flex; align-items: center; gap: 24px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--text); }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px; border: 1px solid transparent;
  background: linear-gradient(135deg, var(--accent2), var(--accent)); color: #fff !important;
  font-weight: 600; text-decoration: none; transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(30, 136, 229, .35); }
.btn-sm { padding: 8px 16px; }
.btn-ghost { background: transparent; border-color: var(--line); }
.hero { padding: 80px 0 64px; background: radial-gradient(1000px 400px at 80% 0, rgba(30, 136, 229, .18), transparent), var(--bg); }
.hero-row { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
.hero-icon { justify-self: center; filter: drop-shadow(0 20px 40px rgba(13, 71, 161, .5)); }
h1 { font-size: clamp(32px, 4.5vw, 52px); line-height: 1.15; margin: 0 0 20px; }
h2 { font-size: 30px; margin: 64px 0 24px; }
h3 { margin: 0 0 8px; font-size: 18px; }
.lead { font-size: 19px; color: var(--muted); max-width: 560px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid.dl { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.card p { color: var(--muted); margin: 0 0 16px; }
.card.soon { opacity: .6; }
.band { background: var(--bg2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: 64px; padding-bottom: 48px; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checks li { padding-left: 32px; position: relative; }
.checks li::before { content: "✓"; position: absolute; left: 0; color: #4caf50; font-weight: 700; }
code { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; font-size: 13px; }
.foot { margin-top: 80px; padding: 32px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 400px) { .brand { font-size: 16px; } .brand img { width: 26px; height: 26px; } }
@media (max-width: 800px) {
  .hero-row, .grid, .grid.dl { grid-template-columns: 1fr; }
  .hero-icon { width: 160px; height: 160px; order: -1; }
  nav a:not(.btn) { display: none; }
}