:root {
  --bg: #05060d;
  --bg-alt: #0a0c1a;
  --surface: #10132a;
  --border: #232750;
  --text: #e6ecf5;
  --muted: #9aa8bf;
  --accent: #32effb;
  --accent-2: #5346bc;
  --accent-ink: #05060d;
  --radius: 12px;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 720px; }
.center { text-align: center; }

.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(5, 6, 13, .85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand img { width: 30px; height: auto; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.1rem; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover { color: var(--text); }
.nav-links a.btn { color: var(--accent-ink); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; margin: 5px 0; background: var(--text); }

.btn {
  display: inline-block; padding: 12px 22px; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 600; text-decoration: none; border: 1px solid var(--accent);
}
.btn:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-small { padding: 8px 16px; }

.hero {
  padding: 72px 0 100px;
  background:
    radial-gradient(800px 400px at 80% -10%, rgba(50, 239, 251, .14), transparent 60%),
    radial-gradient(600px 300px at 0% 100%, rgba(83, 70, 188, .22), transparent 60%);
}
.hero-inner { max-width: 820px; text-align: center; }
.hero-logo { width: 100%; max-width: 720px; height: auto; margin: 0 auto 24px; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; font-weight: 600; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 640px; margin: 0 auto; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 28px; }

.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 32px; }
.card:hover { border-color: var(--accent-2); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.card p { color: var(--muted); margin: 0; }

.steps { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; counter-reset: step; }
.steps li { counter-increment: step; padding: 24px; border-left: 2px solid var(--accent-2); background: var(--surface); border-radius: 0 var(--radius) var(--radius) 0; }
.steps li::before { content: "0" counter(step); display: block; color: var(--accent); font-weight: 700; margin-bottom: 8px; }
.steps p { color: var(--muted); margin: 0; }

.site-footer { padding: 32px 0; color: var(--muted); font-size: .9rem; }
.site-footer p { margin: 0; }

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 16px;
    padding: 20px 16px; background: var(--bg); border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .hero { padding: 48px 0 64px; }
  .section { padding: 64px 0; }
}