:root {
  --bg: #0b1626;
  --bg-2: #0f1d31;
  --panel: #132640;
  --line: #1f3654;
  --text: #e6edf5;
  --muted: #9fb0c4;
  --accent: #2dd4bf;
  --accent-ink: #062a26;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); }
img, svg { max-width: 100%; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Header */
.top { position: sticky; top: 0; z-index: 10; background: rgba(11, 22, 38, .92); border-bottom: 1px solid var(--line); backdrop-filter: blur(8px); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 20px; letter-spacing: .2px; }
.logo img { width: 30px; height: 30px; }
.logo b { font-weight: 700; }
.logo span { color: var(--accent); }
.nav { display: flex; gap: 24px; align-items: center; }
.nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav a:hover { color: var(--text); }
.nav .btn { color: var(--accent-ink); }

/* Buttons */
.btn { display: inline-block; background: var(--accent); color: var(--accent-ink); font-weight: 650; text-decoration: none; padding: 12px 22px; border-radius: 10px; border: 1px solid var(--accent); }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--muted); }

/* Hero */
.hero { padding: 96px 0 72px; background: radial-gradient(900px 420px at 80% -10%, rgba(45, 212, 191, .16), transparent 60%), linear-gradient(180deg, var(--bg-2), var(--bg)); border-bottom: 1px solid var(--line); }
.eyebrow { display: inline-block; color: var(--accent); font-size: 13px; font-weight: 650; letter-spacing: 1.6px; text-transform: uppercase; margin-bottom: 18px; }
h1 { font-size: clamp(34px, 5.4vw, 58px); line-height: 1.08; margin: 0 0 22px; letter-spacing: -.8px; max-width: 16ch; }
.lead { font-size: clamp(18px, 2.1vw, 21px); color: var(--muted); max-width: 60ch; margin: 0 0 34px; }
.cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* Sections */
section { padding: 84px 0; }
section.alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(26px, 3.4vw, 36px); line-height: 1.2; margin: 0 0 12px; letter-spacing: -.4px; }
.sub { color: var(--muted); margin: 0 0 40px; max-width: 62ch; }
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 26px; }
.card h3 { margin: 14px 0 8px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.icon { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: rgba(45, 212, 191, .12); border: 1px solid rgba(45, 212, 191, .3); }
.icon svg { width: 22px; height: 22px; stroke: var(--accent); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* Two columns */
.split { display: grid; gap: 48px; grid-template-columns: 1fr 1fr; align-items: center; }
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.list li { display: grid; grid-template-columns: 26px 1fr; gap: 12px; }
.list li::before { content: ""; width: 20px; height: 20px; margin-top: 4px; border-radius: 50%; background: rgba(45, 212, 191, .15); border: 2px solid var(--accent); }
.list strong { display: block; }
.list span { color: var(--muted); font-size: 16px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 28px; }
.panel dl { margin: 0; display: grid; gap: 18px; }
.panel dt { color: var(--muted); font-size: 14px; }
.panel dd { margin: 2px 0 0; font-weight: 600; }

/* Steps */
.steps { counter-reset: s; display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.step { counter-increment: s; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 26px; }
.step::before { content: counter(s); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 700; margin-bottom: 14px; }
.step h3 { margin: 0 0 6px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); font-size: 16px; }

/* Contact */
.contact { text-align: center; }
.contact .sub { margin-left: auto; margin-right: auto; }
.contact .cta { justify-content: center; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 820px) {
  .nav a:not(.btn) { display: none; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 64px 0 52px; }
  section { padding: 60px 0; }
  .wrap { padding: 0 16px; }
}