:root {
  --bg: #0b1020;
  --bg-2: #0f1630;
  --surface: #141c3a;
  --surface-2: #1a2347;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8ecf8;
  --muted: #9aa5c4;
  --accent: #5b8cff;
  --accent-2: #36d6c3;
  --radius: 16px;
  --max: 1160px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ── Header ─────────────────────────────────────────── */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 16, 32, 0.78);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; letter-spacing: -0.01em; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; color: #0b1020; font-weight: 800; font-size: 15px;
}
.nav { display: flex; align-items: center; gap: 30px; font-size: 15px; color: var(--muted); }
.nav a:hover { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 15px;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), #7a6bff); color: #fff; box-shadow: 0 8px 28px rgba(91, 140, 255, 0.35); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 34px rgba(91, 140, 255, 0.45); }
.btn-ghost { border-color: var(--border); color: var(--text); background: rgba(255,255,255,0.03); }
.btn-ghost:hover { background: rgba(255,255,255,0.07); }
.nav .btn { color: #fff; padding: 9px 18px; }
.menu-toggle { display: none; background: none; border: 0; color: var(--text); font-size: 26px; cursor: pointer; }

/* ── Hero ───────────────────────────────────────────── */
.hero { position: relative; overflow: hidden; padding: 110px 0 90px; }
.hero::before {
  content: ""; position: absolute; inset: -40% -10% auto -10%; height: 900px;
  background:
    radial-gradient(600px 380px at 20% 30%, rgba(91,140,255,0.28), transparent 70%),
    radial-gradient(520px 340px at 80% 20%, rgba(54,214,195,0.18), transparent 70%);
  pointer-events: none;
}
.hero .container { position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
  color: var(--accent-2); background: rgba(54,214,195,0.08); border: 1px solid rgba(54,214,195,0.25);
  letter-spacing: .02em;
}
.hero h1 {
  font-size: clamp(38px, 6vw, 66px); line-height: 1.06; letter-spacing: -0.03em;
  margin: 22px 0 22px; max-width: 900px; font-weight: 800;
}
.grad { background: linear-gradient(135deg, #8fb0ff, var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 680px; margin: 0 0 36px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.platforms { margin-top: 70px; padding-top: 28px; border-top: 1px solid var(--border); }
.platforms small { display: block; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 16px; }
.platform-list { display: flex; flex-wrap: wrap; gap: 12px; }
.chip {
  padding: 9px 16px; border-radius: 10px; font-size: 15px; font-weight: 600; color: #c9d3ee;
  background: var(--surface); border: 1px solid var(--border);
}

/* ── Sections ───────────────────────────────────────── */
section { padding: 96px 0; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head .kicker { color: var(--accent); font-weight: 700; font-size: 14px; text-transform: uppercase; letter-spacing: .12em; }
.section-head h2 { font-size: clamp(30px, 4vw, 44px); line-height: 1.12; letter-spacing: -0.02em; margin: 12px 0 14px; }
.section-head p { color: var(--muted); margin: 0; font-size: 18px; }

.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 30px;
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-3px); border-color: rgba(91,140,255,0.35); }
.card h3 { margin: 18px 0 10px; font-size: 20px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(91,140,255,0.12); border: 1px solid rgba(91,140,255,0.25); color: #9cb8ff;
}
.icon svg { width: 22px; height: 22px; }
.card.featured { border-color: rgba(91,140,255,0.4); background: linear-gradient(180deg, #1b2652, var(--bg-2)); }
.tag { display: inline-block; margin-top: 16px; font-size: 13px; font-weight: 600; color: var(--accent-2); }

/* Steps */
.step { position: relative; padding: 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.step .num { font-size: 14px; font-weight: 800; color: var(--accent); letter-spacing: .1em; }
.step h3 { margin: 10px 0 8px; font-size: 19px; }
.step p { margin: 0; color: var(--muted); font-size: 15.5px; }

/* About */
.about { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: start; }
.about p { color: var(--muted); font-size: 17.5px; }
.facts { display: grid; gap: 14px; }
.fact { display: flex; justify-content: space-between; gap: 20px; padding: 18px 22px; border-radius: 12px; background: var(--surface); border: 1px solid var(--border); font-size: 15.5px; }
.fact span:first-child { color: var(--muted); }
.fact span:last-child { font-weight: 600; text-align: right; }

/* Contact */
.contact-box {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center;
  padding: 56px; border-radius: 24px;
  background:
    radial-gradient(500px 260px at 0% 0%, rgba(91,140,255,0.25), transparent 70%),
    radial-gradient(420px 240px at 100% 100%, rgba(54,214,195,0.18), transparent 70%),
    var(--surface);
  border: 1px solid rgba(91,140,255,0.25);
}
.contact-box h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 14px; }
.contact-box p { color: var(--muted); margin: 0 0 28px; }
.contact-list { display: grid; gap: 16px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; padding: 18px 20px; border-radius: 14px; background: rgba(11,16,32,0.55); border: 1px solid var(--border); }
.contact-item small { display: block; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 2px; }
.contact-item strong { font-weight: 600; font-size: 16px; }
.contact-item .icon { width: 40px; height: 40px; flex-shrink: 0; }

/* Footer */
.footer { padding: 44px 0; border-top: 1px solid var(--border); color: var(--muted); font-size: 14.5px; }
.footer .container { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
.footer nav { display: flex; gap: 24px; }
.footer a:hover { color: var(--text); }

/* Legal pages */
.legal { padding: 80px 0 100px; }
.legal .container { max-width: 820px; }
.legal h1 { font-size: clamp(32px, 4.5vw, 46px); letter-spacing: -0.02em; margin: 0 0 8px; }
.legal .updated { color: var(--muted); margin: 0 0 40px; }
.legal h2 { font-size: 22px; margin: 40px 0 10px; }
.legal p, .legal li { color: #c3cbe2; }
.legal a { color: #9cb8ff; text-decoration: underline; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .about, .contact-box { grid-template-columns: 1fr; }
  .contact-box { padding: 36px; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  .menu-toggle { display: block; }
  .nav {
    position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); display: none; padding: 8px 16px 18px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 4px; border-bottom: 1px solid var(--border); }
  .nav .btn { margin-top: 14px; border: 0; }
  .hero { padding: 72px 0 64px; }
  section { padding: 72px 0; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .contact-box { padding: 26px; border-radius: 18px; }
  .fact { flex-direction: column; gap: 2px; }
  .fact span:last-child { text-align: left; }
  .footer .container { flex-direction: column; align-items: flex-start; }
}