:root {
  --bg: #05050f;
  --cyan: #00f0ff;
  --magenta: #ff2bd6;
  --text: #eef2ff;
  --muted: #9aa3c7;
  --card: rgba(255, 255, 255, .045);
  --stroke: rgba(255, 255, 255, .12);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
}
#bg3d {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: -2;
}
.vignette {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 45%, rgba(3,3,10,.75) 100%);
}
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 32px;
  background: linear-gradient(rgba(5,5,15,.75), transparent);
  backdrop-filter: blur(6px);
}
.logo { font-size: 26px; font-weight: 800; letter-spacing: 2px; color: var(--text); text-decoration: none; }
.logo span { color: var(--cyan); }
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; letter-spacing: 1px; transition: color .25s; }
.nav-links a:hover { color: var(--cyan); }

.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 0 24px; position: relative;
}
.hero-inner { max-width: 760px; animation: rise 1.1s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(34px); } to { opacity: 1; transform: none; } }
.kicker {
  color: var(--cyan); letter-spacing: 6px; text-transform: uppercase;
  font-size: 13px; margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(44px, 9vw, 104px);
  font-weight: 800; letter-spacing: 6px; line-height: 1.05;
  background: linear-gradient(100deg, #fff 20%, var(--cyan) 50%, var(--magenta) 80%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 80px rgba(0, 240, 255, .25);
}
.sub { color: var(--muted); font-size: 17px; line-height: 1.7; margin: 22px 0 34px; }
.cta-row { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  padding: 14px 38px; border-radius: 999px; text-decoration: none;
  font-weight: 700; letter-spacing: 1px; font-size: 15px;
  transition: transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-3px); }
.btn.primary {
  background: linear-gradient(100deg, var(--cyan), var(--magenta));
  color: #04121a; box-shadow: 0 8px 32px rgba(0, 240, 255, .35);
}
.btn.ghost { border: 1px solid var(--stroke); color: var(--text); background: var(--card); }

.scroll-hint {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  color: var(--muted); font-size: 11px; letter-spacing: 4px; text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.scroll-hint span { width: 1px; height: 44px; background: linear-gradient(var(--cyan), transparent); animation: drop 1.8s ease-in-out infinite; }
@keyframes drop { 0% { transform: scaleY(0); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: top; } 56% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

.marquee {
  overflow: hidden; white-space: nowrap; padding: 20px 0;
  border-top: 1px solid var(--stroke); border-bottom: 1px solid var(--stroke);
  background: rgba(255,255,255,.02);
}
.marquee-track { display: inline-block; animation: slide 22s linear infinite; }
.marquee-track span { font-size: 20px; font-weight: 700; letter-spacing: 5px; color: var(--muted); margin: 0 18px; }
.marquee-track span:nth-child(4n+1) { color: var(--cyan); }
@keyframes slide { to { transform: translateX(-50%); } }

.section { max-width: 1080px; margin: 0 auto; padding: 110px 24px; text-align: center; }
.section h2 { font-size: clamp(30px, 5vw, 52px); font-weight: 800; letter-spacing: 1px; margin-bottom: 20px; }
.section h2 em { font-style: normal; background: linear-gradient(100deg, var(--cyan), var(--magenta)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--muted); font-size: 17px; line-height: 1.8; max-width: 640px; margin: 0 auto; }
.stats { display: flex; gap: 20px; justify-content: center; margin-top: 56px; flex-wrap: wrap; }
.stat {
  background: var(--card); border: 1px solid var(--stroke); border-radius: 18px;
  padding: 30px 44px; min-width: 170px; backdrop-filter: blur(8px);
}
.stat b { display: block; font-size: 44px; background: linear-gradient(100deg, var(--cyan), var(--magenta)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat i { font-style: normal; color: var(--muted); font-size: 13px; letter-spacing: 2px; text-transform: uppercase; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; margin-top: 56px; text-align: left; }
.card {
  background: var(--card); border: 1px solid var(--stroke); border-radius: 20px;
  padding: 36px 30px; backdrop-filter: blur(10px);
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-8px); border-color: rgba(0,240,255,.45); box-shadow: 0 20px 60px rgba(0,240,255,.12); }
.card .icon { font-size: 34px; margin-bottom: 18px; background: linear-gradient(100deg, var(--cyan), var(--magenta)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.card h3 { font-size: 20px; margin-bottom: 12px; letter-spacing: .5px; }
.card p { color: var(--muted); line-height: 1.7; font-size: 15px; }

.footer { text-align: center; padding: 90px 24px 60px; border-top: 1px solid var(--stroke); }
.footer .big {
  font-size: clamp(34px, 7vw, 72px); font-weight: 800; letter-spacing: 3px;
  background: linear-gradient(100deg, var(--cyan), var(--magenta), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.footer .small { color: var(--muted); margin-top: 16px; font-size: 13px; letter-spacing: 2px; }

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav { padding: 14px 20px; }
  .hero h1 { letter-spacing: 3px; }
  .sub { font-size: 15px; }
  .section { padding: 80px 20px; }
  .stat { padding: 22px 30px; min-width: 140px; }
  .stat b { font-size: 34px; }
  .cta-row .btn { padding: 13px 30px; font-size: 14px; }
}