:root {
  --bg: #0a0e1a;
  --bg2: #111830;
  --card: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.09);
  --text: #e8ecf4;
  --muted: #93a0b8;
  --accent: #4f7cff;
  --accent2: #00d4ff;
  --radius: 18px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- background glow ---- */
.glow {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px 400px at 15% 10%, rgba(79, 124, 255, 0.18), transparent 60%),
    radial-gradient(700px 500px at 85% 85%, rgba(0, 212, 255, 0.10), transparent 60%),
    var(--bg);
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---- header ---- */
header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 14, 26, 0.7);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-size: 1.3rem; font-weight: 800; letter-spacing: 0.5px; text-decoration: none; color: var(--text); }
.logo span { background: linear-gradient(90deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.95rem; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
@media (max-width: 640px) { .nav-links { display: none; } }

/* ---- hero ---- */
.hero { padding: 120px 0 90px; text-align: center; }
.badge {
  display: inline-block; padding: 6px 16px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--card);
  color: var(--muted); font-size: 0.85rem; margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800; line-height: 1.12;
  letter-spacing: -1px; margin-bottom: 22px;
}
.hero h1 .grad {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p { max-width: 620px; margin: 0 auto 40px; color: var(--muted); font-size: 1.15rem; }
.btn-row { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 14px 32px; border-radius: 12px;
  font-weight: 600; font-size: 1rem; text-decoration: none; transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(90deg, var(--accent), var(--accent2)); color: #fff; box-shadow: 0 8px 30px rgba(79, 124, 255, 0.35); }
.btn-ghost { border: 1px solid var(--border); color: var(--text); background: var(--card); }

/* ---- sections ---- */
section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 14px; font-size: 2rem; font-weight: 700; letter-spacing: -0.5px; }
.section-sub { text-align: center; color: var(--muted); max-width: 560px; margin: 0 auto 52px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px 28px; transition: transform .2s, border-color .2s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(79, 124, 255, 0.45); }
.card .icon {
  width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(79,124,255,.25), rgba(0,212,255,.15));
  border: 1px solid var(--border);
}
.card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.96rem; }

/* ---- stats ---- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 22px; text-align: center; }
.stat { padding: 28px 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); }
.stat .num { font-size: 2.4rem; font-weight: 800; background: linear-gradient(90deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .lbl { color: var(--muted); font-size: 0.92rem; margin-top: 6px; }

/* ---- contact ---- */
.contact-box {
  max-width: 640px; margin: 0 auto; text-align: center;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(79,124,255,.08), transparent), var(--card);
  padding: 56px 36px;
}
.contact-box h2 { font-size: 1.8rem; margin-bottom: 12px; }
.contact-box p { color: var(--muted); margin-bottom: 28px; }
.contact-list { display: flex; flex-direction: column; gap: 12px; align-items: center; }
.contact-list a { color: var(--text); text-decoration: none; font-size: 1.05rem; }
.contact-list a:hover { color: var(--accent2); }

footer { border-top: 1px solid var(--border); padding: 32px 0; text-align: center; color: var(--muted); font-size: 0.9rem; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }