:root {
  --bg: #0b0f1a;
  --accent: #00d4ff;
  --accent2: #6366f1;
  --text: #e5edf8;
  --muted: #8ba3c7;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Segoe UI", "PingFang SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow: hidden;
}

.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.glow-a { width: 420px; height: 420px; top: -80px; left: 20%; background: rgba(99, 102, 241, 0.25); }
.glow-b { width: 360px; height: 360px; bottom: -60px; right: 15%; background: rgba(0, 212, 255, 0.18); }

.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px 24px;
}

.badge {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid rgba(0, 212, 255, 0.35);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 28px;
  background: rgba(0, 212, 255, 0.06);
}

h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.25;
  max-width: 720px;
  background: linear-gradient(90deg, var(--text) 20%, var(--accent) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  margin-top: 16px;
  color: var(--muted);
  font-size: clamp(14px, 2.5vw, 18px);
  max-width: 520px;
}

.actions { margin-top: 40px; }

.btn-primary {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 10px;
  text-decoration: none;
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 32px rgba(0, 212, 255, 0.25);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 48px rgba(0, 212, 255, 0.35);
}

.footer {
  position: absolute;
  bottom: 24px;
  color: var(--muted);
  font-size: 13px;
  opacity: 0.7;
}

@media (max-width: 600px) {
  .footer { position: static; margin-top: 48px; }
}