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

html, body {
  background: #05060a;
  color: #e9edf5;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

#bg {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
}

main {
  position: relative;
  z-index: 1;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 6%;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: linear-gradient(to bottom, rgba(5,6,10,0.7), transparent);
}

.logo {
  font-weight: 700;
  letter-spacing: 4px;
  font-size: 1.2rem;
  color: #7ef9ff;
  text-shadow: 0 0 12px rgba(126, 249, 255, 0.6);
  text-decoration: none;
}

.nav-links a {
  color: #c5cce0;
  text-decoration: none;
  margin-left: 32px;
  font-size: 0.9rem;
  letter-spacing: 1px;
  transition: color 0.3s;
}
.nav-links a:hover { color: #7ef9ff; }
.nav-links .cta {
  border: 1px solid #7ef9ff;
  padding: 8px 18px;
  border-radius: 999px;
}

.enter-btn {
  display: inline-block;
  padding: 16px 38px;
  border-radius: 999px;
  border: 1px solid #7ef9ff;
  color: #7ef9ff;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
  transition: color 0.3s, box-shadow 0.3s;
}
.enter-btn:hover {
  color: #05060a;
  box-shadow: 0 0 40px rgba(126,249,255,0.5);
}
.enter-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: #7ef9ff;
  transform: translateX(-100%);
  transition: transform 0.35s ease;
  z-index: -1;
}
.enter-btn:hover::before { transform: translateX(0); }