.glass-card {
  background: var(--glass);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 3rem;
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.glass-card:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: var(--primary);
  box-shadow: 0 12px 48px 0 rgba(56, 189, 248, 0.2);
}

.btn-cyber {
  position: relative;
  padding: 1rem 2rem;
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 8px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  overflow: hidden;
  transition: 0.4s;
  text-decoration: none;
  display: inline-block;
}

.btn-cyber::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.2), transparent);
  transition: 0.5s;
}

.btn-cyber:hover::before { left: 100%; }
.btn-cyber:hover {
  background: var(--primary);
  color: #000;
  box-shadow: 0 0 20px var(--primary);
}

@media (max-width: 768px) {
  .glass-card {
    padding: 1.5rem;
    border-radius: 16px;
  }
  .btn-cyber {
    padding: 0.85rem 1.25rem;
    letter-spacing: 1px;
    font-size: 0.85rem;
  }
}