/* ============================================
   Glassmorphic Utilities
   Depth through transparency + blur, no gradients
   ============================================ */

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px var(--glass-shadow);
}

.glass-panel--subtle {
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px var(--glass-shadow);
}

.glass-panel--strong {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 12px 48px var(--glass-shadow);
}

/* Glass card with hover lift */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px var(--glass-shadow);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px var(--glass-shadow);
}

/* Glass divider line */
.glass-divider {
  height: 1px;
  background: var(--glass-border);
  border: none;
}

/* Reduce blur on mobile for performance */
@media (max-width: 767px) {
  .glass-panel,
  .glass-panel--strong,
  .glass-card {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
}