/* Glassmorphism Effects */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

.glass-sm {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: 2rem;
}

/* Frosted overlay */
.glass-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 100;
}

/* Gradient borders */
.glass-border-gradient {
  position: relative;
}
.glass-border-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(168,85,247,0.4), rgba(6,182,212,0.4));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* Animated gradient background for hero */
.glass-hero-bg {
  position: relative;
  overflow: hidden;
}
.glass-hero-bg::after {
  content: '';
  position: absolute;
  inset: -50%;
  background: conic-gradient(
    from 0deg at 50% 50%,
    rgba(168,85,247,0.08) 0deg,
    rgba(6,182,212,0.08) 120deg,
    rgba(236,72,153,0.08) 240deg,
    rgba(168,85,247,0.08) 360deg
  );
  animation: rotateBg 20s linear infinite;
  pointer-events: none;
  z-index: 0;
}
.glass-hero-bg > * { position: relative; z-index: 1; }

@keyframes rotateBg {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Noise texture overlay */
.glass-noise::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  border-radius: inherit;
  pointer-events: none;
  opacity: 0.4;
}