/* =============================================
   EFFECTS — Glass, Glow, Neon Utilities
   ============================================= */

/* Glassmorphism — warm red tint */
.glass {
  background: rgba(229, 37, 53, 0.05);
  border: 1px solid var(--c-glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

/* Glow effects */
.glow-border {
  box-shadow: var(--glow-red-subtle);
  transition: box-shadow var(--t-fast);
}

.glow-border:hover {
  box-shadow: var(--glow-red);
}

.glow-text {
  text-shadow: var(--glow-text);
}

/* Gradient text — rich warm red spectrum */
.gradient-text {
  background: linear-gradient(135deg, var(--c-red-hot), var(--c-red-vivid), var(--c-rose));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 15px rgba(229, 37, 53, 0.25));
}

/* Neon line divider */
.neon-line {
  position: relative;
}

.neon-line::after {
  content: '';
  display: block;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-red), var(--c-rose), var(--c-red), transparent);
  box-shadow: 0 0 12px rgba(229, 37, 53, 0.5);
}

/* Shimmer loading effect */
.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(229, 37, 53, 0.06) 50%,
    transparent 100%
  );
  animation: shimmerAnim 2s infinite;
}

@keyframes shimmerAnim {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Red accent underline */
.accent-underline {
  position: relative;
  display: inline-block;
}

.accent-underline::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-red), var(--c-rose));
  box-shadow: 0 0 8px rgba(229, 37, 53, 0.4);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out-expo);
}

.accent-underline:hover::after {
  transform: scaleX(1);
}

/* Particle canvas */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-particles);
  pointer-events: none;
}

/* Custom cursor elements — warm red */
.custom-cursor {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--c-red-vivid);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%);
  box-shadow:
    0 0 8px rgba(255, 45, 70, 0.7),
    0 0 20px rgba(229, 37, 53, 0.4),
    0 0 40px rgba(229, 37, 53, 0.15);
  transition: width 0.3s var(--ease-out-expo), height 0.3s var(--ease-out-expo), background 0.3s;
  mix-blend-mode: screen;
}

.custom-cursor.hover {
  width: 40px;
  height: 40px;
  background: transparent;
  border: 2px solid var(--c-red-vivid);
  box-shadow: var(--glow-red);
}

.cursor-trail {
  position: fixed;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  pointer-events: none;
  z-index: calc(var(--z-cursor) - 1);
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(229, 37, 53, 0.18) 0%, rgba(255, 45, 70, 0.04) 50%, transparent 70%);
  mix-blend-mode: screen;
}

/* Page transition overlay */
.page-transition {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: linear-gradient(135deg, var(--c-red-dark), var(--c-red), var(--c-crimson));
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}

.page-transition.active {
  animation: pageWipe 0.6s var(--ease-in-out) forwards;
}

@keyframes pageWipe {
  0% { transform: scaleX(0); transform-origin: left; }
  50% { transform: scaleX(1); transform-origin: left; }
  50.01% { transform-origin: right; }
  100% { transform: scaleX(0); transform-origin: right; }
}