/* ==========================================================================
   Mohini Portfolio - Keyframe Animations, FX & Card Motion Effects
   ========================================================================== */

/* Keyframe Animations */
@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 35px rgba(79, 70, 229, 0.4), 0 0 70px rgba(59, 130, 246, 0.25);
  }
  50% {
    box-shadow: 0 0 65px rgba(59, 130, 246, 0.75), 0 0 110px rgba(6, 182, 212, 0.55);
  }
}

@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-12px) rotate(2deg);
  }
}

@keyframes floatReverse {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(10px) rotate(-2deg);
  }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes textGlow {
  0%, 100% {
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.3), 0 0 20px rgba(59, 130, 246, 0.2);
  }
  50% {
    text-shadow: 0 0 20px rgba(6, 182, 212, 0.6), 0 0 40px rgba(79, 70, 229, 0.4);
  }
}

/* Dynamic Glass Card Gloss Shine Sweep */
.glass-card {
  position: relative;
  overflow: hidden;
  will-change: transform, box-shadow;
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -120%;
  width: 70%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.12),
    transparent
  );
  transform: skewX(-25deg);
  transition: left 0.75s ease;
  pointer-events: none;
  z-index: 2;
}

.glass-card:hover::before {
  left: 150%;
}

.glass-card:hover {
  transform: translateY(-7px) scale(1.01);
  box-shadow: 0 16px 40px rgba(59, 130, 246, 0.28);
  border-color: rgba(6, 182, 212, 0.55);
}

/* Scroll Reveal Classes (Handled via JS Intersection Observer) */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-zoom {
  opacity: 0;
  transform: scale(0.88) translateY(30px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-zoom.active {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* Stagger Delay Utility for Child Elements */
.stagger-1 { transition-delay: 0.1s !important; }
.stagger-2 { transition-delay: 0.2s !important; }
.stagger-3 { transition-delay: 0.3s !important; }
.stagger-4 { transition-delay: 0.4s !important; }
.stagger-5 { transition-delay: 0.5s !important; }
.stagger-6 { transition-delay: 0.6s !important; }

/* Header Logo Image & Emblem Styles */
.header-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

/* Ripple Click Animation */
.ripple {
  position: absolute;
  background: rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  transform: scale(0);
  animation: rippleAnim 0.6s linear;
  pointer-events: none;
}

@keyframes rippleAnim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}