/* ==================== STAGGERED LOAD ANIMATIONS ==================== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Stagger classes */
.load-fade-up {
  animation: fadeUp 0.6s ease forwards;
  opacity: 0;
}

.load-slide-down {
  animation: slideDown 0.5s ease forwards;
  opacity: 0;
}

.load-scale-in {
  animation: scaleIn 0.5s cubic-bezier(0.2, 0.9, 0.4, 1.1) forwards;
  opacity: 0;
}

.load-fade-left {
  animation: fadeInLeft 0.5s ease forwards;
  opacity: 0;
}

.load-fade-right {
  animation: fadeInRight 0.5s ease forwards;
  opacity: 0;
}

/* Stagger delays */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }
.delay-7 { animation-delay: 0.7s; }
.delay-8 { animation-delay: 0.8s; }

/* Scroll reveal animations */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ==================== RIPPLE EFFECT ==================== */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.4s ease, height 0.4s ease;
}

.ripple:active::after {
  width: 300px;
  height: 300px;
}

/* ==================== HOVER GLOW ==================== */
.hover-glow {
  transition: all 0.3s ease;
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(0, 102, 255, 0.4);
  transform: scale(1.02);
}

/* ==================== SCROLL PROGRESS BAR ==================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--blue-light));
  z-index: 1001;
  transition: width 0.1s ease;
}

/* ==================== PULSE ANIMATION ==================== */
@keyframes soft-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.pulse-soft {
  animation: soft-pulse 2s ease-in-out infinite;
}

/* ==================== SHAKE ANIMATION ==================== */
@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-5px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(5px);
  }
}

.shake {
  animation: shake 0.5s ease-in-out;
}

/* ==================== SPINNER ==================== */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid white;
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ==================== CURSOR TRAIL (optional) ==================== */
.cursor-trail {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--blue);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.6;
  transition: transform 0.1s ease;
  transform: translate(-50%, -50%);
}