/* ============================================
   Animations & Scroll Effects
   ============================================ */

/* ---------- Scroll Reveal Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* ---------- Particle Animation ---------- */
.particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.15;
}

.particle-1 { background: var(--color-primary); }
.particle-2 { background: var(--color-accent); }
.particle-3 { background: var(--color-primary-light); }

/* ---------- Floating Animation ---------- */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
}

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

.float {
  animation: float 6s ease-in-out infinite;
}

.float-slow {
  animation: float-slow 8s ease-in-out infinite;
}

/* ---------- Gradient Text Shimmer ---------- */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.text-shimmer {
  background: linear-gradient(
    90deg,
    var(--color-primary) 0%,
    var(--color-accent) 25%,
    var(--color-primary-light) 50%,
    var(--color-accent) 75%,
    var(--color-primary) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

/* ---------- Glow Pulse ---------- */
@keyframes glow-pulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.1);
  }
  50% {
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.25);
  }
}

.glow-pulse {
  animation: glow-pulse 3s ease-in-out infinite;
}

/* ---------- Service Card Hover Effects ---------- */
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}

.service-card:hover::before {
  transform: scaleX(1);
}

/* ---------- Process Step Animation ---------- */
.process-step .step-number {
  transition: all 0.4s ease;
}

.process-step:hover .step-number {
  background: var(--color-primary);
  color: #fff;
  transform: scale(1.1);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
}

/* ---------- Skill Bar Shine ---------- */
.skill-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  animation: skill-shine 3s ease-in-out infinite;
}

@keyframes skill-shine {
  0% { left: -100%; }
  50%, 100% { left: 100%; }
}

/* ---------- Typing Cursor ---------- */
@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ---------- Nav Link Underline ---------- */
.nav-link::after {
  content: '';
  display: block;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s ease;
  margin-top: 2px;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link--cta::after {
  display: none;
}

/* ---------- Contact Card Icon Bounce ---------- */
.contact-card:hover .contact-icon {
  animation: icon-bounce 0.5s ease;
}

@keyframes icon-bounce {
  0%, 100% { transform: translateY(0); }
  30% { transform: translateY(-6px); }
  60% { transform: translateY(-2px); }
}

/* ---------- Smooth Page Transitions ---------- */
.page-transition {
  animation: page-fade-in 0.6s ease forwards;
}

@keyframes page-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}