/**
 * Animations - 1.wien
 * Scroll-triggered animations and keyframes
 */

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */

/* Elements that will be revealed on scroll */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

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

/* Stagger delay for multiple elements */
.reveal-stagger-1 { transition-delay: 100ms; }
.reveal-stagger-2 { transition-delay: 200ms; }
.reveal-stagger-3 { transition-delay: 300ms; }
.reveal-stagger-4 { transition-delay: 400ms; }
.reveal-stagger-5 { transition-delay: 500ms; }
.reveal-stagger-6 { transition-delay: 600ms; }

/* ============================================
   GRADIENT ANIMATIONS
   ============================================ */

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

.gradient-animated {
  background: linear-gradient(270deg, #00D4FF, #7B3FF2, #00D4FF);
  background-size: 400% 400%;
  animation: gradientShift 8s ease infinite;
}

/* ============================================
   FLOATING ANIMATIONS
   ============================================ */

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0) translateX(0);
  }
  25% {
    transform: translateY(-15px) translateX(10px);
  }
  50% {
    transform: translateY(-25px) translateX(0);
  }
  75% {
    transform: translateY(-15px) translateX(-10px);
  }
}

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

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

.float-delay-1 { animation-delay: 0.5s; }
.float-delay-2 { animation-delay: 1s; }
.float-delay-3 { animation-delay: 1.5s; }

/* ============================================
   PULSE ANIMATIONS
   ============================================ */

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.05);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.6);
  }
}

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

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

/* ============================================
   DRAW ANIMATIONS (for SVG paths)
   ============================================ */

@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}

.svg-draw {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: draw 2s ease-out forwards;
}

/* ============================================
   FADE ANIMATIONS
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

.fade-in {
  animation: fadeIn var(--duration-slow) var(--ease-out);
}

.fade-in-up {
  animation: fadeInUp var(--duration-slow) var(--ease-out);
}

.fade-in-down {
  animation: fadeInDown var(--duration-slow) var(--ease-out);
}

/* ============================================
   ROTATE ANIMATIONS
   ============================================ */

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

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

.rotate {
  animation: rotate 10s linear infinite;
}

.rotate-slow {
  animation: rotateSlow 20s linear infinite;
}

/* ============================================
   SHIMMER EFFECT
   ============================================ */

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.shimmer {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(0, 212, 255, 0.2) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 3s infinite;
}

/* ============================================
   PARTICLE ANIMATIONS
   ============================================ */

@keyframes particleFloat1 {
  0%, 100% {
    transform: translate(0, 0);
    opacity: 0;
  }
  10%, 90% {
    opacity: 1;
  }
  50% {
    transform: translate(100px, -100px);
  }
}

@keyframes particleFloat2 {
  0%, 100% {
    transform: translate(0, 0);
    opacity: 0;
  }
  10%, 90% {
    opacity: 1;
  }
  50% {
    transform: translate(-80px, -120px);
  }
}

@keyframes particleFloat3 {
  0%, 100% {
    transform: translate(0, 0);
    opacity: 0;
  }
  10%, 90% {
    opacity: 1;
  }
  50% {
    transform: translate(60px, -90px);
  }
}

.particle-1 {
  animation: particleFloat1 8s ease-in-out infinite;
}

.particle-2 {
  animation: particleFloat2 10s ease-in-out infinite;
}

.particle-3 {
  animation: particleFloat3 12s ease-in-out infinite;
}

/* ============================================
   TEXT ANIMATIONS
   ============================================ */

@keyframes typewriter {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blinkCursor {
  from, to {
    border-color: transparent;
  }
  50% {
    border-color: var(--color-cyan);
  }
}

.typewriter {
  overflow: hidden;
  border-right: 2px solid var(--color-cyan);
  white-space: nowrap;
  animation: typewriter 3s steps(40) 1s 1 normal both,
             blinkCursor 1s steps(40) infinite;
}

/* ============================================
   SCALE ANIMATIONS
   ============================================ */

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

@keyframes scaleUp {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.1);
  }
}

.scale-in {
  animation: scaleIn var(--duration-slow) var(--ease-out);
}

/* ============================================
   SLIDE ANIMATIONS
   ============================================ */

@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.slide-in-left {
  animation: slideInLeft var(--duration-slow) var(--ease-out);
}

.slide-in-right {
  animation: slideInRight var(--duration-slow) var(--ease-out);
}

/* ============================================
   REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale,
  .float,
  .float-slow,
  .pulse,
  .pulse-glow,
  .rotate,
  .rotate-slow,
  .shimmer,
  .particle-1,
  .particle-2,
  .particle-3 {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

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