/*
 * Modern Animations
 * Smooth entrance, micro-interactions, scroll reveals
 */

/* ========================================
   ENTRANCE ANIMATIONS
   ======================================== */

@keyframes fade-in {
  from {
    opacity: 0%;
  }

  to {
    opacity: 100%;
  }
}

@keyframes fade-in-up {
  from {
    opacity: 0%;
    transform: translateY(30px);
  }

  to {
    opacity: 100%;
    transform: translateY(0);
  }
}

@keyframes fade-in-down {
  from {
    opacity: 0%;
    transform: translateY(-30px);
  }

  to {
    opacity: 100%;
    transform: translateY(0);
  }
}

@keyframes slide-in-left {
  from {
    opacity: 0%;
    transform: translateX(-50px);
  }

  to {
    opacity: 100%;
    transform: translateX(0);
  }
}

@keyframes slide-in-right {
  from {
    opacity: 0%;
    transform: translateX(50px);
  }

  to {
    opacity: 100%;
    transform: translateX(0);
  }
}

@keyframes scale-in {
  from {
    opacity: 0%;
    transform: scale(0.9);
  }

  to {
    opacity: 100%;
    transform: scale(1);
  }
}

@keyframes rotate-in {
  from {
    opacity: 0%;
    transform: rotate(-10deg) scale(0.9);
  }

  to {
    opacity: 100%;
    transform: rotate(0) scale(1);
  }
}

/* Animation classes */
.animate-fade-in {
  animation: fade-in 0.6s var(--ease-out) forwards;
}

.animate-fade-in-up {
  animation: fade-in-up 0.8s var(--ease-out) forwards;
}

.animate-fade-in-down {
  animation: fade-in-down 0.8s var(--ease-out) forwards;
}

.animate-slide-in-left {
  animation: slide-in-left 0.8s var(--ease-out) forwards;
}

.animate-slide-in-right {
  animation: slide-in-right 0.8s var(--ease-out) forwards;
}

.animate-scale-in {
  animation: scale-in 0.6s var(--ease-out) forwards;
}

.animate-rotate-in {
  animation: rotate-in 0.8s var(--ease-bounce) forwards;
}

/* Stagger delays for sequential animations */
.animate-delay-1 {
  animation-delay: 0.1s;
}

.animate-delay-2 {
  animation-delay: 0.2s;
}

.animate-delay-3 {
  animation-delay: 0.3s;
}

.animate-delay-4 {
  animation-delay: 0.4s;
}

.animate-delay-5 {
  animation-delay: 0.5s;
}

/* ========================================
   MICRO-INTERACTIONS
   ======================================== */

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

  50% {
    opacity: 80%;
    transform: scale(1.05);
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }

  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-5px);
  }

  20%,
  40%,
  60%,
  80% {
    transform: translateX(5px);
  }
}

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

  to {
    transform: rotate(360deg);
  }
}

@keyframes glow {
  0%,
  100% {
    box-shadow: 0 0 20px rgb(14 165 233 / 50%);
  }

  50% {
    box-shadow: 0 0 40px rgb(14 165 233 / 80%);
  }
}

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

.animate-bounce {
  animation: bounce 1s ease-in-out infinite;
}

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

.animate-spin {
  animation: spin 1s linear infinite;
}

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

/* ========================================
   HOVER EFFECTS
   ======================================== */

.hover-lift {
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.hover-scale {
  transition: transform var(--transition-base);
}

.hover-scale:hover {
  transform: scale(1.05);
}

.hover-glow {
  transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
  box-shadow: 0 0 30px rgb(14 165 233 / 50%);
}

.hover-brighten {
  transition: filter var(--transition-base);
}

.hover-brighten:hover {
  filter: brightness(1.2);
}

/* ========================================
   LOADING ANIMATIONS
   ======================================== */

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

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

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-neutral-800) 0%,
    var(--color-neutral-700) 50%,
    var(--color-neutral-800) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite linear;
  border-radius: var(--radius-md);
}

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

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-neutral-700);
  border-top-color: var(--color-primary-500);
  border-radius: 50%;
  animation: spinner 0.8s linear infinite;
}

/* Dots loader */
@keyframes dot-pulse {
  0%,
  80%,
  100% {
    opacity: 30%;
    transform: scale(0.8);
  }

  40% {
    opacity: 100%;
    transform: scale(1);
  }
}

.dots-loader {
  display: flex;
  gap: var(--space-2);
}

.dots-loader span {
  width: 12px;
  height: 12px;
  background: var(--color-primary-500);
  border-radius: 50%;
  animation: dot-pulse 1.4s ease-in-out infinite;
}

.dots-loader span:nth-child(2) {
  animation-delay: 0.2s;
}

.dots-loader span:nth-child(3) {
  animation-delay: 0.4s;
}

/* ========================================
   SCROLL-TRIGGERED REVEALS
   ======================================== */

.reveal {
  opacity: 0%;
  transform: translateY(30px);
  transition:
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out);
}

.reveal.revealed {
  opacity: 100%;
  transform: translateY(0);
}

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

.reveal-scale.revealed {
  opacity: 100%;
  transform: scale(1);
}

/* ========================================
   PARALLAX EFFECTS
   ======================================== */

.parallax-slow {
  transition: transform 0.1s linear;
}

.parallax-medium {
  transition: transform 0.1s linear;
}

.parallax-fast {
  transition: transform 0.1s linear;
}

/* ========================================
   BACKGROUND ANIMATIONS
   ======================================== */

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-20px);
  }
}

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

@keyframes blob-morph {
  0%,
  100% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  }

  50% {
    border-radius: 30% 60% 70% 40% / 50% 60% 30%;
  }
}

.blob {
  animation: blob-morph 8s ease-in-out infinite;
}

/* ========================================
   PAGE TRANSITIONS
   ======================================== */

@keyframes page-fade-in {
  from {
    opacity: 0%;
  }

  to {
    opacity: 100%;
  }
}

.page-transition {
  animation: page-fade-in 0.4s var(--ease-out);
}

/* ========================================
   ATTENTION GRABBERS
   ======================================== */

@keyframes wiggle {
  0%,
  100% {
    transform: rotate(0deg);
  }

  25% {
    transform: rotate(-3deg);
  }

  75% {
    transform: rotate(3deg);
  }
}

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

@keyframes heartbeat {
  0%,
  100% {
    transform: scale(1);
  }

  10%,
  30% {
    transform: scale(1.1);
  }

  20%,
  40% {
    transform: scale(1);
  }
}

.heartbeat {
  animation: heartbeat 1.5s ease-in-out infinite;
}

/* ========================================
   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-scale {
    opacity: 100% !important;
    transform: none !important;
  }
}