/**
 * ANIMATIONS & TRANSITIONS
 * Professional, subtle animations for modern UX
 */

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

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

@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);
  }
}

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

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

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

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

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

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* ===================================
   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;
  }
}

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

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

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

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

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-200deg);
  }
  to {
    opacity: 1;
    transform: rotate(0);
  }
}

/* ===================================
   SHIMMER/SHINE ANIMATIONS
   =================================== */

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

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(61, 90, 107, 0.3);
  }
  50% {
    box-shadow: 0 0 20px rgba(61, 90, 107, 0.6);
  }
}

/* ===================================
   UTILITY CLASSES
   =================================== */

/* Fade In */
.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-down {
  animation: fadeInDown 0.6s ease-out;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
  animation: fadeInRight 0.6s ease-out;
}

/* Scale */
.animate-scale-in {
  animation: scaleIn 0.4s ease-out;
}

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

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

/* Slide */
.animate-slide-in-left {
  animation: slideInLeft 0.5s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.5s ease-out;
}

.animate-slide-in-up {
  animation: slideInUp 0.5s ease-out;
}

.animate-slide-in-down {
  animation: slideInDown 0.5s ease-out;
}

/* Rotate */
.animate-rotate {
  animation: rotate 2s linear infinite;
}

.animate-rotate-in {
  animation: rotateIn 0.6s ease-out;
}

/* Shimmer */
.animate-shimmer {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.3) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}

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

/* ===================================
   DELAY CLASSES
   =================================== */

.delay-100 {
  animation-delay: 0.1s;
}

.delay-200 {
  animation-delay: 0.2s;
}

.delay-300 {
  animation-delay: 0.3s;
}

.delay-400 {
  animation-delay: 0.4s;
}

.delay-500 {
  animation-delay: 0.5s;
}

.delay-600 {
  animation-delay: 0.6s;
}

.delay-700 {
  animation-delay: 0.7s;
}

.delay-800 {
  animation-delay: 0.8s;
}

/* ===================================
   HOVER TRANSITIONS
   =================================== */

.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.hover-scale {
  transition: transform 0.3s ease;
}

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

.hover-glow {
  transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(61, 90, 107, 0.4);
}

.hover-brighten {
  transition: filter 0.3s ease;
}

.hover-brighten:hover {
  filter: brightness(1.1);
}

.hover-darken {
  transition: filter 0.3s ease;
}

.hover-darken:hover {
  filter: brightness(0.9);
}

/* ===================================
   BUTTON ANIMATIONS
   =================================== */

.btn-animate {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-animate::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-animate:hover::before {
  width: 300px;
  height: 300px;
}

.btn-animate:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* ===================================
   CARD ANIMATIONS
   =================================== */

.card-animate {
  transition: all 0.3s ease;
}

.card-animate:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

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

.text-gradient-animate {
  background: linear-gradient(
    90deg,
    #3d5a6b,
    #2d4450,
    #3d5a6b
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

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

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

.loading-spinner {
  border: 3px solid rgba(61, 90, 107, 0.1);
  border-top-color: #3d5a6b;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 0.8s linear infinite;
}

@keyframes dots {
  0%, 20% {
    content: '.';
  }
  40% {
    content: '..';
  }
  60%, 100% {
    content: '...';
  }
}

.loading-dots::after {
  content: '.';
  animation: dots 1.5s steps(1) infinite;
}

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

.scroll-fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-slide-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.scroll-slide-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.scroll-scale {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===================================
   PERFORMANCE OPTIMIZATIONS
   =================================== */

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

/* GPU acceleration for smooth animations */
.gpu-accelerate {
  transform: translateZ(0);
  will-change: transform;
}

/* ===================================
   SPECIFIC COMPONENT ANIMATIONS
   =================================== */

/* Hero Section */
.hero {
  animation: fadeInUp 0.8s ease-out;
}

.hero h1 {
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero p {
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero .btn-primary {
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* Stats */
.stat {
  animation: scaleIn 0.6s ease-out;
}

.stat:nth-child(1) { animation-delay: 0.1s; }
.stat:nth-child(2) { animation-delay: 0.2s; }
.stat:nth-child(3) { animation-delay: 0.3s; }
.stat:nth-child(4) { animation-delay: 0.4s; }

/* Service Cards */
.service-card {
  animation: fadeInUp 0.6s ease-out;
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

/* Bento Grid Items */
.bento-item {
  animation: scaleIn 0.5s ease-out;
  transition: all 0.3s ease;
}

.bento-item:nth-child(1) { animation-delay: 0.1s; }
.bento-item:nth-child(2) { animation-delay: 0.2s; }
.bento-item:nth-child(3) { animation-delay: 0.3s; }
.bento-item:nth-child(4) { animation-delay: 0.4s; }
.bento-item:nth-child(5) { animation-delay: 0.5s; }
.bento-item:nth-child(6) { animation-delay: 0.6s; }

.bento-item:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* Form Elements */
input, textarea, select {
  transition: all 0.3s ease;
}

input:focus, textarea:focus, select:focus {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(61, 90, 107, 0.2);
}

/* Navigation */
.nav a {
  position: relative;
  transition: color 0.3s ease;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: #3d5a6b;
  transition: width 0.3s ease;
}

.nav a:hover::after {
  width: 100%;
}

/* Mobile Menu */
.mobile-nav {
  animation: slideInDown 0.3s ease-out;
}

/* Footer */
.footer {
  animation: fadeIn 0.8s ease-out;
}

/* Scroll to Top Button */
.scroll-to-top {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.scroll-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-to-top:hover {
  transform: translateY(-5px);
}