/* ============================================
   PREMIUM ANIMATIONS & TRANSITIONS
   ============================================ */

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

/* ============================================
   GLOBAL FADE-UP ANIMATION
   ============================================ */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
}

.fade-in-up.animated {
  animation: fadeUpAnimation 0.8s ease-out forwards;
}

@keyframes fadeUpAnimation {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   FADE-IN-SCALE ANIMATION
   ============================================ */
.fade-in-scale {
  opacity: 0;
  transform: scale(0.95);
}

.fade-in-scale.animated {
  animation: fadeScaleAnimation 0.8s ease-out forwards;
}

@keyframes fadeScaleAnimation {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ============================================
   NAVIGATION ANIMATIONS
   ============================================ */

/* Sticky navbar with smooth transition */
.site-header {
  transition: all 0.3s ease;
}

.site-header.scrolled {
  backdrop-filter: blur(12px);
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* Navbar items hover underline */
.nav-link {
  position: relative;
  overflow: hidden;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transition: left 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  left: 0;
}

/* Logo hover scale */
.logo {
  transition: transform 0.3s ease;
}

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

/* Mobile menu slide animation */
.navbar.menu-open .nav-menu {
  animation: slideDownMenu 0.4s ease-out forwards;
}

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

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

.service-card {
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(26, 58, 102, 0.15);
}

/* Card image zoom */
.service-card-image {
  overflow: hidden;
  position: relative;
}

.service-card-image img {
  transition: transform 0.4s ease;
  will-change: transform;
}

.service-card:hover .service-card-image img {
  transform: scale(1.08);
}

/* Border glow effect */
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 2px solid transparent;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--primary), var(--accent)) border-box;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.service-card:hover::before {
  opacity: 0.5;
}

/* Service card icon rotation */
.service-card-icon {
  transition: transform 0.3s ease;
}

.service-card:hover .service-card-icon {
  transform: rotate(8deg) scale(1.1);
}

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

.btn {
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

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

.btn::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:active::before {
  width: 300px;
  height: 300px;
}

/* ============================================
   HERO SECTION ANIMATIONS
   ============================================ */

.hero-slide {
  will-change: opacity;
}

.hero-title {
  animation: slideInLeft 0.8s ease-out forwards;
}

.hero-subtitle {
  animation: slideInRight 0.8s ease-out 0.2s forwards;
  opacity: 0;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Parallax effect */
.hero-slide {
  background-attachment: fixed;
  background-position: center;
}

/* Slider dots animation */
.slider-dot {
  transition: all 0.3s ease;
  cursor: pointer;
}

.slider-dot:hover {
  background-color: var(--primary) !important;
  width: 1.5rem !important;
}

/* ============================================
   STAT COUNTER ANIMATIONS
   ============================================ */

.stat-item {
  opacity: 0;
  transform: translateY(20px);
}

.stat-item.in-view {
  animation: fadeUp 0.6s ease-out forwards;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  transition: color 0.3s ease;
}

.stat-item:hover .stat-value {
  color: var(--accent);
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   GALLERY ANIMATIONS
   ============================================ */

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius) * 2);
}

.gallery-item img {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: transform;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 58, 102, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(4px);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

/* ============================================
   TESTIMONIAL CAROUSEL ANIMATIONS
   ============================================ */

.testimonial-card {
  opacity: 0;
  transform: translateX(30px);
}

.testimonial-card.active {
  animation: slideInTestimonial 0.6s ease-out forwards;
}

@keyframes slideInTestimonial {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ============================================
   FLOATING & BOUNCE ANIMATIONS
   ============================================ */

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

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

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.bounce {
  animation: bounce 0.6s ease-out;
}

/* ============================================
   PULSE ANIMATION
   ============================================ */

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ============================================
   GRADIENT ANIMATION
   ============================================ */

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

.gradient-animate {
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
}

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

.scroll-fade {
  opacity: 0;
  transform: translateY(40px);
}

.scroll-fade.visible {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Stagger effect for multiple elements */
.stagger-item {
  opacity: 0;
  transform: translateY(40px);
}

.stagger-item.visible {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.stagger-item:nth-child(1).visible { transition-delay: 0s; }
.stagger-item:nth-child(2).visible { transition-delay: 0.1s; }
.stagger-item:nth-child(3).visible { transition-delay: 0.2s; }
.stagger-item:nth-child(4).visible { transition-delay: 0.3s; }
.stagger-item:nth-child(5).visible { transition-delay: 0.4s; }
.stagger-item:nth-child(n+6).visible { transition-delay: 0.5s; }

/* ============================================
   SMOOTH SCROLLING
   ============================================ */

html {
  scroll-behavior: smooth;
}

/* ============================================
   LINK & INPUT ANIMATIONS
   ============================================ */

a {
  transition: color 0.3s ease;
}

input, textarea {
  transition: all 0.3s ease;
}

input:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 58, 102, 0.1);
}

/* Floating label effect */
.floating-label {
  position: relative;
}

.floating-label label {
  position: absolute;
  top: 12px;
  left: 12px;
  pointer-events: none;
  transition: all 0.3s ease;
  font-size: 1rem;
}

.floating-label input:focus ~ label,
.floating-label input:not(:placeholder-shown) ~ label {
  top: -8px;
  left: 8px;
  font-size: 0.75rem;
  color: var(--primary);
}

/* ============================================
   PERFORMANCE OPTIMIZATION
   ============================================ */

.will-animate {
  will-change: transform;
}

img[data-lazy] {
  opacity: 0;
  transition: opacity 0.3s ease;
}

img[data-lazy].loaded {
  opacity: 1;
}