/* MODERN CAROUSEL - Framer Motion Inspired Animations */

:root {
  --carousel-easing: cubic-bezier(0.16, 1, 0.3, 1); /* Smooth bounce */
  --carousel-duration: 0.6s;
  --card-scale-active: 1.05;
  --card-scale-inactive: 0.85;
  --carousel-blur: 8px;
  --glow-color: rgba(10, 95, 122, 0.5);
}

.products-preview {
  position: relative;
  padding: 6rem 2rem;
  overflow: hidden;
  background: linear-gradient(180deg, #f8fbfd 0%, #ffffff 50%, #f8fbfd 100%);
}

/* Animated background particles */
.products-preview::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(10, 95, 122, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 193, 7, 0.05) 0%, transparent 50%);
  animation: floatBackground 20s ease-in-out infinite;
  pointer-events: none;
}

@keyframes floatBackground {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.1); }
}

.products-preview h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent) 0%, #0a5f7a 50%, var(--accent-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 5rem;
  position: relative;
  animation: fadeInUp 0.8s var(--carousel-easing) backwards;
}

.products-preview h2::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  border-radius: 2px;
  animation: expandWidth 1s var(--carousel-easing) 0.3s backwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes expandWidth {
  from {
    width: 0;
  }
  to {
    width: 100px;
  }
}

/* MODERN CAROUSEL CONTAINER */
.products-carousel {
  position: relative;
  height: 640px;
  margin: 0 auto 4rem;
  max-width: 1400px;
  perspective: 2000px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  padding: 0 120px;
}

/* Floating particles effect */
.carousel-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.3;
  pointer-events: none;
  animation: floatParticle 4s ease-in-out infinite;
}

.carousel-particle:nth-child(2n) {
  background: var(--accent-bright);
  animation-duration: 5s;
}

@keyframes floatParticle {
  0%, 100% {
    transform: translate(0, 0);
    opacity: 0;
  }
  10%, 90% {
    opacity: 0.3;
  }
  50% {
    transform: translate(var(--dx, 50px), var(--dy, -100px));
    opacity: 0.6;
  }
}

/* PRODUCT CARDS WITH ADVANCED EFFECTS */
.product-card {
  position: absolute;
  width: 380px;
  height: 560px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 28px;
  padding: 1.75rem;
  box-shadow: 
    0 20px 60px rgba(10, 95, 122, 0.15),
    0 8px 24px rgba(0, 0, 0, 0.08),
    0 0 0 1px rgba(255, 255, 255, 0.8);
  transition: 
    transform var(--carousel-duration) var(--carousel-easing),
    opacity var(--carousel-duration) var(--carousel-easing),
    filter var(--carousel-duration) var(--carousel-easing),
    box-shadow var(--carousel-duration) var(--carousel-easing);
  transform-style: preserve-3d;
  left: 50%;
  top: 50%;
  overflow: hidden;
  pointer-events: none;
  border: 1px solid rgba(10, 95, 122, 0.1);
  will-change: transform, opacity, filter;
}

/* Glassmorphism overlay on inactive cards */
.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, 
    var(--accent) 0%, 
    var(--accent-bright) 50%, 
    var(--accent) 100%);
  opacity: 0;
  transition: opacity var(--carousel-duration) var(--carousel-easing);
  z-index: 10;
}

/* Animated glow effect */
.product-card::after {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  border-radius: 28px;
  opacity: 0;
  z-index: -1;
  filter: blur(20px);
  transition: opacity var(--carousel-duration) var(--carousel-easing);
}

/* ACTIVE CARD STATE - Center spotlight */
.product-card.active {
  z-index: 100;
  filter: blur(0) brightness(1) saturate(1.1);
  opacity: 1;
  pointer-events: auto;
  box-shadow: 
    0 40px 100px rgba(10, 95, 122, 0.25),
    0 20px 50px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(255, 255, 255, 1),
    0 0 60px rgba(10, 95, 122, 0.3);
  transform: translate(-50%, -50%) scale(var(--card-scale-active)) rotateY(0deg) translateZ(0);
  animation: cardEnter 0.6s var(--carousel-easing) backwards;
}

.product-card.active::before {
  opacity: 1;
  animation: shimmer 3s ease-in-out infinite;
}

.product-card.active::after {
  opacity: 0.4;
  animation: glowPulse 3s ease-in-out infinite;
}

@keyframes cardEnter {
  0% {
    transform: translate(-50%, -50%) scale(0.8) rotateY(0deg) translateZ(0);
    opacity: 0;
  }
  100% {
    transform: translate(-50%, -50%) scale(var(--card-scale-active)) rotateY(0deg) translateZ(0);
    opacity: 1;
  }
}

@keyframes shimmer {
  0%, 100% {
    background-position: -200% center;
  }
  50% {
    background-position: 200% center;
  }
}

@keyframes glowPulse {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.05);
  }
}

/* INACTIVE CARDS - Side positions */
.product-card:not(.active) {
  z-index: 50;
  filter: blur(var(--carousel-blur)) brightness(0.7) saturate(0.8);
  opacity: 0.5;
  transition: all var(--carousel-duration) var(--carousel-easing);
}

/* LEFT CARD */
.product-card.left-1 {
  transform: translate(-200%, -50%) scale(var(--card-scale-inactive)) rotateY(35deg) translateZ(-100px);
  opacity: 0.6;
}

.product-card.left-2 {
  transform: translate(-300%, -50%) scale(0.7) rotateY(45deg) translateZ(-200px);
  opacity: 0.3;
}

/* RIGHT CARD */
.product-card.right-1 {
  transform: translate(100%, -50%) scale(var(--card-scale-inactive)) rotateY(-35deg) translateZ(-100px);
  opacity: 0.6;
}

.product-card.right-2 {
  transform: translate(200%, -50%) scale(0.7) rotateY(-45deg) translateZ(-200px);
  opacity: 0.3;
}

/* Card content styling */
.product-card .card-image-wrapper {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 1.25rem;
  height: 200px;
  transition: transform 0.4s var(--carousel-easing);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.product-card.active .card-image-wrapper {
  animation: imageFloat 6s ease-in-out infinite;
}

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

.product-card .card-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.product-card.active .card-image-wrapper::after {
  opacity: 0.5;
}

.product-card .card-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--carousel-easing);
}

.product-card.active:hover .card-image-wrapper img {
  transform: scale(1.08);
}

.product-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.65rem;
  line-height: 1.3;
  transition: color 0.3s ease;
}

.product-card.active h3 {
  color: var(--accent);
  animation: textReveal 0.8s var(--carousel-easing) 0.2s backwards;
}

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

.product-card p {
  color: #556;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 0.85rem;
  transition: color 0.3s ease;
}

.product-card.active p {
  animation: textReveal 0.8s var(--carousel-easing) 0.3s backwards;
}

.product-card .card-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.product-card .card-features li {
  color: #667;
  font-size: 0.875rem;
  padding: 0.55rem 0;
  padding-left: 1.75rem;
  position: relative;
  transition: color 0.3s ease, transform 0.3s ease;
  display: block;
  clear: both;
}

.product-card.active .card-features li {
  animation: textReveal 0.8s var(--carousel-easing) calc(0.4s + var(--i, 0) * 0.1s) backwards;
}

.product-card .card-features li:nth-child(1) { --i: 0; }
.product-card .card-features li:nth-child(2) { --i: 1; }
.product-card .card-features li:nth-child(3) { --i: 2; }

.product-card .card-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0.55rem;
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.3s ease;
  line-height: 1;
}

.product-card.active:hover .card-features li::before {
  transform: scale(1.2);
}

/* NAVIGATION ARROWS - Modern design */
.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 200;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.9));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 2px solid var(--accent);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.4s var(--carousel-easing);
  box-shadow: 
    0 8px 32px rgba(10, 95, 122, 0.2),
    0 4px 12px rgba(0, 0, 0, 0.1);
  animation: buttonFloat 3s ease-in-out infinite;
  /* Prevent layout shift */
  margin: 0;
  padding: 0;
  flex-shrink: 0;
}

.carousel-nav.prev {
  left: 20px;
  animation-delay: 0s;
}

.carousel-nav.next {
  right: 20px;
  animation-delay: 1.5s;
}

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

.carousel-nav:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  transform: translateY(-50%) scale(1.15);
  box-shadow: 
    0 12px 48px rgba(10, 95, 122, 0.4),
    0 6px 20px rgba(0, 0, 0, 0.15);
  border-color: var(--accent-bright);
}

.carousel-nav:active {
  transform: translateY(-50%) scale(1.0);
}

.carousel-nav svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
  stroke-width: 3;
  transition: all 0.3s var(--carousel-easing);
}

.carousel-nav:hover svg {
  stroke: #fff;
  transform: scale(1.1);
}

/* CAROUSEL INDICATORS - Modern dots */
.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 3rem;
  padding: 1rem;
  animation: fadeInUp 1s var(--carousel-easing) 0.5s backwards;
}

.carousel-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(10, 95, 122, 0.2);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.4s var(--carousel-easing);
  position: relative;
  padding: 0;
}

.carousel-indicator::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.4s var(--carousel-easing);
}

.carousel-indicator:hover {
  background: rgba(10, 95, 122, 0.4);
  transform: scale(1.2);
}

.carousel-indicator.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  width: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(10, 95, 122, 0.4);
}

.carousel-indicator.active::after {
  opacity: 1;
  transform: scale(1.3);
  animation: ripple 2s ease-in-out infinite;
}

@keyframes ripple {
  0%, 100% {
    transform: scale(1.3);
    opacity: 0.6;
  }
  50% {
    transform: scale(1.6);
    opacity: 0;
  }
}

/* MOBILE RESPONSIVE */
@media (max-width: 1024px) {
  .products-carousel {
    padding: 0 80px;
    height: 580px;
  }

  .product-card {
    width: 340px;
    height: 520px;
  }

  .carousel-nav {
    width: 56px;
    height: 56px;
  }

  .carousel-nav.prev {
    left: 10px;
  }

  .carousel-nav.next {
    right: 10px;
  }
}

@media (max-width: 768px) {
  .products-carousel {
    padding: 0 60px;
    height: 560px;
  }

  .product-card {
    width: 300px;
    height: 500px;
    padding: 1.5rem;
  }

  .product-card .card-image-wrapper {
    height: 180px;
  }

  .product-card:not(.active) {
    opacity: 0;
    pointer-events: none;
  }

  .carousel-nav {
    width: 48px;
    height: 48px;
  }

  .carousel-nav svg {
    width: 24px;
    height: 24px;
  }
}

@media (max-width: 480px) {
  .products-preview {
    padding: 4rem 1rem;
  }

  .products-carousel {
    padding: 0 50px;
    height: 520px;
  }

  .product-card {
    width: 280px;
    height: 460px;
    padding: 1.25rem;
  }

  .product-card .card-image-wrapper {
    height: 160px;
  }

  .product-card h3 {
    font-size: 1.2rem;
  }

  .product-card p {
    font-size: 0.85rem;
  }

  .product-card .card-features li {
    font-size: 0.825rem;
    padding: 0.4rem 0;
  }

  .carousel-nav {
    width: 44px;
    height: 44px;
  }
}

/* SCROLL ANIMATIONS */
.products-preview.reveal {
  opacity: 1;
  transform: translateY(0);
}

/* Touch feedback */
.product-card.active {
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

/* Smooth scrollbar for card content */
.product-card::-webkit-scrollbar {
  width: 6px;
}

.product-card::-webkit-scrollbar-track {
  background: rgba(10, 95, 122, 0.05);
  border-radius: 10px;
}

.product-card::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent), var(--accent-bright));
  border-radius: 10px;
  transition: background 0.3s ease;
}

.product-card::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}