:root {
  --primary-dark: #1a1a2e;
  --secondary: #16213e;
  --accent: #0f4c75;
  --highlight: #3282b8;
  --light: #bbe1fa;
  --whatsapp: #25D366;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--primary-dark);
  color: #fff;
  overflow-x: hidden;
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--primary-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--highlight);
}

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

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(50, 130, 184, 0.3); }
  50% { box-shadow: 0 0 40px rgba(50, 130, 184, 0.6); }
}

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

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

@keyframes text-glow {
  0%, 100% { text-shadow: 0 0 10px rgba(187, 225, 250, 0.5); }
  50% { text-shadow: 0 0 30px rgba(187, 225, 250, 0.8), 0 0 60px rgba(50, 130, 184, 0.5); }
}

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

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

.animate-slide-up {
  animation: slide-up 0.6s ease-out forwards;
}

.animate-text-glow {
  animation: text-glow 3s ease-in-out infinite;
}

.skeleton {
  background: linear-gradient(90deg, #1a1a2e 25%, #16213e 50%, #1a1a2e 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* Gradient backgrounds */
.hero-gradient {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary) 50%, var(--accent) 100%);
}

.card-gradient {
  background: linear-gradient(180deg, rgba(22, 33, 62, 0.8) 0%, rgba(26, 26, 46, 0.9) 100%);
}

/* WhatsApp button */
.whatsapp-btn {
  background: var(--whatsapp);
  transition: all 0.3s ease;
}

.whatsapp-btn:hover {
  background: #128C7E;
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

/* Product card hover */
.product-card {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.product-card:hover .product-image {
  transform: scale(1.1);
}

.product-image {
  transition: transform 0.4s ease;
}

/* Badge animations */
.hot-badge {
  animation: pulse-glow 1.5s ease-in-out infinite;
}

/* Mobile menu */
.mobile-menu {
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.mobile-menu.open {
  transform: translateX(0);
}

/* Filter sidebar */
.filter-sidebar {
  transition: all 0.3s ease;
}

/* Modal */
.modal-overlay {
  animation: fade-in 0.2s ease;
}

.modal-content {
  animation: slide-up 0.3s ease;
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Feature cards */
.feature-card {
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
}

/* Carousel */
.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}

/* Price tag */
.price-tag {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
}

/* Custom checkbox */
.custom-checkbox {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--accent);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.custom-checkbox:checked {
  background: var(--highlight);
  border-color: var(--highlight);
}

/* Range slider */
input[type="range"] {
  -webkit-appearance: none;
  background: var(--secondary);
  border-radius: 5px;
  height: 8px;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--highlight);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 10px var(--highlight);
}

/* Accordion */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-content.open {
  max-height: 500px;
}

/* Floating WhatsApp button */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  animation: float 3s ease-in-out infinite;
}