@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&family=Noto+Serif+SC:wght@400;700&display=swap');

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', sans-serif;
  line-height: 1.6;
  color: #1f2937;
  background-color: #ffffff;
}

.animate-fadeIn {
  animation: fadeIn 0.3s ease-in-out;
}

.animate-scaleIn {
  animation: scaleIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.slide-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.navbar-scrolled {
  background-color: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.navbar-scrolled .nav-link {
  color: #111827 !important;
}

.navbar-scrolled .nav-link:hover {
  color: #4b5563 !important;
}

.navbar-scrolled .logo-img {
  filter: brightness(0.3) !important;
}

.navbar-scrolled .lang-btn {
  background-color: #f3f4f6 !important;
  color: #111827 !important;
}

.navbar-scrolled .lang-btn:hover {
  background-color: #e5e7eb !important;
}

.mobile-menu {
  display: none;
  background-color: #ffffff;
  border-top: 1px solid #f3f4f6;
  padding: 1rem;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 0.5rem 0;
  color: #374151;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.mobile-menu a:hover {
  color: #111827;
}

.product-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.product-card img {
  transition: transform 0.5s ease;
}

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

.brand-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.brand-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.brand-card img {
  transition: transform 0.5s ease;
}

.brand-card:hover img {
  transform: scale(1.1);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(4px);
}

.modal-overlay.active {
  display: flex;
}

.form-input {
  width: 100%;
  padding: 1rem 1.5rem;
  border: 1px solid #d1d5db;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  transition: border-color 0.2s;
  outline: none;
}

.form-input:focus {
  border-color: #111827;
}

.form-input::placeholder {
  color: #9ca3af;
}

.btn-primary {
  padding: 1rem 2.5rem;
  background-color: #111827;
  color: #ffffff;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
  white-space: nowrap;
}

.btn-primary:hover {
  background-color: #1f2937;
}

.btn-outline {
  padding: 1rem 2.5rem;
  background-color: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
  white-space: nowrap;
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.btn-outline-dark {
  padding: 0.75rem 2rem;
  background-color: #111827;
  color: #ffffff;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s, box-shadow 0.2s;
  white-space: nowrap;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-outline-dark:hover {
  background-color: #1f2937;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.pagination-btn {
  padding: 0.5rem 1rem;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
  background-color: #ffffff;
  color: #374151;
}

.pagination-btn:hover:not(:disabled) {
  background-color: #f9fafb;
}

.pagination-btn.active {
  background-color: #111827;
  color: #ffffff;
  border-color: #111827;
}

.pagination-btn:disabled {
  background-color: #e5e7eb;
  color: #9ca3af;
  cursor: not-allowed;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  border: 1px solid #e5e7eb;
  border-radius: 9999px;
  font-size: 0.875rem;
  background-color: #ffffff;
  transition: ring 0.2s, border-color 0.2s;
  outline: none;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.search-input:focus {
  ring: 2px;
  ring-color: #111827;
  border-color: transparent;
}

.skeleton {
  background: linear-gradient(90deg, #e5e7eb 25%, #d1d5db 50%, #e5e7eb 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

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

.toast {
  padding: 1rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  text-align: center;
  margin-top: 1rem;
}

.toast-success {
  background-color: #ecfdf5;
  color: #065f46;
}

.toast-error {
  background-color: #fef2f2;
  color: #991b1b;
}

@media (max-width: 1024px) {
  .desktop-nav {
    display: none !important;
  }
  
  .mobile-menu-btn {
    display: block !important;
  }
}

@media (min-width: 1025px) {
  .mobile-menu-btn {
    display: none !important;
  }
  
  .mobile-menu {
    display: none !important;
  }
}