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

:root {
  --color-primary: #000000;
  --color-secondary: #ffffff;
  --color-accent: #f0f0f0;
  --color-text: #333333;
  --color-gray: #888888;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-elevation: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: 'Noto Sans SC', sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

.nav-fixed {
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95);
}

.hero-slider {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.slide.active {
  opacity: 1;
}

.slide-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--color-secondary);
  z-index: 10;
}

.fashion-card {
  transition: var(--transition-smooth);
  overflow: hidden;
  border-radius: 12px;
}

.fashion-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-elevation);
}

.fashion-card img {
  transition: var(--transition-smooth);
}

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

.lightbox {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
}

.lightbox-content {
  position: relative;
  margin: auto;
  padding: 0;
  width: 90%;
  max-width: 1200px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: var(--color-secondary);
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

.lightbox-close:hover {
  opacity: 0.6;
}

.mobile-menu {
  transform: translateX(-100%);
  transition: transform 0.3s ease-in-out;
}

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

.collection-item {
  position: relative;
  overflow: hidden;
}

.collection-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.collection-item:hover::after {
  opacity: 1;
}

.trend-card {
  background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
}

.loading-spinner {
  border: 3px solid var(--color-accent);
  border-top: 3px solid var(--color-primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

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

.fade-in {
  animation: fadeIn 0.8s ease-out;
}

@media (max-width: 768px) {
  .hero-slider {
    height: 70vh;
  }
  
  .slide-content h1 {
    font-size: 2rem;
  }
  
  .fashion-card {
    margin-bottom: 1rem;
  }
  
  .lightbox-content {
    width: 95%;
  }
}

@media (max-width: 480px) {
  .slide-content {
    padding: 0 20px;
  }
  
  .slide-content h1 {
    font-size: 1.5rem;
  }
  
  .slide-content p {
    font-size: 0.9rem;
  }
}