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

:root {
  --color-primary: #1a1a1a;
  --color-secondary: #666666;
  --color-accent: #8b7355;
  --color-background: #ffffff;
  --color-surface: #f8f8f8;
  --font-primary: 'Noto Sans SC', 'Helvetica Neue', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  color: var(--color-primary);
  background-color: var(--color-background);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--color-accent);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

.image-overlay {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.image-overlay img {
  transition: transform 0.5s ease;
}

.image-overlay:hover img {
  transform: scale(1.05);
}

.image-overlay::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.image-overlay:hover::after {
  opacity: 1;
}

.image-overlay span {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 1.2rem;
  font-weight: 300;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.image-overlay:hover span {
  opacity: 1;
}

.fade-in {
  animation: fadeIn 1s ease-in;
}

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

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-secondary);
  border-top: 2px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.section-padding {
  padding: 80px 0;
}

.footer {
  text-align: center;
  padding: 40px 20px;
  font-size: 0.9rem;
  color: var(--color-secondary);
  background-color: var(--color-surface);
}