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

:root {
  --font-primary: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --color-cream: #FAF7F2;
  --color-gray-dark: #2C2C2C;
  --color-gray-medium: #666666;
  --color-gray-light: #E5E5E5;
  --color-mist-blue: #8D9B9F;
  --color-dusty-rose: #D4A5A5;
  --color-sage: #87A96B;
  --color-sand: #E6D5B8;
  --color-stone: #9E9E9E;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --border-radius: 0.25rem;
  --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.08);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-weight: 300;
  color: var(--color-gray-dark);
  background-color: var(--color-cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

a:hover {
  opacity: 0.7;
}

.btn {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid var(--color-gray-dark);
  background: transparent;
  color: var(--color-gray-dark);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn:hover {
  background: var(--color-gray-dark);
  color: var(--color-cream);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.nav-link {
  position: relative;
  padding: var(--spacing-xs) 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-mist-blue);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.gallery-item {
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-base);
}

.gallery-item:hover {
  transform: translateY(-4px);
}

.masonry {
  column-count: 3;
  column-gap: var(--spacing-md);
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: var(--spacing-md);
}

.timeline {
  position: relative;
  padding: var(--spacing-lg) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-gray-light);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  padding: var(--spacing-lg);
  width: calc(50% - var(--spacing-md));
}

.timeline-item:nth-child(odd) {
  margin-right: auto;
  text-align: right;
}

.timeline-item:nth-child(even) {
  margin-left: auto;
}

.timeline-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--color-mist-blue);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -26px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -26px;
}

.hero-text {
  animation: fadeInUp 1s ease-out;
}

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

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 768px) {
  .masonry {
    column-count: 2;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    width: calc(100% - 60px);
    margin-left: 60px !important;
    text-align: left !important;
  }
  
  .timeline-dot {
    left: -32px !important;
  }
}

@media (max-width: 480px) {
  .masonry {
    column-count: 1;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}