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

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

body {
  font-family: 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
  background-color: #fafafa;
  color: #2c2c2c;
  overflow-x: hidden;
}

nav {
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

nav a {
  position: relative;
  transition: color 0.3s ease;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: #2c2c2c;
  transition: width 0.3s ease;
}

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

.hero-section {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.3) 100%);
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  animation: fadeInUp 1.2s ease-out;
}

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

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  padding: 4rem 2rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover {
  transform: scale(1.02);
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(0deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0) 100%);
  color: white;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.gallery-item:hover .gallery-caption {
  opacity: 1;
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
  padding: 3rem 2rem;
}

.insight-item {
  overflow: hidden;
  transition: all 0.4s ease;
}

.insight-item.large {
  grid-column: span 8;
  grid-row: span 2;
}

.insight-item.medium {
  grid-column: span 6;
}

.insight-item.small {
  grid-column: span 4;
}

.insight-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.insight-item:hover img {
  transform: scale(1.08);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  font-weight: 300;
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto 3rem;
  color: #666;
}

footer {
  padding: 2rem;
  text-align: center;
  font-size: 0.875rem;
  color: #999;
  letter-spacing: 0.1em;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2rem 1rem;
  }
  
  .insight-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 2rem 1rem;
  }
  
  .insight-item.large,
  .insight-item.medium,
  .insight-item.small {
    grid-column: span 1;
    grid-row: span 1;
  }
  
  .section-title {
    font-size: 2rem;
  }
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}