@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Noto+Sans+SC:wght@300;400;500;600&display=swap');

:root {
  --color-bg-primary: #fafaf8;
  --color-bg-secondary: #f5f5f3;
  --color-text-primary: #2c2c2c;
  --color-text-secondary: #666666;
  --color-text-muted: #999999;
  --color-accent: #e8e6e1;
  --spacing-xs: 1rem;
  --spacing-sm: 2rem;
  --spacing-md: 4rem;
  --spacing-lg: 6rem;
  --spacing-xl: 8rem;
  --font-primary: 'Inter', 'Noto Sans SC', sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.8;
  overflow-x: hidden;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(250, 250, 248, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1.5rem 5%;
  border-bottom: 1px solid var(--color-accent);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 3rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 400;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  transition: var(--transition-smooth);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-text-primary);
  transition: var(--transition-smooth);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-icon {
  width: 24px;
  height: 24px;
  opacity: 0.6;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-primary);
}

.hero-section {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0;
  overflow: hidden;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.85);
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  color: #ffffff;
  max-width: 800px;
  padding: 2rem;
}

.hero-content h1 {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 2px;
  line-height: 1.4;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  color: #ffffff;
  font-size: 2rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 10px); }
}

section {
  padding: var(--spacing-xl) 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.section-title {
  font-size: 2rem;
  font-weight: 400;
  text-align: center;
  margin-bottom: var(--spacing-md);
  letter-spacing: 1px;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  font-size: 1rem;
  font-weight: 300;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.card {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  transition: var(--transition-smooth);
}

.card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  transition: var(--transition-smooth);
  opacity: 0;
  animation: fadeIn 0.8s ease-out forwards;
}

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

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

.card-caption {
  text-align: center;
  margin-top: 1.5rem;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 0.5px;
}

.philosophy-section {
  background: var(--color-bg-secondary);
  padding: var(--spacing-xl) 5%;
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.philosophy-content {
  flex: 1;
  max-width: 600px;
}

.philosophy-content h2 {
  font-size: 1.8rem;
  font-weight: 400;
  margin-bottom: var(--spacing-sm);
}

.philosophy-content p {
  color: var(--color-text-secondary);
  line-height: 2;
  font-size: 0.95rem;
}

.philosophy-image {
  flex: 1;
  max-width: 500px;
}

.philosophy-image img {
  width: 100%;
  border-radius: 2px;
  opacity: 0;
  animation: fadeIn 1s ease-out forwards;
}

.transition-image {
  width: 100%;
  max-height: 60vh;
  object-fit: cover;
  margin: var(--spacing-lg) 0;
  opacity: 0;
  animation: fadeIn 1.2s ease-out forwards;
}

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

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: var(--transition-smooth);
  opacity: 0;
  animation: fadeIn 0.8s ease-out forwards;
}

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

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  padding: 2rem 1.5rem 1.5rem;
  color: #ffffff;
  transform: translateY(100%);
  transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-overlay {
  transform: translateY(0);
}

.inspiration-section {
  background: var(--color-bg-secondary);
  padding: var(--spacing-xl) 5%;
}

.inspiration-grid {
  display: grid;
  gap: var(--spacing-md);
}

.inspiration-item {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.inspiration-item img {
  width: 50%;
  border-radius: 2px;
  opacity: 0;
  animation: fadeIn 1s ease-out forwards;
}

.inspiration-caption {
  flex: 1;
  color: var(--color-text-secondary);
  font-size: 1rem;
  font-style: italic;
}

.story-module {
  margin-bottom: var(--spacing-xl);
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.story-module:nth-child(even) {
  flex-direction: row-reverse;
}

.story-image {
  flex: 1;
  max-width: 600px;
}

.story-image img {
  width: 100%;
  border-radius: 2px;
  opacity: 0;
  animation: fadeIn 1s ease-out forwards;
}

.story-content {
  flex: 1;
  max-width: 500px;
  padding: var(--spacing-sm);
}

.story-content h3 {
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.story-content p {
  color: var(--color-text-secondary);
  line-height: 2;
  font-size: 0.95rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.detail-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 2px;
  opacity: 0;
  animation: fadeIn 0.8s ease-out forwards;
}

.detail-summary {
  grid-column: 1 / -1;
  text-align: center;
  max-width: 800px;
  margin: var(--spacing-md) auto 0;
  color: var(--color-text-secondary);
  line-height: 2;
  font-size: 0.95rem;
}

footer {
  text-align: center;
  padding: var(--spacing-md);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--color-accent);
}

@media (max-width: 768px) {
  nav {
    padding: 1rem 5%;
  }

  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(250, 250, 248, 0.98);
    flex-direction: column;
    gap: 2rem;
    padding: 3rem;
    transition: var(--transition-smooth);
  }

  .nav-links.active {
    left: 0;
  }

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

  .hero-content h1 {
    font-size: 1.8rem;
  }

  section {
    padding: var(--spacing-md) 5%;
  }

  .grid-3 {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .philosophy-section {
    flex-direction: column;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-item img {
    height: 300px;
  }

  .inspiration-item {
    flex-direction: column;
  }

  .inspiration-item img {
    width: 100%;
  }

  .story-module, .story-module:nth-child(even) {
    flex-direction: column;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }
}