@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;
}

:root {
  --color-bg: #FFFFFF;
  --color-bg-secondary: #F5F5F5;
  --color-text: #2C2C2C;
  --color-text-light: #666666;
  --color-accent: #A8A8A8;
  --transition-smooth: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.3s ease;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 300;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.8;
  letter-spacing: 0.05em;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 300;
  letter-spacing: 0.1em;
}

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

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

a:hover {
  opacity: 0.7;
}

.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 2rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3), transparent);
}

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

.nav-links a {
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 1px;
  background: rgba(255,255,255,0.9);
  transition: var(--transition-fast);
}

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

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

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  animation: slowZoom 20s ease-in-out infinite alternate;
}

@keyframes slowZoom {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.05);
  }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.2), rgba(0,0,0,0.4));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 4rem);
  color: #FFFFFF;
  font-weight: 300;
  letter-spacing: 0.2em;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeInUp 1.5s ease-out 0.5s forwards;
}

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

.scroll-hint {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.8);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  animation: float 3s ease-in-out infinite;
}

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

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  padding: 4rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  cursor: pointer;
  aspect-ratio: 3/4;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

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

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-overlay {
  background: rgba(0,0,0,0.3);
  opacity: 1;
}

.gallery-caption {
  color: #FFFFFF;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-align: center;
  padding: 1rem;
}

.philosophy-section {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.philosophy-block {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-bottom: 8rem;
  opacity: 0;
  transform: translateY(50px);
  transition: var(--transition-smooth);
}

.philosophy-block.visible {
  opacity: 1;
  transform: translateY(0);
}

.philosophy-block:nth-child(even) {
  flex-direction: column-reverse;
}

.philosophy-image {
  width: 100%;
  border-radius: 2px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

.philosophy-text {
  padding: 2rem 0;
  text-align: center;
}

.philosophy-text p {
  font-size: 1.2rem;
  line-height: 2;
  color: var(--color-text-light);
  font-style: italic;
  letter-spacing: 0.08em;
}

.footer {
  padding: 3rem 2rem;
  text-align: center;
  background: var(--color-bg-secondary);
}

.footer-text {
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 0.15em;
}

@media (min-width: 768px) {
  .philosophy-block {
    flex-direction: row;
    align-items: center;
  }
  
  .philosophy-block:nth-child(even) {
    flex-direction: row-reverse;
  }
  
  .philosophy-image,
  .philosophy-text {
    width: 50%;
  }
  
  .philosophy-text {
    text-align: left;
    padding: 0 3rem;
  }
}

@media (max-width: 767px) {
  .nav-bar {
    padding: 1.5rem 2rem;
  }
  
  .nav-links {
    gap: 1.5rem;
  }
  
  .nav-links a {
    font-size: 0.75rem;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
    padding: 2rem 1rem;
  }
  
  .philosophy-section {
    padding: 3rem 1rem;
  }
  
  .philosophy-text p {
    font-size: 1rem;
  }
}

.loading {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.loading.loaded {
  opacity: 1;
}