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

:root {
  --bg-primary: #F9F9F9;
  --bg-secondary: #FFFFFF;
  --color-primary: #333333;
  --color-secondary: #666666;
  --color-accent: #A8B5B0;
  --font-family: 'Noto Sans SC', 'Helvetica Neue', 'SF Pro Display', sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--color-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

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

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.3s ease;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 24px;
  font-weight: 300;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  color: var(--color-primary);
  text-decoration: none;
  font-size: 16px;
  font-weight: 400;
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

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

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

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

.hero-content {
  text-align: center;
  color: white;
  z-index: 1;
  padding: 40px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 10px;
}

.hero-title {
  font-size: 48px;
  font-weight: 300;
  margin-bottom: 20px;
  letter-spacing: 3px;
}

.hero-subtitle {
  font-size: 20px;
  font-weight: 300;
  letter-spacing: 1px;
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 36px;
  font-weight: 300;
  text-align: center;
  margin-bottom: 60px;
  color: var(--color-primary);
  letter-spacing: 2px;
}

.cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.card {
  background-color: var(--bg-secondary);
  border-radius: 10px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.card-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.card-content {
  padding: 20px;
}

.card-title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 10px;
  color: var(--color-primary);
}

.card-text {
  font-size: 14px;
  color: var(--color-secondary);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  grid-gap: 20px;
  grid-auto-flow: dense;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.gallery-item:nth-child(3n+1) {
  grid-row: span 2;
}

.gallery-item:nth-child(3n+2) {
  grid-column: span 2;
}

.filter-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-primary);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 14px;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-accent);
  color: white;
}

.article {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-bottom: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid #eee;
}

.article:last-child {
  border-bottom: none;
}

.article-header {
  text-align: center;
}

.article-title {
  font-size: 32px;
  font-weight: 300;
  margin-bottom: 20px;
  color: var(--color-primary);
  letter-spacing: 1px;
}

.article-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 30px;
}

.article-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.article-text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-secondary);
}

.article-img-small {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 10px;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 60px;
  align-items: center;
}

.about-text {
  max-width: 800px;
  text-align: center;
  font-size: 18px;
  line-height: 1.8;
  color: var(--color-secondary);
}

.about-img {
  width: 100%;
  max-width: 600px;
  height: 400px;
  object-fit: cover;
  border-radius: 10px;
}

.principles {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}

.principle {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}

.principle-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
}

.principle-text {
  font-size: 16px;
  color: var(--color-primary);
}

footer {
  text-align: center;
  padding: 30px 0;
  font-size: 14px;
  color: var(--color-secondary);
  font-weight: 300;
}

.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 2000;
  justify-content: center;
  align-items: center;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  border-radius: 10px;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 40px;
  color: white;
  font-size: 40px;
  cursor: pointer;
  z-index: 2001;
}

.scroll-container {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 20px;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) transparent;
}

.scroll-container::-webkit-scrollbar {
  height: 8px;
}

.scroll-container::-webkit-scrollbar-track {
  background: transparent;
}

.scroll-container::-webkit-scrollbar-thumb {
  background-color: var(--color-accent);
  border-radius: 4px;
}

.scroll-card {
  min-width: 300px;
  background-color: var(--bg-secondary);
  border-radius: 10px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.scroll-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.scroll-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.scroll-card-content {
  padding: 20px;
}

.scroll-card-title {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .nav-links {
    gap: 20px;
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .section-title {
    font-size: 28px;
  }

  .article-content {
    grid-template-columns: 1fr;
  }

  .principles {
    gap: 40px;
  }

  .filter-buttons {
    gap: 10px;
  }

  .gallery-item:nth-child(3n+2) {
    grid-column: span 1;
  }
}