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

:root {
  --color-primary: #f5f5f0;
  --color-secondary: #e8e8e3;
  --color-dark: #2c2c2c;
  --color-gray: #6b6b6b;
  --color-light-gray: #b8b8b8;
  --color-white: #ffffff;
  --color-black: #000000;
  --color-oatmeal: #f0ebe5;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --font-family: 'Noto Sans SC', 'Source Han Sans CN', 'PingFang SC', sans-serif;
  --transition: 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-family);
  line-height: 1.8;
  color: var(--color-dark);
  background-color: var(--color-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
}

nav ul li a {
  text-decoration: none;
  color: var(--color-gray);
  font-weight: 400;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  position: relative;
  transition: var(--transition);
  padding: var(--spacing-xs) 0;
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 1px;
  background-color: var(--color-black);
  transition: var(--transition);
  transform: translateX(-50%);
}

nav ul li a:hover,
nav ul li a.active {
  color: var(--color-black);
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.hamburger span {
  width: 25px;
  height: 2px;
  background-color: var(--color-dark);
  transition: var(--transition);
}

main {
  margin-top: 80px;
  min-height: calc(100vh - 160px);
}

.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background: linear-gradient(135deg, var(--color-white) 0%, var(--color-oatmeal) 100%);
  position: relative;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
  color: var(--color-black);
  opacity: 0;
  animation: fadeInUp 1s ease forwards;
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--color-gray);
  font-weight: 300;
  letter-spacing: 0.08em;
  opacity: 0;
  animation: fadeInUp 1s ease 0.3s forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
  from {
    opacity: 0;
    transform: translateY(20px);
  }
}

.carousel {
  width: 100%;
  max-width: 1600px;
  margin: var(--spacing-xl) auto;
  position: relative;
  overflow: hidden;
}

.carousel-container {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-item {
  min-width: 100%;
  height: 70vh;
  position: relative;
}

.carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.carousel-controls {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-sm);
  z-index: 10;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
}

.carousel-dot.active {
  background-color: var(--color-white);
  width: 30px;
  border-radius: 5px;
}

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

.content-section {
  margin-bottom: var(--spacing-xl);
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition);
}

.content-section.visible {
  opacity: 1;
  transform: translateY(0);
}

.content-section h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-md);
  color: var(--color-black);
}

.content-section p {
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 2;
  color: var(--color-gray);
  max-width: 800px;
}

.gallery {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
  opacity: 0;
  transform: scale(0.95);
  transition: var(--transition);
}

.gallery-item.visible {
  opacity: 1;
  transform: scale(1);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.gallery-item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
  padding: var(--spacing-md);
  transform: translateY(100%);
  transition: var(--transition);
}

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

.gallery-item-overlay h3 {
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-white);
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
}

.gallery-item-overlay p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.details-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.detail-card {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: 2px;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

.detail-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.detail-card:hover {
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.detail-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  margin-bottom: var(--spacing-md);
}

.detail-card h3 {
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  color: var(--color-black);
}

.detail-card p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-gray);
}

footer {
  background-color: var(--color-white);
  text-align: center;
  padding: var(--spacing-md);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

footer p {
  font-size: 0.9rem;
  color: var(--color-light-gray);
  letter-spacing: 0.1em;
}

@media (max-width: 768px) {
  :root {
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
  }

  .hamburger {
    display: flex;
  }

  nav ul {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--color-white);
    flex-direction: column;
    justify-content: flex-start;
    padding-top: var(--spacing-xl);
    gap: var(--spacing-md);
    transition: var(--transition);
  }

  nav ul.active {
    left: 0;
  }

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

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

  .carousel-item {
    height: 50vh;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 70vh;
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .content,
  .gallery,
  .details-grid {
    padding: var(--spacing-md) var(--spacing-sm);
  }
}