:root {
  --white: #FFFFFF;
  --porcelain: #FAFAFA;
  --porcelain-dark: #F5F5F5;
  --gray-light: #E8E8E8;
  --gray-medium: #999999;
  --gray-dark: #666666;
  --text-primary: #2C2C2C;
  --text-secondary: #555555;
  --accent: #C9A96E;
  --accent-dark: #B8955A;
  --shadow: rgba(0, 0, 0, 0.06);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  color: var(--text-primary);
  background: var(--porcelain);
  overflow-x: hidden;
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.3px;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(250, 250, 250, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-light);
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: 0 2px 20px var(--shadow);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: var(--transition);
}

.logo:hover {
  color: var(--accent);
}

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

.nav-menu li a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  position: relative;
  transition: var(--transition);
}

.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: var(--transition);
}

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

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--text-primary);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 20px;
  height: 1px;
  background: var(--text-primary);
  transition: var(--transition);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 2rem;
}

.lang-btn {
  background: none;
  border: none;
  font-size: 0.75rem;
  letter-spacing: 1px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.3rem 0.6rem;
  transition: var(--transition);
  font-family: inherit;
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-btn.active {
  color: var(--text-primary);
  font-weight: 500;
}

.lang-divider {
  color: var(--gray-medium);
  font-size: 0.7rem;
}

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

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('images/photo-1577720643272-265f09367456.jpg') center/cover;
  opacity: 0.15;
}

.hero-content {
  text-align: center;
  z-index: 1;
  max-width: 800px;
  padding: 0 2rem;
}

.hero-subtitle {
  font-size: 0.75rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
  font-weight: 400;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 200;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.3;
  letter-spacing: 1px;
}

.hero-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  line-height: 1.8;
  font-weight: 300;
}

.hero-btn {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  background: transparent;
  color: var(--text-primary);
  text-decoration: none;
  border: 1px solid var(--text-primary);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: var(--transition);
}

.hero-btn:hover {
  background: var(--text-primary);
  color: var(--porcelain);
}

.section {
  padding: 8rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-label {
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  font-weight: 400;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 200;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  letter-spacing: 1px;
}

.section-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
  font-weight: 300;
}

.exhibitions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.exhibition-card {
  background: var(--white);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}

.exhibition-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px var(--shadow);
}

.exhibition-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: var(--transition);
}

.exhibition-card:hover .exhibition-image {
  transform: scale(1.03);
}

.exhibition-info {
  padding: 2rem;
}

.exhibition-date {
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  font-weight: 400;
}

.exhibition-title {
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--text-primary);
  margin-bottom: 0.8rem;
  letter-spacing: 0.5px;
}

.exhibition-description {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
}

.artists-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.artist-card {
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.artist-card:hover {
  transform: translateY(-5px);
}

.artist-image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1.5rem;
  filter: grayscale(20%);
  transition: var(--transition);
}

.artist-card:hover .artist-image {
  filter: grayscale(0%);
}

.artist-name {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: 1px;
}

.artist-specialty {
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
  font-weight: 300;
}

.about-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  margin-top: 4rem;
}

.about-image {
  position: relative;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  filter: grayscale(10%);
}

.about-text h3 {
  font-size: 1.6rem;
  font-weight: 200;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  letter-spacing: 1px;
}

.about-text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.about-btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  background: transparent;
  color: var(--text-primary);
  text-decoration: none;
  border: 1px solid var(--text-primary);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: var(--transition);
  margin-top: 1rem;
}

.about-btn:hover {
  background: var(--text-primary);
  color: var(--porcelain);
}

.cta-section {
  background: var(--white);
  padding: 6rem 3rem;
  text-align: center;
  border-top: 1px solid var(--gray-light);
  border-bottom: 1px solid var(--gray-light);
}

.cta-title {
  font-size: 1.5rem;
  font-weight: 200;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: 1px;
}

.cta-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
  font-weight: 300;
}

.cta-btn {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  background: var(--accent);
  color: var(--white);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: var(--transition);
}

.cta-btn:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(201, 169, 110, 0.2);
}

.footer {
  background: var(--porcelain-dark);
  color: var(--text-secondary);
  padding: 4rem 3rem 2rem;
  border-top: 1px solid var(--gray-light);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h3 {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.footer-section p,
.footer-section a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  line-height: 2;
  transition: var(--transition);
  font-weight: 300;
}

.footer-section a:hover {
  color: var(--accent);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-light);
  font-size: 0.8rem;
  color: var(--gray-medium);
  letter-spacing: 1px;
}

.footer-icp {
  margin-top: 0.5rem;
  letter-spacing: 0;
}

.footer-icp a {
  color: var(--gray-medium);
  text-decoration: none;
  transition: var(--transition);
}

.footer-icp a:hover {
  color: var(--accent);
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

@media (max-width: 968px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--porcelain);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 3rem;
    transition: var(--transition);
    gap: 2rem;
  }

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

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

  .hero-title {
    font-size: 1.8rem;
  }

  .about-preview {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .section {
    padding: 5rem 2rem;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 1.5rem;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .exhibitions-grid,
  .artists-grid {
    grid-template-columns: 1fr;
  }

  .nav-container {
    padding: 0 1.5rem;
  }
}