:root {
  --primary-color: #000000;
  --secondary-color: #FFFFFF;
  --accent-color: #FF5722;
  --background-color: #FFFFFF;
  --text-color: #212121;
  --text-secondary: #757575;
  --border-color: #E0E0E0;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
}

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

header {
  background: var(--secondary-color);
  box-shadow: var(--shadow);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

@media (max-width: 768px) {
  nav {
    padding: 1.5rem 0;
  }
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger {
  width: 25px;
  height: 3px;
  background-color: var(--primary-color);
  margin: 3px 0;
  transition: 0.3s;
}

main {
  margin-top: 80px;
}

.hero {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(26, 26, 26, 0.05) 100%);
  padding: 6rem 0;
  text-align: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  line-height: 1.2;
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  background-color: var(--accent-color);
  color: var(--secondary-color);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn:hover {
  background-color: #E64A19;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--accent-color);
  border: 2px solid var(--accent-color);
}

.btn-outline:hover {
  background-color: var(--accent-color);
  color: var(--secondary-color);
}

.section {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.section-subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--secondary-color);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  font-size: 3rem;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Hero Section Enhancements */
.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.btn-primary {
  background: var(--accent-color);
  color: var(--secondary-color);
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  border: 2px solid var(--accent-color);
  font-size: 1.1rem;
}

.btn-primary:hover {
  background: #D84315;
  border-color: #D84315;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Service Grid Styles */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: var(--secondary-color);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-color);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--accent-color), #FF7043);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--secondary-color);
}

.service-icon i {
  width: 32px;
  height: 32px;
}

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.service-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.service-link {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s ease;
}

.service-link:hover {
  color: #D84315;
}

.service-link::after {
  content: '→';
  transition: transform 0.3s ease;
}

.service-link:hover::after {
  transform: translateX(4px);
}

.cta-section {
  background: var(--primary-color);
  color: var(--secondary-color);
  text-align: center;
}

.cta-section .section-title {
  color: var(--secondary-color);
}

.cta-section .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

/* CTA Section Enhancements */
.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin: 2rem 0;
}

.cta-primary {
  background: var(--accent-color) !important;
  border-color: var(--accent-color) !important;
  padding: 1.25rem 2.5rem !important;
  font-size: 1.1rem !important;
  min-width: 200px;
}

.cta-primary:hover {
  background: #D84315 !important;
  border-color: #D84315 !important;
}

.cta-secondary {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}

footer {
  background: var(--primary-color);
  color: var(--secondary-color);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  margin-bottom: 0.5rem;
  display: block;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 80px;
    flex-direction: column;
    background-color: var(--secondary-color);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow);
    padding: 2rem 0;
  }

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

  .nav-toggle {
    display: flex;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content p {
    font-size: 1.125rem;
  }

  .section-title {
    font-size: 2rem;
  }

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

  .service-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-primary {
    width: 100%;
    max-width: 300px;
  }

  .cta-secondary {
    flex-direction: column;
    align-items: center;
  }

  .cta-secondary .btn {
    width: 100%;
    max-width: 250px;
  }

  .gallery-tabs {
    flex-wrap: wrap;
    justify-content: center;
  }

  .gallery-tab {
    flex: 1 1 auto;
    min-width: 120px;
  }

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

  .floor-map-legend {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }
}

/* Gallery Section Styles */
.gallery-section {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(26, 26, 26, 0.02) 100%);
}

.gallery-tabs {
  display: flex;
  gap: 0.5rem;
  margin: 2rem 0;
  justify-content: center;
  background: var(--secondary-color);
  padding: 0.5rem;
  border-radius: 50px;
  box-shadow: var(--shadow);
}

.gallery-tab {
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: none;
  border-radius: 25px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

.gallery-tab:hover {
  background: rgba(255, 87, 34, 0.1);
  color: var(--accent-color);
}

.gallery-tab.active {
  background: var(--accent-color);
  color: var(--secondary-color);
  box-shadow: 0 2px 8px rgba(255, 87, 34, 0.3);
}

.gallery-content {
  margin-top: 3rem;
}

.gallery-section-content {
  display: none;
}

.gallery-section-content.active {
  display: block;
}

.floor-map {
  background: var(--secondary-color);
  border-radius: 16px;
  padding: 3rem;
  box-shadow: var(--shadow);
  text-align: center;
}

.floor-map-placeholder {
  max-width: 600px;
  margin: 0 auto;
}

.floor-map-placeholder i {
  font-size: 4rem;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.floor-map-placeholder h3 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.floor-map-placeholder p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.floor-map-legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  max-width: 400px;
  margin: 0 auto;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-color);
}

.legend-color {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: block;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.gallery-item {
  background: var(--secondary-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.gallery-placeholder {
  padding: 2rem;
  text-align: center;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.gallery-placeholder i {
  font-size: 3rem;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.gallery-placeholder h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.gallery-placeholder p {
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .hero {
    padding: 4rem 0;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .section {
    padding: 3rem 0;
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.loading {
  display: none;
  text-align: center;
  padding: 2rem;
}

.spinner {
  border: 4px solid #f3f3f3;
  border-top: 4px solid var(--accent-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}