:root {
      --primary-color: #2563eb;
      --secondary-color: #1e40af;
      --dark-color: #1a1a1a;
      --light-color: #f9fafb;
    }
    
    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      line-height: 1.6;
      color: var(--dark-color);
      overflow-x: hidden;
    }
    
    /* Custom Navbar */
    .navbar {
      background: rgba(255, 255, 255, 0.98);
      backdrop-filter: blur(10px);
      box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
      padding: 1rem 0;
      transition: all 0.3s;
    }
    
    .navbar-brand {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--primary-color) !important;
    }
    
    .nav-link {
      font-weight: 500;
      color: #4b5563 !important;
      transition: color 0.3s;
    }
    
    .nav-link:hover {
      color: var(--primary-color) !important;
    }
    
    /* Hero Section with Slideshow */
    .hero-section {
      min-height: 85vh;
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
      margin-top: 76px;
      background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    }
    
    .hero-slideshow {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: 1;
    }
    
    .hero-slide {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      opacity: 0;
      transition: opacity 1s ease-in-out;
      background-size: cover;
      background-position: center;
    }
    
    .hero-slide.active {
      opacity: 0.6;
    }
    
    .hero-slide:nth-child(1) {
      background: linear-gradient(rgba(37, 99, 235, 0.4), rgba(37, 99, 235, 0.4)), 
                  url('https://images.unsplash.com/photo-1586023492125-27b2c045efd7?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover;
    }
    
    .hero-slide:nth-child(2) {
      background: linear-gradient(rgba(37, 99, 235, 0.4), rgba(37, 99, 235, 0.4)), 
                  url('https://images.unsplash.com/photo-1620626011761-996317b8d101?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover;
    }
    
    .hero-slide:nth-child(3) {
      background: linear-gradient(rgba(37, 99, 235, 0.4), rgba(37, 99, 235, 0.4)), 
                  url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover;
    }
    
    .hero-content {
      position: relative;
      z-index: 2;
    }
    
    .hero-title {
      font-size: 3.5rem;
      font-weight: 800;
      line-height: 1.2;
      color: white;
      margin-bottom: 1.5rem;
      animation: fadeInUp 1s ease-out;
    }
    
    .hero-subtitle {
      font-size: 1.3rem;
      color: rgba(255, 255, 255, 0.9);
      margin-bottom: 2.5rem;
      max-width: 600px;
      animation: fadeInUp 1s ease-out 0.3s forwards;
      opacity: 0;
    }
    
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .cta-button {
      background: white;
      color: var(--primary-color);
      padding: 1rem 2.5rem;
      border-radius: 50px;
      font-weight: 600;
      font-size: 1.1rem;
      border: none;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
      transition: all 0.3s;
      animation: fadeInUp 1s ease-out 0.6s forwards;
      opacity: 0;
    }
    
    .cta-button:hover {
      transform: translateY(-2px);
      box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    }
    
    /* Services Section */
    .services-section {
      background: var(--light-color);
      padding: 6rem 0;
    }
    
    .section-title {
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--dark-color);
      margin-bottom: 1rem;
    }
    
    .section-subtitle {
      font-size: 1.1rem;
      color: #6b7280;
      margin-bottom: 3rem;
    }
    
    .service-card {
      background: white;
      border-radius: 16px;
      padding: 2.5rem;
      height: 100%;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
      transition: all 0.3s;
      border: none;
    }
    
    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    }
    
    .service-icon {
      font-size: 3rem;
      margin-bottom: 1.5rem;
    }
    
    .service-card h3 {
      font-size: 1.5rem;
      font-weight: 600;
      margin-bottom: 1rem;
    }
    
    /* Gallery Section - Only Carousel */
    .gallery-section {
      padding: 6rem 0;
      background: white;
    }
    
    .gallery-carousel-container {
      position: relative;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
      cursor: pointer;
    }
    
    #projectCarousel {
      height: 500px;
    }
    
    .carousel-item {
      height: 100%;
    }
    
    .carousel-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    
    .carousel-overlay {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
      color: white;
      padding: 2rem;
      text-align: center;
    }
    
    .carousel-overlay h3 {
      margin: 0;
      font-size: 1.5rem;
      font-weight: 600;
    }
    
    .carousel-overlay p {
      margin: 0.5rem 0 0;
      opacity: 0.9;
    }
    
    .carousel-control-prev,
    .carousel-control-next {
      width: 50px;
      height: 50px;
      background: rgba(255, 255, 255, 0.8);
      border-radius: 50%;
      top: 50%;
      transform: translateY(-50%);
      opacity: 0;
      transition: opacity 0.3s;
    }
    
    .gallery-carousel-container:hover .carousel-control-prev,
    .gallery-carousel-container:hover .carousel-control-next {
      opacity: 1;
    }
    
    .carousel-control-prev {
      left: 20px;
    }
    
    .carousel-control-next {
      right: 20px;
    }
    
    .carousel-control-prev:hover,
    .carousel-control-next:hover {
      background: white;
    }
    
    /* Click to View Album Text */
    .click-hint {
      text-align: center;
      margin-top: 1rem;
      color: #6b7280;
      font-size: 1rem;
    }
    
    .click-hint i {
      margin-right: 0.5rem;
    }
    
    /* Lightbox Modal (Album) */
    .lightbox-modal .modal-content {
      background: transparent;
      border: none;
      height: 90vh;
    }
    
    .lightbox-modal .modal-body {
      padding: 0;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    
    .lightbox-image {
      max-width: 100%;
      max-height: 90vh;
      object-fit: contain;
      margin: 0 auto;
      display: block;
    }
    
    .lightbox-nav-btn {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      background: rgba(255, 255, 255, 0.2);
      border: none;
      width: 50px;
      height: 50px;
      border-radius: 50%;
      color: white;
      font-size: 1.5rem;
      z-index: 1051;
      backdrop-filter: blur(10px);
      transition: all 0.3s;
    }
    
    .lightbox-nav-btn:hover {
      background: rgba(255, 255, 255, 0.3);
      transform: translateY(-50%) scale(1.1);
    }
    
    .lightbox-prev {
      left: 20px;
    }
    
    .lightbox-next {
      right: 20px;
    }
    
    .lightbox-counter {
      position: absolute;
      bottom: 20px;
      left: 0;
      width: 100%;
      text-align: center;
      color: white;
      font-size: 1.1rem;
      z-index: 1051;
      background: rgba(0, 0, 0, 0.5);
      padding: 0.5rem;
      backdrop-filter: blur(10px);
    }
    
    .lightbox-close {
      position: absolute;
      top: 20px;
      right: 20px;
      background: rgba(0, 0, 0, 0.5);
      border: none;
      color: white;
      font-size: 1.5rem;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 1051;
      backdrop-filter: blur(10px);
      transition: all 0.3s;
    }
    
    .lightbox-close:hover {
      background: rgba(0, 0, 0, 0.7);
      transform: scale(1.1);
    }
    
    /* Quote Modal */
    .quote-modal .modal-content {
      border-radius: 10px;
      border: none;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    }
    
    .modal-header {
      border-bottom: 1px solid #e2e8f0;
    }
    
    .modal-title {
      color: var(--dark-color);
      font-size: 1.8rem;
    }
    
    .form-control:focus {
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    }
    
    .submit-btn {
      background: var(--primary-color);
      color: white;
      border: none;
      padding: 1rem;
      font-size: 1.1rem;
      font-weight: 600;
      width: 100%;
      transition: background 0.3s;
      position: relative;
    }
    
    .submit-btn:hover {
      background: var(--secondary-color);
    }
    
    .submit-btn:disabled {
      background: #6b7280;
      cursor: not-allowed;
    }
    
    .submit-btn .spinner-border {
      width: 1rem;
      height: 1rem;
      margin-right: 0.5rem;
    }
    
    /* Reviews Section */
    .reviews {
      padding: 6rem 2rem;
      background: #ffffff;
    }
    
    .reviews-container {
      max-width: 1400px;
      margin: 0 auto;
    }
    
    .reviews-grid {
      display: flex;
      gap: 2rem;
      overflow-x: auto;
      padding-bottom: 1rem;
      scroll-behavior: smooth;
    }
    
    .reviews-grid::-webkit-scrollbar {
      height: 8px;
    }
    
    .reviews-grid::-webkit-scrollbar-track {
      background: #f1f1f1;
      border-radius: 4px;
    }
    
    .reviews-grid::-webkit-scrollbar-thumb {
      background: #2563eb;
      border-radius: 4px;
    }
    
    .reviews-grid::-webkit-scrollbar-thumb:hover {
      background: #1d4ed8;
    }
    
    .review-card {
      background: #f9fafb;
      padding: 2.5rem;
      border-radius: 16px;
      border-left: 4px solid #2563eb;
      transition: all 0.3s;
      min-width: 350px;
      flex-shrink: 0;
    }
    
    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
    }
    
    .review-stars {
      color: #fbbf24;
      font-size: 1.2rem;
      margin-bottom: 1rem;
    }
    
    .review-text {
      font-style: italic;
      color: #4b5563;
      margin-bottom: 1.5rem;
      line-height: 1.7;
    }
    
    .review-author {
      display: flex;
      align-items: center;
      gap: 1rem;
    }
    
    .review-avatar {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: #2563eb;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 600;
      font-size: 1.2rem;
    }
    
    .review-info h4 {
      font-weight: 600;
      color: #1a1a1a;
      margin-bottom: 0.2rem;
    }
    
    .review-info p {
      color: #6b7280;
      font-size: 0.9rem;
    }

    /* Features Section */
    .features {
      padding: 6rem 2rem;
      background: #f9fafb;
    }
    
    .features-container {
      max-width: 1400px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 3rem;
    }
    
    .feature {
      text-align: center;
    }
    
    .feature-number {
      font-size: 3rem;
      font-weight: 800;
      color: #2563eb;
      margin-bottom: 0.5rem;
    }
    
    .feature-label {
      font-size: 1.1rem;
      color: #4b5563;
      font-weight: 500;
    }
    
    /* Contact Section */
    .contact-section {
      background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
      padding: 6rem 0;
      color: white;
    }
    
    .contact-form {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      padding: 2.5rem;
      border-radius: 16px;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .contact-info h2 {
      font-size: 2.5rem;
      font-weight: 700;
      margin-bottom: 2rem;
    }
    
    .contact-item {
      display: flex;
      align-items: center;
      gap: 1rem;
      margin-bottom: 1.5rem;
      font-size: 1.2rem;
    }
    
    .contact-icon {
      font-size: 1.5rem;
    }
    
    /* WhatsApp Float */
    .whatsapp-float {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
    }
    
    .whatsapp-btn {
      width: 60px;
      height: 60px;
      background: #25D366;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
      transition: all 0.3s;
      animation: float 3s ease-in-out infinite;
    }
    
    .whatsapp-btn:hover {
      background: #128C7E;
      transform: scale(1.1);
      box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
      animation: none;
    }
    
    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-5px); }
    }
    
    /* Footer */
    .footer {
      background: var(--dark-color);
      color: white;
      padding: 3rem 0;
    }
    
    /* Responsive */
    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.5rem;
      }
      
      .hero-subtitle {
        font-size: 1.1rem;
      }
      
      .section-title {
        font-size: 2rem;
      }
      
      #projectCarousel {
        height: 300px;
      }
      
      .carousel-overlay {
        padding: 1rem;
      }
      
      .carousel-overlay h3 {
        font-size: 1.2rem;
      }
    }
    
    /* Toast Notification */
    .toast-container {
      position: fixed;
      top: 20px;
      right: 20px;
      z-index: 9999;
    }
    
    .toast {
      min-width: 300px;
    }