h1 {
            color: black;
            margin-bottom: 30px;
            /*text-shadow: 2px 2px 4px rgba(0, 0, 0, 1.5);*/
            font-size: 2.5rem;
        }
        
        .image-3d-container {
            perspective: 1500px;
            display: inline-block;
            position: relative;
            margin: 30px 0;
        }
        
        .image-3d {
            width: 100%;
            max-width: 600px;
            height: auto;
            border-radius: 15px;
            transform-style: preserve-3d;
            transition: transform 0.1s linear;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
            border: 5px solid #fff;
            cursor: grab;
            transform: rotateX(0deg) rotateY(0deg);
        }
        
        .image-3d:active {
            cursor: grabbing;
        }
        
        .hint {
            color: white;
            margin-top: 20px;
            font-size: 1.2rem;
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
        }
        
    
        
        .controls {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        
        .btn {
            padding: 12px 25px;
            background: rgba(255, 255, 255, 0.2);
            border: none;
            border-radius: 50px;
            color: white;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s;
            backdrop-filter: blur(5px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }
        
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            
            .image-3d {
                max-width: 90%;
            }
            
            .hint, .instructions {
                font-size: 1rem;
            }
            
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
        }
        
        
        
        
        
        
        
        
         /* Estilos para la sección de detalles del proyecto */
        .proyectos-apartment-details {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 20px;
            background: linear-gradient(353deg, #012D5A 0%, #f5f7fa 100%);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            border: 1px solid #eaeaea;
        }
        
        .proyectos-detail-item {
            text-align: center;
            flex: 1;
            min-width: 150px;
            padding: 20px 15px;
            border-radius: 12px;
            background-color: rgba(255, 255, 255, 0.7);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .proyectos-detail-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, #3498db, #2ecc71);
        }
        
        .proyectos-detail-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        }
        
        .proyectos-detail-value {
            font-size: 2.5rem;
            font-weight: 700;
            color: #2c3e50;
            margin-bottom: 8px;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
        }
        
        .proyectos-detail-label {
            font-size: 1rem;
            color: #7f8c8d;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 600;
        }
        
        /* Efectos de color diferentes para cada ítem */
        .proyectos-detail-item:nth-child(1)::before {
            background: linear-gradient(90deg, #3498db, #2980b9);
        }
        
        .proyectos-detail-item:nth-child(2)::before {
            background: linear-gradient(90deg, #e74c3c, #c0392b);
        }
        
        .proyectos-detail-item:nth-child(3)::before {
            background: linear-gradient(90deg, #2ecc71, #27ae60);
        }
        
        .proyectos-detail-item:nth-child(4)::before {
            background: linear-gradient(90deg, #f39c12, #d35400);
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .proyectos-apartment-details {
                flex-direction: column;
                align-items: center;
                background: linear-gradient(353deg, #012D5A 0%, #f5f7fa 100%);
            }
            
            .proyectos-detail-item {
                width: 100%;
                max-width: 250px;
            }
            
            .proyectos-detail-value {
                font-size: 2rem;
            }
        }
        
        /* Tema oscuro opcional */
        @media (prefers-color-scheme: dark) {
          
            .proyectos-apartment-details {
                background: linear-gradient(353deg, #012D5A 0%, #f5f7fa 100%);
                border: 1px solid #444;
            }
            
            .proyectos-detail-item {
                background-color: rgba(45, 45, 45, 0.7);
            }
            
            .proyectos-detail-value {
                color: #ecf0f1;
            }
            
            .proyectos-detail-label {
                color: #bdc3c7;
            }
        }
        
        
        
        
        
        
        
        
        
        
        
         * {
            
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
       
     
        
     
        
   
        .subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
        }
        
        .tour-container {
            position: relative;
            margin: 0 auto;
            max-width: 900px;
            border-radius: 20px;
              background: linear-gradient(135deg, #012D5A, #024b8c, #037bbd);
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
        }
        
        .slider {
            display: flex;
            overflow-x: hidden;
            scroll-behavior: smooth;
            border-radius: 20px;
            height: 500px;
        }
        
        .slide {
            min-width: 100%;
            height: 100%;
            position: relative;
        }
        
        .slide-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        
        .slide-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            padding: 30px 20px 20px;
            color: white;
        }
        
        .slide-title {
            font-size: 1.8rem;
            margin-bottom: 10px;
        }
        
        .slide-desc {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        
        .slider-nav {
            display: flex;
            justify-content: center;
            margin-top: 20px;
            gap: 15px;
        }
        
        .slider-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            border: 2px solid white;
            color: white;
            font-size: 1.2rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .slider-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: scale(1.1);
        }
        
        .dots {
            display: flex;
            justify-content: center;
            margin-top: 20px;
            gap: 10px;
        }
        
        .dot {
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .dot.active {
            background: white;
            transform: scale(1.2);
        }
        
        .room-selector {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 30px;
        }
        
        .room-btn {
            padding: 12px 25px;
            background: #012D5A;
            border: none;
            border-radius: 30px;
            color: white;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .room-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-3px);
        }
        
        .room-btn.active {
            background: #3991BE;
            color: #1a2a6c;
            font-weight: bold;
        }
        
        .boton.info {
            background: linear-gradient(5deg, white -100%, #012D5A 100%);
            color: white;
            font-weight: bold;
            padding: 12px 25px;
            
            border: none;
            border-radius: 30px;
            color: white;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .boton.info:hover {
            background: green;
            color: white;
            font-weight: bold;
            padding: 12px 25px;
            
            border: none;
            border-radius: 30px;
            color: white;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }
        
        .feature-card {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            padding: 20px;
            text-align: center;
            backdrop-filter: blur(5px);
            transition: transform 0.3s ease;
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
        }
        
        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 15px;
        }
        
      
        
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            
            .slider {
                height: 400px;
            }
            
            .slide-title {
                font-size: 1.5rem;
            }
        }
        
        
        .youtube-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #ff0000;
    color: white;
    font-size: 1.3rem;
    font-weight: bold;
    padding: 18px 35px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(255, 0, 0, 0.4);
    text-decoration: none;
}

.youtube-btn:hover {
    background: #cc0000;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 0, 0, 0.5);
}

.youtube-btn i {
    margin-right: 12px;
    font-size: 1.5rem;
}