:root {
            --primary-blue: #2E5C7A;
            --accent-blue: #4A90B5;
            --dark-navy: #1A3447;
        }
        
        body {
            background: linear-gradient(135deg, var(--dark-navy) 0%, var(--primary-blue) 100%);
            min-height: 100vh;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        .logo-container {
            max-width: 300px;
            margin: 0 auto;
            animation: fadeInDown 1s ease-out;
        }
        
        .logo-container img {
            width: 100%;
            height: auto;
            filter: drop-shadow(0 10px 30px rgba(0,0,0,0.3));
        }
        
        .main-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            animation: fadeInUp 1s ease-out;
        }
        
        .construction-title {
            color: var(--primary-blue);
            font-weight: 700;
            font-size: 2rem;
            margin-bottom: 1rem;
        }
        
        .construction-text {
            color: #666;
            font-size: 1.1rem;
        }
        
        .form-control:focus {
            border-color: var(--accent-blue);
            box-shadow: 0 0 0 0.25rem rgba(74, 144, 181, 0.25);
        }
        
        .btn-custom {
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--primary-blue) 100%);
            border: none;
            padding: 12px 40px;
            font-weight: 600;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .btn-custom:hover {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(74, 144, 181, 0.4);
        }
        
        .icon-feature {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--primary-blue) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            margin: 0 auto 1rem;
        }

        .titulo-contacto{
            color:var(--primary-blue);
			font-size:1.5rem;
			margin-top:1.5rem;
			margin-bottom:0.5rem;
        }

		label.is-invalid {
		  color: red;
		  font-size: 0.75rem;
		}
        
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .feature-text {
            color: var(--primary-blue);
            font-weight: 600;
        }
        
        @media (max-width: 768px) {
            .construction-title {
                font-size: 2rem;
            }
            .logo-container {
                max-width: 200px;
            }
        }