html, body {
            height: 100%;
        }
        
.full-height {
    min-height: 100vh;
}

.logo-container {
    transition: transform 0.3s ease;
}

.logo-container:hover {
    transform: scale(1.05);
}

.btn-custom {
    min-width: 150px;
    border-radius: 50px;
    padding: 12px 30px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    color: #fff;
}

.btn-primary-custom {
    background: linear-gradient(135deg, #3f7f9a 0%, #949494 100%);
    border: none;
    color: white;
}

.btn-secondary-custom {
    background: linear-gradient(135deg, #3f7f9a 0%, #949494 100%);
    border: none;
    color: white;
}

@media (max-width: 768px) {
    .logo-placeholder {
        width: 150px;
        height: 150px;
        font-size: 1.5rem;
    }
    
    .btn-custom {
        min-width: 120px;
        padding: 10px 25px;
    }
}

@media (max-width: 576px) {
            .logo-placeholder {
                width: 100px;
                height: 100px;
                font-size: 1rem;
            }

            .logo {
                width: 250px;
                height: 150px;
                font-size: 1rem;
            }
            
            .btn-custom {
                width: 100%;
                margin: 0.25rem 0;
                font-size: 0.9rem;
                padding: 10px 20px;
            }
        }

        @media (max-width: 400px) {
            .logo-placeholder {
                width: 80px;
                height: 80px;
                font-size: 0.8rem;
            }

            .logo {
                width: 250px;
                height: 150px;
                font-size: 0.8rem;
            }
            
            .btn-custom {
                font-size: 0.85rem;
                padding: 8px 16px;
            }
        }