:root {
            --primary-color: #007bff;
            --dark-color: #212529;
            --light-color: #f8f9fa;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            line-height: 1.6;
        }
        
        .navbar-brand img {
            max-height: 50px;
            width: auto;
        }
        
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            transition: all 0.3s ease;
        }
        
        .btn-primary:hover {
            background-color: #0056b3;
            border-color: #0056b3;
            transform: translateY(-2px);
        }
        
        .footer-section {
            background-color: var(--dark-color) !important;
        }
        
        .bg-darker {
            background-color: #1a1a1a !important;
        }
        
        .text-primary {
            color: var(--primary-color) !important;
        }
        
        /* Preloader */
        #preloader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #fff;
            z-index: 9999;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .loader {
            width: 50px;
            height: 50px;
        }
        
        .circular {
            animation: rotate 2s linear infinite;
        }
        
        .path {
            stroke: var(--primary-color);
            stroke-linecap: round;
            animation: dash 1.5s ease-in-out infinite;
        }
        
        @keyframes rotate {
            100% { transform: rotate(360deg); }
        }
        
        @keyframes dash {
            0% {
                stroke-dasharray: 1, 150;
                stroke-dashoffset: 0;
            }
            50% {
                stroke-dasharray: 90, 150;
                stroke-dashoffset: -35;
            }
            100% {
                stroke-dasharray: 90, 150;
                stroke-dashoffset: -124;
            }
        }
        
        /* Espaciado para navbar fija */
        body {
            padding-top: 80px;
        }