/* Mantener estilos existentes... */
        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: #25D366;
            color: #fff;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            text-align: center;
            font-size: 30px;
            line-height: 60px;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
            transition: all 0.3s ease;
        }
        .whatsapp-float:hover {
            transform: scale(1.1);
            color: #fff;
            background-color: #128C7E;
        }
        .section-proyectos { background-color: #f8fafc; }
        .proyecto-card { 
            background: #ffffff; 
            margin-bottom: 30px; 
            border-radius: 8px; 
            overflow: hidden; 
            box-shadow: 0 5px 20px rgba(0,0,0,0.08); 
            transition: all 0.3s ease; 
            height: 100%;
        }
        .proyecto-card:hover { 
            transform: translateY(-5px); 
            box-shadow: 0 15px 30px rgba(0,0,0,0.12); 
        }
        .proyecto-img { 
            position: relative; 
            overflow: hidden; 
            height: 220px; 
        }
        .proyecto-img img { 
            width: 100%; 
            height: 100%; 
            object-fit: cover; 
            transition: transform 0.3s ease; 
        }
        .proyecto-card:hover .proyecto-img img { 
            transform: scale(1.05); 
        }
        .proyecto-overlay { 
            position: absolute; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            background: linear-gradient(transparent, rgba(0,0,0,0.7)); 
            padding: 15px; 
        }
        .proyecto-categoria { 
            display: inline-block; 
            background-color: rgb(200, 125, 10); 
            color: #fff; 
            font-size: 11px; 
            padding: 4px 12px; 
            border-radius: 20px; 
            text-transform: uppercase; 
            font-weight: 600; 
        }
        .proyecto-categoria i { 
            margin-right: 5px; 
        }
        .proyecto-info { 
            padding: 20px; 
        }
        .proyecto-info h3 { 
            margin: 0 0 10px; 
            font-size: 18px; 
            font-weight: 600; 
            color: #4a5568; 
        }
        .proyecto-info p { 
            margin: 8px 0; 
            font-size: 13px; 
            color: #7f8c8d; 
            line-height: 1.5; 
        }
        .proyecto-info p i { 
            margin-right: 5px; 
            color: #c87d0a; 
        }
        .alert { 
            padding: 15px 20px; 
            border-radius: 8px; 
            margin-bottom: 20px; 
            text-align: center; 
            font-size: 14px; 
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 1000;
            max-width: 400px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            animation: slideInRight 0.3s ease;
        }
        @keyframes slideInRight {
            from {
                transform: translateX(100%);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }
        .alert-success { 
            background-color: #c6f6d5; 
            color: #22543d; 
            border: 1px solid #9ae6b4; 
        }
        .alert-error { 
            background-color: #fed7d7; 
            color: #c53030; 
            border: 1px solid #feb2b2; 
        }
        .alert i {
            margin-right: 8px;
        }
        
        /* Sección Trabaja con Nosotros */
        .section-trabaja {
            background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
            color: #fff;
            padding: 80px 0;
            text-align: center;
        }
        .section-trabaja h2 {
            font-size: 36px;
            margin-bottom: 20px;
        }
        .section-trabaja p {
            font-size: 18px;
            color: #cbd5e0;
            margin-bottom: 30px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-trabaja {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background-color: #c87d0a;
            color: #fff;
            padding: 15px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }
        .btn-trabaja:hover {
            background-color: #a06408;
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        }
        .btn-trabaja i {
            font-size: 20px;
        }
        .ofertas-badge {
            display: inline-block;
            background-color: rgba(255,255,255,0.2);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 14px;
            margin-bottom: 25px;
        }
        .ofertas-badge i {
            margin-right: 8px;
            color: #c87d0a;
        }
        
        /* Loading spinner para el formulario */
        .btn-loading {
            opacity: 0.7;
            pointer-events: none;
        }
        .fa-spinner {
            animation: spin 1s linear infinite;
        }
        @keyframes spin {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .alert {
                top: 10px;
                right: 10px;
                left: 10px;
                max-width: none;
            }
            .section-trabaja h2 {
                font-size: 28px;
            }
            .btn-trabaja {
                font-size: 16px;
                padding: 12px 25px;
            }
        }