:root {
            --primary-color: #6366f1;
            --primary-hover: #4f46e5;
            --bg-color: #f8fafc;
            --card-bg: #ffffff;
            --text-color: #0f172a;
            --border-color: #e2e8f0;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
.widget-contacto {
            background: var(--card-bg);
            width: 100%;
            max-width: 500px;
            border-radius: 12px;
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }

        .btn-desplegar {
            width: 100%;
            padding: 20px 24px;
            background: none;
            border: none;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-desplegar:hover { background-color: #d4af37; }
        .btn-desplegar .icono { transition: transform 0.3s ease; }
        .widget-contacto.abierto .icono { transform: rotate(180deg); }

        .contenedor-formulario {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .formulario-contacto { padding: 0 24px 24px 24px; display: flex; flex-direction: column; gap: 16px; }
        .grupo-campo { display: flex; flex-direction: column; gap: 6px; }
        .grupo-campo label { font-size: 0.9rem; font-weight: 500; color: #64748b; }
        
        .grupo-campo input, .grupo-campo textarea {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
            background-color: #f8fafc;
        }

        .grupo-campo input:focus, .grupo-campo textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            background-color: #d4af37;
            box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
        }

        .grupo-campo textarea { resize: vertical; min-height: 120px; }

        .btn-enviar {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 14px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 8px;
        }
        .btn-enviar:hover { background-color: var(--primary-hover); }