.BotonMenuPrincipal {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            width: 200px;
            height: 50px;
            font-size: 16px;
            font-weight: bold;
            color: white;
            background: linear-gradient(45deg, #1A2D99, #000000);
            border: 2px solid white;
            border-radius: 12px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
            cursor: pointer;
            transition: all 0.4s ease;
            overflow: hidden;
            padding: 0 12px;
            text-decoration: none;
            box-sizing: border-box;
        }

        /* Efecto de brillo diagonal */
        .BotonMenuPrincipal::after {
            content: "";
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.3);
            transform: skewX(-45deg);
            transition: left 0.5s ease;
            z-index: 1;
        }

        /* Flecha (encima de todo) */
        .BotonMenuPrincipal::before {
            content: "\f061";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: absolute;
            top: 0;
            right: -45px;
            width: 45px;
            height: 100%;
            background-color: rgba(7,17,30);
            border-radius: 0 8px 8px 0;
            transition: all 0.2s linear;
            z-index: 4; /* ahora encima del logo */
        }

        .BotonMenuPrincipal:hover {
            transform: scale(1.08);
            background: linear-gradient(45deg, #2c3cb5, #1a1a1a);
            box-shadow: 0 0 20px rgba(255, 255, 255, 0.6);
            border-color: #fff;
        }

        .BotonMenuPrincipal:hover::after {
            left: 100%;
        }

        .BotonMenuPrincipal:hover::before {
            right: 0;
        }

        .BotonMenuPrincipal:active {
            transform: scale(0.95);
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
            background: linear-gradient(45deg, #0d1b6b, #000000);
        }

        .BotonMenuPrincipal img {
            width: 24px;
            height: 24px;
            margin-left: auto;
            z-index: 3; /* por debajo de la flecha */
            position: relative;
        }

        .BotonMenuPrincipal span {
            z-index: 3;
            position: relative;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }