html, body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    height: 100%;
}

.encabezado-marca {
    margin-bottom: 30px;
    padding: 0 12px;
    text-align: center;
}

.titulo-analy-moderno {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2rem, 8vw, 3.8rem);
    font-weight: 800;
    letter-spacing: clamp(1px, 0.6vw, 4px);
    text-transform: uppercase;
    line-height: 1.1;
    margin: 0;
    text-align: center;
    display: inline-block;
    max-width: 100%;
    word-break: break-word;
    background: linear-gradient(90deg, #7b2cbf, #9d4edd, #c77dff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 12px rgba(123, 44, 191, 0.25);
    position: relative;
}

.titulo-analy-moderno::after {
    content: "";
    display: block;
    width: min(220px, 60%);
    height: 4px;
    margin: 12px auto 0;
    border-radius: 10px;
    background: linear-gradient(90deg, #7b2cbf, #c77dff);
    box-shadow: 0 3px 10px rgba(157, 78, 221, 0.35);
}

@media (max-width: 576px) {
    .encabezado-marca {
        margin-bottom: 20px;
        padding: 0 10px;
    }

    .titulo-analy-moderno {
        font-size: clamp(1.8rem, 9vw, 2.4rem);
        letter-spacing: 1.5px;
        line-height: 1.15;
    }
    
    .titulo-analy-moderno::after {
        width: 70%;
        margin-top: 10px;
    }
}

.tarjeta_usuario {
    width: 350px;
    margin-top: auto;
    margin-bottom: auto;
    background: #3f3d56;
    position: relative;
    display: flex;
    justify-content: center;
    flex-direction: column;
    padding: 10px;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    -webkit-box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    -moz-box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    border-radius: 5px;
}