* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Source Sans 3", Arial, sans-serif;
    color: #00247D;
    border-top: 6px solid #5F37A7;
}

.contenedor-logo {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 36px;
    width: 100%;
    min-height: calc(100vh - 6px);
    min-height: calc(100svh - 6px);
    padding: 48px 24px;
    background: #E0E8EF url("https://oncobene.com/imagenes/fondo-oncobene.svg") center / cover no-repeat;
}

.logo {
    display: block;
    width: 340px;
    max-width: 100%;
    height: auto;
}

.presentacion {
    width: 100%;
    max-width: 880px;
    padding: clamp(28px, 5vw, 56px);
    border: 1px solid #e3e8f2;
    border-radius: 28px;
    background: #fff;
    text-align: center;
}

h1 {
    margin: 0 auto;
    max-width: 680px;
    font-family: "Almarai", Arial, sans-serif;
    font-size: clamp(1.65rem, 3.7vw, 2.6rem);
    font-weight: 400;
    line-height: 1.25;
    text-wrap: balance;
}

h1 span {
    color: #5F37A7;
    font-weight: 700;
}

p {
    margin: 20px auto 0;
    max-width: 65ch;
    color: #5B5B5B;
    font-size: 1.125rem;
    line-height: 1.65;
}

.descripcion {
    margin: 28px auto 0;
    max-width: 660px;
    text-align: center;
}

.descripcion p + p {
    margin-top: 16px;
}

.lema {
    margin: 0 0 18px;
    max-width: none;
    color: #5F37A7;
    font-size: 1rem;
    font-weight: 600;
}

.enlace {
    margin-top: 30px;
}

a {
    display: inline-block;
    padding: 13px 26px;
    border-radius: 50px;
    background: #00247D;
    color: #fff;
    font-size: 1rem;
    line-height: 1.4;
    text-decoration: none;
}

a:hover {
    background: #5F37A7;
}

a:focus-visible {
    outline: 3px solid #5F37A7;
    outline-offset: 5px;
}

@media (max-width: 700px) {
    .contenedor-logo {
        padding: 32px 18px;
        gap: 28px;
    }

    .logo {
        width: 280px;
        max-width: 80%;
    }

    .presentacion {
        padding: 30px 24px;
        border-radius: 22px;
    }

    p {
        font-size: 1.0625rem;
    }

}