#transicao2 {
    --altura-total: 22vw;
    --altura-acesse: 3vw;
    --altura-vertical: calc(var(--altura-total) - var(--altura-acesse));

    width: 100%;
    height: var(--altura-total);
    position: relative;
    overflow: hidden;
    transition: background-color 0.9s ease;
}

/* "Meu YouTube" vertical — ocupa a faixa de cima */
.frase-vertical {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--altura-vertical); /* natural: vira a ALTURA final depois de girar */
    height: 100vw;                  /* natural: vira a LARGURA final depois de girar */
    transform-origin: top left;
    transform: rotate(90deg) translateY(-100%);
    padding: 1%;

    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    overflow: hidden;

    color: white !important;
    background: transparent !important;
    z-index: 2;
    mix-blend-mode: difference;

    font-size: 2.2vw;
    font-weight: bold;
    line-height: 1.3;

    user-select: none;
    cursor: pointer;
}

/* "Acesse aqui" — uma linha só, na faixa de baixo */
.frase-acesse {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: var(--altura-acesse);
    overflow: hidden;
    margin-bottom: 1%;

    display: flex;
    flex-wrap: nowrap;     /* trava em uma única linha */
    align-items: center;
    justify-content: flex-start;

    color: white !important;
    background: transparent !important;
    z-index: 2;
    mix-blend-mode: difference;

    font-size: calc(var(--altura-acesse) * 0.5); /* acompanha a altura da faixa */
    font-weight: bold;
    white-space: nowrap;

    user-select: none;
    cursor: pointer;
}

.frase-acesse span {
    white-space: nowrap;
    margin: 0 0.8em;
    flex-shrink: 0; /* impede o texto de espremer pra caber */
}

/* ================= MODAL ================= */

.modal-youtube {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
}

.modal-youtube.aberto {
    display: flex;
}

.modal-caixa {
    background: rgb(20, 20, 20);
    color: whitesmoke;
    padding: 2rem 2.5rem;
    border-radius: 4px;
    text-align: center;
    max-width: 90%;
}

.modal-caixa p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.modal-botoes {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.modal-botoes button {
    padding: 0.6rem 1.8rem;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid whitesmoke;
    background: transparent;
    color: whitesmoke;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.modal-botoes button:hover {
    background: whitesmoke;
    color: rgb(20, 20, 20);
}