.summit main>section {
    background: linear-gradient(180deg, #0019fcc0, #0019fcff),
        url('/site/img/colibri-cover.svg') no-repeat top center / contain,
        url('/site/img/bg-cover.jpg') no-repeat top center / cover;
    background-blend-mode: multiply, screen, normal;
}

.summit section:not(:first-child) {
    margin: 3em 0;
}

.summit .button {
    margin: 1em auto 1em 0;
    background-color: var(--colibri-rosa);
    color: white;
    font-size: 1.125em;
}

.summit .list ul li {
    padding: 0.5em;
    background-color: var(--color-base-surface);
    border-radius: 0.5em;
    line-height: 1.1
}

.summit ul em {
    color: var(--colibri-amarelo);
    font-weight: 500;
    font-size: 1.2em;
    display: block;
    margin: 0.5em 0;
}

.summit .palestrantes h2 {
    margin: 0.5em 0;;
}
.summit .palestrantes ul {
    display: flex;
    flex-flow: row wrap;
    gap: 1em;
}

.summit .palestrantes li {
    flex: 1 0 calc(50% - 1em);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    gap: 0.5em;
    margin: 0;
}

/* deixa um por linha em telas < 910px */
@media (max-width: 910px) {
    .summit .palestrantes li {
        flex: 1 0 100%;
    }
}

.summit .palestrantes img {
    width: 100%;
    border-radius: 1em;
    object-fit: cover;
    min-height: 30em;
}

.summit .palestrantes li::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to bottom, transparent, #000000ff);
    border-radius: 0 0 1em 1em;
    z-index: 0;
    background-blend-mode: multiply;
}

.summit .palestrantes .content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 0.5em;
    z-index: 1;
}

.summit .palestrantes .content p {
    margin: 0;
}