:root {
    --header-height: 64px;
}


/* header fixo */
.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 10;

    display: flex;
    justify-content: center;
    align-items: center;

    background: rgba(14, 14, 17, 0.6);
    backdrop-filter: blur(8px);
}

main {
    flex: 1;
}

.has-fixed-header {
    padding-top: var(--header-height);
}


/* hero base */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.5rem;

    z-index: 1;
    color: #fff;
}

footer {
    padding: 1rem;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.6;
    z-index: 1;
}