nav {
    background: none;
    background-color: #1A1A1A;
}

#intro-section {
    background-image: url(../media/lab_work_1.jpg);
    overflow: hidden;
}
#intro-section > div > h1 {
    display: block;
    /* position: absolute; */
    text-align: center;
    font-size: min(5em, 8vw);
    /* top: 40%; */
    /* left: 50%; */
    margin-left: auto; margin-right: auto;
    margin-top: auto; margin-bottom: auto;
    /* transform: translate(-50%, -50%); */
}
#intro-section > a > img {
    height: min(80px, 10vw);
    display: block;
    position: absolute;
    text-align: center;
    top: 75%;
    left: 50%;
    margin-left: auto; margin-right: auto;
    transform: translate(-50%, -50%);
}
/* #maintitle {
    padding: 10px auto;
    display: flex;
    justify-content: center;
    vertical-align: middle;
    padding-right: 0;
    padding-left: 0;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(7px);
} */
#bf-h1 {
    width: 80%;
    position: absolute;
    text-align: center;
    font-size: min(4em, 8vw);
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.project-row {
    margin: 70px auto;
}
.project-photo {
    padding-top: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}
.project-photo > img {
    margin: auto;
    width: 400px;
    max-width: 70vw;
    box-shadow: 0 0 5px #1A1A1A;
    border: 3px solid white;
}
.project-info > h1 {
    margin-bottom: 40px;
}
/* Styl dla przycisków zakładek */
#tabs-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.tab-button {
    background-color: transparent;
    border: 2px solid #FFB422;
    color: #FFB422;
    font-size: 1.2rem;
    padding: 8px 20px;
    border-radius: 20px;
    cursor: pointer;
    transition: 0.3s ease;
}

.tab-button:hover {
    background-color: #FFB422;
    color: #1A1A1A;
}

.tab-button.active {
    background-color: #FFB422;
    color: #1A1A1A;
}

/* Ukrywanie i pokazywanie treści zakładek */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}



@media screen and (max-width: 991px) {
    .project-row-rev {
        flex-direction: column-reverse;
    }
    /* .project-info > * {
        max-width: 400px;
    } */
}