header {
    position: relative;
    color: white;
    z-index: 2;
    background-size: cover!important;
    background-position: center!important;
    min-height: 370px;
}

header::before {
    content: " ";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, .5);
    z-index: 1;
}

header .container {
    position: relative;
    z-index: 2;
}

header .title {
    text-align: left;
}

header .title p {
    color: #B3B3B3;
    font-size: 30px;
    font-weight: bold;
}

.studies-card {
    position: relative;
    overflow: hidden;
}

.studies-card img {
    transition: all ease .3s;
    filter: brightness(.6);
    border-radius: 10px;
    height: 195px;
}

.studies-card:hover img {
    transition: all ease .3s;
}

.icon-list {
    color: var(--primary-color);
    font-size: 18px;
    width: 25px;
    text-align: center;
}

.project-info {
    font-weight: bold;
    margin-top: 1px;
}

.related-blog img {
    height: 13em;
    object-fit: cover;
    object-position: bottom;
}

.filter button {
    margin: .2em;
    background-color: inherit;
    border-radius: 10px;
    padding: .5em 1em;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    transition: all ease .3s;
}

.filter button.active {
    background: var(--primary-color);
    font-weight: bold!important;
    color: white;
}

.filter button:hover {
    background: var(--primary-color);
    font-weight: bold!important;
    color: white;
    transition: all ease .3s;
}

.nav-item .nav-link {
    color: #23282C!important;
}

.nav-item .nav-link:hover {
    color: var(--primary-color)!important;
}

.nav-item .nav-link.active {
    color: var(--primary-color)!important;
}

.contact-button .nav-link.active {
    color: white!important;
}