.sect-about .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.about-image {
    width: 46%;
    height: 30em;
    object-fit: cover;
}

.about-content {
    width: 49%;
}

.sect-base .section-title {
    padding-bottom: 16px;
    border-bottom: 1px solid #DADADA;
}

.base-text {
    font-weight: 400;
    font-size: 1.1875rem;
    line-height: 1.4;
    color: #555555;
    margin-bottom: 39px;
}

.swiper-base .swiper-slide {
	cursor: pointer;
    height: 20em;
    position: relative;
}

.swiper-base .swiper-slide .black-filter {
	opacity: 0;
	transition: all .2s ease-in;
}

.swiper-base .swiper-slide:hover .black-filter {
	opacity: .5;
}

.base-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sect-catalog {
    background: #151515;
}

.sect-catalog .section-title {
    color: white;
}

.sect-catalog .about-text {
    color: white;
}

.sect-catalog .container {
    padding: 5em 0;
}

.catalog-images {
    width: 46%;
    height: 30em;
    display: flex;
    justify-content: space-between;
}

.catalog-image {
    width: 48%;
    height: 100%;
    object-fit: cover;
}

.sect-catalog .container {
    position: relative;
}

.sect-catalog {
    position: relative;
}

.sect-catalog .background-image {
    z-index: 0;
    background: url('../images/projects.svg') no-repeat left bottom;
    background-size: cover;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.history-text {
    font-weight: 400;
    font-size: 1.1875rem;
    line-height: 1.4;
    color: #555555;
    margin-bottom: 39px;
}

.swiper-history .swiper-slide {
	cursor: pointer;
    height: 20em;
    position: relative;
}

.swiper-history .swiper-slide .black-filter {
	opacity: 0;
	transition: all .2s ease-in
}

.swiper-history .swiper-slide:hover .black-filter {
	opacity: .5;
}

.history-image {
    height: 100%;
    width: 100%;
    object-fit: cover;
}

.sect-history .section-title {
    padding-bottom: 16px;
    border-bottom: 1px solid #DADADA;
}

.sect-certificates .section-title {
    padding-bottom: 16px;
    border-bottom: 1px solid #dadada;
}

.swiper-certificates .swiper-slide {
	cursor: pointer;
    height: 25em;
    border: 10px solid black;
    position: relative;
}

.swiper-certificates .swiper-slide .black-filter {
	opacity: 0;
	transition: all .2s ease-in;
}

.swiper-certificates .swiper-slide:hover .black-filter {
	opacity: .5;
}

.certificate-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 768px) {
    .sect-about .container {
        flex-direction: column;
    }

    .about-content {
        width: 100%;
        margin-bottom: 25px;
    }

    .catalog-images, .about-image {
        width: 100%;
        height: 20em;
    }
}

@media (max-width: 525px) {
	.swiper-certificates .swiper-slide {
		height: 35em;
	}
}