.us .article-wrapper {
    width: 100%;
}

.us {
    padding-bottom: 0;
}

.us-title {
    width: 100%;
    text-align: center;
}

.us-title h5 {
    color: #222;
    font-size: 45px;
    line-height: 1.35;
}

.us-title h5 span {
    color: var(--main-color);
}

.us-title p {
    color: #555;
    font-size: 19px;
    line-height: 1.7;
    margin-top: 2rem;
}

.us-vertical {
    width: 1px;
    height: 100px;
    background-color: #aaa;
    margin: 5rem 0;
}

.us-text {
    width: 100%;
    text-align: center;
    margin-bottom: 4rem;
}

.us-text p {
    color: var(--main-color);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 2rem;
}

.us-text h5 {
    color: #222;
    font-size: 32px;
    line-height: 1.5;
}

.us-box-wrapper {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.us-box {
    position: relative;
    cursor: default;
    overflow: hidden;
}
.us-box::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, rgba(var(--color), .7), #000000a8);
    transition: all .5s;
    opacity: 0;
    z-index: 1;
}
.us-box::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, #00000090 0%, transparent 100%);
    z-index: 1;
}

.us-box-image {
    width: 100%;
}

.us-box-image img {
    width: 100%;
}

.us-box-text {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    z-index: 2;
}

.us-box-text h5 {
    color: #fff;
    font-size: 32px;
    margin-bottom: -10rem;
    transition: all .5s;
}

.us-box-text p {
    width: 90%;
    height: 140px;
    color: #fff;
    font-size: 16px;
    line-height: 1.6;
    margin-top: 2rem;
    opacity: 0;
    visibility: hidden;
}

.us-box:hover .us-box-text h5 {
    margin-bottom: 0;
}
.us-box:hover .us-box-text p {
    opacity: 1;
    visibility: visible;
    transition: all .5s .3s;
}

.us-box:hover::before {
    opacity: 1;
}

.us-image {
    position: relative;
    width: 100%;
    height: 40vh;
    background: url(../images/us-image.jpg) no-repeat;
    background-attachment: fixed;
    background-size: cover;
    overflow: hidden;
}
.us-image::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .2);
}


/*==================================================*/
@media (min-width: 2250px) {
    .us-box-text h5 {
        font-size: 40px;
    }

    .us-box-text p {
        font-size: 19px;
    }
}


@media (max-width: 1450px) {
    .us .article-wrapper {
        padding: 0;
    }
    
    .us-text {
        padding: 0 20px;
    }
    
    .us-box-wrapper {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .us-box-text h5 {
        margin-bottom: 0;
    }
    
    .us-box-text p {
        height: auto;
        opacity: 1;
        visibility: visible;
    }

    .us-image {
        background-attachment: unset;
        background-position: center;
    }
}


@media (max-width: 1250px) {
    .us-title {
        padding: 0 50px;
    }
    
    .us-title br {
        display: none;
    }

    .us-text h5 br {
        display: none;
    }
}


@media (max-width: 768px) {
    .us-title h5 {
        font-size: 36px;
    }

    .us-box-text h5 {
        font-size: 24px;
    }
    
    .us-box-text p {
        color: #ffffffbb;
        font-size: 13px;
        margin-top: 1rem;
    }
}


@media (max-width: 650px) {
    .us-title {
        padding: 0 40px;
    }
    
    .us-title h5 {
        font-size: 32px;
    }

    .us-vertical {
        height: 50px;
        margin: 3rem 0;
    }

    .us-box-wrapper {
        grid-template-columns: repeat(1, 1fr);
    }

    .us-box {
        height: 300px;
    }
    .us-box::before {
        background: none;
    }
    
    .us-box-text {
        height: auto;
    }
}


@media (max-width: 550px) {
    .us-title {
        padding: 0 25px;
    }
    
    .us-title h5 {
        font-size: 22px;
    }

    .us-title p {
        font-size: 15px;
    }

    .us-text p {
        font-size: 16px;
        margin-bottom: 1rem;
    }

    .us-text h5 {
        font-size: 22px;
    }
}