.max-45rem {
    max-width: 45rem;
    margin: 0 auto;
}

.max-70rem {
    max-width: 70rem;
    margin: 0 auto;
}

h1 {
    position: relative;
}

h1::before {
    content: "";
    position: absolute;
    top: -30px;
    width: 100px;
    height: 5px;
    background-color: #C50707;
}

main {
    padding-top: 0;
}

.section-1 {
    position: relative;
    background: url("../images/backgrounds/home/bg1-us-home.jpg") center/cover no-repeat;
    padding-top: 150px;
    z-index: 0;
}

.section-1::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.9);
    z-index: -1;
}

.section-1 .max-width>p {
    color: rgba(0, 0, 0, 0.7);
    line-height: 1.7;
    padding: 40px 0;
    text-align: center;
}

.grid-2 {
    gap: 3.125rem;
}

.section-1 .category {
    width: 200px;
    height: 150px;
    padding: 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.5s ease-in-out;
}

.section-1 .category i {
    font-size: 2.5rem;
    padding: 20px;
}

.section-1 .category:hover {
    border-radius: 10px;
    background-color: #C50707;
    color: #FFF;
    box-shadow: 0 0 15px #0005;
}

.section-1 .category:hover i {
    color: #FFF;
}

.img-partition {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 30px;
    align-items: center;
    line-height: 2;
    padding-top: 4.375rem;
}

.img-partition .left {
    padding-top: 50px;
}

.img-partition p {
    padding-bottom: 20px;
}

.img-partition i {
    font-size: 5rem;
}

.img-partition .f-img {
    border-radius: 20px 0 0 20px;
    width: 250px;
    top: -120px;
    left: 50px;
}

.img-partition .s-img {
    border-radius: 20px 20px 0 0;
    width: 400px;
    top: -195px;
    left: 330px;
}

.img-partition .t-img {
    border-radius: 0 0 20px 20px;
    width: 300px;
    top: 55px;
    left: 330px;
}

.parallax {
    position: relative;
    height: 300px;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.parallax.bg {
    background-image: url("../images/home/parallax-unsplash.avif");
}

/* Overlay */
.parallax::after {
    content: "";
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.section-2 {
    position: relative;
    background: url("../images/backgrounds/home/bg2-us-home.jpg") center/cover no-repeat;
    padding-bottom: 0;
    z-index: 0;
}

.section-2::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.7);
    z-index: -1;
}

.section-2 h2 {
    font-size: 2rem;
}

.section-2 h3 {
    font-size: 1.3rem;
}

.section-2 .content {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 35px;
    line-height: 2;
}

.ideal h3 {
    font-size: 2rem;
    padding: 60px;
    font-weight: 600;
}

.ideal-sec i {
    font-size: 2.5rem;
    padding-bottom: 20px;
}

.ideal-sec p {
    font-size: 1.2rem;
}

.ideal-sec {
    position: relative;
    width: 300px;
    height: 300px;
    padding: 20px;
    color: #FFF;
    box-sizing: border-box;
    overflow: hidden;
    cursor: pointer;
    z-index: 0;
}

.ideal-sec.fir::before {
    background-image: url("../images/home/ideal/aggressive-environment-us.jpg");
}

.ideal-sec.sec::before {
    background-image: url("../images/home/ideal/marine-structures-us.jpg");
}

.ideal-sec.thr::before {
    background-image: url("../images/home/ideal/island-developments-us.jpg");
}

.ideal-sec.for::before {
    background-image: url("../images/home/ideal/coastal-buildings-us.jpg");
}

.ideal-sec::before {
    content: "";
    position: absolute;
    inset: 0;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    transition: transform 1s ease-out;
    z-index: -2;
}

.ideal-sec::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: -1;
}

.ideal-sec:hover::before {
    transform: scale(1.1);
}

.clients a {
    transition: all 0.3s ease;
}

.clients h2 {
    font-size: 2rem;
}

.clients img {
    width: 100px;
    box-shadow: 0 0 8px #0005;
    border-radius: 10px;
}

.clients a:hover {
    transform: translateY(-10px);
}

.marquee-wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
}

.marquee {
    overflow: hidden;
    padding: 15px 0;
}

.marquee-track {
    display: flex;
    gap: 3.125rem;
    align-items: center;
    transition: transform 0.5s ease;
}

.arrow {
    background: rgba(0, 0, 0, 0.5);
    color: #FFF;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
}

.arrow:hover {
    background: rgba(0, 0, 0, 0.7);
}


/* *************mobile queries*************** */

@media (max-width: 768px) {
    .grid-4,
    .section-1 .grid-3 {
        grid-template-columns: 1fr 1fr;
    }

    .img-partition.pad-b-150 {
        padding-bottom: 0 !important;
    }

    .section-1 .category {
        width: 150px;
    }

    /* target the 3rd item in grid-3 */
    .grid-3 .category:nth-child(3) {
        grid-column: 1 / -1;
        justify-self: center;
    }

    .img-partition .left {
        padding: 1rem;
        grid-column: 1 / -1;
    }

    .img-partition .right {
        display: none;
    }

    .section-2 .left,
    .section-2 .right {
        grid-column: 1 / -1;
    }

    .section-2 .left {
        margin: 1rem 2rem;
    }

    .section-2 .right {
        margin: 0 1rem;
    }

    .parallax {
        background-attachment: scroll;
    }

    .section-2 .pad-b-80,
    .section-2 .pad-b-100 {
        padding-bottom: 2rem !important;
    }

    .section-2 .pad-b-150 {
        padding-bottom: 4rem !important;
    }

    .ideal .grid-4 {
        grid-template-columns: 1fr;
        justify-self: center;
    }

    .clients .max-width {
        max-width: 8rem;
    }
}