index.css

/* Normalise css */

html,
body {
    background-color: #141414;
    padding: 0;
    margin: 0;
    font-family: Helvetica, Arial, sans-serif;
}

.container {
    width: 100%;
    max-width: 1250px;
    margin: 0 auto;
}

* {
    box-sizing: border-box;
    user-select: none;

}

*::-webkit-scrollbar {
    display: none;
}


/* Header Css */
header {
    background-color: transparent;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    transition: all ease 600ms;
}

header.black-bg {
    background-color: rgb(20, 20, 20);
}

.header-cont {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.left-cont,
.right-cont {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.header-brand {
    max-width: 110px;
}

.main-nav {
    list-style: none;
    display: inline-flex;
    flex-direction: row;
}

.nav-item {
    margin-right: 20px;
    color: #e5e5e5;
    opacity: .83;
}

.nav-item:active {
    color: white;
    opacity: 1;
    font-weight: 500;
}

.right-cont svg,
.right-cont img {
    margin-right: 22px;
    cursor: pointer;
}

.right-cont svg {
    color: white;
}

.right-cont img {
    max-width: 40px;
}


/* Banner Section */

.banner-container {
    padding-left: 10px;
}

.banner-section {
    background-repeat: no-repeat;
    background-size: cover;
    min-height: 98vh;
    padding-top: 120px;
    position: relative;
}

.banner-content {
    display: flex;
    flex-direction: column;
    min-height: 99vh;
    padding-top: 250px;
}

.banner__title {
    color: white;
    font-size: 64px;
    line-height: 1.1;
    margin: 0;
    margin-bottom: 16px;
    max-width: 40%;
}

.banner__info {
    margin-bottom: 14px;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.5;
    color: white;
}

.banner__overview {
    font-size: 16.4px;
    color: white;
    line-height: 1.3;
    max-width: 40%;
}

.action-buttons-cont {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.action-button {
    border: none;
    background-color: white;
    padding: 8px 23px;
    margin-right: 11px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    flex-direction: row;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
}

.action-button:last-child {
    background-color: rgba(109, 109, 110, 0.7);
    color: white;
}

.banner_fadeBottom {
    height: 120px;
    background: linear-gradient(180deg,
            transparent,
            rgba(37, 37, 37, .61),
            #141414);
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
}


/* Movies Section CSS */

.movies-cont {
    margin-top: 100px;
    margin-left: 5vw;
    margin-right: 5vw;
}

.movies-section {
    margin: 41px 0;
}

.movie-section-heading {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.2;
    color: white;
    cursor: pointer;
    margin-bottom: 10px;
}

.explore-nudge {
    color: #54b9c5;
    font-size: 12px;
    display: none;
}

.movie-section-heading:hover .explore-nudge {
    display: inline-block;
}

.movies-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
}

.movie-item {
    width: 245px;
    object-fit: contain;
    margin-right: 6px;
    border-radius: 4px;
    position: relative;
}

.movie-item:hover {
    transform: scale(1.1);
    transition: transform linear 300ms;
}

/* movie detail card css */

.movie-detail-card {
    background-color: #141414;
    width: 400px;
    height: 480px;
    position: fixed;
    bottom: 11vh;
    left: 35vw;
    padding: 7px;
    border: 4px solid rgba(63, 63, 63, 0.61);
    border-radius: 10px;
    color: white;
    display: none;
}

.card__img {
    height: 30%;
    width: 100%;
    border-radius: 5px;
    margin-bottom: 10px;
    opacity: 70%;
}

.card__playbtn {
    position: absolute;
    top: 100px;
    left: 170px;
    z-index: 3;
    cursor: pointer;
}

.card__playbtn svg {
    height: 40px;
    width: 40px;
}

.card__title {
    font-size: 25px;
    font-weight: 700;
    line-height: 1.2;
    margin: 10px 5px;
}

.card__released {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
    margin: 10px 5px;
}

.card__overview {
    font-size: 12px;
    font-weight: 500;
    line-height: 1.2;
    margin: 10px 5px;
}

/* code for cross button */
.cross-btn {
    width: 30px;
    height: 30px;
    top: -7px;
    left: 370px;
    z-index: 3;
    position: absolute;
    cursor: pointer;
}

.cross-btn:before,
.cross-btn:after {
    content: '';
    position: absolute;
    width: 2px;
    height: 20px;
    background-color: #ffffff;
    /* color of the cross */
    top: 5px;
    /* adjust the position */
    left: 50%;
    transform: translateX(-50%);
}

.cross-btn:before {
    transform: rotate(45deg);
}

.cross-btn:after {
    transform: rotate(-45deg);
}




/* RESPONSIVE CSS */

@media (max-width:970px) {
    .main-nav {
        display: none;
    }

    .banner__overview,
    .banner__title {
        max-width: 600px;
    }

    .banner-section {
        min-height: 80vh;
    }

    .banner-container {
        padding-left: 20px;
    }

    .banner__title {
        font-size: 50px;
    }

    .banner__info {
        font-size: 22px;
    }

    .banner__overview {
        font-size: 12px;
    }

    .movie-detail-card {
        left: 23vw;
        width: 320px;
        height: 400px;
        bottom: 8vh;
    }

    .card__playbtn {
        position: absolute;
        top: 72px;
        left: 135px;
        z-index: 3;
        cursor: pointer;
    }

    /* code for cross button */
    .cross-btn {
        top: -12px;
        left: 296px;
    }

    .cross-btn:before,
    .cross-btn:after {
        content: '';
        position: absolute;
        width: 2px;
        height: 20px;
        background-color: #ffffff;
        /* color of the cross */
        top: 5px;
        /* adjust the position */
        left: 50%;
        transform: translateX(-50%);
    }

    .cross-btn:before {
        transform: rotate(45deg);
    }

    .cross-btn:after {
        transform: rotate(-45deg);
    }

    .card__title {
        font-size: 21px;
    }

    .card__released {
        font-size: 12px;
    }

    .card__overview {
        font-size: 9px;
    }

    .movie-section-heading {
        font-size: 16px;
    }

    .movie-item {
        width: 200px;
    }

    .movie-item:hover {
        transform: scale(1.1);
        transition: transform linear 300ms;
    }
}

@media (max-width:550px) {
    .banner-section {
        min-height: 60vh;
    }

    .movie-detail-card {
        left: 14vw;
        width: 260px;
        height: 320px;
        bottom: 14vh;
    }

    .card__playbtn {
        position: absolute;
        top: 55px;
        left: 110px;
        z-index: 3;
        cursor: pointer;
    }

    /* code for cross button */
    .cross-btn {
        top: -12px;
        left: 233px;
    }

    .cross-btn:before,
    .cross-btn:after {
        content: '';
        position: absolute;
        width: 2px;
        height: 20px;
        background-color: #ffffff;
        /* color of the cross */
        top: 5px;
        /* adjust the position */
        left: 50%;
        transform: translateX(-50%);
    }

    .cross-btn:before {
        transform: rotate(45deg);
    }

    .cross-btn:after {
        transform: rotate(-45deg);
    }

    .movie-section-heading {
        font-size: 13px;
    }

    
    .card__title {
        font-size: 18px;
    }

    .card__released {
        font-size: 10px;
    }

    .card__overview {
        font-size: 7px;
    }

    .movie-item {
        width: 170px;
    }

    .movie-item:hover {
        transform: scale(1.1);
        transition: transform linear 300ms;
    }
}