@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

html {
    scroll-behavior: smooth;
}

body {
    background-color: #252424;
}

.center {
    max-width: 1000px;
    margin: 0 auto;
}

.flex_row {
    display: flex;
    justify-content: center;
    align-items: center;
}

.flex_column {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.text_gradient_yellow {
    background: -webkit-linear-gradient(-90deg, #ffb800, #ff8115);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

.text_gradient_red {
    background: -webkit-linear-gradient(-90deg, #b0220c, #f90808);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text_yellow {
    color: #ffb800;
    text-decoration: none;
}

.text_gradient_grey {
    background: -webkit-linear-gradient(-90deg, #959090, #faf8f8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text_yellow:hover {
    text-decoration: none;
    color: #ffb800;
}

.text_gradient_white {
    background: -webkit-linear-gradient(-90deg, #e0dddd, #fafaf8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.banner {
    text-align: center;
    font-size: 50px;
    width: 100%;
    padding: 0rem 1rem 2rem 1rem;
    font-weight: 600;
}

.title {
    font-size: 40px;
    font-weight: 600;
    margin-top: 1rem;
    color: #f5f5f7;
    text-align: center;
}

.subtitle {
    font-size: 28px;
    font-weight: 500;
    margin-top: 1rem;
    color: #f5f5f7;
}

.text {
    font-size: 20px;
    margin-bottom: 1rem;
    font-weight: 400;
    max-width: 98%;
    text-align: center;
}

@media screen and (max-width: 1000px) {
    .title {
        font-size: 36px;
        font-weight: 600;
    }

    .subtitle {
        font-size: 25px;
        font-weight: 600;
    }
}

@media screen and (max-width: 735px) {
    .title {
        font-size: 32px;
        font-weight: 600;
    }

    .subtitle {
        font-size: 22px;
        font-weight: 600;
        padding: 1rem 0;
    }

    .text {
        font-size: 18px;
    }
}

section {
    padding: 1rem;
}

.hero {
    background: linear-gradient(180deg, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0) 100%);
    height: fit-content;
    margin-top: 70px;
}

.hero .subtitle {
    text-align: center;
}

.img_wrapper {
    height: 100%;
    padding: 2rem;
}

.img_wrapper img {
    max-height: 60vh;
    max-width: 100%;
    height: 100%;
}

.description {
    margin-bottom: 2rem;
    background: url('../challenge/media/background_image_1.png');
    background-position: left;
    background-repeat: no-repeat;
    background-size: contain;
}

.description .text {
    margin-top: 2rem;
}

.order_btn {
    margin-top: 1rem;
    border-radius: 10px;
    border: none;
    background-color: #ffb800;
    font-weight: 600;
    padding: 10px 20px;
    color:rgba(0, 0, 0, 1);
}

.authors {
    background: url('../challenge/media/background_image_3.png');
    background-position: left;
    background-repeat: no-repeat;
    background-size: auto 100%;
}

@media screen and (width <=675px) {
    .authors {
        background-size: auto 60%;
    }
}

@media screen and (width <=475px) {
    .authors {
        background-size: auto 40%;
    }
}

.cards {
    width: 94%;
    position: relative;
    justify-content: flex-start;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: rgba(255, 183, 0, 0.5) 0px 0px 5px 1px;
    transition: 0.6s ease-in-out;
    background-color: #1f1e1e;
    margin-bottom: 2rem;
    padding-bottom: 24px;
}

.cards_inner {
    max-width: 1000px;
    position: absolute;
    padding: 1rem;
    min-height: fit-content;
    width: 100%;
    transition: 0.6s ease-in-out, 0.3s opacity ease-in-out;
    border-radius: 16px;
    right: -100%;
}

.cards_inner.left_side {
    right: 100%;
}

.top_card {
    right: 0% !important;
}

.cards2 {
    width: 94%;
    position: relative;
    justify-content: flex-start;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: rgba(255, 183, 0, 0.5) 0px 0px 5px 1px;
    transition: 0.6s ease-in-out;
    background-color: #1f1e1e;
    margin-bottom: 2rem;
    padding-bottom: 24px;
}

.cards_inner2 {
    max-width: 1000px;
    position: absolute;
    padding: 1rem;
    min-height: fit-content;
    width: 100%;
    transition: 0.6s ease-in-out, 0.3s opacity ease-in-out;
    border-radius: 16px;
    right: -100%;
}

.cards_inner2.left_side {
    right: 100%;
}

.top_card2 {
    right: 0% !important;
}

.btns {
    margin: 30px;
    gap: 10px;
    position: absolute;
    bottom: -20px;
}

.btns button {
    border-radius: 50%;
    border: none;
    background-color: rgba(0, 0, 0, 0);
    font-weight: 600;
    width: 40px;
    height: 40px;
}

.btns button:focus {
    outline: #ffb800 !important;
}

.btns button img {
    width: 60%;
    filter: invert(82%) sepia(43%) saturate(4512%) hue-rotate(359deg) brightness(102%) contrast(106%);
}

.previous_btn img {
    transform: rotate(-180deg);
}

.previous_btn2 img {
    transform: rotate(-180deg);
}

.bulletpoints_wrapper {
    max-width: 700px;
    gap: 20px;
}

.bulletpoints_wrapper .text{
    width: 75%;
    font-size: 18px;
    text-align: left;
    margin: 1rem auto;
}

@media screen and (width < 500px) {
    .bulletpoints_wrapper {
        padding: 0;
    }

    .bulletpoints_wrapper .text{
        width: 95%;
    }
}

select {
    background: rgba(0, 0, 0, 0);
    color: #fff;
    border: none;
}

option {
    background-color: #252424d9;
}

.product_wrapper {
    max-height: 450px;
    max-width: 450px;
}

.product_wrapper img {
    height: 100%;
    width: 100%;
}

.footnote{
    font-size: 16px;
}

.order_card .text,
.order_card .subtitle {
    margin: 0;
}

.order_card {
    margin: 20px auto;
}