@font-face {
    font-family: "Avenir";
    src: url("../fonts/Avenir-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
  }

body {
    font-family: Inter, sans-serif;
    font-size: 18px;
    line-height: 1.5;
    font-weight: 500;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
}

h1 {
    font-family: Inter, sans-serif;
    font-size: 36px;
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: 0.36px;
}

h2 {
    font-family: Inter, sans-serif;
    font-size: 32px;
    line-height: 1.5;
    font-weight: 700;
    letter-spacing: 0.32px;
    margin-bottom: 20px;
}

h3 {
    font-family: Inter, sans-serif;
    font-size: 24px;
    line-height: 1.5;
    font-weight: 700;
    letter-spacing: 0.24px;
}

img {
    max-width: 100%;
}

ul {
    list-style: none;
}

p {
    margin-bottom: 16px;
}

p:last-child {
    margin-bottom: 0;
}

.d-flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.align-items-center {
    align-items: center;
}

.justify-content-center {
    justify-content: center;
}

.flex-wrap {
    flex-wrap: wrap;
}

.cta-button {
    cursor: pointer;
    font-family: Inter, sans-serif;
    background-color: #0ABE4E;
    border-radius: 8px;
    color: #FFFFFF;
    font-weight: 800;
    text-transform: uppercase;
    padding: 19px 20px 18px 20px;
    border: 0;
    width: 100%;
    transition: 0.165s;
}

.cta-button:hover {
    background-color: #1ead40;
}

.container {
    max-width: 1232px;
    width: 100%;
    padding: 0 16px;
    margin: 0 auto;
}

section {
    margin-bottom: 32px;
}

header {
    border-bottom: 1px solid #0000004D;
    padding: 14px 0 13px 0;
}

.header-content {
    gap: 20px;
    justify-content: space-between;
    font-weight: 700;
}

.layout {
    padding: 45px 0 80px 0;
}

.layout-content {
    gap: 66px;
}

main {
    max-width: 794px;
    flex: 1;
    margin: 0 auto;
}

.hero h1 {
    text-transform: capitalize;
}

.hero-warning {
    background-color: #E9FAFF;
    border: 1px solid #369DBB;
    padding: 15px 16px;
    border-radius: 8px;
    margin: 20px 0 16px 0;
}

.author {
    font-size: 16px;
    line-height: 22px;
    color: #000000B2;
    gap: 12px;
    margin-bottom: 24px;
}

.hero-image {
    border-radius: 16px;
}

.hero-tldr {
    background-color: #F5F7FC;
    margin-top: 24px;
    padding: 16px;
    border-radius: 16px;
}

.hero-tldr-title {
    color: #1D374E;
    padding: 12px 0;
    border-bottom: 1px solid #1D374E;
    margin-bottom: 15px;
}

.hero-tldr-title h4 {
    font-weight: 800;
    letter-spacing: -0.18px;
}

.hero-tldr ul {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 15px 10px;
    max-height: 210px;
    flex-wrap: wrap;
}

.hero-tldr li {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: calc(50% - 10px);
}

.hero-tldr li:before {
    content: '';
    height: 21px;
    width: 21px;
    background-image: url("../img/pre/checkmark.webp");
    background-size: cover;
}

.hero-tldr li span {
    flex: 1;
    font-size: 16px;
    letter-spacing: -0.16px;
}

.introduction-image {
    float: right;
    border-radius: 16px;
    margin-left: 20px;
    margin-bottom: 20px;
}

.introduction-attention {
    border-radius: 12px;
    overflow: hidden;
    background-color: #F5F7FC;
    margin-bottom: 32px;
}

.introduction-attention-title {
    background-color: #DDE7FF;
    padding: 12px 24px;
}

.introduction-attention-title span {
    color: #0394FA;
    text-transform: uppercase;
    font-size: 24px;
}

.introduction-attention-content {
    background-color: #F5F7FC;
    padding: 24px;
}

.choice h2 {
    margin-bottom: 20px;
}

.choice-image {
    border-radius: 16px;
    margin-bottom: 20px;
}

.technology-image {
    float: right;
}

.technology::after {
    content: "";
    display: block;
    clear: both;
}

.attributes-image {
    border-radius: 16px;
}

.attributes ul {
    gap: 18px 16px;
    margin: 20px 0 24px 0;
}

.attributes ul li {
    display: flex;
    align-items: center;
    gap: 15px;
    width: calc(50% - 8px);
    font-weight: 700;
    font-size: 16px;
    line-height: 1.4;
    letter-spacing: 0.16px;
}

.attributes .cta-button {
    font-size: 20px;
}

.feature-image {
    float: right;
    margin-left: 20px;
    margin-bottom: 20px;
    border-radius: 16px;
    overflow: hidden;
}

.feature-image {
    position: relative;
}

.feature-image div {
    font-family: Inter;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.16px;
    color: #FFFFFF;
    gap: 12px;
    background: linear-gradient(90deg, #3C3169 0%, #535C93 100%);
    border-radius: 12px;
    position: absolute;
    bottom: 20px;
    left: 23px;
    right: 23px;
    padding: 11px 13px 10px 13px;
}

.review {
    border-radius: 16px;
    border: 1px solid #3875D033;
    background-color: #F9F9F9;
    padding: 20px 16px;
}

.review {
    letter-spacing: -0.18px;
}

.review p {
    color: #131D24;
    font-style: Italic;
    margin-bottom: 10px;
}

.review div {
    display: flex;
    gap: 10px;
    font-weight: 700;
    line-height: 150%;
}

.reviews-list {
    gap: 24px;
}

.audience ul {
    gap: 18px;
    margin: 32px 0;
}

.audience ul li {
    display: flex;
    align-items: center;
    gap: 12px;
}

.update {
    border-radius: 12px;
    overflow: hidden;
}

.update-title {
    padding: 12px 24px;
    color: #0394FA;
    background-color: #DDE7FF;
    font-weight: 700;
    font-size: 24px;
    line-height: 1.5;
    letter-spacing: 0.24px;
    text-transform: uppercase;
}

.update-content {
    background-color: #F5F7FC;
    padding: 24px;
}

.faq-items {
    margin-bottom: 32px;
}

.faq-item {
    cursor: pointer;
    padding-bottom: 15px;
    border-bottom: 1px solid #D4D4D4;
    position: relative;
}

.faq-item .question {
    font-weight: 600;
    padding-right: 24px;
    padding-top: 15px;
}

.faq-item .answer-wrapper {
    height: 0;
    overflow: hidden;
    transition: 0.22s ease-in-out;
}

.faq-item .answer {
    padding-top: 8px;
}

.faq-item span {
    width: 20px;
    height: 20px;
    background-color: #000000;
    border-radius: 50%;
    position: absolute;
    top: 19px;
    right: 4px;
}

.faq-item span:before,
.faq-item span:after {
    content: '';
    background-color: #ffffff;
    position: absolute;
    width: 8px;
    height: 2px;
    top: 9px;
    left: 6px;
    border-radius: 2px;
}   

.faq-item span:after {
    transform: rotate(90deg);
    transition: 0.06s;
}

.faq-item.open span:after {
    opacity: 0;
}

.bottom-line {
    background-color: #F5F7FC;
    padding: 24px;
    border-radius: 12px;
}

.bottom-line-title {
    color: #0394FA;
    font-weight: 700;
    font-size: 24px;
    line-height: 1.5;
    letter-spacing: 0.24px;
    text-transform: uppercase;
    padding-bottom: 20px;
    border-bottom: 1px solid #1D374E;
    margin-bottom: 20px;
}

.bottom-line .cta-button {
    font-size: 20px;
    letter-spacing: 0.20px;
    padding: 17px 6px;
}

aside {
    background-color: #E4EAF5;
    border-radius: 16px;
    padding: 27px 14px 12px 14px;
    width: 340px;
    height: fit-content;
    text-align: center;
    position: relative;
    overflow: hidden;
    position: sticky;
    top: 40px;
    margin-bottom: 32px;
}

aside:before {
    content: '';
    height: 16px;
    width: calc(100% + 72px); /* extra width to avoid gaps */
    background: repeating-linear-gradient(
        60deg,
        #3381c1 0px,
        #3381c1 9px,
        #5193ca 9px,
        #5193ca 18px
    );
    position: absolute;
    top: 0;
    left: -36px;

    animation: stripeMove 1s linear infinite;
}

@keyframes stripeMove {
    to {
        transform: translateX(21px);
    }
}

.sidebar-image {
    border-radius: 12px;
    margin-bottom: 20px;
}

aside h4 {
    font-weight: 900;
    font-size: 20px;
    line-height: 1.3;
    letter-spacing: 0.2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

aside p {
    font-weight: 500;
    font-size: 14px;
    line-height: 1.3;
    letter-spacing: 0.14px;
    margin-bottom: 20px;
}

aside .cta-button {
    font-size: 20px;
    line-height: 140%;
    letter-spacing: 0.20px;
    padding: 16px;
}

.sellOut-risk {
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.12px;
    text-transform: uppercase;
    margin-top: 12px;
}

.sellOut-risk span {
    color: #D32F2F;
}

footer {
    font-family: Avenir, Inter, sans-serif;
    color: #FFFFFF;
    background-color: #000000;
    text-align: center;
    padding: 40px 0;
}

.footer-content {
    gap: 20px;
}

.footer-content ul li {
    font-size: 16px;
    transition: 0.2s;
}

.footer-content ul a {
    transition: 0.2s;
}

.footer-content ul:hover li a,
.footer-content ul:hover li:after {
    color: #808080;
}

.footer-content ul li:after {
    content: '|';
    font-family: Montserrat, sans-serif;
    transition: 0.2s;
}

.footer-content ul li a:hover {
    color: #ffffff;
    transition: 0.185s ease-in;
}

.footer-content ul li:last-child:after {
    content: none;
}

.footer-content ul a {
    padding: 10px;
}

.copyright {
    font-size: 15px;
}

@media screen and (max-width: 991px) {
    aside {
        display: none;
    }

    .footer-logo img {
        width: 146px;
    }
}

@media screen and (max-width: 767px) {
    h1 {
        font-size: 22px;
        line-height: 1.2;
        letter-spacing: 0.22px;    
    }

    h2 {
        font-size: 24px;
        line-height: 1.3;
        letter-spacing: 0.24px;
    }

    p {
        font-size: 16px;
        margin-bottom: 12px;
        letter-spacing: 0.16px;
    }

    .cta-button {
        font-size: 16px;
        padding: 9px;
    }

    header {
        padding: 10px 0;
    }

    .header-logo {
        width: 95px;
    }

    .header-content {
        font-size: 14px;
    }

    .layout {
        padding: 24px 0 6px 0;
    }

    section {
        margin-bottom: 24px;
    }

    .hero-tldr {
        margin-top: 20px;
        padding: 12px;
    }

    .hero-tldr-title h4 {
        font-size: 16px;
    }

    .hero-tldr ul {
        max-height: unset;
    }

    .hero-tldr li {
        max-width: 100%;
        gap: 8px;
    }

    .hero-warning {
        font-size: 13px;
        padding: 12px;
        margin: 8px 0 12px 0;
    }

    .author {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .introduction-image {
        float: none;
        width: 100%;
        margin: 0;
    }

    .introduction-attention {
        margin-bottom: 16px;
    }

    .introduction-attention-title {
        font-size: 16px;
        line-height: 1.3;
        padding: 12px;
    }

    .introduction-attention-title span {
        font-size: 18px;
    }

    .introduction-attention-content {
        padding: 12px;
    }

    .technology-image {
        display: none;
    }

    .attributes ul {
        flex-direction: column;
    }

    .attributes ul li {
        gap: 12px;
        width: 100%;
    }

    .attributes ul li img {
        width: 40px;
        height: 40px;
    }

    .feature-image {
        margin: 0 0 20px 0;
        float: none;
        width: 100%;
    }

    .feature-image picture img {
        width: 100%;
    }

    .feature-image div {
        font-size: 11px;
        border-radius: 8px;
        padding: 7px 9px;
        margin: 0 auto;
        width: fit-content;
    }

    .feature-image div img {
        width: 27px;
        height: 27px;
    }

    .review {
        padding: 12px;
    }

    .reviews {
        margin-bottom: 32px;
    }

    .review div {
        flex-direction: column;
        font-size: 16px;
        letter-spacing: -0.16px;
    }

    .review div img {
        width: 97px;
        order: -1;
    }

    .audience ul img {
        width: 40px;
        height: 40px;
    }

    .audience ul li {
        font-size: 16px;
        letter-spacing: 0.16px;
    }

    .update-title {
        padding: 12px;
        font-size: 18px;
        letter-spacing: 0.18px;
    }

    .update-content {
        padding: 12px;
    }
    
    .update-content .cta-button {
        font-size: 20px;
        line-height: 1.4;
        letter-spacing: 0.20px;
        padding: 17px;
    }

    .faq-item {
        font-size: 16px;
        letter-spacing: -0.16px;
    }

    .bottom-line {
        padding: 12px;
    }

    .bottom-line-title {
        font-size: 18px;
        letter-spacing: 0.18px;
        padding-bottom: 16px;
        margin-bottom: 16px;
    }

    footer {
        padding: 30px 0;
    }

    .footer-content ul li {
        font-size: 14px;
    }
    
    .copyright {
        font-size: 14px;
    }
}

@media screen and (max-width: 480px) {
    .footer-content ul a {
        padding: 5px;
    }
}

@media screen and (max-width: 380px) {
    .footer-content ul {
        flex-direction: column;
    }

    .footer-content ul li:after {
        content: none;
    }
}