* {
    box-sizing: border-box;
}

:root {
    --primary-color: #2ac9bf;
    --secondary-color: #def6f5;
}

html,
body {
    scroll-behavior: smooth;
}

html {
    font-size: 62.5%;
}

body {
    font-size: 1.6rem;
    font-family: "Poppins", sans-serif;
}

/* ================== COMMON ================== */
.main-content {
    max-width: calc(100% - 48px);
    width: 1170px;
    margin-left: auto;
    margin-right: auto;
}

a {
    text-decoration: none;
}

.btn {
    min-width: 186px;
    height: 68px;
    padding: 0 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    border: 2px solid var(--primary-color);
    border-radius: 14px;
    background: var(--primary-color);
    transition: background 0.4s, color 0.4s;
}

.btn:hover {
    box-shadow: 0px 10px 50px 0px rgba(0, 0, 0, 0.05);
    background: #fff;
    color: var(--primary-color);
    cursor: pointer;
}

.line-clamp {
    display: -webkit-box;
    -webkit-line-clamp: var(--line-clamp, 2);
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.heading {
    color: #0d1111;
    font-weight: 700;
    margin: 18px 0 18px;
}

.heading.lv1 {
    font-size: 4.2rem;
}

.heading.lv2 {
    font-size: 6.2rem;
}

.desc {
    color: #767e7e;
    word-break: break-all;
}

.decs-lv1 {
    font-size: 1.8rem;
}

.desc.lv2 {
    font-size: 1.6rem;
}

.desc-lv3 {
    font-size: 1.4rem;
}

.clearfix::after {
    content: "";
    clear: both;
    display: table;
}

.desc-hero {
    color: #0d1111;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
}

.summary {
    display: inline-block;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 4.5px;
    text-transform: uppercase;
}
/* ================== HEADER ================== */

.header {
    background: #fff;
}

.header.fixed {
    position: sticky;
    top: -44px;
    z-index: 2;
}

.header .body-header {
    display: flex;
    align-items: center;
    padding: 52px 0 8px;
}

.body-header .nav {
    margin-left: auto;
    display: flex;
}

.body-header .nav a {
    color: #2f3a3b;
    padding: 8px 20px;
    border-radius: 999px;
    transition: background 0.4s, color 0.4s, text-shadow 0.4s;
}

.body-header .nav .active,
.body-header .nav li:hover a {
    color: var(--primary-color);
    text-shadow: 0 0 0.65px var(--primary-color),
        0 0 0.65px var(--primary-color);
    background-color: var(--secondary-color);
}

.header .action {
    margin-left: 135px;
    display: flex;
    gap: 24px;
}

.body-header .action .sign-in {
    color: #494949;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 22px;
    border-radius: 6px;
    transition: color 0.4s;
}

.body-header .action .sign-in:hover {
    color: var(--primary-color);
    text-shadow: 0 0 0.65px var(--primary-color),
        0 0 0.65px var(--primary-color);
}

.body-header .action .sign-up-btn {
    min-width: 108px;
    line-height: 48px;
    padding: 0 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    transition: background 0.6s, color 0.4s;
}

.body-header .action .sign-up-btn:hover {
    background: #1ebfc1;
    color: #fff;
}

/* ================== HERO ================== */

.hero {
    padding: 42px 0 79px;
    background: #fff;
}

.hero .body-hero {
    display: flex;
    align-items: center;
    height: calc(100vh - 109.6px - 42px);
}

/* ================== HERO--left ================== */

.hero .content-block {
    width: 45%;
}

.hero .content-block .title {
    color: #767e7e;
    margin-bottom: 18px;
    line-height: 1.5;
}

.hero .content-block .heading {
    color: #0d1111;
    font-weight: 700;
    font-size: 6.2rem;
    line-height: 1.16; /* 116.129% */
    margin-bottom: 46px;
}

.hero .content-block .desc-lv1 {
    width: 70%;
    color: #9da6a5;
    font-size: 1.8rem;
    line-height: 1.78; /* 177.778% */
}
.hero .content-block .no-wrap {
    white-space: nowrap;
}

.hero .content-block .cpa-group {
    display: flex;
    gap: 50px;
    margin-top: 52px;
}

.hero .cpa-group .play-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 62px;
    height: 62px;
    border-radius: 50%;
    background: #ffffff;
    transition: box-shadow 0.4s;
}

.hero .cpa-group .play-btn:hover {
    box-shadow: rgba(42, 201, 191, 0.5) 0px 7px 29px 0px;
    opacity: 0.8;
    cursor: pointer;
}

/* ================== HERO--right ================== */
.hero .media-block {
    width: 55%;
    position: relative;
}

.media-block .img {
    display: block;
    margin-left: auto;
    width: calc(calc(100vh - 109.6px - 42px) / 1.095);
    height: calc(100vh - 109.6px - 42px);
    object-fit: cover;
    border-radius: 20px;
    background: var(--secondary-color);
}

.media-block .our-courses {
    display: flex;
    align-items: center;
    gap: 25px;
    position: absolute;
    background: #fff;
    padding: 18px 25px;
    top: 149px;
    left: 25px;
    border-radius: 18px;
    box-shadow: 0px 10px 80px 0px rgba(0, 0, 0, 0.08);
}

.media-block .our-courses .book-icon {
    position: relative;
    width: 36px;
    height: 40px;
    background: #ff8282;
    border-radius: 4px 2px 2px 4px;
}

.our-courses .book-icon .label {
    position: absolute;
    display: block;
    bottom: 20%;
    left: 50%;
    transform: translatex(-50%);
}

.our-courses .desc-hero {
    width: 55px;
    line-height: 15px;
}

.media-block .sche {
    padding: 16px 25px 23px;
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    position: absolute;
    bottom: 64px;
    left: 0;
    border-radius: 24px;
    background: #fff;
    box-shadow: 0px 10px 80px 0px rgba(0, 0, 0, 0.06);
}

.media-block .sche li {
    text-align: center;
}

.media-block .sche li:last-child {
    margin-top: 4px;
}

.media-block .active-student {
    width: 207px;
    padding: 17px 35px;
    display: inline-block;
    position: absolute;
    right: 45px;
    bottom: 41px;
    background: #fff;
    border-radius: 24px;
    text-align: left;
}

.media-block .active-student .list-student {
    display: flex;
    flex-wrap: wrap;
    margin-top: 8px;
}

.media-block .active-student .avatar {
    width: 33px;
    height: 33px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50px;
    margin-left: -10px;
}

.media-block .active-student .avatar:first-child {
    margin-left: 0;
}

.media-block .active-student .avatar:nth-child(5) {
    background-color: var(--primary-color);
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
}

/* ================== FEATURES ================== */

.features {
    margin-top: 51px;
    padding: 79px 0 40px;
}

.fea-body {
    width: 88%;
    margin-right: auto;
}

.po-body .heading,        /* Info Features + Popular */
.fea-body .mes {
    width: 590px;
}

.po-body .heading,     /* Info Features + Popular */
.fea-body .mes .heading {
    font-size: 42px;
    line-height: 1.334;
}

.po-body .mes .desc,  /* Info Features + Popular */
.fea-body .mes .desc {
    font-size: 18px;
    line-height: 1.77;
}

.fea-body .list-osd {
    margin-top: 80px;
    display: flex;
    justify-content: space-between;
}

.fea-body .list-osd .modun {
    text-align: left;
}

.list-osd .modun .box-icon {
    margin-bottom: 26px;
}

.list-osd .modun .title {
    margin: 26px 0 16px;
    font-size: 20px;
    font-weight: 600;
    line-height: 30px;
}

.list-osd .modun .desc {
    color: #9da6a5;
    font-size: 16px;
    line-height: 1.68; /* 168.75% */
    width: 223px;
}

.list-osd .md1 .desc {
    width: 168px;
}

/* ================== POPULAR-COURSES ================== */
.popular {
    margin-top: 50px;
    padding: 40px 0 100px;
    background-color: #fff;
}

.po-body .mes .desc {
    width: 525px;
}

.po-body .mes .title {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.po-body .mes .title .view-courses a {
    color: #1ebfc1;
    font-size: 1.4rem;
    font-weight: 700;
    text-decoration-line: underline;
}

/* ======== lIST-COURSES ======== */
.list-courses {
    --column: 3;
    --total-gap: calc(var(--column) - 1);
    --gap-width: calc(var(--total-gap) / var(--column));
    --spacing: 48px;

    margin-top: 79px;
    padding: 0 0 65px;
    display: flex;
    gap: var(--spacing);
    overflow: hidden;
}

.list-courses .item {
    width: calc(100% / var(--column) - calc(var(--spacing) * var(--gap-width)));
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.list-courses .item .link-thumb {
    display: inline-block;
    width: 100%;
}

.list-courses .item .info {
    margin-top: -71px;
    z-index: 1;
    width: 90%;
    padding: 18px 0 29px 25px;
    border-radius: 8px;
    background: #fff;
    transition: box-shadow 0.4s ease, top 0.3s;
    box-shadow: 0px 16px 90px 0px rgba(0, 0, 0, 0.05);
}

.item:hover .info {
    top: 340px;
    box-shadow: rgba(100, 100, 111, 0.2) 0px 7px 29px 0px;
}

.list-courses .item .thumb {
    width: 100%;
    height: 393px;
    object-fit: cover;
    border-radius: 8px;
    opacity: 0.8;
    box-shadow: rgba(100, 100, 111, 0.2) 0px 7px 29px 0px;
}

.list-courses .item .thumb:hover {
    opacity: 1;
}

.list-courses .info .pricing span,
.list-courses .info .name {
    color: #0d1111;
    font-size: 22px;
    font-weight: 700;
}

.list-courses .info .pricing {
    margin: 25px 0 14px;
    color: #767e7e;
    font-size: 16px;
    font-weight: 400;
}

.list-courses .info > .desc {
    margin: 6px 0 18px;
    font-size: 14px;
}

.list-courses .info .details {
    margin-top: 24px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.list-courses .info .dt {
    display: flex;
    align-items: center;
}

.list-courses .info .dt::before {
    content: "";
    display: inline-block;
    margin-right: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-color);
}

/* ================== STATISTIC ================== */

.stat {
    margin-top: 40px;
    padding: 60px 0 0;
}
.body-stat {
    display: flex;
    gap: 200px;
    justify-content: center;
}

.body-stat .goals {
    display: flex;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    line-height: 1.5;
}

.body-stat .goals .St {
    color: #0d1111;
    font-size: 6.2rem;
    font-weight: 700;
}

.body-stat .goals .title-st {
    color: #767e7e;
    font-family: Poppins;
    font-size: 1.8rem;
    font-weight: 400;
}

/* ================== FEEDBACK ================== */
.feedback {
    padding: 65px 0;
    margin-top: 150px;
}

.body-feedback {
    display: flex;
    align-items: center;
}

.body-feedback .block-img {
    width: 58%;
    padding-bottom: 41.1%;
    position: relative;
}

.body-feedback .block-img .img-testi {
    display: inline-block;
    position: absolute;
    border-radius: 50%;
    object-fit: cover;
}

.body-feedback .block-img .imgts-1 {
    left: 142px;
    width: 92px;
    height: 92px;
}

.body-feedback .block-img .imgts-2 {
    top: 19px;
    right: 0;
    width: 110px;
    height: 110px;
}

.body-feedback .block-img .imgts-3 {
    left: 0;
    top: 258px;
    width: 78px;
    height: 78px;
}

.body-feedback .block-img .imgts-4 {
    left: 273px;
    top: 107px;
    width: 235px;
    height: 235px;
}

.body-feedback .block-img .imgts-5 {
    left: 212px;
    bottom: 0;
    width: 78px;
    height: 78px;
}

.body-feedback .block-img .imgts-6 {
    right: 32px;
    bottom: 29px;
    width: 78px;
    height: 78px;
}

/* ============ TESTIMONIAL ============ */
.body-feedback .testimonial-quote {
    width: 42%;
}

.testimonial-quote .content blockquote {
    display: block;
    margin-top: 27px;
    width: 419px;
    color: #5d6564;
    font-weight: 400;
    font-size: 3.2rem;
    line-height: 1.5; /* 150% */
}

.testimonial-quote .author {
    margin-top: 33px;
    margin-left: 10px;
}

.testimonial-quote .author b {
    position: relative;
    color: #070707;
    font-size: 1.6rem;
    font-weight: 500;
}

.testimonial-quote .author b::before {
    content: "";
    display: inline-block;
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 2px;
    background: #070707;
}

.testimonial-quote .testi-action {
    margin-top: 52px;
    display: flex;
    gap: 30px;
}

.testimonial-quote .testi-action .next-quote-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 1px solid var(--primary-color);
    transition: all 0.3s;
}

.testimonial-quote .testi-action .next-quote-btn {
    color: white;
}

.testimonial-quote .testi-action .next-quote-btn:hover {
    cursor: pointer;
    color: var(--primary-color);
    background-color: white;
}

/* ================== START ================== */
.get-start {
    margin-top: 130px;
    padding: 76px 0 86px;
    background-color: #def6f5;
}

.get-start .body-get-start {
    width: 87%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.get-start .body-get-start .promote {
    width: 420px;
}

.get-start .body-get-start .promote strong {
    display: inline-block;
    margin-top: 24px;
}

/* ================== FOOTER ================== */
.footer {
    padding: 130px 0 50px;
}

.footer .row {
    display: flex;
}

.footer .row .c1,
.footer .row .c2,
.footer .row .c3,
.footer .row .c4 {
    width: 22.5%;
}

.footer .row .c5 {
    width: 10%;
}

.footer .row .c5 .wrap-sc-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: inline-block;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer .row .c5 li a {
    display: flex;
    align-items: center;
    gap: 9px;
}

.footer .row .column h3 {
    padding: 5px;
    font-weight: 500;
    font-size: 18px;
    line-height: 1.5;
    color: #2e2e2e;
}

.footer .row .column li {
    margin-top: 20px;
}

.footer .row .column li a {
    color: #535353;
    transition: color 0.3s;
}

.footer .row .column li a:hover {
    color: var(--primary-color);
}

/* =============== Copy-right ============= */
.copy-right {
    margin-top: 80px;
    text-align: center;
    color: #b0b5b4;
    font-size: 1.8rem;
    font-weight: 400;
}