* {
    box-sizing: border-box;
}

html {
    font-size: 62.5%;
}

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

html,
body {
    scroll-behavior: smooth;
}

/* Common */
a {
    text-decoration: none;
    color: #2f3a3b;
}

.main-content {
    width: 1170px;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    background: #1ebfc1;
    border-radius: 14px;
    min-width: 186px;
    font-weight: 600;
    font-size: 1.8rem;
    line-height: 1.5;
    text-align: center;
    color: #ffffff;
    border-radius: 14px;
    padding: 20px 0;
}

.line-clamp {
    display: -webkit-box;
    -webkit-line-clamp: var(--line-clamp, 3);
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Header */
.header {
    position: sticky;
    top: -44px;
    z-index: 1;
    background: #fff;
}

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

.nav {
    margin-left: auto;
}

.nav ul {
    display: flex;
}

.header .nav a {
    font-size: 1.6rem;
    line-height: 1.5;
    color: #2f3a3b;
    text-align: center;
    padding: 12px 20px;
}

.nav li a:hover {
    text-shadow: 1px 0 0 currentColor;
}

.header .link {
    margin-left: 157px;
}

.header .link a {
    font-size: 1.6rem;
    line-height: 1.5;
    text-align: center;
    color: #494949;
}

.header .link a:last-child {
    font-weight: 600;
    color: #1ebfc1;
    padding: 12px 24px;
    border: 1px solid #1ebfc1;
    border-radius: 6px;
    margin-left: 24px;
}

/* Hero */
.hero {
    padding: 42px 0 80px;
}

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

.hero .info {
    width: 39%;
}

.hero .info .desc:first-of-type {
    font-size: 1.4rem;
    line-height: 1.5;
    color: #767e7e;
}

.hero .info .title {
    font-weight: 700;
    font-size: 6.2rem;
    line-height: 1.16;
    color: #0d1111;
    margin: 18px 0 46px;
}

.hero .info .desc:nth-of-type(2) {
    font-size: 1.8rem;
    line-height: 1.78;
    color: #9da6a5;
}

.hero .banner {
    position: relative;
}

.hero .banner img {
    width: 576px;
    height: 631px;
    object-fit: cover;
}

.hero .started {
    margin-top: 52px;
}

.hero .watch-video {
    background: #ffffff;
    width: 62px;
    height: 62px;
    border-radius: 50%;
    margin-left: 50px;
    border: none;
    box-shadow: 0px 22px 50px rgba(0, 0, 0, 0.05);
    cursor: pointer;
}

.banner .courses {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 157px;
    height: 75px;
    background: #fefefd;
    box-shadow: 0px 10px 80px rgba(0, 0, 0, 0.05);
    border-radius: 18px;
    position: absolute;
    top: 149px;
    left: -40px;
}

.banner .courses .courses-data {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 107px;
    height: 40px;
    position: relative;
}

.banner .courses img {
    width: 36px;
    height: 40px;
}

.banner .desc {
    font-weight: 500;
    font-size: 1rem;
    line-height: 1.5;
    color: #0d1111;
}

.banner .courses .desc {
    width: 55px;
    height: 33px;
}

.banner .courses-data::after {
    display: inline-block;
    content: "";
    width: 28px;
    height: 4px;
    background: #fff;
    border-radius: 4px;
    position: absolute;
    left: 4px;
    top: 28px;
}

.banner .schedules {
    width: 124px;
    height: 132px;
    background: #ffffff;
    box-shadow: 0px 10px 80px rgba(0, 0, 0, 0.05);
    border-radius: 24px;
    position: absolute;
    left: -62px;
    bottom: 46px;
}

.banner .schedules-data {
    padding: 16px 25px 23px;
    text-align: center;
}

.banner .schedules-data .desc {
    margin-bottom: 4px;
}

.banner .schedules .img {
    display: block;
    width: 74px;
    height: 6px;
    margin-top: 12px;
}

.active {
    background: #fefefd;
    box-shadow: 0px 12px 80px rgba(0, 0, 0, 0.05);
    border-radius: 24px;
    position: absolute;
    bottom: 41px;
    right: 45px;
}

.active .active-data {
    padding: 17px 35px;
}

.active .data {
    display: flex;
    margin-left: 7px;
    margin-top: 8px;
}

.active .data span,
.active .data img {
    height: 33px;
    width: 33px;
    border-radius: 50%;
    object-fit: cover;
    margin-left: -7px;
}

.active .data span {
    line-height: 33px;
    background: #1ebfc1;
    font-size: 1rem;
    text-align: center;
    color: #ffffff;
}

/* Feature */
.feature {
    padding: 30px;
    margin-top: 100px;
}

.feature .body {
    width: 1024px;
    max-width: 100%;
}

.feature-top {
    width: 58%;
}

.feature-top strong {
    font-weight: 700;
    font-size: 1.2rem;
    line-height: 1.5;
    color: #767e7e;
}

.feature-top .title {
    font-weight: 700;
    font-size: 4.2rem;
    line-height: 1.33;
    color: #0d1111;
    margin: 18px 0;
}

.feature-top .desc {
    font-weight: 400;
    font-size: 1.8rem;
    line-height: 1.5;
    color: #767e7e;
}

.feature-bottom {
    margin-top: 80px;
}

.feature-bottom .list-item {
    display: flex;
    justify-content: space-between;
}

.feature-bottom .item .info {
    font-weight: 600;
    font-size: 2rem;
    line-height: 1.2;
    color: #0d1111;
    padding: 26px 0 16px;
}

.feature-bottom .item .desc {
    font-size: 1.6rem;
    line-height: 1.69;
    color: #9da6a5;
    width: 225px;
}

/* Courses */
.courses {
    padding: 50px 0;
    margin-top: 50px;
}

.course-top {
    display: flex;
    justify-content: space-between;
}

.course-top .info {
    width: 45%;
}

.course-top strong {
    font-weight: 700;
    font-size: 1.2rem;
    line-height: 1.5;
    color: #767e7e;
}

.course-top .title {
    font-weight: 700;
    font-size: 4.2rem;
    line-height: 1.5;
    color: #0d1111;
    margin: 18px 0;
}

.course-top .desc {
    font-size: 1.8rem;
    line-height: 1.78;
    color: #767e7e;
}

.course-top .view {
    font-weight: 700;
    font-size: 1.4rem;
    line-height: 1.5;
    color: #1ebfc1;
    margin-top: 140px;
}

.course-top .view:hover {
    text-decoration: underline;
}

.course-list {
    display: flex;
    justify-content: space-between;
    gap: 47px;
    margin-top: 79px;
}

.course-list .course-item {
    flex: 1;
    position: relative;
}

.course-list img {
    width: 100%;
    height: 396px;
    object-fit: cover;
}

.course-item .item-body {
    background: #ffffff;
    box-shadow: 0px 16px 90px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    width: 325px;
    height: 195px;
    position: absolute;
    bottom: -74px;
    left: 17px;
}

.course-item .info {
    padding: 18px 25px 29px;
}

.course-item .price {
    font-size: 1.6rem;
    line-height: 1.5;
    color: #767e7e;
    margin-top: 16px;
}

.course-list strong {
    font-weight: 700;
    font-size: 2.2rem;
    line-height: 1.5;
    color: #0d1111;
}

.course-item .desc {
    font-size: 1.4rem;
    line-height: 1.5rem;
    color: #9da6a5;
    margin: 6px 0 18px;
}

.course-item .amount span {
    display: inline-flex;
    align-items: center;
    font-size: 1.4rem;
    line-height: 1.5;
    color: #9da6a5;
}

.course-item .amount span:first-child {
    margin-right: 10px;
}

.course-item .amount span::before {
    display: inline-block;
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #1ebfc1;
    margin-right: 10px;
}

.qty {
    margin-top: 389px;
    display: flex;
    justify-content: space-around;
    text-align: center;
}

.qty strong {
    font-weight: 700;
    font-size: 4.2rem;
    line-height: 1.5;
    text-align: center;
    color: #0d1111;
}

.qty .desc {
    font-size: 1.8rem;
    line-height: 1.5;
    text-align: center;
    color: #767e7e;
}

/* Feedback */
.feedback {
    padding: 50px 0;
    margin-top: 164px;
}

.feedback-list {
    display: flex;
    justify-content: space-between;
}

.feedback-left {
    width: 36%;
}

.feedback-left .desc {
    font-size: 3.2rem;
    line-height: 1.5;
    color: #5d6564;
    margin: 27px 0 33px;
}

.feedback-left .info-name .name {
    display: inline-block;
    font-weight: 600;
    font-size: 1.6rem;
    line-height: 1.5;
    color: #070707;
}

.feedback-left .info-name span {
    font-size: 1.6rem;
    line-height: 1.5;
    color: #767e7e;
}

.feedback-left .control {
    margin-top: 52px;
}

.feedback-left button {
    height: 50px;
    width: 50px;
    border-radius: 50%;
    margin-right: 30px;
    border: 1px solid #2ac9bf;
    color: #2ac9bf;
    background: transparent;
}

.feedback-left button:hover {
    color: #fff;
    background: #2ac9bf;
    cursor: pointer;
}

.feedback-img {
    display: flex;
    width: 58%;
    position: relative;
}

.feedback-img img {
    border-radius: 50%;
    object-fit: cover;
}

.feedback-img .img1 {
    width: 235px;
    height: 235px;
    position: absolute;
    left: 273px;
    top: 107px;
}

.feedback-img .img2 {
    width: 92px;
    height: 92px;
    position: absolute;
    left: 144px;
    top: 0;
}

.feedback-img .img3,
.feedback-img .img4,
.feedback-img .img6 {
    width: 78px;
    height: 78px;
}

.feedback-img .img3 {
    position: absolute;
    left: 0;
    top: 258px;
}

.feedback-img .img4 {
    position: absolute;
    left: 212px;
    bottom: 0;
}

.feedback-img .img5 {
    width: 110px;
    height: 110px;
    position: absolute;
    right: 0;
    top: 19px;
}

.feedback-img .img6 {
    position: absolute;
    right: 32px;
    bottom: 29px;
}

/* get-started */
.get-started {
    margin-top: 80px;
    background: #def6f5;
}

.get-started .body {
    display: flex;
    justify-content: space-between;
}

.get-started .body {
    padding: 76px 154px 88px 135px;
}

.get-started .title {
    font-weight: 700;
    font-size: 4.2rem;
    line-height: 1.5;
    color: #070707;
}

.get-started .desc {
    margin-top: 18px;
    font-size: 1.8rem;
    line-height: 1.5;
    color: #767e7e;
}

.get-started .control {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Footer */
footer {
    background: #fff;
    padding: 50px 35px;
    margin-top: 100px;
}

footer .row {
    display: flex;
    justify-content: space-between;
}


footer .title {
    font-weight: 500;
    font-size: 1.8rem;
    line-height: 1.5;
    color: #2e2e2e;
}

footer .copyright {
    font-size: 1.8rem;
    line-height: 1.5;
    color: #b0b5b4;
    text-align: center;
    margin-top: 80px;
}

footer ul {
    margin-top: 15px;
    margin-left: -10px;
}

footer li a {
    display: inline-block;
    font-size: 1.6rem;
    line-height: 1.5;
    color: #535353;
    padding: 10px;
}

footer .social .social-img {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
}