* {
  box-sizing: border-box;
}

:root {
  --primary: #ffb900;
  --font-heading: "Sen", sans-serif;
  --line-clamp: 1;
}

html {
  font-size: 62.5%;
}

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

/* Common */
.main-content {
  width: 117rem;
  max-width: calc(100% - 4.8rem);
  margin-left: auto;
  margin-right: auto;
}

.heading {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.17241;
  letter-spacing: -0.116rem;
  color: #171100;
}

a {
  text-decoration: none;
  color: #000;
}

.btn {
  display: inline-block;
  border-radius: 2.45rem;
  background: #171100;
  color: #fff;
  font-weight: 600;
  padding: 1.1rem 4.1rem;
}

.btn:hover {
  background: var(--primary);
}

.desc {
  color: #5f5b53;
  font-family: Poppins;
  font-weight: 400;
  line-height: 1.85714;
}

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

.break-all {
  word-break: break-all;
}

.dot {
  display: inline-block;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: #634700;
  margin-right: 0.6rem;
  cursor: pointer;
}

.dot.active {
  background: #ffb900;
  cursor: default;
}

.horizontal-line {
  display: block;
  width: 16rem;
  height: 0.1rem;
  border-radius: 0.5px;
  background: #e2dfda;
  margin: 1.2rem 0;
}

/* Header */
.header {
  background: #fffcf4;
}

.header.fixed {
  position: sticky;
  top: -2.8rem;
  z-index: 2;
}

.header .body {
  display: flex;
  align-items: center;
  padding: 3.6rem 0 0.8rem;
}

.nav {
  margin-left: auto;
}

.nav ul {
  display: flex;
  text-align: center;
}

.nav a {
  position: relative;
  padding: 0.8rem 2.1rem;
  color: #5f5b53;
  font-size: 1.6rem;
}

.action {
  margin-left: 4.9rem;
}

.nav a:hover,
.nav li.active a {
  /* font-weight: 600; */
  text-shadow: 0.1rem 0 0 currentColor;
  color: #171100;
}

.nav li.active a::after {
  position: absolute;
  content: "";
  display: block;
  width: 1.2rem;
  height: 0.2rem;
  background-color: #171100;
  border-radius: 0.1rem;
  left: 21px;
  bottom: 0.6rem;
}

.header .sign-up-btn {
  min-width: 14.4rem;
}

/* Hero */
.hero {
  padding: 6.4rem 0;
  background: #fffcf4;
}

.hero .body {
  display: flex;
}

/* Hero Left */
.hero-left {
  position: relative;
  width: 48%;
}

.hero-left .img {
  width: 47rem;
  height: 68.5rem;
  width: 100%;
  border-radius: 2rem;
  object-fit: cover;
}

.hero-summary {
  position: absolute;
  bottom: 4.8rem;
  right: 0;
  width: 27rem;
  height: 24.4rem;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0px 16px 32px 0px rgba(0, 0, 0, 0.05);
}

.body-summary {
  padding: 2.4rem;
}

.hero-summary .item {
  display: flex;
  align-items: center;
  padding-bottom: 1.4rem;
}

.body-summary > .item:last-child {
  padding-bottom: 0;
}

.hero-summary .info {
  margin-left: 1.6rem;
}

.hero-summary .info .label {
  color: #5f5b53;
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.85714;
}

.hero-summary .info .title {
  color: #171100;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.66667;
}

/* Hero Right */
.hero-right {
  padding-left: 13rem;
  width: 52%;
}

.hero-right h1 {
  font-size: 5.8rem;
}

.hero-right > p:first-of-type {
  padding-top: 2.2rem;
}

.hero-right > p:nth-of-type(3) {
  padding-top: 0.8rem;
}

.hero-right strong {
  color: #171100;
  font-family: var(--font-heading);
  font-size: 4.4rem;
  font-weight: 700;
  line-height: 1.22727;
  padding-right: 0.8rem;
}

.hero-right .cta-group {
  padding: 3.8rem 0 4.8rem;
  display: flex;
}

.hero-right .hero-cta {
  min-width: 18rem;
  height: 6.4rem;
  line-height: 4.2rem;
  border-radius: 3.2rem;
}

.hero-right .hero-cta:hover {
  background: var(--primary);
}

.hero-right .watch-video {
  margin-left: 2.8rem;
  display: flex;
  align-items: center;
  border: none;
  background: transparent;
}

.hero-right span {
  margin-left: 1.4rem;
  color: #171100;
  font-family: Poppins;
  font-size: 1.8rem;
  font-weight: 600;
  line-height: 1.66;
}

.icon {
  background-color: #fff;
  padding: 1.4rem;
  box-shadow: 0 0.8rem 1.6rem 0 rgba(0, 0, 0, 0.07);
  border-radius: 50%;
  width: 4rem;
  height: 4rem;
  object-fit: cover;
}

/* Popular */
.popular {
  padding: 20rem 0;
  background-color: #ffffff;
}

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

.popular-top .info h2 {
  padding-bottom: 1.6rem;
  font-size: 38px;
}

.popular-top .desc {
  font-size: 1.8rem;
  width: 45.8rem;
}

.popular-top .controls {
  display: flex;
  align-items: center;
}

.popular-top .controls-btn {
  width: 4rem;
  height: 4rem;
  border: none;
  background: transparent;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.popular-top .controls-btn img {
  width: 0.6rem;
  height: 1.2rem;
}

.popular-top .controls-btn:nth-child(1) {
  border: 1px solid var(--primary);
  margin-right: 1.8rem;
}

.popular-top .controls-btn:nth-child(2) {
  background: var(--primary);
}

.course-list {
  margin-top: 5.5rem;
  display: flex;
  gap: 3rem;
}

.course-list .course-item {
  flex: 1;
  border-radius: 1.2rem;
  background-color: #fff;
  border: 1px solid #e2dfda;
}

.course-list .course-item:hover {
  box-shadow: 0 0.8rem 1.6rem 0 rgba(0, 0, 0, 0.07);
  border: 1px solid #fff;
}

.course-list .course-item img {
  width: 100%;
  height: 27.8rem;
  object-fit: cover;
  border-radius: 1.2rem 1.2rem 0 0;
}

.course-list .course-item .info {
  padding: 1.6rem 2.2rem 2.2rem 2.2rem;
}

.course-item .head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.course-item .head img {
  width: 1.8rem;
  height: 1.8rem;
  margin-right: 0.6rem;
  object-fit: cover;
}

.course-item .head .title {
  font-size: 1.8rem;
  padding-right: 0.8rem;
}

.info .rating {
  display: flex;
  align-items: center;
}

.info .rating span {
  color: #fea31b;
  font-family: Poppins;
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.75;
}

.course-list .info p.desc {
  margin-top: 0.6rem;
}

.course-list .foot {
  margin-top: 1.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.course-list .foot .btn {
  min-width: 11.8rem;
  padding: 1.2rem 2.4rem;
  font-size: 1.4rem;
  border: none;
}

.course-list .foot .price {
  color: #171100;
  font-family: Poppins;
  font-size: 1.8rem;
  font-style: normal;
  font-weight: 600;
  line-height: 1.66667;
}

.popular .course-item .thumb {
}

.feedback {
  background-color: #2e2100;
  padding: 9.6rem 0;
}

.feedback-list {
  display: flex;
  overflow: hidden;
}

.feedback-item {
  width: 100%;
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  /* transform: translateX(-100%);
  transition: all ease 0.3s; */
}

.feedback-item .info {
  width: 15%;
}

.feedback-item .avatar {
  width: 7.2rem;
  height: 7.2rem;
  border-radius: 50%;
  object-fit: cover;
}

.feedback-item .info .title {
  margin-top: 1.8rem;
  color: #f7f7f7;
  font-family: Sen;
  font-size: 24px;
  font-style: normal;
  font-weight: 700;
  line-height: 34px; /* 141.667% */
}

.feedback-item .info .desc {
  margin-top: 0.4rem;
  color: #bfbcb2;
  font-family: Poppins;
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 26px; /* 185.714% */
}

.feedback-item .info .dots {
  margin-top: 2.8rem;
  display: flex;
}

.feedback-item .content {
  width: 66%;
}

.feedback-item .content blockquote {
  margin-left: 3rem;
  color: #fff;
  font-family: Poppins;
  font-size: 26px;
  font-style: italic;
  font-weight: 400;
  line-height: 40px; /* 153.846% */
}

/* Features */
.feature {
  padding: 20rem 0;
}

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

.feature .images {
  width: 30%;
  display: flex;
  gap: 3rem;
}

.feature .images img {
  width: 27rem;
  height: 40.4rem;
  flex-shrink: 0;
  object-fit: cover;
  border-radius: 1.6rem;
}

.feature .images img.thumb-1 {
  margin-top: 3.4rem;
}

.feature .content {
  width: 40%;
}

.feature .content h2 {
  font-size: 3.8rem;
  padding-bottom: 1.6rem;
}

.feature .content .desc {
  padding-bottom: 1.6rem;
}

.feature .content a.btn {
  min-width: 13.7rem;
  height: 5rem;
  line-height: 2.8rem;
}

.feature .content a.btn:hover {
  background: var(--primary);
}

/* Feature 2 */
.feature-2 {
  padding-top: 0;
}

.feature-2 .content {
  width: 50%;
}

.feature-2 .images {
  width: 40%;
}

.feature-2 .images img {
  width: 100%;
}

/* Blog */
.blog {
  padding: 9.6rem 0;
  background: #fffcf4;
}

.blog .content {
  margin: 0 auto;
  margin-bottom: 5.5rem;
  width: 39%;
  text-align: center;
}

.blog .content h2.title {
  margin-bottom: 1.6rem;
  color: #130606;
  font-family: Sen;
  font-size: 3.8rem;
  font-style: normal;
  font-weight: 700;
  line-height: 1.26316;
  letter-spacing: -0.076rem;
}

.blog-list {
  display: flex;
  gap: 3rem;
}

.blog-list .blog-item {
  flex: 1;
  width: 33.33%;
  object-fit: cover;
  border-radius: 1.6rem;
  background: #fff;
  overflow: hidden;
}

.blog-list .blog-item:hover {
  background: #fff;
  box-shadow: 0px 16px 32px 0px rgba(0, 0, 0, 0.05);
}

.blog-item .thumb {
  width: 100%;
  display: block;
  object-fit: cover;
}

.blog-item .info {
  padding: 2rem 2rem 2.8rem;
}

.blog-item .info .date {
  color: #5f5b53;
  font-family: Poppins;
  font-size: 1.4rem;
  font-style: normal;
  font-weight: 400;
  line-height: 1.85714;
}

.blog-item .info .title {
  padding-bottom: 1.2rem;
  color: #171100;
  font-family: Poppins;
  font-weight: 600;
  line-height: 2.8rem;
}

.date-box {
  display: flex;
  align-items: center;
}

.blog-item a {
  min-width: 11.8rem;
  padding: 1.1rem 2.1rem;
  height: 5rem;
  line-height: 2.8rem;
}

.blog .dots-list {
  display: flex;
  justify-content: center;
  margin-top: 3.8rem;
}

/* Footer */
.footer {
  padding: 9.6rem 0 2.8rem;
  background: #2e2100;
}

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

.footer .content {
  width: 24%;
}

.footer .content .desc {
  margin: 1.8rem 0;
}

.footer .social {
  display: flex;
  gap: 1.8rem;
}

.footer .extend-list {
  width: 65%;
  display: flex;
  gap: 13rem;
}

.footer .extend-item {
  display: flex;
  flex-direction: column;
}

.extend-item .title,
strong {
  color: #fff;
  font-family: Poppins;
  font-style: normal;
  font-weight: 600;
  line-height: 1.75;
}

.footer .horizontal-line {
  margin: 1.4rem 0 2.8rem;
  width: 13rem;
  background: #59554b;
}

.footer .desc {
  margin-bottom: 1.2rem;
  color: #bfbcb2;
  font-family: Poppins;
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 1.85714;
}

.extend-item a:last-child {
  margin-bottom: 0;
}

.main-content > .horizontal-line {
  margin: 3.8rem 0 2.8rem;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.footer .copyright {
  color: #807d74;
  text-align: center;
  margin-bottom: 0;
}