:root {
  --cd-teal: #007c6f;
  --cd-teal-dark: #006b61;
  --cd-teal-soft: #d9f3ed;
  --cd-ink: #13213d;
  --cd-text: #263455;
  --cd-muted: #56617a;
  --cd-line: #dfe6ef;
  --cd-panel: #ffffff;
  --cd-bg: #ffffff;
  --cd-shadow: 0 12px 30px rgba(31, 45, 75, 0.05);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--cd-bg);
  color: var(--cd-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.cd-page {
  min-height: 100vh;
  background: #fff;
}

.cd-topbar {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  border-bottom: 1px solid var(--cd-line);
  background: #fff;
}

.cd-menu-btn,
.cd-notification,
.cd-user-menu {
  border: 0;
  background: transparent;
  color: var(--cd-ink);
}

.cd-menu-btn {
  width: 32px;
  height: 32px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  font-size: 28px;
}

.cd-topbar-actions {
  display: flex;
  align-items: center;
  gap: 17px;
}

.cd-search {
  width: min(330px, 35vw);
  height: 36px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid #cfd9e7;
  border-radius: 6px;
  color: #384866;
}

.cd-search input {
  width: 100%;
  border: 0;
  outline: 0;
  color: var(--cd-ink);
  font-size: 12px;
}

.cd-search input::placeholder {
  color: #31405d;
  opacity: 0.95;
}

.cd-notification {
  position: relative;
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  font-size: 22px;
}

.cd-notification span {
  position: absolute;
  top: 0;
  right: -1px;
  width: 15px;
  height: 15px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #ed332b;
  color: #fff;
  font-size: 9px;
  font-weight: 800;
}

.cd-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
}

.cd-user-menu {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0;
  font-size: 12px;
  font-weight: 800;
}

.cd-content {
  max-width: 1238px;
  margin: 0 auto;
  padding: 20px 32px 40px;
}

.cd-breadcrumb {
  margin-bottom: 24px;
  font-size: 12px;
  font-weight: 500;
}

.cd-breadcrumb a {
  color: #34435f;
  text-decoration: none;
}

.cd-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
  /* content: "\F285";
  font-family: "bootstrap-icons"; */
  color: #50627d;
  font-size: 13px;
}

.cd-back-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  color: var(--cd-teal);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.cd-course-hero {
  display: grid;
  grid-template-columns: 266px minmax(0, 1fr);
  gap: 34px;
  align-items: center;
  margin-bottom: 27px;
}

.cd-course-image {
  width: 266px;
  height: 180px;
  border-radius: 6px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(20, 35, 62, 0.07);
}

.cd-level {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  margin-bottom: 11px;
  padding: 4px 13px;
  border-radius: 999px;
  background: #ccefe6;
  color: var(--cd-teal);
  font-size: 11px;
  font-weight: 800;
}

.cd-course-summary h1 {
  margin: 0 0 10px;
  color: #071025;
  font-size: 25px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0;
}

.cd-course-summary p {
  max-width: 590px;
  margin: 0 0 14px;
  color: #30405d;
  font-size: 13.5px;
  line-height: 1.65;
}

.cd-rating-row,
.cd-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  color: #263654;
  font-size: 12px;
}

.cd-rating-row {
  gap: 16px;
  margin-bottom: 19px;
}

.cd-rating-row span:not(:last-child) {
  padding-right: 16px;
  border-right: 1px solid #d9e1eb;
}

.cd-rating-row i,
.cd-meta-row i {
  color: var(--cd-teal);
}

.cd-meta-row {
  gap: 28px;
}

.cd-meta-row span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.cd-tabs {
  gap: 42px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--cd-line);
  overflow-x: auto;
  flex-wrap: nowrap;
}

.cd-tabs .nav-link {
  position: relative;
  padding: 13px 0 14px;
  color: #283653;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.cd-tabs .nav-link.active {
  color: var(--cd-teal);
}

.cd-tabs .nav-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--cd-teal);
}

.cd-overview {
  padding: 0 14px 13px;
}

.cd-overview h2,
.cd-curriculum-card h2,
.cd-side-card h2 {
  margin: 0;
  color: #071025;
  font-size: 14px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: 0;
}

.cd-overview > p {
  max-width: 760px;
  margin: 10px 0 25px;
  color: #263654;
  font-size: 12.5px;
  line-height: 1.75;
}

.cd-learning-list {
  margin-top: 10px;
}

.cd-learning-list p {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0 0 10px;
  color: #263654;
  font-size: 12.5px;
  line-height: 1.35;
}

.cd-learning-list i {
  color: var(--cd-teal);
  font-size: 17px;
  line-height: 1;
}

.cd-curriculum-card,
.cd-side-card {
  border: 1px solid var(--cd-line);
  border-radius: 8px;
  background: var(--cd-panel);
  box-shadow: var(--cd-shadow);
}

.cd-curriculum-card {
  padding: 16px 17px 15px;
}

.cd-card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
}

.cd-card-heading p {
  margin: 8px 0 0;
  color: #42506d;
  font-size: 12px;
}

.cd-btn-small {
  min-width: 131px;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #cfd9e7;
  border-radius: 5px;
  color: #14213b;
  font-size: 11.5px;
  font-weight: 800;
}

.cd-btn-small:hover {
  border-color: var(--cd-teal);
  color: var(--cd-teal);
}

.cd-module {
  border: 1px solid #d7e0ea;
  border-radius: 5px;
  overflow: hidden;
}

.cd-module + .cd-module {
  margin-top: 6px;
}

.cd-module-head,
.cd-lesson {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: #14213b;
  font-size: 12px;
}

.cd-module-head {
  min-height: 38px;
  padding: 0 13px;
  font-weight: 800;
  background: #f8fafc;
}

.cd-module-head span:first-child,
.cd-lesson span:first-child {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.cd-module-head span:last-child,
.cd-lesson span:last-child {
  color: #34435f;
  font-weight: 500;
  white-space: nowrap;
}

.cd-lesson {
  min-height: 28px;
  padding: 0 13px 0 34px;
  background: #fff;
}

.cd-lesson i {
  color: #263654;
}

.cd-full-link {
  width: fit-content;
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 13px auto 0;
  color: var(--cd-teal);
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
}

.cd-aside-stack {
  display: grid;
  gap: 16px;
}

.cd-side-card {
  padding: 23px 21px 20px;
}

.cd-benefits {
  display: grid;
  gap: 14px;
  margin: 24px 0 19px;
  padding: 0 0 18px;
  border-bottom: 1px solid var(--cd-line);
  list-style: none;
  color: #263654;
  font-size: 12px;
}

.cd-benefits li {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cd-benefits i {
  color: var(--cd-teal);
  font-size: 15px;
}

.cd-price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  color: #071025;
  font-size: 13px;
  font-weight: 800;
}

.cd-price-row strong {
  font-size: 17px;
}

.cd-primary-btn,
.cd-outline-btn {
  width: 100%;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 800;
}

.cd-primary-btn {
  border-color: var(--cd-teal);
  background: var(--cd-teal);
  color: #fff;
  box-shadow: inset 0 -10px 18px rgba(0, 64, 58, 0.11);
}

.cd-primary-btn:hover,
.cd-primary-btn:focus {
  border-color: var(--cd-teal-dark);
  background: var(--cd-teal-dark);
  color: #fff;
}

.cd-outline-btn {
  gap: 9px;
  margin-top: 13px;
  border: 1px solid var(--cd-teal);
  color: var(--cd-teal);
  background: #fff;
}

.cd-outline-btn:hover,
.cd-outline-btn:focus {
  border-color: var(--cd-teal);
  background: #edf8f6;
  color: var(--cd-teal-dark);
}

.cd-instructor {
  display: flex;
  align-items: center;
  gap: 15px;
  margin: 18px 0 12px;
}

.cd-instructor img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
}

.cd-instructor h3 {
  margin: 0 0 6px;
  color: #071025;
  font-size: 14px;
  font-weight: 800;
}

.cd-instructor p,
.cd-share-copy {
  margin: 0;
  color: #263654;
  font-size: 12px;
}

.cd-instructor-bio {
  margin: 0 0 17px;
  color: #33425d;
  font-size: 12.5px;
  line-height: 1.65;
}

.cd-profile-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cd-teal);
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
}

.cd-share-copy {
  margin-top: 12px;
}

.cd-socials {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 17px;
}

.cd-socials a {
  width: 32px;
  height: 32px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--cd-teal);
  border-radius: 50%;
  color: var(--cd-teal);
  text-decoration: none;
}

.cd-socials a:hover {
  background: var(--cd-teal);
  color: #fff;
}

@media (max-width: 1199.98px) {
  .cd-content {
    max-width: 980px;
  }

  .cd-aside-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
}

@media (max-width: 991.98px) {
  .cd-topbar {
    align-items: flex-start;
    padding: 14px 20px;
  }

  .cd-topbar-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .cd-search {
    order: 5;
    width: min(100%, 520px);
  }

  .cd-course-hero {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .cd-course-image {
    width: min(100%, 420px);
    height: auto;
    aspect-ratio: 266 / 180;
  }

  .cd-aside-stack {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767.98px) {
  .cd-content {
    padding: 18px 20px 32px;
  }

  .cd-topbar-actions {
    width: 100%;
  }

  .cd-search {
    width: 100%;
  }

  .cd-user-menu {
    font-size: 0;
  }

  .cd-user-menu i {
    font-size: 14px;
  }

  .cd-rating-row,
  .cd-meta-row {
    gap: 10px 14px;
  }

  .cd-rating-row span:not(:last-child) {
    border-right: 0;
    padding-right: 0;
  }

  .cd-tabs {
    gap: 28px;
  }

  .cd-overview {
    padding-left: 0;
    padding-right: 0;
  }

  .cd-card-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .cd-btn-small {
    width: 100%;
  }

  .cd-module-head,
  .cd-lesson {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .cd-lesson {
    padding-left: 24px;
  }
}