.ea-course-landing {
  --ea-navy: #071b33;
  --ea-teal: #006f7b;
  --ea-orange: #ff8500;
  --ea-muted: #647189;
  --ea-line: #dde6ef;
  --ea-shadow: 0 18px 44px rgba(7, 27, 51, .10);
  width: min(100% - 48px, 1440px);
  margin: 0 auto;
  padding: 28px 0 54px;
  color: var(--ea-navy);
  scroll-behavior: smooth;
}

.ea-course-landing * {
  box-sizing: border-box;
}

.ea-course-crumbs,
.ea-course-meta-row,
.ea-course-actions,
.ea-course-benefits,
.ea-course-tabs,
.ea-course-subject-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.ea-course-crumbs {
  gap: 10px;
  margin-bottom: 24px;
  color: #66738a;
  font-size: 13px;
  font-weight: 700;
}

.ea-course-crumbs a {
  color: #526078;
  text-decoration: none;
}

.ea-course-hero {
  position: relative;
  padding: 4px 0 0;
  overflow: hidden;
}

.ea-course-hero:before {
  content: "f(x)  x²  a²+b²=c²  ∑";
  position: absolute;
  inset: 30px auto auto 34%;
  width: 360px;
  color: rgba(7, 27, 51, .08);
  font-size: 40px;
  line-height: 1.9;
  pointer-events: none;
}

.ea-course-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(440px, 1fr);
  gap: 54px;
  align-items: center;
}

.ea-course-hero-copy {
  min-width: 0;
}

.ea-course-pill {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 13px;
  border-radius: 999px;
  color: #075760;
  background: #dff4f6;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.ea-course-hero h1 {
  margin: 16px 0 10px;
  color: var(--ea-navy);
  font-size: clamp(42px, 5vw, 64px);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: 0;
}

.ea-course-lead {
  max-width: 620px;
  margin: 0;
  color: #3f4d65;
  font-size: 18px;
  line-height: 1.65;
}

.ea-course-meta-row {
  gap: 18px 24px;
  margin: 28px 0 22px;
}

.ea-course-meta-row strong {
  color: var(--ea-navy);
  font-size: 30px;
  font-weight: 900;
}

.ea-course-meta-row span {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  color: #15243b;
  font-weight: 800;
}

.ea-course-meta-row i,
.ea-course-info i,
.ea-course-benefit i {
  color: var(--ea-teal);
}

.ea-course-actions {
  gap: 14px;
}

.ea-course-btn {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-weight: 900;
  text-decoration: none !important;
  cursor: pointer;
}

.ea-course-btn-primary {
  color: #fff !important;
  background: var(--ea-orange);
  box-shadow: 0 16px 30px rgba(255, 133, 0, .24);
}

.ea-course-btn-primary:hover {
  color: #fff !important;
  background: #f07800;
}

.ea-course-btn-primary:disabled {
  color: #7b8494 !important;
  background: #e8edf3;
  box-shadow: none;
  cursor: not-allowed;
}

.ea-course-btn-secondary {
  color: var(--ea-teal) !important;
  background: #fff;
  border-color: #a9c7ce;
}

.ea-course-cover {
  position: relative;
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 16px;
  background: var(--ea-navy);
  box-shadow: 0 22px 46px rgba(7, 27, 51, .18);
}

.ea-course-cover img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.ea-course-benefits {
  width: min(100% - 92px, 1210px);
  margin: 28px auto 0;
  justify-content: space-around;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--ea-line);
  border-radius: 10px;
  background: #fff;
  box-shadow: var(--ea-shadow);
}

.ea-course-benefit {
  flex: 1 1 180px;
  min-height: 58px;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-right: 1px solid var(--ea-line);
  color: #17243b;
  font-weight: 800;
}

.ea-course-benefit:last-child {
  border-right: 0;
}

.ea-course-benefit i {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #eef6f8;
}

.ea-course-tabs {
  position: sticky;
  top: 0;
  z-index: 5;
  justify-content: center;
  gap: 54px;
  margin: 30px calc(50% - 50vw) 0;
  padding: 0 24px;
  border-bottom: 1px solid var(--ea-line);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(12px);
}

.ea-course-tabs a {
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  color: #40506a;
  border-bottom: 3px solid transparent;
  font-weight: 800;
  text-decoration: none;
}

.ea-course-tabs a:hover,
.ea-course-tabs a:focus {
  color: var(--ea-teal);
  border-color: var(--ea-teal);
}

.ea-course-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 44px;
  margin-top: 30px;
  align-items: start;
}

.ea-course-primary {
  min-width: 0;
}

.ea-course-section {
  scroll-margin-top: 86px;
  margin-bottom: 36px;
}

.ea-course-section-head {
  margin-bottom: 22px;
  text-align: center;
}

.ea-course-section-head h2 {
  margin: 0 0 5px;
  color: var(--ea-navy);
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 0;
}

.ea-course-section-head p {
  margin: 0;
  color: var(--ea-muted);
}

.ea-course-path {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  position: relative;
}

.ea-course-path:before {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  top: 39px;
  height: 3px;
  background: var(--ea-teal);
}

.ea-course-step {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 8px;
  text-align: center;
}

.ea-course-step-icon {
  position: relative;
  z-index: 1;
  width: 78px;
  height: 78px;
  display: grid;
  place-items: center;
  border: 5px solid #fff;
  border-radius: 50%;
  color: #fff;
  background: var(--ea-teal);
  box-shadow: 0 12px 25px rgba(0, 111, 123, .18);
  font-size: 24px;
}

.ea-course-step.is-complete .ea-course-step-icon {
  background: #188f69;
}

.ea-course-step.is-current .ea-course-step-icon {
  background: var(--ea-orange);
}

.ea-course-step h3 {
  margin: 0;
  color: var(--ea-navy);
  font-size: 16px;
  font-weight: 900;
}

.ea-course-step p,
.ea-course-step span {
  margin: 0;
  color: var(--ea-muted);
  font-size: 13px;
}

.ea-course-step span {
  color: var(--ea-teal);
  font-weight: 900;
}

.ea-course-subjects {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-bottom: 26px;
}

.ea-course-subject-card,
.ea-course-info,
.ea-course-accordion {
  border: 1px solid var(--ea-line);
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--ea-shadow);
}

.ea-course-subject-card {
  min-width: 0;
  padding: 22px;
}

.ea-course-subject-card header {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.ea-course-subject-icon {
  flex: 0 0 58px;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--ea-teal);
  font-size: 24px;
}

.ea-course-subject-card h3 {
  margin: 0 0 6px;
  color: var(--ea-navy);
  font-size: 24px;
  font-weight: 900;
}

.ea-course-subject-card p {
  margin: 0;
  color: var(--ea-muted);
  line-height: 1.45;
}

.ea-course-subject-progress {
  height: 8px;
  margin: 18px 0 14px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8edf3;
}

.ea-course-subject-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--ea-teal), var(--ea-orange));
}

.ea-course-subject-stats {
  gap: 8px;
  margin: 16px 0;
}

.ea-course-subject-stats span {
  padding: 7px 10px;
  border-radius: 8px;
  color: #4a5971;
  background: #f2f5f8;
  font-size: 12px;
  font-weight: 800;
}

.ea-course-subject-card > a {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--ea-teal);
  font-weight: 900;
  text-decoration: none;
}

.ea-course-last-lesson {
  margin: -4px 0 12px !important;
  color: #526078 !important;
  font-size: 13px;
  font-weight: 800;
}

.ea-course-last-lesson a {
  color: var(--ea-teal);
  text-decoration: none;
}

.ea-course-program {
  display: grid;
  gap: 12px;
}

.ea-course-accordion {
  overflow: hidden;
}

.ea-course-accordion summary {
  min-height: 58px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 0 18px;
  cursor: pointer;
  color: var(--ea-navy);
  font-weight: 900;
}

.ea-course-accordion summary small {
  color: var(--ea-muted);
  font-weight: 800;
}

.ea-course-lessons {
  display: grid;
  border-top: 1px solid var(--ea-line);
}

.ea-course-lessons a {
  min-height: 48px;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 0 18px;
  color: #27364d;
  border-bottom: 1px solid #edf2f6;
  text-decoration: none;
}

.ea-course-lessons a:last-child {
  border-bottom: 0;
}

.ea-course-lessons a.is-locked {
  color: #7b8494;
  background: #f7f9fb;
  cursor: not-allowed;
}

.ea-course-lessons a.is-locked i,
.ea-course-lessons a.is-locked em {
  color: #9aa6b6;
}

.ea-course-lessons em {
  font-style: normal;
  color: var(--ea-teal);
  font-size: 12px;
  font-weight: 900;
}

.ea-course-info {
  position: sticky;
  top: 86px;
  padding: 24px;
}

.ea-course-info h2 {
  margin: 0 0 18px;
  color: var(--ea-navy);
  font-size: 23px;
  font-weight: 900;
}

.ea-course-info-list {
  display: grid;
  margin-bottom: 22px;
}

.ea-course-info-list div {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 3px 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ea-line);
}

.ea-course-info-list i {
  grid-row: span 2;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: #eef6f8;
}

.ea-course-info-list strong {
  color: var(--ea-teal);
  font-weight: 900;
}

.ea-course-info-list span {
  color: var(--ea-muted);
  font-size: 13px;
}

.ea-course-info .ea-course-btn {
  width: 100%;
}

.ea-course-auth-modal .modal-dialog {
  width: min(100% - 24px, 560px);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.ea-course-auth-modal .modal-content {
  border: 0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(7, 27, 51, .22);
}

.ea-course-auth-body {
  position: relative;
  padding: 18px 16px 16px;
  background: #f6f9fc;
}

.ea-course-auth-close {
  position: absolute;
  top: 7px;
  right: 9px;
  z-index: 3;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #6b7280;
  font-size: 28px;
  line-height: 1;
}

.ea-course-auth-close:hover,
.ea-course-auth-close:focus {
  color: #111827;
  background: rgba(15, 23, 42, .06);
}

.ea-course-auth-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 24px 12px 0;
}

.ea-course-auth-tab {
  min-height: 38px;
  border: 1px solid #cdd9e6;
  border-radius: 8px;
  background: #fff;
  color: var(--ea-navy, #071b33);
  font-size: 14px;
  font-weight: 900;
}

.ea-course-auth-tab.is-active {
  border-color: var(--ea-teal, #006f7b);
  background: var(--ea-teal, #006f7b);
  color: #fff;
}

.ea-course-auth-form .ea-auth-card {
  max-width: none;
  border-radius: 10px !important;
  box-shadow: none;
}

.ea-course-auth-form .ea-auth-hero {
  display: none;
}

.ea-course-auth-form .ea-auth-body {
  padding: 15px !important;
}

.ea-course-auth-form .ea-form-group {
  margin-bottom: 12px;
}

.ea-course-auth-form .ea-field-label {
  margin-bottom: 6px;
  font-size: 12px;
}

.ea-course-auth-form .ea-input-group .form-control,
.ea-course-auth-form .ea-input-group .input-group-text {
  min-height: 46px;
}

.ea-course-auth-form .ea-auth-options {
  margin: 10px 0 12px;
  font-size: 13px;
}

.ea-course-auth-form .ea-submit-wrap {
  margin-bottom: 12px;
}

.ea-course-auth-form .ea-main-btn {
  min-height: 46px;
  font-size: 14px;
}

.ea-course-auth-form .ea-hr-heading {
  margin-top: 12px !important;
  margin-bottom: 10px !important;
}

.ea-course-auth-form .ea-social-login {
  gap: 8px;
}

.ea-course-auth-form .ea-auth-switch {
  margin-top: 12px;
  padding: 12px;
  font-size: 13px;
}

.ea-course-auth-reset {
  padding: 16px;
  border-radius: 10px;
  background: #fff;
}

.ea-course-auth-back {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--ea-teal, #006f7b);
  font-weight: 800;
}

@media (max-width: 575px) {
  .ea-course-auth-modal .modal-dialog {
    width: min(100% - 14px, 560px);
    margin: 7px auto;
  }

  .ea-course-auth-body {
    padding: 14px 10px 10px;
  }

  .ea-course-auth-tabs {
    gap: 6px;
    margin-right: 32px;
  }

  .ea-course-auth-tab {
    min-height: 36px;
    padding: 0 8px;
    font-size: 13px;
  }

  .ea-course-auth-form .ea-auth-body {
    padding: 12px !important;
  }

  .ea-course-auth-form .ea-input-group .form-control,
  .ea-course-auth-form .ea-input-group .input-group-text {
    min-height: 42px;
  }
}

@media (max-width: 1100px) {
  .ea-course-landing {
    width: min(100% - 28px, 920px);
  }

  .ea-course-hero-grid,
  .ea-course-main {
    grid-template-columns: 1fr;
  }

  .ea-course-cover {
    order: -1;
  }

  .ea-course-info {
    position: static;
  }

  .ea-course-tabs {
    justify-content: flex-start;
    gap: 22px;
    overflow-x: auto;
  }
}

@media (max-width: 720px) {
  .ea-course-landing {
    width: min(100% - 18px, 520px);
    padding-top: 18px;
  }

  .ea-course-hero h1 {
    font-size: 38px;
  }

  .ea-course-lead {
    font-size: 16px;
  }

  .ea-course-meta-row strong {
    width: 100%;
    font-size: 28px;
  }

  .ea-course-actions,
  .ea-course-btn {
    width: 100%;
  }

  .ea-course-benefits {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ea-course-benefit {
    justify-content: flex-start;
    border-right: 0;
    border-bottom: 1px solid var(--ea-line);
  }

  .ea-course-path {
    grid-template-columns: 1fr;
  }

  .ea-course-path:before {
    left: 38px;
    right: auto;
    top: 20px;
    bottom: 20px;
    width: 3px;
    height: auto;
  }

  .ea-course-step {
    grid-template-columns: 78px minmax(0, 1fr);
    justify-items: start;
    text-align: left;
  }

  .ea-course-step h3,
  .ea-course-step p,
  .ea-course-step span {
    grid-column: 2;
  }

  .ea-course-step-icon {
    grid-row: span 3;
  }

  .ea-course-subjects {
    grid-template-columns: 1fr;
  }

  .ea-course-subject-card header {
    flex-direction: column;
  }

  .ea-course-lessons a {
    grid-template-columns: 22px minmax(0, 1fr);
    padding: 10px 14px;
  }

  .ea-course-lessons em {
    grid-column: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ea-course-landing {
    scroll-behavior: auto;
  }
}