:root {
  --ink: #18201d;
  --muted: #65706b;
  --paper: #f7f5ef;
  --surface: #ffffff;
  --line: #dedfd9;
  --brand: #146b54;
  --brand-dark: #0a4b3a;
  --accent: #e9b949;
  --shadow: 0 16px 40px rgba(29, 50, 42, 0.09);
}

html { font-size: 16px; min-height: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  display: flex;
  flex-direction: column;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  min-height: 100vh;
  margin: 0;
}

a { color: var(--brand-dark); }

a:focus-visible,
button:focus-visible {
  border-radius: 0.25rem;
  outline: 3px solid rgba(20, 107, 84, 0.32);
  outline-offset: 3px;
}

.app-container { max-width: 1180px; }

header {
  background: rgba(247, 245, 239, 0.94);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}

.navbar { min-height: 76px; padding: 0.75rem 0; }

.navbar-brand {
  align-items: center;
  color: var(--ink);
  display: inline-flex;
  font-size: 1.05rem;
  font-weight: 750;
  gap: 0.65rem;
  letter-spacing: -0.02em;
}

.navbar-brand:hover,
.navbar-brand:focus { color: var(--brand-dark); }

.brand-mark {
  align-items: center;
  background: var(--brand);
  border-radius: 0.7rem;
  color: #fff;
  display: inline-flex;
  font-family: Georgia, serif;
  font-size: 1.05rem;
  height: 2.2rem;
  justify-content: center;
  width: 2.2rem;
}

.navbar-toggler { border-color: var(--line); }

.nav-link {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 650;
  margin-left: 1rem;
}

.nav-link:hover,
.nav-link:focus { color: var(--brand); }

main { flex: 1; padding: 4.5rem 0 6rem; }
body > .container { flex: 1; }

.eyebrow {
  color: var(--brand);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  margin-bottom: 0.85rem;
  text-transform: uppercase;
}

.catalog-heading { max-width: 750px; }

.catalog-heading h1,
.course-detail__summary h1,
.home-placeholder h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.6rem, 6vw, 4.75rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.98;
  margin: 0;
}

.catalog-intro {
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.7;
  margin: 1.5rem 0 0;
  max-width: 640px;
}

.catalog-filters {
  align-items: end;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr) minmax(12rem, 0.45fr) auto;
  margin-top: 2.5rem;
  padding: 1.25rem;
}

.catalog-filters__field {
  display: grid;
  gap: 0.45rem;
}

.catalog-filters__field label {
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 750;
}

.catalog-filters__field input,
.catalog-filters__field select {
  background: var(--surface);
  border: 1px solid #b9c2bd;
  border-radius: 0.65rem;
  color: var(--ink);
  font: inherit;
  min-height: 2.85rem;
  padding: 0.65rem 0.8rem;
  width: 100%;
}

.catalog-filters__field input:focus-visible,
.catalog-filters__field select:focus-visible {
  border-color: var(--brand);
  outline: 3px solid rgba(20, 107, 84, 0.2);
  outline-offset: 2px;
}

.catalog-filters__submit { min-height: 2.85rem; }

.catalog-filters__clear {
  font-size: 0.88rem;
  font-weight: 700;
  grid-column: 1 / -1;
  justify-self: start;
}

.catalog-count {
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
  margin: 2rem 0 1.5rem;
  padding-bottom: 0.8rem;
  text-transform: uppercase;
}

.course-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.course-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.course-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }

.course-card__image-link {
  background: #dfe8e3;
  display: block;
  overflow: hidden;
}

.course-card__image {
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
  transition: transform 260ms ease;
  width: 100%;
}

.course-card:hover .course-card__image { transform: scale(1.025); }

.course-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.4rem;
}

.course-card__instructor {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0 0 0.65rem;
  text-transform: uppercase;
}

.course-card__title {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.45rem;
  line-height: 1.15;
  margin: 0;
}

.course-card__title a { color: var(--ink); text-decoration: none; }
.course-card__title a:hover { color: var(--brand); }

.course-card__description {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0.9rem 0 1.5rem;
}

.course-card__footer {
  align-items: center;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 1rem;
}

.course-card__price { font-size: 0.92rem; }

.course-card__link,
.back-link {
  color: var(--brand-dark);
  font-size: 0.88rem;
  font-weight: 750;
  text-decoration: none;
}

.course-card__link:hover,
.back-link:hover { color: var(--brand); }

.empty-state {
  background: var(--surface);
  border: 1px dashed #bcc5c0;
  border-radius: 1.1rem;
  margin-top: 3rem;
  padding: 5rem 2rem;
  text-align: center;
}

.empty-state__icon { color: var(--accent); display: block; font-size: 2rem; margin-bottom: 1rem; }
.empty-state h2 { font-family: Georgia, "Times New Roman", serif; font-size: 2rem; }
.empty-state p { color: var(--muted); margin: 0; }

.empty-state__action { margin-top: 1.5rem; }

.empty-state--filtered { margin-top: 0; }

.error-page {
  align-items: center;
  display: grid;
  gap: clamp(2rem, 8vw, 7rem);
  grid-template-columns: minmax(12rem, 0.65fr) minmax(0, 1fr);
  min-height: 55vh;
}

.error-page__code {
  color: rgba(20, 107, 84, 0.12);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(8rem, 24vw, 18rem);
  font-weight: 700;
  letter-spacing: -0.09em;
  line-height: 0.75;
  user-select: none;
}

.error-page__content { max-width: 39rem; }

.error-page h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1;
  margin: 0;
}

.error-page__description {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
  margin: 1.5rem 0 0;
}

.error-page__actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.error-page__secondary-action {
  color: var(--brand-dark);
  font-weight: 750;
  padding: 0.75rem 0;
  text-underline-offset: 0.22em;
}

.error-page__secondary-action:hover { color: var(--brand); }

.course-access-badge {
  background: #e7efe9;
  border: 1px solid #cddbd2;
  border-radius: 999px;
  color: var(--brand-dark);
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1.2;
  padding: 0.38rem 0.65rem;
}

.course-access-badge--purchased {
  background: #fff4ce;
  border-color: #ead58f;
  color: #725100;
}

.breadcrumb-nav {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 0.85rem;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

.breadcrumb-nav a { font-weight: 700; text-decoration: none; }

.course-detail {
  display: grid;
  gap: 3.25rem;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
}

.course-detail__cover img {
  border-radius: 1.25rem;
  box-shadow: var(--shadow);
  display: block;
  width: 100%;
}

.course-detail__video {
  aspect-ratio: 16 / 9;
  border-radius: 1.25rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.course-detail__video iframe {
  border: 0;
  display: block;
  height: 100%;
  width: 100%;
}

.course-detail__summary { align-self: center; }
.course-detail__summary h1 { font-size: clamp(2.6rem, 5vw, 4.3rem); }

.course-detail__lead {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin: 1.4rem 0;
}

.course-detail__instructor { font-size: 0.95rem; }

.course-detail__price-panel {
  align-items: center;
  background: #e7efe9;
  border-radius: 0.8rem;
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  padding: 1rem 1.2rem;
}

.course-detail__price-panel span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.course-detail__price-panel strong { color: var(--brand-dark); font-size: 1.25rem; }

.course-detail__facts {
  border-top: 1px solid var(--line);
  grid-column: 1 / -1;
  padding-top: 2.5rem;
}

.course-facts-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
}

.course-fact {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  min-width: 0;
  padding: 1.1rem 1.2rem;
}

.course-fact dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.course-fact dd {
  color: var(--ink);
  font-size: 1rem;
  font-weight: 750;
  line-height: 1.4;
  margin: 0.45rem 0 0;
}

.course-detail__technologies {
  grid-column: 1 / -1;
  max-width: 900px;
}

.course-detail__technologies h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.2rem;
  margin: 0 0 1rem;
}

.technology-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.technology-list li {
  background: #e7efe9;
  border: 1px solid #cddbd2;
  border-radius: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 10rem;
  padding: 0.75rem 1rem;
}

.technology-list strong { color: var(--brand-dark); font-size: 0.9rem; }
.technology-list span { color: var(--muted); font-size: 0.78rem; }

.course-detail__description {
  border-top: 1px solid var(--line);
  grid-column: 1 / -1;
  max-width: 760px;
  padding-top: 2.5rem;
}

.course-detail__description h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.2rem;
  margin: 0 0 1rem;
}

.course-detail__description > p:last-child {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.8;
  white-space: pre-line;
}

/* Public course curriculum */
.course-detail__curriculum {
  border-top: 1px solid var(--line);
  grid-column: 1 / -1;
  padding-top: 2.5rem;
}

.curriculum-heading {
  align-items: end;
  display: flex;
  gap: 2rem;
  justify-content: space-between;
  margin-bottom: 1.35rem;
}

.curriculum-heading h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.2rem;
  margin: 0;
}

.curriculum-heading__count {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  white-space: nowrap;
}

.curriculum-sections {
  border: 1px solid var(--line);
  border-radius: 1rem;
  overflow: hidden;
}

.curriculum-section + .curriculum-section { border-top: 1px solid var(--line); }

.curriculum-section summary {
  align-items: center;
  background: var(--surface);
  cursor: pointer;
  display: grid;
  gap: 0.3rem 1rem;
  grid-template-columns: minmax(0, 1fr) auto;
  list-style: none;
  padding: 1.25rem 4rem 1.25rem 1.4rem;
  position: relative;
}

.curriculum-section summary::-webkit-details-marker { display: none; }

.curriculum-section summary::after {
  color: var(--brand-dark);
  content: "+";
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1;
  position: absolute;
  right: 1.4rem;
  top: 50%;
  transform: translateY(-50%);
}

.curriculum-section[open] summary::after { content: "−"; }

.curriculum-section summary:focus-visible {
  outline: 3px solid rgba(37, 92, 67, 0.28);
  outline-offset: -3px;
}

.curriculum-section__position {
  color: var(--brand);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.curriculum-section__title {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.25rem;
  font-weight: 700;
}

.curriculum-section__count {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  grid-column: 2;
  grid-row: 1 / 3;
}

.curriculum-section__content {
  background: #fbfcfb;
  border-top: 1px solid var(--line);
  padding: 1.25rem 1.4rem 1.4rem;
}

.curriculum-section__description {
  color: var(--muted);
  line-height: 1.65;
  margin: 0 0 1.15rem;
  max-width: 760px;
}

.curriculum-lessons {
  display: grid;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.curriculum-lessons li {
  align-items: center;
  border-top: 1px solid #e6ebe8;
  display: flex;
  gap: 0.9rem;
  min-height: 3.25rem;
  padding: 0.65rem 0;
}

.curriculum-lessons li:first-child { border-top: 0; }

.curriculum-lessons li.curriculum-lesson--preview {
  background: #f2f8f4;
  margin-inline: -0.65rem;
  padding-inline: 0.65rem;
}

.curriculum-lesson__number {
  align-items: center;
  background: #e7efe9;
  border-radius: 999px;
  color: var(--brand-dark);
  display: inline-flex;
  flex: 0 0 1.8rem;
  font-size: 0.78rem;
  font-weight: 800;
  height: 1.8rem;
  justify-content: center;
}

.curriculum-lesson__main {
  align-items: center;
  display: inline-flex;
  flex: 1;
  gap: 0.6rem;
  min-width: 0;
}

.curriculum-lesson__icon {
  color: var(--brand);
  flex: 0 0 1.1rem;
  font-size: 0.75rem;
  text-align: center;
}

.curriculum-lesson__link {
  color: var(--brand-dark);
  font-weight: 750;
  text-decoration: none;
}

.curriculum-lesson__link:hover { color: var(--brand); text-decoration: underline; }

.curriculum-lesson__status {
  color: var(--muted);
  flex: 0 0 auto;
  font-size: 0.75rem;
  font-weight: 700;
}

.curriculum-lesson__status--preview {
  background: #dceee3;
  border-radius: 999px;
  color: var(--brand-dark);
  padding: 0.3rem 0.65rem;
}

.curriculum-empty,
.curriculum-section__empty {
  color: var(--muted);
  font-style: italic;
  margin: 0;
}

.curriculum-empty {
  background: var(--surface);
  border: 1px dashed #bcc5c0;
  border-radius: 1rem;
  padding: 1.5rem;
}

/* Course learning outcomes and practical result */
.course-detail__outcomes {
  display: grid;
  gap: 1.25rem;
  grid-column: 1 / -1;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
}

.course-outcomes-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.75rem;
}

.course-outcomes-card--practical {
  background: #e7efe9;
  border-color: #cddbd2;
}

.course-outcomes-card h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.75rem;
  margin: 0 0 1.25rem;
}

.course-outcomes-card--practical > p:last-child {
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
  white-space: pre-line;
}

.course-outcome-list {
  display: grid;
  gap: 0.9rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.course-outcome-list li {
  color: var(--muted);
  line-height: 1.6;
  padding-left: 1.65rem;
  position: relative;
}

.course-outcome-list li::before {
  color: var(--brand);
  content: "✓";
  font-weight: 800;
  left: 0;
  position: absolute;
}

.course-detail__fit {
  display: grid;
  gap: 1.25rem;
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.course-fit-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.75rem;
}

.course-fit-card--audience {
  background: #e7efe9;
  border-color: #cddbd2;
}

.course-fit-card h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.75rem;
  margin: 0 0 1.25rem;
}

.course-fit-list {
  display: grid;
  gap: 0.9rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.course-fit-list li {
  color: var(--muted);
  line-height: 1.6;
  padding-left: 1.65rem;
  position: relative;
}

.course-fit-list li::before {
  color: var(--brand);
  content: "✓";
  font-weight: 800;
  left: 0;
  position: absolute;
}

.back-link { display: inline-block; margin-top: 3rem; }

/* Public lesson player */
.lesson-player { max-width: 960px; }

.lesson-player__heading { margin-bottom: 2rem; max-width: 760px; }

.lesson-player__heading h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.5rem, 6vw, 4.4rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0;
}

.lesson-player__heading > p:last-child {
  color: var(--muted);
  font-size: 1rem;
  margin: 1.1rem 0 0;
}

.lesson-player__video {
  aspect-ratio: 16 / 9;
  background: #0c1210;
  border-radius: 1.25rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.lesson-player__video iframe {
  border: 0;
  display: block;
  height: 100%;
  width: 100%;
}

.purchase-state__action {
  align-self: flex-start;
  font-size: 1rem;
  font-weight: 800;
  margin-top: 0.75rem;
}

.purchase-state__action:hover { text-decoration: none; }

.home-placeholder {
  align-items: center;
  display: grid;
  gap: clamp(2rem, 5vw, 5rem);
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.7fr);
  min-height: 55vh;
}

.home-placeholder__copy { min-width: 0; }

.home-placeholder__portrait {
  aspect-ratio: 1;
  border: 4px solid var(--surface);
  border-radius: 50%;
  box-shadow: var(--shadow);
  display: block;
  height: auto;
  justify-self: center;
  max-width: 360px;
  object-fit: cover;
  width: 100%;
}

.home-placeholder p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1.7;
  margin: 1.5rem 0 2rem;
  max-width: 620px;
}

.primary-link {
  background: var(--brand);
  border-radius: 0.65rem;
  color: #fff;
  display: inline-flex;
  font-weight: 750;
  gap: 0.6rem;
  padding: 0.9rem 1.2rem;
  text-decoration: none;
}

.primary-link:hover { background: var(--brand-dark); color: #fff; }

/* Landing page */
.home-landing {
  display: grid;
  gap: clamp(5rem, 10vw, 8rem);
}

.home-latest { scroll-margin-top: 6rem; }

.home-section-heading {
  align-items: end;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.25fr) minmax(17rem, 0.75fr);
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
}

.home-section-heading .eyebrow { margin-bottom: 0.65rem; }

.home-section-heading h2,
.home-subscriptions__heading h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.25rem, 4.5vw, 3.8rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0;
}

.home-section-heading > p {
  color: var(--muted);
  line-height: 1.7;
  margin: 0 0 0.15rem;
  max-width: 31rem;
}

.home-catalog-action {
  display: flex;
  justify-content: center;
  margin-top: 2.5rem;
}

.home-subscriptions {
  background: var(--brand-dark);
  border-radius: 1.5rem;
  color: #fff;
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: minmax(0, 0.8fr) minmax(31rem, 1.2fr);
  overflow: hidden;
  padding: clamp(2rem, 5vw, 4.5rem);
  position: relative;
}

.home-subscriptions::before {
  background: var(--accent);
  content: "";
  height: 0.35rem;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
}

.home-subscriptions__heading { align-self: center; }
.home-subscriptions__heading .eyebrow { color: var(--accent); }

.home-subscriptions__heading > p:last-child {
  color: #c8d9d3;
  line-height: 1.75;
  margin: 1.35rem 0 0;
  max-width: 34rem;
}

.home-subscriptions__grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.home-subscription-card {
  background: #fff;
  border: 2px solid transparent;
  border-radius: 1rem;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.5rem;
}

.home-subscription-card--featured {
  background: #edf4ef;
  border-color: var(--accent);
}

.home-subscription-card__topline {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 1.75rem;
}

.home-subscription-card__topline p {
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  margin: 0;
  text-transform: uppercase;
}

.home-subscription-card__topline span {
  background: var(--accent);
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.67rem;
  font-weight: 850;
  padding: 0.3rem 0.55rem;
  text-transform: uppercase;
}

.home-subscription-card__price {
  align-items: baseline;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.home-subscription-card__price strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.4rem, 4vw, 3.15rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1;
}

.home-subscription-card__price span,
.home-subscription-card__renewal {
  color: var(--muted);
  font-size: 0.78rem;
}

.home-subscription-card__renewal {
  border-bottom: 1px solid var(--line);
  font-weight: 700;
  margin: 0.65rem 0 1.1rem;
  padding-bottom: 1rem;
}

.home-subscription-card__access {
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 1.5rem;
}

.home-subscription-card__link {
  color: var(--brand-dark);
  font-size: 0.88rem;
  font-weight: 800;
  margin-top: auto;
  text-decoration: none;
}

.home-subscription-card__link:hover { color: var(--brand); }

/* Public subscription offer */
.subscription-offer { display: grid; gap: 6rem; }

.subscription-hero {
  align-items: center;
  display: grid;
  gap: clamp(2.5rem, 7vw, 6.5rem);
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.72fr);
}

.subscription-hero__copy h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 6.4vw, 5.6rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.94;
  margin: 0;
  max-width: 760px;
}

.subscription-hero__lead {
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.75;
  margin: 1.75rem 0 0;
  max-width: 650px;
}

.subscription-plan-card {
  background: var(--brand-dark);
  border-radius: 1.4rem;
  box-shadow: var(--shadow);
  color: #fff;
  overflow: hidden;
  padding: clamp(1.75rem, 4vw, 2.6rem);
  position: relative;
}

.subscription-plan-card::before {
  background: var(--accent);
  content: "";
  height: 0.35rem;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
}

.subscription-plan-card__label {
  color: #bcd5cc;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin: 0 0 0.55rem;
  text-transform: uppercase;
}

.subscription-plan-card h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.15rem;
  margin: 0;
}

.subscription-plan-card__price {
  align-items: baseline;
  display: flex;
  gap: 0.55rem;
  margin-top: 1.8rem;
}

.subscription-plan-card__price strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 3.35rem;
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1;
}

.subscription-plan-card__price span,
.subscription-plan-card__renewal { color: #bcd5cc; }

.subscription-plan-card__renewal {
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 0.82rem;
  font-weight: 700;
  margin: 0.65rem 0 0;
  padding-bottom: 1.55rem;
  text-transform: uppercase;
}

.subscription-benefits {
  display: grid;
  gap: 0.9rem;
  list-style: none;
  margin: 1.55rem 0;
  padding: 0;
}

.subscription-benefits li {
  color: #e6f0ec;
  line-height: 1.55;
  padding-left: 1.65rem;
  position: relative;
}

.subscription-benefits li::before {
  color: var(--accent);
  content: "✓";
  font-weight: 800;
  left: 0;
  position: absolute;
}

.subscription-plan-card__action {
  background: var(--accent);
  color: var(--ink);
  justify-content: center;
  width: 100%;
}

.subscription-plan-card__action:hover { background: #f1c75f; color: var(--ink); }

.subscription-section-heading { max-width: 720px; }

.subscription-section-heading h2,
.subscription-terms h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.15rem, 4vw, 3.2rem);
  letter-spacing: -0.035em;
  margin: 0;
}

.subscription-section-heading > p:last-child {
  color: var(--muted);
  line-height: 1.7;
  margin: 1rem 0 0;
}

.subscription-options { scroll-margin-top: 2rem; }

.subscription-options__grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 2rem;
}

.subscription-option {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  display: flex;
  flex-direction: column;
  padding: clamp(1.6rem, 4vw, 2.35rem);
  position: relative;
}

.subscription-option--featured {
  border-color: var(--brand);
  box-shadow: 0 16px 40px rgba(21, 58, 48, 0.12);
}

.subscription-option__badge {
  background: var(--accent);
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.65rem;
  position: absolute;
  right: 1.35rem;
  text-transform: uppercase;
  top: 1.35rem;
}

.subscription-option__period {
  color: var(--brand);
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  margin: 0;
  text-transform: uppercase;
}

.subscription-option__price {
  align-items: baseline;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.subscription-option__price strong {
  color: var(--brand-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.6rem, 6vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
}

.subscription-option__price span,
.subscription-option__renewal { color: var(--muted); }

.subscription-option__renewal { margin: 0.85rem 0 0; }

.subscription-option__saving {
  border-top: 1px solid var(--line);
  color: var(--brand);
  font-size: 0.86rem;
  font-weight: 800;
  margin: 1.4rem 0 0;
  padding-top: 1.2rem;
}

.subscription-option__action,
.subscription-checkout-option { margin-top: auto; }

.subscription-option__action {
  justify-content: center;
  margin-top: 1.5rem;
  text-align: center;
  width: 100%;
}

.subscription-checkout-option { padding-top: 1.5rem; }

.paypal-subscription-buttons {
  display: block;
  min-height: 3rem;
  width: 100%;
}

.subscription-comparison__grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 2rem;
}

.access-option {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  padding: clamp(1.5rem, 3vw, 2.1rem);
}

.access-option--featured { background: #e7efe9; border-color: #c5d7cb; }

.access-option__badge {
  color: var(--brand);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.access-option h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.8rem;
  margin: 0.55rem 0 0;
}

.access-option__price {
  color: var(--brand-dark);
  font-size: 1.35rem;
  font-weight: 800;
  margin: 1.25rem 0;
}

.access-option__price span { color: var(--muted); font-size: 0.85rem; font-weight: 650; }
.access-option__price--text { font-size: 1rem; min-height: 2rem; }

.access-option ul {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.85rem;
  list-style: none;
  margin: 0;
  padding: 1.25rem 0 0;
}

.access-option li {
  color: var(--muted);
  line-height: 1.55;
  padding-left: 1.55rem;
  position: relative;
}

.access-option li::before {
  color: var(--brand);
  content: "•";
  font-size: 1.35rem;
  left: 0.15rem;
  line-height: 1;
  position: absolute;
  top: 0.05rem;
}

.course-access-options {
  border-top: 1px solid var(--line);
  grid-column: 1 / -1;
  padding-top: 2.5rem;
}

.course-access-options:focus,
.course-purchase-checkout:focus {
  outline: 3px solid rgba(20, 107, 84, 0.28);
  outline-offset: 6px;
}

.course-access-options__heading { max-width: 760px; }

.course-access-options__heading h2,
.course-purchase-checkout__heading h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0.35rem 0 0;
}

.course-access-options__heading > p:last-child {
  color: var(--muted);
  line-height: 1.7;
  margin: 0.9rem 0 0;
}

.course-access-options__grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 2rem;
}

.course-access-options__grid--single {
  grid-template-columns: minmax(0, 36rem);
}

.course-access-option {
  display: flex;
  flex-direction: column;
}

.course-access-option ul { margin-bottom: 1.75rem; }

.course-access-option__subscription-price {
  align-items: baseline;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.35rem;
}

.course-access-option__subscription-price strong { font-size: 1.55rem; }

.course-access-option__billing {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 1.25rem;
}

.course-access-option__action {
  margin-top: auto;
  text-align: center;
  width: 100%;
}

.course-access-option__unavailable {
  background: #f2f5f4;
  border-radius: 0.7rem;
  color: var(--muted);
  font-weight: 700;
  margin: auto 0 0;
  padding: 0.9rem 1rem;
  text-align: center;
}

.course-purchase-checkout {
  border-top: 1px solid var(--line);
  grid-column: 1 / -1;
  max-width: 760px;
  padding-top: 2.5rem;
  scroll-margin-top: 1.5rem;
  width: 100%;
}

.course-purchase-checkout__heading { margin-bottom: 1.5rem; }

.subscription-terms {
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  display: grid;
  gap: 1.4rem;
  grid-template-columns: auto minmax(0, 1fr);
  padding: clamp(1.6rem, 4vw, 2.6rem);
}

.subscription-terms__icon {
  align-items: center;
  background: #e7efe9;
  border-radius: 999px;
  color: var(--brand-dark);
  display: flex;
  font-size: 1.25rem;
  font-weight: 800;
  height: 3rem;
  justify-content: center;
  width: 3rem;
}

.subscription-terms h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }

.subscription-terms > div > p:last-child {
  color: var(--muted);
  line-height: 1.75;
  margin: 1rem 0 0;
  max-width: 850px;
}

.footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  padding: 1.5rem 0;
}

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

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.footer__links a { color: inherit; }

.footer__links a:hover { color: var(--brand-dark); }

.nav-link--button {
  background: transparent;
  border: 0;
  cursor: pointer;
  font: inherit;
}

.nav-account .nav-link {
  color: var(--ink);
  font-size: 0.86rem;
  max-width: 15rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.primary-button {
  align-items: center;
  background: var(--brand);
  border: 0;
  border-radius: 0.7rem;
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  font-weight: 700;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.15rem;
  text-decoration: none;
}

.primary-button:hover { background: var(--brand-dark); color: #fff; }

.primary-button:disabled {
  cursor: wait;
  opacity: 0.72;
}

[data-processing-form][aria-busy="true"] [data-processing-submit]::before {
  animation: processing-spin 0.8s linear infinite;
  border: 0.16rem solid rgb(255 255 255 / 45%);
  border-radius: 50%;
  border-top-color: #fff;
  content: "";
  height: 1rem;
  margin-right: 0.55rem;
  width: 1rem;
}

@keyframes processing-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  [data-processing-form][aria-busy="true"] [data-processing-submit]::before {
    animation: none;
  }
}

.purchase-login { margin-top: 1rem; width: 100%; }

.paypal-checkout { margin-top: 1.2rem; }

.paypal-checkout paypal-button,
.paypal-checkout paypal-basic-card-container,
.paypal-card-checkout {
  display: block;
  width: 100%;
}

.paypal-checkout paypal-button[hidden],
.paypal-checkout paypal-basic-card-container[hidden],
.paypal-card-checkout[hidden] { display: none; }

.paypal-checkout paypal-basic-card-container { margin-top: 0.75rem; }

.paypal-card-checkout {
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  margin-top: 0.75rem;
  padding: 1rem;
}

.paypal-card-checkout h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.9rem;
}

.paypal-card-checkout form,
.paypal-card-checkout label {
  display: grid;
  gap: 0.4rem;
}

.paypal-card-checkout form { gap: 0.8rem; }

.paypal-card-checkout label > span:first-child {
  color: var(--muted);
  font-size: 0.83rem;
  font-weight: 700;
}

.paypal-card-checkout__grid {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.paypal-card-checkout input,
.paypal-card-field {
  background: #fff;
  border: 1px solid #aab5b2;
  border-radius: 0.55rem;
  box-sizing: border-box;
  color: var(--ink);
  display: block;
  font-size: 1rem;
  height: 3rem;
  min-width: 0;
  width: 100%;
}

.paypal-card-checkout input {
  padding: 0.7rem 0.8rem;
}

.paypal-card-checkout input:focus-visible {
  border-color: var(--brand);
  box-shadow: 0 0 0 0.2rem rgb(30 115 94 / 16%);
  outline: 0;
}

.paypal-card-submit {
  background: #2d3030;
  border: 0;
  border-radius: 0.55rem;
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  min-height: 3rem;
  padding: 0.75rem 1rem;
  width: 100%;
}

.paypal-card-submit:hover { background: #191b1b; }
.paypal-card-submit:disabled { cursor: wait; opacity: 0.65; }

.paypal-card-checkout__provider {
  color: var(--muted);
  font-size: 0.78rem;
  margin: 0.7rem 0 0;
  text-align: center;
}

@media (max-width: 480px) {
  .paypal-card-checkout__grid { grid-template-columns: 1fr; }
}

.purchase-state {
  background: #f2f5f4;
  border-radius: 0.7rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin: 1rem 0 0;
  padding: 0.8rem 1rem;
}

.purchase-state--success {
  background: #e8f6ee;
  color: #176b42;
}

.purchase-state--error {
  background: #fff0f0;
  color: #9b2c2c;
}

.purchase-confirmation { margin: 0 auto; max-width: 760px; }

.purchase-confirmation__card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  box-shadow: var(--shadow);
  padding: clamp(2rem, 6vw, 4.5rem);
}

.purchase-confirmation__card h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.35rem, 7vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1;
  margin: 0;
}

.purchase-confirmation__icon {
  align-items: center;
  border-radius: 50%;
  display: flex;
  font-size: 1.55rem;
  font-weight: 800;
  height: 3.5rem;
  justify-content: center;
  margin-bottom: 2rem;
  width: 3.5rem;
}

.purchase-confirmation__icon--success { background: #e8f6ee; color: #176b42; }
.purchase-confirmation__icon--pending { background: #fff7dc; color: #7d5a00; }
.purchase-confirmation__icon--warning { background: #fff7dc; color: #7d5a00; }
.purchase-confirmation__icon--error { background: #fff0f0; color: #9b2c2c; }
.purchase-confirmation__icon--expired { background: #eef1f0; color: #52615c; }

.purchase-confirmation__lead {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
  margin: 1.5rem 0 0;
}

.purchase-confirmation__lead strong { color: var(--ink); }

.purchase-confirmation__summary {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 2.5rem 0 0;
  padding: 1.6rem 0;
}

.purchase-confirmation__summary div { min-width: 0; }

.purchase-confirmation__summary dt {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.purchase-confirmation__summary dd {
  font-size: 1rem;
  font-weight: 750;
  margin: 0.35rem 0 0;
}

.purchase-confirmation__notice {
  background: #f2f5f4;
  border-radius: 0.7rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 1.5rem 0 0;
  padding: 0.9rem 1rem;
}

.purchase-confirmation__actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.purchase-confirmation__secondary {
  color: var(--brand-dark);
  font-weight: 750;
  text-decoration: none;
}

.purchase-confirmation__secondary:hover { color: var(--brand); }

.account-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: 0 1rem 3rem rgba(22, 31, 27, 0.08);
  margin: 0 auto;
  max-width: 34rem;
  padding: clamp(1.5rem, 5vw, 3rem);
}

.account-card h1 { margin-bottom: 0.6rem; }

.account-card form {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.account-card .external-login-form { margin-top: 1.5rem; }

.google-login-button {
  align-items: center;
  background: #fff;
  border: 1px solid #c8ceca;
  border-radius: 0.65rem;
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 750;
  gap: 0.75rem;
  justify-content: center;
  min-height: 3.1rem;
  padding: 0.7rem 1rem;
  width: 100%;
}

.google-login-button:hover {
  background: #f8faf9;
  border-color: #aeb8b2;
}

.google-login-button:focus-visible {
  box-shadow: 0 0 0 0.2rem rgba(38, 110, 87, 0.16);
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.google-login-button svg { height: 1.35rem; width: 1.35rem; }

.account-divider {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 0.78rem;
  gap: 0.75rem;
  margin-top: 1.25rem;
  text-align: center;
}

.account-divider::before,
.account-divider::after {
  background: var(--line);
  content: "";
  flex: 1;
  height: 1px;
}

.form-field { display: grid; gap: 0.35rem; }

.form-field label { font-weight: 700; }

.form-field input,
.form-field select,
.form-field textarea {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  min-height: 3rem;
  padding: 0.65rem 0.8rem;
  width: 100%;
}

.form-field textarea { line-height: 1.55; resize: vertical; }

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 0.2rem rgba(38, 110, 87, 0.16);
  outline: 0;
}

.form-hint {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
  margin: 0;
}

.checkbox-field { align-items: center; display: flex; gap: 0.55rem; }

.consent-field {
  align-items: start;
  display: grid;
  gap: 0.35rem 0.65rem;
  grid-template-columns: auto minmax(0, 1fr);
}

.consent-field input[type="checkbox"] {
  accent-color: var(--brand);
  height: 1.1rem;
  margin-top: 0.2rem;
  width: 1.1rem;
}

.consent-field label { line-height: 1.5; }

.consent-field .text-danger { grid-column: 2; }

.account-card__switch { margin: 1.5rem 0 0; }

.account-message > p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.7;
  margin: 1rem 0 0;
}

.account-message__actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

/* Student subscription status */
.subscription-account { margin: 0 auto; max-width: 880px; }

.subscription-account__heading { margin-bottom: 2rem; max-width: 680px; }

.subscription-account__heading h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.7rem, 7vw, 4.8rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
  margin: 0;
}

.subscription-account__heading > p:last-child {
  color: var(--muted);
  line-height: 1.7;
  margin: 1.2rem 0 0;
}

.subscription-status-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  box-shadow: var(--shadow);
  padding: clamp(1.6rem, 5vw, 3rem);
}

.subscription-status-card__summary {
  align-items: center;
  display: flex;
  gap: 1rem;
}

.subscription-status-card__indicator {
  background: #b7c2bd;
  border-radius: 50%;
  box-shadow: 0 0 0 0.45rem #eef1ef;
  flex: 0 0 0.85rem;
  height: 0.85rem;
  width: 0.85rem;
}

.subscription-status-card--activerenewing .subscription-status-card__indicator,
.subscription-status-card--activenotrenewing .subscription-status-card__indicator {
  background: #1f8a58;
  box-shadow: 0 0 0 0.45rem #e2f3e9;
}

.subscription-status-card--pending .subscription-status-card__indicator {
  background: #bd8700;
  box-shadow: 0 0 0 0.45rem #fff4ce;
}

.subscription-status-card--cancelled .subscription-status-card__indicator,
.subscription-status-card--expired .subscription-status-card__indicator,
.subscription-status-card--unconfirmed .subscription-status-card__indicator {
  background: #9b4f38;
  box-shadow: 0 0 0 0.45rem #f9e9e3;
}

.subscription-status-card__label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  margin: 0 0 0.25rem;
  text-transform: uppercase;
}

.subscription-status-card h2 {
  color: var(--brand-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  margin: 0;
}

.subscription-status-card__message {
  color: var(--muted);
  line-height: 1.7;
  margin: 1.5rem 0 0;
  max-width: 680px;
}

.subscription-status-card__details {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1.35rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 2rem 0;
  padding: 1.5rem 0;
}

.subscription-status-card__details div { min-width: 0; }

.subscription-status-card__details dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.subscription-status-card__details dd {
  color: var(--ink);
  font-weight: 750;
  margin: 0.35rem 0 0;
}

.subscription-account__notice { margin: 0 0 1.25rem; }

/* Account navigation and payment history */
.account-navigation {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 1.75rem;
  margin-bottom: 2.5rem;
  overflow-x: auto;
  overflow-y: hidden;
}

.account-navigation__link {
  color: var(--muted);
  flex: 0 0 auto;
  font-weight: 750;
  padding: 0 0 0.85rem;
  position: relative;
  text-decoration: none;
}

.account-navigation__link::after {
  background: transparent;
  bottom: -1px;
  content: "";
  height: 3px;
  left: 0;
  position: absolute;
  right: 0;
}

.account-navigation__link:hover,
.account-navigation__link--active { color: var(--brand-dark); }

.account-navigation__link--active::after { background: var(--accent); }

.account-settings { margin: 0 auto; max-width: 1120px; }

.account-settings__heading {
  margin-bottom: 2rem;
  max-width: 760px;
}

.account-settings__heading > p:last-child,
.account-settings-card > p { color: var(--muted); }

.account-settings__notice { margin: 0 0 1.25rem; }

.account-settings__grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.account-settings-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: 0 0.8rem 2.25rem rgba(22, 31, 27, 0.06);
  padding: clamp(1.35rem, 3vw, 2rem);
}

.account-settings-card h2 { margin-bottom: 0.55rem; }

.account-settings-card__details { margin: 1.5rem 0 0; }

.account-settings-card__details div {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.35rem;
  padding-top: 1rem;
}

.account-settings-card__details dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.account-settings-card__details dd {
  font-size: 1.05rem;
  margin: 0;
  overflow-wrap: anywhere;
}

.account-settings-card .primary-link { margin-top: 1.1rem; }

.account-settings__form {
  margin: 0;
  max-width: 42rem;
}

.account-settings__form-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 720px) {
  .account-settings__grid { grid-template-columns: 1fr; }
}

.payment-history { margin: 0 auto; max-width: 1120px; }

.payment-history__heading { margin-bottom: 2rem; max-width: 760px; }

.payment-history__heading h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.7rem, 7vw, 4.8rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
  margin: 0;
}

.payment-history__heading > p:last-child {
  color: var(--muted);
  line-height: 1.7;
  margin: 1.2rem 0 0;
}

.payment-history__empty { text-align: left; }

.payment-history__empty-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.secondary-link {
  color: var(--brand-dark);
  font-weight: 750;
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

.payment-history__count {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 750;
  margin: 0 0 0.75rem;
}

.payment-kind {
  background: #eef3f1;
  border-radius: 999px;
  color: var(--brand-dark);
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 800;
  padding: 0.35rem 0.6rem;
  white-space: nowrap;
}

.payment-kind--subscription {
  background: #f3eddf;
  color: #75551d;
}

.payment-reference summary {
  color: var(--brand-dark);
  cursor: pointer;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.83rem;
  font-weight: 700;
  width: max-content;
}

.payment-reference code {
  background: #f5f7f6;
  border-radius: 0.35rem;
  color: var(--ink);
  display: block;
  font-size: 0.76rem;
  margin-top: 0.55rem;
  max-width: 18rem;
  overflow-wrap: anywhere;
  padding: 0.45rem 0.55rem;
  user-select: all;
}

.payment-pagination {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 0.88rem;
  font-weight: 700;
  justify-content: space-between;
  margin-top: 1.5rem;
}

.payment-pagination a {
  color: var(--brand-dark);
  text-decoration: none;
}

.payment-pagination a:hover { text-decoration: underline; }

.payment-pagination__disabled { color: #9aa5a0; }

@media (max-width: 760px) {
  .payment-pagination { gap: 0.75rem; }

  .payment-pagination > span:nth-child(2) { text-align: center; }
}

.payment-cycles {
  display: grid;
  gap: 1.25rem;
}

.payment-cycle {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.payment-cycle__header {
  align-items: start;
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  padding: 1.4rem 1.5rem 1.2rem;
}

.payment-cycle__header h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  margin: 0.7rem 0 0.35rem;
}

.payment-cycle__header p {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0;
}

.payment-cycle__summary {
  align-items: end;
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  gap: 0.75rem;
}

.payment-cycle__summary strong {
  font-size: 1.1rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.payment-status {
  background: #e7f3ec;
  border-radius: 999px;
  color: #21613f;
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 850;
  padding: 0.4rem 0.65rem;
  white-space: nowrap;
}

.payment-status--partially-refunded {
  background: #fff3d8;
  color: #775611;
}

.payment-status--refunded,
.payment-status--reversed {
  background: #fbe8e5;
  color: #87372e;
}

.payment-cycle__reference {
  align-items: center;
  background: #f7f9f8;
  border-block: 1px solid var(--line);
  display: flex;
  gap: 0.75rem;
  padding: 0.7rem 1.5rem;
}

.payment-cycle__reference > span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.payment-timeline {
  list-style: none;
  margin: 0;
  padding: 1.35rem 1.5rem 1.5rem;
}

.payment-event {
  --payment-event-color: #327054;
  display: grid;
  gap: 1rem;
  grid-template-columns: 0.8rem minmax(0, 1fr);
  padding-bottom: 1.25rem;
  position: relative;
}

.payment-event:last-child { padding-bottom: 0; }

.payment-event::before {
  background: var(--line);
  content: "";
  height: 100%;
  left: 0.35rem;
  position: absolute;
  top: 0.7rem;
  width: 2px;
}

.payment-event:last-child::before { display: none; }

.payment-event--partially-refunded { --payment-event-color: #b37d15; }

.payment-event--refunded,
.payment-event--reversed { --payment-event-color: #a34b40; }

.payment-event__marker {
  background: var(--payment-event-color);
  border: 3px solid var(--surface);
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--payment-event-color);
  height: 0.8rem;
  margin-top: 0.2rem;
  position: relative;
  width: 0.8rem;
  z-index: 1;
}

.payment-event__heading {
  align-items: baseline;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}

.payment-event__heading h3 {
  font-size: 0.95rem;
  margin: 0;
}

.payment-event__heading time {
  color: var(--muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.payment-event__details {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  margin: 0.65rem 0 0;
}

.payment-event__details > div {
  min-width: 8rem;
}

.payment-event__details dt {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.payment-event__details dd {
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
  font-weight: 750;
  margin: 0.25rem 0 0;
}

@media (max-width: 620px) {
  .payment-cycle__header {
    align-items: stretch;
    flex-direction: column;
    gap: 1rem;
    padding-inline: 1rem;
  }

  .payment-cycle__summary {
    align-items: center;
    flex-direction: row;
    justify-content: space-between;
  }

  .payment-cycle__reference,
  .payment-timeline { padding-inline: 1rem; }

  .payment-event__heading {
    align-items: start;
    flex-direction: column;
    gap: 0.25rem;
  }

  .payment-event__details {
    display: grid;
    gap: 0.75rem;
  }
}

.danger-link {
  color: #8a342b;
  font-weight: 750;
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

.danger-link:hover { color: #64231d; }

.subscription-cancellation { margin: 0 auto; max-width: 760px; }

.subscription-cancellation__card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  box-shadow: var(--shadow);
  padding: clamp(2rem, 6vw, 4rem);
}

.subscription-cancellation h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.5rem, 7vw, 4.25rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
  margin: 0;
}

.subscription-cancellation__lead {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
  margin: 1.5rem 0 0;
}

.subscription-cancellation__lead strong,
.subscription-cancellation__access strong { color: var(--ink); }

.subscription-cancellation__access {
  align-items: flex-start;
  background: #e8f6ee;
  border-radius: 0.8rem;
  color: #176b42;
  display: flex;
  gap: 0.8rem;
  line-height: 1.65;
  margin-top: 1.75rem;
  padding: 1rem 1.1rem;
}

.subscription-cancellation__access span { font-weight: 900; }
.subscription-cancellation__access p { margin: 0; }

.subscription-cancellation__actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.danger-button {
  background: #8a342b;
  border: 0;
  border-radius: 0.7rem;
  color: #fff;
  cursor: pointer;
  font-weight: 750;
  min-height: 3rem;
  padding: 0.75rem 1.15rem;
}

.danger-button:hover { background: #64231d; }

.subscription-cancellation__secondary {
  color: var(--brand-dark);
  font-weight: 750;
  text-decoration: none;
}

.subscription-cancellation__secondary:hover { color: var(--brand); }

@media (max-width: 991.98px) {
  .course-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .course-detail { gap: 2.25rem; }
  .course-facts-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .subscription-hero { gap: 2.5rem; grid-template-columns: minmax(0, 1fr) minmax(19rem, 0.75fr); }
  .home-subscriptions { grid-template-columns: 1fr; }
}

@media (max-width: 767.98px) {
  main { padding: 3rem 0 4rem; }
  .home-placeholder { grid-template-columns: 1fr; }
  .home-placeholder__portrait { max-width: 260px; }
  .navbar-collapse { padding-top: 0.75rem; }
  .nav-link { margin-left: 0; padding-left: 0; }
  .catalog-filters { align-items: stretch; grid-template-columns: 1fr; }
  .catalog-filters__submit { width: 100%; }
  .catalog-filters__clear { grid-column: auto; justify-self: center; }
  .course-detail { grid-template-columns: 1fr; }
  .course-access-options__grid { grid-template-columns: 1fr; }
  .course-detail__description,
  .course-detail__facts,
  .course-detail__technologies,
  .course-detail__curriculum,
  .course-detail__outcomes,
  .course-detail__fit { grid-column: 1; }

  .course-detail__outcomes,
  .course-detail__fit { grid-template-columns: 1fr; }

  .subscription-offer { gap: 4.5rem; }
  .subscription-hero,
  .subscription-options__grid,
  .subscription-comparison__grid { grid-template-columns: 1fr; }
  .subscription-plan-card { max-width: 36rem; }
  .subscription-status-card__details { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-section-heading { align-items: start; grid-template-columns: 1fr; }

  .curriculum-heading { align-items: flex-start; flex-direction: column; gap: 0.5rem; }
  .curriculum-heading__count { margin: 0; }
}

@media (max-width: 575.98px) {
  .error-page {
    align-content: center;
    gap: 2rem;
    grid-template-columns: 1fr;
    min-height: 52vh;
  }
  .error-page__code { font-size: clamp(7rem, 40vw, 10rem); }
  .error-page__actions { align-items: stretch; flex-direction: column; }
  .error-page__actions .primary-button,
  .error-page__secondary-action { text-align: center; width: 100%; }
  .course-grid { grid-template-columns: 1fr; }
  .catalog-heading h1,
  .home-placeholder h1 { font-size: 2.8rem; }
  .home-placeholder { min-height: 48vh; }
  .home-subscriptions { border-radius: 1.15rem; }
  .home-subscriptions__grid { grid-template-columns: 1fr; }
  .home-subscription-card { padding: 1.3rem; }
  .course-facts-grid { grid-template-columns: 1fr; }
  .course-card__footer,
  .course-detail__price-panel,
  .footer__content { align-items: flex-start; flex-direction: column; gap: 0.6rem; }
  .purchase-confirmation__summary { grid-template-columns: 1fr; }
  .subscription-status-card__details { grid-template-columns: 1fr; }

  .subscription-hero__copy h1 { font-size: 3.1rem; }
  .subscription-terms { grid-template-columns: 1fr; }

  .curriculum-section summary {
    grid-template-columns: 1fr;
    padding-right: 3.5rem;
  }

  .curriculum-section__count { grid-column: 1; grid-row: auto; }

  .curriculum-lessons li {
    align-items: flex-start;
    display: grid;
    grid-template-columns: 1.8rem minmax(0, 1fr);
  }

  .curriculum-lesson__main {
    grid-column: 2;
    padding-top: 0.28rem;
  }

  .curriculum-lesson__status {
    grid-column: 2;
    justify-self: start;
    margin-left: 0;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}

.course-admin {
  margin: 0 auto;
  max-width: 1120px;
  padding: 4.5rem 0 6rem;
}

.course-admin__header {
  align-items: end;
  display: flex;
  gap: 2rem;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.course-admin__header h1,
.course-admin__form-heading h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: -0.045em;
  margin: 0.2rem 0 0.7rem;
}

.course-admin__header p:last-child,
.course-admin__form-heading p:last-child { color: var(--muted); margin: 0; }

.course-admin__table-wrap,
.course-admin__empty,
.course-admin__form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: 0 0.8rem 2.5rem rgba(24, 33, 29, 0.06);
}

.course-admin__table-wrap { overflow: hidden; }
.course-admin__table { border-collapse: collapse; width: 100%; }

.course-admin__table th {
  background: #f3f6f4;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 0.9rem 1.15rem;
  text-align: left;
  text-transform: uppercase;
}

.course-admin__table td {
  border-top: 1px solid var(--line);
  padding: 1.1rem 1.15rem;
  vertical-align: middle;
}

.course-admin__table code,
.course-admin__readonly code {
  color: var(--brand-dark);
  overflow-wrap: anywhere;
}

.course-admin__status {
  background: #eee9df;
  border-radius: 999px;
  color: #6f624e;
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.3rem 0.65rem;
}

.course-admin__status--published { background: #dceee6; color: #285d48; }
.course-admin__action { display: flex; gap: 1rem; justify-content: flex-end; text-align: right; }
.course-admin__action a,
.course-admin__back { color: var(--brand-dark); font-weight: 800; }
.course-admin__action form { margin: 0; }
.course-admin__action-button {
  background: transparent;
  border: 0;
  color: var(--brand-dark);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  padding: 0;
  text-decoration: underline;
}
.course-admin__action-button:hover { color: var(--brand); }
.course-admin__empty { padding: 2.5rem; text-align: center; }
.course-admin--form { max-width: 900px; }
.course-admin__back { display: inline-block; margin-bottom: 1.5rem; text-decoration: none; }
.course-admin__form-heading { margin-bottom: 1.75rem; }

.course-publication {
  align-items: center;
  background: #eef6f1;
  border: 1px solid #c9dfd2;
  border-radius: 1rem;
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding: 1.25rem 1.4rem;
}

.course-publication h2 { font-size: 1.35rem; margin: 0.1rem 0 0.35rem; }
.course-publication p:last-child { color: var(--muted); margin: 0; }
.course-publication form { flex: 0 0 auto; }

.course-publication__unpublish {
  background: #fff;
  border: 1px solid #b86d5e;
  border-radius: 999px;
  color: #8a3f33;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  padding: 0.75rem 1.1rem;
}

.course-publication__unpublish:hover { background: #fff4f1; }

.course-admin__heading-row {
  align-items: end;
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
}

.course-admin__heading-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 1rem; }

.course-admin__public-link {
  color: var(--brand-dark);
  font-weight: 800;
  margin-bottom: 0.8rem;
  white-space: nowrap;
}

.course-admin__form {
  display: grid;
  gap: 0;
  padding: clamp(1.4rem, 4vw, 2.25rem);
}

.course-admin__section {
  border: 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 1.15rem;
  margin: 0;
  min-width: 0;
  padding: 0 0 2rem;
}

.course-admin__section + .course-admin__section { padding-top: 2rem; }

.course-admin__section legend {
  color: var(--ink);
  float: left;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  padding: 0;
  width: 100%;
}

.course-admin__section-help {
  color: var(--muted);
  line-height: 1.55;
  margin: -0.6rem 0 0;
}

.course-admin__readonly-grid,
.course-admin__duration-fields {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.course-admin__group-label { display: block; font-weight: 700; margin-bottom: 0.35rem; }
.course-admin__repeater-list { display: grid; gap: 0.85rem; }

.course-admin__repeater-row {
  align-items: end;
  background: #f7f8f6;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 0.9rem;
}

.course-admin__repeater-row--technology {
  grid-template-columns: minmax(0, 1.5fr) minmax(8rem, 0.75fr) auto;
}

.course-admin__row-actions { display: flex; gap: 0.4rem; }

.course-admin__row-actions button,
.course-admin__add {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  color: var(--brand-dark);
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 800;
  min-height: 2.6rem;
  padding: 0.55rem 0.7rem;
}

.course-admin__row-actions button:disabled,
.course-admin__add:disabled { cursor: not-allowed; opacity: 0.42; }

.course-admin__row-actions button:not(:disabled):hover,
.course-admin__add:not(:disabled):hover { border-color: var(--brand); }

.course-admin__add { justify-self: start; }
.course-admin__collection-validation:empty { display: none; }

.course-admin__money-input { align-items: stretch; display: flex; }

.course-admin__money-input > span {
  align-items: center;
  background: #f3f6f4;
  border: 1px solid var(--line);
  border-radius: 0.6rem 0 0 0.6rem;
  color: var(--muted);
  display: flex;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0 0.8rem;
}

.course-admin__money-input input { border-left: 0; border-radius: 0 0.6rem 0.6rem 0; }

.course-admin__readonly {
  background: #f3f6f4;
  border-radius: 0.65rem;
  display: grid;
  gap: 0.3rem;
  padding: 0.9rem 1rem;
}

.course-admin__readonly span { font-size: 0.82rem; font-weight: 800; }

.course-admin__cover-field { align-items: start; }

.course-admin__cover-preview {
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  max-width: 24rem;
  object-fit: cover;
  width: 100%;
}

.course-admin__form-actions {
  align-items: center;
  display: flex;
  gap: 1.25rem;
  padding-top: 2rem;
}

.course-admin__form-actions a { color: var(--muted); font-weight: 700; }
.course-admin__notice { margin-bottom: 1.25rem; }

.english-udemy-admin__settings { margin-bottom: 2rem; }
.english-udemy-admin__settings-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: minmax(0, 2fr) minmax(12rem, 1fr);
  margin-bottom: 1.25rem;
}
.english-udemy-admin__empty,
.english-udemy-admin__table { margin-top: 2rem; }

/* Administration */
.admin-dashboard {
  margin: 0 auto;
  max-width: 860px;
  padding: 4.5rem 0 6rem;
}

.admin-dashboard__header { margin-bottom: 2rem; }
.admin-dashboard__header h1,
.user-details__header h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: -0.045em;
  margin: 0 0 0.7rem;
}

.admin-dashboard__header p,
.user-details__header p { color: var(--muted); margin: 0; }
.admin-dashboard__links { display: grid; gap: 1rem; list-style: none; margin: 0; padding: 0; }
.admin-dashboard__links a {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  padding: 1.4rem 1.5rem;
  text-decoration: none;
  transition: border-color 160ms ease, transform 160ms ease;
}

.admin-dashboard__links a:hover { border-color: var(--brand); transform: translateY(-2px); }
.admin-dashboard__links strong { display: block; font-size: 1.1rem; }
.admin-dashboard__links small { color: var(--muted); display: block; margin-top: 0.3rem; }
.admin-dashboard__links a > span:last-child { color: var(--brand); font-size: 1.4rem; }

.user-admin__header { margin-bottom: 1.5rem; }
.user-admin__filter {
  align-items: end;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr) auto auto;
  margin-bottom: 1.5rem;
  padding: 1.25rem;
}

.user-admin__filter .form-field { margin: 0; }
.user-admin__filter > a { color: var(--brand-dark); font-weight: 800; padding: 0.8rem 0; }
.user-admin__count { color: var(--muted); font-size: 0.9rem; font-weight: 700; }

.user-details { max-width: 860px; }
.user-details__header { margin-bottom: 2rem; }
.user-details__header p { overflow-wrap: anywhere; }
.user-details__summary,
.user-details__subscription,
.user-details__courses {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: 0 0.8rem 2.5rem rgba(24, 33, 29, 0.06);
  padding: 1.5rem;
}

.user-details__summary { margin: 0 0 1.25rem; }
.user-details__summary { display: grid; gap: 0.9rem; }
.user-details__summary div { align-items: center; display: flex; gap: 1rem; justify-content: space-between; }
.user-details__summary dt { color: var(--muted); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; }
.user-details__summary dd { font-size: 1.1rem; font-weight: 850; margin: 0; }
.user-details__subscription { margin-bottom: 1.25rem; }
.user-details__subscription h2,
.user-details__courses h2 { font-family: Georgia, "Times New Roman", serif; margin: 0 0 1rem; }
.user-details__subscription-form { display: grid; gap: 1rem; }
.user-details__subscription-form .form-field { margin: 0; }
.user-details__subscription-form small { color: var(--muted); }
.user-details__subscription-form .primary-button { justify-self: start; }
.user-details__grant-history { border-top: 1px solid var(--line); margin-top: 1.5rem; padding-top: 1.25rem; }
.user-details__grant-history h3 { margin: 0 0 1rem; }
.user-details__grant-history dl { display: grid; gap: 0.75rem; margin: 0; }
.user-details__grant-history dl div { display: grid; gap: 0.2rem; }
.user-details__grant-history dt { color: var(--muted); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.user-details__grant-history dd { margin: 0; overflow-wrap: anywhere; }
.user-details__courses p { color: var(--muted); margin: 0; }
.user-details__courses ul { display: grid; gap: 0.75rem; list-style: none; margin: 0; padding: 0; }
.user-details__courses li { background: #f3f6f4; border-radius: 0.7rem; font-weight: 750; padding: 0.9rem 1rem; }

/* Course curriculum administration */
.curriculum-admin { max-width: 1080px; }

.curriculum-admin__breadcrumbs {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 0.9rem;
  gap: 0.55rem;
  margin-bottom: 1.5rem;
}

.curriculum-admin__breadcrumbs a { color: var(--brand-dark); font-weight: 750; }
.curriculum-admin__header { margin-bottom: 1.5rem; }
.curriculum-admin__validation { background: #fff4f1; border: 1px solid #efc1b9; border-radius: 0.8rem; margin-bottom: 1.25rem; padding: 1rem 1.2rem; }
.curriculum-admin__validation p { font-weight: 800; margin: 0; }
.curriculum-admin__validation ul { margin-bottom: 0; }
.curriculum-admin__sections { display: grid; gap: 1.25rem; list-style: none; margin: 1.5rem 0 0; padding: 0; }
.curriculum-admin__empty { background: var(--surface); border: 1px solid var(--line); border-radius: 1rem; margin-top: 1.5rem; }

.curriculum-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: 0 0.8rem 2.2rem rgba(18, 32, 26, 0.05);
  overflow: hidden;
}

.curriculum-card--hidden,
.curriculum-lesson--hidden { background: #f7f7f5; }

.curriculum-card__header { align-items: start; display: flex; gap: 1rem; padding: 1.35rem 1.5rem 0.8rem; }
.curriculum-card__position,
.curriculum-lesson__position {
  align-items: center;
  background: var(--brand);
  border-radius: 999px;
  color: #fff;
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 0.82rem;
  font-weight: 850;
  height: 2rem;
  justify-content: center;
  width: 2rem;
}

.curriculum-card__heading { min-width: 0; width: 100%; }
.curriculum-card__title-row { align-items: center; display: flex; flex-wrap: wrap; gap: 0.7rem; }
.curriculum-card__title-row h2 { font-family: Georgia, "Times New Roman", serif; font-size: 1.55rem; margin: 0; }
.curriculum-card__heading p { color: var(--muted); line-height: 1.6; margin: 0.45rem 0; white-space: pre-line; }
.curriculum-card__heading small { color: var(--muted); font-weight: 750; }

.curriculum-visibility {
  background: #dceee6;
  border-radius: 999px;
  color: #285d48;
  font-size: 0.72rem;
  font-weight: 850;
  padding: 0.22rem 0.55rem;
  text-transform: uppercase;
}

.curriculum-visibility--hidden { background: #ebe8e2; color: #6c6257; }
.curriculum-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 0.45rem; padding: 0.45rem 1.5rem 1rem 4.5rem; }
.curriculum-actions form { margin: 0; }

.secondary-button,
.icon-button {
  background: #fff;
  border: 1px solid #b7c3bc;
  border-radius: 0.6rem;
  color: var(--brand-dark);
  cursor: pointer;
  font-weight: 800;
}

.secondary-button--compact { min-height: 2.3rem; padding: 0.4rem 0.7rem; }
.icon-button { height: 2.3rem; width: 2.3rem; }
.danger-button--compact { border-radius: 0.6rem; min-height: 2.3rem; padding: 0.4rem 0.7rem; }
.secondary-button:disabled,
.icon-button:disabled,
.danger-button:disabled { cursor: not-allowed; opacity: 0.42; }
.secondary-button:not(:disabled):hover,
.icon-button:not(:disabled):hover { background: #f3f7f5; border-color: var(--brand); }

.curriculum-editor { border-top: 1px solid var(--line); }
.curriculum-editor--new { background: var(--surface); border: 1px solid var(--line); border-radius: 0.9rem; overflow: hidden; }
.curriculum-editor summary { color: var(--brand-dark); cursor: pointer; font-weight: 850; padding: 0.9rem 1.5rem; }
.curriculum-editor[open] summary { border-bottom: 1px solid var(--line); }
.curriculum-editor__form { background: #fbfcfb; display: grid; gap: 1rem; padding: 1.25rem 1.5rem 1.5rem; }
.curriculum-editor__form--lesson { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); }
.curriculum-editor__form .form-field { margin: 0; }
.curriculum-editor__form .checkbox-field { align-self: center; }
.curriculum-editor__actions { align-items: center; display: flex; gap: 0.75rem; }
.curriculum-editor__form--lesson .curriculum-editor__actions { justify-content: end; }
.curriculum-editor__form[aria-busy="true"],
.curriculum-actions form[aria-busy="true"] { opacity: 0.62; }

.curriculum-lessons { background: #f7f9f7; border-top: 1px solid var(--line); padding: 1.25rem 1.5rem 1.5rem; }
.curriculum-lessons h3 { font-size: 1rem; letter-spacing: 0.04em; margin: 0 0 0.9rem; text-transform: uppercase; }
.curriculum-lessons__empty { color: var(--muted); margin: 0 0 1rem; }
.curriculum-lessons__list { display: grid; gap: 0.75rem; list-style: none; margin: 0 0 1rem; padding: 0; }
.curriculum-lesson { background: #fff; border: 1px solid var(--line); border-radius: 0.75rem; display: grid; grid-template-columns: minmax(0, 1fr) auto; overflow: hidden; }
.curriculum-lesson__summary { align-items: start; display: flex; gap: 0.75rem; min-width: 0; padding: 0.9rem 1rem; }
.curriculum-lesson__position { background: #e1e9e4; color: var(--brand-dark); height: 1.7rem; width: 1.7rem; }
.curriculum-lesson__metadata { align-items: center; color: var(--muted); display: flex; flex-wrap: wrap; font-size: 0.78rem; gap: 0.55rem; margin-top: 0.35rem; }
.curriculum-actions--lesson { justify-content: end; padding: 0.75rem 1rem; }
.curriculum-lesson > .curriculum-editor { grid-column: 1 / -1; }
.curriculum-editor--new-lesson { background: #fff; border: 1px dashed #aebcb4; border-radius: 0.75rem; }

.curriculum-toast {
  background: #163f31;
  border-radius: 0.75rem;
  bottom: 1.25rem;
  box-shadow: 0 1rem 3rem rgba(17, 35, 28, 0.24);
  color: #fff;
  font-weight: 750;
  left: 50%;
  max-width: min(90vw, 36rem);
  opacity: 0;
  padding: 0.85rem 1.1rem;
  pointer-events: none;
  position: fixed;
  transform: translate(-50%, 1rem);
  transition: opacity 160ms ease, transform 160ms ease;
  visibility: hidden;
  z-index: 1000;
}

.curriculum-toast--error { background: #7b3028; }
.curriculum-toast--visible { opacity: 1; transform: translate(-50%, 0); visibility: visible; }

@media (max-width: 760px) {
  .curriculum-card__header { padding-left: 1rem; padding-right: 1rem; }
  .curriculum-actions { padding-left: 1rem; padding-right: 1rem; }
  .curriculum-lessons { padding-left: 1rem; padding-right: 1rem; }
  .curriculum-lesson { grid-template-columns: 1fr; }
  .curriculum-actions--lesson { justify-content: start; padding-top: 0; }
  .curriculum-editor__form--lesson { grid-template-columns: 1fr; }
  .curriculum-editor__form--lesson .curriculum-editor__actions { justify-content: start; }
}

@media (prefers-reduced-motion: reduce) {
  .curriculum-toast { transition: none; }
}

@media (max-width: 700px) {
  .admin-dashboard { padding: 3rem 0 4rem; }
  .user-admin__filter { align-items: stretch; grid-template-columns: 1fr; }
  .user-admin__filter .primary-button { width: 100%; }
  .user-admin__filter > a { text-align: center; }
  .course-admin { padding: 3rem 0 4rem; }
  .course-admin__header { align-items: start; flex-direction: column; }
  .course-admin__table-wrap { background: transparent; border: 0; box-shadow: none; overflow: visible; }
  .course-admin__table,
  .course-admin__table tbody,
  .course-admin__table tr,
  .course-admin__table td { display: block; }
  .course-admin__table thead { display: none; }
  .course-admin__table tr {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 0.8rem;
    margin-bottom: 1rem;
    padding: 0.35rem 1rem;
  }
  .course-admin__table td { border-top: 1px solid var(--line); padding: 0.8rem 0; }
  .course-admin__table td:first-child { border-top: 0; }
  .course-admin__table td::before {
    color: var(--muted);
    content: attr(data-label);
    display: block;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    margin-bottom: 0.2rem;
    text-transform: uppercase;
  }
  .course-admin__action { text-align: left; }
  .course-admin__heading-row { align-items: start; flex-direction: column; gap: 0; }
  .course-publication { align-items: stretch; flex-direction: column; }
  .course-publication form,
  .course-publication button { width: 100%; }
  .course-admin__public-link { margin-top: 0.75rem; }
  .course-admin__readonly-grid,
  .course-admin__duration-fields { grid-template-columns: 1fr; }
  .english-udemy-admin__settings-grid { grid-template-columns: 1fr; }
  .course-admin__repeater-row,
  .course-admin__repeater-row--technology { align-items: stretch; grid-template-columns: 1fr; }
  .course-admin__row-actions { flex-wrap: wrap; }
}

/* Immersive lesson learning */
.lesson-learning-body {
  background: #fbfaf7;
  display: block;
  min-height: 100dvh;
  overflow: hidden;
}

.lesson-learning-body *,
.lesson-learning-body *::before,
.lesson-learning-body *::after { box-sizing: border-box; }

.lesson-sr-only {
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.lesson-learning-shell {
  --lesson-border: #d8ded9;
  --lesson-ivory: #f7f4ec;
  --lesson-sage: #e7f0eb;
  --lesson-sidebar-width: 380px;
  background: #fbfaf7;
  display: grid;
  grid-template-columns: var(--lesson-sidebar-width) minmax(0, 1fr);
  height: 100dvh;
  overflow: hidden;
  transition: grid-template-columns 220ms ease;
}

.lesson-curriculum {
  background: var(--lesson-ivory);
  border-right: 1px solid var(--lesson-border);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  position: relative;
  transform: translateX(0);
  transition: transform 220ms ease, visibility 220ms ease;
  visibility: visible;
  width: var(--lesson-sidebar-width);
  z-index: 30;
}

.lesson-learning-shell[data-curriculum-collapsed="true"] {
  grid-template-columns: 0 minmax(0, 1fr);
}

.lesson-learning-shell[data-curriculum-collapsed="true"] .lesson-curriculum {
  transform: translateX(-100%);
  visibility: hidden;
}

.lesson-curriculum__header {
  background: var(--lesson-ivory);
  border-bottom: 1px solid var(--lesson-border);
  flex: 0 0 auto;
  padding: 1.25rem 1.5rem 1.5rem;
}

.lesson-curriculum__brand-row {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 2.5rem;
}

.lesson-curriculum__brand {
  align-items: center;
  color: var(--ink);
  display: inline-flex;
  font-size: 0.98rem;
  font-weight: 800;
  gap: 0.65rem;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.lesson-curriculum__brand .brand-mark {
  border-radius: 0.6rem;
  height: 2rem;
  width: 2rem;
}

.lesson-curriculum__brand:hover { color: var(--brand); }

.lesson-curriculum__exit {
  align-items: center;
  color: var(--brand-dark);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 650;
  gap: 0.35rem;
  text-decoration: none;
}

.lesson-curriculum__exit:hover { color: var(--brand); }

.lesson-curriculum__exit svg {
  fill: none;
  height: 1rem;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.75;
  width: 1rem;
}

.lesson-curriculum__course { padding-top: 2.25rem; }

.lesson-curriculum__course h1 {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.85rem, 2.5vw, 2.35rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.02;
  margin: 0;
}

.lesson-curriculum__course p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0.75rem 0 0;
}

.lesson-curriculum__sections {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 1rem 1rem 2rem;
  scrollbar-color: rgba(20, 107, 84, 0.28) transparent;
  scrollbar-width: thin;
}

.lesson-curriculum-section {
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--lesson-border);
  border-radius: 0.75rem;
  overflow: hidden;
}

.lesson-curriculum-section + .lesson-curriculum-section { margin-top: 0.75rem; }

.lesson-curriculum-section summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  list-style: none;
  min-height: 4.65rem;
  padding: 0.9rem 1rem;
}

.lesson-curriculum-section summary::-webkit-details-marker { display: none; }

.lesson-curriculum-section summary:hover { background: rgba(255, 255, 255, 0.55); }

.lesson-curriculum-section summary:focus-visible {
  border-radius: 0.6rem;
  outline: 3px solid rgba(20, 107, 84, 0.28);
  outline-offset: -4px;
}

.lesson-curriculum-section__number {
  color: var(--brand);
  display: block;
  font-size: 0.64rem;
  font-weight: 850;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.lesson-curriculum-section__title {
  color: var(--ink);
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.2;
  margin-top: 0.35rem;
}

.lesson-curriculum-section__chevron {
  fill: none;
  flex: 0 0 1.1rem;
  height: 1.1rem;
  stroke: var(--brand-dark);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  transform: rotate(180deg);
  transition: transform 160ms ease;
  width: 1.1rem;
}

.lesson-curriculum-section:not([open]) .lesson-curriculum-section__chevron { transform: rotate(0); }

.lesson-curriculum-lessons {
  border-top: 1px solid var(--lesson-border);
  list-style: none;
  margin: 0;
  padding: 0;
}

.lesson-curriculum-lessons li + li { border-top: 1px solid rgba(216, 222, 217, 0.78); }

.lesson-curriculum-lesson {
  align-items: center;
  color: var(--ink);
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1.75rem minmax(0, 1fr) auto;
  min-height: 4.25rem;
  padding: 0.7rem 0.9rem;
  position: relative;
  text-decoration: none;
  transition: background-color 150ms ease, color 150ms ease;
}

a.lesson-curriculum-lesson:hover {
  background: rgba(231, 240, 235, 0.65);
  color: var(--brand-dark);
}

.lesson-curriculum-lesson--current {
  background: var(--lesson-sage);
  color: var(--brand-dark);
}

.lesson-curriculum-lesson--current::before {
  background: var(--brand);
  bottom: 0;
  content: "";
  left: 0;
  position: absolute;
  top: 0;
  width: 3px;
}

.lesson-curriculum-lesson__number {
  align-items: center;
  border: 1px solid #cfd7d2;
  border-radius: 50%;
  color: var(--ink);
  display: inline-flex;
  font-size: 0.73rem;
  font-weight: 750;
  height: 1.75rem;
  justify-content: center;
  width: 1.75rem;
}

.lesson-curriculum-lesson--current .lesson-curriculum-lesson__number {
  background: #dcebe3;
  border-color: #c7ded2;
  color: var(--brand-dark);
}

.lesson-curriculum-lesson__content { min-width: 0; }

.lesson-curriculum-lesson__title {
  display: block;
  font-size: 0.84rem;
  font-weight: 560;
  line-height: 1.35;
}

.lesson-curriculum-lesson--current .lesson-curriculum-lesson__title { font-weight: 800; }

.lesson-curriculum-lesson__playing,
.lesson-curriculum-lesson__status {
  color: var(--brand);
  display: block;
  font-size: 0.6rem;
  font-weight: 850;
  letter-spacing: 0.07em;
  margin-top: 0.25rem;
  text-transform: uppercase;
}

.lesson-curriculum-lesson__status { color: var(--muted); }

.lesson-curriculum-lesson__completed {
  align-items: center;
  background: #deeee5;
  border-radius: 50%;
  color: var(--brand);
  display: inline-flex;
  height: 1.5rem;
  justify-content: center;
  width: 1.5rem;
}

.lesson-curriculum-lesson__completed svg,
.lesson-curriculum-lesson__lock svg {
  fill: none;
  height: 0.95rem;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.3;
  width: 0.95rem;
}

.lesson-curriculum-lesson--unavailable { color: #78817c; }

.lesson-curriculum-lesson__lock {
  align-items: center;
  color: #78817c;
  display: inline-flex;
  justify-content: center;
}

.lesson-learning-main {
  background: #fbfaf7;
  min-width: 0;
  overflow-y: auto;
  padding: 0;
  position: relative;
}

.lesson-learning-toolbar {
  align-items: center;
  background: rgba(251, 250, 247, 0.96);
  border-bottom: 1px solid var(--lesson-border);
  display: flex;
  justify-content: space-between;
  min-height: 5.5rem;
  padding: 0 2.25rem;
  position: sticky;
  top: 0;
  z-index: 20;
}

.lesson-learning-toolbar__context {
  align-items: center;
  display: flex;
  gap: 1.25rem;
}

.lesson-learning-toolbar__context p {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 750;
  margin: 0;
}

.lesson-learning-toolbar__context p span { color: #a4aba7; margin: 0 0.35rem; }

.lesson-learning-toolbar__menu {
  align-items: center;
  background: #fff;
  border: 1px solid var(--lesson-border);
  border-radius: 0.65rem;
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  height: 2.7rem;
  justify-content: center;
  padding: 0;
  width: 2.7rem;
}

.lesson-learning-toolbar__menu:hover { border-color: #b8c3bd; color: var(--brand); }

.lesson-learning-toolbar__menu svg,
.lesson-learning-toolbar__details svg,
.lesson-navigation-button svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.lesson-learning-toolbar__menu svg { height: 1.35rem; width: 1.35rem; }

.lesson-learning-toolbar__details {
  align-items: center;
  color: var(--brand-dark);
  display: inline-flex;
  font-size: 0.88rem;
  font-weight: 750;
  gap: 0.55rem;
  text-decoration: none;
}

.lesson-learning-toolbar__details:hover { color: var(--brand); }

.lesson-learning-toolbar__details svg { height: 1.2rem; width: 1.2rem; }

.lesson-learning-content {
  margin: 0 auto;
  max-width: 1230px;
  padding: 1rem 2.25rem 3rem;
}

.lesson-navigation-status {
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 0.5rem;
  background: #f8fafc;
  color: #334155;
}

.lesson-navigation-status button,
.lesson-navigation-status a {
  margin-left: 0.75rem;
}

.lesson-learning-shell[aria-busy="true"] a[aria-disabled="true"] {
  opacity: 0.6;
  cursor: wait;
}

.lesson-learning-video {
  aspect-ratio: 16 / 9;
  background: #111816;
  border-radius: 0.8rem;
  box-shadow: 0 1rem 2.8rem rgba(24, 33, 29, 0.13);
  overflow: hidden;
  width: 100%;
}

.lesson-learning-video iframe {
  border: 0;
  display: block;
  height: 100%;
  width: 100%;
}

.lesson-course-completion {
  background: linear-gradient(135deg, #f5faf7, #fffdf7);
  border: 1px solid #bfd4c8;
  border-radius: 0.85rem;
  margin-top: 1rem;
  padding: clamp(1.15rem, 3vw, 1.75rem);
}

.lesson-course-completion[hidden] { display: none; }

.lesson-course-completion__eyebrow {
  color: var(--brand);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lesson-course-completion h2 {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
}

.lesson-course-completion p { line-height: 1.55; }

.lesson-course-completion__link {
  background: var(--brand);
  border-radius: 0.65rem;
  color: #fff;
  display: inline-block;
  font-weight: 750;
  padding: 0.8rem 1.25rem;
  text-decoration: none;
}

.lesson-course-completion__link:hover { background: var(--brand-dark); color: #fff; }

.lesson-course-completion :focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 4px;
}

.lesson-preview-access {
  align-items: center;
  background:
    radial-gradient(circle at top right, rgba(240, 177, 64, 0.2), transparent 42%),
    linear-gradient(135deg, #f5faf7 0%, #fffdf7 100%);
  border: 1px solid #bfd4c8;
  border-radius: 0.85rem;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, 0.42fr);
  margin-top: 1rem;
  padding: 1.35rem 1.5rem;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.lesson-preview-access[data-ended="true"] {
  border-color: #d79c2d;
  box-shadow: 0 0 0 4px rgba(215, 156, 45, 0.16), 0 1rem 2.5rem rgba(24, 33, 29, 0.11);
  transform: translateY(-2px);
}

.lesson-preview-access__eyebrow {
  color: var(--brand);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  margin: 0 0 0.35rem;
  text-transform: uppercase;
}

.lesson-preview-access h2 {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.55rem, 2.6vw, 2.1rem);
  line-height: 1.08;
  margin: 0;
}

.lesson-preview-access h2:focus-visible {
  border-radius: 0.2rem;
  outline: 3px solid rgba(19, 105, 78, 0.28);
  outline-offset: 4px;
}

.lesson-preview-access__copy > p:last-child {
  color: var(--muted);
  line-height: 1.55;
  margin: 0.65rem 0 0;
}

.lesson-preview-access__options {
  display: grid;
  gap: 0.65rem;
}

.lesson-preview-access__primary,
.lesson-preview-access__secondary {
  align-items: center;
  border-radius: 0.65rem;
  display: flex;
  justify-content: center;
  min-height: 3rem;
  text-align: center;
  text-decoration: none;
}

.lesson-preview-access__primary {
  background: var(--brand);
  color: #fff;
  flex-direction: column;
  line-height: 1.2;
  padding: 0.7rem 1rem;
}

.lesson-preview-access__primary strong { font-size: 0.78rem; font-weight: 650; opacity: 0.84; }
.lesson-preview-access__primary:hover { background: var(--brand-dark); color: #fff; }

.lesson-preview-access__secondary {
  border: 1px solid #9fb6aa;
  color: var(--brand-dark);
  font-weight: 750;
  padding: 0.65rem 1rem;
}

.lesson-preview-access__secondary:hover { background: #fff; border-color: var(--brand); color: var(--brand); }

.lesson-preview-access__primary:focus-visible,
.lesson-preview-access__secondary:focus-visible {
  outline: 3px solid rgba(19, 105, 78, 0.28);
  outline-offset: 3px;
}

.lesson-learning-controls {
  align-items: center;
  border-bottom: 1px solid var(--lesson-border);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 1rem 0;
}

.lesson-completion-control {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.lesson-completion-button,
.lesson-progress-login,
.lesson-repository-link {
  background: #fff;
  border: 1px solid #b9c6bf;
  border-radius: 0.65rem;
  color: var(--brand-dark);
  display: inline-flex;
  font-size: 0.88rem;
  font-weight: 800;
  padding: 0.7rem 1rem;
  text-decoration: none;
}

.lesson-completion-button:hover,
.lesson-progress-login:hover,
.lesson-repository-link:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.lesson-completion-button[aria-pressed="true"] {
  background: var(--lesson-sage);
  border-color: #a9c6b5;
}

.lesson-auto-advance {
  align-items: center;
  cursor: pointer;
  display: flex;
  gap: 0.8rem;
}

.lesson-auto-advance > span { display: grid; gap: 0.05rem; }
.lesson-auto-advance strong { color: var(--ink); font-size: 0.88rem; }
.lesson-auto-advance small { color: var(--muted); font-size: 0.76rem; }

.lesson-auto-advance input {
  appearance: none;
  background: #c7cfca;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  height: 1.45rem;
  margin: 0;
  padding: 0.18rem;
  transition: background 150ms ease;
  width: 2.7rem;
}

.lesson-auto-advance input::before {
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(17, 32, 25, 0.28);
  content: "";
  display: block;
  height: 1.09rem;
  transition: transform 150ms ease;
  width: 1.09rem;
}

.lesson-auto-advance input:checked { background: var(--brand); }
.lesson-auto-advance input:checked::before { transform: translateX(1.25rem); }
.lesson-auto-advance input:focus-visible { outline: 3px solid rgba(19, 105, 78, 0.28); outline-offset: 2px; }
.lesson-auto-advance input:disabled { cursor: not-allowed; opacity: 0.58; }
}

.lesson-learning-lesson { padding: 1.7rem 0 0.75rem; }

.lesson-learning-lesson__position {
  color: var(--brand);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.11em;
  margin: 0;
  text-transform: uppercase;
}

.lesson-learning-lesson__position span { color: #95a19b; margin: 0 0.3rem; }

.lesson-learning-lesson h2 {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.35rem, 4.6vw, 3.7rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1;
  margin: 0.5rem 0 0;
}

.lesson-learning-navigation {
  align-items: start;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  margin-top: 0.8rem;
}

.lesson-learning-navigation__item {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.lesson-learning-navigation__item--previous { align-items: flex-start; }
.lesson-learning-navigation__item--next { align-items: flex-end; }

.lesson-navigation-button {
  align-items: center;
  border-radius: 0.65rem;
  display: inline-flex;
  font-size: 0.9rem;
  font-weight: 800;
  gap: 0.45rem;
  justify-content: center;
  min-height: 3.25rem;
  min-width: 15rem;
  padding: 0.75rem 1.2rem;
  text-decoration: none;
}

.lesson-navigation-button svg { height: 1.2rem; width: 1.2rem; }

.lesson-navigation-button--secondary {
  background: transparent;
  border: 1px solid #cbd2ce;
  color: var(--brand-dark);
}

a.lesson-navigation-button--secondary:hover {
  background: #fff;
  border-color: #aab7b0;
  color: var(--brand);
}

.lesson-navigation-button--primary {
  background: var(--brand);
  border: 1px solid var(--brand);
  color: #fff;
}

a.lesson-navigation-button--primary:hover {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
  color: #fff;
}

.lesson-navigation-button--disabled {
  background: transparent;
  border-color: #d7dbd8;
  color: #aeb5b1;
  cursor: not-allowed;
}

.lesson-curriculum-overlay {
  background: rgba(16, 27, 22, 0.46);
  border: 0;
  bottom: 0;
  display: none;
  left: 0;
  opacity: 0;
  position: fixed;
  right: 0;
  top: 0;
  transition: opacity 180ms ease;
  visibility: hidden;
  z-index: 25;
}

@media (max-width: 1100px) and (min-width: 901px) {
  .lesson-learning-shell { --lesson-sidebar-width: 340px; }
  .lesson-learning-content { padding-left: 1.5rem; padding-right: 1.5rem; }
  .lesson-learning-toolbar { padding-left: 1.5rem; padding-right: 1.5rem; }
}

@media (max-width: 900px) {
  .lesson-learning-shell { display: block; }

  .lesson-curriculum {
    bottom: 0;
    box-shadow: 1.25rem 0 3rem rgba(18, 32, 26, 0.18);
    left: 0;
    max-width: 90vw;
    position: fixed;
    top: 0;
    transform: translateX(-105%);
    visibility: hidden;
  }

  .lesson-learning-shell[data-curriculum-open="true"] .lesson-curriculum {
    transform: translateX(0);
    visibility: visible;
  }

  .lesson-learning-shell[data-curriculum-collapsed="true"] .lesson-curriculum {
    transform: translateX(-105%);
    visibility: hidden;
  }

  .lesson-curriculum-overlay { display: block; }

  .lesson-learning-shell[data-curriculum-open="true"] .lesson-curriculum-overlay {
    opacity: 1;
    visibility: visible;
  }

  .lesson-learning-main { height: 100dvh; }
  .lesson-learning-toolbar { min-height: 4.75rem; padding: 0 1rem; }
  .lesson-learning-content { padding: 1rem 1rem 2.5rem; }
}

@media (max-width: 575.98px) {
  .lesson-learning-toolbar__context { gap: 0.75rem; }
  .lesson-learning-toolbar__context p { font-size: 0.8rem; }
  .lesson-learning-toolbar__details span { display: none; }
  .lesson-learning-toolbar__details svg { height: 1.3rem; width: 1.3rem; }
  .lesson-learning-video { border-radius: 0.55rem; }
  .lesson-preview-access { grid-template-columns: 1fr; padding: 1.15rem; }
  .lesson-preview-access__options { width: 100%; }
  .lesson-learning-lesson { padding-top: 1.35rem; }
  .lesson-learning-lesson h2 { font-size: 2.35rem; }
  .lesson-learning-controls { align-items: stretch; flex-direction: column; }
  .lesson-auto-advance { justify-content: space-between; }

  .lesson-learning-navigation {
    gap: 0.75rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lesson-navigation-button {
    min-width: 0;
    padding: 0.65rem 0.7rem;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lesson-learning-shell,
  .lesson-curriculum,
  .lesson-curriculum-overlay,
  .lesson-curriculum-section__chevron,
  .lesson-curriculum-lesson { transition: none; }
}

.coupon-form { margin-block: 1rem; }
.coupon-form > label { display: block; font-weight: 600; margin-bottom: .5rem; }
.coupon-form__controls { display: flex; flex-wrap: wrap; gap: .5rem; }
.coupon-form__controls input { flex: 1 1 10rem; min-width: 0; border: 1px solid #b8c5d4; border-radius: .5rem; padding: .65rem; }
.coupon-form [data-coupon-status] { margin-top: .65rem; }
.coupon-table-scroll { overflow-x: auto; }
[hidden] { display: none !important; }
.refund-details {
    padding: 1.5rem;
}

.refund-details form {
    margin: 1.5rem 0;
}

.refund-link {
    padding: 0 1.5rem 1.5rem;
}

.home-newsletter { margin-top: 3rem; padding: clamp(1.5rem, 4vw, 3rem); border-radius: 1rem; background: #eef4fb; }
.home-newsletter h2 { max-width: 38rem; }
.newsletter-form { max-width: 42rem; margin-top: 1.5rem; }
.newsletter-form > label { display: block; font-weight: 600; margin-bottom: .5rem; }
.newsletter-form__controls { display: flex; flex-wrap: wrap; gap: .75rem; }
.newsletter-form__controls input { flex: 1 1 15rem; min-width: 0; border: 1px solid #b8c5d4; border-radius: .5rem; padding: .8rem; }
.newsletter-form__controls button { flex: 1 1 auto; }
.newsletter-form__privacy { margin-top: 1rem; font-size: .875rem; }
.newsletter-form [data-newsletter-status] { margin: 1rem 0 0; font-weight: 600; }