/**
 * Ghada Ataa — Course detail page. Same studio language as courses.html (stairs, purple, lime notes),
 * a sticky purchase panel on desktop, an accordion curriculum. Reuses store.css (crumbs, empty, sticky bar)
 * and courses-page.css (meta chips, discount pill, closing steps).
 */
.ga-cd > section > .ga-container, .ga-cd > .ga-cd-body > .ga-container {
  padding-inline: min(var(--ga-page-margin), var(--ga-space-400));
  max-inline-size: calc(var(--ga-layout-max-width-wide) + 2 * var(--ga-space-400));
}
.ga-cd > section, .ga-cd > .ga-cd-body { padding-block: 0 var(--ga-section-space); }
.ga-cd > [hidden] { display: none; }
.ga-cd > .ga-cd-hero { padding-block: var(--ga-space-400) var(--ga-space-600); }

.ga-cd-h2 { margin: 0 0 var(--ga-space-300); font: var(--ga-type-heading-h2); }
.ga-cd-h2 span { color: var(--ga-color-brand-electric-orange); }

/* ═════════ Hero ═════════ */
.ga-cd-hero .ga-st-crumbs ol { margin-block-end: var(--ga-space-300); }
.ga-cd-hero .ga-st-crumbs li[aria-current] { max-inline-size: 32ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ga-cd-hero__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: var(--ga-space-600); align-items: center; }
.ga-cd-hero__text { container-type: inline-size; display: grid; justify-items: start; gap: var(--ga-space-200); min-inline-size: 0; }
.ga-cd-topic { margin: 0; }
.ga-cd-topic a { display: inline-block; padding: 4px 12px; border-radius: 8px; background: var(--ga-color-brand-vivid-purple-12); color: var(--ga-color-brand-vivid-purple); font: var(--ga-type-label-default); font-weight: 700; text-decoration: none; }
.ga-cd-topic a:hover { background: var(--ga-color-brand-vivid-purple-20); }
.ga-cd-title { margin: 0; font: var(--ga-type-display-hero); font-size: min(var(--ga-type-display-hero-font-size), 9cqi); line-height: 1.25; text-wrap: balance; }
.ga-cd-desc { margin: 0; font: var(--ga-type-body-large); color: var(--ga-text-muted); max-inline-size: 52ch; }
.ga-cd-points { display: grid; grid-template-columns: 1fr 1fr; gap: var(--ga-space-100) var(--ga-space-300); margin: var(--ga-space-100) 0 0; padding: 0; list-style: none; font: var(--ga-type-body-default); font-weight: 600; }
.ga-cd-points:empty { display: none; }
.ga-cd-points li { display: flex; gap: var(--ga-space-100); }
.ga-cd-points li::before { content: "✳"; color: var(--ga-color-brand-electric-orange); flex: none; }
.ga-cd-hero__actions { display: flex; flex-wrap: wrap; gap: var(--ga-space-200); margin-block-start: var(--ga-space-200); }

.ga-cd-art { position: relative; margin: 0; aspect-ratio: 5 / 4; }
.ga-cd-art__img {
  position: absolute; inset: 6% 4% 8% 10%;
  border-radius: 28px 28px 28px 120px; overflow: hidden;
  background: var(--ga-color-text-deep-ink-06);
  box-shadow: -20px 20px 0 var(--ga-color-brand-vivid-purple);
}
.ga-cd-art__img img { inline-size: 100%; block-size: 100%; object-fit: cover; display: block; }
.ga-cd-art__img.is-noimg { background: var(--ga-color-accent-fresh-lime); }
.ga-cd-art__note { position: absolute; z-index: 2; inset-block-start: 0; inset-inline-end: 0; padding: 8px 16px; border-radius: 12px; background: var(--ga-color-accent-fresh-lime); font: var(--ga-type-heading-h4); rotate: 5deg; }
.ga-cd-art__note:empty { display: none; }
.ga-cd-art__bubble { position: absolute; z-index: 2; inset-block-end: 0; inset-inline-start: 2%; inline-size: 104px; block-size: 52px; border-radius: 18px 18px 18px 4px; background: var(--ga-color-accent-pop-pink); }
.ga-cd-art__dot { position: absolute; z-index: -1; inset-block-start: 14%; inset-inline-start: 0; inline-size: 72px; aspect-ratio: 1; border-radius: 50%; background: var(--ga-color-brand-electric-orange); }

/* ═════════ Layout: content + sticky panel ═════════ */
.ga-cd-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; grid-template-areas: "content buy"; gap: var(--ga-space-600); align-items: start; }
.ga-cd-content { grid-area: content; display: grid; gap: var(--ga-space-800); min-inline-size: 0; }
.ga-cd-buy {
  grid-area: buy; position: sticky; inset-block-start: var(--ga-space-300);
  display: grid; gap: var(--ga-space-200);
  padding: var(--ga-space-400);
  border-radius: 24px;
  background: var(--ga-color-functional-white);
  box-shadow: inset 0 0 0 1.5px var(--ga-color-text-deep-ink), 10px 10px 0 var(--ga-color-accent-fresh-lime);
  outline: none;
}
.ga-cd-buy:focus-visible { box-shadow: inset 0 0 0 3px var(--ga-border-focus), 10px 10px 0 var(--ga-color-accent-fresh-lime); }
.ga-cd-price { display: flex; align-items: baseline; flex-wrap: wrap; gap: var(--ga-space-100); margin: 0; }
.ga-cd-price b { font: var(--ga-type-heading-h2); }
.ga-cd-price--big b { font: var(--ga-type-heading-h1); }
.ga-cd-price s { color: var(--ga-text-muted); font: var(--ga-type-body-default); }
.ga-cd-price__free { color: var(--ga-color-functional-success); }
.ga-cd-buy__facts { display: grid; gap: 6px; margin: 0; padding: 0 0 var(--ga-space-200); list-style: none; border-block-end: 1px dashed var(--ga-border-default); font: var(--ga-type-body-small); color: var(--ga-text-muted); }
.ga-cd-buy__facts b { color: var(--ga-text-primary); }
.ga-cd-buy__actions { display: grid; gap: var(--ga-space-100); }
.ga-cd-cta { inline-size: 100%; }
.ga-cd-cta.is-in { --_bg: var(--ga-color-functional-success); }
.ga-cd-buy__alt { justify-self: center; font-size: 14px; }
.ga-cd-buy__status { margin: 0; font: var(--ga-type-body-small); font-weight: 700; color: var(--ga-color-brand-vivid-purple); }
.ga-cd-buy__status:empty { display: none; }
.ga-cd-buy__note { margin: 0; font-size: 13px; line-height: 22px; color: var(--ga-text-muted); }

/* ═════════ Content sections ═════════ */
.ga-cd-sec { scroll-margin-block-start: var(--ga-space-300); outline: none; }
.ga-cd-sec__head { display: flex; align-items: baseline; flex-wrap: wrap; gap: var(--ga-space-100) var(--ga-space-300); margin-block-end: var(--ga-space-300); }
.ga-cd-sec__head .ga-cd-h2 { margin: 0; }
.ga-cd-sec__head .ga-btn { margin-inline-start: auto; }
.ga-cd-quote { margin: 0 0 var(--ga-space-200); padding-inline-start: var(--ga-space-300); border-inline-start: 5px solid var(--ga-color-accent-fresh-lime); font: var(--ga-type-heading-h3); font-weight: 600; line-height: 1.7; max-inline-size: 40ch; }
.ga-cd-quote p { margin: 0; }
.ga-cd-p { margin: 0; font: var(--ga-type-body-large); color: var(--ga-text-muted); max-inline-size: 62ch; }
.ga-cd-p:empty { display: none; }
.ga-cd-audio { display: grid; gap: var(--ga-space-100); margin-block-start: var(--ga-space-300); padding: var(--ga-space-200) var(--ga-space-300); border-radius: 16px; background: var(--ga-color-text-deep-ink-06); }
.ga-cd-audio[hidden] { display: none; }
.ga-cd-audio__label { margin: 0; font: var(--ga-type-body-small); font-weight: 700; }
.ga-cd-audio audio { inline-size: 100%; }
.ga-cd-src { margin: var(--ga-space-200) 0 0; font: var(--ga-type-body-small); color: var(--ga-text-muted); }

.ga-cd-learn { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-block-start: 2px solid var(--ga-color-text-deep-ink); }
.ga-cd-learn__item { display: grid; grid-template-columns: 48px minmax(0, 1fr); align-items: baseline; gap: var(--ga-space-200); padding-block: var(--ga-space-200); border-block-end: 1px solid var(--ga-border-default); font: var(--ga-type-heading-h4); }
.ga-cd-learn__n { font-size: 14px; font-weight: 700; color: var(--ga-color-brand-electric-orange); }
.ga-cd-learn__item:nth-child(2) span:last-child { background: linear-gradient(var(--ga-color-accent-fresh-lime), var(--ga-color-accent-fresh-lime)) right 90% / 100% 35% no-repeat; justify-self: start; }

.ga-cd-cur__sum { margin: 0; font: var(--ga-type-body-small); font-weight: 600; color: var(--ga-text-muted); }
.ga-cd-modules { display: grid; gap: var(--ga-space-200); }
.ga-cd-module { border-radius: 16px; background: var(--ga-color-functional-white); box-shadow: inset 0 0 0 1px var(--ga-border-default); overflow: hidden; }
.ga-cd-module.is-open { box-shadow: inset 0 0 0 1.5px var(--ga-color-text-deep-ink); }
.ga-cd-module__h { margin: 0; }
.ga-cd-module__btn {
  display: grid; grid-template-columns: minmax(0, 1fr) auto 24px; align-items: center; gap: var(--ga-space-200);
  inline-size: 100%; padding: var(--ga-space-200) var(--ga-space-300);
  border: 0; background: none; color: var(--ga-text-primary); text-align: start; cursor: pointer;
  font-family: var(--ga-font-family);
}
.ga-cd-module__btn:focus-visible { outline: var(--ga-focus-ring-width) solid var(--ga-border-focus); outline-offset: -4px; border-radius: 16px; }
.ga-cd-module__title { font: var(--ga-type-heading-h4); }
.ga-cd-module__count { font: var(--ga-type-body-small); font-weight: 600; color: var(--ga-text-muted); }
.ga-cd-module__chev { inline-size: 24px; block-size: 24px; transition: rotate var(--ga-motion-duration-base) ease; }
.ga-cd-module.is-open .ga-cd-module__chev { rotate: 180deg; }
.ga-cd-module__panel { padding: 0 var(--ga-space-300) var(--ga-space-200); }
.ga-cd-module__panel[hidden] { display: none; }
.ga-cd-items { margin: 0; padding: 0; list-style: none; }
.ga-cd-item { display: grid; grid-template-columns: 36px minmax(0, 1fr) auto 16px; align-items: center; gap: var(--ga-space-200); padding-block: 10px; border-block-start: 1px dashed var(--ga-border-default); font: var(--ga-type-body-default); }
.ga-cd-item__ico { display: grid; place-items: center; inline-size: 32px; block-size: 28px; border-radius: 8px; background: var(--ga-color-text-deep-ink-06); font-size: 12px; font-weight: 700; }
.ga-cd-item--quiz { background: color-mix(in srgb, var(--ga-color-accent-fresh-lime) 22%, transparent); margin-inline: calc(-1 * var(--ga-space-100)); padding-inline: var(--ga-space-100); border-radius: 8px; }
.ga-cd-item--quiz .ga-cd-item__ico { background: var(--ga-color-accent-fresh-lime); }
.ga-cd-item--quiz .ga-cd-item__title { font-weight: 700; }
.ga-cd-item__meta { font-size: 12px; font-weight: 600; color: var(--ga-text-muted); white-space: nowrap; }
.ga-cd-item__lock { inline-size: 16px; block-size: 16px; color: var(--ga-text-disabled); }
.ga-cd-items__note { display: flex; align-items: center; gap: 6px; margin: var(--ga-space-200) 0 0; font-size: 13px; color: var(--ga-text-muted); }
.ga-cd-items__note svg { inline-size: 16px; block-size: 16px; }

.ga-cd-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--ga-space-300); margin: 0; padding: 0; list-style: none; counter-reset: none; }
.ga-cd-step { display: grid; align-content: start; gap: 4px; padding-block-start: var(--ga-space-200); border-block-start: 3px solid var(--ga-color-brand-vivid-purple); }
.ga-cd-step:nth-child(2) { border-color: var(--ga-color-brand-electric-orange); }
.ga-cd-step:nth-child(3) { border-color: var(--ga-color-accent-pop-pink); }
.ga-cd-step__n { font-size: 13px; font-weight: 700; color: var(--ga-text-muted); }
.ga-cd-step__t { font: var(--ga-type-heading-h4); }
.ga-cd-step__d { font: var(--ga-type-body-small); color: var(--ga-text-muted); }
.ga-cd-step--link { grid-column: 1 / -1; border: 0; padding: 0; }
.ga-cd-step--link a { display: inline-flex; align-items: center; gap: 6px; color: var(--ga-color-brand-vivid-purple); font: var(--ga-type-label-default); font-weight: 700; text-underline-offset: 6px; border-radius: 4px; }
.ga-cd-step--link svg { inline-size: 16px; block-size: 16px; }

/* ═════════ Related ═════════ */
.ga-cd-related__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--ga-space-400); align-items: start; }
.ga-cd-related__courses { display: grid; margin: 0; padding: 0; list-style: none; border-block-start: 2px solid var(--ga-color-text-deep-ink); }
.ga-cd-rel { display: grid; grid-template-columns: minmax(0, 1fr) auto 40px; grid-template-areas: "kind price arrow" "title price arrow"; align-items: center; gap: 2px var(--ga-space-200); padding-block: var(--ga-space-200); border-block-end: 1px solid var(--ga-border-default); color: inherit; text-decoration: none; border-radius: 4px; }
.ga-cd-rel:focus-visible, .ga-cd-relbook:focus-visible, .ga-cd-relpost:focus-visible { outline: var(--ga-focus-ring-width) solid var(--ga-border-focus); outline-offset: 3px; }
.ga-cd-rel__kind { grid-area: kind; font-size: 12px; font-weight: 700; color: var(--ga-color-brand-vivid-purple); }
.ga-cd-rel__title { grid-area: title; font: var(--ga-type-heading-h4); }
.ga-cd-rel__price { grid-area: price; font: var(--ga-type-label-default); font-weight: 700; white-space: nowrap; }
.ga-cd-rel__arrow { grid-area: arrow; display: grid; place-items: center; inline-size: 40px; block-size: 40px; border-radius: var(--ga-radius-sm); background: var(--ga-color-text-deep-ink-06); }
.ga-cd-rel__arrow svg { inline-size: 20px; block-size: 20px; }
.ga-cd-rel:hover .ga-cd-rel__arrow { background: var(--ga-color-brand-vivid-purple); color: var(--ga-color-functional-white); }
.ga-cd-related__more { display: grid; gap: var(--ga-space-200); }
.ga-cd-relbook { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: var(--ga-space-200); align-items: center; padding: var(--ga-space-200); border-radius: 16px; background: color-mix(in srgb, var(--ga-color-brand-electric-orange) 18%, var(--ga-color-surface-warm-paper)); color: inherit; text-decoration: none; }
.ga-cd-relbook__cover img { display: block; inline-size: 72px; block-size: auto; border-radius: 3px; box-shadow: 0 8px 16px rgb(38 29 48 / .2); }
.ga-cd-relbook__text { display: grid; gap: 2px; }
.ga-cd-relbook__text .ga-cd-rel__price { font-weight: 600; color: var(--ga-text-muted); }
.ga-cd-relpost { display: grid; gap: 4px; padding: var(--ga-space-200) var(--ga-space-300); border-radius: 16px; background: color-mix(in srgb, var(--ga-color-accent-pop-pink) 14%, var(--ga-color-surface-warm-paper)); color: inherit; text-decoration: none; }
.ga-cd-relpost__ex { font: var(--ga-type-body-small); color: var(--ga-text-muted); }
.ga-cd-relbook:hover, .ga-cd-relpost:hover { box-shadow: inset 0 0 0 1.5px var(--ga-color-text-deep-ink); }

/* ═════════ Final CTA ═════════ */
.ga-cd-final__panel {
  --ga-focus-ring-color: var(--ga-color-functional-white);
  position: relative; isolation: isolate; overflow: hidden; container-type: inline-size;
  display: grid; justify-items: start; gap: var(--ga-space-200);
  padding: var(--ga-space-800); border-radius: 32px;
  background: var(--ga-color-brand-vivid-purple); color: var(--ga-color-functional-white);
}
.ga-cd-final__eyebrow { margin: 0; font: var(--ga-type-label-default); color: var(--ga-color-accent-fresh-lime); }
.ga-cd-final__title { margin: 0 0 var(--ga-space-200); font: var(--ga-type-heading-h1); max-inline-size: 22ch; text-wrap: balance; }
.ga-cd-final__actions .ga-btn--brand { --_bg: var(--ga-color-functional-white); --_image: none; --_fg: var(--ga-color-brand-vivid-purple); }
.ga-cd-final__actions .ga-cd-cta { inline-size: auto; }

/* mobile purchase bar: only where the panel is not sticky */
.ga-cd-sticky .ga-btn { white-space: nowrap; }
.ga-cd-sticky .ga-cd-cta { inline-size: auto; }

/* ═════════ Responsive ═════════ */
@media (max-width: 1199px) {
  .ga-cd-layout { grid-template-columns: minmax(0, 1fr) 300px; gap: var(--ga-space-400); }
  .ga-cd-buy { padding: var(--ga-space-300); }
  .ga-cd-final__panel { padding: var(--ga-space-600); border-radius: 28px; }
}
@media (min-width: 1024px) { .ga-cd-sticky { display: none; } }
@media (max-width: 1023px) {
  .ga-cd-hero__grid { grid-template-columns: minmax(0, 1fr); gap: var(--ga-space-400); }
  .ga-cd-art { order: -1; max-inline-size: 560px; inline-size: 100%; justify-self: center; aspect-ratio: 16 / 10; }
  .ga-cd-layout { grid-template-columns: minmax(0, 1fr); grid-template-areas: "buy" "content"; }
  .ga-cd-buy { position: static; box-shadow: inset 0 0 0 1.5px var(--ga-color-text-deep-ink), 6px 6px 0 var(--ga-color-accent-fresh-lime); }
  .ga-cd-related__grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 767px) {
  .ga-cd > .ga-cd-hero { padding-block-start: var(--ga-space-200); }
  .ga-cd-title { font: var(--ga-type-heading-h1); }
  .ga-cd-desc { font: var(--ga-type-body-default); }
  .ga-cd-points { grid-template-columns: minmax(0, 1fr); }
  .ga-cd-hero__actions .ga-btn { flex: 1 1 100%; }
  .ga-cd-art__img { border-radius: 20px 20px 20px 72px; box-shadow: -12px 12px 0 var(--ga-color-brand-vivid-purple); }
  .ga-cd-art__bubble { inline-size: 72px; block-size: 36px; }
  .ga-cd-content { gap: var(--ga-space-600); }
  .ga-cd-h2 { font: var(--ga-type-heading-h3); }
  .ga-cd-quote { font: var(--ga-type-heading-h4); line-height: 1.8; padding-inline-start: var(--ga-space-200); }
  .ga-cd-p { font: var(--ga-type-body-default); }
  .ga-cd-learn__item { grid-template-columns: 32px minmax(0, 1fr); font: var(--ga-type-body-large); font-weight: 600; }
  .ga-cd-module__btn { grid-template-columns: minmax(0, 1fr) 24px; padding: var(--ga-space-200); }
  .ga-cd-module__count { grid-row: 2; }
  .ga-cd-module__chev { grid-row: 1 / span 2; grid-column: 2; }
  .ga-cd-module__panel { padding-inline: var(--ga-space-200); }
  .ga-cd-item { grid-template-columns: 32px minmax(0, 1fr) 16px; row-gap: 0; font: var(--ga-type-body-small); }
  .ga-cd-item__meta { grid-row: 2; grid-column: 2; }
  .ga-cd-item__lock { grid-row: 1 / span 2; grid-column: 3; }
  .ga-cd-item__ico { grid-row: 1 / span 2; }
  .ga-cd-steps { grid-template-columns: minmax(0, 1fr); gap: var(--ga-space-200); }
  .ga-cd-final__panel { padding: var(--ga-space-500) var(--ga-space-300) var(--ga-space-800); border-radius: 24px; }
  .ga-cd-final__actions, .ga-cd-final__actions .ga-cd-cta { inline-size: 100%; }
  .ga-cd-sticky__text b { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  .ga-cd-module__chev { transition: none; }
}