/* Reading, orientation and continuation for both Academy paths. */
.ac-reading .ac-hero { max-width: none; padding: 1.6rem 1.8rem; background: var(--product-tint); border-top: 4px solid var(--product-accent); border-radius: var(--r-sm); margin-bottom: 2rem; }
.ac-reading .ac-hero h1 { max-width: 900px; font-size: clamp(2.25rem,4.2vw,3.5rem); line-height: 1.1; }
.ac-reading .ac-hero > p { max-width: 740px; }
.ac-reading .ac-hero .product-kicker { font-size: .72rem; }
.ac-reading .ac-hero .ac-lesson-position { font-size: .76rem; font-weight: 600; color: var(--ink-70); margin: 1.1rem 0 .6rem; }
.ac-reading .ac-hero .ac-byline { margin-top: 1rem; }
.ac-reading .ac-hero-action a { padding: .65rem .9rem; border: 1px solid var(--keyline); border-radius: var(--r-sm); background: var(--surface); color: var(--ink); text-decoration: none; min-height: 44px; }
.ac-reading .ac-hero-action a:hover { background: var(--wash-2); }
.ac-reading .ac-split { grid-template-columns: minmax(0,1fr) 280px; gap: 2.5rem; }
.ac-reading .ac-article { grid-column: 1; grid-row: 1; }
.ac-reading .ac-article > p, .ac-reading .ac-article > ul > li, .ac-reading .ac-article > ol > li { font-size: 1rem; line-height: 1.8; }
.ac-reading .ac-article > h2 { font-size: 1.85rem; margin-top: 2.5rem; }
.ac-reading .ac-answer { background: var(--surface); border-left: 4px solid var(--product-accent); border-radius: var(--r-sm); padding: 1.2rem 1.35rem; margin: 0 0 2rem !important; }
.ac-reading .ac-answer > strong:first-child { display: block; margin-bottom: .45rem; font-size: 1.13rem; line-height: 1.55; }
.ac-reading .ac-rail { grid-column: 2; grid-row: 1; border: 1px solid var(--rule); border-top: 3px solid var(--product-accent); border-radius: var(--r-sm); background: var(--surface); padding: 0; top: 6rem; max-height: calc(100vh - 7rem); overflow-y: auto; }
.ac-path-menu > summary { display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: 1rem; cursor: pointer; list-style: none; }
.ac-path-menu > summary::-webkit-details-marker { display: none; }
.ac-path-menu summary strong { display: block; font-size: .95rem; margin: .25rem 0; }
.ac-menu-kicker { font-size: .66rem; text-transform: uppercase; letter-spacing: .09em; color: var(--ink-70); font-weight: 700; }
.ac-path-menu summary small { display: block; color: var(--ink-70); font-size: .72rem; }
.ac-menu-toggle { font-size: 1.3rem; line-height: 1; }
.ac-path-menu[open] .ac-menu-toggle { transform: rotate(45deg); }
.ac-reading .ac-rail ol { list-style: none; padding: .1rem .6rem .6rem; margin: 0; }
.ac-reading .ac-rail li { margin: .15rem 0; }
.ac-reading .ac-rail li a { display: flex; align-items: flex-start; gap: .65rem; padding: .65rem .5rem; min-height: 44px; border-radius: var(--r-sm); font-size: .78rem; line-height: 1.45; }
.ac-reading .ac-rail li a:hover { background: var(--wash-2); }
.ac-reading .ac-rail [aria-current=page] { background: var(--product-tint); color: var(--ink); border-left: 3px solid var(--product-accent); }
.ac-rail-number { flex: 0 0 1.15rem; text-align: center; font-variant-numeric: tabular-nums; font-weight: 700; color: var(--ink-70); }
.ac-reading .ac-rail li small { display: block; font-size: .66rem; font-weight: 400; margin-top: .25rem; }
.ac-reading .ac-path-overview { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin: 0 1rem; padding: .85rem 0; border-top: 1px solid var(--rule); font-size: .75rem; color: var(--ink); }
.ac-path-overview .product-icon { width: 17px; height: 17px; }
.ac-reading .ac-quiz { box-shadow: none; border-color: var(--rule); border-top: 3px solid var(--product-accent); margin-right: 0; padding: 1.5rem; }
.ac-reading .ac-quiz h2 { font-size: 1.8rem; }
.ac-reading .ac-option { min-height: 44px; line-height: 1.5; }
.ac-reading .ac-quiz button { min-height: 44px; }
.ac-reading-next { margin-top: 2.5rem; }
.ac-reading .ac-next-lesson { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.25rem 1.4rem; background: var(--product-tint); border: 1px solid var(--rule); border-left: 4px solid var(--product-accent); border-radius: var(--r-sm); color: var(--ink); text-decoration: none; }
.ac-reading .ac-next-lesson:hover { border-color: var(--product-accent); }
.ac-next-lesson small { display: block; font: 600 .7rem var(--font-body); color: var(--ink-70); margin-bottom: .4rem; }
.ac-next-lesson strong { display: block; font: 600 1.55rem/1.2 var(--font-display); }
.ac-reading-back { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1.5rem; padding: .75rem 0; }
.ac-reading-back a { font-size: .75rem; padding: .5rem 0; }
.ac-reading :focus-visible { outline: 3px solid var(--info); outline-offset: 3px; }
.ac-reading :is(h2, .ac-quiz, .ac-journey-card) { scroll-margin-top: 6rem; }
@media(max-width: 820px) {
  .ac-reading .ac-split { grid-template-columns: 1fr; gap: 1.5rem; }
  .ac-reading .ac-rail, .ac-reading .ac-article { grid-column: auto; grid-row: auto; }
  .ac-reading .ac-rail { position: static; max-height: none; overflow: visible; }
  .ac-reading .ac-rail ol { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .2rem .5rem; }
  .ac-path-menu summary > span:first-child { display: flex; flex-wrap: wrap; align-items: baseline; gap: .2rem .75rem; }
  .ac-menu-kicker { flex-basis: 100%; }
  .ac-reading .ac-hero { margin-bottom: 1.25rem; }
}
@media(max-width: 520px) {
  .ac-reading { padding-top: 1rem; }
  .ac-reading .ac-breadcrumb { margin-bottom: 1.1rem; }
  .ac-reading .ac-hero { padding: 1rem; }
  .ac-reading .ac-hero h1 { font-size: 2rem; }
  .ac-reading .ac-hero > p { font-size: .95rem; }
  .ac-reading .ac-hero .ac-byline { font-size: .72rem; }
  .ac-reading .product-icon-tile { width: 38px; height: 38px; }
  .ac-reading .ac-rail ol { grid-template-columns: 1fr; }
  .ac-reading .ac-answer, .ac-reading .ac-quiz { padding: 1rem; }
  .ac-reading .ac-next-lesson { padding: 1rem; }
}