/* @license proprietary — © 2026 Гореньков М. С. / КарЧоо */
.home-course { scroll-margin-top: 100px; padding-bottom: 30px; }
.home-course-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.home-course-heading h2 { margin-bottom: 10px; }
.home-course-heading .section-sub { margin: 0; max-width: 650px; }
.home-course-duration { flex: none; display: inline-flex; align-items: center; gap: 9px; padding: 9px 12px; border: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: 12px; font-weight: 600; white-space: nowrap; }
.home-course-duration > span { color: var(--accent); font-size: 10px; }
.home-course-grid { display: grid; grid-template-columns: minmax(0, 1.85fr) minmax(320px, 1fr); align-items: start; gap: 24px; }
.home-course-main { min-width: 0; }
.home-course-slot { position: relative; aspect-ratio: 16 / 9; background: #163c38; }
.home-course-player { width: 100%; box-shadow: 0 12px 32px rgba(28, 36, 34, .12); background: #102b28; }
.home-course-screen { position: relative; aspect-ratio: 16 / 9; background: #102b28; }
.home-course-screen video { display: block; width: 100%; height: 100%; object-fit: contain; }
.home-course button { font: inherit; cursor: pointer; }
.home-course button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.home-course-start[hidden], .home-course-status[hidden], .home-course-placeholder[hidden] { display: none; }
.home-course-caption { display: flex; align-items: center; gap: 9px; padding: 13px 15px; border: 1px solid var(--line); border-top: 0; background: var(--surface); font-size: 12px; color: var(--muted); }
.home-course-dot { width: 6px; height: 6px; flex: none; border-radius: 50%; background: var(--accent); }
#homeCourseCaption { flex: 1; }
#homeCourseTime { flex: none; font-variant-numeric: tabular-nums; font-size: 11px; }
.home-course-follow-note { margin: 12px 0 0; font-size: 12px; color: var(--muted); }
.home-course-chapters { border: 1px solid var(--line); background: var(--surface); }
.home-course-chapters-head { padding: 18px 20px 14px; border-bottom: 1px solid var(--line); }
.home-course-chapters-head h3 { margin: 0 0 2px; font-size: 17px; }
.home-course-chapters-head > span { font-size: 12px; color: var(--muted); }
.home-course-chapters ol { list-style: none; padding: 0; margin: 0; }
.home-course-chapters li + li { border-top: 1px solid var(--line); }
.home-course-chapters button { display: grid; grid-template-columns: 23px minmax(0, 1fr) auto; align-items: center; gap: 12px; width: 100%; padding: 13px 18px; color: var(--ink); text-align: left; border: 0; background: transparent; transition: background .15s; }
.home-course-chapters button:hover { background: #f0f6f3; }
.home-course-chapters button[aria-current="step"] { background: var(--accent-soft); box-shadow: inset 3px 0 var(--accent); }
.home-course-chapter-num { color: var(--accent); font-size: 11px; font-weight: 650; font-variant-numeric: tabular-nums; }
.home-course-chapters strong { display: block; font-size: 13px; font-weight: 650; }
.home-course-chapters small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; line-height: 1.4; }
.home-course-chapters time { align-self: start; margin-top: 2px; color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.home-course-try { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 20px; border-top: 1px solid var(--line); font-size: 13px; font-weight: 650; text-decoration: none; }
.home-course-try:hover { background: var(--accent-soft); }
.home-course-mini-bar { display: none; }
.home-course-player.is-floating { position: fixed; right: max(20px, env(safe-area-inset-right)); bottom: calc(var(--course-bottom, 20px) + env(safe-area-inset-bottom)); width: min(360px, calc(100vw - 32px)); z-index: 80; overflow: hidden; border: 1px solid #36554e; border-radius: 10px; box-shadow: 0 12px 50px rgba(10, 32, 28, .3); }
.home-course-player.is-floating .home-course-mini-bar { display: flex; align-items: center; gap: 2px; padding: 2px 4px; color: #fff; background: #173d37; }
.home-course-mini-bar button { min-width: 36px; min-height: 36px; padding: 5px 8px; background: transparent; border: 0; color: inherit; font-size: 16px; }
.home-course-mini-bar button:hover { background: rgba(255, 255, 255, .12); border-radius: 5px; }
.home-course-mini-bar .home-course-return { flex: 1; text-align: left; font-size: 12px; }
.home-course-mini-bar .home-course-return span { float: right; margin-left: 8px; }
.home-course-mini-bar .home-course-close { font-size: 24px; }
.home-course-placeholder { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 18px; background: #e8efeb; border: 1px solid var(--line); color: var(--muted); text-align: center; }
.home-course-placeholder > span { color: var(--accent); font-size: 30px; }
.home-course-placeholder p { margin: 0; font-size: 14px; }
.home-course-restore { border: 0; padding: 8px 12px; background: transparent; color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.home-course-status { position: absolute; left: 12px; right: 12px; bottom: 12px; margin: 0; padding: 10px 12px; color: #fff; background: #173d37; font-size: 12px; pointer-events: none; }
@media (max-width: 1100px) {
  .home-course-grid { grid-template-columns: minmax(0, 1.6fr) minmax(300px, 1fr); gap: 18px; }
  .home-course-heading { align-items: flex-start; flex-direction: column; gap: 15px; }
}
@media (max-width: 820px) {
  .home-course-grid { grid-template-columns: minmax(0, 1fr); }
  .home-course-chapters ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-course-chapters li + li { border-top: 0; }
  .home-course-chapters li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .home-course-chapters li:nth-child(even) { border-left: 1px solid var(--line); }
  .home-course-chapters button { height: 100%; }
}
@media (max-width: 560px) {
  .home-course { scroll-margin-top: 20px; padding-top: 38px; }
  .home-course-heading { gap: 14px; margin-bottom: 20px; }
  .home-course-heading h2 { font-size: 27px; line-height: 1.15; }
  .home-course-heading .section-sub { font-size: 15px; }
  .home-course-duration { font-size: 11px; padding: 7px 10px; }
  .home-course-caption { padding: 11px 10px; font-size: 11px; }
  .home-course-follow-note { max-width: 34ch; line-height: 1.5; }
  .home-course-chapters ol { grid-template-columns: minmax(0, 1fr); }
  .home-course-chapters li + li { border-top: 1px solid var(--line); }
  .home-course-chapters li:nth-child(even) { border-left: 0; }
  .home-course-chapters button { padding: 13px 16px; }
  .home-course-player.is-floating { right: max(12px, env(safe-area-inset-right)); width: min(268px, calc(100vw - 24px)); }
}
@media (prefers-reduced-motion: reduce) {
  .home-course-chapters button { transition: none; }
}

/* Та же обложка, что в приложении: пропорциональный масштаб от 960px. */
.home-course-screen { container-type: inline-size; overflow: hidden; border-radius: 12px 12px 0 0; --video-cover-unit: .104166667cqw; }
.home-course-start.app-intro-video-start:focus-visible { outline: none; }
.home-course-player.is-floating .home-course-screen { border-radius: 0; }

.home-course-start.app-intro-video-start { line-height: 1.4; }

/* Список содержания без старых таймкодов. */
.home-course-outline { display:grid; grid-template-columns:23px minmax(0,1fr); align-items:center; gap:12px; padding:13px 18px; }