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.t-preview__chapter--active{color:#2f3d08;background:#7498122e;border-color:#749812b3;font-weight:600;box-shadow:0 1px 6px #7498122e}:root[data-theme=light] .t-preview__dot{color:#0d1411;border-color:#0d141173}:root[data-theme=light] .t-preview__dot--done,:root[data-theme=light] .t-preview__dot--seen{color:#fff;background:#0d1411;border-color:#0d1411}:root[data-theme=light] .t-preview__dot--active{color:#0d1411;background:0 0;border-color:#0d1411}:root[data-theme=light] .t-preview__seen{color:#fff;background:#0d1411;border-color:#0d1411}.t-curriculum{margin-top:7rem;scroll-margin-top:80px}@media (max-width:720px){.t-curriculum{margin-top:5rem}}.t-curriculum__heading{border-bottom:1px solid 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(max-width:960px){.t-sidebar{position:static;top:auto}}.t-sidebar__title{letter-spacing:.14em;text-transform:uppercase;color:var(--fg-subtle);margin-bottom:.5rem;padding:0 .65rem;font-size:11px;font-weight:700}.t-sidebar__group{min-width:0;margin-top:1.25rem}.t-sidebar__group-head{letter-spacing:.14em;text-transform:uppercase;justify-content:space-between;align-items:baseline;margin-bottom:.4rem;padding:0 .65rem;font-size:10.5px;font-weight:700;display:flex}.t-sidebar__group-num{color:var(--lime)}.t-sidebar__group-title{color:var(--fg-subtle)}.t-sidebar__list{gap:2px;min-width:0;list-style:none;display:grid}.t-sidebar__list>li{min-width:0}.t-sidebar__item{color:var(--fg-muted);border:1px solid #0000;border-radius:10px;align-items:center;gap:.6rem;width:100%;min-width:0;padding:.6rem .55rem;font-size:.91rem;line-height:1.3;display:flex}.t-sidebar__item:hover{color:var(--fg);background:#ffffff08}.t-sidebar__item--active{border-color:var(--border-lime);color:var(--lime);background:#b3e52614}:root[data-theme=light] .t-sidebar__item{color:var(--fg);font-weight:500}:root[data-theme=light] .t-sidebar__item:hover{color:var(--fg);background:#7498120f}:root[data-theme=light] .t-sidebar__item--active,:root[data-theme=light] .t-sidebar__item--active:hover{color:#2f3d08;background:#7498122e;border-color:#749812b3;font-weight:600;box-shadow:0 1px 6px #7498122e}.t-sidebar__check{border:1px solid var(--border-strong);border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:10.5px;font-weight:700;display:inline-flex}.t-sidebar__check--active{border-color:var(--lime);color:var(--lime)}.t-sidebar__check--seen{border-color:var(--lime);color:var(--lime);background:#b3e5262e}:root[data-theme=light] .t-sidebar__check{color:#0d1411;border-color:#0d141173}:root[data-theme=light] .t-sidebar__check--active{color:#0d1411;background:0 0;border-color:#0d1411}:root[data-theme=light] .t-sidebar__check--seen{color:#fff;background:#0d1411;border-color:#0d1411}.t-sidebar__seen{letter-spacing:.08em;text-transform:uppercase;color:var(--lime);white-space:nowrap;background:#b3e5261f;border:1px solid #b3e5264d;border-radius:999px;flex-shrink:0;margin-left:auto;padding:.15rem .45rem;font-size:10px;font-weight:700}.t-sidebar__duration{color:var(--fg-subtle);letter-spacing:.02em;white-space:nowrap;flex-shrink:0;margin-left:auto;font-size:11px;font-weight:500}.t-sidebar__item--active .t-sidebar__duration{color:var(--lime)}:root[data-theme=light] .t-sidebar__item--active .t-sidebar__duration{color:#4a5e0c}.t-player{aspect-ratio:16/9;border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-card);background:#ffffff08;position:relative;overflow:hidden}.t-player iframe{border:0;width:100%;height:100%}.t-player__gate{cursor:pointer;background:0 0;border:0;padding:0;position:absolute;inset:0}.t-player__gate:focus-visible{outline:2px solid var(--lime);outline-offset:-2px}.t-lesson__meta{color:var(--fg-subtle);letter-spacing:.1em;text-transform:uppercase;align-items:center;gap:.85rem;margin-top:1.75rem;font-size:12px;font-weight:600;display:flex}.t-lesson__meta-divider{color:var(--fg-faint)}.t-lesson__title{letter-spacing:-.018em;margin:.7rem 0 .85rem;font-size:clamp(1.75rem,3.2vw,2.3rem);font-weight:700;line-height:1.15}.t-lesson__desc{color:var(--fg-muted);max-width:720px;font-size:1.05rem;line-height:1.6}.t-lesson__actions{flex-wrap:wrap;gap:.75rem;margin-top:1.5rem;display:flex}.t-lesson__nav{border-top:1px solid var(--border);grid-template-columns:1fr 1fr;gap:.85rem;margin-top:3rem;padding-top:1.75rem;display:grid}@media (max-width:600px){.t-lesson__nav{grid-template-columns:1fr}}.t-lesson__nav-card{border:1px solid var(--border);background:#ffffff04;border-radius:12px;padding:1.1rem 1.3rem;display:block}.t-lesson__nav-card--next{border-color:var(--border-lime);text-align:right;background:#b3e5260d}.t-lesson__nav-card:hover{border-color:var(--lime);color:var(--lime)}:root[data-theme=light] .t-lesson__nav-card:hover{color:#4a5e0c;background:#74981214;border-color:#749812b3}:root[data-theme=light] .t-lesson__nav-card--next:hover{background:#74981221}.t-lesson__nav-label{letter-spacing:.16em;text-transform:uppercase;color:var(--fg-subtle);margin-bottom:.35rem;font-size:10.5px;font-weight:700}.t-lesson__nav-title{font-size:.98rem;font-weight:600}.t-complete{text-align:center;border:1px solid var(--border-lime);z-index:1;background:linear-gradient(#b3e5260d,#ffffff04);border-radius:24px;max-width:760px;margin:5rem auto;padding:3.5rem 2.5rem;position:relative}.t-complete__icon{background:var(--lime);width:80px;height:80px;color:var(--button-fg);box-shadow:var(--shadow-lime);border-radius:999px;justify-content:center;align-items:center;margin-bottom:1.5rem;font-size:36px;font-weight:700;display:inline-flex}.t-badge{border:1px solid var(--border-lime);color:var(--lime);letter-spacing:.12em;text-transform:uppercase;background:#b3e5261a;border-radius:999px;align-items:center;gap:.4rem;padding:.35rem .85rem;font-size:12px;font-weight:700;display:inline-flex}.t-badge--locked{color:#fbbf24;background:#f59e0b1a;border-color:#f59e0b59}