.tut-page{--tut-sticky:85px;--tut-rail-top:93px;background:var(--be-bg)}.tut-page [id]{scroll-margin-top:96px}.tut-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.tut-page a:focus-visible,.tut-page button:focus-visible,.tut-page details:focus-visible,.tut-page input:focus-visible,.tut-page select:focus-visible,.tut-page summary:focus-visible{outline:2px solid var(--sx-ink,var(--sx-accent));outline-offset:3px;border-radius:var(--be-radius-sm)}.tut-eyebrow{margin:0 0 10px;font-size:.78rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--sx-ink,var(--sx-accent))}.tut-sechead{max-width:62ch}.tut-sechead .sx-h2{margin-bottom:10px}.tut-sechead .sx-intro{margin-bottom:26px}.tut-textlink{color:var(--sx-ink,var(--sx-accent));font-weight:600;font-size:.9rem;text-decoration:none;display:inline-flex;align-items:center;min-height:var(--be-tap)}.tut-textlink:hover{text-decoration:underline}.tut-shot{position:relative;display:block;width:100%;overflow:hidden;background:color-mix(in srgb,var(--sx-accent) 7%,var(--be-surface-2))}.tut-shot__img{display:block;width:100%;height:100%;object-fit:cover}.tut-shot__tint{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,color-mix(in srgb,var(--sx-accent) 11%,var(--be-surface-2)),var(--be-surface-2))}[dir=rtl] .tut-shot__tint{background:linear-gradient(-145deg,color-mix(in srgb,var(--sx-accent) 11%,var(--be-surface-2)),var(--be-surface-2))}.tut-shot__mark{width:56px;height:56px;object-fit:contain;opacity:.5}.tut-play{position:absolute;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:color-mix(in srgb,var(--be-grey-50) 96%,transparent);color:var(--sx-accent);box-shadow:var(--be-shadow-3);text-decoration:none;transition:transform .18s var(--be-ease)}.tut-play i{transform:translateX(1px)}[dir=rtl] .tut-play i{transform:translateX(-1px)}.tut-play--hero{width:62px;height:62px;font-size:20px;left:50%;top:50%;margin:-31px 0 0 -31px}[dir=rtl] .tut-play--hero{left:auto;right:50%;margin:-31px -31px 0 0}.tut-play--sm{width:36px;height:36px;font-size:12px;left:12px;bottom:12px}[dir=rtl] .tut-play--sm{left:auto;right:12px}.tut-play--big{width:96px;height:96px;font-size:30px;left:50%;top:50%;margin:-48px 0 0 -48px}[dir=rtl] .tut-play--big{left:auto;right:50%;margin:-48px -48px 0 0}.tut-durpill{position:absolute;right:12px;bottom:12px;border-radius:var(--be-radius-pill);padding:5px 11px;font-size:.8rem;font-weight:600;background:color-mix(in srgb,var(--be-grey-950) 82%,transparent);color:var(--be-grey-50)}[dir=rtl] .tut-durpill{right:auto;left:12px}.tut-caption{position:absolute;left:12px;bottom:12px;border-radius:var(--be-radius-pill);padding:5px 11px;font-size:.8rem;font-weight:600;background:color-mix(in srgb,var(--be-grey-50) 92%,transparent);color:var(--be-grey-900)}[dir=rtl] .tut-caption{left:auto;right:12px}.tut-level{position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;gap:6px;border-radius:var(--be-radius-pill);padding:5px 11px;font-size:.74rem;font-weight:700;background:color-mix(in srgb,var(--be-grey-50) 92%,transparent);color:var(--be-grey-900)}[dir=rtl] .tut-level{left:auto;right:12px}.tut-level__dot{width:6px;height:6px;border-radius:50%;background:var(--sx-accent)}.tut-level__def{position:absolute;left:0;top:calc(100% + 8px);width:max-content;max-width:230px;padding:8px 11px;border-radius:var(--be-radius-sm);font-size:.76rem;font-weight:500;line-height:1.45;background:color-mix(in srgb,var(--be-grey-950) 92%,transparent);color:var(--be-grey-50);box-shadow:var(--be-shadow-3);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .15s var(--be-ease),visibility .15s;z-index:3}[dir=rtl] .tut-level__def{left:auto;right:0}.tut-card:focus-visible .tut-level__def{opacity:1;visibility:visible}.tut-bar{width:100%;height:4px;background:var(--be-border);overflow:hidden}.tut-bar,.tut-bar>i{display:block;border-radius:var(--be-radius-pill)}.tut-bar>i{height:100%;width:0;background:var(--sx-ink,var(--sx-accent));transition:width .45s var(--be-ease)}.tut-tick{width:20px;height:20px;border-radius:50%;border:1.5px solid var(--be-border-strong);display:inline-flex;align-items:center;justify-content:center;flex:0 0 20px}.tut-tick:after{content:"\2713";font-size:11px;font-weight:800;line-height:1;color:var(--be-grey-50);opacity:0}.is-done>.tut-tick{background:var(--sx-accent);border-color:var(--sx-ink,var(--sx-accent))}.is-done>.tut-tick:after{opacity:1}.tut-chip{display:inline-flex;align-items:center;border-radius:var(--be-radius-pill);padding:3px 9px;font-size:.76rem;font-weight:600;color:var(--sx-ink,var(--sx-accent));background:color-mix(in srgb,var(--sx-accent) 9%,transparent)}.tut-hero{position:relative;overflow:hidden;padding:40px 0 56px;background:linear-gradient(165deg,color-mix(in srgb,var(--sx-accent) 9%,var(--be-bg)) 0,var(--be-bg) 62%)}[dir=rtl] .tut-hero{background:linear-gradient(-165deg,color-mix(in srgb,var(--sx-accent) 9%,var(--be-bg)) 0,var(--be-bg) 62%)}.tut-hero--course{padding:34px 0 46px}.tut-hero__inner{position:relative;display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:48px;align-items:center}.tut-hero__inner--course{grid-template-columns:minmax(0,1fr) minmax(0,.86fr);gap:44px}.tut-hero__copy{min-width:0}.tut-crumbs{margin-bottom:16px}.tut-page .sa-crumbs a{color:var(--sx-ink,var(--sx-accent))}.tut-page .tut-h1{font-size:clamp(2.05rem,1.35rem + 2.5vw,3.05rem);line-height:1.08;letter-spacing:-.02em;font-weight:800;margin:0 0 16px}.tut-page .tut-h1--course{font-size:clamp(1.9rem,1.3rem + 2.1vw,2.7rem)}.tut-page .tut-lede{font-size:1.06rem;line-height:1.65;color:var(--be-muted);max-width:46ch;margin:0 0 24px}.tut-page .tut-hero__note{margin-top:14px;font-size:.86rem;color:var(--be-muted)}.tut-cta{gap:12px}.tut-page .tut-hero__visual.sx-hero__visual{border:0;border-radius:0;box-shadow:none}.tut-hero__shot{aspect-ratio:16/9}.tut-cid{gap:12px;margin-bottom:16px}.tut-cid,.tut-cid__icon{display:inline-flex;align-items:center}.tut-cid__icon{width:60px;height:60px;border-radius:var(--be-radius-lg);justify-content:center;background:var(--be-surface);border:1px solid color-mix(in srgb,var(--sx-accent) 20%,var(--be-border));box-shadow:0 0 0 6px color-mix(in srgb,var(--sx-accent) 7%,transparent)}.tut-cid__icon img{width:44px;height:44px;object-fit:contain}.tut-cid__name{font-size:.95rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--sx-ink,var(--sx-accent))}.tut-meta{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;margin:0 0 22px;font-size:.87rem;color:var(--be-muted)}.tut-meta__min{color:var(--sx-ink,var(--sx-accent));font-weight:700;font-variant-numeric:tabular-nums}.tut-continue{position:relative;z-index:2;margin-top:-18px}.tut-continue__card{display:grid;grid-template-columns:148px minmax(0,1fr) auto;gap:18px;align-items:center;min-height:118px;padding:14px;background:var(--be-surface);border:none;border-radius:var(--be-radius-xl);box-shadow:0 10px 30px color-mix(in srgb,var(--sx-accent) 8%,transparent)}.tut-continue__shot{position:relative;display:block;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:color-mix(in srgb,var(--sx-accent) 8%,var(--be-surface-2))}.tut-continue__shot img{display:block;width:100%;height:100%;object-fit:cover}.tut-continue__tint{position:absolute;inset:0;background:color-mix(in srgb,var(--sx-accent) 10%,var(--be-surface-2))}.tut-continue__text{min-width:0}.tut-continue__kicker{margin:0 0 3px;font-size:.76rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--sx-ink,var(--sx-accent))}.tut-continue__title{margin:0 0 3px;font-size:1.05rem;font-weight:700;color:var(--be-brand-ink)}.tut-continue__sub{margin:0 0 10px;font-size:.88rem;color:var(--be-muted)}.tut-continue__bar{max-width:320px}.tut-continue__btn{white-space:nowrap}.tut-courses{padding:54px 0 8px}.tut-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.tut-grid--two{grid-template-columns:repeat(2,minmax(0,1fr))}.tut-card{display:flex;flex-direction:column;min-width:0;border:none;border-radius:var(--be-radius-xl);overflow:hidden;background:var(--be-surface);text-decoration:none;color:inherit;box-shadow:var(--be-shadow-1);transition:transform var(--be-dur) var(--be-ease),box-shadow var(--be-dur) var(--be-ease)}.tut-card:focus-visible{box-shadow:0 14px 34px color-mix(in srgb,var(--sx-accent) 12%,transparent)}.tut-card__shot{aspect-ratio:16/9}.tut-card__body{flex-direction:column;flex:1;padding:16px 16px 18px}.tut-card__body,.tut-card__head{display:flex;gap:10px;min-width:0}.tut-card__head{align-items:center}.tut-card__icon{width:28px;height:28px;object-fit:contain;flex:0 0 28px}.tut-card__title{font-size:1.06rem;font-weight:700;color:var(--be-brand-ink);min-width:0}.tut-card__blurb{font-size:.92rem;line-height:1.55;color:var(--be-muted);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.tut-card__meta{font-size:.82rem;color:var(--be-muted)}.tut-card__peek{display:flex;flex-wrap:wrap;gap:6px}.tut-card__prog{display:none;align-items:center;gap:10px;padding-top:12px;border-top:1px solid var(--be-border)}.tut-card__prog.is-on{display:flex}.tut-card__progtext{font-size:.78rem;font-weight:600;color:var(--be-muted);white-space:nowrap;font-variant-numeric:tabular-nums}.tut-card__go{margin-top:auto;padding-top:4px;font-size:.92rem;font-weight:700;color:var(--sx-ink,var(--sx-accent))}.tut-featured{margin-top:56px;padding:56px 0 60px;background:color-mix(in srgb,var(--sx-accent) 6%,var(--be-bg));border-block:1px solid color-mix(in srgb,var(--sx-accent) 14%,var(--be-border))}.tut-featured__inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.86fr);gap:46px;align-items:center}.tut-featured__copy,.tut-featured__visual{min-width:0}.tut-page .tut-featured__h{font-size:1.85rem;line-height:1.18;letter-spacing:-.015em}.tut-featured .sx-intro{margin-bottom:22px}.tut-ladder{list-style:none;margin:0 0 12px;padding:0}.tut-ladder__row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:14px;padding:9px 0;border-bottom:1px solid color-mix(in srgb,var(--sx-accent) 12%,var(--be-border))}.tut-ladder__row:last-child{border-bottom:0}.tut-ladder__name{font-size:.98rem;font-weight:600;color:var(--be-text)}.tut-ladder__min{font-size:1.02rem;font-weight:700;color:var(--sx-ink,var(--sx-accent));font-variant-numeric:tabular-nums}.tut-ladder__total{margin:0 0 22px;font-size:.86rem;color:var(--be-muted)}.tut-index{padding:56px 0}.tut-filters{position:sticky;top:var(--tut-sticky);z-index:var(--be-z-sticky);gap:10px;flex-wrap:wrap;padding:10px 12px;margin-bottom:14px;border:none;border-radius:var(--be-radius-lg);background:color-mix(in srgb,var(--be-bg) 92%,transparent);backdrop-filter:blur(8px);box-shadow:var(--be-shadow-1)}.tut-filters,.tut-search{display:flex;align-items:center}.tut-search{position:relative;flex:1 1 240px;min-width:200px}.tut-search>i{position:absolute;left:12px;font-size:13px;color:var(--be-muted);pointer-events:none}[dir=rtl] .tut-search>i{left:auto;right:12px}.tut-search__input{width:100%;min-height:var(--be-tap);padding:10px 12px 10px 34px;border:1px solid var(--be-border-strong);border-radius:var(--be-radius-sm);background:var(--be-bg);color:var(--be-text);font:inherit;font-size:.92rem}[dir=rtl] .tut-search__input{padding:10px 34px 10px 12px}.tut-search__input::placeholder{color:var(--be-muted)}.tut-fchip{min-height:var(--be-tap);padding:8px 15px;border-radius:var(--be-radius-pill);background:transparent;font-size:.86rem;transition:background .15s var(--be-ease),border-color .15s var(--be-ease),color .15s var(--be-ease)}.tut-fchip:hover{color:var(--sx-ink,var(--sx-accent))}.tut-fchip.is-on,.tut-fchip:hover{border-color:var(--sx-ink,var(--sx-accent))}.tut-fchip.is-on{background:var(--sx-accent);color:var(--be-grey-50)}.tut-clear{min-height:var(--be-tap);padding:8px 6px;border:0;background:transparent;color:var(--sx-ink,var(--sx-accent));font:inherit;font-size:.86rem;font-weight:700;cursor:pointer}.tut-clear:hover{text-decoration:underline}.tut-index__count{margin:0 0 6px;font-size:.84rem;color:var(--be-muted)}.tut-rows{border-top:1px solid var(--be-border)}.tut-row{display:grid;grid-template-columns:42px minmax(0,1fr) 118px 104px 30px;align-items:center;gap:12px;padding:11px 12px;border-bottom:1px solid var(--be-border);text-decoration:none;color:inherit;transition:background .15s var(--be-ease)}.tut-index__body--nolevel .tut-row{grid-template-columns:42px minmax(0,1fr) 118px 30px}.tut-index__body--nolevel .tut-row__level{display:none}.tut-row:hover{background:color-mix(in srgb,var(--sx-accent) 5%,transparent)}.tut-row__n{font-size:.82rem;color:var(--be-muted);font-variant-numeric:tabular-nums}.tut-row__main{min-width:0}.tut-row__title{display:block;font-size:.98rem;font-weight:600;color:var(--be-text)}.tut-row__kind{margin-right:8px;font-size:11px;color:var(--be-muted)}[dir=rtl] .tut-row__kind{margin-right:0;margin-left:8px}.tut-row__course{display:block;margin-top:2px;font-size:.79rem;color:var(--be-muted)}.tut-row__inlinemin{display:none}.tut-row__min{font-size:.9rem;font-weight:600;color:var(--sx-ink,var(--sx-accent));font-variant-numeric:tabular-nums}.tut-row__level{font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--be-muted)}.tut-index__empty{padding:32px;text-align:center}.tut-index__emptyh{margin:0 0 6px;font-size:1.05rem;font-weight:700;color:var(--be-brand-ink)}.tut-index__emptyb{margin:0 auto 18px;max-width:48ch;font-size:.92rem;line-height:1.6;color:var(--be-muted)}.tut-index__emptycta{display:flex;gap:14px;align-items:center;justify-content:center;flex-wrap:wrap}.tut-look{background:var(--be-bg)}.tut-look__tint{display:block;aspect-ratio:16/10;background:color-mix(in srgb,var(--sx-accent) 9%,var(--be-surface-2))}.tut-soonwrap{padding:8px 0 0}.tut-soon{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,380px);gap:40px;align-items:center;padding:34px 32px;background:var(--be-grey-50);border:none;border-radius:var(--be-radius-xl);box-shadow:var(--be-shadow-1)}[data-theme=dark] .tut-soon{background:var(--be-surface)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .tut-soon{background:var(--be-surface)}}.tut-page .tut-soon .sx-h2{font-size:1.45rem}.tut-soon .sx-intro{margin-bottom:20px}.tut-soonlist{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}.tut-soonchip{display:inline-flex;align-items:center;padding:6px 13px;border:1px dashed color-mix(in srgb,var(--be-muted) 45%,transparent);border-radius:var(--be-radius-pill);font-size:.88rem;color:var(--be-muted);background:transparent}.tut-notify{padding:20px;background:var(--be-surface);border:none;border-radius:var(--be-radius-lg);box-shadow:var(--be-shadow-1)}.tut-notify__h{margin:0 0 4px;font-size:1.02rem;font-weight:700;color:var(--be-brand-ink)}.tut-notify__sub{margin:0 0 14px;font-size:.82rem;color:var(--be-muted)}.tut-field{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}.tut-field__label{font-size:.8rem;font-weight:600;color:var(--be-text)}.tut-field__input{width:100%;min-height:var(--be-tap);padding:10px 12px;border:1px solid var(--be-border-strong);border-radius:var(--be-radius-sm);background:var(--be-bg);color:var(--be-text);font:inherit;font-size:.92rem}.tut-notify__err{margin:0 0 12px;font-size:.84rem;line-height:1.5;color:var(--be-accent-ink)}.tut-notify__err a{color:inherit;font-weight:700}.tut-notify__submit{width:100%}.tut-notify--sent{display:flex;gap:12px;align-items:flex-start}.tut-notify--sent i{margin-top:3px;font-size:18px;color:var(--sx-ink,var(--sx-accent))}.tut-notify--sent p{margin:0;font-size:.95rem;line-height:1.55;color:var(--be-text)}.tut-next{padding:52px 0 60px}.tut-page .tut-next__h{margin-bottom:20px}.tut-nextgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.tut-tile{display:grid;grid-template-columns:40px minmax(0,1fr);gap:13px;align-items:start;padding:15px;border:none;border-radius:var(--be-radius-lg);background:var(--be-surface);text-decoration:none;color:inherit;box-shadow:var(--be-shadow-1);transition:transform var(--be-dur) var(--be-ease),box-shadow var(--be-dur) var(--be-ease)}.tut-tile:focus-visible{box-shadow:var(--be-shadow-2)}.tut-tile__icon{align-self:start;width:40px;height:40px;border-radius:var(--be-radius-md);display:inline-flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--sx-accent) 10%,transparent);color:var(--sx-ink,var(--sx-accent));font-size:16px}.tut-tile__text{min-width:0}.tut-tile__title{display:block;font-size:.96rem;font-weight:700;color:var(--be-brand-ink)}.tut-tile__ext{margin-left:6px;font-size:10px;opacity:.65}[dir=rtl] .tut-tile__ext{margin-left:0;margin-right:6px}.tut-tile__desc{display:block;margin-top:3px;font-size:.82rem;line-height:1.5;color:var(--be-muted)}.tut-learn{padding:44px 0 8px}.tut-page .tut-learn .sx-h2{margin-bottom:18px}.tut-page .tut-learnlist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 34px;margin-top:0}.tut-page .tut-learnlist .sx-featlist__t{font-weight:500;font-size:.98rem;line-height:1.5;color:var(--be-text)}.tut-learn__solo{margin:0;max-width:62ch;font-size:1.05rem;line-height:1.6;color:var(--be-text)}.tut-syllabus{padding:40px 0 56px}.tut-syllabus__cols{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start}.tut-syllabus__main{min-width:0}.tut-syl{display:grid;gap:10px}.tut-secblock{border-radius:var(--be-radius-md)}.tut-sec{display:grid;grid-template-columns:minmax(0,1fr) auto 20px;gap:12px;align-items:baseline;padding:13px 14px;cursor:pointer;list-style:none;background:color-mix(in srgb,var(--sx-accent) 5%,transparent);border:none;border-radius:var(--be-radius-md);box-shadow:var(--be-shadow-1)}.tut-sec::-webkit-details-marker{display:none}.tut-sec__name{font-size:1rem;font-weight:700;color:var(--be-brand-ink)}.tut-sec__min{font-size:.94rem;font-weight:700;color:var(--sx-ink,var(--sx-accent));font-variant-numeric:tabular-nums}.tut-sec__chev{font-size:12px;color:var(--be-muted);justify-self:end;transition:transform .18s var(--be-ease)}.tut-secblock[open]>.tut-sec .tut-sec__chev{transform:rotate(90deg)}[dir=rtl] .tut-secblock[open]>.tut-sec .tut-sec__chev{transform:rotate(-90deg)}.tut-secbody{padding:2px 0 6px}.tut-lrow{display:grid;grid-template-columns:30px minmax(0,1fr) 62px 22px;gap:12px;align-items:center;padding:11px 14px;border-bottom:1px solid var(--be-border);text-decoration:none;color:inherit;transition:background .15s var(--be-ease)}.tut-lrow:hover{background:color-mix(in srgb,var(--sx-accent) 5%,transparent)}.tut-lrow.is-current{background:color-mix(in srgb,var(--sx-accent) 9%,transparent);border-left:3px solid var(--sx-ink,var(--sx-accent));padding-left:11px}[dir=rtl] .tut-lrow.is-current{border-left:none;border-right:3px solid var(--sx-ink,var(--sx-accent));padding-left:0;padding-right:11px}.tut-lrow__n{font-size:.82rem;color:var(--be-muted);font-variant-numeric:tabular-nums}.tut-lrow__main{min-width:0}.tut-lrow__title{display:block;font-size:.95rem;font-weight:600;color:var(--be-text)}.tut-lrow__kind{margin-right:8px;font-size:11px;color:var(--be-muted)}[dir=rtl] .tut-lrow__kind{margin-right:0;margin-left:8px}.tut-lrow__sub{display:none;margin-top:2px;font-size:.78rem;color:var(--be-muted)}.tut-lrow__min{font-size:.86rem;font-weight:600;color:var(--sx-ink,var(--sx-accent));font-variant-numeric:tabular-nums;text-align:right}[dir=rtl] .tut-lrow__min{text-align:left}.tut-syl--rail{gap:4px}.tut-sec--rail{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:baseline;margin:10px 0 2px;padding:0 4px}.tut-sec--rail .tut-sec__name{font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--be-muted)}.tut-sec--rail .tut-sec__min{font-size:.78rem}.tut-syl--rail .tut-lrow{grid-template-columns:22px minmax(0,1fr) 46px 18px;gap:8px;padding:8px 6px;border-bottom:0;border-radius:var(--be-radius-sm)}.tut-syl--rail .tut-lrow__title{font-size:.86rem;font-weight:600}.tut-syl--rail .tut-lrow__min{font-size:.78rem}.tut-syl--rail .tut-lrow.is-current{padding-left:3px}[dir=rtl] .tut-syl--rail .tut-lrow.is-current{padding-left:0;padding-right:3px}.tut-syl--rail .tut-tick{width:16px;height:16px;flex-basis:16px}.tut-syl--rail .tut-tick:after{font-size:9px}.tut-rail{position:sticky;top:var(--tut-rail-top);padding:18px;border:none;border-radius:var(--be-radius-xl);background:var(--be-surface);box-shadow:var(--be-shadow-1)}.tut-rail__ring{display:flex;justify-content:center;margin-bottom:16px}.tut-rail__cta{display:flex;width:100%;text-align:center}.tut-rail__facts{list-style:none;margin:16px 0 0;padding:16px 0 0;border-top:1px solid var(--be-border);display:grid;gap:7px;font-size:.86rem;color:var(--be-muted)}.tut-rail__facts li:before{content:"";display:inline-block;width:5px;height:5px;margin-right:9px;border-radius:50%;vertical-align:middle;background:color-mix(in srgb,var(--sx-ink,var(--sx-accent)) 65%,transparent)}[dir=rtl] .tut-rail__facts li:before{margin-right:0;margin-left:9px}.tut-ring{position:relative;display:inline-flex;align-items:center;justify-content:center}.tut-ring svg{display:block}.tut-ring__track{stroke:var(--be-border)}.tut-ring__fill{stroke:var(--sx-ink,var(--sx-accent));transition:stroke-dashoffset .6s var(--be-ease)}.tut-ring__text{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px}.tut-ring__num{font-size:1.1rem;font-weight:700;color:var(--be-brand-ink);font-variant-numeric:tabular-nums}.tut-ring__cap{font-size:.72rem;color:var(--be-muted)}.tut-ring__cap--solo{font-size:.78rem;font-weight:600}.tut-railfoot{margin-top:16px;padding-top:16px;border-top:1px solid var(--be-border)}.tut-railfoot--page{display:none}.tut-railfoot__links{display:grid;gap:8px}.tut-railfoot__links a{font-size:.86rem;font-weight:600;color:var(--sx-ink,var(--sx-accent));text-decoration:none}.tut-railfoot__links a:hover{text-decoration:underline}.tut-railfoot__no,.tut-railfoot__reset,.tut-railfoot__yes{border:0;background:transparent;padding:6px 0;font:inherit;font-size:.76rem;color:var(--be-muted);cursor:pointer;text-decoration:underline}.tut-railfoot__reset{margin-top:12px}.tut-railfoot__confirm{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:12px 0 0;font-size:.76rem;color:var(--be-muted)}.tut-railfoot__yes{color:var(--sx-ink,var(--sx-accent));font-weight:700}.tut-proof{padding:48px 0 52px;background:color-mix(in srgb,var(--sx-accent) 5%,var(--be-bg))}.tut-proofgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.tut-proofgrid.is-two{grid-template-columns:repeat(2,minmax(0,1fr))}.tut-prooftile{margin:0;min-width:0}.tut-prooftile img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--be-radius-lg);border:none;box-shadow:var(--be-shadow-1)}.tut-prooftile figcaption{margin-top:9px;font-size:.84rem;color:var(--be-muted)}.tut-who{padding:40px 0}.tut-who__inner{max-width:62ch;padding-top:32px;border-top:1px solid var(--be-border)}.tut-who__body{margin:0 0 10px;font-size:1rem;line-height:1.65;color:var(--be-muted)}.tut-who__fact{margin:0;font-size:.86rem;color:var(--be-muted)}.tut-related{padding:8px 0 56px}.tut-page .tut-related .sx-h2{margin-bottom:20px}.tut-theatre{background:var(--be-grey-950);padding:20px 0 24px}.tut-theatre__head{padding-bottom:10px}.tut-theatre__crumb{margin:0;font-size:.82rem;color:color-mix(in srgb,var(--be-grey-50) 70%,transparent)}.tut-theatre__crumb a{color:color-mix(in srgb,var(--be-grey-50) 92%,transparent);font-weight:600;text-decoration:none}.tut-theatre__crumb a:hover{text-decoration:underline}.tut-player{position:relative;width:100%;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:var(--be-grey-950)}.tut-player__facade,.tut-player__frame{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}.tut-player__facade{padding:0;background:transparent;cursor:pointer}.tut-player__poster{display:block;width:100%;height:100%;object-fit:cover}.tut-player__tint{position:absolute;inset:0;background:linear-gradient(145deg,color-mix(in srgb,var(--sx-accent) 34%,var(--be-grey-950)),var(--be-grey-950))}[dir=rtl] .tut-player__tint{background:linear-gradient(-145deg,color-mix(in srgb,var(--sx-accent) 34%,var(--be-grey-950)),var(--be-grey-950))}.tut-player__nojs{position:absolute;inset:0;width:100%;height:100%;border:0;z-index:2}.tut-durpill--player{right:16px;bottom:16px}[dir=rtl] .tut-durpill--player{right:auto;left:16px}.tut-player--down{display:flex;align-items:center;justify-content:center;text-align:center;color:var(--be-grey-50)}.tut-player__downinner{padding:24px}.tut-player__downinner i{font-size:24px;color:color-mix(in srgb,var(--be-grey-50) 60%,transparent)}.tut-player__downh{margin:12px 0 6px;font-size:1.02rem;font-weight:700}.tut-player__downl{margin:0;font-size:.9rem}.tut-player__downl a{color:color-mix(in srgb,var(--be-grey-50) 88%,transparent);font-weight:600}.tut-practice{padding:26px 28px;border-radius:14px;border:1px solid color-mix(in srgb,var(--be-grey-50) 16%,transparent);background:color-mix(in srgb,var(--sx-accent) 16%,var(--be-grey-950))}.tut-practice__kicker{margin:0 0 10px;font-size:.76rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:color-mix(in srgb,var(--be-grey-50) 78%,transparent)}.tut-practice__kicker i{margin-right:8px}[dir=rtl] .tut-practice__kicker i{margin-right:0;margin-left:8px}.tut-practice__body{margin:0;max-width:68ch;font-size:1rem;line-height:1.6;color:var(--be-grey-50)}.tut-practice__cta{margin-top:18px}.tut-lesson{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;padding:26px 0 40px}.tut-lesson__main{min-width:0}.tut-lesson__h1{margin:0 0 10px;font-size:clamp(1.5rem,1.2rem + 1.1vw,2rem);font-weight:800;line-height:1.15;color:var(--be-brand-ink)}.tut-lesson__lede{margin:0 0 18px;max-width:68ch;font-size:1.02rem;line-height:1.65;color:var(--be-muted)}.tut-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:14px}.tut-page .tut-act{padding:10px 16px;font-size:.9rem;gap:8px}.tut-page .tut-done{padding:10px 16px;font-size:.9rem;gap:9px;border:1.5px solid color-mix(in srgb,var(--sx-ink) 45%,transparent);color:var(--sx-ink);background:transparent;cursor:pointer;font-family:inherit}.tut-page .tut-done.is-done{background:var(--sx-accent);border-color:var(--sx-ink,var(--sx-accent));color:var(--be-grey-50)}.tut-done__mark{display:inline-flex;align-items:center;justify-content:center;width:16px;font-size:12px;transition:transform .18s var(--be-ease)}.tut-page .tut-done.is-done .tut-done__mark{transform:scale(1)}.tut-done__next{flex:1 1 100%;margin:4px 0 0;font-size:.9rem}.tut-done__next a{color:var(--sx-ink,var(--sx-accent));font-weight:700;text-decoration:none}.tut-done__next a:hover{text-decoration:underline}.tut-copied{font-size:.84rem;font-weight:600;color:var(--sx-ink,var(--sx-accent));min-width:76px}.tut-contents{display:none;margin:18px 0 0;border:none;border-radius:var(--be-radius-lg);background:var(--be-surface);box-shadow:var(--be-shadow-1)}.tut-contents__sum{display:grid;grid-template-columns:minmax(0,1fr) 90px 16px;gap:12px;align-items:center;padding:13px 14px;cursor:pointer;list-style:none}.tut-contents__sum::-webkit-details-marker{display:none}.tut-contents__label{font-size:.92rem;font-weight:700;color:var(--be-brand-ink)}.tut-contents__prog{display:block}.tut-contents[open] .tut-sec__chev{transform:rotate(90deg)}[dir=rtl] .tut-contents[open] .tut-sec__chev{transform:rotate(-90deg)}.tut-contents__body{max-height:58vh;overflow-y:auto;overscroll-behavior:contain;padding:0 10px 12px;border-top:1px solid var(--be-border)}.tut-h4{margin:0 0 12px;font-size:1.12rem}.tut-h4,.tut-h5{font-weight:700;color:var(--be-brand-ink)}.tut-h5{margin:18px 0 8px;font-size:1rem}.tut-steps{margin-top:34px}.tut-steplist{list-style:none;margin:0;padding:0}.tut-step{display:grid;grid-template-columns:62px minmax(0,1fr);gap:12px;padding:9px 0;border-bottom:1px solid var(--be-border);align-items:baseline}.tut-step__t{border:0;padding:3px 6px;border-radius:6px;font:inherit;font-size:.86rem;font-weight:600;font-variant-numeric:tabular-nums;color:var(--sx-ink,var(--sx-accent));background:color-mix(in srgb,var(--sx-accent) 8%,transparent);cursor:pointer;text-align:center}.tut-step__t:hover{background:color-mix(in srgb,var(--sx-accent) 16%,transparent)}.tut-step__label{font-size:.94rem;line-height:1.5;color:var(--be-text)}.tut-outcome{margin-top:34px;padding:20px 22px;border:none;border-radius:var(--be-radius-lg);background:var(--be-surface-2);box-shadow:var(--be-shadow-1)}.tut-outcome .tut-h4{margin-bottom:14px}.tut-outcome__meta{margin:16px 0 0;padding-top:14px;border-top:1px solid var(--be-border);font-size:.82rem;color:var(--be-muted)}.tut-notesec{margin-top:34px;max-width:68ch}.tut-articlesec{margin-top:30px;scroll-margin-top:96px}.tut-article{display:grid;gap:0}.tut-article>:not(.tut-article__fig){max-width:68ch}.tut-article__h{margin:26px 0 10px}.tut-article>.tut-article__h:first-child{margin-top:0}.tut-article .tut-notes__p strong{font-weight:700;color:var(--be-text)}.tut-article__steps{margin:0 0 14px;padding-left:1.4em;list-style:decimal outside;display:grid;gap:8px;font-size:1rem;line-height:1.6;color:var(--be-text)}[dir=rtl] .tut-article__steps{padding-left:0;padding-right:1.4em}.tut-article__steps li::marker{font-weight:700;color:var(--sx-ink,var(--sx-accent))}.tut-article__tip{display:flex;gap:10px;margin:4px 0 16px;padding:12px 14px;border-left:4px solid var(--be-accent-500,#f89d14);border-radius:var(--be-radius-sm);background:color-mix(in srgb,var(--be-accent-500,#f89d14) 9%,transparent);font-size:.95rem;line-height:1.55;color:var(--be-text)}[dir=rtl] .tut-article__tip{border-left:none;border-right:4px solid var(--be-accent-500,#f89d14)}.tut-article__tip i{margin-top:3px;color:var(--be-accent-500,#f89d14)}.tut-article__fig{margin:6px 0 20px}.tut-article__fig img{display:block;width:100%;height:auto;border:1px solid var(--be-border);border-radius:var(--be-radius-md,10px);box-shadow:var(--be-shadow-1);background:var(--be-surface)}.tut-article__fig figcaption{margin-top:8px;font-size:.86rem;line-height:1.45;color:var(--be-muted)}.tut-notes__p{margin:0 0 12px;font-size:1rem;line-height:1.7;color:var(--be-text)}.tut-notes code{padding:1px 5px;border-radius:3px;font-size:.9em;background:color-mix(in srgb,var(--be-text) 9%,transparent);color:var(--be-text)}.tut-page .tut-tasklist .sx-featlist__t{font-weight:500;font-size:.96rem;line-height:1.5;color:var(--be-text)}.tut-tryit{margin-top:34px;padding:18px 20px;border:none;border-radius:var(--be-radius-lg);background:color-mix(in srgb,var(--sx-accent) 6%,transparent);box-shadow:var(--be-shadow-1)}.tut-tryit__h{margin:0 0 4px;font-size:1.02rem;font-weight:700;color:var(--be-brand-ink)}.tut-tryit__lead{margin:0;font-size:.94rem;color:var(--be-muted)}.tut-tryit__cta{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-top:16px}.tut-res{margin-top:34px}.tut-reslist{list-style:none;margin:0;padding:0}.tut-reslist a{display:grid;grid-template-columns:26px minmax(0,1fr) auto;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--be-border);text-decoration:none;color:inherit}.tut-reslist i{color:var(--sx-ink,var(--sx-accent))}.tut-res__name{font-size:.94rem;font-weight:600;color:var(--be-text)}.tut-res__size{font-size:.82rem;color:var(--be-muted);font-variant-numeric:tabular-nums}.tut-pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.tut-pager.is-single{grid-template-columns:minmax(0,1fr)}.tut-pagecard{display:flex;flex-direction:column;gap:4px;padding:15px 17px;border:none;border-radius:var(--be-radius-lg);background:var(--be-surface);text-decoration:none;color:inherit;box-shadow:var(--be-shadow-1);transition:box-shadow var(--be-dur) var(--be-ease),transform var(--be-dur) var(--be-ease)}.tut-pagecard:focus-visible{box-shadow:var(--be-shadow-2)}.tut-pagecard--next{text-align:right;align-items:flex-end;box-shadow:var(--be-shadow-2);background:color-mix(in srgb,var(--sx-accent) 5%,transparent)}[dir=rtl] .tut-pagecard--next{text-align:left}.tut-pagecard__kicker{font-size:.76rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--be-muted)}.tut-pagecard__title{font-size:1rem;font-weight:700;color:var(--be-brand-ink)}.tut-pagecard__sub{font-size:.82rem;font-weight:600;color:var(--sx-ink,var(--sx-accent))}.tut-lrail{position:sticky;top:var(--tut-rail-top);max-height:calc(100vh - 112px);overflow-y:auto;overscroll-behavior:contain;padding:14px;border:none;border-radius:var(--be-radius-xl);background:var(--be-surface);box-shadow:var(--be-shadow-1)}.tut-lrail__head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 12px;align-items:baseline;padding-bottom:12px;margin-bottom:4px;border-bottom:1px solid var(--be-border)}.tut-lrail__course{font-size:.94rem;font-weight:700;color:var(--be-brand-ink);text-decoration:none}.tut-lrail__course:hover{text-decoration:underline}.tut-lrail__count{font-size:.82rem;font-weight:600;color:var(--be-muted);font-variant-numeric:tabular-nums}.tut-lrail__head .tut-bar{grid-column:1/-1}.tut-footcta{margin:0;padding:8px 0 44px;text-align:center;font-size:.9rem;color:var(--be-muted)}.tut-footcta a{color:var(--sx-ink,var(--sx-accent));font-weight:700;text-decoration:none}.tut-footcta a:hover{text-decoration:underline}@media (max-width:1023px){.tut-grid,.tut-nextgrid,.tut-proofgrid{grid-template-columns:repeat(2,minmax(0,1fr))}.tut-proofgrid>:last-child:nth-child(odd){grid-column:1/-1}.tut-proofgrid>:last-child:nth-child(odd) img{aspect-ratio:21/9}.tut-lesson,.tut-syllabus__cols{gap:32px}}@media (max-width:900px){.tut-hero__inner,.tut-hero__inner--course{grid-template-columns:1fr;gap:26px}.tut-hero__inner--course{gap:24px}.tut-page .tut-h1{font-size:2.15rem}.tut-page .tut-lede{max-width:none}.tut-cta{width:100%}.tut-cta .sx-btn{flex:1 1 220px}.tut-continue__card{grid-template-columns:112px minmax(0,1fr);min-height:96px}.tut-continue__btn{grid-column:1/-1;justify-self:stretch}.tut-featured__inner{grid-template-columns:1fr;gap:28px}.tut-featured__visual{order:-1}.tut-filters{top:81px}.tut-index__body--nolevel .tut-row,.tut-row{grid-template-columns:34px minmax(0,1fr) 92px 26px}.tut-row__level{display:none}.tut-look .sx-zzrow,.tut-look .sx-zzrow.is-flip{grid-template-columns:1fr;gap:22px}.tut-look .sx-zzrow.is-flip .sx-zzrow__img{order:0}.tut-soon{grid-template-columns:1fr}.tut-soon__form{margin-top:24px}.tut-page .tut-learnlist,.tut-syllabus__cols{grid-template-columns:1fr}.tut-syllabus__cols{gap:22px}.tut-rail{position:static;order:-1;display:grid;grid-template-columns:76px minmax(0,1fr) auto;gap:18px;align-items:center}.tut-rail__ring{margin-bottom:0}.tut-rail__cta{width:auto;max-width:260px;align-self:center}.tut-rail__facts{margin:0;padding:0;border-top:0;grid-template-columns:repeat(2,minmax(0,1fr))}.tut-railfoot--rail{display:none}.tut-railfoot--page{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:26px;padding-top:18px}.tut-railfoot--page .tut-railfoot__links{display:flex;flex-wrap:wrap;gap:8px 20px}.tut-railfoot--page .tut-railfoot__reset{margin-top:0}.tut-theatre{padding:16px 0 18px}.tut-play--big{width:72px;height:72px;font-size:24px;margin:-36px 0 0 -36px}[dir=rtl] .tut-play--big{margin:-36px -36px 0 0}.tut-lesson{grid-template-columns:1fr}.tut-lrail{display:none}.tut-contents{display:block}.tut-contents .tut-syl--rail .tut-lrow{padding:12px 8px;min-height:var(--be-tap)}}@media (max-width:600px){.tut-hero{padding:26px 0 34px}.tut-page .tut-h1{font-size:1.85rem}.tut-page .tut-h1--course{font-size:1.75rem}.tut-crumbs>a:first-child,.tut-crumbs>span[aria-hidden]:first-of-type{display:none}.tut-cid__icon{width:48px;height:48px}.tut-cid__icon img{width:36px;height:36px}.tut-cta{flex-direction:column}.tut-cta .sx-btn{flex:0 0 auto;width:100%}.tut-play--hero{width:48px;height:48px;font-size:16px;margin:-24px 0 0 -24px}[dir=rtl] .tut-play--hero{margin:-24px -24px 0 0}.tut-caption{display:none}.tut-continue{margin-top:0}.tut-continue__card{grid-template-columns:1fr;min-height:236px;padding:12px}.tut-continue__shot{width:100%}.tut-continue__btn{grid-column:auto}.tut-grid,.tut-grid--two{grid-template-columns:1fr;gap:16px}.tut-featured{padding:36px 0 40px}.tut-page .tut-featured__h{font-size:1.65rem}.tut-ladder__row{padding:8px 0}.tut-filters{position:static;padding:0 0 12px;border:0;background:transparent;backdrop-filter:none;border-bottom:1px solid var(--be-border)}.tut-search{flex:1 1 100%}.tut-index__body--nolevel .tut-row,.tut-row{grid-template-columns:minmax(0,1fr) 26px;padding:11px 4px}.tut-row__min,.tut-row__n{display:none}.tut-row__inlinemin{display:inline}.tut-soon{padding:24px 18px}.tut-nextgrid,.tut-proofgrid,.tut-proofgrid.is-two{grid-template-columns:1fr}.tut-proofgrid>:last-child:nth-child(odd) img{aspect-ratio:16/9}.tut-rail{grid-template-columns:1fr;justify-items:center;text-align:center}.tut-rail__cta{width:100%}.tut-rail__facts{grid-template-columns:1fr;justify-items:center}.tut-lrow,.tut-lrow.is-current,.tut-syl--rail .tut-lrow,.tut-syl--rail .tut-lrow.is-current{grid-template-columns:minmax(0,1fr) 22px;padding-left:12px}[dir=rtl] .tut-lrow,[dir=rtl] .tut-lrow.is-current,[dir=rtl] .tut-syl--rail .tut-lrow,[dir=rtl] .tut-syl--rail .tut-lrow.is-current{padding-left:0;padding-right:12px}.tut-lrow__min,.tut-lrow__n{display:none}.tut-lrow__sub{display:block}.tut-theatre{padding:0 0 14px}.tut-theatre__head{padding:12px 24px 10px}.tut-theatre__body{padding-inline:0}.tut-player,.tut-practice{border-radius:0}.tut-practice{border-inline:0;padding:22px 24px}.tut-play--big{width:60px;height:60px;font-size:20px;margin:-30px 0 0 -30px}[dir=rtl] .tut-play--big{margin:-30px -30px 0 0}.tut-lesson{padding-top:20px}.tut-lesson__h1{font-size:1.42rem}.tut-page .tut-done{flex:1 1 100%}.tut-page .tut-act{flex:1 1 calc(50% - 5px)}.tut-step{grid-template-columns:54px minmax(0,1fr)}.tut-step__label{font-size:.9rem}.tut-pager{grid-template-columns:1fr}.tut-pagecard--next{order:-1}.tut-page .sx-closing .sx-hero__cta{flex-direction:column}.tut-page .sx-closing .sx-btn{width:100%}}@media (prefers-reduced-motion:no-preference){html.js .tut-card:focus-visible{transform:translateY(-3px)}html.js .tut-tile:focus-visible{transform:translateY(-2px)}html.js .tut-pagecard:focus-visible{transform:translateY(-2px)}html.js .tut-play:focus-visible,html.js .tut-play:hover,html.js .tut-player__facade:focus-visible .tut-play,html.js .tut-player__facade:hover .tut-play{transform:scale(1.06)}html.js .tut-play--big:focus-visible,html.js .tut-play--big:hover,html.js .tut-play--hero:focus-visible,html.js .tut-play--hero:hover,html.js .tut-player__facade:focus-visible .tut-play--big,html.js .tut-player__facade:hover .tut-play--big{transform:scale(1.06)}html.js .tut-done .tut-done__mark{transform:scale(.85)}html.js .tut-done.is-done .tut-done__mark{transform:scale(1)}}@media (forced-colors:active){.tut-card,.tut-contents,.tut-continue__card,.tut-filterbar,.tut-lrail,.tut-notify,.tut-outcome,.tut-pagecard,.tut-prooftile img,.tut-rail,.tut-sec,.tut-soon,.tut-tile,.tut-tryit{border:1px solid CanvasText}}.tut-page{--tut-ok:#15803d;--tut-bad:#b42318}[data-theme=dark] .tut-page{--tut-ok:#4ade80;--tut-bad:#fca5a5}.tut-learner{display:flex;align-items:center;flex-wrap:wrap;gap:8px 10px;min-height:24px;margin:14px 0 0;font-size:.88rem;line-height:1.5;color:var(--be-muted)}.tut-lesson__main>.tut-learner{margin:0 0 14px}.tut-learner a,.tut-learner__icon{color:var(--sx-ink,var(--sx-accent))}.tut-learner a{font-weight:700}.tut-learner.is-in strong{color:var(--be-text)}.tut-learner__karma{font-weight:700;color:var(--sx-ink,var(--sx-accent))}.tut-learner .tut-learner__out{margin-left:auto;font-weight:600;font-size:.84rem}[dir=rtl] .tut-learner .tut-learner__out{margin-left:0;margin-right:auto}.tut-join{display:inline-flex;align-items:center;gap:8px;min-height:44px}.tut-join.is-member{padding:0 4px;font-weight:700;color:var(--tut-ok)}.tut-join__pct{font-weight:500;color:var(--be-muted)}.tut-join-wrap{display:inline-flex;flex-direction:column;gap:4px}.tut-join__err{font-size:.82rem;color:var(--tut-bad)}.tut-quiz{margin-top:34px;padding:20px 22px 22px;border-radius:var(--be-radius-lg);background:var(--be-surface);box-shadow:var(--be-shadow-1);scroll-margin-top:96px}.tut-quiz__head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 16px;margin-bottom:6px}.tut-quiz__head .tut-h4{margin:0}.tut-quiz__head .tut-h4 i{margin-right:6px;color:var(--sx-ink,var(--sx-accent))}[dir=rtl] .tut-quiz__head .tut-h4 i{margin-right:0;margin-left:6px}.tut-quiz__meta{display:flex;flex-wrap:wrap;gap:6px;margin:0;font-size:.86rem;color:var(--be-muted)}.tut-quiz__badge.is-ok{font-weight:700;color:var(--tut-ok)}.tut-quiz__loading{margin:14px 0 0;min-height:120px;color:var(--be-muted)}.tut-quiz__list{list-style:none;margin:12px 0 0;padding:0}.tut-quiz__q{padding:14px 0;border-top:1px solid var(--be-border)}.tut-quiz__q fieldset{margin:0;padding:0;border:0;min-width:0}.tut-quiz__q legend{display:flex;gap:10px;margin-bottom:10px;padding:0;font-size:.98rem;font-weight:700;line-height:1.45;color:var(--be-text)}.tut-quiz__n{flex:0 0 24px;height:24px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:.78rem;color:var(--be-grey-50);background:var(--sx-accent)}[data-theme=dark] .tut-quiz__n{color:var(--be-bg);background:var(--be-brand-300)}.tut-quiz__a{display:grid;grid-template-columns:18px minmax(0,1fr) auto;gap:10px;align-items:start;margin:0 0 6px 34px;padding:9px 12px;border:1.5px solid var(--be-border);border-radius:var(--be-radius-sm);font-size:.93rem;line-height:1.45;color:var(--be-text);cursor:pointer;transition:border-color .15s var(--be-ease),background-color .15s var(--be-ease)}[dir=rtl] .tut-quiz__a{margin:0 34px 6px 0}.tut-quiz__a:hover{border-color:color-mix(in srgb,var(--sx-ink,var(--sx-accent)) 55%,transparent)}.tut-quiz__a input{margin:3px 0 0;accent-color:var(--sx-accent)}[data-theme=dark] .tut-quiz__a input{accent-color:var(--be-brand-300)}.tut-quiz__a.is-picked{border-color:var(--sx-ink,var(--sx-accent));background:color-mix(in srgb,var(--sx-accent) 7%,transparent)}[data-theme=dark] .tut-quiz__a.is-picked{border-color:var(--be-brand-300);background:color-mix(in srgb,var(--be-brand-300) 10%,transparent)}.tut-page .tut-quiz__a.is-ok{border-color:var(--tut-ok);background:color-mix(in srgb,var(--tut-ok) 10%,transparent)}.tut-page .tut-quiz__a.is-bad{border-color:var(--tut-bad);background:color-mix(in srgb,var(--tut-bad) 9%,transparent)}.tut-quiz__icon{margin-top:3px}.tut-quiz__a.is-ok .tut-quiz__icon{color:var(--tut-ok)}.tut-quiz__a.is-bad .tut-quiz__icon{color:var(--tut-bad)}.tut-quiz__a:has(input:disabled){cursor:default}.tut-quiz__comment{margin:4px 0 0 34px;font-size:.86rem;color:var(--be-muted)}[dir=rtl] .tut-quiz__comment{margin:4px 34px 0 0}.tut-quiz__foot{padding-top:14px;border-top:1px solid var(--be-border)}.tut-quiz__bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px}.tut-quiz__bar button:disabled{opacity:.55;cursor:not-allowed}.tut-quiz__count,.tut-quiz__sign{font-size:.86rem;color:var(--be-muted)}.tut-quiz__result a,.tut-quiz__sign a{color:var(--sx-ink,var(--sx-accent));font-weight:700}.tut-quiz__result{padding:12px 14px;border-radius:var(--be-radius-sm);border-left:4px solid}[dir=rtl] .tut-quiz__result{border-left:none;border-right:4px solid}.tut-quiz__result p{margin:0 0 8px;font-size:.94rem;line-height:1.5;color:var(--be-text)}.tut-quiz__result p:last-child{margin-bottom:0}.tut-quiz__result.is-ok{border-color:var(--tut-ok);background:color-mix(in srgb,var(--tut-ok) 9%,transparent)}.tut-quiz__result.is-bad{border-color:var(--tut-bad);background:color-mix(in srgb,var(--tut-bad) 8%,transparent)}.tut-quiz__err{margin:10px 0 0;font-size:.88rem;color:var(--tut-bad)}.tut-exam__grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px 24px;align-items:start}.tut-exam__badge{width:128px;height:128px;max-width:100%;object-fit:contain}.tut-exam__terms{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:10px 0 0;padding:0}.tut-exam__terms li{padding:4px 11px;border-radius:999px;font-size:.86rem;font-weight:600;color:var(--be-text);background:color-mix(in srgb,var(--sx-accent) 9%,transparent);font-variant-numeric:tabular-nums}[data-theme=dark] .tut-exam__terms li{background:color-mix(in srgb,var(--be-brand-300) 14%,transparent)}.tut-exam__note{margin:12px 0 16px;max-width:62ch;font-size:.93rem;line-height:1.55;color:var(--be-muted)}.tut-exam__note strong{color:var(--be-text)}.tut-exam__wait{min-height:0;margin:0}@media (max-width:560px){.tut-exam__grid{grid-template-columns:minmax(0,1fr)}.tut-exam__badge{grid-row:1;width:88px;height:88px}}.tut-reviewsec{padding:8px 0 48px}.tut-reviews{max-width:820px;padding:22px 24px;border-radius:var(--be-radius-lg);background:var(--be-surface);box-shadow:var(--be-shadow-1)}.tut-reviews__head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 16px}.tut-reviews__head .tut-h4{margin:0}.tut-reviews__sum{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0;font-size:.9rem;color:var(--be-muted)}.tut-reviews__sum strong{color:var(--be-text)}.tut-stars{display:inline-flex;gap:2px;color:#b45309;font-size:.86rem}[data-theme=dark] .tut-stars{color:#fbbf24}.tut-reviews__list{list-style:none;margin:16px 0 0;padding:0}.tut-review{padding:14px 0;border-top:1px solid var(--be-border)}.tut-review__top{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;font-size:.9rem;color:var(--be-text)}.tut-review__top time{font-size:.82rem;color:var(--be-muted)}.tut-review__text{margin:6px 0 0;font-size:.95rem;line-height:1.6;color:var(--be-text);white-space:pre-line}.tut-reviews__act{margin-top:16px;padding-top:14px;border-top:1px solid var(--be-border)}.tut-reviews__note{margin:0;font-size:.9rem;color:var(--be-muted)}.tut-reviews__note a{color:var(--sx-ink,var(--sx-accent));font-weight:700}.tut-reviews__form{display:grid;gap:10px}.tut-rate{display:flex;flex-wrap:wrap;gap:4px;margin:0;padding:0;border:0}.tut-rate legend{margin-bottom:6px;font-size:.9rem;font-weight:700;color:var(--be-text)}.tut-rate__star{position:relative;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--be-radius-sm);font-size:1.3rem;color:var(--be-muted);cursor:pointer}.tut-rate__star.is-on{color:#b45309}[data-theme=dark] .tut-rate__star.is-on{color:#fbbf24}.tut-rate__star input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}.tut-rate__star:has(input:focus-visible){outline:2px solid var(--sx-ink,var(--sx-accent));outline-offset:1px}.tut-reviews__label{font-size:.9rem;font-weight:700;color:var(--be-text)}.tut-reviews__opt{font-weight:400;color:var(--be-muted)}.tut-reviews__body{width:100%;min-height:96px;padding:10px 12px;border:1.5px solid var(--be-border);border-radius:var(--be-radius-sm);font:inherit;font-size:.95rem;color:var(--be-text);background:var(--be-bg);resize:vertical}.tut-reviews__btns{display:flex;flex-wrap:wrap;gap:10px}.tut-reviews__err,.tut-reviews__ok{margin:10px 0 0;font-size:.9rem}.tut-reviews__ok{color:var(--tut-ok)}.tut-reviews__err{color:var(--tut-bad)}@media (max-width:640px){.tut-quiz,.tut-reviews{padding:16px 14px}.tut-quiz__a,.tut-quiz__comment{margin-left:0}[dir=rtl] .tut-quiz__a,[dir=rtl] .tut-quiz__comment{margin-left:0;margin-right:0}.tut-learner .tut-learner__out{margin-left:0}[dir=rtl] .tut-learner .tut-learner__out{margin-left:0;margin-right:0}}.tut-learner .tut-learner__me{margin-left:auto;font-size:.84rem}[dir=rtl] .tut-learner .tut-learner__me{margin-left:0;margin-right:auto}.tut-learner.is-in .tut-learner__out{margin-left:14px}[dir=rtl] .tut-learner.is-in .tut-learner__out{margin-left:0;margin-right:14px}[data-tut-card][hidden]{display:none!important}.tut-finder{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px 16px;margin:0 0 22px}.tut-finder__search{position:relative;display:block}.tut-finder__search i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--be-muted);pointer-events:none}[dir=rtl] .tut-finder__search i{left:auto;right:16px}.tut-finder__search input{width:100%;height:48px;padding:0 16px 0 44px;border-radius:999px;border:1px solid var(--be-border-strong);background:var(--be-surface);color:var(--be-text);font:inherit;font-size:.97rem}[dir=rtl] .tut-finder__search input{padding:0 44px 0 16px}.tut-finder__search input:focus{outline:none;border-color:var(--sx-ink,var(--sx-accent));box-shadow:0 0 0 3px color-mix(in srgb,var(--sx-accent) 22%,transparent)}.tut-finder__chips{display:flex;flex-wrap:wrap;gap:8px}.tut-fchip{display:inline-flex;align-items:center;gap:7px;min-height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--be-border-strong);background:var(--be-surface);color:var(--be-text);font:inherit;font-size:.88rem;font-weight:600;cursor:pointer}.tut-fchip[aria-pressed=true]{background:var(--sx-accent);border-color:var(--sx-accent);color:#ffffff}[data-theme=dark] .tut-fchip[aria-pressed=true]{background:color-mix(in srgb,var(--sx-accent) 70%,#ffffff);border-color:transparent;color:#0b1014}.tut-fchip:focus-visible{outline:2px solid var(--sx-ink,var(--sx-accent));outline-offset:2px}.tut-fchip__n{min-width:20px;padding:1px 6px;border-radius:999px;background:color-mix(in srgb,currentColor 16%,transparent);font-size:.76rem;text-align:center}.tut-finder__count{grid-column:1/-1;margin:0;font-size:.86rem;color:var(--be-muted)}.tut-board{margin-top:28px;padding:22px 24px;border:1px solid var(--be-border);border-radius:16px;background:var(--be-surface)}.tut-board__head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 16px;margin-bottom:12px}.tut-board__h{margin:0;font-size:1.12rem;font-weight:700;color:var(--be-text)}.tut-board__h i{color:#d99a00;margin-right:6px}[dir=rtl] .tut-board__h i{margin-right:0;margin-left:6px}.tut-board__sub{margin:0;font-size:.84rem;color:var(--be-muted)}.tut-board__list{list-style:none;margin:0;padding:0;display:grid;gap:6px}.tut-board--compact .tut-board__list{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}.tut-board__row{display:grid;grid-template-columns:30px minmax(0,1fr) auto;grid-template-areas:"place name karma" "place rank karma";align-items:center;column-gap:12px;padding:8px 12px;border-radius:12px;background:var(--be-surface-2)}.tut-board__place{grid-area:place;display:inline-grid;place-items:center;width:30px;height:30px;border-radius:999px;background:var(--be-border);color:var(--be-text);font-weight:700;font-size:.86rem}.tut-board__row.is-top-1 .tut-board__place{background:#f5c542;color:#3a2a00}.tut-board__row.is-top-2 .tut-board__place{background:#cfd6de;color:#1f2933}.tut-board__row.is-top-3 .tut-board__place{background:#e0a878;color:#3b1f08}.tut-board__name{grid-area:name;font-weight:600;color:var(--be-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tut-board__rank{grid-area:rank;font-size:.78rem;color:var(--be-muted)}.tut-board__karma{grid-area:karma;font-weight:700;color:var(--sx-ink,var(--sx-accent));font-variant-numeric:tabular-nums}.tut-board__karma small{font-weight:500;color:var(--be-muted)}.tut-board__me{margin:12px 0 0;font-size:.9rem;color:var(--be-text)}.tut-board__me i{color:var(--sx-ink,var(--sx-accent));margin-right:4px}[dir=rtl] .tut-board__me i{margin-right:0;margin-left:4px}.tut-me-hero{padding:clamp(32px,5vw,56px) 0 12px}.tut-me-hero__h{margin:0;font-size:clamp(2rem,1.4rem + 2vw,2.8rem);font-weight:800;letter-spacing:-.02em;color:var(--be-text)}.tut-me-hero__p{margin:10px 0 0;max-width:640px;color:var(--be-muted);font-size:1.05rem;line-height:1.55}.tut-me-body{padding:20px 0 clamp(56px,7vw,96px)}.tut-me{display:grid;gap:20px}.tut-me__loading{margin:0;padding:28px;border-radius:16px;border:1px dashed var(--be-border-strong);color:var(--be-muted)}.tut-me__guest{padding:32px;border-radius:20px;border:1px solid var(--be-border);background:var(--be-surface);text-align:center}.tut-me__guest>i{font-size:2rem;color:var(--sx-ink,var(--sx-accent))}.tut-me__guest h2{margin:12px 0 8px;font-size:1.4rem;color:var(--be-text)}.tut-me__guest p{max-width:560px;margin:0 auto;color:var(--be-muted);line-height:1.55}.tut-me__actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:18px!important}.tut-me__card,.tut-me__sec{padding:22px 24px;border:1px solid var(--be-border);border-radius:16px;background:var(--be-surface)}.tut-me__who{display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:18px;align-items:center}.tut-me__avatar{display:inline-grid;place-items:center;width:64px;height:64px;border-radius:999px;background:var(--sx-accent);color:#ffffff;font-size:1.6rem;font-weight:800}.tut-me__id h2{margin:0;font-size:1.3rem;color:var(--be-text)}.tut-me__rank{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:6px 0 0;font-weight:700}.tut-me__rank,.tut-me__rankname{color:var(--sx-ink,var(--sx-accent))}.tut-me__rankname{padding:2px 10px;border-radius:999px;background:color-mix(in srgb,var(--sx-accent) 12%,var(--be-surface))}.tut-me__next{display:grid;grid-template-columns:minmax(120px,280px) auto;gap:12px;align-items:center;margin-top:10px}.tut-me__nexttext{margin:8px 0 0;font-size:.88rem;color:var(--be-muted)}.tut-me__next .tut-me__nexttext{margin:0}.tut-me__out{align-self:start;font-size:.86rem;font-weight:600;color:var(--sx-ink,var(--sx-accent))}.tut-me__h{margin:0 0 14px;font-size:1.12rem;font-weight:700;color:var(--be-text)}.tut-me__courses{list-style:none;margin:0;padding:0;display:grid;gap:12px}.tut-me__course{display:grid;grid-template-columns:120px minmax(0,1fr) auto;gap:16px;align-items:center;padding:10px;border-radius:14px;background:var(--be-surface-2)}.tut-me__thumb{display:block;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:color-mix(in srgb,var(--sx-accent) 14%,var(--be-surface))}.tut-me__thumb img{width:100%;height:100%;object-fit:cover;display:block}.tut-me__cbody{display:grid;gap:6px;min-width:0}.tut-me__ctitle{font-weight:700;color:var(--be-text);text-decoration:none}.tut-me__ctitle:hover{text-decoration:underline}.tut-me__cmeta{margin:0;font-size:.84rem;color:var(--be-muted)}.tut-me__cgo{display:flex;align-items:center;gap:12px}.tut-me__pct{font-weight:800;font-size:1.1rem;color:var(--sx-ink,var(--sx-accent));font-variant-numeric:tabular-nums}.tut-me__empty,.tut-me__more{margin:0;color:var(--be-muted);line-height:1.55}.tut-me__more{margin-top:14px;font-size:.9rem}.tut-me__more a{color:var(--sx-ink,var(--sx-accent));font-weight:600}.tut-me__split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.tut-me__badges,.tut-me__certs{list-style:none;margin:0;padding:0;display:grid;gap:10px}.tut-me__cert{display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:12px;align-items:center}.tut-me__cert>i{font-size:1.4rem;color:#d99a00}.tut-me__certt{margin:0;font-weight:700;color:var(--be-text)}.tut-me__certm{margin:2px 0 0;font-size:.84rem;color:var(--be-muted)}.tut-me__badges{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.tut-me__badge{display:grid;justify-items:center;gap:4px;padding:14px 10px;border-radius:14px;background:var(--be-surface-2);text-align:center}.tut-me__badge>i{font-size:1.6rem;color:#b87333}.tut-me__badge--silver>i{color:#8a96a3}.tut-me__badge--gold>i{color:#d99a00}.tut-me__badgen{font-weight:700;font-size:.9rem;color:var(--be-text)}.tut-me__badged{font-size:.76rem;color:var(--be-muted)}.tut-me .tut-board{margin-top:0}@media (max-width:800px){.tut-finder,.tut-me__split{grid-template-columns:1fr}.tut-me__course{grid-template-columns:88px minmax(0,1fr)}.tut-me__cgo{grid-column:1/-1;justify-content:space-between}}@media (max-width:560px){.tut-me__who{grid-template-columns:48px minmax(0,1fr)}.tut-me__avatar{width:48px;height:48px;font-size:1.2rem}.tut-me__out{grid-column:1/-1}.tut-me__next{grid-template-columns:1fr;gap:6px}.tut-me__cert{grid-template-columns:24px minmax(0,1fr)}.tut-me__cert .ds-btn{grid-column:1/-1;justify-content:center}.tut-learner .tut-learner__me{margin-left:0}[dir=rtl] .tut-learner .tut-learner__me{margin-left:0;margin-right:0}}