/* =============================================================================================
   Tutorials (/en/tutorials hub, tutorial detail, "Learn this" on landing pages, hub links).
   Tokens follow the theme: glass violet cards, violet → cyan → orange accents, 14px radius.
   ============================================================================================= */
.tut {
  --tut-card: rgba(26, 19, 69, .72);
  --tut-card-2: rgba(36, 26, 92, .78);
  --tut-line: rgba(255, 255, 255, .08);
  --tut-line-2: rgba(255, 255, 255, .14);
  --tut-muted: rgba(226, 222, 255, .68);
  --tut-violet: #bf68e6;
  --tut-cyan: #29beff;
  --tut-orange: #ff9a2e;
  --tut-grad: linear-gradient(90deg, #bf68e6, #29beff 55%, #ff9a2e);
  --tut-radius: 14px;
  color: #fff;
}
.tut a { text-decoration: none; }
.tut-section { margin-top: 3rem; }
.tut-section__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 16px; margin-bottom: 1.25rem; }
.tut-section__caption { margin: 0; color: var(--tut-muted); font-size: .95rem; }

/* Headings: one H1 per page; H2 with a short gradient underline */
.tut-h1 { font-size: clamp(1.7rem, 3.1vw, 2.6rem); font-weight: 800; line-height: 1.15; letter-spacing: -.01em; margin: 0 0 .75rem; }
.tut-h1-brand { font-size: .62em; font-weight: 700; white-space: nowrap; }
.tut-h1--detail { font-size: clamp(1.45rem, 2.4vw, 2.1rem); max-width: 60rem; }
.tut-h2 { position: relative; font-size: 1.55rem; font-weight: 700; margin: 0 0 1.2rem; padding-bottom: .55rem; }
.tut-section__head .tut-h2 { margin-bottom: 0; }
.tut-h2::after { content: ''; position: absolute; left: 0; bottom: 0; width: 48px; height: 3px; border-radius: 3px; background: var(--tut-grad); }

/* Intro */
.tut-intro { padding-top: 1.75rem; }
.tut-intro__row { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 24px; }
.tut-lead { margin: 0; font-size: 1.08rem; color: rgba(255, 255, 255, .84); max-width: 46rem; }
.tut-stats { display: flex; gap: 6px; margin: 0; color: var(--tut-muted); font-size: .9rem; font-variant-numeric: tabular-nums; }
.tut-stats span + span::before { content: '·'; margin-right: 6px; opacity: .6; }

/* Pills, badges, meta */
.tut-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; font-size: .88rem; color: var(--tut-muted); }
.tut-meta__item { display: inline-flex; align-items: center; gap: 5px; font-variant-numeric: tabular-nums; }
.tut-meta__path em { font-style: normal; color: #fff; }
.tut-pill { display: inline-flex; align-items: center; padding: 3px 11px; border-radius: 99px; font-size: .78rem; font-weight: 700; letter-spacing: .02em; line-height: 1.5; border: 1px solid var(--tut-line-2); color: #fff; background: rgba(255, 255, 255, .06); white-space: nowrap; }
.tut-pill--beginner { border-color: rgba(41, 190, 255, .6); color: #8fdcff; background: rgba(41, 190, 255, .08); }
.tut-pill--advanced { border-color: rgba(255, 154, 46, .6); color: #ffc58a; background: rgba(255, 154, 46, .08); }
.tut-pill--topic { border-color: rgba(191, 104, 230, .45); background: rgba(191, 104, 230, .14); color: #ead2ff; font-weight: 600; }
.tut-pill--eyebrow { border: 0; color: #fff; text-transform: uppercase; letter-spacing: .12em; font-size: .7rem; padding: 4px 12px; background: linear-gradient(90deg, rgba(191, 104, 230, .9), rgba(41, 190, 255, .8)); box-shadow: 0 0 18px rgba(191, 104, 230, .35); }
.tut-eyebrow { display: inline-flex; align-items: center; gap: 6px; font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: #c9a6ff; }
.tut-badge { position: absolute; z-index: 2; display: inline-flex; align-items: center; gap: 5px; padding: 3px 8px; border-radius: 7px; font-size: .78rem; font-weight: 700; font-variant-numeric: tabular-nums; color: #fff; background: rgba(10, 6, 34, .85); border: 1px solid rgba(255, 255, 255, .1); line-height: 1.3; }
.tut-badge--start { left: 10px; bottom: 10px; }
.tut-badge--len { right: 10px; bottom: 10px; color: rgba(255, 255, 255, .85); }
.tut-time { display: inline-block; min-width: 3.1em; font-variant-numeric: tabular-nums; font-weight: 700; color: #8fdcff; }

/* Player facade: fixed 16:9 box → no layout shift */
.tut-player { position: relative; aspect-ratio: 16 / 9; border-radius: var(--tut-radius); overflow: hidden; background: #120c33; box-shadow: 0 24px 60px -24px rgba(110, 50, 220, .75), 0 0 0 1px rgba(255, 255, 255, .08); }
.tut-player__facade, .tut-player iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; }
.tut-player picture, .tut-player img { display: block; width: 100%; height: 100%; object-fit: cover; }
.tut-player__facade img { transition: transform .6s cubic-bezier(.2, .8, .2, 1), filter .4s; }
.tut-player__shade { position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(10, 6, 34, 0) 40%, rgba(10, 6, 34, .55)); pointer-events: none; }
.tut-player__play { position: absolute; left: 50%; top: 50%; z-index: 2; display: grid; place-items: center; width: 84px; height: 84px; margin: -42px 0 0 -42px; border-radius: 50%; color: #fff; padding-left: 4px;
  background: linear-gradient(135deg, #a855f7 0%, #ec4899 48%, #f97316 100%); box-shadow: 0 0 0 8px rgba(255, 255, 255, .12), 0 0 40px rgba(236, 72, 153, .55); transition: transform .25s ease, box-shadow .25s ease; }
.tut-player__play--sm { width: 54px; height: 54px; margin: -27px 0 0 -27px; box-shadow: 0 0 0 6px rgba(255, 255, 255, .12), 0 0 26px rgba(236, 72, 153, .5); }
.tut-player__duration { position: absolute; right: 12px; bottom: 12px; z-index: 2; padding: 3px 9px; border-radius: 7px; font-weight: 700; font-size: .85rem; font-variant-numeric: tabular-nums; background: rgba(10, 6, 34, .85); color: #fff; }
.tut-player__resume { position: absolute; left: 12px; bottom: 12px; z-index: 2; padding: 5px 12px; border-radius: 99px; font-weight: 700; font-size: .85rem; color: #fff; background: rgba(191, 104, 230, .92); box-shadow: 0 0 18px rgba(191, 104, 230, .5); }
.tut-player__facade:is(:hover, :focus-visible) img { transform: scale(1.03); filter: brightness(1.06); }
.tut-player__facade:is(:hover, :focus-visible) .tut-player__play { transform: scale(1.08); box-shadow: 0 0 0 10px rgba(255, 255, 255, .16), 0 0 56px rgba(236, 72, 153, .7); }
.tut-player__facade:focus-visible { outline: 3px solid var(--tut-cyan); outline-offset: -3px; }

/* Hub: featured */
.tut-featured { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 32px; align-items: center; margin-top: 2rem; }
.tut-featured__info { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.tut-featured__title { margin: 0; font-size: clamp(1.25rem, 1.9vw, 1.6rem); font-weight: 700; line-height: 1.25; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.tut-featured__title a { color: #fff; }
.tut-featured__title a:hover { color: #e9d5ff; }
.tut-featured__summary { margin: 0; color: rgba(255, 255, 255, .8); line-height: 1.55; }
.tut-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.tut-actions .btn { font-weight: 700; }
.tut-tools-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding-top: 4px; }
.tut-tools-row__label { width: 100%; font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--tut-muted); }
.tut-chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: 10px; font-size: .84rem; color: #fff; background: rgba(255, 255, 255, .06); border: 1px solid var(--tut-line-2); transition: background .2s, border-color .2s; }
.tut-chip:hover { color: #fff; background: rgba(168, 85, 247, .22); border-color: rgba(216, 180, 254, .45); }
.tut-chip .fa { color: #c9a6ff; }
.tut-chip__time { color: #8fdcff; font-weight: 700; font-variant-numeric: tabular-nums; }

/* Hub: lessons grid (4 × 2) */
.tut-lessons { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.tut-lesson { position: relative; display: flex; flex-direction: column; border-radius: var(--tut-radius); overflow: hidden; color: #fff; background: var(--tut-card); border: 1px solid var(--tut-line); isolation: isolate;
  transition: transform .4s cubic-bezier(.2, .8, .2, 1), box-shadow .4s, border-color .3s; }
.tut-lesson::before, .tut-card::before, .tut-tool::before, .tut-next::before { content: ''; position: absolute; inset: -1px; z-index: -1; border-radius: inherit; padding: 1px; background: linear-gradient(135deg, #bf68e6, #29beff, #ff9a2e);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .35s; }
.tut-lesson:is(:hover, :focus-visible), .tut-card:is(:hover, :focus-visible) { color: #fff; transform: translateY(-4px); border-color: transparent; box-shadow: 0 22px 40px -20px rgba(120, 60, 220, .85); }
.tut-lesson:is(:hover, :focus-visible)::before, .tut-card:is(:hover, :focus-visible)::before, .tut-tool:hover::before, .tut-next:is(:hover, :focus-visible)::before { opacity: 1; }
.tut-lesson:focus-visible, .tut-card:focus-visible { outline: none; }
.tut-lesson__media, .tut-card__media { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; background: linear-gradient(135deg, #3b1f8f, #142a72 55%, #5b2a5e); }
.tut-lesson__media img, .tut-card__media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2, .8, .2, 1); }
.tut-lesson__media::after, .tut-card__media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(10, 6, 34, .65)); }
.tut-lesson:hover .tut-lesson__media img, .tut-card:hover .tut-card__media img { transform: scale(1.05); }
.tut-lesson__num { position: absolute; inset: 0; display: grid; place-items: center; font-size: 3.4rem; font-weight: 800; color: rgba(255, 255, 255, .85); }
.tut-lesson__body { display: flex; flex-direction: column; gap: 6px; padding: 14px 16px 16px; }
.tut-lesson__title { margin: 0; font-size: 1.02rem; font-weight: 700; line-height: 1.3; }
.tut-lesson__blurb { font-size: .86rem; color: var(--tut-muted); line-height: 1.45; }
/* Card text is written short and shown in full (never cut with "…") */
.tut-lesson__more { margin-top: auto; padding-top: 6px; font-size: .84rem; font-weight: 700; color: #c9a6ff; }
.tut-lesson--page .tut-lesson__body { flex: 1 1 auto; }
.tut-lesson:hover .tut-lesson__more { color: #fff; }
.tut-lesson.is-playing { border-color: rgba(41, 190, 255, .6); }

/* Learning path */
.tut-path { padding: 22px 24px; border-radius: var(--tut-radius); background: linear-gradient(135deg, rgba(124, 58, 237, .22), rgba(14, 165, 233, .1)), var(--tut-card); border: 1px solid rgba(216, 180, 254, .22); }
.tut-path + .tut-path { margin-top: 16px; }
.tut-path__head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 12px 24px; margin-bottom: 18px; }
.tut-path__title { margin: 4px 0 4px; font-size: 1.25rem; font-weight: 700; }
.tut-path__desc { margin: 0; color: var(--tut-muted); }
.tut-path__start { white-space: nowrap; font-weight: 700; }
.tut-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(0, 1fr)); grid-auto-flow: column; gap: 0; margin: 0; padding: 0; list-style: none; counter-reset: none; }
.tut-steps__item { position: relative; }
.tut-steps__item + .tut-steps__item::before { content: ''; position: absolute; top: 22px; left: -12px; width: 24px; height: 2px; background: linear-gradient(90deg, rgba(191, 104, 230, .7), rgba(41, 190, 255, .7)); }
.tut-step { display: flex; align-items: center; gap: 12px; margin: 0 14px; padding: 8px 12px; border-radius: 12px; color: #fff; transition: background .2s; }
.tut-steps__item:first-child .tut-step { margin-left: 0; }
.tut-step:hover { color: #fff; background: rgba(255, 255, 255, .06); }
.tut-step__num { flex: 0 0 auto; display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; font-weight: 800; font-size: .9rem; color: #fff; background: linear-gradient(135deg, #a855f7, #29beff); box-shadow: 0 0 14px rgba(168, 85, 247, .45); }
.tut-step__text { display: flex; flex-direction: column; line-height: 1.25; }
.tut-step__title { font-weight: 700; }
.tut-step__time { font-size: .82rem; color: #8fdcff; font-variant-numeric: tabular-nums; }

/* Catalogue */
.tut-topics { display: flex; gap: 8px; margin-bottom: 18px; overflow-x: auto; scrollbar-width: none; }
.tut-topics::-webkit-scrollbar { display: none; }
.tut-topic { flex: 0 0 auto; display: inline-flex; gap: 6px; align-items: center; padding: 6px 14px; border-radius: 99px; color: #e8e5ff; background: rgba(255, 255, 255, .06); border: 1px solid var(--tut-line-2); font-weight: 600; font-size: .9rem; }
.tut-topic span { font-size: .78rem; color: var(--tut-muted); }
.tut-topic:hover { color: #fff; border-color: rgba(216, 180, 254, .45); }
.tut-topic.is-active { color: #fff; border-color: transparent; background: linear-gradient(90deg, rgba(191, 104, 230, .85), rgba(41, 190, 255, .7)); }
.tut-topic.is-active span { color: rgba(255, 255, 255, .85); }
.tut-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.tut-card { position: relative; display: flex; flex-direction: column; border-radius: var(--tut-radius); overflow: hidden; color: #fff; background: var(--tut-card); border: 1px solid var(--tut-line); isolation: isolate; transition: transform .4s cubic-bezier(.2, .8, .2, 1), box-shadow .4s, border-color .3s; }
.tut-card[hidden] { display: none; }
.tut-card__body { display: flex; flex-direction: column; gap: 8px; padding: 14px 16px 18px; }
.tut-card__title { margin: 0; font-size: 1.05rem; font-weight: 700; line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tut-card__topics { font-size: .84rem; color: var(--tut-muted); }

/* Closing CTA */
.tut-closing { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 24px; margin-bottom: 1rem; padding: 22px 24px; border-radius: 18px; background: rgba(255, 255, 255, .03); border: 1px solid var(--tut-line); }
.tut-closing .proxima-free-credits { flex: 1 1 420px; margin: 0; }
.tut-closing__cta { font-weight: 700; white-space: nowrap; }

/* Detail */
.tut-breadcrumb { display: flex; align-items: center; gap: 8px; min-width: 0; padding-top: 1.5rem; margin-bottom: .9rem; font-size: .88rem; color: var(--tut-muted); }
.tut-breadcrumb a { color: #c9a6ff; font-weight: 600; }
.tut-breadcrumb a:hover { color: #fff; }
.tut-breadcrumb__current { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tut-detail__head { margin-bottom: 1.4rem; }
.tut-watch { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 22px; align-items: stretch; }
.tut-chapters { position: relative; min-height: 320px; border-radius: var(--tut-radius); background: var(--tut-card); border: 1px solid var(--tut-line); overflow: hidden; }
.tut-chapters__inner { position: absolute; inset: 0; display: flex; flex-direction: column; }
.tut-chapters__head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--tut-line); background: rgba(20, 14, 56, .92); }
.tut-chapters__title { margin: 0; font-size: 1rem; font-weight: 700; }
.tut-chapters__toggle { border: 1px solid var(--tut-line-2); background: rgba(255, 255, 255, .06); color: #e8e5ff; font-size: .82rem; font-weight: 600; padding: 4px 12px; border-radius: 99px; }
.tut-chapters__list { flex: 1 1 auto; margin: 0; padding: 6px 6px 10px; list-style: none; overflow-y: auto; scrollbar-width: thin; scrollbar-color: rgba(191, 104, 230, .5) transparent; overscroll-behavior: contain; }
.tut-chapters__group { padding: 12px 10px 4px; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--tut-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tut-chapters__group span { color: #c9a6ff; }
.tut-chapters__group a { color: inherit; }
.tut-chapters__group a:hover, .tut-chapters__group a:hover span { color: #fff; }
.tut-chapter { display: flex; gap: 10px; align-items: baseline; padding: 7px 10px; border-radius: 9px; color: rgba(255, 255, 255, .9); font-size: .92rem; line-height: 1.3; transition: background .15s; }
.tut-chapter__lesson { display: none; font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: #c9a6ff; }
.tut-chapter__text { display: flex; flex-direction: column; min-width: 0; }
.tut-chapter:hover { color: #fff; background: rgba(255, 255, 255, .06); }
.tut-chapter.is-active { color: #fff; background: linear-gradient(90deg, rgba(191, 104, 230, .35), rgba(41, 190, 255, .12)); box-shadow: inset 3px 0 0 #bf68e6; }
.tut-summary__lead { font-size: 1.12rem; line-height: 1.6; color: rgba(255, 255, 255, .88); max-width: 62rem; margin-bottom: 2rem; }
.tut-takeaways { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 28px; margin: 0; padding: 0; list-style: none; }
.tut-takeaways li { position: relative; padding-left: 36px; line-height: 1.5; color: rgba(255, 255, 255, .88); }
.tut-takeaways li::before { content: ''; position: absolute; left: 0; top: 1px; width: 24px; height: 24px; border-radius: 50%; background: linear-gradient(135deg, #a855f7, #29beff); box-shadow: 0 0 12px rgba(168, 85, 247, .4); }
.tut-takeaways li::after { content: ''; position: absolute; left: 8px; top: 6px; width: 8px; height: 12px; border: solid #fff; border-width: 0 2.5px 2.5px 0; transform: rotate(45deg); }
.tut-tools { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }
.tut-tool { position: relative; display: flex; flex-direction: column; gap: 12px; padding: 18px; border-radius: var(--tut-radius); background: var(--tut-card); border: 1px solid var(--tut-line); isolation: isolate; }
.tut-tool__head { display: flex; align-items: center; gap: 12px; }
.tut-tool__icon { display: inline-grid; place-items: center; flex: 0 0 42px; width: 42px; height: 42px; border-radius: 10px; font-size: 19px; color: #fff; background: linear-gradient(135deg, #8d4cff, #c44dff); }
.tut-tool__icon--1 { background: linear-gradient(135deg, #1c75ff, #28b3ff); }
.tut-tool__icon--2 { background: linear-gradient(135deg, #ff4d8d, #ffb326); }
.tut-tool__title { margin: 0; font-size: 1.08rem; font-weight: 700; }
.tut-tool__time { font-size: .84rem; color: #8fdcff; font-variant-numeric: tabular-nums; }
.tut-tool__purpose { margin: 0; color: var(--tut-muted); font-size: .92rem; line-height: 1.45; flex: 1 1 auto; }
.tut-tool__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; }
.tut-tool__actions .btn { font-weight: 700; }
.tut-tool__watch { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: .9rem; color: #c9a6ff; }
.tut-tool__watch:hover { color: #fff; }
.tut-catalogue .tut-grid { transition: opacity .2s; }
.tut-catalogue.is-loading .tut-grid { opacity: .45; pointer-events: none; }
.tut-tool__note { margin: 12px 0 0; font-size: .86rem; color: #ffcf7a; }
.tut-faq-list { display: flex; flex-direction: column; gap: 10px; max-width: 62rem; }
.tut-faq { border-radius: 12px; background: var(--tut-card); border: 1px solid var(--tut-line); }
.tut-faq[open] { border-color: rgba(191, 104, 230, .35); }
.tut-faq summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 18px; cursor: pointer; list-style: none; }
.tut-faq summary::-webkit-details-marker { display: none; }
.tut-faq summary::after { content: '+'; flex: 0 0 auto; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; font-weight: 700; color: #fff; background: rgba(255, 255, 255, .08); transition: transform .25s; }
.tut-faq[open] summary::after { transform: rotate(45deg); background: linear-gradient(135deg, #a855f7, #29beff); }
.tut-faq__q { margin: 0; font-size: 1.02rem; font-weight: 700; line-height: 1.35; }
.tut-faq__a { margin: 0; padding: 0 18px 16px; color: rgba(255, 255, 255, .82); line-height: 1.6; }
.tut-transcript { border-radius: 12px; background: var(--tut-card); border: 1px solid var(--tut-line); max-width: 62rem; }
.tut-transcript > summary { padding: 14px 18px; cursor: pointer; font-weight: 700; color: #e9d5ff; }
.tut-transcript > summary span { font-weight: 400; color: var(--tut-muted); }
.tut-transcript__body { padding: 4px 22px 18px; max-height: 70vh; overflow-y: auto; }
.tut-transcript__group + .tut-transcript__group { margin-top: 1.4rem; }
.tut-transcript__h { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; margin: 0 0 .5rem; font-size: 1.02rem; font-weight: 700; }
.tut-transcript__play { font-size: .8rem; font-weight: 600; color: #c9a6ff; }
.tut-transcript__body p { color: rgba(255, 255, 255, .8); line-height: 1.65; margin-bottom: .7rem; }
.tut-transcript__download a { color: #c9a6ff; font-weight: 600; }
.tut-next { position: relative; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; padding: 18px 22px; border-radius: var(--tut-radius); color: #fff; background: linear-gradient(135deg, rgba(124, 58, 237, .25), rgba(14, 165, 233, .12)), var(--tut-card); border: 1px solid rgba(216, 180, 254, .22); isolation: isolate; }
.tut-next:hover { color: #fff; }
.tut-next .tut-eyebrow { width: 100%; }
.tut-next__title { display: inline-flex; align-items: center; gap: 10px; font-size: 1.15rem; font-weight: 700; }
.tut-next__time { color: #8fdcff; font-weight: 600; font-variant-numeric: tabular-nums; }
.tut-next__arrow { margin-left: auto; font-size: 1.5rem; transition: transform .25s; }
.tut-next:hover .tut-next__arrow { transform: translateX(4px); }

/* "Learn this" on landing pages */
.tut-learn { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); border-radius: 16px; overflow: hidden; background: linear-gradient(135deg, rgba(124, 58, 237, .22), rgba(14, 165, 233, .08)), var(--tut-card); border: 1px solid rgba(216, 180, 254, .25); box-shadow: 0 22px 50px -26px rgba(110, 50, 220, .8); }
.tut-learn__media { position: relative; display: block; min-width: 0; min-height: 230px; overflow: hidden; background: #120c33; }
.tut-learn__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2, .8, .2, 1); }
.tut-learn__media:hover img { transform: scale(1.04); }
.tut-learn__body { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; padding: 22px 26px; }
.tut .tut-learn__title, .tut-learn__title { margin: 0; font-size: 1.35rem; font-weight: 700; line-height: 1.25; }
.tut-learn__chapters { margin: 0 0 4px; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 3px; }
.tut-learn__chapters a { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: baseline; color: rgba(255, 255, 255, .86); font-size: .93rem; line-height: 1.35; }
.tut-learn__chapters a:hover { color: #fff; }

/* Hub links on other pages: Studio banner + Featured Videos header */
.tut-studio-banner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 24px; margin-top: 2rem; padding: 16px 22px; border-radius: 14px; color: #fff;
  background: linear-gradient(135deg, rgba(124, 58, 237, .26), rgba(14, 165, 233, .1)), rgba(255, 255, 255, .03); border: 1px solid rgba(216, 180, 254, .25); text-align: left; }
.tut-studio-banner__main { display: flex; align-items: center; gap: 14px; min-width: 0; }
.tut-studio-banner__icon { flex: 0 0 46px; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; padding-left: 3px; color: #fff; background: linear-gradient(135deg, #a855f7 0%, #ec4899 48%, #f97316 100%); box-shadow: 0 0 22px rgba(236, 72, 153, .45); }
.tut-studio-banner__title { display: block; font-weight: 700; font-size: 1.02rem; }
.tut-studio-banner__text { display: block; font-size: .88rem; color: rgba(226, 222, 255, .72); }
.tut-studio-banner .btn { white-space: nowrap; font-weight: 700; }

/* Lesson pages (/en/tutorials/<lesson-slug>) */
.tut-lesson-page__eyebrow { display: inline-block; margin-bottom: .5rem; }
.tut-lesson-page__lead { margin: 1rem 0 0; }
.tut-lesson-page__note { margin: 10px 2px 0; font-size: .86rem; color: var(--tut-muted); }
.tut-lesson-page__note a { color: #c9a6ff; font-weight: 600; }
.tut-chapters--lesson .tut-chapters__list { flex: 0 0 auto; }
.tut-toc { padding: 4px 16px 14px; border-top: 1px solid var(--tut-line); overflow-y: auto; }
.tut-toc .tut-chapters__title { padding: 10px 0 6px; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--tut-muted); }
.tut-toc__list { margin: 0; padding-left: 1.1rem; display: flex; flex-direction: column; gap: 4px; font-size: .9rem; }
.tut-toc__list a { color: rgba(255, 255, 255, .86); }
.tut-toc__list a:hover { color: #fff; }
.tut-toc__list li::marker { color: #c9a6ff; }
.tut-guide { width: 100%; max-width: 62rem; margin-top: 2.5rem; font-size: 1.04rem; line-height: 1.7; color: rgba(255, 255, 255, .88); }
.tut-guide h2 { position: relative; font-size: 1.5rem; font-weight: 700; color: #fff; margin: 2.6rem 0 1rem; padding-bottom: .55rem; scroll-margin-top: 90px; }
.tut-guide h2::after { content: ''; position: absolute; left: 0; bottom: 0; width: 48px; height: 3px; border-radius: 3px; background: var(--tut-grad); }
.tut-guide__text:first-child h2:first-child { margin-top: 0; }
.tut-guide h3 { font-size: 1.15rem; font-weight: 700; color: #fff; margin: 1.8rem 0 .6rem; }
.tut-guide p { margin: 0 0 1rem; }
.tut-guide ul, .tut-guide ol { margin: 0 0 1.1rem; padding-left: 1.35rem; }
.tut-guide li { margin-bottom: .45rem; }
.tut-guide li::marker { color: #c9a6ff; }
.tut-guide strong { color: #fff; }
.tut-guide a { color: #8fdcff; text-decoration: underline; text-underline-offset: 3px; }
.tut-guide code { color: #ffcf7a; background: rgba(255, 255, 255, .07); padding: 1px 6px; border-radius: 5px; font-size: .92em; }
.tut-guide table { width: 100%; margin: 0 0 1.4rem; border-collapse: separate; border-spacing: 0; font-size: .94rem; border: 1px solid var(--tut-line); border-radius: 12px; overflow: hidden; background: var(--tut-card); }
.tut-guide th, .tut-guide td { padding: 10px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--tut-line); }
.tut-guide th { color: #e9d5ff; font-weight: 700; background: rgba(20, 14, 56, .92); }
.tut-guide tr:last-child td { border-bottom: 0; }
.tut-guide .tut-callout { margin: 0 0 1.2rem; padding: 14px 18px; border-radius: 12px; background: linear-gradient(135deg, rgba(124, 58, 237, .22), rgba(14, 165, 233, .08)); border: 1px solid rgba(216, 180, 254, .25); }
.tut-guide .tut-callout p:last-child { margin-bottom: 0; }
.tut-guide .tut-callout--warn { background: linear-gradient(135deg, rgba(255, 154, 46, .16), rgba(191, 104, 230, .08)); border-color: rgba(255, 154, 46, .35); }
.tut-shot { margin: 1.4rem 0 1.8rem; }
.tut-shot__link { display: block; width: fit-content; max-width: min(100%, 50rem); margin-inline: auto; border-radius: 12px; overflow: hidden; border: 1px solid var(--tut-line-2); box-shadow: 0 18px 40px -24px rgba(110, 50, 220, .9); background: #0b0824; }
.tut-shot img { display: block; width: auto; max-width: 100%; height: auto; object-fit: contain; }
.tut-shot figcaption { max-width: 50rem; margin: 8px auto 0; text-align: center; font-size: .88rem; color: var(--tut-muted); line-height: 1.45; }
.tut-guide-steps { display: block; margin: 2.6rem 0 2rem; }
.tut-guide .tut-guide-steps > h2 { margin: 0 0 1.5rem; text-align: center; }
.tut-guide .tut-guide-steps > h2::after { left: 50%; transform: translateX(-50%); }
.tut-guide .tut-guide-steps__list { max-width: 56rem; margin: 0 auto; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.tut-guide-step { display: flex; gap: 14px; align-items: flex-start; margin: 0; padding: 18px 20px; border-radius: 12px; background: var(--tut-card); border: 1px solid var(--tut-line); scroll-margin-top: 90px; }
.tut-guide-step::before, .tut-guide-step::after { content: none; }
.tut-guide-step__num { flex: 0 0 32px; display: grid; place-items: center; width: 32px; height: 32px; margin-top: 1px; border-radius: 50%; font-size: .95rem; font-weight: 800; color: #fff; background: linear-gradient(135deg, #a855f7, #29beff); }
.tut-guide .tut-guide-step__title { margin: 0 0 .35rem; font-size: 1.05rem; line-height: 1.4; }
.tut-guide-step > div { min-width: 0; }
.tut-guide .tut-guide-step p { margin: 0; font-size: .97rem; line-height: 1.6; }
.tut-guide blockquote { margin: 1.4rem 0; padding: 20px 24px; border: 1px solid rgba(191, 104, 230, .3); border-left: 4px solid #bf68e6; border-radius: 0 12px 12px 0; background: rgba(26, 19, 69, .9); color: #f1ecff; box-shadow: none; }
.tut-guide blockquote p, .tut-guide blockquote cite { color: inherit; }
.tut-guide blockquote p:last-child { margin-bottom: 0; }
.tut-guide blockquote::before, .tut-guide blockquote::after { content: none; }
.tut-lesson-cta .tut-tool { max-width: 50rem; background: linear-gradient(135deg, rgba(124, 58, 237, .25), rgba(14, 165, 233, .1)), var(--tut-card); border-color: rgba(216, 180, 254, .25); }
.tut-lesson-cta .tut-tool__title { font-size: 1.2rem; }
.tut-lesson-cta .tut-tool__note { margin: 0; }
.tut-lesson-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.tut-lesson-nav__link { flex-direction: column; align-items: flex-start; gap: 4px; }
.tut-lesson-nav__link--next { grid-column: 2; align-items: flex-end; text-align: right; }
.tut-lesson-nav__link .tut-next__title { font-size: 1.05rem; line-height: 1.35; }
.tut-lesson-all__list { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 22px; max-width: 62rem; }
.tut-lesson-all__list a { display: flex; gap: 10px; align-items: baseline; padding: 6px 10px; border-radius: 9px; color: rgba(255, 255, 255, .86); line-height: 1.35; }
.tut-lesson-all__list a:hover { color: #fff; background: rgba(255, 255, 255, .06); }
.tut-lesson-all__list .is-current a { color: #fff; background: linear-gradient(90deg, rgba(191, 104, 230, .35), rgba(41, 190, 255, .12)); box-shadow: inset 3px 0 0 #bf68e6; }

@media (max-width: 1199px) {
  .tut-lessons { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 991px) {
  .tut-featured { grid-template-columns: 1fr; gap: 20px; }
  .tut-lessons { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .tut-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tut-watch { grid-template-columns: 1fr; }
  .tut-chapters { min-height: 0; }
  .tut-chapters__inner { position: static; }
  .tut-chapters__list { max-height: none; overflow: visible; }
  .tut-chapters.is-collapsible:not(.is-expanded) .tut-chapters__row:not(.is-lesson-start):not(.is-current) { display: none; }
  .tut-chapters.is-collapsible:not(.is-expanded) .tut-chapters__group { display: none; }
  .tut-chapters.is-collapsible:not(.is-expanded) .tut-chapter__lesson { display: block; }
  /* collapsed: one row per lesson, lesson title instead of the chapter title */
  .tut-chapters.is-collapsible:not(.is-expanded) .tut-chapters__row.is-lesson-start .tut-chapter__lesson { font-size: .95rem; font-weight: 600; letter-spacing: 0; text-transform: none; color: #fff; }
  .tut-chapters.is-collapsible:not(.is-expanded) .tut-chapters__row.is-lesson-start .tut-chapter__title { display: none; }
  .tut-learn { grid-template-columns: 1fr; }
  .tut-learn__media { min-height: 0; aspect-ratio: 16 / 9; }
}
@media (max-width: 767px) {
  .tut-intro { padding-top: 1rem; }
  .tut-h1 { font-size: 1.6rem; }
  .tut-h1-brand { display: block; margin-top: 4px; font-size: .7em; }
  .tut-h1--detail { font-size: 1.32rem; }
  .tut-section { margin-top: 2.25rem; }
  .tut-h2 { font-size: 1.3rem; }
  .tut-featured { margin-left: -12px; margin-right: -12px; }
  .tut-featured__info { padding: 0 12px; }
  .tut-featured .tut-player, .tut-watch .tut-player { border-radius: 0; box-shadow: none; }
  .tut-watch { margin-left: -12px; margin-right: -12px; gap: 14px; }
  .tut-watch .tut-chapters { margin: 0 12px; }
  .tut-actions { width: 100%; flex-direction: column; }
  .tut-lesson-page__note { margin: 8px 12px 0; }
  .tut-guide { font-size: 1rem; margin-top: 2rem; }
  .tut-guide h2 { font-size: 1.28rem; margin-top: 2.1rem; }
  .tut-guide table { display: block; overflow-x: auto; }
  .tut-shot { margin-left: -12px; margin-right: -12px; }
  .tut-shot__link { border-radius: 0; border-left: 0; border-right: 0; }
  .tut-shot figcaption { padding: 0 12px; }
  .tut-guide-step { padding: 14px; gap: 12px; }
  .tut-guide blockquote { padding: 16px; }
  .tut-lesson-nav, .tut-lesson-all__list { grid-template-columns: 1fr; }
  .tut-lesson-nav__link--next { grid-column: auto; }
  .tut-actions .btn { width: 100%; }
  /* lessons become compact rows: frame left, text right */
  .tut-lessons { grid-template-columns: 1fr; gap: 10px; }
  .tut-lesson { flex-direction: row; align-items: stretch; }
  .tut-lesson__media { flex: 0 0 132px; aspect-ratio: auto; min-height: 84px; }
  .tut-lesson__num { font-size: 2rem; }
  .tut-lesson .tut-badge { font-size: .7rem; padding: 2px 6px; bottom: 6px; }
  .tut-lesson .tut-badge--start { left: 6px; }
  .tut-lesson .tut-badge--len { display: none; }
  .tut-lesson__body { padding: 10px 12px; gap: 3px; justify-content: center; }
  .tut-lesson__title { font-size: .95rem; }
  .tut-lesson__blurb { font-size: .8rem; }
  .tut-lesson__more { display: none; }
  .tut-lesson .tut-eyebrow { font-size: .66rem; }
  .tut-lesson:is(:hover, :focus-visible) { transform: none; }
  .tut-path { padding: 18px 16px; }
  .tut-path__start { width: 100%; }
  .tut-steps { grid-auto-flow: row; grid-template-columns: 1fr; gap: 6px; }
  .tut-step { margin: 0; }
  .tut-steps__item + .tut-steps__item::before { left: 26px; top: -7px; width: 2px; height: 8px; background: linear-gradient(180deg, rgba(191, 104, 230, .7), rgba(41, 190, 255, .7)); }
  .tut-topics { margin-left: -12px; margin-right: -12px; padding: 0 12px; -webkit-mask: linear-gradient(90deg, transparent, #000 12px, #000 calc(100% - 24px), transparent); mask: linear-gradient(90deg, transparent, #000 12px, #000 calc(100% - 24px), transparent); }
  .tut-grid { grid-template-columns: 1fr; }
  .tut-takeaways { grid-template-columns: 1fr; }
  .tut-summary__lead { font-size: 1rem; margin-bottom: 1.5rem; }
  .tut-tool__actions .btn { width: 100%; }
  .tut-closing { padding: 16px; }
  .tut-closing__cta { width: 100%; }
  .tut-learn__body { padding: 18px; }
  .tut-learn__title { font-size: 1.18rem; }
  .tut-studio-banner .btn { width: 100%; }
  .tut-transcript__body { padding: 4px 14px 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .tut *, .tut *::before, .tut *::after { transition-duration: .01s !important; animation: none !important; }
  .tut-lesson:hover, .tut-card:hover { transform: none; }
}

/* Native dialog lightbox: only [open] gets a display mode (closed dialogs stay hidden). */
html.tut-lightbox-open { overflow: hidden; }
.tut-shot__link[aria-haspopup="dialog"] { cursor: zoom-in; }
.tut-lightbox { position: fixed; inset: 0; margin: 0; padding: 16px 24px; width: 100vw; max-width: 100vw; height: 100dvh; max-height: 100dvh; border: 0; border-radius: 0; background: rgba(6, 5, 20, .97); color: #f1ecff; box-sizing: border-box; }
.tut-lightbox[open] { display: flex; flex-direction: column; gap: 12px; }
.tut-lightbox::backdrop { background: rgba(0, 0, 0, .85); }
.tut-lightbox__toolbar { display: flex; align-items: center; gap: 16px; flex: 0 0 auto; min-height: 44px; }
.tut-lightbox__counter { font-variant-numeric: tabular-nums; color: #d1c6ea; }
.tut .tut-lightbox__original { margin-left: auto; color: #a4e5ff; text-decoration: underline; text-underline-offset: 3px; }
.tut-lightbox button { display: grid; place-items: center; flex: 0 0 44px; width: 44px; height: 44px; padding: 0; border: 1px solid rgba(255, 255, 255, .25); border-radius: 10px; color: #fff; background: #211b3b; font-size: 1.6rem; line-height: 1; cursor: pointer; }
.tut-lightbox button:hover { background: #413066; }
.tut-lightbox button:focus-visible, .tut-lightbox a:focus-visible { outline: 3px solid #91dcff; outline-offset: 3px; }
.tut-lightbox button[hidden] { display: none; }
.tut-lightbox__stage { flex: 1 1 auto; min-height: 0; display: flex; align-items: center; justify-content: center; }
.tut-lightbox__image { display: block; max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.tut-lightbox__bottom { display: flex; align-items: center; justify-content: center; gap: 16px; flex: 0 0 auto; }
.tut-lightbox__caption { flex: 0 1 64rem; min-width: 0; margin: 0; text-align: center; font-size: .95rem; line-height: 1.5; color: #e3dcf4; max-height: 18dvh; overflow: auto; }
@media (max-width: 767px) {
  .tut-lightbox { padding: 8px 10px; gap: 8px; }
  .tut-lightbox__toolbar, .tut-lightbox__bottom { gap: 10px; }
  .tut-lightbox__original, .tut-lightbox__caption { font-size: .85rem; }
}