.presentation-feature{padding:76px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper)}
.presentation-feature-grid{display:grid;grid-template-columns:.9fr 1.3fr;gap:70px;align-items:center}.presentation-feature-copy h2{font-size:clamp(34px,3.5vw,51px);margin-bottom:20px}.presentation-feature-copy p{color:var(--muted);font-size:16px;line-height:1.7;margin-bottom:18px}.presentation-feature-copy .eyebrow{font-size:10px;letter-spacing:.17em;margin-bottom:17px}.presentation-feature-copy .text-link{font-size:15px}.feature-time-note{display:block;margin-top:18px;font-size:12px;color:var(--muted)}
.presentation-feature-cover{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;box-shadow:0 18px 42px -30px #102e4370;background:var(--ink)}.presentation-feature-cover img{width:100%;height:100%;object-fit:cover;transition:transform 1s cubic-bezier(.2,.7,.2,1)}.presentation-feature-cover:hover img{transform:scale(1.025)}.presentation-feature-cover:after{content:'';position:absolute;inset:50% 0 0;background:linear-gradient(transparent,#102e4366);pointer-events:none}.feature-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:66px;height:66px;display:grid;place-items:center;background:#faf8f1ee;color:var(--ink);border-radius:50%;padding-left:4px;font-size:18px;box-shadow:0 5px 20px #102e431a;transition:background .2s,scale .3s;z-index:1}.presentation-feature-cover:hover .feature-play{background:#fff;scale:1.08}.feature-cover-label{position:absolute;bottom:18px;left:22px;right:22px;display:flex;justify-content:space-between;align-items:center;gap:20px;color:#fff;font-size:13px;z-index:1}.feature-cover-label>span{font-size:10px;letter-spacing:.1em}
.presentation-intro{padding-top:34px;padding-bottom:28px}.presentation-back{font-size:12px;color:var(--muted);display:inline-block;margin-bottom:24px}.presentation-heading{display:flex;justify-content:space-between;align-items:end;gap:40px}.presentation-heading .eyebrow{font-size:10px;margin-bottom:13px}.presentation-heading h1{font-size:clamp(38px,4.1vw,61px);line-height:1.06;letter-spacing:-.035em}.presentation-heading>p{font-size:14px;line-height:1.7;color:var(--muted);padding-bottom:3px;flex-shrink:0}.presentation-room{padding-bottom:90px}.edition-choices{display:grid;grid-template-columns:repeat(3,1fr);margin-bottom:22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.edition-choice{text-align:left;position:relative;padding:20px 23px 19px;background:transparent;border:0;border-right:1px solid var(--line);color:var(--ink);transition:background .25s}.edition-choice:last-child{border-right:0}.edition-choice:hover{background:#e3e9e877}.edition-choice[aria-pressed=true]{background:#e0e7e6;box-shadow:inset 0 -3px var(--ink)}.edition-top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:6px;font-size:22px;font-variant-numeric:tabular-nums}.edition-top small{font-size:9px;letter-spacing:.1em;margin-left:3px}.recommended{font-size:9px;border:1px solid #102e4335;padding:3px 7px;line-height:1.5;letter-spacing:.015em}.edition-choice strong{display:block;font-family:var(--serif);font-size:24px;line-height:1.2;font-weight:400}.edition-description{display:block;font-size:11px;line-height:1.6;color:var(--muted);margin-top:6px}.presentation-stage{position:relative;aspect-ratio:16/9;background:#0b1f2d;overflow:hidden;isolation:isolate}.presentation-stage video{display:block;width:100%;height:100%;object-fit:contain}.presentation-stage video::cue{font-family:Arial,sans-serif;font-size:90%;color:white;background:#081925eb}.presentation-play{position:absolute;inset:0;width:100%;border:0;background:transparent;color:#fff;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;font-size:14px}.presentation-play[hidden]{display:none}.play-circle{display:grid;place-items:center;background:#faf8f1f5;color:var(--ink);border:1px solid #fff8;width:86px;height:86px;border-radius:50%;padding-left:5px;font-size:24px;box-shadow:0 10px 25px #102e4325;transition:transform .3s}.presentation-play:hover .play-circle{transform:scale(1.07)}#play-label{padding:7px 14px;background:#102e43e8;border-radius:2px;font-size:12px;letter-spacing:.02em}.presentation-error{position:absolute;inset:0;display:flex;justify-content:center;align-items:center;flex-wrap:wrap;align-content:center;gap:18px;background:#102e43f5;color:#fff;text-align:center;padding:25px;z-index:4;font-size:14px}.presentation-error[hidden]{display:none}.presentation-error p{width:100%}.presentation-error button{border:1px solid #fff;background:transparent;color:white;padding:8px 16px;font-size:13px}.presentation-error a{font-size:12px;border-bottom:1px solid #fff8}
.player-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0}.player-toolbar .eyebrow{font-size:9px;letter-spacing:.14em;margin-bottom:5px}.player-toolbar h2{font-size:28px;letter-spacing:-.025em}.player-toolbar p{font-size:12px;color:var(--muted);margin-top:5px}.player-tools{display:flex;gap:24px;align-items:center}.player-tools button{border:0;background:none;font-size:12px;padding:9px 0}.player-tools button[aria-pressed=true]{color:var(--gold)}#caption-toggle{display:flex;gap:9px;align-items:center;font-weight:600}#caption-toggle span{font-weight:400}#copy-presentation{display:flex;gap:15px;align-items:center}.share-field{width:100%;font-size:13px;padding:12px;margin-bottom:15px;border:1px solid var(--line);background:var(--light)}
.presentation-chapters{display:grid;grid-template-columns:auto minmax(200px,1fr) auto;align-items:center;gap:22px;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:12px}.presentation-chapters>label{font-size:12px;color:var(--muted)}.presentation-chapters select{width:100%;min-width:0;background:var(--light);border:1px solid var(--line);border-radius:0;color:var(--ink);padding:11px 34px 11px 12px;font-size:12px;cursor:pointer}.chapter-shortcuts{display:flex;gap:15px}.chapter-shortcuts button{background:none;border:0;border-bottom:1px solid #102e4340;padding:7px 0;display:flex;gap:12px;font-size:11px}.chapter-shortcuts button:hover{color:var(--gold)}
.presentation-resources{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin:38px 0}.presentation-download{display:grid;grid-template-columns:1fr auto;gap:9px 20px;padding:24px 26px;background:#e3e9e866;border:1px solid #bac5c26b;transition:background .25s}.presentation-download:hover{background:#dce6e3}.presentation-download>span:first-child{grid-column:1;font-size:9px;letter-spacing:.12em;color:var(--muted)}.presentation-download strong{grid-column:1;font:400 23px/1.2 var(--serif)}.presentation-download>span:last-child{grid-column:2;grid-row:1/3;align-self:center;font-size:25px;font-weight:400}.presentation-transcript{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.presentation-transcript>summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:30px;padding:20px 0;cursor:pointer;font:400 27px/1.3 var(--serif)}.presentation-transcript>summary::-webkit-details-marker{display:none}.presentation-transcript>summary span{font-family:var(--sans);font-size:24px}.presentation-transcript[open]>summary span{transform:rotate(45deg)}.transcript-heading{display:flex;justify-content:space-between;gap:25px;align-items:center;padding:12px 0 22px;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line)}.transcript-heading a{border-bottom:1px solid var(--line)}.transcript-chapter{display:grid;grid-template-columns:1fr 2fr;gap:45px;padding:25px 0;border-bottom:1px solid #cbc9bd70}.transcript-chapter:last-child{border:0}.transcript-chapter button{background:none;border:0;text-align:left;padding:0;align-self:start;line-height:1.5;font-size:14px;color:var(--ink)}.transcript-chapter button span{display:block;color:var(--gold);font-size:10px;margin-bottom:7px;font-variant-numeric:tabular-nums}.transcript-chapter p{font-size:14px;line-height:1.8;color:var(--muted);white-space:pre-line}.presentation-complete{display:flex;justify-content:space-between;align-items:center;gap:35px;background:#e0e7e6;margin-top:28px;padding:30px}.presentation-complete[hidden]{display:none}.presentation-complete h2{font-size:32px}.presentation-complete .eyebrow{font-size:9px;margin-bottom:10px}.presentation-complete p{font-size:13px;margin-top:10px}.presentation-complete .actions{justify-content:end}.presentation-complete .button{font-size:12px;padding:12px 18px;min-height:44px}.presentation-complete .text-link{font-size:12px}
@media(max-width:1000px){.presentation-feature-grid{gap:35px;grid-template-columns:1fr 1.25fr}.presentation-feature-copy h2{font-size:36px}.presentation-feature-copy p{font-size:14px}.edition-choice{padding:16px}.edition-choice strong{font-size:22px}.edition-description{font-size:10px}.presentation-heading{display:block}.presentation-heading>p{margin-top:18px}.presentation-heading>p br{display:none}.presentation-heading>p br:after{content:' '}.presentation-chapters{grid-template-columns:1fr 2fr}.chapter-shortcuts{grid-column:1/-1;justify-content:end}.presentation-download strong{font-size:21px}}
@media(max-width:760px){.presentation-feature{padding:45px 0}.presentation-feature-grid{display:flex;flex-direction:column;gap:28px;align-items:stretch}.presentation-feature-copy h2{font-size:36px}.presentation-feature-copy p{font-size:14px}.feature-time-note{font-size:11px;margin-top:13px}.feature-play{width:54px;height:54px;font-size:16px}.feature-cover-label{font-size:11px;left:15px;right:15px;bottom:13px}.feature-cover-label>span{font-size:9px}.presentation-intro{padding-top:24px;padding-bottom:24px}.presentation-back{margin-bottom:21px}.presentation-heading h1{font-size:40px;max-width:340px}.presentation-heading>p{font-size:13px;margin-top:15px}.presentation-heading>p br{display:initial}.presentation-heading .eyebrow{font-size:9px}.presentation-room{padding-bottom:55px}.edition-choices{gap:0;margin-bottom:16px}.edition-choice{padding:13px 9px 16px;min-height:128px}.edition-top{font-size:21px;display:block;line-height:1;margin-bottom:11px}.edition-top small{font-size:8px}.edition-choice strong{font-size:18px;line-height:1.2}.edition-description{display:none}.recommended{font-size:7px;padding:2px 4px;position:absolute;bottom:8px;left:9px}.edition-choice[aria-pressed=true]{box-shadow:inset 0 -2px var(--ink)}.play-circle{width:56px;height:56px;font-size:18px}.presentation-play{gap:9px}#play-label{font-size:10px;padding:4px 9px}.player-toolbar{display:block;padding:17px 0 14px}.player-toolbar h2{font-size:28px}.player-tools{justify-content:space-between;gap:15px;margin-top:10px}.player-tools button{font-size:11px}.presentation-chapters{display:block;padding:16px 0}.presentation-chapters>label{display:block;margin-bottom:9px;font-size:11px}.presentation-chapters select{font-size:11px;padding:11px}.chapter-shortcuts{justify-content:space-between;gap:12px;margin-top:14px}.chapter-shortcuts button{font-size:10px;gap:15px}.presentation-resources{grid-template-columns:1fr;gap:12px;margin:25px 0}.presentation-download{padding:20px}.presentation-download strong{font-size:23px}.presentation-transcript>summary{font-size:25px}.transcript-heading{font-size:10px;align-items:start;gap:15px}.transcript-chapter{display:block;padding:22px 0}.transcript-chapter p{margin-top:12px;font-size:13px}.transcript-chapter button{font-size:14px}.presentation-complete{display:block;padding:25px 20px}.presentation-complete .actions{justify-content:start;margin-top:20px}.presentation-error{font-size:12px;gap:10px;padding:18px}.presentation-error a,.presentation-error button{font-size:11px}}
@media(prefers-reduced-motion:reduce){.presentation-feature-cover img,.feature-play,.play-circle,.edition-choice{transition:none}}

#presentation-status{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Use the established animated button component for every presentation entry. */
.presentation-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:stretch}.presentation-actions .button{min-height:48px;padding:13px 22px;font:600 14px/1.35 var(--sans);letter-spacing:.005em;white-space:nowrap}.presentation-feature-copy .presentation-actions{margin-top:24px}.document-description .presentation-actions{flex-direction:row;align-items:stretch;gap:12px}