/* Shared brand and restrained presentation. Body copy and controls stay readable. */
.company-brand,.brand{display:flex;align-items:center;gap:14px}.company-brand img,.brand-symbol{width:50px;height:30px;flex-shrink:0;object-fit:contain}.company-brand{font-size:19px;font-weight:500;letter-spacing:0}.brand-copy strong{font-size:20px!important;font-weight:500!important;letter-spacing:0!important}.brand-copy small{font-size:14px!important;line-height:1.6}.product-nav{font-size:14px!important}
h1{font-weight:500!important;letter-spacing:-.6px!important;font-size:clamp(28px,3.2vw,40px)!important;line-height:1.25!important}.hero{padding-top:58px;padding-bottom:48px}.hero h1{max-width:820px}.hero .lead,.lede{font-size:18px;line-height:1.65;max-width:670px}.section-heading h2{font-size:27px;letter-spacing:-.3px}.product-card{border:0;border-radius:0;background:transparent;border-top:1px solid #29414e}.product-copy{padding:30px 24px 30px 0}.product-copy h3{font-size:25px;letter-spacing:-.3px}.product-status{font-size:14px;color:#b4c9d1}.product-card img{background:none}.note,.eyebrow{font-size:14px}.eyebrow{letter-spacing:.7px;font-weight:400}.review-note{border:0;border-top:1px solid #29414e;border-radius:0;padding:24px 0}.review-note h3{font-weight:500}.principles article{border:0}.principles h3{font-size:20px}.principles span{font-size:14px}.primary{font-weight:500;background:#b3e3d6}.search-area{padding-top:26px}.breadcrumb{font-size:14px}.story-heading h2{font-size:23px;font-weight:500}.story-caption h3{font-size:21px;font-weight:500}.three-heading strong{font-weight:500}.story-caption .sentence-cue{background:transparent;padding:0;color:#b3e3d6}.story-kicker,.evidence-key{font-size:14px}.evidence-key span{border:0;background:none;padding:0}.story-screen{border-radius:0}.story-player,#story-player{box-shadow:none;border-radius:0;border:0;background:transparent}.story-caption,.three-tools{background:#0b1d2a}.three-tools{border-top:0}.story-safety,.learning-tools>details,#story-transcript{background:transparent;border:0;border-top:1px solid #36525c;border-radius:0}.story-safety{padding-top:24px}.story-safety h3{font-size:20px;font-weight:500}.learning-tools>details{margin-top:0;margin-bottom:0}.learning-tools summary,#story-transcript summary,.visual-notes summary,.risk-detail summary{min-height:44px;cursor:pointer;padding:12px 0;font-size:16px}.visual-notes{margin:0 22px}.visual-notes .story-note{margin:8px 0 18px}.risk-detail{margin:16px 0}.safety-numbers{border:0!important;background:none!important;padding:0!important}.story-note{font-size:14px}.organ-explanation{border-radius:0}.profile-disclosure{border:0}.profile-disclosure .perspective{border:0;background:transparent}.profile-disclosure>summary span{font-size:14px}.three-tools button{font-weight:400}.feature-link{box-shadow:none}.side-note h2{font-size:24px;font-weight:500}body:has(#story-player:not([hidden])) #search-heading{font-size:25px!important}.story-safety p,.story-caption p{line-height:1.7}#three-structure{border:0;border-radius:0;background:none}
@media(max-width:700px){.company-brand{font-size:18px;gap:12px}.brand-copy strong{font-size:18px!important}.brand-symbol,.company-brand img{width:43px;height:26px}.hero{padding:36px 0}.hero h1{font-size:29px!important}.hero .lead,.lede{font-size:17px}.section-heading h2{font-size:24px}.product-copy{padding:24px 0}.product-copy h3{font-size:23px}.brand{gap:10px}.product-nav{gap:18px}body:has(#story-player:not([hidden])) #search-heading{font-size:23px!important}.story-heading h2{font-size:22px}.story-caption h3{font-size:20px}.three-heading strong{font-size:18px}.visual-notes{margin:0 18px}.review-note{padding:24px 0}}

/* Always-visible compact perspective choices, with native keyboard selection. */
.profile-choices{margin:0 0 24px}.profile-choices .perspective{margin:0}.profile-choices legend{font-size:16px;margin-bottom:10px}.profile-choices .perspective-options{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}.profile-choices .perspective-options label{min-height:52px;padding:6px 8px;gap:2px;border-radius:5px;font-size:14px;line-height:1.35;text-align:center}.profile-choices .perspective-options label span{padding:0}.profile-choices .perspective-options small{font-size:13px;line-height:1.3;color:#b7ccd3}.profile-choices .perspective-options input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap;border:0}.profile-choices .perspective-options label:has(input:checked){background:#b3e3d6;color:#102432;border-color:#b3e3d6;box-shadow:inset 0 0 0 2px #102432;font-weight:700}.profile-choices .perspective-options label:has(input:checked) small{color:#23423d}.profile-choices .perspective-options label:has(input:focus-visible){outline:3px solid #f4f8fb;outline-offset:3px}.profile-choices #perspective-help{font-size:14px;line-height:1.5;margin:10px 0 4px}.profile-choices .perspective-state{font-size:14px}.profile-choices #clear-perspective{font-size:14px;min-height:44px}@media(max-width:700px){.profile-choices .perspective-options{grid-template-columns:repeat(2,minmax(0,1fr))}.profile-choices .perspective-options label{min-height:52px;padding:6px 8px}}

/* Inline timings let choices fit their content while preserving touch targets. */
.profile-choices .perspective-options{display:flex;flex-wrap:wrap;gap:6px}.profile-choices .perspective-options label{flex-direction:row;flex:0 1 auto;min-height:44px;padding:8px 12px;gap:5px;max-width:100%;justify-content:center}.profile-choices .perspective-options label span{min-width:0}.profile-choices .perspective-options small{white-space:nowrap;flex-shrink:0}.profile-choices .perspective-state{min-height:0;margin-top:4px}.profile-choices #perspective-status{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap;border:0}.profile-choices #clear-perspective{margin-left:auto}@media(max-width:700px){.profile-choices .perspective-options label{min-height:44px;padding:8px 10px}}

/* A single manual playback control lives directly below the anatomy figure. */
.story-screen{grid-template-areas:"anatomy caption" "playback caption";grid-template-rows:minmax(490px,auto) auto}.story-screen>.anchored-scene{grid-area:anatomy}.story-screen>.story-caption{grid-area:caption}.story-screen>.story-controls{grid-area:playback;margin:0;padding:14px 18px;background:#0b1d2a;align-items:center}.story-screen>.story-controls button{min-height:44px}.feature-link{font:inherit;color:inherit;text-align:left;cursor:pointer;width:100%}@media(max-width:850px){.story-screen{grid-template-areas:"anatomy" "playback" "caption";grid-template-rows:auto auto auto}.story-screen>.story-controls{padding:12px 14px;gap:7px}.story-screen>.story-controls button{padding:10px 12px}}

body:has(#story-player:not([hidden])) #search-hint{display:none!important}
.model-heading .human-context-label{text-transform:none}
/* Compact visible chips inside accessible 44 px hit areas. */
.profile-choices .perspective-options{gap:2px 6px}.profile-choices .perspective-options label{position:relative;border:0;background:transparent;box-shadow:none;min-height:44px;padding:6px 9px;font-size:13px;gap:4px;isolation:isolate}.profile-choices .perspective-options label::before{content:"";position:absolute;inset:6px 0;border:1px solid #3a505e;border-radius:5px;background:#12202a;z-index:-1}.profile-choices .perspective-options label:has(input:checked){background:transparent;border:0;box-shadow:none;color:#102432}.profile-choices .perspective-options label:has(input:checked)::before{background:#b3e3d6;border-color:#b3e3d6;box-shadow:inset 0 0 0 2px #102432}.profile-choices .perspective-options label:hover::before{border-color:#7bacaa}.profile-choices .perspective-options small{font-size:13px}.profile-choices .perspective-options label:has(input:focus-visible){outline:2px solid #f4f8fb;outline-offset:1px}@media(max-width:700px){.profile-choices .perspective-options label{padding:6px 9px}}

.anchored-scene:not(.three-ready) .three-heading{display:flex}.anchored-scene:not(.three-ready) .three-heading>:not(.human-context-label){display:none}
@media(max-width:850px){.anchored-scene.three-ready{height:460px}.anchored-scene.three-ready #story-body{top:96px;height:calc(100% - 96px)}.three-heading span{max-width:none}}

/* Center each wrapped row with consistent spacing. */
.profile-choices .perspective-options{justify-content:center;gap:2px 14px}
.story-perspective-again{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;max-width:900px;margin:0 auto;padding:14px 18px 4px;background:#0b1d2a;border-top:1px solid #29414e}.story-perspective-again label{font-size:14px;color:#b7cbd5}.story-perspective-again select{font:inherit;font-size:15px;min-height:44px;max-width:100%;padding:8px 36px 8px 12px;color:#e2eef3;background:#142631;border:1px solid #49616c;border-radius:6px}.story-perspective-again select:focus-visible{outline:3px solid #f4f8fb;outline-offset:3px}.story-screen>.story-controls #story-play-bottom{background:#b3e3d6;color:#102432;border-color:#b3e3d6;font-weight:600}.story-screen>.story-controls button[aria-pressed="true"]{box-shadow:inset 0 0 0 2px currentColor}
@media(max-width:700px){.story-perspective-again{padding:14px 18px 4px}.story-perspective-again label{width:100%;text-align:center}.story-perspective-again select{width:100%}}

/* Primary playback belongs to the title header; replay/mute remain by the figure. */
.story-heading{align-items:center;gap:20px}.header-playback{display:flex;align-items:center;gap:18px;flex-shrink:0}.header-playback #story-play{font:inherit;font-size:16px;font-weight:600;min-height:44px;padding:12px 18px;border:1px solid #bcebe1;border-radius:7px;background:#bcebe1;color:#102432;cursor:pointer;white-space:nowrap}.header-playback #story-play:focus-visible{outline:3px solid #f4f8fb;outline-offset:4px}@media(max-width:700px){.story-heading{align-items:flex-start;flex-direction:column;gap:10px}.header-playback{width:100%;justify-content:space-between}.header-playback #story-play{font-size:15px;padding:11px 16px}}

.secondary-exploration{padding-top:14px;border-top:1px solid #29414e}.secondary-exploration .evidence-key{margin-top:12px;margin-bottom:14px}.story-heading{padding-bottom:18px}

/* Minimal centered story question and one primary playback button. */
.story-heading{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;padding:24px 16px}.story-heading h2{margin:0;max-width:100%;line-height:1.35}.story-heading .header-playback{width:auto;justify-content:center}.story-heading [hidden]{display:none!important}@media(max-width:700px){.story-heading{align-items:center;gap:12px;padding:22px 12px}.story-heading h2{font-size:22px}}

.header-playback #story-play{display:inline-flex;flex-direction:column;align-items:center;gap:4px;white-space:normal;max-width:100%;text-align:center}.header-playback #story-play small{font-size:13px;font-weight:400;line-height:1.35}.story-heading .header-playback{max-width:100%}

.header-playback{justify-content:center;flex-wrap:wrap}.narration-language-label{font-size:13px;display:flex;flex-direction:column;gap:4px;text-align:left}.narration-language-label select{font:inherit;font-size:15px;min-height:44px;padding:8px 12px;color:#e2eef3;background:#142631;border:1px solid #49616c;border-radius:6px}.story-heading .language-note{margin:0;max-width:640px;font-size:12px;line-height:1.5;color:#b6cbd4}.story-heading .language-note:empty{display:none}#story-caption[lang="hi"]{line-height:1.9}
.related-videos{margin:24px 0;padding:22px;border-top:1px solid #d7e3e3}.related-videos h3{margin:0 0 8px}.related-videos>p,.video-cards p{font-size:14px;line-height:1.6}.video-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:16px 0}.video-cards article{padding:18px;border:1px solid #d7e3e3;border-radius:14px;background:#f8fbfa}.video-cards h4{margin:0 0 10px;font-size:16px;line-height:1.5}.video-meta,.video-selection-note{color:#536567}.related-videos .video-selection-note{font-size:12px;max-width:850px}#video-search{display:inline-block;padding:10px 0;min-height:44px;box-sizing:border-box}
/* One anatomy surface, with text and controls outside its bounds. */
.story-screen{grid-template-columns:1fr;grid-template-areas:"heading" "anatomy" "caption" "playback";grid-template-rows:auto 440px auto auto;max-width:900px;margin:0 auto;background:#0b1d2a}.story-screen>.three-heading{grid-area:heading;position:static;display:block!important;padding:14px 20px;border-bottom:1px solid #29414e;text-shadow:none}.story-screen>.three-heading strong{font-size:14px;font-weight:400;color:#b7cbd5}.story-screen>.anchored-scene,.story-screen>.anchored-scene.three-ready{height:440px;min-height:0}.story-screen #story-body{top:0;height:100%;width:100%}.story-screen>.story-caption{padding:20px 24px 12px;border:0;border-top:1px solid #29414e;display:block;min-height:126px}.story-screen .story-caption h3{font-size:17px;line-height:1.4;margin:0 0 9px}.story-screen .story-caption #story-caption{font-size:17px;line-height:1.65;max-width:72ch;margin:0}.story-screen .sentence-cue{display:none}.story-screen .sentence-position{font-size:12px;color:#a9c3ce;margin-top:10px!important}.story-screen>.story-controls{padding:0 24px 18px;gap:8px}.story-screen>.story-controls button{font-size:14px;padding:8px 12px}.story-screen #three-action{font-size:12px;bottom:8px;max-width:75%;padding:4px 8px}.story-screen #three-structure{float:right;width:min(30%,220px);margin:0 0 12px 20px}.story-screen #three-structure p{font-size:12px}.player-options{max-width:900px;margin:0 auto;border-bottom:1px solid #29414e}.player-options>summary{font-size:14px;min-height:44px;padding:13px 16px;cursor:pointer}.optional-organs{padding:0 20px 18px}.player-options .three-tools{padding:10px 20px}.player-options .section-navigation{padding:12px 20px}.related-videos{border-color:#29414e}.video-cards article{background:#102432;border-color:#36525c;border-radius:8px}.video-cards h4 a,.video-cards p{color:#e0edf1}.video-cards .video-meta,.video-selection-note{color:#b6cbd4}.video-selection-note{max-width:75ch}
@media(max-width:700px){.story-screen{grid-template-rows:auto 370px auto auto}.story-screen>.anchored-scene,.story-screen>.anchored-scene.three-ready{height:370px}.story-screen>.story-caption{padding:16px 18px 10px;min-height:130px}.story-screen .story-caption #story-caption{font-size:16px}.story-screen>.story-controls{padding:0 18px 16px}.story-screen #three-structure{float:none;width:190px;margin:0 auto 14px}.related-videos{padding:20px 4px}.video-cards{grid-template-columns:1fr}}
.story-heading .header-playback{display:grid;grid-template-columns:1fr auto 1fr;width:100%;gap:16px}.header-playback #story-play{grid-column:2}.header-playback .narration-language-label{grid-column:3;justify-self:start}@media(max-width:700px){.story-heading .header-playback{display:flex;flex-direction:column;gap:10px}.header-playback .narration-language-label{flex-direction:row;align-items:center;gap:10px}}
.story-screen .anchored-scene.three-ready #story-body{top:0;height:100%;inset:0}

/* Reserve caption space above the animation, in the same reading order. */
.story-screen{grid-template-areas:"heading" "caption" "anatomy" "playback";grid-template-rows:auto auto 440px auto}.story-screen>.story-caption{min-height:142px;box-sizing:border-box;border-top:0;border-bottom:1px solid #29414e;padding:20px 24px}.video-cards{grid-template-columns:repeat(3,minmax(0,1fr))}.video-cards article{min-width:0;overflow-wrap:anywhere}
@media(max-width:700px){.story-screen{grid-template-rows:auto auto 370px auto}.story-screen>.story-caption{min-height:170px;padding:16px 18px}.video-cards{grid-template-columns:1fr}}
.narration-timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:14px;font-size:12px;line-height:1.5}.narration-timeline span{padding:9px;border:1px solid #36525c;border-radius:5px;color:#b6cbd4}.narration-timeline .current{border-color:#b3e3d6;color:#ecf6f3;background:#193b40}@media(max-width:500px){.narration-timeline{grid-template-columns:1fr;gap:4px}}

/* Captions sit over the animation; the full transcript and question scrubber follow it. */
.story-screen{display:block!important;position:relative;grid-template-areas:none!important;grid-template-rows:none!important;max-width:900px;margin:0 auto;background:#0b1d2a}
.story-screen>.three-heading{position:absolute;z-index:4;inset:0 0 auto;padding:13px 18px;background:linear-gradient(180deg,rgba(7,20,29,.92),rgba(7,20,29,.58));border:0;pointer-events:none}
.story-screen>.anchored-scene,.story-screen>.anchored-scene.three-ready{position:relative;width:100%;height:auto!important;min-height:0;aspect-ratio:680/500;overflow:hidden}
.story-screen #story-body,.story-screen .anchored-scene.three-ready #story-body{position:absolute;inset:0!important;width:100%;height:100%!important;top:0}
.story-screen>.anchored-scene>.story-caption{position:absolute;z-index:5;inset:auto 0 0;margin:0;box-sizing:border-box;width:100%;max-height:40%;min-height:0;padding:14px 22px 12px;overflow:auto;background:rgba(5,17,25,.9);backdrop-filter:blur(7px);border:0;border-top:1px solid rgba(179,227,214,.45)}
.story-screen .story-caption h3{margin:0 0 5px;font-size:14px;line-height:1.35;color:#e9f3f5}
.story-screen .story-caption #story-caption{max-width:72ch;margin:0;font-size:clamp(15px,2vw,18px);line-height:1.5;color:#d6e8eb}
.story-screen .sentence-cue,.story-screen .sentence-position{display:none!important}
.story-screen>.story-controls{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:12px 16px;margin:0;background:#0b1d2a}
.story-screen>.story-controls button,.quick-player-controls button,.story-step-controls button{min-height:44px;border:1px solid #54717a;border-radius:6px;background:#142b37;color:#e7f1f3;padding:8px 13px;cursor:pointer}
.story-screen>.story-controls #story-play{background:#b3e3d6;color:#102432;border-color:#b3e3d6}
.quick-player-controls{display:flex;align-items:center;gap:7px}
.quick-player-controls button{font-size:17px;min-width:44px}
.story-navigation,.story-transcript-panel{max-width:900px;margin:0 auto;padding:16px 20px;background:#0b1d2a;color:#e3eef1;border-top:1px solid #29414e}
.story-sections{display:flex;flex-wrap:wrap;gap:7px;margin:8px 0 14px}
.story-sections button{min-height:40px;padding:7px 10px;border:1px solid #47616b;border-radius:5px;background:#122631;color:#dce9ec;text-align:left;cursor:pointer}
.story-sections button[aria-current="step"]{background:#b3e3d6;color:#102432;border-color:#b3e3d6;font-weight:700}
.story-seek-label{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:#c4d7dd}
.story-seek{display:block;width:100%;min-height:34px;margin:3px 0 8px;accent-color:#b3e3d6;cursor:pointer}
.story-step-controls{display:flex;flex-wrap:wrap;gap:7px}
.story-transcript-panel{padding-top:18px;padding-bottom:20px}
.transcript-heading h3{margin:0 0 4px;font-size:17px}.transcript-heading p{margin:0 0 12px;font-size:13px;color:#b6cbd4}
.story-transcript-scroll{max-height:19rem;overflow:auto;border:1px solid #36525c;border-radius:6px;padding:12px 14px;scrollbar-color:#769a9e #132833}
.transcript-section{padding:4px 0 12px;border-bottom:1px solid #29414e}.transcript-section:last-child{border:0}
.transcript-section h4{margin:5px 0;font-size:14px;color:#b3e3d6}
.transcript-section ol{margin:5px 0;padding-left:27px}.transcript-section li{padding:4px 0 8px;color:#c7dbe0}
.transcript-line{font:inherit;line-height:1.55;text-align:left;color:inherit;background:transparent;border:0;padding:3px 0;cursor:pointer}
.transcript-line[aria-current="true"]{color:#fff;background:#1c3a43;box-shadow:0 0 0 4px #1c3a43;border-radius:2px}
.transcript-section li>a{display:inline-block;margin:0 0 0 6px;font-size:12px;color:#a9d9d2;white-space:nowrap}
.transcript-sources{font-size:12px;color:#b6cbd4}.transcript-sources a{color:#b3e3d6}
@media(max-width:700px){.story-screen>.anchored-scene,.story-screen>.anchored-scene.three-ready{aspect-ratio:4/3}.story-screen>.three-heading{padding:10px 12px}.story-screen>.anchored-scene>.story-caption{max-height:47%;padding:10px 13px}.story-screen .story-caption #story-caption{font-size:15px;line-height:1.45}.story-navigation,.story-transcript-panel{padding:14px 12px}.story-sections{gap:5px}.story-sections button{font-size:12px;min-height:38px;padding:6px 8px}.story-transcript-scroll{max-height:16rem}}
@media(max-width:700px){.story-heading .header-playback{display:grid;grid-template-columns:auto auto;grid-template-areas:"play quick" "language language";justify-content:center;align-items:center;gap:9px 12px}.story-heading .header-playback #story-play{grid-area:play;grid-column:auto}.story-heading .header-playback .quick-player-controls{grid-area:quick;justify-self:start}.story-heading .header-playback .narration-language-label{grid-area:language;grid-column:auto;justify-self:center;flex-direction:row;align-items:center;gap:10px}}
.story-screen>.anchored-scene>#three-structure{position:absolute;z-index:3;top:54px;right:10px;float:none;width:min(34%,210px);margin:0;padding:7px 8px;background:rgba(8,24,33,.88);border:1px solid #36525c;border-radius:6px;pointer-events:none}.story-screen>.anchored-scene>#three-structure svg{display:block;width:100%;height:auto}.story-screen>.anchored-scene>#three-structure p{font-size:11px;line-height:1.4;margin:2px 0;color:#c4d7dd}

/* Keep translated player controls readable on narrow screens. */
.header-playback,.quick-player-controls,.narration-language-label{min-width:0;max-width:100%}
.quick-player-controls{flex-wrap:wrap}
.story-heading button{max-width:100%;overflow-wrap:anywhere;white-space:normal}
@media(max-width:480px){
 .story-heading .header-playback{width:100%;grid-template-columns:minmax(0,1fr);grid-template-areas:"play" "quick" "language";justify-items:center}
 .story-heading .header-playback .quick-player-controls{justify-self:center;justify-content:center}
 .story-heading .header-playback .narration-language-label{flex-wrap:wrap;justify-content:center}
 .suggestions{flex-wrap:wrap}
 .story-screen>.anchored-scene>.story-caption{max-height:55%}
 .story-seek-label{flex-wrap:wrap}
}