:root{color-scheme:dark;--ink:#effbf8;--muted:#b4cecb;--mint:#64ecce;--navy:#102f35}*{box-sizing:border-box}body{margin:0;background:#071d22;color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #ffc94a;outline-offset:5px}button{cursor:pointer}h1,h2,h3,p{margin-top:0}em{font-style:normal;color:var(--mint)}
#player{position:relative;height:100svh;min-height:600px;display:grid;grid-template-rows:auto minmax(0,1fr) auto;background:var(--navy);overflow:hidden;isolation:isolate}.ambient{position:absolute;inset:0;z-index:-1;overflow:hidden;background:radial-gradient(ellipse at 85% 25%,#24585166,transparent 60%)}.ambient i{position:absolute;border:1px solid #64ecce12;border-radius:50%;width:70vw;height:70vw;left:45%;top:-35%;animation:orbit 30s ease-in-out infinite alternate}.ambient i:nth-child(2){width:55vw;height:55vw;left:52%;top:-20%;animation-delay:-9s}.ambient i:nth-child(3){width:40vw;height:40vw;left:60%;top:-6%;animation-delay:-18s}@keyframes orbit{to{transform:translate(-6vw,12vh) scale(1.12)}}
.masthead{display:flex;justify-content:space-between;align-items:center;padding:26px 4.2vw;z-index:2}.brand{display:flex;align-items:center;gap:13px;font-size:30px;font-weight:800;text-decoration:none;letter-spacing:-1px}.brand img{border-radius:12px}.brand span{font-size:11px;letter-spacing:2px;font-weight:600;border-left:1px solid #537075;margin-left:12px;padding-left:24px;color:var(--muted)}.event{font-size:12px;font-weight:650;letter-spacing:2px;color:var(--muted)}
.slides{position:relative;min-height:0}.slide{padding:12px 4.2vw;display:grid;grid-template-columns:1fr 1.1fr;gap:3vw;align-items:center;height:100%;min-height:0}.js .slide{position:absolute;inset:0;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .55s ease,visibility 0s}.js .slide.active{opacity:1;visibility:visible;pointer-events:auto}.js .active .intro{animation:enter .75s both}.js .active .showcase,.js .active .founder-pair,.js .active .stats,.js .active .qr-hero{animation:enter 1s .12s both}@keyframes enter{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}.eyebrow{font-size:clamp(11px,.9vw,18px);letter-spacing:.16em;font-weight:650;margin:0 0 20px;color:var(--mint)}h1,.intro h2{font-size:clamp(44px,5.2vw,106px);font-weight:800;letter-spacing:-.055em;line-height:1.04;margin-bottom:24px}.lede{font-size:clamp(18px,1.65vw,34px);line-height:1.45;color:var(--muted);max-width:29ch;margin-bottom:22px}
.stats{display:grid;gap:3vh;padding-left:1vw}.stats article{border-top:1px solid #426369;padding-top:18px;display:grid;grid-template-columns:.8fr 1.2fr;gap:8px 20px;align-items:center}.stats strong{font-size:clamp(56px,7vw,140px);letter-spacing:-.07em;color:var(--mint);line-height:1;grid-row:span 2}.stats strong span{font-size:.4em;letter-spacing:-.02em}.stats h2{font-size:clamp(20px,1.65vw,34px);letter-spacing:-.02em;line-height:1.25;margin:0}.stats p{font-size:clamp(12px,.85vw,18px);line-height:1.5;color:var(--muted);margin:0}.stats a{text-underline-offset:3px}.source-note{grid-column:1/-1;font-size:clamp(12px,.8vw,16px);color:var(--muted);margin:0;align-self:end}.problem{grid-template-rows:1fr auto;row-gap:12px}
.athletes,.coaches{grid-template-columns:.68fr 1.32fr}.athletes h2,.coaches h2{font-size:clamp(44px,4.8vw,96px)}.benefits,.coach-steps{padding:0;list-style:none;display:grid;gap:12px;font-size:clamp(16px,1.15vw,24px);line-height:1.45}.benefits li:before{content:'↗';color:var(--mint);margin-right:12px}.coach-steps li{display:flex;gap:14px;align-items:baseline}.coach-steps b{color:var(--mint);font-size:.8em}.coaches{position:relative;padding-bottom:42px}.sharing-note{position:absolute;bottom:0;right:4.2vw;width:58%;text-align:center;font-size:clamp(11px,.85vw,17px);color:var(--muted);margin:0 0 6px}
.showcase{min-width:0;align-self:center}.screen-stage{position:relative;height:clamp(320px,51vh,650px);perspective:1400px}.screen{position:absolute;inset:0;margin:auto;padding:0;border:0;background:none;color:var(--ink);width:32%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;transition:transform .8s cubic-bezier(.2,.7,.2,1),opacity .7s;transform-origin:center}.screen img{display:block;max-height:calc(100% - 34px);max-width:100%;width:auto;object-fit:contain;border-radius:22px;box-shadow:0 24px 48px #0005}.screen>span{font-size:clamp(12px,.95vw,19px);white-space:nowrap;color:var(--muted)}.screen>span b{color:var(--mint);margin-left:6px}.screen[data-position=active]{transform:translateX(0) scale(1);z-index:3;opacity:1}.screen[data-position=previous]{transform:translateX(-101%) scale(.83) rotateY(8deg);z-index:1;opacity:.72}.screen[data-position=next]{transform:translateX(101%) scale(.83) rotateY(-8deg);z-index:1;opacity:.72}.screen[data-position=hidden]{transform:scale(.65);opacity:0;pointer-events:none;visibility:hidden}.screen:hover{opacity:1}.screen-picker{display:flex;justify-content:center;flex-wrap:wrap;gap:6px;margin-top:14px}.screen-picker button{padding:8px 12px;color:var(--muted);background:transparent;border:1px solid #537575;border-radius:30px;font-size:clamp(12px,.8vw,16px);min-height:36px}.screen-picker button[aria-pressed=true]{color:#092d2c;background:var(--mint);border-color:var(--mint)}.gallery-hint{text-align:center;font-size:clamp(11px,.8vw,16px);margin:10px 0 0;color:var(--muted)}.coach-showcase .screen-stage{height:clamp(300px,45vh,600px)}.coach-showcase .screen{width:76%;height:84%;left:-20%;bottom:auto;justify-content:flex-start;gap:8px}.coach-showcase .screen img{max-height:calc(100% - 32px);border-radius:12px}.coach-showcase .screen[data-position=active]{transform:translate(0,3%);z-index:3}.coach-showcase .screen[data-position=previous]{transform:translate(48%,34%) scale(.62);z-index:2}.coach-showcase .screen[data-position=next]{transform:translate(47%,-17%) scale(.6);z-index:1}.coach-showcase .screen>span{background:#123a3c;padding:4px 10px;border-radius:7px}.coach-showcase .screen[data-position=active] img{box-shadow:0 20px 70px #0008}
.founder-pair{display:grid;grid-template-columns:1fr 1fr;gap:2vw}.founder-pair article{min-width:0}.founder-visual{display:flex;gap:14px;align-items:center;margin-bottom:22px}.founder-pair .portrait{width:48%;aspect-ratio:1;height:auto;object-fit:cover;object-position:center 25%;border-radius:50%}.linkedin-qr{width:48%;max-width:170px;display:block;text-decoration:none;text-align:center;background:white;color:#102f35;border-radius:12px;padding:7px 7px 10px}.linkedin-qr img{width:100%;height:auto;display:block}.linkedin-qr span{font-size:clamp(11px,.85vw,16px);font-weight:750}.founder-pair h3{font-size:clamp(22px,1.8vw,36px);margin-bottom:9px;letter-spacing:-.03em}.founder-pair article>span{font-size:11px;letter-spacing:2px;color:var(--mint)}.founder-pair p{font-size:clamp(15px,1.15vw,23px);line-height:1.5;color:var(--muted);margin:16px 0 0}.business{font-size:clamp(16px,1.3vw,26px);line-height:1.6;color:var(--muted);margin:0}.business strong{display:inline-block;margin-top:12px;color:var(--ink);font-weight:600;font-size:.8em}
.qr-hero{justify-self:center;width:min(100%,470px,49vh);background:#fff;color:#102f35;text-align:center;padding:18px 18px 24px;border-radius:22px;text-decoration:none;box-shadow:0 24px 60px #0003}.qr-hero img{width:100%;height:auto;display:block}.qr-hero strong{display:block;font-size:clamp(23px,1.7vw,34px)}.qr-hero span{display:block;font-size:clamp(14px,1.1vw,22px);margin-top:10px}.stores{display:flex;gap:14px;margin:20px 0}.stores a{border:1px solid #70938e;background:#21444a;border-radius:13px;padding:14px 22px;font-size:clamp(18px,1.3vw,26px);font-weight:700;text-decoration:none}.stores small{display:block;font-size:13px;font-weight:400;margin-top:4px;color:var(--muted)}.languages{font-size:clamp(12px,.95vw,18px);line-height:1.7;color:var(--muted)}.contact{font-size:clamp(16px,1.2vw,24px);text-underline-offset:5px}
.slide-footer{position:relative;display:flex;justify-content:space-between;align-items:center;padding:12px 4.2vw 28px;gap:20px}.slide-footer>div>span{font-size:11px;letter-spacing:.14em;color:var(--muted)}.chapters{display:flex;gap:16px;margin-top:13px}.chapters button{border:0;border-top:2px solid #466565;border-radius:0;padding:10px 0 0;background:none;color:var(--muted);text-align:left;font-size:clamp(12px,.85vw,17px);min-width:85px;min-height:44px;transition:color .3s,border-color .3s}.chapters button span{margin-right:8px;font-size:.8em;opacity:.7}.chapters button[aria-current=true]{border-color:var(--mint);color:var(--mint)}.persistent-qr{display:flex;gap:16px;align-items:center;text-decoration:none}.persistent-qr img{border-radius:9px;width:86px;height:86px}.persistent-qr span{font-size:10px;letter-spacing:2px;line-height:1.8}.persistent-qr b{font-size:16px;letter-spacing:0}#player:has(.download.active) .persistent-qr{visibility:hidden}.timer{height:3px;position:absolute;bottom:0;left:0;right:0;background:#284a50}.timer span{display:block;height:100%;background:var(--mint);width:0;transition:width .1s linear}.controls{position:fixed;z-index:5;bottom:9px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:8px;background:#071d22f5;border:1px solid #426369;padding:8px;border-radius:14px;box-shadow:0 10px 40px #0006;font-size:12px;transition:opacity .3s;max-width:95vw}.controls button,.controls a,.controls select{background:#24454a;color:#f0fcf8;border:0;border-radius:8px;padding:10px;text-decoration:none;cursor:pointer;white-space:nowrap}.controls label{display:flex;gap:8px;align-items:center}.controls #counter{padding:0 6px;white-space:nowrap}.controls.idle:not(:focus-within):not(:hover){opacity:0;pointer-events:none}.sr-only{position:absolute;top:0;left:0;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.js .no-script{display:none}
#screen-viewer{width:min(1100px,94vw);height:92svh;max-height:92svh;padding:18px;border:1px solid #527370;border-radius:20px;background:#0b272d;color:var(--ink);overflow:hidden}#screen-viewer::backdrop{background:#020f13e8;backdrop-filter:blur(12px)}#screen-viewer[open]{display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:16px}.viewer-bar,.viewer-nav{display:flex;align-items:center;justify-content:space-between;gap:16px}.viewer-nav{justify-content:center}#screen-viewer button{padding:12px 18px;border:1px solid #73938d;border-radius:9px;background:#20484a;color:white}#viewer-image{width:100%;height:100%;min-height:0;object-fit:contain}#viewer-title{font-size:clamp(18px,2vw,26px)}#player[data-paused=true] .ambient i{animation-play-state:paused!important}
@media(min-width:1800px){.masthead{padding-top:38px;padding-bottom:38px}.brand{font-size:38px}.brand img{width:54px;height:54px}.brand span,.event{font-size:14px}.slide-footer{padding-top:22px;padding-bottom:38px}.persistent-qr img{width:112px;height:112px}.persistent-qr b{font-size:22px}.chapters{gap:24px}.chapters button{min-width:125px}.founder-visual{gap:24px}}
@media(max-width:800px),(max-height:570px){#player{height:auto;min-height:100svh;display:block}.masthead{padding:20px 5vw}.brand{font-size:23px}.brand img{width:34px;height:34px}.brand span,.event{display:none}.js .slide{position:relative;display:none}.js .slide.active{display:grid}.slide,.athletes,.coaches{grid-template-columns:1fr;gap:28px;padding:24px 5vw 30px}.intro h2,h1,.athletes h2,.coaches h2{font-size:clamp(44px,9vw,74px);margin-bottom:18px}.lede{font-size:21px}.stats{padding:0}.stats strong{font-size:64px}.stats article{padding:18px 0}.source-note{grid-column:auto}.screen-stage{height:400px}.screen{width:34%}.screen>span{font-size:11px}.screen img{border-radius:14px}.screen-picker button{min-height:44px}.coach-showcase .screen-stage{height:340px}.sharing-note{position:static;width:auto}.founder-pair{gap:24px}.founder-visual{flex-direction:column;gap:15px}.founder-pair .portrait{width:100px;height:100px}.linkedin-qr{width:135px;max-width:100%}.founder-pair h3{font-size:22px}.founder-pair p{font-size:15px}.qr-hero{width:min(100%,340px)}.slide-footer{padding:10px 5vw 130px;display:block}.chapters{gap:8px;flex-wrap:wrap}.chapters button{min-width:75px;font-size:11px}.persistent-qr{display:none}.controls{flex-wrap:wrap;justify-content:center;width:max-content}.controls label{font-size:0}.controls label select{font-size:12px}.controls.idle:not(:focus-within):not(:hover){opacity:1;pointer-events:auto}.download .stores a{padding:14px 16px}.download .contact{overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important}}
@media print{body,#player{background:white;color:#102f35;height:auto;display:block}.ambient,.masthead,.slide-footer,.controls,.timer,.screen-picker,.gallery-hint,#screen-viewer{display:none!important}.js .slide,.slide{display:grid!important;position:relative;inset:auto;visibility:visible;opacity:1;break-after:page;min-height:100vh;page-break-after:always}.slide p,.slide li,.slide .eyebrow,.slide em,.slide a{color:#123136}.slide .stats strong{color:#08796d}.slide .intro h2,.slide h1{font-size:52px}.sharing-note{position:static}}
/* Light mode changes the presentation frame, preserving real app screenshots. */
:root[data-theme=light]{color-scheme:light;--ink:#102f35;--muted:#486a69;--mint:#007b6d;--navy:#edf7f4}[data-theme=light] body{background:#edf7f4}[data-theme=light] .ambient{background:radial-gradient(ellipse at 85% 25%,#b0efda99,transparent 65%)}[data-theme=light] .ambient i{border-color:#08796d12}[data-theme=light] .screen-picker button{border-color:#9bbdb5}[data-theme=light] .screen-picker button[aria-pressed=true]{background:#08796d;color:#fff}[data-theme=light] .coach-showcase .screen>span{background:#e2f3ed}[data-theme=light] .stores a{background:#fff;border-color:#93b6aa}[data-theme=light] .stats article,[data-theme=light] .chapters button{border-color:#aac8be}[data-theme=light] .chapters button[aria-current=true]{border-color:#007b6d}[data-theme=light] .controls{background:#f5fcf9f5;border-color:#9bbdb5;box-shadow:0 8px 35px #0a333322}[data-theme=light] .controls button,[data-theme=light] .controls a,[data-theme=light] .controls select{background:#dcefe8;color:#102f35}[data-theme=light] #screen-viewer{background:#edf7f4;color:#102f35}[data-theme=light] #screen-viewer::backdrop{background:#e8f5efd9}[data-theme=light] #screen-viewer button{background:#dcefe8;color:#102f35}[data-theme=light] .timer{background:#cfdfd8}
/* Keep the controls clear of chapter buttons, including when playback is paused. */
@media(min-width:801px) and (min-height:571px){.slide-footer{padding-bottom:82px}.screen-stage{height:clamp(300px,46vh,620px)}.coach-showcase .screen-stage{height:clamp(280px,40vh,540px)}.coach-showcase .screen{height:95%}.coaches .intro h2{font-size:clamp(42px,4.5vw,92px)}.coaches .lede{margin-bottom:14px}.sharing-note{font-size:clamp(11px,.8vw,16px)}}
@media(max-width:800px),(max-height:570px){.athlete-showcase .screen-stage{height:clamp(320px,110vw,450px);overflow:hidden}.athlete-showcase .screen{width:56%}.athlete-showcase .screen[data-position=previous]{transform:translateX(-85%) scale(.72)}.athlete-showcase .screen[data-position=next]{transform:translateX(85%) scale(.72)}.screen-stage{touch-action:pan-y}.chapters button{min-height:48px}.coach-showcase .screen-stage{height:290px}}
.controls button,.controls a,.controls select{min-height:44px}.controls button{min-width:44px}
@media(max-width:360px){.controls #counter{display:none}.controls label select{max-width:112px}.slide-footer{padding-bottom:160px}.founder-pair{gap:16px}.founder-pair h3{font-size:20px}}
html:not(.js) #player{display:block;height:auto}html:not(.js) .slide{height:auto;min-height:100vh}
.coach-showcase .screen[data-position=previous]{transform:translate(48%,20%) scale(.62);opacity:1}.coach-showcase .screen[data-position=next]{opacity:1}

/* Longer, explicit problem statement without crowding the evidence. */
.problem .intro h1{font-size:clamp(40px,4.5vw,90px)}.problem .lede{max-width:35ch}.athletes .intro h2{font-size:clamp(40px,4.1vw,82px)}

/* A height-aware composition grows with a TV or projector without widening
   beyond its readable aspect ratio. vh comes first for older TV browsers. */
@media screen{#player{height:100vh;height:100svh}}
@media screen and (min-width:801px) and (min-height:571px){
 :root{--du:1vw;--du:min(1vw,1.77778vh)}
 #player{width:100%;max-width:177.778vh;min-height:0;margin:0 auto}
 .masthead{padding:calc(var(--du)*1.3) calc(var(--du)*4.2)}
 .brand{font-size:calc(var(--du)*2.1);gap:var(--du)}
 .brand img{width:calc(var(--du)*3.1);height:calc(var(--du)*3.1)}
 .brand span,.event{font-size:clamp(10px,calc(var(--du)*.85),34px);letter-spacing:.12em}
 .brand span{padding-left:calc(var(--du)*1.5);margin-left:var(--du)}
 .slide{gap:calc(var(--du)*3);padding:calc(var(--du)*.6) calc(var(--du)*4.2);overflow:auto;overscroll-behavior:contain;align-content:center}
 .slide>*{min-width:0}
 h1,.intro h2,.athletes .intro h2,.coaches .intro h2,.problem .intro h1{font-size:calc(var(--du)*4.2);margin-bottom:calc(var(--du)*1.4)}
 .lede{font-size:calc(var(--du)*1.6);margin-bottom:calc(var(--du)*1.4)}
 .eyebrow{font-size:clamp(11px,calc(var(--du)*.85),34px);margin-bottom:calc(var(--du)*1.1)}
 .stats{gap:calc(var(--du)*2);padding-left:var(--du)}
 .stats article{padding-top:var(--du);gap:calc(var(--du)*.6) calc(var(--du)*1.3)}
 .stats strong{font-size:calc(var(--du)*6.3)}
 .stats h2{font-size:calc(var(--du)*1.6)}
 .stats p,.source-note{font-size:clamp(11px,calc(var(--du)*.85),34px)}
 .problem{row-gap:calc(var(--du)*.7)}
 .benefits,.coach-steps{font-size:calc(var(--du)*1.2);gap:calc(var(--du)*.8)}
 .coaches{padding-bottom:calc(var(--du)*2.4)}
 .sharing-note{right:calc(var(--du)*4.2);font-size:clamp(11px,calc(var(--du)*.8),32px)}
 .screen-stage{height:calc(var(--du)*29)}
 .coach-showcase .screen-stage{height:calc(var(--du)*26)}
 .screen{gap:calc(var(--du)*.8)}
 .screen img{max-height:calc(100% - var(--du)*2.4)}
 .screen>span{font-size:clamp(12px,calc(var(--du)*.95),38px)}
 .screen-picker{gap:calc(var(--du)*.5);margin-top:var(--du)}
 .screen-picker button{font-size:clamp(12px,calc(var(--du)*.85),34px);padding:calc(var(--du)*.5) calc(var(--du)*.8)}
 .gallery-hint{font-size:clamp(11px,calc(var(--du)*.8),32px);margin-top:calc(var(--du)*.6)}
 .founder-pair{gap:calc(var(--du)*2)}
 .founder-visual{gap:var(--du);margin-bottom:calc(var(--du)*1.5)}
 .linkedin-qr{max-width:none;border-radius:var(--du);padding:calc(var(--du)*.5)}
 .linkedin-qr span{font-size:clamp(11px,calc(var(--du)*.9),36px)}
 .founder-pair h3{font-size:calc(var(--du)*1.8);margin-bottom:calc(var(--du)*.6)}
 .founder-pair article>span{font-size:clamp(11px,calc(var(--du)*.8),32px)}
 .founder-pair p{font-size:calc(var(--du)*1.15);margin-top:var(--du)}
 .business{font-size:calc(var(--du)*1.3)}
 .qr-hero{width:calc(var(--du)*27);padding:calc(var(--du)*1.2);border-radius:calc(var(--du)*1.5)}
 .qr-hero strong{font-size:calc(var(--du)*1.8)}
 .qr-hero span{font-size:calc(var(--du)*1.1)}
 .stores{gap:var(--du);margin:calc(var(--du)*1.4) 0}
 .stores a{font-size:calc(var(--du)*1.3);padding:var(--du) calc(var(--du)*1.5)}
 .stores small,.languages{font-size:clamp(12px,calc(var(--du)*.9),36px)}
 .contact{font-size:calc(var(--du)*1.2)}
 .slide-footer{padding:var(--du) calc(var(--du)*4.2) calc(var(--du)*5.5);gap:var(--du)}
 .slide-footer>div>span{font-size:clamp(10px,calc(var(--du)*.8),32px)}
 .chapters{gap:var(--du);margin-top:calc(var(--du)*.7)}
 .chapters button{font-size:clamp(11px,calc(var(--du)*.85),34px);min-width:calc(var(--du)*6.5);min-height:0;padding-top:calc(var(--du)*.7)}
 .persistent-qr img{width:calc(var(--du)*5.4);height:calc(var(--du)*5.4)}
 .persistent-qr span{font-size:clamp(10px,calc(var(--du)*.7),28px)}
 .persistent-qr b{font-size:calc(var(--du)*1.1)}
 .controls{bottom:calc(var(--du)*.5);gap:calc(var(--du)*.5);padding:calc(var(--du)*.5);font-size:clamp(12px,calc(var(--du)*.85),34px)}
 .controls button,.controls a,.controls select{padding:calc(var(--du)*.7);min-height:44px}
}
@media screen and (max-width:800px),screen and (max-height:570px){#player{height:auto;min-height:100vh;min-height:100svh}}
/* Native dialogs and modern viewport units are optional on older TV engines. */
#screen-viewer{height:92vh;max-height:92vh;height:92svh;max-height:92svh}
#screen-viewer[data-fallback]{position:fixed;inset:4vh 3vw;z-index:20;margin:auto;box-shadow:0 0 0 100vmax #071d22ed}