:root{--paper:#fff;--ink:#171815;--muted:#55594f;--line:#c9cdc3;--blue:#f4e3d7;--clay:#b8583a;--olive:#6f7d4d;--pale:#e9ecdf;--sans:'Avenir Next',Avenir,'Helvetica Neue',Arial,sans-serif;--mono:'SFMono-Regular',Consolas,monospace}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden}body{background:var(--slide-background,var(--paper));color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}.stage{position:absolute;left:50%;top:50%;width:1600px;height:900px;transform:translate(-50%,-50%) scale(var(--scale,1));transform-origin:center}.slide{position:absolute;inset:0;background:var(--paper);padding:88px 104px 100px;display:flex;flex-direction:column;justify-content:center;visibility:hidden;opacity:0}.slide.active{visibility:visible;opacity:1}.slide h1{font-size:70px;line-height:1.04;letter-spacing:-3.1px;font-weight:650;margin:0 0 46px;max-width:1360px}.slide p{margin:0}.slide .intro{font-size:34px;line-height:1.45;max-width:1000px}.hero{background:var(--blue)}.hero.olive,.end{background:var(--pale)}.hero h1{font-size:112px;line-height:.98;max-width:1190px;letter-spacing:-5px;margin-bottom:36px}.hero .intro,.end .intro{font-size:36px;max-width:1100px;line-height:1.5}.end h1{font-size:86px;max-width:1190px}.grid{display:grid;grid-template-columns:repeat(var(--cols,3),1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}.grid article{padding:34px 30px 40px;min-width:0}.grid article+article{border-left:1px solid var(--line)}.grid article:first-child{background:var(--blue)}.grid h2{font-size:35px;line-height:1.14;margin:0 0 23px;letter-spacing:-.8px;font-weight:650}.grid p{font-size:28px;line-height:1.44}.grid.four h2{font-size:30px}.grid.four p{font-size:25px}.note{font-size:25px;line-height:1.45;color:var(--muted);margin-top:30px!important;max-width:1280px}.prompt pre{white-space:pre-wrap;font-family:var(--sans);font-size:31px;line-height:1.5;margin:0;padding:30px 40px;border-left:5px solid var(--clay);background:#faf3ee}.prompt h1{margin-bottom:35px}.steps .grid h2{font-size:31px}.steps .grid p{font-size:25px}.compare .grid{--cols:2}.compare .grid h2{font-size:34px;line-height:1.3}.compare .grid article{padding:36px 38px}.trainers .people{display:flex;gap:56px}.person{display:grid;grid-template-columns:190px 1fr;align-items:center;gap:30px;flex:1}.person img{width:190px;height:245px;object-fit:cover;object-position:top;border-radius:2px;filter:grayscale(1)}.person h2{font-size:38px;line-height:1.1;margin:0 0 18px}.person p{font-size:25px;color:var(--muted);line-height:1.5}.links{display:flex;gap:28px;margin-top:30px;flex-wrap:wrap}.links a{color:var(--ink);font-size:25px;text-underline-offset:6px}.route{display:flex;gap:48px;margin-top:48px}.route a{color:var(--ink);font-size:28px;text-underline-offset:8px}.folio{position:absolute;bottom:34px;left:104px;right:104px;display:flex;justify-content:space-between;font-size:17px;color:#55594f}.chrome{position:fixed;bottom:12px;left:50%;transform:translateX(-50%);display:flex;gap:8px;align-items:center;z-index:4}.chrome button,.chrome a{display:grid;place-items:center;background:#fff;color:#171815;border:1px solid #a7aca0;border-radius:50%;width:44px;min-width:44px;height:44px;padding:0;text-decoration:none;cursor:pointer}.chrome svg{display:block}.chrome button:disabled{opacity:.35;cursor:default}.chrome button:focus-visible,.chrome a:focus-visible,.route a:focus-visible,.links a:focus-visible{outline:3px solid #165d9c;outline-offset:4px}.progress{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media print{html,body{height:auto;overflow:visible;background:#fff}.stage{position:static;transform:none;height:auto}.slide{position:relative;visibility:visible;opacity:1;width:1600px;height:900px;break-after:page}.chrome,.progress{display:none}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
/* Give each grid block a light fill without adding a new visual hierarchy. */
.balanced-grid .grid article:nth-child(2){background:#e9ecdf}
.balanced-grid .grid article:nth-child(3){background:#f2eee6}
.balanced-grid .grid article:nth-child(4){background:#e7eff0}
.balanced-grid .grid article:nth-child(5){background:#e8edf7}
/* Each layout supports a different teaching task. */
.slide{padding:68px 88px 100px}.slide h1{font-size:66px;letter-spacing:-2.6px;margin-bottom:36px}.folio{left:88px;right:88px}.hero h1{font-size:108px;letter-spacing:-4.5px}.end h1{font-size:84px}.intro{white-space:pre-line}.statement h1{font-size:88px;max-width:1150px}.statement .intro{font-size:40px;max-width:1170px;line-height:1.5}.statement .content{border-left:6px solid var(--clay);padding-left:48px}.grid h2{font-size:32px}.grid p{font-size:27px}.grid article{padding:30px}.grid.four article{padding:28px 24px}.grid.four h2{font-size:28px}.grid.four p{font-size:25px}.steps .grid{border:0;gap:14px}.steps .grid article{border:0;border-top:4px solid var(--clay);padding:28px 22px}.steps .grid h2{font-size:29px}.steps .grid p{font-size:25px}.exercise{background:#f6f7f2}.exercise .intro{font-size:32px;max-width:1280px;margin-bottom:30px}.exercise .grid{border-bottom:0}.exercise .grid article{background:transparent!important;padding:28px 30px 18px}.exercise .note{color:#7a3a24}.exercise .links{margin-top:20px}.prompt pre{font-size:31px;line-height:1.43}.media h1{font-size:60px;margin-bottom:28px}.media-layout{display:grid;grid-template-columns:.8fr 1.3fr;gap:44px;align-items:center}.media-copy .intro{font-size:30px;line-height:1.35;margin-bottom:22px}.point{margin-top:18px}.point h2{font-size:27px;line-height:1.15;margin:0 0 6px;letter-spacing:-.5px}.point p{font-size:24px;line-height:1.35}.media figure{margin:0;min-width:0}.media img{display:block;width:100%;height:auto;object-fit:contain;object-position:center;background:none;border:0}.media figcaption,figcaption,.source{font-size:18px;line-height:1.4;color:var(--muted);margin-top:12px}.media figcaption a,.source a{color:inherit;text-underline-offset:3px}.media .note{font-size:23px;margin-top:24px!important}.image-pair .intro{font-size:28px;max-width:1320px;margin-bottom:22px}.image-pair-layout{display:grid;grid-template-columns:repeat(2,minmax(0,430px));gap:34px;justify-content:center}.image-pair figure{margin:0;min-width:0}.image-pair img{width:100%;height:auto;display:block;background:none;border:0}.image-pair .note{font-size:23px;margin-top:16px!important}.image-pair .source{margin-top:12px}.site-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center}.site-layout .intro{font-size:30px;line-height:1.35;margin-bottom:22px}.site-concept{margin:0;border:1px solid var(--line);background:#f6f8f2}.mock-nav{padding:22px 28px;border-bottom:1px solid var(--line);font-size:20px;font-weight:650}.mock-nav span{float:right;font-weight:400;font-size:17px}.mock-body{padding:38px}.mock-body h2{font-size:43px;letter-spacing:-1.5px;line-height:1.05;margin:0 0 18px;max-width:400px}.mock-body p{font-size:23px;line-height:1.4;max-width:480px}.mock-action{display:inline-block;padding:12px 20px;background:#f4e3d7;font-size:20px;margin:22px 0}.mock-blocks{display:flex;gap:16px}.mock-blocks span{flex:1;background:#e9ecdf;padding:22px 16px;font-size:19px}.site-concept figcaption{padding:14px 28px;background:#fff;margin:0;border-top:1px solid var(--line)}a:focus-visible{outline:3px solid #165d9c;outline-offset:4px}
/* Image areas use the source crop ratio without a frame or letterboxing. */
.image-full figure{justify-self:end}
.image-full .image-window{position:relative;overflow:hidden;width:100%}
.image-full .image-window img{position:absolute;display:block;max-width:none;object-fit:fill;border:0;background:none}