/* Scoped light theme, based on the live timing stylesheets. */
.s-timing-app{--bg:#f7f5ef;--panel:#fffefa;--panel2:#eef5f8;--text:#163c3e;--muted:#526872;--line:#cddde5;--cyan:#116892;--amber:#8a5a28;--max:1130px;color-scheme:light}.s-timing-app *{box-sizing:border-box}.s-timing-app{scroll-behavior:smooth;scroll-padding-top:100px}.s-timing-app{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:1.0rem;line-height:1.75}.s-timing-app a{color:var(--cyan);text-decoration:none}.s-timing-app a:hover{text-decoration:underline}.s-timing-app button,.s-timing-app input,.s-timing-app select{font:inherit}.s-timing-app button,.s-timing-app .button{border:1px solid #b6cedb;border-radius:6px;padding:10px 16px;background:#fffefa;color:var(--text);cursor:pointer;font-size:0.8125rem;font-weight:650;line-height:1.5;display:inline-block}.s-timing-app button:hover,.s-timing-app .button:hover{background:#e5f3fc;text-decoration:none}.s-timing-app button:focus-visible,.s-timing-app a:focus-visible,.s-timing-app input:focus-visible,.s-timing-app select:focus-visible,.s-timing-app summary:focus-visible{outline:3px solid var(--amber);outline-offset:5px}.s-timing-app .primary{background:var(--cyan);border-color:var(--cyan);color:#ffffff}.s-timing-app .primary:hover{background:#075581;color:#ffffff}.s-timing-app .quiet{background:transparent;color:var(--muted)}.s-timing-app .skip{position:fixed;left:15px;top:-70px;background:var(--cyan);color:#000;padding:10px;z-index:20}.s-timing-app .skip:focus{top:8px}.s-timing-app .topbar{position:sticky;top:0;z-index:10;background:#f7f5eff5;backdrop-filter:blur(14px);border-bottom:1px solid var(--line);height:82px;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:20px}.s-timing-app .brand{display:flex;align-items:center;gap:14px;color:var(--text);font-size:0.8125rem;font-weight:700;letter-spacing:1.9px}.s-timing-app .brand:hover{text-decoration:none}.s-timing-app .brand small{display:block;font-weight:400;color:var(--muted);font-size:0.6875rem;letter-spacing:.6px;margin-top:2px}.s-timing-app .brand-mark{border:1px solid #5f918b;width:40px;height:40px;display:grid;place-items:center;border-radius:50%;font:italic 32px Georgia,serif;color:var(--cyan)}.s-timing-app .top-actions{display:flex;gap:16px;align-items:center}.s-timing-app .top-actions>a{font-size:0.75rem;color:var(--muted)}.s-timing-app #menu{display:none}.s-timing-app .layout{display:grid;grid-template-columns:230px 1fr;max-width:1600px;margin:auto}.s-timing-app .sidebar{position:sticky;top:82px;align-self:start;height:calc(100vh - 82px);overflow-y:auto;padding:35px 20px 25px 25px;border-right:1px solid var(--line);font-size:0.75rem}.s-timing-app .nav-label{font-size:0.5625rem;letter-spacing:1.6px;color:var(--muted)}.s-timing-app nav{margin:18px 0 26px}.s-timing-app nav a{display:flex;gap:13px;color:#526872;border-left:2px solid transparent;padding:8px 8px;font-size:0.6875rem}.s-timing-app nav a span{color:#3e5554;font-size:0.75rem}.s-timing-app nav a:hover,.s-timing-app nav a.active{background:#e3f1fa;border-color:var(--cyan);text-decoration:none}.s-timing-app nav a.active span{color:var(--cyan)}.s-timing-app .sidebar-note{font-size:0.6875rem;color:var(--muted);border-top:1px solid var(--line);padding-top:20px}.s-timing-app .sidebar-note p{font-size:0.6875rem;margin:10px 0 20px}.s-timing-app .status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--cyan);margin-right:6px}.s-timing-app main{min-width:0;padding:0 50px}.s-timing-app .section{padding:80px 0;border-bottom:1px solid var(--line);max-width:var(--max);margin:auto;scroll-margin-top:20px}.s-timing-app .hero{padding-top:65px}.s-timing-app .hero-grid{display:grid;grid-template-columns:1.22fr 1fr;align-items:center;gap:15px}.s-timing-app .eyebrow{color:var(--cyan);font-size:0.625rem;letter-spacing:2px;font-weight:650;margin:0 0 24px}.s-timing-app .hero h1{font:400 clamp(48px,5.7vw,82px)/1.04 Georgia,"Times New Roman",serif;letter-spacing:-3px;margin:0 0 28px}.s-timing-app .hero-deck{color:#3e5554;font-size:1.3125rem;line-height:1.45;max-width:530px}.s-timing-app .hero p:not(.eyebrow):not(.hero-deck){font-size:0.875rem;color:var(--muted)}.s-timing-app .button-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:24px 0 0}.s-timing-app .button span{margin-left:16px}.s-timing-app .hero-art{margin:0;position:relative;min-width:0}.s-timing-app .hero-art canvas{width:100%;height:390px;display:block}.s-timing-app .hero-art figcaption{font-size:0.5625rem;letter-spacing:1.8px;text-align:center;color:var(--muted)}.s-timing-app .hero-art figcaption span{color:var(--amber);margin:0 14px}.s-timing-app .hero-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:50px 0 25px;padding:25px 0}.s-timing-app .hero-strip span{font-size:0.5625rem;letter-spacing:1.8px;color:var(--cyan);display:block;margin-bottom:8px}.s-timing-app .hero-strip strong{font-size:0.8125rem;font-weight:500;display:block}.s-timing-app .notice{background:#edf4f6;border-left:3px solid var(--amber);padding:18px 22px;color:#526872;font-size:0.8125rem;margin:25px 0}.s-timing-app .notice strong{color:var(--text)}.s-timing-app .reading-path{margin-top:30px;font-size:0.8125rem}.s-timing-app .reading-path p{display:flex;gap:12px 28px;flex-wrap:wrap;margin:10px 0}.s-timing-app .section-heading{max-width:760px;margin-bottom:34px}.s-timing-app h2{font:400 clamp(34px,4vw,54px)/1.13 Georgia,"Times New Roman",serif;letter-spacing:-1.4px;margin:0 0 24px}.s-timing-app .lede{font-size:1.1875rem;line-height:1.6;color:#526872}.s-timing-app h3{font-size:1.1875rem;line-height:1.4;color:var(--text);font-weight:600;margin:0 0 16px}.s-timing-app h4{font-size:1.0625rem;line-height:1.45;margin:0 0 12px}.s-timing-app p{margin:0 0 20px;color:var(--muted)}.s-timing-app .two-col{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin:30px 0}.s-timing-app .two-col p{font-size:0.875rem}.s-timing-app .cards{display:grid;gap:16px;margin:28px 0}.s-timing-app .three{grid-template-columns:repeat(3,1fr)}.s-timing-app .two{grid-template-columns:repeat(2,1fr)}.s-timing-app .cards article,.s-timing-app .soft-card{background:var(--panel);border:1px solid var(--line);padding:25px;border-radius:8px}.s-timing-app .cards p{font-size:0.8125rem;margin-bottom:0}.s-timing-app .card-index{display:block;color:var(--cyan);font-size:0.6875rem;letter-spacing:1px;margin-bottom:20px}.s-timing-app .three .card-index{font:italic 35px Georgia,serif}.s-timing-app .lab{background:linear-gradient(125deg,#edf4f8,#fffefa);border:1px solid #b6cedb;border-radius:10px;padding:26px;margin:32px 0;overflow:hidden}.s-timing-app .lab-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.s-timing-app .lab-header h3{margin:12px 0 0;font-size:1.3125rem}.s-timing-app .pill{font-size:0.5625rem;letter-spacing:1.4px;color:var(--cyan);border:1px solid #b6cedb;padding:5px 8px;border-radius:3px}.s-timing-app .lab p{font-size:0.8125rem}.s-timing-app .lab-header .button-row{margin:0}.s-timing-app .lab-header button{font-size:0.6875rem;padding:8px 10px}.s-timing-app .control{margin:16px 0;min-width:0}.s-timing-app .control label{font-size:0.75rem;display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:12px;line-height:1.5;color:#3e5554}.s-timing-app .control output{color:var(--cyan);font-variant-numeric:tabular-nums;white-space:nowrap}.s-timing-app input[type=range]{width:100%;accent-color:var(--cyan);cursor:pointer;height:25px}.s-timing-app input[type=number],.s-timing-app select{width:100%;padding:10px 12px;border:1px solid #a2bac8;background:#ffffff;color:var(--text);border-radius:5px;font-size:0.8125rem;min-height:44px}.s-timing-app .control small{display:block;font-size:0.625rem;color:var(--muted);margin-top:6px}.s-timing-app .controls-grid{display:grid;grid-template-columns:1fr 1fr;gap:5px 30px}.s-timing-app canvas{max-width:100%;display:block;width:100%}.s-timing-app #layersCanvas{height:260px}.s-timing-app #geometryCanvas{height:410px}.s-timing-app #phaseCanvas{height:340px}.s-timing-app #contrastCanvas{height:340px}.s-timing-app #fringeCanvas{height:250px}.s-timing-app .caption{font-size:0.6875rem!important;line-height:1.7;color:#526872!important;margin:15px 0 0}.s-timing-app .stage-controls{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.s-timing-app .stage-controls [aria-pressed=true]{background:var(--cyan);color:#ffffff;border-color:var(--cyan)}.s-timing-app .split-lab{display:grid;grid-template-columns:1.7fr 1fr;align-items:center;gap:30px;margin-top:20px}.s-timing-app .lab-readout{border-left:1px solid var(--line);padding-left:24px}.s-timing-app .lab-readout>span{font-size:0.625rem;letter-spacing:1.5px;color:var(--cyan)}.s-timing-app .lab-readout strong{display:block;font-size:3.125rem;font-weight:400;line-height:1.7;font-variant-numeric:tabular-nums}.s-timing-app .lab-readout p{font-size:0.75rem;margin:12px 0}.s-timing-app .metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;margin:20px 0}.s-timing-app .metrics span{display:block;font-size:0.5625rem;letter-spacing:1.2px;color:var(--muted)}.s-timing-app .metrics strong{display:block;font-size:1.5625rem;line-height:1.8;color:var(--cyan);font-weight:500;font-variant-numeric:tabular-nums}.s-timing-app .metrics small{font-size:0.625rem;color:var(--muted)}.s-timing-app .legend{display:inline-block;width:16px;height:3px;vertical-align:middle;margin:0 5px 0 14px}.s-timing-app .legend.amber{background:var(--amber);margin-left:0}.s-timing-app .legend.cyan{background:var(--cyan)}.s-timing-app details{border-bottom:1px solid var(--line);padding:18px 0}.s-timing-app summary{cursor:pointer;font-size:0.875rem;font-weight:550;color:#163c3e;line-height:1.6;padding-right:15px}.s-timing-app details p{font-size:0.8125rem;margin:18px 0 0}.s-timing-app details[open] summary{color:var(--cyan)}.s-timing-app .research-question{padding:32px 30px;margin-top:30px;border:1px solid #b6c9bc;border-radius:8px;background:#eaf1ec}.s-timing-app .research-question span{font-size:0.625rem;color:var(--cyan);letter-spacing:1.7px}.s-timing-app .research-question p{font:400 25px/1.5 Georgia,serif;color:#163c3e;margin:15px 0 0}.s-timing-app .table-wrap{overflow-x:auto;margin:28px 0;border:1px solid var(--line);border-radius:8px}.s-timing-app table{width:100%;border-collapse:collapse;font-size:0.75rem;min-width:590px}.s-timing-app caption{text-align:left;padding:18px 20px;background:var(--panel);font-weight:600;color:var(--text)}.s-timing-app th{text-align:left;background:#e6eff3;color:var(--text);font-weight:550;padding:14px 20px}.s-timing-app td{padding:17px 20px;border-top:1px solid var(--line);vertical-align:top;color:var(--muted)}.s-timing-app td:first-child{color:#163c3e;width:24%;font-weight:500}.s-timing-app .equation-card{border:1px solid var(--line);border-left:2px solid var(--cyan);padding:24px;border-radius:5px;margin:18px 0;background:var(--panel)}.s-timing-app .equation-card>span{font-size:0.625rem;letter-spacing:1.3px;color:var(--cyan)}.s-timing-app .equation{font:22px/1.9 Georgia,serif;overflow-x:auto;margin:16px 0;white-space:normal;overflow-wrap:anywhere;color:#694c2d}.s-timing-app .equation-card p{font-size:0.8125rem;margin:0}.s-timing-app .steps{counter-reset:step;list-style:none;margin:30px 0;padding:0}.s-timing-app .steps li{counter-increment:step;padding:0 0 28px 62px;position:relative;border-left:1px solid #3d5b67;margin-left:20px}.s-timing-app .steps li:before{content:counter(step,decimal-leading-zero);position:absolute;left:-21px;top:0;border:1px solid #526d76;background:var(--bg);border-radius:50%;width:40px;height:40px;display:grid;place-items:center;color:var(--cyan);font-size:0.75rem}.s-timing-app .steps li:last-child{border-left-color:transparent}.s-timing-app .steps h3{font-size:1.0625rem}.s-timing-app .steps p{font-size:0.875rem}.s-timing-app .condition{border-top:1px solid var(--line);margin-top:20px;padding-top:15px;font-size:0.6875rem!important}.s-timing-app .condition strong{color:var(--text)}.s-timing-app .roadmap{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:30px 0}.s-timing-app .roadmap article{padding:26px;background:var(--panel);border-top:2px solid var(--cyan)}.s-timing-app .roadmap article>span{font-size:0.5625rem;letter-spacing:1.2px;color:var(--cyan)}.s-timing-app .roadmap h3{margin:18px 0}.s-timing-app .roadmap p{font-size:0.8125rem}.s-timing-app .roadmap strong{font-size:0.75rem;color:var(--amber)}.s-timing-app .collaboration-callout{background:linear-gradient(110deg,#e7f2ec,#e4f0f8);padding:32px;border:1px solid #b6c9bc;border-radius:9px;margin-top:35px}.s-timing-app .collaboration-callout h3{font:30px/1.3 Georgia,serif}.s-timing-app .glossary{display:grid;grid-template-columns:1fr 1fr;gap:16px 30px}.s-timing-app .glossary>div{border-bottom:1px solid var(--line);padding:15px 0}.s-timing-app .glossary dt{font-size:0.875rem;color:var(--cyan)}.s-timing-app .glossary dd{font-size:0.75rem;margin:8px 0;color:var(--muted)}.s-timing-app .references{padding-left:24px}.s-timing-app .references li{padding:12px 0 14px 12px;color:var(--muted);font-size:0.8125rem}.s-timing-app .references strong{color:var(--text);font-size:0.875rem}.s-timing-app .references p{font-size:0.75rem;margin:8px 0}.s-timing-app .references a{display:inline-block}.s-timing-app footer{max-width:var(--max);margin:auto;display:flex;gap:20px;align-items:flex-start;padding:45px 0 60px;font-size:0.8125rem}.s-timing-app footer p{font-size:0.75rem;margin:8px 0}.s-timing-app footer>a{margin-left:auto;font-size:0.75rem;white-space:nowrap}.s-timing-app .noscript{position:fixed;bottom:0;background:#ecc28d;color:#fffefa;padding:15px;z-index:15;width:100%;font-size:0.8125rem}
@media (min-width:1550px){.s-timing-app .hero h1{font-size:5.375rem}}@media (max-width:1200px){.s-timing-app main{padding:0 30px}.s-timing-app .layout{grid-template-columns:205px 1fr}.s-timing-app .sidebar{padding-left:15px;padding-right:15px}.s-timing-app .hero-grid{grid-template-columns:1.3fr .8fr}.s-timing-app .hero h1{font-size:3.875rem}.s-timing-app .hero-art canvas{height:310px}.s-timing-app .lab-header{align-items:flex-start;flex-direction:column}.s-timing-app .topbar{padding:0 22px}.s-timing-app .hero .button-row .button{font-size:0.75rem}.s-timing-app .metrics strong{font-size:1.375rem}}@media (max-width:950px){.s-timing-app .layout{display:block}.s-timing-app .sidebar{display:none}.s-timing-app .sidebar.open{display:block;position:fixed;left:0;right:0;top:82px;z-index:9;height:calc(100dvh - 82px);background:#f7f5ef;padding:25px}.s-timing-app .sidebar nav{display:grid;grid-template-columns:1fr 1fr}.s-timing-app #menu{display:inline-block}.s-timing-app main{padding:0 32px}.s-timing-app .hero-grid{grid-template-columns:1.2fr 1fr}.s-timing-app .hero h1{font-size:4.0625rem}.s-timing-app .top-actions>a{display:none}.s-timing-app .section{padding:65px 0}.s-timing-app .hero-art canvas{height:350px}}@media (max-width:620px){.s-timing-app{font-size:0.875rem}.s-timing-app .topbar{height:74px;padding:0 15px;gap:8px}.s-timing-app .brand{font-size:0.625rem;letter-spacing:1px;gap:9px}.s-timing-app .brand small{font-size:0.5rem;letter-spacing:0}.s-timing-app .brand-mark{width:31px;height:31px;font-size:1.5625rem}.s-timing-app .top-actions{gap:5px}.s-timing-app .top-actions button{padding:7px 8px;font-size:0.625rem}.s-timing-app #motion{max-width:83px}.s-timing-app .sidebar.open{top:74px;height:calc(100dvh - 74px)}.s-timing-app main{padding:0 20px}.s-timing-app .section{padding:50px 0}.s-timing-app .hero{padding-top:38px}.s-timing-app .hero-grid{grid-template-columns:1fr}.s-timing-app .hero h1{font-size:3.625rem;letter-spacing:-2.5px}.s-timing-app .hero-deck{font-size:1.25rem}.s-timing-app .hero-art{margin:20px 0 0}.s-timing-app .hero-art canvas{height:260px}.s-timing-app .eyebrow{font-size:0.5625rem;letter-spacing:1.6px}.s-timing-app .hero-strip{gap:15px;margin-top:30px;grid-template-columns:1fr}.s-timing-app .hero-strip div{padding:0 0 12px;border-bottom:1px solid var(--line)}.s-timing-app .hero-strip div:last-child{border:0;padding:0}.s-timing-app .hero-strip span{margin-bottom:3px}.s-timing-app .hero-strip strong{font-size:0.875rem}.s-timing-app .two-col,.s-timing-app .cards,.s-timing-app .roadmap,.s-timing-app .glossary,.s-timing-app .controls-grid,.s-timing-app .split-lab{grid-template-columns:1fr}.s-timing-app .two-col{gap:20px}.s-timing-app .lab{padding:18px;margin:25px 0}.s-timing-app .lab-header h3{font-size:1.1875rem}.s-timing-app .lab-header .button-row{gap:6px}.s-timing-app .lab-header button{font-size:0.625rem}.s-timing-app .lab-readout{border-left:0;border-top:1px solid var(--line);padding:20px 0 0}.s-timing-app .lab-readout strong{font-size:2.5rem}.s-timing-app .metrics{grid-template-columns:1fr;gap:12px}.s-timing-app .metrics>div{display:block;border-bottom:1px solid var(--line);padding-bottom:10px}.s-timing-app .metrics>div:last-child{border-bottom:0;padding-bottom:0}.s-timing-app .metrics strong{font-size:1.5rem}.s-timing-app .metrics span{font-size:0.5625rem}.s-timing-app .caption{font-size:0.625rem!important}.s-timing-app .stage-controls button{font-size:0.6875rem;padding:8px 10px}.s-timing-app #geometryCanvas{height:290px}.s-timing-app #phaseCanvas{height:280px}.s-timing-app #contrastCanvas{height:290px}.s-timing-app #layersCanvas{height:220px}.s-timing-app h2{font-size:2.375rem}.s-timing-app .lede{font-size:1.0625rem}.s-timing-app .equation{font-size:1.125rem}.s-timing-app .equation-card{padding:18px}.s-timing-app .research-question{padding:22px}.s-timing-app .research-question p{font-size:1.375rem}.s-timing-app .steps li{padding-left:38px}.s-timing-app .steps h3{font-size:1.0rem}.s-timing-app .collaboration-callout{padding:23px}.s-timing-app .collaboration-callout h3{font-size:1.6875rem}.s-timing-app footer{flex-wrap:wrap}.s-timing-app footer>a{margin-left:50px}.s-timing-app .reading-path p{display:grid;gap:10px}.s-timing-app .table-wrap{margin-left:0;margin-right:0}}
@media (prefers-reduced-motion:reduce){.s-timing-app{scroll-behavior:auto}.s-timing-app *{animation:none!important;transition:none!important}}@media  print{.s-timing-app *{color:#14232a!important;background:white!important;box-shadow:none!important}.s-timing-app{font-size:11pt}.s-timing-app .topbar,.s-timing-app .sidebar,.s-timing-app .top-actions,.s-timing-app .button-row,.s-timing-app button,.s-timing-app .skip{display:none!important}.s-timing-app .layout{display:block}.s-timing-app main{padding:0}.s-timing-app .section{padding:25px 0;break-inside:auto}.s-timing-app h1{font-size:42pt!important}.s-timing-app h2{font-size:28pt}.s-timing-app .hero-grid{display:block}.s-timing-app .hero-art{display:none}.s-timing-app .lab,.s-timing-app .cards article,.s-timing-app .equation-card{break-inside:avoid;border:1px solid #aaa}.s-timing-app .two-col,.s-timing-app .cards,.s-timing-app .roadmap{gap:15px}.s-timing-app .metrics strong{font-size:18pt}.s-timing-app .caption{font-size:9pt!important}.s-timing-app details{display:block}.s-timing-app details p{display:block}.s-timing-app .control{display:none}.s-timing-app a{text-decoration:underline}.s-timing-app footer{padding:20px 0}.s-timing-app .section{scroll-margin-top:0}}
@media  print{.s-timing-app canvas{background:#fffefa!important}}

/* Integration layer: author-site navigation plus independent chapter pages. */
.s-timing-app .site-masthead{position:relative;top:auto;height:88px;max-width:none}.s-timing-app .site-masthead .brand{letter-spacing:1.1px}.s-timing-app .site-masthead .brand small{letter-spacing:.25px}.s-timing-app .site-nav{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:center;gap:5px 22px;flex-wrap:wrap;margin:0;padding:13px 24px;background:#e5f3fcf5;backdrop-filter:blur(12px);border-bottom:1px solid var(--line);min-height:55px}.s-timing-app .site-nav a{display:inline-block;border:0;background:none;padding:3px 0;font-size:0.75rem;color:var(--muted)}.s-timing-app .site-nav a.site-current{color:var(--cyan);box-shadow:0 2px 0 var(--cyan)}.s-timing-app .site-nav a:hover{color:var(--text);text-decoration:none;background:none}.s-timing-app .sidebar{top:55px;height:calc(100vh - 55px)}.s-timing-app .section-brand{display:block;font-size:0.75rem;letter-spacing:1.3px;margin:0 0 20px}.s-timing-app .chapter-nav a{gap:9px}.s-timing-app .chapter-nav .nav-number{font-size:0.625rem;color:#526872}.s-timing-app .chapter-nav a.active .nav-number{color:var(--cyan)}.s-timing-app .on-this-page{border-top:1px solid var(--line);padding:20px 0}.s-timing-app .on-this-page a{display:block;font-size:0.6875rem;line-height:1.6;margin-top:13px;color:var(--muted)}.s-timing-app .breadcrumbs{display:flex;gap:9px;flex-wrap:wrap;margin:0;padding:25px 0 5px;font-size:0.6875rem;color:#526872}.s-timing-app .breadcrumbs a{display:inline;color:var(--cyan);padding:0;border:0;font-size:0.6875rem}.s-timing-app .breadcrumbs a:hover{background:none;text-decoration:underline}.s-timing-app .breadcrumbs [aria-current]{color:var(--muted)}.s-timing-app .section:first-of-type{padding-top:45px}.s-timing-app .page-title{font:400 clamp(34px,4vw,54px)/1.13 Georgia,"Times New Roman",serif;letter-spacing:-1.4px;margin:0 0 24px}.s-timing-app .chapter-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:32px}.s-timing-app .chapter-card{position:relative;display:block;border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:28px 28px 48px;color:var(--text)}.s-timing-app .chapter-card:hover{border-color:var(--cyan);background:#e5f3fc;text-decoration:none}.s-timing-app .chapter-card h3{font-size:1.25rem;max-width:310px}.s-timing-app .chapter-card p{font-size:0.8125rem;margin:0}.s-timing-app .chapter-card .card-index{font-size:0.625rem;letter-spacing:1px}.s-timing-app .chapter-arrow{position:absolute;bottom:17px;right:23px;color:var(--cyan);font-size:1.375rem}.s-timing-app .chapter-pagination{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:40px 0;padding:0}.s-timing-app .chapter-pagination a{display:block;border:1px solid var(--line);border-radius:6px;padding:22px;background:var(--panel)}.s-timing-app .chapter-pagination a:hover{background:#e5f3fc;text-decoration:none}.s-timing-app .chapter-pagination a:last-child{text-align:right}.s-timing-app .chapter-pagination small{display:block;font-size:0.5625rem;letter-spacing:1.3px;color:var(--muted);margin-bottom:9px}.s-timing-app .chapter-pagination strong{font-size:0.9375rem;color:var(--cyan);font-weight:500}.s-timing-app .connected-reading{padding:28px;border:1px solid var(--line);border-radius:6px}.s-timing-app .connected-reading h3{font-size:0.9375rem}.s-timing-app .connected-reading>div{display:flex;gap:15px 25px;flex-wrap:wrap;font-size:0.75rem}.s-timing-app .site-nav a:focus-visible,.s-timing-app .breadcrumbs a:focus-visible{outline:3px solid var(--amber)}
@media (max-width:950px){.s-timing-app .site-masthead{position:sticky;top:0;z-index:12;height:82px}.s-timing-app .site-nav{position:relative;top:auto;justify-content:flex-start;gap:5px 20px}.s-timing-app .sidebar.open{top:82px;height:calc(100dvh - 82px)}.s-timing-app .sidebar nav{display:block}.s-timing-app .chapter-nav{columns:2}.s-timing-app .chapter-nav a{break-inside:avoid}.s-timing-app .on-this-page{max-width:600px}.s-timing-app .breadcrumbs{padding-top:20px}.s-timing-app .section:first-of-type{padding-top:35px}}
@media (max-width:620px){.s-timing-app .site-masthead{height:74px}.s-timing-app .site-masthead .brand{font-size:0.5625rem;letter-spacing:.6px}.s-timing-app .site-masthead .brand small{font-size:0.5rem;letter-spacing:0}.s-timing-app .site-nav{padding:12px 20px;gap:6px 17px}.s-timing-app .site-nav a{font-size:0.6875rem}.s-timing-app .sidebar.open{top:74px;height:calc(100dvh - 74px)}.s-timing-app .page-title{font-size:2.375rem}.s-timing-app .chapter-grid{grid-template-columns:1fr}.s-timing-app .chapter-card{padding:24px 24px 45px}.s-timing-app .chapter-pagination{gap:10px}.s-timing-app .chapter-pagination a{padding:16px 12px}.s-timing-app .chapter-pagination strong{font-size:0.8125rem}.s-timing-app .chapter-pagination small{font-size:0.5rem;letter-spacing:.7px}.s-timing-app .breadcrumbs{font-size:0.625rem;gap:6px}.s-timing-app .breadcrumbs a{font-size:0.625rem}.s-timing-app .chapter-nav{columns:1}.s-timing-app .sidebar .chapter-nav a{padding:9px}.s-timing-app .connected-reading{padding:22px}.s-timing-app .section:first-of-type{padding-top:28px}}
@media  print{.s-timing-app .site-nav,.s-timing-app .breadcrumbs,.s-timing-app .chapter-pagination,.s-timing-app .connected-reading{display:none!important}.s-timing-app .page-title{font-size:28pt}.s-timing-app .chapter-grid{grid-template-columns:1fr 1fr}.s-timing-app .chapter-card{break-inside:avoid}.s-timing-app .sidebar{display:none!important}}