:root{--paper:#D4DCE4;--ink:#24354C;--muted:#526274;--teal:#1D7185;--cream:#FFFDFA;--peach:#E8AA79;--line:#9BA9B2;font-family:"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;color-scheme:light}
*{box-sizing:border-box}body{margin:0}a{color:var(--teal);text-underline-offset:4px}button,a,input{touch-action:manipulation}a:focus-visible,button:focus-visible{outline:3px solid var(--teal);outline-offset:5px}button{cursor:pointer;font:inherit}button:disabled{cursor:default;opacity:.65}p{line-height:1.75}h1,h2,h3{font-family:Georgia,"Times New Roman",serif}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,4.3vw,58px);line-height:1.13;letter-spacing:-1.8px;margin-bottom:25px}h2{font-size:clamp(27px,3vw,37px);line-height:1.2;letter-spacing:-.7px}h3{font-size:24px;line-height:1.3}em{font-style:normal;color:var(--teal)}main{max-width:1240px;margin:auto;padding:0 42px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:86px;padding:16px max(32px,calc((100vw - 1156px)/2));border-bottom:3px solid var(--peach);background:var(--ink);color:white}.logo{font:700 24px/1.2 Georgia,serif;letter-spacing:2px;text-decoration:none;color:inherit;white-space:nowrap}.logo>span:first-child{display:inline-grid;place-items:center;width:34px;height:34px;border:2px solid var(--peach);color:#96DCE9;margin-right:7px}.cursor{color:var(--peach)}.site-header nav{display:flex;align-items:center;gap:27px;flex-wrap:wrap}.site-header nav a{color:#F5F3EF;text-decoration:none;font-size:14px;min-height:44px;display:inline-flex;align-items:center}.site-header nav a:hover{text-decoration:underline}.site-header .nav-app{border:1px solid #B0C1CF;padding:0 15px}.skip{position:absolute;left:15px;top:-100px;padding:12px;background:white;z-index:10}.skip:focus{top:12px}.hero{display:grid;grid-template-columns:1.06fr 1fr;gap:64px;align-items:center;padding:76px 0 65px}.eyebrow{font:12px/1.6 Consolas,"Courier New",monospace;letter-spacing:1.5px;color:#875132;margin-bottom:20px}.lead{font-size:18px;line-height:1.8;color:var(--muted);max-width:650px}.hero .lead{font-size:17px;max-width:480px}.actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin:28px 0 20px}.button{display:inline-flex;gap:28px;align-items:center;justify-content:center;padding:15px 20px;background:var(--teal);color:white;text-decoration:none;border:2px solid var(--teal);box-shadow:4px 4px 0 #A2B3BB;font-weight:600;min-height:48px;font-size:15px}.button:hover{background:#145A6B;border-color:#145A6B}.text-link{font-weight:600;font-size:14px;text-decoration:none}.text-link:hover{text-decoration:underline}.quiet{font-size:12px;color:var(--muted)}.demo{background:var(--cream);border:2px solid var(--line);box-shadow:6px 6px 0 #AFBBC4;min-width:0}.demo-head{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:17px 20px;font:11px Consolas,monospace;letter-spacing:1px}.demo pre{margin:0;padding:26px;background:var(--ink);color:#F8F5EE;line-height:1.9;font-size:15px;overflow:auto}.syntax{color:#A7E6F2}.demo-label{display:flex;align-items:center;justify-content:space-between;padding:21px 22px 0;font-size:12px;color:var(--muted)}.demo-label output{font:13px Consolas,monospace;color:var(--teal)}.demo-track{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:9px;margin:20px 22px 23px}.demo-cell{text-align:center;position:relative;padding-top:68px;min-width:0}.demo-marker{display:none;position:absolute;top:0;left:50%;transform:translateX(-50%);height:48px;width:48px;border:2px solid var(--teal);background:#D4E8EB;color:var(--ink);font:12px/1.5 Consolas,monospace;box-shadow:3px 3px 0 #B2C5CB}.demo-marker:after{content:'↓';position:absolute;top:46px;left:18px;font-size:16px;color:var(--teal)}.current .demo-marker{display:block}.demo-number{display:block;border:2px solid #7B8B98;box-shadow:3px 3px 0 #C1C6C4;padding:12px 0;font:14px Consolas,monospace}.current .demo-number{border-color:var(--teal);background:#D4E8EB}.demo-controls{display:flex;align-items:center;gap:10px;padding:0 22px}.demo-controls button{background:transparent;color:var(--ink);border:1px solid #778995;min-height:44px;padding:9px 12px;font-size:13px}.demo-controls button:hover{background:#E8EEF1}.demo-controls span{margin-left:auto;font:12px Consolas,monospace;color:var(--muted)}.demo-note{font-size:11px;color:var(--muted);margin:14px 22px 18px;line-height:1.6}.learning{border-top:1px solid var(--line);padding:48px 0 50px}.learning h2{max-width:650px}.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;margin-top:37px}.feature-icon{display:inline-block;font:16px Consolas,monospace;color:var(--teal);border-bottom:3px solid var(--peach);padding-bottom:9px;margin-bottom:18px}.feature-row h3{font-size:23px;margin-bottom:12px}.feature-row p{font-size:15px;color:var(--muted)}.guides-section{padding:48px 0 58px;border-top:1px solid 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.button{flex-shrink:0}.site-footer{display:flex;align-items:center;gap:40px;max-width:1156px;margin:auto;border-top:1px solid var(--line);padding:27px 0 35px}.site-footer p{font:11px Consolas,monospace;letter-spacing:1px;margin:0;color:var(--muted)}.site-footer nav{margin-left:auto;display:flex;gap:20px}.site-footer nav a{font-size:12px;min-height:44px;display:inline-flex;align-items:center}.page-intro{padding:58px 0 35px}.page-intro h1{max-width:850px}.example-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:0 0 65px}.example-link{display:flex;flex-direction:column;justify-content:space-between;gap:18px;background:var(--cream);border:1px solid var(--line);padding:22px;text-decoration:none;color:var(--ink)}.example-link h2{font-size:22px;letter-spacing:0;margin:0}.example-link span{font-size:12px;color:var(--teal)}.article{max-width:790px;margin:0 auto;padding:50px 0 65px;overflow-wrap:anywhere}.article h1{font-size:clamp(35px,4vw,52px);line-height:1.18}.article h2{font-size:27px;margin-top:38px;margin-bottom:16px}.article p,.article li{font-size:17px;line-height:1.85}.article li+li{margin-top:8px}.article pre{background:var(--ink);color:#F3F3EE;padding:24px;overflow:auto;max-width:100%;border-left:4px solid var(--teal);line-height:1.8;font-size:14px;overflow-wrap:normal}.article code{font-family:Consolas,"Courier New",monospace}.article p code,.article li code{font-size:.9em;color:#155E70;background:#E6ECEF;padding:1px 4px}.article .back{display:inline-block;font-size:13px;margin-bottom:30px}.article .button{margin:8px 0 10px}.next-guide{margin-top:45px;padding:2px 24px 24px;background:var(--cream);border:1px solid var(--line)}.faq{border-bottom:1px solid var(--line);padding-bottom:10px}.faq h2{font-size:25px}
@media(max-width:1000px){.site-header{padding:15px 25px}.site-header nav{gap:18px}.hero{gap:30px;padding-top:55px}h1{font-size:46px}.feature-row{gap:25px}.guide-grid,.example-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.site-footer{margin:0 42px;flex-wrap:wrap;gap:15px}.site-footer nav{margin-left:0;width:100%}.guide-link:last-child{grid-column:1/-1}.hero .actions{gap:16px}.hero .button{gap:15px}}
@media(max-width:760px){main{padding:0 24px}.site-header{align-items:flex-start;flex-direction:column;gap:8px}.site-header nav{gap:8px 20px;width:100%}.site-header nav a{font-size:13px}.hero{grid-template-columns:1fr;padding:40px 0;gap:28px}.hero-copy h1{font-size:clamp(36px,8vw,52px)}.hero .lead{max-width:100%}.hero-copy .quiet{margin-bottom:0}.demo{max-width:540px;width:100%}.feature-row{grid-template-columns:1fr;gap:20px}.feature-row article{display:grid;grid-template-columns:80px 1fr;gap:0 15px}.feature-icon{grid-row:1/3;align-self:start;justify-self:start}.feature-row h3{font-size:24px}.feature-row p{margin-bottom:0}.learning,.guides-section{padding:35px 0}.section-intro{align-items:flex-start;flex-direction:column;gap:0;margin-bottom:25px}.section-intro h2{margin-bottom:15px}.guide-grid,.example-grid{grid-template-columns:1fr}.guide-link:last-child{grid-column:auto}.guide-grid{margin-bottom:35px}.closing{padding:28px;flex-direction:column;align-items:flex-start;gap:20px;margin-bottom:40px}.site-footer{margin:0 24px}.site-footer nav{gap:20px;flex-wrap:wrap}.page-intro{padding-top:40px}.article{padding-top:35px}.article p,.article li{font-size:16px}.article pre{padding:16px;font-size:13px}.eyebrow{font-size:11px}.demo-track{gap:7px;margin-left:16px;margin-right:16px}.demo-marker{height:42px;width:38px;font-size:11px}.demo-marker:after{top:39px;left:12px}.demo-cell{padding-top:63px}.demo-number{padding:10px 0}.demo-controls{padding:0 16px}.demo-label{padding:19px 16px 0}.demo-note{margin-left:16px;margin-right:16px}}
@media(prefers-reduced-motion:no-preference){.demo-marker{animation:appear .18s ease-out}@keyframes appear{from{opacity:.4;translate:0 -5px}to{opacity:1;translate:0 0}}}
@media(forced-colors:active){.button,.current .demo-number,.demo-marker{border:2px solid ButtonText}.guide-link,.example-link{border:1px solid CanvasText}}
