:root{--paper:#fffaf7;--white:#fff;--ink:#352326;--muted:#765a60;--accent:#a51f35;--dark:#4a1120;--line:#ead8d8;--soft:#faeeee;--gold:#a2742e;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.65;scroll-behavior:smooth;scroll-padding-top:100px}*{box-sizing:border-box}body{margin:0}a{color:var(--accent);text-underline-offset:4px}button,input{font:inherit}button,a,input,summary{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:4px}button{cursor:pointer}img,svg{max-width:100%}.skip-link{position:fixed;top:-100px;left:20px;background:var(--white);padding:12px 20px;z-index:30}.skip-link:focus{top:12px}.topbar{height:80px;background:var(--dark);color:#fff4ed;display:flex;align-items:center;padding:0 38px;gap:32px;position:sticky;top:0;z-index:20;border-bottom:1px solid #6b2837}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;font-size:17px;font-weight:650;line-height:1.25;letter-spacing:-.3px;min-width:235px}.brand-sub{display:block;font-weight:400;font-size:11px;color:#e6c1c7;letter-spacing:.3px;margin-top:4px}.top-label{font-size:10px;letter-spacing:2px;color:#e0b7bf}.top-link{font-size:12px;color:#fae6e3;margin-left:auto;text-decoration:none}.menu-button{display:none;border:1px solid #b77987;border-radius:6px;background:transparent;color:#fff;padding:7px 14px}.layout{display:grid;grid-template-columns:275px minmax(0,1fr);max-width:1450px;margin:auto}.sidebar{position:sticky;top:80px;height:calc(100dvh - 80px);overflow-y:auto;padding:34px 26px 24px;border-right:1px solid var(--line);background:var(--sidebar)}.search-label{display:block;font-size:12px;font-weight:650;margin-bottom:8px}.search-wrap{display:flex;gap:8px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:7px;padding:7px 10px}.search-wrap>span{font-size:22px;line-height:1}.search-wrap input{width:100%;min-width:0;border:0;background:none;font-size:12px;color:var(--ink);padding:3px 0}.search-status{font-size:11px;color:var(--muted);min-height:18px;margin:5px 0 12px}.nav-group{font-size:10px;letter-spacing:1.7px;font-weight:700;color:var(--muted);margin:24px 12px 8px}nav a{display:block;padding:7px 12px;font-size:13px;text-decoration:none;color:var(--accent);border-radius:5px;border-left:2px solid transparent}nav a:hover{background:var(--soft)}nav a.active{color:var(--accent);background:var(--soft);border-left-color:#b52640;font-weight:650}.sidebar-foot{font-size:11px;line-height:1.8;margin-top:36px;border-top:1px solid var(--line);padding-top:18px;color:var(--muted)}.sidebar-foot>span:last-child{color:var(--muted);font-size:10px}.status-dot{display:inline-block;width:6px;height:6px;background:#bb3047;border-radius:50%;margin-right:5px}main{max-width:1050px;min-width:0;padding:58px 65px 32px}section{padding:55px 0;border-bottom:1px solid var(--line);scroll-margin-top:100px}section.hero{padding-top:0;padding-bottom:38px}.eyebrow,.section-kicker{font-size:10px;font-weight:700;letter-spacing:2px;color:var(--muted);margin-bottom:15px}h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(40px,5.5vw,72px);font-weight:400;letter-spacing:-2.6px;line-height:1.08;margin:15px 0 24px;max-width:700px}h2{font-family:Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-.8px;font-size:36px;line-height:1.2;margin:0 0 22px}h3{font-size:17px;line-height:1.4;margin:26px 0 8px;letter-spacing:-.2px}p{font-size:14px;max-width:78ch;margin:12px 0 18px;color:var(--body-text)}b,strong{color:var(--ink)}.hero-copy{font-size:17px;line-height:1.75;max-width:570px;color:var(--body-text)}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:27px 0 14px}.button{display:inline-flex;gap:18px;align-items:center;border-radius:5px;padding:11px 17px;font-size:12px;font-weight:650;text-decoration:none}.primary{background:#a51f35;color:#fff}.primary:hover{background:#81172a}.secondary{border:1px solid var(--line);color:var(--accent);background:transparent}.secondary:hover{background:var(--soft)}.string-art{height:160px;overflow:hidden;margin:12px 0 22px}.string-art svg{width:100%;height:160px;overflow:visible}.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:24px 0 28px}.feature-row>div{border-left:2px solid #d9a3ac;padding-left:14px}.feature-row strong{display:block;font-size:13px;font-weight:650}.feature-row span{display:block;font-size:11px;color:var(--muted);margin-top:3px}.note{font-size:13px;line-height:1.75;background:var(--soft);border:1px solid var(--line);border-left:3px solid #bb3b50;border-radius:0 6px 6px 0;padding:17px 20px;margin:24px 0 5px}.note>strong{display:block;font-size:13px;margin-bottom:4px;color:var(--accent)}.steps{list-style:none;padding:0;margin:28px 0 0;counter-reset:steps}.steps>li{counter-increment:steps;display:flex;gap:20px;position:relative;padding-bottom:20px}.steps>li:before{content:counter(steps,decimal-leading-zero);flex:none;width:32px;height:32px;border-radius:50%;border:1px solid var(--line);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;background:var(--soft);margin-top:1px}.steps h3{margin:3px 0 6px;font-size:15px}.steps p{margin:0 0 9px;font-size:13px}.cards{display:grid;gap:18px;margin:26px 0}.two{grid-template-columns:1fr 1fr}.cards article{background:var(--white);border:1px solid var(--line);border-radius:8px;padding:23px}.cards h3{font-size:18px;margin:8px 0 12px}.cards p{font-size:13px;margin:0}.card-tag{font-size:9px;letter-spacing:1.7px;color:var(--muted);font-weight:700}.table-wrap{width:100%;overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:7px}table{border-collapse:collapse;width:100%;font-size:12px;text-align:left}caption{text-align:left;font-size:11px;padding:11px 15px;background:var(--soft);color:var(--muted);border-bottom:1px solid var(--line);letter-spacing:.3px}th,td{padding:13px 15px;border-bottom:1px solid var(--line);vertical-align:top}thead th{background:var(--soft);font-size:11px;color:var(--accent);font-weight:650}tbody th{font-weight:650;min-width:115px}td{color:var(--body-text)}tr:last-child>*{border-bottom:0}code{font-family:"Cascadia Code",Consolas,monospace;font-size:.86em;background:var(--soft);color:var(--accent);border:1px solid var(--line);border-radius:3px;padding:2px 5px;overflow-wrap:anywhere}.muted{color:var(--muted);font-size:12px}.spacing-options{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:38px 0 25px}.spacing-options>div{border:1px solid var(--line);border-radius:7px;text-align:center;padding:23px 8px 17px;position:relative;background:var(--white)}.spacing-options strong{display:block;font-size:35px;line-height:1.2;font-weight:450;letter-spacing:-1px}.spacing-options strong span{font-size:12px;font-weight:450;letter-spacing:0;margin-left:4px;color:var(--muted)}.spacing-options>div>span{font-size:11px;color:var(--muted)}.spacing-options .recommended{border:2px solid #a51f35;background:var(--soft);padding-top:22px}.spacing-options .small-label{position:absolute;top:-11px;left:50%;transform:translateX(-50%);white-space:nowrap;background:#a51f35;color:white!important;font-size:8px!important;letter-spacing:1.1px;padding:2px 9px;border-radius:8px}.workflow{display:flex;align-items:center;justify-content:space-between;gap:13px;padding:25px 10px;margin:25px 0;background:var(--soft);border:1px solid var(--line);border-radius:8px}.workflow>div{text-align:center;flex:1}.workflow>div>span{display:block;width:25px;height:25px;background:var(--soft);border-radius:50%;margin:0 auto 8px;color:var(--accent);font-size:11px;line-height:25px}.workflow b{display:block;font-size:12px}.workflow small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.workflow>span{color:#bd7d89}.pattern-grid{display:grid;grid-template-columns:repeat(4,1fr);list-style:none;margin:25px 0;padding:0;gap:9px}.pattern-grid li{font-size:11px;padding:11px 8px;border:1px solid var(--line);border-radius:5px;text-align:center;background:var(--white)}.palette{display:flex;flex-wrap:wrap;gap:12px 20px;margin:23px 0}.palette span{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted)}.palette span:before{content:"";width:11px;height:11px;border-radius:50%;background:var(--swatch)}.flow-code{border:1px solid var(--line);background:var(--soft);padding:15px 19px;font-family:Consolas,monospace;font-size:12px;border-radius:5px;line-height:1.9}.check-list{padding:0;list-style:none;margin:25px 0}.check-list li{position:relative;padding:7px 0 7px 23px;font-size:13px;color:var(--body-text)}.check-list li:before{content:"✓";position:absolute;left:0;color:#ac2b42;font-weight:700}details{border-bottom:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-size:14px;font-weight:600;color:var(--accent);line-height:1.6}details p{font-size:13px;padding:0 0 0 17px;margin-bottom:2px}.text-link{font-size:13px;font-weight:600}footer{display:flex;flex-wrap:wrap;gap:12px 22px;padding:28px 0;font-size:10px;color:var(--muted)}footer a{margin-left:auto;font-size:11px}.no-results{background:var(--soft);padding:20px;border-radius:7px}.no-results button{border:0;background:transparent;text-decoration:underline;color:var(--accent);padding:0;margin-left:8px}[hidden]{display:none!important}
@media(min-width:1500px){.topbar{padding-left:max(38px,calc((100vw - 1374px)/2));padding-right:max(38px,calc((100vw - 1374px)/2))}}@media(max-width:1100px){main{padding:44px 35px 24px}.layout{grid-template-columns:245px minmax(0,1fr)}.sidebar{padding:28px 20px}.top-label{display:none}.feature-row{gap:12px}.feature-row strong{font-size:12px}.pattern-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){:root{scroll-padding-top:88px}.topbar{height:72px;padding:0 20px;gap:12px}.brand{min-width:0;font-size:15px}.brand img{width:30px;height:30px}.top-link{display:none}.menu-button{display:block;margin-left:auto;font-size:12px}.layout{display:block}.sidebar{display:none;position:fixed;top:72px;left:0;right:0;height:calc(100dvh - 72px);z-index:15;padding:24px}.sidebar.open{display:block}.sidebar nav{max-width:500px}.sidebar-foot{margin-top:20px}main{padding:35px 22px 20px}h1{font-size:49px;letter-spacing:-1.6px}h2{font-size:31px}.hero-copy{font-size:15px}.hero-actions{gap:9px}.button{font-size:11px;padding:11px 13px}.feature-row{grid-template-columns:1fr;gap:14px}.feature-row span{display:inline;margin-left:9px}.feature-row strong{display:inline;font-size:12px}.string-art{height:128px;margin:4px -12px 16px}.string-art svg{height:128px}section{padding:39px 0}.two{grid-template-columns:1fr}.cards article{padding:20px}.spacing-options{gap:7px}.spacing-options strong{font-size:27px}.spacing-options strong span{display:block;font-size:10px;margin-top:4px}.spacing-options>div{padding:22px 5px 15px}.spacing-options .small-label{font-size:7px!important;padding:3px 6px}.steps>li{gap:12px}.workflow{gap:4px;padding:20px 7px}.workflow small{font-size:9px}.workflow b{font-size:11px}footer{display:block}footer>span,footer a{display:block;margin:7px 0}.table-wrap{border-radius:5px}th,td{padding:11px 12px}.note{padding:16px}.topbar .brand-sub{font-size:10px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}}@media print{.topbar,.sidebar,.hero-actions,.string-art,.no-results,.skip-link{display:none!important}.layout{display:block}main{padding:0;max-width:none}section[data-section]{display:block!important;padding:20px 0;break-inside:auto}body{background:var(--white);color:black}details p{display:block}h2,h3{break-after:avoid}.cards,.table-wrap,.workflow{break-inside:avoid}a{color:inherit}.feature-row{grid-template-columns:repeat(3,1fr)}footer{border-top:1px solid #aaa}}

.demo{margin:26px 0 30px;overflow:hidden;border:1px solid var(--line);border-radius:10px;background:var(--white);box-shadow:0 6px 24px #4a112008}.demo-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 16px;background:var(--soft)}.demo-label{font-size:10px;letter-spacing:1.5px;font-weight:700;color:var(--accent)}.demo-toggle{font-size:11px;font-weight:650;border:1px solid var(--line);border-radius:5px;background:var(--white);color:var(--accent);padding:6px 11px}.demo-toggle:hover{background:var(--soft)}.demo img{display:block;width:100%;height:auto;background:#130d10;aspect-ratio:auto}.demo figcaption{padding:13px 16px;font-size:12px;line-height:1.7;color:var(--muted)}.demo figcaption a{white-space:nowrap;margin-left:5px}.demo .demo-note{display:block;margin:0 16px 14px;font-size:12px}#individual-lights,#real-time-geometry,#real-time-warning{scroll-margin-top:100px}@media print{.demo-toggle{display:none!important}.demo{break-inside:avoid;box-shadow:none}}

.warning{background:var(--soft);border-color:var(--line);border-left:4px solid #b3263e;margin-bottom:24px}.warning>strong{color:var(--accent);font-size:14px}.warning p{font-size:13px;max-width:none;margin:10px 0 0}.warning p:last-child{margin-bottom:0}

:root{--paper:#fffaf7;--white:#fff;--ink:#352326;--muted:#765a60;--accent:#a51f35;--line:#ead8d8;--soft:#faeeee;--body-text:#624b50;--sidebar:#fbf1ed;--focus:#b3263e;color-scheme:light;}
:root[data-theme="dark"]{--paper:#171216;--white:#21191e;--ink:#faedf0;--muted:#c9aeb7;--accent:#ff9bab;--line:#53333e;--soft:#322029;--body-text:#e0c8d0;--sidebar:#1e161b;--focus:#ffb5c2;color-scheme:dark;}
@media(prefers-color-scheme:dark){:root:not([data-theme]){--paper:#171216;--white:#21191e;--ink:#faedf0;--muted:#c9aeb7;--accent:#ff9bab;--line:#53333e;--soft:#322029;--body-text:#e0c8d0;--sidebar:#1e161b;--focus:#ffb5c2;color-scheme:dark;}}
.theme-toggle{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;flex-shrink:0;border:1px solid #b77987;border-radius:6px;background:transparent;color:#fff4ed;padding:7px 12px;font-size:12px}.theme-toggle:hover{background:#652033}.theme-icon{width:22px;height:22px;flex:none}.theme-sun{display:none}:root[data-theme="dark"] .theme-sun{display:block}:root[data-theme="dark"] .theme-moon{display:none}.topbar button:focus-visible,.topbar a:focus-visible{outline-color:#ffd1da}#festival-mix{scroll-margin-top:100px}.search-wrap input::placeholder{color:var(--muted);opacity:1}
@media(max-width:760px){.theme-toggle{margin-left:auto}.menu-button{margin-left:0}}
@media(max-width:420px){.topbar{padding:0 12px;gap:8px}.theme-label{display:none}.theme-toggle{width:44px;padding:7px}.menu-button{padding:7px 10px}}
@media print{:root,:root[data-theme],:root:not([data-theme]){--paper:#fffaf7;--white:#fff;--ink:#352326;--muted:#765a60;--accent:#a51f35;--line:#ead8d8;--soft:#faeeee;--body-text:#624b50;--sidebar:#fbf1ed;--focus:#b3263e;color-scheme:light;}.theme-toggle{display:none!important}}

.pattern-gallery{margin:24px 0 28px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--white)}
.pattern-category{padding:0;scroll-margin-top:100px}
.pattern-category:last-child{border-bottom:0}
.pattern-category summary{display:flex;align-items:center;gap:12px;min-height:60px;padding:15px 18px;list-style:none}
.pattern-category summary::-webkit-details-marker{display:none}
.pattern-category summary::after{content:"+";font-size:23px;font-weight:400;margin-left:4px;line-height:1}
.pattern-category[open] summary::after{content:"\2212"}
.pattern-category summary:hover,.pattern-category[open] summary{background:var(--soft)}
.pattern-category summary:focus-visible{outline-offset:-4px}
.pattern-duration{margin-left:auto;font-size:11px;font-weight:400;color:var(--muted);white-space:nowrap}
.pattern-demo{margin:0;border:0;border-radius:0;box-shadow:none}
.pattern-demo .demo-header{padding:10px 18px;background:var(--white)}
.pattern-demo figcaption a{white-space:normal}
.pattern-demo img{max-height:none;object-fit:contain}
@media(max-width:420px){.pattern-category summary{padding:14px 12px;gap:8px;font-size:13px}.pattern-duration{font-size:10px}.pattern-demo .demo-header{padding:10px 12px;gap:8px}.pattern-demo .demo-label{font-size:9px;letter-spacing:1px}.pattern-demo figcaption{padding:12px}}
.pattern-demo>img,.pattern-demo picture{display:block;max-width:640px;margin-inline:auto}