@layer normalize{/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */html{line-height:1.15;-webkit-text-size-adjust:100%}body{margin:0}main{display:block}h1{font-size:2em;margin:.67em 0}hr{box-sizing:content-box;height:0;overflow:visible}pre{font-family:monospace,monospace;font-size:1em}a{background-color:transparent}abbr[title]{border-bottom:none;text-decoration:underline;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}b,strong{font-weight:bolder}code,kbd,samp{font-family:monospace,monospace;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}img{border-style:none}button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:1.15;margin:0}button,input{overflow:visible}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring,[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring{outline:1px dotted ButtonText}fieldset{padding:.35em .75em .625em}legend{box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal}progress{vertical-align:baseline}textarea{overflow:auto}[type=checkbox],[type=radio]{box-sizing:border-box;padding:0}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}details{display:block}summary{display:list-item}template{display:none}[hidden]{display:none}}@layer normalize,foundation,demo;@layer demo{:root{--accent: hsl(10 20% 30%);--island-margin: 20px;--island-height: 40px;--island-width: 200px;--avatar-size: calc(var(--island-width) * .65);--avatar-position: calc( var(--island-height) + (var(--island-margin) * 1.25) );--header-margin: .5rem;--header-height: calc( var(--island-margin) + var(--avatar-position) + var(--avatar-size) + 1lh + var(--header-margin) );--header-font: 3rem}header{position:sticky;top:calc(var(--header-height) * -.65);height:var(--header-height);width:100%;font-size:var(--header-font);animation:block both linear;animation-timeline:scroll(root);transform-origin:50% 0;animation-range:0 calc(var(--header-height) * .65);z-index:2}[data-debug=true] header{outline:4px dashed red}@keyframes block{to{background:canvas;box-shadow:0 0 20px 5px #00000040}}.island__container{width:var(--island-width);height:var(--island-height);border-radius:var(--island-height);position:fixed;top:20px;left:50%;translate:-50% -0%;background:#000}.island__bar{width:var(--island-width);height:var(--island-height);border-radius:var(--island-height);background:#000;position:absolute;top:0%;left:50%;translate:-50% 0%}.island{filter:url(#fancy-goo)}.island__bar:after{content:"";position:absolute;left:0%;top:0%;height:100%;aspect-ratio:1;z-index:2;background:radial-gradient(red calc(30% - 1px),transparent 30%);border-radius:50%}.avatar{width:var(--avatar-size);aspect-ratio:1;border-radius:50%;background:#000;position:fixed;left:50%;top:var(--avatar-position);translate:-50% 0}body{display:flex;background:canvas;flex-direction:column;min-height:calc(100svh + var(--header-height))}main{min-height:100vh;width:100%;display:flex;align-items:center;flex-direction:column;padding-top:4rem}h1{margin:0;position:fixed;font-size:3rem;top:calc(var(--header-height) + var(--header-margin));translate:-50% -100%;left:50%;animation:scale both linear;animation-timeline:scroll(root);transform-origin:50% 0;animation-range:0 calc(var(--header-height) * .65)}.avatar{overflow:hidden;animation:shrink both linear;animation-timeline:scroll(root);animation-range:0 calc(var(--header-height) * .65);transform-origin:50% 0}.avatar img{width:100%;height:100%;border-radius:50%;-o-object-fit:cover;object-fit:cover;animation:fade both linear;animation-timeline:scroll(root);animation-range:0 calc(var(--header-height) * .425)}@keyframes shrink{to{translate:-50% calc(var(--avatar-position) * -1);scale:.3}}@keyframes scale{to{translate:-50% calc(((var(--header-height) + var(--header-margin)) - var(--avatar-position)) * -1);scale:.4}}@keyframes fade{to{filter:blur(10px);opacity:0}}ul{list-style-type:none;display:flex;flex-direction:column;gap:.8725rem;padding:0;margin:0;width:50ch;max-width:calc(100vw - 2rem)}li{width:100%}.context{padding-inline:1rem;display:flex;gap:1rem}li :is(button,a){width:100%;height:44px;text-decoration:none;cursor:pointer;display:flex;align-items:center;gap:1rem;border-radius:6px;padding-inline:1rem;color:color-mix(in lch,var(--accent, red),#0000 15%);border:2px solid color-mix(in lch,var(--accent, red),#0000);background:color-mix(in lch,var(--accent, red),#fff 95%);position:relative;&:is(:focus-visible,:hover){--intent: 1}&:after{content:"";position:absolute;inset:0;background:#0003;opacity:var(--intent, 0);transition:opacity .2s;pointer-events:none}}li svg{width:24px}}@layer foundation{*,*:after,*:before{box-sizing:border-box}body{display:grid;place-items:center;min-height:100vh;font-family:SF Pro Text,SF Pro Icons,AOS Icons,Helvetica Neue,Helvetica,Arial,sans-serif,system-ui}body:before{--size: 45px;--line: color-mix(in lch, canvasText, transparent 70%);content:"";height:100vh;width:100vw;position:fixed;background:linear-gradient(90deg,var(--line) 1px,transparent 1px var(--size)) 50% 50% / var(--size) var(--size),linear-gradient(var(--line) 1px,transparent 1px var(--size)) 50% 50% / var(--size) var(--size);-webkit-mask:linear-gradient(-20deg,transparent 50%,white);mask:linear-gradient(-20deg,transparent 50%,white);top:0;transform-style:flat;pointer-events:none;z-index:-1}.bear-link{color:canvasText;position:fixed;top:1rem;left:1rem;width:48px;aspect-ratio:1;display:grid;place-items:center;opacity:.8;z-index:9999}:where(.x-link,.bear-link):is(:hover,:focus-visible){opacity:1}.bear-link svg{width:75%}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}}