:root{--font-geist-mono:"Courier New",monospace;--ink:#17171a;--paper:#f4f1e9;--purple:#5b4cff;--line:#cbc6ba}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif}button,input,select{font:inherit}button{color:inherit}.site-header{height:76px;padding:0 clamp(20px,4vw,64px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:9px;color:inherit;text-decoration:none;font-size:20px;font-weight:900;letter-spacing:-1px}.brand-mark{display:grid;place-items:center;width:48px;height:31px;color:white;background:var(--purple);border-radius:6px;font-size:15px;letter-spacing:0;transform:rotate(-2deg)}.header-note{font:11px var(--font-geist-mono);letter-spacing:.08em;color:#66635d}.intro{max-width:1140px;margin:auto;padding:76px 32px 64px;text-align:center}.eyebrow{display:flex;align-items:center;justify-content:center;gap:10px;font:700 11px var(--font-geist-mono);letter-spacing:.15em}.eyebrow span{width:7px;height:7px;background:#ff6b57;border-radius:50%}.intro h1{margin:21px 0 20px;font-size:clamp(55px,8.5vw,108px);line-height:.86;letter-spacing:-.075em;font-weight:900}.intro h1 em{color:var(--purple);font-family:Georgia,serif;font-weight:400}.intro p{max-width:600px;margin:auto;color:#5e5b55;font-size:17px;line-height:1.6}.builder{display:grid;grid-template-columns:minmax(360px,.86fr) minmax(520px,1.14fr);max-width:1180px;margin:0 auto 96px;border:1px solid var(--ink);background:#fff;box-shadow:10px 10px 0 var(--ink)}.controls-panel,.preview-panel{min-width:0}.controls-panel{padding:34px;border-right:1px solid var(--ink)}.panel-heading,.preview-top{display:flex;gap:16px;align-items:flex-start;padding-bottom:26px}.panel-heading>span,.preview-top>span{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:50%;color:#fff;background:var(--ink);font:700 11px var(--font-geist-mono)}h2{margin:0;font-size:24px;letter-spacing:-.04em}.panel-heading p,.preview-top p{margin:5px 0 0;color:#77736b;font-size:13px}.field{display:block;margin-top:22px}.field>span,.range-field b{display:block;margin-bottom:8px;font:700 10px var(--font-geist-mono);letter-spacing:.12em}.text-field{position:relative}.text-field input,select{width:100%;height:48px;border:1px solid #aaa69d;border-radius:4px;background:#fff;padding:0 14px;outline:none}.text-field input:focus,select:focus{border-color:var(--purple);box-shadow:0 0 0 2px #5b4cff22}.text-field small{position:absolute;right:12px;bottom:16px;color:#8b877e;font:10px var(--font-geist-mono)}.color-grid,.inline-controls{display:grid;grid-template-columns:1fr 1fr;gap:14px}.color-field>div{display:flex;height:48px;border:1px solid #aaa69d;border-radius:4px;overflow:hidden}.color-field input[type=color]{flex:0 0 48px;width:48px;height:48px;border:0;padding:0;background:none;cursor:pointer}.color-field input:not([type=color]){min-width:0;border:0;padding:0 8px;font:12px var(--font-geist-mono);text-transform:uppercase;outline:0}.range-field>span{display:flex;align-items:center;justify-content:space-between}.range-field output{color:var(--purple);font:700 11px var(--font-geist-mono)}input[type=range]{width:100%;accent-color:var(--purple)}.toggle-row{display:flex;align-items:center;justify-content:space-between;margin-top:26px;cursor:pointer}.toggle-row>span{display:grid;gap:3px;font-size:13px}.toggle-row small{color:#817d75}.toggle-row input{position:absolute;opacity:0}.toggle-row i{position:relative;width:42px;height:24px;border-radius:30px;background:#cbc7be;transition:.2s}.toggle-row i:after{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}.toggle-row input:checked+i{background:var(--purple)}.toggle-row input:checked+i:after{transform:translateX(18px)}.preview-panel{background:#ece9e1;padding:34px}.preview-stage{position:relative;min-height:315px;display:grid;place-items:center;border:1px solid #d0ccc2;background-color:#f9f8f4;background-image:linear-gradient(45deg,#e9e6de 25%,transparent 25%),linear-gradient(-45deg,#e9e6de 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e9e6de 75%),linear-gradient(-45deg,transparent 75%,#e9e6de 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;overflow:hidden}.stage-note{position:absolute;top:13px;left:15px;padding:5px 7px;color:#67645d;background:#f9f8f4;font:700 9px var(--font-geist-mono);letter-spacing:.12em}.demo-button{min-height:48px;border:0;cursor:pointer;transition:transform .15s ease,filter .15s ease}.demo-button:hover{filter:brightness(1.08);transform:translateY(-2px)}.demo-button:active{transform:translateY(3px);box-shadow:none!important}.demo-button:focus-visible{outline:3px solid var(--ink);outline-offset:3px}.contrast{position:absolute;bottom:12px;right:12px;padding:7px 9px;background:#fff;border:1px solid #d5d1c8;border-radius:4px;font:700 10px var(--font-geist-mono)}.contrast span{display:inline-grid;place-items:center;width:16px;height:16px;margin-right:5px;color:#fff;border-radius:50%}.contrast.pass span{background:#238754}.contrast.warn span{background:#d66a12}.code-box{margin-top:16px;background:#1b1b1f;color:#dedbe8;border-radius:4px;overflow:hidden}.code-heading{height:43px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid #333239;color:#aaa7b2;font:700 9px var(--font-geist-mono);letter-spacing:.1em}.code-heading button{border:1px solid #55535e;border-radius:3px;padding:7px 9px;color:#fff;background:#2a2930;cursor:pointer;font:700 9px var(--font-geist-mono)}pre{max-height:175px;margin:0;padding:18px;overflow:auto;font:11px/1.6 var(--font-geist-mono);white-space:pre-wrap}.presets{max-width:1180px;margin:0 auto 100px;padding:0 12px;display:grid;grid-template-columns:230px 1fr;align-items:end;gap:40px}.presets>div>span{font:700 10px var(--font-geist-mono);letter-spacing:.15em}.presets h2{margin-top:8px;font:italic 36px Georgia,serif}.preset-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.preset-grid button{display:flex;align-items:center;gap:10px;padding:11px;border:1px solid var(--line);background:transparent;cursor:pointer;text-align:left;font-weight:700}.preset-grid button:hover{background:#fff;border-color:var(--ink)}.preset-grid i{width:48px;height:28px}footer{min-height:110px;padding:0 clamp(20px,4vw,64px);display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);font-size:12px}footer>span{font-weight:900}footer p{color:#77736b}footer a{color:inherit;font:700 10px var(--font-geist-mono)}@media(max-width:900px){.builder{grid-template-columns:1fr;margin-inline:20px}.controls-panel{border-right:0;border-bottom:1px solid var(--ink)}.presets{grid-template-columns:1fr;padding-inline:20px}.preset-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.header-note{display:none}.intro{padding:56px 20px 46px}.intro h1{font-size:54px}.builder{margin-bottom:70px;box-shadow:6px 6px 0 var(--ink)}.controls-panel,.preview-panel{padding:24px 18px}.color-grid,.inline-controls{grid-template-columns:1fr}.preview-stage{min-height:260px}.preset-grid{grid-template-columns:1fr 1fr}.preset-grid button{display:grid}footer{padding-block:28px;flex-direction:column;gap:16px}.presets{margin-bottom:70px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}