:root{--paper:#f5f4f0;--ink:#202421;--blue:#315cf5;--muted:#6d716f;--line:#dcded8}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:15px}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea{outline-offset:5px}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:2px solid var(--blue)}.wrap{max-width:1280px;margin:auto;padding:0 54px}header{height:102px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.logo{font-size:25px;letter-spacing:-1.4px;font-weight:750}.logo span{font-weight:400;color:var(--muted)}nav{display:flex;gap:32px;font-size:13px}.domain{font:11px monospace;color:var(--muted)}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:70px;align-items:center;padding:76px 0 72px}.eyebrow{font:11px monospace;letter-spacing:1.5px;text-transform:uppercase;display:flex;align-items:center;gap:9px}.dot{height:7px;width:7px;border-radius:50%;background:var(--blue)}h1{font-size:clamp(42px,4.7vw,66px);font-weight:500;letter-spacing:-3.5px;line-height:1.04;margin:26px 0}h1 span{color:var(--blue)}.intro{font-size:17px;line-height:1.6;max-width:390px;color:var(--muted)}.cta{display:inline-flex;align-items:center;gap:36px;border-radius:5px;padding:16px 20px;background:var(--blue);color:white;font-size:13px;margin-top:18px}.hero-foot{font:11px monospace;color:var(--muted);margin-top:20px}.playground{background:#e9ece6;border:1px solid #dde1d9;border-radius:12px;padding:23px;transform:rotate(1deg);box-shadow:0 16px 45px #20242108}.play-top{display:flex;justify-content:space-between;align-items:center;font:10px monospace;color:#6a726b;margin-bottom:23px}.window-dots{display:flex;gap:5px}.window-dots i{height:6px;width:6px;background:#bbc3b8;border-radius:50%}.sample{background:#fffefb;border:1px solid #dedfd9;border-radius:7px;overflow:hidden;box-shadow:0 10px 20px #20242106;transform:rotate(-1deg)}.sample-top{display:flex;justify-content:space-between;align-items:center;padding:19px 20px;font-size:12px;border-bottom:1px solid #e9eae5}.sample-top span{font:10px monospace;color:var(--muted)}.color-preview{background:#315cf5;color:white;margin:16px;border-radius:4px;min-height:150px;display:flex;flex-direction:column;justify-content:space-between;padding:21px}.color-preview small{font:10px monospace;opacity:.7}.color-preview strong{font-size:46px;font-weight:400;letter-spacing:-2px}.swatches{display:flex;gap:8px;padding:0 16px}.swatch{height:30px;flex:1;border:2px solid transparent;border-radius:4px}.swatch.active{outline:1px solid #202421;outline-offset:3px}.swatch:nth-child(1){background:#315cf5}.swatch:nth-child(2){background:#dce5ff}.swatch:nth-child(3){background:#dce4d8}.swatch:nth-child(4){background:#f1d8bf}.swatch:nth-child(5){background:#202421}.sample-bottom{padding:19px 16px;display:flex;justify-content:space-between;align-items:center;font:11px monospace}.sample-bottom button{background:none;border:0;font-size:11px;color:var(--blue)}.play-note{display:flex;justify-content:space-between;margin-top:21px;font:10px monospace;color:#6a726b}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}.section-head h2{font-size:28px;letter-spacing:-1px;font-weight:500;margin:0}.section-head span{font:11px monospace;color:var(--muted)}.tools{padding:35px 0 58px;border-top:1px solid var(--line)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.card{border:1px solid var(--line);border-radius:8px;padding:25px;background:#fbfaf7;display:flex;flex-direction:column;min-height:230px;transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-4px);border-color:#aebbed}.icon{height:48px;width:48px;display:flex;align-items:center;justify-content:center;border-radius:9px;font-size:23px;background:#e9edf9;color:#315cf5}.icon.color{background:#e8ece3;color:#476043}.icon.photo{background:#f1e8dd;color:#8d6d4a}.card h3{font-size:21px;font-weight:500;margin:24px 0 10px;letter-spacing:-.6px}.card p{font-size:13px;line-height:1.6;color:var(--muted);margin:0;max-width:260px}.card-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:25px;font:10px monospace;color:var(--muted)}.card-bottom b{font-size:22px;font-weight:400;color:var(--ink)}.notes{padding:37px 0 55px;border-top:1px solid var(--line)}.note-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}.note{display:grid;grid-template-columns:116px 1fr;gap:22px;align-items:center;padding-top:6px}.thumb{height:100px;border-radius:5px;overflow:hidden;display:flex;align-items:center;justify-content:center;background:#e3e8de}.thumb .frame{width:62px;height:47px;background:#f8faf6;border:1px solid #a8b69e;transform:rotate(-10deg);position:relative}.frame:after{content:'';position:absolute;width:45px;height:33px;border:1px solid #83927b;background:#b4c2a8;left:20px;top:18px}.thumb.palette{background:#e7e9f4;gap:0}.thumb.palette i{width:21px;height:61px;transform:rotate(18deg);background:#315cf5}.thumb.palette i:nth-child(2){background:#97affc}.thumb.palette i:nth-child(3){background:#c9d4f6}.note small{font:10px monospace;color:var(--muted)}.note h3{font-size:17px;line-height:1.4;font-weight:500;margin:10px 0}.note details{font-size:12px;line-height:1.6;color:var(--muted)}summary{cursor:pointer;color:var(--blue)}.about{border-top:1px solid var(--line);padding:32px 0;display:flex;justify-content:space-between;gap:45px}.about h2{font-size:19px;font-weight:500;white-space:nowrap;margin:0}.about p{font-size:13px;line-height:1.7;color:var(--muted);max-width:630px;margin:0}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;padding:25px 0 30px;font:10px monospace;color:var(--muted)}dialog{width:min(560px,90vw);border:1px solid var(--line);border-radius:12px;background:var(--paper);padding:28px;color:var(--ink)}dialog::backdrop{background:#20242166;backdrop-filter:blur(4px)}dialog h2{font-size:25px;font-weight:500}dialog textarea{width:100%;height:150px;padding:12px;border:1px solid var(--line);border-radius:5px;resize:vertical}dialog button{padding:10px 15px;border:1px solid var(--line);border-radius:4px;background:white}dialog .close{float:right}.result{line-height:1.7;font-size:13px;color:var(--muted)}@media(max-width:850px){.wrap{padding:0 25px}.domain{display:none}.hero{gap:30px;padding:50px 0}h1{letter-spacing:-2px;font-size:48px}.cards{gap:10px}.card{padding:18px}.note-grid{gap:20px}.note{grid-template-columns:85px 1fr;gap:14px}}@media(max-width:620px){header{height:80px}.logo{font-size:22px}nav{gap:18px;font-size:11px}nav a:last-child{display:none}.hero{grid-template-columns:1fr;gap:35px;padding-top:40px}h1{font-size:48px}.intro{font-size:16px}.playground{max-width:430px;width:100%}.cards,.note-grid{grid-template-columns:1fr}.card{min-height:0;padding:23px}.card h3{margin-top:18px}.card-bottom{margin-top:18px}.section-head h2{font-size:25px}.section-head span{font-size:9px}.note{grid-template-columns:95px 1fr}.about{flex-direction:column;gap:15px}footer{gap:16px;line-height:1.5}.hero-foot{font-size:10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card{transition:none}}
/* Production tools: same visual system, larger working surfaces. */
[hidden]{display:none!important}.skip{position:absolute;left:20px;top:-100px;background:white;padding:15px;z-index:20}.skip:focus{top:10px}.noscript{padding:20px;text-align:center}dialog{width:min(690px,calc(100vw - 28px));max-height:90dvh;padding:30px;overflow:auto}dialog h2{font-size:32px;letter-spacing:-1px;margin:20px 0 12px}dialog h3{font-size:19px;font-weight:500}.dialog-head{display:flex;justify-content:space-between;align-items:center}.dialog-head .close{float:none;font-size:24px;line-height:1;width:40px;height:40px;padding:0;border:0;background:transparent}.dialog-intro{color:var(--muted);line-height:1.6;margin-bottom:25px}dialog label{display:block;font-size:12px;margin:14px 0 9px}dialog input:not([type=range]):not([type=file]):not([type=color]),dialog select{width:100%;padding:12px;border:1px solid #b9bdb5;border-radius:4px;background:#fffefb;color:var(--ink);min-width:0}dialog textarea{background:#fffefb;height:200px;line-height:1.6;color:var(--ink);border-color:#b9bdb5}dialog textarea:focus,dialog input:focus{outline:2px solid var(--blue)}dialog button{min-height:42px}dialog .primary,.download{background:var(--blue);color:white;border:1px solid var(--blue);border-radius:4px;padding:13px 17px}button:disabled{opacity:.45;cursor:default}.stats{display:flex;flex-wrap:wrap;gap:20px;margin:15px 0;font-size:12px}.stats strong{font:18px monospace}.muted,.hint{color:var(--muted)}.hint{font-size:12px;line-height:1.6}.actions{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.secondary-actions{margin-top:10px}.status{font-size:13px;line-height:1.6;min-height:1.6em;overflow-wrap:anywhere}.status.error{color:#a12d26}.status.ok{color:#2f6237}.palette-list{display:flex;gap:8px;margin:18px 0}.palette-choice{flex:1;min-width:0;border:0;background:transparent;padding:0;font:10px monospace}.palette-chip{display:block;height:65px;border:1px solid #20242115;border-radius:5px;margin-bottom:10px}hr{border:0;border-top:1px solid var(--line);margin:25px 0}.color-fields,.image-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}.color-row{display:flex;gap:8px;align-items:center}input[type=color]{width:44px;height:42px;padding:3px;border:1px solid var(--line);background:white;border-radius:4px;flex-shrink:0}.color-fields{margin-bottom:14px}#contrast-preview{padding:26px;border-radius:7px;border:1px solid var(--line);margin-top:20px;background:#f5f4f0;color:#202421}#contrast-preview strong{font-size:32px;letter-spacing:-1px;font-weight:500}#contrast-preview p{font-size:14px;line-height:1.7;max-width:360px}.dropzone{border:1px dashed #98a88c;border-radius:7px;background:#e9ece6;padding:24px;text-align:center}.dropzone.dragging{outline:3px solid var(--blue)}.dropzone label{font-size:15px;line-height:1.5;margin:0 0 18px}.dropzone input{max-width:100%;font-size:12px}.dropzone span{display:block;font:10px monospace;color:var(--muted);margin-top:16px}fieldset{border:0;padding:0;margin:0;min-width:0}input[type=range]{width:100%;accent-color:var(--blue)}.file-info{font:12px monospace;line-height:1.7;overflow-wrap:anywhere}#result-preview{display:block;width:100%;max-height:280px;object-fit:contain;border:1px solid var(--line);border-radius:5px;background:repeating-conic-gradient(#e7e7e2 0 25%,#fff 0 50%) 0/16px 16px}.download{display:inline-block;margin:8px 0}.link-button{font:inherit;color:inherit;border:0;background:transparent;cursor:pointer;padding:0;text-decoration:underline;text-underline-offset:3px}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:12px 20px;border-radius:5px;font-size:13px;z-index:50;pointer-events:none;opacity:0;max-width:90vw;text-align:center}.toast.visible{opacity:1}#privacy p,#copy-fallback p{font-size:14px;line-height:1.8}.sample-bottom button{min-height:30px}.swatch{min-height:32px}.card:focus-visible{outline:2px solid var(--blue)}.note details p{max-width:420px}.card p{max-width:290px}@media(max-width:620px){dialog{padding:20px}dialog h2{font-size:27px}.color-fields,.image-fields{gap:12px}.palette-list{gap:5px}.palette-choice{font-size:9px}.stats{gap:12px}footer{flex-wrap:wrap}.color-preview strong{font-size:clamp(28px,8vw,46px)}.play-top{font-size:8px}.section-head{gap:15px}.section-head span{text-align:right;max-width:90px}.hero h1{font-size:clamp(38px,10.5vw,48px);letter-spacing:-2px}.wrap{padding:0 20px}.playground{padding:16px}.sample-top{padding:15px}.color-preview{margin:12px}.swatches{padding:0 12px}.intro{max-width:100%}.dialog-intro{font-size:14px}.dropzone{padding:18px}.color-row{gap:5px}input[type=color]{width:32px}.color-fields input:not([type=color]){font-size:12px;padding:10px!important}}