:root{--ink:#172d27;--muted:#53645d;--line:#dce2db;--lime:#d9fc77;--paper:#fbfcf9}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible{outline:3px solid #65852b;outline-offset:5px}.header,main,footer{max-width:1280px;margin:auto}.header{height:96px;display:flex;align-items:center;justify-content:space-between;padding:0 48px;border-bottom:1px solid var(--line)}.brand{font-weight:750;font-size:26px;letter-spacing:-1.2px}.brandmark{font-size:32px;vertical-align:middle;margin-right:8px}.brand-dot{color:#668726}nav{display:flex;align-items:center;gap:32px;font-size:14px}.hero{padding:84px 48px 70px;display:grid;grid-template-columns:1.08fr 1fr;gap:60px;align-items:center}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:700;margin:0 0 24px}h1{font-size:24px;font-weight:500;letter-spacing:-.6px;line-height:1.1;margin:0 0 25px}h1>span{display:block;font-size:clamp(56px,6.5vw,88px);letter-spacing:-5px;font-weight:600;margin-top:16px}.lead{font-size:18px;max-width:420px;line-height:1.7;color:var(--muted);margin-bottom:30px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;background:var(--ink);color:white;padding:16px 22px;font:600 15px Arial;border:0;border-radius:4px;min-height:54px}.button:hover{background:#2a483d}.button span{font-size:23px;line-height:1}.small-note{font-size:12px;color:var(--muted);margin-top:17px}.specimen{background:var(--lime);border-radius:7px;min-height:450px;display:flex;flex-direction:column;transform:rotate(-2deg);box-shadow:12px 20px 0 #eaf0e4}.specimen-top,.specimen-bottom{display:flex;justify-content:space-between;font-family:Consolas,monospace;font-size:12px;padding:22px 25px}.specimen-top{border-bottom:1px solid #adc759}.specimen-bottom{border-top:1px solid #adc759;margin-top:auto}.specimen-middle{padding:35px 30px}.specimen-label{font-size:11px;letter-spacing:2px}.specimen-number{font:500 clamp(27px,3.5vw,45px) Consolas,monospace;letter-spacing:-2px;margin:22px 0}.specimen-number span{color:#607632}.specimen-placeholder{display:flex;gap:22px;align-items:center;border-top:1px solid #adc759;padding-top:24px}.specimen-placeholder>span{font-size:65px;line-height:1;font-family:Georgia,serif}.specimen-placeholder p{font-size:15px;line-height:1.6}.specimen-placeholder small{font-size:12px;color:#425426}.intro{margin:0 48px;display:grid;grid-template-columns:repeat(3,1fr);padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.intro p{font-size:14px;margin:0}.intro span{color:#728269;font:12px Consolas,monospace;margin-right:15px}.section{padding:78px 48px}h2{font-size:40px;line-height:1.15;letter-spacing:-1.8px;margin:0 0 22px;font-weight:550}.demo{display:grid;grid-template-columns:1fr 1fr;gap:90px}.demo>div>p:not(.eyebrow){color:var(--muted);max-width:440px}.download-card{background:white;border:1px solid var(--line);border-radius:7px;padding:28px;display:grid;grid-template-columns:60px 1fr;gap:12px 18px;align-content:center}.file-icon{position:relative;background:#f0f4e9;border:1px solid var(--line);font:26px Georgia;height:64px;display:grid;place-items:center;border-radius:4px}.file-icon span{position:absolute;bottom:-5px;right:3px;font:20px Arial}.download-card h3{font-size:20px;margin:2px 0}.download-card p{margin:0;font-size:14px;color:var(--muted)}.download{grid-column:1/-1;width:100%;margin-top:18px}.download:disabled{background:#e8ede3;color:#53624d;cursor:not-allowed}.download-card .download-note{grid-column:1/-1;font-size:12px}.instructions{border-top:1px solid var(--line)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:45px}.step-no{font:14px Consolas,monospace;color:#698249}.steps h3{font-size:20px;margin:18px 0 10px}.steps p{color:var(--muted);font-size:16px;margin:0}.note{margin:0 48px 80px;background:#eef2e8;padding:26px 30px;display:flex;gap:22px;border-radius:4px}.note-symbol{font:24px Georgia;flex-shrink:0}.note h3{font-size:16px;margin:0 0 5px}.note p{font-size:14px;color:var(--muted);margin:0;max-width:820px}footer{padding:30px 48px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px}footer .brand{font-size:22px}footer p,footer>span{font-size:12px;color:var(--muted)}@media(max-width:760px){.header{height:auto;min-height:90px;padding:20px 24px;gap:20px;flex-wrap:wrap}nav{gap:20px}.hero{padding:48px 24px;grid-template-columns:1fr;gap:45px}h1>span{font-size:64px;letter-spacing:-3px}.specimen{min-height:360px;transform:none;box-shadow:7px 10px 0 #eaf0e4}.specimen-number{font-size:38px}.intro{margin:20px 24px 0;gap:15px}.intro p{font-size:12px}.intro span{display:block}.section{padding:50px 24px}.demo{grid-template-columns:1fr;gap:28px}h2{font-size:34px}.steps{grid-template-columns:1fr;gap:28px}.steps article{border-top:1px solid var(--line);padding-top:20px}.note{margin:0 24px 45px;padding:20px}footer{padding:25px 24px;flex-wrap:wrap}footer>span{width:100%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@font-face{font-family:AlphaEANDemo;src:url("fonts/AlphaEAN-Demo-Standard.otf") format("opentype");font-display:swap}.specimen{transform:none}.barcode-paper{background:white;padding:24px 12px;overflow-x:auto;margin-top:28px;text-align:center}.barcode{font-family:AlphaEANDemo;font-size:26pt;line-height:normal;font-weight:normal;font-feature-settings:"ccmp" 1;letter-spacing:0;white-space:nowrap;color:black}.font-caption{font-size:12px;margin-bottom:0}.specimen-number{display:none}@media(max-width:400px){.barcode{font-size:20pt}}
.try-intro{margin:0 0 24px;font-size:16px}.ean-example+.ean-example{margin-top:28px}.ean-example label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}.ean-controls{display:flex;gap:8px}.ean-controls input{min-width:0;width:100%;border:1px solid #829b48;border-radius:4px;padding:10px 12px;font:18px Consolas,monospace;background:#fff;color:#172d27}.reset-code{background:transparent;border:1px solid #829b48;border-radius:4px;padding:8px 12px;font:14px Arial;cursor:pointer;color:#172d27}.reset-code:hover{background:#c9ed63}.ean-controls input:focus-visible{outline:3px solid #172d27;outline-offset:2px}.ean-controls input[aria-invalid="true"]{border-color:#8d291c}.ean-status{font-size:13px;margin:6px 0;min-height:21px}.ean-status[data-error="true"]{color:#802719}.ean-example .barcode-paper{margin-top:10px;min-height:150px;display:grid;place-items:center}.barcode[hidden],.empty-preview[hidden]{display:none}.empty-preview{font-size:14px;color:#53645d;max-width:260px;margin:0}.specimen-middle{padding:25px 24px}.hero{grid-template-columns:minmax(0,1.08fr) minmax(0,1fr)}@media(max-width:760px){.hero{grid-template-columns:minmax(0,1fr)}}
.steps p+p{margin-top:14px}.steps code{font-size:1em;overflow-wrap:anywhere}.steps p{overflow-wrap:break-word}
.excel-guide{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:60px}.excel-guide p{color:var(--muted);margin-top:0}.excel-example{min-width:0}.formula-row{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#eef2e8;padding:14px 18px;border-radius:4px;margin:12px 0}.formula-row span{font-size:14px;font-weight:700}.formula-row code{font:18px Consolas,monospace;white-space:nowrap}.excel-example>p{margin-top:20px}.excel-example .excel-tip{font-size:14px;border-left:2px solid #829b48;padding-left:14px}@media(max-width:760px){.excel-guide{grid-template-columns:1fr;gap:12px}}
.hero-benefit{font-size:22px;font-weight:650;line-height:1.35;margin:25px 0 12px}.compatible{font-size:15px;font-weight:600;margin:0 0 28px;line-height:1.8}.compatible span{font-size:14px;font-weight:400;color:var(--muted)}.hero-copy .lead{margin-bottom:20px}.benefits{border-bottom:1px solid var(--line)}.benefits .steps{margin-top:28px}.design-guide{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:60px}.design-guide p{color:var(--muted)}.design-guide code{overflow-wrap:anywhere}.design-detail{background:#eef2e8;padding:28px;border-radius:4px;align-self:start}.design-detail h3{margin-top:0;font-size:20px}.design-detail p:last-child{margin-bottom:0}@media(max-width:760px){.design-guide{grid-template-columns:1fr;gap:20px}}
/* Header and language menu. <details> keeps it working without JavaScript (purchase pages have a script-free CSP). */
.header{gap:40px}.header .site-nav{margin-left:auto}
.language{position:relative;flex-shrink:0;padding-left:28px;border-left:1px solid var(--line)}.language summary{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;border:1px solid var(--line);border-radius:6px;background:var(--paper);font-size:14px;font-weight:600;letter-spacing:.5px;cursor:pointer;list-style:none;user-select:none}.language summary::-webkit-details-marker{display:none}.language summary::after{content:'';width:6px;height:6px;margin:-4px 2px 0;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg)}.language[open] summary::after{transform:rotate(225deg);margin-top:4px}.language summary:hover,.language[open] summary{background:#eef2e8}.language[open] summary{border-color:#65852b}.language summary:focus-visible{outline:3px solid #65852b;outline-offset:3px}.language-icon{width:18px;height:18px;flex-shrink:0}
.language-options{position:absolute;right:0;top:calc(100% + 8px);z-index:20;min-width:220px;max-height:min(80vh,660px);overflow-y:auto;padding:8px;background:var(--paper);border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 32px #172d271f}.language-title{margin:0;padding:10px 12px 8px;font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted)}.language-list{display:grid;gap:2px}.language-list:has(>:nth-child(9)){display:block;columns:2;column-gap:4px;min-width:360px}.language-list:has(>:nth-child(9))>a{break-inside:avoid;margin-bottom:2px}.language-list a{display:flex;align-items:center;gap:12px;min-height:44px;padding:0 12px;border-radius:4px;font-size:15px;white-space:nowrap}.language-list a:hover,.language-list a:focus-visible{background:#eef2e8}.language-list a:focus-visible{outline-offset:-3px}.language-code{width:22px;flex-shrink:0;font:12px Consolas,monospace;color:var(--muted)}.language-list a[aria-current=page]{background:var(--lime);font-weight:700}.language-list a[aria-current=page] .language-code{color:var(--ink)}.language-list a[aria-current=page]::after{content:'✓';margin-left:auto;padding-left:12px}
@media(max-width:760px){.header{min-height:0;padding:0;gap:0}.header>.brand{display:flex;align-items:center;min-height:64px;padding:0 16px;font-size:22px}.header .brandmark{width:28px;height:28px}.language{margin-left:auto;padding:0 16px 0 0;border-left:0}.header .site-nav{order:3;flex-basis:100%;margin:0;padding:0 16px;gap:24px;border-top:1px solid var(--line);overflow-x:auto;white-space:nowrap;scrollbar-width:none}.header .site-nav a{padding:12px 0}
.language[open] summary::before{content:'';position:fixed;inset:0;z-index:40;background:#172d2773;cursor:default}.language-options{position:fixed;inset:auto 0 0;z-index:50;height:min(85vh,700px);max-height:none;padding:0 12px 24px;border:0;border-radius:16px 16px 0 0;box-shadow:0 -8px 32px #172d2733;overscroll-behavior:contain}.language-title{position:sticky;top:0;z-index:1;margin:0 -12px 8px;padding:26px 64px 16px 20px;background:var(--paper);border-bottom:1px solid var(--line);font-size:18px;letter-spacing:-.3px;text-transform:none;color:var(--ink)}.language-title::before{content:'';position:absolute;top:10px;left:50%;width:40px;height:4px;margin-left:-20px;border-radius:2px;background:#c3cdc2}.language-list,.language-list:has(>:nth-child(9)){display:grid;columns:auto;min-width:0;grid-template-columns:1fr}.language-list a{min-height:48px;gap:16px;font-size:16px}.language-code{width:24px;font-size:13px}
.language[open] summary::after{content:'✕';position:fixed;right:12px;bottom:calc(min(85vh,700px) - 66px);z-index:60;display:grid;place-items:center;width:44px;height:44px;margin:0;border:0;transform:none;font-size:18px;font-weight:400;color:var(--ink)}body:has(.language[open]){overflow:hidden}}
@font-face{font-family:AlphaEANLow;src:url("fonts/AlphaEAN-Demo-Low.otf") format("opentype");font-display:swap}@font-face{font-family:AlphaEANMedium;src:url("fonts/AlphaEAN-Demo-Medium.otf") format("opentype");font-display:swap}@font-face{font-family:AlphaEANHigh;src:url("fonts/AlphaEAN-Demo-High.otf") format("opentype");font-display:swap}
[data-font-height=Low] .barcode{font-family:AlphaEANLow}[data-font-height=Medium] .barcode{font-family:AlphaEANMedium}[data-font-height=High] .barcode{font-family:AlphaEANHigh}.height-picker{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:20px 0}.height-picker label{font-size:14px;font-weight:600}.height-picker select{font:inherit;font-size:14px;min-height:44px;max-width:100%;padding:8px 12px;border:1px solid #adc759;border-radius:4px;color:var(--ink);background:var(--paper)}.height-picker select:focus-visible{outline:3px solid #65852b;outline-offset:3px}.heights{border-top:1px solid var(--line)}.heights-intro{max-width:760px;color:var(--muted)}.height-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:32px}.height-card{min-width:0;padding:24px;background:#eef2e8;border:1px solid var(--line);border-radius:7px}.height-card h3{font-size:22px;margin:0}.height-font-name{color:var(--muted);font-size:13px;margin:4px 0 18px}.height-samples>p{font-size:12px;font-weight:600;margin:16px 0 8px}.height-paper{background:white;padding:18px 12px;overflow-x:auto}.height-paper .barcode{font-size:20pt;display:block}.heights-note{font-size:14px;color:var(--muted);margin-top:24px}@media(max-width:760px){.height-grid{grid-template-columns:1fr}.height-card{padding:18px}}

.license-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:28px 0}.license-card{border:1px solid var(--line);border-radius:7px;padding:24px;background:white}.license-card h3{margin-top:0}.license-price{font-size:32px;font-weight:700;margin:12px 0}.licensing>a,.licensing p>a{text-decoration:underline}@media(max-width:600px){.license-grid{grid-template-columns:1fr}}
.legal{max-width:820px;margin:0 auto;padding:64px 24px 80px}.legal h1{font-size:40px;line-height:1.15}.legal h2{font-size:24px;line-height:1.3;margin-top:40px}.legal a{text-decoration:underline;overflow-wrap:anywhere}.legal-date{color:var(--muted);font-size:14px}.site-footer{flex-wrap:wrap;gap:24px}.site-footer nav{display:flex;flex-wrap:wrap;gap:16px 24px}.site-footer nav a{text-decoration:underline;overflow-wrap:anywhere}.site-footer>p{flex-basis:100%;margin:0}@media(max-width:600px){.legal{padding-top:32px}.legal h1{font-size:32px}}
@media(max-width:760px){h1>span{font-size:min(64px,17vw)}}.nobr{white-space:nowrap}h1>.nobr{display:inline;margin:0;font:inherit;letter-spacing:inherit}
/* Free tools: EAN generator and check digit calculator */
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.tool-hero{padding-bottom:0}.tool-title{font-size:clamp(36px,5vw,56px);font-weight:600;letter-spacing:-2px;line-height:1.1;margin:0 0 18px}.tool-lead{max-width:640px;font-size:18px;line-height:1.7;color:var(--muted);margin:0}.tool{display:grid;gap:24px;padding-top:40px}.tool-card{min-width:0;background:white;border:1px solid var(--line);border-radius:7px;padding:28px}.segmented{display:inline-flex;flex-wrap:wrap;gap:4px;margin:0 0 24px;padding:4px;border:1px solid var(--line);border-radius:6px}.segmented label{position:relative}.segmented input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer}.segmented span{display:flex;align-items:center;min-height:40px;padding:0 16px;border-radius:4px;font-size:14px;font-weight:600}.segmented input:checked+span{background:var(--ink);color:white}.segmented input:focus-visible+span{outline:3px solid #65852b;outline-offset:2px}
.tool-label{display:block;margin-bottom:8px;font-size:14px;font-weight:700}.tool-input{width:100%;padding:12px;border:1px solid #829b48;border-radius:4px;background:white;color:var(--ink);font:18px Consolas,monospace}textarea.tool-input{font-size:16px;line-height:1.6;resize:vertical}.tool-input:focus-visible{outline:3px solid #65852b;outline-offset:2px}.tool-input[aria-invalid=true]{border-color:#8d291c}.tool-help{margin:8px 0 0;font-size:13px;color:var(--muted)}.tool-card .ean-status{margin:8px 0}.tool-preview{display:grid;place-items:center;min-height:180px;margin-top:12px;padding:24px;border:1px dashed var(--line);border-radius:4px}.tool-preview svg{width:100%;max-width:340px;height:auto}
.tool-options{display:flex;flex-wrap:wrap;align-items:end;gap:16px 24px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}.tool-options label{display:block;margin-bottom:6px;font-size:14px;font-weight:600}.tool-options select{min-height:44px;padding:8px 12px;border:1px solid var(--line);border-radius:4px;background:var(--paper);color:var(--ink);font:inherit;font-size:14px}.tool-options .tool-check{display:flex;align-items:center;gap:8px;min-height:44px;margin:0;font-weight:400}.tool-check input{width:18px;height:18px}.tool-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.tool-actions[hidden],[data-panel][hidden]{display:none}.button:disabled{background:#e8ede3;color:#53624d;cursor:not-allowed}.button-secondary{background:transparent;color:var(--ink);border:1px solid var(--ink)}.button-secondary:hover{background:#eef2e8}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-top:16px}.tool-grid figure{margin:0;padding:12px;border:1px solid var(--line);border-radius:4px;text-align:center}.tool-grid svg{width:100%;height:auto}.tool-grid figcaption{margin-top:6px;font:13px Consolas,monospace}.tool-errors{margin:8px 0;padding-left:20px;font-size:14px;color:#802719}.tool-errors:empty{display:none}
.tool-subtitle{margin:0 0 12px;font-size:20px;letter-spacing:-.3px}.cd-steps{margin-top:24px}.table-scroll{overflow-x:auto}.cd-table{border-collapse:collapse;font:15px Consolas,monospace}.cd-table th{padding:6px 12px 6px 0;text-align:left;white-space:nowrap;font:600 13px Arial,Helvetica,sans-serif}.cd-table td{min-width:30px;padding:6px 8px;border-left:1px solid var(--line);text-align:center}.cd-table td.cd-check{background:var(--lime);font-weight:700}.cd-sum{margin:12px 0 0;font-size:15px}.cd-results{margin:12px 0 0;padding:0;list-style:none;font-size:14px}.cd-results li{display:flex;flex-wrap:wrap;gap:4px 16px;padding:8px 0;border-bottom:1px solid var(--line)}.cd-results code{font:15px Consolas,monospace}.cd-results [data-ok=false] span{color:#802719}.cd-results [data-ok=true] span{color:#3f5a1c}
.tool-info{border-top:1px solid var(--line)}.tool-info>*{max-width:820px}.tool-info h2{font-size:32px}.tool-info p,.tool-info li{color:var(--muted)}.tool-info li+li{margin-top:8px}.tool-link{color:var(--ink);font-weight:600;text-decoration:underline;text-underline-offset:3px}.tool-cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;margin:0 48px 70px;padding:32px;border-radius:7px;background:#eef2e8}.tool-cta h2{margin:0 0 8px;font-size:28px}.tool-cta p{max-width:620px;margin:0;color:var(--muted)}@media(max-width:760px){.tool{padding-top:28px}.tool-card{padding:20px}.tool-cta{margin:0 24px 45px;padding:24px}.tool-info h2{font-size:26px}}