:root{color-scheme:light;--bg:#f8f8f6;--paper:#fff;--ink:#282629;--muted:#666164;--line:#dedbd9;--accent:#ac161e;--accent-text:#fff;--soft:#eeebe7;--gold:#fed38f;--status:#f2eee8;--error:#ac161e;--shadow:0 24px 70px #26201c0c}
:root[data-theme=dark]{color-scheme:dark;--bg:#202124;--paper:#292a2e;--ink:#f2f0ed;--muted:#bbb8b5;--line:#47474b;--accent:#fed38f;--accent-text:#252326;--soft:#303034;--status:#343236;--error:#ffb2af;--shadow:0 24px 70px #0002}
@media(prefers-color-scheme:dark){:root:not([data-theme]){color-scheme:dark;--bg:#202124;--paper:#292a2e;--ink:#f2f0ed;--muted:#bbb8b5;--line:#47474b;--accent:#fed38f;--accent-text:#252326;--soft:#303034;--status:#343236;--error:#ffb2af;--shadow:0 24px 70px #0002}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}h1,h2,h3,p,figure{margin:0}a{color:inherit;text-underline-offset:.25em}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}[hidden]{display:none!important}.wrap{width:min(1220px,calc(100% - 96px));margin-inline:auto}.skip-link{position:fixed;z-index:10;top:8px;left:12px;padding:12px 20px;background:var(--accent);color:var(--accent-text);transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.utility{border-bottom:1px solid var(--line);background:var(--soft)}.utility-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:47px;font-size:12px}.languages{display:flex;gap:22px}.languages a{text-decoration:none;color:var(--muted)}.languages a[aria-current]{color:var(--accent);font-weight:750}.theme-control{display:flex;align-items:center;gap:10px}.theme-control label{color:var(--muted)}.theme-control select{font-size:12px;padding:4px 24px 4px 9px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:4px;min-height:30px}.header{display:flex;align-items:center;justify-content:space-between;gap:30px;min-height:102px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:18px;line-height:1.06;font-weight:750;letter-spacing:-.035em}.brand img{object-fit:contain}.header nav{display:flex;gap:32px;font-size:14px;font-weight:600}.header nav a{text-decoration:none;padding:10px 0;border-bottom:2px solid transparent}.header nav a:hover,.header nav a[aria-current]{color:var(--accent);border-bottom-color:var(--accent)}.menu-toggle{border:1px solid var(--line);background:var(--paper);color:var(--ink);padding:8px 13px}.hero{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:64px;padding:100px 0 88px}.eyebrow{color:var(--accent);font-size:10px;font-weight:750;letter-spacing:.16em}.hero h1{font-size:clamp(40px,4.3vw,63px);font-weight:650;line-height:1.09;letter-spacing:-.05em;margin:24px 0}.hero h1 em{font-style:normal;color:var(--accent)}.lead{font-size:18px;line-height:1.65;color:var(--muted);max-width:660px}.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:30px}.button{display:inline-flex;justify-content:center;align-items:center;min-height:49px;padding:13px 20px;border:1px solid var(--line);border-radius:3px;background:transparent;color:var(--ink);font-weight:650;font-size:13px;line-height:1.5;text-decoration:none;transition:border-color .15s}.button:hover{border-color:var(--accent);background:var(--soft)}.button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.button.primary:hover{filter:brightness(.94)}.button:disabled{opacity:.58;filter:none}.platform{font-size:11px;color:var(--muted);margin-top:22px;letter-spacing:.035em}.diagram{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:5px;overflow:hidden;transform:translateY(10px)}.diagram figcaption{font-size:10px;text-transform:uppercase;letter-spacing:.13em;color:var(--accent);font-weight:750;padding:18px 24px;border-bottom:1px solid var(--line)}.diagram-heading{display:flex;justify-content:space-between;gap:15px;font-size:12px;font-weight:650;padding:24px;background:var(--soft)}.diagram-heading>span:nth-child(2){color:var(--accent)}.diagram-files{padding:4px 24px}.file-row{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:21px 0;border-bottom:1px solid var(--line);font-size:12px}.file-row:last-child{border:0}.file-row>span:first-child{display:flex;align-items:center;gap:10px;font-family:ui-monospace,Consolas,monospace}.file-icon{display:block;width:12px;height:15px;border:1px solid var(--muted);border-radius:1px}.file-status{font-size:10px;white-space:nowrap;padding:4px 7px;border:1px solid var(--line);border-radius:3px;color:var(--muted)}.file-status.s1{color:var(--accent);border-color:var(--accent)}.file-status.s2{border-style:dashed}.diagram-note{font-size:10px;color:var(--muted);padding:16px 24px;border-top:1px solid var(--line)}.features{padding-top:25px}.section-top{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-bottom:30px}h2{font-size:30px;line-height:1.22;letter-spacing:-.035em;font-weight:650}.task-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.task{padding:28px 24px 34px 0}.task+.task{padding-left:24px;border-left:1px solid var(--line)}.task-number{font-size:10px;font-weight:750;letter-spacing:.06em;color:var(--accent)}.task h3{font-size:19px;line-height:1.25;letter-spacing:-.025em;margin:24px 0 13px;max-width:240px}.task p{font-size:13px;line-height:1.7;color:var(--muted)}.local-note{display:flex;align-items:center;gap:25px;background:var(--soft);padding:26px 30px;margin-top:32px;border-radius:3px}.local-symbol{color:var(--accent);font-size:40px;line-height:1}.local-note h2{font-size:17px;letter-spacing:-.015em;margin-bottom:4px}.local-note p{font-size:13px;color:var(--muted)}.support-strip{display:flex;justify-content:space-between;align-items:center;gap:35px;padding:60px 0;border-bottom:1px solid var(--line)}.support-strip h2{font-size:23px;max-width:720px}.support-strip p{color:var(--muted);font-size:13px;margin-top:10px}.support-strip .button{flex-shrink:0}.faq{display:grid;grid-template-columns:1fr 1.35fr;gap:80px;padding:65px 0 85px}.faq h2{font-size:25px}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq details:first-child{padding-top:0}.faq summary{cursor:pointer;font-size:14px;font-weight:650}.faq details p{font-size:13px;color:var(--muted);margin-top:14px;max-width:600px}.footer{display:grid;grid-template-columns:1fr 1.3fr auto;gap:30px;padding:30px 0 42px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.footer strong{font-size:13px;color:var(--ink)}.footer p{margin-top:5px}.footer nav{display:flex;align-content:flex-start;gap:8px 22px;flex-wrap:wrap}.footer nav a,.footer>a{text-decoration:none}.footer a:hover,.text-link:hover{color:var(--accent)}.inner-page{padding-top:64px;padding-bottom:90px;min-height:65vh}.page-heading{max-width:860px;margin-bottom:36px}.page-heading h1{font-size:clamp(36px,4.4vw,60px);line-height:1.1;letter-spacing:-.05em;font-weight:650;margin:18px 0 24px}.page-heading .lead{max-width:760px}.notice-status{display:flex;align-items:center;gap:12px;font-size:13px;font-weight:650;padding:16px 20px;border-left:3px solid var(--accent);background:var(--status);margin-bottom:30px}.status-dot{width:7px;height:7px;background:var(--accent);border-radius:50%}.edition-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.edition{background:var(--paper);border:1px solid var(--line);padding:32px;display:flex;align-items:flex-start;flex-direction:column}.edition h2{font-size:34px;margin:20px 0 15px}.edition p{color:var(--muted);font-size:15px;margin-bottom:28px;flex:1}.requirements{margin:48px 0}.requirements>h2{font-size:25px;margin-bottom:28px}.requirement-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.requirement-grid h3{font-size:17px;margin-bottom:10px}.requirement-grid p{font-size:14px;color:var(--muted)}.steps{list-style:none;counter-reset:step;max-width:850px;padding:0;margin:45px 0}.steps li{position:relative;padding:0 0 32px 66px;counter-increment:step}.steps li:before{content:'0'counter(step);position:absolute;left:0;top:0;color:var(--accent);border-top:1px solid var(--accent);padding-top:4px;font-size:13px;font-weight:750}.steps h2{font-size:22px;margin-bottom:10px}.steps p{font-size:15px;color:var(--muted)}.callout{background:var(--soft);border-left:3px solid var(--accent);padding:25px 30px;max-width:850px}.callout h2{font-size:21px;margin-bottom:12px}.callout p{font-size:14px;color:var(--muted)}.support-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:start}.support-layout form{background:var(--paper);border:1px solid var(--line);padding:32px;max-width:640px}fieldset{margin:0;padding:0;border:0;min-width:0}legend{font-size:14px;font-weight:650;margin-bottom:18px}.amounts{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.amounts label{position:relative;cursor:pointer}.amounts input{position:absolute;opacity:0;width:1px;height:1px}.amounts span{display:flex;align-items:center;justify-content:center;min-height:50px;padding:10px 5px;border:1px solid var(--line);font-size:13px;border-radius:3px}.amounts input:checked+span{background:var(--accent);color:var(--accent-text);border-color:var(--accent);font-weight:750}.amounts input:focus-visible+span{outline:3px solid var(--accent);outline-offset:3px}.field-label{display:block;font-size:13px;font-weight:650;margin:24px 0 9px}#custom-amount{width:100%;min-height:48px;padding:10px 13px;border:1px solid var(--line);border-radius:3px;background:var(--bg);color:var(--ink)}#custom-amount:disabled{opacity:.5}.field-help{font-size:12px;color:var(--muted);margin-top:10px}.error{font-size:13px;color:var(--error);margin-top:10px}.amount-summary{margin:24px 0;font-size:18px;font-weight:650;min-height:29px}.payment-action{width:100%}.support-aside{padding-top:24px}.support-aside h2{margin:18px 0 20px}.support-aside p:not(.eyebrow){font-size:15px;color:var(--muted);margin-bottom:18px}.text-link{font-size:14px;font-weight:650}.prose{max-width:800px}.text-section{padding:26px 0;border-bottom:1px solid var(--line)}.text-section h2{font-size:23px;margin-bottom:12px}.text-section p{color:var(--muted);font-size:15px}.timeline{margin:42px 0}.timeline article{display:grid;grid-template-columns:250px 1fr;gap:30px;padding:30px 0;border-top:1px solid var(--line)}.version h2{font-size:30px;display:inline-block;margin-right:12px}.badge{display:inline-block;padding:4px 8px;border:1px solid var(--line);font-size:10px;color:var(--accent);vertical-align:middle;border-radius:3px}.version time{display:block;font-size:12px;color:var(--muted);margin-top:9px}.timeline article>p{font-size:15px;color:var(--muted)}.contact-panel{max-width:800px;background:var(--paper);border:1px solid var(--line);padding:36px}.contact-panel h2{margin:16px 0 26px}.email-link{font-size:clamp(19px,3vw,30px);font-weight:600;color:var(--accent)}.contact-panel>p:not(.eyebrow){font-size:14px;color:var(--muted);margin:28px 0}.legal-details{max-width:850px;margin:45px 0}.legal-details>div{display:grid;grid-template-columns:1fr 1.5fr;gap:35px;padding:20px 0;border-top:1px solid var(--line)}.legal-details dt{font-size:13px;color:var(--muted)}.legal-details dd{font-size:15px;margin:0}#main:focus{outline:none}
@media(min-width:801px){.menu-toggle{display:none!important}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.hero{gap:32px;padding:70px 0}.hero h1{font-size:44px}.lead{font-size:16px}.diagram-heading,.diagram-files{padding-inline:17px}.file-row{gap:8px;font-size:10px}.file-status{font-size:9px}.footer{grid-template-columns:1fr 1.5fr}.footer>a{grid-column:2}.support-layout{gap:30px}}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}.header{min-height:86px;position:relative;flex-wrap:wrap;padding-block:17px;gap:18px}.header nav{width:100%;display:flex;gap:23px;font-size:13px;flex-wrap:wrap}.header nav.collapsible{display:none}.header nav.is-open{display:flex}.hero{grid-template-columns:1fr;gap:40px;padding:55px 0}.hero h1{font-size:clamp(38px,7.3vw,57px)}.hero-copy{max-width:650px}.diagram{transform:none;width:100%;max-width:630px}.diagram-heading,.diagram-files{padding-inline:24px}.file-row{font-size:12px}.file-status{font-size:11px}.section-top{display:block}.section-top h2{font-size:27px;margin-top:12px}.task-grid{grid-template-columns:1fr 1fr}.task{padding:25px 22px 28px 0}.task+.task{padding-left:22px}.task:nth-child(3){border-left:0;padding-left:0;border-top:1px solid var(--line)}.task:nth-child(4){border-top:1px solid var(--line)}.support-strip{align-items:flex-start;padding:40px 0;flex-direction:column;gap:22px}.support-strip h2{font-size:23px}.faq{grid-template-columns:1fr;gap:28px;padding:45px 0 60px}.footer{grid-template-columns:1fr;gap:20px}.footer>a{grid-column:auto}.footer nav{gap:12px 22px}.inner-page{padding-top:45px;padding-bottom:60px}.edition-grid{gap:16px}.edition{padding:24px}.requirements{margin:36px 0}.requirement-grid{grid-template-columns:1fr;gap:22px}.support-layout{grid-template-columns:1fr}.support-aside{padding-top:0}.timeline article{grid-template-columns:1fr;gap:20px}.legal-details>div{grid-template-columns:1fr;gap:7px}.page-heading h1{font-size:42px}.page-heading .lead{font-size:17px}}
@media(max-width:480px){.utility-inner{font-size:10px;gap:12px;min-height:50px}.languages{gap:12px}.theme-control{gap:5px}.theme-control select{font-size:10px;padding-left:6px;padding-right:18px;max-width:116px}.theme-control label{font-size:10px}.brand{font-size:17px}.brand img{width:40px;height:40px}.hero h1{font-size:38px}.hero .actions{align-items:stretch}.hero .button{padding:12px 14px;font-size:12px}.diagram figcaption{padding:15px 16px}.diagram-heading{font-size:11px;padding:20px 16px}.diagram-files{padding:3px 16px}.file-row{font-size:10px;gap:7px}.file-row>span:first-child{gap:7px}.file-status{font-size:9px;padding:3px 5px}.diagram-note{padding:14px 16px;font-size:9px}.task-grid{grid-template-columns:1fr}.task,.task+.task{padding:24px 0;border-left:0;border-top:1px solid var(--line)}.task:first-child{border-top:0}.task h3{max-width:none;margin-top:14px}.local-note{padding:22px 20px;gap:16px;align-items:start}.local-symbol{font-size:30px}.local-note p{font-size:12px}.edition-grid{grid-template-columns:1fr}.page-heading h1{font-size:36px}.support-layout form{padding:23px 18px}.amounts{gap:5px}.amounts span{font-size:11px;padding:8px 3px}.contact-panel{padding:25px}.steps li{padding-left:45px}.steps h2{font-size:20px}.callout{padding:22px}.footer{font-size:12px}.footer nav{line-height:2}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* Keep compact labels readable and let the language/theme toolbar reflow. */
.utility-inner{flex-wrap:wrap;padding-block:8px}.eyebrow,.task-number,.diagram figcaption,.diagram-note,.badge{font-size:11px}.file-row{font-size:12px}.file-status{font-size:11px}
.language-control{display:flex;align-items:center;gap:10px}.language-control label{color:var(--muted)}.language-control select{font:inherit;font-size:12px;min-height:34px;max-width:200px;padding:4px 25px 4px 9px;border:1px solid var(--line);border-radius:4px;background:var(--paper);color:var(--ink)}
@media(max-width:480px){.utility-inner{font-size:12px;gap:8px 16px}.languages{gap:14px}.theme-control label,.theme-control select{font-size:12px}.theme-control select{max-width:none}.file-row{font-size:11px;flex-wrap:wrap}.diagram-note{font-size:11px}}
@media(max-width:480px){.language-control{gap:5px}.language-control label{font-size:12px}.language-control select{font-size:12px;max-width:155px}.utility-inner{align-items:center}}