@font-face{font-family:'Plex';src:url(../fonts/plex-sans-latin.woff2) format('woff2');font-weight:300 700;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Plex';src:url(../fonts/plex-sans-latin-ext.woff2) format('woff2');font-weight:300 700;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Plex';src:url(../fonts/plex-sans-cyrillic.woff2) format('woff2');font-weight:300 700;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Plex';src:url(../fonts/plex-sans-greek.woff2) format('woff2');font-weight:300 700;font-display:swap;unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}
@font-face{font-family:'Plex';src:url(../fonts/plex-sans-vietnamese.woff2) format('woff2');font-weight:300 700;font-display:swap;unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:'Plex Mono';src:url(../fonts/plex-mono-400.woff2) format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Plex Mono';src:url(../fonts/plex-mono-500.woff2) format('woff2');font-weight:500;font-display:swap}

:root{
  --bg:#F2F2F0;--surface:#FFFFFF;--surface-2:#EDEDEB;--ink:#020205;--ink-2:#433E39;--ink-3:#676769;--ink-4:#909798;
  --line:#DBDCDE;--line-2:#C7CBCF;--focus:#3E707F;--acc:#3E707F;
  --sketch:#184D5A;--sketch-soft:#D3E2E7;--sketch-text:#020205;
  --ok:#2E7D5B;--warn:#9A6212;--bad:#B4232A;
  --btn-bg:#020205;--btn-ink:#F2F2F0;
  --sans:'Plex',ui-sans-serif,system-ui,-apple-system,'Segoe UI','Helvetica Neue',Arial,sans-serif;
  --mono:'Plex Mono',ui-monospace,'SFMono-Regular',Menlo,Consolas,monospace;
  color-scheme:light;
}
/* Dark: follows the device, unless the visitor picked light or dark with the header switch (data-theme on <html>). */
:root[data-theme="dark"]{
  --bg:#09090B;--surface:#121215;--surface-2:#18181C;--ink:#EDEDEB;--ink-2:#C5CACC;--ink-3:#A1A2A4;--ink-4:#747476;
  --line:#26262B;--line-2:#34343A;--focus:#7499A4;--acc:#7499A4;
  --sketch:#B6CED6;--sketch-soft:#184D5A;--sketch-text:#EDEDEB;
  --ok:#4CC38A;--warn:#E0A54A;--bad:#F0556B;
  --btn-bg:#EDEDEB;--btn-ink:#09090B;color-scheme:dark;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#09090B;--surface:#121215;--surface-2:#18181C;--ink:#EDEDEB;--ink-2:#C5CACC;--ink-3:#A1A2A4;--ink-4:#747476;
  --line:#26262B;--line-2:#34343A;--focus:#7499A4;--acc:#7499A4;
  --sketch:#B6CED6;--sketch-soft:#184D5A;--sketch-text:#EDEDEB;
  --ok:#4CC38A;--warn:#E0A54A;--bad:#F0556B;
  --btn-bg:#EDEDEB;--btn-ink:#09090B;color-scheme:dark;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.65 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg,video{max-width:100%}
a{color:inherit;text-decoration-color:var(--line-2);text-underline-offset:3px}
a:hover{text-decoration-color:currentColor}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:3px}
h1,h2,h3,h4{text-wrap:balance;margin:0;font-weight:500;letter-spacing:-.01em;line-height:1.2}
p{margin:0}
.wrap{max-width:1120px;margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
.narrow{max-width:720px}
.skip{position:absolute;left:-999px;top:8px;background:var(--surface);padding:8px 12px;border-radius:6px;z-index:50}
.skip:focus{left:16px}
.eyebrow{font:500 11px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.muted{color:var(--ink-3)}
.small{font-size:13px}
.mono{font-family:var(--mono)}
.num{font-variant-numeric:tabular-nums}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
[hidden]{display:none!important}

/* header / footer */
.site-head{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:saturate(1.2) blur(10px);-webkit-backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:20px;height:56px}
.brand{display:flex;align-items:center;gap:9px;font:500 12px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;text-decoration:none;white-space:nowrap}
.mark{width:18px;height:18px;flex:none}
.mark line{stroke:currentColor}.mark circle{fill:currentColor}
.site-nav{display:flex;gap:18px;margin-left:auto;font-size:14px;color:var(--ink-3)}
.site-nav a{text-decoration:none;white-space:nowrap}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--ink)}
@media (max-width:640px){.site-nav .nav-opt{display:none}}
@media (max-width:440px){.site-nav .nav-mod{display:none}.site-head .wrap{gap:12px}}
@media (max-width:330px){.brand span{display:none}}
.theme-btn{flex:none;display:inline-grid;place-items:center;width:32px;height:32px;margin-left:-4px;padding:0;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--ink-3);cursor:pointer}
.theme-btn:hover{color:var(--ink);border-color:var(--line-2)}
.theme-btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.theme-btn[hidden]{display:none}.theme-btn svg[hidden]{display:none}
.site-nav{min-width:0}
.site-foot{margin-top:72px;border-top:1px solid var(--line);padding-block:32px 48px;color:var(--ink-3);font-size:13px}
.site-foot .wrap{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between}
.site-foot nav{display:flex;flex-wrap:wrap;gap:8px 18px}
.site-foot a{text-decoration:none}.site-foot a:hover{color:var(--ink)}

/* buttons, status */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:500 14px/1 var(--sans);border-radius:9px;padding:11px 16px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);text-decoration:none;cursor:pointer;white-space:nowrap;min-height:40px}
.btn:hover{border-color:var(--ink-3)}
.btn.primary{background:var(--btn-bg);color:var(--btn-ink);border-color:var(--btn-bg)}
.btn.primary:hover{opacity:.9}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed}
.btn.quiet{border-color:transparent;background:transparent;color:var(--ink-3);padding-inline:8px}
.btn.quiet:hover{color:var(--ink)}
.btn.danger{color:var(--bad);border-color:var(--line-2)}
.acts{display:flex;flex-wrap:wrap;gap:8px}
.status{display:inline-flex;align-items:center;gap:7px;font-size:13px}
.dot{width:7px;height:7px;border-radius:50%;background:currentColor;flex:none}
.s-ok{color:var(--ok)}.s-warn{color:var(--warn)}.s-bad{color:var(--bad)}.s-off{color:var(--ink-4)}
.status .t{color:var(--ink-2)}
.notice{border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:14px 16px;font-size:14px;color:var(--ink-2);display:grid;gap:6px}
.notice.warn{border-color:color-mix(in srgb,var(--warn) 40%,var(--line))}
.notice.bad{border-color:color-mix(in srgb,var(--bad) 40%,var(--line))}

/* home */
.hero{padding-block:64px 36px;display:grid;gap:18px;max-width:720px}
.hero h1{font-size:clamp(36px,6vw,58px);font-weight:400;letter-spacing:-.03em;line-height:1.04}
.hero p{font-size:18px;color:var(--ink-2)}
.pilot{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;font-size:13px;color:var(--ink-3)}
.progress{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:16px 18px;display:grid;gap:12px;margin-block:8px 28px}
.progress .row{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:14px}
.cells{display:grid;grid-template-columns:repeat(30,1fr);gap:3px}
.cells i{height:8px;border-radius:2px;background:var(--surface-2);border:1px solid var(--line)}
.cells i.done{background:var(--acc);border-color:var(--acc)}
.tracks{display:grid;gap:0;border-top:1px solid var(--line)}
.track{display:grid;grid-template-columns:240px 1fr;gap:28px;padding-block:24px;border-bottom:1px solid var(--line)}
.track h2{font-size:19px}
.track p{font-size:14px;color:var(--ink-3);margin-top:6px}
.mods{display:grid}
.mrow{display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:baseline;padding:11px 0;border-bottom:1px solid var(--line);text-decoration:none}
.mrow:last-child{border-bottom:0}
.mrow .n{font:500 12px/1 var(--mono);color:var(--ink-3)}
.mrow .t{font-weight:500}
.mrow .t small{display:block;font-weight:400;font-size:14px;color:var(--ink-3);margin-top:2px}
.mrow.soon .t{color:var(--ink-3);font-weight:400}
a.mrow:hover .t{text-decoration:underline;text-decoration-color:var(--line-2);text-underline-offset:3px}
@media (max-width:820px){.track{grid-template-columns:1fr;gap:8px}}

/* module page */
.mhead{padding-block:52px 28px;display:grid;gap:14px;max-width:760px}
.mhead h1{font-size:clamp(32px,5vw,46px);font-weight:400;letter-spacing:-.025em;line-height:1.08}
.mhead p{font-size:18px;color:var(--ink-2)}
.facts{display:flex;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:0}
.facts div{padding:12px 22px 12px 0;margin-right:22px;border-right:1px solid var(--line);display:grid;gap:2px}
.facts div:last-child{border-right:0}
.facts dt{font:500 11px/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.facts dd{margin:0;font-size:17px;font-variant-numeric:tabular-nums}
.mgrid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;margin-top:32px;align-items:start}
@media (max-width:900px){.mgrid{grid-template-columns:1fr}}
.lessons{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.lessons li{border-bottom:1px solid var(--line)}
.lessons a{display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:baseline;padding:14px 0;text-decoration:none}
.lessons .n{font:500 12px/1 var(--mono);color:var(--ink-3)}
.lessons .t{font-weight:500}
.lessons .t small{display:block;font-weight:400;font-size:14px;color:var(--ink-3);margin-top:2px}
.lessons .m{font:400 12px/1 var(--mono);color:var(--ink-3);white-space:nowrap}
.lessons .read .n::after{content:" ✓";color:var(--ok)}
.side{display:grid;gap:16px;position:sticky;top:76px}
.card{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:18px;display:grid;gap:10px}
.card h2,.card h3{font-size:16px}
.card p{font-size:14px;color:var(--ink-2)}
.terms{display:grid;gap:0;border-top:1px solid var(--line)}
.terms div{padding:12px 0;border-bottom:1px solid var(--line);display:grid;gap:4px}
.terms dt{font-weight:500}
.terms dd{margin:0;color:var(--ink-2);font-size:15px}
section.block{margin-top:56px;display:grid;gap:16px}
section.block>h2{font-size:22px;font-weight:400;letter-spacing:-.015em}

/* lesson */
.lesson{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;padding-top:32px;align-items:start}
.lnav{position:sticky;top:76px;display:grid;gap:2px;font-size:14px}
.lnav .mt{font-weight:500;margin-bottom:10px;text-decoration:none;display:block}
.lnav a.it{display:grid;grid-template-columns:20px 1fr;gap:6px;padding:7px 9px;border-radius:7px;color:var(--ink-3);text-decoration:none}
.lnav a.it:hover{color:var(--ink)}
.lnav a.it[aria-current="page"]{background:var(--surface-2);color:var(--ink)}
.lnav .ck{font:400 11px/1.75 var(--mono)}
.lnav a.it.read .ck{color:var(--ok)}
.lnav .quizl{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
article.lmain{max-width:700px;display:grid;gap:22px;min-width:0}
article.lmain h1{font-size:clamp(28px,4.4vw,38px);font-weight:400;letter-spacing:-.02em;line-height:1.12}
.short{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:var(--surface);display:grid;gap:6px}
.short p{font-size:17px;line-height:1.55}
.prose{display:grid;gap:18px;color:var(--ink-2);font-size:17px;line-height:1.72}
.prose h2{font-size:22px;font-weight:500;color:var(--ink);margin-top:14px;letter-spacing:-.015em}
.prose h3{font-size:18px;color:var(--ink);margin-top:8px}
.prose strong{color:var(--ink);font-weight:500}
.prose pre,.notice pre{margin:0;overflow-x:auto;max-width:100%;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font:400 13px/1.6 var(--mono);color:var(--ink)}
.prose code,.notice code{font-family:var(--mono);font-size:.9em}
.prose :not(pre)>code,.notice :not(pre)>code{background:var(--surface-2);border-radius:4px;padding:1px 4px;overflow-wrap:anywhere}
.notice{min-width:0}
.prose ul,.prose ol{margin:0;padding-left:22px;display:grid;gap:8px}
.prose table{border-collapse:collapse;width:100%;font-size:15px}
.prose .tbl{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
.prose th,.prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font:500 11px/1.4 var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--ink-3)}
.prose tr:last-child td{border-bottom:0}
.prose td:first-child{color:var(--ink);font-weight:500}
sup.fn{font:500 11px/1 var(--mono);margin-left:1px}
sup.fn a{color:var(--acc);text-decoration:none;padding:0 1px}
sup.fn a:hover{text-decoration:underline}
.view{color:var(--ink)}
.view em{font-style:normal;font:500 11px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-right:8px}
.case{border:1px dashed var(--line-2);border-radius:12px;padding:16px 18px;display:grid;gap:10px;font-size:16px;color:var(--ink-2)}
.case .eyebrow{color:var(--ink-2)}
.case p{line-height:1.65}
.case ul{margin:0;padding-left:20px;display:grid;gap:6px}
figure{margin:0;display:grid;gap:8px}
.doodle{border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden;color:var(--sketch)}
.doodle svg{display:block;width:100%;height:auto}
.doodle .ink{stroke:var(--sketch);fill:none}
.doodle .soft{stroke:var(--sketch);fill:none;opacity:.35}
.doodle .tx{fill:var(--sketch-text);font-family:var(--sans);font-size:16px}
.doodle .tx.s{fill:var(--ink-3);font-size:13.5px}
@media (max-width:600px){.doodle{overflow-x:auto;-webkit-overflow-scrolling:touch}.doodle svg{min-width:620px}figcaption::after{content:" Swipe to see all of it."}}
.doodle .tx.b{font-weight:500}
figcaption{font-size:13px;color:var(--ink-3)}
.video{display:grid;gap:8px}
.video video{width:100%;border-radius:12px;border:1px solid var(--line);background:var(--surface-2);display:block}
.sources{display:grid;gap:10px}
.sources ol{margin:0;padding-left:22px;display:grid;gap:8px;font-size:14px;color:var(--ink-2)}
.sources li:target{background:var(--surface-2);border-radius:6px}
.sources .pub{color:var(--ink-3)}
.lfoot{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;padding-top:18px;border-top:1px solid var(--line)}
.advice{font-size:13px;color:var(--ink-3)}
@media (max-width:860px){.lesson{grid-template-columns:1fr;gap:20px}.lnav{position:static;display:none}}

/* flashcards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.flash{border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.flash summary{list-style:none;cursor:pointer;padding:18px;font-weight:500;display:flex;justify-content:space-between;gap:10px}
.flash summary::-webkit-details-marker{display:none}
.flash summary::after{content:"Show";font:500 11px/1.6 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.flash[open] summary::after{content:"Hide"}
.flash p{padding:0 18px 18px;color:var(--ink-2);font-size:15px}

/* forms */
.form{max-width:460px;display:grid;gap:16px;padding-block:44px}
.form h1{font-size:30px;font-weight:400;letter-spacing:-.02em}
.field{display:grid;gap:6px;font-size:14px;color:var(--ink-2)}
.field input{font:400 16px/1.3 var(--sans);color:var(--ink);background:var(--surface);border:1px solid var(--line-2);border-radius:9px;padding:11px 12px;width:100%}
.field input:focus{outline:2px solid var(--focus);outline-offset:1px}
.field .err{color:var(--bad);font-size:13px}
.check{display:grid;grid-template-columns:20px 1fr;gap:10px;font-size:14px;color:var(--ink-2);align-items:start;cursor:pointer}
.check input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--ink)}
.ts{min-height:0}
.linkbox{border:1px dashed var(--line-2);border-radius:12px;padding:14px;display:grid;gap:10px;font-size:14px;color:var(--ink-2)}
.linkbox code{font:400 12px/1.5 var(--mono);color:var(--ink);word-break:break-all;background:var(--surface-2);border-radius:6px;padding:8px 10px;display:block}

/* quiz */
.quiz{max-width:700px;margin:0 auto;padding-block:36px;display:grid;gap:18px}
.quiz>section{display:grid;gap:16px}
.q-top{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:14px;color:var(--ink-3);flex-wrap:wrap}
.timer{display:inline-flex;align-items:center;gap:8px;font:500 14px/1 var(--mono);color:var(--ink)}
.timer svg{width:22px;height:22px}
.timer .track-c{stroke:var(--line)}
.timer .arc{stroke:var(--ink);transition:stroke-dashoffset .9s linear}
.timer.low .arc{stroke:var(--warn)}
.qbar{display:grid;gap:3px}
.qbar i{height:4px;border-radius:2px;background:var(--line)}
.qbar i.d{background:var(--ink-3)}
.qbar i.c{background:var(--acc)}
.qcase{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:var(--surface);display:grid;gap:6px;font-size:15px;color:var(--ink-2)}
.qstem{font-size:21px;line-height:1.38;letter-spacing:-.01em}
.opts{display:grid;gap:8px;border:0;margin:0;padding:0}
.opt{display:grid;grid-template-columns:28px 1fr;gap:10px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:13px 14px;background:var(--surface);font-size:15px;cursor:pointer}
.opt:hover{border-color:var(--ink-4)}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt .k{width:24px;height:24px;border-radius:50%;border:1px solid var(--line-2);display:grid;place-items:center;font:500 11px/1 var(--mono);color:var(--ink-3)}
.opt.multi .k{border-radius:6px}
.opt:has(input:checked){border-color:var(--ink-2)}
.opt:has(input:checked) .k{background:var(--btn-bg);color:var(--btn-ink);border-color:var(--btn-bg)}
.opt:has(input:focus-visible){outline:2px solid var(--focus);outline-offset:2px}
.q-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--ink-3)}
.rules{list-style:none;margin:0;padding:0;display:grid;gap:0;border-top:1px solid var(--line)}
.rules li{display:grid;grid-template-columns:150px 1fr;gap:14px;padding:11px 0;border-bottom:1px solid var(--line);font-size:15px}
.rules li span:first-child{color:var(--ink-3)}
@media (max-width:560px){.rules li{grid-template-columns:1fr;gap:2px}}
.score{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.score b{font-size:52px;font-weight:300;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1}
.review{display:grid;border-top:1px solid var(--line)}
.review a{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:15px;text-decoration:none}

/* certificate */
.cert{container-type:inline-size;aspect-ratio:297/210;width:100%;position:relative;border-radius:4px;overflow:hidden;background:#FFFFFF;color:#020205;box-shadow:0 1px 2px rgba(0,0,0,.06),0 18px 40px -18px rgba(0,0,0,.28)}
.cert svg.g{position:absolute;inset:0;width:100%;height:100%}
.cert .in{position:absolute;inset:6.2cqw 7cqw 5cqw;display:grid;grid-template-rows:auto 1fr auto auto}
.cert .row1{display:flex;justify-content:space-between;align-items:flex-start}
.cert .wm{display:flex;align-items:center;gap:1.2cqw;font:500 1.35cqw/1 var(--mono);letter-spacing:.22em;text-transform:uppercase}
.cert .wm svg{width:3cqw;height:3cqw}
.cert .wm svg line{stroke:#020205}.cert .wm svg circle{fill:#020205}
.cert .kind{text-align:right;font:500 1.3cqw/1.5 var(--mono);letter-spacing:.16em;text-transform:uppercase}
.cert .kind span{display:block;opacity:.55;letter-spacing:.1em}
.cert .mid{align-self:center;display:grid;gap:1.1cqw;padding-top:1cqw}
.cert .lbl{font:400 1.55cqw/1.3 var(--sans);opacity:.62}
.cert .nm{font:300 6.2cqw/1.04 var(--sans);letter-spacing:-.03em;margin-block:.4cqw .6cqw;overflow-wrap:anywhere}
.cert .mt{font:500 2.7cqw/1.2 var(--sans);letter-spacing:-.01em}
.cert .tr{font:400 1.45cqw/1.3 var(--mono);opacity:.6;letter-spacing:.04em}
.cert .cf{display:flex;gap:3.4cqw;border-top:.12cqw solid rgba(2,2,5,.18);padding-top:1.6cqw;margin:1.5cqw 0 0}
.cert .cf div{display:grid;gap:.5cqw}
.cert .cf dt{font:500 1cqw/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;opacity:.55}
.cert .cf dd{margin:0;font:400 1.6cqw/1.2 var(--sans);font-variant-numeric:tabular-nums}
.cert .bot{display:flex;justify-content:space-between;align-items:flex-end;gap:3cqw;margin-top:2cqw}
.cert .cid{font:400 1.2cqw/1.6 var(--mono);opacity:.85}
.cert .cid b{font-weight:500;font-size:1.5cqw;letter-spacing:.06em}
.cert .fine{font:400 1cqw/1.4 var(--sans);opacity:.5;max-width:60cqw;margin-top:1.2cqw}
.cert .qr{width:10.5cqw;height:10.5cqw;flex:none}
.cert .qr svg{width:100%;height:100%;display:block}
.cert.revoked::after{content:"Revoked";position:absolute;inset:auto 0 44% 0;text-align:center;font:600 9cqw/1 var(--sans);color:rgba(180,35,42,.28);transform:rotate(-12deg);letter-spacing:.04em}
.verify{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;padding-top:40px;align-items:start}
@media (max-width:900px){.verify{grid-template-columns:1fr}}
.kv{display:grid;grid-template-columns:120px 1fr;border-top:1px solid var(--line)}
.kv dt,.kv dd{padding:10px 0;border-bottom:1px solid var(--line);margin:0;font-size:14px}
.kv dt{color:var(--ink-3)}
.copyrow{display:flex;gap:8px;align-items:center;justify-content:space-between;font-size:13px;border-bottom:1px solid var(--line);padding:8px 0}
.copyrow span{overflow-wrap:anywhere}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--btn-bg);color:var(--btn-ink);padding:10px 16px;border-radius:9px;font-size:14px;z-index:60}

@media print{
  @page{size:A4 landscape;margin:0}
  body{background:#fff}
  body>*:not(main),.no-print,.verify>aside{display:none!important}
  main,.wrap,.verify{display:block;padding:0;margin:0;max-width:none}
  .cert{box-shadow:none;border-radius:0;width:297mm;height:210mm;aspect-ratio:auto}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}