/* Writeroom public website (2026-10-27 redesign).
   White pages and near-black bands, Inter set large and tight, real screens on a quiet grey stage.
   One accent colour (Writeroom blue) for links, focus and marks; buttons are ink. Status colours only for status. */
@font-face{font-family:'Inter';font-style:normal;font-weight:100 900;font-display:swap;src:url(/assets/inter-latin.c940764593.woff2) format('woff2');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}
:root{
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --bg:#fff; --paper:#f3f2ef; --paper-2:#e9e7e2; --line:#e3e1dc; --line-2:#cfccc5; --field:#8a857c;
  --ink:#16191d; --ink-2:#40454c; --ink-3:#5b626b;
  --night:#111316; --night-2:#1c1f24; --night-line:#2e333a; --night-ink:#f4f5f6; --night-ink-2:#b6bcc5;
  --accent:#1f4ed8; --accent-ink:#1a40b4; --accent-2:#e8eeff; --accent-night:#9db6ff;
  --bad:#b93434; --bad-2:#fde7e7;
  --r:8px; --r-2:14px; --max:1200px; --gutter:clamp(16px,4vw,40px);
  --band:clamp(72px,10vw,136px);
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:18px;line-height:1.6;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-feature-settings:'cv11','ss01'}
img,video,svg{display:block;max-width:100%}
img,video{height:auto}
a{color:var(--accent-ink);text-underline-offset:.2em;text-decoration-thickness:1px}
a:hover{color:var(--accent);text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4{margin:0 0 .5em;font-weight:700;letter-spacing:-.025em;line-height:1.1;text-wrap:balance}
h1{font-size:clamp(2.6rem,1.5rem + 4.6vw,5.4rem);letter-spacing:-.045em;line-height:.98}
h2{font-size:clamp(2rem,1.35rem + 2.5vw,3.4rem);letter-spacing:-.038em;line-height:1.02}
h3{font-size:1.2rem;letter-spacing:-.015em;font-weight:650}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;z-index:20;background:var(--ink);color:#fff;padding:10px 14px;border-radius:8px;font-weight:600;text-decoration:none}
.skip:focus{top:12px;color:#fff}
.lead{font-size:clamp(1.12rem,1rem + .45vw,1.3rem);line-height:1.5;color:var(--ink-2);max-width:34em}
.eyebrow{display:block;color:var(--ink-3);font-size:15px;font-weight:500;margin-bottom:16px}
.fineprint{font-size:14.5px;color:var(--ink-3)}
.label{display:flex;align-items:baseline;gap:12px;font-size:15px;font-weight:600;color:var(--ink);margin:0 0 20px}
.label span{color:var(--accent-ink);font-variant-numeric:tabular-nums;font-weight:600}

/* header */
.site-head{background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px)}
.head-in{display:flex;align-items:center;gap:8px 18px;min-height:68px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700;font-size:1.12rem;letter-spacing:-.02em}
.brand svg{width:28px;height:28px;flex:none}
.brand:hover{color:var(--ink);text-decoration:none}
.login{display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border:1px solid var(--line-2);border-radius:999px;color:var(--ink);font-size:15px;font-weight:550;text-decoration:none}
.login:hover{border-color:var(--ink);color:var(--ink);text-decoration:none}
.nav{margin-left:auto}
.nav ul{list-style:none;display:flex;align-items:center;gap:4px;margin:0;padding:0}
.nav a{display:inline-flex;align-items:center;min-height:40px;padding:0 12px;color:var(--ink-2);text-decoration:none;font-size:15.5px;font-weight:500;border-radius:var(--r)}
.nav a:hover{color:var(--ink);background:var(--paper)}
.nav a[aria-current=page]{color:var(--ink);font-weight:600;box-shadow:inset 0 -2px 0 var(--accent);border-radius:0}
.nav .nav-cta{background:var(--ink);color:#fff;font-weight:600;margin-left:8px;padding:0 16px}
.nav .nav-cta:hover{background:#000;color:#fff}
.nav .nav-cta[aria-current=page]{box-shadow:none;border-radius:var(--r);background:var(--ink);color:#fff}

/* buttons and links */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 24px;border-radius:var(--r);font:inherit;font-size:16.5px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background-color .15s,border-color .15s,color .15s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:#000;color:#fff}
.btn-secondary{background:#fff;border-color:var(--line-2);color:var(--ink)}
.btn-secondary:hover{border-color:var(--ink);color:var(--ink)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--accent-2);color:var(--ink)}
.btn[disabled]{opacity:.6;cursor:default}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 28px;margin-top:32px}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--ink);text-decoration:none;min-height:44px}
.arrow-link svg{width:18px;height:18px;transition:transform .15s}
.arrow-link:hover{color:var(--accent-ink);text-decoration:none}
.arrow-link:hover svg{transform:translateX(3px)}
.arrow-link.light{color:#fff}
.arrow-link.light:hover{color:var(--accent-night)}

/* screenshots */
.shot{margin:0}
.shot-frame{background:var(--paper);border-radius:var(--r-2);padding:clamp(10px,2.4vw,28px)}
.shot-frame img{width:100%;border-radius:8px;border:1px solid var(--line);background:#fff}
.shot figcaption,.hero-shot figcaption{margin-top:14px;font-size:14.5px;color:var(--ink-3);max-width:44em}
.tint .shot-frame{background:#fff}

/* hero */
.hero{padding:clamp(48px,9vw,120px) 0 0}
.hero-grid{display:grid;gap:28px 64px;align-items:end}
.hero h1{margin:0;max-width:9.5em}
.hero .lead{margin:0}
.hero .actions{margin-top:28px}
@media (min-width:980px){.hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}.hero-side{padding-bottom:6px}}
.hero-shot{margin:clamp(40px,6vw,72px) 0 0}
.stage{background:var(--paper);border-radius:18px;padding:clamp(12px,4vw,56px) clamp(12px,4vw,56px) 0;overflow:hidden}
.stage-img{width:100%;border:1px solid var(--line);border-bottom:0;border-radius:10px 10px 0 0;background:#fff}
@media (min-width:700px){.stage-img{aspect-ratio:1600/820;object-fit:cover;object-position:top left}}
@media (max-width:699px){.stage{padding-bottom:12px}.stage-img{border-bottom:1px solid var(--line);border-radius:8px}}

/* the film band */
.film-band{background:var(--night);color:var(--night-ink);padding:var(--band) 0;margin-top:var(--band)}
.band-head{display:grid;gap:12px 64px;align-items:end;margin-bottom:clamp(32px,5vw,56px)}
.band-head h2{color:#fff;margin:0;max-width:11em}
.band-head p{color:var(--night-ink-2);margin:0;max-width:30em;font-size:clamp(1.02rem,.95rem + .3vw,1.15rem)}
@media (min-width:980px){.band-head{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}}
.film{margin:0}
.film-frame{position:relative;border-radius:var(--r-2);overflow:hidden;background:#000;aspect-ratio:16/9;border:1px solid var(--night-line)}
.film-frame video{width:100%;height:100%;object-fit:cover;background:#000}
.play{position:absolute;left:clamp(14px,3vw,32px);bottom:clamp(14px,3vw,32px);display:inline-flex;align-items:center;gap:12px;padding:10px 20px 10px 10px;border-radius:999px;border:0;background:#fff;color:var(--ink);font:inherit;font-weight:600;font-size:16px;cursor:pointer;box-shadow:0 8px 28px rgba(0,0,0,.35)}
.play:hover{background:var(--accent-2)}
.play .disc{width:40px;height:40px;border-radius:50%;background:var(--accent);display:inline-flex;align-items:center;justify-content:center;flex:none}
.play .disc svg{width:16px;height:16px;margin-left:3px}
.play .len{color:var(--ink-3);font-weight:500;font-variant-numeric:tabular-nums}
@media (max-width:479px){.play{padding:6px 14px 6px 6px;font-size:14.5px;gap:8px}.play .disc{width:30px;height:30px}.play .disc svg{width:13px;height:13px}}
.film figcaption{margin-top:16px;color:var(--night-ink-2);font-size:15px}
.film details{margin-top:6px}
.film details>summary{color:#fff}
.film details>summary:hover{color:var(--accent-night)}
.film .describe{background:var(--night-2);border-color:var(--night-line);color:var(--night-ink-2)}
.film .describe .t{color:#8e96a1}

/* disclosure */
details>summary{cursor:pointer;color:var(--accent-ink);font-weight:600;padding:6px 0;width:max-content;max-width:100%}
details>summary:hover{color:var(--accent)}
.describe{margin-top:12px;padding:20px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r);color:var(--ink-2);font-size:15.5px;max-width:860px}
.describe ol{margin:0;padding-left:1.4em}
.describe li{margin:.45em 0}
.describe .t{font-variant-numeric:tabular-nums;color:var(--ink-3);margin-right:.5em}

/* feature sections */
.feature{padding:var(--band) 0}
.feature.tint{background:var(--paper)}
.feature-head{max-width:860px}
.feature-head h2{margin:0}
.specimen{margin:clamp(28px,4vw,48px) 0 clamp(40px,6vw,72px);padding:0 0 0 clamp(18px,2.4vw,32px);border-left:3px solid var(--accent)}
.specimen p{margin:0;font-size:clamp(1.4rem,1rem + 1.9vw,2.4rem);line-height:1.28;letter-spacing:-.022em;font-weight:500;color:var(--ink);text-wrap:pretty;max-width:25em}
.specimen strong{font-weight:700}
.feature-split{display:grid;gap:28px 64px;align-items:start}
.feature-text{color:var(--ink-2);margin:0;max-width:30em}
@media (min-width:900px){.feature-split{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}}
.feature-row{display:grid;gap:36px 72px;align-items:center}
.feature-copy p{color:var(--ink-2);max-width:28em}
.feature-copy h2{max-width:11em}
@media (min-width:900px){
  .feature-row{grid-template-columns:minmax(0,8fr) minmax(0,4fr)}
  .feature-row.flip{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
}
@media (max-width:899px){.feature-row .feature-copy{order:-1}}

/* Google Classroom */
.classroom{padding:0 0 var(--band)}
.split{display:grid;gap:40px 72px;align-items:start;border-top:1px solid var(--line);padding-top:clamp(56px,8vw,96px)}
.split-head p{color:var(--ink-2);max-width:26em}
@media (min-width:900px){.split{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}.split-head{position:sticky;top:100px}}
.numbered{list-style:none;margin:0;padding:0;counter-reset:n}
.numbered li{counter-increment:n;display:grid;grid-template-columns:72px minmax(0,1fr);padding:28px 0;border-top:1px solid var(--line)}
.numbered li:last-child{border-bottom:1px solid var(--line)}
.numbered li::before{content:counter(n);grid-row:span 2;font-size:2.4rem;font-weight:700;letter-spacing:-.04em;line-height:1;color:var(--accent)}
.numbered h3{font-size:1.35rem;margin:0 0 .35em}
.numbered p{margin:0;color:var(--ink-2)}

/* trust */
.trust{background:var(--paper);padding:var(--band) 0}
.trust-grid{display:grid;gap:48px 80px;align-items:start}
@media (min-width:900px){.trust-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}}
.trust h2{max-width:11em}
.commitments{margin:clamp(28px,4vw,44px) 0 0;display:grid;gap:0 40px}
@media (min-width:640px){.commitments{grid-template-columns:1fr 1fr}}
.commitments div{border-top:1px solid var(--line-2);padding:20px 0 24px}
.commitments dt{font-weight:650;font-size:1.12rem;letter-spacing:-.01em;margin-bottom:6px}
.commitments dd{margin:0;color:var(--ink-2);font-size:16.5px}
.doc-links{list-style:none;display:flex;flex-wrap:wrap;gap:8px 28px;margin:20px 0 0;padding:0;font-weight:550}
.shot.portrait .shot-frame{background:#fff;max-width:440px}
.shot.portrait img{border-radius:10px}

/* call to action band */
.cta-band{background:var(--night);color:var(--night-ink);padding:var(--band) 0}
.cta-band .wrap{display:grid;gap:28px 72px;align-items:end}
.cta-band h2{color:#fff;margin:0;font-size:clamp(2.3rem,1.4rem + 3.6vw,4.4rem);max-width:9em}
.cta-side p{color:var(--night-ink-2);margin:0;max-width:30em}
.cta-side .actions{margin-top:24px}
.cta-band a:not(.btn):not(.arrow-link){color:#fff}
@media (min-width:980px){.cta-band .wrap{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}}

/* page heads (inner pages) */
.page-head{padding:clamp(48px,8vw,104px) 0 clamp(32px,5vw,64px)}
.head-grid{display:grid;gap:24px 64px;align-items:end}
.head-grid h1{margin:0;max-width:11em;font-size:clamp(2.4rem,1.5rem + 3.4vw,4.4rem);letter-spacing:-.04em;line-height:1}
.head-grid .lead{margin:0}
@media (min-width:980px){.head-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}}

/* How it works */
.walk-section{padding:0 0 var(--band)}
.walk{list-style:none;margin:0;padding:0;display:grid}
.walk>li{display:grid;gap:28px 64px;align-items:start;padding:clamp(48px,7vw,88px) 0;border-top:1px solid var(--line)}
.walk .num{display:block;font-size:15px;font-weight:600;color:var(--accent-ink);font-variant-numeric:tabular-nums;margin-bottom:16px}
.walk h2{font-size:clamp(1.6rem,1.2rem + 1.6vw,2.4rem);letter-spacing:-.03em;max-width:12em}
.walk p{color:var(--ink-2)}
@media (min-width:960px){
  .walk>li{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
  .walk>li>.text{position:sticky;top:110px}
  .walk>li.no-img>.text{grid-column:1 / -1;max-width:760px;position:static}
}

/* About */
.about{padding:clamp(48px,8vw,104px) 0 var(--band)}
.about-head{max-width:980px}
.about-head h1{font-size:clamp(1rem,.95rem + .2vw,1.1rem);letter-spacing:0;line-height:1.4;color:var(--ink-3);font-weight:600;margin:0 0 20px}
.about-line{margin:0 0 28px;font-size:clamp(2.6rem,1.5rem + 4.6vw,5.4rem);letter-spacing:-.045em;line-height:.98;text-wrap:balance}
.about-line strong{font-weight:700}
.about-head>p:not(.about-line){font-size:clamp(1.12rem,1rem + .45vw,1.3rem);line-height:1.5;color:var(--ink-2);max-width:34em}
.about-shot{margin:clamp(40px,6vw,72px) 0 clamp(24px,4vw,40px)}
.about-sec{display:grid;gap:12px 64px;padding:clamp(36px,5vw,56px) 0;border-top:1px solid var(--line)}
.about-sec h2{font-size:clamp(1.6rem,1.25rem + 1.4vw,2.3rem);letter-spacing:-.03em;margin:0}
.about-body{max-width:40em;color:var(--ink-2)}
.about-body p:last-child,.about-body ul:last-child{margin-bottom:0}
.about-body ul{list-style:none;margin:0;padding:0}
.about-body li{padding:0 0 18px;margin:0 0 18px;border-bottom:1px solid var(--line)}
.about-body li:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.about-body strong{color:var(--ink);font-weight:650}
@media (min-width:900px){.about-sec{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}}

/* prose: legal documents, statements */
.prose{font-size:17px;line-height:1.72;max-width:720px}
.prose>h1:first-child{margin-top:0}
.prose h1{font-size:clamp(2.1rem,1.5rem + 2.4vw,3.2rem);letter-spacing:-.035em;line-height:1.05;margin-bottom:.7em}
.prose h2{font-size:1.5rem;letter-spacing:-.02em;margin:2.2em 0 .6em;padding-top:1.2em;border-top:1px solid var(--line);scroll-margin-top:96px}
.prose h3{font-size:1.15rem;margin:1.8em 0 .5em;scroll-margin-top:96px}
.prose h4{font-size:1rem;margin:1.5em 0 .4em}
.prose ul,.prose ol{padding-left:1.4em;margin:0 0 1em}
.prose li{margin:.35em 0}
.prose li>ul,.prose li>ol{margin:.3em 0}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.5em 0}
.prose hr+h2{border-top:0;padding-top:0;margin-top:0}
.prose blockquote{margin:1.2em 0;padding:4px 0 4px 18px;border-left:3px solid var(--line-2);color:var(--ink-2)}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;background:var(--paper);padding:.1em .35em;border-radius:5px}
.prose strong{font-weight:640}
.prose a{word-break:break-word}
.table-wrap{overflow-x:auto;margin:1.2em 0 1.6em;border:1px solid var(--line);border-radius:var(--r)}
.prose table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.5}
.prose th,.prose td{text-align:left;vertical-align:top;padding:11px 14px;border-bottom:1px solid var(--line);min-width:9em}
.prose th{background:var(--paper);font-weight:600}
.prose tr:last-child td{border-bottom:0}
.wrap>.prose.page-head{padding-bottom:var(--band)}
.doc-top{padding-top:clamp(36px,6vw,72px)}
.crumbs{margin:0 0 28px;font-size:15px;font-weight:550}
.crumbs a{color:var(--ink-3);text-decoration:none}
.crumbs a::before{content:'\2190';margin-right:8px}
.crumbs a:hover{color:var(--accent-ink)}
.doc-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;padding-bottom:var(--band)}
.toc-wide{display:none}
@media (min-width:1080px){
  .doc-layout{grid-template-columns:240px minmax(0,720px);gap:80px;justify-content:start}
  .toc-wide{display:block;position:sticky;top:100px;align-self:start;max-height:calc(100vh - 124px);overflow:auto}
  .toc-narrow{display:none}
}
.toc{font-size:14.5px}
.toc h2{font-size:14px;color:var(--ink);margin:0 0 12px;font-weight:650;letter-spacing:0}
.toc ol{list-style:none;margin:0;padding:0}
.toc a{display:block;padding:6px 0;color:var(--ink-3);text-decoration:none;line-height:1.4;border-top:1px solid var(--line)}
.toc a:hover{color:var(--accent-ink)}
.toc details{border:1px solid var(--line);border-radius:var(--r);padding:10px 16px}
.toc details[open] summary{margin-bottom:8px}
.doc-note{background:var(--accent-2);color:var(--ink);border-radius:var(--r);padding:14px 18px;font-size:15.5px;margin:0 0 32px;max-width:720px}
.doc-meta{color:var(--ink-3);font-size:14.5px;margin-top:3em;padding-top:1.2em;border-top:1px solid var(--line)}

/* legal index */
.section{padding:0 0 clamp(48px,7vw,88px)}
.section h2{font-size:clamp(1.5rem,1.2rem + 1.2vw,2.1rem);letter-spacing:-.03em}
.section.alt>.wrap>p{color:var(--ink-2);max-width:40em}
.doc-list{list-style:none;margin:20px 0 0;padding:0;border-top:1px solid var(--ink)}
.doc-list a{display:grid;gap:4px 40px;padding:20px 40px 20px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);position:relative}
.doc-list a::after{content:'\2192';position:absolute;right:4px;top:20px;color:var(--ink-3);transition:transform .15s}
.doc-list a:hover{background:var(--paper)}
.doc-list a:hover::after{transform:translateX(3px);color:var(--accent-ink)}
.doc-list strong{font-weight:650;font-size:1.08rem}
.doc-list span{color:var(--ink-2);font-size:16px}
@media (min-width:760px){.doc-list a{grid-template-columns:minmax(0,5fr) minmax(0,7fr);padding-left:4px}}

/* contact */
.contact{display:grid;gap:40px;padding-top:clamp(48px,8vw,104px);padding-bottom:var(--band);grid-template-areas:'intro' 'form' 'aside'}
.contact-intro{grid-area:intro}
.contact-intro h1{font-size:clamp(2.3rem,1.5rem + 3vw,3.9rem);letter-spacing:-.04em;line-height:1;max-width:9em}
.contact-intro .lead{margin:0}
.contact .form{grid-area:form}
.contact .aside{grid-area:aside}
@media (min-width:980px){.contact{grid-template-columns:minmax(0,5fr) minmax(0,7fr);grid-template-areas:'intro form' 'aside form';column-gap:80px;row-gap:48px;align-items:start}}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--r-2);padding:clamp(20px,4vw,40px);box-shadow:0 1px 2px rgba(22,25,29,.04),0 12px 40px rgba(22,25,29,.06)}
.row{display:grid;gap:0 20px}
@media (min-width:640px){.row.two{grid-template-columns:1fr 1fr}}
.field{margin:0 0 20px;display:flex;flex-direction:column;gap:6px;min-width:0}
.field label,.field legend{font-size:15px;font-weight:600;color:var(--ink)}
.field .hint{font-size:14px;color:var(--ink-3);margin:-2px 0 2px}
.field .opt{font-weight:400;color:var(--ink-3)}
.field input,.field textarea{font:inherit;font-size:16px;color:var(--ink);background:#fff;border:1px solid var(--field);border-radius:var(--r);padding:11px 12px;min-height:48px;width:100%}
.field textarea{min-height:160px;resize:vertical;line-height:1.5}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-2)}
.field [aria-invalid=true]{border-color:var(--bad)}
.field .err{color:var(--bad);font-size:14.5px;font-weight:500}
.field .err:empty{display:none}
fieldset.field{border:0;padding:0;margin:0 0 24px}
.topics{display:grid;gap:8px;grid-template-columns:repeat(auto-fit,minmax(112px,1fr));margin-top:6px}
.topics label{display:flex;align-items:center;gap:10px;border:1px solid var(--field);border-radius:var(--r);padding:10px 12px;min-height:48px;font-weight:500;cursor:pointer;background:#fff}
.topics label:has(input:checked){border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink);font-weight:600}
.topics input{width:18px;height:18px;margin:0;accent-color:var(--accent)}
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:8px}
.form-foot p{margin:0;font-size:14.5px;color:var(--ink-3);flex:1 1 260px}
.status{border-radius:var(--r);padding:14px 18px;margin:0 0 20px;font-size:16px}
.status:empty{display:none}
.status.ok{background:#e3f4ea;color:#14603a;border:1px solid #b7e0c7}
.status.bad{background:var(--bad-2);color:#8f2525;border:1px solid #f3c2c2}
.status.ok:focus,.status.bad:focus{outline:2px solid currentColor;outline-offset:2px}
.aside h2{font-size:1.05rem;letter-spacing:-.01em;margin-bottom:.4em}
.aside p,.aside li{color:var(--ink-2);font-size:16px}
.aside ul{padding-left:1.1em;margin:0}
.aside li{margin:.3em 0}
.aside section{border-top:1px solid var(--line);padding-top:20px}
.aside section+section{margin-top:24px}

/* footer */
.site-foot{background:var(--paper);padding:clamp(56px,8vw,96px) 0 40px;font-size:15px}
.foot-top{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px 40px;padding-bottom:clamp(40px,6vw,64px);margin-bottom:clamp(40px,6vw,56px);border-bottom:1px solid var(--line-2)}
.foot-line{margin:0;font-size:clamp(1.7rem,1.2rem + 2vw,2.8rem);font-weight:700;letter-spacing:-.035em;line-height:1.05}
.foot-grid{display:grid;gap:32px 40px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.foot-grid h2{font-size:14px;letter-spacing:0;color:var(--ink);margin:0 0 12px;font-weight:650}
.foot-grid ul{list-style:none;margin:0;padding:0}
.foot-grid li{margin:0 0 4px}
.foot-grid a{color:var(--ink-2);text-decoration:none;display:inline-block;padding:3px 0}
.foot-grid a:hover{color:var(--accent-ink);text-decoration:underline}
.foot-brand p{color:var(--ink-3);margin:12px 0 0;max-width:22em}
.foot-brand .foot-name{color:var(--ink);font-weight:650;margin:0}
.foot-base{margin-top:48px;padding-top:20px;border-top:1px solid var(--line-2);color:var(--ink-3);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}

/* 404 and simple pages */
.simple{padding-top:clamp(64px,12vw,160px);padding-bottom:clamp(64px,12vw,160px);max-width:760px}
.simple h1{font-size:clamp(2.2rem,1.4rem + 3.2vw,4rem)}
.simple .lead{margin-bottom:0}
.section.tight-top{padding-top:0}

@media (max-width:719px){
  body{font-size:17px}
  .shot-frame{padding:6px;border-radius:10px}
  .shot-frame img{border-radius:6px}
  .site-head{position:static}
  .head-in{padding-top:12px;padding-bottom:8px;min-height:0}
  .nav{margin-left:0;width:100%;order:3;border-top:1px solid var(--line);padding-top:6px}
  .nav ul{gap:2px}
  .nav a{padding:0 10px;font-size:15px}
  .nav li:first-child a{padding-left:0}
  .nav .nav-cta{margin-left:auto;padding:0 14px}
  .nav li:last-child{margin-left:auto}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}
@media print{
  .site-head,.site-foot,.toc,.skip,.crumbs{display:none}
  body{background:#fff;font-size:12pt}
  .prose{max-width:none}
}