/* Shared styles for the landing page, guides, method and privacy pages.
   The two indicator pages carry their own styles and only reuse the tokens below. */
:root{
  --ink:#1B2733; --paper:#EDEFEC; --card:#F5F6F4; --rule:#C8CCC7;
  --muted:#5D6A72; --faint:#8B9399;
  --org:#E2650F; --me:#0F7A68; --signal:var(--org); --err:#B4321C;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",monospace;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ink:#E4E7E4; --paper:#131A20; --card:#1A2229; --rule:#313B43;
    --muted:#9AA4AA; --faint:#6E787E; --org:#FF8A3D; --me:#3FBFA5; --err:#F07A5E; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --ink:#E4E7E4; --paper:#131A20; --card:#1A2229; --rule:#313B43;
  --muted:#9AA4AA; --faint:#6E787E; --org:#FF8A3D; --me:#3FBFA5; --err:#F07A5E; color-scheme:dark;
}
*,*::before,*::after{box-sizing:inherit}
html{-webkit-text-size-adjust:100%;scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit}
h1,h2,h3,h4{text-wrap:balance;margin:0}
p{margin:0}
img{max-width:100%}
button,.btn{font-family:var(--sans);font-size:15px;font-weight:500;cursor:pointer;padding:11px 22px;border-radius:2px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);text-decoration:none;display:inline-block;line-height:1.3}
button.ghost,.btn.ghost{background:transparent;color:var(--ink)}
button:focus-visible,a:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
.mono{font-family:var(--mono)}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);padding:8px 12px}
.skip:focus{left:16px;top:16px;z-index:20}

.wrap{max-width:880px;margin:0 auto;padding-inline:24px}
/* reading pages span the same frame as every other page; paragraphs keep a 62ch measure */
.narrow{margin:0;padding-inline:0}

/* top navigation */
.topnav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:22px;border-bottom:1px solid var(--rule)}
.brand{font-family:var(--mono);font-size:13px;letter-spacing:.04em;text-decoration:none;display:flex;align-items:center;gap:10px;color:var(--ink)}
.brand i{display:inline-flex;gap:2px}
.brand i b{width:4px;height:12px;background:var(--rule)}
.brand i b:nth-child(3){background:var(--org)}
.brand i b:nth-child(4){background:var(--me)}
.topnav ul{list-style:none;margin:0;padding:0;display:flex;gap:26px;font-size:14px;flex-wrap:wrap}
.topnav ul a{text-decoration:none;color:var(--muted)}
.topnav ul a:hover{color:var(--ink)}
.topnav ul a[aria-current]{color:var(--ink);font-weight:500;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:7px;text-decoration-color:var(--signal)}
.brand{white-space:nowrap}
.brand:hover{text-decoration:underline;text-underline-offset:4px}
@media (max-width:640px){.topnav{flex-direction:column;align-items:flex-start;gap:12px;padding-block:18px}.topnav ul{gap:16px;font-size:13px}}

.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--faint)}
.lede{font-size:17px;color:var(--muted);max-width:62ch}
.note{font-size:14px;color:var(--muted)}

/* footer */
footer.site{margin-top:88px;border-top:1px solid var(--rule);padding-block:28px 56px;font-size:13px;color:var(--faint)}
footer.site .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
footer.site p{max-width:60ch;margin-bottom:8px}
footer.site ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
footer.site a{text-decoration:none;color:var(--muted)}
footer.site a:hover{color:var(--ink)}
footer.site .h{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px}
@media (max-width:640px){footer.site .cols{grid-template-columns:1fr}}

/* landing */
.hero{padding-block:72px 44px}
.hero h1{font-size:48px;line-height:1.08;font-weight:600;letter-spacing:-.025em;max-width:18ch;margin-bottom:18px}
.hero .eyebrow{margin-bottom:18px}
@media (max-width:760px){.hero{padding-block:48px 36px}.hero h1{font-size:36px}}

.sec{padding-block:56px;border-top:1px solid var(--rule)}
.sec.first{padding-top:0;border-top:0}
.sec h2{font-size:28px;font-weight:600;letter-spacing:-.02em;line-height:1.2;margin-bottom:10px}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:40px;margin-bottom:36px}
.sec-head .eyebrow{margin-bottom:12px}
.sec-head .lede{font-size:16px}
@media (max-width:760px){.sec-head{grid-template-columns:1fr;gap:12px}}

.cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card{background:var(--card);border:1px solid var(--rule);padding:30px 30px 26px;display:flex;flex-direction:column;gap:18px;min-width:0;position:relative}
.card::before{content:"";position:absolute;left:30px;top:0;width:44px;height:3px;background:var(--signal)}
.card.me{--signal:var(--me)}
.card .eyebrow{color:var(--signal)}
.card h2,.card h3{font-size:24px;font-weight:600;letter-spacing:-.015em;line-height:1.2}
.card .who{font-size:15px;color:var(--muted)}
.card dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 18px;font-size:14px;border-top:1px solid var(--rule);padding-top:16px}
.card dt{color:var(--faint);font-family:var(--mono);font-size:12px;padding-top:2px}
.card dd{margin:0}
.card .cta{margin-top:auto;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.card .cta .btn{background:var(--signal);border-color:var(--signal);color:#fff}
.card .cta small{font-size:13px;color:var(--faint)}
@media (max-width:760px){.cards{grid-template-columns:1fr}}

/* guide lists */
.posts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;border-top:1px solid var(--rule)}
.post{padding-top:18px;display:flex;flex-direction:column;gap:10px;min-width:0}
.post .meta{font-family:var(--mono);font-size:12px;color:var(--faint);display:flex;gap:10px;flex-wrap:wrap}
.post .meta .cat{color:var(--org)}
.post .meta .cat.me{color:var(--me)}
.post h3{font-size:18px;font-weight:600;line-height:1.3}
.post h3 a{text-decoration:none}
.post h3 a:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.post p{font-size:15px;color:var(--muted)}
@media (max-width:760px){.posts{grid-template-columns:1fr}}
.sec .all{margin-top:28px;font-size:15px}
.sec .all a{text-decoration:none;border-bottom:1px solid var(--ink)}
.sec-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:14px}
.sec-row h2{font-size:22px;margin:0}
.sec-row a{font-size:15px;text-decoration:none;border-bottom:1px solid var(--ink);white-space:nowrap}

/* guides index */
.page-head{padding-block:56px 36px}
.page-head h1{font-size:40px;font-weight:600;letter-spacing:-.025em;line-height:1.1;margin-bottom:14px}
.page-head .eyebrow{margin-bottom:14px}
@media (max-width:640px){.page-head h1{font-size:32px}}
.blog-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:56px}
.plist{border-top:1px solid var(--rule)}
.plist .post{padding:22px 0;border-bottom:1px solid var(--rule)}
.plist .post h3{font-size:21px}
.aside .box{border:1px solid var(--rule);background:var(--card);padding:22px}
.aside .box h2{font-size:16px;font-weight:600;margin-bottom:8px}
.aside .box p{font-size:14px;color:var(--muted);margin-bottom:14px}
.aside .box .btn{font-size:14px;padding:9px 16px}
.aside .box + .box{margin-top:16px}
.aside .btns{display:flex;gap:8px;flex-wrap:wrap}
@media (max-width:760px){.blog-grid{grid-template-columns:1fr;gap:40px}}

/* article */
.article header{padding-block:56px 32px;border-bottom:1px solid var(--rule)}
.article header .eyebrow a{text-decoration:none}
.article h1{font-size:38px;font-weight:600;letter-spacing:-.025em;line-height:1.12;margin:14px 0 18px;max-width:24ch}
.article .byline{display:flex;gap:18px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;color:var(--faint);margin-top:22px}
.article .standfirst{font-size:18px;color:var(--muted);max-width:60ch}
.article .toc{border-top:1px solid var(--rule);padding:16px 0 0;margin-top:28px;font-size:14px}
.article header:has(.toc){padding-bottom:20px}
.article .toc .h{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);margin-bottom:8px}
.article .toc ol{margin:0;padding-left:18px;display:grid;gap:4px;color:var(--muted);max-width:62ch}
.article .toc a{text-decoration:none}
.article .body{padding-block:36px;display:grid;gap:22px;font-size:17px;line-height:1.65}
.article .body h2{font-size:24px;font-weight:600;letter-spacing:-.015em;margin-top:18px;scroll-margin-top:24px}
.article .body h3{font-size:19px;font-weight:600;margin-top:6px}
.article .body p,.article .body ul,.article .body ol{max-width:62ch}
.article .body ul,.article .body ol{margin:0;padding-left:20px}
.article .body li{margin-bottom:6px}
.article .callout{border-left:2px solid var(--signal);padding:2px 0 2px 18px;font-size:17px;max-width:58ch}
.article .callout.me{border-color:var(--me)}
.article table{border-collapse:collapse;font-size:15px;width:100%}
.article th,.article td{text-align:left;padding:10px 12px 10px 0;border-bottom:1px solid var(--rule);vertical-align:top}
.article th{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--faint);letter-spacing:.03em}
.article .tablewrap{overflow-x:auto}
.cta-card{margin-top:24px;border:1px solid var(--rule);background:var(--card);padding:26px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center}
.cta-card.me{--signal:var(--me)}
.cta-card .eyebrow{color:var(--signal);margin-bottom:8px}
.cta-card h2{font-size:19px;font-weight:600;margin-bottom:6px}
.cta-card p{font-size:14px;color:var(--muted)}
.cta-card .btn{background:var(--signal);border-color:var(--signal);color:#fff}
@media (max-width:640px){.cta-card{grid-template-columns:1fr}.article h1{font-size:30px}}
.related{margin-top:48px;border-top:1px solid var(--rule);padding-top:24px}
.related .h{font-family:var(--mono);font-size:12px;letter-spacing:.03em;color:var(--faint);margin-bottom:16px}
.related ul{list-style:none;margin:0;padding:0;display:grid;gap:12px;font-size:16px}
.related a{text-decoration:none}
.related small{display:block;font-family:var(--mono);font-size:12px;color:var(--faint);margin-top:2px}

/* plain text pages (method, privacy) */
.prose{padding-block:36px;display:grid;gap:20px;font-size:17px;line-height:1.65}
.prose h2{font-size:24px;font-weight:600;letter-spacing:-.015em;margin-top:18px}
.prose p,.prose ul,.prose ol{max-width:62ch}
.prose ul,.prose ol{margin:0;padding-left:20px}
.prose li{margin-bottom:6px}
.prose .tablewrap{overflow-x:auto}
.prose table{border-collapse:collapse;font-size:15px;width:100%}
.prose th,.prose td{text-align:left;padding:10px 12px 10px 0;border-bottom:1px solid var(--rule);vertical-align:top}
.prose th{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--faint);letter-spacing:.03em}

@media print{
  body{background:#fff;color:#000}
  .topnav,footer.site,.cta-card,.related,.aside{display:none!important}
}