/* Auth Your Agent — public site (landing, docs, legal).
   Palette comes from the app icon: blue #1f6feb shield on near-black.
   Light theme for reading (docs are long-form); dark follows the OS. */
:root{
  --bg:#f7f8fa; --panel:#ffffff; --ink:#1b2430; --dim:#5b6776; --line:#dfe4ea;
  --acc:#1a63d6; --acc-ink:#ffffff; --code:#eef1f5; --ok:#1a7f37; --warn:#9a6700;
  --r:10px;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#0d1117; --panel:#161b22; --ink:#e6edf3; --dim:#9aa5b1; --line:#2d3644;
    --acc:#4d94ff; --acc-ink:#0d1117; --code:#1c2330; --ok:#3fb950; --warn:#d29922; }
}
*{box-sizing:border-box}
html{scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--acc)}
a:focus-visible,button:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:9;background:var(--panel);padding:8px 12px}

/* header */
.top{position:sticky;top:0;z-index:5;background:var(--bg);border-bottom:1px solid var(--line)}
.top .in{max-width:1080px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:9px;color:var(--ink);text-decoration:none;font-weight:700}
.brand img{width:28px;height:28px;border-radius:7px}
.top nav{display:flex;gap:18px;margin-left:auto;align-items:center;flex-wrap:nowrap}
.brand span{white-space:nowrap}
.top nav a{color:var(--dim);text-decoration:none;font-size:15px}
.top nav a:hover,.top nav a[aria-current=page]{color:var(--ink)}
.btn{display:inline-block;white-space:nowrap;background:var(--acc);color:var(--acc-ink)!important;text-decoration:none;
  border-radius:var(--r);padding:9px 16px;font-weight:600;font-size:15px;border:1px solid var(--acc)}
.btn.ghost{background:transparent;color:var(--ink)!important;border-color:var(--line)}
@media (max-width:640px){ .top nav a.hide-s{display:none} .top nav{gap:12px}
  .top .in{gap:10px;padding:10px 14px} .brand{font-size:15px} .btn{padding:8px 12px;font-size:14px} }
@media (max-width:480px){ .top nav a.dev{display:none} }
@media (max-width:350px){ .brand span{display:none} }

/* landing */
.hero{max-width:1080px;margin:0 auto;padding:64px 20px 40px;display:grid;
  grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(30px,5vw,46px);line-height:1.12;margin:0 0 14px;letter-spacing:-.01em}
.hero p.lead{font-size:18px;color:var(--dim);margin:0 0 24px;max-width:36em}
.hero .actions{display:flex;gap:10px;flex-wrap:wrap}
.hero .note{font-size:13px;color:var(--dim);margin-top:14px}
@media (max-width:820px){ .hero{grid-template-columns:1fr;padding-top:36px} }

/* the approval card mock mirrors the real in-app card (same fields) */
.phone{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px;
  max-width:360px;justify-self:center;width:100%}
.phone .lbl{font-size:12px;color:var(--dim);margin-bottom:10px}
.phone .card{border:1px solid var(--line);border-radius:12px;padding:14px}
.phone .card b{display:block;margin-bottom:4px}
.phone .card .meta{font-size:13px;color:var(--dim)}
.phone .scopes{margin:10px 0}
.phone .scopes span{display:inline-block;font-size:12px;border:1px solid var(--line);
  border-radius:6px;padding:2px 8px;margin:0 4px 4px 0}
.phone .row{display:flex;gap:8px;margin-top:8px}
.phone .row span{flex:1;text-align:center;border-radius:9px;padding:8px;font-size:14px;border:1px solid var(--line);white-space:nowrap}
.phone .row span.yes{flex:1.6}
.phone .row span.yes{background:var(--acc);color:var(--acc-ink);border-color:var(--acc)}

section.band{border-top:1px solid var(--line)}
section.band .in{max-width:1080px;margin:0 auto;padding:48px 20px}
section.band h2{font-size:26px;margin:0 0 8px}
section.band p.sub{color:var(--dim);margin:0 0 26px;max-width:44em}

.problem{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.problem h3{margin:0 0 6px;font-size:17px}
.problem ul{margin:0;padding-left:20px;color:var(--dim)}
.problem ul li{margin:4px 0}
@media (max-width:720px){ .problem{grid-template-columns:1fr} }

ol.flow{list-style:none;counter-reset:f;margin:0;padding:0;display:grid;gap:14px}
ol.flow li{counter-increment:f;display:grid;grid-template-columns:40px 1fr;gap:12px;align-items:start}
ol.flow li:before{content:counter(f);width:32px;height:32px;border-radius:50%;
  border:1.5px solid var(--acc);color:var(--acc);display:grid;place-items:center;font-weight:700}
ol.flow li b{display:block}
ol.flow li span{color:var(--dim)}

.who{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.who > div{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:18px;display:flex;flex-direction:column}
.who > div p:last-child{margin:auto 0 0;padding-top:12px}
.who h3{margin:0 0 8px;font-size:17px}
.who ul{margin:0;padding-left:18px;color:var(--dim);font-size:15px}
.who a{font-size:15px}
@media (max-width:1000px){ .who{grid-template-columns:1fr 1fr} }
@media (max-width:560px){ .who{grid-template-columns:1fr} }
/* how-it-works story */
.story-hero h1{margin:.2em 0 .3em;font-size:clamp(28px,5vw,40px);line-height:1.15}
.story-hero .lead{max-width:62ch}
.kicker{margin:0;color:var(--acc);font-weight:600;letter-spacing:.04em;text-transform:uppercase;font-size:13px}
.storynav{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.storynav a{padding:6px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-size:14px}
ul.plain{padding-left:1.2em} ul.plain li{margin:.35em 0}
ol.story{list-style:none;margin:18px 0 0;padding:0;border-left:2px solid var(--dim)}
ol.story li{position:relative;display:grid;grid-template-columns:150px 1fr;gap:14px;padding:0 0 18px 18px}
ol.story li::before{content:"";position:absolute;left:-7px;top:5px;width:12px;height:12px;border-radius:50%;background:var(--acc)}
ol.story .t{color:var(--dim);font-size:14px;padding-top:2px;white-space:nowrap}
ol.story b{display:block;margin-bottom:2px}
.band .note{color:var(--dim);margin-top:4px}
@media (max-width:560px){ ol.story li{grid-template-columns:1fr;gap:2px} }
[id]{scroll-margin-top:72px}

dl.facts{display:grid;grid-template-columns:220px 1fr;gap:10px 22px;margin:0}
dl.facts dt{font-weight:600}
dl.facts dd{margin:0;color:var(--dim)}
@media (max-width:640px){ dl.facts{grid-template-columns:1fr} dl.facts dd{margin-bottom:8px} }

.status{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;color:var(--dim)}
.status b{color:var(--ink)}

/* docs / legal article layout */
.doc{max-width:1080px;margin:0 auto;padding:28px 20px 60px;display:grid;
  grid-template-columns:230px minmax(0,1fr);gap:40px}
.doc aside{position:sticky;top:72px;align-self:start;font-size:14.5px}
.doc aside details > summary{display:none}
.doc aside h4{margin:18px 0 6px;font-size:12px;color:var(--dim);font-weight:600;letter-spacing:.03em}
.doc aside h4:first-child{margin-top:0}
.doc aside a{display:block;color:var(--ink);text-decoration:none;padding:4px 0}
.doc aside a[aria-current=page]{color:var(--acc);font-weight:600}
.doc article{min-width:0;max-width:760px}
@media (max-width:860px){ .doc{grid-template-columns:1fr;gap:18px;padding-top:16px} .doc aside{position:static;
  border:1px solid var(--line);border-radius:var(--r);padding:0 14px;background:var(--panel)}
  .doc aside details > summary{display:block;cursor:pointer;padding:11px 0;font-weight:600;list-style:none}
  .doc aside details > summary::-webkit-details-marker{display:none}
  .doc aside details > summary:after{content:"+";float:right;color:var(--dim)}
  .doc aside details[open] > summary:after{content:"\2212"}
  .doc aside details[open]{padding-bottom:10px} }
article h1{font-size:30px;line-height:1.2;margin:0 0 10px}
article h2{font-size:21px;margin:34px 0 8px;padding-top:4px}
article h3{font-size:17px;margin:24px 0 6px}
article p,article li{max-width:44em}
article code{background:var(--code);border-radius:5px;padding:1px 5px;font-size:.9em;overflow-wrap:anywhere;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
article pre{background:var(--code);border:1px solid var(--line);border-radius:var(--r);
  padding:14px;overflow:auto;font-size:13.5px;line-height:1.5}
article pre code{background:none;padding:0;overflow-wrap:normal}
article table{border-collapse:collapse;width:100%;margin:14px 0;font-size:14.5px;display:block;overflow-x:auto}
article th,article td{border:1px solid var(--line);padding:7px 10px;text-align:left;vertical-align:top}
article th{background:var(--code)}
article blockquote{margin:14px 0;padding:10px 16px;border:1px solid var(--line);
  border-radius:var(--r);background:var(--panel);color:var(--dim)}
article .headerlink{visibility:hidden;text-decoration:none;margin-left:6px;color:var(--dim)}
article h2:hover .headerlink,article h3:hover .headerlink{visibility:visible}
article h1,article h2,article h3{overflow-wrap:anywhere}
.pager{display:flex;justify-content:space-between;gap:12px;margin-top:40px;
  border-top:1px solid var(--line);padding-top:16px;font-size:15px}

/* footer */
footer.site{border-top:1px solid var(--line);color:var(--dim);font-size:14px}
footer.site .in{max-width:1080px;margin:0 auto;padding:26px 20px;display:flex;
  flex-wrap:wrap;gap:10px 22px;align-items:center}
footer.site a{color:var(--dim)}
footer.site .sp{margin-left:auto}
footer.site .name{color:var(--ink);font-weight:600}

/* sequence diagram (how an approval works) */
.seq{margin:26px 0 4px;overflow-x:auto}
.seq svg{display:block;min-width:620px;width:100%;height:auto}
.seq text{font:13px system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;fill:var(--ink)}
.seq .lane{stroke:var(--line);stroke-width:1.5;stroke-dasharray:4 4}
.seq .head rect{fill:var(--panel);stroke:var(--line)}
.seq .head text{font-weight:600;text-anchor:middle}
.seq .msg{stroke:var(--dim);stroke-width:1.5;fill:none;marker-end:url(#arr)}
.seq .msg.key{stroke:var(--acc)}
.seq .lbl{fill:var(--dim);font-size:12.5px;paint-order:stroke;stroke:var(--bg);stroke-width:6px;stroke-linejoin:round}
.seq .lbl.key{fill:var(--acc);font-weight:600}
.seq #arr path{fill:var(--dim)}
.seq #arrk path{fill:var(--acc)}