@import url("tokens.css?v=3");

/* Self-hosted fonts. No request leaves the visitor's browser for a third party.
   Files in assets/fonts/, latin subset, from Google Fonts under the SIL Open Font License. */
@font-face{font-family:Poppins;font-style:normal;font-weight:300;font-display:swap;src:url("assets/fonts/poppins-300.woff2") format("woff2")}
@font-face{font-family:Poppins;font-style:normal;font-weight:400;font-display:swap;src:url("assets/fonts/poppins-400.woff2") format("woff2")}
@font-face{font-family:Poppins;font-style:normal;font-weight:500;font-display:swap;src:url("assets/fonts/poppins-500.woff2") format("woff2")}
@font-face{font-family:Poppins;font-style:normal;font-weight:600;font-display:swap;src:url("assets/fonts/poppins-600.woff2") format("woff2")}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:100 800;font-display:swap;src:url("assets/fonts/jetbrains-mono-var.woff2") format("woff2")}


/* ---------------------------------------------------------------------------
   Bailment / Bailee — shared stylesheet
   Dark canvas, glass panels, hairline borders, radial halos, pill chips.
   Colours and fonts come from tokens.css. Do not redefine them here.
--------------------------------------------------------------------------- */

*,*::before,*::after{box-sizing:border-box}

/* :root, not html, on purpose. app/config.js appends a <style data-bailee-theme>
   block LAST in the head, and it used to carry `html{font-size:calc(100% * ...)}`
   and `body{font-size:calc(16px * ...)}` — which dragged the page back to a 16px
   root and a 16px body, exactly the "smaller and harder to read" Kevin reported.
   Two fixes, belt and braces: config.js now repeats these authored numbers
   (106.25% and 1.06rem) instead of 16px, AND a (0,1,0) `:root` with a (0,0,2)
   `html body` outranks that block's (0,0,1) selectors whatever the source order.
   Both still read --font-scale, so an administrator's scale hook keeps working on
   top of 17px. If these numbers move, move the pair in app/config.js with them. */
:root{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  /* UI pass v4: root is 106.25% of the reader's default (17px), so browser font
     settings still win. Every rem below is 17px-based. */
  font-size:calc(106.25% * var(--font-scale,1));
}

html body{
  margin:0;
  background:var(--canvas);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:1.06rem;   /* ~18px, and stays 18px under the theme block */
  line-height:1.62;
  font-weight:300;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* Page-wide ambient grid + halo, drawn behind everything. */
body::before{
  content:"";
  position:fixed; inset:0; z-index:-2;
  background-image:
    linear-gradient(to right,  var(--border-hairline) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-hairline) 1px, transparent 1px);
  background-size:72px 72px;
  opacity:.34;
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 78%);
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 78%);
  pointer-events:none;
}
body::after{
  content:"";
  position:fixed; inset:0; z-index:-1;
  background:
    radial-gradient(760px 420px at 12% -6%,  var(--fx-halo-a), transparent 70%),
    radial-gradient(680px 420px at 92% 4%,   var(--fx-halo-b), transparent 72%);
  pointer-events:none;
}

img,svg{max-width:100%}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hover)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{
  outline:2px solid var(--accent); outline-offset:3px; border-radius:6px;
}

/* --- Type ---------------------------------------------------------------- */

h1,h2,h3,h4{
  font-family:var(--font-heading);
  font-weight:500;
  line-height:1.12;
  letter-spacing:-.022em;
  margin:0 0 .5em;
  color:var(--ink);
}
h1{font-size:clamp(2.1rem,6.4vw,4.1rem);font-weight:600;letter-spacing:-.032em}
h2{font-size:clamp(1.55rem,3.6vw,2.5rem);letter-spacing:-.026em}
h3{font-size:clamp(1.16rem,1.8vw,1.42rem);font-weight:500}
h4{font-size:1.06rem;font-weight:500}
p{margin:0 0 .92em}
p:last-child{margin-bottom:0}
strong{font-weight:500;color:var(--ink)}
small{font-size:.95rem}

.lead{
  font-size:clamp(1.14rem,2vw,1.42rem);
  line-height:1.56;
  color:var(--fg-muted);
  font-weight:300;
  max-width:62ch;
}
.muted{color:var(--fg-muted)}
.mono{font-family:var(--font-mono);font-size:.95em;letter-spacing:-.01em}
.hash{
  font-family:var(--font-mono);
  font-size:.95rem;
  line-height:1.55;
  color:var(--brand-200);
  word-break:break-all;
  letter-spacing:-.02em;
}
.accent{color:var(--accent)}

.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:.95rem;
  font-weight:500;
  letter-spacing:.18em;
  line-height:1.45;
  text-transform:uppercase;
  color:var(--accent);
  margin:0 0 .7rem;
}
.eyebrow.dim{color:var(--fg-muted)}

/* --- Layout -------------------------------------------------------------- */

.wrap{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:clamp(18px,4vw,32px);
}
.section{padding-block:clamp(34px,4.2vw,60px);position:relative}
.section.tight{padding-block:clamp(24px,2.8vw,40px)}
.section + .section{border-top:1px solid var(--border-hairline)}
.section-head{max-width:70ch;margin-bottom:clamp(14px,2vw,24px)}
.section-head p{color:var(--fg-muted)}

.grid{display:grid;gap:18px}
@media(min-width:640px){
  .grid.cols-2{grid-template-columns:repeat(2,1fr)}
  .grid.cols-3{grid-template-columns:repeat(2,1fr)}
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:960px){
  .grid.cols-3{grid-template-columns:repeat(3,1fr)}
  .grid.cols-4{grid-template-columns:repeat(4,1fr)}
  .grid.split{grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,56px);align-items:center}
}
.stack > * + *{margin-top:clamp(12px,1.6vw,18px)}

/* --- Nav ----------------------------------------------------------------- */

.nav{
  position:sticky; top:0; z-index:50;
  background:color-mix(in srgb, var(--canvas) 86%, transparent);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-hairline);
}
/* UI pass v3 — the row must never drop a link.
   Wide (>=1160px): brand + all seven links on one line.
   Narrower: the links take their own full-width line and become a single
   NO-WRAP horizontal strip that scrolls. Nothing wraps below the fold and
   all seven labels stay reachable at 360 / 768 / 1280 and at 1440@150%. */
.nav-inner{
  display:flex; align-items:center; gap:12px;
  min-height:60px;
  flex-wrap:wrap;
  padding-block:8px;
}
.nav-inner > nav{order:3;flex:1 1 100%;min-width:0}
@media(min-width:1160px){
  .nav-inner > nav{order:0;flex:0 1 auto;margin-left:auto}
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto}
.brand:hover{color:var(--ink)}
.brand svg{display:block;width:28px;height:28px;flex:0 0 auto}
.brand-name{font-weight:500;font-size:1.06rem;letter-spacing:-.02em;white-space:nowrap}
.brand-name span{color:var(--fg-muted);font-weight:300}

.nav-links{
  display:flex; align-items:center; gap:3px;
  flex-wrap:nowrap;
  overflow-x:auto; overflow-y:hidden;
  overscroll-behavior-x:contain;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
  scrollbar-color:var(--accent-ring) transparent;
  scroll-snap-type:x proximity;
  list-style:none; padding:0 2px 3px; margin-block:0;
  max-width:100%;
}
.nav-links::-webkit-scrollbar{height:4px}
.nav-links::-webkit-scrollbar-thumb{background:var(--accent-ring);border-radius:999px}
.nav-links::-webkit-scrollbar-track{background:transparent}
.nav-links li{flex:0 0 auto;scroll-snap-align:center}
.nav-links a{
  display:inline-block;
  padding:8px 12px;
  border-radius:999px;
  font-size:.95rem;
  line-height:1.3;
  color:var(--fg-muted);
  border:1px solid transparent;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--ink);background:var(--chip-bg)}
.nav-links a[aria-current="page"]{
  color:var(--ink);
  background:var(--accent-subtle);
  border-color:var(--accent-ring);
}
@media(max-width:560px){
  .nav-inner{min-height:0;gap:10px}
  .nav-links{gap:2px}
  .nav-links a{padding:8px 10px}
}


/* --- Buttons ------------------------------------------------------------- */

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;
  border-radius:999px;
  border:1px solid transparent;
  font-family:var(--font-body);
  font-size:1rem;font-weight:500;
  line-height:1;
  cursor:pointer;
  text-align:center;
  transition:background .15s ease,border-color .15s ease,color .15s ease,transform .15s ease;
}
.btn svg{width:16px;height:16px;flex:0 0 auto}
.btn-primary{background:var(--accent);color:#04070d;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#04070d}
.btn-ghost{background:var(--chip-bg);color:var(--ink);border-color:var(--border-hairline)}
.btn-ghost:hover{color:var(--ink);border-color:var(--accent-ring);background:var(--accent-subtle)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}
@media(max-width:400px){.btn{width:100%}}

/* --- Panels & chips ------------------------------------------------------ */

.panel{
  background:var(--panel-bg);
  border:1px solid var(--border-hairline);
  border-radius:var(--radius);
  padding:clamp(20px,2.6vw,28px);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  position:relative;
}
.panel.lg{border-radius:var(--radius-lg);padding:clamp(24px,3.4vw,40px)}
.panel.hl{border-color:var(--accent-ring);box-shadow:0 0 0 1px var(--accent-ring),0 24px 60px -40px var(--fx-glow)}
.panel h3{margin-bottom:.4em}
.panel p:last-child{margin-bottom:0}

.card-num{
  font-family:var(--font-mono);
  font-size:.95rem;letter-spacing:.14em;line-height:1.45;
  color:var(--accent);
  display:block;margin-bottom:9px;
}

.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;
  border-radius:999px;
  background:var(--chip-bg);
  border:1px solid var(--border-hairline);
  font-family:var(--font-mono);
  font-size:.95rem;
  line-height:1.4;
  letter-spacing:.06em;
  color:var(--fg-muted);
  white-space:nowrap;
}
.chip.on{color:var(--brand-200);border-color:var(--accent-ring);background:var(--accent-subtle)}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto}

/* --- Stat band ----------------------------------------------------------- */

.stats{
  display:grid;gap:1px;
  background:var(--border-hairline);
  border:1px solid var(--border-hairline);
  border-radius:var(--radius);
  overflow:hidden;
  grid-template-columns:1fr;
}
@media(min-width:560px){.stats{grid-template-columns:repeat(2,1fr)}}
@media(min-width:960px){.stats{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}}
.stat{background:var(--neutral-950);padding:18px}
.stat b{
  display:block;
  font-size:clamp(1.6rem,3vw,2.1rem);
  font-weight:600;line-height:1.05;letter-spacing:-.03em;
  color:var(--ink);
  margin-bottom:6px;
}
.stat span{display:block;font-size:.95rem;color:var(--fg-muted);line-height:1.5}

/* --- Tables -------------------------------------------------------------- */

.scroll-x{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  border:1px solid var(--border-hairline);
  border-radius:var(--radius);
  background:var(--panel-bg);
}
.scroll-x > table{border:0;border-radius:0;background:transparent;margin:0;min-width:520px}
table{
  width:100%;
  border-collapse:collapse;
  font-size:1rem;
  line-height:1.55;
}
caption{
  caption-side:top;
  text-align:left;
  padding:14px 16px 0;
  color:var(--fg-muted);
  font-size:.95rem;
}
th,td{
  text-align:left;
  vertical-align:top;
  padding:12px 16px;
  border-bottom:1px solid var(--border-hairline);
}
thead th{
  font-family:var(--font-mono);
  font-weight:500;
  font-size:.95rem;
  letter-spacing:.12em;
  line-height:1.4;
  text-transform:uppercase;
  color:var(--accent);
  white-space:nowrap;
}
tbody th{font-weight:500;color:var(--ink)}
tbody td{color:var(--fg-muted)}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}
tbody tr:hover td,tbody tr:hover th{background:color-mix(in srgb,var(--brand-400) 5%,transparent)}
td .mono,th .mono{color:var(--brand-200)}
.num{font-family:var(--font-mono);color:var(--brand-200);white-space:nowrap}

/* --- Lists --------------------------------------------------------------- */

.ticks{list-style:none;padding:0;margin:0}
.ticks li{
  position:relative;
  padding-left:26px;
  margin-bottom:9px;
  color:var(--fg-muted);
}
.ticks li:last-child{margin-bottom:0}
.ticks li::before{
  content:"";
  position:absolute;left:0;top:.62em;
  width:9px;height:9px;border-radius:2px;
  background:var(--accent);
  box-shadow:0 0 12px var(--fx-glow);
}
.ticks.no li::before{background:var(--fg-muted);opacity:.5;box-shadow:none}
.ticks li strong{color:var(--ink)}

.kv{list-style:none;padding:0;margin:0}
.kv li{
  display:flex;flex-wrap:wrap;gap:6px 14px;
  padding:10px 0;
  border-bottom:1px solid var(--border-hairline);
}
.kv li:last-child{border-bottom:0}
.kv b{font-weight:500;min-width:180px;flex:0 0 auto}
.kv span{color:var(--fg-muted);flex:1 1 220px}

/* --- Hero ---------------------------------------------------------------- */

.hero{
  position:relative;
  padding-block:clamp(34px,5vw,68px) clamp(24px,3.6vw,46px);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  left:50%;top:-30%;
  width:min(1100px,150vw);height:min(760px,110vw);
  transform:translateX(-50%);
  background:radial-gradient(closest-side, var(--fx-halo-a), transparent 72%);
  pointer-events:none;
}
.hero .wrap{position:relative}
.hero h1{max-width:18ch}
.hero .lead{margin-top:16px}

/* --- Certificate mock (hero visual) -------------------------------------- */

.cert{
  background:linear-gradient(160deg,color-mix(in srgb,var(--neutral-900) 72%,transparent),var(--panel-bg));
  border:1px solid var(--border-hairline);
  border-radius:var(--radius-lg);
  padding:clamp(20px,2.6vw,28px);
  box-shadow:0 40px 90px -60px var(--fx-glow);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.cert-top{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding-bottom:14px;margin-bottom:16px;
  border-bottom:1px solid var(--border-hairline);
}
.cert-title{font-family:var(--font-mono);font-size:.95rem;letter-spacing:.12em;line-height:1.4;text-transform:uppercase;color:var(--fg-muted)}
.cert-claim{
  display:flex;gap:11px;align-items:flex-start;
  padding:10px 0;
  border-bottom:1px solid var(--border-hairline);
  font-size:1rem;
  line-height:1.5;
}
.cert-claim:last-of-type{border-bottom:0}
.cert-claim svg{width:17px;height:17px;flex:0 0 auto;margin-top:3px;color:var(--accent)}
.cert-foot{
  margin-top:16px;padding-top:14px;
  border-top:1px solid var(--border-hairline);
}

/* --- Diagrams ------------------------------------------------------------ */

.diagram{
  border:1px solid var(--border-hairline);
  border-radius:var(--radius);
  background:var(--panel-bg);
  padding:clamp(14px,2vw,22px);
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}
.diagram svg{display:block;height:auto;min-width:880px;width:100%}
figure{margin:0}
figure > figcaption{margin-top:12px;font-size:.95rem;line-height:1.55;color:var(--fg-muted);max-width:76ch}

.stage{
  display:inline-flex;align-items:center;
  padding:3px 11px;
  border-radius:999px;
  border:1px solid var(--border-hairline);
  background:var(--chip-bg);
  font-family:var(--font-mono);
  font-size:.95rem;letter-spacing:.16em;line-height:1.4;text-transform:uppercase;
  color:var(--fg-muted);
  flex:0 0 auto;
}

.stage-note{
  display:flex;gap:10px;align-items:flex-start;
  margin:16px 0 0;
  font-size:.98rem;
  line-height:1.55;
  color:var(--fg-muted);
}
.stage-note::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
  flex:0 0 auto;margin-top:.55em;
}

.skip{
  position:absolute;left:-9999px;top:0;
  background:var(--accent);color:#04070d;
  padding:10px 16px;border-radius:0 0 var(--radius-sm) 0;
  font-size:1rem;z-index:100;
}
.skip:focus{left:0;color:#04070d}
.dg-box{fill:var(--neutral-950);stroke:var(--border-hairline)}
.dg-box-a{fill:var(--accent-subtle);stroke:var(--accent-ring)}
.dg-t{fill:var(--ink);font-family:var(--font-body);font-size:13px;font-weight:400}
.dg-s{fill:var(--fg-muted);font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em}
.dg-l{fill:var(--accent);font-family:var(--font-mono);font-size:10px;letter-spacing:.06em}
.dg-line{stroke:var(--border-hairline);stroke-width:1.2;fill:none}
.dg-line-a{stroke:var(--accent);stroke-width:1.4;fill:none;opacity:.85}

/* --- Callouts ------------------------------------------------------------ */

.note{
  border-left:2px solid var(--accent);
  padding:4px 0 4px 18px;
  color:var(--fg-muted);
  margin:16px 0;
}
.note strong{color:var(--ink)}
.quote{
  font-size:clamp(1.05rem,2.2vw,1.42rem);
  line-height:1.5;
  font-weight:300;
  letter-spacing:-.018em;
  color:var(--ink);
  max-width:56ch;
}
.quote cite{display:block;margin-top:13px;font-size:.95rem;line-height:1.45;font-style:normal;color:var(--fg-muted);font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase}

/* --- CTA band ------------------------------------------------------------ */

.cta{
  position:relative;
  border:1px solid var(--accent-ring);
  border-radius:var(--radius-lg);
  padding:clamp(24px,4vw,48px);
  background:
    radial-gradient(700px 320px at 50% 0%, var(--fx-halo-b), transparent 70%),
    var(--panel-bg);
  text-align:center;
  overflow:hidden;
}
.cta h2{max-width:22ch;margin-inline:auto}
.cta .lead{margin-inline:auto}
.cta .btn-row{justify-content:center}

/* --- Widget mount points ------------------------------------------------- */

.widget{
  display:block;
  background:var(--panel-bg);
  border:1px solid var(--border-hairline);
  border-radius:var(--radius);
  padding:clamp(20px,2.6vw,28px);
  margin-block:16px;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.widget-placeholder{color:var(--fg-muted);font-family:var(--font-mono);font-size:.95rem;line-height:1.6;margin:0}

/* --- Footer -------------------------------------------------------------- */

.footer{
  border-top:1px solid var(--border-hairline);
  padding-block:clamp(24px,3.2vw,38px) 22px;
  background:color-mix(in srgb,var(--neutral-950) 55%,transparent);
}
.footer-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media(min-width:720px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer h4{
  font-family:var(--font-mono);font-size:.95rem;font-weight:500;
  letter-spacing:.16em;line-height:1.4;text-transform:uppercase;color:var(--fg-muted);
  margin-bottom:11px;
}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:6px}
.footer li a{color:var(--fg-muted);font-size:1rem}
.footer li a:hover{color:var(--ink)}
.footer-bottom{
  margin-top:clamp(16px,2.4vw,24px);
  padding-top:16px;
  border-top:1px solid var(--border-hairline);
  display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;
  font-size:1rem;line-height:1.55;color:var(--fg-muted);
}
.footer-bottom p{margin:0}
/* legal placeholders live in the footer only, never in the top nav */
.footer-legal{
  flex:1 1 100%;
  display:flex;flex-wrap:wrap;gap:6px 20px;
  list-style:none;margin:0;padding:0;
}
.footer-legal li{margin:0}
.footer-legal a{color:var(--fg-muted);font-size:1rem}
.footer-legal a:hover{color:var(--ink)}

/* --- Small screens ------------------------------------------------------- */

@media(max-width:400px){
  html body{font-size:1.02rem}
  .panel,.cert,.widget{padding:18px}
  th,td{padding:11px 12px}
}

@media(prefers-reduced-motion:reduce){
  :root{scroll-behavior:auto}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* Home hero certificate: the two actions sit under "Check It". Black pills, blue glow on hover. */
.cert-foot .btn-row{margin-top:12px}
.cert-foot .btn{background:#000;color:#fff;border-color:#000;transition:box-shadow .15s ease,border-color .15s ease,transform .15s ease}
.cert-foot .btn:hover,.cert-foot .btn:focus-visible{
  background:#000;color:#fff;border-color:var(--accent);
  box-shadow:0 0 0 1px var(--accent),0 0 20px 2px color-mix(in srgb,var(--accent) 55%,transparent);
}