/* AgreeVia — shared site styles (tokens, masthead, page-header blob, footer).
   Loaded on every public page. Page-type files (home.css/doc.css/legal.css)
   layer on top and override max-widths etc. per layout. */
:root{
  --backsheet:#F6F3EC;
  --brand-deep:#14294d;
  --paper:#E8E5E0;
  --ink:#191C1B;
  --tape:#173571;
  --chip:#D9CDB0;
  --rule:#DCD7CA;
  --rule-soft:#EBE7DD;
  --muted:#6C716C;
  --measure:34rem;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
body{
  margin:0;background:var(--backsheet);color:var(--ink);
  font-family:Karla,system-ui,sans-serif;font-size:16.5px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
:focus-visible{outline:2px solid var(--tape);outline-offset:3px;border-radius:2px}

/* ---------- masthead ---------- */
.masthead{
  background:var(--backsheet);color:var(--ink);
  padding:1.15rem 1.6rem;display:flex;align-items:center;
  justify-content:space-between;gap:1rem;flex-wrap:wrap;
  position:relative;border-bottom:1px solid var(--rule);
}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font-family:Newsreader,serif;font-size:1.3rem;font-weight:600;letter-spacing:-.01em;color:var(--ink)}
.brand .mark{width:3px;height:1.25rem;background:var(--tape);border-radius:2px;display:block}
.masthead nav{display:flex;gap:1.5rem;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;font-weight:600}
.masthead nav a{text-decoration:none;color:var(--muted)}
.masthead nav a:hover,.masthead nav a[aria-current]{color:var(--tape)}

/* mobile nav toggle — hidden on desktop, shown below the nav breakpoint */
.nav-toggle{
  display:none;background:none;border:none;padding:.4rem;cursor:pointer;
  width:2.2rem;height:2.2rem;flex-direction:column;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:100%;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:680px){
  .nav-toggle{display:flex}
  .masthead nav{
    flex-direction:column;gap:0;align-items:stretch;
    position:absolute;top:100%;left:0;right:0;z-index:20;
    background:var(--backsheet);padding:0 1.6rem;
    max-height:0;overflow:hidden;
    transition:max-height .25s ease;
  }
  .masthead nav.open{
    max-height:22rem;padding:.4rem 1.6rem 1rem;
    border-bottom:1px solid var(--rule);
    box-shadow:0 12px 24px -16px rgba(0,0,0,.15);
  }
  .masthead nav a{padding:.7rem 0;border-bottom:1px solid var(--rule-soft)}
  .masthead nav a:last-child{border-bottom:none}
}

/* ---------- page header banner (blob) ---------- */
.page-hero{background:var(--backsheet);padding:0 1.6rem 3rem;display:flex;justify-content:center}
.blob{
  background:var(--brand-deep);color:#fff;width:100%;max-width:40rem;
  padding:2.4rem 2.6rem 2.2rem;text-align:left;
  border-radius:28px 28px 36px 36px;
  box-shadow:0 24px 48px -26px rgba(20,41,77,.4), 0 10px 20px -12px rgba(20,41,77,.2);
}
.blob .eyebrow{color:rgba(255,255,255,.7)}
.blob .standfirst{color:rgba(255,255,255,.85);margin-bottom:0}
.blob h1{color:#fff}

/* ---------- document sheet (content card) ---------- */
.sheet{
  background:var(--paper);margin:-2rem auto 0;position:relative;z-index:1;
  border-radius:20px 20px 0 0;
  box-shadow:0 0 0 1px rgba(0,0,0,.06), 0 24px 60px -24px rgba(0,0,0,.45);
}

.eyebrow{
  font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--tape);margin:0 0 1rem;font-weight:600;
}
.standfirst{font-size:1.09rem;color:#41453F;max-width:var(--measure);margin:0 0 2.4rem}

.stamp{border-top:2px solid var(--ink);border-bottom:1px solid var(--rule);
  padding:1rem 0 1.1rem;margin:0 0 2.8rem;max-width:40rem;
  font-family:'IBM Plex Mono',monospace;font-size:.775rem}
.stamp dl{display:grid;grid-template-columns:9.5rem 1fr;gap:.42rem 1rem;margin:0}
.stamp dt{color:var(--muted);letter-spacing:.09em;text-transform:uppercase;font-size:.68rem;padding-top:.12rem}
.stamp dd{margin:0;color:var(--ink)}

.tags{display:flex;flex-wrap:wrap;gap:.6rem;margin:0 0 1.2rem}
.tag{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink);background:var(--chip);
  padding:.4rem .8rem;border-radius:20px;font-weight:600}

.note{border-left:2px solid var(--tape);background:#F2EFE9;
  padding:.95rem 1.15rem;margin:0 0 1.4rem;max-width:var(--measure);font-size:.92rem}
.note strong{display:block;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  font-family:'IBM Plex Mono',monospace;color:var(--tape);margin-bottom:.35rem}
.note p{margin:0 0 .6rem}
.note p:last-child{margin:0}

/* generic utility — used where a one-off spacing tweak doesn't warrant a new class */
.mt-lg{margin-top:1.4rem}

/* ---------- footer ---------- */
footer{
  background:var(--backsheet);color:var(--muted);
  padding:3.4rem 1.6rem 3.6rem;text-align:center;font-size:.82rem;
  border-top:1px solid var(--rule);
}
footer .foot-mark{display:block;width:3px;height:1.25rem;background:var(--tape);
  border-radius:2px;margin:0 auto 1.5rem}
footer p{margin:0 0 .7rem}
footer a{color:var(--tape);text-underline-offset:3px}
footer .fine{margin-top:.9rem;font-size:.76rem;letter-spacing:.02em;color:#A6AA9F}

@media (max-width:640px){
  .page-hero{padding:0 1rem 2.2rem}
  .blob{padding:1.8rem 1.6rem;border-radius:20px 20px 26px 26px}
  .sheet{margin-top:-1.4rem}
}