/* ============================================================
   NABHDesk design tokens
   Palette drawn from the accreditation certificate itself:
   petrol ink of an official stamp, aged seal gold, ledger paper.
   ============================================================ */
:root{
  --ink:#12303A;
  --ink-deep:#0A1E25;
  --ink-soft:#4A6670;
  --paper:#FFFFFF;
  --surface:#F1F4F3;
  --rule:#D8E0DE;
  --seal:#A8752C;
  --seal-light:#F0E3CE;

  --tier-core:#B3392F;
  --tier-commitment:#1F6F8B;
  --tier-achievement:#2E7D5B;
  --tier-excellence:#6B4E9E;

  --font-display:'Newsreader',Georgia,serif;
  --font-body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,'SFMono-Regular',monospace;

  --shell:1180px;
  --radius:3px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.shell{max-width:var(--shell);margin:0 auto;padding:0 24px}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:500;letter-spacing:-.015em;line-height:1.15;color:var(--ink-deep)}
h1{font-size:clamp(2.3rem,5vw,3.9rem)}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem)}
h3{font-size:1.28rem}
p{margin:0 0 1rem}
a{color:var(--ink);text-decoration-color:var(--seal);text-underline-offset:3px}
a:hover{color:var(--seal)}

.eyebrow{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--seal);margin-bottom:14px;display:block
}
.lede{font-size:1.14rem;color:var(--ink-soft);max-width:62ch}
.mono{font-family:var(--font-mono)}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--rule)
}
.site-head .inner{display:flex;align-items:center;gap:28px;height:70px}
.brand{font-family:var(--font-display);font-size:1.35rem;font-weight:600;text-decoration:none;color:var(--ink-deep)}
.brand span{color:var(--seal)}
.nav-links{display:flex;gap:24px;margin-left:auto;align-items:center}
.nav-links a{font-size:.92rem;text-decoration:none;color:var(--ink-soft)}
.nav-links a:hover,.nav-links a.active{color:var(--ink-deep)}

.btn-seal{
  background:var(--ink-deep);color:#fff;border:1px solid var(--ink-deep);
  padding:11px 22px;border-radius:var(--radius);font-size:.92rem;font-weight:500;
  text-decoration:none;display:inline-block;transition:.18s
}
.btn-seal:hover{background:var(--seal);border-color:var(--seal);color:#fff}
.btn-ghost{
  background:transparent;color:var(--ink-deep);border:1px solid var(--rule);
  padding:11px 22px;border-radius:var(--radius);font-size:.92rem;text-decoration:none;display:inline-block
}
.btn-ghost:hover{border-color:var(--ink-deep);color:var(--ink-deep)}

.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--rule);padding:8px 12px;border-radius:var(--radius)}

/* ---------- hero ---------- */
.hero{padding:76px 0 56px;border-bottom:1px solid var(--rule)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:start}
.hero h1{margin:0 0 20px}
.hero h1 em{font-style:italic;color:var(--seal)}
.hero-cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-note{font-size:.85rem;color:var(--ink-soft);margin-top:18px}

/* ---------- signature: readiness ledger ---------- */
.ledger{border:1px solid var(--ink-deep);background:var(--paper)}
.ledger-head{
  display:flex;justify-content:space-between;align-items:baseline;
  padding:14px 18px;background:var(--ink-deep);color:#fff;
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase
}
.ledger-head b{color:var(--seal-light);font-weight:500}
.ledger-row{
  display:grid;grid-template-columns:52px 1fr 46px;gap:14px;align-items:center;
  padding:11px 18px;border-bottom:1px solid var(--rule)
}
.ledger-row:last-child{border-bottom:0}
.ledger-code{font-family:var(--font-mono);font-size:.82rem;font-weight:600;color:var(--ink-deep)}
.ledger-name{font-size:.78rem;color:var(--ink-soft);line-height:1.35}
.ledger-bar{grid-column:2/4;height:5px;background:var(--surface);margin-top:6px;overflow:hidden}
.ledger-fill{
  display:block;height:100%;background:var(--tier-achievement);
  width:0;animation:fill 1.15s cubic-bezier(.22,.9,.3,1) forwards
}
.ledger-pct{font-family:var(--font-mono);font-size:.82rem;text-align:right;color:var(--ink-deep)}
.ledger-foot{padding:14px 18px;background:var(--surface);font-size:.78rem;color:var(--ink-soft)}
@keyframes fill{to{width:var(--w)}}
@media (prefers-reduced-motion:reduce){
  .ledger-fill{animation:none;width:var(--w)}
  html{scroll-behavior:auto}
}

/* ---------- tier chips ---------- */
.tier{
  font-family:var(--font-mono);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;
  padding:3px 8px;border:1px solid currentColor;border-radius:2px;display:inline-block
}
.tier-core{color:var(--tier-core)}
.tier-commitment{color:var(--tier-commitment)}
.tier-achievement{color:var(--tier-achievement)}
.tier-excellence{color:var(--tier-excellence)}

/* ---------- sections ---------- */
section{padding:72px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.section-head{max-width:66ch;margin-bottom:44px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule)}
.cell{background:var(--paper);padding:30px 26px}
.cell h3{margin:0 0 10px;font-size:1.12rem}
.cell p{margin:0;font-size:.92rem;color:var(--ink-soft)}
.cell .num{
  font-family:var(--font-mono);font-size:.68rem;color:var(--seal);
  letter-spacing:.12em;display:block;margin-bottom:12px
}

.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;padding:34px 0}
.stat b{font-family:var(--font-display);font-size:2.4rem;display:block;line-height:1;color:var(--ink-deep)}
.stat span{font-size:.82rem;color:var(--ink-soft)}

/* ---------- flow ---------- */
.flow{counter-reset:step;display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule)}
.flow-step{background:var(--paper);padding:26px;display:grid;grid-template-columns:62px 1fr;gap:20px;align-items:start}
.flow-step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-family:var(--font-mono);font-size:1.5rem;color:var(--seal-light);
  background:var(--ink-deep);padding:8px 0;text-align:center
}
.flow-step h3{margin:0 0 6px;font-size:1.05rem}
.flow-step p{margin:0;font-size:.9rem;color:var(--ink-soft)}

/* ---------- faq ---------- */
.faq-item{border-bottom:1px solid var(--rule);padding:22px 0}
.faq-item h3{margin:0 0 8px;font-size:1.05rem}
.faq-item p{margin:0;font-size:.94rem;color:var(--ink-soft);max-width:78ch}

/* ---------- form ---------- */
.form-card{background:var(--paper);border:1px solid var(--ink-deep);padding:32px}
.form-card label{display:block;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:6px}
.form-card input,.form-card select,.form-card textarea{
  width:100%;padding:11px 13px;border:1px solid var(--rule);border-radius:var(--radius);
  font-family:var(--font-body);font-size:.95rem;margin-bottom:18px;background:#fff;color:var(--ink)
}
.form-card input:focus,.form-card select:focus,.form-card textarea:focus{
  outline:2px solid var(--seal);outline-offset:1px;border-color:var(--seal)
}

/* ---------- posts ---------- */
.post-row{display:grid;grid-template-columns:110px 1fr;gap:26px;padding:26px 0;border-bottom:1px solid var(--rule)}
.post-row .meta{font-family:var(--font-mono);font-size:.72rem;color:var(--ink-soft);letter-spacing:.06em}
.post-row h3{margin:0 0 8px}
.post-row a{text-decoration:none}
.prose{max-width:70ch}
.prose h2{font-size:1.5rem;margin:2rem 0 .8rem}
.prose p{color:var(--ink-soft)}

/* ---------- footer ---------- */
.site-foot{background:var(--ink-deep);color:#C6D3D6;padding:56px 0 28px;font-size:.88rem}
.site-foot a{color:#C6D3D6;text-decoration:none}
.site-foot a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:36px}
.foot-grid h4{color:#fff;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;margin:0 0 14px}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin-bottom:9px}
.foot-base{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.8rem;color:#8FA4A9}
.disclaimer{font-size:.78rem;color:#8FA4A9;max-width:68ch;margin-top:12px}

:focus-visible{outline:2px solid var(--seal);outline-offset:2px}

@media (max-width:900px){
  .hero-grid,.grid-3,.grid-2,.foot-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:24px}
  .nav-links{
    display:none;position:absolute;top:70px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:flex-start;padding:18px 24px;gap:16px;
    border-bottom:1px solid var(--rule)
  }
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .post-row{grid-template-columns:1fr;gap:8px}
  section{padding:52px 0}
  .hero{padding:48px 0 40px}
}