/* =========================================================
   Frank Consulting LLC — "The Ledger" design system
   Palette: navy blue, gold, white
   Type: Fraunces (display) / IBM Plex Sans (body) / IBM Plex Mono (data)
   ========================================================= */

:root{
  --ink:        #16233B;
  --ink-soft:   #43506A;
  --paper:      #FFFFFF;
  --paper-alt:  #F1F4F9;
  --white:      #FFFFFF;
  --green:      #14294D;
  --green-dark: #0B1B33;
  --green-line: rgba(20,41,77,0.16);
  --brass:      #B8912B;
  --brass-dark: #96741E;
  --rule-red:   #B8912B;
  --mist:       #6B7A93;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --wrap: 1120px;
  --radius: 3px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:var(--green); text-decoration-color:var(--brass); text-underline-offset:3px; }
a:hover{ color:var(--brass-dark); }
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.1;
  margin:0 0 .5em;
  color:var(--green-dark);
}
h1{ font-size:clamp(2.4rem,5vw,3.75rem); font-weight:500; letter-spacing:-0.01em; }
h2{ font-size:clamp(1.7rem,3vw,2.35rem); }
h3{ font-size:1.25rem; }
p{ margin:0 0 1em; color:var(--ink-soft); }
.wrap{ max-width:var(--wrap); margin:0 auto; padding:0 24px; }
.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brass-dark);
  display:inline-block;
  margin-bottom:.9em;
}
.mono{ font-family:var(--font-mono); }
:focus-visible{ outline:2px solid var(--brass); outline-offset:3px; }

/* ---------- section backgrounds ---------- */
.ruled{
  background:var(--paper);
}
.margin-rule{ position:relative; }
.margin-rule::before{
  content:"";
  position:absolute;
  top:0; bottom:0; left:64px;
  width:1px;
  background:rgba(184,145,43,0.4);
  display:none;
}
@media(min-width:900px){ .margin-rule::before{ display:block; } }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.5em;
  font-family:var(--font-body); font-weight:600; font-size:.95rem;
  padding:.85em 1.5em; border-radius:var(--radius);
  border:1px solid transparent; cursor:pointer;
  text-decoration:none; transition:transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
}
.btn-primary{ background:var(--brass); color:var(--white); }
.btn-primary:hover{ background:var(--brass-dark); color:var(--white); transform:translateY(-1px); }
.btn-ghost{ background:transparent; color:var(--green-dark); border-color:var(--green-line); }
.btn-ghost:hover{ border-color:var(--green-dark); color:var(--green-dark); }
.btn-on-dark{ background:transparent; color:var(--paper); border-color:rgba(255,255,255,.35); }
.btn-on-dark:hover{ background:rgba(255,255,255,.1); color:var(--paper); }

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:var(--green-dark);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 24px;
}
.brand{
  font-family:var(--font-display); font-size:1.15rem; font-weight:600;
  color:var(--white); text-decoration:none; letter-spacing:-0.01em;
}
.brand-mark{ color:var(--brass); font-family:var(--font-mono); font-weight:400; font-size:.7em; letter-spacing:.06em; }
.site-nav{ display:none; align-items:center; gap:28px; }
.site-nav a{ color:rgba(255,255,255,.78); text-decoration:none; font-size:.94rem; font-weight:500; }
.site-nav a:hover{ color:var(--white); }
.site-nav a.active{ color:var(--brass); }
.site-nav .nav-cta{
  font-family:var(--font-body); font-weight:600; color:var(--green-dark);
  background:var(--brass); padding:.6em 1.15em; border-radius:var(--radius);
}
.site-nav .nav-cta:hover{ background:var(--white); color:var(--green-dark); }
.nav-toggle{
  display:inline-flex; flex-direction:column; gap:4px; background:none; border:0; cursor:pointer; padding:8px;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after{
  content:""; width:22px; height:2px; background:var(--white); display:block;
}
@media(min-width:900px){
  .site-nav{ display:flex; }
  .nav-toggle{ display:none; }
}
.mobile-panel{
  display:none; flex-direction:column; gap:2px;
  border-top:1px solid rgba(255,255,255,.1); background:var(--green-dark);
}
.mobile-panel.open{ display:flex; }
.mobile-panel a{
  padding:14px 24px; color:rgba(255,255,255,.82); text-decoration:none; border-bottom:1px solid rgba(255,255,255,.1);
  font-weight:500;
}
.mobile-panel a.nav-cta{ color:var(--brass); font-weight:700; }
@media(min-width:900px){ .mobile-panel{ display:none !important; } }

/* ---------- hero ---------- */
.hero{ padding:64px 0 56px; background:var(--green-dark); }
.hero h1{ color:var(--white); }
.hero .eyebrow{ color:var(--brass); }
.hero p{ color:rgba(255,255,255,.8); }
.hero .hero-copy p.lede{ font-size:1.1rem; max-width:46ch; }
.hero .btn-ghost{ color:var(--white); border-color:rgba(255,255,255,.35); }
.hero .btn-ghost:hover{ background:rgba(255,255,255,.1); color:var(--white); border-color:rgba(255,255,255,.6); }
.hero-grid{ display:grid; gap:44px; align-items:center; }
@media(min-width:960px){ .hero-grid{ grid-template-columns:1.05fr .95fr; gap:56px; } }
.hero-copy p.lede{ font-size:1.1rem; max-width:46ch; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:1.75em; }
.hero-loc{ display:flex; align-items:center; gap:8px; margin-top:1.75em; font-family:var(--font-mono); font-size:.82rem; color:rgba(255,255,255,.65); }
.hero-loc svg{ width:14px; height:14px; flex:none; }

/* ---------- ledger widget (signature element) ---------- */
.ledger-card{
  background:var(--white);
  border:1px solid var(--green-line);
  border-radius:4px;
  overflow:hidden;
  box-shadow:0 24px 48px -24px rgba(11,27,51,.28);
}
.ledger-card-head{
  background:var(--green); color:var(--paper);
  padding:14px 18px; display:flex; justify-content:space-between; align-items:baseline;
  font-family:var(--font-mono); font-size:.75rem; letter-spacing:.08em; text-transform:uppercase;
}
.ledger-table{ width:100%; border-collapse:collapse; font-family:var(--font-mono); font-size:.82rem; }
.ledger-table th{
  text-align:left; font-weight:500; color:var(--mist); text-transform:uppercase; letter-spacing:.06em;
  font-size:.66rem; padding:10px 14px; border-bottom:1px solid var(--green-line);
}
.ledger-table td{ padding:11px 14px; border-bottom:1px solid var(--green-line); color:var(--ink-soft); position:relative; }
.ledger-table tr:nth-child(odd) td{ background:var(--paper); }
.ledger-table td.amt{ text-align:right; color:var(--ink); }
.ledger-table td.check{ text-align:center; width:34px; }
.ledger-table td.check svg{ width:14px; height:14px; color:var(--green); }
.ledger-card-foot{
  display:flex; justify-content:space-between; padding:13px 18px; font-family:var(--font-mono); font-size:.78rem;
  background:var(--paper-alt); color:var(--green-dark); font-weight:500;
}

/* ---------- section spacing / labels ---------- */
section{ padding:72px 0; }
.section-head{ max-width:640px; margin-bottom:44px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ---------- services grid ---------- */
.card-grid{ display:grid; gap:24px; }
@media(min-width:760px){ .card-grid{ grid-template-columns:repeat(3,1fr); } }
.service-card{
  background:var(--white); border:1px solid var(--green-line); border-radius:4px; padding:30px 26px;
}
.service-card .icon{ width:34px; height:34px; color:var(--brass-dark); margin-bottom:18px; }
.service-card h3{ margin-bottom:.4em; }
.service-card p{ font-size:.95rem; margin-bottom:0; }

/* ---------- stat strip ---------- */
.stat-strip{
  background:var(--green); color:var(--paper);
}
.stat-grid{ display:grid; gap:32px; }
@media(min-width:700px){ .stat-grid{ grid-template-columns:repeat(4,1fr); } }
.stat{ }
.stat .num{ font-family:var(--font-mono); font-size:2rem; color:var(--white); display:block; margin-bottom:.25em; }
.stat .label{ font-size:.86rem; color:rgba(255,255,255,.72); }
.stat-list{ list-style:none; margin:0; padding:0; display:grid; gap:10px; }
.stat-list li{ display:flex; gap:10px; align-items:flex-start; color:rgba(255,255,255,.9); font-size:.95rem; }
.stat-list svg{ width:16px; height:16px; flex:none; margin-top:3px; color:var(--brass); }

/* ---------- ledger process rows ---------- */
.process-ledger{ border-top:1px solid var(--green-line); }
.process-row{
  display:grid; grid-template-columns:70px 1fr; gap:20px;
  padding:26px 0; border-bottom:1px solid var(--green-line); align-items:start;
}
@media(min-width:700px){ .process-row{ grid-template-columns:90px 220px 1fr; } }
.process-row .entry-no{ font-family:var(--font-mono); color:var(--brass-dark); font-size:.85rem; }
.process-row h3{ margin-bottom:.3em; }
.process-row p{ margin-bottom:0; font-size:.94rem; }
.process-row .entry-check{ display:none; }
@media(min-width:700px){
  .process-row{ grid-template-columns:90px 1fr 26px; }
  .process-row .col-title{ }
  .process-row .entry-check{ display:flex; align-self:center; justify-content:center; }
  .process-row .entry-check svg{ width:18px; height:18px; color:var(--green); }
}

/* ---------- why-us split ---------- */
.split{ display:grid; gap:40px; }
@media(min-width:900px){ .split{ grid-template-columns:1fr 1fr; gap:64px; align-items:center; } }
.credential-row{
  display:flex; gap:18px; padding:16px 0; border-bottom:1px solid var(--green-line);
}
.credential-row:first-child{ border-top:1px solid var(--green-line); }
.credential-row .tag{
  font-family:var(--font-mono); font-size:.72rem; color:var(--white); background:var(--green);
  padding:.35em .6em; border-radius:3px; height:fit-content; white-space:nowrap;
}
.credential-row p{ margin:0; font-size:.95rem; color:var(--ink-soft); }

/* ---------- FAQ ---------- */
.faq-item{ border-bottom:1px solid var(--green-line); }
.faq-item summary{
  cursor:pointer; list-style:none; padding:20px 0; font-family:var(--font-display); font-size:1.08rem;
  color:var(--green-dark); display:flex; justify-content:space-between; align-items:center; gap:16px;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary .plus{ font-family:var(--font-mono); color:var(--brass-dark); flex:none; }
.faq-item[open] summary .plus{ transform:rotate(45deg); }
.faq-item p{ padding-bottom:20px; margin:0; max-width:70ch; }

/* ---------- CTA band ---------- */
.cta-band{ background:var(--green-dark); color:var(--paper); text-align:center; }
.cta-band h2{ color:var(--white); }
.cta-band p{ color:rgba(255,255,255,.78); max-width:52ch; margin-left:auto; margin-right:auto; }
.cta-band .btn-primary{ margin-top:.5em; }

/* ---------- blog ---------- */
.post-list{ display:grid; gap:0; border-top:1px solid var(--green-line); }
.post-row{
  display:grid; gap:8px; padding:28px 0; border-bottom:1px solid var(--green-line);
  text-decoration:none; color:inherit;
}
@media(min-width:760px){ .post-row{ grid-template-columns:140px 1fr; align-items:baseline; gap:24px; } }
.post-row .date{ font-family:var(--font-mono); font-size:.78rem; color:var(--mist); }
.post-row h3{ margin:0 0 .3em; color:var(--green-dark); }
.post-row p{ margin:0; font-size:.94rem; }
.post-row:hover h3{ color:var(--brass-dark); }

article.post{ }
article.post .post-meta{
  font-family:var(--font-mono); font-size:.78rem; color:var(--mist); margin-bottom:1.2em;
}
article.post h1{ max-width:22ch; }
article.post .lede{ font-size:1.1rem; color:var(--ink-soft); }
article.post h2{ margin-top:1.6em; font-size:1.5rem; }
article.post ul, article.post ol{ color:var(--ink-soft); padding-left:1.2em; }
article.post li{ margin-bottom:.5em; }
article.post blockquote{
  margin:1.6em 0; padding:.2em 0 .2em 1.2em; border-left:3px solid var(--brass);
  font-family:var(--font-display); font-size:1.15rem; color:var(--green-dark);
}

/* ---------- footer ---------- */
.site-footer{ background:var(--green-dark); color:rgba(255,255,255,.82); padding:56px 0 0; }
.footer-inner{ display:flex; flex-wrap:wrap; gap:32px; justify-content:space-between; padding-bottom:36px; border-bottom:1px solid rgba(255,255,255,.14); }
.brand-footer{ font-family:var(--font-display); font-size:1.2rem; color:var(--white); margin-bottom:.3em; }
.footer-inner a{ color:rgba(255,255,255,.82); text-decoration:none; }
.footer-inner a:hover{ color:var(--white); }
.footer-inner nav{ display:flex; flex-direction:column; gap:8px; }
.fine-print{ text-align:center; font-family:var(--font-mono); font-size:.74rem; color:rgba(255,255,255,.5); padding:22px 0; margin:0; }

/* ---------- misc utility ---------- */
.center{ text-align:center; }
.mt-0{ margin-top:0; }
.sr-only{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; }