/* National Merchant Solutions — shared stylesheet for secondary pages
   (guides, industry, about, learn). Mirrors the brand language of the
   homepage but with a content-page reading layout. */

:root {
  --navy: #042C53;
  --navy-mid: #185FA5;
  --navy-light: #B5D4F4;
  --gold: #F5B53C;
  --gold-dark: #BA7517;
  --gold-bg: #FAEEDA;
  --gold-deepest: #5C3408;
  --bg: #FAFAF7;
  --surface: #FFFFFF;
  --surface-2: #F1EFE8;
  --text: #1A1A1A;
  --text-mid: #5F5E5A;
  --text-light: #888780;
  --border: rgba(0,0,0,0.08);
  --success: #0F6E56;
  --success-bg: #E1F5EE;
  --danger: #A32D2D;
  --maxw: 1180px;
  --readw: 760px;
  --radius: 10px;
  --radius-lg: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.serif { font-family: 'Fraunces', Georgia, serif; }
a { color: var(--navy); text-decoration: underline; }
img, svg { display: block; max-width: 100%; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.read { max-width: var(--readw); margin: 0 auto; padding: 0 24px; }

/* ============ NAV ============ */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; }
.logo-link { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-text { line-height: 1.1; }
.logo-name { font-weight: 600; letter-spacing: -0.3px; font-size: 15px; color: var(--navy); white-space: nowrap; }
.logo-tagline { font-size: 9px; letter-spacing: 2.5px; text-transform: uppercase; font-weight: 500; color: var(--gold-dark); margin-top: 3px; display: block; }
.nav-links { display: flex; gap: 28px; font-size: 14px; color: var(--text-mid); align-items: center; }
.nav-links a { color: var(--text-mid); text-decoration: none; transition: color 0.15s; }
.nav-links a:hover { color: var(--navy); }
.nav-cta { background: var(--navy-mid); color: white !important; padding: 9px 16px; border-radius: 6px; font-weight: 500; font-size: 13px; text-decoration: none !important; }
.nav-cta:hover { background: var(--navy); }

/* ============ PAGE HEADER ============ */
.page-head { padding: 56px 0 32px; text-align: center; }
.page-head .eyebrow {
  font-size: 11px; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--gold-dark); font-weight: 600; margin-bottom: 14px;
}
.page-head h1 {
  font-family: 'Fraunces', Georgia, serif; font-weight: 500;
  font-size: clamp(32px, 4.5vw, 48px); line-height: 1.1;
  letter-spacing: -0.8px; color: var(--navy); max-width: 820px; margin: 0 auto 16px;
}
.page-head .lede {
  color: var(--text-mid); font-size: 18px; max-width: 640px; margin: 0 auto;
  line-height: 1.55;
}
.page-head .updated { color: var(--text-light); font-size: 13px; margin-top: 16px; }

/* ============ BODY ============ */
.body { padding: 16px 0 64px; }
.body h2 {
  font-family: 'Fraunces', Georgia, serif; font-weight: 500;
  font-size: clamp(22px, 2.6vw, 30px); color: var(--navy);
  letter-spacing: -0.3px; line-height: 1.2;
  margin: 48px 0 14px;
}
.body h3 {
  font-family: 'Inter', sans-serif; font-weight: 600;
  font-size: 18px; color: var(--navy); margin: 28px 0 8px;
}
.body p, .body li { color: var(--text-mid); font-size: 16px; margin-bottom: 14px; line-height: 1.7; }
.body ul, .body ol { padding-left: 22px; margin-bottom: 16px; }
.body li { margin-bottom: 8px; }
.body strong { color: var(--text); }
.body code, .body kbd { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 14px; background: var(--surface-2); padding: 2px 6px; border-radius: 4px; color: var(--navy); }

/* TOC */
.toc { background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--gold); border-radius: var(--radius); padding: 20px 24px; margin: 8px 0 32px; }
.toc strong { display: block; font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--gold-dark); font-weight: 600; margin-bottom: 12px; }
.toc ol { padding-left: 18px; margin: 0; }
.toc li { margin-bottom: 6px; font-size: 14px; color: var(--text-mid); }
.toc li a { color: var(--navy); text-decoration: none; }
.toc li a:hover { text-decoration: underline; }

/* Callout / quote */
.callout { background: var(--gold-bg); border: 1px solid var(--gold); border-radius: var(--radius); padding: 18px 22px; margin: 18px 0; color: var(--gold-deepest); }
.callout strong { color: var(--gold-deepest); }
.callout p { color: #633806; margin-bottom: 0; }

.callout-navy { background: var(--navy); color: white; border-radius: var(--radius); padding: 22px 26px; margin: 22px 0; }
.callout-navy strong { color: var(--gold); }
.callout-navy p { color: var(--navy-light); margin-bottom: 0; }

.callout-success { background: var(--success-bg); border-left: 4px solid var(--success); padding: 16px 20px; margin: 18px 0; border-radius: var(--radius); }
.callout-success p { color: #0a4a3a; margin-bottom: 0; }

.callout-danger { background: #FCEBEB; border-left: 4px solid var(--danger); padding: 16px 20px; margin: 18px 0; border-radius: var(--radius); }
.callout-danger p { color: #6e1f1f; margin-bottom: 0; }

/* Inline tables */
.body table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; }
.body table th { background: var(--surface-2); color: var(--navy); text-align: left; padding: 10px 12px; font-weight: 600; border-bottom: 2px solid var(--border); }
.body table td { padding: 10px 12px; border-bottom: 1px solid var(--border); color: var(--text-mid); }

/* CTA strip used at the bottom of secondary pages */
.cta-strip { background: var(--navy); color: white; padding: 56px 0; text-align: center; margin-top: 56px; position: relative; overflow: hidden; }
.cta-strip::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, transparent 0%, var(--gold) 50%, transparent 100%); }
.cta-strip h2 { font-family: 'Fraunces', Georgia, serif; font-weight: 500; font-size: clamp(24px, 3vw, 34px); color: white; line-height: 1.2; margin-bottom: 10px; }
.cta-strip p { color: var(--navy-light); margin-bottom: 22px; font-size: 16px; }
.btn-gold {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--gold); color: var(--navy) !important;
  padding: 14px 24px; border-radius: 8px; font-weight: 600; font-size: 14px;
  text-decoration: none !important; transition: transform 0.1s, background 0.15s;
}
.btn-gold:hover { background: #FFC44E; transform: translateY(-1px); }

/* Related links box at the foot of a guide */
.related { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin: 32px 0 0; }
.related h3 { font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--gold-dark); font-weight: 600; margin-bottom: 12px; }
.related ul { padding-left: 18px; margin: 0; }
.related li { margin-bottom: 6px; }
.related a { color: var(--navy); }

/* Industry / pricing comparison split layouts */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 22px 0; }
.split .col { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.split .col h3 { margin-top: 0; }
.split .col.bad { border-top: 3px solid var(--danger); }
.split .col.good { border-top: 3px solid var(--success); }

/* Hero card on industry pages */
.industry-hero {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px;
  align-items: center; padding: 48px 0 24px;
}
.industry-hero .lede { font-size: 17px; color: var(--text-mid); max-width: 520px; margin-bottom: 22px; line-height: 1.55; }
.industry-hero .savings-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 26px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.03), 0 8px 24px rgba(4,44,83,0.06);
}
.industry-hero .savings-card .label { font-size: 11px; color: var(--text-light); letter-spacing: 1.5px; text-transform: uppercase; }
.industry-hero .savings-card .big {
  font-family: 'Fraunces', Georgia, serif; font-weight: 500;
  font-size: 44px; color: var(--success); line-height: 1.1;
  margin: 6px 0 10px;
}
.industry-hero .savings-card .meta { font-size: 13px; color: var(--text-mid); }

/* Glossary */
.glossary { display: grid; gap: 14px; }
.glossary-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 22px; }
.glossary-item .term { font-family: 'Fraunces', Georgia, serif; font-weight: 500; font-size: 19px; color: var(--navy); margin-bottom: 2px; }
.glossary-item .also { font-size: 12px; color: var(--text-light); margin-bottom: 8px; }
.glossary-item p { color: var(--text-mid); font-size: 15px; margin-bottom: 8px; }
.glossary-item .tip { font-size: 13px; color: var(--text-mid); padding-top: 8px; border-top: 1px dashed var(--border); }
.glossary-item .tip strong { color: var(--navy); }
.glossary-letter { font-family: 'Fraunces', Georgia, serif; font-size: 22px; color: var(--gold-dark); margin: 32px 0 12px; }

/* Founder bios */
.founders { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin: 24px 0 8px; }
.founder { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.founder-avatar { width: 72px; height: 72px; border-radius: 50%; background: var(--navy); color: var(--gold); display: flex; align-items: center; justify-content: center; font-family: 'Fraunces', serif; font-size: 24px; font-weight: 600; margin-bottom: 14px; }
.founder h3 { font-family: 'Inter', sans-serif; font-weight: 600; font-size: 18px; color: var(--navy); margin: 0 0 4px; }
.founder .role { font-size: 12px; color: var(--gold-dark); letter-spacing: 1.2px; text-transform: uppercase; margin-bottom: 12px; }
.founder p { font-size: 14px; color: var(--text-mid); line-height: 1.6; margin-bottom: 10px; }
.founder .contact { font-size: 13px; color: var(--text-mid); }
.founder .contact a { color: var(--navy); }

/* Footer */
.footer { background: #021A33; color: var(--navy-light); padding: 40px 0 24px; font-size: 13px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 28px; }
.footer-grid h4 { font-size: 12px; color: white; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 12px; }
.footer-grid a { display: block; color: var(--navy-light); padding: 4px 0; transition: color 0.15s; text-decoration: none; }
.footer-grid a:hover { color: var(--gold); }
.footer-grid p { color: var(--navy-light); font-size: 12px; line-height: 1.6; margin-bottom: 8px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 12px; }

@media (max-width: 860px) {
  .nav-links a:not(.nav-cta):not(.logo-link) { display: none; }
  .split, .industry-hero, .founders { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .page-head { padding: 36px 0 20px; }
  .body h2 { margin: 36px 0 12px; }
}