:root {
  --ink:        #1B1F23;
  --ink-soft:   #4A5158;
  --paper:      #F5F6F3;
  --paper-alt:  #EAEDE8;
  --card:       #FFFFFF;
  --steel:      #33465A;
  --steel-dark: #212E3B;
  --amber:      #E8A33D;
  --amber-dark: #C67F1D;
  --route:      #4F7A68;
  --border:     #DBDFD9;
  --radius:     10px;

  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:    'Inter', 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .display-font {
  font-family: var(--font-display);
  color: var(--steel-dark);
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4vw, 3.2rem); line-height: 1.1; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 1rem; }
h3 { font-size: 1.3rem; }

a { color: var(--steel); text-decoration: none; }
a:hover { color: var(--amber-dark); }

.text-amber { color: var(--amber-dark); }
.bg-paper-alt { background: var(--paper-alt); }

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar-cf {
  background: var(--paper);
  border-bottom: 1px solid var(--border);
  padding: .9rem 0;
}
.navbar-cf .brand-mark {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--steel-dark);
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.navbar-cf .brand-mark .plate-chip {
  background: var(--steel-dark);
  color: var(--paper);
  font-size: .65rem;
  padding: .15rem .4rem;
  border-radius: 4px;
  letter-spacing: .08em;
}
.navbar-cf .nav-link {
  color: var(--ink-soft);
  font-weight: 500;
  padding: .5rem 1rem !important;
}
.navbar-cf .nav-link.active,
.navbar-cf .nav-link:hover { color: var(--steel-dark); }

/* ==========================================================================
   Signature element: the "plate divider" — a stamped VIN-plate eyebrow
   used above section headings throughout the site.
   ========================================================================== */
.plate-divider {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel);
  padding: .35rem .9rem;
  border-top: 1px solid var(--steel);
  border-bottom: 1px solid var(--steel);
  position: relative;
  margin-bottom: 1rem;
}
.plate-divider::before,
.plate-divider::after {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--amber);
  flex-shrink: 0;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  background: var(--steel-dark);
  color: var(--paper);
  padding: 5rem 0 4.5rem;
  position: relative;
  overflow: hidden;
}
.hero h1 { color: #FFFFFF; }
.hero .plate-divider { color: var(--amber); border-color: rgba(232,163,61,.5); }
.hero-lead {
  color: #C9D2D8;
  font-size: 1.1rem;
  max-width: 46ch;
}

.report-card__note {
  margin: 1rem 0 0;
  font-family: var(--font-body);
  font-size: .78rem;
  color: var(--ink-soft);
  border-top: 1px dashed var(--border);
  padding-top: .75rem;
}
.guide-toc {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.75rem;
  margin-top: 1.75rem;
}
.guide-toc a {
  color: #C9D2D8;               /* same light tone as .hero-lead, readable on --steel-dark */
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding-bottom: .25rem;
  border-bottom: 1px solid rgba(201, 210, 216, .25);
  transition: color .15s ease, border-color .15s ease;
}
.guide-toc a:hover {
  color: var(--amber);
  border-color: var(--amber);
}







.hero .btn-cf-primary { margin-top: .5rem; }

/* Report-card mockup illustration in hero */
.report-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.5rem;
  color: var(--ink);
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
  font-family: var(--font-mono);
  max-width: 380px;
}
.report-card__note {
  margin: 1rem 0 0;
  font-family: var(--font-body);
  font-size: .78rem;
  color: var(--ink-soft);
  border-top: 1px dashed var(--border);
  padding-top: .75rem;
}
.report-card .report-row {
  display: flex;
  justify-content: space-between;
  padding: .5rem 0;
  border-bottom: 1px dashed var(--border);
  font-size: .82rem;
}
.report-card .report-row:last-child { border-bottom: none; }
.report-card .report-title {
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: .75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.report-card .badge-ok {
  background: rgba(79,122,104,.12);
  color: var(--route);
  font-size: .68rem;
  padding: .2rem .5rem;
  border-radius: 4px;
  letter-spacing: .05em;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn-cf-primary {
  background: var(--amber);
  color: var(--steel-dark);
  border: none;
  font-weight: 600;
  padding: .7rem 1.5rem;
  border-radius: 6px;
  transition: background .15s ease, transform .15s ease;
}
.btn-cf-primary:hover { background: var(--amber-dark); color: var(--steel-dark); transform: translateY(-1px); }

.btn-cf-outline {
  background: transparent;
  color: var(--paper);
  border: 1px solid rgba(245,246,243,.4);
  font-weight: 600;
  padding: .7rem 1.5rem;
  border-radius: 6px;
}
.btn-cf-outline:hover { border-color: var(--paper); color: var(--paper); }

/* ==========================================================================
   Cards / sections
   ========================================================================== */
.section { padding: 4.5rem 0; }
.card-cf {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: box-shadow .15s ease, transform .15s ease;
}
.card-cf.h-equal {
  height: 100%;
}
.card-cf:hover { box-shadow: 0 12px 30px rgba(33,46,59,.08); transform: translateY(-2px); }
.card-cf .icon-chip {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--paper-alt);
  border-radius: 8px;
  color: var(--steel);
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-weight: 700;
}

/* Checklist */
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li {
  display: flex; gap: .65rem; align-items: flex-start;
  padding: .5rem 0; border-bottom: 1px solid var(--border);
}
.checklist li:last-child { border-bottom: none; }
.checklist li::before {
  content: '✓';
  color: var(--route);
  font-weight: 700;
  flex-shrink: 0;
}

/* ==========================================================================
   Blog
   ========================================================================== */
.post-card { display: flex; flex-direction: column; }
.post-card .plate-divider { font-size: .65rem; margin-bottom: .75rem; }
.post-card h3 a { color: var(--steel-dark); }
.post-card p { color: var(--ink-soft); }

article.post-body { font-size: 1.05rem; }
article.post-body h2 { margin-top: 2rem; }
article.post-body p { margin-bottom: 1.1rem; }

/* FAQ (AEO) */
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-family: var(--font-display);
  padding: 1rem 0;
  color: var(--steel-dark);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: var(--font-mono);
  color: var(--amber-dark);
}
.faq-item[open] summary::after { content: '−'; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item p { color: var(--ink-soft); padding-bottom: 1rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer-cf {
  background: var(--steel-dark);
  color: #B9C2C9;
  padding: 3rem 0 1.5rem;
  font-size: .92rem;
}
.footer-cf a { color: #D8DEE2; }
.footer-cf a:hover { color: var(--amber); }
.footer-cf .plate-divider { color: var(--amber); border-color: rgba(232,163,61,.4); }
.footer-disclaimer {
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 2rem;
  padding-top: 1.25rem;
  font-size: .8rem;
  color: #8A96A0;
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-cf label { font-weight: 600; font-size: .88rem; margin-bottom: .3rem; }
.form-cf .form-control {
  border-radius: 6px;
  border: 1px solid var(--border);
  padding: .65rem .8rem;
}
.form-cf .form-control:focus {
  border-color: var(--steel);
  box-shadow: 0 0 0 3px rgba(51,70,90,.12);
}

/* Admin */
.admin-shell { background: var(--paper-alt); min-height: 100vh; }
.admin-card { background: var(--card); border-radius: var(--radius); border: 1px solid var(--border); }
.table-admin th { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); }