/* =====================================================================
   NXG Consulting — design tokens
   Extracted from the approved comp (Direction B) per Build Handoff
   Addendum §2. Every colour and size in this sheet derives from a
   token below — no hardcoded hex or magic numbers in component rules.
   ===================================================================== */
:root{
  /* colour */
  --ground:        #ebe7e3;
  --ground-alt:     #e0dbd4;
  --ground-panel:   #f2efe9;
  --ink:            #151311;
  --ink-body:       #2b2723;
  --ink-muted:      #5b5752;
  --rule:           #b3ada3; /* darkened from comp's #c2bdb5 — addendum §2, ~2.0:1 structural hairline */
  --rule-light:     #ddd7cf;
  --accent:         #00563b;
  --accent-on-dark: #3f8f6f;
  --on-accent:      #ebe7e3;
  --on-dark:        #ebe7e3;
  --on-dark-muted:  #a9a49d;
  --on-dark-rule:   #423d37;

  /* type */
  --font-display: 'Bitter', Georgia, serif;
  --font-body:    'IBM Plex Sans', -apple-system, Segoe UI, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --h1-size: clamp(30px, 4.2vw, 46px);
  --h1-leading: 1.18;
  --h2-size: 26px;
  --h3-size: 18px;
  --body-size: 16px;
  --body-leading: 1.6;
  --small-size: 13px;
  --mono-label-size: 12px;
  --mono-label-tracking: 0.1em;

  /* layout */
  --content-max: 1120px;
  --content-pad: 24px;
  --section-pad-y: 64px;
  --focus-ring: 2px solid var(--accent);
}

/* =====================================================================
   Reset
   ===================================================================== */
*, *::before, *::after{ box-sizing: border-box; }
html{ -webkit-text-size-adjust: 100%; }
body{ margin: 0; }
img, svg{ max-width: 100%; display: block; }
h1, h2, h3, p, ul, ol, dl, dd{ margin: 0; }
ul, ol{ padding: 0; list-style: none; }
button{ font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, select, textarea{ font: inherit; color: inherit; }
a{ color: var(--accent); }
a:hover{ color: var(--ink); }
::selection{ background: rgba(0,86,59,0.15); }

body{
  background: var(--ground);
  color: var(--ink-body);
  font-family: var(--font-body);
  font-size: var(--body-size);
  line-height: var(--body-leading);
  min-height: 100vh;
}

:focus-visible{ outline: var(--focus-ring); outline-offset: 2px; }
:focus:not(:focus-visible){ outline: none; }

h1, h2, h3{ font-family: var(--font-display); color: var(--ink); font-weight: 600; }
h1{ font-size: var(--h1-size); line-height: var(--h1-leading); }
h2{ font-size: var(--h2-size); line-height: 1.25; }
h3{ font-size: var(--h3-size); line-height: 1.3; }

/* =====================================================================
   Skip link
   ===================================================================== */
.skip-link{
  position: absolute;
  left: 16px;
  top: -60px;
  background: var(--ink);
  color: var(--ground);
  font-family: var(--font-mono);
  font-size: var(--small-size);
  letter-spacing: 0.06em;
  padding: 12px 18px;
  z-index: 100;
  transition: top 0.15s ease;
}
.skip-link:focus{ top: 16px; }

/* =====================================================================
   Layout helpers
   ===================================================================== */
.wrap{ max-width: var(--content-max); margin: 0 auto; padding-left: var(--content-pad); padding-right: var(--content-pad); }
.section{ padding-top: var(--section-pad-y); padding-bottom: var(--section-pad-y); }
.section-band{ background: var(--ground-alt); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.section-dark{ background: var(--ink); color: var(--on-dark); }
.eyebrow{
  font-family: var(--font-mono);
  font-size: var(--mono-label-size);
  letter-spacing: var(--mono-label-tracking);
  color: var(--ink-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-dark .eyebrow{ color: var(--on-dark-muted); }
.section-head{ margin-bottom: 30px; }
.section-head h2{ margin-top: 0; }
.lede{ font-size: 17px; line-height: 1.6; max-width: 640px; }

/* =====================================================================
   Buttons / CTAs
   ===================================================================== */
.btn{
  display: inline-block;
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 14px 22px;
  text-decoration: none;
  border: 1px solid var(--accent);
}
.btn:hover{ background: var(--ink); border-color: var(--ink); color: var(--ground); }
.btn:focus-visible{ outline: var(--focus-ring); outline-offset: 3px; }
.section-dark .btn:hover{ background: var(--ground); border-color: var(--ground); color: var(--ink); }

.btn-quiet{
  color: var(--accent);
  font-size: 15px;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.section-dark .btn-quiet{ color: var(--accent-on-dark); }

.btn[disabled]{ opacity: 0.6; cursor: progress; }

/* =====================================================================
   Header / nav
   ===================================================================== */
.site-header{
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 28px 24px 0;
  display: flex;
  align-items: center;
  gap: 14px;
}
.wordmark{ display: flex; align-items: center; gap: 14px; text-decoration: none; }
.wordmark:hover{ color: inherit; }
.wordmark svg{ flex-shrink: 0; }
.wordmark-label{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
}

.primary-nav{ margin-left: auto; display: flex; align-items: center; gap: 28px; }
.primary-nav ul{ display: flex; align-items: center; gap: 24px; }
.primary-nav a{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-muted);
  padding: 4px 2px;
  border-bottom: 1px solid transparent;
}
.primary-nav a:hover,
.primary-nav a[aria-current="page"]{
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.primary-nav .btn{ font-size: 12px; padding: 11px 16px; }

.nav-toggle{
  display: none;
  margin-left: auto;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 8px 4px;
}
.nav-toggle .bars{ display: block; width: 20px; height: 14px; position: relative; }
.nav-toggle .bars::before,
.nav-toggle .bars::after,
.nav-toggle .bars span{
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: var(--ink);
}
.nav-toggle .bars::before{ top: 0; }
.nav-toggle .bars span{ top: 6px; }
.nav-toggle .bars::after{ top: 12px; }

@media (max-width: 760px){
  .nav-toggle{ display: inline-flex; }
  .primary-nav{
    display: none;
    position: absolute;
    left: 0; right: 0;
    top: 100%;
    margin: 0;
    background: var(--ground-panel);
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    padding: 20px 24px 26px;
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
    z-index: 50;
  }
  .primary-nav[data-open="true"]{ display: flex; }
  .primary-nav ul{ flex-direction: column; align-items: flex-start; gap: 16px; }
  .primary-nav .btn{ align-self: flex-start; }
  .site-header{ position: relative; flex-wrap: wrap; padding-bottom: 20px; }
}

/* =====================================================================
   Hero
   ===================================================================== */
.hero{
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: center;
  padding-top: 64px;
  padding-bottom: 56px;
}
.hero h1{ margin: 0 0 22px; }
.hero .lede{ color: var(--ink-body); margin-bottom: 30px; }
.hero-actions{ display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }

.register{
  border: 1px solid var(--rule);
  background: var(--ground-panel);
}
.register-head{
  display: flex;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}
.register-row{
  display: grid;
  grid-template-columns: 1fr 1fr 90px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--rule-light);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-body);
}
.register-row:last-child{ border-bottom: none; }
.register-row .status{ color: var(--accent); }
.register-row .status.status-review{ color: var(--ink-muted); }
.register-row .kind{ color: var(--ink-muted); }

@media (max-width: 900px){
  .hero{ grid-template-columns: 1fr; }
}

/* =====================================================================
   Credibility strip
   ===================================================================== */
.credibility-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.credibility-item{
  padding: 26px 20px;
  border-right: 1px solid var(--rule);
}
.credibility-item:last-child{ border-right: none; }
.credibility-figure{ font-family: var(--font-display); font-weight: 700; font-size: 30px; color: var(--accent); }
.credibility-caption{ font-size: var(--small-size); color: var(--ink-body); margin-top: 4px; line-height: 1.4; }
.credibility-foot{ padding: 14px 20px 20px; font-size: var(--small-size); color: var(--ink-muted); }

@media (max-width: 700px){
  .credibility-grid{ grid-template-columns: 1fr; }
  .credibility-item{ border-right: none; border-bottom: 1px solid var(--rule); }
  .credibility-item:last-child{ border-bottom: none; }
}

/* =====================================================================
   What we do — service grid
   ===================================================================== */
.service-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.service-card{ background: var(--ground); padding: 26px; text-decoration: none; display: block; }
.service-card:hover{ background: var(--ground-panel); }
.service-card h3{ margin: 0 0 8px; }
.service-card p{ font-size: 14.5px; line-height: 1.55; color: var(--ink-body); }

@media (max-width: 700px){
  .service-grid{ grid-template-columns: 1fr; }
}

/* =====================================================================
   Outcomes ledger
   ===================================================================== */
.outcomes-list{ display: flex; flex-direction: column; }
.outcome-row{
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-top: 1px solid var(--rule);
}
.outcomes-list .outcome-row:last-child{ border-bottom: 1px solid var(--rule); }
.outcome-figure{ font-family: var(--font-display); font-weight: 700; font-size: 22px; color: var(--accent); }
.outcome-row p{ font-size: 15px; line-height: 1.6; }

@media (max-width: 700px){
  .outcome-row{ grid-template-columns: 1fr; gap: 8px; }
}

/* =====================================================================
   Engagement rows ("How we engage")
   ===================================================================== */
.engage-list{ display: flex; flex-direction: column; }
.engage-row{
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
}
.engage-list .engage-row:last-child{ border-bottom: 1px solid var(--rule); }
.engage-row h3{ margin: 0; }
.engage-row p{ font-size: 14.5px; line-height: 1.6; }

@media (max-width: 700px){
  .engage-row{ grid-template-columns: 1fr; gap: 8px; }
}

/* =====================================================================
   Closing CTA
   ===================================================================== */
.closing{ }
.closing-inner{ max-width: 760px; margin: 0 auto; padding: 72px 24px; text-align: left; }
.closing-inner p{ font-family: var(--font-display); font-size: 20px; line-height: 1.55; margin: 0 0 28px; color: var(--on-dark); }
.closing-inner .fine{ font-size: var(--small-size); color: var(--on-dark-muted); margin-top: 18px; }

/* =====================================================================
   Footer
   ===================================================================== */
.site-footer{ border-top: 1px solid var(--rule); }
.footer-meta{
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  font-family: var(--font-mono);
  font-size: var(--mono-label-size);
  color: var(--ink-muted);
}
.footer-meta a{ color: var(--ink-muted); }
.footer-meta a:hover{ color: var(--accent); }
.footer-mark{ display: flex; align-items: center; }
.footer-legal{
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px 28px;
  font-family: var(--font-mono);
  font-size: var(--mono-label-size);
  color: var(--ink-muted);
  line-height: 1.5;
}

/* =====================================================================
   Page hero (interior pages)
   ===================================================================== */
.page-hero{ padding-top: 56px; padding-bottom: 40px; }
.page-hero h1{ margin: 0 0 16px; }
.page-hero .lede{ color: var(--ink-body); }

/* =====================================================================
   Service detail sections (services.html)
   ===================================================================== */
.service-detail{ padding-top: 48px; padding-bottom: 48px; border-top: 1px solid var(--rule); }
.service-detail:first-of-type{ border-top: none; }
.service-detail-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.service-detail h3{ font-size: 22px; margin-bottom: 14px; }
.service-detail .intent{ font-size: 15.5px; line-height: 1.65; margin-bottom: 20px; }
.service-detail dl{ display: grid; grid-template-columns: 100px 1fr; gap: 8px 16px; font-size: 14px; }
.service-detail dt{ font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; color: var(--ink-muted); text-transform: uppercase; padding-top: 3px; }
.service-detail dd{ line-height: 1.6; }
.service-detail .engagement-list{ margin: 0; }
.service-detail .engagement-list li{ position: relative; padding-left: 16px; margin-bottom: 8px; line-height: 1.55; font-size: 14.5px; }
.service-detail .engagement-list li::before{ content: "—"; position: absolute; left: 0; color: var(--rule); }
.service-note{
  margin-top: 18px;
  padding: 14px 16px;
  background: var(--ground-panel);
  border: 1px solid var(--rule);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-body);
}

@media (max-width: 700px){
  .service-detail-grid{ grid-template-columns: 1fr; gap: 20px; }
}

/* =====================================================================
   Experience — ledger / timeline (experience.html)
   ===================================================================== */
.ledger-group{ padding: 36px 0; border-top: 1px solid var(--rule); }
.ledger-group:last-of-type{ border-bottom: 1px solid var(--rule); }
.ledger-group-head{
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  margin-bottom: 18px;
}
.ledger-period{ font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; color: var(--accent); text-transform: uppercase; }
.ledger-group h3{ margin: 0; }
.ledger-items{ display: grid; grid-template-columns: 200px 1fr; gap: 24px; }
.ledger-items > div:first-child{ display: none; }
.ledger-list{ margin: 0; }
.ledger-list li{ position: relative; padding-left: 16px; margin-bottom: 10px; line-height: 1.6; font-size: 14.5px; color: var(--ink-body); }
.ledger-list li::before{ content: "—"; position: absolute; left: 0; color: var(--rule); }

@media (max-width: 700px){
  .ledger-group-head, .ledger-items{ grid-template-columns: 1fr; gap: 8px; }
}

.coverage-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 8px; }
.coverage-block h3{ font-size: 15px; margin-bottom: 12px; }
.coverage-tags{ display: flex; flex-wrap: wrap; gap: 8px; }
.coverage-tags li{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--ink-body);
  background: var(--ground-panel);
  border: 1px solid var(--rule);
  padding: 6px 10px;
}
@media (max-width: 700px){
  .coverage-grid{ grid-template-columns: 1fr; gap: 28px; }
}

/* =====================================================================
   About page
   ===================================================================== */
.about-grid{ display: grid; grid-template-columns: 1fr 260px; gap: 56px; align-items: start; }
.portrait{
  border: 1px solid var(--rule);
  background: var(--ground-panel);
  aspect-ratio: 3/4;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  text-align: center;
  padding: 16px;
}
.bio p{ margin-bottom: 16px; font-size: 15.5px; line-height: 1.65; }
.bio p:last-child{ margin-bottom: 0; }

@media (max-width: 800px){
  .about-grid{ grid-template-columns: 1fr; }
  .portrait{ aspect-ratio: 16/9; max-width: 320px; }
}

.clearance-panel{
  border: 1px solid var(--rule);
  background: var(--ground-panel);
  padding: 24px 26px;
  margin-top: 8px;
}
.clearance-badge{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 4px 10px;
  margin-bottom: 12px;
}
.clearance-panel p{ font-size: 14.5px; line-height: 1.6; }

.credential-list{ margin: 0; }
.credential-list li{
  padding: 14px 0;
  border-top: 1px solid var(--rule-light);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.5;
  align-items: baseline;
}
.credential-list li:first-child{ border-top: none; }
.credential-tag{ font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.06em; color: var(--ink-muted); text-transform: uppercase; white-space: nowrap; }

@media (max-width: 500px){
  .credential-list li{ grid-template-columns: 1fr; gap: 4px; }
  .credential-tag{ white-space: normal; }
}

.principles-list{ display: grid; gap: 22px; }
.principles-list li{ padding-left: 0; }
.principles-list .num{ font-family: var(--font-mono); font-size: 12px; color: var(--accent); margin-bottom: 6px; display: block; }
.principles-list h3{ font-size: 16px; margin-bottom: 6px; }
.principles-list p{ font-size: 14.5px; line-height: 1.6; }

/* =====================================================================
   Contact page
   ===================================================================== */
.contact-grid{ display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 800px){
  .contact-grid{ grid-template-columns: 1fr; }
}

.field{ margin-bottom: 20px; }
.field label{
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 8px;
}
.field input,
.field select,
.field textarea{
  width: 100%;
  background: var(--ground-panel);
  border: 1px solid var(--rule);
  padding: 12px 14px;
  font-size: 15px;
  color: var(--ink);
}
.field textarea{ min-height: 130px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus{ outline: var(--focus-ring); outline-offset: 1px; }
.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"]{ border-color: #9c3b2e; }
.field-error{ font-size: 12.5px; color: #9c3b2e; margin-top: 6px; display: none; }
.field-error:not(:empty){ display: block; }

.consent-field{ display: flex; align-items: flex-start; gap: 10px; margin-bottom: 26px; }
.consent-field input{ margin-top: 4px; width: auto; }
.consent-field label{ font-family: var(--font-body); font-size: 13.5px; text-transform: none; letter-spacing: normal; color: var(--ink-body); }

.honeypot-field{ position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-status{ font-size: 14px; margin-top: 14px; }
.form-status[data-state="error"]{ color: #9c3b2e; }
.form-status[data-state="success"]{ color: var(--accent); }

.form-success{
  border: 1px solid var(--rule);
  background: var(--ground-panel);
  padding: 28px;
}
.form-success h3{ margin-bottom: 10px; }
.form-success p{ font-size: 14.5px; line-height: 1.6; }

.contact-details dt{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 20px;
}
.contact-details dt:first-child{ margin-top: 0; }
.contact-details dd{ font-size: 15px; margin: 4px 0 0; }
.contact-note{
  margin-top: 30px;
  padding: 18px 20px;
  border: 1px solid var(--rule);
  background: var(--ground-panel);
  font-size: 13.5px;
  line-height: 1.6;
}

/* =====================================================================
   Privacy page
   ===================================================================== */
.prose{ max-width: 720px; }
.prose h2{ font-size: 20px; margin-top: 40px; margin-bottom: 12px; }
.prose h2:first-child{ margin-top: 0; }
.prose p{ font-size: 15px; line-height: 1.65; margin-bottom: 14px; }
.prose ul{ margin-bottom: 14px; }
.prose li{ position: relative; padding-left: 18px; margin-bottom: 8px; font-size: 15px; line-height: 1.6; }
.prose li::before{ content: "—"; position: absolute; left: 0; color: var(--rule); }

/* =====================================================================
   Logo mark motion (seal-in, once, on load)
   ===================================================================== */
@keyframes seal-in{
  0%{ transform: scale(0); opacity: 0; }
  60%{ transform: scale(1.25); opacity: 1; }
  100%{ transform: scale(1); opacity: 1; }
}
#seal-stamp{ transform-origin: 40px 50px; animation: seal-in 0.7s cubic-bezier(.2,.9,.3,1.1) 0.15s both; }
@media (prefers-reduced-motion: reduce){
  #seal-stamp{ animation: none; }
}