/* ==========================================================================
   Meridian Standards Group — Stylesheet
   Design language: the audit-document. Clause numbers, hairline rules,
   a surveyor's meridian line, and a certification seal motif.
   ========================================================================== */

:root{
  /* --- Color tokens --- */
  --ink:        #16233B;   /* primary text / deep navy ink */
  --ink-soft:   #2B3B54;
  --paper:      #F6F5F0;   /* page background, cool paper */
  --paper-alt:  #ECE8DE;   /* section alt background */
  --paper-deep: #E3DED0;
  --slate:      #5B6472;   /* secondary text */
  --slate-light:#8991A0;
  --line:       #D9D5C8;   /* hairline rule */
  --line-dark:  #C6C0AE;
  --brass:      #A8823D;   /* seal / certification accent */
  --brass-deep: #7E5E29;
  --brass-tint: #F1E6CE;
  --forest:     #3C5A45;   /* accreditation green, used sparingly */
  --white:      #FFFFFF;

  /* --- Type --- */
  --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;

  /* --- Layout --- */
  --maxw: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 2px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
button{ font-family: inherit; }

h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.5em;
  color: var(--ink);
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.5rem, 5vw, 4.1rem); font-weight: 500; }
h2{ font-size: clamp(1.9rem, 3.4vw, 2.65rem); }
h3{ font-size: clamp(1.25rem, 2vw, 1.5rem); }
p{ margin: 0 0 1em; color: var(--slate); }

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass-deep);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before{
  content: "";
  width: 22px;
  height: 1px;
  background: var(--brass-deep);
  display: inline-block;
}

.container{
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.visually-hidden{
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

:focus-visible{
  outline: 2px solid var(--brass-deep);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------
   Meridian rule — the signature divider element
   -------------------------------------------------------------------- */
.meridian{
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--brass-deep);
  margin: 0 0 40px;
}
.meridian::before, .meridian::after{
  content: "";
  height: 1px;
  background: var(--line-dark);
  flex: 1;
}
.meridian span{
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}
.meridian.center::before{ flex: 0 0 40px; }
.meridian.center::after{ flex: 0 0 40px; }

hr.rule{
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* --------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn-primary{
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover{ background: var(--brass-deep); transform: translateY(-1px); }
.btn-outline{
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-outline:hover{ background: var(--ink); color: var(--paper); }
.btn-brass{
  background: var(--brass);
  color: var(--white);
}
.btn-brass:hover{ background: var(--brass-deep); transform: translateY(-1px); }
.btn-arrow{ transition: transform .18s ease; }
.btn:hover .btn-arrow{ transform: translateX(3px); }

/* --------------------------------------------------------------------
   Header / Nav
   -------------------------------------------------------------------- */
.topbar{
  background: var(--ink);
  color: var(--paper-alt);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}
.topbar .container{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 9px;
  padding-bottom: 9px;
  flex-wrap: wrap;
  gap: 6px;
}
.topbar a{ color: var(--brass-tint); }
.topbar a:hover{ text-decoration: underline; }
.topbar-links{ display: flex; gap: 22px; }

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 245, 240, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo{
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}
.logo .mark{ color: var(--brass); }
.logo small{
  display: block;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  color: var(--slate);
  font-weight: 400;
  margin-top: 2px;
}

.main-nav{ display: flex; align-items: center; gap: 40px; }
.nav-links{ display: flex; gap: 32px; }
.nav-links a{
  font-size: 0.92rem;
  color: var(--ink-soft);
  position: relative;
  padding: 6px 0;
}
.nav-links a::after{
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--brass-deep);
  transition: right .2s ease;
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after{ right: 0; }
.nav-links a[aria-current="page"]{ color: var(--ink); }

.nav-cta{ display: flex; align-items: center; gap: 18px; }

.nav-toggle{
  display: none;
  background: none;
  border: 1px solid var(--ink);
  width: 42px; height: 38px;
  border-radius: var(--radius);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle svg{ width: 20px; height: 20px; }

/* --------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------- */
.hero{
  padding: 88px 0 96px;
  position: relative;
  overflow: hidden;
}
.hero .container{
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}
.hero h1{ margin-bottom: 22px; }
.hero .lede{
  font-size: 1.12rem;
  max-width: 46ch;
  margin-bottom: 34px;
}
.hero-actions{ display: flex; gap: 16px; flex-wrap: wrap; }

.seal-wrap{
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.seal{ width: min(340px, 100%); height: auto; }
.seal .ring{ fill: none; stroke: var(--brass-deep); }
.seal .ring-soft{ fill: none; stroke: var(--line-dark); }
.seal text{
  font-family: var(--font-mono);
  fill: var(--ink);
}
.seal .num{ font-family: var(--font-display); fill: var(--ink); font-weight: 600; }

/* --------------------------------------------------------------------
   Section scaffolding
   -------------------------------------------------------------------- */
section{ padding: 96px 0; }
.section-alt{ background: var(--paper-alt); }
.section-head{
  max-width: 62ch;
  margin-bottom: 56px;
}
.section-head.center{ margin-left: auto; margin-right: auto; text-align: center; }

/* Trust strip */
.trust-strip{
  padding: 34px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.trust-strip .container{
  display: flex;
  flex-wrap: wrap;
  gap: 28px 44px;
  justify-content: space-between;
  align-items: center;
}
.trust-item{
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  white-space: nowrap;
}
.trust-item .n{
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--brass-deep);
}

/* --------------------------------------------------------------------
   Pillars (Consulting / Auditing / Training)
   -------------------------------------------------------------------- */
.pillars{
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.pillar{
  background: var(--paper);
  padding: 44px 40px;
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 28px;
}
.pillar-clause{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--brass-deep);
  padding-top: 6px;
}
.pillar-clause .big{
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--line-dark);
  line-height: 1;
  margin-bottom: 8px;
}
.pillar h3{ margin-bottom: 10px; }
.pillar .tag-list{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 20px;
}
.tag{
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  padding: 5px 10px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  color: var(--ink-soft);
}
.pillar-link{
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--brass-deep);
  padding-bottom: 3px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* --------------------------------------------------------------------
   Standards grid (ISO cards)
   -------------------------------------------------------------------- */
.standards-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.standard-card{
  background: var(--paper);
  padding: 30px 26px;
  transition: background .18s ease;
}
.standard-card:hover{ background: var(--paper-alt); }
.standard-card .code{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--brass-deep);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  display: block;
}
.standard-card h4{
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 8px;
}
.standard-card p{ font-size: 0.92rem; margin-bottom: 0; }

/* --------------------------------------------------------------------
   Process steps
   -------------------------------------------------------------------- */
.process{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.process::before{
  content: "";
  position: absolute;
  top: 22px; left: 0; right: 0;
  height: 1px;
  background: var(--line-dark);
}
.step{ padding: 0 26px 0 0; position: relative; }
.step:first-child{ padding-left: 0; }
.step .step-num{
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--brass-deep);
  color: var(--brass-deep);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  position: relative;
  z-index: 1;
}
.step h4{ font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 8px; }
.step p{ font-size: 0.92rem; }

/* --------------------------------------------------------------------
   Why-us / feature list
   -------------------------------------------------------------------- */
.feature-list{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.feature{
  background: var(--paper);
  padding: 36px;
}
.feature .eyebrow{ margin-bottom: 12px; }
.feature h3{ font-size: 1.2rem; margin-bottom: 10px; }
.feature p{ font-size: 0.95rem; margin-bottom: 0; }

/* --------------------------------------------------------------------
   Testimonials
   -------------------------------------------------------------------- */
.quote-strip{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.quote-card{
  background: var(--paper);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
}
.quote-card blockquote{
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-size: 1.08rem;
  line-height: 1.5;
  color: var(--ink);
}
.quote-card cite{
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--slate);
  letter-spacing: 0.03em;
  margin-top: auto;
}
.quote-card cite b{ color: var(--ink-soft); font-weight: 600; }

/* --------------------------------------------------------------------
   CTA band
   -------------------------------------------------------------------- */
.cta-band{
  background: var(--ink);
  color: var(--paper);
  padding: 84px 0;
}
.cta-band .container{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-band h2{ color: var(--paper); margin-bottom: 10px; }
.cta-band p{ color: var(--paper-alt); margin-bottom: 0; max-width: 44ch; }
.cta-band .eyebrow{ color: var(--brass-tint); }
.cta-band .eyebrow::before{ background: var(--brass-tint); }

/* --------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------- */
.site-footer{
  background: var(--ink);
  color: var(--paper-alt);
  padding: 72px 0 28px;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(246,245,240,0.14);
}
.footer-brand .logo{ color: var(--paper); margin-bottom: 14px; }
.footer-brand p{ color: var(--slate-light); font-size: 0.9rem; max-width: 32ch; }
.footer-col h5{
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass-tint);
  margin: 0 0 18px;
}
.footer-col ul{ display: flex; flex-direction: column; gap: 11px; }
.footer-col a{ font-size: 0.88rem; color: var(--paper-alt); }
.footer-col a:hover{ color: var(--brass-tint); }
.footer-bottom{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 26px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--slate-light);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom .legal-links{ display: flex; gap: 20px; }
.footer-bottom a:hover{ color: var(--brass-tint); }

/* --------------------------------------------------------------------
   Page hero (inner pages)
   -------------------------------------------------------------------- */
.page-hero{
  padding: 64px 0 72px;
  border-bottom: 1px solid var(--line);
}
.page-hero .container{
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: end;
}
.page-hero .lede{ max-width: 58ch; font-size: 1.05rem; }
.breadcrumb{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--slate);
  margin-bottom: 20px;
}
.breadcrumb a{ color: var(--slate); }
.breadcrumb a:hover{ color: var(--brass-deep); }
.page-hero-meta{
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--slate);
  line-height: 1.9;
}
.page-hero-meta strong{ color: var(--ink); display:block; font-size: 0.8rem;}

/* Two column detail block */
.detail-split{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.detail-split .col-list{ display:flex; flex-direction:column; gap: 22px; }
.check-item{ display:flex; gap: 16px; }
.check-item .mk{
  width: 22px; height: 22px;
  border: 1px solid var(--brass-deep);
  border-radius: 50%;
  flex: none;
  display:flex; align-items:center; justify-content:center;
  margin-top: 2px;
}
.check-item .mk svg{ width: 11px; height: 11px; }
.check-item h4{ font-size: 1rem; margin-bottom: 4px; font-family: var(--font-body); font-weight: 600; }
.check-item p{ font-size: 0.9rem; margin-bottom: 0; }

/* Contact page */
.contact-grid{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}
.info-card{
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.info-card:first-child{ border-top: none; padding-top: 0; }
.info-card h4{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass-deep);
  margin-bottom: 10px;
  font-weight: 500;
}
.info-card p, .info-card a{ font-size: 0.98rem; color: var(--ink-soft); margin-bottom: 4px; }

.form-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-grid .full{ grid-column: 1 / -1; }
.field label{
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 8px;
}
.field input, .field select, .field textarea{
  width: 100%;
  border: 1px solid var(--line-dark);
  background: var(--white);
  padding: 13px 14px;
  font-family: var(--font-body);
  font-size: 0.96rem;
  color: var(--ink);
  border-radius: var(--radius);
}
.field textarea{ resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline: none;
  border-color: var(--brass-deep);
  box-shadow: 0 0 0 3px rgba(168,130,61,0.15);
}
.form-note{ font-size: 0.82rem; color: var(--slate-light); margin-top: 16px; }

.map-block{
  border: 1px solid var(--line);
  aspect-ratio: 16/10;
  background: var(--paper-alt);
  display:flex; align-items:center; justify-content:center;
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-align: center;
  padding: 20px;
  margin-top: 28px;
}

/* Scroll reveal */
.reveal{ opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity: 1; transform: none; }

/* --------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------- */
@media (max-width: 980px){
  .hero .container{ grid-template-columns: 1fr; }
  .seal-wrap{ order: -1; }
  .seal{ width: 220px; }
  .feature-list{ grid-template-columns: 1fr; }
  .quote-strip{ grid-template-columns: 1fr; }
  .process{ grid-template-columns: repeat(2, 1fr); gap: 40px 0; }
  .process::before{ display:none; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .detail-split{ grid-template-columns: 1fr; gap: 44px; }
  .contact-grid{ grid-template-columns: 1fr; gap: 44px; }
  .page-hero .container{ grid-template-columns: 1fr; align-items:start; }
  .page-hero-meta{ text-align: left; }
}

@media (max-width: 760px){
  .nav-links, .nav-cta .btn-outline{ display: none; }
  .nav-toggle{ display: flex; }
  .main-nav{ gap: 14px; }
  body.nav-open .nav-links{
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 20px var(--gutter) 28px;
    gap: 18px;
  }
  .pillar{ grid-template-columns: 1fr; }
  .pillar-clause{ display:flex; align-items:center; gap:10px; }
  .pillar-clause .big{ margin-bottom:0; }
  .feature-list, .quote-strip{ grid-template-columns: 1fr; }
  .process{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; gap: 32px 24px; }
  .form-grid{ grid-template-columns: 1fr; }
  .cta-band .container{ flex-direction: column; align-items: flex-start; }
  .topbar-links{ gap: 14px; }
}

@media (max-width: 480px){
  .footer-grid{ grid-template-columns: 1fr; }
  .footer-bottom{ flex-direction: column; align-items: flex-start; }
}