/* ============================================================
   INFORMATION MEDIA PARTNERS — Design System
   A publishing-house masthead aesthetic: ink navy, antique brass,
   ledger-mark (barcode) motif drawn from the founder's ISBN roots.
   ============================================================ */

:root{
  /* --- Color tokens --- */
  --ink:        #0E1C31;   /* primary navy — headlines, nav, footer */
  --ink-2:      #16294A;   /* secondary navy — gradients, panels */
  --steel:      #43607F;   /* steel blue — secondary accents, links on dark */
  --brass:      #AD8331;   /* antique brass/gold — the one bright accent */
  --brass-light:#C9A45C;   /* brass tint for dark backgrounds */
  --paper:      #EFEBE0;   /* warm paper ivory — section backgrounds */
  --paper-2:    #E4DECC;   /* deeper paper — cards on paper bg */
  --paper-hi:   #F7F5EE;   /* near-white paper — cards on paper-2 */
  --charcoal:   #1B1E22;   /* body copy */
  --slate:      #5B6472;   /* secondary copy */
  --line:       rgba(14,28,49,0.14);
  --line-dark:  rgba(247,245,238,0.16);

  /* --- Type tokens --- */
  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-body:    'Inter', -apple-system, 'Segoe UI', sans-serif;
  --font-mono:    'IBM Plex Mono', 'SFMono-Regular', Menlo, monospace;

  /* --- Layout tokens --- */
  --maxw: 1220px;
  --pad: clamp(1.25rem, 4vw, 3.5rem);
  --radius: 2px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--charcoal);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:600; margin:0; color:var(--ink); letter-spacing:-0.01em; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

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

/* --- Eyebrow / mono labels --- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--brass);
  display:inline-flex;
  align-items:center;
  gap:0.6em;
}
.eyebrow--dark{ color:var(--brass-light); }
.eyebrow--ink{ color:var(--ink); opacity:0.65; }

/* ============================================================
   Ledger Mark — the signature motif (barcode drawn from ISBN work)
   ============================================================ */
.ledger{
  height:26px;
  width:180px;
  background-image:
    repeating-linear-gradient(90deg,
      currentColor 0px, currentColor 2px,
      transparent 2px, transparent 5px,
      currentColor 5px, currentColor 6px,
      transparent 6px, transparent 12px,
      currentColor 12px, currentColor 15px,
      transparent 15px, transparent 19px,
      currentColor 19px, currentColor 20px,
      transparent 20px, transparent 27px,
      currentColor 27px, currentColor 30px,
      transparent 30px, transparent 34px
    );
  color:var(--brass);
  opacity:0.9;
  flex:none;
}
.ledger--sm{ height:16px; width:64px; }
.ledger--rule{ height:3px; width:100%; opacity:0.5; }
.ledger--ghost{ color:var(--brass-light); opacity:0.14; }

.ledger-divider{
  display:flex; align-items:center; gap:1rem;
  margin: 0 0 2.5rem;
}
.ledger-divider .ledger{ width:100%; height:3px; }

/* ============================================================
   Header / Navigation
   ============================================================ */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(239,235,224,0.92);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:0.9rem; padding-bottom:0.9rem;
}
.nav-logo{ display:flex; align-items:center; gap:0.75rem; }
.nav-logo img{ height:38px; width:auto; }
.nav-links{ display:flex; align-items:center; gap:2.1rem; }
.nav-links a{
  font-family:var(--font-mono);
  font-size:0.76rem;
  letter-spacing:0.09em;
  text-transform:uppercase;
  color:var(--ink);
  opacity:0.72;
  position:relative;
  padding:0.3rem 0;
  transition:opacity .2s ease;
}
.nav-links a:hover{ opacity:1; }
.nav-links a::after{
  content:'';
  position:absolute; left:0; right:0; bottom:0;
  height:2px; background:var(--brass);
  transform:scaleX(0); transform-origin:left;
  transition:transform .25s ease;
}
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after{ transform:scaleX(1); }
.nav-links a[aria-current="page"]{ opacity:1; }

.nav-cta{
  font-family:var(--font-mono);
  font-size:0.74rem;
  letter-spacing:0.09em;
  text-transform:uppercase;
  background:var(--ink);
  color:var(--paper-hi);
  padding:0.65rem 1.15rem;
  border:1px solid var(--ink);
  white-space:nowrap;
  transition:background .2s ease, color .2s ease, border-color .2s ease;
}
.nav-cta:hover{ background:var(--brass); border-color:var(--brass); color:var(--ink); }

.nav-toggle{
  display:none;
  background:none; border:none; padding:0.4rem;
  flex-direction:column; gap:5px;
}
.nav-toggle span{ width:24px; height:2px; background:var(--ink); display:block; }

.mobile-panel{
  display:none;
  position:fixed; inset:0; z-index:200;
  background:var(--ink);
  padding:1.5rem var(--pad);
  flex-direction:column;
}
.mobile-panel.open{ display:flex; }
.mobile-panel .nav-logo img{ filter:none; }
.mobile-panel-top{ display:flex; align-items:center; justify-content:space-between; }
.mobile-panel-close{ background:none; border:none; color:var(--paper); font-size:1.6rem; line-height:1; }
.mobile-panel a{
  font-family:var(--font-display);
  font-size:2rem;
  color:var(--paper-hi);
  padding:0.65rem 0;
  border-bottom:1px solid var(--line-dark);
}
.mobile-panel-links{ display:flex; flex-direction:column; margin-top:2.5rem; }
.mobile-panel .nav-cta{ margin-top:2rem; align-self:flex-start; white-space:normal; text-align:center; }

@media (max-width:920px){
  .nav-links{ display:none; }
  .nav-cta.desktop-only{ display:none; }
  .nav-toggle{ display:flex; }
}

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  display:inline-flex; align-items:center; gap:0.6rem;
  font-family:var(--font-mono);
  font-size:0.78rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  padding:0.95rem 1.6rem;
  border:1px solid transparent;
  transition:all .22s ease;
}
.btn-primary{ background:var(--brass); color:var(--ink); border-color:var(--brass); }
.btn-primary:hover{ background:transparent; color:var(--brass-light); border-color:var(--brass-light); }
.btn-ghost-dark{ color:var(--paper-hi); border-color:var(--line-dark); }
.btn-ghost-dark:hover{ border-color:var(--brass-light); color:var(--brass-light); }
.btn-ghost-light{ color:var(--ink); border-color:var(--line); }
.btn-ghost-light:hover{ border-color:var(--ink); background:var(--ink); color:var(--paper-hi); }
.btn-arrow{ transition:transform .22s ease; }
.btn:hover .btn-arrow{ transform:translateX(4px); }

/* ============================================================
   Hero (used on Home)
   ============================================================ */
.hero{
  position:relative;
  background:linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  color:var(--paper-hi);
  overflow:hidden;
  padding-top:clamp(4.5rem, 10vw, 8rem);
  padding-bottom:clamp(4rem, 9vw, 7rem);
}
.hero::before{
  content:'';
  position:absolute; top:0; right:-4%; bottom:0; width:46%;
  background-image:
    repeating-linear-gradient(90deg,
      var(--brass-light) 0px, var(--brass-light) 3px,
      transparent 3px, transparent 9px,
      var(--brass-light) 9px, var(--brass-light) 11px,
      transparent 11px, transparent 22px,
      var(--brass-light) 22px, var(--brass-light) 24px,
      transparent 24px, transparent 30px,
      var(--brass-light) 30px, var(--brass-light) 34px,
      transparent 34px, transparent 44px
    );
  opacity:0.08;
  mask-image:linear-gradient(90deg, transparent, black 30%, black 70%, transparent);
  pointer-events:none;
}
.hero-inner{ position:relative; max-width:840px; }
.hero h1{
  color:var(--paper-hi);
  font-size:clamp(2.4rem, 5.4vw, 4.2rem);
  line-height:1.06;
  margin:1.3rem 0 1.6rem;
  font-weight:560;
}
.hero h1 em{ font-style:italic; color:var(--brass-light); font-weight:500; }
.hero p.lede{
  font-size:clamp(1.05rem, 1.6vw, 1.25rem);
  color:rgba(247,245,238,0.78);
  max-width:620px;
  margin-bottom:2.4rem;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:1rem; }

/* Client strip under hero */
.client-strip{
  background:var(--ink-2);
  border-top:1px solid var(--line-dark);
  padding:1.6rem 0;
}
.client-strip .container{
  display:flex; flex-wrap:wrap; align-items:center; gap:0.9rem 0;
}
.client-strip-label{
  font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.14em;
  text-transform:uppercase; color:rgba(247,245,238,0.5);
  margin-right:1.8rem; white-space:nowrap;
}
.client-marquee{
  display:flex; flex-wrap:wrap; gap:0.4rem 1.6rem;
  font-family:var(--font-display); font-style:italic;
  font-size:1rem; color:rgba(247,245,238,0.68);
}

/* ============================================================
   Section scaffolding
   ============================================================ */
section{ padding:clamp(3.5rem, 8vw, 6.5rem) 0; }
.section-paper{ background:var(--paper); }
.section-paper-2{ background:var(--paper-2); }
.section-ink{ background:var(--ink); color:var(--paper-hi); }
.section-ink h2, .section-ink h3{ color:var(--paper-hi); }

.section-head{ margin-bottom:2.75rem; max-width:760px; }
.section-head h2{ font-size:clamp(1.8rem, 3.4vw, 2.6rem); margin-top:0.9rem; line-height:1.14; }
.section-head p{ color:var(--slate); margin-top:1rem; font-size:1.05rem; max-width:600px; }
.section-ink .section-head p{ color:rgba(247,245,238,0.72); }

/* Folio / editorial split layout */
.folio{
  display:grid;
  grid-template-columns:170px 1fr;
  gap:3rem;
}
.folio-rail{ padding-top:0.35rem; }
.folio-rail .eyebrow{ display:block; line-height:1.5; }
.folio-body{ max-width:680px; }
.folio-body p + p{ margin-top:1.15rem; }
.folio-body p{ color:var(--charcoal); font-size:1.04rem; }
@media (max-width:760px){
  .folio{ grid-template-columns:1fr; gap:1.25rem; }
}

/* ============================================================
   Cards — services / case work / articles
   ============================================================ */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.75rem; }
.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:1.75rem; }
@media (max-width:920px){ .grid-3{ grid-template-columns:1fr; } .grid-2{ grid-template-columns:1fr; } }

.card{
  background:var(--paper-hi);
  border:1px solid var(--line);
  padding:2.1rem 1.9rem;
  display:flex; flex-direction:column; gap:1rem;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover{ transform:translateY(-4px); border-color:var(--brass); box-shadow:0 18px 34px -20px rgba(14,28,49,0.35); }
.card-code{ font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.12em; color:var(--brass); }
.card h3{ font-size:1.3rem; }
.card p{ color:var(--slate); font-size:0.98rem; }
.card-link{ margin-top:auto; font-family:var(--font-mono); font-size:0.76rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--ink); display:inline-flex; align-items:center; gap:0.5rem; }
.card:hover .card-link{ color:var(--brass); }
.card-link .btn-arrow{ transition:transform .22s ease; }
.card:hover .card-link .btn-arrow{ transform:translateX(4px); }

/* Stat strip */
.stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.5rem; }
@media (max-width:820px){ .stats{ grid-template-columns:repeat(2,1fr); } }
.stat{ border-left:2px solid var(--brass); padding-left:1.1rem; }
.stat .num{ font-family:var(--font-display); font-size:clamp(2rem,4vw,2.7rem); color:var(--paper-hi); line-height:1; }
.stat .lbl{ font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.06em; color:rgba(247,245,238,0.6); margin-top:0.6rem; display:block; }

/* Founder split */
.split{ display:grid; grid-template-columns:0.8fr 1.2fr; gap:3.5rem; align-items:center; }
@media (max-width:860px){ .split{ grid-template-columns:1fr; } }
.split-media{ position:relative; }
.split-media img{ position:relative; z-index:1; width:100%; filter:grayscale(0.55) contrast(1.03); border:1px solid var(--line); background:var(--paper); }
.split-media::after{
  content:''; position:absolute; top:14px; left:14px; right:-14px; bottom:-14px;
  border:1px solid var(--brass); z-index:0;
}
.pull-quote{
  font-family:var(--font-display); font-style:italic; font-weight:500;
  font-size:1.25rem; line-height:1.5; color:var(--ink);
  border-left:2px solid var(--brass); padding-left:1.3rem; margin:1.5rem 0;
}
.section-ink .pull-quote{ color:var(--paper-hi); }

/* Expertise / industry lists */
.tick-list{ display:grid; grid-template-columns:repeat(2,1fr); gap:0.9rem 2rem; }
@media (max-width:640px){ .tick-list{ grid-template-columns:1fr; } }
.tick-list li{
  display:flex; align-items:flex-start; gap:0.8rem;
  font-size:0.99rem; padding:0.6rem 0; border-bottom:1px solid var(--line);
}
.tick-list li .ledger--sm{ margin-top:0.35rem; }
.section-ink .tick-list li{ color:var(--paper-hi); border-bottom-color:var(--line-dark); }

/* Case files */
.case{
  border-top:1px solid var(--line);
  padding:2.4rem 0;
  display:grid; grid-template-columns:220px 1fr;
  gap:2.5rem;
}
.case:last-child{ border-bottom:1px solid var(--line); }
@media (max-width:760px){ .case{ grid-template-columns:1fr; gap:1rem; } }
.case-tag{ font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--brass); }
.case h3{ font-size:1.4rem; margin-top:0.5rem; }
.case p{ color:var(--slate); margin-top:0.9rem; }
.case-results{ display:flex; flex-wrap:wrap; gap:1.6rem; margin-top:1.2rem; }
.case-results .num{ font-family:var(--font-display); color:var(--ink); font-size:1.35rem; }
.case-results .lbl{ font-family:var(--font-mono); font-size:0.65rem; letter-spacing:0.05em; color:var(--slate); text-transform:uppercase; display:block; }
.case-sub{ margin-top:1rem; padding-left:1.1rem; border-left:1px solid var(--line); }
.case-sub li{ font-size:0.93rem; color:var(--slate); padding:0.25rem 0; }

/* Client wall */
.client-wall{ display:flex; flex-wrap:wrap; gap:0.75rem; }
.client-chip{
  font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.03em;
  border:1px solid var(--line); padding:0.55rem 1rem; color:var(--ink); opacity:0.85;
}
.section-ink .client-chip{ color:var(--paper-hi); border-color:var(--line-dark); opacity:0.9; }

/* Articles / Insights */
.article-row{
  display:grid; grid-template-columns:140px 1fr auto;
  gap:2rem; align-items:baseline;
  padding:1.9rem 0; border-top:1px solid var(--line);
}
.article-row:last-child{ border-bottom:1px solid var(--line); }
@media (max-width:700px){ .article-row{ grid-template-columns:1fr; gap:0.6rem; } }
.article-date{ font-family:var(--font-mono); font-size:0.78rem; color:var(--brass); letter-spacing:0.05em; }
.article-title{ font-size:1.25rem; }
.article-desc{ color:var(--slate); margin-top:0.5rem; font-size:0.96rem; max-width:60ch; }
.article-link{ font-family:var(--font-mono); font-size:0.72rem; text-transform:uppercase; letter-spacing:0.07em; white-space:nowrap; align-self:center; border:1px solid var(--line); padding:0.55rem 0.95rem; }
.article-link:hover{ background:var(--ink); color:var(--paper-hi); border-color:var(--ink); }

/* CTA band */
.cta-band{
  background:var(--ink);
  color:var(--paper-hi);
  padding:clamp(3rem,7vw,5rem) 0;
  text-align:center;
  position:relative;
}
.cta-band h2{ color:var(--paper-hi); font-size:clamp(1.7rem,3.6vw,2.5rem); max-width:720px; margin:0 auto 1.8rem; }
.cta-band .btn-row{ display:flex; justify-content:center; gap:1rem; flex-wrap:wrap; }

/* Page header (interior pages) */
.page-header{
  background:linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  color:var(--paper-hi);
  padding-top:clamp(4rem,9vw,6.5rem);
  padding-bottom:clamp(3rem,7vw,4.5rem);
  position:relative;
  overflow:hidden;
}
.page-header h1{ color:var(--paper-hi); font-size:clamp(2.1rem,4.6vw,3.4rem); margin-top:1.1rem; max-width:780px; line-height:1.1; }
.page-header p.lede{ color:rgba(247,245,238,0.75); max-width:620px; margin-top:1.3rem; font-size:1.08rem; }
.page-header .ledger{ position:absolute; top:0; right:0; height:100%; width:30%; color:var(--brass-light); opacity:0.06; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer{ background:var(--ink); color:rgba(247,245,238,0.85); padding-top:4rem; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 0.8fr 0.8fr 1fr; gap:2.5rem; padding-bottom:3rem; border-bottom:1px solid var(--line-dark); }
@media (max-width:860px){ .footer-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-brand .wordmark{ font-family:var(--font-display); font-size:1.5rem; color:var(--paper-hi); }
.footer-brand p{ margin-top:1rem; color:rgba(247,245,238,0.6); max-width:32ch; font-size:0.95rem; }
.footer-col h4{ color:var(--paper-hi); font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; margin-bottom:1.1rem; }
.footer-col li{ padding:0.4rem 0; }
.footer-col a{ color:rgba(247,245,238,0.7); font-size:0.95rem; }
.footer-col a:hover{ color:var(--brass-light); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding:1.6rem 0 2.2rem; flex-wrap:wrap; gap:0.8rem; }
.footer-bottom p{ font-family:var(--font-mono); font-size:0.72rem; color:rgba(247,245,238,0.45); letter-spacing:0.02em; }
.footer-bottom .ledger{ width:110px; height:14px; color:rgba(247,245,238,0.35); }

/* ============================================================
   Contact page
   ============================================================ */
.contact-grid{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:3.5rem; }
@media (max-width:860px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-detail{ display:flex; gap:1rem; padding:1.1rem 0; border-top:1px solid var(--line); }
.contact-detail:last-child{ border-bottom:1px solid var(--line); }
.contact-detail .k{ font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--brass); width:120px; flex:none; padding-top:0.15rem; }
.contact-detail .v{ font-size:1.05rem; }
.contact-detail .v a:hover{ color:var(--brass); }

.form-field{ margin-bottom:1.4rem; display:flex; flex-direction:column; gap:0.5rem; }
.form-field label{ font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--slate); }
.form-field input, .form-field textarea{
  font-family:var(--font-body); font-size:1rem; padding:0.85rem 1rem;
  background:var(--paper-hi); border:1px solid var(--line); color:var(--charcoal);
  outline:none; transition:border-color .2s ease;
}
.form-field input:focus, .form-field textarea:focus{ border-color:var(--brass); }
.form-note{ font-size:0.85rem; color:var(--slate); margin-top:0.75rem; }

/* ============================================================
   Reveal-on-scroll utility
   ============================================================ */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:none; }

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