/* =========================================================
   GBM Support — design tokens
   ========================================================= */
:root{
  --ink:        #0E1420;   /* deep base — hero / footer / dark blocks */
  --ink-soft:   #161E2C;   /* slightly lifted dark surface */
  --steel:      #445164;   /* structural lines, secondary text on dark */
  --steel-soft: #C4CBD4;   /* light structural lines on dark */
  --fog:        #E7E9E4;   /* page background, cool paper-grey */
  --paper:      #F5F6F3;   /* card / panel background, off-white */
  --line:       #D4D7CF;   /* hairline borders on light */
  --signal:     #C98A3E;   /* single accent — bronze / amber */
  --signal-dim: #A9722F;   /* accent, hover/pressed */
  --text:       #1B222C;   /* body text on light */
  --text-soft:  #565F6C;   /* secondary text on light */
  --text-on-ink:#F5F6F3;   /* body text on dark */
  --text-on-ink-soft:#9AA5B4; /* secondary text on dark */

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "IBM Plex Sans", -apple-system, "Segoe UI", Arial, sans-serif;
  --mono:  "IBM Plex Mono", "Courier New", monospace;

  --max: 1180px;
  --gap: 32px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--fog);
  color: var(--text);
  font-family: var(--sans);
  font-size: 19.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; }

h1,h2,h3,h4{
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 0.4em;
  letter-spacing: -0.01em;
  color: inherit;
}
p{ margin: 0 0 1em; max-width: 62ch; }
.max{ max-width: var(--max); margin: 0 auto; padding: 0 40px; }

@media (max-width: 720px){
  .max{ padding: 0 22px; }
  body{ font-size: 18.5px; }
}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior:auto !important; }
}

/* =========================================================
   Header / nav
   ========================================================= */
.site-header{
  background: var(--ink);
  color: var(--text-on-ink);
  position: sticky; top:0; z-index: 40;
  border-bottom: 1px solid rgba(196,203,212,0.14);
}
.site-header .max{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.brand{
  display:flex; align-items:center; gap:11px;
  font-family: var(--serif); font-size: 23px; font-weight: 600;
  text-decoration:none; color: var(--text-on-ink);
  letter-spacing: -0.01em;
}
.brand svg{ width: 27px; height: 27px; flex: none; }
.brand .ring{ stroke: var(--steel-soft); }
.brand .tick{ stroke: var(--steel-soft); }
.brand .pin{ fill: var(--text-on-ink); }
.brand .contact{ fill: var(--signal); }
nav.primary{ display:flex; align-items:center; gap: 30px; }
nav.primary a{
  text-decoration:none; font-size: 17px; color: var(--text-on-ink-soft);
  padding: 6px 2px; border-bottom: 1px solid transparent;
}
nav.primary a:hover{ color: var(--text-on-ink); }
nav.primary a[aria-current="page"]{
  color: var(--text-on-ink);
  border-bottom-color: var(--signal);
}
.nav-cta{
  border: 1px solid var(--signal) !important;
  color: var(--text-on-ink) !important;
  padding: 8px 16px !important;
  border-radius: 2px;
}
.nav-cta:hover{ background: var(--signal); }

.nav-dropdown{ position:relative; }
.nav-dropdown > a{ display:inline-flex; align-items:center; gap:5px; }
.nav-dropdown .chevron{ font-size:10px; opacity:0.75; transition: transform .15s ease; }
.nav-dropdown:hover .chevron, .nav-dropdown:focus-within .chevron{ transform: rotate(180deg); }
.dropdown-menu{
  position:absolute; top:100%; left:0; margin-top:16px;
  background: var(--ink-soft); border:1px solid rgba(196,203,212,0.18);
  min-width: 270px; padding:6px 0;
  opacity:0; visibility:hidden; transform:translateY(-6px);
  transition: opacity .14s ease, transform .14s ease, visibility 0s linear .14s;
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu{
  opacity:1; visibility:visible; transform:translateY(0);
  transition: opacity .14s ease, transform .14s ease;
}
.dropdown-menu a{
  display:block; padding:11px 18px; font-size:15px; line-height:1.3;
  color: var(--text-on-ink-soft); text-decoration:none; border-bottom:none;
  white-space:nowrap;
}
.dropdown-menu a:hover{ color: var(--text-on-ink); background: rgba(255,255,255,0.05); }
.dropdown-menu a[aria-current="page"]{ color: var(--signal); }

.nav-toggle{ display:none; }
@media (max-width: 900px){
  nav.primary{
    position: fixed; inset: 76px 0 0 0; background: var(--ink);
    flex-direction:column; align-items:flex-start; gap:0;
    padding: 10px 22px 30px;
    transform: translateY(-8px); opacity:0; pointer-events:none;
    transition: opacity .15s ease, transform .15s ease;
    overflow-y:auto;
  }
  nav.primary.open{ opacity:1; transform:translateY(0); pointer-events:auto; }
  nav.primary a{ width:100%; padding: 14px 0; border-bottom: 1px solid rgba(196,203,212,0.12); }
  .nav-cta{ margin-top:14px; display:inline-block; width:fit-content; }
  .nav-dropdown{ position:static; width:100%; }
  .nav-dropdown .chevron{ display:none; }
  .dropdown-menu{
    position:static; opacity:1; visibility:visible; transform:none;
    background:none; border:none; padding:0; margin-top:0;
    transition:none;
  }
  nav.primary .dropdown-menu a{ padding-left:16px; font-size:15px; }
  .nav-toggle{
    display:block; background:none; border:1px solid var(--steel-soft);
    color: var(--text-on-ink); width:40px; height:36px; border-radius:2px; cursor:pointer;
  }
}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  background: var(--ink); color: var(--text-on-ink);
  border-bottom: 1px solid rgba(196,203,212,0.14);
}
.hero .max{
  display:grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items:center; padding-top: 76px; padding-bottom: 76px;
}
.hero-eyebrow{
  color: var(--text-on-ink-soft); font-size: 16px; margin-bottom:18px;
}
.hero h1{ font-size: 54.5px; max-width: 14ch; }
.hero .lede{ color: var(--text-on-ink-soft); font-size: 20.5px; max-width: 46ch; }
.hero .lede.accent{ font-family: var(--serif); font-style: italic; font-weight: 600; color: var(--text-on-ink); font-size: 23px; }
.hero-art{ width:100%; }
.hero-actions{ display:flex; gap:14px; margin-top: 28px; flex-wrap:wrap; }

@media (max-width: 900px){
  .hero .max{ grid-template-columns: 1fr; padding-top:44px; padding-bottom:44px; gap:36px; }
  .hero h1{ font-size: 41px; max-width: none; }
  .hero-art{ order:-1; max-width: 340px; }
}

/* page hero (non-home pages) */
.page-hero{
  background: var(--ink); color: var(--text-on-ink);
  border-bottom: 1px solid rgba(196,203,212,0.14);
}
.page-hero .max{ padding-top: 62px; padding-bottom: 62px; }
.page-hero.tight .max{ padding-top: 34px; padding-bottom: 34px; }
.page-hero h1{ font-size: 43px; max-width: 20ch; }
.page-hero .lede{ color: var(--text-on-ink-soft); font-size: 19.5px; max-width:56ch; }

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--sans); font-size: 17px; font-weight:500;
  padding: 12px 22px; border-radius: 2px; text-decoration:none;
  border: 1px solid transparent; cursor:pointer;
  transition: background .12s ease, color .12s ease, border-color .12s ease;
}
.btn-primary{ background: var(--signal); color: var(--ink); }
.btn-primary:hover{ background: var(--signal-dim); }
.btn-ghost-dark{ border-color: var(--steel-soft); color: var(--text-on-ink); }
.btn-ghost-dark:hover{ border-color: var(--text-on-ink); }
.btn-ghost-light{ border-color: var(--text-soft); color: var(--text); }
.btn-ghost-light:hover{ border-color: var(--text); }

/* =========================================================
   Sections / structure
   ========================================================= */
section{ padding: 76px 0; }
section.tight{ padding: 52px 0; }
.section-head{ max-width: 640px; margin-bottom: 44px; }
.section-head h2{ font-size: 34.5px; color: var(--text); }
.section-head .lede{ color: var(--text-soft); font-size: 19.5px; }

.rule{ border:none; border-top: 1px solid var(--line); margin:0; }
.rule-dark{ border:none; border-top: 1px solid rgba(196,203,212,0.16); margin:0; }

.on-ink{ background: var(--ink); color: var(--text-on-ink); }
.on-ink .section-head h2{ color: var(--text-on-ink); }
.on-ink .section-head .lede{ color: var(--text-on-ink-soft); }
.on-ink p{ color: var(--text-on-ink-soft); }

/* grid helpers */
.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.grid-3{ display:grid; grid-template-columns: repeat(3,1fr); gap: var(--gap); }
.grid-5-7{ display:grid; grid-template-columns: 5fr 7fr; gap: 56px; }
@media (max-width: 900px){
  .grid-2, .grid-3, .grid-5-7{ grid-template-columns: 1fr; }
}

/* bordered blocks — used instead of rounded/shadow cards */
.block{
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 30px 28px;
}
.block h3{ font-size: 23px; margin-bottom:10px; }
.block p{ color: var(--text-soft); margin-bottom:0; font-size: 18px; }
.block .letter{
  font-family: var(--serif); font-size: 17px; color: var(--signal);
  border: 1px solid var(--signal); width:30px; height:30px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px;
}
a.block{
  display:block; text-decoration:none; color:inherit;
  transition: border-color .15s ease, background .15s ease;
}
a.block:hover{ border-color: var(--signal); background: var(--fog); }
a.block:hover .letter{ background: var(--signal); color: var(--ink); }
a.block .letter{ transition: background .15s ease, color .15s ease; }

.block-dark{
  border: 1px solid rgba(196,203,212,0.22);
  padding: 30px 28px;
}
.block-dark h3{ font-size: 23px; margin-bottom:10px; color: var(--text-on-ink); }
.block-dark p{ color: var(--text-on-ink-soft); margin-bottom:0; font-size: 18px; }

/* process steps — legitimate numbered sequence */
.steps{ display:grid; grid-template-columns: repeat(3,1fr); gap: var(--gap); }
.step{ padding-top: 22px; border-top: 1px solid var(--line); }
.step .num{ font-family: var(--mono); font-size: 14px; color: var(--signal); display:block; margin-bottom:14px; }
.step h3{ font-size: 22px; }
.step p{ color: var(--text-soft); font-size: 18px; }
@media (max-width: 900px){ .steps{ grid-template-columns: 1fr; } }

/* stat strip */
.stats{ display:grid; grid-template-columns: repeat(3,1fr); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.stat{ padding: 26px 28px; border-left: 1px solid var(--line); }
.stat:first-child{ border-left:none; }
.stat .val{ font-family: var(--serif); font-size: 28px; display:block; margin-bottom:4px; }
.stat .lab{ color: var(--text-soft); font-size: 16.5px; }
@media (max-width: 720px){
  .stats{ grid-template-columns: 1fr; }
  .stat{ border-left:none; border-top:1px solid var(--line); }
  .stat:first-child{ border-top:none; }
}

/* corner-bracket frame — instrumentation motif, used sparingly */
.bracket-frame{ position:relative; padding: 26px; }
.bracket-frame::before, .bracket-frame::after,
.bracket-frame b.bl::before, .bracket-frame b.br::before{
  content:""; position:absolute; width:18px; height:18px; border-color: var(--signal); border-style:solid; border-width:0;
}
.bracket-frame::before{ top:0; left:0; border-top-width:2px; border-left-width:2px; }
.bracket-frame::after{ top:0; right:0; border-top-width:2px; border-right-width:2px; }
.bracket-frame b.bl::before{ bottom:0; left:0; border-bottom-width:2px; border-left-width:2px; }
.bracket-frame b.br::before{ bottom:0; right:0; border-bottom-width:2px; border-right-width:2px; }
.bracket-frame b{ position:absolute; inset:0; pointer-events:none; }

/* photograph frame — bracket motif tuned for full-bleed press imagery */
.photo{ position:relative; padding:0; line-height:0; }
.photo img{ width:100%; height:auto; display:block; }
.photo::before, .photo::after,
.photo b.bl::before, .photo b.br::before{
  content:""; position:absolute; width:22px; height:22px; border-color: var(--signal); border-style:solid; border-width:0; z-index:2;
}
.photo::before{ top:-1px; left:-1px; border-top-width:2px; border-left-width:2px; }
.photo::after{ top:-1px; right:-1px; border-top-width:2px; border-right-width:2px; }
.photo b.bl::before{ bottom:-1px; left:-1px; border-bottom-width:2px; border-left-width:2px; }
.photo b.br::before{ bottom:-1px; right:-1px; border-bottom-width:2px; border-right-width:2px; }
.photo b{ position:absolute; inset:0; pointer-events:none; }
.photo-credit{
  line-height:1.4; margin-top:10px; font-size: 13.5px; letter-spacing:0.01em;
  color: var(--text-soft);
}
.on-ink .photo-credit, .hero .photo-credit{ color: var(--text-on-ink-soft); }
.hero-art{ display:flex; flex-direction:column; }

/* list rows (services/sectors) */
.rows{ border-top: 1px solid var(--line); }
.row{
  display:grid; grid-template-columns: 1.4fr 2.6fr; gap: 32px;
  padding: 30px 0; border-bottom: 1px solid var(--line);
}
.row h3{ font-size: 24px; }
.row p{ color: var(--text-soft); margin-bottom: 10px; }
.row ul{ margin:10px 0 0; padding-left: 18px; color: var(--text-soft); font-size: 17px; }
.row li{ margin-bottom:6px; }
.row-icon{ width:30px; height:30px; margin-bottom:12px; display:block; }
@media (max-width: 800px){ .row{ grid-template-columns: 1fr; gap:10px; } }

/* quote / principle */
.principle{ display:flex; gap:20px; padding: 24px 0; border-top:1px solid rgba(196,203,212,0.16); }
.principle:last-child{ border-bottom:1px solid rgba(196,203,212,0.16); }
.principle .mk{ font-family:var(--serif); font-size: 17px; color:var(--signal); flex:none; width:28px; }
.principle h4{ font-size: 20.5px; color:var(--text-on-ink); margin-bottom:6px; }
.principle p{ color: var(--text-on-ink-soft); font-size: 18px; margin-bottom:0; }

/* CTA band */
.cta-band{ background: var(--ink); color: var(--text-on-ink); padding: 70px 0; }
.cta-band .max{ display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap; }
.cta-band h2{ font-size: 32.5px; max-width: 18ch; color: var(--text-on-ink); margin:0; }
.cta-actions{ display:flex; gap:14px; flex-wrap:wrap; }

/* contact form */
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field{ display:flex; flex-direction:column; gap:8px; margin-bottom:20px; }
.field.full{ grid-column: 1 / -1; }
.field label{ font-size: 16px; color: var(--text-soft); }
.field input, .field select, .field textarea{
  font-family: var(--sans); font-size: 17px; padding: 12px 14px;
  border: 1px solid var(--steel); background: var(--ink-soft); color: var(--text-on-ink);
  border-radius: 2px;
}
.field textarea{ resize: vertical; min-height: 120px; }
@media (max-width: 720px){ .form-grid{ grid-template-columns: 1fr; } }

/* =========================================================
   Hero radar illustration
   ========================================================= */
.radar-sweep{
  transform-origin: 260px 260px;
  animation: radar-spin 14s linear infinite;
}
@keyframes radar-spin{ to{ transform: rotate(360deg); } }
.radar-node{ animation: radar-pulse 3.2s ease-in-out infinite; transform-origin: center; }
.radar-node.d2{ animation-delay: .6s; }
.radar-node.d3{ animation-delay: 1.2s; }
.radar-node.d4{ animation-delay: 1.8s; }
@keyframes radar-pulse{
  0%, 100%{ opacity:.55; }
  50%{ opacity:1; }
}

/* pull-quote — vision statement / ambition callouts */
.pull-quote{
  font-family: var(--serif); font-style: italic; font-weight:500;
  font-size: 28px; line-height:1.35; max-width: 20ch;
  border-left: 2px solid var(--signal); padding-left: 26px;
}
.pull-quote.on-light{ color: var(--text); }
.pull-quote.on-dark{ color: var(--text-on-ink); }
.pull-quote cite{ display:block; font-style:normal; font-family:var(--sans);
  font-size: 16px; color: var(--text-soft); margin-top:14px; }

/* outcome / callout box */
.callout{
  border: 1px solid var(--line); border-left: 3px solid var(--signal);
  background: var(--paper); padding: 24px 26px; margin-top: 8px;
}
.callout p{ margin-bottom:0; color: var(--text); font-size: 18px; }
.callout.on-ink{ background: var(--ink-soft); border-color: rgba(196,203,212,0.22); border-left-color: var(--signal); }
.callout.on-ink p{ color: var(--text-on-ink-soft); }

/* numbered differentiators */
.numbered{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.numbered .item{ padding-top:20px; border-top:1px solid rgba(196,203,212,0.2); }
.numbered .item .n{ font-family: var(--mono); font-size: 14px; color: var(--signal); display:block; margin-bottom:12px; }
.numbered .item h4{ font-size: 20.5px; color:var(--text-on-ink); margin-bottom:8px; }
.numbered .item p{ color: var(--text-on-ink-soft); font-size: 18px; margin-bottom:0; }
@media (max-width: 800px){ .numbered{ grid-template-columns:1fr; } }

/* case study steps — vertical, longer copy */
.case-step{ padding: 30px 0; border-top: 1px solid var(--line); }
.case-step:first-of-type{ border-top:none; }
.case-step .n{ font-family: var(--mono); font-size: 14px; color: var(--signal); display:block; margin-bottom:10px; }
.case-step h3{ font-size: 25.5px; margin-bottom: 12px; }

/* scenario quotes ("why would you call GBM?") */
.scenario{ padding: 28px 0; border-top: 1px solid var(--line); }
.scenario blockquote{ margin:0 0 12px; font-family: var(--serif); font-style: italic;
  font-size: 22px; color: var(--text); max-width: 60ch; }
.scenario p{ color: var(--text-soft); margin-bottom:0; }

/* track record table */
.table-wrap{ overflow-x:auto; border-top: 1px solid var(--line); }
table.track{ width:100%; border-collapse:collapse; min-width: 640px; }
table.track th{
  text-align:left; font-family: var(--sans); font-weight:600; font-size: 14px;
  color: var(--text-soft); text-transform:none; padding: 16px 18px;
  border-bottom: 2px solid var(--steel); white-space:nowrap;
}
table.track td{
  padding: 19px 18px; border-bottom: 1px solid var(--line);
  font-size: 17px; color: var(--text); vertical-align:top;
}
table.track tbody tr:nth-child(even){ background: var(--paper); }
table.track td.impact{
  font-family: var(--mono); font-size: 19px; font-weight:600;
  white-space:nowrap; color: var(--signal-dim);
}
.impact-val{ display:block; margin-bottom:7px; }
.impact-bar{ display:block; width:100px; height:5px; background: var(--line); }
.impact-fill{ display:block; height:100%; background: var(--signal); }
table.track tr:last-child td{ border-bottom: none; }
.table-note{ font-size: 14.5px; color: var(--text-soft); margin-top: 16px; }

/* footer */
footer.site-footer{ background: var(--ink); color: var(--text-on-ink-soft); padding: 50px 0 34px; }
footer.site-footer .footer-top{ display:flex; justify-content:space-between; gap:30px; flex-wrap:wrap; }
footer .f-brand{ font-family: var(--serif); color: var(--text-on-ink); font-size: 20.5px; margin-bottom:10px; }
footer .f-col h5{ color: var(--text-on-ink); font-size: 14px; margin:0 0 12px; font-weight:600; }
footer .f-col a{ display:block; text-decoration:none; color: var(--text-on-ink-soft); font-size: 16.5px; padding:4px 0; }
footer .f-col a:hover{ color: var(--text-on-ink); }
.f-cols{ display:flex; gap:60px; flex-wrap:wrap; }
.f-cols .f-col{ margin-right:60px; }
.f-cols .f-col:last-child{ margin-right:0; }
.f-legal{ margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(196,203,212,0.14); font-size: 14px; }
@media (max-width: 720px){ footer.site-footer .max{ flex-direction:column; } .f-cols{ gap:36px; } }

/* Insights */
/* =========================================================
   Insights
   ========================================================= */
.dropdown-insights{ min-width: 330px; left:auto; right:0; }
.dropdown-menu a.dd-article{ white-space: normal; max-width: 330px; }
.dd-title{ display:block; }
.dd-date{ display:block; margin-top:4px; font-family: var(--mono); font-size: 12.5px; letter-spacing:0.04em; color: var(--signal); }
.insight-card{ display:grid; grid-template-columns: 300px 1fr; gap: 56px; align-items:start;
  border-top: 1px solid var(--line); padding-top: 40px; }
.insight-cover{ display:block; border:1px solid var(--line); background: var(--paper); }
.insight-cover img{ transition: opacity .15s ease; }
.insight-cover:hover img{ opacity:.92; }
.insight-kicker{ display:block; font-family: var(--mono); font-size: 13.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--signal); margin-bottom: 14px; }
.insight-body h2{ font-size: 34.5px; max-width: 22ch; margin-bottom: 10px; }
.insight-body h2 a{ text-decoration:none; }
.insight-body h2 a:hover{ color: var(--signal-dim); }
.insight-date{ font-family: var(--mono); font-size: 15px; color: var(--text-soft); margin-bottom: 4px; }
.insight-byline{ font-size: 16.5px; color: var(--text-soft); margin-bottom: 20px; }
.insight-body > p:not(.insight-date):not(.insight-byline){ color: var(--text); }
.insight-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top: 26px; }
.insight-kicker.on-dark{ color: var(--signal); }
.insight-date.on-dark, .insight-byline.on-dark{ color: var(--text-on-ink-soft); }
.page-hero h1.article-title{ max-width: 24ch; margin-bottom: 14px; }
.pdf-frame{ border:1px solid var(--line); background: var(--paper); height: 88vh; min-height: 640px; }
.pdf-frame object{ width:100%; height:100%; display:block; }
.pdf-fallback{ padding: 40px 28px; }
@media (max-width: 900px){
  .insight-card{ grid-template-columns: 1fr; gap: 28px; }
  .insight-cover{ max-width: 280px; }
  .insight-body h2{ font-size: 28px; }
  .dropdown-menu a.dd-article{ max-width:none; }
  .dropdown-insights{ right:auto; }
  .pdf-frame{ height: 70vh; min-height: 420px; }
}
