/* ==========================================================================
   Collabgenics UK — Premium Consulting Theme
   Inspired by McKinsey, BCG & L.E.K.
   Brand: Sky Blue #29BFFD | Deep Navy #0B2140 | Ink #0F1923 | White #FFFFFF
   ========================================================================== */

:root {
  --brand:        #29BFFD;   /* collabgenics sky blue */
  --brand-dark:   #1AA3DA;   /* hover / darker blue   */
  --navy:         #0B2140;   /* deep navy header/hero  */
  --navy-dark:    #071528;   /* darkest navy bg        */
  --ink:          #0F1923;   /* body text              */
  --mist:         #F4F9FC;   /* light section bg       */
  --grey:         #5C6B7A;   /* secondary text         */
  --line:         #DDE5EB;   /* borders                */
  --white:        #FFFFFF;
  --font-heading: 'Playfair Display', serif;
  --font-sans:    'Inter', sans-serif;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-family: var(--font-sans); color: var(--ink); background: var(--white); line-height: 1.65; -webkit-font-smoothing: antialiased; }
img  { max-width: 100%; display: block; }
a    { text-decoration: none; color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--navy); margin: 0 0 16px; line-height: 1.2; font-weight: 700; }
p    { margin: 0 0 16px; }
ul   { padding-left: 20px; }

/* ── Layout ── */
.cguk-container        { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.cguk-container-narrow { max-width: 860px;  margin: 0 auto; padding: 0 28px; }

/* ── Buttons ── */
.cguk-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; font-family: var(--font-sans); font-weight: 600; font-size: 15px;
  border: 2px solid transparent; border-radius: 2px; cursor: pointer; transition: all .22s ease; letter-spacing: .2px;
}
.cguk-btn-primary       { background: var(--brand); color: var(--navy-dark); border-color: var(--brand); }
.cguk-btn-primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); }
.cguk-btn-outline       { border-color: var(--white); color: var(--white); }
.cguk-btn-outline:hover { background: rgba(255,255,255,.15); }
.cguk-btn-dark          { background: var(--navy); color: var(--white); border-color: var(--navy); }
.cguk-btn-dark:hover    { background: var(--brand); border-color: var(--brand); color: var(--navy-dark); }
.cguk-btn-light         { background: var(--white); color: var(--navy); border-color: var(--white); }
.cguk-btn-light:hover   { background: var(--mist); }

.cguk-link-arrow {
  font-weight: 700; color: var(--navy); font-size: 14.5px; letter-spacing: .3px;
  border-bottom: 2px solid var(--brand); padding-bottom: 2px; transition: color .2s;
}
.cguk-link-arrow:hover { color: var(--brand); }

/* ═══════════════════════════════
   HEADER
═══════════════════════════════ */
.cguk-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 999;
}
.cguk-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px; gap: 24px;
}
.cguk-logo a, .cguk-logo { display: flex; align-items: center; }
.cguk-logo img { height: 46px; width: auto; }

.cguk-nav { flex: 1; display: flex; justify-content: center; }
.cguk-menu { display: flex; list-style: none; margin: 0; padding: 0; gap: 36px; }
.cguk-menu li a {
  font-weight: 600; font-size: 13.5px; text-transform: uppercase; letter-spacing: .7px;
  color: var(--ink); padding: 8px 0; position: relative;
}
.cguk-menu li a::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; background: var(--brand); transition: width .2s;
}
.cguk-menu li a:hover { color: var(--navy); }
.cguk-menu li a:hover::after { width: 100%; }

.cguk-header-cta { font-size: 13.5px; padding: 11px 24px; }

.cguk-mobile-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.cguk-mobile-toggle span { width: 26px; height: 2px; background: var(--navy); display: block; }

/* ═══════════════════════════════
   HERO
═══════════════════════════════ */
.cguk-hero {
  background: var(--navy-dark);
  position: relative; overflow: hidden;
  padding: 120px 0 110px;
  color: var(--white);
}
/* Diagonal blue accent slab */
.cguk-hero::before {
  content: '';
  position: absolute; right: 0; top: 0;
  width: 42%; height: 100%;
  background: linear-gradient(160deg, rgba(41,191,253,.18) 0%, rgba(11,33,64,.0) 80%);
  clip-path: polygon(8% 0, 100% 0, 100% 100%, 0% 100%);
}
/* Blue geometric accent ring */
.cguk-hero::after {
  content: '';
  position: absolute; right: -80px; bottom: -100px;
  width: 420px; height: 420px;
  border-radius: 50%;
  border: 1px solid rgba(41,191,253,.15);
}
.cguk-hero-inner { position: relative; z-index: 2; max-width: 780px; }

.cguk-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--brand); font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; font-size: 12.5px;
  font-family: var(--font-sans); margin-bottom: 24px;
}
.cguk-eyebrow::before {
  content: ''; display: block; width: 32px; height: 2px; background: var(--brand);
}

.cguk-hero h1 {
  color: var(--white); font-size: 58px; margin-bottom: 22px; letter-spacing: -.5px;
}
.cguk-hero h1 em { color: var(--brand); font-style: normal; }

.cguk-hero-sub {
  font-size: 19px; color: #A8BCCF; margin-bottom: 40px; max-width: 620px;
  font-family: var(--font-sans); line-height: 1.7;
}
.cguk-hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }

/* Ticker bar inside hero */
.cguk-hero-ticker {
  display: flex; gap: 0; border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 36px; flex-wrap: wrap;
}
.cguk-ticker-item {
  padding: 0 48px 0 0;
  border-right: 1px solid rgba(255,255,255,.1);
  margin-right: 48px;
}
.cguk-ticker-item:last-child { border-right: none; padding-right: 0; margin-right: 0; }
.cguk-ticker-num {
  font-family: var(--font-heading); font-size: 36px; font-weight: 700;
  color: var(--brand); display: block; line-height: 1;
}
.cguk-ticker-label { font-size: 12.5px; color: #7A9AB4; text-transform: uppercase; letter-spacing: .8px; margin-top: 6px; }

/* ═══════════════════════════════
   SECTIONS
═══════════════════════════════ */
.cguk-section       { padding: 96px 0; }
.cguk-section-tight { padding: 64px 0; }
.cguk-section-alt   { background: var(--mist); }
.cguk-section-navy  { background: var(--navy); color: var(--white); }

.cguk-section-head        { margin-bottom: 56px; }
.cguk-section-head.center { text-align: center; max-width: 720px; margin-left: auto; margin-right: auto; margin-bottom: 56px; }
.cguk-section-head h2     { font-size: 36px; }
.cguk-section-head p      { color: var(--grey); font-size: 18px; }

.cguk-kicker {
  color: var(--brand); font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; font-size: 12px;
  font-family: var(--font-sans);
  display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
}
.cguk-kicker::before { content: ''; width: 28px; height: 2px; background: var(--brand); display: block; }

/* ═══════════════════════════════
   CAPABILITY LIST (McKinsey-style)
═══════════════════════════════ */
.cguk-cap-list    { border-top: 1px solid var(--line); }
.cguk-cap-row {
  display: grid; grid-template-columns: 70px 1.2fr 2fr;
  gap: 32px; padding: 40px 0; border-bottom: 1px solid var(--line);
  align-items: start; transition: background .18s;
}
.cguk-cap-row:hover { background: var(--mist); margin: 0 -20px; padding: 40px 20px; }
.cguk-cap-num  { font-family: var(--font-heading); font-size: 26px; color: var(--brand); font-weight: 700; padding-top: 4px; }
.cguk-cap-row h3 { font-size: 21px; margin-bottom: 8px; }
.cguk-cap-row p  { color: var(--grey); margin-bottom: 0; font-size: 15px; }
.cguk-cap-row ul { margin: 14px 0 0; padding-left: 0; list-style: none; columns: 2; color: var(--grey); font-size: 14px; }
.cguk-cap-row ul li { margin-bottom: 7px; padding-left: 16px; position: relative; }
.cguk-cap-row ul li::before { content: '›'; position: absolute; left: 0; color: var(--brand); font-weight: 700; }

/* ═══════════════════════════════
   GRIDS & CARDS
═══════════════════════════════ */
.cguk-grid    { display: grid; gap: 28px; }
.cguk-grid-2  { grid-template-columns: repeat(2, 1fr); }
.cguk-grid-3  { grid-template-columns: repeat(3, 1fr); }
.cguk-grid-4  { grid-template-columns: repeat(4, 1fr); }

/* Insight / article cards (BCG-style) */
.cguk-insight-card { background: var(--white); border: 1px solid var(--line); transition: all .22s ease; display: flex; flex-direction: column; }
.cguk-insight-card:hover { box-shadow: 0 16px 40px rgba(11,33,64,.1); transform: translateY(-4px); border-color: var(--brand); }
.cguk-insight-thumb { background: linear-gradient(135deg, var(--navy) 0%, #1A3D66 100%); height: 180px; position: relative; overflow: hidden; }
.cguk-insight-thumb::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 4px; background: var(--brand); }
.cguk-insight-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.cguk-insight-tag { display: inline-block; background: rgba(41,191,253,.12); color: var(--brand); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .8px; padding: 5px 12px; margin-bottom: 14px; }
.cguk-insight-card h3 { font-size: 18px; margin-bottom: 10px; color: var(--navy); }
.cguk-insight-card p  { color: var(--grey); font-size: 14.5px; flex: 1; margin: 0; }

/* Service cards */
.cguk-service-card { padding: 36px 30px; background: var(--white); border: 1px solid var(--line); transition: all .22s; }
.cguk-service-card:hover { box-shadow: 0 14px 36px rgba(11,33,64,.09); transform: translateY(-3px); border-top: 3px solid var(--brand); }
.cguk-service-icon { width: 54px; height: 54px; border-radius: 10px; background: rgba(41,191,253,.1); color: var(--brand); display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 20px; }
.cguk-service-card h3 { font-size: 19px; margin-bottom: 10px; }
.cguk-service-card p  { color: var(--grey); font-size: 15px; margin-bottom: 14px; }
.cguk-service-card ul { list-style: none; padding: 0; margin: 0; color: var(--grey); font-size: 14px; }
.cguk-service-card ul li { padding: 5px 0 5px 16px; position: relative; border-bottom: 1px solid var(--line); }
.cguk-service-card ul li:last-child { border-bottom: none; }
.cguk-service-card ul li::before { content: '›'; position: absolute; left: 0; color: var(--brand); font-weight: 700; }

/* Industry pills (L.E.K.-style) */
.cguk-industry-pill {
  display: flex; align-items: center; justify-content: space-between;
  padding: 26px 30px; border: 1px solid var(--line); background: var(--white);
  transition: all .2s; cursor: pointer;
}
.cguk-industry-pill:hover { background: var(--navy); border-color: var(--navy); }
.cguk-industry-pill:hover h3, .cguk-industry-pill:hover .cguk-pill-arrow { color: var(--white); }
.cguk-industry-pill h3 { font-size: 17px; margin: 0; font-family: var(--font-sans); font-weight: 600; color: var(--navy); transition: color .2s; }
.cguk-pill-arrow { color: var(--brand); font-size: 22px; font-weight: 300; transition: color .2s; }

/* Approach steps */
.cguk-step { text-align: center; position: relative; }
.cguk-step-num {
  width: 64px; height: 64px; border-radius: 50%; background: var(--brand); color: var(--navy-dark);
  font-family: var(--font-heading); font-size: 22px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 20px;
}
.cguk-step h3 { font-size: 18px; margin-bottom: 8px; }
.cguk-step p  { color: var(--grey); font-size: 14.5px; margin: 0; }

/* Testimonials */
.cguk-testimonial-card {
  background: var(--white); border: 1px solid var(--line);
  padding: 36px 32px; position: relative;
}
.cguk-testimonial-card::before {
  content: '\201C'; font-family: Georgia, serif; font-size: 80px; line-height: 1;
  color: var(--brand); position: absolute; top: 10px; left: 24px; opacity: .25;
}
.cguk-testimonial-text { font-size: 16px; font-style: italic; color: var(--ink); margin-bottom: 24px; line-height: 1.7; }
.cguk-testimonial-author { display: flex; align-items: center; gap: 14px; }
.cguk-testimonial-avatar {
  width: 44px; height: 44px; border-radius: 50%; background: var(--brand);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: var(--navy-dark); font-size: 16px; flex-shrink: 0;
}
.cguk-testimonial-name { font-weight: 700; color: var(--navy); font-size: 15px; }
.cguk-testimonial-role { font-size: 13px; color: var(--grey); }

/* Quote band */
.cguk-quote-band { background: var(--navy); padding: 88px 0; }
.cguk-quote-mark { font-family: Georgia, serif; font-size: 100px; color: var(--brand); opacity: .25; line-height: .7; margin-bottom: 20px; }
.cguk-quote-text { font-family: var(--font-heading); font-size: 26px; color: var(--white); line-height: 1.5; margin-bottom: 28px; max-width: 780px; margin-left: auto; margin-right: auto; }
.cguk-quote-attr { color: var(--brand); font-weight: 700; font-family: var(--font-sans); }
.cguk-quote-attr span { color: #7A9AB4; font-weight: 400; }

/* ═══════════════════════════════
   CTA BAND
═══════════════════════════════ */
.cguk-cta-band { background: var(--mist); border-top: 1px solid var(--line); padding: 64px 0; }
.cguk-cta-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cguk-cta-band-inner h3 { font-size: 26px; margin-bottom: 8px; }
.cguk-cta-band-inner p  { color: var(--grey); margin: 0; }

/* ═══════════════════════════════
   FOOTER
═══════════════════════════════ */
.cguk-footer { background: var(--navy-dark); color: #8BAAC2; padding: 68px 0 0; }
.cguk-footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 44px; padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.cguk-footer-col h4 { color: var(--white); font-size: 13.5px; font-family: var(--font-sans); text-transform: uppercase; letter-spacing: .8px; margin-bottom: 18px; }
.cguk-footer-col ul { list-style: none; padding: 0; margin: 0; }
.cguk-footer-col ul li { margin-bottom: 11px; font-size: 14.5px; }
.cguk-footer-col ul li a { color: #8BAAC2; transition: color .2s; }
.cguk-footer-col ul li a:hover { color: var(--brand); }
.cguk-footer-logo-img { height: 38px; width: auto; background: white; padding: 5px 10px; border-radius: 4px; margin-bottom: 18px; }
.cguk-footer-col p, .cguk-footer-col address { font-size: 14.5px; color: #8BAAC2; line-height: 1.8; font-style: normal; margin-bottom: 12px; }
.cguk-footer-col a[href^="mailto"] { color: var(--brand); font-weight: 600; }
.cguk-footer-school { font-size: 13px; color: #5C7A94; margin-top: 12px; }
.cguk-footer-bottom { display: flex; justify-content: space-between; padding: 22px 28px; font-size: 13px; color: #4A6880; }

/* ═══════════════════════════════
   PAGE HERO (inner pages)
═══════════════════════════════ */
.cguk-page-hero {
  background: linear-gradient(120deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: var(--white); padding: 80px 0;
}
.cguk-page-hero h1 { color: var(--white); font-size: 40px; margin-bottom: 12px; }
.cguk-page-hero p  { color: #A8BCCF; max-width: 640px; font-size: 17px; }
.cguk-breadcrumb   { font-size: 12px; color: var(--brand); margin-bottom: 16px; text-transform: uppercase; letter-spacing: .8px; font-family: var(--font-sans); }

/* ═══════════════════════════════
   FORMS
═══════════════════════════════ */
.cguk-form { display: grid; gap: 20px; }
.cguk-form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.cguk-form label { display: block; font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .4px; margin-bottom: 8px; color: var(--navy); }
.cguk-form input, .cguk-form select, .cguk-form textarea {
  width: 100%; padding: 13px 15px; border: 1px solid var(--line); border-radius: 2px;
  font-family: var(--font-sans); font-size: 15px; background: var(--white); color: var(--ink);
}
.cguk-form input:focus, .cguk-form select:focus, .cguk-form textarea:focus { outline: none; border-color: var(--brand); }
.cguk-form-msg { padding: 14px 18px; border-radius: 2px; margin-bottom: 20px; font-weight: 500; }
.cguk-form-msg.success { background: #E8F5E9; color: #1B5E20; }
.cguk-form-msg.error   { background: #FEF2F2; color: #991B1B; }

.cguk-contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 52px; }
.cguk-contact-info-card { background: var(--navy); color: var(--white); padding: 40px; }
.cguk-contact-info-card h3  { color: var(--white); }
.cguk-contact-info-card address { font-style: normal; line-height: 1.9; margin: 18px 0; color: #A8BCCF; }
.cguk-contact-info-card a   { color: var(--brand); font-weight: 600; }
.cguk-map-embed { margin-top: 22px; border: 1px solid rgba(255,255,255,.1); }
.cguk-map-embed iframe { width: 100%; height: 220px; border: 0; display: block; }

/* ═══════════════════════════════
   MISC UTILITIES
═══════════════════════════════ */
.cguk-text-center  { text-align: center; }
.cguk-mt-40        { margin-top: 40px; }
.cguk-mt-56        { margin-top: 56px; }
.cguk-divider      { height: 1px; background: var(--line); }
.cguk-career-track { border-left: 3px solid var(--brand); padding-left: 24px; margin-bottom: 36px; }
.cguk-values-list  { list-style: none; padding: 0; margin: 0; }
.cguk-values-list li { padding: 12px 0 12px 30px; position: relative; border-bottom: 1px solid var(--line); font-weight: 500; }
.cguk-values-list li::before { content: '✓'; position: absolute; left: 0; top: 12px; width: 22px; height: 22px; border-radius: 50%; background: var(--brand); color: var(--navy-dark); font-size: 11px; font-weight: 800; display: flex; align-items: center; justify-content: center; }

/* ═══════════════════════════════
   RESPONSIVE
═══════════════════════════════ */
@media (max-width: 1024px) {
  .cguk-grid-4      { grid-template-columns: repeat(2, 1fr); }
  .cguk-grid-3      { grid-template-columns: repeat(2, 1fr); }
  .cguk-cap-row     { grid-template-columns: 60px 1fr; }
  .cguk-cap-row ul  { columns: 1; }
  .cguk-contact-grid { grid-template-columns: 1fr; }
  .cguk-footer-grid  { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .cguk-nav, .cguk-header-cta { display: none !important; }
  .cguk-mobile-toggle { display: flex !important; }
  .cguk-hero h1  { font-size: 34px; }
  .cguk-hero     { padding: 70px 0; }
  .cguk-section  { padding: 60px 0; }
  .cguk-grid-3, .cguk-grid-2, .cguk-grid-4 { grid-template-columns: 1fr; }
  .cguk-form-row-2  { grid-template-columns: 1fr; }
  .cguk-footer-grid { grid-template-columns: 1fr; }
  .cguk-cta-band-inner { flex-direction: column; text-align: center; }
  .cguk-hero-ticker { gap: 28px; }
  .cguk-ticker-item { border-right: none; padding-right: 0; margin-right: 0; }
  .cguk-cap-row { grid-template-columns: 1fr; gap: 12px; }
  .cguk-cap-num { font-size: 20px; }
}
.cguk-nav-open { display: block !important; position: absolute; top: 72px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--line); padding: 20px 28px; z-index: 998; }
.cguk-nav-open .cguk-menu { flex-direction: column; gap: 0; }
.cguk-nav-open .cguk-menu li a { display: block; padding: 13px 0; border-bottom: 1px solid var(--line); }