/* =============================================
   CVX CORVEN MEDTECH — Global Stylesheet
   Design: Deep navy authority + surgical white
   Type: DM Serif Display (headings) + Inter (body)
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Inter:wght@300;400;500;600&display=swap');

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:       #0B1F3A;
  --navy-mid:   #122B52;
  --navy-light: #1A3A6E;
  --ice:        #EEF3FA;
  --white:      #FFFFFF;
  --gold:       #C8A96E;
  
  --text:       #1C2B3A;
  --muted:      #5A7090;
  --border:     #D0DDF0;
  --gold:       #C8A96E;
  --gold-pale:  #F5EED8;

  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans:  'Inter', system-ui, sans-serif;

  --max-w: 1140px;
  --radius: 4px;
  --transition: 200ms ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--white);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  line-height: 1.2;
  color: var(--navy);
}

h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; }

p { max-width: 68ch; line-height: 1.75; }

/* --- Layout Utilities --- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section--sm { padding: 64px 0; }
.section--navy { background: var(--navy); color: var(--white); }
.section--navy h1,
.section--navy h2,
.section--navy h3,
.section--navy h4 { color: var(--white); }
.section--ice { background: var(--ice); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 14px 28px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}
.btn-primary:hover { background: #b5944f; border-color: #b5944f; }

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }

.btn-outline-navy {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline-navy:hover { background: var(--navy); color: var(--white); }

/* =============================================
   NAVIGATION
   ============================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(11, 31, 58, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav__logo span { color: var(--gold); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 400;
  color: rgba(255,255,255,0.75);
  transition: color var(--transition);
}
.nav__links a:hover,
.nav__links a.active { color: var(--white); }

.nav__cta {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 9px 20px;
  background: var(--gold);
  color: var(--navy);
  border-radius: var(--radius);
  transition: var(--transition);
}
.nav__cta:hover { background: #b5944f; }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

/* =============================================
   HOME PAGE
   ============================================= */

/* Hero */
.hero {
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  align-items: center;
  padding-top: 68px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 80% 30%, rgba(200,169,110,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 50% at 10% 80%, rgba(26,58,110,0.6) 0%, transparent 50%);
  pointer-events: none;
}

/* Subtle grid lines */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 24px;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 64px;
  align-items: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero__eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--gold);
}

.hero h1 {
  color: var(--white);
  margin-bottom: 24px;
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
}

.hero h1 em {
  font-style: italic;
  color: var(--gold);
}

.hero__sub {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 52ch;
  margin-bottom: 40px;
}

.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Stats panel */
.hero__stats {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 40px;
  backdrop-filter: blur(8px);
}

.hero__stat {
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.hero__stat:last-child { border-bottom: none; }

.hero__stat-num {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  color: var(--white);
  line-height: 1;
  margin-bottom: 4px;
}

.hero__stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  font-weight: 400;
}

.hero__stat-sub {
  font-size: 0.75rem;
  color: var(--gold);
  margin-top: 4px;
}

/* Alumni logos */
.alumni-bar {
  background: var(--navy-mid);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0;
}

.alumni-bar__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.alumni-bar__label {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
  padding-right: 16px;
  border-right: 1px solid rgba(255,255,255,0.1);
}

.alumni-bar__logos {
  display: flex;
  gap: 32px;
  align-items: center;
  flex-wrap: wrap;
}

.alumni-bar__logo {
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.05em;
}

/* Four service areas */
.services-intro {
  text-align: center;
  margin-bottom: 64px;
}
.services-intro h2 { margin-bottom: 12px; }
.services-intro p { color: var(--muted); margin: 0 auto; }

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 300ms ease;
}

.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { border-color: rgba(200,169,110,0.3); box-shadow: 0 8px 32px rgba(11,31,58,0.08); }

.service-card__icon {
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.service-card h3 { margin-bottom: 12px; font-size: 1.1rem; }
.service-card p { color: var(--muted); font-size: 0.9rem; }

.service-card__tags {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  background: var(--ice);
  color: var(--navy-light);
  border-radius: 2px;
}

/* Case study highlights */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.case-card {
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.case-card__header {
  background: var(--navy);
  padding: 28px;
  position: relative;
}

.case-card__co {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.case-card__header h4 {
  color: var(--white);
  font-size: 1rem;
  line-height: 1.35;
}

.case-card__body {
  padding: 24px 28px;
  background: var(--white);
}

.case-card__body p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.65;
}

/* Offices map section */
.offices-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.office-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  padding: 28px 24px;
  text-align: center;
}

.office-card__flag { font-size: 2rem; margin-bottom: 12px; }
.office-card__city { font-size: 0.9rem; font-weight: 500; color: var(--white); }
.office-card__country { font-size: 0.75rem; color: rgba(255,255,255,0.45); margin-top: 4px; }

/* =============================================
   ABOUT PAGE
   ============================================= */

.page-hero {
  background: var(--navy);
  padding: 160px 0 80px;
  text-align: center;
}

.page-hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.page-hero h1 { color: var(--white); margin-bottom: 20px; }
.page-hero p { color: rgba(255,255,255,0.65); margin: 0 auto; font-size: 1.05rem; }

/* Stats row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin: 64px 0;
}

.stat-block {
  padding: 48px 40px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.stat-block:last-child { border-right: none; }

.stat-block__num {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-block__label {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Principles */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.principle {
  background: var(--white);
  padding: 36px 32px;
}

.principle__num {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.principle h4 { margin-bottom: 12px; font-size: 1rem; }
.principle p { font-size: 0.875rem; color: var(--muted); max-width: none; }

/* Leadership */
.leader-wrap {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 64px;
  align-items: start;
}

.leader-img {
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--ice);
  position: relative;
}

.leader-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.leader-info h3 { margin-bottom: 4px; }
.leader-title { font-size: 0.875rem; color: var(--gold); font-weight: 500; margin-bottom: 24px; }
.leader-bio { color: var(--muted); margin-bottom: 32px; }

.credentials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.credential-group h5 {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 12px;
}

.credential-group ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.credential-group ul li {
  font-size: 0.8rem;
  padding: 5px 12px;
  background: var(--ice);
  color: var(--navy);
  border-radius: 2px;
  font-weight: 500;
}

/* Career timeline */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 1px;
  background: var(--border);
}

.timeline-item { position: relative; margin-bottom: 32px; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px; top: 6px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid var(--white);
  box-shadow: 0 0 0 2px var(--gold);
}

.timeline-item h5 { font-size: 0.9rem; font-weight: 600; margin-bottom: 2px; }
.timeline-item span { font-size: 0.8rem; color: var(--muted); }

/* =============================================
   CONSULTING / REGULATORY PAGES
   ============================================= */

.stages-nav {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 64px;
  flex-wrap: wrap;
}

.stage-tab {
  flex: 1;
  padding: 16px 12px;
  text-align: center;
  border-right: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
  background: var(--white);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  min-width: 120px;
}
.stage-tab:last-child { border-right: none; }
.stage-tab:hover { background: var(--ice); }
.stage-tab.active { background: var(--navy); color: var(--white); }

.stage-num {
  display: block;
  font-size: 0.65rem;
  color: var(--gold);
  margin-bottom: 4px;
  font-weight: 600;
}

.stage-content { display: none; }
.stage-content.active { display: grid; grid-template-columns: 1fr 360px; gap: 64px; }

.stage-content h2 { margin-bottom: 16px; }
.stage-content p { color: var(--muted); margin-bottom: 32px; }

.deliverables h5 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 16px;
  font-weight: 600;
}

.deliverables ul { list-style: none; }
.deliverables li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 12px;
}
.deliverables li::before {
  content: '';
  display: block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

/* Regulatory markets grid */
.markets-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.market-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}

.market-card:hover { border-color: var(--gold); }

.market-card__flag { font-size: 1.8rem; margin-bottom: 12px; }
.market-card__org { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); margin-bottom: 4px; }
.market-card__region { font-size: 0.875rem; color: var(--muted); }

/* Regulatory deadline alert */
.deadline-alert {
  background: var(--navy);
  border-left: 3px solid var(--gold);
  border-radius: 4px;
  padding: 20px 24px;
  margin-bottom: 20px;
}

.deadline-alert__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 10px;
}

.deadline-alert h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 8px; }
.deadline-alert p { color: rgba(255,255,255,0.6); font-size: 0.85rem; max-width: none; }

.deadline-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 2px;
  margin-top: 10px;
  background: rgba(200,169,110,0.15);
  color: var(--gold);
}

/* =============================================
   CONTACT PAGE
   ============================================= */

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 460px;
  gap: 64px;
  align-items: start;
}

.contact-info h2 { margin-bottom: 16px; }
.contact-info p { color: var(--muted); margin-bottom: 40px; }

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.contact-detail__icon {
  width: 40px; height: 40px;
  background: var(--ice);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-detail__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 4px;
  font-weight: 500;
}

.contact-detail__value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--navy);
}

.offices-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 24px;
}

.office-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text);
  padding: 10px 14px;
  background: var(--ice);
  border-radius: 4px;
}

/* Form */
.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 40px;
}

.contact-form-wrap h3 { margin-bottom: 8px; }
.contact-form-wrap > p { font-size: 0.875rem; color: var(--muted); margin-bottom: 32px; }

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(11,31,58,0.08);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--navy);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.form-submit:hover { background: var(--navy-light); }

.form-note {
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
  margin-top: 12px;
}

/* Success state */
.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}
.form-success__icon { font-size: 3rem; margin-bottom: 16px; }
.form-success h4 { margin-bottom: 8px; }
.form-success p { color: var(--muted); font-size: 0.875rem; margin: 0 auto; }

/* =============================================
   BLOG / CASE STUDIES
   ============================================= */

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.cs-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition);
}

.cs-card:hover { box-shadow: 0 12px 40px rgba(11,31,58,0.1); transform: translateY(-2px); }

.cs-card__header {
  background: var(--navy);
  padding: 28px;
}

.cs-card__cat {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.cs-card__header h3 {
  color: var(--white);
  font-size: 1rem;
  line-height: 1.4;
}

.cs-card__body { padding: 24px; }
.cs-card__body p { font-size: 0.875rem; color: var(--muted); }

.cs-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--navy);
}

.cs-card__link:hover { color: var(--gold); }

/* Blog posts section */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.blog-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover { box-shadow: 0 8px 32px rgba(11,31,58,0.08); }

.blog-card__img {
  aspect-ratio: 16/9;
  background: var(--ice);
  overflow: hidden;
}

.blog-card__img img { width: 100%; height: 100%; object-fit: cover; }

.blog-card__body { padding: 24px; }

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 12px;
}

.blog-card__meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--muted); }

.blog-card h4 { font-size: 1rem; margin-bottom: 10px; line-height: 1.4; }
.blog-card p { font-size: 0.875rem; color: var(--muted); }

/* =============================================
   FOOTER
   ============================================= */

footer {
  background: var(--navy);
  color: var(--white);
  padding: 64px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 280px 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  margin-top: 16px;
  max-width: 26ch;
  line-height: 1.7;
}

.footer__col h5 {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 20px;
}

.footer__col ul { list-style: none; }
.footer__col ul li { margin-bottom: 12px; }
.footer__col ul li a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
.footer__col ul li a:hover { color: var(--white); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  max-width: none;
}

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__stats { display: grid; grid-template-columns: repeat(3, 1fr); }
  .hero__stat { border-bottom: none; border-right: 1px solid rgba(255,255,255,0.08); padding: 20px; text-align: center; }
  .hero__stat:last-child { border-right: none; }

  .grid-2, .leader-wrap, .contact-wrap, .stage-content.active { grid-template-columns: 1fr; }
  .grid-3, .case-grid, .case-studies-grid, .blog-grid, .principles-grid { grid-template-columns: 1fr 1fr; }
  .grid-4, .offices-grid, .markets-grid, .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: 1fr; }
  .stat-block { border-right: none; border-bottom: 1px solid var(--border); }
}

@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .grid-3, .case-grid, .case-studies-grid, .blog-grid, .principles-grid { grid-template-columns: 1fr; }
  .grid-4, .offices-grid, .markets-grid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .credentials-grid, .form-row, .offices-list { grid-template-columns: 1fr; }

  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__hamburger { display: flex; }

  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0; right: 0;
    background: var(--navy);
    padding: 20px 24px;
    gap: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  .hero__actions { flex-direction: column; }
  .stages-nav { flex-direction: column; }
  .stage-tab { border-right: none; border-bottom: 1px solid var(--border); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}