/* ============================================================
   Strategy67 — Global Styles
   McKinsey-caliber professional design system
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --navy:           #0B1629;
  --navy-mid:       #0F2040;
  --navy-light:     #162844;
  --blue-primary:   #1B4FBE;
  --blue-accent:    #3B7DD8;
  --blue-bright:    #60A5FA;
  --silver:         #94A3B8;
  --silver-light:   #CBD5E1;
  --white:          #FFFFFF;
  --off-white:      #F8FAFC;
  --gray-50:        #F1F5F9;
  --gray-100:       #E2E8F0;
  --gray-200:       #CBD5E1;
  --gray-400:       #94A3B8;
  --gray-600:       #475569;
  --gray-800:       #1E293B;
  --text-dark:      #0F172A;
  --text-medium:    #334155;
  --text-light:     #64748B;
  --gold:           #C9A84C;

  --font-sans: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg:  0 20px 60px rgba(0,0,0,.15), 0 8px 24px rgba(0,0,0,.10);
  --shadow-xl:  0 40px 80px rgba(0,0,0,.20);

  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  overflow-wrap: break-word;
  word-break: break-word;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- Typography ---------- */
.display-1 { font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 700; line-height: 1.08; letter-spacing: -0.02em; }
.display-2 { font-size: clamp(2rem, 4.5vw, 3.75rem); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
.display-3 { font-size: clamp(1.75rem, 3vw, 2.75rem); font-weight: 700; line-height: 1.15; letter-spacing: -0.015em; }
.heading-1 { font-size: clamp(1.5rem, 2.5vw, 2.25rem); font-weight: 600; line-height: 1.25; letter-spacing: -0.01em; }
.heading-2 { font-size: clamp(1.25rem, 2vw, 1.75rem); font-weight: 600; line-height: 1.3; }
.heading-3 { font-size: 1.125rem; font-weight: 600; line-height: 1.4; }
.body-lg   { font-size: 1.125rem; line-height: 1.75; }
.body-md   { font-size: 1rem;     line-height: 1.7; }
.body-sm   { font-size: 0.875rem; line-height: 1.6; }
.label     { font-size: 0.75rem;  font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }

/* ---------- Layout Utilities ---------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 4rem);
}
.container--narrow {
  max-width: 900px;
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 4rem);
}

.section { padding-block: clamp(4rem, 8vw, 7rem); }
.section--dark { background: var(--navy); color: var(--white); }
.section--navy-mid { background: var(--navy-mid); color: var(--white); }
.section--gray { background: var(--gray-50); }
.section--white { background: var(--white); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }

/* Two-column content grid (collapses on tablet/mobile) */
.two-col-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.two-col-content-grid--center { align-items: center; }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 4px 40px rgba(0,0,0,0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 4rem);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}
.header-logo img {
  height: 44px;
  width: auto;
  border-radius: var(--radius-sm);
}
.header-logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}
.header-logo-text span {
  color: var(--blue-accent);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--silver-light);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.07); }
.nav-link.active { color: var(--white); }

.header-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  border: none;
  background: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0; bottom: 0;
  background: var(--navy);
  padding: 2rem clamp(1.5rem, 5vw, 4rem);
  z-index: 999;
  overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu .nav-link {
  display: block;
  font-size: 1.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.btn-primary {
  background: var(--blue-primary);
  color: var(--white);
  border-color: var(--blue-primary);
}
.btn-primary:hover {
  background: var(--blue-accent);
  border-color: var(--blue-accent);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(27,79,190,0.35);
}
.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}
.btn-outline-dark {
  background: transparent;
  color: var(--text-dark);
  border-color: var(--gray-200);
}
.btn-outline-dark:hover {
  background: var(--text-dark);
  color: var(--white);
  border-color: var(--text-dark);
}
.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1rem;
}
.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.8rem;
}

/* Arrow icon */
.btn-arrow::after {
  content: '→';
  font-size: 1.1em;
  transition: transform var(--transition);
}
.btn-arrow:hover::after { transform: translateX(4px); }

/* ---------- Section Headers ---------- */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--blue-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--blue-accent);
  flex-shrink: 0;
}
.section-header { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-header--center { text-align: center; }
.section-header--center .section-eyebrow { justify-content: center; }
.section-subtitle {
  color: var(--text-light);
  margin-top: 1rem;
  max-width: 640px;
}
.section-header--center .section-subtitle { margin-inline: auto; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(27,79,190,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 10% 80%, rgba(59,125,216,0.10) 0%, transparent 60%),
    linear-gradient(135deg, #060d1f 0%, #0B1629 50%, #0d1e3a 100%);
}

/* Grid overlay */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,125,216,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,125,216,0.06) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 70%, transparent 100%);
}

/* Glow orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
  animation: orb-float 8s ease-in-out infinite;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: var(--blue-primary);
  top: -100px; right: -100px;
  animation-delay: 0s;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  background: var(--blue-accent);
  bottom: -50px; left: -50px;
  animation-delay: -4s;
}
@keyframes orb-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 4rem);
  padding-block: clamp(4rem, 8vw, 6rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text {}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(59,125,216,0.15);
  border: 1px solid rgba(59,125,216,0.3);
  border-radius: 100px;
  padding: 0.375rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 1.75rem;
}
.hero-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue-bright);
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  color: var(--white);
  margin-bottom: 1.5rem;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--blue-accent) 0%, var(--blue-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  color: var(--silver-light);
  font-size: 1.125rem;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  max-width: 520px;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 3rem;
}
.hero-stat {
  background: rgba(11,22,41,0.8);
  padding: 1.5rem;
  text-align: center;
  backdrop-filter: blur(8px);
}
.hero-stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.25rem;
}
.hero-stat-number span {
  color: var(--blue-accent);
}
.hero-stat-label {
  font-size: 0.75rem;
  color: var(--silver);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-card-stack {
  position: relative;
  width: 100%;
  max-width: 480px;
}
.hero-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(20px);
  transition: transform var(--transition-slow);
}
.hero-card-main {
  position: relative;
  z-index: 2;
}
.hero-card-behind {
  position: absolute;
  top: -16px; right: -16px;
  width: 100%;
  height: 100%;
  background: rgba(27,79,190,0.15);
  border: 1px solid rgba(27,79,190,0.25);
  border-radius: var(--radius-lg);
  z-index: 1;
}
.hero-card-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
}
.hero-card-title {
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.hero-card-text {
  color: var(--silver);
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}
.hero-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.tag-blue {
  background: rgba(59,125,216,0.2);
  color: var(--blue-bright);
  border: 1px solid rgba(59,125,216,0.3);
}
.tag-silver {
  background: rgba(148,163,184,0.1);
  color: var(--silver-light);
  border: 1px solid rgba(148,163,184,0.2);
}

/* ---------- Methodology / 4D ---------- */
.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.method-step {
  background: var(--navy-light);
  padding: 2.5rem 2rem;
  border-right: 1px solid rgba(255,255,255,0.06);
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}
.method-step:last-child { border-right: none; }
.method-step::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-primary), var(--blue-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}
.method-step:hover { background: rgba(27,79,190,0.12); }
.method-step:hover::before { transform: scaleX(1); }
.method-step-number {
  font-size: 3rem;
  font-weight: 800;
  color: rgba(59,125,216,0.15);
  line-height: 1;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}
.method-step-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-accent);
  margin-bottom: 0.5rem;
}
.method-step-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.method-step-text {
  font-size: 0.9rem;
  color: var(--silver);
  line-height: 1.7;
}

/* ---------- Service Cards ---------- */
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-primary), var(--blue-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--gray-200);
}
.service-card:hover::after { transform: scaleX(1); }

.service-card-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, rgba(27,79,190,0.1), rgba(59,125,216,0.1));
  border: 1px solid rgba(27,79,190,0.15);
}
.service-card-eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-primary);
  margin-bottom: 0.5rem;
}
.service-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.service-card-text {
  color: var(--text-light);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  flex: 1;
}
.service-card-duration {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-medium);
  margin-bottom: 1.5rem;
  padding: 0.25rem 0.75rem;
  background: var(--gray-50);
  border-radius: 100px;
}
.service-card-duration::before {
  content: '◷';
  color: var(--blue-accent);
}
.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blue-primary);
  transition: gap var(--transition);
}
.service-card-link:hover { gap: 0.625rem; }
.service-card-link::after { content: '→'; }

/* Service Detail */
.service-detail-hero {
  background: var(--navy);
  padding-top: 72px;
  padding-block: 72px clamp(4rem,8vw,6rem);
  color: var(--white);
}
.service-deliverables {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.deliverable-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1.25rem;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--blue-primary);
}
.deliverable-item::before {
  content: '✓';
  color: var(--blue-primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.1em;
}

/* ---------- Industries ---------- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.industry-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: all var(--transition);
}
.industry-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--blue-accent);
  transform: translateY(-2px);
}
.industry-icon {
  width: 44px;
  height: 44px;
  background: rgba(27,79,190,0.07);
  border: 1px solid rgba(27,79,190,0.14);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-primary);
  flex-shrink: 0;
  transition: all var(--transition);
}
.industry-card:hover .industry-icon {
  background: var(--blue-primary);
  border-color: var(--blue-primary);
  color: var(--white);
}
.industry-card-title { font-weight: 600; color: var(--text-dark); margin-bottom: 0.25rem; }
.industry-card-text { font-size: 0.875rem; color: var(--text-light); line-height: 1.6; }

/* ---------- 4D Timeline ---------- */
.timeline-4d {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  position: relative;
}
.timeline-4d::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 2px;
  background: linear-gradient(90deg, var(--blue-primary), var(--blue-accent));
  z-index: 0;
}
.timeline-4d-step {
  text-align: center;
  padding: 2rem 1.5rem 2.5rem;
  position: relative;
  z-index: 1;
}
.timeline-4d-dot {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--navy);
  border: 2px solid var(--blue-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-bottom: 1.5rem;
  font-size: .8rem;
  font-weight: 800;
  color: var(--blue-bright);
  transition: all var(--transition);
  position: relative;
  z-index: 1;
}
.timeline-4d-step:hover .timeline-4d-dot {
  background: var(--blue-primary);
  border-color: var(--blue-primary);
  color: var(--white);
  transform: scale(1.1);
  box-shadow: 0 0 0 6px rgba(27,79,190,0.2);
}
.timeline-4d-phase {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue-accent);
  margin-bottom: .375rem;
}
.timeline-4d-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: .625rem;
}
.timeline-4d-text {
  font-size: .875rem;
  color: var(--silver);
  line-height: 1.7;
}
@media (max-width: 768px) {
  .timeline-4d { grid-template-columns: 1fr 1fr; }
  .timeline-4d::before { display: none; }
}
@media (max-width: 600px) {
  .timeline-4d { grid-template-columns: 1fr; }
  .timeline-4d-step { padding: 1.25rem 1rem 1.75rem; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .timeline-4d-step:last-child { border-bottom: none; }
}

/* ---------- SVG icon problem cards ---------- */
.problem-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(27,79,190,0.08);
  border: 1px solid rgba(27,79,190,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-primary);
  margin-inline: auto;
  margin-bottom: 1.25rem;
}

/* ---------- Engagement Models ---------- */
.engagement-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.engagement-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition);
}
.engagement-card:hover {
  background: rgba(59,125,216,0.08);
  border-color: rgba(59,125,216,0.25);
}
.engagement-card-number {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--blue-accent);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.engagement-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.engagement-card-text {
  font-size: 0.9rem;
  color: var(--silver);
  line-height: 1.7;
}

/* ---------- Outcomes ---------- */
.outcome-stat {
  text-align: center;
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--gray-100);
}
.outcome-stat:last-child { border-right: none; }
.outcome-number {
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--blue-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.outcome-label {
  font-size: 0.875rem;
  color: var(--text-medium);
  line-height: 1.5;
}
.outcome-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.outcome-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--gray-50);
  border-radius: var(--radius-md);
}
.outcome-item-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  flex-shrink: 0;
}
.outcome-item-title { font-weight: 600; color: var(--text-dark); margin-bottom: 0.25rem; }
.outcome-item-text { font-size: 0.875rem; color: var(--text-light); line-height: 1.6; }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 50%, #0d2a5e 100%);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,125,216,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,125,216,0.08) 1px, transparent 1px);
  background-size: 60px 60px;
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 4rem);
  padding-block: clamp(4rem, 8vw, 6rem);
}
.cta-title { color: var(--white); margin-bottom: 1rem; }
.cta-text { color: var(--silver-light); font-size: 1.125rem; margin-bottom: 2.5rem; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
}
.contact-info-icon {
  width: 44px; height: 44px;
  background: rgba(27,79,190,0.1);
  border: 1px solid rgba(27,79,190,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  flex-shrink: 0;
}
.contact-info-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-light); margin-bottom: 0.25rem; }
.contact-info-value { font-weight: 600; color: var(--text-dark); }

/* Form */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-medium);
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}
.form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--text-dark);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: var(--font-sans);
  outline: none;
}
.form-control:focus {
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(27,79,190,0.12);
}
.form-control::placeholder { color: var(--gray-400); }
textarea.form-control { min-height: 140px; resize: vertical; }
select.form-control { appearance: none; cursor: pointer; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: var(--silver-light);
  padding-top: clamp(3rem, 6vw, 5rem);
}
.footer-inner {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 4rem);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.footer-brand-logo img { height: 40px; border-radius: var(--radius-sm); }
.footer-brand-name { font-size: 1.125rem; font-weight: 700; color: var(--white); }
.footer-tagline { font-size: 0.9rem; line-height: 1.65; color: var(--silver); margin-bottom: 1.5rem; }
.footer-social { display: flex; gap: 0.75rem; }
.social-link {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: var(--silver);
  transition: all var(--transition);
}
.social-link:hover {
  background: var(--blue-primary);
  border-color: var(--blue-primary);
  color: var(--white);
}
.footer-col-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1.25rem;
}
.footer-links { display: flex; flex-direction: column; gap: 0.625rem; }
.footer-link {
  font-size: 0.875rem;
  color: var(--silver);
  transition: color var(--transition);
}
.footer-link:hover { color: var(--white); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.5rem;
  font-size: 0.8125rem;
  color: var(--silver);
}
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-link { color: var(--silver); transition: color var(--transition); }
.footer-bottom-link:hover { color: var(--white); }

/* ---------- Page-specific: About ---------- */
.about-hero {
  background: var(--navy);
  padding-top: 72px;
  padding-block: 72px clamp(4rem, 8vw, 7rem);
}
.value-card {
  padding: 2rem;
  border-radius: var(--radius-md);
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  transition: all var(--transition);
}
.value-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--blue-accent);
}
.value-card-icon { font-size: 2rem; margin-bottom: 1rem; }
.value-card-title { font-weight: 700; color: var(--text-dark); margin-bottom: 0.5rem; }
.value-card-text { font-size: 0.9rem; color: var(--text-light); line-height: 1.65; }
.team-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
}
.team-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-inline: auto;
  margin-bottom: 1rem;
  color: white;
  font-weight: 700;
}

/* ---------- Divider ---------- */
.divider {
  height: 1px;
  background: var(--gray-100);
  margin-block: 0;
}
.divider--dark { background: rgba(255,255,255,0.07); }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--silver);
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--silver); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb-sep { color: rgba(255,255,255,0.3); }

/* ---------- Scroll Animations ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}
.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }

/* ---------- Sticky nav active ---------- */
.nav-link.is-active { color: var(--white); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { display: none; }
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .method-step { border-bottom: 1px solid rgba(255,255,255,0.06); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .two-col-content-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 768px) {
  .header-nav, .header-cta { display: none; }
  .hamburger { display: flex; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: 1fr; }
  /* Hero stats: keep 3-col at 768px */
  .hero-stats { grid-template-columns: repeat(3, 1fr); }
  .hero-stat { padding: 1rem 0.75rem; }
  .hero-stat-number { font-size: 1.5rem; }
  .hero-stat-label { font-size: 0.65rem; }
  /* Hero: don't force full viewport height on small screens */
  .hero { min-height: auto; }
  .engagement-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .service-deliverables { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .footer-bottom-links { flex-wrap: wrap; justify-content: center; }
  .form-row { grid-template-columns: 1fr; }
  .outcome-stat { border-right: none; border-bottom: 1px solid var(--gray-100); padding: 1.5rem 1rem; }
  .outcome-stat:last-child { border-bottom: none; }
  /* Section headers */
  .section-header { margin-bottom: 2rem; }
  /* Reduce vertical spacing on mobile */
  .section { padding-block: clamp(2.25rem, 6vw, 3.5rem); }
  .hero-content { padding-block: clamp(2rem, 6vw, 3rem); }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { text-align: center; justify-content: center; }
  .cta-actions { flex-direction: column; align-items: center; }
  /* Stats: tighten on small phones */
  .hero-stats { grid-template-columns: repeat(3, 1fr); }
  .hero-stat { padding: 0.875rem 0.5rem; }
  .hero-stat-number { font-size: 1.25rem; }
  .hero-stat-label { font-size: 0.6rem; }
  /* Typography scale down for small phones */
  .display-1 { font-size: clamp(1.875rem, 9vw, 2.5rem); }
  .display-2 { font-size: clamp(1.625rem, 7vw, 2rem); }
  .display-3 { font-size: clamp(1.375rem, 6vw, 1.75rem); }
  /* Reduce padding on small screens */
  .container, .container--narrow { padding-inline: 1rem; }
  .hero-content { padding-inline: 1rem; padding-block: 2rem; }
  .hero-desc { font-size: 1rem; }
  .section { padding-block: 2rem; }
  .section-header { margin-bottom: 1.5rem; }
  /* Improve button touch targets */
  .btn { min-height: 44px; }
  /* Two-col gap tighter */
  .two-col-content-grid { gap: 2rem; }
}

/* Very small screens (iPhone SE, older Android) */
@media (max-width: 360px) {
  .header-logo img { height: 36px; }
  .header-logo-text { font-size: 1.05rem; }
  .hero-content { padding-block: 1.75rem; }
  .display-1 { font-size: clamp(1.75rem, 9vw, 2.25rem); }
  .hero-stat-number { font-size: 1.1rem; }
  .hero-stat-label { font-size: 0.55rem; }
}

/* ---------- Cookie Banner ---------- */
#cookieBanner {
  display: none;
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  width: calc(100% - 3rem);
  max-width: 860px;
  background: var(--navy-light);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.cookie-text {
  flex: 1;
  font-size: 0.875rem;
  color: var(--silver-light);
  line-height: 1.6;
  min-width: 200px;
}
.cookie-text a {
  color: var(--blue-bright);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.cookie-actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}
@media (max-width: 600px) {
  #cookieBanner { bottom: 0; left: 0; right: 0; transform: none; width: 100%; border-radius: var(--radius-md) var(--radius-md) 0 0; }
  .cookie-text { min-width: 100%; }
}

/* ---------- Accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--blue-accent);
  outline-offset: 3px;
}
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}