/* ============================================================
   Ruth James
   Design system: brand-kit driven
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Brand colors */
  --navy: #0F2742;
  --navy-90: rgba(15, 39, 66, 0.9);
  --navy-80: rgba(15, 39, 66, 0.8);
  --navy-60: rgba(15, 39, 66, 0.6);
  --navy-12: rgba(15, 39, 66, 0.12);
  --navy-06: rgba(15, 39, 66, 0.06);
  --slate: #556370;
  --cyan: #4DB7D7;
  --cyan-dark: #2E91B0;
  --cyan-soft: rgba(77, 183, 215, 0.12);
  --warm-white: #F8FAFC;
  --silver: #C6CDD3;
  --silver-light: #E5E8EB;

  /* Typography */
  --font-display: 'Manrope', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-serif: 'Cormorant Garamond', Georgia, serif;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* Layout */
  --container: 1200px;
  --container-narrow: 880px;
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 39, 66, 0.04), 0 1px 3px rgba(15, 39, 66, 0.06);
  --shadow: 0 4px 6px rgba(15, 39, 66, 0.04), 0 10px 15px rgba(15, 39, 66, 0.08);
  --shadow-lg: 0 12px 24px rgba(15, 39, 66, 0.08), 0 24px 48px rgba(15, 39, 66, 0.12);

  /* Transitions */
  --t-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --t: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--navy);
  background: var(--warm-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; }
a { color: var(--cyan-dark); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--navy); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--navy);
  margin: 0;
  line-height: 1.2;
}
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); line-height: 1.08; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); letter-spacing: -0.02em; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; font-weight: 600; }
p { margin: 0 0 1rem; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-dark);
  margin-bottom: var(--space-4);
}

/* ---------- Layout primitives ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-5); }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--space-5); }
.section { padding: var(--space-9) 0; }
.section-tight { padding: var(--space-8) 0; }
.section-alt { background: white; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--navy-06);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  gap: var(--space-5);
}
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 72px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--navy);
  position: relative;
  padding: var(--space-2) 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t);
}
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--navy); }
.nav-cta { display: inline-flex; }
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  color: var(--navy);
  padding: var(--space-2);
}
.nav-toggle svg { width: 24px; height: 24px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: all var(--t);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--cyan);
  color: white;
  box-shadow: 0 4px 14px rgba(77, 183, 215, 0.32);
}
.btn-primary:hover {
  background: var(--cyan-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(77, 183, 215, 0.42);
}
.btn-navy {
  background: var(--navy);
  color: white;
}
.btn-navy:hover {
  background: #1a3a5e;
  color: white;
  transform: translateY(-1px);
}
.btn-secondary {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-secondary:hover {
  background: var(--navy);
  color: white;
}
.btn-arrow::after {
  content: '→';
  display: inline-block;
  transition: transform var(--t);
}
.btn:hover .btn-arrow::after,
.btn-arrow:hover::after { transform: translateX(3px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: var(--space-9) 0 var(--space-10);
  overflow: hidden;
  background: var(--warm-white);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(77, 183, 215, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(15, 39, 66, 0.04) 0%, transparent 50%);
  pointer-events: none;
}
.hero-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.45;
}
.hero-content {
  position: relative;
  max-width: 880px;
}
.hero h1 .accent {
  color: var(--cyan);
  font-style: italic;
  font-weight: 600;
}
.hero-lead {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  color: var(--slate);
  margin: var(--space-5) 0 var(--space-7);
  max-width: 640px;
  line-height: 1.6;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); }

/* ---------- Pillars ---------- */
.pillars {
  background: white;
  border-top: 1px solid var(--navy-06);
  border-bottom: 1px solid var(--navy-06);
}
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.pillar-card {
  display: block;
  padding: var(--space-7) var(--space-6);
  background: var(--warm-white);
  border: 1px solid var(--navy-06);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--navy);
  transition: all var(--t);
  position: relative;
  overflow: hidden;
}
.pillar-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t);
}
.pillar-card:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  color: var(--navy);
}
.pillar-card:hover::before { transform: scaleX(1); }
.pillar-icon {
  width: 48px; height: 48px;
  margin-bottom: var(--space-5);
  color: var(--cyan);
}
.pillar-card h3 { margin-bottom: var(--space-3); }
.pillar-card p {
  color: var(--slate);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: var(--space-5);
}
.pillar-outcome {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--navy-06);
}
.pillar-outcome .number {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
}
.pillar-outcome .label {
  font-size: 0.8125rem;
  color: var(--slate);
  line-height: 1.4;
}
.pillar-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-5);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--cyan-dark);
  letter-spacing: 0.02em;
}
.pillar-arrow::after {
  content: '→';
  transition: transform var(--t);
}
.pillar-card:hover .pillar-arrow::after { transform: translateX(4px); }

/* ---------- Metric strip ---------- */
.metric-strip {
  background: var(--navy);
  color: white;
  padding: var(--space-7) 0;
}
.metric-strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  text-align: center;
}
.metric {
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0 var(--space-4);
}
.metric:last-child { border-right: 0; }
.metric .number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.025em;
  line-height: 1;
  display: block;
  margin-bottom: var(--space-2);
}
.metric .label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.04em;
  line-height: 1.4;
}

/* ---------- Methods strip ---------- */
.methods-strip {
  background: var(--warm-white);
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--navy-06);
}
.methods-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.methods-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
  margin-right: var(--space-4);
}
.method-tag {
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.375rem 0.875rem;
  background: white;
  border: 1px solid var(--navy-12);
  border-radius: 999px;
  color: var(--navy);
}

/* ---------- Section headers ---------- */
.section-head { max-width: 720px; margin-bottom: var(--space-7); }
.section-head h2 { margin-bottom: var(--space-4); }
.section-head p { color: var(--slate); font-size: 1.0625rem; }

/* ---------- Page hero (pillar/inner pages) ---------- */
.page-hero {
  background: var(--navy);
  color: white;
  padding: var(--space-9) 0 var(--space-7);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 75% 30%, rgba(77, 183, 215, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(77, 183, 215, 0.08) 0%, transparent 40%);
}
.page-hero .container { position: relative; }
.page-hero .eyebrow { color: var(--cyan); }
.page-hero h1 { color: white; max-width: 800px; }
.page-hero .lead {
  font-size: 1.1875rem;
  color: rgba(255, 255, 255, 0.82);
  max-width: 720px;
  margin-top: var(--space-5);
  line-height: 1.6;
}
.page-hero-pattern {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  opacity: 0.25;
  pointer-events: none;
}

/* ---------- Artifact (playbook) card ---------- */
.playbook-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
}
.artifact-card {
  background: white;
  border: 1px solid var(--navy-06);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--t);
}
.artifact-card:hover { box-shadow: var(--shadow); }
.artifact-card-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
}
.artifact-content {
  padding: var(--space-7);
  display: flex;
  flex-direction: column;
}
.artifact-pillar-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-dark);
  padding: 0.25rem 0.625rem;
  background: var(--cyan-soft);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
  align-self: flex-start;
}
.artifact-content h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
}
.artifact-subtitle {
  font-size: 0.9375rem;
  color: var(--cyan-dark);
  font-weight: 500;
  font-style: italic;
  margin-bottom: var(--space-4);
}
.artifact-content p {
  color: var(--slate);
  font-size: 0.9375rem;
  line-height: 1.65;
  flex-grow: 1;
}
.artifact-cta {
  margin-top: var(--space-5);
  align-self: flex-start;
}
.artifact-gallery {
  background: var(--warm-white);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  border-left: 1px solid var(--navy-06);
}
.artifact-gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  flex-grow: 1;
}
.artifact-thumb {
  position: relative;
  background: white;
  border: 1px solid var(--silver-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 8.5 / 11;
  transition: all var(--t);
}
.artifact-thumb:hover {
  border-color: var(--cyan);
  transform: scale(1.02);
  box-shadow: var(--shadow);
}
.artifact-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top center;
}
.artifact-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(15, 39, 66, 0.04) 100%);
  pointer-events: none;
}
.gallery-hint {
  font-size: 0.75rem;
  color: var(--slate);
  text-align: center;
  padding-top: var(--space-2);
  border-top: 1px solid var(--navy-06);
  margin-top: var(--space-2);
}

/* ---------- Case studies ---------- */
.case-study {
  background: white;
  border: 1px solid var(--navy-06);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  margin-bottom: var(--space-6);
  position: relative;
  transition: box-shadow var(--t);
}
.case-study:hover { box-shadow: var(--shadow); }
.case-study-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-5);
  margin-bottom: var(--space-5);
  border-bottom: 1px solid var(--navy-06);
}
.case-study-title h3 {
  font-size: 1.375rem;
  margin-bottom: var(--space-1);
}
.case-study-meta {
  font-size: 0.8125rem;
  color: var(--slate);
  letter-spacing: 0.02em;
}
.case-study-outcome {
  text-align: right;
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}
.case-study-outcome .number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.02em;
  line-height: 1;
}
.case-study-outcome .label {
  font-size: 0.75rem;
  color: var(--slate);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  max-width: 140px;
  text-align: left;
}
.case-study-body {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-5);
}
.cs-block { display: flex; flex-direction: column; gap: var(--space-2); }
.cs-block-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-dark);
}
.cs-block-content {
  font-size: 0.9375rem;
  color: var(--navy);
  line-height: 1.55;
}
.cs-block.reusable .cs-block-label { color: var(--cyan); }
.cs-block.reusable .cs-block-content {
  font-weight: 500;
  border-left: 2px solid var(--cyan);
  padding-left: var(--space-3);
  margin-left: calc(-1 * var(--space-3) + 2px);
}

/* ---------- Frameworks sidebar (pillar pages) ---------- */
.pillar-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-7);
  align-items: start;
}
.pillar-main { min-width: 0; }
.frameworks-sidebar {
  background: white;
  border: 1px solid var(--navy-06);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: sticky;
  top: 88px;
}
.frameworks-sidebar h4 {
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan-dark);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--navy-06);
}
.frameworks-list {
  list-style: none;
  margin: 0; padding: 0;
}
.frameworks-list li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--navy-06);
  font-size: 0.9375rem;
}
.frameworks-list li:last-child { border-bottom: 0; }
.frameworks-list strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 2px;
  font-size: 0.9375rem;
}
.frameworks-list span {
  color: var(--slate);
  font-size: 0.8125rem;
  line-height: 1.5;
}

/* ---------- About / Ruth panel ---------- */
.about-section {
  background: white;
  padding: var(--space-9) 0;
  border-top: 1px solid var(--navy-06);
}
.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-8);
  align-items: center;
}
.about-photo {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow: var(--shadow-lg);
}
.about-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
}
.about-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(15, 39, 66, 0.18) 100%);
}
.about-content h2 { margin-bottom: var(--space-5); }
.about-content p {
  font-size: 1.0625rem;
  color: var(--slate);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.about-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--navy-06);
}
.credential {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.375rem 0.75rem;
  background: var(--warm-white);
  border: 1px solid var(--navy-06);
  color: var(--navy);
  border-radius: var(--radius-sm);
}

/* ---------- Engagement matcher ---------- */
.matcher {
  background: linear-gradient(135deg, var(--navy) 0%, #1a3a5e 100%);
  color: white;
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  position: relative;
  overflow: hidden;
}
.matcher::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 60%; height: 200%;
  background: radial-gradient(circle, rgba(77, 183, 215, 0.18) 0%, transparent 60%);
  pointer-events: none;
}
.matcher h3 {
  color: white;
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
}
.matcher-lead {
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: var(--space-6);
  position: relative;
}
.matcher-step { position: relative; margin-bottom: var(--space-5); }
.matcher-step-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: var(--space-3);
}
.matcher-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.matcher-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  font-family: var(--font-body);
  font-size: 0.875rem;
  padding: 0.625rem 1rem;
  border-radius: var(--radius);
  transition: all var(--t-fast);
}
.matcher-btn:hover {
  background: rgba(77, 183, 215, 0.2);
  border-color: var(--cyan);
}
.matcher-btn.selected {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--navy);
  font-weight: 600;
}
.matcher-result {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: none;
}
.matcher-result.active { display: block; animation: fadeIn 400ms ease; }
.matcher-result h4 {
  color: white;
  margin-bottom: var(--space-3);
}
.matcher-result p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9375rem;
  margin-bottom: var(--space-4);
}
.matcher-recommendations {
  list-style: none; margin: 0; padding: 0;
}
.matcher-recommendations li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.matcher-recommendations a {
  color: var(--cyan);
  font-weight: 500;
}
.matcher-recommendations a:hover { color: white; }

/* ---------- Engage page ---------- */
.engagement-models {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.engagement-card {
  background: white;
  border: 1px solid var(--navy-06);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  position: relative;
  transition: all var(--t);
  display: flex;
  flex-direction: column;
}
.engagement-card:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.engagement-card.featured {
  background: var(--navy);
  color: white;
  border-color: var(--navy);
}
.engagement-card.featured h3,
.engagement-card.featured .engagement-duration { color: white; }
.engagement-card.featured .engagement-detail-list li { color: rgba(255, 255, 255, 0.85); }
.engagement-card.featured .engagement-detail-list li::before { color: var(--cyan); }
.engagement-card.featured .engagement-section-label { color: var(--cyan); }
.engagement-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-dark);
  margin-bottom: var(--space-3);
}
.engagement-card.featured .engagement-tag { color: var(--cyan); }
.engagement-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
}
.engagement-duration {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--slate);
  margin-bottom: var(--space-5);
  font-weight: 500;
}
.engagement-section-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-dark);
  margin-top: var(--space-5);
  margin-bottom: var(--space-3);
}
.engagement-detail-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.engagement-detail-list li {
  font-size: 0.9375rem;
  color: var(--slate);
  padding: var(--space-2) 0 var(--space-2) var(--space-5);
  position: relative;
  line-height: 1.5;
}
.engagement-detail-list li::before {
  content: '→';
  position: absolute;
  left: 0; top: var(--space-2);
  color: var(--cyan);
  font-weight: 600;
}
.engagement-cta {
  margin-top: auto;
  padding-top: var(--space-6);
}

/* ---------- Contact / footer ---------- */
.contact-section {
  background: var(--navy);
  color: white;
  padding: var(--space-9) 0;
  position: relative;
  overflow: hidden;
}
.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 50%, rgba(77, 183, 215, 0.12) 0%, transparent 50%);
}
.contact-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}
.contact-content h2 { color: white; margin-bottom: var(--space-4); }
.contact-content .lead {
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.125rem;
  line-height: 1.6;
  margin-bottom: var(--space-6);
}
.contact-options { display: flex; flex-direction: column; gap: var(--space-4); }
.contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  color: white;
  text-decoration: none;
  transition: all var(--t);
}
.contact-link:hover {
  background: rgba(77, 183, 215, 0.12);
  border-color: var(--cyan);
  color: white;
  transform: translateX(4px);
}
.contact-link svg {
  width: 24px; height: 24px;
  color: var(--cyan);
  flex-shrink: 0;
}
.contact-link-content { display: flex; flex-direction: column; }
.contact-link-label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}
.contact-link-value {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.0625rem;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #0a1c30;
  color: rgba(255, 255, 255, 0.6);
  padding: var(--space-6) 0;
  font-size: 0.875rem;
}
.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-row a { color: rgba(255, 255, 255, 0.75); }
.footer-row a:hover { color: var(--cyan); }
.footer-links {
  display: flex;
  gap: var(--space-5);
  list-style: none;
  margin: 0; padding: 0;
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 28, 48, 0.94);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: var(--space-5);
  overflow: auto; /* allows scroll when image is in native-size (zoomed) mode */
}
.lightbox.active { display: flex; animation: fadeIn 200ms ease; }
.lightbox-content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100%;
  justify-content: center;
}
.lightbox-img {
  max-width: 92vw;
  max-height: calc(92vh - 80px);
  width: auto;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  background: white;
  cursor: zoom-in;
  transition: max-width 200ms ease, max-height 200ms ease;
  display: block;
}
.lightbox.zoomed .lightbox-img {
  max-width: none;
  max-height: none;
  cursor: zoom-out;
}
.lightbox-toolbar {
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  display: flex;
  gap: var(--space-2);
  z-index: 1001;
}
.lightbox-action {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  transition: background var(--t-fast);
}
.lightbox-action:hover { background: rgba(255, 255, 255, 0.24); color: white; }
.lightbox-action svg { width: 14px; height: 14px; }
.lightbox-close {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px; height: 44px;
  background: rgba(255, 255, 255, 0.12);
  border: 0;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-fast);
  z-index: 1001;
}
.lightbox-close:hover { background: rgba(255, 255, 255, 0.24); }
.lightbox-close svg { width: 20px; height: 20px; }
.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  background: rgba(255, 255, 255, 0.12);
  border: 0;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-fast);
  z-index: 1001;
}
.lightbox-nav:hover { background: rgba(255, 255, 255, 0.24); }
.lightbox-nav.prev { left: var(--space-5); }
.lightbox-nav.next { right: var(--space-5); }
.lightbox-nav svg { width: 24px; height: 24px; }
.lightbox-footer {
  position: fixed;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1001;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: rgba(10, 28, 48, 0.6);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.lightbox-counter {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}
.lightbox-hint {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}
@media (max-width: 760px) {
  .lightbox-hint { display: none; }
  .lightbox-action span { display: none; } /* icon-only on small screens */
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: slideUp 600ms ease both; }

/* ---------- Loading state ---------- */
.loading {
  text-align: center;
  padding: var(--space-7);
  color: var(--slate);
  font-size: 0.9375rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .pillar-layout { grid-template-columns: 1fr; }
  .frameworks-sidebar { position: static; }
  .artifact-card-inner { grid-template-columns: 1fr; }
  .artifact-gallery { border-left: 0; border-top: 1px solid var(--navy-06); }
  .about-grid { grid-template-columns: 1fr; max-width: 600px; margin: 0 auto; gap: var(--space-6); }
  .about-photo { max-width: 320px; }
  .contact-grid { grid-template-columns: 1fr; }
  .engagement-models { grid-template-columns: 1fr; }
  .case-study-body { grid-template-columns: 1fr; gap: var(--space-4); }
}

@media (max-width: 760px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    background: var(--warm-white);
    padding: var(--space-5);
    gap: var(--space-4);
    border-bottom: 1px solid var(--navy-06);
    box-shadow: var(--shadow);
    align-items: flex-start;
  }
  .nav-links.open a { padding: var(--space-3) 0; }
  .pillars-grid { grid-template-columns: 1fr; }
  .metric-strip-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
  .metric { border-right: 0; }
  .metric:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.12); }
  .case-study-header { flex-direction: column; align-items: flex-start; }
  .case-study-outcome { text-align: left; }
  .section { padding: var(--space-8) 0; }
  .hero { padding: var(--space-7) 0 var(--space-8); }
  .page-hero { padding: var(--space-7) 0 var(--space-6); }
  .nav-logo img { height: 58px; }
}