/* ============================================================
   Lexia Analytics – AI Readiness & Leadership Programmes
   Design tokens match pricing-alchemy-insights + lexia-quote-craft
   ============================================================ */

:root {
  --navy:          #0a1f3d;
  --navy-mid:      #0d2a4f;
  --navy-light:    #1e4f7a;
  --brand:         #003d66;   /* hsl(206,100%,19%) */
  --brand-accent:  #2d7ab5;   /* hsl(206,60%,45%)  */
  --brand-light:   #edf4fa;   /* hsl(206,30%,95%)  */
  --brand-teal:    #17a2b8;
  --white:         #ffffff;
  --grey-bg:       #f8fafc;
  --ink:           #111827;
  --body:          #374151;
  --muted:         #6b7280;
  --border:        #e5e7eb;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:     0 4px 16px rgba(10,31,61,.10);
  --shadow-lg:     0 12px 40px rgba(10,31,61,.14);
  --radius:        0.5rem;
  --radius-lg:     1rem;
  --font:          'Inter', Arial, Helvetica, sans-serif;
  --transition:    0.2s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--body);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { cursor: pointer; font-family: inherit; }

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}
.section { padding: clamp(3.5rem, 8vw, 5.5rem) 0; }
.section--white { background: var(--white); }
.section--light { background: var(--brand-light); }
.section--cta {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 55%, var(--navy-light) 100%);
}
.mt-8 { margin-top: 2.5rem; }

/* ── Section headings ── */
.section-heading {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}
.section-heading h2 {
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 0.75rem;
  line-height: 1.25;
}
.section-sub {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ── Eyebrow ── */
.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  margin-bottom: 1rem;
}
.eyebrow--dark {
  color: var(--brand-accent);
  margin-bottom: 0.5rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-outline {
  border: 2px solid rgba(255,255,255,0.5);
  color: #fff;
  background: transparent;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.8);
}

/* ── Grids ── */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* Keep challenge heading on one line on wider screens */
#challenge .section-heading h2 { white-space: nowrap; }
@media (max-width: 700px) { #challenge .section-heading h2 { white-space: normal; } }

/* Challenge section: 3 cards after removing the 4th */
#challenge .grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
@media (min-width: 900px) {
  #challenge .grid-2 { grid-template-columns: repeat(3, 1fr); }
}

/* ── Callouts ── */
.callout {
  border-left: 4px solid;
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-top: 2.5rem;
  font-size: 0.975rem;
  line-height: 1.6;
}
.callout--teal {
  border-color: var(--brand-teal);
  background: rgba(23,162,184,.07);
  color: var(--brand);
}
.callout--teal strong { color: var(--brand); }
.callout--navy {
  border-color: var(--brand-accent);
  background: rgba(45,122,181,.08);
  color: var(--brand);
}
.callout--navy strong { color: var(--brand); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 55%, var(--navy-light) 100%);
  padding: clamp(4rem, 10vw, 7rem) 0 clamp(3.5rem, 8vw, 6rem);
}
.hero-content { max-width: 680px; }
.hero-content h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}
.hero-lede {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: rgba(255,255,255,0.82);
  margin-bottom: 2rem;
  max-width: 580px;
}

/* ============================================================
   CHALLENGE CARDS
   ============================================================ */
.challenge-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.challenge-card:hover { box-shadow: var(--shadow-md); }
.challenge-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--brand-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.challenge-card__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--brand);
}
.challenge-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--brand);
  margin-bottom: 0.5rem;
}
.challenge-card p { color: var(--muted); font-size: 1rem; }

/* ============================================================
   ENGAGEMENT MODEL (PHASE CARDS)
   ============================================================ */
.phase-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 4px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.phase-card:hover { box-shadow: var(--shadow-md); }
.phase-card--active { border-top-color: var(--brand); }
.phase-card__number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}
.phase-card--active .phase-card__number { background: var(--brand); }
.phase-card__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brand-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}
.phase-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 0.75rem;
}
.phase-card p { color: var(--muted); font-size: 1rem; }

/* ============================================================
   VALUE CHAIN / METHODOLOGY
   ============================================================ */
.value-chain {
  background: var(--brand-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.value-chain__dimensions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.vc-dimension {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--brand-accent);
}
.vc-dimension__icon {
  margin: 0 auto 0.5rem;
  width: 40px;
  height: 40px;
  background: var(--brand-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.vc-dimension__icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--brand);
}
.vc-dimension span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand);
}
.vc-insight {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--white);
  border-left: 4px solid var(--brand-accent);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
}
.vc-insight svg {
  width: 20px;
  height: 20px;
  stroke: var(--brand-accent);
  flex-shrink: 0;
  margin-top: 2px;
}
.vc-insight p { font-size: 0.9rem; color: var(--body); }
.vc-insight strong { color: var(--brand); }

.insight-card {
  background: var(--brand-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
}
.insight-card svg {
  width: 36px;
  height: 36px;
  stroke: var(--brand-accent);
  margin: 0 auto 0.75rem;
  display: block;
}
.insight-card h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--brand);
  margin-bottom: 0.5rem;
}
.insight-card p { font-size: 0.9rem; color: var(--muted); }

/* ============================================================
   WORKSHOP DAY TABS
   ============================================================ */
.day-tabs {
  max-width: 900px;
  margin: 0 auto;
}
.day-tabs__nav {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0;
  border-bottom: 2px solid var(--border);
}
.day-tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0.9rem 1.5rem;
  border: none;
  background: transparent;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
  color: var(--muted);
}
.day-tab:hover { color: var(--brand); }
.day-tab.active {
  color: var(--brand);
  border-bottom-color: var(--brand);
}
.day-tab__label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand-accent);
}
.day-tab__title {
  font-size: 1rem;
  font-weight: 700;
}

.day-panels { background: var(--white); border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg); box-shadow: var(--shadow-md); }
.day-panel { display: none; padding: 2rem 2.25rem; }
.day-panel.active { display: block; }
.day-panel__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 1.75rem;
}
@media (max-width: 640px) {
  .day-panel__grid { grid-template-columns: 1fr; }
}
.day-panel__time {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand-accent);
  margin-bottom: 0.75rem;
}
.day-panel ul li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.6rem;
  font-size: 1rem;
  color: var(--body);
}
.day-panel ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand-accent);
}
.day-panel__output {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--brand-light);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  color: var(--body);
}
.day-panel__output svg {
  width: 20px;
  height: 20px;
  stroke: var(--brand-accent);
  flex-shrink: 0;
}
.day-panel__output strong { color: var(--brand); }

/* ============================================================
   DELIVERABLES
   ============================================================ */
.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}
.deliverables-col__title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand-accent);
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--brand-light);
  margin-bottom: 1.5rem;
}
.deliverable-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.deliverable-item__num {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.deliverable-item__num--accent { background: var(--brand-accent); }
.deliverable-item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--brand);
  margin-bottom: 0.2rem;
}
.deliverable-item p { font-size: 0.88rem; color: var(--muted); margin: 0; }

/* ============================================================
   CAROUSEL
   ============================================================ */
.carousel { position: relative; overflow: hidden; }
.carousel__track {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.4,0,0.2,1);
}

.case-card {
  min-width: 100%;
  background: var(--brand-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 2rem 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.case-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.case-card__company {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 0.2rem;
}
.case-card__sector {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
}
.case-card__stat {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 0.75rem 1.25rem;
  text-align: center;
  min-width: 130px;
  flex-shrink: 0;
}
.case-card__stat { font-size: 1.75rem; font-weight: 800; line-height: 1.1; }
.case-card__stat span {
  display: block;
  font-size: 0.72rem;
  font-weight: 400;
  opacity: 0.7;
  margin-top: 0.2rem;
}
.case-card__body { flex: 1; }
.case-card__body p {
  font-size: 1rem;
  color: var(--body);
  margin-bottom: 0.75rem;
  line-height: 1.65;
}
.case-card__body p:last-child { margin-bottom: 0; }
.case-card__relevance {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.88rem !important;
  color: var(--brand) !important;
  font-weight: 500;
  background: var(--brand-light);
  border-radius: var(--radius);
  padding: 0.6rem 0.9rem;
  margin-bottom: 0 !important;
}
.case-card__relevance svg {
  width: 16px;
  height: 16px;
  stroke: var(--brand-accent);
  flex-shrink: 0;
  margin-top: 2px;
}
.case-card__source {
  font-size: 0.75rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
}

.carousel__controls {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 1rem !important;
  margin-top: 1.5rem !important;
}
.carousel__btn {
  all: unset !important;
  box-sizing: border-box !important;
  width: 40px !important;
  height: 40px !important;
  min-width: 40px !important;
  min-height: 40px !important;
  max-width: 40px !important;
  max-height: 40px !important;
  border-radius: 50% !important;
  border: 2px solid var(--brand-accent) !important;
  background: var(--white) !important;
  color: var(--brand) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  transition: background var(--transition), border-color var(--transition) !important;
  padding: 0 !important;
  margin: 0 !important;
  line-height: 1 !important;
  font-size: 0 !important;
}
.carousel__btn:hover {
  background: var(--brand) !important;
  border-color: var(--brand) !important;
  color: #fff !important;
}
.carousel__btn svg {
  width: 18px !important;
  height: 18px !important;
  display: block !important;
  flex-shrink: 0 !important;
}
.carousel__dots {
  display: flex !important;
  gap: 0.5rem !important;
  align-items: center !important;
}
.carousel__dot {
  all: unset !important;
  box-sizing: border-box !important;
  width: 8px !important;
  height: 8px !important;
  min-width: 8px !important;
  min-height: 8px !important;
  max-width: 8px !important;
  max-height: 8px !important;
  border-radius: 50% !important;
  background: var(--border) !important;
  border: none !important;
  padding: 0 !important;
  margin: 0 !important;
  cursor: pointer !important;
  transition: background var(--transition), transform var(--transition) !important;
  display: block !important;
}
.carousel__dot.active {
  background: var(--brand) !important;
  transform: scale(1.3) !important;
}

/* ============================================================
   CTA
   ============================================================ */
.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
}
.cta-content p {
  color: rgba(255,255,255,0.75);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .deliverables-grid { grid-template-columns: 1fr; }
  .day-tabs__nav { flex-direction: column; border-bottom: none; gap: 0; }
  .day-tab {
    border-bottom: none;
    border-left: 3px solid transparent;
    margin-bottom: 0;
    padding: 0.75rem 1.25rem;
  }
  .day-tab.active { border-left-color: var(--brand); border-bottom: none; }
  .day-panels { border-radius: var(--radius-lg); }
  .day-panel { padding: 1.5rem; }
  .case-card { padding: 1.5rem; }
  .case-card__stat { min-width: auto; }
}