/* ==========================================================================
   Illuminate Page — Styles specific to illuminate.html
   ========================================================================== */

/* ── Active Nav Link (shared with about) ── */
.nav__link--active {
  color: var(--color-text-primary);
}

/* ── Anchor Nav (Sticky sub-navigation) ── */
.anchor-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: calc(var(--z-nav) - 1);
  background: rgba(26, 26, 31, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform var(--duration-normal) var(--ease-out),
              opacity var(--duration-normal) var(--ease-out);
  pointer-events: none;
}

.anchor-nav.is-visible {
  transform: translateY(60px); /* below main nav */
  opacity: 1;
  pointer-events: auto;
}

.anchor-nav__inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  gap: 0.125rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.anchor-nav__inner::-webkit-scrollbar {
  display: none;
}

.anchor-nav__link {
  padding: 0.75rem 0.875rem;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--duration-fast) var(--ease-out);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  font-weight: var(--font-weight-medium);
  border-bottom: 2px solid transparent;
}

.anchor-nav__link:hover {
  color: var(--color-text-secondary);
}

.anchor-nav__link.is-active {
  color: var(--color-accent-blue);
  border-bottom-color: var(--color-accent-blue);
}

/* ── Illuminate Hero ── */
.section--illum-hero {
  padding-top: calc(var(--space-2xl) + 80px);
  padding-bottom: var(--space-xl);
  text-align: center;
}

.illum-hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-tight);
  margin-top: var(--space-md);
  margin-bottom: var(--space-md);
}

.illum-hero__subhead {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 auto var(--space-sm);
  font-weight: var(--font-weight-light);
  line-height: var(--leading-relaxed);
}

.illum-hero__support {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.illum-hero__ctas {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.illum-hero__proof {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.proof-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.875rem;
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  font-weight: var(--font-weight-medium);
}

/* ── Overview Cards ── */
.overview-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.overview-card {
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: border-color var(--duration-normal) var(--ease-out);
}

.overview-card:hover {
  border-color: var(--color-accent-blue);
}

.overview-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(67, 169, 223, 0.08);
  color: var(--color-accent-blue);
}

.overview-card h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
}

.overview-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ── Outcomes ── */
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.outcome-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.outcome-item__icon {
  flex-shrink: 0;
  color: var(--color-accent-blue);
}

.outcome-item p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* Before / After */
.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.before-after__col {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
}

.before-after__col--before {
  background: rgba(248, 113, 113, 0.06);
  border: 1px solid rgba(248, 113, 113, 0.15);
}

.before-after__col--after {
  background: rgba(52, 211, 153, 0.06);
  border: 1px solid rgba(52, 211, 153, 0.15);
}

.before-after__col h4 {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-xs);
}

.before-after__col--before h4 { color: var(--color-error); }
.before-after__col--after h4 { color: var(--color-success); }

.before-after__col p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ── Feature Grid ── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.feature-card {
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-normal) var(--ease-out);
}

.feature-card:hover {
  border-color: var(--color-accent-blue);
}

.feature-card svg {
  color: var(--color-accent-blue);
  margin-bottom: var(--space-sm);
}

.feature-card h3 {
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
}

.feature-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ── Deep Sections (Incrementality, MMM, Attribution) ── */
.deep-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.deep-section--reverse {
  direction: rtl;
}

.deep-section--reverse > * {
  direction: ltr;
}

.deep-section__content p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-md);
}

.deep-section__list {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-md);
}

.deep-section__list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.deep-section__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-blue);
}

.deep-section__deliverable {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.875rem;
  background: rgba(67, 169, 223, 0.08);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-accent-blue);
  font-weight: var(--font-weight-medium);
}

/* Deep section graphics */
.deep-section__graphic {
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-deep);
}

/* Incrementality bar chart */
.deep-section__graphic--incr {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: var(--space-lg);
  height: 240px;
  padding-bottom: var(--space-xl);
}

.graph-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  flex: 1;
  max-width: 60px;
  height: 100%;
  justify-content: flex-end;
}

.graph-bar__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  order: 1;
}

.graph-bar__fill {
  width: 100%;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: height 1s var(--ease-out);
}

.graph-bar--control .graph-bar__fill {
  background: rgba(255, 255, 255, 0.15);
}

.graph-bar--test .graph-bar__fill {
  background: var(--color-accent-blue);
}

.graph-bar--lift .graph-bar__fill {
  background: var(--color-success);
}

/* MMM horizontal bars */
.deep-section__graphic--mmm {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mmm-channel {
  display: grid;
  grid-template-columns: 60px 1fr 80px;
  gap: var(--space-sm);
  align-items: center;
}

.mmm-channel__name {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

.mmm-channel__bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.mmm-channel__fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--color-accent-gradient);
  transition: width 1s var(--ease-out);
}

.mmm-channel__val {
  font-size: var(--text-xs);
  color: var(--color-accent-blue);
  font-weight: var(--font-weight-medium);
  text-align: right;
}

/* Attribution dot visualization */
.deep-section__graphic--attr {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  padding: var(--space-xl);
}

.attr-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.attr-row__label {
  width: 100px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

.attr-row__dots {
  display: flex;
  gap: var(--space-md);
  flex: 1;
  justify-content: space-around;
}

.attr-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: all var(--duration-normal) var(--ease-out);
}

.attr-dot--active {
  background: var(--color-accent-blue);
  box-shadow: 0 0 12px rgba(67, 169, 223, 0.4);
}

/* ── AI Grid ── */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.ai-card {
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-normal) var(--ease-out);
}

.ai-card:hover {
  border-color: var(--color-accent-blue);
}

.ai-card h4 {
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
}

.ai-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ── Integrations ── */
.integration-logos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.integration-logo {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.6;
  transition: opacity var(--duration-normal) var(--ease-out);
  filter: brightness(0) invert(1);
}

.integration-logo:hover {
  opacity: 1;
}

.integration-logo img {
  max-width: 100%;
  max-height: 100%;
}

.integration-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
}

/* ── Security Grid ── */
.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.security-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
}

.security-item svg {
  color: var(--color-accent-blue);
}

.security-item p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-align: center;
}

.security-trust {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  font-style: italic;
  font-weight: var(--font-weight-light);
}

/* ── Process Steps (Illuminate) ── */
.process-steps-illum {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.process-step-illum {
  text-align: center;
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-normal) var(--ease-out);
}

.process-step-illum:hover {
  border-color: var(--color-accent-blue);
}

.process-step-illum__num {
  width: 40px;
  height: 40px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-accent-gradient);
  font-size: var(--text-base);
  font-weight: var(--font-weight-bold);
  color: #fff;
}

.process-step-illum h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
}

.process-step-illum p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.process-deliverables {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

/* ── Safeguards ── */
.safeguards {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.safeguard {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

.safeguard svg {
  color: var(--color-accent-blue);
  flex-shrink: 0;
}

/* ── Pricing Cards ── */
.pricing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.pricing-card {
  padding: var(--space-xl) var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  transition: border-color var(--duration-normal) var(--ease-out);
}

.pricing-card:hover {
  border-color: var(--color-accent-blue);
}

.pricing-card--featured {
  border-color: var(--color-accent-blue);
  background: rgba(67, 169, 223, 0.04);
}

.pricing-card__badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent-blue);
  border: 1px solid rgba(67, 169, 223, 0.3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  align-self: flex-start;
}

.pricing-card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
}

.pricing-card__price {
  font-size: var(--text-lg);
  color: var(--color-accent-blue);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

.pricing-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-lg);
  flex: 1;
}

/* ── Final CTA ── */
.section--cta-final {
  padding: var(--space-2xl) 0;
}

/* ── Responsive ── */
@media (max-width: 1023px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .deep-section {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .deep-section--reverse {
    direction: ltr;
  }

  .pricing-cards {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .process-steps-illum {
    grid-template-columns: repeat(2, 1fr);
  }

  .security-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .overview-cards {
    grid-template-columns: 1fr;
  }

  .outcomes-grid {
    grid-template-columns: 1fr;
  }

  .before-after {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .ai-grid {
    grid-template-columns: 1fr;
  }

  .process-steps-illum {
    grid-template-columns: 1fr;
  }

  .security-grid {
    grid-template-columns: 1fr;
  }

  .safeguards {
    flex-direction: column;
    align-items: center;
  }

  .illum-hero__headline {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .anchor-nav__link {
    padding: 0.625rem 0.625rem;
    font-size: 0.65rem;
  }
}