/* ==========================================================================
   Solutions Page — Styles specific to solutions.html
   ========================================================================== */

/* ── Reuse anchor-nav + active link from illuminate ── */
.nav__link--active {
  color: var(--color-text-primary);
}

.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);
  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);
}

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

.sol-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);
}

.sol-hero__subhead {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  max-width: 680px;
  margin: 0 auto var(--space-sm);
  font-weight: var(--font-weight-light);
  line-height: var(--leading-relaxed);
}

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

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

.sol-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);
}

/* ── Pillar Overview Cards ── */
.pillar-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.pillar-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out);
  cursor: pointer;
}

.pillar-card:hover {
  border-color: var(--color-accent-blue);
  transform: translateY(-4px);
}

.pillar-card__num {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent-blue);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-sm);
}

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

.pillar-card__promise {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-md);
}

.pillar-card__outcomes {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-md);
  flex: 1;
}

.pillar-card__outcomes li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.pillar-card__outcomes li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent-blue);
}

.pillar-card__deliverable {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  font-size: var(--text-xs);
  color: var(--color-accent-blue);
  border: 1px solid rgba(67, 169, 223, 0.25);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
  margin-top: auto;
  align-self: flex-start;
}

/* ── Pillar Section Header ── */
.pillar-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.pillar-header__num {
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-black);
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  flex-shrink: 0;
}

.pillar-header__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-xs);
}

.pillar-header__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-light);
  line-height: var(--leading-relaxed);
}

/* ── Pillar Outcomes (inline badges) ── */
.pillar-outcomes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.pillar-outcome {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}

/* ── Sub-Solutions Grid ── */
.sub-solutions {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

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

.sub-solution:hover {
  border-color: var(--color-accent-blue);
}

.sub-solution h3 {
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

.sub-solution ul {
  list-style: none;
  padding: 0;
}

.sub-solution li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.375rem;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.sub-solution li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent-blue);
}

/* ── Pillar CTA ── */
.pillar-cta {
  text-align: center;
}

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

.cadence-item {
  text-align: center;
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.cadence-item__freq {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent-blue);
  margin-bottom: var(--space-xs);
}

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

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

.engagement-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);
}

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

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

.engagement-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;
}

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

.engagement-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-md);
}

.engagement-card__list {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-lg);
  flex: 1;
}

.engagement-card__list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.engagement-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent-blue);
}

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

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

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

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

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

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

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

  .sub-solutions {
    grid-template-columns: 1fr;
  }

  .pillar-header {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .pillar-header__num {
    font-size: var(--text-2xl);
  }

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

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

  .pillar-outcomes {
    flex-direction: column;
  }
}