/* ============================================================
   PILLAR PAGES — hero, intro, pinned scroll-through, process,
   results, FAQ accordion, pillar CTA
   Uses design tokens from variables.css
   ============================================================ */

/* ── Pillar hero ──────────────────────────────────────────── */
.pillar-hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.pillar-hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
}

.pillar-hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(255, 139, 0, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.pillar-hero .container {
  position: relative;
  z-index: 1;
}

.pillar-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.pillar-hero__breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 200ms ease;
}

.pillar-hero__breadcrumb a:hover { color: var(--color-orange); }

.pillar-hero__eyebrow { margin-bottom: var(--space-md); }

.pillar-hero__headline {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 600;
  line-height: 1.05;
  color: var(--color-white);
  max-width: 800px;
  margin-bottom: var(--space-lg);
}

.pillar-hero__sub {
  font-family: var(--font-body);
  font-size: var(--font-lg);
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.pillar-hero__ctas {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ── Pillar intro ─────────────────────────────────────────── */
.pillar-intro { padding: var(--space-3xl) 0; }

.pillar-intro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.pillar-intro__statement {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 500;
  line-height: 1.2;
  color: var(--text-primary);
  border: none;
  padding: 0;
  margin: 0;
}

.pillar-intro__accent-bar {
  width: 3px;
  height: 60px;
  background: var(--color-orange);
  margin-bottom: var(--space-md);
}

.pillar-intro__supporting {
  font-size: var(--font-base);
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── Pinned sub-services ──────────────────────────────────── */
.pillar-pinned {
  padding: var(--space-3xl) 0;
  min-height: 100vh;
}

.pillar-pinned__inner {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

/* Rail */
.pillar-pinned__rail { padding-top: var(--space-xl); }

.pillar-pinned__rail-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.pillar-pinned__rail-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) 0;
  cursor: pointer;
  border-left: 2px solid transparent;
  padding-left: var(--space-md);
  transition: border-color 300ms ease;
}

.pillar-pinned__rail-item.is-active {
  border-left-color: var(--color-orange);
}

.pillar-pinned__rail-num {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  min-width: 2ch;
  transition: color 300ms ease;
}

.pillar-pinned__rail-item.is-active .pillar-pinned__rail-num {
  color: var(--color-orange);
}

.pillar-pinned__rail-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
  transition: background 300ms ease, transform 300ms ease;
}

.pillar-pinned__rail-item.is-active .pillar-pinned__rail-dot {
  background: var(--color-orange);
  transform: scale(1.5);
}

.pillar-pinned__rail-name {
  font-family: var(--font-body);
  font-size: var(--font-sm);
  color: var(--text-muted);
  transition: color 300ms ease;
}

.pillar-pinned__rail-item.is-active .pillar-pinned__rail-name {
  color: var(--text-primary);
  font-weight: 600;
}

/* Content panels */
.pillar-pinned__content {
  position: relative;
  min-height: 500px;
}

.pillar-pinned__item {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 350ms ease;
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
  padding: var(--space-xl) 0;
}

.pillar-pinned__item.is-active {
  opacity: 1;
  pointer-events: auto;
  position: relative;
}

.pillar-pinned__item-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-orange), var(--color-orange-deep));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.pillar-pinned__item-icon svg {
  width: 32px;
  height: 32px;
}

.pillar-pinned__item-body { flex: 1; }

.pillar-pinned__item-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.pillar-pinned__item-tagline {
  font-size: var(--font-lg);
  color: var(--color-orange);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.pillar-pinned__item-desc {
  font-size: var(--font-base);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: var(--space-md);
}

.pillar-pinned__bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.pillar-pinned__bullets li {
  font-size: var(--font-base);
  color: var(--text-secondary);
  padding-left: 1.5rem;
  position: relative;
}

.pillar-pinned__bullets li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-orange);
  font-weight: 700;
}

/* Mobile stacked fallback */
@media (max-width: 1023px) {
  .pillar-pinned__inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .pillar-pinned__rail { display: none; }

  .pillar-pinned__content { min-height: auto; }

  .pillar-pinned__item {
    position: relative;
    opacity: 1;
    pointer-events: auto;
    flex-direction: column;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
  }
}

/* ── Process timeline ─────────────────────────────────────── */
.pillar-process { padding: var(--space-3xl) 0; }

.pillar-process__timeline {
  position: relative;
  margin-top: var(--space-2xl);
}

.pillar-process__line {
  position: absolute;
  top: 2rem;
  left: 2rem;
  right: 2rem;
  height: 2px;
  background: linear-gradient(90deg, var(--color-orange), transparent);
  opacity: 0.3;
}

.pillar-process__steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  position: relative;
}

.pillar-process__step { padding-top: var(--space-lg); }

.pillar-process__step-num {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 700;
  color: var(--color-orange);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.pillar-process__step-title {
  font-family: var(--font-heading);
  font-size: var(--font-xl);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.pillar-process__step-desc {
  font-size: var(--font-sm);
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Results ──────────────────────────────────────────────── */
.pillar-results { padding: var(--space-3xl) 0; }

.pillar-results__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-2xl) 0;
}

.pillar-results__cta { text-align: center; }

/* ── FAQ accordion ────────────────────────────────────────── */
.pillar-faq { padding: var(--space-3xl) 0; }

.faq-accordion {
  margin-top: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border-subtle);
}

.faq-accordion__item { border-bottom: 1px solid var(--border-subtle); }

.faq-accordion__btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--space-lg) 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  gap: var(--space-md);
  transition: color 200ms ease;
}

.faq-accordion__btn:hover { color: var(--color-orange); }

.faq-accordion__icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-orange);
  flex-shrink: 0;
  transition: transform 300ms ease;
  line-height: 1;
}

.faq-accordion__btn[aria-expanded="true"] .faq-accordion__icon {
  transform: rotate(45deg);
}

.faq-accordion__answer {
  overflow: hidden;
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 300ms ease-out;
  margin: 0;
  padding: 0;
}

.faq-accordion__answer.is-open {
  grid-template-rows: 1fr;
}

.faq-accordion__answer-inner {
  overflow: hidden;
  font-size: var(--font-base);
  color: var(--text-secondary);
  line-height: 1.7;
  padding-bottom: var(--space-lg);
}

/* ── Inner hero (shared across pages) ────────────────────── */
.inner-hero {
  padding: var(--space-3xl) 0 var(--space-2xl);
  min-height: 50vh;
  display: flex;
  align-items: center;
}

.inner-hero .container { position: relative; z-index: 1; }

.inner-hero__headline {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 600;
  color: var(--color-white);
  max-width: 800px;
  line-height: 1.08;
  margin-bottom: var(--space-lg);
}

.inner-hero__sub {
  font-size: var(--font-lg);
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.6;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .pillar-intro__grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .pillar-process__line { display: none; }
  .pillar-process__steps { grid-template-columns: 1fr; }
  .pillar-hero { min-height: 70vh; }
}