/* ============================================================
   BLOG — shared styles for listing page and case study posts
   Depends on: base.css, components.css
   ============================================================ */

/* 3-stop card shadow (purple-tinted, per design system) */
/* usage: box-shadow: var(--shadow-card) */
/* defined inline below — no :root override */

/* ============================================================
   === BLOG LISTING (blog/index.html) ===
   ============================================================ */

.blog-listing-hero {
  padding: clamp(52px, 7vh, var(--spacing-4xl)) 0;
  position: relative;
}

.blog-listing-hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: var(--spacing-lg);
}

.blog-listing-headline {
  margin-top: var(--spacing-sm);
}

.blog-listing-content {
  padding: 0 0 clamp(52px, 7vh, var(--spacing-4xl));
  position: relative;
}

.blog-listing-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: var(--spacing-lg);
}

/* Featured post card */
.blog-featured-card {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 64px;
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--primary-08);
  background: var(--white);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 4px 16px rgba(0, 0, 0, 0.06),
    0 12px 40px var(--primary-08);
  text-decoration: none;
  color: inherit;
  transition:
    transform var(--duration-base) var(--ease-smooth),
    box-shadow var(--duration-base) var(--ease-smooth);
}

.blog-featured-card:hover {
  transform: translateY(-2px);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 8px 28px rgba(0, 0, 0, 0.08),
    0 16px 48px rgba(75, 42, 99, 0.14);
}

.blog-featured-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.blog-tag {
  padding: var(--spacing-2xs) var(--spacing-xs);
  border: 1px solid var(--primary-18);
  border-radius: var(--radius-pill);
  color: var(--primary);
}

.blog-date {
  color: var(--charcoal-50);
}

.blog-featured-title {
  color: var(--charcoal);
  margin: 0 0 var(--spacing-md);
}

.blog-featured-title em {
  font-style: italic;
  color: var(--primary);
}

.blog-featured-excerpt {
  color: var(--charcoal-75);
  max-width: 52ch;
  margin: 0;
}

.blog-featured-card .wc-cta {
  margin-top: var(--spacing-lg);
}

.blog-featured-card:hover .wc-cta {
  background: var(--primary-10);
  border-color: var(--primary-40);
  transform: translateX(3px);
}

/* Stat cards in featured visual */
.blog-featured-visual {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  justify-content: center;
}

.blog-stat-card {
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--primary-08);
  background: var(--primary-03);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 4px 16px rgba(0, 0, 0, 0.06),
    0 12px 40px var(--primary-08);
}

.blog-stat-num {
  font-style: italic;
  color: var(--primary);
  display: block;
}

.blog-stat-label {
  display: block;
  margin-top: var(--spacing-2xs);
  color: var(--charcoal-50);
}

.blog-grid-section {
  margin-top: var(--spacing-xl);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

/* ============================================================
   === CASE STUDY (blog/../index.html) ===
   ============================================================ */

/* Background glow — used in hero and CTA sections */
.cs-bg-glow {
  position: absolute;
  inset: 0;
  /* background: radial-gradient(60% 60% at 70% 40%, var(--primary-07) 0%, transparent 100%); */
  pointer-events: none;
  z-index: 0;
}

/* Hero */
.cs-hero {
  padding: clamp(52px, 7vh, var(--spacing-4xl)) 0;
  position: relative;
  overflow: hidden;
}

.cs-hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.cs-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xs);
  color: var(--charcoal-50);
  margin-bottom: var(--spacing-lg);
}

.cs-breadcrumb a {
  color: var(--charcoal-50);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-smooth);
}

.cs-breadcrumb a:hover {
  color: var(--primary);
}

.cs-breadcrumb-sep {
  opacity: 0.4;
}

.cs-hero-headline {
  color: var(--charcoal);
  max-width: 14ch;
  margin: 0 0 var(--spacing-md);
}

.cs-hero-headline em {
  font-style: italic;
  color: var(--primary);
}

.cs-hero-sub {
  color: var(--charcoal-75);
  max-width: 52ch;
  margin: 0 0 var(--spacing-xl);
}

.cs-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
}

.cs-hero-stat {
  padding: var(--spacing-md) 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--primary-08);
  background: var(--white);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 4px 16px rgba(0, 0, 0, 0.06),
    0 12px 40px var(--primary-08);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xs);
}

.cs-hero-stat-icon {
  width: 20px;
  height: 20px;
  color: var(--primary);
  opacity: 0.6;
  margin-bottom: var(--spacing-2xs);
  flex-shrink: 0;
}

.cs-hero-stat-num {
  font-style: italic;
  color: var(--primary);
}

.cs-hero-stat-label {
  color: var(--charcoal-75);
}

.cs-hero-stat-note {
  color: var(--charcoal-50);
}

/* Sections */
.cs-section-wrap {
  padding: clamp(52px, 7vh, var(--spacing-4xl)) 0;
  position: relative;
}

.cs-section-wrap--flush {
  padding-block-start: 0;
}

.cs-section-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.cs-section-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xl);
}

.cs-section-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cs-section-title {
  color: var(--charcoal);
  margin: 0;
}

/* Problem cards */
.cs-problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.cs-problem-card {
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--primary-08);
  background: var(--white);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 4px 16px rgba(0, 0, 0, 0.06),
    0 12px 40px var(--primary-08);
}

.cs-problem-card-icon {
  width: 32px;
  height: 32px;
  color: var(--primary);
  opacity: 0.5;
  margin-bottom: var(--spacing-xs);
}

.cs-problem-label {
  color: var(--charcoal-50);
  margin-bottom: var(--spacing-2xs);
}

.cs-problem-stat {
  font-style: italic;
  color: var(--primary);
  margin-bottom: var(--spacing-xs);
}

.cs-problem-desc {
  color: var(--charcoal-75);
  margin: 0;
}

/* Solution */
.cs-solution-intro {
  color: var(--charcoal-75);
  max-width: 56ch;
  margin: 0 0 var(--spacing-xl);
}

.cs-steps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.cs-step-card {
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--primary-08);
  background: var(--white);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 4px 16px rgba(0, 0, 0, 0.06),
    0 12px 40px var(--primary-08);
}

.cs-step-num {
  color: var(--charcoal-50);
  margin-bottom: var(--spacing-xs);
}

.cs-step-title {
  color: var(--charcoal);
  margin: 0 0 var(--spacing-xs);
}

.cs-step-body {
  color: var(--charcoal-75);
  margin: 0;
}

/* Quote + sidebar layout */
.cs-body-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  align-items: start;
}

.cs-quote-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.cs-quote-card {
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--primary-08);
  border-left: 3px solid var(--primary-30);
  background: var(--white);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 4px 16px rgba(0, 0, 0, 0.06),
    0 12px 40px var(--primary-08);
}

.cs-quote-text {
  font-style: italic;
  color: var(--primary);
  margin: 0 0 var(--spacing-md);
}

.cs-quote-attr {
  color: var(--charcoal-50);
  margin: 0;
}

/* Sidebar */
.cs-sidebar-card {
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--primary-08);
  background: var(--primary-03);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 4px 16px rgba(0, 0, 0, 0.06),
    0 12px 40px var(--primary-08);
  position: sticky;
  top: 88px;
}

.cs-sidebar-label {
  color: var(--charcoal-50);
  margin-bottom: var(--spacing-md);
}

.cs-detail-rows {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--primary-08);
}

.cs-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--primary-08);
  gap: var(--spacing-sm);
}

.cs-detail-key {
  color: var(--charcoal-50);
  white-space: pre;
  flex-shrink: 0;
}

.cs-detail-val {
  font-style: italic;
  color: var(--primary);
  text-align: right;
}

.cs-sidebar-cta {
  margin-top: var(--spacing-md);
}

.cs-sidebar-cta .cs-btn-cta {
  width: 100%;
  justify-content: flex-start;
  box-sizing: border-box;
}

/* Results */
.cs-results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.cs-result-card {
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--primary-08);
  background: var(--white);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 4px 16px rgba(0, 0, 0, 0.06),
    0 12px 40px var(--primary-08);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xs);
}

.cs-result-section-label {
  color: var(--charcoal-50);
}

.cs-result-headline {
  color: var(--charcoal);
  margin: 0;
}

.cs-result-stat {
  font-style: italic;
  color: var(--primary);
  margin: var(--spacing-2xs) 0;
  line-height: 1;
}

.cs-result-benchmark {
  color: var(--charcoal-50);
}

.cs-result-footer {
  margin-top: auto;
  padding: var(--spacing-2xs) var(--spacing-sm);
  background: var(--primary-05);
  border: 1px solid var(--primary-08);
  border-radius: var(--radius-pill);
  color: var(--primary);
  font-weight: 500;
  align-self: flex-start;
}

/* Buttons */
.cs-btn-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-pill);
  background: var(--primary);
  color: var(--white);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition:
    background var(--duration-base) var(--ease-smooth),
    transform var(--duration-fast) var(--ease-smooth);
}

.cs-btn-cta:hover {
  background: var(--primary-dark);
}

.cs-btn-cta-icon {
  font-size: 1.1em;
  transition: transform var(--duration-fast) var(--ease-smooth);
}

.cs-btn-cta:hover .cs-btn-cta-icon {
  transform: translateX(2px);
}

.cs-btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-pill);
  border: 1px solid var(--primary-22);
  background: transparent;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  transition:
    background var(--duration-base) var(--ease-smooth),
    border-color var(--duration-base) var(--ease-smooth);
}

.cs-btn-secondary:hover {
  background: var(--primary-05);
  border-color: var(--primary);
}

/* CTA section */
.cs-cta-section {
  padding: clamp(52px, 7vh, var(--spacing-4xl)) 0;
  position: relative;
  overflow: hidden;
}

.cs-cta-inner {
  max-width: 720px;
  margin: 0 auto;
  padding-inline: var(--spacing-lg);
  text-align: center;
  position: relative;
  z-index: 1;
}

.cs-cta-divider {
  width: 48px;
  height: 1px;
  background: var(--primary-20);
  margin: 0 auto var(--spacing-xl);
}

.cs-cta-heading {
  color: var(--charcoal);
  margin: 0 0 var(--spacing-md);
}

.cs-cta-heading em {
  font-style: italic;
  color: var(--primary);
}

.cs-cta-sub {
  color: var(--charcoal-75);
  max-width: 48ch;
  margin: 0 auto var(--spacing-xl);
}

.cs-cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Tag cloud */
.cs-tag-cloud {
  margin-top: var(--spacing-xl);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-2xs);
}

.cs-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-2xs) var(--spacing-xs);
  font-weight: 500;
  color: var(--charcoal-50);
  border: 1px solid var(--charcoal-10);
  border-radius: var(--radius-pill);
}

/* ============================================================
   RESPONSIVE — single breakpoint at 960px
   ============================================================ */

@media (max-width: 960px) {
  /* Listing */
  .blog-listing-hero-inner,
  .blog-listing-inner {
    padding-inline: var(--spacing-md);
  }

  .blog-featured-card {
    grid-template-columns: 1fr;
    padding: var(--spacing-lg) var(--spacing-md);
    gap: 0;
  }

  .blog-featured-visual {
    display: none;
  }

  /* Case study */
  .cs-hero {
    padding: var(--spacing-2xl) 0;
  }

  .cs-hero-inner {
    padding-inline: var(--spacing-md);
  }

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

  .cs-section-wrap {
    padding: var(--spacing-2xl) 0;
  }

  .cs-section-inner {
    padding-inline: var(--spacing-md);
  }

  .cs-section-wrap--flush {
    padding-block-start: 0;
  }

  .cs-problem-grid,
  .cs-steps-grid,
  .cs-results-grid {
    grid-template-columns: 1fr;
  }

  .cs-body-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .cs-sidebar-card {
    position: static;
  }

  .cs-cta-section {
    padding: var(--spacing-2xl) 0;
  }

  .cs-cta-inner {
    padding-inline: var(--spacing-md);
  }
}

/* ═══════════════════════════════════════════════════════════════════
   REDESIGNED EMMA SLEEP BLOG — new patterns
   ═══════════════════════════════════════════════════════════════════ */

/* ─── Scroll Progress Sidebar ─────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: center;
}
@media (max-width: 960px) {
  .scroll-progress {
    display: none;
  }
}

.sp-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sp-dot {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.sp-dot-inner {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid rgba(26, 26, 26, 0.2);
  transition: all 0.2s ease;
}
.sp-dot-inner.is-active {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-color: var(--accent);
  animation: sp-pulse 1.8s ease-out infinite;
}
.sp-dot-inner.is-passed {
  background: var(--on-surface);
  border-color: var(--on-surface);
}
@keyframes sp-pulse {
  0% {
    box-shadow: 0 0 0 0px rgba(155, 207, 106, 0.4);
  }
  100% {
    box-shadow: 0 0 0 6px rgba(155, 207, 106, 0);
  }
}

.sp-line {
  width: 1px;
  height: 28px;
  background: var(--charcoal-10);
  position: relative;
  overflow: hidden;
}
.sp-line-fill {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0%;
  background: var(--accent);
  transition: height 0.4s ease;
}
.sp-line-fill.is-filled {
  height: 100%;
}

/* ─── Reveal Animations ──────────────────────────────────────────── */
.reveal-item {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}
.reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Section base ───────────────────────────────────────────────── */
.b-section {
  position: relative;
  padding: clamp(52px, 7vh, 96px) var(--spacing-lg);
  overflow: clip; /* clip trims overflow like hidden but does NOT create a scroll container — required for position:sticky inside */
  background: transparent;
}
.b-section-inner {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

/* Dot grid canvas — fills section */
canvas.dot-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: block;
}

/* ─── Section header with accent badge ──────────────────────────── */
.b-section-hd {
  margin-bottom: clamp(32px, 4vh, 48px);
}
.b-section-badge-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}
.b-section-badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-08);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.b-section-badge svg {
  color: var(--primary);
}

.b-section-title {
  font-weight: 600;
  color: var(--on-surface);
  line-height: 1.1;
  margin: 0;
}
.b-section-sub {
  font-family: var(--font-ui);
  font-size: var(--fs-body-sm);
  color: var(--charcoal-40);
  font-weight: 500;
  margin-top: var(--spacing-2xs);
}

/* ─── Hero ───────────────────────────────────────────────────────── */
.b-hero {
  min-height: 95vh;
  padding-top: calc(var(--spacing-xl) + 64px);
  padding-bottom: clamp(52px, 7vh, 96px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.b-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xs);
  font-family: var(--font-ui);
  font-size: var(--fs-ui-md);
  color: var(--charcoal-50);
  margin-bottom: clamp(24px, 4vh, 40px);
  text-decoration: none;
}
.b-breadcrumb a {
  color: inherit;
  text-decoration: none;
}
.b-breadcrumb a:hover {
  color: var(--charcoal-80);
}
.b-breadcrumb-sep {
  opacity: 0.4;
}

.b-hero-headline {
  font-weight: 500;
  color: var(--on-surface);
  margin: 0 0 clamp(20px, 3vh, 32px);
  max-width: 900px;
}
.b-hero-headline .italic {
  font-style: italic;
  color: var(--primary);
}

.b-hero-sub {
  color: var(--charcoal-50);
  max-width: 780px;
  margin-bottom: clamp(32px, 5vh, 48px);
}

/* Stat cards row */
.b-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}
@media (max-width: 960px) {
  .b-stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.b-stat-card {
  background: var(--white);
  border: 1px solid var(--charcoal-07);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  min-height: 195px;
  box-shadow: 0 2px 12px rgba(26, 26, 26, 0.06);
  cursor: default;
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease;
}
.b-stat-card:hover {
  box-shadow: 0 8px 24px var(--charcoal-10);
  transform: translateY(-4px);
}
.b-stat-icon {
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
  opacity: 0.8;
}
.b-stat-num {
  font-family: var(--font-display);
  font-size: var(--fs-num-xl);
  font-weight: 600;
  color: var(--on-surface);
  line-height: 1;
  margin-bottom: auto;
}
.b-stat-label {
  font-family: var(--font-ui);
  font-size: var(--fs-ui-lg);
  line-height: 1.3;
  color: rgba(26, 26, 26, 0.7);
  font-weight: 500;
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-2xs);
}
.b-stat-note {
  font-family: var(--font-ui);
  font-size: var(--fs-label-md);
  color: var(--charcoal-40);
}

/* ─── Problem grid (2×2 tilt cards) ─────────────────────────────── */
.b-problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  perspective: 1200px;
}
@media (max-width: 960px) {
  .b-problem-grid {
    grid-template-columns: 1fr;
  }
}

.b-problem-card {
  background: var(--white);
  border: 1px solid var(--charcoal-07);
  border-radius: 20px;
  padding: var(--spacing-lg);
  box-shadow: 0 4px 24px var(--charcoal-04);
  cursor: default;
  transition: transform 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.b-problem-icon {
  margin-bottom: var(--spacing-md);
  color: var(--primary);
  opacity: 0.6;
}
.b-problem-label {
  font-family: var(--font-ui);
  font-size: 10.4px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.083em;
  color: var(--charcoal-40);
  margin-bottom: var(--spacing-xs);
}
.b-problem-stat {
  font-family: var(--font-display);
  font-size: var(--fs-display-md);
  font-weight: 600;
  color: var(--on-surface);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}
.b-problem-desc {
  font-family: var(--font-ui);
  font-size: var(--fs-body-sm);
  line-height: 1.6;
  color: var(--charcoal-40);
  font-weight: 500;
}

/* ─── Prose section ──────────────────────────────────────────────── */
.b-prose-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}
.b-prose-inner h3 {
  font-weight: 600;
  font-style: italic;
  color: var(--on-surface);
  margin: 0 0 var(--spacing-md);
}
.b-prose-inner p {
  line-height: 1.75;
  color: var(--charcoal-50);
  margin-bottom: var(--spacing-md);
}
.b-pull-quote {
  margin: clamp(32px, 5vh, 48px) 0;
  padding: var(--spacing-lg) 40px;
  background: var(--white);
  border-radius: 20px;
  border: 1px solid var(--charcoal-05);
  box-shadow: 0 2px 8px var(--charcoal-04);
  position: relative;
  overflow: hidden;
}
.b-pull-quote::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary-50) 0%, var(--primary-15) 100%);
}
.b-pull-quote p {
  font-style: italic;
  color: var(--charcoal-80);
  text-align: center;
  margin: 0;
}

/* ─── Sticky scroll section ──────────────────────────────────────── */
.b-sticky-layout {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xl);
}
@media (max-width: 960px) {
  .b-sticky-layout {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
}

.b-sticky-left {
  width: 40%;
  flex-shrink: 0;
  position: sticky;
  top: calc(20vh);
  height: 480px;
}
@media (max-width: 960px) {
  .b-sticky-left {
    width: 100%;
    position: relative;
    top: auto;
    height: auto;
    min-height: 320px;
  }
}

.b-sticky-left-inner {
  position: relative;
  padding-left: var(--spacing-md);
  height: 100%;
}

/* Progress line */
.sticky-track {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 8px;
  background: var(--charcoal-05);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.sticky-fill {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0%;
  background: var(--accent);
  border-radius: var(--radius-pill);
  transition: height 0.45s ease;
}

/* State panels — only .is-active is visible */
.b-sticky-card {
  background: var(--white);
  border: 1px solid var(--charcoal-05);
  border-radius: 20px;
  box-shadow: 0 4px 24px var(--charcoal-04);
  position: relative;
  overflow: hidden;
  height: 100%;
}
@media (max-width: 960px) {
  .b-sticky-card {
    height: 320px;
  }
}

[data-state-panel] {
  position: absolute;
  inset: 0;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
[data-state-panel].is-active {
  opacity: 1;
  pointer-events: auto;
}

.sp-panel-step {
  font-family: var(--font-mono);
  font-size: var(--fs-mono-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--charcoal-45);
  margin-bottom: var(--spacing-lg);
}
.sp-panel-headline {
  font-family: var(--font-display);
  font-size: var(--fs-display-md);
  font-weight: 600;
  color: var(--on-surface);
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
}
.sp-panel-stat {
  font-family: var(--font-display);
  font-size: var(--fs-display-lg);
  font-weight: 700;
  color: var(--on-surface);
  line-height: 1;
  margin-bottom: var(--spacing-2xs);
}
.sp-panel-stat em {
  font-style: italic;
}
.sp-panel-comparator {
  font-family: var(--font-ui);
  font-size: var(--fs-body-sm);
  color: var(--charcoal-50);
  white-space: pre-wrap;
}
.sp-panel-framing {
  font-family: var(--font-mono);
  font-size: var(--fs-label-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--charcoal-45);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--charcoal-05);
  margin-top: auto;
}

/* Right scrolling blocks */
.b-sticky-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-bottom: 20vh;
}
.sticky-block {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px var(--spacing-lg) 80px 0;
  opacity: 0.3;
  transition: opacity 0.4s ease;
}
.sticky-block.is-active {
  opacity: 1;
}
@media (max-width: 960px) {
  .sticky-block {
    min-height: auto;
    padding: var(--spacing-xl) 0;
    opacity: 1;
  }
  .b-sticky-right {
    padding-bottom: 0;
  }
}
.sticky-block-label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--charcoal-45);
  margin-bottom: var(--spacing-sm);
}
.sticky-block-headline {
  font-style: italic;
  color: var(--on-surface);
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
}
.sticky-block-copy {
  font-family: var(--font-ui);
  font-size: var(--fs-body-lg);
  line-height: 1.75;
  color: var(--charcoal-50);
  max-width: 520px;
}
.sticky-block-copy p + p {
  margin-top: var(--spacing-md);
}

/* ─── Results — 3-col tilt cards ─────────────────────────────────── */
.b-results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  perspective: 1200px;
}
@media (max-width: 960px) {
  .b-results-grid {
    grid-template-columns: 1fr;
  }
}

.b-result-card {
  background: var(--white);
  border: 1px solid var(--charcoal-07);
  border-radius: 20px;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 24px var(--charcoal-04);
  cursor: default;
  transition: transform 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.b-result-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2xs);
  background: var(--primary);
  color: var(--white);
  border-radius: 10px;
  padding: var(--spacing-2xs) var(--spacing-xs);
  font-family: var(--font-ui);
  font-size: var(--fs-ui-md);
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: var(--spacing-lg);
  align-self: center;
}
.b-result-badge-icon {
  color: inherit;
  opacity: 0.8;
}
.b-result-rows {
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: center;
}
.b-result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--charcoal-07);
}
.b-result-row:first-child {
  border-top: 1px solid var(--charcoal-07);
}
.b-result-row-label {
  font-family: var(--font-ui);
  font-size: var(--fs-label-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.083em;
  color: var(--charcoal-40);
  white-space: pre-line;
}
.b-result-row-val {
  font-family: var(--font-display);
  font-size: var(--fs-num-xl);
  font-style: italic;
  font-weight: 400;
  color: var(--primary);
  line-height: 1;
  flex-shrink: 0;
}

/* Card B — focal stat */
.b-result-card-b {
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  text-align: center;
}
.b-result-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-08);
  display: flex;
  align-items: center;
  justify-content: center;
}
.b-result-icon-wrap svg {
  color: var(--primary);
  opacity: 0.75;
}
.b-result-focal {
  display: flex;
  align-items: baseline;
  gap: 2px;
  color: var(--primary);
  line-height: 1;
}
.b-result-focal-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-num-2xl);
  font-weight: 400;
}
.b-result-focal-unit {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-num-xl);
}
.b-result-focal-plus {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-display-lg);
  font-weight: 400;
}
.b-result-caption {
  font-family: var(--font-ui);
  font-size: var(--fs-label-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.083em;
  color: var(--charcoal-40);
  max-width: 200px;
  line-height: 1.4;
}

/* Card C */
.b-result-header-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xs);
  margin-bottom: var(--spacing-md);
}
.b-result-header-row svg {
  color: var(--primary);
  opacity: 0.7;
  flex-shrink: 0;
}
.b-result-header-label {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  color: var(--primary);
}
.b-result-big {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-num-2xl);
  color: var(--primary);
  line-height: 1;
  margin-bottom: var(--spacing-2xs);
}
.b-result-big-label {
  font-family: var(--font-ui);
  font-size: var(--fs-label-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.083em;
  color: var(--charcoal-40);
  margin-bottom: var(--spacing-md);
}
.b-result-divider {
  height: 1px;
  background: var(--charcoal-07);
  margin-bottom: var(--spacing-md);
}
.b-result-footnote {
  font-family: var(--font-ui);
  font-size: var(--fs-label-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.083em;
  color: var(--charcoal-40);
  line-height: 1.6;
  margin-top: auto;
}

/* ─── CTA ─────────────────────────────────────────────────────────── */
.b-cta-inner {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.b-testimonial {
  max-width: 640px;
  margin: 0 auto clamp(40px, 6vh, 56px);
}
.b-testimonial-mark {
  font-family: var(--font-mono);
  font-size: 48px;
  color: var(--primary-30);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}
.b-testimonial-quote {
  font-style: italic;
  line-height: 1.5;
  color: var(--charcoal-80);
  margin-bottom: clamp(24px, 4vh, 40px);
}
.b-testimonial-attr {
  font-family: var(--font-ui);
  font-size: var(--fs-ui-md);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--charcoal-45);
}
.b-cta-divider {
  width: var(--spacing-xl);
  height: 1px;
  background: var(--charcoal-15);
  margin: 0 auto clamp(40px, 6vh, 56px);
}
.b-cta-heading {
  font-weight: 600;
  color: var(--on-surface);
  line-height: 1.15;
  margin-bottom: var(--spacing-sm);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.b-cta-sub {
  font-family: var(--font-ui);
  font-size: var(--fs-body-sm);
  color: var(--charcoal-60);
  line-height: 1.6;
  max-width: 360px;
  margin: 0 auto clamp(32px, 5vh, 48px);
}
.b-cta-inner .hero-ctas {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: 0;
  margin-bottom: clamp(var(--spacing-lg), 6vh, var(--spacing-2xl));
  animation: none;
}

/* ─── Sliding CTA button ─────────────────────────────────────────── */
.b-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-2xl);
  border-radius: 12px;
  font-family: var(--font-ui);
  font-size: 10.4px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.083em;
  text-decoration: none;
  overflow: hidden;
  cursor: pointer;
  transition:
    padding 0.5s ease,
    background 0.2s ease,
    transform 0.2s ease;
}
.b-btn:hover {
  padding-left: var(--spacing-2xl);
  padding-right: var(--spacing-md);
  transform: translateY(-1px);
}
.b-btn--primary {
  background: var(--primary);
  color: var(--white);
}
.b-btn--primary:hover {
  background: var(--primary-dark);
}
.b-btn--secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary-22);
}
.b-btn--secondary:hover {
  background: var(--primary-05);
  border-color: var(--primary);
}

.b-btn-arrow {
  position: absolute;
  right: var(--spacing-2xs);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    right 0.5s ease,
    transform 0.5s ease;
  font-size: 14px;
  line-height: 1;
}
.b-btn:hover .b-btn-arrow {
  right: calc(100% - 36px);
  transform: rotate(45deg);
}
.b-btn--primary .b-btn-arrow {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
}
.b-btn--secondary .b-btn-arrow {
  background: var(--primary-08);
  color: var(--primary);
}

/* ─── Tag cloud ──────────────────────────────────────────────────── */
.b-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-2xs);
}
.b-tag {
  font-family: var(--font-ui);
  font-size: 10.4px;
  color: var(--charcoal-40);
  border: 1px solid var(--charcoal-10);
  border-radius: var(--radius-pill);
  padding: var(--spacing-2xs) var(--spacing-xs);
}

/* ─── Hero eyebrow spacing ───────────────────────────────────────── */
.b-hero-eyebrow {
  display: inline-flex;
  margin-bottom: clamp(20px, 3vh, 32px);
}

/* ─── Section title alignment for case study ─────────────────────── */
.b-section-hd .b-section-title,
.b-section-hd .section-eyebrow {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}
.b-section-hd .b-section-title {
  max-width: 44ch;
  margin-top: var(--spacing-md);
}

/* ─── Dark results panel ─────────────────────────────────────────── */
.b-results-panel {
  background: var(--surface-dark);
  border-radius: var(--radius-xl);
  padding: clamp(40px, 5vh, 64px) clamp(32px, 4vw, 56px);
}

/* Dark section header overrides */
.b-section-hd--dark {
  margin-bottom: clamp(32px, 4vh, 48px);
}

.section-eyebrow--dark {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  color: var(--primary-pale);
}

.section-eyebrow--dark .dot--pale {
  background: var(--primary-pale);
}

.b-section-title--dark {
  color: rgba(255, 255, 255, 0.92);
  margin-top: var(--spacing-md);
}

/* Dark result cards */
.b-result-card--dark {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.2),
    0 4px 16px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px) saturate(180%);
}

.b-result-badge--dark {
  background: rgba(199, 166, 222, 0.12);
  color: var(--primary-pale);
}

.b-result-row--dark {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}
.b-result-row--dark:first-child {
  border-top-color: rgba(255, 255, 255, 0.08);
}

.b-result-row-label--dark {
  color: rgba(255, 255, 255, 0.45);
}

.b-result-row-val--dark {
  color: var(--primary-pale);
}

.b-result-icon-wrap--dark {
  background: rgba(199, 166, 222, 0.10);
}
.b-result-icon-wrap--dark svg {
  color: var(--primary-pale);
  opacity: 1;
}

.b-result-caption--dark {
  color: rgba(255, 255, 255, 0.45);
}

.b-result-focal--dark {
  color: var(--primary-pale);
}

.b-result-header-row svg {
  color: var(--primary-pale);
  opacity: 1;
}

.b-result-header-label--dark {
  color: var(--primary-pale);
}

.b-result-big--dark {
  color: var(--primary-pale);
}

.b-result-big-label--dark {
  color: rgba(255, 255, 255, 0.45);
}

.b-result-divider--dark {
  background: rgba(255, 255, 255, 0.08);
}

.b-result-footnote--dark {
  color: rgba(255, 255, 255, 0.35);
}

/* ─── Responsive: dark panel ─────────────────────────────────────── */
@media (max-width: 960px) {
  .b-results-panel {
    padding: var(--spacing-xl) var(--spacing-md);
    border-radius: var(--radius-lg);
  }
}