/* ═══════════════════════════════════════════════════════
   STORIES.CSS — Case Study Detail Page Styles
   Najah Brand: Black / White / Lime / Off-white / Charcoal
═══════════════════════════════════════════════════════ */

/* ─── Layout Container ─── */
.cs-section { max-width: 1200px; margin: 0 auto; padding: 100px 52px; }
.cs-section-full { width: 100%; }

/* Backgrounds */
.cs-section-dark { background: var(--najah-black); color: #fff; }
.cs-section-offwhite { background: var(--najah-offwhite); color: var(--text-primary); }
.cs-section-lime { background: linear-gradient(135deg, #F7F8F3 0%, #EFFFBA 50%, #F7F8F3 100%); color: var(--text-primary); }

/* ─── Breadcrumb ─── */
.cs-breadcrumb { max-width: 1200px; margin: 0 auto; padding: 120px 52px 0; }
.cs-breadcrumb ol { display: flex; align-items: center; gap: 8px; list-style: none; padding: 0; margin: 0; }
.cs-breadcrumb a { color: var(--text-secondary, #666); text-decoration: none; font-size: 0.8125rem; font-weight: 500; transition: color 0.2s; }
.cs-breadcrumb a:hover { color: var(--text-primary, #090909); }
.cs-breadcrumb .bc-sep { color: var(--text-tertiary, #999); font-size: 0.75rem; }
.cs-breadcrumb .bc-current { color: var(--text-primary, #090909); font-size: 0.8125rem; font-weight: 600; }

.cs-section-dark .cs-breadcrumb a { color: rgba(255,255,255,0.6); }
.cs-section-dark .cs-breadcrumb a:hover { color: #fff; }
.cs-section-dark .cs-breadcrumb .bc-sep { color: rgba(255,255,255,0.3); }
.cs-section-dark .cs-breadcrumb .bc-current { color: #fff; }

/* ─── Demo Label ─── */
.cs-demo-label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-dark, #82A800); background: rgba(191, 255, 0, 0.1);
  padding: 4px 12px; border-radius: 4px; border: 1px solid rgba(191, 255, 0, 0.2);
}
.cs-section-dark .cs-demo-label { color: #BFFF00; background: rgba(191, 255, 0, 0.08); border-color: rgba(191, 255, 0, 0.15); }

/* ─── Hero ─── */
.cs-hero { padding: 48px 52px 80px; max-width: 1200px; margin: 0 auto; }
.cs-hero-grid { display: grid; grid-template-columns: 1fr 340px; gap: 64px; align-items: start; }
.cs-hero-eyebrow {
  display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--accent-dark, #82A800); margin-bottom: 20px;
}
.cs-hero-headline {
  font-size: clamp(2.5rem, 4.5vw, 4rem); font-weight: 700; line-height: 1.08;
  letter-spacing: -0.03em; color: var(--text-primary, #090909); margin: 0 0 24px;
}
.cs-hero-subtitle { font-size: 1.1875rem; line-height: 1.6; color: var(--text-secondary, #666); margin: 0 0 40px; max-width: 600px; }
.cs-hero-meta { display: flex; gap: 40px; flex-wrap: wrap; }
.cs-hero-meta-item { display: flex; flex-direction: column; gap: 4px; }
.cs-hero-meta-label { font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-tertiary, #999); }
.cs-hero-meta-value { font-size: 0.9375rem; font-weight: 600; color: var(--text-primary, #090909); }

.cs-section-dark .cs-hero-headline { color: #fff; }
.cs-section-dark .cs-hero-subtitle { color: rgba(255,255,255,0.7); }
.cs-section-dark .cs-hero-meta-label { color: rgba(255,255,255,0.5); }
.cs-section-dark .cs-hero-meta-value { color: #fff; }

/* ─── Client Profile Card ─── */
.cs-profile-card {
  background: var(--najah-dark-card); color: #fff; border-radius: 16px; padding: 40px 32px;
  display: flex; flex-direction: column; gap: 24px; border: 1px solid var(--najah-dark-border);
  box-shadow: 0 24px 48px rgba(0,0,0,0.4); transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s ease;
}
.cs-profile-card:hover { transform: translateY(-4px); box-shadow: var(--lime-glow-strong); border-color: rgba(198, 255, 0, 0.3); }
.cs-profile-monogram {
  width: 56px; height: 56px; border-radius: 12px; background: rgba(191, 255, 0, 0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; font-weight: 700; color: #BFFF00; letter-spacing: 0.02em;
}
.cs-profile-name { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.02em; color: #fff; }
.cs-profile-items { display: flex; flex-direction: column; gap: 16px; }
.cs-profile-item { display: flex; flex-direction: column; gap: 4px; }
.cs-profile-label { font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,0.5); }
.cs-profile-value { font-size: 0.875rem; font-weight: 500; color: rgba(255,255,255,0.95); }
.cs-profile-services { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.cs-profile-svc-tag {
  font-size: 0.75rem; font-weight: 600; padding: 6px 14px; border-radius: 100px;
  background: rgba(191, 255, 0, 0.1); color: #BFFF00; border: 1px solid rgba(191, 255, 0, 0.2);
}

/* ─── Section Headers ─── */
.cs-eyebrow {
  display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--accent-dark, #82A800); margin-bottom: 16px;
}
.cs-heading {
  font-size: clamp(2rem, 3.5vw, 2.75rem); font-weight: 700; line-height: 1.1;
  letter-spacing: -0.03em; color: var(--text-primary); margin: 0 0 20px;
}
.cs-desc { font-size: 1.125rem; line-height: 1.6; color: var(--text-secondary, #666); max-width: 680px; }

.cs-section-dark .cs-eyebrow { color: #BFFF00; }
.cs-section-dark .cs-heading { color: #fff; }
.cs-section-dark .cs-desc { color: rgba(255,255,255,0.7); }

/* ─── Challenge / Objective Split ─── */
.cs-split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.cs-split-block h3 { font-size: 1.5rem; font-weight: 700; margin: 0 0 16px; letter-spacing: -0.02em; color: var(--text-primary); }
.cs-split-block p { font-size: 1.0625rem; line-height: 1.7; color: var(--text-secondary, #666); }

.cs-section-dark .cs-split-block h3 { color: #fff; }
.cs-section-dark .cs-split-block p { color: rgba(255,255,255,0.7); }

/* ─── Approach List ─── */
.cs-approach-list { display: flex; flex-direction: column; gap: 0; margin-top: 48px; }
.cs-approach-item {
  display: flex; align-items: flex-start; gap: 24px; padding: 24px 0;
  border-bottom: 1px solid var(--border-light, rgba(0,0,0,0.08));
}
.cs-approach-num {
  width: 40px; height: 40px; min-width: 40px; border-radius: 8px;
  background: rgba(191, 255, 0, 0.12); color: var(--accent-dark, #82A800);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.875rem; font-weight: 700;
}
.cs-approach-title { font-size: 1.125rem; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
.cs-approach-desc { font-size: 1rem; line-height: 1.6; color: var(--text-secondary, #666); }

.cs-section-dark .cs-approach-num { background: rgba(191, 255, 0, 0.1); color: #BFFF00; }
.cs-section-dark .cs-approach-item { border-color: rgba(255,255,255,0.1); }
.cs-section-dark .cs-approach-title { color: #fff; }
.cs-section-dark .cs-approach-desc { color: rgba(255,255,255,0.7); }

/* ─── System Visualization ─── */
.cs-system-vis {
  display: flex; align-items: center; gap: 0; flex-wrap: wrap;
  justify-content: center; padding: 56px 0;
}
.cs-vis-node {
  display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 16px 20px;
}
.cs-vis-dot {
  width: 56px; height: 56px; border-radius: 12px; background: rgba(191, 255, 0, 0.15);
  display: flex; align-items: center; justify-content: center;
  border: 2px solid rgba(191, 255, 0, 0.3); transition: transform 0.3s ease;
}
.cs-vis-node:hover .cs-vis-dot { transform: translateY(-4px); }
.cs-vis-dot svg { stroke: var(--accent-dark, #82A800); width: 24px; height: 24px; }
.cs-vis-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-secondary, #666); }
.cs-vis-line { width: 48px; height: 2px; background: linear-gradient(90deg, transparent, rgba(130,168,0,0.5), transparent); flex-shrink: 0; margin-bottom: 32px; }

.cs-section-dark .cs-vis-dot { background: rgba(191, 255, 0, 0.08); border-color: rgba(191, 255, 0, 0.25); }
.cs-section-dark .cs-vis-dot svg { stroke: #BFFF00; }
.cs-section-dark .cs-vis-label { color: rgba(255,255,255,0.7); }
.cs-section-dark .cs-vis-line { background: linear-gradient(90deg, transparent, rgba(191,255,0,0.5), transparent); }

/* ─── Timeline ─── */
.cs-timeline { position: relative; padding-left: 32px; margin-top: 48px; }
.cs-timeline::before {
  content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px;
  background: linear-gradient(180deg, var(--accent-dark, #82A800), rgba(130,168,0,0.1));
}
.cs-timeline-item { position: relative; padding: 0 0 40px 0; }
.cs-timeline-item:last-child { padding-bottom: 0; }
.cs-timeline-dot {
  position: absolute; left: -32px; top: 4px; width: 16px; height: 16px;
  border-radius: 50%; background: var(--accent-dark, #82A800); border: 3px solid var(--bg, #fff);
}
.cs-timeline-week { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent-dark, #82A800); margin-bottom: 8px; }
.cs-timeline-title { font-size: 1.125rem; font-weight: 700; margin-bottom: 6px; color: var(--text-primary); }
.cs-timeline-desc { font-size: 1rem; line-height: 1.6; color: var(--text-secondary, #666); }

.cs-section-dark .cs-timeline::before { background: linear-gradient(180deg, #BFFF00, rgba(191,255,0,0.1)); }
.cs-section-dark .cs-timeline-dot { background: #BFFF00; border-color: var(--najah-black, #090909); }
.cs-section-dark .cs-timeline-week { color: #BFFF00; }
.cs-section-dark .cs-timeline-title { color: #fff; }
.cs-section-dark .cs-timeline-desc { color: rgba(255,255,255,0.7); }

/* ─── Before / After ─── */
.cs-ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; margin-top: 48px; }
.cs-ba-col { display: flex; flex-direction: column; gap: 0; }
.cs-ba-header {
  font-size: 0.875rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em;
  padding: 16px 0; border-bottom: 2px solid; margin-bottom: 20px; color: var(--text-primary);
}
.cs-ba-before .cs-ba-header { color: #e74c3c; border-color: rgba(231,76,60,0.3); }
.cs-ba-after .cs-ba-header { color: var(--accent-dark, #82A800); border-color: rgba(130,168,0,0.3); }
.cs-ba-item { display: flex; align-items: flex-start; gap: 16px; padding: 12px 0; font-size: 1rem; line-height: 1.5; color: var(--text-primary); }
.cs-ba-item svg { flex-shrink: 0; margin-top: 3px; }
.cs-ba-before .cs-ba-item svg { stroke: #e74c3c; }
.cs-ba-after .cs-ba-item svg { stroke: var(--accent-dark, #82A800); }

.cs-section-dark .cs-ba-header { color: #fff; }
.cs-section-dark .cs-ba-after .cs-ba-header { color: #BFFF00; border-color: rgba(191,255,0,0.3); }
.cs-section-dark .cs-ba-item { color: rgba(255,255,255,0.85); }
.cs-section-dark .cs-ba-after .cs-ba-item svg { stroke: #BFFF00; }

/* ─── Metrics Grid ─── */
.cs-metrics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; margin-top: 48px; }
.cs-metric {
  background: rgba(130,168,0,0.06); border: 1px solid rgba(130,168,0,0.12);
  border-radius: 16px; padding: 32px 24px; text-align: center;
  transition: transform 0.3s ease;
}
.cs-metric:hover { transform: translateY(-4px); }
.cs-metric-value { font-size: 2.5rem; font-weight: 700; color: var(--accent-dark, #82A800); letter-spacing: -0.03em; line-height: 1; margin-bottom: 8px; }
.cs-metric-label { font-size: 0.875rem; font-weight: 600; color: var(--text-secondary, #666); }
.cs-metrics-note { text-align: center; margin-top: 24px; font-size: 0.8125rem; color: var(--text-tertiary, #999); font-style: italic; }

.cs-section-dark .cs-metric { background: rgba(191, 255, 0, 0.05); border-color: rgba(191, 255, 0, 0.1); }
.cs-section-dark .cs-metric-value { color: #BFFF00; }
.cs-section-dark .cs-metric-label { color: rgba(255,255,255,0.7); }
.cs-section-dark .cs-metrics-note { color: rgba(255,255,255,0.4); }

/* ─── Derived Rates ─── */
.cs-rates { display: flex; justify-content: center; gap: 56px; margin-top: 32px; flex-wrap: wrap; }
.cs-rate { text-align: center; }
.cs-rate-value { font-size: 1.75rem; font-weight: 700; color: var(--accent-dark, #82A800); }
.cs-rate-label { font-size: 0.8125rem; font-weight: 600; color: var(--text-secondary, #666); margin-top: 4px; }

.cs-section-dark .cs-rate-value { color: #BFFF00; }
.cs-section-dark .cs-rate-label { color: rgba(255,255,255,0.6); }

/* ─── Key Learnings ─── */
.cs-learnings { display: flex; flex-direction: column; gap: 20px; margin-top: 40px; }
.cs-learning {
  display: flex; align-items: flex-start; gap: 20px; padding: 24px;
  background: rgba(130,168,0,0.04); border: 1px solid rgba(130,168,0,0.1); border-radius: 12px;
}
.cs-learning-icon { flex-shrink: 0; width: 24px; height: 24px; color: var(--accent-dark, #82A800); }
.cs-learning-text { font-size: 1.0625rem; line-height: 1.6; color: var(--text-primary); }

.cs-section-dark .cs-learning { background: rgba(191, 255, 0, 0.04); border-color: rgba(191, 255, 0, 0.1); }
.cs-section-dark .cs-learning-icon { color: #BFFF00; }
.cs-section-dark .cs-learning-text { color: rgba(255,255,255,0.9); }

/* ─── Testimonial Block ─── */
.cs-testimonial {
  max-width: 800px; margin: 0 auto; text-align: center; padding: 64px 0;
}
.cs-testimonial-quote {
  font-size: 1.5rem; font-weight: 500; line-height: 1.5; letter-spacing: -0.01em;
  font-style: italic; color: var(--text-primary, #090909); margin: 0 0 32px;
}
.cs-testimonial-author { font-size: 1.0625rem; font-weight: 700; color: var(--text-primary, #090909); }
.cs-testimonial-role { font-size: 0.875rem; color: var(--text-secondary, #666); margin-top: 4px; }
.cs-testimonial-demo { margin-top: 16px; }

.cs-section-dark .cs-testimonial-quote { color: #fff; }
.cs-section-dark .cs-testimonial-author { color: #fff; }
.cs-section-dark .cs-testimonial-role { color: rgba(255,255,255,0.6); }

/* ─── Related Services ─── */
.cs-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.cs-related-card {
  display: flex; flex-direction: column; gap: 16px; padding: 40px 32px;
  background: #fff; border: 1px solid var(--border-light, rgba(0,0,0,0.08));
  border-radius: 16px; text-decoration: none; color: inherit;
  transition: transform 0.3s, box-shadow 0.3s;
}
.cs-related-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.08); }
.cs-related-num { font-size: 0.75rem; font-weight: 700; color: var(--accent-dark, #82A800); }
.cs-related-title { font-size: 1.25rem; font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em; }
.cs-related-desc { font-size: 0.9375rem; line-height: 1.6; color: var(--text-secondary, #666); }
.cs-related-link { font-size: 0.875rem; font-weight: 700; color: var(--text-primary); margin-top: auto; display: inline-flex; align-items: center; gap: 6px; }
.cs-related-link .cta-arrow { color: var(--accent-dark, #82A800); transition: transform 0.2s; }
.cs-related-card:hover .cta-arrow { transform: translateX(4px); }

.cs-section-dark .cs-related-card { background: var(--najah-dark-card); border-color: var(--najah-dark-border); }
.cs-section-dark .cs-related-card:hover { box-shadow: var(--lime-glow-strong); border-color: rgba(198, 255, 0, 0.3); transform: translateY(-6px); }
.cs-section-dark .cs-related-num { color: #BFFF00; }
.cs-section-dark .cs-related-title { color: #fff; }
.cs-section-dark .cs-related-desc { color: rgba(255,255,255,0.7); }
.cs-section-dark .cs-related-link { color: #fff; }
.cs-section-dark .cs-related-link .cta-arrow { color: #BFFF00; }

/* ─── Final CTA ─── */
.cs-final-cta {
  text-align: center; padding: 120px 52px;
  background: linear-gradient(135deg, #F7F8F3 0%, #EFFFBA 50%, #F7F8F3 100%);
  color: var(--text-primary);
}
.cs-final-cta .cs-heading { max-width: 680px; margin: 0 auto 20px; color: var(--text-primary); }
.cs-final-cta .cs-desc { margin: 0 auto 40px; text-align: center; color: var(--text-secondary); }
.cs-final-cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ─── Chart Visualization (CSS-only bar charts) ─── */
.cs-chart { display: flex; align-items: flex-end; gap: 20px; height: 240px; padding: 32px; margin-top: 40px; background: rgba(0,0,0,0.02); border-radius: 16px; }
.cs-chart-bar-group { display: flex; flex-direction: column; align-items: center; gap: 12px; flex: 1; }
.cs-chart-bar {
  width: 100%; border-radius: 8px 8px 0 0; background: linear-gradient(180deg, var(--accent-dark, #82A800) 0%, rgba(130,168,0,0.4) 100%);
  transition: height 1s ease; min-height: 4px;
}
.cs-chart-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-tertiary); }
.cs-chart-value { font-size: 0.875rem; font-weight: 700; color: var(--accent-dark, #82A800); }

.cs-section-dark .cs-chart { background: rgba(255,255,255,0.02); }
.cs-section-dark .cs-chart-bar { background: linear-gradient(180deg, #BFFF00 0%, rgba(191,255,0,0.4) 100%); }
.cs-section-dark .cs-chart-label { color: rgba(255,255,255,0.5); }
.cs-section-dark .cs-chart-value { color: #BFFF00; }

/* ─── Funnel Visualization ─── */
.cs-funnel { display: flex; flex-direction: column; align-items: center; gap: 6px; margin-top: 40px; padding: 32px; background: rgba(0,0,0,0.02); border-radius: 16px; }
.cs-funnel-stage {
  display: flex; align-items: center; justify-content: space-between; padding: 16px 32px;
  border-radius: 8px; transition: all 0.3s;
}
.cs-funnel-stage:nth-child(1) { width: 100%; background: rgba(130,168,0,0.15); }
.cs-funnel-stage:nth-child(2) { width: 85%; background: rgba(130,168,0,0.12); }
.cs-funnel-stage:nth-child(3) { width: 70%; background: rgba(130,168,0,0.1); }
.cs-funnel-stage:nth-child(4) { width: 55%; background: rgba(130,168,0,0.08); }
.cs-funnel-stage:nth-child(5) { width: 42%; background: rgba(130,168,0,0.06); }
.cs-funnel-stage:nth-child(6) { width: 30%; background: rgba(130,168,0,0.05); }
.cs-funnel-name { font-size: 0.8125rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-secondary); }
.cs-funnel-num { font-size: 1rem; font-weight: 700; color: var(--accent-dark, #82A800); }

.cs-section-dark .cs-funnel { background: rgba(255,255,255,0.02); }
.cs-section-dark .cs-funnel-stage:nth-child(1) { background: rgba(191,255,0,0.15); }
.cs-section-dark .cs-funnel-stage:nth-child(2) { background: rgba(191,255,0,0.12); }
.cs-section-dark .cs-funnel-stage:nth-child(3) { background: rgba(191,255,0,0.1); }
.cs-section-dark .cs-funnel-stage:nth-child(4) { background: rgba(191,255,0,0.08); }
.cs-section-dark .cs-funnel-stage:nth-child(5) { background: rgba(191,255,0,0.06); }
.cs-section-dark .cs-funnel-stage:nth-child(6) { background: rgba(191,255,0,0.05); }
.cs-section-dark .cs-funnel-name { color: rgba(255,255,255,0.8); }
.cs-section-dark .cs-funnel-num { color: #BFFF00; }

/* ─── Progress Bars Visualization ─── */
.cs-progress-bars { display: flex; flex-direction: column; gap: 24px; margin-top: 40px; padding: 32px; background: rgba(0,0,0,0.02); border-radius: 16px; }
.cs-progress-item { display: flex; flex-direction: column; gap: 8px; }
.cs-progress-header { display: flex; justify-content: space-between; }
.cs-progress-label { font-size: 0.8125rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-secondary); }
.cs-progress-value { font-size: 0.9375rem; font-weight: 700; color: var(--accent-dark, #82A800); }
.cs-progress-track { width: 100%; height: 10px; background: rgba(0,0,0,0.06); border-radius: 6px; overflow: hidden; }
.cs-progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent-dark, #82A800), rgba(130,168,0,0.6)); border-radius: 6px; transition: width 1.5s ease; }

.cs-section-dark .cs-progress-bars { background: rgba(255,255,255,0.02); }
.cs-section-dark .cs-progress-label { color: rgba(255,255,255,0.7); }
.cs-section-dark .cs-progress-value { color: #BFFF00; }
.cs-section-dark .cs-progress-track { background: rgba(255,255,255,0.1); }
.cs-section-dark .cs-progress-fill { background: linear-gradient(90deg, #BFFF00, rgba(191,255,0,0.6)); }

/* ─── Pipeline Visualization ─── */
.cs-pipeline { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 20px; margin-top: 40px; }
.cs-pipeline-stage {
  text-align: center; padding: 32px 20px; border-radius: 16px;
  background: rgba(130,168,0,0.05); border: 1px solid rgba(130,168,0,0.1);
  transition: transform 0.3s ease;
}
.cs-pipeline-stage:hover { transform: translateY(-4px); }
.cs-pipeline-num { font-size: 2rem; font-weight: 700; color: var(--accent-dark, #82A800); margin-bottom: 8px; }
.cs-pipeline-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-secondary); }

.cs-section-dark .cs-pipeline-stage { background: rgba(191,255,0,0.05); border-color: rgba(191,255,0,0.1); }
.cs-section-dark .cs-pipeline-num { color: #BFFF00; }
.cs-section-dark .cs-pipeline-label { color: rgba(255,255,255,0.6); }

/* ─── Architecture Diagram ─── */
.cs-arch { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.cs-arch-node {
  text-align: center; padding: 32px 20px; border-radius: 16px;
  background: rgba(130,168,0,0.06); border: 1px solid rgba(130,168,0,0.12);
  transition: transform 0.3s ease; display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.cs-arch-node:hover { transform: translateY(-4px); }
.cs-arch-icon svg { stroke: var(--accent-dark, #82A800); width: 28px; height: 28px; }
.cs-arch-label { font-size: 0.8125rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-primary); }

.cs-section-dark .cs-arch-node { background: rgba(191,255,0,0.06); border-color: rgba(191,255,0,0.12); }
.cs-section-dark .cs-arch-icon svg { stroke: #BFFF00; }
.cs-section-dark .cs-arch-label { color: rgba(255,255,255,0.8); }

/* ═══════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════ */
@media (max-width: 1200px) {
  .cs-section { padding: 80px 40px; }
  .cs-hero { padding: 40px 40px 64px; }
  .cs-breadcrumb { padding: 100px 40px 0; }
  .cs-final-cta { padding: 80px 40px; }
}

@media (max-width: 900px) {
  .cs-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .cs-split { grid-template-columns: 1fr; gap: 48px; }
  .cs-ba-grid { grid-template-columns: 1fr; gap: 40px; }
  .cs-related-grid { grid-template-columns: 1fr; }
  .cs-arch { grid-template-columns: repeat(2, 1fr); }
  .cs-hero-meta { gap: 24px; }
}

@media (max-width: 768px) {
  .cs-section { padding: 64px 24px; }
  .cs-hero { padding: 32px 24px 48px; }
  .cs-breadcrumb { padding: 90px 24px 0; }
  .cs-final-cta { padding: 64px 24px; }
  .cs-hero-headline { font-size: 2.25rem; }
  .cs-heading { font-size: 2rem; }
  .cs-hero-meta { gap: 20px; }
  .cs-profile-card { padding: 32px 24px; }
  .cs-metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .cs-system-vis { gap: 0; }
  .cs-vis-node { padding: 12px 12px; }
  .cs-vis-line { width: 24px; }
  .cs-testimonial-quote { font-size: 1.25rem; }
  .cs-pipeline { grid-template-columns: repeat(2, 1fr); }
  .cs-rates { gap: 32px; flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .cs-section { padding: 56px 20px; }
  .cs-hero { padding: 24px 20px 40px; }
  .cs-breadcrumb { padding: 84px 20px 0; }
  .cs-final-cta { padding: 48px 20px; }
  .cs-hero-headline { font-size: 1.875rem; }
  .cs-heading { font-size: 1.75rem; }
  .cs-metrics-grid { grid-template-columns: 1fr; }
  .cs-chart { height: 200px; gap: 12px; padding: 20px; }
  .cs-funnel-stage { padding: 12px 20px; }
  .cs-system-vis { flex-direction: column; }
  .cs-vis-line { width: 2px; height: 24px; margin-bottom: 0; }
  .cs-arch { grid-template-columns: 1fr; }
  .cs-split-block h3 { font-size: 1.25rem; }
  .cs-profile-card { box-shadow: 0 12px 24px rgba(0,0,0,0.15); }
}