/* ki-enablement.css - KI-Enablement page-scoped styles (.ke-*)
   All classes prefixed ke- to avoid collision with lp-/ is- shared primitives.
   Depends on: styles.css, leistung-detail.css (shared CTA / FAQ come from there).
   ─────────────────────────────────────────────────────────────── */

/* ── FOUC-safe reveal gate (mirrors leistung-detail.css) ── */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
}

.js [data-reveal].is-revealed,
.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  filter: none;
  will-change: auto;
}

.js [data-reveal].is-visible {
  transition:
    opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-reduced-motion: reduce) {
  .js [data-reveal],
  .js [data-reveal].is-revealed {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

/* Prevent horizontal overflow on all new sections */
#main-content {
  overflow-x: clip;
}

/* ══════════════════════════════════════════════════════════════
   SHARED ke-* PRIMITIVES
   ══════════════════════════════════════════════════════════════ */
.ke-kicker {
  display: block;
  font-size: clamp(0.68rem, 1.4vw, 0.76rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.75rem;
}

.ke-title {
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0 0 1rem;
}

.ke-intro {
  font-size: clamp(1rem, 2vw, 1.1rem);
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 60ch;
  margin: 0;
}

/* Chips container adjustments - only for paragraphs containing chips */
.ke-intro:has(.ke-chip) {
  max-width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
}

/* Fallback for browsers without :has() support */
@supports not (selector(:has(*))) {
  .ke-kz-header p.ke-intro[style*="margin-top"] {
    max-width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    align-items: center;
  }
}

/* Chips inside .ke-intro */
.ke-intro .ke-chip {
  display: inline-block;
  margin: 0;
  vertical-align: middle;
  flex-shrink: 0;
}

/* Section header helper */
.ke-section-header {
  max-width: 44rem;
  margin: 0 auto clamp(2.5rem, 5vw, 3.5rem);
  text-align: center;
}

.ke-section-header .ke-intro {
  margin-inline: auto;
}

/* ══════════════════════════════════════════════════════════════
   1) KI-WERTMATRIX - signature section (refined from original)
   ══════════════════════════════════════════════════════════════ */
.ke-matrix-section {
  padding: clamp(3.5rem, 8vw, 6.5rem) clamp(1.25rem, 4vw, 2.5rem);
  max-width: 1280px;
  margin-inline: auto;
}

.ke-matrix-header {
  max-width: 44rem;
  margin: 0 auto clamp(2rem, 4vw, 3rem);
  text-align: center;
}

.ke-matrix-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.25rem;
}

@media (max-width: 767px) {
  .ke-matrix-controls {
    flex-wrap: nowrap;
    justify-content: flex-start;
  }
}

.ke-matrix-chip {
  flex-shrink: 0;
  padding: 0.45rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--text-muted);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 2rem;
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s, color 0.25s, box-shadow 0.25s;
}

.ke-matrix-chip:hover {
  border-color: rgba(129, 55, 255, 0.35);
  color: var(--text-primary);
}

.ke-matrix-chip.is-active,
.ke-matrix-chip[aria-pressed="true"] {
  background: linear-gradient(135deg, rgba(19, 4, 234, 0.12), rgba(129, 55, 255, 0.12));
  border-color: rgba(19, 4, 234, 0.4);
  color: var(--neon-blue);
  box-shadow: 0 4px 16px rgba(19, 4, 234, 0.12);
}

.ke-matrix-chip:focus-visible {
  outline: 2px solid var(--neon-purple);
  outline-offset: 3px;
}

.ke-matrix-layout {
  display: grid;
  gap: clamp(1rem, 3vw, 1.5rem);
  align-items: start;
}

@media (min-width: 900px) {
  .ke-matrix-layout {
    grid-template-columns: 1fr minmax(240px, 300px);
  }
}

.ke-matrix-stage {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 1.5rem;
  padding: clamp(0.75rem, 2vw, 1.25rem);
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 40px rgba(19, 4, 234, 0.08);
}

.ke-matrix-stage svg {
  width: 100%;
  height: auto;
  display: block;
}

.ke-matrix-grid-line {
  stroke: rgba(19, 4, 234, 0.08);
  stroke-width: 1;
}

.ke-matrix-axis {
  stroke: rgba(28, 28, 56, 0.2);
  stroke-width: 1.5;
}

.ke-matrix-axis-label {
  fill: rgba(28, 28, 56, 0.55);
  font-size: 11px;
  font-weight: 600;
  font-family: Inter, system-ui, sans-serif;
}

#ke-wertlinie {
  fill: none;
  stroke: url(#ke-wertlinie-grad);
  stroke-width: 2;
  stroke-dasharray: 8 4;
  opacity: 0.85;
}

.ke-bubble {
  cursor: pointer;
  outline: none;
}

.ke-bubble-dot {
  transition: filter 0.25s ease;
}

.ke-bubble.is-hovered .ke-bubble-dot,
.ke-bubble.is-selected .ke-bubble-dot,
.ke-bubble:focus-visible .ke-bubble-dot {
  filter: drop-shadow(0 0 8px currentColor);
}

.ke-bubble:focus-visible {
  outline: 2px solid var(--neon-purple);
  outline-offset: 3px;
}

.ke-matrix-verdict {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 1.25rem;
  padding: clamp(1.15rem, 2.5vw, 1.5rem);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(19, 4, 234, 0.1);
  min-height: 140px;
}

@media (max-width: 899px) {
  .ke-matrix-verdict {
    display: none;
  }
  .ke-matrix-verdict.is-visible {
    display: block;
  }
}

.ke-verdict-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.65rem;
  line-height: 1.35;
}

.ke-verdict-badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 2rem;
  margin-bottom: 0.75rem;
  background: rgba(28, 28, 56, 0.08);
  color: var(--text-muted);
}

.ke-verdict-badge--green  { background: rgba(34,197,94,.15); color: #15803d; border: 1px solid rgba(34,197,94,.35); }
.ke-verdict-badge--yellow { background: rgba(245,158,11,.15); color: #b45309; border: 1px solid rgba(245,158,11,.35); }
.ke-verdict-badge--red    { background: rgba(239,68,68,.15); color: #b91c1c; border: 1px solid rgba(239,68,68,.35); }

.ke-verdict-note {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0;
}

.ke-matrix-counters {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(0.65rem, 2vw, 1rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.ke-matrix-counter {
  text-align: center;
  padding: clamp(0.85rem, 2vw, 1.15rem);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
}

.ke-matrix-counter-value {
  display: block;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  color: var(--neon-blue);
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.25rem;
}

.ke-matrix-counter-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.35;
}

@media (max-width: 767px) {
  .ke-matrix-counters {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 480px) {
  .ke-matrix-counters {
    grid-template-columns: 1fr;
  }
}

/* ══════════════════════════════════════════════════════════════
   2) USE-CASE-EXPLORER - split-view focus list
   ══════════════════════════════════════════════════════════════ */
.ke-usecases {
  padding: clamp(3.5rem, 8vw, 6.5rem) clamp(1.25rem, 4vw, 2.5rem);
  max-width: 1280px;
  margin-inline: auto;
}

.ke-uc-wrapper {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.5rem);
  align-items: start;
}

@media (min-width: 900px) {
  .ke-uc-wrapper {
    grid-template-columns: 320px 1fr;
  }
}

/* Rail (left column) */
.ke-uc-rail {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.ke-uc-tab {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
  padding: clamp(0.85rem, 2vw, 1rem) clamp(0.85rem, 2vw, 1.15rem);
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
  overflow: hidden;
}

.ke-uc-tab:hover,
.ke-uc-tab:focus-visible {
  border-color: rgba(129, 55, 255, 0.35);
  box-shadow: 0 4px 18px rgba(19, 4, 234, 0.1);
}

.ke-uc-tab.is-active {
  background: linear-gradient(135deg,
    rgba(19, 4, 234, 0.07) 0%,
    rgba(129, 55, 255, 0.05) 100%);
  border-color: rgba(19, 4, 234, 0.35);
  box-shadow: 0 6px 24px rgba(19, 4, 234, 0.12);
}

.ke-uc-tab.is-active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--neon-blue), var(--neon-purple));
  border-radius: 0 2px 2px 0;
}

.ke-uc-tab:focus-visible {
  outline: 2px solid var(--neon-purple);
  outline-offset: 2px;
}

/* (flex layout merged into .ke-uc-tab above) */

.ke-uc-tab-verdict {
  font-size: 0.95rem;
  flex-shrink: 0;
}

/* Verdict color dots */
.ke-verdict--green  { color: #22c55e; }
.ke-verdict--yellow { color: #f59e0b; }
.ke-verdict--red    { color: #ef4444; }

.ke-uc-tab-texts {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.ke-uc-tab-name {
  font-size: clamp(0.88rem, 1.8vw, 0.95rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.ke-uc-tab-domain {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.ke-uc-tab-arrow {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.25s ease, color 0.25s ease;
}

.ke-uc-tab.is-active .ke-uc-tab-arrow,
.ke-uc-tab:hover .ke-uc-tab-arrow {
  transform: translateX(3px);
  color: var(--neon-purple);
}

/* Mobile inline panel - injected by JS after each button on mobile */
.ke-uc-mobile-body {
  display: none;
  overflow: hidden;
}

/* Right panel */
.ke-uc-panel {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 1.5rem;
  padding: clamp(1.5rem, 3vw, 2rem);
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 40px rgba(19, 4, 234, 0.1);
  min-height: 18rem;
}

.ke-uc-detail {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.ke-uc-detail-header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.ke-uc-detail-verdict {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: 2rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.ke-uc-detail-verdict--green {
  background: rgba(34,197,94,.12);
  color: #15803d;
  border: 1px solid rgba(34,197,94,.3);
}

.ke-uc-detail-verdict--yellow {
  background: rgba(245,158,11,.12);
  color: #b45309;
  border: 1px solid rgba(245,158,11,.3);
}

.ke-uc-detail-domain {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  border-radius: 2rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(19, 4, 234, 0.07);
  color: var(--neon-blue);
  border: 1px solid rgba(19, 4, 234, 0.15);
}

.ke-uc-detail-title {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.25;
}

.ke-uc-detail-body {
  font-size: clamp(0.9rem, 1.8vw, 1rem);
  line-height: 1.65;
  color: var(--text-muted);
  margin: 0;
}

.ke-uc-detail-note {
  display: flex;
  gap: 0.65rem;
  padding: 0.85rem 1rem;
  background: rgba(19, 4, 234, 0.05);
  border-left: 3px solid var(--neon-blue);
  border-radius: 0 0.65rem 0.65rem 0;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-primary);
}

.ke-uc-detail-note::before {
  content: '→';
  font-weight: 800;
  color: var(--neon-blue);
  flex-shrink: 0;
}

.ke-uc-detail-stack-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.ke-uc-detail-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

/* Shared chip token */
.ke-chip {
  padding: 0.3rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 2rem;
  background: rgba(19, 4, 234, 0.07);
  color: var(--text-muted);
  border: 1px solid rgba(19, 4, 234, 0.12);
  transition: background 0.2s;
  white-space: nowrap;
  display: inline-block;
}

.ke-chip--accent {
  background: rgba(19, 4, 234, 0.14);
  border-color: rgba(19, 4, 234, 0.3);
  color: var(--neon-blue);
  font-weight: 700;
}

.ke-chip--trust {
  background: rgba(34,197,94,.1);
  border-color: rgba(34,197,94,.3);
  color: #15803d;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
}

/* Mobile: show accordion, hide right panel */
@media (max-width: 899px) {
  .ke-uc-panel {
    display: none;
  }

  /* Mobile panels injected by JS */
  .ke-uc-mobile-body.is-open {
    display: block;
    padding: 0.75rem clamp(0.85rem, 3vw, 1.15rem) clamp(0.85rem, 3vw, 1.15rem);
    background: linear-gradient(135deg, rgba(19,4,234,0.04), rgba(129,55,255,0.03));
    border: 1px solid rgba(19,4,234,0.12);
    border-top: none;
    border-radius: 0 0 1rem 1rem;
    margin-top: -0.35rem;
  }

  /* Ensure chips display properly on mobile */
  .ke-chip {
    font-size: 0.7rem;
    padding: 0.28rem 0.6rem;
  }
}

/* ══════════════════════════════════════════════════════════════
   3) TENANT-STACK - layered glass slab visual
   ══════════════════════════════════════════════════════════════ */
.ke-stack {
  position: relative;
  padding: clamp(3.5rem, 8vw, 6.5rem) clamp(1.25rem, 4vw, 2.5rem);
  max-width: 1280px;
  margin-inline: auto;
  overflow: visible;
}

/* Subtle background schematic grid */
.ke-stack-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(19,4,234,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19,4,234,0.04) 1px, transparent 1px);
  background-size: 3rem 3rem;
  border-radius: 2rem;
  pointer-events: none;
  z-index: 0;
}

.ke-stack-header {
  position: relative;
  z-index: 1;
  max-width: 44rem;
  margin: 0 auto clamp(2.5rem, 5vw, 3.5rem);
  text-align: center;
}

.ke-stack-header .ke-intro {
  margin-inline: auto;
}

/* 4-slab horizontal row */
.ke-slab-group {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.75rem, 1.5vw, 1rem);
  align-items: stretch;
}

.ke-slab {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 1.35rem;
  overflow: hidden;
  transition:
    transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.35s ease,
    border-color 0.35s ease;
  cursor: default;
}

/* Colored top-edge accent per layer */
.ke-slab-top-accent {
  height: 3px;
  width: 100%;
}

.ke-slab--cloud .ke-slab-top-accent  { background: linear-gradient(90deg, #1304ea, #4a6cf7); }
.ke-slab--ai    .ke-slab-top-accent  { background: linear-gradient(90deg, #8137ff, #bf7aff); }
.ke-slab--prod  .ke-slab-top-accent  { background: linear-gradient(90deg, #00c6ff, #8137ff); }
.ke-slab--gov   .ke-slab-top-accent  { background: linear-gradient(90deg, #22c55e, #00c6ff); }

.ke-slab:hover,
.ke-slab:focus-visible {
  transform: translateY(-10px);
  box-shadow: 0 24px 52px rgba(19, 4, 234, 0.18);
}

.ke-slab--cloud:hover  { border-color: rgba(19, 4, 234, 0.45); }
.ke-slab--ai:hover     { border-color: rgba(129, 55, 255, 0.45); }
.ke-slab--prod:hover   { border-color: rgba(0, 198, 255, 0.45); }
.ke-slab--gov:hover    { border-color: rgba(34, 197, 94, 0.45); }

.ke-slab:focus-visible {
  outline: 2px solid var(--neon-purple);
  outline-offset: 3px;
}

.ke-slab-inner {
  padding: clamp(1.15rem, 2vw, 1.5rem);
}

.ke-slab-head {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
}

.ke-slab-num {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  opacity: 0.6;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.ke-slab-title {
  font-size: clamp(0.9rem, 1.8vw, 1rem);
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.3;
}

.ke-slab-sub {
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0 0 0.85rem;
}

.ke-slab-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

/* Hover: brighten chips */
.ke-slab:hover .ke-chip--accent {
  box-shadow: 0 0 0 1px currentColor;
}

/* Tenant badge */
.ke-stack-tenant-badge {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-top: clamp(1.5rem, 3vw, 2rem);
  padding: 0.65rem 1.25rem;
  max-width: 46rem;
  margin-inline: auto;
  background: rgba(34,197,94,.07);
  border: 1px solid rgba(34,197,94,.25);
  border-radius: 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

.ke-stack-tenant-badge svg {
  width: 1.1rem;
  height: 1.1rem;
  color: #22c55e;
  flex-shrink: 0;
}

.ke-stack-tenant-badge strong {
  color: var(--text-primary);
  font-weight: 700;
}

/* Responsive: 2×2 on tablet, stacked on mobile */
@media (max-width: 1024px) {
  .ke-slab-group {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .ke-slab-group {
    grid-template-columns: 1fr;
  }

  .ke-slab:hover {
    transform: translateY(-4px);
  }
}

/* ══════════════════════════════════════════════════════════════
   4) KE-PROZESS - horizontal 4-phase scroll-scrubbed progression
   ══════════════════════════════════════════════════════════════ */
.ke-prozess {
  padding: clamp(3.5rem, 8vw, 6.5rem) clamp(1.25rem, 4vw, 2.5rem);
  max-width: 1280px;
  margin-inline: auto;
}

.ke-prozess-header {
  max-width: 44rem;
  margin: 0 auto clamp(2.5rem, 5vw, 3.5rem);
  text-align: center;
}

.ke-prozess-header .ke-intro {
  margin-inline: auto;
}

/* Track wrapper */
.ke-prozess-track {
  position: relative;
}

/* Progress rail (desktop horizontal connector) */
.ke-prozess-connector {
  position: absolute;
  top: 2.4rem; /* aligns with center of phase-node */
  left: calc(12.5% - 0.5px); /* starts at center of first node */
  right: calc(12.5% - 0.5px); /* ends at center of last node */
  height: 2px;
  z-index: 0;
  display: none; /* shown on desktop */
}

.ke-prozess-rail {
  position: absolute;
  inset: 0;
  background: rgba(129, 55, 255, 0.18);
  border-radius: 1px;
}

.ke-prozess-fill {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
  border-radius: 1px;
  transition: width 0.05s linear;
}

/* Phases row */
.ke-prozess-phases {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.75rem, 2vw, 1.25rem);
}

.ke-phase {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-bottom: 0;
  opacity: 0.45;
  transform: translateY(8px);
  transition:
    opacity 0.55s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.ke-phase.is-active {
  opacity: 1;
  transform: none;
}

.ke-phase-node {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 2px solid var(--glass-border);
  margin-bottom: 1rem;
  box-shadow: 0 4px 18px rgba(19, 4, 234, 0.08);
  transition: border-color 0.4s, box-shadow 0.4s, background 0.4s;
}

.ke-phase.is-active .ke-phase-node {
  background: linear-gradient(135deg, rgba(19,4,234,0.1), rgba(129,55,255,0.1));
  border-color: rgba(19, 4, 234, 0.5);
  box-shadow: 0 8px 28px rgba(19, 4, 234, 0.2);
}

.ke-phase-num {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  transition: color 0.4s;
}

.ke-phase.is-active .ke-phase-num {
  color: var(--neon-blue);
}

.ke-phase-body {
  padding: 0 0.25rem;
}

.ke-phase-title {
  font-size: clamp(0.88rem, 1.8vw, 1rem);
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 0.5rem;
  line-height: 1.3;
}

.ke-phase-desc {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
}

.ke-phase-duration {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(135deg, rgba(19,4,234,0.1), rgba(129,55,255,0.1));
  color: var(--neon-purple);
  border: 1px solid rgba(129,55,255,0.25);
  border-radius: 2rem;
}

/* Show connector on desktop */
@media (min-width: 900px) {
  .ke-prozess-connector {
    display: block;
  }
}

/* Mobile: vertical stacking */
@media (max-width: 899px) {
  .ke-prozess-phases {
    grid-template-columns: 1fr;
    max-width: 28rem;
    margin-inline: auto;
  }

  .ke-phase {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
    gap: 1.25rem;
    opacity: 1; /* always visible on mobile */
    transform: none;
    padding: 1.25rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 1.25rem;
    box-shadow: 0 4px 18px rgba(19,4,234,0.06);
  }

  .ke-phase.is-active {
    border-color: rgba(19,4,234,0.28);
  }

  .ke-phase-node {
    margin-bottom: 0;
    flex-shrink: 0;
    width: 3.5rem;
    height: 3.5rem;
  }
}

/* Reduced motion: show all active states immediately */
@media (prefers-reduced-motion: reduce) {
  .ke-phase {
    opacity: 1;
    transform: none;
  }

  .ke-prozess-fill {
    width: 100% !important;
    transition: none;
  }
}

/* ══════════════════════════════════════════════════════════════
   5) KENNZAHLEN - large tabular-nums with SVG accent
   ══════════════════════════════════════════════════════════════ */
.ke-kennzahlen {
  width: 100%;
  max-width: none;
  margin-inline: 0;
  padding: clamp(3.5rem, 8vw, 6rem) clamp(1.25rem, 4vw, 2.5rem);
  background: linear-gradient(135deg,
    rgba(19, 4, 234, 0.04) 0%,
    rgba(129, 55, 255, 0.04) 100%);
  border-top: 1px solid rgba(19, 4, 234, 0.08);
  border-bottom: 1px solid rgba(19, 4, 234, 0.08);
}

.ke-kz-header {
  max-width: 44rem;
  margin: 0 auto clamp(2.5rem, 5vw, 3.5rem);
  text-align: center;
}

.ke-kz-header .ke-intro {
  margin-inline: auto;
}

.ke-kz-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  width: 100%;
  max-width: none;
  margin-inline: 0;
}

.ke-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.25rem;
}

.ke-stat-value-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.1em;
  max-width: 100%;
}

.ke-stat-prefix {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.13em;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}

.ke-stat-value {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}

.ke-stat-accent {
  display: block;
  width: 80px;
  height: 12px;
  margin: 0.2rem auto;
  opacity: 0.7;
}

.ke-stat-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 0.15rem;
}

@media (max-width: 1024px) {
  .ke-kz-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .ke-kz-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  /* Smaller chips on very small screens */
  .ke-chip {
    font-size: 0.68rem;
    padding: 0.25rem 0.55rem;
  }

  .ke-intro .ke-chip {
    margin: 0.2rem 0.25rem 0.2rem 0;
  }
}

/* Tablet + desktop: keep stat values on one line */
@media (min-width: 481px) {
  .ke-stat-value-wrap {
    white-space: nowrap;
  }

  .ke-stat-prefix {
    font-size: clamp(1.35rem, 2.2vw, 2.1rem);
  }

  .ke-stat-value {
    font-size: clamp(1.55rem, 2.6vw, 2.65rem);
    letter-spacing: -0.03em;
  }
}

/* ══════════════════════════════════════════════════════════════
   6) PRINZIPIEN - editorial 2×2 with hairline dividers
   ══════════════════════════════════════════════════════════════ */
.ke-prinzipien {
  padding: clamp(3.5rem, 8vw, 6.5rem) clamp(1.25rem, 4vw, 2.5rem);
  max-width: 1100px;
  margin-inline: auto;
}

.ke-pz-header {
  max-width: 44rem;
  margin: 0 auto clamp(2.5rem, 5vw, 3.5rem);
  text-align: center;
}

.ke-pz-header .ke-intro {
  margin-inline: auto;
}

.ke-pz-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  /* Hairline dividers via box-shadow rather than borders to avoid double-borders */
  gap: 0;
  position: relative;
}

/* Hairline cross dividers */
.ke-pz-grid::before,
.ke-pz-grid::after {
  content: '';
  position: absolute;
  background: rgba(19, 4, 234, 0.12);
  pointer-events: none;
  z-index: 0;
}

.ke-pz-grid::before {
  /* Vertical hairline */
  left: 50%;
  top: 5%;
  bottom: 5%;
  width: 1px;
}

.ke-pz-grid::after {
  /* Horizontal hairline */
  top: 50%;
  left: 5%;
  right: 5%;
  height: 1px;
}

.ke-pz-cell {
  position: relative;
  z-index: 1;
  padding: clamp(1.75rem, 3.5vw, 2.5rem);
  transition: background 0.3s ease;
  border-radius: 0;
  overflow: hidden;
}

/* Hover spotlight effect */
.ke-pz-cell::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at calc(var(--mx, 50%) * 1%) calc(var(--my, 50%) * 1%),
    rgba(19, 4, 234, 0.07) 0%,
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.ke-pz-cell:hover::before {
  opacity: 1;
}

/* Round corners per quadrant */
.ke-pz-cell:nth-child(1) { border-radius: 1.5rem 0 0 0; }
.ke-pz-cell:nth-child(2) { border-radius: 0 1.5rem 0 0; }
.ke-pz-cell:nth-child(3) { border-radius: 0 0 0 1.5rem; }
.ke-pz-cell:nth-child(4) { border-radius: 0 0 1.5rem 0; }

.ke-pz-num {
  display: block;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 0.6;
  margin-bottom: 0.85rem;
}

.ke-pz-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, rgba(19,4,234,0.1), rgba(129,55,255,0.1));
  color: var(--neon-blue);
  margin-bottom: 1rem;
  transition: background 0.3s;
}

.ke-pz-cell:hover .ke-pz-icon {
  background: linear-gradient(135deg, rgba(19,4,234,0.16), rgba(129,55,255,0.16));
}

.ke-pz-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.ke-pz-title {
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 0.65rem;
  letter-spacing: -0.01em;
}

.ke-pz-text {
  font-size: clamp(0.85rem, 1.6vw, 0.95rem);
  line-height: 1.65;
  color: var(--text-muted);
  margin: 0;
}

@media (max-width: 640px) {
  .ke-pz-grid {
    grid-template-columns: 1fr;
  }

  .ke-pz-grid::before { display: none; }

  .ke-pz-grid::after {
    top: auto;
    left: 1.5rem;
    right: 1.5rem;
    height: 1px;
  }

  /* One hairline per row gap */
  .ke-pz-cell:nth-child(1) { border-radius: 1.5rem 1.5rem 0 0; }
  .ke-pz-cell:nth-child(2) { border-radius: 0; }
  .ke-pz-cell:nth-child(3) { border-radius: 0; }
  .ke-pz-cell:nth-child(4) { border-radius: 0 0 1.5rem 1.5rem; }
}

/* ══════════════════════════════════════════════════════════════
   9) KE-RELATED - KE-scoped related service cards
   ══════════════════════════════════════════════════════════════ */
.ke-related {
  padding: clamp(3.5rem, 8vw, 6.5rem) clamp(1.25rem, 4vw, 2.5rem) clamp(4rem, 10vh, 7rem);
  max-width: 1280px;
  margin-inline: auto;
}

.ke-related-header {
  max-width: 44rem;
  margin: 0 auto clamp(2rem, 4vw, 3rem);
  text-align: center;
}

.ke-related-header .ke-intro {
  margin-inline: auto;
}

.ke-related-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(0.85rem, 2vw, 1.25rem);
}

.ke-related-card:nth-child(1) { grid-column: 1 / 3; }
.ke-related-card:nth-child(2) { grid-column: 3 / 5; }
.ke-related-card:nth-child(3) { grid-column: 5 / 7; }
.ke-related-card:nth-child(4) { grid-column: 2 / 4; }
.ke-related-card:nth-child(5) { grid-column: 4 / 6; }

.ke-related-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 1.35rem;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  box-shadow: 0 6px 22px rgba(19,4,234,0.07);
  transition:
    transform var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal);
}

/* Diagonal corner accent on hover */
.ke-related-card-glow {
  position: absolute;
  top: -30%;
  right: -20%;
  width: 60%;
  height: 70%;
  background: radial-gradient(
    ellipse at center,
    rgba(129,55,255,0.14) 0%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.ke-related-card:hover .ke-related-card-glow,
.ke-related-card:focus-visible .ke-related-card-glow {
  opacity: 1;
}

.ke-related-card:hover,
.ke-related-card:focus-visible {
  transform: translateY(-6px) scale(1.01);
  border-color: rgba(129,55,255,0.35);
  box-shadow: 0 16px 44px rgba(19,4,234,0.14);
  outline: none;
}

.ke-related-tag {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 0.85rem;
  padding: 0.25rem 0.65rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--neon-purple);
  background: rgba(129,55,255,0.08);
  border: 1px solid rgba(129,55,255,0.2);
  border-radius: 999px;
}

.ke-related-card-title {
  font-size: clamp(0.85rem, 1.6vw, 0.95rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--neon-blue);
  margin: 0 0 0.6rem;
}

.ke-related-card-desc {
  font-size: clamp(0.82rem, 1.5vw, 0.88rem);
  line-height: 1.58;
  color: var(--text-muted);
  margin: 0 0 1.25rem;
  flex-grow: 1;
}

.ke-related-arrow {
  align-self: flex-end;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  color: var(--neon-purple);
  background: rgba(129,55,255,0.08);
  border-radius: 50%;
  transition:
    background var(--transition-normal),
    color var(--transition-normal),
    transform var(--transition-normal);
}

.ke-related-arrow svg {
  width: 1rem;
  height: 1rem;
}

.ke-related-card:hover .ke-related-arrow,
.ke-related-card:focus-visible .ke-related-arrow {
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  color: #fff;
  transform: translateX(3px);
}

@media (max-width: 1024px) {
  .ke-related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ke-related-card:nth-child(n) { grid-column: auto; }
}

@media (max-width: 640px) {
  .ke-related-grid {
    grid-template-columns: 1fr;
    max-width: 28rem;
    margin-inline: auto;
  }
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE OVERRIDES (1440px+)
   ══════════════════════════════════════════════════════════════ */
@media (min-width: 1440px) {
  .ke-matrix-section,
  .ke-usecases,
  .ke-stack,
  .ke-prozess,
  .ke-prinzipien,
  .ke-related {
    max-width: 1340px;
  }
}