/* ============================================================
   ANLAGE DIGITAL — ENTERPRISE DESIGN SYSTEM
   Modern Enterprise Innovation Direction
   ============================================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* ============================================================
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================================ */
:root {
  /* Brand Colors */
  --anlage-cyan: #0094D9;
  --anlage-cyan-light: #E0F4FC;
  --anlage-cyan-mid: #0079B8;
  --anlage-cyan-deep: #005C8E;
  --anlage-orange: #F16421;
  --anlage-orange-light: #FEF0E8;
  --anlage-orange-dark: #D0541A;

  /* Dark Structural */
  --dark-navy: #254872;
  --dark-navy-deep: #1A3356;
  --dark-navy-mid: #2F5A8A;
  --dark-charcoal: #1C2B3A;

  /* Light Background Palette — nuanced whites & neutrals */
  --bg-white: #FFFFFF;
  --bg-warm-white: #FAFAF8;
  --bg-cool-white: #F6F8FC;
  --bg-light-blue: #F0F5FB;
  --bg-light-cyan: #EDF9FA;
  --bg-warm-neutral: #F8F6F2;
  --bg-light-grey: #F2F4F7;

  /* Text Colors */
  --text-primary: #1A2535;
  --text-secondary: #3D5170;
  --text-muted: #6B7E99;
  --text-light: #9BADC7;
  --text-white: #FFFFFF;
  --text-white-muted: rgba(255,255,255,0.75);

  /* Borders & Dividers */
  --border-light: rgba(37, 72, 114, 0.10);
  --border-medium: rgba(37, 72, 114, 0.18);
  --border-cyan: rgba(0, 148, 217, 0.25);

  /* Typography */
  --font-display: 'Manrope', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  /* Spacing Scale */
  --space-2: 2px;
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;
  --space-48: 48px;
  --space-56: 56px;
  --space-64: 64px;
  --space-80: 80px;
  --space-96: 96px;
  --space-120: 120px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 3px rgba(37,72,114,0.07), 0 1px 2px rgba(37,72,114,0.04);
  --shadow-sm: 0 2px 8px rgba(37,72,114,0.08), 0 1px 4px rgba(37,72,114,0.05);
  --shadow-md: 0 4px 16px rgba(37,72,114,0.10), 0 2px 8px rgba(37,72,114,0.06);
  --shadow-lg: 0 8px 32px rgba(37,72,114,0.12), 0 4px 16px rgba(37,72,114,0.08);
  --shadow-xl: 0 16px 56px rgba(37,72,114,0.14), 0 8px 24px rgba(37,72,114,0.10);
  --shadow-card-hover: 0 12px 40px rgba(0, 194, 203, 0.14), 0 4px 16px rgba(37,72,114,0.10);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-reveal: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1400px;
  --nav-height: 72px;
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video, svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* ============================================================
   3. TYPOGRAPHY SCALE
   ============================================================ */
.display-xl {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.display-md {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.heading-xl {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.heading-lg {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.heading-md {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.35;
}

.heading-sm {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.4;
}

.body-lg {
  font-size: 1.125rem;
  line-height: 1.7;
  font-weight: 400;
}

.body-base {
  font-size: 1rem;
  line-height: 1.65;
}

.body-sm {
  font-size: 0.9375rem;
  line-height: 1.6;
}

.caption {
  font-size: 0.8125rem;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.overline {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ============================================================
   4. LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-24);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-32);
}

.section-pad {
  padding: var(--space-96) 0;
}

.section-pad-lg {
  padding: var(--space-120) 0;
}

.section-pad-sm {
  padding: var(--space-64) 0;
}

/* Grid helpers */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-32); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-32); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-24); }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-24); }

.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-start { display: flex; align-items: flex-start; }
.flex-col { display: flex; flex-direction: column; }
.gap-8 { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }
.gap-16 { gap: var(--space-16); }
.gap-24 { gap: var(--space-24); }
.gap-32 { gap: var(--space-32); }
.gap-48 { gap: var(--space-48); }

/* ============================================================
   5. COLOR UTILITIES
   ============================================================ */
.text-cyan { color: var(--anlage-cyan); }
.text-orange { color: var(--anlage-orange); }
.text-navy { color: var(--dark-navy); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--text-white); }
.text-secondary { color: var(--text-secondary); }

.bg-white { background: var(--bg-white); }
.bg-warm-white { background: var(--bg-warm-white); }
.bg-cool-white { background: var(--bg-cool-white); }
.bg-light-blue { background: var(--bg-light-blue); }
.bg-cyan-light { background: var(--bg-light-cyan); }
.bg-navy { background: var(--dark-navy); }
.bg-charcoal { background: var(--dark-charcoal); }

/* ============================================================
   6. SECTION LABEL / EYEBROW
   ============================================================ */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--anlage-cyan-mid);
  margin-bottom: var(--space-16);
}

.section-eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--anlage-cyan);
  border-radius: 2px;
  flex-shrink: 0;
}

.section-eyebrow.orange {
  color: var(--anlage-orange);
}
.section-eyebrow.orange::before {
  background: var(--anlage-orange);
}

.section-eyebrow.white {
  color: rgba(255,255,255,0.8);
}
.section-eyebrow.white::before {
  background: var(--anlage-cyan);
}

/* ============================================================
   7. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--anlage-orange);
  color: #fff;
  border-color: var(--anlage-orange);
}

.btn-primary:hover {
  background: var(--anlage-orange-dark);
  border-color: var(--anlage-orange-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(244, 123, 32, 0.30);
}

.btn-secondary {
  background: transparent;
  color: var(--dark-navy);
  border-color: var(--border-medium);
}

.btn-secondary:hover {
  border-color: var(--dark-navy);
  background: var(--bg-light-blue);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.8);
}

.btn-cyan {
  background: var(--anlage-cyan);
  color: #fff;
  border-color: var(--anlage-cyan);
}

.btn-cyan:hover {
  background: var(--anlage-cyan-mid);
  border-color: var(--anlage-cyan-mid);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 194, 203, 0.30);
}

.btn-ghost {
  background: transparent;
  color: var(--anlage-cyan-mid);
  border-color: transparent;
  padding-left: 0;
  padding-right: 0;
}

.btn-ghost:hover {
  color: var(--anlage-cyan);
  gap: var(--space-12);
}

.btn-sm {
  font-size: 0.875rem;
  padding: 9px 20px;
}

.btn-lg {
  font-size: 1rem;
  padding: 15px 36px;
}

/* ============================================================
   8. CARDS
   ============================================================ */
.card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  padding: var(--space-32);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-cyan);
  transform: translateY(-3px);
}

.card-sm {
  padding: var(--space-24);
  border-radius: var(--radius-md);
}

/* Card Icon Wrapper */
.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
  margin-bottom: var(--space-20);
  flex-shrink: 0;
}

.card-icon-cyan {
  background: var(--bg-light-cyan);
  color: var(--anlage-cyan-deep);
}

.card-icon-orange {
  background: var(--anlage-orange-light);
  color: var(--anlage-orange);
}

.card-icon-navy {
  background: var(--bg-light-blue);
  color: var(--dark-navy);
}

/* Metric / Stats Cards */
.metric-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  padding: var(--space-32) var(--space-24);
  text-align: center;
  transition: all var(--transition-base);
}

.metric-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-cyan);
}

.metric-card .metric-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark-navy);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: var(--space-8);
}

.metric-card .metric-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.metric-card .metric-accent {
  color: var(--anlage-cyan);
}

/* Service Feature Row */
.feature-row {
  display: flex;
  gap: var(--space-16);
  align-items: flex-start;
  padding: var(--space-20) 0;
  border-bottom: 1px solid var(--border-light);
}

.feature-row:last-child {
  border-bottom: none;
}

.feature-row .feature-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-light-cyan);
  color: var(--anlage-cyan-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ============================================================
   9. BADGE / TAG
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-display);
}

.badge-cyan {
  background: var(--bg-light-cyan);
  color: var(--anlage-cyan-deep);
  border: 1px solid var(--border-cyan);
}

.badge-orange {
  background: var(--anlage-orange-light);
  color: var(--anlage-orange-dark);
  border: 1px solid rgba(244,123,32,0.2);
}

.badge-navy {
  background: var(--bg-light-blue);
  color: var(--dark-navy);
  border: 1px solid var(--border-light);
}

/* ============================================================
   10. DIVIDERS & DECORATIVE
   ============================================================ */
.divider-cyan {
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--anlage-cyan), var(--anlage-cyan-deep));
  border-radius: 2px;
  margin: var(--space-20) 0;
}

.divider-orange {
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--anlage-orange), var(--anlage-orange-dark));
  border-radius: 2px;
  margin: var(--space-20) 0;
}

/* ============================================================
   11. ICON GRID (Capability / Platform Logos)
   ============================================================ */
.icon-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-12);
}

.icon-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  padding: 8px 16px;
  background: var(--bg-cool-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.icon-chip:hover {
  border-color: var(--anlage-cyan);
  color: var(--anlage-cyan-mid);
  background: var(--bg-light-cyan);
}

/* ============================================================
   12. SECTION HEADERS
   ============================================================ */
.section-header {
  margin-bottom: var(--space-56);
}

.section-header.centered {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-56);
}

.section-header.white .section-header-title {
  color: var(--text-white);
}

.section-header.white .section-header-desc {
  color: var(--text-white-muted);
}

.section-header-title {
  color: var(--text-primary);
  margin-bottom: var(--space-16);
}

.section-header-desc {
  color: var(--text-muted);
  max-width: 600px;
  font-size: 1.0625rem;
  line-height: 1.7;
}

.section-header.centered .section-header-desc {
  margin: 0 auto;
}

/* ============================================================
   13. PROOF / STATS BAND (Dark)
   ============================================================ */
.stats-band {
  background: var(--dark-navy);
  padding: var(--space-64) 0;
  position: relative;
  overflow: hidden;
}

.stats-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,194,203,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.stats-band .stat-item {
  text-align: center;
  padding: 0 var(--space-24);
}

.stats-band .stat-value {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--space-8);
}

.stats-band .stat-accent {
  color: var(--anlage-cyan);
}

.stats-band .stat-label {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
  max-width: 140px;
  margin: 0 auto;
  line-height: 1.4;
}

.stats-band .stat-divider {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.1);
}

/* ============================================================
   14. TICKER BAND
   ============================================================ */
.ticker-band {
  background: var(--dark-charcoal);
  padding: 12px 0;
  overflow: hidden;
  position: relative;
}

.ticker-track {
  display: flex;
  align-items: center;
  gap: 0;
  animation: ticker-scroll 40s linear infinite;
  white-space: nowrap;
}

.ticker-track:hover {
  animation-play-state: paused;
}

@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-12);
  padding: 0 var(--space-40);
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: var(--font-display);
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ticker-item .ticker-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--anlage-cyan);
  flex-shrink: 0;
}

/* ============================================================
   15. ARCHITECTURE DIAGRAM CARDS
   ============================================================ */
.arch-diagram {
  background: var(--bg-cool-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  position: relative;
  overflow: hidden;
}

.arch-diagram::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--anlage-cyan), var(--anlage-orange));
}

.arch-layer {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-16) var(--space-20);
  margin-bottom: var(--space-12);
  display: flex;
  align-items: center;
  gap: var(--space-12);
  transition: all var(--transition-fast);
}

.arch-layer:hover {
  border-color: var(--anlage-cyan);
  box-shadow: var(--shadow-sm);
}

.arch-layer:last-child {
  margin-bottom: 0;
}

.arch-layer-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--bg-light-cyan);
  color: var(--anlage-cyan-deep);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ============================================================
   16. CASE STUDY CARD
   ============================================================ */
.cs-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.cs-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-cyan);
  transform: translateY(-4px);
}

.cs-card-image {
  height: 180px;
  background: var(--bg-light-blue);
  position: relative;
  overflow: hidden;
}

.cs-card-image-inner {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cs-card-body {
  padding: var(--space-24);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.cs-card-meta {
  display: flex;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.cs-card-title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-12);
  line-height: 1.35;
}

.cs-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: var(--space-20);
}

.cs-card-stat {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--anlage-cyan-mid);
  margin-bottom: var(--space-4);
}

.cs-card-stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ============================================================
   17. WHY ANLAGE SECTION (Dark)
   ============================================================ */
.why-anlage {
  background: var(--dark-charcoal);
  position: relative;
  overflow: hidden;
}

.why-anlage::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(ellipse, rgba(0,194,203,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.why-item {
  display: flex;
  gap: var(--space-16);
  align-items: flex-start;
  padding: var(--space-24);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.why-item:hover {
  background: rgba(0,194,203,0.06);
}

.why-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(0,194,203,0.12);
  color: var(--anlage-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.why-item-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: var(--space-8);
}

.why-item-desc {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

/* ============================================================
   18. NAVIGATION
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-base);
}

.site-nav.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  height: 100%;
  padding-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-32);
}

.nav-logo img {
  height: 36px;
  width: auto;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--dark-navy);
  letter-spacing: -0.02em;
}

.nav-logo-text span {
  color: var(--anlage-cyan);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  justify-content: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--dark-navy);
  background: var(--bg-light-blue);
}

.nav-link .nav-chevron {
  font-size: 0.625rem;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-chevron {
  transform: rotate(180deg);
}

/* Mega Menu */
.mega-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 520px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-24);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  transform: translateX(-50%) translateY(8px);
  z-index: 100;
}

.nav-item:hover .mega-menu {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.mega-menu-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.mega-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-12);
  padding: var(--space-12);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.mega-item:hover {
  background: var(--bg-cool-white);
}

.mega-item-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  background: var(--bg-light-cyan);
  color: var(--anlage-cyan-mid);
  flex-shrink: 0;
}

.mega-item-title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.mega-item-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.mega-menu-footer {
  margin-top: var(--space-16);
  padding-top: var(--space-16);
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Nav CTA */
.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-12);
}

/* Mobile menu */
.nav-mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  background: var(--bg-light-blue);
  color: var(--dark-navy);
  font-size: 1.125rem;
  cursor: pointer;
}

/* ============================================================
   19. FOOTER
   ============================================================ */
.site-footer {
  background: var(--dark-charcoal);
  color: rgba(255,255,255,0.7);
  padding: var(--space-80) 0 var(--space-32);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--anlage-cyan), var(--anlage-orange), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--space-48);
  margin-bottom: var(--space-64);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: var(--space-16);
  max-width: 280px;
  color: rgba(255,255,255,0.55);
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-20);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.footer-link {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--anlage-cyan);
}

.footer-bottom {
  padding-top: var(--space-32);
  border-top: 1px solid rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-16);
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.35);
}

.footer-social {
  display: flex;
  gap: var(--space-12);
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  border-color: var(--anlage-cyan);
  color: var(--anlage-cyan);
  background: rgba(0,194,203,0.1);
}

/* ============================================================
   20. ANIMATIONS / REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--transition-reveal), transform 0.6s var(--transition-reveal);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================================
   21. PAGE HERO VARIANTS
   ============================================================ */
.page-hero {
  padding: calc(var(--nav-height) + var(--space-80)) 0 var(--space-80);
  position: relative;
  overflow: hidden;
}

.page-hero-light {
  background: var(--bg-cool-white);
}

.page-hero-pattern {
  background: var(--bg-cool-white);
  background-image:
    radial-gradient(circle at 25% 50%, rgba(0,194,203,0.06) 0%, transparent 50%),
    radial-gradient(circle at 75% 30%, rgba(37,72,114,0.04) 0%, transparent 50%);
}

.page-hero-gradient {
  background: linear-gradient(135deg, var(--bg-light-blue) 0%, var(--bg-cool-white) 50%, var(--bg-light-cyan) 100%);
}

/* ============================================================
   22. RESPONSIVE BREAKPOINTS
   ============================================================ */
@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; gap: var(--space-32); }
}

@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .nav-menu { display: none; }
  .nav-mobile-toggle { display: flex; }
  .nav-cta .btn-secondary { display: none; }
}

@media (max-width: 768px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .section-pad { padding: var(--space-64) 0; }
  .section-pad-lg { padding: var(--space-80) 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .container { padding: 0 var(--space-16); }
  .stats-band .stat-value { font-size: 2rem; }
}

@media (max-width: 480px) {
  .grid-5 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   23. PLATFORM/TECH LOGO BAND
   ============================================================ */
.platform-band {
  padding: var(--space-48) 0;
  background: var(--bg-warm-white);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.platform-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-40);
  flex-wrap: wrap;
}

.platform-logo {
  opacity: 0.55;
  filter: grayscale(1);
  transition: all var(--transition-base);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-secondary);
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-sm);
}

.platform-logo:hover {
  opacity: 1;
  filter: none;
  color: var(--dark-navy);
}

/* ============================================================
   24. CTA BLOCK (Sticky)
   ============================================================ */
.cta-block {
  background: linear-gradient(135deg, var(--dark-navy) 0%, var(--dark-charcoal) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-64) var(--space-56);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,194,203,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-block::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--anlage-cyan), transparent);
}

.cta-block-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: -0.025em;
  margin-bottom: var(--space-16);
}

.cta-block-desc {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.65);
  max-width: 520px;
  margin: 0 auto var(--space-40);
  line-height: 1.7;
}

/* ============================================================
   25. TAG / FILTER ROW
   ============================================================ */
.filter-bar {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
  margin-bottom: var(--space-48);
}

.filter-btn {
  padding: 8px 20px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border-medium);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-white);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--dark-navy);
  border-color: var(--dark-navy);
  color: var(--text-white);
}

/* ============================================================
   26. BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: var(--space-24);
}

.breadcrumb a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--anlage-cyan-mid);
}

.breadcrumb-sep {
  font-size: 0.6875rem;
  opacity: 0.5;
}

/* ============================================================
   27. PROGRESS / STEP INDICATOR
   ============================================================ */
.step-flow {
  display: flex;
  gap: 0;
  position: relative;
}

.step-flow::before {
  content: '';
  position: absolute;
  top: 22px;
  left: 22px;
  right: 22px;
  height: 2px;
  background: var(--border-light);
  z-index: 0;
}

.step-item {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-white);
  border: 2px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-muted);
  margin: 0 auto var(--space-16);
  transition: all var(--transition-base);
}

.step-item.active .step-num {
  background: var(--dark-navy);
  border-color: var(--dark-navy);
  color: var(--text-white);
}

.step-label {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.3;
}

/* ============================================================
   28. MOBILE NAV OVERLAY
   ============================================================ */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--bg-white);
  padding: var(--space-24);
  overflow-y: auto;
}

.mobile-nav.open {
  display: block;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-32);
  padding-bottom: var(--space-24);
  border-bottom: 1px solid var(--border-light);
}

.mobile-nav-close {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-light-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark-navy);
  font-size: 1.125rem;
  cursor: pointer;
}

.mobile-nav-section {
  margin-bottom: var(--space-32);
}

.mobile-nav-section-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-12);
}

.mobile-nav-link {
  display: block;
  padding: var(--space-12) var(--space-16);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  margin-bottom: var(--space-4);
}

.mobile-nav-link:hover {
  background: var(--bg-light-blue);
  color: var(--dark-navy);
}

.mobile-nav-sublink {
  display: block;
  padding: var(--space-8) var(--space-16);
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.mobile-nav-sublink:hover {
  color: var(--anlage-cyan-mid);
}