/* =====================================================
   SmartFlow v2 - Design System
   Flow State: Kinetic Minimalism
   ===================================================== */

/* =====================================================
   CSS Custom Properties (Design Tokens)
   ===================================================== */
:root {
  /* Colors - Light Mode */
  --color-primary: #00D9FF;
  --color-primary-dark: #00B8D9;
  --color-secondary: #0051FF;
  --color-accent: #BFFF00;
  --color-success: #00FF88;
  --color-warning: #FFB800;
  --color-error: #FF4757;

  /* Neutrals */
  --color-bg: #FAFBFC;
  --color-bg-alt: #F0F2F5;
  --color-surface: #FFFFFF;
  --color-surface-elevated: #FFFFFF;
  --color-text: #1A1A2E;
  --color-text-secondary: #4A4A68;
  --color-text-muted: #8888A0;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-strong: rgba(0, 0, 0, 0.15);

  /* Brand */
  --color-brand-dark: #1E3A5F;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-success) 100%);
  --gradient-mesh: radial-gradient(ellipse at 20% 30%, rgba(0, 217, 255, 0.15) 0%, transparent 50%),
                   radial-gradient(ellipse at 80% 70%, rgba(0, 81, 255, 0.1) 0%, transparent 50%),
                   radial-gradient(ellipse at 50% 50%, rgba(191, 255, 0, 0.05) 0%, transparent 40%);

  /* Typography */
  --font-heading: 'Space Mono', monospace;
  --font-body: 'Manrope', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  --text-6xl: 4.5rem;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --space-3xl: 8rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 40px rgba(0, 217, 255, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 600ms ease;
  --transition-bounce: 600ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-Index */
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-tooltip: 400;

  /* Layout */
  --container-max: 1200px;
  --header-height: 72px;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-bg: #0A0E14;
  --color-bg-alt: #12171F;
  --color-surface: #1A2030;
  --color-surface-elevated: #242D3D;
  --color-text: #F0F2F5;
  --color-text-secondary: #B8BCC8;
  --color-text-muted: #6B7280;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.15);
  --gradient-mesh: radial-gradient(ellipse at 20% 30%, rgba(0, 217, 255, 0.1) 0%, transparent 50%),
                   radial-gradient(ellipse at 80% 70%, rgba(0, 81, 255, 0.08) 0%, transparent 50%),
                   radial-gradient(ellipse at 50% 50%, rgba(191, 255, 0, 0.03) 0%, transparent 40%);
}

/* =====================================================
   CSS Reset & Base
   ===================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

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

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

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

ul, ol {
  list-style: none;
}

/* =====================================================
   Background Effects
   ===================================================== */
.bg-effects {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.gradient-mesh {
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh);
  opacity: 0.8;
  animation: meshFloat 20s ease-in-out infinite;
  will-change: transform;
}

@keyframes meshFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(2%, 3%) scale(1.02); }
  50% { transform: translate(-1%, 2%) scale(0.98); }
  75% { transform: translate(1%, -2%) scale(1.01); }
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.5;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, transparent 60%);
}

.grain-overlay {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.03;
  mix-blend-mode: overlay;
}

/* =====================================================
   Typography Utilities
   ===================================================== */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
}

/* =====================================================
   Layout
   ===================================================== */
.section-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header .section-subtitle {
  margin: 0 auto;
}

/* =====================================================
   Header & Navigation
   ===================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(250, 251, 252, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-normal);
}

[data-theme="dark"] .header {
  background: rgba(10, 14, 20, 0.85);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-lg);
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.icon-sun,
.icon-moon {
  transition: var(--transition-fast);
}

[data-theme="dark"] .icon-sun {
  display: none;
}

[data-theme="light"] .icon-moon,
:root:not([data-theme]) .icon-moon {
  display: none;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.75rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.lang-toggle:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.lang-current {
  color: var(--color-primary);
  font-weight: 700;
}

.lang-separator {
  opacity: 0.5;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-lg);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-nav-link {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .mobile-menu:not([hidden]) {
    display: block;
  }
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: #000;
  will-change: transform;
}

.btn-primary:hover {
  background: #D4FF33;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
}

.btn-secondary:hover {
  background: var(--color-border);
  border-color: var(--color-text-muted);
}

.btn-large {
  padding: 18px 36px;
  font-size: var(--text-base);
}

.btn-full {
  width: 100%;
}

/* =====================================================
   Hero Section
   ===================================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  position: relative;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-border);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 520px;
}

.hero-cta {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  height: 500px;
}

#particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: var(--text-4xl);
  }
}

/* =====================================================
   Trust Bar / Marquee
   ===================================================== */
.trust-bar {
  padding: var(--space-lg) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.marquee-container {
  width: 100%;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  animation: marquee 30s linear infinite;
}

.marquee-content {
  display: flex;
  gap: var(--space-2xl);
  flex-shrink: 0;
  padding-right: var(--space-2xl);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.trust-item svg {
  color: var(--color-primary);
}

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

@media (max-width: 768px) {
  .marquee-track {
    animation-duration: 15s;
  }
}

/* =====================================================
   Branchen Section
   ===================================================== */
.branchen-section {
  padding: var(--space-3xl) 0;
}

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

.branche-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  will-change: transform;
}

.branche-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-fast);
}

.branche-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.branche-card:hover::before {
  opacity: 1;
}

.branche-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.branche-content h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.branche-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.branche-challenges,
.branche-solutions {
  margin-bottom: var(--space-md);
}

.branche-challenges h4,
.branche-solutions h4 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.branche-challenges ul,
.branche-solutions ul {
  padding-left: var(--space-md);
}

.branche-challenges li,
.branche-solutions li {
  position: relative;
  padding-left: var(--space-sm);
  margin-bottom: 4px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.branche-challenges li::before,
.branche-solutions li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 50%;
}

.branche-metrics {
  display: flex;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.branche-metrics .metric {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.branche-metrics .metric strong {
  color: var(--color-primary);
  font-weight: 700;
}

@media (max-width: 1024px) {
  .branchen-grid {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   Services Section
   ===================================================== */
.services-section {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: var(--transition-normal);
  position: relative;
  will-change: transform;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card-featured {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.05) 0%, rgba(0, 81, 255, 0.05) 100%);
}

.service-number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-border-strong);
  margin-bottom: var(--space-md);
}

.service-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  color: white;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.service-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.service-features {
  padding-left: var(--space-md);
}

.service-features li {
  position: relative;
  padding-left: var(--space-sm);
  margin-bottom: 6px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 50%;
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   Process Section
   ===================================================== */
.process-section {
  padding: var(--space-3xl) 0;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  gap: var(--space-lg);
  opacity: 1;
  transform: translateY(0);
  transition: var(--transition-slow);
}

.process-step.visible {
  opacity: 1;
  transform: translateY(0);
}

.step-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.step-number {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: white;
}

.step-line {
  width: 2px;
  flex-grow: 1;
  min-height: 40px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-border));
  margin-top: var(--space-sm);
}

.step-content h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.step-content p {
  color: var(--color-text-secondary);
}

.step-keyword {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
  opacity: 0.85;
}

@media (max-width: 768px) {
  .process-step {
    gap: var(--space-md);
  }

  .step-number {
    width: 48px;
    height: 48px;
    font-size: var(--text-base);
  }
}

/* =====================================================
   Results Section
   ===================================================== */
.results-section {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-alt);
}

.metrics-hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.metric-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: var(--transition-normal);
}

.metric-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.metric-card-hero {
  padding: var(--space-xl) var(--space-lg);
}

.metric-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  color: var(--color-primary);
}

.metric-gauge {
  position: relative;
  width: 160px;
  height: 160px;
  margin: 0 auto var(--space-md);
}

.radial-progress {
  transform: rotate(-90deg);
}

.gauge-bg {
  stroke: var(--color-border);
}

.gauge-fill {
  transition: stroke-dashoffset 1.5s ease-out;
}

.gauge-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.gauge-number {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
}

.gauge-unit {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}

.metric-card h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.metric-context {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.metrics-detail-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.metric-card-detail {
  padding: var(--space-lg);
}

.metric-value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: var(--space-xs);
}

.value-number {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-primary);
}

.value-unit {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

.metric-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 1024px) {
  .metrics-hero-grid {
    grid-template-columns: 1fr;
  }

  .metrics-detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .metrics-detail-grid {
    grid-template-columns: 1fr;
  }
}

/* Benchmark Section */
.benchmark-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.benchmark-section h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.benchmark-item {
  margin-bottom: var(--space-md);
}

.benchmark-item:last-child {
  margin-bottom: 0;
}

.benchmark-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xs);
}

.label-text {
  font-weight: 600;
  font-size: var(--text-sm);
}

.label-value {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
}

.benchmark-bar {
  height: 8px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1s ease-out;
}

.bar-fill-accent {
  background: var(--gradient-accent);
}

/* Case Studies */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.case-studies-title {
  grid-column: 1 / -1;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-md);
}

.case-study-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: var(--transition-normal);
}

.case-study-card:hover {
  border-color: var(--color-primary);
}

.case-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.case-industry {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
}

.expand-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
}

.expand-btn:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.expand-btn svg {
  transition: var(--transition-fast);
}

.case-study-card[data-expanded="true"] .expand-btn svg {
  transform: rotate(45deg);
}

.case-study-card h4 {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.case-metrics-preview {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.preview-metric {
  padding: 4px 10px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.case-details {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.case-details p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.case-details p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .case-studies-grid {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   About Section
   ===================================================== */
.about-section {
  padding: var(--space-3xl) 0;
}

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

.about-text {
  max-width: 500px;
}

.about-intro {
  font-size: var(--text-xl);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.about-text p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.values-grid {
  display: grid;
  gap: var(--space-md);
}

.value-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: var(--transition-normal);
}

.value-card:hover {
  border-color: var(--color-primary);
  transform: translateX(8px);
}

.value-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.value-card h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.value-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   FAQ Section
   ===================================================== */
.faq-section {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-alt);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--color-primary);
}

.faq-item[open] {
  border-color: var(--color-primary);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  cursor: pointer;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question span {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
}

.faq-icon {
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: var(--transition-fast);
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  padding: 0 var(--space-lg) var(--space-lg);
}

.faq-answer p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* =====================================================
   CTA Section
   ===================================================== */
.cta-section {
  padding: var(--space-3xl) 0;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.1) 0%, transparent 50%);
}

.cta-content {
  position: relative;
  text-align: center;
  color: white;
}

.cta-content h2 {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.cta-content p {
  font-size: var(--text-lg);
  opacity: 0.9;
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn-primary {
  background: white;
  color: var(--color-secondary);
}

.cta-section .btn-primary:hover {
  background: var(--color-accent);
  color: #000;
}

/* =====================================================
   Contact Section
   ===================================================== */
.contact-section {
  padding: var(--space-3xl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-2xl);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 14px 16px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: var(--transition-fast);
}

.contact-card:hover {
  border-color: var(--color-primary);
}

.contact-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-details h4 {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-details a,
.contact-details p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.contact-details a:hover {
  color: var(--color-primary);
}

@media (max-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .contact-form {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.footer-brand .logo {
  margin-bottom: var(--space-md);
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  max-width: 280px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.footer-nav-group h4 {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.footer-nav-group ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-nav-group a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
}

.footer-nav-group a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-bottom p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 1024px) {
  .footer-main {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .footer-nav {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* =====================================================
   Animations & Effects
   ===================================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .marquee-track {
    animation: none;
  }
}

/* =====================================================
   Utility Classes
   ===================================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hidden {
  display: none !important;
}

/* =====================================================
   Legal Pages (Impressum, Datenschutz, AGB)
   ===================================================== */
.legal-page {
  min-height: calc(100vh - var(--header-height) - 200px);
  padding: calc(var(--header-height) + var(--space-2xl)) var(--space-md) var(--space-2xl);
}

.legal-container {
  max-width: 800px;
  margin: 0 auto;
}

.legal-page h1 {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.legal-meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.legal-content {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.legal-content h2 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.legal-content h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.legal-content h4 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-md);
  margin-bottom: var(--space-xs);
}

.legal-content p {
  margin-bottom: var(--space-md);
}

.legal-content ul,
.legal-content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.legal-content li {
  margin-bottom: var(--space-xs);
}

.legal-content a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.legal-content a:hover {
  color: var(--color-secondary);
}

.legal-content address {
  font-style: normal;
  margin-bottom: var(--space-md);
}

.legal-section {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.legal-section:last-child {
  border-bottom: none;
}

/* Legal Page Navigation */
.nav-legal {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-back:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: rgba(0, 217, 255, 0.05);
}

.btn-back svg {
  width: 16px;
  height: 16px;
}

/* Responsive Legal Pages */
@media (max-width: 768px) {
  .legal-page {
    padding: calc(var(--header-height) + var(--space-lg)) var(--space-sm) var(--space-lg);
  }

  .legal-page h1 {
    font-size: var(--text-3xl);
  }

  .legal-content h2 {
    font-size: var(--text-xl);
  }

  .legal-content h3 {
    font-size: var(--text-lg);
  }
}

/* =====================================================
   Reduced Motion
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
  .gradient-mesh {
    animation: none;
  }

  .marquee-track {
    animation-duration: 60s;
  }

  * {
    transition-duration: 0.01ms !important;
  }
}