/* ========================================================================
   Freytag Systems GmbH — Design System
   ======================================================================== */

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

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-bg-primary: #0a0e1a;
  --color-bg-secondary: #0f1425;
  --color-bg-tertiary: #141a2e;
  --color-bg-card: rgba(20, 26, 46, 0.7);
  --color-bg-glass: rgba(20, 30, 60, 0.45);
  --color-bg-glass-hover: rgba(30, 45, 80, 0.55);
  --color-surface: #1a2140;

  --color-accent-primary: #00b4d8;
  --color-accent-secondary: #0077b6;
  --color-accent-tertiary: #90e0ef;
  --color-accent-glow: rgba(0, 180, 216, 0.3);
  --color-accent-glow-strong: rgba(0, 180, 216, 0.5);
  --color-gradient-start: #00b4d8;
  --color-gradient-end: #0077b6;
  --color-gradient-alt-end: #023e8a;

  --color-text-primary: #e8edf5;
  --color-text-secondary: #a0aec0;
  --color-text-muted: #6b7a90;
  --color-text-accent: #00b4d8;

  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-accent: rgba(0, 180, 216, 0.25);
  --color-border-hover: rgba(0, 180, 216, 0.45);

  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Typography */
  --font-heading: 'Barlow Semi Condensed', 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --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: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 16px 50px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(0, 180, 216, 0.15);
  --shadow-glow-strong: 0 0 50px rgba(0, 180, 216, 0.25);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --nav-height: 80px;
}

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

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-tertiary);
}

ul, ol {
  list-style: none;
}

/* --- Background Decoration --- */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(0, 119, 182, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 100%, rgba(0, 180, 216, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(2, 62, 138, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

h1 { font-size: var(--text-5xl); margin-bottom: var(--space-6); }
h2 { font-size: var(--text-4xl); margin-bottom: var(--space-5); }
h3 { font-size: var(--text-2xl); margin-bottom: var(--space-4); }
h4 { font-size: var(--text-xl); margin-bottom: var(--space-3); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

.text-accent {
  color: var(--color-accent-primary);
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-accent-tertiary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Layout Containers --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  position: relative;
  z-index: 1;
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--space-24) 0;
  position: relative;
}

.section--alt {
  background: var(--color-bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: var(--text-lg);
}

.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent-primary);
  margin-bottom: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: rgba(0, 180, 216, 0.08);
  border: 1px solid rgba(0, 180, 216, 0.2);
  border-radius: var(--radius-full);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base), backdrop-filter var(--transition-base);
}

.nav.scrolled {
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 var(--color-border), var(--shadow-md);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.nav__logo img {
  height: 36px;
  width: auto;
  transition: opacity var(--transition-fast);
}

.nav__logo:hover img {
  opacity: 0.85;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__link {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-accent-primary);
  background: rgba(0, 180, 216, 0.06);
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-accent-primary);
  border-radius: var(--radius-full);
}

/* Mobile Nav Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 1001;
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: transform var(--transition-base), opacity var(--transition-fast);
  border-radius: 2px;
}

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__bg::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0, 180, 216, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse-glow 8s ease-in-out infinite;
}

.hero__bg::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 119, 182, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse-glow 10s ease-in-out infinite reverse;
}

@keyframes pulse-glow {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.7; }
}

.hero__content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero__text {
  max-width: 560px;
}

.hero__logo {
  height: 48px;
  margin-bottom: var(--space-8);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards 0.2s;
}

.hero__title {
  font-size: var(--text-6xl);
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: var(--space-6);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards 0.4s;
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-10);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards 0.6s;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards 0.8s;
}

.hero__image {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero__image img {
  max-width: 520px;
  width: 100%;
  filter: drop-shadow(0 20px 60px rgba(0, 180, 216, 0.15));
  opacity: 0;
  animation: fadeInScale 1s ease forwards 0.6s;
}

.hero__image::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 180, 216, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  z-index: -1;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-base);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 180, 216, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 180, 216, 0.4);
  color: #fff;
}

.btn--primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn--primary:hover::after {
  opacity: 1;
}

.btn--outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.btn--outline:hover {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
  background: rgba(0, 180, 216, 0.06);
  transform: translateY(-2px);
}

.btn--sm {
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-6);
}

/* --- Glass Card --- */
.glass-card {
  background: var(--color-bg-glass);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
}

.glass-card:hover {
  background: var(--color-bg-glass-hover);
  border-color: var(--color-border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

/* --- Service Cards Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.service-card {
  text-align: center;
  padding: var(--space-10) var(--space-8);
}

.service-card__icon {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto var(--space-6);
  overflow: hidden;
  border: 2px solid var(--color-border-accent);
  box-shadow: var(--shadow-glow);
  transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
  border-color: var(--color-accent-primary);
  box-shadow: var(--shadow-glow-strong);
  transform: scale(1.05);
}

.service-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.service-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- About / Team Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about__image {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xl);
  position: relative;
}

.about__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.05), transparent);
  pointer-events: none;
}

.about__image img {
  width: 100%;
  height: auto;
  display: block;
}

.about__text h2 {
  margin-bottom: var(--space-6);
}

.about__text p {
  margin-bottom: var(--space-5);
}

/* Team Members */
.team-list {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.team-member {
  padding: var(--space-6);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.team-member__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.team-member__role {
  font-size: var(--text-sm);
  color: var(--color-accent-primary);
  margin-bottom: var(--space-3);
}

.team-member__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* --- Product Section --- */
.product-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.product-info__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-success);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.product-info__badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.product-features {
  margin: var(--space-8) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.product-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.product-feature:hover {
  border-color: var(--color-border-accent);
  background: var(--color-bg-glass-hover);
}

.product-feature__icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.15), rgba(0, 119, 182, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
}

.product-feature__text h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.product-feature__text p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.product-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.product-visual__card {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  text-align: center;
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.product-visual__card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(0, 180, 216, 0.05), transparent, rgba(0, 119, 182, 0.05), transparent);
  animation: rotate-bg 15s linear infinite;
}

@keyframes rotate-bg {
  to { transform: rotate(360deg); }
}

.product-visual__logo {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
  position: relative;
}

.product-visual__tagline {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  position: relative;
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.12), rgba(0, 119, 182, 0.12));
  border: 1px solid var(--color-border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
}

.contact-info__label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.contact-info__value {
  color: var(--color-text-primary);
  font-size: var(--text-base);
}

.contact-info__value a {
  color: var(--color-accent-primary);
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
  outline: none;
  backdrop-filter: blur(10px);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.1);
}

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

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-16) 0 var(--space-8);
  position: relative;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand img {
  height: 32px;
  margin-bottom: var(--space-4);
}

.footer__brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 280px;
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-accent-primary);
  padding-left: 4px;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

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

.footer__legal {
  display: flex;
  gap: var(--space-6);
}

.footer__legal a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer__legal a:hover {
  color: var(--color-accent-primary);
}

/* --- Page Header (Subpages) --- */
.page-header {
  padding: calc(var(--nav-height) + var(--space-20)) 0 var(--space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0, 180, 216, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.page-header h1 {
  position: relative;
}

.page-header p {
  position: relative;
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Legal Pages (Impressum, Datenschutz) --- */
.legal-content {
  padding: var(--space-16) 0 var(--space-24);
}

.legal-content h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.legal-content h2:first-child {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}

.legal-content h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

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

.legal-content ul {
  margin: var(--space-4) 0 var(--space-6);
  padding-left: var(--space-6);
}

.legal-content ul li {
  position: relative;
  padding-left: var(--space-5);
  margin-bottom: var(--space-2);
}

.legal-content ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--color-accent-primary);
  font-weight: 700;
}

.legal-content a {
  color: var(--color-accent-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-card {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin: var(--space-8) 0;
  backdrop-filter: blur(10px);
}

/* --- Services Detail Page --- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  margin-bottom: var(--space-20);
}

.service-detail:nth-child(even) {
  direction: rtl;
}

.service-detail:nth-child(even) > * {
  direction: ltr;
}

.service-detail__image {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.service-detail__image img {
  width: 100%;
  height: auto;
}

.service-detail__content h3 {
  font-size: var(--text-3xl);
}

.service-detail__list {
  margin-top: var(--space-6);
}

.service-detail__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  color: var(--color-text-secondary);
  font-size: var(--text-base);
}

.service-detail__list li::before {
  content: '✓';
  color: var(--color-accent-primary);
  font-weight: 700;
  min-width: 20px;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-surface));
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-2xl);
  padding: var(--space-16) var(--space-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 180, 216, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-banner h2 {
  position: relative;
  margin-bottom: var(--space-4);
}

.cta-banner p {
  position: relative;
  font-size: var(--text-lg);
  max-width: 500px;
  margin: 0 auto var(--space-8);
}

.cta-banner .btn {
  position: relative;
}

/* --- Map Placeholder --- */
.map-placeholder {
  width: 100%;
  height: 350px;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-12);
  overflow: hidden;
  position: relative;
}

.map-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px),
    linear-gradient(var(--color-border) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.3;
}

.map-placeholder__icon {
  font-size: 48px;
  position: relative;
}

.map-placeholder__text {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  position: relative;
}

.map-placeholder__sub {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  position: relative;
}

/* --- Stats Row --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  margin: var(--space-16) 0;
}

.stat-item {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.stat-item:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-2px);
}

.stat-item__number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-accent-primary);
  display: block;
  margin-bottom: var(--space-2);
}

.stat-item__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --- Certifications / Badges --- */
.cert-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent-primary);
  background: rgba(0, 180, 216, 0.08);
  border: 1px solid rgba(0, 180, 216, 0.15);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

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

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Scroll-triggered fade-in */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  :root {
    --text-6xl: 2.75rem;
    --text-5xl: 2.25rem;
    --text-4xl: 1.875rem;
  }

  .hero__content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__text {
    max-width: 100%;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__image {
    order: -1;
  }

  .hero__image img {
    max-width: 380px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .about-grid,
  .product-showcase,
  .contact-grid,
  .service-detail {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .service-detail:nth-child(even) {
    direction: ltr;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

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

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
    --text-6xl: 2.25rem;
    --text-5xl: 2rem;
    --text-4xl: 1.5rem;
    --text-3xl: 1.375rem;
  }

  .section {
    padding: var(--space-16) 0;
  }

  .container {
    padding: 0 var(--space-5);
  }

  /* Mobile Nav */
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 14, 26, 0.97);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--nav-height) + var(--space-8)) var(--space-8) var(--space-8);
    gap: var(--space-2);
    transition: right var(--transition-slow);
    border-left: 1px solid var(--color-border);
  }

  .nav__links.open {
    right: 0;
  }

  .nav__link {
    font-size: var(--text-base);
    width: 100%;
    padding: var(--space-3) var(--space-4);
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--space-12));
    padding-bottom: var(--space-12);
  }

  .hero__image img {
    max-width: 280px;
  }

  .hero__logo {
    height: 36px;
  }

  .glass-card {
    padding: var(--space-6);
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .stats-row {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }

  .stat-item {
    padding: var(--space-6);
  }

  .page-header {
    padding: calc(var(--nav-height) + var(--space-12)) 0 var(--space-10);
  }

  .cta-banner {
    padding: var(--space-10) var(--space-6);
  }
}

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

  .cert-grid {
    justify-content: center;
  }
}

/* --- Form (BEM) --- */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form__label {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form__input {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
  outline: none;
  backdrop-filter: blur(10px);
  width: 100%;
}

.form__input:focus {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.1);
}

.form__input::placeholder {
  color: var(--color-text-muted);
}

.form__textarea {
  resize: vertical;
  min-height: 140px;
}

select.form__input {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a0aec0' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-5) center;
  padding-right: var(--space-12);
}

.form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.form__checkbox input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-glass);
  cursor: pointer;
  margin-top: 2px;
  transition: all var(--transition-fast);
}

.form__checkbox input[type="checkbox"]:checked {
  background: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
}

.form__checkbox input[type="checkbox"]:checked::after {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  width: 100%;
  height: 100%;
}

.form__checkbox a {
  color: var(--color-accent-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- Contact Detail --- */
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.contact-detail:last-child {
  margin-bottom: 0;
}

.contact-detail__icon {
  font-size: var(--text-xl);
  min-width: 28px;
  padding-top: 2px;
}

.contact-detail a {
  color: var(--color-accent-primary);
}

.contact-detail strong {
  color: var(--color-text-primary);
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Utility Classes --- */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}