/* Zukunftdigital - Digitale Zukunft Styles */

/* Root Variables - Modern Tech Color Palette */
:root {
  /* Primary Colors - Tech Blue & Electric */
  --primary-color: #00d4ff;
  --primary-dark: #0099cc;
  --primary-light: #33ddff;
  
  /* Secondary Colors - Digital Purple */
  --secondary-color: #6366f1;
  --secondary-dark: #4f46e5;
  --secondary-light: #818cf8;
  
  /* Accent Colors - Neon Green */
  --accent-color: #10b981;
  --accent-dark: #059669;
  --accent-light: #34d399;
  
  /* Background Colors */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  
  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  /* Gradient Colors */
  --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #6366f1 100%);
  --gradient-secondary: linear-gradient(135deg, #10b981 0%, #00d4ff 100%);
  --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  
  /* Shadow Colors */
  --shadow-primary: 0 10px 25px rgba(0, 212, 255, 0.15);
  --shadow-secondary: 0 10px 25px rgba(99, 102, 241, 0.15);
  --shadow-dark: 0 10px 25px rgba(0, 0, 0, 0.3);
  
  /* Border Colors */
  --border-primary: rgba(0, 212, 255, 0.2);
  --border-secondary: rgba(99, 102, 241, 0.2);
  
  /* Font Family */
  --font-primary: 'Merriweather Sans', sans-serif;
}

/* Global Styles */
* {
  font-family: var(--font-primary) !important;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-primary);
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  color: var(--text-primary);
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Header Styles */
.zukunftdigital-header {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--border-primary);
  transition: all 0.3s ease;
  position: relative;
  z-index: 1000;
}

.zukunftdigital-header.scrolled {
  background: rgba(15, 23, 42, 0.98);
  box-shadow: var(--shadow-dark);
}

.brand-container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}

.brand-text {
  font-family: var(--font-primary);
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--text-primary);
  line-height: 1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.brand-tagline {
  font-family: var(--font-primary);
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: -0.1rem;
}

.nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  padding: 0.75rem 1rem !important;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-link:hover {
  color: var(--primary-color) !important;
  transform: translateY(-1px);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 80%;
}

.cta-button {
  background: var(--gradient-primary) !important;
  color: white !important;
  border-radius: 30px !important;
  padding: 0.75rem 2rem !important;
  font-weight: 700 !important;
  transition: all 0.3s ease !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.9rem;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.cta-button:hover::before {
  left: 100%;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
  border-color: var(--primary-light);
}

/* Mobile Menu Styles */
.navbar-toggler {
  border: none;
  padding: 0.5rem;
  background: transparent;
  position: relative;
  width: 30px;
  height: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}

.hamburger-line {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(15px);
    border-radius: 15px;
    margin-top: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--border-primary);
  }
  
  .nav-link {
    padding: 1rem 0 !important;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    text-align: center;
  }
  
  .nav-link:last-child {
    border-bottom: none;
  }
  
  .cta-button {
    margin-top: 1rem;
    width: 100%;
    text-align: center;
  }
}

/* Hero Section */
.hero-section {
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
}

.hero-background::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(0,212,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-badge {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border-primary);
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-buttons .btn {
  padding: 0.75rem 2rem;
  font-weight: 600;
  border-radius: 25px;
  transition: all 0.3s ease;
}

.btn-primary {
  background: var(--gradient-primary);
  border: none;
  color: white;
}

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

.btn-outline-light {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  background: transparent;
}

.btn-outline-light:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* Floating Cards */
.floating-card {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-primary);
  border-radius: 15px;
  padding: 1rem;
  position: absolute;
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: var(--shadow-primary);
  animation: float 6s ease-in-out infinite;
}

.floating-card i {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-right: 0.5rem;
}

.card-1 {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.card-2 {
  top: 60%;
  right: 15%;
  animation-delay: 2s;
}

.card-3 {
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* Section Styles */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-badge {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border-primary);
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Future Technologies Section */
.future-tech-section {
  background: var(--gradient-dark);
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.future-tech-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 60%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
  animation: techGlow 8s ease-in-out infinite alternate;
}

@keyframes techGlow {
  0% { opacity: 0.3; }
  100% { opacity: 0.7; }
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  position: relative;
  z-index: 2;
}

.tech-card {
  position: relative;
  height: 100%;
  border-radius: 25px;
  overflow: hidden;
  transition: all 0.4s ease;
}

.tech-card:hover {
  transform: translateY(-15px) scale(1.02);
}

.tech-card-inner {
  position: relative;
  height: 100%;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-primary);
  border-radius: 25px;
  padding: 2.5rem;
  overflow: hidden;
}

.tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 25px;
}

.tech-card:hover::before {
  opacity: 0.1;
}

.tech-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.tech-icon {
  width: 80px;
  height: 80px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Futuristic Icons */
.neural-network {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  position: relative;
  animation: pulse 2s ease-in-out infinite;
}

.neural-network::before,
.neural-network::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  animation: neuralPulse 1.5s ease-in-out infinite;
}

.neural-network::before {
  top: 10px;
  left: 10px;
  animation-delay: 0.5s;
}

.neural-network::after {
  bottom: 10px;
  right: 10px;
  animation-delay: 1s;
}

.cloud-structure {
  width: 60px;
  height: 60px;
  background: var(--gradient-secondary);
  border-radius: 15px;
  position: relative;
  animation: float 3s ease-in-out infinite;
}

.cloud-structure::before {
  content: '';
  position: absolute;
  width: 30px;
  height: 30px;
  background: var(--secondary-color);
  border-radius: 50%;
  top: -10px;
  left: 15px;
}

.shield-matrix {
  width: 60px;
  height: 60px;
  background: var(--accent-color);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  position: relative;
  animation: shieldRotate 4s linear infinite;
}

.robot-core {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 10px;
  position: relative;
  animation: robotPulse 2s ease-in-out infinite;
}

.robot-core::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.data-cube {
  width: 60px;
  height: 60px;
  background: var(--gradient-secondary);
  transform: rotate(45deg);
  position: relative;
  animation: cubeRotate 3s ease-in-out infinite;
}

.network-mesh {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  position: relative;
  animation: meshPulse 2.5s ease-in-out infinite;
}

.network-mesh::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  top: -5px;
  left: -5px;
  animation: meshExpand 2.5s ease-in-out infinite;
}

.tech-number {
  background: var(--gradient-primary);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  position: relative;
  z-index: 2;
}

.tech-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  position: relative;
  z-index: 2;
}

.tech-content p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
  position: relative;
  z-index: 2;
}

.tech-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
  position: relative;
  z-index: 2;
}

.feature-tag {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border-primary);
  color: var(--primary-color);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
}

.feature-tag:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.tech-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.tech-card:hover .tech-glow {
  opacity: 0.1;
}

/* Animations */
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

@keyframes neuralPulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes shieldRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes robotPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes cubeRotate {
  0%, 100% { transform: rotate(45deg); }
  50% { transform: rotate(225deg); }
}

@keyframes meshPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

@keyframes meshExpand {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.2); opacity: 0.8; }
}

/* Solutions Section */
.solutions-section {
  background: var(--bg-secondary);
  padding: 5rem 0;
}

/* Solution Cards */
.solution-card {
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(15px);
  border: 1px solid var(--border-secondary);
  border-radius: 25px;
  padding: 0;
  transition: all 0.4s ease;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.solution-card:hover {
  transform: translateY(-15px);
  box-shadow: var(--shadow-secondary);
  border-color: var(--primary-color);
}

.solution-card.featured {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-primary);
  background: rgba(0, 212, 255, 0.05);
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.solution-content {
  padding: 2.5rem;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.solution-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.solution-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  flex: 1;
}

.solution-badge {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border-primary);
  color: var(--primary-color);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  margin-left: 1rem;
}

.solution-badge.popular {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

.solution-description {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  flex: 1;
}

.solution-features {
  margin-bottom: 2rem;
}

.solution-features .feature-item {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.solution-features .feature-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.feature-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding-left: 1.5rem;
}

.feature-text::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: 700;
  font-size: 1rem;
}

.solution-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.solution-duration {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.solution-level {
  color: var(--primary-color);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Contact Section */
.contact-section {
  background: var(--bg-secondary);
}

.contact-card {
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-primary);
  border-radius: 15px;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  margin-bottom: 1rem;
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-primary);
  border-color: var(--primary-color);
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
  color: white;
}

.contact-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.contact-card p {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
}

.contact-card span {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Contact Form */
.contact-form-container {
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-primary);
  border-radius: 20px;
  padding: 2rem;
}

.form-header {
  text-align: center;
  margin-bottom: 2rem;
}

.form-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-header p {
  color: var(--text-secondary);
}

.form-control {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border-secondary);
  border-radius: 10px;
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  transition: all 0.3s ease;
}

.form-control:focus {
  background: rgba(30, 41, 59, 0.7);
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(0, 212, 255, 0.25);
  color: var(--text-primary);
}

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

.form-label {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.form-check-label {
  color: var(--text-secondary);
}

.form-check-label a {
  color: var(--primary-color);
  text-decoration: none;
}

.form-check-label a:hover {
  text-decoration: underline;
}

/* Future CTA Section */
.future-cta-section {
  background: var(--bg-primary);
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.future-cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(45deg, transparent 30%, rgba(0, 212, 255, 0.05) 50%, transparent 70%),
    linear-gradient(-45deg, transparent 30%, rgba(99, 102, 241, 0.05) 50%, transparent 70%);
  animation: ctaGlow 10s ease-in-out infinite alternate;
}

@keyframes ctaGlow {
  0% { opacity: 0.3; }
  100% { opacity: 0.8; }
}

.future-cta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  position: relative;
  z-index: 2;
}

.future-cta-card {
  position: relative;
  height: 100%;
  border-radius: 30px;
  overflow: hidden;
  transition: all 0.5s ease;
  cursor: pointer;
}

.future-cta-card:hover {
  transform: translateY(-20px) scale(1.03);
}

.cta-card-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-primary);
  border-radius: 30px;
  overflow: hidden;
}

/* Futuristic Background Effects */
.hologram-effect {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(45deg, transparent 30%, rgba(0, 212, 255, 0.1) 50%, transparent 70%),
    linear-gradient(-45deg, transparent 30%, rgba(99, 102, 241, 0.1) 50%, transparent 70%);
  animation: hologramShift 6s ease-in-out infinite;
}

.data-streams {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 2px,
      rgba(0, 212, 255, 0.1) 2px,
      rgba(0, 212, 255, 0.1) 4px
    );
  animation: dataFlow 4s linear infinite;
}

.neural-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 25% 25%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
  animation: neuralPattern 8s ease-in-out infinite;
}

.lightning-bolts {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(45deg, transparent 40%, rgba(16, 185, 129, 0.2) 50%, transparent 60%);
  animation: lightning 3s ease-in-out infinite;
}

.data-matrix {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 1px,
      rgba(99, 102, 241, 0.1) 1px,
      rgba(99, 102, 241, 0.1) 2px
    );
  animation: matrixRain 5s linear infinite;
}

.analytics-waves {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at center, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
  animation: waveMotion 6s ease-in-out infinite;
}

.security-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(90deg, rgba(16, 185, 129, 0.1) 1px, transparent 1px),
    linear-gradient(rgba(16, 185, 129, 0.1) 1px, transparent 1px);
  background-size: 20px 20px;
  animation: gridPulse 4s ease-in-out infinite;
}

.shield-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(16, 185, 129, 0.2) 0%, transparent 30%),
    radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.2) 0%, transparent 30%);
  animation: particleFloat 7s ease-in-out infinite;
}

.cta-card-content {
  position: relative;
  z-index: 3;
  padding: 3rem;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.cta-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.cta-icon {
  width: 80px;
  height: 80px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Futuristic CTA Icons */
.quantum-core {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  position: relative;
  animation: quantumPulse 2s ease-in-out infinite;
}

.quantum-core::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  top: -5px;
  left: -5px;
  animation: quantumRing 3s linear infinite;
}

.innovation-hub {
  width: 60px;
  height: 60px;
  background: var(--gradient-secondary);
  border-radius: 15px;
  position: relative;
  animation: innovationGlow 2.5s ease-in-out infinite;
}

.innovation-hub::before {
  content: '';
  position: absolute;
  width: 30px;
  height: 30px;
  background: var(--secondary-color);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: innovationPulse 1.5s ease-in-out infinite;
}

.analytics-core {
  width: 60px;
  height: 60px;
  background: var(--accent-color);
  transform: rotate(45deg);
  position: relative;
  animation: analyticsRotate 4s linear infinite;
}

.security-matrix {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  position: relative;
  animation: securityShield 3s ease-in-out infinite;
}

.cta-badge {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border-primary);
  color: var(--primary-color);
  padding: 0.5rem 1.5rem;
  border-radius: 25px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.cta-card-content h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.cta-card-content p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
  font-size: 1rem;
}

.cta-features {
  margin-bottom: 2.5rem;
  flex: 1;
}

.feature-line {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.feature-dot {
  width: 8px;
  height: 8px;
  background: var(--primary-color);
  border-radius: 50%;
  margin-right: 1rem;
  animation: dotPulse 2s ease-in-out infinite;
}

.future-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: white;
  padding: 1rem 2rem;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.future-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-primary);
  border-color: var(--primary-light);
}

.btn-glow {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
}

.future-btn:hover .btn-glow {
  left: 100%;
}

/* CTA Card Specific Styles */
.transformation-card:hover .hologram-effect {
  animation-duration: 2s;
}

.innovation-card:hover .neural-pattern {
  animation-duration: 3s;
}

.analytics-card:hover .data-matrix {
  animation-duration: 2s;
}

.security-card:hover .security-grid {
  animation-duration: 2s;
}

/* Animations */
@keyframes hologramShift {
  0%, 100% { transform: translateX(0) translateY(0); }
  50% { transform: translateX(10px) translateY(-10px); }
}

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

@keyframes neuralPattern {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}

@keyframes lightning {
  0%, 100% { opacity: 0; }
  50% { opacity: 0.6; }
}

@keyframes matrixRain {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

@keyframes waveMotion {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.1) rotate(180deg); }
}

@keyframes gridPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}

@keyframes particleFloat {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

@keyframes quantumPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

@keyframes quantumRing {
  0% { transform: scale(1) rotate(0deg); opacity: 0.8; }
  100% { transform: scale(1.5) rotate(360deg); opacity: 0; }
}

@keyframes innovationGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.3); }
  50% { box-shadow: 0 0 40px rgba(99, 102, 241, 0.6); }
}

@keyframes innovationPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.3); }
}

@keyframes analyticsRotate {
  0% { transform: rotate(45deg); }
  100% { transform: rotate(405deg); }
}

@keyframes securityShield {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

@keyframes dotPulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

/* Testimonials Section */
.testimonials-section {
  background: var(--bg-secondary);
}

.testimonial-card {
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-secondary);
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
  height: 100%;
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-secondary);
  border-color: var(--primary-color);
}

.testimonial-card.featured {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-primary);
}

.testimonial-quote-icon {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.testimonial-quote {
  font-style: italic;
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.testimonial-rating {
  margin-bottom: 1.5rem;
}

.testimonial-rating i {
  color: var(--accent-color);
  font-size: 1.2rem;
  margin: 0 0.1rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--primary-color);
}

.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-info h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.testimonial-info p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0;
}

/* Footer */
.zukunftdigital-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-primary);
  padding: 4rem 0 2rem;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.footer-logo .brand-text {
  font-family: var(--font-primary);
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--text-primary);
  line-height: 1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.footer-logo .brand-tagline {
  font-family: var(--font-primary);
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: -0.1rem;
}

.footer-description {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
  font-size: 1rem;
}

.footer-contact .contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1rem;
}

.footer-section h5 {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding-left: 1rem;
}

.footer-links a::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: 700;
  font-size: 0.9rem;
  opacity: 0;
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: var(--primary-color);
  transform: translateX(5px);
}

.footer-links a:hover::before {
  opacity: 1;
}

.newsletter-section {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.newsletter-section h5 {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.newsletter-section p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.newsletter-form .form-control {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border-secondary);
  color: var(--text-primary);
  border-radius: 25px 0 0 25px;
  padding: 0.75rem 1.25rem;
}

.newsletter-form .form-control::placeholder {
  color: var(--text-muted);
}

.newsletter-form .btn {
  border-radius: 0 25px 25px 0;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.9rem;
}

.footer-bottom {
  border-top: 1px solid var(--border-secondary);
  padding-top: 2rem;
  margin-top: 3rem;
}

.copyright {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.9rem;
}

.footer-legal {
  display: flex;
  gap: 2rem;
  justify-content: flex-end;
}

.footer-legal a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 0.9rem;
  font-weight: 500;
}

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

/* Responsive Footer */
@media (max-width: 768px) {
  .zukunftdigital-footer {
    padding: 3rem 0 2rem;
  }
  
  .footer-legal {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
    margin-top: 1rem;
  }
  
  .newsletter-form .input-group {
    flex-direction: column;
  }
  
  .newsletter-form .form-control,
  .newsletter-form .btn {
    border-radius: 25px;
  }
  
  .newsletter-form .btn {
    margin-top: 0.5rem;
  }
}

/* Cookie Banner */
.cookie-wrapper {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-primary);
  border-radius: 15px;
  padding: 2rem;
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  right: 2rem;
  z-index: 1000;
  box-shadow: var(--shadow-dark);
}

.cookie-wrapper h2 {
  color: var(--text-primary);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cookie-wrapper p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.cookie-wrapper a {
  color: var(--primary-color);
  text-decoration: none;
}

.cookie-wrapper a:hover {
  text-decoration: underline;
}

.cookie-button {
  background: var(--gradient-primary);
  border: none;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  font-weight: 600;
  margin-right: 1rem;
  transition: all 0.3s ease;
}

.cookie-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 1.2rem;
  z-index: 999;
  transition: all 0.3s ease;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-primary);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .floating-card {
    position: relative;
    margin-bottom: 1rem;
  }
  
  .footer-legal {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
  
  .cookie-wrapper {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }
}

/* Loading Spinner */
#spinner {
  background: var(--bg-primary);
}

.spinner-border {
  color: var(--primary-color) !important;
}

/* Form Validation */
.error-message {
  color: #ef4444;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* Additional Tech Elements */
.tech-pattern {
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
}

.glow-effect {
  box-shadow: 
    0 0 20px rgba(0, 212, 255, 0.3),
    0 0 40px rgba(0, 212, 255, 0.2),
    0 0 60px rgba(0, 212, 255, 0.1);
}

/* Hover Effects */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-primary);
}