/* ========================================
   Wabe Group - Light Professional Theme
   ======================================== */

:root {
  /* Colors */
  --primary-blue: #3B82F6;
  --primary-blue-dark: #1E40AF;
  --primary-green: #10B981;
  --primary-purple: #8B5CF6;
  --light-blue: #E0F2FE;
  --light-green: #D1FAE5;
  --light-purple: #F3E8FF;
  --bg: #FFFFFF;
  --bg-alt: #F8FAFC;
  --text-primary: #1E293B;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --border: #E2E8F0;
  --success: #10B981;
  
  /* Typography */
  --font-sans: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Layout */
  --container-width: 1200px;
  --section-padding: 5rem 0;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

/* Background Patterns */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

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

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--primary-blue-dark);
}

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  position: relative;
  z-index: 1;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

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

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

.logo-icon {
  height: 50px;
  width: auto;
  flex-shrink: 0;
  display: block;
}

@media (max-width: 768px) {
  .logo-icon {
    height: 32px;
  }
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
  font-size: 0.9375rem;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-blue);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--primary-blue);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
  color: white !important;
  padding: var(--spacing-xs) var(--spacing-md) !important;
  border-radius: 6px;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.nav-cta:hover {
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
  transform: translateY(-1px);
}

.nav-cta::after {
  display: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

/* Language Toggle */
.lang-toggle-wrapper {
  margin: 0 var(--spacing-sm);
}

.lang-toggle {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 4px;
}

.lang-toggle:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
  background: var(--light-blue);
}

.lang-active {
  color: var(--primary-blue);
}

.lang-separator {
  color: var(--text-muted);
  margin: 0 2px;
}

.lang-inactive {
  color: var(--text-secondary);
}

/* Hero Section */
.hero {
  padding: 10rem 0 8rem;
  background: linear-gradient(135deg, rgba(224, 242, 254, 0.3) 0%, rgba(255, 255, 255, 1) 100%);
  margin-top: 70px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-graphic {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 600px;
  opacity: 0.6;
  z-index: 0;
  pointer-events: none;
}

.network-graphic {
  width: 100%;
  height: auto;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  font-weight: 800;
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-description {
  display: none;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 6px;
  font-weight: 600;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
  position: relative;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
  color: white;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: white;
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
  background: var(--light-blue);
  transform: translateY(-2px);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
}

/* Sections */
.section {
  padding: var(--section-padding);
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.section-intro {
  text-align: center;
  font-size: 1.125rem;
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
  color: var(--text-secondary);
}

/* Problem Section */
.problem-section {
  background: var(--bg-alt);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.stat-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid var(--border);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-blue);
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-mono);
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.problem-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.problem-item {
  background: white;
  padding: var(--spacing-lg);
  border-radius: 12px;
  border-left: 4px solid var(--primary-blue);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.problem-item:hover {
  transform: translateX(5px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.problem-item h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.problem-item p {
  margin: 0;
  color: var(--text-secondary);
}

/* Solution Section */
.solution-section {
  background: var(--bg);
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.solution-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid var(--border);
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-blue);
}

.solution-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
}

.solution-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.solution-card p {
  margin: 0;
  color: var(--text-secondary);
}

.solution-benefits {
  background: var(--bg-alt);
  padding: var(--spacing-xl);
  border-radius: 12px;
  margin-top: var(--spacing-xl);
  border: 1px solid var(--border);
}

.solution-benefits h3 {
  margin-bottom: var(--spacing-md);
  text-align: center;
  color: var(--text-primary);
}

.benefits-list {
  list-style: none;
  max-width: 600px;
  margin: 0 auto;
}

.benefits-list li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-xl);
  position: relative;
  color: var(--text-secondary);
}

.benefits-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-green);
  font-weight: 700;
  font-size: 1.25rem;
}

/* Sectors Section */
.sectors-section {
  background: var(--bg-alt);
}

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.sector-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid var(--border);
}

.sector-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-purple);
}

.sector-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--primary-purple);
}

.sector-card p {
  margin: 0;
  color: var(--text-secondary);
}

/* About Section */
.about-section {
  background: var(--bg);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-content p {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--light-blue) 0%, var(--light-green) 100%);
  position: relative;
}

.cta-section .section-title,
.cta-section .section-intro {
  color: var(--text-primary);
}

.cta-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-xl);
}

.contact-form {
  background: white;
  padding: var(--spacing-xl);
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9375rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  background: white;
}

.hidden {
  display: none;
}

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

.cta-info h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.cta-info p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.cta-stats {
  display: flex;
  gap: var(--spacing-lg);
}

.cta-stat {
  text-align: center;
  padding: var(--spacing-md);
  background: white;
  border-radius: 8px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.cta-stat strong {
  display: block;
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
  color: var(--primary-blue);
  font-family: var(--font-mono);
}

.cta-stat span {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Contact Reveal */
.contact-reveal {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md);
  background: var(--bg-alt);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.contact-item {
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.contact-item strong {
  color: var(--text-primary);
  min-width: 60px;
}

.contact-link {
  color: var(--primary-blue);
  text-decoration: none;
  font-weight: 500;
}

.contact-link:hover {
  text-decoration: underline;
}

.contact-reveal-btn {
  margin: var(--spacing-md) 0;
  width: 100%;
  max-width: 300px;
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: white;
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
  color: white;
  margin-bottom: var(--spacing-xs);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

.footer-links h4 {
  color: white;
  margin-bottom: var(--spacing-sm);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --section-padding: 4rem 0;
  }
  
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }
  
  .hero {
    padding: 8rem 0 6rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .hero-graphic {
    opacity: 0.3;
  }
  
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    border-top: 1px solid var(--border);
  }
  
  .nav-links.active {
    transform: translateX(0);
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .lang-toggle-wrapper {
    margin: var(--spacing-sm) 0;
  }
  
  .lang-toggle {
    width: 100%;
    justify-content: center;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-content {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .stat-number {
    font-size: 2.5rem;
  }
}