/*
  CIVITAS Suite - Design System
  Based on CIVITAS brand identity
  Colors: void black, signal red, concrete white, pixel green, gunmetal grey
  Typography: Eurostile Bold Extended, Inter, IBM Plex Mono
*/

:root {
  /* CIVITAS Brand Colors - Kulturhaus Bortfeld Theme */
  --kulturhaus-green: #7CB342;  /* Primary lime green */
  --kulturhaus-teal: #4DB6AC;   /* Secondary teal/turquoise */
  --kulturhaus-dark-green: #558B2F;  /* Dark green for text */
  --kulturhaus-light-green: #AED581;  /* Light green for highlights */
  --bg-dark: #1B5E20;  /* Dark green background */
  --bg-light: #F1F8E9;  /* Light green background */
  --text-dark: #33691E;  /* Dark green text */
  --text-light: #FFFFFF;  /* White text on dark backgrounds */
  --accent-teal: #00BCD4;  /* Bright teal for CTAs */

  /* Typography */
  --font-primary: "Eurostile Bold Extended", "Microgramma D Extended", "Arial Black", sans-serif;
  --font-secondary: "Inter", "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "OCR A Std", "Courier New", monospace;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-xxl: 80px;
  --spacing-xxxl: 120px;

  /* Layout */
  --max-width: 1200px;
  --border-radius: 8px;
}

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

body {
  font-family: var(--font-secondary);
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-light);
  font-size: 18px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(36px, 5vw, 56px);
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: clamp(22px, 3vw, 28px);
  margin-bottom: var(--spacing-sm);
}

h4 {
  font-size: 20px;
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-sm);
  font-size: 18px;
  line-height: 1.7;
}

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

a:hover {
  color: var(--kulturhaus-teal);
  text-decoration: underline;
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xxxl) 0;
}

.section h2 {
  color: var(--kulturhaus-dark-green);
  font-size: clamp(28px, 4vw, 36px);
  margin-bottom: var(--spacing-xl);
  line-height: 1.3;
}

/* Header */
header {
  background-color: var(--kulturhaus-green);
  border-bottom: 3px solid var(--kulturhaus-dark-green);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-primary);
  font-size: 28px;
  color: var(--text-light);
  letter-spacing: 0.1em;
}

.logo-red {
  color: var(--kulturhaus-light-green);
  font-size: 14px;
  display: block;
  margin-bottom: -4px;
}

/* Language Switcher */
.lang-switch {
  display: flex;
  gap: var(--spacing-xs);
  background-color: var(--kulturhaus-dark-green);
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid var(--kulturhaus-light-green);
}

.lang-switch a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-weight: 600;
  padding: 4px 8px;
  transition: color 0.2s;
  text-decoration: none;
}

.lang-switch a:hover {
  color: var(--kulturhaus-light-green);
  text-decoration: none;
}

.lang-switch a.active {
  color: var(--text-light);
  background-color: var(--kulturhaus-green);
  border-radius: 4px;
}

.lang-switch .sep {
  color: rgba(255, 255, 255, 0.3);
}

/* Hero Section */
.hero {
  padding: var(--spacing-xxl) 0;
  text-align: center;
  background: linear-gradient(135deg, var(--kulturhaus-green) 0%, var(--kulturhaus-dark-green) 100%);
  position: relative;
  color: var(--text-light);
}

.hero-logo {
  max-width: 400px;
  margin: 0 auto var(--spacing-lg);
}

.hero h1 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-light);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: 20px;
  color: var(--kulturhaus-light-green);
  margin-bottom: var(--spacing-lg);
}

.status-badge {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.95);
  color: var(--kulturhaus-dark-green);
  padding: 10px 20px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  border: 2px solid var(--kulturhaus-light-green);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 16px 40px;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-family: var(--font-primary);
  text-decoration: none;
}

.btn-primary {
  background-color: white;
  color: var(--kulturhaus-dark-green);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  font-weight: 700;
}

.btn-primary:hover {
  background-color: var(--kulturhaus-light-green);
  box-shadow: 0 6px 25px rgba(124, 179, 66, 0.3);
  transform: translateY(-2px);
  color: var(--kulturhaus-dark-green);
  text-decoration: none;
}

.btn-secondary {
  background-color: transparent;
  color: var(--kulturhaus-green);
  border: 2px solid var(--kulturhaus-green);
}

.btn-secondary:hover {
  background-color: var(--kulturhaus-green);
  color: var(--text-light);
  box-shadow: 0 6px 25px rgba(124, 179, 66, 0.3);
  transform: translateY(-2px);
  text-decoration: none;
}

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

.card {
  background-color: white;
  padding: var(--spacing-xl);
  border-radius: 12px;
  border: 2px solid #e5e7eb;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.card:hover {
  border-color: var(--kulturhaus-green);
  box-shadow: 0 8px 24px rgba(124, 179, 66, 0.15);
  transform: translateY(-2px);
}

.card-icon {
  font-size: 56px;
  margin-bottom: var(--spacing-md);
  display: block;
  opacity: 0.9;
}

.card h3 {
  color: var(--kulturhaus-dark-green);
  margin-bottom: var(--spacing-md);
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.card p {
  color: var(--text-dark);
  font-size: 16px;
  line-height: 1.7;
}

.card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.card ul li {
  color: #4b5563;
  font-size: 15px;
  line-height: 1.9;
  padding-left: 24px;
  position: relative;
  margin-bottom: 8px;
}

.card ul li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--kulturhaus-green);
  font-weight: 600;
  font-size: 16px;
}

/* Pain Point Cards */
.pain-card {
  background-color: white;
  padding: var(--spacing-xl);
  border-radius: 12px;
  border-left: 4px solid var(--kulturhaus-teal);
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.pain-card:hover {
  box-shadow: 0 8px 24px rgba(77, 182, 172, 0.15);
  transform: translateX(4px);
  border-left-color: var(--accent-teal);
}

.pain-card .card-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  opacity: 0.9;
}

.pain-card h3 {
  color: var(--kulturhaus-dark-green);
  font-size: 20px;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.pain-card .problem {
  color: #1f2937;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  font-size: 16px;
  line-height: 1.6;
}

.pain-card .result {
  color: #6b7280;
  font-size: 15px;
  line-height: 1.6;
}

/* Solution Section */
.solution-banner {
  text-align: center;
  margin: var(--spacing-xl) 0;
}

.solution-banner img {
  max-width: 500px;
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: 0 8px 30px rgba(124, 179, 66, 0.3);
}

.solution-banner h2 {
  margin-top: var(--spacing-lg);
  color: var(--kulturhaus-green);
}

.solution-banner p {
  color: var(--text-dark);
  font-size: 20px;
}

/* Feature List */
.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background-color: white;
  border-radius: var(--border-radius);
  border: 1px solid var(--kulturhaus-light-green);
}

.feature-check {
  color: var(--kulturhaus-green);
  font-size: 24px;
  flex-shrink: 0;
}

.feature-text {
  font-size: 18px;
  color: var(--text-dark);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--kulturhaus-green) 0%, var(--kulturhaus-dark-green) 100%);
  padding: var(--spacing-xxl) 0;
  text-align: center;
  border-top: 3px solid var(--kulturhaus-light-green);
  border-bottom: 3px solid var(--kulturhaus-light-green);
}

.cta-section h2 {
  color: var(--text-light);
}

.cta-section p {
  font-size: 20px;
  color: var(--kulturhaus-light-green);
  margin-bottom: var(--spacing-lg);
}

/* Footer */
footer {
  background-color: var(--kulturhaus-dark-green);
  border-top: 3px solid var(--kulturhaus-light-green);
  padding: var(--spacing-xl) 0;
  text-align: center;
  color: var(--kulturhaus-light-green);
  font-size: 14px;
}

footer a {
  color: var(--text-light);
  margin: 0 var(--spacing-sm);
}

footer a:hover {
  color: var(--kulturhaus-light-green);
}

.footer-brand {
  margin-top: var(--spacing-sm);
  color: var(--kulturhaus-light-green);
}

.footer-brand a {
  color: var(--kulturhaus-light-green);
}

/* Responsive */
@media (max-width: 768px) {
  .section {
    padding: var(--spacing-xl) 0;
  }

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

  .feature-list {
    grid-template-columns: 1fr;
  }

  .hero-logo {
    max-width: 300px;
  }

  .solution-banner img {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .btn {
    padding: 14px 30px;
    font-size: 16px;
  }

  .card {
    padding: var(--spacing-md);
  }
}