:root {
  --primary-green: #2d5a27;
  --primary-green-light: #4a8c3f;
  --primary-green-dark: #1e3d1a;
  --accent-orange: #f5a623;
  --accent-orange-dark: #d4911f;
  --text-dark: #333;
  --text-light: #666;
  --text-white: #fff;
  --bg-light: #f8f9fa;
  --bg-white: #fff;
  --border-light: #e0e0e0;
  --shadow-soft: 0 2px 15px rgba(0,0,0,0.08);
  --shadow-medium: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-strong: 0 8px 30px rgba(0,0,0,0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--bg-white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1rem; }

ul, ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

li { margin-bottom: 0.5rem; }

/* Header */
.header {
  background: var(--bg-white);
  box-shadow: var(--shadow-soft);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-top {
  background: var(--primary-green);
  color: var(--text-white);
  padding: 8px 0;
  font-size: 0.85rem;
}

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

.disclaimer-mini {
  opacity: 0.9;
  font-size: 0.75rem;
  cursor: help;
  position: relative;
}

.disclaimer-mini:hover .disclaimer-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.disclaimer-tooltip {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--text-dark);
  color: var(--text-white);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  width: 300px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 100;
  line-height: 1.5;
}

.language-switcher {
  display: flex;
  gap: 8px;
  align-items: center;
}

.language-switcher a {
  color: var(--text-white);
  opacity: 0.8;
  font-size: 0.85rem;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.language-switcher a:hover,
.language-switcher a.active {
  opacity: 1;
  background: rgba(255,255,255,0.2);
}

.header-main {
  padding: 15px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.logo img {
  height: 50px;
  width: auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-text strong {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-green);
  line-height: 1.2;
}

.logo-text span {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-light);
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-main a {
  color: var(--text-dark);
  font-weight: 500;
  padding: 8px 0;
  position: relative;
}

.nav-main a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-green);
  transition: var(--transition);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-orange);
  color: var(--text-white);
}

.btn-primary:hover {
  background: var(--accent-orange-dark);
  color: var(--text-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn-secondary {
  background: var(--primary-green);
  color: var(--text-white);
}

.btn-secondary:hover {
  background: var(--primary-green-dark);
  color: var(--text-white);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--primary-green);
  color: var(--text-white);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.1rem;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, rgba(45, 90, 39, 0.92) 0%, rgba(74, 140, 63, 0.88) 100%),
              url('/images/cologne-zoo.jpg') center/cover no-repeat;
  color: var(--text-white);
  padding: 60px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="80" cy="20" r="40" fill="rgba(255,255,255,0.05)"/><circle cx="90" cy="70" r="30" fill="rgba(255,255,255,0.03)"/></svg>');
  background-size: cover;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 2.8rem;
  color: var(--text-white);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-content p {
  font-size: 1.15rem;
  opacity: 0.95;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.hero-widget {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 25px;
  box-shadow: var(--shadow-strong);
}

.hero-widget h3 {
  color: var(--primary-green);
  margin-bottom: 15px;
  font-size: 1.3rem;
}

/* Quick Info Box */
.quick-info {
  background: var(--bg-light);
  padding: 40px 0;
  border-bottom: 1px solid var(--border-light);
}

.quick-info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

.quick-info-item {
  background: var(--bg-white);
  padding: 25px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.quick-info-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.quick-info-item .icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.quick-info-item h4 {
  color: var(--primary-green);
  margin-bottom: 8px;
}

.quick-info-item p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin: 0;
}

/* Section Styles */
.section {
  padding: 80px 0;
}

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

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
}

.section-header h2 {
  color: var(--primary-green);
  margin-bottom: 15px;
}

.section-header p {
  color: var(--text-light);
  font-size: 1.1rem;
}

/* Price Table */
.price-table {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

.price-table-header {
  background: var(--primary-green);
  color: var(--text-white);
  padding: 20px 30px;
}

.price-table-header h3 {
  color: var(--text-white);
  margin: 0;
}

.price-table-body {
  padding: 0;
}

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 30px;
  border-bottom: 1px solid var(--border-light);
}

.price-row:last-child {
  border-bottom: none;
}

.price-row:nth-child(even) {
  background: var(--bg-light);
}

.price-label {
  font-weight: 500;
}

.price-label small {
  display: block;
  color: var(--text-light);
  font-weight: 400;
  font-size: 0.85rem;
}

.price-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-green);
}

.price-note {
  padding: 15px 30px;
  background: #fff8e1;
  font-size: 0.9rem;
  color: var(--text-light);
  border-top: 1px solid var(--border-light);
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-strong);
}

.card-image {
  height: 200px;
  background: linear-gradient(135deg, var(--primary-green-light), var(--primary-green));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-content {
  padding: 25px;
}

.card-content h3 {
  margin-bottom: 12px;
}

.card-content p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--primary-green);
  font-weight: 600;
  margin-top: 10px;
}

.card-link:hover {
  gap: 10px;
}

/* Tips Box */
.tips-box {
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
  border-radius: var(--radius-lg);
  padding: 30px;
  margin: 30px 0;
  border-left: 4px solid var(--primary-green);
}

.tips-box h4 {
  color: var(--primary-green);
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tips-box ul {
  margin: 0;
  padding-left: 20px;
}

.tips-box li {
  margin-bottom: 10px;
}

/* Expert Opinion */
.expert-box {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 30px;
  margin: 30px 0;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border-light);
  position: relative;
}

.expert-box::before {
  content: '"';
  position: absolute;
  top: 10px;
  left: 20px;
  font-size: 4rem;
  color: var(--primary-green-light);
  opacity: 0.3;
  font-family: Georgia, serif;
}

.expert-box p {
  font-style: italic;
  padding-left: 30px;
  color: var(--text-dark);
}

.expert-author {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-top: 20px;
  padding-left: 30px;
}

.expert-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-weight: 700;
  font-size: 1.2rem;
}

.expert-info strong {
  display: block;
  color: var(--text-dark);
}

.expert-info span {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* Content Layout */
.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 50px;
}

.content-main article {
  max-width: none;
}

.content-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.sidebar-box {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 25px;
  margin-bottom: 25px;
  box-shadow: var(--shadow-soft);
}

.sidebar-box h4 {
  color: var(--primary-green);
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border-light);
}

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

.sidebar-box li {
  margin-bottom: 12px;
}

.sidebar-box li a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dark);
}

.sidebar-box li a:hover {
  color: var(--primary-green);
}

/* Comparison Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

.comparison-table th {
  background: var(--primary-green);
  color: var(--text-white);
  padding: 18px 20px;
  text-align: left;
  font-weight: 600;
}

.comparison-table td {
  padding: 15px 20px;
  border-bottom: 1px solid var(--border-light);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table tr:nth-child(even) {
  background: var(--bg-light);
}

.comparison-table .check {
  color: var(--primary-green);
  font-size: 1.2rem;
}

.comparison-table .cross {
  color: #dc3545;
  font-size: 1.2rem;
}

/* FAQ Section */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  margin-bottom: 15px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.faq-question {
  padding: 20px 25px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--text-dark);
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--bg-light);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--primary-green);
  transition: var(--transition);
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 25px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 0 25px 20px;
  max-height: 500px;
}

.faq-answer p {
  color: var(--text-light);
}

/* Footer */
.footer {
  background: var(--text-dark);
  color: var(--text-white);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col h4 {
  color: var(--text-white);
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.footer-col p {
  opacity: 0.8;
  font-size: 0.95rem;
}

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

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--text-white);
  opacity: 0.8;
  font-size: 0.95rem;
}

.footer-col a:hover {
  opacity: 1;
  color: var(--accent-orange);
}

.footer-disclaimer {
  background: rgba(0,0,0,0.2);
  padding: 20px;
  border-radius: var(--radius-md);
  margin-top: 20px;
  font-size: 0.85rem;
  opacity: 0.9;
  line-height: 1.6;
}

.footer-disclaimer strong {
  color: var(--accent-orange);
}

.footer-bottom {
  padding: 25px 0;
  text-align: center;
  opacity: 0.7;
  font-size: 0.9rem;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero-widget {
    max-width: 500px;
    margin: 0 auto;
  }
  
  .content-grid {
    grid-template-columns: 1fr;
  }
  
  .content-sidebar {
    position: static;
  }
  
  .quick-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  
  .header-main .container {
    flex-wrap: wrap;
  }
  
  .nav-main {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    padding: 20px 0;
    order: 3;
  }
  
  .nav-main.active {
    display: flex;
  }
  
  .nav-main a {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
    width: 100%;
    text-align: center;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .quick-info-grid {
    grid-template-columns: 1fr;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .price-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: 50px 0;
  }
  
  .btn-lg {
    padding: 14px 24px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }
  
  .header-top .container {
    flex-direction: column;
    gap: 8px;
  }
  
  .language-switcher {
    width: 100%;
    justify-content: center;
  }
  
  .hero {
    padding: 40px 0 60px;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Print Styles */
@media print {
  .header, .footer, .hero-widget, .btn {
    display: none;
  }
  
  .hero {
    background: none;
    color: var(--text-dark);
    padding: 20px 0;
  }
  
  .section {
    padding: 20px 0;
  }
}