/* Windsor Castle Guide - Main Stylesheet */
/* Modern, clean design with royal aesthetic */

:root {
  --primary-color: #1a365d;
  --primary-dark: #0f2444;
  --secondary-color: #c9a227;
  --accent-gold: #d4af37;
  --text-dark: #1a202c;
  --text-muted: #4a5568;
  --text-light: #718096;
  --bg-light: #f7fafc;
  --bg-cream: #faf8f5;
  --white: #ffffff;
  --border-color: #e2e8f0;
  --success: #38a169;
  --warning: #d69e2e;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --transition: all 0.3s ease;
  --max-width: 1200px;
  --header-height: 72px;
}

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

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
}

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

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

a:hover {
  color: var(--secondary-color);
}

ul, ol {
  list-style-position: inside;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-dark);
  margin-bottom: 0.75em;
}

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

p {
  margin-bottom: 1rem;
  max-width: 75ch;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary-color);
}

.logo img, .logo svg {
  height: 40px;
  width: auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text span:first-child {
  font-size: 1.1rem;
  color: var(--primary-color);
}

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

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  color: var(--text-dark);
  padding: 0.5rem 0;
  position: relative;
}

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

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

/* Language Selector */
.lang-selector {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-dark);
  transition: var(--transition);
}

.lang-btn:hover {
  background: var(--border-color);
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 100;
  max-height: 300px;
  overflow-y: auto;
}

.lang-selector:hover .lang-dropdown,
.lang-selector:focus-within .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-dropdown a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--text-dark);
  font-size: 0.9rem;
}

.lang-dropdown a:hover {
  background: var(--bg-light);
}

.lang-dropdown a.active {
  background: var(--bg-cream);
  color: var(--primary-color);
  font-weight: 500;
}

/* CTA Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--accent-gold);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background: var(--primary-dark);
  color: var(--white);
}

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

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  margin: 5px 0;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 4rem 0;
}

.hero-text {
  color: var(--white);
}

.hero-text h1 {
  color: var(--white);
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-text .subtitle {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.hero-widget {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-xl);
}

.hero-widget h3 {
  margin-bottom: 1rem;
  text-align: center;
}

/* Quick Summary Box */
.quick-summary {
  background: var(--bg-cream);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 2rem 0;
  border-left: 4px solid var(--secondary-color);
}

.quick-summary h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.summary-table {
  width: 100%;
  border-collapse: collapse;
}

.summary-table th,
.summary-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.summary-table th {
  font-weight: 600;
  color: var(--text-muted);
  width: 40%;
}

.summary-table td {
  font-weight: 500;
}

/* Content Sections */
.section {
  padding: 4rem 0;
}

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

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-muted);
  margin: 0 auto;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-img {
  height: 200px;
  overflow: hidden;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.card:hover .card-img img {
  transform: scale(1.05);
}

.card-body {
  padding: 1.5rem;
}

.card-body h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.card-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

/* Price Table */
.price-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.price-table thead {
  background: var(--primary-color);
  color: var(--white);
}

.price-table th,
.price-table td {
  padding: 1rem 1.5rem;
  text-align: left;
}

.price-table tbody tr {
  border-bottom: 1px solid var(--border-color);
}

.price-table tbody tr:hover {
  background: var(--bg-light);
}

.price-table .price {
  font-weight: 700;
  color: var(--primary-color);
  font-size: 1.1rem;
}

/* Comparison Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
}

.comparison-table th,
.comparison-table td {
  padding: 1rem;
  border: 1px solid var(--border-color);
  text-align: center;
}

.comparison-table thead th {
  background: var(--primary-color);
  color: var(--white);
  font-weight: 600;
}

.comparison-table tbody th {
  background: var(--bg-light);
  text-align: left;
  font-weight: 500;
}

.comparison-table .check {
  color: var(--success);
  font-size: 1.25rem;
}

.comparison-table .cross {
  color: var(--text-light);
  font-size: 1.25rem;
}

/* Tips Box */
.tips-box {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 2rem 0;
}

.tips-box h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-dark);
}

.tips-box ul {
  margin-top: 1rem;
  list-style: none;
}

.tips-box li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.tips-box li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: bold;
}

/* Expert Opinion Box */
.expert-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 2rem 0;
  border: 2px solid var(--primary-color);
  position: relative;
}

.expert-box::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 4rem;
  color: var(--secondary-color);
  font-family: Georgia, serif;
  line-height: 1;
}

.expert-box .author {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.expert-box .author-info strong {
  display: block;
  color: var(--primary-color);
}

.expert-box .author-info span {
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1.25rem;
  background: var(--white);
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

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

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

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

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

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 1.25rem 1.25rem;
  color: var(--text-muted);
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 4rem 2rem;
  border-radius: var(--radius-xl);
  text-align: center;
  margin: 3rem 0;
}

.cta-banner h2 {
  color: var(--white);
  margin-bottom: 1rem;
}

.cta-banner p {
  opacity: 0.9;
  margin: 0 auto 2rem;
  max-width: 600px;
}

/* Internal Links Section */
.internal-links {
  background: var(--bg-cream);
  padding: 3rem 0;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.link-card:hover {
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-md);
}

.link-card-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.link-card-text h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.link-card-text span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Footer */
.footer {
  background: var(--primary-dark);
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  opacity: 0.8;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.footer h4 {
  color: var(--secondary-color);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

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

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

.footer-links a {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--secondary-color);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-bottom: 0.5rem;
}

/* Disclaimer */
.disclaimer {
  background: #fef3c7;
  border: 1px solid #f59e0b;
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  margin: 1rem 0;
  font-size: 0.9rem;
  color: #92400e;
}

.disclaimer strong {
  display: block;
  margin-bottom: 0.5rem;
}

.footer-disclaimer {
  background: rgba(255,255,255,0.1);
  padding: 1rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  text-align: center;
  margin-top: 1.5rem;
}

/* Breadcrumbs */
.breadcrumbs {
  padding: 1rem 0;
  font-size: 0.9rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

.breadcrumbs li::after {
  content: '/';
  margin-left: 0.5rem;
  color: var(--text-light);
}

.breadcrumbs li:last-child::after {
  display: none;
}

.breadcrumbs a {
  color: var(--text-muted);
}

.breadcrumbs span {
  color: var(--text-dark);
}

/* Content Article */
.article-content {
  max-width: 900px;
  margin: 0 auto;
}

.article-content h2 {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.article-content h3 {
  margin-top: 2rem;
}

.article-content ul,
.article-content ol {
  margin: 1rem 0 1.5rem 1rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

/* Image with caption */
.figure {
  margin: 2rem 0;
}

.figure img {
  border-radius: var(--radius-lg);
  width: 100%;
}

.figure figcaption {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 0.75rem;
  font-style: italic;
}

/* Two Column Layout */
.two-col {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.sidebar-widget {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.sidebar-widget h4 {
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--secondary-color);
}

/* Table of Contents */
.toc {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.toc h4 {
  margin-bottom: 1rem;
}

.toc ol {
  list-style: decimal;
  margin-left: 1.25rem;
}

.toc li {
  margin-bottom: 0.5rem;
}

.toc a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

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

/* Badge */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
  text-transform: uppercase;
}

.badge-primary {
  background: var(--primary-color);
  color: var(--white);
}

.badge-secondary {
  background: var(--secondary-color);
  color: var(--white);
}

.badge-success {
  background: #c6f6d5;
  color: #22543d;
}

/* Schema markup hidden */
.schema-data {
  display: none;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-text {
    order: 1;
  }
  
  .hero-widget {
    order: 2;
    max-width: 500px;
    margin: 0 auto;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .two-col {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  .nav {
    position: relative;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    margin-top: 0.5rem;
    background: var(--white);
    flex-direction: column;
    gap: 0;
    padding: 0.75rem 0;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    z-index: 200;
  }
  
  .nav-links li {
    width: 100%;
  }
  
  .nav-links a {
    display: block;
    padding: 0.75rem 1.25rem;
  }
  
  .nav-links a::after {
    display: none;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero {
    min-height: 500px;
  }
  
  .hero-text h1 {
    font-size: 2rem;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  
  .section {
    padding: 3rem 0;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .price-table th,
  .price-table td {
    padding: 0.75rem;
    font-size: 0.9rem;
  }
  
  .cta-banner {
    padding: 2.5rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  .hero-content {
    padding: 2rem 0;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .links-grid {
    grid-template-columns: 1fr;
  }
  
  .btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }
}

/* Print Styles */
@media print {
  .header, .footer, .cta-banner, .hero-widget {
    display: none;
  }
  
  .hero {
    min-height: auto;
    padding: 2rem 0;
  }
  
  .section {
    padding: 1rem 0;
  }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* Skip to content for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-color);
  color: var(--white);
  padding: 8px;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Widget container styling */
.widget-container {
  min-height: 200px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Source reference styling */
.source-ref {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

.source-ref a {
  color: var(--text-muted);
  text-decoration: underline;
}