/* ========================================
   Hiroshima Tours - Main Stylesheet
   Mobile-first responsive design
   ======================================== */

/* CSS Variables */
:root {
  /* Colors - Japanese-inspired palette */
  --color-primary: #C41E3A;
  --color-primary-dark: #9A1830;
  --color-primary-light: #E8354F;
  --color-secondary: #2C3E50;
  --color-accent: #D4A574;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8F9FA;
  --color-bg-dark: #1A1A2E;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #888888;
  --color-border: #E0E0E0;
  --color-success: #28A745;
  --color-warning: #FFC107;

  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-heading: Georgia, "Times New Roman", serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

  /* Container */
  --container-max: 1200px;
  --container-narrow: 800px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

@media (min-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.75rem; }
}

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

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

.container-narrow {
  max-width: var(--container-narrow);
}

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
  gap: var(--spacing-md);
}

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

.logo svg {
  width: 40px;
  height: 40px;
}

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

/* Navigation */
.nav {
  display: none;
}

.nav.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-md);
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  list-style: none;
}

.nav-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.nav-link:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }

  .nav-list {
    flex-direction: row;
    gap: var(--spacing-xs);
  }

  .mobile-menu-btn {
    display: none;
  }
}

/* Mobile Menu Button */
.mobile-menu-btn {
  background: none;
  border: none;
  padding: var(--spacing-sm);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-fast);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Language Switcher */
.lang-switcher {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
}

.lang-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  min-width: 120px;
  z-index: 100;
}

.lang-dropdown.active {
  display: block;
}

.lang-option {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  font-size: 0.875rem;
  transition: background var(--transition-fast);
}

.lang-option:hover {
  background: var(--color-bg-alt);
}

.lang-option.current {
  background: var(--color-bg-alt);
  font-weight: 600;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

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

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

.btn-secondary:hover {
  background: #1a252f;
  color: white;
}

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

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

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

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.875rem;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.5), rgba(0,0,0,0.7));
}

.hero-content {
  position: relative;
  z-index: 1;
  color: white;
  text-align: center;
  padding: var(--spacing-2xl) 0;
}

.hero h1 {
  color: white;
  font-size: 2.25rem;
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
}

@media (min-width: 480px) {
  .hero-actions {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 768px) {
  .hero {
    min-height: 70vh;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }
}

/* ========================================
   Quick Summary Table
   ======================================== */
.quick-summary {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.quick-summary h2 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

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

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

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

.summary-table th,
.summary-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
}

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

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

.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.badge-success {
  background: #d4edda;
  color: #155724;
}

.badge-warning {
  background: #fff3cd;
  color: #856404;
}

/* ========================================
   Content Sections
   ======================================== */
.section {
  padding: var(--spacing-2xl) 0;
}

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

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

.section-title h2 {
  margin-bottom: var(--spacing-sm);
}

.section-title p {
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* Content */
.content {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.content h2 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
}

.content h3 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.content ul, .content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.content li {
  margin-bottom: var(--spacing-sm);
}

.content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  color: var(--color-text-light);
}

/* ========================================
   Cards
   ======================================== */
.card-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 480px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.card-image {
  aspect-ratio: 16/10;
  overflow: hidden;
}

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

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

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

.card-title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.card-text {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-md);
}

/* ========================================
   Ticket Comparison Table
   ======================================== */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
  font-size: 0.9rem;
}

.comparison-table th,
.comparison-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  background: var(--color-bg-alt);
  font-weight: 600;
}

.comparison-table tr:hover td {
  background: var(--color-bg-alt);
}

.comparison-table .highlight {
  background: #fff8e6;
}

.price {
  font-weight: 700;
  color: var(--color-primary);
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-list {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-secondary);
}

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

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

.faq-answer {
  display: none;
  padding-top: var(--spacing-md);
  color: var(--color-text-light);
}

.faq-item.active .faq-answer {
  display: block;
}

/* ========================================
   Tips Box
   ======================================== */
.tips-box {
  background: linear-gradient(135deg, #fff8e6, #fff);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.tips-box h3 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

.tips-box ul {
  margin: 0;
}

/* Expert Tip */
.expert-tip {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  display: flex;
  gap: var(--spacing-md);
}

.expert-avatar {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.expert-content h4 {
  margin-bottom: var(--spacing-xs);
}

.expert-content p {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
}

.expert-quote {
  font-style: italic;
  position: relative;
  padding-left: var(--spacing-md);
}

.expert-quote::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -5px;
  font-size: 2rem;
  color: var(--color-primary);
  opacity: 0.3;
}

/* ========================================
   Widget Container
   ======================================== */
.widget-container {
  margin: var(--spacing-2xl) 0;
  padding: var(--spacing-lg);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
}

.widget-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

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

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

.cta-banner p {
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

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

.cta-banner .btn:hover {
  background: var(--color-bg-alt);
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--color-bg-dark);
  color: white;
  padding: var(--spacing-2xl) 0 var(--spacing-md);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
  font-weight: 700;
}

.footer-brand svg {
  width: 36px;
  height: 36px;
}

.footer-about {
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  line-height: 1.7;
}

.footer-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: white;
}

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

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

.footer-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.disclaimer {
  background: rgba(255,255,255,0.05);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-md);
  font-size: 0.75rem;
  line-height: 1.6;
}

/* ========================================
   Source Reference
   ======================================== */
.source-ref {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ========================================
   Utilities
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-md); }
.mt-2 { margin-top: var(--spacing-xl); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-md); }
.mb-2 { margin-bottom: var(--spacing-xl); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* GetYourGuide Widget Styling */
[data-gyg-widget] {
  min-height: 300px;
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .cta-banner,
  .btn,
  .widget-container {
    display: none;
  }

  body {
    font-size: 12pt;
    color: black;
    background: white;
  }
}