/* Modern CSS for Ferienwohnung Bünz - Accessible & Responsive Design */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Spinnaker&family=Inter:wght@400;500;600&display=swap');

/* ============================================
   CSS CUSTOM PROPERTIES (Variables)
   ============================================ */
:root {
  /* Colors - Refined coastal palette */
  --color-primary: #2B5F7F;
  --color-primary-light: #4A7B99;
  --color-primary-dark: #1A3D52;
  --color-accent: #C9A876;
  --color-accent-dark: #B39662;
  --color-text: #2C2C2C;
  --color-text-light: #5A5A5A;
  --color-bg: #F8F7F5;
  --color-white: #FFFFFF;
  --color-border: #E5E3DF;
  --color-cta: #B8844D;
  --color-cta-hover: #9F7241;
  --color-success: #6B9F6E;

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Spinnaker', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 70px;
  --border-radius: 8px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;

  /* Shadows */
  --shadow-sm: 0 2px 4px 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);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  margin: 0;
  padding: 0;
}

/* ============================================
   ACCESSIBILITY FEATURES
   ============================================ */

/* Skip to main content link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-sm);
  text-decoration: none;
  z-index: 100;
  border-radius: 0 0 var(--border-radius) 0;
}

.skip-link:focus {
  top: 0;
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Screen reader only content */
.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;
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin-top: var(--spacing-xl);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  max-width: 70ch; /* Optimal reading width */
}

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

a:hover {
  color: var(--color-primary-light);
  text-decoration: underline;
}

/* ============================================
   LAYOUT COMPONENTS
   ============================================ */

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

/* Header */
.site-header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 3px solid var(--color-accent);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  min-height: var(--header-height);
}

.site-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.site-logo:hover {
  color: var(--color-primary-light);
  text-decoration: none;
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-sm);
  margin: 0;
  padding: 0;
}

.nav-list a {
  padding: var(--spacing-xs) var(--spacing-md);
  color: var(--color-text);
  font-weight: 500;
  display: block;
  position: relative;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--spacing-md);
  right: var(--spacing-md);
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: center;
}

.nav-list a:hover,
.nav-list a:focus {
  color: var(--color-primary);
  text-decoration: none;
}

.nav-list a:hover::after,
.nav-list a:focus::after {
  transform: scaleX(1);
}

.nav-list a[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-list a[aria-current="page"]::after {
  transform: scaleX(1);
  background-color: var(--color-accent);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover,
.mobile-menu-toggle:focus {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.mobile-menu-toggle[aria-expanded="true"] {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Hero Section - Split Layout */
.hero-split {
  background: var(--color-bg);
  padding: var(--spacing-xl) 0 var(--spacing-lg) 0;
}

.hero-split-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
  min-height: 500px;
}

.hero-text {
  padding-right: var(--spacing-lg);
}

.hero-text h1 {
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-lg);
  font-size: clamp(2rem, 4vw, 2.5rem);
}

.hero-description {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
}

.hero-image-container {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-main-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  aspect-ratio: 4/3;
}

/* Old hero styles - kept for other pages */
.hero {
  position: relative;
  height: 60vh;
  min-height: 400px;
  max-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-white);
  max-width: 800px;
  padding: var(--spacing-xl);
  background: rgba(26, 61, 82, 0.92);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  max-width: none;
  color: rgba(255, 255, 255, 0.98);
}

/* CTA Button */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-cta);
  color: var(--color-white);
  text-decoration: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: all var(--transition-medium);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  box-shadow: var(--shadow-md);
}

.btn:hover,
.btn:focus {
  background-color: var(--color-cta-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  color: var(--color-white);
}

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

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

/* Main Content */
.main-content {
  padding: var(--spacing-lg) 0;
}

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

.content-section:first-child {
  padding-top: var(--spacing-md);
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.feature-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  border-left: 4px solid var(--color-accent);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-left-color: var(--color-primary);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  display: inline-block;
  width: 2.5rem;
  height: 2.5rem;
}

/* Lucide SVG icon styling */
.lucide {
  display: inline-block;
  width: 1em;
  height: 1em;
  stroke-width: 2;
  stroke: currentColor;
  fill: none;
  vertical-align: middle;
}

/* Section heading icons */
h2 .lucide {
  margin-right: 0.5rem;
  width: 1.2em;
  height: 1.2em;
}

/* Contact icons */
.contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-right: var(--spacing-sm);
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-icon .lucide {
  width: 1.5rem;
  height: 1.5rem;
}

.feature-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.feature-card p {
  color: var(--color-text-light);
  margin-bottom: 0;
  max-width: none;
}

/* Highlights List */
.highlights-list {
  list-style: none;
  display: grid;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.highlights-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  background: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.highlights-list li::before {
  content: "✓";
  color: var(--color-success);
  font-weight: bold;
  font-size: 1.5rem;
  flex-shrink: 0;
}

/* Image Gallery */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
}

.image-gallery-expanded {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

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

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: var(--color-white);
  padding: var(--spacing-md);
  font-size: 0.9rem;
}

/* Info Box */
.info-box {
  background: var(--color-white);
  border: 2px solid var(--color-accent);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  box-shadow: var(--shadow-md);
}

.info-box h3 {
  color: var(--color-primary);
  margin-top: 0;
}

.price-info {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  text-align: center;
}

.price-info h3 {
  color: var(--color-white);
  font-size: 1.5rem;
  text-align: center;
}

.price {
  font-size: 2.5rem;
  font-weight: bold;
  margin: var(--spacing-md) 0;
  color: var(--color-white);
  text-align: center;
}

.price-details {
  font-size: 1rem;
  opacity: 0.95;
  color: var(--color-white);
  line-height: 1.8;
  text-align: center;
  max-width: none;
  margin-left: auto;
  margin-right: auto;
}

.price-details strong {
  color: var(--color-white);
  font-weight: 600;
}

/* Footer */
.site-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  margin-top: var(--spacing-xxl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  color: var(--color-accent);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  color: var(--color-white);
}

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

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

.footer-section a {
  color: var(--color-white);
  opacity: 0.9;
  transition: opacity var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.9rem;
  color: var(--color-white);
}

.footer-bottom p {
  color: var(--color-white);
}

.footer-bottom a {
  color: var(--color-white);
  text-decoration: underline;
}

.footer-bottom a:hover {
  color: var(--color-accent);
}

/* ============================================
   WOHNUNG PAGE - FLOOR PLAN & EQUIPMENT
   ============================================ */

/* Floor Plan */
.floor-plan-container {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.floor-plan-image {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.floor-plan-caption {
  font-style: italic;
  color: var(--color-text-light);
  margin: 0;
}

/* Room Showcase - Row-based Layout */
.room-showcase {
  margin-bottom: var(--spacing-xxl);
}

.room-showcase-text {
  margin-bottom: var(--spacing-lg);
}

.room-showcase-text h3 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-primary);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.room-showcase-text h3 i {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}

.room-showcase-text p {
  color: var(--color-text);
  line-height: 1.8;
  max-width: none;
}

/* Feature List in Cards */
.feature-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-md) 0 0 0;
}

.feature-list li {
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  position: relative;
  color: var(--color-text-light);
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
}

.btn-group {
  display: flex;
  flex-direction: row;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 600px) {
  .btn-group {
    flex-direction: column;
    gap: 1.25rem;
    justify-content: center;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  /* Mobile navigation */
  .mobile-menu-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
  }

  .main-nav[aria-hidden="false"] {
    max-height: 500px;
  }

  .nav-list {
    flex-direction: column;
    padding: var(--spacing-md);
  }

  .nav-list a {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
  }

  /* Adjust spacing */
  :root {
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
  }

  /* Hero split responsive */
  .hero-split {
    padding: var(--spacing-lg) 0;
  }

  .hero-split-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    min-height: auto;
  }

  .hero-text {
    padding-right: 0;
    text-align: center;
  }

  .hero-text h1 {
    font-size: 1.75rem;
  }

  .hero-description {
    max-width: none;
  }

  /* Old hero styles */
  .hero {
    height: 50vh;
    min-height: 300px;
  }

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

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

  .image-gallery,
  .image-gallery-expanded {
    grid-template-columns: 1fr;
  }

  /* Wohnung page responsive */
  .room-showcase-text h3 {
    font-size: 1.25rem;
  }

  .floor-plan-container {
    padding: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .price {
    font-size: 2rem;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .site-header,
  .mobile-menu-toggle,
  .btn,
  .site-footer {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  a {
    text-decoration: underline;
  }

  .hero {
    height: auto;
    page-break-after: avoid;
  }
}