/* HOTLINE 2026SS Catalog Styles */

/* ===================================
   CSS Custom Properties (Design Tokens)
   =================================== */
:root {
  /* Colors - Dark palette with mint accent */
  --color-bg-primary: #0a0a0a;
  --color-bg-secondary: #1a1a1a;
  --color-bg-tertiary: #2a2a2a;
  --color-text-primary: #ffffff;
  --color-text-secondary: #c0c0c0;  /* Improved contrast from #b0b0b0 for WCAG AA */
  --color-accent: #7fffd4;        /* HOTLINE mint/aqua accent */
  --color-border: #333333;
  
  /* Typography */
  --font-primary: 'Inter', 'Manrope', sans-serif;
  --font-japanese: 'Noto Sans JP', sans-serif;
  --font-size-base: 16px;
  --font-size-small: 0.875rem;
  --font-size-h1: 3rem;
  --font-size-h2: 2rem;
  --font-size-h3: 1.5rem;
  --font-size-h4: 1.25rem;
  --line-height-base: 1.6;
  --line-height-heading: 1.2;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Layout */
  --max-width: 1200px;
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --transition-speed: 0.3s;
  --navbar-height: 60px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
}

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

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

/* Japanese text styling */
:lang(ja) {
  font-family: var(--font-japanese);
}

/* ===================================
   Accessibility - Focus Styles
   =================================== */
/* Enhanced focus styles for keyboard navigation */
*:focus {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

*:focus:not(:focus-visible) {
  outline: none;
}

*:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Ensure interactive elements have visible focus indicators */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* Skip to main content link for screen readers */
.skip-to-main {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: var(--color-bg-primary);
  padding: 8px 16px;
  text-decoration: none;
  font-weight: 600;
  z-index: 10000;
}

.skip-to-main:focus {
  top: 0;
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-heading);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: var(--font-size-h1);
}

h2 {
  font-size: var(--font-size-h2);
}

h3 {
  font-size: var(--font-size-h3);
}

h4 {
  font-size: var(--font-size-h4);
}

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

/* Ensure links have sufficient color contrast */
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity var(--transition-speed);
}

a:hover {
  opacity: 0.8;
}

a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* Improve link visibility for accessibility */
a:not(.btn):not(.btn-pdf):not(.btn-dealer) {
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color var(--transition-speed), opacity var(--transition-speed);
}

a:not(.btn):not(.btn-pdf):not(.btn-dealer):hover,
a:not(.btn):not(.btn-pdf):not(.btn-dealer):focus {
  text-decoration-color: var(--color-accent);
}

/* ===================================
   Responsive Breakpoints
   =================================== */

/* Mobile-first base styles are defined above */

/* Extra small mobile (320px) */
@media (max-width: 374px) {
  :root {
    --font-size-h1: 2rem;
    --font-size-h2: 1.5rem;
    --font-size-h3: 1.25rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
  }
}

/* Small mobile (375px) */
@media (min-width: 375px) and (max-width: 767px) {
  :root {
    --font-size-h1: 2.5rem;
    --font-size-h2: 1.75rem;
    --font-size-h3: 1.375rem;
  }
}

/* Tablet and above (768px+) */
@media (min-width: 768px) {
  :root {
    --font-size-h1: 4rem;
    --font-size-h2: 2.5rem;
    --font-size-h3: 1.75rem;
  }
}

/* Desktop and above (1024px+) */
@media (min-width: 1024px) {
  :root {
    --font-size-h1: 4.5rem;
    --font-size-h2: 3rem;
    --spacing-lg: 5rem;
    --spacing-xl: 8rem;
  }
}

/* Large desktop (1440px+) */
@media (min-width: 1440px) {
  :root {
    --font-size-h1: 5rem;
    --spacing-xl: 10rem;
  }
}

/* Extra large desktop (1920px+) */
@media (min-width: 1920px) {
  :root {
    --max-width: 1400px;
  }
}

/* ===================================
   Utility Classes
   =================================== */

/* Prevent overflow on all elements */
* {
  max-width: 100%;
}

/* Allow specific elements to be full width */
html,
body,
.hero,
.navbar,
section {
  max-width: none;
}

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

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

/* Spacing utilities */
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.py-sm { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-lg { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }

/* Text utilities */
.text-center { text-align: center; }
.text-secondary { color: var(--color-text-secondary); }

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

/* Button base styles */
button,
.btn {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition-speed);
}

button:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* Ensure touch-friendly sizes on mobile */
@media (max-width: 767px) {
  button,
  .btn,
  a {
    min-height: 44px;
    min-width: 44px;
  }
}

/* ===================================
   Navigation Bar
   =================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: var(--navbar-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--spacing-sm);
  background-color: rgba(0, 0, 0, 0);
  transition: background-color var(--transition-speed);
  z-index: 1000;
}

.navbar.scrolled {
  background-color: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
}

.navbar-brand {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
}

.navbar-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  margin: 0;
  padding: 0;
}

.navbar-links li {
  margin: 0;
}

.navbar-links a {
  color: var(--color-text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: var(--spacing-xs) var(--spacing-sm);
  transition: color var(--transition-speed);
}

.navbar-links a:hover {
  color: var(--color-accent);
  opacity: 1;
}

.navbar-links a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--border-radius-sm);
}

/* Mobile responsive navbar */
@media (max-width: 374px) {
  .navbar {
    padding: 0 0.5rem;
  }
  
  .navbar-brand {
    font-size: 0.875rem;
  }
  
  .navbar-links {
    gap: 0.5rem;
  }
  
  .navbar-links a {
    font-size: 0.6875rem;
    padding: 0.5rem 0.375rem;
  }
}

@media (min-width: 375px) and (max-width: 767px) {
  .navbar {
    padding: 0 var(--spacing-sm);
  }
  
  .navbar-brand {
    font-size: 1rem;
  }
  
  .navbar-links {
    gap: var(--spacing-sm);
  }
  
  .navbar-links a {
    font-size: 0.75rem;
    padding: var(--spacing-xs);
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

@media (min-width: 768px) {
  .navbar {
    padding: 0 var(--spacing-md);
  }
}

@media (min-width: 1024px) {
  .navbar {
    padding: 0 var(--spacing-lg);
  }
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 25%, #7dd3fc 75%, #bae6fd 100%);
  overflow: hidden;
}

/* Add subtle overlay for depth */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(30, 60, 114, 0.2) 100%);
  z-index: 1;
}

/* Wave Animation */
.waves {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 40%;
  z-index: 0;
  pointer-events: none;
}

.wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  animation: wave-animation 12s ease-in-out infinite;
}

.wave-2 {
  animation: wave-animation 15s ease-in-out infinite reverse;
  animation-delay: -2s;
}

.wave-3 {
  animation: wave-animation 18s ease-in-out infinite;
  animation-delay: -4s;
}

@keyframes wave-animation {
  0%, 100% {
    transform: translateX(0) translateY(0);
  }
  25% {
    transform: translateX(-5%) translateY(-3%);
  }
  50% {
    transform: translateX(-10%) translateY(0);
  }
  75% {
    transform: translateX(-5%) translateY(3%);
  }
}

/* Respect prefers-reduced-motion for wave animation */
@media (prefers-reduced-motion: reduce) {
  .wave {
    animation: none;
  }
}

.hero-content {
  position: absolute;
  bottom: var(--spacing-lg);
  right: var(--spacing-md);
  text-align: right;
  z-index: 2;
}

.hero-tagline {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
  text-shadow: 2px 2px 12px rgba(0, 0, 0, 0.9), 0 0 20px rgba(0, 0, 0, 0.7);
  color: var(--color-text-primary);
}

.hero-season {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--color-text-secondary);
  text-shadow: 1px 1px 8px rgba(0, 0, 0, 0.9), 0 0 15px rgba(0, 0, 0, 0.7);
  margin: 0;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-primary);
  opacity: 0.8;
  animation: float-bounce 3s ease-in-out infinite;
  z-index: 2;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--spacing-sm);
  transition: opacity var(--transition-speed), transform var(--transition-speed);
}

.scroll-indicator svg {
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
}

.scroll-text {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}

.scroll-indicator:hover {
  opacity: 1;
  transform: translateX(-50%) translateY(-3px);
}

.scroll-indicator:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
  opacity: 1;
}

@keyframes float-bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0) rotate(-2deg);
  }
  25% {
    transform: translateX(-50%) translateY(-8px) rotate(0deg);
  }
  50% {
    transform: translateX(-50%) translateY(0) rotate(2deg);
  }
  75% {
    transform: translateX(-50%) translateY(-4px) rotate(0deg);
  }
}

/* Respect prefers-reduced-motion for scroll indicator */
@media (prefers-reduced-motion: reduce) {
  .scroll-indicator {
    animation: none;
  }
  
  .scroll-indicator:hover {
    transform: translateX(-50%);
  }
}

/* Mobile responsive hero */
@media (max-width: 374px) {
  .hero-content {
    bottom: var(--spacing-sm);
    right: var(--spacing-xs);
    left: var(--spacing-xs);
    text-align: center;
  }
  
  .hero-tagline {
    font-size: 1.75rem;
  }
  
  .hero-season {
    font-size: 0.6875rem;
  }
  
  .scroll-indicator {
    bottom: var(--spacing-sm);
    font-size: 1.5rem;
  }
}

@media (min-width: 375px) and (max-width: 767px) {
  .hero-content {
    bottom: var(--spacing-md);
    right: var(--spacing-sm);
    left: var(--spacing-sm);
    text-align: center;
  }
  
  .hero-tagline {
    font-size: 2rem;
  }
  
  .hero-season {
    font-size: 0.75rem;
  }
}

@media (min-width: 768px) {
  .hero-tagline {
    font-size: 3.5rem;
  }
  
  .hero-season {
    font-size: 1rem;
  }
}

@media (min-width: 1024px) {
  .hero-content {
    bottom: var(--spacing-xl);
    right: var(--spacing-lg);
  }
  
  .hero-tagline {
    font-size: 4rem;
  }
}

@media (min-width: 1440px) {
  .hero-tagline {
    font-size: 5rem;
  }
}

@media (min-width: 1920px) {
  .hero-tagline {
    font-size: 5.5rem;
  }
}
/* ===================================
   Highlights Section
   =================================== */
.highlights {
  padding: var(--spacing-lg) var(--spacing-sm);
  background-color: var(--color-bg-secondary);
}

.highlight-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  max-width: var(--max-width);
  margin: 0 auto;
}

.highlight-item {
  text-align: center;
  padding: var(--spacing-md);
  background-color: var(--color-bg-tertiary);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.highlight-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* Respect prefers-reduced-motion for highlight hover */
@media (prefers-reduced-motion: reduce) {
  .highlight-item:hover {
    transform: none;
  }
}

.highlight-image {
  width: 100%;
  height: auto;
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius);
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.highlight-item h3 {
  font-size: var(--font-size-h4);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.highlight-item p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-base);
  margin: 0;
}

/* Tablet and above - 3 columns */
@media (min-width: 768px) {
  .highlights {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .highlight-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
  }
  
  .highlight-item {
    padding: var(--spacing-md) var(--spacing-sm);
  }
}

/* Desktop and above */
@media (min-width: 1024px) {
  .highlights {
    padding: var(--spacing-xl) var(--spacing-lg);
  }
  
  .highlight-grid {
    gap: var(--spacing-lg);
  }
  
  .highlight-item {
    padding: var(--spacing-lg) var(--spacing-md);
  }
}

/* Large desktop */
@media (min-width: 1440px) {
  .highlights {
    padding: calc(var(--spacing-xl) * 1.5) var(--spacing-lg);
  }
}

/* Extra large desktop */
@media (min-width: 1920px) {
  .highlight-grid {
    max-width: 1400px;
  }
}
/* ===================================
   Models Section
   =================================== */
.models {
  padding: var(--spacing-lg) var(--spacing-sm);
  background-color: var(--color-bg-primary);
}

.section-title {
  text-align: center;
  font-size: var(--font-size-h2);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}

.models-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Tablet and above - 2-3 columns */
@media (min-width: 768px) {
  .models {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .models-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

/* Desktop and above */
@media (min-width: 1024px) {
  .models {
    padding: var(--spacing-xl) var(--spacing-lg);
  }
  
  .models-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
  }
}

/* Large desktop - ensure max 3 columns */
@media (min-width: 1440px) {
  .models-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
  }
}

/* Extra large desktop */
@media (min-width: 1920px) {
  .models-grid {
    max-width: 1400px;
  }
}

/* Collection Gallery within Models Section */
.collection-gallery {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.collection-gallery .gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Mobile responsive collection gallery */
@media (max-width: 374px) {
  .collection-gallery {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
  }
  
  .collection-gallery .gallery-grid {
    gap: 1rem;
  }
}

@media (min-width: 375px) and (max-width: 767px) {
  .collection-gallery .gallery-grid {
    gap: 1.25rem;
  }
}

/* Tablet - 2 columns */
@media (min-width: 768px) {
  .collection-gallery .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

/* Desktop - 3 columns */
@media (min-width: 1024px) {
  .collection-gallery .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}

/* Large desktop - 4 columns */
@media (min-width: 1440px) {
  .collection-gallery .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
  }
}

/* Extra large desktop */
@media (min-width: 1920px) {
  .collection-gallery .gallery-grid {
    max-width: 1400px;
  }
}
/* ===================================
   Model Card Component
   =================================== */
.model-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  display: flex;
  flex-direction: column;
}

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

/* Respect prefers-reduced-motion for card hover */
@media (prefers-reduced-motion: reduce) {
  .model-card:hover {
    transform: none;
  }
}

/* Image wrapper with aspect ratio */
.model-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background-color: var(--color-bg-tertiary);
}

.model-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-speed), filter var(--transition-speed);
}

/* Image hover effect */
.model-card:hover .model-image-wrapper img {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* Respect prefers-reduced-motion for image hover */
@media (prefers-reduced-motion: reduce) {
  .model-card:hover .model-image-wrapper img {
    transform: none;
    filter: none;
  }
}

/* Model info section */
.model-info {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  flex-grow: 1;
}

.model-name {
  font-size: var(--font-size-h3);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
}

.model-tagline {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.4;
}

.model-price {
  font-size: var(--font-size-h4);
  font-weight: 600;
  color: var(--color-accent);
  margin: 0;
}

/* Size badges */
.model-sizes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin: var(--spacing-xs) 0;
}

.size-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Feature list */
.model-features {
  list-style: none;
  padding: 0;
  margin: var(--spacing-sm) 0;
  flex-grow: 1;
}

.model-features li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.model-features li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

/* PDF button */
.btn-pdf {
  display: inline-block;
  width: 100%;
  padding: 0.75rem 1.5rem;
  background-color: var(--color-accent);
  color: var(--color-bg-primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--border-radius-sm);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-speed), transform var(--transition-speed);
  text-decoration: none;
}

.btn-pdf:hover {
  background-color: #6ee5c0;
  transform: translateY(-2px);
  opacity: 1;
}

.btn-pdf:active {
  transform: translateY(0);
}

/* Disabled PDF button */
.btn-pdf:disabled {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  cursor: not-allowed;
  opacity: 0.5;
}

.btn-pdf:disabled:hover {
  background-color: var(--color-bg-tertiary);
  transform: none;
}

/* Respect prefers-reduced-motion for button hover */
@media (prefers-reduced-motion: reduce) {
  .btn-pdf:hover {
    transform: none;
  }
  
  .btn-pdf:active {
    transform: none;
  }
}

/* Mobile responsive adjustments */
@media (max-width: 374px) {
  .model-info {
    padding: 0.75rem;
  }
  
  .model-name {
    font-size: 1.125rem;
  }
  
  .model-price {
    font-size: 1rem;
  }
  
  .btn-pdf {
    padding: 0.625rem 1rem;
    font-size: 0.8125rem;
  }
}

@media (min-width: 375px) and (max-width: 767px) {
  .model-info {
    padding: var(--spacing-sm);
  }
  
  .model-name {
    font-size: 1.25rem;
  }
  
  .model-price {
    font-size: 1.125rem;
  }
}

/* Tablet and above */
@media (min-width: 768px) {
  .model-info {
    padding: var(--spacing-md);
  }
}

/* Desktop and above */
@media (min-width: 1024px) {
  .model-card:hover {
    transform: translateY(-6px);
  }
}
/* ===================================
   FAQ Section
   =================================== */
.faq {
  padding: var(--spacing-xl) var(--spacing-sm);
  background-color: var(--color-bg-secondary);
  max-width: var(--max-width);
  margin: 0 auto;
}

.faq h2 {
  font-size: var(--font-size-h2);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.faq-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.faq-item {
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  transition: box-shadow var(--transition-speed);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

.faq-item h3 {
  font-size: var(--font-size-h4);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.faq-item p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-base);
  margin: 0;
}

.faq-item a {
  color: var(--color-accent);
  text-decoration: underline;
  transition: color var(--transition-speed);
}

.faq-item a:hover {
  color: #6ee5c0;
}

@media (min-width: 768px) {
  .faq {
    padding: var(--spacing-xl) var(--spacing-md);
  }
}

@media (min-width: 1024px) {
  .faq {
    padding: var(--spacing-xl) var(--spacing-lg);
  }
}

/* ===================================
   Dealer CTA Section
   =================================== */
.dealer-cta {
  padding: var(--spacing-xl) var(--spacing-sm);
  background-color: #050505; /* Darker than main sections */
  text-align: center;
}

.dealer-cta h2 {
  font-size: var(--font-size-h2);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.btn-dealer {
  display: inline-block;
  padding: 1rem 2.5rem;
  background-color: var(--color-accent);
  color: var(--color-bg-primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--border-radius-sm);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-speed), transform var(--transition-speed), box-shadow var(--transition-speed);
  text-decoration: none;
  min-height: 44px;
  min-width: 44px;
}

.btn-dealer:hover {
  background-color: #6ee5c0;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(127, 255, 212, 0.3);
  opacity: 1;
}

.btn-dealer:active {
  transform: translateY(0);
}

.btn-dealer:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

/* Respect prefers-reduced-motion for dealer button */
@media (prefers-reduced-motion: reduce) {
  .btn-dealer:hover {
    transform: none;
  }
  
  .btn-dealer:active {
    transform: none;
  }
}

/* Mobile responsive dealer CTA */
@media (max-width: 374px) {
  .dealer-cta {
    padding: var(--spacing-md) var(--spacing-xs);
  }
  
  .dealer-cta h2 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
  }
  
  .btn-dealer {
    padding: 0.75rem 1.5rem;
    font-size: 0.75rem;
    width: 100%;
    max-width: 280px;
  }
}

@media (min-width: 375px) and (max-width: 767px) {
  .dealer-cta {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
  
  .dealer-cta h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
  }
  
  .btn-dealer {
    padding: 0.875rem 2rem;
    font-size: 0.8125rem;
    width: 100%;
    max-width: 300px;
  }
}

/* Tablet and above */
@media (min-width: 768px) {
  .dealer-cta {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .btn-dealer {
    padding: 1.125rem 3rem;
    font-size: 0.9375rem;
  }
}

/* Desktop and above */
@media (min-width: 1024px) {
  .dealer-cta {
    padding: calc(var(--spacing-xl) * 1.5) var(--spacing-lg);
  }
  
  .dealer-cta h2 {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-lg);
  }
}

/* Large desktop */
@media (min-width: 1440px) {
  .dealer-cta {
    padding: calc(var(--spacing-xl) * 2) var(--spacing-lg);
  }
}

/* Extra large desktop */
@media (min-width: 1920px) {
  .dealer-cta h2 {
    font-size: 3.5rem;
  }
}
/* ===================================
   Footer Section
   =================================== */
.footer {
  padding: var(--spacing-xl) var(--spacing-sm);
  background-color: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Past Catalogs Archive */
.footer-archive {
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.footer-archive-links {
  font-size: 0.8125rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin: 0;
  word-wrap: break-word;
}

.footer-archive-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-speed);
}

.footer-archive-links a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer-archive-links a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Social Media Links */
.footer-social {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-social li {
  margin: 0;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-speed), transform var(--transition-speed);
  padding: var(--spacing-xs);
  min-height: 44px;
  min-width: 44px;
}

.footer-social a:hover {
  color: var(--color-accent);
  transform: translateY(-2px);
}

.footer-social a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: var(--border-radius-sm);
}

.footer-social svg {
  flex-shrink: 0;
}

.footer-social-label {
  font-size: var(--font-size-small);
  font-weight: 500;
}

/* Respect prefers-reduced-motion for social links */
@media (prefers-reduced-motion: reduce) {
  .footer-social a:hover {
    transform: none;
  }
}

/* Copyright */
.footer-copyright {
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.footer-brand {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.footer-copyright p {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin: var(--spacing-xs) 0 0;
  opacity: 0.7;
}

.footer-copyright a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-speed);
}

.footer-copyright a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer-copyright a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Responsive Footer */
@media (min-width: 768px) {
  .footer {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .footer-archive-links {
    font-size: 0.875rem;
  }
  
  .footer-social {
    gap: var(--spacing-xl);
  }
}

@media (min-width: 1024px) {
  .footer {
    padding: calc(var(--spacing-xl) * 1.5) var(--spacing-lg);
  }
}
  height: 44px;
  color: var(--color-text-secondary);
  transition: color var(--transition-speed), transform var(--transition-speed);
  font-size: 1.5rem;
}

.footer-social a:hover {
  color: var(--color-accent);
  transform: translateY(-2px);
  opacity: 1;
}

.footer-social a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--border-radius-sm);
}

/* Respect prefers-reduced-motion for footer social links */
@media (prefers-reduced-motion: reduce) {
  .footer-social a:hover {
    transform: none;
  }
}

/* Mobile responsive footer */
@media (max-width: 374px) {
  .footer {
    padding: var(--spacing-sm) var(--spacing-xs);
  }
  
  .footer-brand {
    font-size: 0.875rem;
  }
  
  .footer-copyright {
    font-size: 0.6875rem;
  }
}

@media (min-width: 375px) and (max-width: 767px) {
  .footer {
    padding: var(--spacing-md) var(--spacing-sm);
  }
  
  .footer-brand {
    font-size: 1rem;
  }
  
  .footer-copyright {
    font-size: 0.75rem;
  }
}

/* Tablet and above */
@media (min-width: 768px) {
  .footer {
    padding: var(--spacing-xl) var(--spacing-md);
  }
}

/* Desktop and above */
@media (min-width: 1024px) {
  .footer {
    padding: var(--spacing-xl) var(--spacing-lg);
  }
  
  .footer-brand {
    font-size: 1.25rem;
  }
}

/* Large desktop */
@media (min-width: 1440px) {
  .footer {
    padding: calc(var(--spacing-xl) * 1.25) var(--spacing-lg);
  }
}

/* Extra large desktop */
@media (min-width: 1920px) {
  .footer-brand {
    font-size: 1.5rem;
  }
  
  .footer-copyright {
    font-size: 1rem;
  }
}


/* ===================================
   Mobile Responsiveness Enhancements
   =================================== */

/* Prevent horizontal scrolling on all viewports */
html,
body {
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

/* Ensure all sections are properly constrained */
section {
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
}

/* Ensure images don't cause overflow */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Ensure model card images maintain aspect ratio */
.model-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: none; /* Override global max-width for contained images */
}

/* Ensure text doesn't overflow */
h1, h2, h3, h4, h5, h6, p, span, div {
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

/* Ensure buttons are touch-friendly on mobile */
@media (max-width: 767px) {
  button,
  .btn,
  .btn-pdf,
  .btn-dealer,
  a.btn,
  .navbar-links a {
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  /* Ensure PDF buttons in cards are full width and touch-friendly */
  .btn-pdf {
    width: 100%;
    padding: 0.875rem 1.5rem;
  }
}

/* Improve readability on small screens */
@media (max-width: 374px) {
  body {
    font-size: 14px;
  }
  
  .model-tagline,
  .model-features li,
  .highlight-item p {
    font-size: 0.8125rem;
  }
}

/* Optimize for common mobile viewports */
@media (min-width: 375px) and (max-width: 767px) {
  body {
    font-size: 15px;
  }
}

/* Ensure proper spacing on tablet */
@media (min-width: 768px) and (max-width: 1023px) {
  body {
    font-size: 16px;
  }
  
  .container {
    padding: 0 1.5rem;
  }
}

/* Optimize for large screens */
@media (min-width: 1920px) {
  body {
    font-size: 18px;
  }
  
  .container,
  .models-grid,
  .highlight-grid {
    max-width: 1400px;
  }
}

/* Ensure grid items don't overflow */
.models-grid,
.highlight-grid {
  width: 100%;
  max-width: 100%;
}

/* Prevent navbar from causing horizontal scroll */
.navbar {
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
}

/* Ensure hero section doesn't overflow */
.hero {
  width: 100%;
  max-width: 100vw;
  position: relative;
}

.hero-content {
  max-width: 100%;
  box-sizing: border-box;
}

/* Improve touch targets for scroll indicator */
.scroll-indicator {
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Ensure size badges are readable on all screens */
.size-badge {
  white-space: nowrap;
}

/* Improve model card layout on very small screens */
@media (max-width: 374px) {
  .model-card {
    font-size: 0.875rem;
  }
  
  .model-sizes {
    gap: 0.25rem;
  }
  
  .size-badge {
    padding: 0.2rem 0.5rem;
    font-size: 0.6875rem;
  }
}

/* ===================================
   Error Message Styles
   =================================== */
.error-message {
  background-color: rgba(255, 77, 77, 0.1);
  border: 2px solid rgba(255, 77, 77, 0.5);
  border-radius: var(--border-radius);
  color: #ff9999;
  padding: var(--spacing-md);
  margin: var(--spacing-md) auto;
  max-width: 600px;
  text-align: center;
  font-size: 1.1rem;
  line-height: var(--line-height-base);
}

.error-message::before {
  content: '⚠️ ';
  font-size: 1.5rem;
  display: block;
  margin-bottom: var(--spacing-xs);
}


/* ===================================
   Gallery Section
   =================================== */
.gallery {
  padding: var(--spacing-lg) var(--spacing-sm);
  background-color: var(--color-bg-secondary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.gallery-item {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-tertiary);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  cursor: pointer;
}

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

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-speed), filter var(--transition-speed);
}

.gallery-item:hover img {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  padding: var(--spacing-md);
  opacity: 0;
  transition: opacity var(--transition-speed);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-label {
  color: var(--color-text-primary);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Respect prefers-reduced-motion for gallery */
@media (prefers-reduced-motion: reduce) {
  .gallery-item:hover {
    transform: none;
  }
  
  .gallery-item:hover img {
    transform: none;
    filter: none;
  }
}

/* Mobile responsive gallery */
@media (max-width: 374px) {
  .gallery {
    padding: var(--spacing-md) var(--spacing-xs);
  }
  
  .gallery-grid {
    gap: 1rem;
  }
}

@media (min-width: 375px) and (max-width: 767px) {
  .gallery {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
  
  .gallery-grid {
    gap: 1.25rem;
  }
}

/* Tablet - 2 columns */
@media (min-width: 768px) {
  .gallery {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

/* Desktop - 3 columns */
@media (min-width: 1024px) {
  .gallery {
    padding: var(--spacing-xl) var(--spacing-lg);
  }
  
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}

/* Large desktop - 4 columns */
@media (min-width: 1440px) {
  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
  }
}

/* Extra large desktop */
@media (min-width: 1920px) {
  .gallery-grid {
    max-width: 1400px;
  }
}