/* ============================================
   AI Toolkit Store - Responsive Stylesheet
   Mobile-first responsive design with breakpoints
   ============================================ */

/* ============================================
   Breakpoint Variables
   Mobile: < 768px (default)
   Tablet: 768px - 1024px
   Desktop: > 1024px
   ============================================ */

/* ============================================
   Mobile Styles (Base - Mobile First)
   ============================================ */

/* Mobile Navigation Toggle */
@media (max-width: 1023px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .main-nav {
    display: none;
  }
}

/* ============================================
   Small Mobile Devices (< 480px)
   ============================================ */
@media (max-width: 479px) {
  /* Typography Adjustments */
  :root {
    --font-size-6xl: 2.5rem;    /* 40px */
    --font-size-5xl: 2rem;      /* 32px */
    --font-size-4xl: 1.75rem;   /* 28px */
    --font-size-3xl: 1.5rem;    /* 24px */
  }
  
  /* Container Padding */
  .container {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }
  
  /* Header */
  .site-header {
    height: 64px;
  }
  
  .header-content {
    height: 64px;
  }
  
  .logo-text {
    font-size: var(--font-size-base);
  }
  
  /* Hero Section */
  .hero {
    padding: var(--spacing-3xl) 0;
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xl);
  }
  
  .hero-cta {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .hero-cta .btn {
    width: 100%;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .stat-number {
    font-size: var(--font-size-3xl);
  }
  
  /* Section Spacing */
  section {
    padding: var(--spacing-3xl) 0;
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .section-subtitle {
    font-size: var(--font-size-base);
  }
  
  /* Products Grid - Single Column */
  .products-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  /* Bundles Grid - Single Column */
  .bundles-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .bundle-card {
    padding: var(--spacing-lg);
  }
  
  .bundle-price {
    font-size: var(--font-size-3xl);
  }
  
  /* Features Grid - Single Column */
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .feature-card {
    padding: var(--spacing-lg);
  }
  
  .feature-icon {
    width: 64px;
    height: 64px;
  }
  
  .feature-icon svg {
    width: 32px;
    height: 32px;
  }
  
  /* Testimonials Grid - Single Column */
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .testimonial-card {
    padding: var(--spacing-lg);
  }
  
  .testimonial-text {
    font-size: var(--font-size-base);
  }
  
  /* CTA Section */
  .cta-title {
    font-size: var(--font-size-3xl);
  }
  
  .cta-subtitle {
    font-size: var(--font-size-base);
  }
  
  .cta-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .cta-buttons .btn {
    width: 100%;
  }
  
  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
}

/* ============================================
   Mobile Devices (480px - 767px)
   ============================================ */
@media (min-width: 480px) and (max-width: 767px) {
  /* Typography Adjustments */
  :root {
    --font-size-6xl: 3rem;      /* 48px */
    --font-size-5xl: 2.5rem;    /* 40px */
    --font-size-4xl: 2rem;      /* 32px */
  }
  
  /* Container */
  .container {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
  
  /* Hero Section */
  .hero {
    padding: var(--spacing-4xl) 0;
  }
  
  .hero-title {
    font-size: var(--font-size-5xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  /* Products Grid - Single Column */
  .products-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  /* Bundles Grid - Single Column */
  .bundles-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  /* Features Grid - Single Column */
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  /* Testimonials Grid - Single Column */
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }
}

/* ============================================
   Tablet Devices (768px - 1023px)
   ============================================ */
@media (min-width: 768px) and (max-width: 1023px) {
  /* Container */
  .container {
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
  }
  
  /* Hero Section */
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
  }
  
  /* Products Grid - 2 Columns */
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }
  
  /* Bundles Grid - 2 Columns for first two, full width for third */
  .bundles-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }
  
  .bundle-card:last-child {
    grid-column: 1 / -1;
    max-width: 600px;
    margin: 0 auto;
  }
  
  /* Features Grid - 2 Columns */
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }
  
  /* Testimonials Grid - 2 Columns */
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }
  
  /* Footer - 2 Columns */
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
  }
  
  .footer-section:first-child {
    grid-column: 1 / -1;
  }
}

/* ============================================
   Desktop Devices (1024px - 1279px)
   ============================================ */
@media (min-width: 1024px) and (max-width: 1279px) {
  /* Products Grid - 3 Columns */
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }
  
  /* Bundles Grid - 3 Columns */
  .bundles-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }
  
  /* Features Grid - 3 Columns */
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
  }
  
  /* Footer - 4 Columns */
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
  }
}

/* ============================================
   Large Desktop (1280px+)
   ============================================ */
@media (min-width: 1280px) {
  /* Default styles from main.css apply */
  /* Additional enhancements for large screens */
  
  .hero-title {
    font-size: var(--font-size-6xl);
  }
  
  .section-title {
    font-size: var(--font-size-4xl);
  }
}

/* ============================================
   Touch Device Optimizations
   ============================================ */
@media (hover: none) and (pointer: coarse) {
  /* Increase touch target sizes */
  .btn {
    min-height: 44px;
    padding: var(--spacing-md) var(--spacing-xl);
  }
  
  .nav-link {
    padding: var(--spacing-md) 0;
  }
  
  .mobile-nav-link {
    padding: var(--spacing-lg) var(--spacing-lg);
  }
  
  .cart-button {
    width: 48px;
    height: 48px;
  }
  
  .mobile-menu-toggle {
    width: 48px;
    height: 48px;
  }
  
  /* Remove hover effects on touch devices */
  .product-card:hover,
  .bundle-card:hover,
  .feature-card:hover,
  .testimonial-card:hover {
    transform: none;
  }
  
  .product-card:hover .product-image img {
    transform: none;
  }
  
  /* Add active states instead */
  .btn:active {
    transform: scale(0.98);
  }
  
  .product-card:active {
    transform: scale(0.98);
  }
}

/* ============================================
   Landscape Orientation (Mobile)
   ============================================ */
@media (max-width: 767px) and (orientation: landscape) {
  .hero {
    padding: var(--spacing-2xl) 0;
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
  }
  
  .stat-number {
    font-size: var(--font-size-2xl);
  }
  
  .stat-label {
    font-size: var(--font-size-xs);
  }
  
  section {
    padding: var(--spacing-2xl) 0;
  }
}

/* ============================================
   High Resolution Displays (Retina)
   ============================================ */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Optimize for high-DPI displays */
  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  /* Ensure crisp borders */
  .product-card,
  .bundle-card,
  .feature-card,
  .testimonial-card {
    border: 1px solid rgba(0, 0, 0, 0.05);
  }
}

/* ============================================
   Reduced Motion Preference
   ============================================ */
@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;
  }
  
  .product-card:hover,
  .bundle-card:hover,
  .feature-card:hover,
  .testimonial-card:hover,
  .btn:hover,
  .social-link:hover {
    transform: none;
  }
}

/* ============================================
   Print Optimizations
   ============================================ */
@media print {
  /* Hide interactive elements */
  .site-header,
  .mobile-nav,
  .hero-cta,
  .add-to-cart,
  .btn,
  .cta-section,
  .mobile-menu-toggle,
  .cart-button {
    display: none !important;
  }
  
  /* Optimize layout for print */
  .container {
    max-width: 100%;
    padding: 0;
  }
  
  .products-grid,
  .bundles-grid,
  .features-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .product-card,
  .bundle-card,
  .feature-card,
  .testimonial-card {
    page-break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--color-gray-300);
  }
  
  /* Ensure readable text */
  body {
    font-size: 12pt;
    line-height: 1.5;
    color: #000;
  }
  
  h1 { font-size: 24pt; }
  h2 { font-size: 20pt; }
  h3 { font-size: 16pt; }
  h4 { font-size: 14pt; }
  
  /* Show URLs for links */
  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 10pt;
    color: #666;
  }
  
  /* Optimize images */
  img {
    max-width: 100%;
    page-break-inside: avoid;
  }
}

/* ============================================
   Specific Component Responsive Adjustments
   ============================================ */

/* Product Cards - Mobile Optimization */
@media (max-width: 767px) {
  .product-image {
    height: 200px;
  }
  
  .product-name {
    font-size: var(--font-size-lg);
  }
  
  .product-footer {
    flex-direction: column;
    align-items: stretch;
  }
  
  .product-footer .btn {
    width: 100%;
  }
  
  .product-price {
    text-align: center;
    margin-bottom: var(--spacing-sm);
  }
}

/* Bundle Cards - Mobile Optimization */
@media (max-width: 767px) {
  .bundle-pricing {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .bundle-price {
    font-size: var(--font-size-3xl);
  }
  
  .bundle-original-price {
    font-size: var(--font-size-lg);
  }
}

/* Navigation - Tablet Optimization */
@media (min-width: 768px) and (max-width: 1023px) {
  .nav-list {
    gap: var(--spacing-md);
  }
  
  .nav-link {
    font-size: var(--font-size-sm);
  }
}

/* Hero Stats - Responsive Adjustments */
@media (max-width: 767px) {
  .hero-stats {
    padding-top: var(--spacing-xl);
  }
}

/* Footer - Mobile Optimization */
@media (max-width: 767px) {
  .footer-section {
    text-align: center;
  }
  
  .footer-links {
    align-items: center;
  }
  
  .social-links {
    justify-content: center;
  }
}

/* ============================================
   Utility Classes for Responsive Display
   ============================================ */
@media (max-width: 767px) {
  .hide-mobile {
    display: none !important;
  }
}

@media (min-width: 768px) {
  .show-mobile {
    display: none !important;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hide-tablet {
    display: none !important;
  }
}

@media (min-width: 1024px) {
  .hide-desktop {
    display: none !important;
  }
}

/* ============================================
   Container Responsive Adjustments
   ============================================ */
@media (max-width: 479px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

@media (min-width: 480px) and (max-width: 767px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* ============================================
   Accessibility - Focus Visible Enhancement
   ============================================ */
@media (min-width: 1024px) {
  /* Enhanced focus states for keyboard navigation on desktop */
  a:focus-visible,
  button:focus-visible,
  .btn:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
  }
}

/* Made with Bob */