/* ============================================
   Solo Software - Responsive Styles
   Mobile-first approach with breakpoints
   ============================================ */

/* ============================================
   Mobile Base Styles (< 768px)
   Default styles in main.css are mobile-first
   ============================================ */

/* Mobile-specific adjustments */
@media (max-width: 767px) {
  :root {
    --container-padding: 16px;
    --font-size-xxxl: 32px;
    --font-size-xxl: 24px;
    --font-size-xl: 20px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
  }

  /* Navigation - Mobile Menu */
  .site-header .container {
    flex-wrap: wrap;
  }

  .site-nav ul {
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
  }

  .site-nav {
    width: 100%;
  }

  /* Hero Section */
  .hero {
    padding: var(--spacing-xl) 0;
  }

  .hero h1 {
    font-size: var(--font-size-xxl);
  }

  .hero p {
    font-size: var(--font-size-base);
  }

  /* App Grid */
  .app-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
  }

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

  /* Features Grid */
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  /* Buttons */
  .btn {
    width: 100%;
    display: block;
  }

  .btn + .btn {
    margin-top: var(--spacing-xs);
  }
}

/* ============================================
   Tablet Styles (768px - 1024px)
   ============================================ */
@media (min-width: 768px) and (max-width: 1024px) {
  :root {
    --container-padding: 24px;
    --font-size-xxxl: 40px;
    --font-size-xxl: 28px;
  }

  /* App Grid */
  .app-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Features Grid */
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Footer */
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   Desktop Styles (> 1024px)
   ============================================ */
@media (min-width: 1025px) {
  /* Navigation - Horizontal */
  .site-nav ul {
    flex-direction: row;
  }

  /* App Grid */
  .app-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Features Grid */
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Two-column layouts */
  .two-column-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
  }

  /* Content sections with max width */
  .content-narrow {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ============================================
   Large Desktop (> 1440px)
   ============================================ */
@media (min-width: 1441px) {
  :root {
    --container-max-width: 1400px;
    --font-size-xxxl: 56px;
    --font-size-xxl: 36px;
  }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .site-header,
  .site-footer,
  .dark-mode-toggle,
  .btn {
    display: none;
  }

  body {
    background-color: white;
    color: black;
  }

  a {
    color: black;
    text-decoration: underline;
  }
}

/* ============================================
   Reduced Motion
   ============================================ */
@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;
  }
}

/* ============================================
   High Contrast Mode
   ============================================ */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --shadow-small: none;
    --shadow-medium: none;
    --shadow-large: none;
  }

  .app-card {
    border: 2px solid var(--border-color);
  }

  .btn {
    border: 2px solid currentColor;
  }
}