/*
 * GDGPS Responsive Styles
 * Mobile-first media queries for responsive design
 * Breakpoints: 576px, 768px, 992px, 1200px, 1400px
 */

/* ===================================
   LARGE DESKTOP (≥1400px)
   =================================== */
@media (min-width: 1400px) {
  .container-fluid {
    max-width: 1320px;
    margin: 0 auto;
  }

  h1 {
    font-size: 2.75rem;
  }

  .section-title {
    font-size: 2rem;
  }
}

/* ===================================
   DESKTOP (≥1200px)
   =================================== */
@media (min-width: 1200px) and (max-width: 1399px) {
  .container-fluid {
    max-width: 1140px;
    margin: 0 auto;
  }

  h1 {
    font-size: 2.5rem;
  }
}

/* ===================================
   LARGE TABLET / SMALL DESKTOP (≥992px and <1200px)
   =================================== */
@media (min-width: 992px) and (max-width: 1199px) {
  .container-fluid {
    max-width: 960px;
    margin: 0 auto;
  }

  h1 {
    font-size: 2.25rem;
  }

  h2 {
    font-size: 1.85rem;
  }

  .navbar-dark .navbar-nav .nav-link {
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
  }

  .products-sidebar {
    font-size: 0.875rem;
  }
}

/* ===================================
   TABLET LANDSCAPE & BELOW (<992px)
   =================================== */
@media (max-width: 991px) {
  /* Hide desktop sidebar, show accordion */
  .products-sidebar {
    display: none !important;
  }

  .products-accordion {
    display: block !important;
  }

  /* Adjust main content to full width */
  #main-content .col-lg-9 {
    width: 100%;
  }

  /* Navigation adjustments */
  .navbar-collapse {
    background-color: var(--jpl-blue);
    padding: 1rem;
    margin-top: 0.5rem;
    border-radius: 0.375rem;
  }

  .navbar-dark .navbar-nav .nav-link {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .navbar-dark .navbar-nav .nav-link.active {
    /* Borders removed per user request */
  }

  .navbar-dark .navbar-nav .dropdown-menu {
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    margin-left: 1rem;
  }

  .navbar-dark .navbar-nav .dropdown-item {
    color: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 1rem;
  }

  .navbar-dark .navbar-nav .dropdown-item:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
  }

  /* Typography adjustments */
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  /* Map section */
  .map-title {
    font-size: 1.1rem;
    padding: 0.6rem 0.75rem;
  }

  .map-container {
    padding: 1.5rem 0.75rem;
  }
}

/* ===================================
   TABLET PORTRAIT (≥768px and <992px)
   =================================== */
@media (min-width: 768px) and (max-width: 991px) {
  .container-fluid {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  /* JPL Top Bar adjustments */
  #jpl-topbar .jpl-links {
    gap: 0.75rem;
    font-size: 0.8rem;
  }

  /* GDGPS Header */
  .gdgps-logo {
    height: 50px;
  }

  .gdgps-title {
    font-size: 1.25rem;
  }

  /* Hero Banner */
  .hero-banner img {
    max-height: 300px;
    object-fit: cover;
    object-position: center;
  }

  /* Footer adjustments */
  .footer-nav-nasa-logo {
    height: 45px;
  }

  .footer-column-title {
    font-size: 0.8rem;
    margin-bottom: 0.75rem;
  }

  .footer-links a {
    font-size: 0.85rem;
  }

  .footer-bottom-nav {
    gap: 1rem;
  }
}

/* ===================================
   MOBILE & SMALL TABLETS (<768px)
   =================================== */
@media (max-width: 767px) {
  body {
    font-size: 15px;
  }

  /* Container adjustments */
  .container-fluid {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  /* Typography */
  h1 {
    font-size: 1.75rem;
    line-height: 1.3;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  .section-title {
    font-size: 1.35rem;
    padding-bottom: 0.4rem;
    margin-bottom: 1rem;
  }

  .lead {
    font-size: 1.05rem;
  }

  /* JPL Top Bar - Horizontal scrollable on mobile */
  #jpl-topbar {
    padding: 0;
  }

  #jpl-topbar .container-fluid {
    padding: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  #jpl-topbar .jpl-links {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 0;
    white-space: nowrap;
  }

  #jpl-topbar .jpl-links a {
    font-size: 0.8rem;
    padding: 0.6rem 0.85rem;
  }

  /* GDGPS Header */
  #gdgps-header {
    padding: 0.75rem 0;
  }

  #gdgps-header .container-fluid {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .gdgps-logo {
    height: 45px;
  }

  .gdgps-title {
    font-size: 1.1rem;
  }

  /* Navigation */
  #main-navbar {
    padding: 0.5rem 1rem;
  }

  .navbar-brand {
    font-size: 1.1rem;
  }

  /* Hero Banner */
  .hero-banner img {
    max-height: 200px;
    object-fit: cover;
    object-position: center;
  }

  /* Main content spacing */
  #main-content {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
  }

  .content-section {
    margin-bottom: 2rem;
  }

  /* Products accordion */
  .products-accordion {
    margin-top: 1.5rem;
  }

  .products-accordion .accordion-button {
    font-size: 0.95rem;
    padding: 0.75rem 1rem;
  }

  .products-accordion .accordion-body {
    padding: 1rem;
  }

  .products-list {
    font-size: 0.875rem;
  }

  .products-list li {
    margin-bottom: 0.6rem;
  }

  /* Map section */
  .map-title {
    font-size: 1rem;
    padding: 0.5rem 0.5rem;
  }

  .map-container {
    padding: 1rem 0.5rem;
  }

  .map-image {
    max-width: 100%;
    border-width: 1px;
  }

  /* Cards */
  .card {
    margin-bottom: 1rem;
  }

  /* Buttons */
  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }

  /* Footer */
  #gdgps-footer {
    margin-top: 2rem;
  }

  .footer-navigation {
    padding: 1.5rem 0;
  }

  .footer-nav-nasa-logo {
    height: 40px;
    margin-bottom: 1.5rem;
  }

  .footer-column-title {
    font-size: 0.8rem;
    margin-bottom: 0.75rem;
  }

  .footer-links a {
    font-size: 0.85rem;
  }

  .footer-nasa-logo {
    height: 35px;
  }

  .footer-bottom-nav {
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
  }

  .footer-bottom-nav a {
    font-size: 0.85rem;
  }

  .footer-bottom-bar {
    padding: 1.5rem 0;
    text-align: center;
  }

  .footer-site-info {
    text-align: center !important;
    margin-top: 1rem;
    font-size: 0.75rem;
  }
}

/* ===================================
   SMALL MOBILE (<576px)
   =================================== */
@media (max-width: 575px) {
  body {
    font-size: 14px;
  }

  .container-fluid {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  /* Typography */
  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.35rem;
  }

  h3 {
    font-size: 1.15rem;
  }

  .section-title {
    font-size: 1.25rem;
  }

  /* JPL Top Bar - More compact */
  #jpl-topbar {
    font-size: 0.75rem;
  }

  #jpl-topbar .jpl-links a {
    font-size: 0.75rem;
    padding: 0.5rem 0.7rem;
  }

  /* Hero Banner - smaller on small mobile */
  .hero-banner img {
    max-height: 150px;
    object-fit: cover;
    object-position: center;
  }

  /* GDGPS Header */
  .gdgps-logo {
    height: 40px;
  }

  .gdgps-title {
    font-size: 1rem;
  }

  /* Navigation */
  .navbar-brand {
    font-size: 1rem;
  }

  .navbar-toggler {
    font-size: 0.875rem;
    padding: 0.375rem 0.5rem;
  }

  /* Main content */
  #main-content {
    padding-top: 1rem;
    padding-bottom: 1rem;
  }

  p {
    margin-bottom: 0.75rem;
  }

  /* Products */
  .products-accordion .accordion-button {
    font-size: 0.875rem;
    padding: 0.6rem 0.75rem;
  }

  .products-list li {
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
  }

  /* Map section */
  .map-title {
    font-size: 0.9rem;
    padding: 0.4rem 0.5rem;
  }

  .map-container {
    padding: 0.75rem 0.25rem;
  }

  .map-caption {
    font-size: 0.75rem;
  }

  /* Buttons */
  .btn {
    font-size: 0.85rem;
    padding: 0.4rem 0.85rem;
  }

  /* Footer */
  .footer-navigation {
    padding: 1rem 0;
  }

  .footer-nav-nasa-logo {
    height: 35px;
  }

  .footer-column-title {
    font-size: 0.75rem;
  }

  .footer-links a {
    font-size: 0.8rem;
  }

  .footer-nasa-logo {
    height: 32px;
  }

  .footer-bottom-nav a {
    font-size: 0.8rem;
  }

  .footer-bottom-bar {
    font-size: 0.75rem;
  }

  .footer-site-info {
    font-size: 0.7rem;
  }
}

/* ===================================
   EXTRA SMALL MOBILE (<400px)
   =================================== */
@media (max-width: 399px) {
  body {
    font-size: 13px;
  }

  .container-fluid {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }

  h1 {
    font-size: 1.35rem;
  }

  h2 {
    font-size: 1.2rem;
  }

  .section-title {
    font-size: 1.1rem;
    padding-bottom: 0.3rem;
  }

  #jpl-topbar .nasa-logo {
    height: 30px;
  }

  .gdgps-logo {
    height: 35px;
  }

  .products-list li {
    font-size: 0.75rem;
  }

  .map-title {
    font-size: 0.85rem;
  }

  .footer-nav-nasa-logo {
    height: 32px;
  }

  .footer-nasa-logo {
    height: 28px;
  }
}

/* ===================================
   LANDSCAPE ORIENTATION (Mobile)
   =================================== */
@media (max-width: 767px) and (orientation: landscape) {
  /* Reduce header/footer heights for landscape */
  #jpl-topbar {
    padding: 0.5rem 0;
  }

  #gdgps-header {
    padding: 0.5rem 0;
  }

  #main-navbar {
    padding: 0.4rem 1rem;
  }

  .footer-navigation {
    padding: 1rem 0;
  }

  .footer-bottom-bar {
    padding: 0.75rem 0;
  }

  /* Optimize vertical space */
  h1 {
    margin-bottom: 0.75rem;
  }

  .content-section {
    margin-bottom: 1.5rem;
  }

  .map-container {
    padding: 1rem 0.5rem;
  }
}

/* ===================================
   HIGH DPI / RETINA DISPLAYS
   =================================== */
@media (-webkit-min-device-pixel-ratio: 2),
       (min-resolution: 192dpi) {
  /* Adjust image quality/sizing for retina */
  .gdgps-logo,
  .footer-nasa-logo,
  .footer-nav-nasa-logo {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* ===================================
   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;
  }

  .map-image:hover {
    transform: none;
  }

  .card:hover {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  }
}

/* ===================================
   DARK MODE SUPPORT (Future Enhancement)
   =================================== */
@media (prefers-color-scheme: dark) {
  /* Placeholder for future dark mode support */
  /* Uncomment and customize when implementing dark mode */
  /*
  body {
    background-color: #1a1a1a;
    color: #e0e0e0;
  }

  .card {
    background-color: #2a2a2a;
    border-color: #404040;
  }
  */
}