/* Modern Enhancements for TRMK Website */
/* CSS Custom Properties for consistent theming */
:root {
  --primary-color: #000;
  --secondary-color: #777;
  --accent-color: #333;
  --text-light: #fff;
  --text-dark: #777;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --border-radius: 0.5rem;
  --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  --transition: all 0.3s ease;
  --max-width: 1200px;
}

/* Performance optimizations */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Improved focus states for accessibility */
a:focus,
button:focus,
[tabindex]:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
  border-radius: var(--border-radius);
}

/* Skip link for screen readers */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-color);
  color: var(--text-light);
  padding: 8px;
  z-index: 1000;
  text-decoration: none;
  border-radius: var(--border-radius);
}

.skip-link:focus {
  top: 6px;
}

/* Enhanced navigation */
nav {
  position: sticky;
  top: 0;
  z-index: 999;
}

.w3-bar {
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

/* Modern image styling */
.w3-image {
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  max-width: 100%;
  height: auto;
}

.w3-image:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

/* Modern grid for images */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

/* Enhanced contact section */
.contact-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin: var(--spacing-md) 0;
}

.contact-links a {
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 50px;
  min-height: 50px;
}

.contact-links a:hover {
  background-color: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

/* Improved content width and readability */
.w3-content {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Better typography */
p {
  max-width: 65ch;
  line-height: 1.7;
}

/* Section spacing */
section {
  margin: var(--spacing-lg) 0;
}

/* Modern parallax with better performance */
.bgimg-1, .bgimg-2, .bgimg-3 {
  will-change: transform;
  transform: translateZ(0); /* Force hardware acceleration */
}

/* Enhanced modal */
.w3-modal {
  backdrop-filter: blur(5px);
}

.w3-modal-content {
  animation: modalZoom 0.3s ease;
}

@keyframes modalZoom {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Footer improvements */
footer {
  margin-top: var(--spacing-lg);
}

footer .w3-content {
  text-align: left;
}

footer h2, footer h3 {
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

footer address {
  font-style: normal;
  line-height: 1.5;
}

/* Responsive design improvements */
@media only screen and (max-width: 1024px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-md: 1.5rem;
  }

  .bgimg-1, .bgimg-2, .bgimg-3 {
    background-attachment: scroll;
    min-height: 400px;
  }

  .w3-wide {
    letter-spacing: 5px;
  }

  .photo-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media only screen and (max-width: 768px) {
  :root {
    --spacing-lg: 2rem;
    --spacing-md: 1rem;
  }

  .contact-links {
    gap: var(--spacing-sm);
  }

  .photo-grid {
    gap: var(--spacing-sm);
  }

  .w3-wide {
    letter-spacing: 2px;
  }

  .bgimg-1 h1 {
    font-size: 2rem;
  }

  footer .w3-row .w3-col {
    margin-bottom: var(--spacing-md);
  }
}

@media only screen and (max-width: 480px) {
  .contact-links a {
    min-width: 40px;
    min-height: 40px;
    padding: var(--spacing-xs);
  }

  .photo-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

/* Print styles */
@media print {
  .w3-top,
  .contact-links,
  .w3-modal {
    display: none !important;
  }

  .bgimg-1, .bgimg-2, .bgimg-3 {
    background: none !important;
    color: var(--primary-color) !important;
  }

  a[href^="http"]:after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
  }
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --box-shadow: 0 2px 4px rgba(0,0,0,0.8);
  }

  .w3-image {
    border: 2px solid var(--primary-color);
  }
}