/******* Optimized Bootstrap Theming *******/
:root {
  --primary: #4f8cff;
  --primary-dark: #2b5db6;
  --accent: #ffb947;
  --bg-light: #f8fafd;
  --bg-card: #fff;
  --text-main: #222;
  --text-muted: #6c757d;
  --radius: 1.25rem;
  --shadow: 0 8px 32px rgba(80, 120, 200, 0.10);
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --blue: #007bff;
  --indigo: #6610f2;
  --purple: #6f42c1;
  --pink: #e83e8c;
  --red: #dc3545;
  --orange: #fd7e14;
  --yellow: #ffc107;
  --green: #28a745;
  --teal: #20c997;
  --cyan: #17a2b8;
  --white: #fff;
  --gray: #6c757d;
  --gray-dark: #343a40;
  --secondary: #00394f;
  --success: #28a745;
  --info: #17a2b8;
  --warning: #ffc107;
  --danger: #dc3545;
  --light: #f8f9fa;
  --dark: #343a40;
  --breakpoint-xs: 0;
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
  --font-family-sans-serif: "Nunito", sans-serif;
  --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* Modern Box Sizing Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
  font-family: sans-serif;
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

/* Improved Body Styling */
body {
  margin: 0;
  font-family: "Nunito", sans-serif;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: #4a4a4a;
  text-align: left;
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Enhancements */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  margin-bottom: 0.75rem;
  font-family: "Handlee", cursive;
  font-weight: bold;
  line-height: 1.2;
  color: #00394f;
}

h1, .h1 { font-size: 2.5rem; }
h2, .h2 { font-size: 2rem; }
h3, .h3 { font-size: 1.75rem; }
h4, .h4 { font-size: 1.5rem; }
h5, .h5 { font-size: 1.25rem; }
h6, .h6 { font-size: 1rem; }

@media (max-width: 1200px) {
  h1, .h1 { font-size: calc(1.375rem + 1.5vw); }
  h2, .h2 { font-size: calc(1.325rem + 0.9vw); }
  h3, .h3 { font-size: calc(1.3rem + 0.6vw); }
  h4, .h4 { font-size: calc(1.275rem + 0.3vw); }
}

/* Modern Link Styling */
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease;
}

a:hover {
  color: #0f6674;
  text-decoration: underline;
}

/* Responsive Images with Lazy Loading */
img {
  max-width: 100%;
  height: auto;
  border-style: none;
  display: block;
}

img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
  opacity: 1;
}

/* Aspect Ratio Container for Responsive Images */
.aspect-ratio-box {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  overflow: hidden;
}

.aspect-ratio-box img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Improved Image Thumbnails */
.img-thumbnail {
  padding: 0.25rem;
  border-radius: 5px;
  max-width: 100%;
  height: auto;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.img-thumbnail:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Modern Button Styling */
.btn {
  display: inline-block;
  font-weight: 500;
  color: #666666;
  text-align: center;
  vertical-align: middle;
  user-select: none;
  background-color: transparent;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: 30px;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn:hover {
  color: #666666;
  text-decoration: none;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-primary {
  color: #fff;
  background-color: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: #138496;
  border-color: #117a8b;
}

/* Card Modernization */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  word-wrap: break-word;
  background-color: #fff;
  background-clip: border-box;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.card-img-top {
  width: 100%;
  border-top-left-radius: calc(8px - 1px);
  border-top-right-radius: calc(8px - 1px);
}

/* Responsive Grid Improvements */
.container {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

@media (min-width: 576px) {
  .container {
    max-width: 540px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
}

@media (min-width: 992px) {
  .container {
    max-width: 960px;
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

/* Responsive Column Fix */
.col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col,
.col-auto, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm,
.col-sm-auto, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-md,
.col-md-auto, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg,
.col-lg-auto, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12, .col-xl,
.col-xl-auto {
  position: relative;
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
}

/* Form Control Modernization */
.form-control {
  display: block;
  width: 100%;
  height: calc(1.5em + 1rem + 2px);
  padding: 0.5rem 1rem;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #495057;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
  color: #495057;
  background-color: #fff;
  border-color: #63d9ec;
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.25);
}

/* Modern Navigation */
.navbar {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background-color: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.nav-link {
  display: block;
  padding: 0.5rem 1rem;
  transition: color 0.2s ease;
}

/* Responsive Utilities */
@media (max-width: 767.98px) {
  .mobile-hidden {
    display: none !important;
  }
}

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

/* Animation Enhancements */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.slide-up {
  animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(20px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

/* Performance Optimizations */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Lazy Loading Placeholder */
.lazy-placeholder {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: 4px;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Object Fit Polyfill for IE */
.object-fit-cover {
  object-fit: cover;
  font-family: 'object-fit: cover;';
}

/* Modern Shadow Utilities */
.shadow-sm { box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05) !important; }
.shadow { box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1) !important; }
.shadow-lg { box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15) !important; }
.shadow-none { box-shadow: none !important; }

/* Modern Transitions */
.transition {
  transition: all 0.3s ease;
}

.transition-fast {
  transition: all 0.15s ease;
}

.transition-slow {
  transition: all 0.5s ease;
}

/* Responsive Spacing */
@media (min-width: 768px) {
  .md\:py-6 {
    padding-top: 1.5rem !important;
    padding-bottom: 1.5rem !important;
  }
}

/* Optimized Carousel */
.carousel {
  position: relative;
  overflow: hidden;
}

.carousel-inner {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.carousel-item {
  position: relative;
  display: none;
  float: left;
  width: 100%;
  margin-right: -100%;
  backface-visibility: hidden;
  transition: transform 0.6s ease-in-out;
}

.carousel-item.active,
.carousel-item-next,
.carousel-item-prev {
  display: block;
}

/* Lazy Load Carousel Images */
.carousel-item img[data-src] {
  opacity: 0;
  transition: opacity 0.5s ease;
}

.carousel-item img.loaded {
  opacity: 1;
}

/* Modern Table Styling */
.table {
  width: 100%;
  margin-bottom: 1rem;
  color: #666666;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 1rem;
  vertical-align: top;
  border-top: 1px solid #f0f0f0;
}

.table thead th {
  vertical-align: bottom;
  border-bottom: 2px solid #f0f0f0;
  background-color: #f8f9fa;
  font-weight: 600;
}

/* Responsive Table */
.table-responsive {
  display: block;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Modern Alert Styling */
.alert {
  position: relative;
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid transparent;
  border-radius: 6px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* Modern Badge Styling */
.badge {
  display: inline-block;
  padding: 0.35em 0.65em;
  font-size: 0.75em;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 10px;
  transition: all 0.2s ease;
}

/* Modern Progress Bar */
.progress {
  height: 0.75rem;
  overflow: hidden;
  font-size: 0.75rem;
  background-color: #f0f0f0;
  border-radius: 10px;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

.progress-bar {
  height: 100%;
  transition: width 0.6s ease;
}

/* Modern Modal */
.modal-content {
  border: none;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Responsive Embed */
.embed-responsive {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
}

.embed-responsive::before {
  display: block;
  content: "";
}

.embed-responsive .embed-responsive-item,
.embed-responsive iframe,
.embed-responsive embed,
.embed-responsive object,
.embed-responsive video {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Aspect Ratios */
.embed-responsive-21by9::before {
  padding-top: 42.85714%;
}

.embed-responsive-16by9::before {
  padding-top: 56.25%;
}

.embed-responsive-4by3::before {
  padding-top: 75%;
}

.embed-responsive-1by1::before {
  padding-top: 100%;
}

/* Print Styles */
@media print {
  .no-print {
    display: none !important;
  }
  
  body {
    background: none !important;
    color: #000 !important;
  }
  
  .container {
    width: auto;
    max-width: 100%;
    padding: 0;
  }
  
  a[href^="http"]:after {
    content: " (" attr(href) ")";
  }
}