/*********************************************************
  1. RESETS & UNIVERSALS
*********************************************************/
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth; /* Smooth scrolling for anchor links */
}

body {
  font-family: 'Lato', sans-serif; /* Default font */
  font-size: 18px; /* Base font size */
  line-height: 1.6; /* Base line height */
  background-color: var(--background-color); /* Theme background */
  color: var(--text-color); /* Theme text color */
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

/*********************************************************
  2. THEME VARIABLES
*********************************************************/
:root {
  /* Light Mode Variables */
  --primary-color: #ff69b4;
  --secondary-color: #55cdff;
  --accent-color: #ff69b4;
  --text-color: #000;
  --background-color: #fff;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --hover-shadow: rgba(0, 0, 0, 0.3);
  --button-background: #ff69b4;
  --button-text: #000;
  --link-hover-color: #ff1493;
  --transition-speed: 0.3s;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;

  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
}

body.dark-mode {
  /* Dark Mode Variables */
  --primary-color: #55cdff;
  --secondary-color: #ff69b4;
  --accent-color: #55cdff;
  --text-color: #fff;
  --background-color: #000;
  --shadow-color: rgba(255, 255, 255, 0.3);
  --hover-shadow: rgba(255, 255, 255, 0.3);
  --button-background: #55cdff;
  --button-text: #000;
  --link-hover-color: #1e90ff;
}

/*********************************************************
  3. FONTS
*********************************************************/
@font-face {
  font-family: 'DM Serif Display';
  src: url('/assets/fonts/DMSerifDisplay.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: 'Lato';
  src: url('/assets/fonts/Lato-Light.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
}

/*********************************************************
  4. CONTAINERS
*********************************************************/
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg) 0;
}

.container-full {
  width: 100%;
  margin: 0;
  padding: 0;
}

/*********************************************************
  5. TYPOGRAPHY
*********************************************************/

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: 'DM Serif Display', serif;
  margin-bottom: var(--spacing-md);
  font-weight: 400;
  color: var(--text-color);
  letter-spacing: 0.5px;
  transition: color var(--transition-speed), transform var(--transition-speed);
}

h1:hover,
h2:hover,
h3:hover,
h4:hover,
h5:hover,
h6:hover {
  color: var(--primary-color);
  text-shadow: 0 2px 8px var(--hover-shadow);
  transform: scale(1.02);
}

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

@media (max-width: 1024px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.9rem; }
  h3 { font-size: 1.6rem; }
  h4 { font-size: 1.4rem; }
  h5 { font-size: 1.2rem; }
  h6 { font-size: 0.95rem; }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
  h4 { font-size: 1.25rem; }
  h5 { font-size: 1.1rem; }
  h6 { font-size: 0.9rem; }
}

/* Paragraphs */
p {
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-color);
}

/* Blockquotes */
blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: var(--spacing-sm);
  color: #555;
  font-style: italic;
  margin: var(--spacing-md) 0;
}

/* Lists */
ul,
ol {
  margin-bottom: var(--spacing-md);
  padding-left: 1.5rem;
}

li {
  margin-bottom: var(--spacing-xs);
}

/*********************************************************
  6. LINKS & BUTTONS
*********************************************************/

/* Links */
a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color var(--transition-speed), text-shadow var(--transition-speed);
}

a:hover,
a:focus {
  color: var(--link-hover-color);
  text-shadow: 0 1px 4px var(--hover-shadow);
  outline: none;
}

/* Buttons */
button,
.btn {
  font-family: 'Lato', sans-serif;
  padding: 0.75rem 1.5rem;
  border: none;
  background-color: var(--button-background);
  color: var(--button-text);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-speed);
  font-size: 1rem;
}

button:hover,
.btn:hover {
  background-color: var(--primary-color);
  color: #fff;
  box-shadow: 0 3px 6px var(--hover-shadow);
}

button:disabled,
.btn:disabled {
  background-color: #ccc;
  color: #666;
  cursor: not-allowed;
}

.btn-secondary {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

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

/* Icon Buttons */
.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  transition: transform var(--transition-speed), filter var(--transition-speed);
}

.icon-btn:hover {
  transform: scale(1.1);
  filter: brightness(1.2);
}

/*********************************************************
  8. FORMS
*********************************************************/

/* Form Containers */
.form-group {
  margin-bottom: var(--spacing-md);
  display: flex;
  flex-direction: column;
}

label {
  margin-bottom: var(--spacing-xs);
  font-weight: bold;
  color: var(--text-color);
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
  padding: var(--spacing-sm);
  border: 1px solid #ccc;
  border-radius: var(--border-radius-sm);
  font-size: 1rem;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 5px var(--primary-color);
  outline: none;
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.error-message {
  color: red;
  font-size: 0.85rem;
  margin-top: var(--spacing-xs);
}

/* Form Validation States */
input.error,
textarea.error,
select.error {
  border-color: red;
  box-shadow: 0 0 5px red;
}

/*********************************************************
  10. CARDS
*********************************************************/
.card {
  background-color: var(--background-color);
  border: 1px solid #ddd;
  border-radius: var(--border-radius-md);
  box-shadow: 0 2px 4px var(--shadow-color);
  overflow: hidden;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 8px var(--shadow-color);
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

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

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--text-color);
}

.card-text {
  font-size: 1rem;
  color: #555;
}

/*********************************************************
  11. GRIDS & LAYOUTS
*********************************************************/
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .grid-cols-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
}

/*********************************************************
  12. MODALS
*********************************************************/
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--spacing-sm);
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--background-color);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  max-width: 500px;
  width: 100%;
  position: relative;
  box-shadow: 0 4px 8px var(--shadow-color);
  transition: transform var(--transition-speed), opacity var(--transition-speed);
}

.modal-content h2 {
  margin-bottom: var(--spacing-md);
}

.modal-content p {
  margin-bottom: var(--spacing-lg);
}

.modal-close-btn {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-color);
  transition: color var(--transition-speed);
}

.modal-close-btn:hover,
.modal-close-btn:focus {
  color: var(--primary-color);
}

/*********************************************************
  13. UTILITIES
*********************************************************/

/* Text Alignment */
.text-center {
  text-align: center;
}
.text-right {
  text-align: right;
}
.text-left {
  text-align: left;
}

/* Visibility */
.hidden {
  display: none !important;
}
.visible {
  display: block !important;
}

/* Flex Utilities */
.flex {
  display: flex;
}
.flex-row {
  flex-direction: row;
}
.flex-column {
  flex-direction: column;
}
.align-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.gap-md {
  gap: var(--spacing-md);
}
.gap-lg {
  gap: var(--spacing-lg);
}

/* Spacing Utilities */
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.ml-1 { margin-left: var(--spacing-xs); }
.ml-2 { margin-left: var(--spacing-sm); }
.ml-3 { margin-left: var(--spacing-md); }
.ml-4 { margin-left: var(--spacing-lg); }
.ml-5 { margin-left: var(--spacing-xl); }

.mr-1 { margin-right: var(--spacing-xs); }
.mr-2 { margin-right: var(--spacing-sm); }
.mr-3 { margin-right: var(--spacing-md); }
.mr-4 { margin-right: var(--spacing-lg); }
.mr-5 { margin-right: var(--spacing-xl); }

/* Padding Utilities */
.pt-1 { padding-top: var(--spacing-xs); }
.pt-2 { padding-top: var(--spacing-sm); }
.pt-3 { padding-top: var(--spacing-md); }
.pt-4 { padding-top: var(--spacing-lg); }
.pt-5 { padding-top: var(--spacing-xl); }

.pb-1 { padding-bottom: var(--spacing-xs); }
.pb-2 { padding-bottom: var(--spacing-sm); }
.pb-3 { padding-bottom: var(--spacing-md); }
.pb-4 { padding-bottom: var(--spacing-lg); }
.pb-5 { padding-bottom: var(--spacing-xl); }

.pl-1 { padding-left: var(--spacing-xs); }
.pl-2 { padding-left: var(--spacing-sm); }
.pl-3 { padding-left: var(--spacing-md); }
.pl-4 { padding-left: var(--spacing-lg); }
.pl-5 { padding-left: var(--spacing-xl); }

.pr-1 { padding-right: var(--spacing-xs); }
.pr-2 { padding-right: var(--spacing-sm); }
.pr-3 { padding-right: var(--spacing-md); }
.pr-4 { padding-right: var(--spacing-lg); }
.pr-5 { padding-right: var(--spacing-xl); }

/* Borders & Radius */
.border {
  border: 1px solid #ccc;
}
.border-top {
  border-top: 1px solid #ccc;
}
.border-bottom {
  border-bottom: 1px solid #ccc;
}
.rounded {
  border-radius: var(--border-radius-md);
}
.rounded-sm {
  border-radius: var(--border-radius-sm);
}
.rounded-lg {
  border-radius: var(--border-radius-lg);
}

/* Shadows */
.shadow {
  box-shadow: 0 2px 4px var(--shadow-color);
}
.shadow-lg {
  box-shadow: 0 4px 8px var(--shadow-color);
}
.shadow-none {
  box-shadow: none;
}

/*********************************************************
  14. MEDIA QUERIES
*********************************************************/

/* Tablet and smaller */
@media (max-width: 1024px) {
  body {
    font-size: 16px;
  }

  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.9rem; }
  h3 { font-size: 1.6rem; }
  h4 { font-size: 1.4rem; }
  h5 { font-size: 1.2rem; }
  h6 { font-size: 0.95rem; }

  .hero-content h1 {
    font-size: 2rem;
  }

  .cta-button {
    font-size: 0.9rem;
    padding: 0.7rem 1.4rem;
  }
}

/* Mobile and smaller */
@media (max-width: 768px) {
  body {
    font-size: 15px;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
  h4 { font-size: 1.25rem; }
  h5 { font-size: 1.1rem; }
  h6 { font-size: 0.9rem; }

  .cta-button {
    font-size: 0.85rem;
    padding: 0.6rem 1.2rem;
  }

  .nav-links {
    flex-direction: column;
    width: 100%;
  }
  .nav-links a {
    width: 100%;
    text-align: center;
    padding: var(--spacing-sm) 0;
  }
}

/*********************************************************
  15. ACCESSIBILITY
*********************************************************/

/* Focus States */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus,
.icon-btn:focus {
  outline: 2px dashed var(--primary-color);
  outline-offset: 2px;
}

/* Visually Hidden (for screen readers) */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* High Contrast Mode */
@media (forced-colors: active) {
  a,
  button {
    forced-color-adjust: none;
  }
  .hero-overlay {
    background-color: rgba(0, 0, 0, 0.5);
  }
}

/*********************************************************
  16. ANIMATIONS & TRANSITIONS
*********************************************************/

/* Simple Fade In */
@keyframes fadeInBasic {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.fade-in {
  animation: fadeInBasic var(--transition-speed) ease-in-out;
}

/* Slide Up Animation */
@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

.slide-up {
  animation: slideUp var(--transition-speed) ease-in-out;
}

/* Smooth Hover Transitions */
.transition-all {
  transition: all var(--transition-speed) ease-in-out;
}

/*********************************************************
  17. COMPONENTS (Alerts, Badges, etc.)
*********************************************************/

/* Alerts */
.alert {
  padding: var(--spacing-md);
  border: 1px solid transparent;
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-md);
}

.alert-success {
  background-color: #d4edda;
  border-color: #c3e6cb;
  color: #155724;
}

.alert-error {
  background-color: #f8d7da;
  border-color: #f5c6cb;
  color: #721c24;
}

.alert-warning {
  background-color: #fff3cd;
  border-color: #ffeeba;
  color: #856404;
}

.alert-info {
  background-color: #d1ecf1;
  border-color: #bee5eb;
  color: #0c5460;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25em 0.4em;
  font-size: 75%;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 0.25rem;
}

.badge-primary {
  background-color: var(--primary-color);
}
.badge-secondary {
  background-color: var(--secondary-color);
}
.badge-success {
  background-color: #28a745;
}
.badge-danger {
  background-color: #dc3545;
}
.badge-warning {
  background-color: #ffc107;
}
.badge-info {
  background-color: #17a2b8;
}

/* Tooltips */
.tooltip {
  position: relative;
  display: inline-block;
  cursor: pointer;
}

.tooltip .tooltip-text {
  visibility: hidden;
  width: max-content;
  background-color: var(--text-color);
  color: var(--background-color);
  text-align: center;
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  position: absolute;
  z-index: 10;
  bottom: 125%; /* Position above the element */
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity var(--transition-speed);
}

.tooltip:hover .tooltip-text,
.tooltip:focus .tooltip-text {
  visibility: visible;
  opacity: 1;
}

.tooltip .tooltip-text::after {
  content: "";
  position: absolute;
  top: 100%; /* At the bottom of the tooltip */
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: var(--text-color) transparent transparent transparent;
}

/* Accordions */
.accordion {
  border: 1px solid #ccc;
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid #ccc;
}
.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  background-color: var(--background-color);
  padding: var(--spacing-md);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color var(--transition-speed);
}

.accordion-header:hover {
  background-color: rgba(255, 105, 180, 0.1);
}

.accordion-header h4 {
  margin: 0;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-speed) ease;
  background-color: var(--background-color);
  padding: 0 var(--spacing-md);
}

.accordion-content p {
  padding: var(--spacing-md) 0;
}

.accordion-item.active .accordion-content {
  max-height: 500px; /* Arbitrary max height for content */
  padding: var(--spacing-md);
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 2px solid #ccc;
}

.tab {
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

.tab.active {
  border-bottom: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.tab-content {
  padding: var(--spacing-md);
  display: none;
}
.tab-content.active {
  display: block;
}

/*********************************************************
  18. RESPONSIVE DESIGN ENHANCEMENTS
*********************************************************/
img,
video {
  max-width: 100%;
  height: auto;
}

/* Responsive Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-md);
}

th,
td {
  padding: var(--spacing-sm);
  text-align: left;
  border: 1px solid #ddd;
}

@media (max-width: 768px) {
  table,
  thead,
  tbody,
  th,
  td,
  tr {
    display: block;
  }

  th {
    position: absolute;
    top: -9999px;
    left: -9999px;
  }

  tr {
    margin-bottom: var(--spacing-md);
  }

  td {
    border: none;
    position: relative;
    padding-left: 50%;
  }

  td::before {
    content: attr(data-label);
    position: absolute;
    left: var(--spacing-sm);
    font-weight: bold;
    white-space: nowrap;
  }
}

/* Responsive Typography */
@media (max-width: 480px) {
  body {
    font-size: 14px;
  }

  .cta-button {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }
}

/*********************************************************
  19. SCROLLBAR STYLING
*********************************************************/
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--background-color);
}
::-webkit-scrollbar-thumb {
  background-color: var(--primary-color);
  border-radius: var(--border-radius-sm);
  border: 2px solid var(--background-color);
}
/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color) var(--background-color);
}

/*********************************************************
  20. CUSTOM COMPONENTS
*********************************************************/
/* 
  Because we already defined a basic "fadeInBasic" above,
  we use a distinct keyframe for modal scaling. 
*/
@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

/* Modal Animations */
.modal.active .modal-content {
  animation: fadeInScale 0.3s ease-out forwards;
}

/*********************************************************
  21. DARK MODE SPECIFIC COMPONENTS
*********************************************************/
body.dark-mode .accordion-header {
  background-color: #333;
  color: #fff;
}
body.dark-mode .accordion-header:hover {
  background-color: rgba(85, 205, 255, 0.1);
}
body.dark-mode .accordion-content {
  background-color: #222;
  color: #ddd;
}
body.dark-mode .modal-content {
  background-color: #333;
  color: #fff;
}
body.dark-mode .alert-success {
  background-color: #155724;
  border-color: #c3e6cb;
  color: #d4edda;
}
body.dark-mode .alert-error {
  background-color: #721c24;
  border-color: #f5c6cb;
  color: #f8d7da;
}
body.dark-mode .alert-warning {
  background-color: #856404;
  border-color: #ffeeba;
  color: #fff3cd;
}
body.dark-mode .alert-info {
  background-color: #0c5460;
  border-color: #bee5eb;
  color: #d1ecf1;
}
body.dark-mode .badge-success {
  background-color: #28a745;
}
body.dark-mode .badge-danger {
  background-color: #dc3545;
}
body.dark-mode .badge-warning {
  background-color: #ffc107;
}
body.dark-mode .badge-info {
  background-color: #17a2b8;
}
body.dark-mode .nav-links a:hover,
body.dark-mode .nav-links a:focus {
  background-color: #55cdff;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(255, 255, 255, 0.2);
  color: #000;
}

/*********************************************************
  22. MEDIA QUERIES FOR COMPONENTS
*********************************************************/
/* Responsive Cards */
@media (max-width: 768px) {
  .card {
    margin-bottom: var(--spacing-md);
  }
}
/* Responsive Modals */
@media (max-width: 480px) {
  .modal-content {
    max-width: 90%;
    padding: var(--spacing-sm);
  }
}

/*********************************************************
  23. HEADER STYLES (Enhanced)
*********************************************************/
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  width: 100%;
  position: sticky;
  top: 0;
  background-color: var(--background-color);
  box-shadow: 0 4px 6px var(--shadow-color);
  z-index: 1000;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

header:hover {
  box-shadow: 0 6px 12px var(--hover-shadow);
}

/* Brand Logo */
.brand img {
  width: 55px;
  height: 55px;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.brand img:hover {
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.brand img:active {
  animation: spin 0.6s linear infinite;
}

/* Navigation Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-color);
  font-family: 'Lato', sans-serif;
  font-size: 1rem;
  font-weight: 400;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: background-color 0.3s ease, color 0.3s ease, text-shadow 0.3s ease;
}

.nav-links a:hover {
  color: #fff;
  background-color: #ff69b4;
  text-shadow: 0 2px 8px var(--hover-shadow);
}

.nav-links a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 4px;
}

/* Navigation Icons */
.nav-icons {
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
}

.icon {
  width: 33px;
  height: 33px;
  cursor: pointer;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.icon:hover {
  transform: scale(1.2);
  filter: brightness(1.2);
}

/* User/Logout Icon Toggling */
.hidden {
  display: none !important;
}

/* Search Bar Styles */
.search-bar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 0;
  overflow: hidden;
  border: 1px solid var(--primary-color);
  border-radius: 20px;
  background-color: var(--background-color);
  padding: 0;
  transition: width 0.3s ease, opacity 0.3s ease, box-shadow 0.3s ease;
  opacity: 0;
}

.search-bar-container.expanded {
  width: 300px;
  padding: 0.5rem;
  opacity: 1;
  box-shadow: 0 2px 6px var(--hover-shadow);
}

.search-bar {
  flex: 1;
  padding: 0.5rem;
  border: none;
  outline: none;
  font-size: 1rem;
  background: transparent;
  color: var(--text-color);
}

.search-bar::placeholder {
  color: rgba(0, 0, 0, 0.6);
}

.search-close-btn {
  border: none;
  background: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-color);
  margin-left: 0.5rem;
  transition: color 0.3s ease;
}

.search-close-btn:hover {
  color: var(--primary-color);
}

/* Hamburger Menu (Mobile Only) */
.hamburger-menu {
  display: none;
  cursor: pointer;
}

.hamburger-menu img {
  width: 33px;
  height: 33px;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.hamburger-menu img:hover {
  transform: scale(1.2);
  filter: brightness(1.2);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hamburger-menu {
    display: block;
  }

  .nav-links.show-menu {
    display: flex !important;
    flex-direction: column;
    gap: 1rem;
    position: absolute;
    top: 70px;
    right: 20px;
    background-color: var(--background-color);
    box-shadow: 0 4px 6px var(--shadow-color);
    padding: 1rem;
    border-radius: var(--border-radius-md);
    z-index: 1000;
  }

  .search-bar-container.expanded {
    width: 200px;
  }
}

/* Dark Mode - Header */
body.dark-mode header {
  background-color: #000;
  box-shadow: 0 4px 6px rgba(255, 255, 255, 0.1);
}

body.dark-mode .nav-links a {
  color: #fff;
}

body.dark-mode .nav-links a:hover {
  background-color: #55cdff;
  color: #000;
}

body.dark-mode .icon:hover {
  filter: brightness(1);
}

body.dark-mode .search-bar {
  color: #ddd;
}

body.dark-mode .search-bar::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

body.dark-mode .search-close-btn {
  color: #ddd;
}

body.dark-mode .search-close-btn:hover {
  color: var(--primary-color);
}

/* Shared Hover & Focus Effects */
.nav-links a:hover,
.icon:hover {
  text-shadow: 0 2px 8px var(--hover-shadow);
}

.search-bar-container.expanded:focus-within {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  box-shadow: 0 0 10px var(--hover-shadow);
}

/*********************************************************
  24. ADVANCED FOOTER STYLES
*********************************************************/
.site-footer {
  background-color: #f8f8f8;
  padding: 3rem 1.5rem;
  font-family: 'Lato', sans-serif;
  color: #333;
  transition: background-color 0.3s ease, color 0.3s ease;
  box-shadow: 0 -4px 8px rgba(0, 0, 0, 0.1);
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  align-items: flex-start;
  justify-content: center;
}

.footer-column h3 {
  font-weight: bold;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-column p,
.footer-column li {
  font-size: 1rem;
  line-height: 1.8;
  color: #555;
  transition: color 0.3s ease;
}

.footer-column a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s ease, transform 0.3s ease;
}

.footer-column a:hover {
  color: #e66c9c;
  transform: translateX(5px);
}

/* Footer Navigation */
.footer-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav-list li {
  margin-bottom: 0.75rem;
  position: relative;
}

.footer-nav-list li::before {
  content: '•';
  color: var(--primary-color);
  position: absolute;
  left: -1rem;
}

/* Footer Logo & Social Icons */
.logo-column {
  text-align: center;
}

.footer-logo {
  width: 120px;
  height: auto;
  margin-bottom: 1.5rem;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.footer-logo:hover {
  transform: scale(1.1);
  filter: brightness(1.2);
}

.social-icons-grid {
  display: grid;
  grid-template-columns: repeat(3, auto);
  grid-auto-rows: 50px;
  gap: 1rem;
  justify-content: center;
}

.social-icons-grid img {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  transition: transform 0.3s ease, filter 0.3s ease, box-shadow 0.3s ease;
}

.social-icons-grid img:hover {
  transform: scale(1.2);
  filter: brightness(1.3);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

/* Footer Bottom Bar */
.footer-bottom {
  text-align: center;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid #ddd;
  font-size: 0.9rem;
  color: #777;
  background: linear-gradient(to top, #f8f8f8, rgba(255, 255, 255, 0));
  transition: background-color 0.3s ease, color 0.3s ease;
}

.footer-bottom a {
  text-decoration: none;
  color: #555;
  margin: 0 0.75rem;
  font-weight: 600;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.footer-bottom a:hover {
  color: #e66c9c;
  text-shadow: 0 2px 6px rgba(255, 105, 180, 0.6);
}

.footer-bottom em {
  font-style: italic;
  color: #888;
  transition: color 0.3s ease;
}

/* Dark Mode Footer */
body.dark-mode .site-footer {
  background-color: #222;
  color: #ddd;
  box-shadow: 0 -4px 8px rgba(255, 255, 255, 0.1);
}

body.dark-mode .footer-column p,
body.dark-mode .footer-column li {
  color: #aaa;
}

body.dark-mode .footer-column a {
  color: #ddd;
}

body.dark-mode .footer-column a:hover {
  color: #55cdff;
  transform: translateX(5px);
}

body.dark-mode .social-icons-grid img:hover {
  filter: brightness(1);
}

body.dark-mode .footer-bottom {
  border-top: 1px solid #555;
  color: #aaa;
}

body.dark-mode .footer-bottom a {
  color: #ddd;
}

body.dark-mode .footer-bottom a:hover {
  color: #55cdff;
  text-shadow: 0 2px 6px rgba(85, 205, 255, 0.6);
}

/* Responsive Footer */
@media (max-width: 1024px) {
  .footer-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  .social-icons-grid {
    grid-template-columns: repeat(3, auto);
  }
}

@media (max-width: 768px) {
  .footer-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-column {
    margin-bottom: 2rem;
  }
  .social-icons-grid {
    grid-template-columns: repeat(2, auto);
    grid-auto-rows: 50px;
    gap: 1rem;
  }
  .footer-bottom {
    font-size: 0.8rem;
  }
}

/*********************************************************
  25. ADVANCED ADDITIONAL COMPONENTS
*********************************************************/
/* Floating Back-to-Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--primary-color, #ff69b4);
  color: #fff; /* Arrow color from 'currentColor' in SVG */
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease-in-out;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--secondary-color, #55cdff);
  transform: scale(1.1);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* Dark Mode Overrides */
body.dark-mode .back-to-top {
  background-color: var(--dark-primary-color, #55cdff);
  color: #000; /* Arrow color in dark mode */
}
body.dark-mode .back-to-top:hover {
  background-color: var(--dark-secondary-color, #ff69b4);
  color: #fff; /* Arrow color on hover in dark mode */
}