/* Black & Crimson Website Theme */

:root {
  --primary: #dc143c;
  --primary-dark: #8b0a1a;
  --primary-light: #ff6b7a;
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #2a2a2a;
  --text-primary: #f5f5f5;
  --text-secondary: #d0d0d0;
  --border: #3a3a3a;
  --success: #00cc44;
  --warning: #ffaa00;
  --error: #ff5555;
  --radius: 8px;
}

/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
}

/* Header and Navigation */
header {
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
  border-bottom: 3px solid var(--primary);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(220, 20, 60, 0.2);
}

.site-header {
  background: transparent;
  border-bottom: none;
  padding: 0;
  margin-bottom: 0;
}

.site-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-title:hover {
  color: var(--primary);
  text-decoration: none;
}

.site-nav {
  background-color: var(--bg-secondary);
  border-bottom: 2px solid var(--primary);
  padding: 0;
  margin: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.site-nav .wrapper {
  padding: 0 20px;
}

.site-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.site-nav li {
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--text-primary);
  padding: 15px 20px;
  display: block;
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: all 0.3s ease;
  font-weight: 500;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background-color: rgba(220, 20, 60, 0.08);
}

/* Main Content */
.page-content {
  background-color: var(--bg-primary);
  padding: 40px 0;
  min-height: calc(100vh - 200px);
}

.wrapper {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Posts and Content */
.post {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 30px;
  margin-bottom: 40px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.post-header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--primary);
}

.post-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.2;
}

.post-meta {
  color: var(--text-secondary);
  font-size: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin: 15px 0;
}

.page-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-style: italic;
  margin: 15px 0;
  padding: 15px;
  background-color: rgba(220, 20, 60, 0.08);
  border-left: 3px solid var(--primary);
  border-radius: 4px;
}

/* Post Content */
.post-content {
  color: var(--text-secondary);
  line-height: 1.8;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  color: var(--text-primary);
  margin-top: 28px;
  margin-bottom: 14px;
  font-weight: 600;
  letter-spacing: -0.02em;
  scroll-margin-top: 100px;
}

.post-content h1 {
  font-size: 2.25rem;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 12px;
}

.post-content h2 {
  font-size: 1.875rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  margin-top: 32px;
}

.post-content h3 {
  font-size: 1.5rem;
}

.post-content h4 {
  font-size: 1.25rem;
}

.post-content p {
  margin-bottom: 14px;
  font-size: 1.05em;
}

/* Lists */
.post-content ul,
.post-content ol {
  margin-left: 24px;
  margin-bottom: 16px;
  line-height: 1.9;
}

.post-content li {
  margin-bottom: 10px;
}

/* Links */
.post-content a {
  color: var(--primary);
  text-decoration: none;
  border-bottom: 1px dotted rgba(220, 20, 60, 0.3);
  transition: all 0.2s ease;
}

.post-content a:hover {
  color: var(--primary-light);
  border-bottom-color: var(--primary);
  text-decoration: none;
}

/* Code */
code {
  background-color: var(--bg-tertiary);
  color: #7fff7f;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.95em;
}

pre {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  margin: 16px 0;
  line-height: 1.6;
  position: relative;
}

pre code {
  background: none;
  color: #d0d0d0;
  padding: 0;
  border-radius: 0;
  display: block;
  font-size: 0.9em;
}

.highlight {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.9em;
  line-height: 1.6;
}

.highlight .k { color: #ff6b7a; font-weight: 500; }
.highlight .n { color: #f5f5f5; }
.highlight .s { color: #7fff7f; }
.highlight .s1 { color: #7fff7f; }
.highlight .s2 { color: #7fff7f; }
.highlight .m { color: #ffcc00; }
.highlight .mf { color: #ffcc00; }
.highlight .mi { color: #ffcc00; }
.highlight .c { color: #888888; }
.highlight .c1 { color: #888888; }
.highlight .c2 { color: #888888; }
.highlight .o { color: #ff6b7a; }
.highlight .nb { color: #64b5ff; }
.highlight .nc { color: #ff7adc; }
.highlight .nf { color: #64b5ff; }

/* Blockquotes */
blockquote {
  border-left: 4px solid var(--primary);
  padding: 12px 16px;
  margin: 16px 0;
  color: var(--text-secondary);
  font-style: italic;
  background-color: rgba(220, 20, 60, 0.08);
  border-radius: 4px;
}

blockquote p {
  margin: 0;
}

/* Tables */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 16px 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

table thead {
  background-color: var(--bg-tertiary);
  border-bottom: 2px solid var(--primary);
}

table th {
  padding: 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
}

table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

table tbody tr:hover {
  background-color: rgba(220, 20, 60, 0.08);
}

table tbody tr:last-child td {
  border-bottom: none;
}

.post-header table {
  width: auto;
  max-width: 100%;
  display: inline-table;
  margin: 10px 0;
  font-size: 0.92rem;
}

.post-header table th,
.post-header table td {
  padding: 6px 10px;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
  margin: 16px 0;
  display: block;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Figures */
figure {
  margin: 20px 0;
  text-align: center;
}

figure img {
  margin: 0 auto;
}

figcaption {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 8px;
  font-style: italic;
}

/* Horizontal Rule */
hr {
  border: none;
  border-top: 2px solid var(--primary);
  margin: 28px 0;
  opacity: 0.5;
}

/* Tags and Categories */
.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 15px 0;
}

.category-tags-link {
  display: inline-block;
  background-color: var(--bg-tertiary);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 20px;
  border: 2px solid var(--primary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
  text-decoration: none;
}

.category-tags-link:hover {
  background-color: var(--primary);
  color: white;
}

/* Footer */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 2px solid var(--primary);
  padding: 30px 20px;
  margin-top: 40px;
  text-align: center;
  color: var(--text-secondary);
}

.footer-heading {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 15px;
}

.contact-list,
.social-media-list {
  list-style: none;
  padding: 0;
  margin: 10px 0;
}

.contact-list li,
.social-media-list li {
  display: inline-block;
  margin: 0 15px;
}

.social-media-list a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

.social-media-list a:hover {
  color: var(--primary-light);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 30px 0;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

.pagination a:hover {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}

.pagination .current {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* Post List */
.post-list {
  list-style: none;
  padding: 0;
}

.post-list li {
  margin-bottom: 30px;
}

.post-list h3 {
  margin: 0 0 8px 0;
}

.post-list .post-meta {
  margin: 0;
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .post {
    padding: 20px;
  }

  .post-title {
    font-size: 1.75rem;
  }

  .site-nav a {
    padding: 12px 15px;
    font-size: 0.95rem;
  }

  .post-content h2 {
    font-size: 1.5rem;
  }

  .post-content h3 {
    font-size: 1.25rem;
  }

  pre {
    padding: 12px;
    font-size: 0.85em;
  }

  table {
    font-size: 0.9rem;
  }

  table th, table td {
    padding: 8px;
  }
}

@media (max-width: 600px) {
  .wrapper {
    padding: 0 15px;
  }

  .post {
    padding: 15px;
    border-radius: 4px;
  }

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

  .topbar-inner {
    padding-top: 5px;
    padding-bottom: 5px;
    gap: 8px;
  }

  .site-brand {
    gap: 2px;
  }

  .site-brand-title {
    font-size: 0.85rem;
  }

  .site-brand-subtitle {
    display: none;
  }

  .site-nav {
    width: 240px;
    right: -240px;
  }

  .site-nav-list a {
    padding: 12px 16px;
    font-size: 0.9rem;
  }

  .submenu {
    padding: 4px;
    margin-bottom: 8px;
  }

  .submenu-container {
    gap: 3px;
  }

  .submenu-item {
    flex: 1 1 75px;
  }

  .submenu-item a {
    padding: 5px 6px;
    font-size: 0.72rem;
  }

  .submenu-logo img {
    height: 32px;
  }

  .unit-navbar {
    padding: 6px;
    gap: 4px;
  }

  .unit-navbar-title {
    font-size: 0.9rem;
    margin-bottom: 6px;
  }

  .unit-navbar-link {
    padding: 5px 8px;
    font-size: 0.8rem;
  }
}

/* Print Styles */
@media print {
  * {
    background-color: white !important;
    color: black !important;
    box-shadow: none !important;
  }

  a {
    color: #00f !important;
  }

  code {
    background: white !important;
    color: black !important;
  }
}

/* Smooth Transitions */
a, button, .site-nav a, .category-tags-link {
  transition: all 0.2s ease;
}

/* Enhanced UI Layer */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 8px 12px;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  z-index: 9999;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(circle at 0% 0%, rgba(220, 20, 60, 0.15), transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(220, 20, 60, 0.10), transparent 35%);
}

.site-topbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.88);
  border-bottom: 1px solid rgba(220, 20, 60, 0.45);
  backdrop-filter: blur(10px);
}

.topbar-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-brand {
  display: flex;
  flex-direction: column;
  gap: 3px;
  text-decoration: none;
}

.site-brand-title {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-brand-subtitle {
  color: var(--text-secondary);
  font-size: 0.83rem;
}

.site-nav {
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
  margin: 0;
  position: static;
}

.site-nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.site-nav-list a {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 8px 14px;
  line-height: 1;
  font-size: 0.95rem;
  border-bottom: none;
}

.site-nav-list a:hover,
.site-nav-list a.active-nav-link {
  border-color: rgba(220, 20, 60, 0.65);
  background-color: rgba(220, 20, 60, 0.15);
}

.post {
  border-radius: 16px;
  border: 1px solid rgba(220, 20, 60, 0.35);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.post-list li {
  margin-bottom: 20px;
}

.post-preview-card {
  display: grid;
  grid-template-columns: minmax(0, 220px) 1fr;
  gap: 18px;
  background: linear-gradient(140deg, var(--bg-secondary) 0%, rgba(220, 20, 60, 0.05) 100%);
  border: 1px solid rgba(220, 20, 60, 0.35);
  border-radius: 14px;
  padding: 16px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.post-preview-card:hover {
  transform: translateY(-3px);
  border-color: rgba(220, 20, 60, 0.6);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.4);
}

.post-preview-media {
  display: block;
}

.post-preview-media img {
  width: 100%;
  height: 100%;
  min-height: 140px;
  object-fit: cover;
  margin: 0;
}

.post-preview-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.post-preview-content h3 {
  margin: 0;
}

.post-preview-content .post-meta-description {
  margin: 0;
}

.submenu {
  width: 100%;
  background: linear-gradient(145deg, var(--bg-secondary) 0%, rgba(220, 20, 60, 0.08) 100%);
  border: 1px solid rgba(220, 20, 60, 0.45);
  border-radius: 12px;
  padding: 8px;
  margin-bottom: 14px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.submenu-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.submenu--compact {
  max-width: 760px;
  padding: 6px;
  margin: 0 auto 12px;
}

.submenu--compact .submenu-container {
  gap: 6px;
}

.submenu--compact .submenu-item {
  flex: 1 1 104px;
}

.submenu--compact .submenu-item a {
  padding: 7px 10px;
  font-size: 0.86rem;
}

.submenu-item {
  flex: 1 1 120px;
  text-align: center;
}

.submenu-item a {
  display: block;
  text-decoration: none;
  color: var(--text-primary);
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.02);
}

.submenu-item a:hover {
  border-color: rgba(220, 20, 60, 0.65);
  background-color: rgba(220, 20, 60, 0.15);
}

.submenu-logo {
  flex: 0 0 auto;
}

.submenu-logo img {
  margin: 0;
  border: none;
  box-shadow: none;
}

.unit-navbar-title {
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.unit-navbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  align-items: center;
  padding: 12px;
  margin-bottom: 20px;
  border-radius: 12px;
  border: 1px solid rgba(220, 20, 60, 0.35);
  background: linear-gradient(145deg, var(--bg-secondary) 0%, rgba(220, 20, 60, 0.08) 100%);
}

.unit-navbar-link {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(220, 20, 60, 0.2);
}

.unit-navbar-link:hover {
  background-color: rgba(220, 20, 60, 0.15);
  border-color: rgba(220, 20, 60, 0.65);
}

.unit-navbar-link--quiz {
  border-color: rgba(220, 20, 60, 0.75);
  background-color: rgba(220, 20, 60, 0.2);
  font-weight: 700;
}

.home-hero {
  position: relative;
  max-width: 1020px;
  margin: 24px auto 0;
  padding: 24px;
  border-radius: 18px;
  border: 1px solid rgba(220, 20, 60, 0.35);
  background: linear-gradient(155deg, rgba(220, 20, 60, 0.08) 0%, var(--bg-secondary) 45%, var(--bg-primary) 100%);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
}

.home-profile-image {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 90px;
  height: 90px;
  object-fit: cover;
  border-radius: 999px;
  border: 2px solid rgba(220, 20, 60, 0.75);
  box-shadow: 0 0 0 6px rgba(220, 20, 60, 0.15);
}

.home-hero h1 {
  color: var(--text-primary);
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 8px;
  max-width: 80%;
}

.home-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.home-card {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(220, 20, 60, 0.22);
  border-radius: 12px;
  padding: 14px;
}

.home-card h2 {
  margin-top: 0;
  margin-bottom: 8px;
}

.home-actions {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.home-action-card {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(220, 20, 60, 0.32);
  border-radius: 12px;
  padding: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 600;
  border-radius: 10px;
  padding: 9px 14px;
  margin: 6px 8px 6px 0;
  border: 1px solid transparent;
}

.button-primary {
  background-color: var(--primary);
  color: var(--text-primary);
  border-color: rgba(220, 20, 60, 0.8);
}

.button-primary:hover {
  background-color: var(--primary-dark);
}

.button-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: rgba(220, 20, 60, 0.45);
}

.button-secondary:hover {
  border-color: rgba(220, 20, 60, 0.8);
  background-color: rgba(220, 20, 60, 0.15);
}

.button {
  position: relative;
  overflow: hidden;
}

.button::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 20%, rgba(255, 255, 255, 0.18) 50%, transparent 80%);
  transform: translateX(-130%);
  transition: transform 0.55s ease;
}

.button:hover::after {
  transform: translateX(130%);
}

.home-profile-image {
  animation: floatGlow 5.5s ease-in-out infinite;
}

@keyframes floatGlow {
  0%,
  100% {
    transform: translateY(0);
    box-shadow: 0 0 0 6px rgba(220, 20, 60, 0.15);
  }
  50% {
    transform: translateY(-5px);
    box-shadow: 0 0 0 8px rgba(220, 20, 60, 0.22);
  }
}

.js-enabled .reveal-on-scroll {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

pre,
code,
.highlight,
.highlight pre,
.output pre,
.output code {
  tab-size: 4;
  -moz-tab-size: 4;
  white-space: pre;
}

@media (prefers-reduced-motion: reduce) {
  .home-profile-image,
  .button::after,
  .js-enabled .reveal-on-scroll,
  .post-preview-card {
    animation: none !important;
    transition: none !important;
  }

  .js-enabled .reveal-on-scroll {
    opacity: 1;
    transform: none;
  }
}

/* Modern Scrollbar Styling */
html {
  scroll-behavior: smooth;
}

/* Webkit browsers (Chrome, Safari, Edge) */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 10px;
  border: 2px solid var(--bg-primary);
  transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--primary-light) 0%, var(--primary) 100%);
  box-shadow: 0 0 12px rgba(220, 20, 60, 0.4);
}

/* Firefox scrollbar */
* {
  scrollbar-color: var(--primary) var(--bg-primary);
  scrollbar-width: thin;
}

/* Mobile Navigation Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
  z-index: 1002;
}

.hamburger-line {
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-nav-overlay.active {
  opacity: 1;
  pointer-events: all;
}


@media (max-width: 880px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .mobile-nav-overlay {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-left: 2px solid var(--primary);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    transition: right 0.3s ease;
    overflow-y: auto;
    padding: 20px 0;
  }

  .site-nav::before {
    content: "Menu";
    display: block;
    padding: 12px 20px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    border-bottom: 2px solid rgba(220, 20, 60, 0.3);
    margin-bottom: 10px;
  }

  .site-nav.active {
    right: 0;
  }

  .site-nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .site-nav-list li {
    width: 100%;
    border-bottom: 1px solid rgba(220, 20, 60, 0.2);
  }

  .site-nav-list a {
    display: block;
    width: 100%;
    padding: 15px 20px;
    border-radius: 0;
    border: none;
    text-align: left;
    font-size: 1rem;
  }

  .site-nav-list a:hover,
  .site-nav-list a.active-nav-link {
    background-color: rgba(220, 20, 60, 0.2);
    border: none;
    border-left: 4px solid var(--primary);
    padding-left: 16px;
  }

  .topbar-inner {
    min-height: auto;
    padding-top: 8px;
    padding-bottom: 8px;
    gap: 10px;
  }

  .site-brand-title {
    font-size: 0.95rem;
  }

  .site-brand-subtitle {
    font-size: 0.75rem;
  }

  .home-profile-image {
    width: 72px;
    height: 72px;
  }

  .home-hero h1 {
    max-width: 100%;
    padding-right: 82px;
  }

  .submenu--compact {
    padding: 4px;
  }

  .submenu--compact .submenu-item {
    flex: 1 1 90px;
  }

  .submenu--compact .submenu-item a {
    padding: 5px 8px;
    font-size: 0.8rem;
  }
}

@media (max-width: 768px) {
  .post-preview-card {
    grid-template-columns: 1fr;
  }

  .home-hero {
    padding: 16px;
  }

  .home-profile-image {
    position: static;
    margin-bottom: 10px;
  }

  .home-hero h1 {
    padding-right: 0;
  }

  .topbar-inner {
    min-height: auto;
    padding-top: 6px;
    padding-bottom: 6px;
  }

  .site-brand-title {
    font-size: 0.9rem;
  }

  .site-brand-subtitle {
    display: none;
  }

  .site-nav {
    width: 260px;
    right: -260px;
  }

  .site-nav.active {
    right: 0;
  }

  .site-nav-list a {
    padding: 14px 18px;
    font-size: 0.95rem;
  }

  .submenu {
    padding: 6px;
    margin-bottom: 10px;
  }

  .submenu-container {
    gap: 4px;
  }

  .submenu-item {
    flex: 1 1 85px;
  }

  .submenu-item a {
    padding: 6px 8px;
    font-size: 0.78rem;
  }

  .unit-navbar {
    padding: 8px;
    gap: 6px;
  }

  .unit-navbar-link {
    padding: 6px 10px;
    font-size: 0.85rem;
  }
}