/***************************************
 * TABLE OF CONTENTS
 *
 * 1. CSS Variables
 *    1.1 Light Theme
 *    1.2 Dark Theme
 * 2. Base Styles
 *    2.1 Reset
 *    2.2 Typography
 *    2.3 Links
 *    2.4 Lists
 *    2.5 Media
 *    2.6 Code
 * 3. Layout
 *    3.1 Container
 *    3.2 Grid
 * 4. Components
 *    4.1 Header & Navigation
 *    4.2 Footer
 *    4.3 Hero
 *    4.4 Buttons
 *    4.5 Cards
 *    4.6 Posts
 *    4.7 Projects
 *    4.8 Snippets
 *    4.9 Pagination
 * 5. Utilities
 *    5.1 Theme Toggle
 *    5.2 Responsive
 ***************************************/

/***************************************
 * 1. CSS VARIABLES
 ***************************************/

/* 1.1 Light Theme */
:root {
  /* Colors */
  --color-primary: #2D2D2D;
  --color-secondary: #1976D2;
  --color-footer-link: #339CFF;
  --color-background: #FFFFFF;
  --color-text: #333333;
  --color-code-bg: #F6F8FA;
  --color-light-gray: #EEEEEE;
  --color-medium-gray: #CCCCCC;
  --color-dark-gray: #666666;
  --color-terminal-bg: #f6f8fa;
  --color-terminal-text: #1a1a1a;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --font-code: 'JetBrains Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-xxl: 3rem;

  /* Container width */
  --container-width: 70%;
  --content-width: 60%;
}

/* 1.2 Dark Theme */
:root[data-theme="dark"] {
  --color-primary: #FFFFFF;
  --color-secondary: #4EA8FF;
  --color-background: #1A1A1A;
  --color-text: #E0E0E0;
  --color-code-bg: #2D2D2D;
  --color-light-gray: #333333;
  --color-medium-gray: #4D4D4D;
  --color-dark-gray: #BBBBBB;
  --color-terminal-bg: #1e1e1e;
  --color-terminal-text: #f0f0f0;
  --color-link-visited: #a4b8ff;
  --color-card-bg: #222;
}

/***************************************
 * 2. BASE STYLES
 ***************************************/

/* 2.1 Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;

  /* Grid layout for sticky footer */
  display: grid;
  grid-template-rows: auto 1fr auto; /* Header (auto), Main (1fr), Footer (auto) */
  min-height: 100vh; /* Ensure body takes full viewport height */
}

body.menu-open {
  overflow: hidden;
}

main {
  /* No special rules needed here unless you have specific padding/margin */
}

.content h2, .content h3, .content h4 {
  margin-top: 2.5rem;
}

/* 2.2 Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-body);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-md);
}

blockquote {
  border-left: 3px solid var(--color-secondary);
  padding-left: var(--space-md);
  margin-left: 0;
  margin-bottom: var(--space-md);
  font-style: italic;
  color: var(--color-dark-gray);
}

hr {
  border: 0;
  height: 1px;
  background-color: var(--color-medium-gray);
  margin: var(--space-xl) 0;
}

/* 2.3 Links */
a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

a:hover, a:focus {
  border-bottom-color: var(--color-secondary);
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 3px;
}

/* Scoped visited links */
a:visited {
  color: var(--color-secondary);
}

.article-content a:visited,
.content-card a:visited {
  color: var(--color-link-visited, #a4b8ff);
}

/* 2.4 Lists */
ul, ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
}

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

/* 2.5 Media */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 2.6 Code */
pre, code {
  font-family: var(--font-code);
  font-size: 0.9rem;
  overflow-x: auto;
  transition: background-color 0.3s ease, color 0.3s ease;
}

code {
  padding: var(--space-xs) var(--space-sm);
  border-radius: 3px;
}

pre {
  background-color: #f0f4f8;
  border: 1px solid var(--color-light-gray);
  padding: var(--space-md);
  border-radius: 4px;
  margin-bottom: var(--space-md);
  overflow-x: auto;
}

.terminal-output {
  background-color: var(--color-terminal-bg, #1e1e1e);
  color: var(--color-terminal-text, #f0f0f0);
  font-family: var(--font-code);
  font-size: 0.9rem;
  line-height: 1.5;
  padding: 1rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow-x: auto;
  white-space: pre;
  margin-bottom: var(--space-lg);
}

/***************************************
 * 3. LAYOUT
 ***************************************/

/* 3.1 Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.single-container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-xxl) var(--space-md);
}

.single-container .content {
  max-width: 70ch;
  margin-bottom: var(--space-xl);
}

.list-container {
  padding: var(--space-xxl) var(--space-md);
}

/* 3.2 Grid */
.two-column-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xxl);
}

.two-column-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xxl);
  align-items: stretch;
}

/***************************************
 * 4. COMPONENTS
 ***************************************/

/* 4.1 Header & Navigation */
.header {
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-light-gray);
  padding: var(--space-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
}

/* Main Navigation */
.main-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
  height: 100%;
}

.main-nav li {
  margin-left: var(--space-lg);
  margin-bottom: 0;
  display: flex;
  align-items: center;
}

.main-nav a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease-in-out;
}

.main-nav a:hover, .main-nav a.active {
  border-bottom-color: var(--color-secondary);
}

/* Mobile menu toggle button */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  z-index: 110;
}

.hamburger-icon {
  display: inline-block;
  width: 24px;
  height: 24px;
  position: relative;
}

.hamburger-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  position: absolute;
  left: 0;
  transition: transform 0.2s ease-in-out, opacity 0.2s ease-in-out;
}

.hamburger-bar:nth-child(1) {
  top: 6px;
}

.hamburger-bar:nth-child(2) {
  top: 12px;
}

.hamburger-bar:nth-child(3) {
  top: 18px;
}

/* Mobile menu open state */
.mobile-menu-open .hamburger-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.mobile-menu-open .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-open .hamburger-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* 4.2 Footer */
.footer {
  width: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background-color: var(--color-primary);
  color: var(--color-background);
  padding: var(--space-xl) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-section h3 {
  margin-bottom: var(--space-md);
  color: var(--color-background);
  font-size: 1.125rem;
}

.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav li {
  margin-bottom: var(--space-sm);
}

.footer-nav li a, .social-links a {
  color: var(--color-footer-link);
  text-decoration: none;
  transition: color 0.2s ease-in-out;
  opacity: 0.8;
}

.footer-nav a:hover, .social-links a:hover {
  color: var(--color-background);
  opacity: 1;
}

.social-links {
  display: flex;
  flex-direction: column;
}

.social-links a {
  margin-bottom: var(--space-sm);
}

.copyright {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  color: var(--color-medium-gray);
  font-size: 0.875rem;
}

/* Dark mode footer styles */
[data-theme="dark"] .footer {
  background-color: #222;
  color: #E0E0E0;
}

[data-theme="dark"] .footer-section h3 {
  color: #fff;
}

[data-theme="dark"] .footer-nav li a,
[data-theme="dark"] .social-links a {
  color: #4EA8FF;
}

[data-theme="dark"] .footer-nav a:hover,
[data-theme="dark"] .social-links a:hover {
  color: #fff;
}

[data-theme="dark"] .copyright {
  color: #6F6E6E;
}

/* 4.3 Hero */
.hero {
  text-align: center;
  padding: var(--space-xxl) 0;
  border-bottom: 1px solid var(--color-light-gray);
  margin-bottom: var(--space-xl);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

/* Featured Sections */
.featured-section {
  margin-bottom: var(--space-xxl);
}

.featured-section h2 {
  margin-bottom: var(--space-xxl);
  position: relative;
  display: inline-block;
}

.featured-section h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 3px;
  background-color: var(--color-secondary);
}

.section-footer {
  margin-top: var(--space-lg);
  text-align: center;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-dark-gray);
  margin-top: -1rem;
  margin-bottom: var(--space-xl);
}

/* 4.4 Buttons */
.btn {
  display: inline-block;
  background-color: var(--color-secondary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  border-radius: 4px;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
  border: 1px solid var(--color-secondary);
}

.btn:hover {
  background-color: #004999; /* darker shade of var(--color-secondary) */
  color: white;
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  color: var(--color-secondary);
  border: 1px solid var(--color-secondary);
}

.btn-outline:hover {
  background-color: var(--color-secondary);
  color: white;
}

a.btn,
a.btn:visited {
  color: white;
  background-color: var(--color-secondary);
  border: 1px solid var(--color-secondary);
}

a.btn-outline,
a.btn-outline:visited {
  color: var(--color-secondary);
  background-color: transparent;
  border: 1px solid var(--color-secondary);
}

.section-footer .btn {
  margin-top: var(--space-md);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* Dark mode button styles */
[data-theme="dark"] a.btn,
[data-theme="dark"] a.btn:visited {
  color: #222;
  background-color: var(--color-secondary);
  border: 1px solid var(--color-secondary);
}

[data-theme="dark"] a.btn-outline,
[data-theme="dark"] a.btn-outline:visited {
  color: var(--color-secondary);
  background-color: transparent;
  border: 1px solid var(--color-secondary);
}

[data-theme="dark"] .btn:hover {
  background-color: #2b63ad;
  color: white;
}


/* 4.5 Cards */
.content-card {
  background-color: var(--color-background);
  border: 1px solid var(--color-medium-gray);
  border-radius: 4px;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  min-height: 250px;
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.content-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
}

[data-theme="dark"] .content-card {
  background-color: var(--color-card-bg);
}

.post-card {
  background-color: var(--color-background);
  border: 1px solid var(--color-medium-gray);
  border-radius: 4px;
  padding: var(--space-lg);
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .post-card {
  background-color: var(--color-card-bg);
}

/* Card titles */
.project-title, .snippet-title {
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.post-title {
  margin-bottom: var(--space-sm);
  font-size: 1.5rem;
}

/* Card meta */
.post-meta, .project-meta, .snippet-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-dark-gray);
}

.snippet-meta {
  gap: var(--space-sm);
}

/* Tags */
.post-tags, .snippet-tags, .tech-tags {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0;
}

.tag, .tech-tag {
  background-color: var(--color-light-gray);
  color: var(--color-dark-gray);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 3px;
  font-size: 0.75rem;
  margin-right: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.tech-tag {
  background-color: rgba(0, 102, 204, 0.1);
  color: var(--color-secondary);
}

.tech-tags + .post-summary {
  margin-top: var(--space-sm);
}

.post-meta + .tech-tags {
  margin-top: -0.5rem;
  margin-bottom: var(--space-xs) !important;
}

/* Card content */
.post-summary, .project-summary, .snippet-summary, .project-description {
  margin-bottom: var(--space-md);
  color: var(--color-dark-gray);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
}

.post-card-content {
  flex-grow: 1;
  display: flex; 
  flex-direction: column;
  justify-content: flex-end;
}

/* Card footer */
.project-card-footer, .snippet-card-footer {
  margin-top: auto;
}

.read-more {
  font-weight: 500;
  display: inline-block;
}

.read-more-link {
  font-weight: 500;
  color: var(--color-secondary);
  text-decoration: none;
  border-bottom: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.read-more-link:hover {
  text-decoration: underline;
}

/* 4.6 Posts */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-xl);
}

/* Post list */
.post-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.post-item {
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-light-gray);
}

.post-item:last-child {
  border-bottom: none;
}

/* Single Post */
.post-header, .project-header, .snippet-header {
  margin-bottom: var(--space-xl);
}

.post-content h2, .project-content h2, .snippet-content h2 {
  margin-top: var(--space-xl);
}

.post-content h3, .project-content h3, .snippet-content h3 {
  margin-top: var(--space-lg);
}

.post-footer, .project-footer, .snippet-footer {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-light-gray);
}

.post-nav, .project-nav, .snippet-nav {
  display: flex;
  justify-content: space-between;
}

.post-nav a, .project-nav a, .snippet-nav a {
  max-width: 45%;
}

/* 4.7 Projects */
.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: stretch;
}

.project-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

/* 4.8 Snippets */
.snippet-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: stretch;
}

.language {
  font-family: var(--font-code);
  font-size: 0.875rem;
  color: var(--color-secondary);
}

/* Index page specific */
.home-container .project-grid,
.home-container .snippet-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

/* 4.9 Code Blocks */
.code-block {
  margin-bottom: var(--space-lg);
  border-radius: 4px;
  overflow: hidden;
}

.code-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-code);
  font-size: 0.875rem;
}

.copy-button {
  background-color: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  font-size: 0.75rem;
  font-family: var(--font-code);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 3px;
  cursor: pointer;
  transition: background-color 0.2s ease-in-out;
}

.copy-button:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.copy-button.copied {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
}

/* 4.10 List Headers */
.list-header {
  text-align: center;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-light-gray);
}

.description {
  color: var(--color-dark-gray);
  max-width: 600px;
  margin: 0 auto;
}

/* 4.11 Posts List */
.posts-list-container {
  margin-top: var(--space-lg);
}

.posts-list-simple {
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-list-item {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-light-gray);
}

.post-list-item:last-child {
  border-bottom: none;
}

.post-meta-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-dark-gray);
}

.post-date {
  font-family: var(--font-code);
}

.post-list-title {
  margin-top: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: 1.75rem;
}

.post-list-title a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: none;
  transition: color 0.2s ease-in-out;
}

.post-list-title a:hover {
  color: var(--color-secondary);
}

.post-excerpt {
  margin-top: var(--space-sm);
  margin-bottom: var(--space-md);
  color: var(--color-dark-gray);
  line-height: 1.6;
}

/* 4.12 Pagination */
.pagination-container {
  margin-top: var(--space-xxl);
  display: flex;
  justify-content: center;
}

.pagination {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: var(--space-xs);
}

.page-item {
  margin: 0;
}

.page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 4px;
  border: 1px solid var(--color-light-gray);
  color: var(--color-text);
  text-decoration: none;
  transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
}

.page-link:hover {
  background-color: var(--color-light-gray);
}

.page-item.active .page-link {
  background-color: var(--color-secondary);
  color: white;
  border-color: var(--color-secondary);
}

.page-item.disabled .page-link {
  color: var(--color-medium-gray);
  pointer-events: none;
}

/* 4.13 Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-xxl) 0;
  color: var(--color-dark-gray);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

/***************************************
 * 5. UTILITIES
 ***************************************/

/* 5.1 Theme Toggle */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  display: flex;
  align-items: center;
  color: var(--color-text);
}

.theme-toggle:hover {
  color: var(--color-secondary);
}

.theme-toggle .sun-icon {
  display: none;
}

.theme-toggle .moon-icon {
  display: block;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: block;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: none;
}

.theme-toggle-text {
  display: none;
}

.theme-toggle-wrapper {
  display: flex;
  align-items: center;
}

.main-nav ul .theme-toggle-wrapper {
  margin-left: var(--space-md);
}

/* 5.2 Responsive */
@media (max-width: 768px) {
  /* Typography responsive */
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }

  /* Container responsive */
  .single-container, .container {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }

  /* Theme toggle responsive */
  .theme-toggle-wrapper {
    width: 100%;
    padding: 1rem;
    border-top: 1px solid var(--color-light-gray);
    margin-bottom: var(--space-lg);
  }

  .theme-toggle {
    width: 100%;
    justify-content: flex-start;
    gap: 0.5rem;
  }

  .theme-toggle-text {
    display: inline;
  }

  /* Mobile menu responsive */
  .mobile-menu-toggle {
    display: block;
  }

  .header-inner {
    flex-direction: row;
    align-items: center;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--color-background);
    padding: calc(var(--space-xxl) + var(--space-xl)) var(--space-lg) var(--space-lg);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease-in-out;
    overflow-y: auto;
    z-index: 100;
  }

  .main-nav.open {
    right: 0;
  }

  .main-nav ul {
    flex-direction: column;
  }

  .main-nav li {
    margin-left: 0;
    margin-bottom: var(--space-lg);
    width: 100%;
  }

  .main-nav a {
    display: block;
    padding: var(--space-md) var(--space-sm);
    font-size: 1.2rem;
    border-bottom: none;
    border-left: 3px solid transparent;
    width: 100%;
  }

  .main-nav a:hover, .main-nav a.active {
    border-bottom-color: transparent;
    border-left-color: var(--color-secondary);
    background-color: var(--color-light-gray);
  }

  /* Mobile overlay */
  .mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 90;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
  }

  .mobile-overlay.visible {
    display: block;
    opacity: 1;
  }

  /* Grid responsive */
  .two-column-section,
  .two-column-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

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

  .post-meta, .project-meta, .snippet-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }

  .post-tags, .snippet-tags, .tech-tags {
    margin-left: 0;
  }

  .single-container, .container {
    width: 100%;
    max-width: 100%;
  }
}