:root {
  --bg-color: #000000;
  --text-color: #ffffff;
  --primary-color: #c62828;
  --secondary-color: #8b0000;
  --accent-color: #d4af37;
  --border-color: rgba(255, 255, 255, 0.1);
  --nav-bg: rgba(0, 0, 0, 0.95);
  --card-bg: rgba(15, 15, 15, 0.95);

  /* Font stacks */
  --heading-font: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --body-font: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

@keyframes fadeIn {
  from {
    opacity: 1;
    transform: none;
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes slideIn {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    transform: scale(0.95);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

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

body {
  font-family: var(--body-font);
  background: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  font-size: 1.125rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--heading-font);
  margin: 2rem 0;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin: 0 0 2rem;
  letter-spacing: -0.03em;
  animation: slideIn 1s ease-out;
}

h2 {
  font-size: 2.5rem;
  margin: 4rem 0 2rem;
  position: relative;
  padding-bottom: 1rem;
}

h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

h2:hover::after {
  width: 120px;
}

h3 {
  font-size: 1.8rem;
  color: var(--text-color);
  margin: 3rem 0 1.5rem;
}

p {
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
  line-height: 1.8;
}

/* Navigation */
.main-nav {
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.main-nav.scrolled {
  background: var(--bg-color);
  box-shadow: 0 2px 20px rgba(198, 40, 40, 0.1);
}

.main-nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 5rem;
}

.logo {
  font-family: var(--heading-font);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.logo:hover {
  color: var(--primary-color);
}

.nav-links {
  display: flex;
  gap: 3rem;
  align-items: center;
}

.nav-links a {
  font-family: var(--heading-font);
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  padding: 0.5rem 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

/* Blog Posts */
.blog-posts {
  display: grid;
  gap: 2rem;
  margin: 2rem 0;
}

.blog-post {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  overflow: hidden;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    border-color 0.3s ease;
}

.blog-post:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(198, 40, 40, 0.1);
  border-color: var(--primary-color);
}

.blog-post .thumbnail {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid var(--border-color);
  transition: transform 0.3s ease;
}

.blog-post:hover .thumbnail {
  transform: scale(1.02);
}

.blog-post .content {
  padding: 1.5rem;
  background: transparent;
  border: none;
  margin: 0;
}

.blog-post h2 {
  margin: 0 0 1rem;
  font-size: 1.5rem;
}

.blog-post h2 a {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.blog-post h2 a:hover {
  color: var(--primary-color);
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.blog-meta .date {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag {
  background: var(--card-bg);
  color: var(--text-color);
  text-decoration: none;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
}

.tag:hover {
  background: var(--primary-color);
  color: var(--text-color);
  border-color: var(--primary-color);
}

.tag[data-count]::after {
  content: attr(data-count);
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--primary-color);
  color: var(--text-color);
  font-size: 0.75rem;
  padding: 0.125rem 0.375rem;
  border-radius: 1rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.tag:hover[data-count]::after {
  opacity: 1;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  margin-top: 1rem;
  transition: all 0.3s ease;
}

.read-more:hover {
  gap: 0.75rem;
  color: var(--accent-color);
}

/* Blog Content */
.blog-content {
  margin-top: 2rem;
  animation: scaleIn 0.5s ease-out;
}

.blog-content img {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
  margin: 2rem auto;
  display: block;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Code Blocks */
pre {
  background: rgba(0, 0, 0, 0.3);
  padding: 1.5rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9em;
}

/* Footer */
footer {
  background: var(--card-bg);
  padding: 4rem 0;
  margin-top: 6rem;
  border-top: 1px solid var(--border-color);
}

.footer-links {
  display: flex;
  gap: 3rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.footer-links a {
  font-family: var(--heading-font);
  color: var(--text-color);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
}

.copyright {
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

/* Search */
.search-container {
  position: relative;
  max-width: 600px;
  margin: 1rem auto;
  z-index: 1000;
}

#search-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--card-bg);
  color: var(--text-color);
  transition: all 0.3s ease;
}

#search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.1);
}

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin-top: 0.5rem;
  max-height: 80vh;
  overflow-y: auto;
  display: none;
  z-index: 1000;
}

.search-result {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.3s ease;
}

.search-result:last-child {
  border-bottom: none;
}

.search-result:hover {
  background-color: rgba(198, 40, 40, 0.05);
}

.search-result h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.2rem;
}

.search-result h3 a {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.search-result h3 a:hover {
  color: var(--primary-color);
}

.search-result .meta {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.5rem;
}

.search-result .meta span {
  margin-right: 1rem;
}

.search-result p {
  margin: 0.5rem 0;
  font-size: 0.95rem;
  color: var(--text-color);
}

.search-result .tags {
  margin-top: 0.5rem;
}

.search-result mark {
  background-color: rgba(198, 40, 40, 0.2);
  color: inherit;
  padding: 0.1rem 0.2rem;
  border-radius: 2px;
}

.no-results,
.error {
  padding: 1rem;
  text-align: center;
  color: var(--text-color);
  font-style: italic;
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  background-color: var(--primary-color);
  color: var(--text-color);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  z-index: 1000;
}

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

.back-to-top:hover {
  background-color: var(--accent-color);
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Mobile Menu */
.hamburger {
  display: none;
  cursor: pointer;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 2rem;
  }
  h3 {
    font-size: 1.5rem;
  }

  .container {
    padding: 0 1.5rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 5rem;
    left: 0;
    width: 100%;
    background: var(--nav-bg);
    padding: 1rem 0;
    flex-direction: column;
    gap: 1rem;
  }

  .nav-links.active {
    display: flex;
  }

  .hamburger {
    display: block;
  }

  .blog-content {
    margin-top: 5rem;
  }
}

/* Content */
.content {
  margin-top: 7rem;
  padding: 1rem 0;
}

.blog-header {
  margin-top: 5rem;
  padding: 2rem 0;
  background: var(--card-bg);
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  font-size: 1.25rem;
  color: var(--text-color);
  transition: transform 0.3s ease;
}

.theme-toggle:hover {
  transform: scale(1.1);
}

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

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Dark theme colors */
[data-theme="light"] {
  --bg-color: #ffffff;
  --text-color: #1a1a1a;
  --primary-color: #c62828;
  --secondary-color: #8b0000;
  --accent-color: #d4af37;
  --border-color: rgba(0, 0, 0, 0.1);
  --nav-bg: rgba(255, 255, 255, 0.95);
  --card-bg: rgba(255, 255, 255, 0.95);
}

/* Blog Grid Layout */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
  margin: 2rem 0;
}

.blog-main {
  min-width: 0;
}

.blog-sidebar {
  position: sticky;
  top: 7rem;
  height: fit-content;
}

.sidebar-section {
  background: var(--card-bg);
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
}

.sidebar-section h3 {
  margin: 0 0 1rem;
  font-size: 1.25rem;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-cloud .tag[data-count]::after {
  content: attr(data-count);
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  background: var(--primary-color);
  color: white;
  font-size: 0.75rem;
  padding: 0.125rem 0.375rem;
  border-radius: 1rem;
}

.rss-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.rss-link:hover {
  color: var(--accent-color);
}

/* Blog Posts Grid */
.blog-posts {
  display: grid;
  gap: 2rem;
}

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

  .blog-sidebar {
    position: static;
    margin-top: 2rem;
  }
}

@media (max-width: 768px) {
  .blog-post .thumbnail {
    height: 150px;
  }

  .blog-post .content {
    padding: 1rem;
  }

  .blog-post h2 {
    font-size: 1.25rem;
  }

  .search-results {
    max-height: 400px;
  }
}

/* Remove fade-in animation from blog posts */
.fade-in {
  animation: none !important;
  opacity: 1 !important;
  transform: none !important;
}

.post-thumbnail {
  margin: 2rem 0;
  text-align: center;
}

.post-thumbnail img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  display: block;
  margin: 0 auto;
}

/* Animation styles */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s ease-out,
    transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hamburger menu styles */
.hamburger {
  display: none;
  width: 30px;
  height: 20px;
  position: relative;
  margin: 10px;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  .hamburger span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--text-color);
    transition: all 0.3s ease;
  }

  .hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
}

/* Back to top button styles */
#back-to-top {
  opacity: 0;
  visibility: hidden;
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--accent-color);
  color: var(--background-color);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 1000;
}

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

#back-to-top:hover {
  transform: translateY(-5px);
  background: var(--accent-color-hover);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.5rem 0;
}

.project-tag {
  background: var(--card-bg);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.project-tag:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(198, 40, 40, 0.1);
}