:root {
  --bg-color: #0f172a;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-color: #3b82f6;
  --accent-hover: #60a5fa;
  --card-bg: #1e293b;
  --border-color: #334155;
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --max-width: 800px;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-family);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-hover);
}

header {
  background: rgba(30, 41, 59, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 0;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-nav {
  display: flex;
  gap: 1.5rem;
}

.top-nav a {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

.top-nav a:hover {
  color: var(--accent-color);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  background: linear-gradient(to right, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

main {
  max-width: var(--max-width);
  margin: 3rem auto;
  padding: 0 1.5rem;
}

/* Homepage Styles */
.hero {
  text-align: center;
  margin-bottom: 4rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.hero p {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.blog-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.blog-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.blog-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  border-color: var(--accent-color);
}

.blog-card h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.blog-card h2 a {
  color: var(--text-primary);
}

.blog-card h2 a:hover {
  color: var(--accent-color);
}

.blog-date {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  display: block;
}

.blog-excerpt {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.read-more {
  display: inline-block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

/* Post Styles */
.post-header {
  margin-bottom: 3rem;
  text-align: center;
}

.post-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.post-meta {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 2rem;
}

.featured-image-container {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 3rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
}

.featured-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.featured-image-placeholder {
  color: var(--text-secondary);
  font-size: 1.2rem;
  font-weight: 600;
}

.post-content h2 {
  font-size: 1.75rem;
  margin: 2.5rem 0 1rem;
  color: var(--text-primary);
}

.post-content h3 {
  font-size: 1.25rem;
  margin: 2rem 0 1rem;
  color: var(--text-primary);
}

.post-content p {
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
  color: #cbd5e1;
}

.post-content ul, .post-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  font-size: 1.125rem;
  color: #cbd5e1;
}

.post-content li {
  margin-bottom: 0.5rem;
}

.post-content strong {
  color: var(--text-primary);
}

.post-content hr {
  border: 0;
  height: 1px;
  background: var(--border-color);
  margin: 3rem 0;
}

/* Page Styles (About, Privacy, etc.) */
.page-header {
  margin-bottom: 3rem;
  text-align: center;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.page-content {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.5rem;
}

.page-content p {
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
  color: #cbd5e1;
}

.page-content h2 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
  color: var(--text-primary);
}

footer {
  text-align: center;
  padding: 3rem 0 2rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  margin-top: 4rem;
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  font-weight: 600;
}

.footer-links a:hover {
  color: var(--text-primary);
}

@media (max-width: 640px) {
  .post-title, .page-title {
    font-size: 2rem;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .page-content {
    padding: 1.5rem;
  }
}