body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: #ffffff;
  color: #1f2937;
  line-height: 1.7;
}

.site-header {
  background-color: #fff;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.8rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: 36px;
}

.blog-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 4rem 1.5rem;
  background: #f9fafb;
  border-bottom: 1px solid #e5e7eb;
}

.hero-image {
  max-width: 240px;
  margin-bottom: 1.5rem;
  border-radius: 40px;
}

.hero-text h1 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #111827;
}

.hero-text p {
  max-width: 700px;
  font-size: 1.125rem;
  color: #4b5563;
}

.blog-container {
  max-width: 900px;
  margin: 3rem auto;
  margin-bottom: 0;
  padding: 0 1.5rem;
}

.blog-content h2 {
  margin-top: 2.5rem;
  color: #111827;
  font-size: 1.5rem;
}

.blog-content h3 {
  margin-top: 1.5rem;
  color: #1e3a8a;
  font-size: 1.25rem;
}

.blog-content p {
  margin-top: 1rem;
  color: #374151;
}

.blog-content ul,
.blog-content ol {
  margin-left: 1.5rem;
  color: #374151;
}

blockquote {
  border-left: 4px solid #2563eb;
  background-color: #f3f4f6;
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 6px;
  font-style: italic;
}

.tip-box {
  background: #eef6ff;
  border-left: 4px solid #2563eb;
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 6px;
}

.tip-box h4 {
  margin: 0 0 0.5rem;
  color: #1e40af;
}

.site-footer {
  background-color: #f9fafb;
  border-top: 1px solid #e5e7eb;
  text-align: center;
  padding: 1.5rem;
  color: #6b7280;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .hero-image {
    max-width: 180px;
  }
  .hero-text h1 {
    font-size: 1.75rem;
  }
  .blog-content {
    padding: 0 1rem;
  }
}

.continue-learning {
    border-top: 1px solid #e5e7eb;
    padding: 4rem 1.5rem;
    text-align: center;
    margin-top: 4rem;
}

.continue-learning h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 1rem;
}

.continue-learning p {
    max-width: 700px;
    margin: 0 auto 2rem auto;
    font-size: 1.1rem;
    color: #4b5563;
}

.back-to-guides {
    display: inline-block;
    padding: 0.75rem 1.6rem;
    background: #2563eb;
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    border-radius: 999px;
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.back-to-guides:hover {
    background: #1e40af;
    box-shadow: 0 4px 10px rgba(0,0,0,0.12);
}

.guide-disclaimer {
    background: #f3f4f6;
    border-left: 4px solid #ef4444;
    padding: 1.2rem 1.5rem;
    margin: 3rem 0 2rem 0;
    border-radius: 6px;
}

.guide-disclaimer p {
    margin: 0;
    color: #374151;
    font-size: 0.95rem;
    line-height: 1.6;
}

.blog-faq {
    margin-top: 3rem;
    background: #f9fafb;
    padding: 2rem 1.5rem;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
}

.blog-faq h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #111827;
}

.faq-item h3 {
    margin-top: 1.5rem;
    font-size: 1.125rem;
    color: #1e3a8a;
}

.faq-item p {
    margin-top: 0.5rem;
    color: #374151;
}

.glossary-search {
  margin: 2rem 0;
}

.glossary-search input {
  width: 100%;
  padding: 1rem;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  font-size: 1rem;
}

.az-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.az-nav a {
  padding: 0.4rem 0.7rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  text-decoration: none;
  color: #1e3a8a;
  font-weight: 600;
  font-size: 0.9rem;
}

.az-nav a:hover {
  background: #e5e7eb;
}

.glossary-item {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.glossary-term {
  width: 100%;
  text-align: left;
  padding: 1rem 1.2rem;
  background: #f9fafb;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: #111827;
  cursor: pointer;
}

.glossary-term.active {
  background: #e0e7ff;
}

.glossary-definition {
  display: none;
  padding: 1rem 1.2rem;
  background: #ffffff;
  color: #374151;
  font-size: 0.95rem;
}