/* =========================================================
   AI Examentrainer – shared landing page styles
   Matches design system of homepage (components/LandingPageNew.tsx)
   Fonts: Roboto (body) + Merriweather (headings)
   Primary: #1a56db (blue)
   ========================================================= */

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Roboto', Helvetica, Arial, sans-serif;
  background-color: #ffffff;
  color: #111827;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Navigation ---------- */
nav {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-container {
  max-width: 1152px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: #111827;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: #1a56db;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  flex-shrink: 0;
}
.logo-icon svg {
  width: 20px;
  height: 20px;
  stroke: #ffffff;
}
.logo-text {
  font-weight: 700;
  font-size: 1.125rem;
  color: #111827;
}
.nav-links {
  display: flex;
  gap: 1.75rem;
  align-items: center;
}
.nav-links a {
  text-decoration: none;
  color: #4b5563;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover {
  color: #111827;
}
.btn-login {
  color: #1a56db !important;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border: 1px solid #1a56db;
  border-radius: 4px;
  transition: background-color 0.2s, color 0.2s;
}
.btn-login:hover {
  background: #1a56db;
  color: #ffffff !important;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: 'Merriweather', Georgia, serif;
  color: #111827;
  font-weight: 700;
}
h1 {
  font-size: 2.25rem;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}
@media (min-width: 640px) {
  h1 { font-size: 3rem; }
}
h2 {
  font-size: 1.875rem;
  text-align: center;
  margin-bottom: 0.75rem;
  line-height: 1.25;
}
@media (min-width: 768px) {
  h2 { font-size: 2.25rem; }
}
h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

/* ---------- Hero ---------- */
.hero {
  padding: 5rem 1.5rem 4rem;
  background-color: #f5f5f5;
  text-align: center;
}
.hero-container {
  max-width: 820px;
  margin: 0 auto;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  color: #4b5563;
  margin-bottom: 1.5rem;
  border: 1px solid #e5e7eb;
  font-weight: 500;
}
.hero-subtitle {
  font-family: 'Roboto', sans-serif;
  font-size: 1.125rem;
  color: #4b5563;
  margin-bottom: 2rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}
.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 1rem;
}
@media (min-width: 640px) {
  .cta-buttons { flex-direction: row; }
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: #1a56db;
  color: #ffffff;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s;
  font-family: inherit;
}
.btn-primary:hover { background: #1442b5; }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  background: #ffffff;
  color: #374151;
  font-weight: 500;
  font-size: 1rem;
  border: 1px solid #d1d5db;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color 0.2s;
  font-family: inherit;
}
.btn-secondary:hover { background: #f9fafb; }
.hero-note {
  font-size: 0.875rem;
  color: #6b7280;
}

/* ---------- Sections ---------- */
.topics,
.features,
.faq,
.cta,
.related,
.article,
.article-white {
  padding: 4rem 1.5rem;
}
.topics { background: #ffffff; }
.features { background: #f9fafb; }
.faq { background: #ffffff; }
.related { background: #f9fafb; }
.article { background: #f9fafb; }
.article-white { background: #ffffff; }
.cta { background: #ffffff; }

.topics-container,
.features-container,
.related-container {
  max-width: 1152px;
  margin: 0 auto;
}
.faq-container { max-width: 720px; margin: 0 auto; }
.cta-container { max-width: 720px; margin: 0 auto; }
.article-container { max-width: 800px; margin: 0 auto; }

.section-subtitle {
  text-align: center;
  color: #6b7280;
  margin-bottom: 3rem;
  font-size: 1.125rem;
}

/* ---------- Topic / card grids ---------- */
.topics-grid,
.features-grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .topics-grid,
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
.topic-card {
  background: #ffffff;
  border-radius: 8px;
  padding: 1.75rem;
  border: 1px solid #e5e7eb;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: box-shadow 0.2s, transform 0.2s;
}
.topic-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}
.topic-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
  color: #111827;
}
.topic-card ul { list-style: none; }
.topic-card li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
  color: #374151;
  line-height: 1.5;
  font-family: 'Roboto', sans-serif;
}
.topic-card li::before {
  content: "✓";
  color: #1a56db;
  font-weight: 700;
  flex-shrink: 0;
}

/* ---------- Feature cards ---------- */
.feature-card {
  background: #ffffff;
  border-radius: 8px;
  padding: 1.75rem;
  border: 1px solid #e5e7eb;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}
.feature-icon {
  width: 48px;
  height: 48px;
  background: #dbeafe;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.feature-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: #111827;
}
.feature-card p {
  color: #4b5563;
  font-size: 0.9375rem;
  line-height: 1.6;
  font-family: 'Roboto', sans-serif;
}

/* ---------- FAQ ---------- */
.faq-item {
  background: #ffffff;
  border-radius: 8px;
  margin-bottom: 0.75rem;
  border: 1px solid #e5e7eb;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: #111827;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
  transition: background-color 0.2s;
}
.faq-question:hover { background: #f9fafb; }
.faq-question::after {
  content: "+";
  font-size: 1.5rem;
  color: #1a56db;
  transition: transform 0.2s;
  font-weight: 400;
  margin-left: 1rem;
  flex-shrink: 0;
}
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: #4b5563;
  line-height: 1.7;
  font-family: 'Roboto', sans-serif;
}
.faq-item.open .faq-answer { display: block; }

/* ---------- CTA banner ---------- */
.cta-container {
  text-align: center;
  background: #1a56db;
  border-radius: 8px;
  padding: 3rem 2rem;
  color: #ffffff;
}
.cta-container h2 {
  color: #ffffff;
  margin-bottom: 1rem;
}
.cta-container p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  font-size: 1.0625rem;
  font-family: 'Roboto', sans-serif;
}
.cta-container .btn-primary {
  background: #ffffff;
  color: #1a56db;
}
.cta-container .btn-primary:hover {
  background: #f3f4f6;
}

/* ---------- Related pages ---------- */
.related-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) {
  .related-grid { grid-template-columns: repeat(3, 1fr); }
}
.related-card {
  background: #ffffff;
  border-radius: 6px;
  padding: 1rem 1.25rem;
  border: 1px solid #e5e7eb;
  text-decoration: none;
  color: #111827;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: background-color 0.2s, border-color 0.2s;
  display: block;
}
.related-card:hover {
  background: #f9fafb;
  border-color: #1a56db;
}

/* ---------- Article blocks (biologie etc.) ---------- */
.article-container h2,
.article-white .article-container h2 {
  text-align: left;
  margin-bottom: 1rem;
}
.article-container p {
  color: #374151;
  font-size: 1.0625rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
  font-family: 'Roboto', sans-serif;
}
.article-container h3 {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: #111827;
}
.article-container ul {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  color: #374151;
  font-family: 'Roboto', sans-serif;
}
.article-container li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

/* Veelgemaakte fouten grid */
.mistakes-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}
@media (min-width: 768px) {
  .mistakes-grid { grid-template-columns: repeat(2, 1fr); }
}
.mistake-card {
  background: #fef2f2;
  border-left: 4px solid #ef4444;
  padding: 1rem 1.25rem;
  border-radius: 4px;
}
.mistake-card h4 {
  font-family: 'Merriweather', Georgia, serif;
  font-weight: 700;
  color: #991b1b;
  margin-bottom: 0.25rem;
  font-size: 0.9375rem;
}
.mistake-card p {
  color: #374151;
  font-size: 0.875rem;
  margin: 0;
  line-height: 1.5;
  font-family: 'Roboto', sans-serif;
}

/* Strategie per niveau */
.strategy-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
@media (min-width: 768px) {
  .strategy-grid { grid-template-columns: repeat(3, 1fr); }
}
.strategy-card {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 1.5rem;
  border-radius: 8px;
}
.strategy-card h4 {
  font-family: 'Merriweather', Georgia, serif;
  font-weight: 700;
  color: #1e3a8a;
  margin-bottom: 0.75rem;
  font-size: 1.0625rem;
}
.strategy-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.strategy-card li {
  font-size: 0.875rem;
  color: #374151;
  padding-left: 1.25rem;
  position: relative;
  margin-bottom: 0.5rem;
  line-height: 1.5;
  font-family: 'Roboto', sans-serif;
}
.strategy-card li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: #1a56db;
  font-weight: 700;
}

/* ---------- Footer ---------- */
footer {
  padding: 3rem 1.5rem 2rem;
  background: #111827;
  color: #9ca3af;
}
.footer-container {
  max-width: 1152px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
}
@media (min-width: 768px) {
  .footer-container {
    flex-direction: row;
    justify-content: space-between;
  }
}
footer .logo { color: #ffffff; }
footer .logo-text { color: #ffffff; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}
.footer-links a {
  color: #9ca3af;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: #ffffff; }
.footer-copy {
  color: #6b7280;
  font-size: 0.875rem;
}

/* ---------- Levels section (VMBO / HAVO / VWO) ---------- */
.levels {
  padding: 4rem 1.5rem;
  background: #ffffff;
}
.levels-container {
  max-width: 1152px;
  margin: 0 auto;
}
.levels-grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .levels-grid { grid-template-columns: repeat(3, 1fr); }
}
.level-card {
  background: #ffffff;
  border-radius: 8px;
  padding: 2rem;
  border: 1px solid #e5e7eb;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: box-shadow 0.2s, transform 0.2s;
}
.level-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}
.level-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #111827;
}
.level-card .type {
  color: #1a56db;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  font-family: 'Roboto', sans-serif;
}
.level-card ul {
  list-style: none;
  margin-bottom: 1.5rem;
}
.level-card li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
  color: #374151;
  font-family: 'Roboto', sans-serif;
}
.level-card li::before {
  content: "✓";
  color: #1a56db;
  font-weight: 700;
  flex-shrink: 0;
}
.level-card a {
  display: block;
  text-align: center;
  padding: 0.75rem;
  background: #1a56db;
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
  border-radius: 4px;
  border: 1px solid #1a56db;
  transition: background-color 0.2s;
  font-family: 'Roboto', sans-serif;
}
.level-card a:hover {
  background: #1442b5;
}

/* ---------- Subjects grid (HAVO/VWO/VMBO pages) ---------- */
.subjects {
  padding: 4rem 1.5rem;
  background: #ffffff;
}
.subjects-container {
  max-width: 1152px;
  margin: 0 auto;
}
.subjects-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) {
  .subjects-grid { grid-template-columns: repeat(4, 1fr); }
}
.subject-card {
  background: #ffffff;
  border-radius: 8px;
  padding: 1.25rem;
  border: 1px solid #e5e7eb;
  text-align: center;
  text-decoration: none;
  color: #111827;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}
.subject-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border-color: #1a56db;
}
.subject-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}
.subject-name {
  font-weight: 600;
  font-size: 0.9375rem;
  font-family: 'Roboto', sans-serif;
}

/* ---------- Intro section ---------- */
.intro {
  padding: 4rem 1.5rem;
  background: #ffffff;
}
.intro .container,
.intro .intro-container {
  max-width: 800px;
  margin: 0 auto;
}
.intro p {
  color: #374151;
  font-size: 1.0625rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
  font-family: 'Roboto', sans-serif;
}

/* ---------- Blog-specific ---------- */
/* Article hero (blog posts) */
.article-hero {
  padding: 5rem 1.5rem 3rem;
  background: #f5f5f5;
}
.article-hero-inner {
  max-width: 760px;
  margin: 0 auto;
}
.breadcrumb {
  font-size: 0.875rem;
  color: #6b7280;
  margin-bottom: 1rem;
  font-family: 'Roboto', sans-serif;
}
.breadcrumb a {
  color: #1a56db;
  text-decoration: none;
}
.breadcrumb a:hover { text-decoration: underline; }
.article-badge {
  display: inline-block;
  background: #dbeafe;
  color: #1e40af;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
  font-family: 'Roboto', sans-serif;
}
.article-meta {
  display: flex;
  gap: 1rem;
  color: #6b7280;
  font-size: 0.875rem;
  margin-top: 1rem;
  font-family: 'Roboto', sans-serif;
}
.article-body {
  padding: 3rem 1.5rem 4rem;
  background: #ffffff;
}
.article-body .article-container {
  max-width: 760px;
  margin: 0 auto;
}
.article-body h2 {
  text-align: left;
  font-size: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}
.article-body h3 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
}

/* Step cards (blog guide) */
.step-card {
  background: #f9fafb;
  border-left: 4px solid #1a56db;
  padding: 1.5rem;
  border-radius: 4px;
  margin-bottom: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.step-number {
  background: #1a56db;
  color: #ffffff;
  width: 36px;
  height: 36px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  font-family: 'Roboto', sans-serif;
}
.step-content h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.0625rem;
}
.step-content p {
  color: #4b5563;
  font-size: 0.9375rem;
  line-height: 1.6;
  font-family: 'Roboto', sans-serif;
}

/* Highlight box */
.highlight-box {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1.5rem 0;
}
.highlight-box p {
  margin-bottom: 0;
  color: #1e3a8a;
  font-family: 'Roboto', sans-serif;
}

/* Tip list */
.tip-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.5rem;
}
.tip-list li {
  background: #f9fafb;
  border-left: 3px solid #1a56db;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  border-radius: 4px;
  font-family: 'Roboto', sans-serif;
}
.tip-number {
  display: inline-block;
  background: #1a56db;
  color: #ffffff;
  width: 24px;
  height: 24px;
  border-radius: 9999px;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  margin-right: 0.5rem;
  line-height: 24px;
}
.tip-content { display: inline; }

/* Comparison table (blog) */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9375rem;
  font-family: 'Roboto', sans-serif;
}
.comparison-table th,
.comparison-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
  color: #374151;
}
.comparison-table th {
  background: #f9fafb;
  font-weight: 700;
  color: #111827;
}
.comparison-table td.pro { color: #059669; font-weight: 600; }
.comparison-table td.con { color: #dc2626; font-weight: 600; }
.comparison-table td.neutral { color: #6b7280; }
.winner-badge {
  display: inline-block;
  background: #dbeafe;
  color: #1e40af;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-left: 0.5rem;
}

/* Cost box */
.cost-box {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1.5rem 0;
}
.cost-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid #e5e7eb;
  font-family: 'Roboto', sans-serif;
}
.cost-row:last-child { border-bottom: none; }
.cost-highlight {
  font-weight: 700;
  color: #1a56db;
}

/* Blog articles grid (blog index) */
.articles-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .articles-grid { grid-template-columns: repeat(3, 1fr); }
}
.card {
  background: #ffffff;
  border-radius: 8px;
  padding: 1.75rem;
  border: 1px solid #e5e7eb;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}
.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}
.card h2,
.card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  text-align: left;
}
.card p {
  color: #4b5563;
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  flex-grow: 1;
  font-family: 'Roboto', sans-serif;
}
.card-tag {
  display: inline-block;
  background: #dbeafe;
  color: #1e40af;
  padding: 0.125rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  font-family: 'Roboto', sans-serif;
}
.card-link {
  color: #1a56db;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  font-family: 'Roboto', sans-serif;
}
.card-link:hover { text-decoration: underline; }

/* CTA box (blog sidebar / inline) */
.cta-box {
  background: #1a56db;
  color: #ffffff;
  padding: 2rem;
  border-radius: 8px;
  text-align: center;
  margin: 2rem 0;
}
.cta-box h3 {
  color: #ffffff;
  margin-bottom: 0.5rem;
}
.cta-box p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1.25rem;
  font-family: 'Roboto', sans-serif;
}
.cta-box .btn-primary {
  background: #ffffff;
  color: #1a56db;
}
.cta-box .btn-primary:hover {
  background: #f3f4f6;
}

/* Use case (blog) */
.use-case {
  background: #f9fafb;
  border-left: 4px solid #1a56db;
  padding: 1.25rem;
  border-radius: 4px;
  margin: 1rem 0;
  font-family: 'Roboto', sans-serif;
}

/* Related links block */
.related-links {
  padding: 4rem 1.5rem;
  background: #f9fafb;
}
.related-links .container {
  max-width: 1152px;
  margin: 0 auto;
}

/* Generic container utility */
.container {
  max-width: 1152px;
  margin: 0 auto;
}

/* Nav variants used on some pages */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: #111827;
}
.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: #1a56db;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: #1a56db;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.2s;
}
.nav-cta:hover { background: #1442b5; }

/* Topic tag */
.topic-tag {
  display: inline-block;
  background: #dbeafe;
  color: #1e40af;
  padding: 0.125rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-right: 0.375rem;
  margin-bottom: 0.375rem;
  font-family: 'Roboto', sans-serif;
}

/* Topics list (inline) */
.topics-list {
  list-style: none;
  padding: 0;
  margin: 0;
}