/* === IA BLOG STYLES === */

/* --- NAV --- */
.blog-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 16px 32px;
  backdrop-filter: blur(12px);
  background: rgba(5, 8, 15, 0.9);
  border-bottom: 1px solid var(--border);
}

.blog-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
}

.blog-wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.12em;
  color: var(--white);
  text-decoration: none;
  flex-shrink: 0;
}

.blog-nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.blog-nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-300);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.blog-nav-links a:hover { color: var(--cyan); }

/* --- HUB PAGE --- */
.hub-hero {
  padding: 80px 64px 64px;
  max-width: 1100px;
  margin: 0 auto;
}

.hub-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hub-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--cyan);
}

.hub-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 60px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 16px;
}

.hub-sub {
  font-size: 18px;
  color: var(--gray-300);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 64px 80px;
}

.article-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.article-card:hover {
  border-color: rgba(0, 212, 255, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 212, 255, 0.06);
}

.card-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
  background: var(--surface-2);
}

.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.card-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 100px;
  width: fit-content;
}

.card-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
  margin: 0;
}

.card-excerpt {
  font-size: 14px;
  color: var(--gray-300);
  line-height: 1.65;
  flex: 1;
}

.card-meta {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--gray-500);
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* --- ARTICLE LAYOUT --- */
.article-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.article-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.article-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.badge-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 100px;
}

.article-h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 20px;
}

.article-meta {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: var(--gray-500);
}

.article-meta strong { color: var(--gray-300); }

.article-body {
  font-size: 17px;
  line-height: 1.75;
  color: var(--gray-100);
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  margin: 48px 0 20px;
  letter-spacing: -0.01em;
}

.article-body h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin: 32px 0 12px;
}

.article-body p {
  margin-bottom: 24px;
}

.article-body strong { color: var(--white); font-weight: 600; }

.article-body ul, .article-body ol {
  margin: 0 0 24px 24px;
}

.article-body li {
  margin-bottom: 10px;
}

.article-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body a:hover { opacity: 0.8; }

.article-body blockquote {
  border-left: 3px solid var(--cyan);
  padding: 16px 24px;
  margin: 32px 0;
  background: var(--surface);
  border-radius: 0 8px 8px 0;
  color: var(--gray-300);
  font-style: italic;
}

/* Callout boxes */
.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 32px 0;
}

.callout-icon { font-size: 20px; margin-bottom: 8px; }

.callout-title {
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  font-size: 15px;
}

.callout-body { font-size: 15px; color: var(--gray-300); }

/* Step list */
.step-list {
  list-style: none;
  margin: 32px 0;
  padding: 0;
  counter-reset: steps;
}

.step-list li {
  counter-increment: steps;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.step-list li::before {
  content: counter(steps);
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--cyan);
  color: var(--bg);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Idea card grid */
.idea-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 32px 0;
}

.idea-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  transition: border-color 0.2s;
}

.idea-card:hover { border-color: rgba(0, 212, 255, 0.3); }

.idea-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 8px;
}

.idea-name {
  font-weight: 700;
  color: var(--white);
  font-size: 16px;
  margin-bottom: 8px;
}

.idea-desc { font-size: 14px; color: var(--gray-300); }

/* Table of contents */
.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 32px 0;
}

.toc-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 12px;
}

.toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: toc-counter;
}

.toc li {
  counter-increment: toc-counter;
  margin-bottom: 8px;
}

.toc li::before {
  content: counter(toc-counter) '. ';
  color: var(--cyan);
  font-weight: 600;
  font-size: 14px;
}

.toc a {
  font-size: 14px;
  color: var(--gray-300);
  text-decoration: none;
}

.toc a:hover { color: var(--cyan); }

/* Lead magnet CTA */
.lead-magnet {
  background: linear-gradient(135deg, #0a1628 0%, #0d2040 100%);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 12px;
  padding: 32px;
  margin: 48px 0;
  text-align: center;
}

.lead-magnet h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}

.lead-magnet p {
  font-size: 15px;
  color: var(--gray-300);
  margin-bottom: 24px;
  line-height: 1.65;
}

.cta-btn {
  display: inline-block;
  background: var(--cyan);
  color: var(--bg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: 8px;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.3);
}

.cta-btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 13px 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
}

.cta-btn-secondary:hover {
  border-color: var(--cyan);
  background: var(--cyan-glow);
}

/* Newsletter CTA */
.newsletter-cta {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  margin: 48px 0;
  background: var(--surface);
  text-align: center;
}

.newsletter-cta h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
}

.newsletter-cta p {
  font-size: 15px;
  color: var(--gray-300);
  margin-bottom: 20px;
}

/* Community CTA */
.community-cta {
  background: linear-gradient(135deg, #0a1628 0%, #0d2040 100%);
  border: 1px solid rgba(232, 194, 122, 0.2);
  border-radius: 12px;
  padding: 32px;
  margin: 48px 0;
  text-align: center;
}

.community-cta h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}

.community-cta p {
  font-size: 15px;
  color: var(--gray-300);
  margin-bottom: 24px;
  line-height: 1.65;
}

/* Related articles */
.related-articles {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.related-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 20px;
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.related-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  text-decoration: none;
  transition: border-color 0.2s;
}

.related-card:hover { border-color: rgba(0, 212, 255, 0.3); }

.related-card-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 8px;
}

.related-card-meta {
  font-size: 12px;
  color: var(--gray-500);
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
  .articles-grid { grid-template-columns: 1fr; padding: 0 24px 64px; }
  .idea-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .hub-hero { padding: 60px 24px 48px; }
}

@media (max-width: 640px) {
  .blog-nav { padding: 14px 16px; }
  .blog-nav-links { gap: 16px; }
  .blog-nav-links a { font-size: 12px; }
  .article-meta { flex-direction: column; gap: 6px; }
}