/* ============================================================
   KOACHING PERFORMANCE — Blog Layout CSS
   Inclure après styles.css sur toutes les pages blog
   ============================================================ */

/* Page blog index */
.blog-hero {
  padding: 80px 0;
  background: var(--gray-900);
  border-bottom: 1px solid var(--gray-700);
}
.blog-hero .page-title { font-size: clamp(52px, 8vw, 100px); line-height: 0.9; margin: 8px 0 16px; }
.blog-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}
.cat-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 7px 14px;
  border: 1px solid var(--gray-700);
  color: var(--gray-400);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
}
.cat-btn:hover, .cat-btn.active {
  border-color: var(--white);
  color: var(--white);
}

/* Articles grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 48px;
}
.article-card {
  background: var(--gray-900);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.article-card:hover { background: var(--gray-800); }
.article-card:hover .card-title { color: var(--white); }
.card-img {
  aspect-ratio: 16/9;
  background: var(--gray-800);
  overflow: hidden;
  position: relative;
}
.card-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(30%); transition: 0.4s; }
.article-card:hover .card-img img { filter: grayscale(0%); transform: scale(1.03); }
.card-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--gray-700);
  text-transform: uppercase;
}
.card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.card-cat {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-500);
  padding: 4px 10px;
  border: 1px solid var(--gray-700);
}
.card-date {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gray-600);
  letter-spacing: 0.12em;
}
.card-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.05;
  color: var(--gray-100);
  margin-bottom: 12px;
  transition: var(--transition);
}
.card-excerpt {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 20px;
}
.card-link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-400);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-link:hover { color: var(--white); }
.card-link::after { content: '→'; }

/* Article page */
.article-header {
  padding: 72px 0 64px;
  background: var(--gray-900);
  border-bottom: 1px solid var(--gray-700);
}
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-600);
  margin-bottom: 24px;
}
.article-breadcrumb a { color: var(--gray-500); transition: var(--transition); }
.article-breadcrumb a:hover { color: var(--white); }
.article-cat-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-500);
  padding: 5px 12px;
  border: 1px solid var(--gray-700);
  display: inline-block;
  margin-bottom: 20px;
}
.article-h1 {
  font-size: clamp(36px, 6vw, 72px);
  line-height: 0.95;
  color: var(--white-pure);
  margin-bottom: 24px;
  max-width: 800px;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-500);
}
.article-meta span::before { content: '·'; margin-right: 20px; }
.article-meta span:first-child::before { display: none; }

/* Article featured image */
.article-featured-img {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  filter: grayscale(20%);
  margin-bottom: 0;
}
.article-featured-wrap {
  background: var(--gray-800);
  border-bottom: 1px solid var(--gray-700);
}

/* Article body */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 64px;
  align-items: start;
  padding: 64px 0 80px;
}
.article-body { min-width: 0; }
.article-body p {
  font-size: 17px;
  color: var(--gray-200);
  line-height: 1.8;
  margin-bottom: 24px;
}
.article-body h2 {
  font-size: clamp(24px, 3vw, 40px);
  color: var(--white);
  margin: 48px 0 16px;
  padding-top: 8px;
  border-top: 1px solid var(--gray-700);
}
.article-body h3 {
  font-size: clamp(18px, 2vw, 24px);
  color: var(--white);
  margin: 32px 0 12px;
}
.article-body ul {
  margin: 0 0 24px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.article-body ul li {
  display: flex;
  gap: 12px;
  font-size: 16px;
  color: var(--gray-300);
  line-height: 1.6;
}
.article-body ul li::before {
  content: '→';
  color: var(--gray-500);
  flex-shrink: 0;
  margin-top: 1px;
}
.article-body blockquote {
  border-left: 3px solid var(--white);
  padding: 20px 24px;
  margin: 32px 0;
  background: var(--gray-900);
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 26px);
  font-weight: 700;
  font-style: italic;
  text-transform: uppercase;
  line-height: 1.2;
  color: var(--white);
}
.article-body strong { color: var(--white); font-weight: 600; }
.article-body .highlight-box {
  background: var(--gray-800);
  border: 1px solid var(--gray-700);
  padding: 28px;
  margin: 32px 0;
  border-left: 3px solid var(--white);
}
.article-body .highlight-box h3 {
  margin: 0 0 12px;
  font-size: 18px;
}
.article-body .highlight-box p {
  font-size: 15px;
  color: var(--gray-300);
  margin: 0;
}

/* Article CTA box */
.article-cta-box {
  background: var(--gray-900);
  border: 1px solid var(--gray-600);
  padding: 36px;
  margin: 48px 0;
  text-align: center;
}
.article-cta-box h3 {
  font-size: clamp(20px, 2.5vw, 32px);
  margin-bottom: 12px;
}
.article-cta-box p {
  font-size: 15px;
  color: var(--gray-300);
  margin-bottom: 24px;
}

/* Sidebar */
.article-sidebar { position: sticky; top: 88px; }
.sidebar-widget {
  background: var(--gray-900);
  border: 1px solid var(--gray-700);
  padding: 24px;
  margin-bottom: 16px;
}
.sidebar-widget h3 {
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--gray-400);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-700);
}
.sidebar-cta { background: var(--white); color: var(--black); padding: 28px; margin-bottom: 16px; }
.sidebar-cta h3 { color: var(--black); margin-bottom: 8px; font-size: 20px; }
.sidebar-cta p { font-size: 14px; color: var(--gray-600); margin-bottom: 20px; }
.sidebar-cta .btn-primary { width: 100%; justify-content: center; font-size: 13px; padding: 12px; background: var(--black); color: var(--white); border-color: var(--black); }
.sidebar-cta .btn-primary:hover { background: transparent; color: var(--black); }
.toc-list { display: flex; flex-direction: column; gap: 6px; }
.toc-list a {
  font-size: 13px;
  color: var(--gray-400);
  transition: var(--transition);
  padding: 4px 0;
  border-bottom: 1px solid var(--gray-800);
  display: flex;
  gap: 8px;
}
.toc-list a::before { content: '→'; color: var(--gray-700); flex-shrink: 0; }
.toc-list a:hover { color: var(--white); }
.related-articles { display: flex; flex-direction: column; gap: 12px; }
.related-item { display: flex; gap: 12px; align-items: flex-start; }
.related-item img { width: 60px; height: 50px; object-fit: cover; flex-shrink: 0; filter: grayscale(50%); }
.related-item a { font-family: var(--font-display); font-size: 14px; font-weight: 700; text-transform: uppercase; color: var(--gray-300); transition: var(--transition); line-height: 1.2; }
.related-item a:hover { color: var(--white); }

/* Article footer */
.article-footer-cta {
  background: var(--black);
  padding: 72px 0;
  text-align: center;
  border-top: 1px solid var(--gray-800);
}
.article-footer-cta h2 { font-size: clamp(28px, 5vw, 56px); margin-bottom: 16px; }
.article-footer-cta p { color: var(--gray-300); font-size: 18px; margin-bottom: 40px; max-width: 520px; margin-left: auto; margin-right: auto; }

@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .articles-grid { grid-template-columns: 1fr; }
}