/* Blog CSS - cohérent avec le site Alexandra Cholton et Philippe Souverville Comédie */
/* Couleurs: fond gris clair (gray-50), sections blanches, footer gris foncé (gray-900), accents bleu (blue-600) et jaune (yellow-400/500) */

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

:root {
  --color-bg: #f9fafb;
  --color-surface: #ffffff;
  --color-dark: #111827;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-accent: #f59e0b;
  --color-accent-dark: #d97706;
  --color-border: #e5e7eb;
  --color-link: #2563eb;
  --color-link-hover: #1d4ed8;
  --radius: 1.5rem;
  --radius-sm: 0.75rem;
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --max-width: 1100px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

html {
  scroll-behavior: smooth;
}

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

/* Header */
.blog-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  padding: 1.25rem 1.5rem;
}

.blog-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.blog-header a {
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-dark);
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.blog-header .logo-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
}

.blog-header .header-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.blog-header .header-links a {
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-text);
  transition: color 0.2s;
}

.blog-header .header-links a:hover {
  color: var(--color-primary);
}

.blog-header .header-cta {
  padding: 0.5rem 1.25rem;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
  color: #000 !important;
  border-radius: 9999px;
  font-weight: 600;
}

/* Breadcrumb */
.breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1.5rem 0;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-link);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb span {
  margin: 0 0.5rem;
  color: var(--color-text-light);
}

/* Article layout */
.article {
  max-width: 48rem;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.article h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.article h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.article h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.article p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 1.25rem;
}

.article ul, .article ol {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.article li {
  margin-bottom: 0.5rem;
}

.article a {
  color: var(--color-link);
  text-decoration: underline;
  font-weight: 500;
  transition: color 0.2s;
}

.article a:hover {
  color: var(--color-link-hover);
}

.article strong {
  font-weight: 700;
  color: var(--color-dark);
}

/* Hero image */
.hero-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
  display: block;
}

/* Figure interieure */
.figure {
  margin: 2.5rem 0;
}

.figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: block;
}

.figure figcaption {
  font-size: 0.9rem;
  color: var(--color-text-light);
  text-align: center;
  margin-top: 0.75rem;
  font-style: italic;
}

/* Conclusion */
.article .conclusion {
  background: linear-gradient(135deg, #eff6ff, #fef3c7 / 30%);
  border: 1px solid #dbeafe;
  border-radius: var(--radius);
  padding: 2rem;
  margin-top: 2.5rem;
}

/* Articles similaires */
.similar-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.similar-section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 1.5rem;
}

.similar-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  list-style: none;
  padding: 0;
}

.similar-list li a {
  display: block;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-dark);
  font-weight: 600;
  font-size: 1.0625rem;
  transition: all 0.2s;
}

.similar-list li a:hover {
  border-color: var(--color-primary);
  background: #eff6ff;
  color: var(--color-primary);
  transform: translateX(4px);
}

/* Footer */
.blog-footer {
  background: var(--color-dark);
  color: #d1d5db;
  padding: 3rem 1.5rem 2rem;
}

.blog-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.blog-footer h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}

.blog-footer ul {
  list-style: none;
  padding: 0;
}

.blog-footer ul li {
  margin-bottom: 0.625rem;
}

.blog-footer a {
  color: #d1d5db;
  text-decoration: none;
  transition: color 0.2s;
}

.blog-footer a:hover {
  color: #60a5fa;
}

.blog-footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid #374151;
  text-align: center;
  font-size: 0.875rem;
  color: #9ca3af;
}

/* Blog index page */
.blog-index {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.blog-index h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 2.5rem;
  text-align: center;
}

.blog-index .cluster-group {
  margin-bottom: 2.5rem;
}

.blog-index .cluster-group h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border);
}

.blog-index .cluster-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

.blog-index .cluster-list li a {
  display: block;
  padding: 0.875rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-dark);
  font-weight: 600;
  font-size: 1.0625rem;
  transition: all 0.2s;
}

.blog-index .cluster-list li a:hover {
  border-color: var(--color-primary);
  background: #eff6ff;
  color: var(--color-primary);
  transform: translateX(4px);
}

/* Responsive */
@media (min-width: 768px) {
  .blog-footer-inner {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .blog-index .cluster-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .blog-footer-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .article h1 {
    font-size: 1.875rem;
  }
  .article h2 {
    font-size: 1.5rem;
  }
  .blog-index h1 {
    font-size: 2.25rem;
  }
  .blog-header .header-links {
    display: none;
  }
}