/* ============================================================
   DiagTertiaire Blog - Global Styles v3
   Sobre, lisible, professionnel. Mobile-first. Dark mode.
   ============================================================ */

/* --- Tokens (alignes sur diag-tertiaire.fr) ----------------- */
:root {
  /* Identiques au site principal */
  --navy-dark:         #102A43;
  --blue-action:       #2563EB;
  --blue-premium:      #1D4ED8;
  --blue-hover:        #1E40AF;
  --blue-light:        #EFF6FF;

  /* Tokens blog */
  --color-text:        #0F172A;
  --color-text-light:  #64748B;
  --color-bg:          #F8FAFC;
  --color-bg-alt:      #F1F5F9;
  --color-border:      #E2E8F0;
  --color-cta:         #2563EB;
  --color-cta-hover:   #1D4ED8;
  --color-cta-subtle:  #EFF6FF;
  --color-tag-bg:      #EFF6FF;
  --color-tag-text:    #1D4ED8;
  --color-success:     #16A34A;
  --color-success-bg:  #F0FDF4;
  --font-base:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-heading:      'Lora', Georgia, serif;
  --radius:            8px;
  --max-width:         780px;
  --max-width-wide:    1100px;
  --transition:        0.18s ease;
}

/* Pas de dark mode - alignement sur le site principal qui n'en a pas */

/* --- Reset -------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-cta); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { padding-left: 1.4rem; }

/* --- Container --------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* --- Header (identique au site principal) ------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.site-logo {
  font-family: var(--font-base);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy-dark);
  letter-spacing: -0.03em;
  text-decoration: none;
  transition: color var(--transition);
}
.site-logo:hover { text-decoration: none; color: var(--blue-premium); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.9375rem;
  color: var(--navy-dark);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition);
}
.nav-link:hover,
.nav-link--active { color: var(--blue-premium); text-decoration: none; }

/* Bouton CTA header - gradient identique au site principal */
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #1D4ED8 0%, #1E40AF 100%);
  padding: 0.625rem 1.25rem;
  border-radius: 12px;
  text-decoration: none;
  letter-spacing: -0.01em;
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.35);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.nav-cta:hover {
  background: linear-gradient(135deg, #1E40AF 0%, #1E3A8A 100%);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(29, 78, 216, 0.45);
}

/* --- Breadcrumb -------------------------------------------- */
.breadcrumb {
  padding: 1rem 0 0.5rem;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  padding: 0;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.breadcrumb-item a {
  color: var(--color-text-light);
  text-decoration: none;
}
.breadcrumb-item a:hover {
  color: var(--color-cta);
  text-decoration: underline;
}

.breadcrumb-item:not(:last-child)::after {
  content: '›';
  margin-left: 0.4rem;
  opacity: 0.5;
}

.breadcrumb-item[aria-current="page"] {
  color: var(--color-text);
  font-weight: 500;
}

/* --- Article Layout ---------------------------------------- */
/* 2-column: content (left, flex-1) + TOC sidebar (right, fixed width) */
.article-main {
  flex: 1;
  padding: 0 0 4rem;
}

.article-layout {
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
}

.article {
  max-width: var(--max-width);
  min-width: 0;
  flex: 1;
}

/* --- TOC Sidebar (desktop, right column) ------------------- */
.toc-sidebar {
  display: none;
}

@media (min-width: 1080px) {
  .toc-sidebar {
    display: block;
    width: 220px;
    flex-shrink: 0;
    align-self: start;
  }

  .toc-sticky {
    position: sticky;
    top: 120px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
  }

  .toc-heading {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    margin-bottom: 0.75rem;
  }

  .toc-sidebar .toc-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
  }

  .toc-sidebar .toc-link {
    font-size: 0.85rem;
    color: var(--color-text-light);
    text-decoration: none;
    line-height: 1.4;
    display: block;
    padding: 0.2rem 0;
    transition: color var(--transition);
  }
  .toc-sidebar .toc-link:hover {
    color: var(--color-cta);
    text-decoration: none;
  }
}

/* --- TOC Mobile (inline dropdown) -------------------------- */
.toc-mobile {
  margin-bottom: 2rem;
}

@media (min-width: 1080px) {
  .toc-mobile { display: none; }
}

.toc-details {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.toc-summary {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text);
  list-style: none;
}
.toc-summary::-webkit-details-marker { display: none; }
.toc-summary::before {
  content: '▸ ';
  font-size: 0.75rem;
  color: var(--color-text-light);
}
.toc-details[open] .toc-summary::before {
  content: '▾ ';
}

.toc-mobile .toc-list {
  list-style: none;
  padding: 0 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.toc-mobile .toc-link {
  font-size: 0.85rem;
  color: var(--color-cta);
  text-decoration: none;
  padding: 0.25rem 0;
  display: block;
}
.toc-mobile .toc-link:hover { text-decoration: underline; }

/* --- Article Header ---------------------------------------- */
.article-header { margin-bottom: 2rem; padding-top: 1rem; }

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  padding: 0;
  margin-bottom: 0.75rem;
}
.article-tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-tag-text);
  background: var(--color-tag-bg);
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.article-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 4.5vw, 2.3rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}
.article-sep { opacity: 0.4; }

.article-reading-time {
  color: var(--color-success);
  font-weight: 500;
}

/* --- Article Hero Image ------------------------------------ */
.article-hero {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  margin: 1rem 0 2rem 0;
}

@media (prefers-color-scheme: dark) {
  .article-hero { box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3); }
}

.article-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-hero-caption {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--color-text-light);
  text-align: center;
  margin-top: 0.5rem;
  padding: 0 0.5rem;
}

/* --- Prose (article body) ---------------------------------- */
.prose {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
}

.prose h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-top: 3rem;
  margin-bottom: 1rem;
  line-height: 1.3;
  padding-left: 0.75rem;
  border-left: 4px solid var(--color-cta);
  scroll-margin-top: 80px;
  color: var(--color-text);
}


.prose h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  scroll-margin-top: 80px;
  color: var(--color-text);
}

/* Section heading :target highlight (click from TOC)
   Note : CSS ne permet pas de styler le lien TOC correspondant depuis la cible
   (DOM subtrees differents). Seul le titre actif est mis en evidence.
   Un indicateur natif sur les liens TOC necessite JS (IntersectionObserver). */
.prose h2:target {
  color: var(--color-cta);
  background: var(--color-cta-subtle);
  padding-block: 0.2rem;
}

.prose p { margin-bottom: 1.5rem; }
.prose ul, .prose ol { margin-bottom: 1.1rem; }
.prose li { margin-bottom: 0.35rem; }
.prose strong { font-weight: 600; color: var(--color-text); }

.prose blockquote {
  border-left: 3px solid var(--color-cta);
  margin: 1.5rem 0;
  padding: 0.75rem 1.25rem;
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--color-text-light);
  font-style: italic;
}

.prose code {
  font-size: 0.875em;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

.prose a {
  color: var(--color-cta);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
.prose a:hover { text-decoration-thickness: 2px; }

.prose hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2.5rem 0;
}

/* Prose tables */
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.prose th, .prose td {
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-border);
  text-align: left;
}
.prose th {
  background: var(--color-bg-alt);
  font-weight: 600;
}

/* --- Callouts / chiffres cles ------------------------------ */
.callout,
.key-figure {
  background: var(--color-bg-alt);
  border-left: 4px solid var(--color-cta);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 1rem;
  line-height: 1.6;
}

.key-figure strong {
  color: var(--color-cta);
  font-size: 1.15rem;
}

/* Bloc avant/apres investissement */
.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

.before-after > div {
  background: var(--color-bg-alt);
  padding: 1rem;
  border-radius: var(--radius);
  text-align: center;
}

/* --- FAQ duplicate masking --------------------------------- */
/* Masque la FAQ du body Markdown quand le composant FAQ.astro est present */
/* La classe has-faq-component est ajoutee conditionnellement dans BlogPost.astro */
.article-body.has-faq-component h2[id*="questions-fr"],
.article-body.has-faq-component h2[id*="questions-fr"] ~ * {
  display: none;
}

.article-footer { margin-top: 2.5rem; }

/* --- Share Bar --------------------------------------------- */
.share-bar {
  margin: 2rem 0;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
}

/* ShareButtons component (regular) */
.share-buttons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.share-label {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.share-btn {
  font-size: 0.85rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  padding: 0.4rem 1rem;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  transition: border-color var(--transition), color var(--transition);
}
.share-btn:hover {
  text-decoration: none;
  border-color: var(--color-cta);
  color: var(--color-cta);
}

/* ShareButtons compact (top of article, under meta) */
.share-buttons--compact {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0.5rem 0 1rem 0;
}

.share-buttons--compact .share-btn {
  font-size: 0.8rem;
  padding: 0;
  border: none;
  background: none;
  color: var(--color-text-light);
}
.share-buttons--compact .share-btn:hover {
  border: none;
  color: var(--color-cta);
}

.share-icon {
  flex-shrink: 0;
  vertical-align: middle;
}

/* --- CTA Block --------------------------------------------- */
.cta-block {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) * 2);
  padding: 2rem;
  text-align: center;
  margin: 3rem 0;
}
.cta-inner { max-width: 560px; margin: 0 auto; }

.cta-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.cta-subtitle {
  font-size: 0.925rem;
  color: var(--color-text-light);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.cta-btn {
  display: inline-block;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--color-cta);
  padding: 0.75rem 2rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.cta-btn:hover {
  background: var(--color-cta-hover);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

/* --- FAQ Section ------------------------------------------- */
.faq-section {
  background: var(--color-bg-alt);
  border-radius: calc(var(--radius) * 2);
  padding: 2rem;
  margin: 3rem 0;
}

.faq-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}
.faq-item:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}
.faq-item:first-of-type {
  padding-top: 0;
}

.faq-question {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}
.faq-question::-webkit-details-marker { display: none; }

.faq-question::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-cta);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item[open] .faq-question::after {
  content: '-';
}

.faq-answer {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* --- Related Articles -------------------------------------- */
.related-section {
  margin: 3rem 0;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
  max-width: var(--max-width);
}

/* Line-clamp on description in related cards */
.related-section .blog-card-desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* --- Blog Listing ------------------------------------------ */
.listing-main {
  flex: 1;
  padding: 3rem 0 5rem;
}

.listing-header {
  max-width: var(--max-width);
  margin: 0 auto 3rem;
  text-align: center;
}

.listing-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.listing-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-light);
  max-width: 560px;
  margin: 0 auto;
}

.listing-empty {
  text-align: center;
  color: var(--color-text-light);
  padding: 4rem 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

/* --- Blog Card --------------------------------------------- */
.blog-card {
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) * 2);
  overflow: hidden;
  background: var(--color-bg);
  transition: box-shadow var(--transition), transform var(--transition);
}
.blog-card:hover {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

@media (prefers-color-scheme: dark) {
  .blog-card:hover { box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3); }
}

.blog-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}
.blog-card-link:hover { text-decoration: none; }

.blog-card-img-wrap {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.blog-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.blog-card:hover .blog-card-img { transform: scale(1.03); }

.blog-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.25rem 1.5rem 1.5rem;
  gap: 0.5rem;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.blog-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.blog-card-desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
  flex: 1;
}

.blog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  padding: 0;
  margin-top: 0.25rem;
}
.blog-card-tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-tag-text);
  background: var(--color-tag-bg);
  padding: 0.2rem 0.55rem;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.blog-card-read {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-cta);
  margin-top: 0.5rem;
}

/* --- Site Footer (identique au site principal) -------------- */
.site-footer {
  background: #0F172A;
  padding: 3rem 0 2rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}

.footer-brand {
  font-size: 1.125rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.02em;
}

.footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 0.875rem;
  color: #64748B;
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}
.footer-links a:hover {
  color: #FFFFFF;
  text-decoration: none;
}

.footer-copy {
  font-size: 0.8rem;
  color: #64748B;
}
.footer-copy a {
  color: #64748B;
}
.footer-copy a:hover {
  color: #FFFFFF;
}

/* --- Stat Block -------------------------------------------- */
.stat-block {
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-cta);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border-radius: var(--radius);
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-cta);
  margin-bottom: 0.25rem;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

.stat-source {
  font-size: 0.75rem;
  color: var(--color-text-light);
  opacity: 0.7;
  margin-top: 0.25rem;
}

/* --- Author Box -------------------------------------------- */
.author-box {
  margin: 3rem 0 2rem 0;
  padding: 1.5rem;
  background: var(--color-bg-alt);
  border-radius: calc(var(--radius) * 2);
  border: 1px solid var(--color-border);
}

.author-box-inner {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.author-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-bg-alt);
}

.author-name {
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 0.25rem 0;
  color: var(--color-text);
}

.author-role {
  font-weight: 400;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.author-bio {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-light);
  margin: 0.5rem 0;
}

.author-linkedin {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--color-cta);
  text-decoration: none;
  font-weight: 500;
  margin-top: 0.25rem;
}
.author-linkedin:hover { text-decoration: underline; }

.author-byline-role {
  color: var(--color-text-light);
  font-weight: 400;
}

/* --- CTA Mid-article --------------------------------------- */
.cta-mid {
  background: var(--color-bg-alt);
  border-left: 4px solid var(--color-cta);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.25rem 1.5rem;
  margin: 2.5rem 0;
}

.cta-mid-text {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.6;
  margin: 0 0 0.75rem 0;
}

.cta-mid-link {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-cta);
  text-decoration: none;
}
.cta-mid-link:hover {
  text-decoration: underline;
  color: var(--color-cta-hover);
}

/* --- Responsive -------------------------------------------- */
@media (max-width: 640px) {
  .site-nav { gap: 0.75rem; }
  .nav-link { display: none; }
  .blog-grid { grid-template-columns: 1fr; }
  .cta-block { padding: 1.75rem 1.25rem; }
  .related-grid { grid-template-columns: 1fr; }
  .article-title { font-size: 1.5rem; }
  .before-after { grid-template-columns: 1fr; }
  .footer-links { flex-direction: column; gap: 0.5rem; }
  .author-box-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* === LEDE STAT — ouverture chiffre hero === */
.lede-stat {
  display: block;
  font-size: clamp(2.6rem, 6vw, 3.8rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}