/* ============================================================
   Manifst Blog — Styles
   Hérite des variables du site principal
============================================================ */

:root {
  --primary:       #4f46e5;
  --primary-dark:  #4338ca;
  --primary-light: #e0e7ff;
  --success:       #10b981;
  --warning:       #f59e0b;
  --danger:        #ef4444;
  --sidebar-bg:    #0f172a;
  --bg:            #f8fafc;
  --surface:       #ffffff;
  --border:        #e2e8f0;
  --text:          #1e293b;
  --muted:         #64748b;
  --radius:        10px;
  --radius-lg:     16px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
  margin: 0;
  overflow-x: hidden;
}

/* ============================================================
   NAV
============================================================ */
.blog-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.blog-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.blog-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}
.blog-logo-sep {
  color: var(--border);
  font-weight: 300;
  font-size: 1.2rem;
  margin: 0 4px;
}
.blog-logo-sub {
  font-weight: 600;
  color: var(--muted);
  font-size: .9rem;
}
.blog-nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
  margin: 0; padding: 0;
}
.blog-nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: .875rem;
  font-weight: 500;
  transition: color .2s;
}
.blog-nav-links a:hover { color: var(--primary); }
.btn-nav-cta {
  background: var(--primary);
  color: #fff !important;
  padding: 7px 18px;
  border-radius: 8px;
  font-weight: 600;
  font-size: .825rem;
  transition: background .2s;
}
.btn-nav-cta:hover { background: var(--primary-dark); }

@media (max-width: 640px) {
  .blog-nav-links li:not(:last-child) { display: none; }
}

/* ============================================================
   HERO BLOG
============================================================ */
.blog-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 60%, #0f172a 100%);
  padding: 64px 24px 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(99,102,241,.3) 0%, transparent 70%);
  pointer-events: none;
}
.blog-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(99,102,241,.18);
  border: 1px solid rgba(99,102,241,.35);
  color: #a5b4fc;
  padding: 5px 14px;
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.blog-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  max-width: 680px;
  margin: 0 auto 14px;
  letter-spacing: -.02em;
}
.blog-hero h1 span {
  background: linear-gradient(90deg, #818cf8, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.blog-hero-sub {
  color: #94a3b8;
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto;
}

/* ============================================================
   HERO ARTICLE (page article individuelle)
============================================================ */
.article-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 60%, #0f172a 100%);
  padding: 56px 24px 48px;
  position: relative;
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(99,102,241,.28) 0%, transparent 70%);
  pointer-events: none;
}
.article-hero-inner {
  max-width: 780px;
  margin: 0 auto;
  position: relative;
}
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  color: #64748b;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.article-breadcrumb a {
  color: #64748b;
  text-decoration: none;
  transition: color .2s;
}
.article-breadcrumb a:hover { color: #a5b4fc; }
.article-breadcrumb span { color: #334155; }
.article-hero h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin: 0 0 20px;
  letter-spacing: -.02em;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.article-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #94a3b8;
  font-size: .82rem;
}
.article-meta-item i { font-size: .85rem; }
.article-category-badge {
  background: rgba(99,102,241,.25);
  border: 1px solid rgba(99,102,241,.4);
  color: #a5b4fc;
  padding: 3px 12px;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 600;
  text-decoration: none;
}

/* ============================================================
   INTRO ÉDITORIALE
============================================================ */
.blog-intro {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 56px 24px;
}
.blog-intro-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 768px) { .blog-intro-inner { grid-template-columns: 1fr; gap: 40px; } }
.blog-intro-about h2,
.blog-intro-topics h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 20px;
}
.blog-intro-about p {
  color: var(--muted);
  line-height: 1.8;
  font-size: .93rem;
  margin: 0 0 14px;
}
/* Grille 2×2 des topics */
.intro-topics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 480px) { .intro-topics-grid { grid-template-columns: 1fr; } }
.intro-topic-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.intro-topic-card i {
  font-size: 1.1rem;
  color: var(--primary);
}
.intro-topic-card strong {
  font-size: .9rem;
  color: var(--text);
  font-weight: 700;
}
.intro-topic-card span {
  font-size: .82rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ============================================================
   LAYOUT PRINCIPAL
============================================================ */
.blog-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  padding: 48px 0 80px;
}
@media (max-width: 900px) {
  .blog-layout { grid-template-columns: 1fr; }
  .blog-sidebar { order: -1; }
}

/* ============================================================
   FILTRES CATÉGORIES
============================================================ */
.category-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.cat-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: .82rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all .2s;
}
.cat-btn:hover, .cat-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ============================================================
   GRILLE D'ARTICLES
============================================================ */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.article-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow .2s, transform .2s;
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,.08);
  transform: translateY(-2px);
}
.article-card-hero {
  height: 160px;
  background: linear-gradient(135deg, #0f172a, #1e1b4b);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: rgba(99,102,241,.4);
  position: relative;
  overflow: hidden;
}
.article-card-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(99,102,241,.2), transparent 60%);
}
.article-card-hero img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.article-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.article-card-category {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--primary);
}
.article-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  text-decoration: none;
  display: block;
}
.article-card-title:hover { color: var(--primary); }
.article-card-desc {
  font-size: .875rem;
  color: var(--muted);
  line-height: 1.6;
  flex: 1;
}
.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: .78rem;
  color: var(--muted);
  gap: 8px;
}
.article-card-read {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: .8rem;
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.article-card-read:hover { color: var(--primary-dark); }

/* Article featured (premier article) */
.article-card.featured {
  grid-column: 1 / -1;
  flex-direction: row;
}
.article-card.featured .article-card-hero {
  width: 380px;
  flex-shrink: 0;
  height: auto;
  min-height: 220px;
}
.article-card.featured .article-card-title { font-size: 1.2rem; }
@media (max-width: 640px) {
  .article-card.featured { flex-direction: column; }
  .article-card.featured .article-card-hero { width: 100%; height: 160px; }
}

/* ============================================================
   SIDEBAR
============================================================ */
.sidebar-widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 24px;
}
.sidebar-widget-title {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 16px;
}
.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tag-chip {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 5px 13px;
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 500;
  text-decoration: none !important;
  transition: all .2s;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.tag-chip::before {
  content: '#';
  font-size: .7rem;
  opacity: .5;
}
.tag-chip:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}
.sidebar-recent-list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sidebar-recent-item a {
  text-decoration: none;
  color: var(--text);
  font-size: .875rem;
  font-weight: 500;
  line-height: 1.4;
  display: block;
  transition: color .2s;
}
.sidebar-recent-item a:hover { color: var(--primary); }
.sidebar-recent-date {
  font-size: .75rem;
  color: var(--muted);
  margin-top: 2px;
}
.sidebar-cta {
  background: linear-gradient(135deg, #0f172a, #1e1b4b);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  color: #fff;
  margin-bottom: 24px;
}
.sidebar-cta h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 8px;
}
.sidebar-cta p {
  font-size: .82rem;
  color: #94a3b8;
  margin: 0 0 16px;
}
.sidebar-cta .btn-cta {
  display: block;
  background: var(--primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: .85rem;
  text-decoration: none;
  transition: background .2s;
}
.sidebar-cta .btn-cta:hover { background: var(--primary-dark); }

/* ============================================================
   PAGINATION
============================================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  font-size: .875rem;
  font-weight: 500;
  text-decoration: none;
  transition: all .2s;
}
.page-link:hover { border-color: var(--primary); color: var(--primary); }
.page-link.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.page-link.disabled { opacity: .4; pointer-events: none; }

/* ============================================================
   CONTENU ARTICLE
============================================================ */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  padding: 48px 0 80px;
}
@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; }
}

.article-body {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 44px;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
}
@media (max-width: 640px) {
  .article-body { padding: 24px 20px; }
}

.article-body h2 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
  margin: 2rem 0 .75rem;
  padding-top: 1rem;
  border-top: 2px solid var(--border);
  line-height: 1.3;
}
.article-body h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.article-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin: 1.5rem 0 .5rem;
}
.article-body p { margin: 0 0 1rem; }
.article-body ul, .article-body ol {
  margin: 0 0 1rem 1.5rem;
  padding: 0;
}
.article-body li { margin-bottom: .4rem; }
.article-body strong { color: var(--text); font-weight: 700; }
.article-body em { font-style: italic; color: var(--text); }
.article-body a { color: var(--primary); text-decoration: underline; }
.article-body a:hover { color: var(--primary-dark); }
.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: #f0f0ff;
  padding: 14px 20px;
  border-radius: 0 8px 8px 0;
  margin: 1.25rem 0;
  color: #3730a3;
  font-style: italic;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: .9rem;
}
.article-body th {
  background: var(--bg);
  font-weight: 600;
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--border);
}
.article-body td {
  padding: 10px 12px;
  border: 1px solid var(--border);
}
.article-body tr:nth-child(even) td { background: var(--bg); }
.article-body code {
  background: #f1f5f9;
  border-radius: 4px;
  padding: 2px 6px;
  font-size: .88em;
  color: #be185d;
  font-family: 'Fira Code', 'Courier New', monospace;
}
.article-body pre {
  background: #0f172a;
  color: #e2e8f0;
  padding: 20px;
  border-radius: 10px;
  overflow-x: auto;
  font-size: .88rem;
  line-height: 1.6;
  margin: 1.25rem 0;
}
.article-body pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

/* Tags article */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.article-tags-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  margin-right: 4px;
  flex-shrink: 0;
}

/* Navigation précédent/suivant */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
@media (max-width: 500px) { .article-nav { grid-template-columns: 1fr; } }
.article-nav-link {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  text-decoration: none;
  transition: all .2s;
  display: block;
}
.article-nav-link:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(79,70,229,.08);
}
.article-nav-dir {
  font-size: .72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.article-nav-title {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}
.article-nav-link.next { text-align: right; }

/* Articles liés */
.related-section {
  margin-top: 48px;
  content-visibility: auto;
  contain-intrinsic-size: 0 400px;
}
.related-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 20px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

/* CTA article bas de page */
.article-cta {
  background: linear-gradient(135deg, #0f172a, #1e1b4b);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  text-align: center;
  color: #fff;
  margin-top: 32px;
}
.article-cta h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0 0 10px;
}
.article-cta p {
  color: #94a3b8;
  font-size: .9rem;
  margin: 0 0 20px;
}
.article-cta .btn-cta-big {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 12px 28px;
  border-radius: 10px;
  font-weight: 700;
  font-size: .95rem;
  text-decoration: none;
  transition: background .2s, transform .15s;
  box-shadow: 0 4px 20px rgba(99,102,241,.4);
}
.article-cta .btn-cta-big:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

/* ============================================================
   TABLE OF CONTENTS (TOC)
============================================================ */
.toc-widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: sticky;
  top: 80px;
}
.toc-title {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 12px;
}
.toc-list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.toc-list a {
  text-decoration: none;
  color: var(--muted);
  font-size: .83rem;
  line-height: 1.4;
  display: block;
  padding: 3px 8px;
  border-left: 2px solid transparent;
  transition: all .2s;
}
.toc-list a:hover,
.toc-list a.active {
  color: var(--primary);
  border-left-color: var(--primary);
  background: var(--primary-light);
  border-radius: 0 4px 4px 0;
}

/* ============================================================
   FOOTER
============================================================ */
.blog-footer {
  background: #0f172a;
  border-top: 1px solid #1e293b;
  padding: 40px 24px;
  content-visibility: auto;
  contain-intrinsic-size: 0 120px;
}
.blog-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  list-style: none;
  padding: 0; margin: 0;
}
.footer-links a {
  color: #64748b;
  text-decoration: none;
  font-size: .82rem;
  transition: color .2s;
}
.footer-links a:hover { color: #e2e8f0; }
.footer-copy {
  color: #475569;
  font-size: .8rem;
  margin: 0;
}

/* ============================================================
   EMPTY STATE
============================================================ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}
.empty-state i { font-size: 3rem; margin-bottom: 16px; display: block; }
.empty-state h3 { font-size: 1.1rem; color: var(--text); margin: 0 0 8px; }

/* ============================================================
   PAGE 404
============================================================ */
.error-404-wrap {
  text-align: center;
  padding: 80px 24px 48px;
  max-width: 560px;
  margin: 0 auto;
}
.error-404-code {
  font-size: 7rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--primary), #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}
.error-404-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 12px;
}
.error-404-sub {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0 0 32px;
}
.error-404-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  border: 1.5px solid var(--border);
  color: var(--text);
  transition: border-color .2s, background .2s;
}
.btn-outline:hover { border-color: var(--primary); background: var(--primary-light); }