/* ============================================
   VARIABLES
   ============================================ */
:root {
  --accent: #a855f7;
  --accent-light: #c084fc;
  --accent-dark: #7c3aed;
  --accent-glow: rgba(168, 85, 247, 0.35);
  --accent-soft: rgba(168, 85, 247, 0.12);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

body.night {
  --bg: #0d0d14;
  --bg-secondary: #13131f;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(168, 85, 247, 0.4);
  --text: #f0f0ff;
  --text-muted: rgba(240, 240, 255, 0.5);
  --header-bg: rgba(13, 13, 20, 0.85);
  --shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

body.day {
  --bg: #f5f3ff;
  --bg-secondary: #ede9fe;
  --bg-card: rgba(255, 255, 255, 0.7);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --border: rgba(109, 40, 217, 0.15);
  --border-accent: rgba(168, 85, 247, 0.5);
  --text: #1a0533;
  --text-muted: rgba(26, 5, 51, 0.5);
  --header-bg: rgba(245, 243, 255, 0.85);
  --shadow: 0 8px 40px rgba(124, 58, 237, 0.12);
}

/* ============================================
   SECTION BLOG
   ============================================ */
#blog {
  padding: 120px 60px 80px;
  min-height: 100vh;
}

.blog-header {
  text-align: center;
  margin-bottom: 60px;
}

.blog-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  color: var(--accent-light);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.blog-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--text) 30%, var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.blog-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  border-radius: 3px;
  margin: 14px auto 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transition: width 0.4s;
}

.blog-title:hover::after {
  width: 96px;
}

.blog-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 16px;
}

/* Compteur d'articles */
.articles-count {
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-top: 8px;
}

.articles-count span {
  color: var(--accent-light);
  font-weight: 700;
}

/* ============================================
   GRILLE D'ARTICLES
   ============================================ */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 28px;
  max-width: 1200px;
  margin: 0 auto;
}

/* ============================================
   CARTE ARTICLE
   ============================================ */
.article-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 0;
  box-shadow: var(--shadow);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  cursor: pointer;
}

.article-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow), 0 0 36px var(--accent-glow);
  transform: translateY(-5px);
}

/* En-tête de la carte */
.card-header {
  padding: 24px 28px 18px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.card-header::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

/* Date */
.article-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-light);
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 14px;
}

/* Titre de l'article */
.article-titre {
  font-family: 'Syne', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  margin: 0;
  transition: color var(--transition);
}

.article-card:hover .article-titre {
  color: var(--accent-light);
}

/* Corps de la carte */
.card-body {
  padding: 20px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* Contenu (extrait) */
.article-contenu {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Section impact métier */
.impact-block {
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.impact-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-light);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-impact {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Pied de carte */
.card-footer {
  padding: 16px 28px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* Source */
.article-source {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  overflow: hidden;
  max-width: 55%;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.article-source:hover {
  color: var(--accent-light);
  border-color: var(--border-accent);
}

.source-icon {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  color: var(--accent-light);
}

/* Bouton lire */
.btn-lire {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border: none;
  border-radius: 100px;
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.btn-lire:hover {
  box-shadow: 0 4px 18px var(--accent-glow);
  transform: translateY(-1px);
}

/* Barre décorative bas de carte */
.card-underline {
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--accent-dark), var(--accent-light));
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  transition: width 0.4s ease;
}

.article-card:hover .card-underline {
  width: 100%;
}

/* ============================================
   ÉTAT VIDE
   ============================================ */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
  grid-column: 1 / -1;
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  opacity: 0.3;
}

.empty-state p {
  font-size: 1rem;
}

/* ============================================
   MODAL ARTICLE COMPLET
   ============================================ */
.article-modal {
  display: none;
  position: fixed;
  z-index: 2000;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  animation: fadeIn 0.2s ease;
  overflow-y: auto;
  padding: 40px 20px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.modal-inner {
  background: var(--bg-secondary);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  max-width: 760px;
  margin: 0 auto;
  overflow: hidden;
  box-shadow: var(--shadow), 0 0 80px var(--accent-glow);
  animation: slideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.article-modal .modal-inner {
  max-height: 100vh;
  /* limite la hauteur du modal pour que ça scroll */
  overflow-y: auto;
  /* active le scroll vertical si le contenu dépasse */
  position: relative;
  scroll-behavior: smooth;
  box-sizing: border-box;
  /* inclut le padding dans la taille du modal */
  padding: 1.5rem;
  /* espace intérieur pour que le texte ne colle pas */
  position: relative;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.97);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  padding: 32px 36px 24px;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  transition: all var(--transition);
}

.modal-close:hover {
  color: var(--accent);
  transform: rotate(90deg);
  border-color: var(--accent);
}

.modal-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-light);
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 14px;
}

.modal-titre {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  padding-right: 40px;
}

.modal-body {
  padding: 28px 36px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.modal-section-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-light);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-accent);
}

.modal-contenu {
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--text);
  white-space: pre-line;
}

.modal-impact {
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
}

.modal-impact p {
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--text-muted);
}

.modal-source {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--accent-light);
  text-decoration: none;
  border-bottom: 1px solid var(--border-accent);
  padding-bottom: 2px;
  transition: color var(--transition);
  width: fit-content;
}

.modal-source:hover {
  color: var(--accent);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  #blog {
    padding: 90px 20px 60px;
  }

  .articles-grid {
    grid-template-columns: 1fr;
  }

  .modal-header,
  .modal-body {
    padding: 22px 20px;
  }
}