/* Ouvrages/Recherches Styles */

/* Page Hero */
.page-hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #8B0000 0%, #C41E3A 100%);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><circle cx="30" cy="30" r="1.5" fill="white" opacity="0.1"/></svg>');
  animation: scroll 20s linear infinite;
}

@keyframes scroll {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 2rem;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: #FFD700;
  text-transform: uppercase;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
}

.label-line {
  width: 40px;
  height: 2px;
  background: #FFD700;
}

.page-title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.title-line {
  display: block;
}

.page-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.subtitle-word {
  display: inline-block;
  margin: 0 0.3rem;
}

/* Publications Section */
.publications-section {
  padding: 6rem 2rem;
  background: #F3F4F6;
  position: relative;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

.publications-category {
  margin-bottom: 5rem;
}

.category-title {
  font-size: 2rem;
  font-weight: 700;
  color: #8B0000;
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 3px solid #8B0000;
}

.category-title i {
  font-size: 2rem;
  color: #FFD700;
}

/* Publications Grid */
.publications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.communications-grid {
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
}

/* Publication Card */
.publication-card {
  background: #fff;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  border-left: 4px solid #8B0000;
}

.publication-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #8B0000 0%, #FFD700 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.publication-card:hover::before {
  transform: scaleX(1);
}

.publication-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(139, 0, 0, 0.15);
}

.publication-card.upcoming {
  border-left-color: #FFD700;
  background: linear-gradient(135deg, #fff 0%, #fffef8 100%);
}

.pub-year {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: linear-gradient(135deg, #8B0000 0%, #C41E3A 100%);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  padding: 0.5rem 1rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(139, 0, 0, 0.2);
}

.publication-card.upcoming .pub-year {
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
  color: #1a1a1a;
}

.pub-content {
  padding-right: 5rem;
}

.pub-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.pub-details {
  font-size: 1rem;
  color: #6B7280;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.pub-details strong {
  color: #8B0000;
  font-weight: 600;
}

.pub-details em {
  color: #4B5563;
  font-style: italic;
}

.pub-month {
  display: inline-block;
  background: #F3F4F6;
  color: #6B7280;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Publication Links */
.pub-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.pub-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #8B0000 0%, #C41E3A 100%);
  color: #fff;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.pub-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(139, 0, 0, 0.3);
  color: #fff;
  text-decoration: none;
}

.pub-link i {
  font-size: 1rem;
}

/* CTA Section */
.cta-section {
  padding: 6rem 2rem;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(139, 0, 0, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.cta-line {
  display: block;
}

.cta-text {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2.5rem;
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, #8B0000 0%, #C41E3A 100%);
  color: #fff;
  text-decoration: none;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(139, 0, 0, 0.3);
  color: #fff;
  text-decoration: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: transparent;
  color: #fff;
  text-decoration: none;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .page-hero {
    min-height: 50vh;
  }

  .publications-section {
    padding: 4rem 1rem;
  }

  .publications-grid,
  .communications-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .category-title {
    font-size: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .pub-content {
    padding-right: 0;
    padding-top: 3.5rem;
  }

  .pub-year {
    top: 1rem;
    right: 1rem;
    font-size: 1rem;
    padding: 0.4rem 0.8rem;
  }

  .pub-title {
    font-size: 1.1rem;
  }

  .cta-section {
    padding: 4rem 1.5rem;
  }

  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .publication-card {
    padding: 1.5rem;
  }

  .pub-links {
    flex-direction: column;
  }

  .pub-link {
    width: 100%;
    justify-content: center;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}