.portail {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.portail-entete {
  text-align: center;
  margin-bottom: 2rem;
}
.portail-photo-principale {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 1.25rem;
}
.portail-entete h1 { font-size: 1.8rem; margin: 0 0 0.35rem; }
.portail-soustitre { color: #555; margin: 0; }
.portail-elevage { color: var(--brand-primary); font-size: 0.9rem; margin-top: 0.5rem; }

.portail-section {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e5e2d8;
}
.portail-section h2 {
  font-size: 1.1rem;
  color: var(--brand-primary);
  margin-bottom: 1rem;
}

.courbe-poids { width: 100%; height: auto; color: var(--brand-primary); }

.portail-timeline { list-style: none; padding: 0; margin: 0; }
.portail-timeline li {
  padding: 0.6rem 0;
  border-bottom: 1px dashed #e5e2d8;
  font-size: 0.95rem;
}
.portail-timeline-date { color: var(--brand-primary); font-weight: 600; }

.portail-pied {
  margin-top: 3rem;
  text-align: center;
  font-size: 0.9rem;
  color: #777;
}