:root {
  --primary: #ff4c00;
  --intermediate: #ff9500;
  --secondary: #ffb60b;
  --dark: #393939;
  --grey: #565656;
  --lightgrey: #b0b0b0;
  --light: #efefef;
}

#presentation-container {
  max-width: 1000px;
  margin: 40px auto;
  padding: 20px;
  color: var(--light);
}

.pres-header {
  text-align: center;
  margin-bottom: 50px;
}

.pres-header h1 {
  font-size: 3rem;
  color: var(--intermediate);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.subtitle {
  color: var(--lightgrey);
  font-size: 1.2rem;
}

.pres-section {
  background: var(--dark);
  border-radius: 15px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.5);
  transition: box-shadow 0.2s ease;
}

.pres-section:hover {
  box-shadow: 8px 8px 20px rgba(0, 0, 0, 0.7);
}

.pres-section h2 {
  color: var(--secondary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
}

/* Grille de l'équipe */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.team-card {
  background: var(--primary);
  padding: 15px;
  border-radius: 10px;
  border: 4px solid var(--intermediate);
  box-shadow: 0 5px 0 0 #c35d00;
}

.team-card strong {
  display: block;
  color: var(--light);
  margin-bottom: 5px;
}

.team-card p {
  font-size: 0.9rem;
  color: var(--light);
}

/* Liste des fonctionnalités */
.features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-item h3 {
  color: var(--light);
  font-size: 1rem;
  margin-bottom: 8px;
}

.feature-item p {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--lightgrey);
}

.tech-stack {
  list-style: none;
  padding: 0;
}

.tech-stack li {
  margin: 10px 0;
  padding-left: 20px;
  position: relative;
}

.tech-stack li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--primary);
}

@media (max-width: 768px) {
  .features-list {
    grid-template-columns: 1fr;
  }
}