/* PORTFOLIO CNED — NAVBAR */

/* Navbar fixe */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(248, 248, 248, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(5, 4, 3, 0.08);
  
  /* État initial : invisible */
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  
  /* Transition fluide */
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* État visible au scroll */
.navbar.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Container navbar */
.navbar-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo / Nom */
.navbar-brand {
  font-family: var(--font-principale);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--color-text-sombre);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.navbar-brand:hover {
  color: var(--color-bleu);
}

/* Navigation */
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-nav a {
  font-family: var(--font-principale);
  font-weight: 300;
  font-size: 1rem;
  color: var(--color-text-sombre);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: opacity 0.2s ease;
}

.navbar-nav a:hover {
  opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
  .navbar-container {
    padding: 0.875rem 1.5rem;
  }
  
  .navbar-nav {
    gap: 1.25rem;
  }
  
  .navbar-nav a {
    font-size: 0.85rem;
  }
}

@media (max-width: 600px) {
  .navbar-container {
    padding: 0.75rem 1rem;
  }
  
  .navbar-nav {
    gap: 1rem;
  }
  
  .navbar-nav a {
    font-size: 0.8rem;
  }
  
  .navbar-brand {
    font-size: 0.9rem;
  }
}