/* =====================
   Layout Components
   ===================== */

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg-alt);
  backdrop-filter: blur(10px);
  padding: var(--space-sm);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
}

nav.nav-open {
  background: var(--color-bg-alt);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s;
}

.nav-container {
  max-width: 95%;
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: center;
}

.nav-links {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  width: 100%;
  justify-content: center;
}

.nav-links-container {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.nav-links a {
  color: var(--color-text);
  transition: all 0.3s ease;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}

.nav-links a:hover {
  background: var(--gradient-primary-transparent);
}

/* Bouton hamburger amélioré */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  width: 36px;
  height: 36px;
  position: relative;
  cursor: pointer;
  padding: 0;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  justify-content: center;
  align-items: center;
}

.mobile-menu-toggle .hamburger-line {
  position: absolute;
  width: 20px;
  height: 3px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(.4,2,.6,1);
}

.mobile-menu-toggle .hamburger-line:nth-child(1) { top: 9px; }
.mobile-menu-toggle .hamburger-line:nth-child(2) { top: 16px; }
.mobile-menu-toggle .hamburger-line:nth-child(3) { top: 23px; }

/* Main content */
main {
  margin-top: 80px;
  padding: var(--space-md);
  max-width: 1300px;
  width: 80%;
  flex-grow: 1;
}

/* Footer */
footer {
  background: var(--color-bg-alt);
  color: var(--color-text-light);
  text-align: center;
  width: 100%;
  padding: var(--space-sm);
  margin-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}
footer p {
  margin: 0;
}

/* =====================
   RESPONSIVE DESIGN
   ===================== */

/* Tablette (768px et moins) */
@media (max-width: 768px) {
  nav {
    height: 70px;
    padding: var(--space-xs) var(--space-sm);
  }

  .nav-container {
    max-width: 100%;
    padding: 0 var(--space-xs);
  }

  .nav-links a {
    padding: var(--space-xs);
    font-size: 0.85rem;
  }

  main {
    margin-top: 90px;
    width: 95%;
    padding: var(--space-sm);
  }

  footer {
    padding: var(--space-md);
  }
}

/* Mobile (576px et moins) */
@media (max-width: 576px) {
  nav {
    background: none;
    backdrop-filter: none;
    box-shadow: none;
    height: 60px;
    padding: var(--space-xs);
  }

  .nav-container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xs);
  }

  .nav-links {
    justify-content: flex-start;
  }


  /* Afficher le bouton hamburger */
  .mobile-menu-toggle {
    background: var(--color-bg-alt);
    padding: var(--space-xs);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    border-radius: var(--radius-sm);
  }

  .nav-links-container {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-bg-alt);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: var(--space-sm);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
  }

  .nav-links.mobile-open .nav-links-container {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links-container a {
    width: 100%;
    text-align: center;
    padding: var(--space-sm);
    font-size: 1rem;
  }

  .nav-links-container a:last-child {
    border-bottom: none;
  }

  .nav-links-container a:hover {
    background: var(--gradient-primary-transparent);
  }

  main {
    margin-top: 80px;
    width: 98%;
    padding: var(--space-xs);
  }

  footer {
    padding: var(--space-sm);
    font-size: 0.8rem;
  }
}

/* Très petits écrans (480px et moins) */
@media (max-width: 480px) {

  .nav-links-container {
    top: 60px;
  }
  
  .nav-links-container a {
    padding: var(--space-md);
    font-size: 1.1rem;
  }
}