/* ===== NAVIGATION MOBILE-FIRST ===== */
.nav {
  /* Sur mobile, la nav ne prend pas de place - juste un container invisible */
  position: relative;
  z-index: 1000;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0; /* Pas de padding sur mobile */
}

.nav__list {
  display: none; /* mobile: menu burger */
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav__item { 
  display: inline-flex; 
}

.nav__link {
  color: var(--text-dark);
  font-weight: 600;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
  letter-spacing: .08em;
  padding: .5rem .75rem;
  border-radius: var(--border-radius-full);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav__link:hover {
  color: var(--primary-dark);
  background: var(--background-light);
}

.nav__link--active {
  color: var(--primary-color);
  background: var(--background-light);
}

/* CTA Button dans la nav */
.nav__link--cta {
  background: var(--gradient-primary) !important;
  color: white !important;
  padding: var(--spacing-sm) var(--spacing-md) !important;
  border-radius: var(--border-radius-lg) !important;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
  transition: all var(--transition-base);
}

.nav__link--cta:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4) !important;
}

.nav__link--cta i {
  margin-right: var(--spacing-xs);
}

/* ===== BURGER MENU FLOTTANT ===== */
.nav__toggle {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  padding: var(--spacing-md);
  cursor: pointer;
  border-radius: var(--border-radius-full);
  transition: all var(--transition-base);
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 1001;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  width: 56px;
  height: 56px;
  align-items: center;
  justify-content: center;
}

.nav__toggle:hover { 
  background: rgba(255, 255, 255, 1);
  transform: scale(1.05);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
}

.nav__toggle-bar {
  width: 20px; 
  height: 2px;
  background: var(--text-dark);
  border-radius: var(--border-radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Animation du burger en croix */
.nav__toggle.active .nav__toggle-bar:nth-child(1) { 
  transform: translateY(6px) rotate(45deg); 
}
.nav__toggle.active .nav__toggle-bar:nth-child(2) { 
  opacity: 0; 
}
.nav__toggle.active .nav__toggle-bar:nth-child(3) { 
  transform: translateY(-6px) rotate(-45deg); 
}

/* Animation d'ouverture du burger */
.nav__toggle.active {
  background: rgba(0, 0, 0, 0.9);
}

.nav__toggle.active .nav__toggle-bar {
  background: white;
}

/* ===== MENU MOBILE PLEIN ÉCRAN ===== */
.nav-mobile {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--gradient-dark);
  color: #fff;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.nav-mobile.active {
  opacity: 1;
  visibility: visible;
}

.nav-mobile__content {
  padding: var(--spacing-xl);
  text-align: center;
  position: relative;
  width: 100%;
  max-width: 500px;
}

.nav-mobile__close {
  position: absolute;
  top: 0;
  right: 0;
  background: none;
  border: none;
  color: white;
  font-size: var(--font-size-2xl);
  cursor: pointer;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-full);
  transition: background var(--transition-fast);
}

.nav-mobile__close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.nav-mobile__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.nav-mobile__link {
  color: white;
  font-size: var(--font-size-xl);
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--transition-fast);
  display: block;
}

.nav-mobile__link:hover { 
  color: var(--primary-light); 
}

.nav-mobile__link--active {
  color: var(--secondary-light);
}

/* CTA Button dans le menu mobile */
.nav-mobile__link--cta {
  background: var(--gradient-primary) !important;
  color: white !important;
  padding: var(--spacing-md) var(--spacing-xl) !important;
  border-radius: var(--border-radius-lg) !important;
  font-weight: 700;
  margin-top: var(--spacing-lg);
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  border-bottom: none !important;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.nav-mobile__link--cta:hover {
  color: white !important;
  transform: scale(1.05);
}

/* Empêcher le scroll du body quand le menu mobile est ouvert */
body.nav-mobile-open {
  overflow: hidden;
}

/* ===== RESPONSIVE MOBILE ===== */
@media (max-width: 480px) {
  .nav__toggle {
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 50px;
    height: 50px;
  }
  
  .nav-mobile__content {
    padding: var(--spacing-lg);
  }
  
  .nav-mobile__link {
    font-size: var(--font-size-lg);
    padding: var(--spacing-md) 0;
  }
}

/* ===== DESKTOP ULTRA-MODERNE ===== */
@media (min-width: 768px) {
  .nav {
    background: rgba(248, 250, 252, 0.8);
    backdrop-filter: var(--blur-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: none;
    position: sticky;
    top: 88px;
    z-index: 999;
    padding: 0; /* Reset du padding mobile */
  }

  .nav__inner {
    padding: var(--spacing-sm) 0; /* Restore padding pour desktop */
  }

  .nav.scrolled {
    background: rgba(248, 250, 252, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
  }

  .nav__inner {
    justify-content: center;
  }

  .nav__list { 
    display: flex;
    list-style: none;
    justify-content: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-md) 0;
  }

  .nav__item {
    position: relative;
  }

  .nav__link {
    color: var(--text-dark);
    font-weight: 600;
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    letter-spacing: 0.1em;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    background: transparent;
  }

  .nav__link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left var(--transition-base);
    z-index: -1;
  }

  .nav__link:hover::before,
  .nav__link--active::before {
    left: 0;
  }

  .nav__link:hover,
  .nav__link--active {
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
  }

  .nav__link--active::after {
    content: '';
    position: absolute;
    bottom: -var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-full);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
  }
  
  .nav__toggle { 
    display: none !important; 
  }
  
  .nav-mobile { 
    display: none !important; 
  }
}