/* ============================================
   NAV.CSS - Navigation partagée du site Laura Ballo
   Fichier : assets/css/nav.css
   Dépend des variables CSS définies dans tokens.css
   ============================================ */

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  padding: 16px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--white);
  z-index: 1000;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  padding: 12px 60px;
}

.nav-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-deep) 0%, var(--accent-light) 100%);
  width: 0%;
  transition: width 0.1s linear;
}

.nav-logo {
  width: 200px;
  height: 80px;
  display: flex;
  align-items: center;
  transition: transform var(--transition-base);
}

.nav.scrolled .nav-logo {
  width: 180px;
  height: 70px;
}

.nav-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ============================================
   LIENS DE NAVIGATION
   ============================================ */
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-nav);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-dark);
  letter-spacing: -0.005em;
  transition: all var(--transition-base);
  position: relative;
  padding: 8px 0;
  text-decoration: none;
}

.nav-links a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent-deep);
  transition: width var(--transition-base);
}

.nav-links a:hover::before {
  width: 100%;
}

.nav-links a:hover {
  color: var(--accent-deep);
}

/* ============================================
   MENUS DÉROULANTS
   ============================================ */
.nav-dropdown {
  position: relative;
}

.nav-dropdown > a {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-dropdown > a::after {
  content: '';
  border: solid currentColor;
  border-width: 0 1.5px 1.5px 0;
  display: inline-block;
  padding: 2px;
  transform: rotate(45deg);
  margin-top: -2px;
  transition: transform var(--transition-base);
}

.nav-dropdown:hover > a::after {
  transform: rotate(-135deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--white);
  min-width: 260px;
  padding: 10px 0;
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: 10px 24px;
  font-family: var(--font-nav);
  font-size: 1rem;
  font-weight: 500;
  color: var(--warm-gray) !important;
  transition: all var(--transition-base);
}

.nav-dropdown-menu a:hover {
  background: var(--light-beige);
  color: var(--accent-deep) !important;
  padding-left: 30px;
}

.nav-dropdown-menu a::before {
  display: none;
}

/* ============================================
   PASTILLE DISPONIBILITÉ
   ============================================ */
.nav-availability {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(123, 160, 91, 0.15);
  border: 1px solid rgba(123, 160, 91, 0.3);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--success);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.availability-dot {
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

/* ============================================
   BOUTON CTA NAV — ACCENT DEEP + FLÈCHE
   ============================================ */
.nav-links .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-nav);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  text-decoration: none;
  border-radius: 2px;
  text-transform: none;
}

.nav-links .btn.btn-secondary {
  background: var(--accent-deep);
  color: var(--white);
  opacity: 1;
}

.nav-links .btn.btn-secondary:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.nav-links .btn.btn-secondary::before {
  display: none;
}

.nav-links .btn .btn-arrow {
  font-size: 1.1rem;
  transition: transform var(--transition-fast);
}

.nav-links .btn:hover .btn-arrow {
  transform: translateX(3px);
}

/* ============================================
   BURGER MOBILE
   ============================================ */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.nav-burger span {
  width: 100%;
  height: 2px;
  background: var(--text-dark);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.nav-burger.active span:nth-child(1) {
  transform: rotate(45deg) translateY(7px);
}

.nav-burger.active span:nth-child(2) {
  opacity: 0;
}

.nav-burger.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-7px);
}

/* ============================================
   MENU MOBILE
   ============================================ */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 32px;
  padding: 100px 30px;
}

.nav-mobile.active {
  display: flex;
}

.nav-mobile a {
  font-family: var(--font-nav);
  font-size: 28px;
  font-weight: 500;
  color: var(--text-dark);
  transition: all var(--transition-base);
  text-decoration: none;
}

.nav-mobile a:hover {
  color: var(--accent-deep);
  transform: translateX(10px);
}

/* Menu déroulant mobile (details/summary) */
.nav-mobile .nav-mobile-dropdown {
  width: 100%;
  text-align: center;
}

.nav-mobile .nav-mobile-dropdown summary {
  font-family: var(--font-nav);
  font-size: 28px;
  font-weight: 500;
  color: var(--text-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all var(--transition-base);
}

.nav-mobile .nav-mobile-dropdown summary::-webkit-details-marker {
  display: none;
}

.nav-mobile .nav-mobile-dropdown summary::after {
  content: '';
  border: solid var(--text-dark);
  border-width: 0 2px 2px 0;
  display: inline-block;
  padding: 4px;
  transform: rotate(45deg);
  margin-top: -4px;
  transition: transform var(--transition-base);
}

.nav-mobile .nav-mobile-dropdown[open] summary::after {
  transform: rotate(-135deg);
  margin-top: 4px;
}

.nav-mobile .nav-mobile-dropdown summary:hover {
  color: var(--accent-deep);
}

.nav-mobile .nav-mobile-dropdown summary:hover::after {
  border-color: var(--accent-deep);
}

.nav-mobile .nav-mobile-dropdown__items {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 24px 0 8px;
}

.nav-mobile .nav-mobile-dropdown__items a {
  font-family: var(--font-nav);
  font-size: 18px;
  color: var(--warm-gray);
  padding-left: 20px;
}

.nav-mobile .nav-mobile-dropdown__items a:hover {
  color: var(--accent-deep);
  transform: translateX(10px);
}

/* Bouton CTA mobile */
.nav-mobile .btn.btn-primary {
  background: var(--accent-deep);
  color: var(--white);
  border: none;
  font-family: var(--font-nav);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.3px;
  padding: 18px 36px;
  margin-top: 16px;
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav-mobile .btn.btn-primary:hover,
.nav-mobile .btn.btn-primary:active {
  background: var(--accent);
  opacity: 0.95;
  transform: none;
}

/* ============================================
   RESPONSIVE - TABLET (1024px)
   ============================================ */
@media (max-width: 1024px) {
  .nav {
    padding: 15px 30px;
  }

  .nav-links {
    display: none;
  }

  .nav-burger {
    display: flex;
  }
}

/* ============================================
   RESPONSIVE - MOBILE (768px)
   ============================================ */
@media (max-width: 768px) {
  .nav {
    padding: 15px 20px;
  }

  .nav-logo {
    width: 160px;
    height: 65px;
  }
}