/* ============================================
   NAVBAR GNOVEX - OPTIMISÉ AVEC AUTO-ACTIVATION
   Design: Clean, Professionnel, Performant
   ============================================ */

/* ============= NAVBAR CONTAINER ============= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  z-index: 1000;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border-bottom-color: rgba(0, 0, 0, 0.08);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 5%;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* ============= LOGO ============= */
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  position: relative;
}

.logo:hover {
  transform: translateY(-2px);
}

.logo-img {
  height: 40px;
  width: auto;
  display: block;
}

/* Logo texte si pas d'image */
.logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #41CE9F, #25B0D5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

/* ============= NAVIGATION MENU ============= */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.2rem;
  margin: 0;
  padding: 0;
  flex: 1;
  justify-content: center;
}

.nav-menu li {
  position: relative;
}

/* ============= NAV LINKS ============= */
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.9rem;
  color: #1E1E1E;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  position: relative;
  letter-spacing: -0.01em;
}

/* Effet hover subtil */
.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(65, 206, 159, 0.08), rgba(37, 176, 213, 0.08));
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 8px;
  z-index: -1;
}

.nav-link:hover::before {
  opacity: 1;
}

.nav-link:hover {
  color: #25B0D5;
  transform: translateY(-1px);
}

/* Lien actif - S'active automatiquement au scroll */
.nav-link.active {
  color: #ffffff;
  background: linear-gradient(135deg, #41CE9F, #25B0D5);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(37, 176, 213, 0.3);
}

.nav-link.active::before {
  display: none;
}

.nav-link.active:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 176, 213, 0.4);
}

/* ============= CTA BUTTON ============= */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-shrink: 0;
}

.nav-btn-primary {
  padding: 0.65rem 1.5rem;
  background: linear-gradient(135deg, #41CE9F, #25B0D5);
  color: #ffffff;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(37, 176, 213, 0.25);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

/* Effet brillant au survol */
.nav-btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.nav-btn-primary:hover::before {
  left: 100%;
}

.nav-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 176, 213, 0.4);
}

.nav-btn-primary:active {
  transform: translateY(0);
}

/* ============= MOBILE MENU TOGGLE ============= */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 10;
  position: relative;
  border-radius: 6px;
  transition: background 0.3s ease;
}

.menu-toggle:hover {
  background: rgba(37, 176, 213, 0.08);
}

.menu-toggle span {
  width: 26px;
  height: 2.5px;
  background: linear-gradient(90deg, #41CE9F, #25B0D5);
  border-radius: 3px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

/* Animation burger → X */
.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(15px);
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

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

/* Tablet */
@media (max-width: 1024px) {
  .nav-container {
    padding: 0 4%;
    gap: 1.5rem;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(25px);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.6rem;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-15px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
  }

  .nav-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    justify-content: center;
    padding: 0.9rem 1.2rem;
    font-size: 1rem;
  }

  .nav-actions {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  /* Empêcher scroll du body quand menu ouvert */
  body.modal-open {
    overflow: hidden;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .nav-container {
    height: 65px;
    padding: 0 5%;
  }

  .logo-img {
    height: 36px;
  }

  .nav-menu {
    top: 65px;
    padding: 1.2rem;
  }

  .nav-link {
    padding: 0.8rem 1rem;
    font-size: 0.95rem;
  }

  .menu-toggle span {
    width: 24px;
    height: 2px;
  }
}

/* ============= ACCESSIBILITÉ ============= */

/* Focus visible pour clavier */
.nav-link:focus-visible,
.nav-btn-primary:focus-visible {
  outline: 2px solid #25B0D5;
  outline-offset: 2px;
}

/* Réduire les animations si préférence utilisateur */
@media (prefers-reduced-motion: reduce) {
  .navbar,
  .nav-link,
  .nav-btn-primary,
  .menu-toggle span {
    transition: none;
  }
}

/* Smooth scroll padding pour compenser navbar fixe */
html {
  scroll-padding-top: 80px;
}