/* ============================================================
   NAVIGATION — AnioLab
   ============================================================ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: 76px;
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(201,169,110,0.18);
  transition: height 0.3s ease;
}
.nav--scrolled { height: 62px; }

.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 3.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.nav__logo a { display: flex; align-items: center; }
.nav__logo img { height: 34px; filter: brightness(0) invert(1); transition: var(--transition); }
.nav__logo-text {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--blanc);
  font-weight: 300;
  letter-spacing: 0.05em;
}

/* Liens */
.nav__menu { display: flex; align-items: center; gap: 2rem; }
.nav__links { display: flex; align-items: center; gap: 1.8rem; list-style: none; }
.nav__links a {
  color: rgba(255,255,255,0.65);
  font-size: 0.73rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: color 0.3s;
}
.nav__links a:hover,
.nav__links .current-menu-item > a { color: var(--or); }

/* CTA Nav */
.nav__cta {
  font-size: 0.73rem !important;
  padding: 0.5rem 1.3rem !important;
  letter-spacing: 0.12em !important;
}

/* Langue */
.nav__lang { display: flex; gap: 0.3rem; margin-left: 0.5rem; }
.nav__lang-btn {
  display: inline-block;
  padding: 0.28rem 0.6rem;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.4);
  transition: var(--transition);
  cursor: pointer;
  background: none;
}
.nav__lang-btn.active,
.nav__lang-btn:hover {
  border-color: var(--or);
  color: var(--or);
}

/* Burger */
.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--blanc);
  transition: var(--transition);
}
.nav__burger--open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__burger--open span:nth-child(2) { opacity: 0; }
.nav__burger--open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Overlay mobile */
.nav__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 150;
}
.nav__overlay--visible { display: block; }

/* Boutons flottants */
.floats {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 150;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.floats__btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  transition: transform 0.3s;
  text-decoration: none;
}
.floats__btn:hover { transform: scale(1.1); }
.floats__btn--wa {
  background: #25D366;
  animation: pulseWa 3s ease-in-out infinite;
}
.floats__btn--rdv { background: var(--or); }

@keyframes pulseWa {
  0%, 100% { box-shadow: 0 4px 16px rgba(37,211,102,0.4); }
  50%       { box-shadow: 0 4px 32px rgba(37,211,102,0.7); }
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .nav__links { gap: 1.2rem; }
  .nav__links a { font-size: 0.68rem; }
}

@media (max-width: 900px) {
  .nav__burger { display: flex; }

  .nav__menu {
    position: fixed;
    top: 0; right: -100%;
    bottom: 0;
    width: 280px;
    background: var(--noir);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    padding: 2rem;
    z-index: 160;
    transition: right 0.35s ease;
    border-left: 1px solid rgba(201,169,110,0.15);
  }
  .nav__menu--open { right: 0; }

  .nav__links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
  }
  .nav__links li { width: 100%; }
  .nav__links a {
    display: block;
    padding: 0.9rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.8rem;
  }
  .nav__cta { margin-top: 1.5rem; width: 100%; text-align: center; }
  .nav__lang { margin-top: 1rem; margin-left: 0; }

  .nav__inner { padding: 0 1.5rem; }
}