.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-h);
  display: flex;
  align-items: center;
  background: rgba(8, 8, 8, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out),
              backdrop-filter var(--duration-normal) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(8, 8, 8, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--color-border);
}

.navbar__inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.navbar__logo-mark {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #080808;
  border-radius: var(--radius-sm);
}

/* Logo cyan (même fichier que footer & favicon) */
.navbar__logo-mark img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-normal);
}

.navbar__logo:hover .navbar__logo-mark img {
  transform: scale(1.05);
  opacity: 0.9;
}

.navbar__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.navbar__logo-name {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  letter-spacing: 0.04em;
  color: var(--color-white);
}

.navbar__logo-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: var(--weight-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-green);
  margin-top: 2px;
}

/* Nav links */
.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.navbar__link {
  position: relative;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-white-dim);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast);
  letter-spacing: 0.01em;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-green);
  border-radius: 1px;
  transform: translateX(-50%);
  transition: width var(--duration-normal) var(--ease-out);
}

.navbar__link:hover {
  color: var(--color-white);
}

.navbar__link:hover::after,
.navbar__link.active::after {
  width: calc(100% - var(--space-6));
}

.navbar__link.active {
  color: var(--color-white);
}

/* CTA + Lang switch */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Language switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.lang-switch__btn {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: var(--weight-medium);
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 9px;
  color: var(--color-white-muted);
  background: var(--color-bg);
  transition: color var(--duration-fast), background var(--duration-fast);
  line-height: 1;
  cursor: pointer;
  border: none;
}

.lang-switch__btn:hover {
  color: var(--color-white);
  background: var(--color-surface);
}

.lang-switch__btn.is-active {
  color: var(--color-bg);
  background: var(--color-green);
}

/* Mobile menu button */
.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast);
}

.navbar__toggle:hover {
  background: var(--color-surface);
}

.navbar__toggle-bar {
  width: 100%;
  height: 1.5px;
  background: var(--color-white);
  border-radius: 1px;
  transform-origin: center;
  transition: transform var(--duration-normal) var(--ease-out),
              opacity var(--duration-fast),
              width var(--duration-normal) var(--ease-out);
}

.navbar__toggle.open .navbar__toggle-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.navbar__toggle.open .navbar__toggle-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.navbar__toggle.open .navbar__toggle-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile menu drawer */
.navbar__drawer {
  position: fixed;
  top: var(--navbar-h);
  left: 0;
  right: 0;
  max-height: calc(100dvh - var(--navbar-h));
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  background: rgba(8, 8, 8, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6) var(--container-pad) var(--space-8);
  padding-bottom: max(var(--space-8), env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out);
  z-index: 999;
}

.navbar__drawer.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.navbar__drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  color: var(--color-white-dim);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--duration-fast);
}

.navbar__drawer-link:last-of-type {
  border-bottom: none;
}

.navbar__drawer-link:hover {
  color: var(--color-white);
}

.navbar__drawer-link svg {
  width: 16px;
  height: 16px;
  color: var(--color-green);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity var(--duration-fast), transform var(--duration-normal) var(--ease-out);
}

.navbar__drawer-link:hover svg {
  opacity: 1;
  transform: translateX(0);
}

.navbar__drawer-cta {
  margin-top: var(--space-4);
}

/* Responsive */
@media (max-width: 900px) {
  .navbar__nav { display: none; }
  .navbar__cta { display: none; }
  .navbar__toggle { display: flex; }
  .navbar__actions .gt-switch { display: flex; }
  .navbar__inner { gap: var(--space-4); }
}

@media (max-width: 480px) {
  .navbar__logo-sub { display: none; }
  .navbar__logo-mark { width: 40px; height: 40px; }
  .navbar__logo-mark img { width: 40px; height: 40px; }
  .navbar__toggle {
    width: 44px;
    height: 44px;
  }
}

/* Mobile drawer lang row */
.navbar__drawer-lang {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.navbar__drawer-lang-hint {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-white-muted);
}

.navbar__drawer-lang-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--color-white-muted);
}