/* ══════════════════════════════════════════
   NAVIGATION — hairline, éditoriale
══════════════════════════════════════════ */
#nav {
  position: fixed;
  top: 14px; left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 1220px;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(214,223,234,.78);
  border-radius: 24px;
  transition: box-shadow var(--dur-2) var(--ease-std), background var(--dur-2);
}
#nav.scrolled { background: rgba(255,255,255,.96); box-shadow: 0 12px 36px rgba(8,32,58,.11); }

.nav-inner {
  max-width: var(--max-w);
  height: 100%;
  margin: 0 auto;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── Logo ── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 11px;
}
.nav-logo img {
  width: 36px;
  height: 36px;
  display: block;
}
.nav-wordmark {
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--on-surface);
  white-space: nowrap;
}
.nav-wordmark em {
  font-style: italic;
  color: var(--primary);
}

/* ── Liens ── */
.nav-right {
  display: flex;
  align-items: center;
  gap: 18px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-links a {
  position: relative;
  font-size: var(--label-lg);
  font-weight: 600;
  color: var(--on-surface-var);
  padding: 6px 0;
  transition: color var(--dur-1);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--primary);
  transition: right var(--dur-2) var(--ease-std);
}
.nav-links a:hover,
.nav-links a.active { color: var(--on-surface); }
.nav-links a:hover::after,
.nav-links a.active::after { right: 0; }

.nav-links a.nav-cta {
  margin-left: 10px;
  background: var(--dark);
  color: #fff;
  padding: 11px 24px;
  border-radius: var(--r-full);
  transition: background var(--dur-1);
}
.nav-links a.nav-cta::after { display: none; }
.nav-links a.nav-cta:hover {
  background: #1b4265;
  color: #fff;
}

/* ── Lang toggle ── */
.lang-toggle {
  font-size: var(--label-md);
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--on-surface-var);
  border: var(--line);
  border-radius: var(--r-full);
  padding: 8px 12px;
  transition: color var(--dur-1), border-color var(--dur-1);
}
.lang-toggle:hover {
  color: var(--primary);
  border-color: var(--primary);
}

/* ── Hamburger ── */
.nav-hbg {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 11px;
  border-radius: var(--r-xs);
}
.nav-hbg span {
  display: block;
  height: 2px;
  background: var(--on-surface);
  transition: transform var(--dur-2) var(--ease-std), opacity var(--dur-1);
}
.nav-hbg.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hbg.open span:nth-child(2) { opacity: 0; }
.nav-hbg.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Menu mobile ── */
.nav-mob {
  position: fixed;
  inset: calc(var(--nav-h) + 28px) 16px 16px 16px;
  z-index: 999;
  background: rgba(255,255,255,.98);
  border-radius: 28px;
  box-shadow: var(--sh-3);
  display: flex;
  flex-direction: column;
  padding: 28px var(--pad-x);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity var(--dur-2) var(--ease-std), transform var(--dur-2) var(--ease-std);
}
.nav-mob.open {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}
.nav-mob .ml {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--on-surface);
  padding: 14px 0;
  border-bottom: var(--line);
}
.nav-mob .ml-sub {
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 500;
  color: var(--on-surface-var);
  padding-left: 20px;
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-hbg   { display: flex; }
}

@media (max-width: 600px) {
  #nav { top: 9px; width: calc(100% - 18px); border-radius: 20px; }
  .nav-wordmark { font-size: 1.05rem; }
  .nav-logo img { width: 32px; height: 32px; }
  .nav-right { gap: 8px; }
}