/* ═══════════════════════════════════════════════════════
   NAV — Header · Desktop · Mobile overlay · Hamburger
   ═══════════════════════════════════════════════════════ */

#site-nav {
  position: fixed; top:0; left:0; right:0;
  height: var(--bar-h);
  z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--pad);
  pointer-events: none;
  transition: opacity .4s ease, transform .4s ease;
}
#site-nav.nav-hidden {
  opacity: 0;
  transform: translateY(-100%);
  pointer-events: none !important;
}

/* Logo */
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; pointer-events: auto;
  transform-origin: left center;
  transform: scale(1);
  transition: transform .35s cubic-bezier(.34,1.56,.64,1);
  will-change: transform;
}
.nav-logo:hover { transform: scale(1.18) }

.nav-logo-rule { width:28px; height:1px; background:var(--red) }
.nav-logo-name {
  font-family: 'Rajdhani', sans-serif;
  font-size: 10px; font-weight: 600;
  letter-spacing: .34em; color: var(--red);
  text-transform: uppercase;
}

/* Logo vidéo 960×960 — affichage direct, fond noir effacé par screen */
.nav-logo {
  overflow: visible;
  width: 158px;
  height: 158px;
  flex-shrink: 0;
  align-self: flex-start;
  margin-top: 8px;
}
.nav-logo-vid {
  width:  158px;
  height: 158px;
  object-fit: contain;
  display: block;
  mix-blend-mode: screen;
}

@media (max-width: 768px) {
  .nav-logo, .nav-logo-vid { width: 96px; height: 96px; }
  .nav-logo { margin-top: 4px; }
}

/* Desktop links */
.nav-links {
  display: flex; gap: 32px;
  pointer-events: auto;
}
.nav-link {
  font-family: 'Rajdhani', sans-serif;
  font-size: 12px; font-weight: 400; letter-spacing: .28em;
  color: var(--muted); text-transform: uppercase;
  text-decoration: none; cursor: pointer;
  transition: color .3s; position: relative;
}
.nav-link::after {
  content: '';
  position: absolute; bottom:-3px; left:0;
  width: 0; height: 1px; background: var(--red);
  transition: width .3s;
}
.nav-link:hover,
.nav-link.active { color: var(--red) }
.nav-link:hover::after,
.nav-link.active::after { width: 100% }

/* Hamburger */
#hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  width: 24px; cursor: pointer; pointer-events: auto;
  z-index: 202;
}
#hamburger span {
  display: block; height: 1px;
  background: var(--white);
  transition: transform .3s, opacity .3s;
}
#hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg) }
#hamburger.open span:nth-child(2) { opacity: 0 }
#hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg) }

/* Mobile overlay menu */
#mobile-menu {
  position: fixed; inset:0; z-index: 199;
  background: rgba(4,4,4,.97);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 40px;
  opacity: 0; visibility: hidden;
  transition: opacity .4s, visibility .4s;
}
#mobile-menu.open { opacity:1; visibility:visible }
.mob-link {
  font-family: 'Bebas Neue', cursive;
  font-size: clamp(32px,8vw,64px);
  letter-spacing: .12em;
  color: var(--muted); text-decoration: none;
  transition: color .3s;
}
.mob-link:hover { color: var(--red) }

@media (max-width: 768px) {
  .nav-links  { display: none }
  #hamburger  { display: flex }
}