/* ============================================================
   UniHeberg — NAVBAR v4 "UniHeberg"
   Mega-menus violet nuit, icônes colorées, entrées de service conservées.
   Chargé APRÈS main.css : override uniquement, aucun HTML modifié.
   ============================================================ */

:root {
  --nav-panel: #0b0e1c;
  --nav-panel-2: rgba(255,255,255,0.035);
  --nav-accent: #9b6dff;
}

/* ── Barre : logo à gauche, menu centré, actions à droite ── */
header nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 72px;
  padding: 0 28px;
  background: rgba(7,10,19,0.72);
  backdrop-filter: blur(24px) saturate(1.6);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
header nav > .logo { flex-shrink: 0; }
header nav .nav-desktop {
  display: contents;
}
header nav .nav-links {
  margin: 0 auto;
  min-width: 0;
  gap: 2px;
}
header nav .nav-auth {
  flex-shrink: 0;
  gap: 10px;
}


/* ── Boutons de menu : typo Syne majuscule + indicateur ── */
.nav-dropdown-btn {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.72);
  padding: 10px 16px;
  border-radius: 0;
  position: relative;
  background: none !important;
}
.nav-dropdown-btn::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 2px;
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--purple2), var(--purple));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.22s cubic-bezier(.4,0,.2,1);
}
.nav-dropdown:hover > .nav-dropdown-btn,
.nav-dropdown.open > .nav-dropdown-btn { color: #fff; }
.nav-dropdown:hover > .nav-dropdown-btn::after,
.nav-dropdown.open > .nav-dropdown-btn::after { transform: scaleX(1); }
.nav-dropdown-btn svg { width: 12px; height: 12px; }

/* ── Panneau mega-menu ── */
.nav-dropdown-menu { padding-top: 14px; left: 50%; transform: translateX(-50%); }
/* les deux derniers menus s'ancrent à droite pour ne pas déborder */
.nav-links > li:last-child > .nav-dropdown-menu,
.nav-links > li:nth-last-child(2) > .nav-dropdown-menu {
  left: auto; right: 0; transform: none;
}

.nav-dropdown-menu-inner {
  width: max-content;
  min-width: 380px;
  max-width: min(860px, 94vw);
  background: color-mix(in srgb, var(--nav-panel) 94%, transparent);
  backdrop-filter: blur(28px) saturate(1.4);
  border: 1px solid rgba(155,109,255,0.18);
  border-radius: 20px;
  padding: 18px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6),
              0 0 0 1px rgba(155,109,255,0.06),
              0 -1px 40px rgba(155,109,255,0.14) inset,
              inset 0 1px 0 rgba(255,255,255,0.06);
  background-image: radial-gradient(120% 90% at 0% 0%, rgba(155,109,255,0.13), transparent 60%);
  animation: navPanelIn 0.18s cubic-bezier(.2,.8,.3,1);
}
@keyframes navPanelIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Étiquette de catégorie (façon Fusiora) */
.nav-dropdown-menu-inner::before {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 10px; font-weight: 800;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--nav-accent);
  padding: 2px 12px 12px;
}
.nav-links > li:nth-child(1) .nav-dropdown-menu-inner::before { content: "Infrastructure"; }
.nav-links > li:nth-child(2) .nav-dropdown-menu-inner::before { content: "Serveurs de jeu"; }
.nav-links > li:nth-child(3) .nav-dropdown-menu-inner::before { content: "Entreprise"; }
.nav-links > li:nth-child(4) .nav-dropdown-menu-inner::before { content: "Aide & état des services"; }
.nav-links > li:nth-child(5) .nav-dropdown-menu-inner::before { content: "Apprendre"; }

/* Grille 2 colonnes dès 5 entrées */
.nav-dropdown-menu-inner:has(> .nav-dropdown-item:nth-child(5)) {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  column-gap: 10px;
}
.nav-dropdown-menu-inner:has(> .nav-dropdown-item:nth-child(5))::before {
  grid-column: 1 / -1;
}

/* ── Entrées ── */
.nav-dropdown-item {
  gap: 13px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid transparent;
  transition: background 0.16s, border-color 0.16s, transform 0.16s;
}
.nav-dropdown-item:hover {
  background: linear-gradient(90deg, rgba(155,109,255,0.14), rgba(155,109,255,0.04));
  border-color: rgba(155,109,255,0.25);
  transform: translateX(2px);
}
.nav-dropdown-item:hover .nav-dropdown-item-name { color: #fff; }

/* ── Icônes : couleur de marque visible dès le repos ── */
.nav-dropdown-icon,
.nav-dropdown-item .nav-dropdown-icon[class*="nav-icon-"] {
  width: 38px; height: 38px;
  border-radius: 12px;
  transition: background 0.18s, border-color 0.18s, color 0.18s, box-shadow 0.18s, transform 0.18s;
}
.nav-dropdown-item:hover .nav-dropdown-icon { transform: scale(1.06); }
.nav-dropdown-icon .nav-icon-img { filter: saturate(1.1); }

/* teintes par service */
.nav-icon-green  { --ic: 74,222,128; }
.nav-icon-mc     { --ic: 74,222,128; }
.nav-icon-blue   { --ic: 96,165,250; }
.nav-icon-hytale { --ic: 56,189,248; }
.nav-icon-indigo { --ic: 129,140,248; }
.nav-icon-red    { --ic: 248,113,113; }
.nav-icon-amber  { --ic: 251,191,36; }
.nav-icon-cyan   { --ic: 34,211,238; }
.nav-icon-purple { --ic: 155,109,255; }
.nav-icon-unibox { --ic: 192,132,252; }
.nav-dropdown-icon[class*="nav-icon-"] {
  background: rgba(var(--ic, 155,109,255), 0.13) !important;
  border: 1px solid rgba(var(--ic, 155,109,255), 0.28) !important;
  color: rgb(var(--ic, 155,109,255)) !important;
}
.nav-dropdown-item:hover .nav-dropdown-icon[class*="nav-icon-"] {
  background: rgba(var(--ic, 155,109,255), 0.2) !important;
  border-color: rgba(var(--ic, 155,109,255), 0.5) !important;
  box-shadow: 0 6px 20px rgba(var(--ic, 155,109,255), 0.22);
}

.nav-dropdown-item:hover .nav-dropdown-item-name { color: #fff; }


.nav-dropdown-item-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700; font-size: 13.5px;
  letter-spacing: 0.01em;
  flex-direction: row; align-items: center; gap: 8px;
  flex-wrap: wrap;
}
.nav-dropdown-item-desc {
  font-size: 11.5px;
  color: rgba(255,255,255,0.5);
  max-width: 280px;
}
.nav-dropdown-divider {
  grid-column: 1 / -1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(155,109,255,0.35), transparent);
  margin: 8px 4px;
}

/* ── Zone actions ── */
.nav-aff {
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 9px 16px;
  border-radius: 12px;
  border-color: rgba(0,232,122,0.35);
  background: rgba(0,232,122,0.07);
  color: #3ee98d;
  box-shadow: 0 0 0 0 rgba(0,232,122,0.25);
  transition: box-shadow 0.2s, background 0.2s, border-color 0.2s;
}
.nav-aff:hover { box-shadow: 0 0 22px rgba(0,232,122,0.22); }
.theme-toggle-btn { opacity: 0.6; transition: opacity 0.15s; }
.theme-toggle-btn:hover { opacity: 1; }
.nav-login {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.6);
}
.nav-btn {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 20px;
  border-radius: 12px;
}

/* ── Mobile ── */
@media (max-width: 1100px) {
  header nav { height: 64px; padding: 0 18px; }
  header nav .nav-desktop { display: none; }
  .mobile-menu { top: 64px; }
}
.mobile-section-title { letter-spacing: 0.16em; color: var(--nav-accent); }
.mobile-link { font-family: 'Syne', sans-serif; font-weight: 600; }

/* Compactage progressif pour éviter tout chevauchement */
@media (max-width: 1600px) {
  .nav-dropdown-btn { padding: 10px 10px; font-size: 11.5px; letter-spacing: 0.03em; }
  .nav-dropdown-btn::after { left: 10px; right: 10px; }
  header nav { padding: 0 18px; gap: 10px; }
  .nav-aff { padding: 9px 12px; font-size: 11px; }
  .nav-btn { padding: 10px 16px; }
  .nav-login { padding: 7px 10px; }
}
@media (max-width: 1320px) {
  .nav-dropdown-btn { padding: 10px 7px; font-size: 10.5px; }
  .nav-dropdown-btn::after { left: 7px; right: 7px; }
  .nav-aff span, .nav-aff { font-size: 10.5px; padding: 8px 10px; }
  header nav > .logo { font-size: 16px; }
}