/*
 * ===========================================================================
 * ORIQ IA : NAVIGATION MOBILE. Feuille autonome, chargee sur toutes les pages
 * (accueil bundle Vite + pages statiques guides/seo). Sous 1060px la nav
 * horizontale est masquee par les feuilles existantes : ce fichier apporte le
 * bouton menu et le tiroir plein ecran qui la remplacent.
 * ===========================================================================
 */

/* --- Bouton menu : visible uniquement quand la nav horizontale tombe --- */
.nav-burger {
  display: none;
  align-items: center; justify-content: center;
  width: 42px; height: 42px; padding: 0;
  border: 1.5px solid var(--line-strong, #d7dce6);
  border-radius: var(--radius-sm, 10px);
  background: transparent;
  color: var(--text, #0a0c10);
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
}
.nav-burger:hover { border-color: var(--brand, #0066FF); }
.nav-burger span {
  display: block; width: 18px; height: 2px; border-radius: 2px;
  background: currentColor;
  transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1), opacity 140ms ease;
}
.nav-burger span + span { margin-top: 4px; }
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1060px) {
  .nav-burger { display: inline-flex; flex-direction: column; }
}

/* --- Voile --- */
.nav-drawer-veil {
  position: fixed; inset: 0;
  z-index: 2147482000;
  background: rgba(6, 9, 16, 0.42);
  backdrop-filter: blur(2px);
  opacity: 0; pointer-events: none;
  transition: opacity 240ms ease;
}
.nav-drawer-veil.is-open { opacity: 1; pointer-events: auto; }

/* --- Tiroir : panneau lateral droit --- */
.nav-drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  z-index: 2147482001;
  width: min(88vw, 380px);
  display: flex; flex-direction: column;
  background: var(--bg, #ffffff);
  border-left: 1px solid var(--line, #e9ecf2);
  box-shadow: -24px 0 60px -30px rgba(10, 12, 16, 0.5);
  transform: translateX(100%);
  transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
  overscroll-behavior: contain;
}
.nav-drawer.is-open { transform: translateX(0); }

.nav-drawer__head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 1.25rem;
  border-bottom: 1px solid var(--line, #e9ecf2);
  flex: none;
}
.nav-drawer__title {
  font-size: 0.68rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-muted, #59637a);
}
.nav-drawer__close {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; padding: 0;
  border: 1.5px solid var(--line-strong, #d7dce6);
  border-radius: var(--radius-sm, 10px);
  background: transparent; color: var(--text, #0a0c10);
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease;
}
.nav-drawer__close:hover { border-color: var(--brand, #0066FF); color: var(--brand, #0066FF); }
.nav-drawer__close svg { width: 18px; height: 18px; }

.nav-drawer__body {
  flex: 1 1 auto; min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0.5rem 0 1.25rem;
}

.nav-drawer__link {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.25rem;
  font-size: 1.06rem; font-weight: 600;
  color: var(--text, #0a0c10);
  text-decoration: none;
  border-bottom: 1px solid var(--line, #e9ecf2);
  opacity: 0; transform: translateX(14px);
  transition: background 160ms ease, color 160ms ease;
}
.nav-drawer__link::after {
  content: "→";
  color: var(--brand, #0066FF);
  font-weight: 700;
  opacity: 0; transform: translateX(-6px);
  transition: opacity 160ms ease, transform 200ms cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-drawer__link:hover,
.nav-drawer__link:focus-visible { background: var(--surface-2, #f2f5f9); color: var(--brand, #0066FF); }
.nav-drawer__link:hover::after,
.nav-drawer__link:focus-visible::after { opacity: 1; transform: translateX(0); }
.nav-drawer__link[aria-current="page"] { color: var(--brand, #0066FF); }

.nav-drawer.is-open .nav-drawer__link {
  animation: navDrawerIn 320ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: calc(40ms + var(--i, 0) * 32ms);
}
@keyframes navDrawerIn {
  to { opacity: 1; transform: none; }
}

.nav-drawer__actions {
  flex: none;
  display: flex; flex-direction: column; gap: 0.6rem;
  padding: 1.1rem 1.25rem calc(1.1rem + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--line, #e9ecf2);
  background: var(--bg, #ffffff);
}
.nav-drawer__actions .nav__ghost,
.nav-drawer__actions .nav__cta {
  display: block; width: 100%;
  text-align: center;
  padding: 0.85rem 1.2rem;
  font-size: 0.98rem;
}

body.nav-drawer-open { overflow: hidden; }
/* Le conseiller IA flotte au-dessus de tout (z-index max) : on l'efface le
   temps du menu, sinon sa bulle traverse le tiroir. */
body.nav-drawer-open .oriq-advisor { visibility: hidden; }

@media (prefers-reduced-motion: reduce) {
  .nav-drawer,
  .nav-drawer-veil,
  .nav-burger span { transition-duration: 1ms; }
  .nav-drawer.is-open .nav-drawer__link { animation: none; opacity: 1; transform: none; }
}