/* ==========================================================
   WIDE VISION — navbar.css
   Navigation fixe · Blur scroll · Burger mobile · Actif
   ========================================================== */

/* ══════════════════════════════════════════
   NAVBAR WRAPPER
══════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  height: var(--nav-h);
  transition:
    background     var(--t-slow),
    border-color   var(--t-slow),
    backdrop-filter var(--t-slow);
}

/* État scrollé — glass effect inspiré ReachFlow */
.nav.is-scrolled {
  background: rgba(7, 7, 9, 0.88);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid var(--gold-border);
}

/* Ligne déco bas de la nav */
.nav.is-scrolled::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--gold-border-hi) 30%,
    var(--gold-border-hi) 70%,
    transparent 100%
  );
  opacity: 0.5;
}

/* ══════════════════════════════════════════
   INNER LAYOUT
══════════════════════════════════════════ */
.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

/* ══════════════════════════════════════════
   LOGO
══════════════════════════════════════════ */
.nav__logo {
  font-family: var(--f-display);
  font-size: 1.38rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 1px;
  text-decoration: none;
  transition: opacity var(--t-base);
}
.nav__logo:hover { opacity: 0.85 }

.nav__logo-wide  { color: var(--white) }
.nav__logo-dot   { color: var(--gold); font-size: 1.6rem; line-height: 0; margin: 0 1px }
.nav__logo-vision{ color: var(--gold) }

/* ══════════════════════════════════════════
   LIENS DESKTOP
══════════════════════════════════════════ */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-mid);
  position: relative;
  padding: var(--sp-1) 0;
  transition: color var(--t-base);
}

/* Underline animé */
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--t-base) var(--ease-in-out);
}

.nav__links a:hover {
  color: var(--offwhite);
}
.nav__links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* État actif */
.nav__links a.is-active {
  color: var(--white);
}
.nav__links a.is-active::after {
  transform: scaleX(1);
  background: var(--gold);
}

/* ══════════════════════════════════════════
   ACTIONS DESKTOP
══════════════════════════════════════════ */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.nav__btn-wa {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  gap: var(--sp-2);
}

.nav__btn-cta {
  padding: 0.5rem 1.1rem;
  font-size: 0.8rem;
}

/* ══════════════════════════════════════════
   BURGER MOBILE
══════════════════════════════════════════ */
.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  margin-left: auto;
  border-radius: var(--radius-sm);
  transition: background var(--t-base);
}
.nav__burger:hover {
  background: var(--gold-dim);
}

.nav__burger-line {
  display: block;
  width: 100%; height: 1.5px;
  background: var(--offwhite);
  border-radius: 2px;
  transform-origin: center;
  transition:
    transform  var(--t-base) var(--ease-in-out),
    opacity    var(--t-base),
    background var(--t-base);
}

/* Burger → Croix */
.nav__burger[aria-expanded="true"] .nav__burger-line:nth-child(1) {
  transform: rotate(45deg) translate(4.5px, 4.5px);
  background: var(--gold);
}
.nav__burger[aria-expanded="true"] .nav__burger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__burger[aria-expanded="true"] .nav__burger-line:nth-child(3) {
  transform: rotate(-45deg) translate(4.5px, -4.5px);
  background: var(--gold);
}

/* ══════════════════════════════════════════
   MENU MOBILE
══════════════════════════════════════════ */
.nav__mobile {
  position: absolute;
  top: var(--nav-h);
  left: 0; right: 0;

  /* Animation d'ouverture */
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--t-slow) var(--ease-in-out);

  background: rgba(7, 7, 9, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gold-border);
}

.nav__mobile.is-open {
  grid-template-rows: 1fr;
}

.nav__mobile-inner {
  overflow: hidden;
}

.nav__mobile-content {
  padding: var(--sp-6) var(--pad) var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

/* Liens mobile */
.nav__mobile-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) 0;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-mid);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: color var(--t-base), padding-left var(--t-base);
}
.nav__mobile-link:hover,
.nav__mobile-link.is-active {
  color: var(--white);
  padding-left: var(--sp-3);
}
.nav__mobile-link.is-active { color: var(--gold) }

.nav__mobile-link span {
  font-family: var(--f-mono);
  font-size: 0.65rem;
  color: var(--gold);
  opacity: 0.5;
  letter-spacing: 0.1em;
}

/* CTAs mobile */
.nav__mobile-ctas {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--gold-border);
}

.nav__mobile-ctas .btn {
  justify-content: center;
  padding: 0.9rem 1.5rem;
}

/* Info contact rapide dans le menu mobile */
.nav__mobile-info {
  margin-top: var(--sp-4);
  padding-top: var(--sp-4);
  border-top: 1px solid rgba(255,255,255,0.04);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.nav__mobile-info a {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  color: var(--text-lo);
  transition: color var(--t-base);
}
.nav__mobile-info a:hover { color: var(--gold) }

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 900px) {
  .nav__links,
  .nav__actions {
    display: none;
  }
  .nav__burger {
    display: flex;
  }
}

@media (max-width: 480px) {
  .nav__mobile-ctas {
    flex-direction: column;
  }
}