/* ─────────────────────────────────────────────────────────────────────────
   QuickRide Africa — Navigation
   Transparent on hero, transitions to dark on scroll.
   Mobile: full-screen overlay.
───────────────────────────────────────────────────────────────────────── */

.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition:
    background var(--dur-base) var(--ease-out),
    box-shadow  var(--dur-base) var(--ease-out),
    backdrop-filter var(--dur-base) var(--ease-out);
}

/* Transparent state (over hero) */
.site-nav--transparent {
  background: transparent;
}

/* Scrolled state */
.site-nav--scrolled {
  background: rgba(10, 12, 15, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--c-divider-dark);
}

/* Solid state (inner pages with no hero) */
.site-nav--solid {
  background: var(--c-ink);
  box-shadow: 0 1px 0 var(--c-divider-dark);
}

/* ─── Inner layout ─────────────────────────────────────────────────────── */
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
}

/* ─── Logo ─────────────────────────────────────────────────────────────── */
.nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.3em;
  color: var(--c-pearl);
  transition: opacity var(--dur-fast);
}
.nav__logo:hover { opacity: 0.8; }
.nav__logo-img {
  height: 152px;
  width: auto;
  display: block;
  margin-left: -1rem;
}

.nav__logo-primary {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 1.375rem;
  letter-spacing: -0.01em;
}
.nav__logo-secondary {
  font-family: var(--f-label);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-gold);
  position: relative;
  top: -2px;
}

/* ─── Desktop nav links ─────────────────────────────────────────────────── */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  list-style: none;
}

.nav__link {
  font-family: var(--f-label);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(232, 237, 242, 0.75);
  transition: color var(--dur-fast);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--c-gold);
  transition: width var(--dur-base) var(--ease-out);
}
.nav__link:hover,
.nav__link--active {
  color: var(--c-pearl);
}
.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* ─── Actions (CTA + hamburger) ─────────────────────────────────────────── */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  flex-shrink: 0;
}

/* ─── Hamburger toggle ───────────────────────────────────────────────────── */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav__bar {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--c-pearl);
  transform-origin: center;
  transition:
    transform  var(--dur-base) var(--ease-out),
    opacity    var(--dur-fast),
    width      var(--dur-base) var(--ease-out);
}

/* Open state — animate to X */
.nav__toggle[aria-expanded="true"] .nav__bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] .nav__bar:nth-child(2) {
  opacity: 0;
  width: 0;
}
.nav__toggle[aria-expanded="true"] .nav__bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ─── Mobile full-screen menu ───────────────────────────────────────────── */
.nav__mobile {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--c-ink);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: calc(var(--nav-h) + var(--sp-8)) var(--container-pad) var(--sp-12);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform var(--dur-slow) var(--ease-out), visibility 0s var(--dur-slow);
  pointer-events: none;
}

.nav__mobile.is-open {
  transform: translateX(0);
  visibility: visible;
  transition: transform var(--dur-slow) var(--ease-out), visibility 0s 0s;
  pointer-events: auto;
}

.nav__mobile-links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  width: 100%;
}

.nav__mobile-link {
  font-family: var(--f-display);
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 300;
  color: var(--c-pearl);
  letter-spacing: -0.01em;
  opacity: 0;
  transform: translateX(30px);
  transition:
    opacity   var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out),
    color     var(--dur-fast);
}
.nav__mobile-link:hover { color: var(--c-gold); }

.nav__mobile.is-open .nav__mobile-link {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger via CSS */
.nav__mobile.is-open .nav__mobile-link:nth-child(1) { transition-delay: 60ms; }
.nav__mobile.is-open .nav__mobile-link:nth-child(2) { transition-delay: 100ms; }
.nav__mobile.is-open .nav__mobile-link:nth-child(3) { transition-delay: 140ms; }
.nav__mobile.is-open .nav__mobile-link:nth-child(4) { transition-delay: 180ms; }
.nav__mobile.is-open .nav__mobile-link:nth-child(5) { transition-delay: 220ms; }
.nav__mobile.is-open .nav__mobile-link:nth-child(6) { transition-delay: 260ms; }

.nav__mobile-cta {
  margin-top: var(--sp-10);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur-base) var(--ease-out) 300ms, transform var(--dur-base) var(--ease-out) 300ms;
}
.nav__mobile.is-open .nav__mobile-cta {
  opacity: 1;
  transform: translateY(0);
}

.nav__mobile-contact {
  margin-top: auto;
  padding-top: var(--sp-8);
  border-top: 1px solid var(--c-divider-dark);
  width: 100%;
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out) 350ms;
}
.nav__mobile.is-open .nav__mobile-contact { opacity: 1; }

.nav__mobile-contact a {
  display: block;
  font-family: var(--f-label);
  font-size: var(--fs-sm);
  color: var(--c-slate);
  margin-bottom: var(--sp-2);
  transition: color var(--dur-fast);
}
.nav__mobile-contact a:hover { color: var(--c-gold); }

/* ─── Responsive breakpoints ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__cta   { display: none !important; }
  .nav__toggle { display: flex; }
}

@media (min-width: 901px) {
  .nav__mobile { display: none; }
}