/* ==========================================================================
   REVORA — NAVIGATION
   ========================================================================== */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: 1.6rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: transform var(--dur-med) var(--ease-out), background var(--dur-fast), padding var(--dur-med) var(--ease-out), border-color var(--dur-fast);
  border-bottom: 1px solid transparent;
}

.site-nav.is-condensed {
  background: var(--charcoal-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--hairline);
  padding-block: 1rem;
}

.site-nav.is-hidden { transform: translateY(-110%); }

.site-nav__mark {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.site-nav__mark span { color: var(--gold); }

.site-nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2vw, 2.4rem);
}

.site-nav__links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ivory-dim);
  position: relative;
  padding-bottom: 4px;
  transition: color var(--dur-fast);
}

.site-nav__links a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--gold);
  transition: right var(--dur-fast) var(--ease-out);
}

.site-nav__links a:hover,
.site-nav__links a[aria-current="page"] { color: var(--ivory); }
.site-nav__links a:hover::after,
.site-nav__links a[aria-current="page"]::after { right: 0; }

.site-nav__cta {
  display: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ivory);
  width: 32px;
  height: 22px;
  position: relative;
  cursor: pointer;
  z-index: 210;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--ivory);
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast);
}
.nav-toggle span { top: 50%; }
.nav-toggle span::before { top: -8px; }
.nav-toggle span::after { top: 8px; }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { transform: rotate(45deg) translate(6px, 7px); }
.nav-toggle.is-open span::after { transform: rotate(-45deg) translate(6px, -7px); }

@media (max-width: 880px) {
  .site-nav__links {
    position: fixed;
    inset: 0;
    background: var(--charcoal);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transform: translateY(-100%);
    transition: transform var(--dur-med) var(--ease-in-out);
  }
  .site-nav__links.is-open { transform: translateY(0); }
  .site-nav__links a { font-size: 1rem; }
  .nav-toggle { display: block; }
}