/* ============================================================
   Gallery Events — Navigation + mobile menu
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  /* above .mobile-menu (101) so logo + burger stay clickable when menu is open */
  z-index: 110;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.88) 0%, transparent 100%);
  transition: background 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

/* Solid bar once the page is scrolled — JS toggles .nav--scrolled */
.nav--scrolled {
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(var(--accent-rgb), 0.15);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
  transition: transform 0.25s var(--ease-out);
}

.nav__logo-mark {
  width: 58px;
  height: 58px;
  object-fit: contain;
  flex: 0 0 auto;
}

.nav__logo-wordmark {
  height: 34px;
  max-width: min(38vw, 183px);
  width: auto;
  /* black logo becomes white on dark bg */
  filter: invert(1);
  display: block;
}

.nav__brand:hover { transform: scale(1.03); }

.nav__links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav__links a {
  position: relative;
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s var(--ease-out);
}

/* Animated underline */
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease-out);
}

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

/* ── Hamburger navigation ── */
.nav__burger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 6px;
  z-index: 102;
  color: var(--text);
}

.nav__burger svg {
  display: block;
  width: 32px;
  height: 32px;
  transition: transform 600ms var(--ease-out);
}

.nav__burger-morph {
  stroke-dasharray: 12 63;
  stroke-dashoffset: 0;
  transition: stroke-dasharray 600ms var(--ease-out), stroke-dashoffset 600ms var(--ease-out);
}

.nav__burger[aria-expanded="true"] svg {
  transform: rotate(-45deg);
}

.nav__burger[aria-expanded="true"] .nav__burger-morph {
  stroke-dasharray: 20 300;
  stroke-dashoffset: -32.42px;
}

/* ── Compact side menu ── */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: clamp(260px, 21vw, 320px);
  height: min(61vh, 720px);
  z-index: 101;
  background: rgba(0, 0, 0, 0.96);
  backdrop-filter: blur(16px);
  border-left: 1px solid rgba(var(--accent-rgb), 0.22);
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.22);
  border-bottom-left-radius: 18px;
  box-shadow: -18px 18px 50px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 1.15rem;
  padding: calc(var(--nav-h) + 2rem) 2.25rem 3rem;
  overflow-y: auto;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 0.45s var(--ease-out), visibility 0.45s;
}

.mobile-menu.open {
  transform: translateX(0);
  visibility: visible;
}

.mobile-menu > a,
.mobile-menu__parent {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.02em;
  color: var(--text);
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out), color 0.2s;
}

.mobile-menu.open > a,
.mobile-menu.open .mobile-menu__parent,
.mobile-menu.open .mobile-menu__group {
  opacity: 1;
  transform: translateX(0);
}

.mobile-menu__group {
  width: 100%;
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

.mobile-menu__parent {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
}

.mobile-menu__parent span {
  font-family: var(--font-body);
  font-size: 1.6rem;
  transition: transform 0.3s var(--ease-out);
}

.mobile-menu__parent[aria-expanded="true"] span { transform: rotate(45deg); }

.mobile-menu__submenu {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease-out), opacity 0.3s ease;
}

.mobile-menu__submenu.open {
  max-height: 220px;
  opacity: 1;
}

.mobile-menu__submenu a {
  display: block;
  padding: 0.38rem 0 0.38rem 0.8rem;
  border-left: 1px solid rgba(var(--accent-rgb), 0.4);
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Staggered entrance for menu links */
.mobile-menu.open .mobile-menu__group { transition-delay: 0.05s; }
.mobile-menu.open > a:nth-of-type(1) { transition-delay: 0.12s; }
.mobile-menu.open > a:nth-of-type(2) { transition-delay: 0.19s; }
.mobile-menu.open > a:nth-of-type(3) { transition-delay: 0.26s; }

.mobile-menu a:hover { color: var(--accent-soft); }

@media (max-width: 768px) {
  .mobile-menu {
    width: min(82vw, 320px);
    height: min(70dvh, 560px);
  }

  .nav__logo-mark {
    width: 52px;
    height: 52px;
  }

  .nav__logo-wordmark {
    height: 29px;
    max-width: min(48vw, 155px);
  }
}