/* Native page transitions keep the old page visible until the next is ready. */
@view-transition {
  navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 160ms;
  animation-timing-function: ease-in-out;
}

@media (prefers-reduced-motion: reduce) {
  @view-transition { navigation: none; }
  ::view-transition-old(root),
  ::view-transition-new(root) { animation: none; }
}

/* Always-visible site navigation. Colours inherit the current page's palette. */
.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 73px;
  padding: 0.85rem 2.5rem;
  font-family: 'Inter', sans-serif;
  background: var(--void);
  border-bottom: 1px solid color-mix(in srgb, var(--brass) 25%, transparent);
}

.site-nav .brand {
  display: flex;
  align-items: baseline;
  flex-shrink: 0;
  gap: 0.5rem;
  text-decoration: none;
}

.site-nav .brand .mark {
  font-family: 'Cinzel', serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--gold-bright);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav .brand .year {
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.1em;
}

.site-nav .nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0 clamp(1rem, 2vw, 2rem);
  min-width: 0;
  margin-left: auto;
}

.site-nav .nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  font-size: 0.78rem;
  color: var(--cream);
  text-decoration: none;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0.75;
  transition: opacity 0.2s, color 0.2s;
}

.site-nav .nav-links a:hover,
.site-nav .nav-links a[aria-current="page"] {
  opacity: 1;
  color: var(--gold-bright);
}

.site-nav .nav-links a[aria-current="page"]::after {
  content: '';
  position: absolute;
  inset: auto 0 3px;
  height: 1px;
  background: var(--gold);
}

.site-nav :focus-visible { outline: 2px solid var(--gold-bright); outline-offset: 3px; }

/* Keep anchor destinations clear of the landing page's fixed header. */
#about, #updates, #yagna, #dhruva { scroll-margin-top: 6rem; }

@media (max-width: 1050px) {
  .site-nav { padding: 0.65rem 1.5rem; flex-wrap: wrap; justify-content: center; gap: 0.25rem; }
  .site-nav .nav-links { justify-content: center; width: 100%; margin-left: 0; }
  #about, #updates, #yagna, #dhruva { scroll-margin-top: 8rem; }
}

@media (max-width: 600px) {
  .site-nav { padding: 0.6rem 1rem; }
  .site-nav .brand .mark { font-size: 0.85rem; letter-spacing: 0.08em; }
  .site-nav .brand .year { font-size: 0.65rem; }
  .site-nav .nav-links { gap: 0 1rem; }
  .site-nav .nav-links a { font-size: 0.75rem; letter-spacing: 0.06em; }
  #hero { padding-top: 10rem; }
  #about, #updates, #yagna, #dhruva { scroll-margin-top: 10rem; }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav a { transition: none; }
}

/* Cursor-following glow and glitter sit above page backgrounds, below content. */
.ambient-glow,
.ambient-glitter {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.ambient-glow {
  --x: 50%;
  --y: 50%;
  background: radial-gradient(
    circle 46vmin at var(--x) var(--y),
    color-mix(in srgb, var(--gold-bright) 34%, transparent),
    color-mix(in srgb, var(--gold) 16%, transparent) 36%,
    color-mix(in srgb, var(--brass) 8%, transparent) 58%,
    transparent 74%
  );
}

.ambient-glitter {
  width: 100%;
  height: 100%;
}

@media (prefers-reduced-motion: reduce) {
  .ambient-glow {
    --x: 50%;
    --y: 50%;
    opacity: 0.42;
  }

  .ambient-glitter {
    display: none;
  }
}

/* One shared three-line menu across every page. */
.site-nav .nav-toggle {
  display: none;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--gold) 70%, transparent);
  background: color-mix(in srgb, var(--void) 66%, transparent);
  color: var(--gold-bright);
  cursor: pointer;
}
.site-nav .nav-toggle:hover,
.site-nav .nav-toggle:focus-visible { background: color-mix(in srgb, var(--gold) 20%, transparent); }
.site-nav .nav-toggle-lines,
.site-nav .nav-toggle-lines::before,
.site-nav .nav-toggle-lines::after {
  display: block;
  width: 19px;
  height: 1px;
  background: currentColor;
  transition: transform 220ms ease, opacity 220ms ease;
}
.site-nav .nav-toggle-lines { position: relative; }
.site-nav .nav-toggle-lines::before,
.site-nav .nav-toggle-lines::after { content: ''; position: absolute; left: 0; }
.site-nav .nav-toggle-lines::before { top: -6px; }
.site-nav .nav-toggle-lines::after { top: 6px; }
.site-nav.menu-open .nav-toggle-lines { background: transparent; }
.site-nav.menu-open .nav-toggle-lines::before { transform: translateY(6px) rotate(45deg); }
.site-nav.menu-open .nav-toggle-lines::after { transform: translateY(-6px) rotate(-45deg); }
.site-nav .nav-links a[aria-disabled="true"] { opacity: 0.5; color: var(--cream); cursor: default; }
@media (min-width: 1025px) {
  .site-nav { flex-wrap: nowrap; justify-content: space-between; }
  .site-nav .nav-links { width: auto; margin-left: auto; justify-content: flex-end; }
}
@media (max-width: 1024px) {
  .site-nav.menu-ready { flex-wrap: nowrap; justify-content: space-between; gap: 1rem; }
  .site-nav.menu-ready .nav-toggle { display: grid; }
  .site-nav.menu-ready .nav-links {
    position: absolute;
    top: 100%;
    left: auto;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    width: min(20rem, calc(100vw - 2rem));
    max-height: calc(100dvh - 5.5rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0.5rem 0.75rem;
    margin: 0;
    border: 1px solid rgba(201, 150, 79, 0.28);
    border-radius: 0;
    background: color-mix(in srgb, var(--panel) 60%, transparent);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    box-shadow: 0 12px 28px color-mix(in srgb, #000000 20%, transparent);
  }
  .site-nav.menu-ready.menu-open .nav-links { display: flex; }
  .site-nav.menu-ready .nav-links a { justify-content: flex-start; padding: 0.85rem 0.5rem; border-bottom: 1px solid color-mix(in srgb, var(--gold) 17%, transparent); }
  .site-nav.menu-ready .nav-links a:last-child { border-bottom: 0; }
  .site-nav.menu-ready .nav-links a[aria-current="page"]::after { left: 0.5rem; right: 0.5rem; }
}


/* Prevent page typography from changing the menu's dimensions and weight. */
.site-nav, .site-nav * { box-sizing: border-box; }
.site-nav .brand { margin: 0; padding: 0; font-weight: 400; }
.site-nav .nav-links { max-width: none; overflow-x: visible; }
.site-nav .nav-links a { padding-block: 0; border: 0; width: auto; line-height: normal; }
.site-nav { line-height: normal; }
.site-nav [hidden] { display: none !important; }
.site-nav .nav-links a { font-family: 'Inter', sans-serif; font-weight: 400; }
.site-nav .brand .year { font-family: 'Inter', sans-serif; font-weight: 400; }
@media (max-height: 500px) {
  .site-nav { min-height: 0; padding-top: 0.25rem; padding-bottom: 0.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav .nav-toggle-lines,
  .site-nav .nav-toggle-lines::before,
  .site-nav .nav-toggle-lines::after { transition: none; }
}