/* ==========================================================================
   Site menu — shared by every page (load after global.css).
   Desktop: wordmark left, links right. Mobile (≤760px): "Menu" button that
   opens a full-screen panel. Add .is-dark to the header on dark pages
   (Unnamed Archetype) and .is-overlay to float it over a hero photo.
   ========================================================================== */

.site-nav {
  --nav-fg: var(--graphite);
  --nav-soft: rgba(60, 52, 51, 0.62);
  --nav-panel: var(--bone);
  --nav-pill-bg: var(--graphite);
  --nav-pill-fg: var(--bone);
  position: relative;
  z-index: 60;
  color: var(--nav-fg);
}
.site-nav.is-dark {
  --nav-fg: #EDE7E2;
  --nav-soft: rgba(237, 231, 226, 0.7);
  --nav-panel: #1E1815;
  --nav-pill-bg: var(--tangerine);
  --nav-pill-fg: #16110F;
}
.site-nav.is-overlay { position: absolute; top: 0; left: 0; right: 0; }

.site-nav .nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1160px;
  margin-inline: auto;
  padding: calc(26px + env(safe-area-inset-top, 0px)) clamp(20px, 5vw, 56px) 26px;
}

/* Logo */
.nav-home { display: flex; align-items: center; gap: 12px; text-decoration: none; position: relative; z-index: 2; }
.nav-home .nav-emblem { width: 15px; height: auto; }
.nav-home .nav-wordmark { width: clamp(150px, 20vw, 220px); height: auto; aspect-ratio: 760 / 77; }
.site-nav.is-dark .nav-home img { filter: brightness(0) invert(0.94); }
.site-nav:not(.is-dark) .nav-emblem { display: none; }

/* Desktop links */
.nav-links { display: flex; align-items: center; gap: clamp(20px, 3vw, 38px); margin: 0; padding: 0; list-style: none; }
.nav-links a {
  position: relative;
  font-family: "DM Mono", ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--nav-fg);
  padding-block: 6px;
}
.nav-links a:not(.nav-cta)::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-links a:not(.nav-cta):hover::after,
.nav-links a[aria-current="page"]::after { transform: scaleX(1); }
.nav-links a:not(.nav-cta):hover { color: var(--tangerine); }
.nav-links .nav-cta {
  background: var(--nav-pill-bg);
  color: var(--nav-pill-fg);
  border-radius: 999px;
  padding: 0.7rem 1.25rem;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.nav-links .nav-cta:hover { background: var(--tangerine); color: var(--graphite); }
.site-nav.is-dark .nav-links .nav-cta:hover { background: #EDE7E2; color: #16110F; }

/* Mobile toggle */
.nav-toggle {
  display: none;
  position: relative; z-index: 2;
  align-items: center; gap: 10px;
  background: none; border: 0; padding: 8px 0; cursor: pointer;
  color: var(--nav-fg);
  font-family: "DM Mono", ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase;
}
.nav-toggle .bars { position: relative; width: 22px; height: 9px; }
.nav-toggle .bars::before,
.nav-toggle .bars::after {
  content: ""; position: absolute; left: 0; right: 0; height: 1.5px; background: currentColor;
  transition: transform 0.3s ease, top 0.3s ease;
}
.nav-toggle .bars::before { top: 0; }
.nav-toggle .bars::after { top: 7.5px; }
.nav-open .nav-toggle .bars::before { top: 3.75px; transform: rotate(45deg); }
.nav-open .nav-toggle .bars::after { top: 3.75px; transform: rotate(-45deg); }

/* Mobile panel */
.nav-panel { display: none; }

.site-nav a:focus-visible, .site-nav button:focus-visible { outline: 3px solid var(--tangerine); outline-offset: 3px; }

@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-panel {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: fixed; inset: 0; z-index: 1;
    padding: calc(110px + env(safe-area-inset-top, 0px)) clamp(20px, 6vw, 40px) calc(36px + env(safe-area-inset-bottom, 0px));
    background: var(--nav-panel);
    color: var(--nav-fg);
    opacity: 0; visibility: hidden;
    transition: opacity 0.3s ease, visibility 0s linear 0.3s;
  }
  .nav-open .nav-panel { opacity: 1; visibility: visible; transition: opacity 0.3s ease; }
  .nav-panel ol { list-style: none; margin: 0; padding: 0; }
  .nav-panel li { border-top: 1px solid currentColor; border-color: color-mix(in srgb, currentColor 22%, transparent); }
  .nav-panel li:last-child { border-bottom: 1px solid color-mix(in srgb, currentColor 22%, transparent); }
  .nav-panel ol a {
    display: flex; align-items: baseline; gap: 18px;
    padding-block: 20px;
    text-decoration: none; color: inherit;
    font-family: "Cormorant", Georgia, "Times New Roman", serif;
    font-weight: 300; font-size: clamp(2.2rem, 10vw, 3rem); line-height: 1;
    transform: translateY(10px); opacity: 0;
    transition: transform 0.45s ease, opacity 0.45s ease, color 0.2s ease;
  }
  .nav-open .nav-panel ol a { transform: none; opacity: 1; }
  .nav-open .nav-panel li:nth-child(2) a { transition-delay: 0.05s; }
  .nav-open .nav-panel li:nth-child(3) a { transition-delay: 0.1s; }
  .nav-panel ol a .n {
    font-family: "DM Mono", ui-monospace, monospace; font-size: 0.7rem; letter-spacing: 0.14em;
    color: var(--nav-soft); transform: translateY(-0.9em);
  }
  .nav-panel ol a[aria-current="page"] { font-style: italic; }
  .nav-panel ol a:hover { color: var(--tangerine); }
  .nav-panel .nav-foot {
    font-family: "DM Mono", ui-monospace, monospace; font-size: 0.72rem; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--nav-soft);
  }
  .nav-panel .nav-foot a { color: inherit; }
  /* the open panel covers the overlay hero, so the logo/toggle sit on the panel */
  .site-nav.is-overlay.nav-open { position: fixed; }
}
body.nav-locked { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  .nav-panel, .nav-panel ol a, .nav-toggle .bars::before, .nav-toggle .bars::after, .nav-links a::after { transition: none !important; }
}