/* ==========================================================================
   Garden of Eden — landing page shell (nav, site frame, finale, footer)
   Tokens inherited from hero/styles.css :root. Z-index scale from
   design-system.md §OVERLAY SYSTEM: nav 60, frame 490 — the frame sits
   above everything and passes every event through.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Hairline site frame — decorative-site-frame.md, hairline variant.
   -------------------------------------------------------------------------- */

.site-frame {
  position: fixed;
  inset: 18px;
  z-index: 490;
  border: 1px solid rgb(194 169 89 / .26); /* --accent-gold at ornament opacity (40–60% band, KB) */
  border-radius: 24px;
  pointer-events: none; /* non-negotiable — master.md §7 */
}

@media (max-width: 767px) {
  .site-frame { inset: 10px; border-radius: 14px; }
}

/* --------------------------------------------------------------------------
   Corner navigation
   -------------------------------------------------------------------------- */

.nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-6) var(--sp-8);
  pointer-events: none; /* the layer passes through; its children re-enable */
  transition: background-color var(--dur-base) var(--ease-out);
}

.nav > * { pointer-events: auto; }

/* scrolled state — sticky-header-state.md: gain a ground-tinted wash once
   the hero is left, so the wordmark stays legible over any section */
.nav.is-scrolled {
  background: linear-gradient(to bottom, rgb(20 23 10 / .85), rgb(20 23 10 / 0));
}

.nav__brand {
  font-family: 'Cormorant Garamond', 'EB Garamond', Georgia, serif;
  font-weight: 500;
  font-size: 1.25rem;
  letter-spacing: .04em;
  color: var(--text-strong);
  text-decoration: none;
  text-shadow: 0 1px 10px rgb(20 23 10 / .8);
}
.nav__brand:hover, .nav__brand:focus-visible { color: var(--accent-gold-bright); }
.nav__brand:focus-visible { outline: 2px solid var(--accent-gold-bright); outline-offset: 4px; }

.nav__burger {
  display: grid;
  place-content: center;
  gap: 5px;
  inline-size: 48px;
  block-size: 48px; /* ≥44px touch target — responsive-strategy.md */
  border: 1px solid rgb(232 223 204 / .35);
  border-radius: 50%;
  background: rgb(20 23 10 / .45);
  cursor: pointer;
  transition: background-color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.nav__burger:hover, .nav__burger:focus-visible { background: rgb(20 23 10 / .75); border-color: var(--accent-gold); }
.nav__burger:focus-visible { outline: 2px solid var(--accent-gold-bright); outline-offset: 3px; }

.nav__burger-line {
  display: block;
  inline-size: 18px;
  block-size: 2px;
  background: var(--text);
  transition: transform var(--dur-base) var(--ease-in-out), opacity var(--dur-base) var(--ease-in-out);
}

/* burger morph — nav-burger-morph.md's exact ±45° / collapse figure */
.nav__burger[aria-expanded="true"] .nav__burger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] .nav__burger-line:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] .nav__burger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   Full-screen menu panel — nav-fullscreen-overlay.md
   -------------------------------------------------------------------------- */

.nav-panel {
  position: fixed;
  inset: 0;
  z-index: 55; /* under the nav bar so the burger stays clickable as the close control */
  display: grid;
  place-content: center;
  gap: clamp(1rem, 3vh, 2rem);
  background: rgb(20 23 10 / .96);
  opacity: 0;
}
.nav-panel.is-open { opacity: 1; }

/* `display: grid` above would silently defeat the UA's [hidden] rule,
   leaving an invisible full-viewport layer intercepting every click —
   the exact overlay failure master.md §7 warns about. Restate it. */
.nav-panel[hidden] { display: none; }

.nav-panel__link {
  display: flex;
  align-items: baseline;
  gap: var(--sp-4);
  font-family: 'Cormorant Garamond', 'EB Garamond', Georgia, serif;
  font-weight: 300;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.1;
  color: var(--text);
  text-decoration: none;
  transition: color var(--dur-base) var(--ease-out), letter-spacing var(--dur-base) var(--ease-out);
}
.nav-panel__link:hover, .nav-panel__link:focus-visible { color: var(--accent-gold-bright); letter-spacing: .02em; }
.nav-panel__link:focus-visible { outline: 2px solid var(--accent-gold-bright); outline-offset: 6px; }

.nav-panel__num {
  font-size: .45em;
  color: var(--accent-gold);
  font-style: italic;
  min-inline-size: 1.5em;
}

/* --------------------------------------------------------------------------
   Finale — countdown + invitation
   -------------------------------------------------------------------------- */

.finale {
  position: relative;
  isolation: isolate;
  min-block-size: 100vh;
  min-block-size: 100svh;
  display: grid;
  place-items: center;
  overflow: clip;
  background: var(--ground);
}

.finale__bg { position: absolute; inset: 0; z-index: -1; }
.finale__bg picture { display: contents; }
.finale__bg img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  object-position: 50% 40%;
  filter: brightness(.5) saturate(.85); /* the "dusk variant" of the same garden, per sitemap §3 */
}
.finale__scrim {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 55%,
              rgb(20 23 10 / .35) 0%,
              rgb(20 23 10 / .88) 90%);
  pointer-events: none;
}

.finale__content {
  display: grid;
  justify-items: center;
  gap: clamp(1rem, 2.5vh, 1.75rem);
  text-align: center;
  padding-inline: var(--sp-6);
  padding-block: var(--sp-24, 6rem);
}

.finale__eyebrow {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: .8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .3em;
  color: var(--accent-gold-bright);
}

.finale__title {
  margin: 0;
  font-weight: 300;
  line-height: .95;
  letter-spacing: -.01em;
  font-size: clamp(2.75rem, 8vw, 6rem);
  color: var(--text-strong);
}

.finale__note {
  margin: 0;
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-style: italic;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.5;
  color: var(--text);
  opacity: .88;
}

.finale__cta { margin-block-start: var(--sp-2); }

/* Countdown — knowledge/components/countdown-timer.md, measured styling */

.countdown { display: grid; justify-items: center; gap: var(--sp-3, .75rem); }

.countdown__label {
  margin: 0;
  font-family: system-ui, sans-serif;
  font-size: .6875rem;
  text-transform: uppercase;
  letter-spacing: .22em;
  color: var(--text);
  opacity: .7;
}

.countdown__row { display: flex; align-items: center; gap: .5rem; }

.countdown__unit { display: grid; justify-items: center; gap: .35rem; }

.countdown__n {
  min-inline-size: 3.5ch;                 /* stops width jitter — KB's #1 countdown flaw */
  padding: .5rem .75rem;
  background: rgb(20 23 10 / .75);
  border: 1px solid rgb(194 169 89 / .35);
  border-radius: 8px;
  color: var(--accent-gold);
  font-family: system-ui, sans-serif;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.countdown__c {
  font-family: system-ui, sans-serif;
  font-size: .5625rem;
  text-transform: uppercase;
  letter-spacing: .2em;
  color: var(--text);
  opacity: .7;
}

.countdown__sep { color: var(--accent-gold); opacity: .5; font-weight: 700; }

.visually-hidden {
  position: absolute;
  inline-size: 1px; block-size: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

/* finale entrance resting state — landing.js animates from below;
   reduced-motion block forces these visible with no JS needed */
[data-finale-reveal] { opacity: 0; transform: translateY(26px); }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.footer {
  position: relative;
  display: grid;
  justify-items: center;
  gap: var(--sp-3, .75rem);
  padding: var(--sp-16, 4rem) var(--sp-6) var(--sp-12, 3rem);
  background: var(--ground);
  text-align: center;
}

.footer__mark {
  margin: 0;
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 400;
  font-size: 1.5rem;
  color: var(--text-strong);
}

.footer__credit {
  margin: 0;
  font-family: system-ui, sans-serif;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .22em;
  color: var(--text);
  opacity: .6;
}

.footer__top {
  margin-block-start: var(--sp-2);
  font-family: system-ui, sans-serif;
  font-size: .8125rem;
  color: var(--accent-gold);
  text-decoration: none;
  letter-spacing: .08em;
}
.footer__top:hover, .footer__top:focus-visible { color: var(--accent-gold-bright); text-decoration: underline; }

/* --------------------------------------------------------------------------
   Mobile
   -------------------------------------------------------------------------- */

@media (max-width: 767px) {
  .nav { padding: var(--sp-4) var(--sp-4); }
  .countdown__row { gap: .3rem; }
  .countdown__n { min-inline-size: 3ch; padding: .4rem .5rem; }
}

/* --------------------------------------------------------------------------
   Reduced motion — panel/burger snap instead of transitioning; finale
   content simply visible (no JS dependency for readability).
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .nav, .nav__burger, .nav__burger-line, .nav-panel, .nav-panel__link { transition: none; }
  [data-finale-reveal] { opacity: 1; transform: none; }
}