/* ═══════════════════════════════════════════════════════════
   Nile — archivio strumenti e schede singole
   Nessun linguaggio nuovo: stessi token, stesse forme, stesse
   ornamentazioni del sito (il rombo di .rule, la cornice delle
   card, la griglia di .about).
   ═══════════════════════════════════════════════════════════ */

/* ── intestazione di pagina ───────────────────────────────── */

.page-head {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(8rem, 18vh, 12rem) var(--gutter) 0;
  text-align: center;
}
.page-head .rule { margin-bottom: 0; }

/* quando c'è già la barra col ritorno, l'aria in alto la mette lei */
.pagebar + .page-head { padding-top: clamp(2.5rem, 5vw, 4rem); }

/* ── barra di ritorno ─────────────────────────────────────── */

.pagebar {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(7rem, 16vh, 10rem) var(--gutter) 0;
}
.pagebar--end {
  padding-top: clamp(2.5rem, 5vw, 4rem);
  padding-bottom: var(--stack);
  display: flex;
  justify-content: center;
  border-top: 1px solid var(--hair-soft);
  margin-top: clamp(3rem, 6vw, 5rem);
}

/* la voce di menu della pagina in cui ci si trova */
.nav__links a[aria-current="page"] { color: var(--bone); }

/* ── archivio ─────────────────────────────────────────────── */

.archive {
  max-width: 52rem;
  margin-inline: auto;
  padding: 0 var(--gutter) var(--stack);
}

.archive__group { margin-top: clamp(3.5rem, 8vw, 6rem); }
.archive__group:first-child { margin-top: clamp(2.5rem, 5vw, 3.5rem); }
.archive__group .label { margin: 0; text-align: center; }
.archive__group .rule { margin-block: 1.4rem clamp(1.6rem, 3vw, 2.4rem); }

.archive__list { list-style: none; margin: 0; padding: 0; }
.archive__item + .archive__item { border-top: 1px solid var(--hair-soft); }

.archive__link {
  display: block;
  text-align: center;
  padding: clamp(0.9rem, 2vw, 1.2rem) 2.6rem;
  transition: background 0.5s var(--ease);
}
.archive__link:hover,
.archive__link:focus-visible { background: rgba(195, 154, 90, 0.05); }

.archive__name {
  position: relative;
  display: inline-block;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.6vw, 1.8rem);
  line-height: 1.25;
  letter-spacing: 0.04em;
  color: var(--bone);
  transition: color 0.45s var(--ease);
}

/* il rombo di .rule, ripreso come segnalino: converge sul nome */
.archive__name::before,
.archive__name::after {
  content: "";
  position: absolute;
  top: 0.58em;
  width: 6px;
  height: 6px;
  rotate: 45deg;
  background: var(--brass);
  opacity: 0;
  transition: opacity 0.45s var(--ease), translate 0.45s var(--ease);
}
.archive__name::before { right: 100%; margin-right: 1.1rem; translate: 8px 0; }
.archive__name::after  { left: 100%;  margin-left: 1.1rem;  translate: -8px 0; }

.archive__link:hover .archive__name,
.archive__link:focus-visible .archive__name { color: var(--brass); }
.archive__link:hover .archive__name::before,
.archive__link:hover .archive__name::after,
.archive__link:focus-visible .archive__name::before,
.archive__link:focus-visible .archive__name::after { opacity: 1; translate: 0 0; }

/* ── scheda del singolo strumento ─────────────────────────── */

/* stessa griglia di .about: foto a sinistra, testo a destra */
.instrument {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(3rem, 7vw, 5.5rem) var(--gutter) 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
@media (min-width: 56rem) { .instrument { grid-template-columns: 5fr 6fr; } }

/* cornice vuota: stesso trattamento delle immagini in home */
.instrument__frame {
  margin: 0;
  aspect-ratio: 3 / 4;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(80% 60% at 50% 30%, rgba(195, 154, 90, 0.10), transparent 70%),
    linear-gradient(to bottom, var(--soot), var(--ink-2));
  border: 1px solid var(--hair);
  outline: 1px solid var(--hair-soft);
  outline-offset: 6px;
}
.instrument__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.92;
}
.instrument__frame figcaption {
  font-family: var(--serif);
  font-variant: small-caps;
  font-size: 0.95rem;
  letter-spacing: 0.24em;
  color: var(--bone-faint);
  padding: 1rem;
  text-align: center;
}

.instrument__block { margin-top: clamp(2.5rem, 5vw, 3.5rem); }
.instrument__block:first-child { margin-top: 0; }
.instrument__block .label { margin-bottom: 1.1rem; }
.instrument__block > p {
  color: var(--bone-dim);
  font-size: var(--fs-lede);
  max-width: 34rem;
}
.instrument__block + .instrument__block {
  padding-top: clamp(1.8rem, 3.5vw, 2.4rem);
  border-top: 1px solid var(--hair);
}

/* ── browsing: previous / next instrument ─────────────────── */

.pagebar--nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: center;
}
.pagebar__index { grid-column: 2; }

.pagebar__step {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: var(--bone-dim);
  transition: color 0.45s var(--ease);
}
.pagebar__step--prev { grid-column: 1; }
.pagebar__step--next { grid-column: 3; text-align: right; }
.pagebar__step:hover,
.pagebar__step:focus-visible { color: var(--brass); }

.pagebar__name {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  letter-spacing: 0.03em;
  color: var(--bone-2);
  transition: color 0.45s var(--ease);
}
.pagebar__step:hover .pagebar__name { color: var(--brass); }

/* the return anchor must not land underneath the fixed navigation bar */
.archive__item { scroll-margin-top: 30vh; }

/* ── morph between the archive and the instrument page ────── */

@supports (view-transition-name: none) {
  body:has(.instrument) .page-head .display { view-transition-name: instrument-title; }
  .instrument__frame img { view-transition-name: instrument-photo; }

  /* the morph is their entrance: revealing them too would animate twice */
  body:has(.instrument) .page-head .display.reveal,
  body:has(.instrument) .instrument__frame.reveal { opacity: 1; transform: none; }
}

/* ── responsive ───────────────────────────────────────────── */

@media (max-width: 40rem) {
  .archive__link { padding-inline: 1.9rem; }
  .archive__name::before { margin-right: 0.7rem; }
  .archive__name::after  { margin-left: 0.7rem; }
  .pagebar--nav { gap: 0.9rem; }
  .pagebar__name { font-size: 1rem; }
}