/* =========================================================================
   Fabio Massimo Ulivieri — design system
   Un solo foglio. Custom properties + primitivi + componenti.
   Mobile-first. Minimalismo: lo spazio bianco è parte del progetto.
   ========================================================================= */

:root {
  /* --- Colori: tela di galleria calda, le opere sono l'unico colore --- */
  --canvas:    #e7e5df;
  --surface:   #f1f0ec;
  --surface-2: #eae9e4;
  --ink:       #1a1a1a;
  --ink-soft:  #3a3a3a;
  --meta:      #6b6b6b;
  --meta-2:    #8c8a81;
  --faint:     #9a988f;
  --hairline:  #dcdad2;
  --hairline-2:#e6e5e0;

  /* --- Tipografia --- */
  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --sans:  system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --fs-meta:   0.78rem;
  --fs-small:  0.9rem;
  --fs-body:   1.0625rem;
  --fs-lead:   clamp(1.15rem, 1rem + 0.6vw, 1.35rem);
  --fs-h3:     clamp(1.35rem, 1.2rem + 0.8vw, 1.7rem);
  --fs-h2:     clamp(1.7rem, 1.3rem + 1.8vw, 2.5rem);
  --fs-h1:     clamp(2.1rem, 1.5rem + 2.8vw, 3.4rem);
  --fs-display:clamp(2.6rem, 1.7rem + 4.6vw, 5rem);

  /* --- Spaziatura --- */
  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2.5rem;
  --sp-5: 4rem;
  --sp-6: 6rem;
  --sp-7: 9rem;

  --measure: 64ch;
  --maxw:    1180px;
  --gutter:  clamp(1.25rem, 5vw, 3rem);

  --dur:  0.45s;
  --ease: cubic-bezier(0.2, 0.6, 0.2, 1);
}

/* --- Reset essenziale --- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--sans);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; }
ul { list-style: none; padding: 0; }
button { font: inherit; color: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

/* --- Tipografia di base --- */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; line-height: 1.12; letter-spacing: 0.01em; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p { max-width: var(--measure); }

/* etichette maiuscolette spaziate (metadati, kicker) */
.label, .kicker {
  font-family: var(--sans);
  font-size: var(--fs-meta);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--meta-2);
}

.lead { font-size: var(--fs-lead); color: var(--ink-soft); }
.muted { color: var(--meta); }

/* link con freccia ("Entra in Opere →") */
.link-arrow {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5em;
  text-decoration: none;
  font-size: var(--fs-small);
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), gap var(--dur) var(--ease);
}
.link-arrow::after { content: '→'; transition: transform var(--dur) var(--ease); }
.link-arrow:hover { border-color: var(--ink); }
.link-arrow:hover::after { transform: translateX(4px); }

/* =========================================================================
   Layout primitivi
   ========================================================================= */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.wrap--text { max-width: 760px; }

.ratio { aspect-ratio: var(--ratio, 4 / 5); background: var(--surface-2); overflow: hidden; }
.ratio img { width: 100%; height: 100%; object-fit: cover; }
.ratio.is-placeholder img { opacity: 0.95; }

/* Video pagina "Ulivieri racconta Ulivieri" (statement) */
.statement-videos { display: grid; gap: var(--sp-5); margin-top: var(--sp-5); }
.video-figure { margin: 0; }
.video-figure video { width: 100%; height: auto; max-height: 80vh; display: block; background: #000; }
.video-figure figcaption { margin-top: 0.6rem; font-size: 0.9rem; color: var(--meta); }

.artwork-grid { display: grid; grid-template-columns: 1fr; gap: var(--sp-5) var(--gutter); }
@media (min-width: 600px) { .artwork-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .artwork-grid--3 { grid-template-columns: repeat(3, 1fr); } }

/* spazio verticale generoso tra blocchi di pagina */
.section { padding-block: var(--sp-6); }
.section--tight { padding-block: var(--sp-5); }

/* accessibilità: skip link */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--canvas);
  padding: 0.6rem 1rem; text-decoration: none;
}
.skip-link:focus { left: 0; }

/* =========================================================================
   Header / navigazione
   ========================================================================= */
.site-header { padding-block: var(--sp-3); }
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-3);
}
.brand {
  font-family: var(--serif);
  font-size: 1.3rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.nav-group { display: flex; align-items: center; gap: var(--sp-4); }

.site-nav ul { display: flex; gap: var(--sp-4); }
.site-nav a {
  text-decoration: none;
  font-size: var(--fs-small);
  letter-spacing: 0.04em;
  color: var(--meta);
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.site-nav a:hover { color: var(--ink); }
.site-nav .is-active a { color: var(--ink); border-color: var(--ink); }

.lang-switch {
  text-decoration: none;
  font-size: var(--fs-meta);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--meta-2);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 0.35em 0.8em;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.lang-switch:hover { color: var(--ink); border-color: var(--ink); }

/* toggle mobile */
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 0.5rem; }
.nav-toggle__bar { width: 24px; height: 1.5px; background: var(--ink); transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-group {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: flex-start; gap: var(--sp-3);
    background: var(--canvas);
    padding: var(--sp-3) var(--gutter) var(--sp-4);
    border-bottom: 1px solid var(--hairline);
    transform: translateY(-8px);
    opacity: 0; visibility: hidden;
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
    z-index: 50;
  }
  .site-header { position: relative; }
  .site-nav ul { flex-direction: column; gap: var(--sp-2); }
  .site-nav a { font-size: 1.1rem; }
  body.nav-open .nav-group { opacity: 1; visibility: visible; transform: translateY(0); }
  body.nav-open .nav-toggle__bar:nth-child(1) { transform: translateY(3.25px) rotate(45deg); }
  body.nav-open .nav-toggle__bar:nth-child(2) { transform: translateY(-3.25px) rotate(-45deg); }
}

/* =========================================================================
   Footer
   ========================================================================= */
.site-footer { margin-top: var(--sp-7); padding-block: var(--sp-5); border-top: 1px solid var(--hairline); }
.site-footer__inner { display: grid; gap: var(--sp-4); }
@media (min-width: 700px) { .site-footer__inner { grid-template-columns: 1fr auto 1fr; align-items: start; } }
.site-footer__brand { font-family: var(--serif); font-size: 1.2rem; }
.site-footer__brand span { display: block; font-family: var(--sans); font-size: var(--fs-meta); letter-spacing: 0.14em; text-transform: uppercase; color: var(--meta-2); margin-top: 0.4rem; }
.site-footer__nav { display: flex; flex-wrap: wrap; gap: var(--sp-3); justify-content: center; }
.site-footer__nav a { text-decoration: none; font-size: var(--fs-small); color: var(--meta); }
.site-footer__nav a:hover { color: var(--ink); }
.site-footer__meta { font-size: var(--fs-small); color: var(--meta); text-align: right; }
.site-footer__meta a { color: var(--meta); text-decoration: none; border-bottom: 1px solid var(--hairline); }
.site-footer__meta span { display: block; margin-top: 0.5rem; color: var(--faint); font-size: var(--fs-meta); }
@media (max-width: 699px) { .site-footer__meta { text-align: left; } }

/* =========================================================================
   Breadcrumb
   ========================================================================= */
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5em; font-size: var(--fs-meta); letter-spacing: 0.08em; text-transform: uppercase; color: var(--meta-2); }
.breadcrumb li:not(:last-child)::after { content: '/'; margin-left: 0.5em; color: var(--faint); }
.breadcrumb a { text-decoration: none; color: var(--meta-2); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb [aria-current] { color: var(--ink); }

/* =========================================================================
   Artwork card (griglia opere)
   ========================================================================= */
.artwork-card { display: block; text-decoration: none; color: inherit; }
.artwork-card .ratio { transition: opacity var(--dur) var(--ease); }
.artwork-card:hover .ratio { opacity: 0.92; }
.artwork-card__title { font-family: var(--serif); font-size: var(--fs-h3); margin-top: var(--sp-2); line-height: 1.2; }
.artwork-card__meta { font-size: var(--fs-meta); letter-spacing: 0.06em; color: var(--meta-2); margin-top: 0.35rem; }

/* =========================================================================
   Citazione critica
   ========================================================================= */
.critic-quote { border-left: 1px solid var(--hairline); padding-left: var(--sp-3); margin-block: var(--sp-4); }
.critic-quote blockquote { font-family: var(--serif); font-size: var(--fs-lead); font-style: italic; line-height: 1.4; color: var(--ink-soft); max-width: 46ch; }
.critic-quote cite { display: block; font-family: var(--sans); font-style: normal; font-size: var(--fs-meta); letter-spacing: 0.12em; text-transform: uppercase; color: var(--meta-2); margin-top: var(--sp-2); }

/* =========================================================================
   Prosa (biografia, statement, manifesto)
   ========================================================================= */
.prose > * + * { margin-top: var(--sp-3); }
.prose p { font-size: var(--fs-body); color: var(--ink-soft); }
.prose h2 { margin-top: var(--sp-5); }
/* Nessun margine extra dopo il lead: stacchi uniformi fra i paragrafi
   (il cliente segnalava spaziature disuguali in Biografia). */

/* ritratto dell'artista (biografia): misura contenuta, mai a tutta colonna */
.portrait { margin: 0 0 var(--sp-4); max-width: 300px; }

/* intestazione pagina */
.page-head { padding-top: var(--sp-4); padding-bottom: var(--sp-4); }
.page-head .kicker { display: block; margin-bottom: var(--sp-2); }
.page-head h1 { max-width: 20ch; }
.page-head__intro { margin-top: var(--sp-3); max-width: var(--measure); color: var(--meta); font-size: var(--fs-lead); }
/* "Ulivieri racconta Ulivieri" su una riga (richiesta cliente): niente cap di
   larghezza e corpo che scala così il titolo non spezza nemmeno su mobile. */
.page-statement .page-head h1 { max-width: none; font-size: clamp(1.55rem, 0.9rem + 3.4vw, 3.1rem); }

/* =========================================================================
   HOME (rev. v3, struttura per cicli: unica variante rimasta)
   ========================================================================= */
.home-hero { padding-top: var(--sp-3); }
.home-hero__head { display: flex; flex-direction: column; gap: var(--sp-2); margin-bottom: var(--sp-4); }
.home-hero__name { font-size: var(--fs-display); line-height: 1; }
.home-hero__tagline { font-size: var(--fs-lead); color: var(--meta); max-width: 38ch; }
@media (min-width: 900px) {
  .home-hero__head { flex-direction: row; align-items: flex-end; justify-content: space-between; }
  .home-hero__tagline { text-align: right; }
}

/* ritmo verticale delle citazioni (definizione Fiori · scritto di Papi) */
.home-statement { padding-top: var(--sp-6); }
.home-quote { padding-top: var(--sp-2); padding-bottom: var(--sp-2); }

/* HOME — sezioni per ciclo (struttura richiesta dal cliente, 2026-08):
   titolo del ciclo + griglia delle sue opere, poi le due citazioni. */
.home-cycle { padding-top: var(--sp-6); }
.home-cycle__title { font-size: var(--fs-h2); margin-bottom: var(--sp-4); }
.home-cycle__title a { text-decoration: none; }
.home-cycle__title a:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 6px; }
.home-cycle__more { margin-top: var(--sp-4); }

/* =========================================================================
   OPERA — tema con versioni (wireframe v2): hero a lato + versioni raggruppate
   ========================================================================= */
.opera { padding-top: var(--sp-3); }
.opera .breadcrumb { margin-bottom: var(--sp-4); }

/* hero: immagine principale a lato della scheda dati */
.opera-hero { display: grid; gap: var(--sp-4); }
@media (min-width: 900px) {
  .opera-hero { grid-template-columns: 1fr 1fr; gap: var(--sp-6); align-items: start; }
}
.opera-hero__figure { position: relative; }
.opera-hero__open {
  position: absolute; bottom: var(--sp-2); right: var(--sp-2);
  background: rgba(255, 255, 255, 0.85); color: var(--meta);
  font-size: var(--fs-meta); letter-spacing: 0.05em; padding: 0.5rem 0.7rem;
}
.opera-title { font-size: var(--fs-h1); margin-bottom: var(--sp-1); }
.opera-subtitle { font-family: var(--serif); font-style: italic; font-size: var(--fs-h3); color: var(--meta-2); margin-bottom: var(--sp-3); }

/* scheda dati */
.opera-data { margin-top: var(--sp-3); border-top: 1px solid var(--hairline); }
.opera-data div { display: flex; justify-content: space-between; gap: var(--sp-2); padding-block: 0.8rem; border-bottom: 1px solid var(--hairline-2); }
.opera-data dt { font-size: var(--fs-meta); letter-spacing: 0.12em; text-transform: uppercase; color: var(--meta-2); }
.opera-data dd { font-size: var(--fs-small); text-align: right; }
.opera-data a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--ink); }
/* Nota d'autore in corsivo, uniforme alle citazioni dei critici (cliente 2026-08-26). */
.opera-note { margin-top: var(--sp-3); max-width: 52ch; color: var(--ink-soft); font-style: italic; }
/* Firma dell'autore sotto la nota descrittiva (Barro, Misericordia). */
.opera-note__author { margin-top: var(--sp-1); font-size: var(--fs-meta); letter-spacing: 0.12em; text-transform: uppercase; color: var(--meta-2); }

/* versioni raggruppate per natura */
.opera-versions {
  margin-top: var(--sp-6); margin-inline: calc(-1 * var(--gutter));
  padding: var(--sp-5) var(--gutter); background: #faf9f6; border-top: 1px solid var(--hairline-2);
}
.opera-versions__head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-2); margin-bottom: var(--sp-4); }
.opera-versions__head h2 { font-size: var(--fs-h3); }
.opera-versions__hint { font-size: var(--fs-meta); color: var(--meta-2); letter-spacing: 0.04em; }
.version-group { margin-bottom: var(--sp-5); }
.version-group:last-child { margin-bottom: 0; }
.version-group__label { font-family: var(--sans); font-weight: 600; font-size: var(--fs-meta); letter-spacing: 0.14em; text-transform: uppercase; color: var(--meta-2); border-bottom: 1px solid var(--hairline); padding-bottom: 0.7rem; margin-bottom: var(--sp-3); }

.versions-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-3); }
@media (min-width: 700px) {
  .versions-grid--dipinti { grid-template-columns: repeat(3, 1fr); }
  .versions-grid--studi { grid-template-columns: repeat(4, 1fr); }
}
.version-cell { display: block; }

/* Acquarelli su carta: il foglio si mostra INTERO, senza ritaglio. I bordi
   irregolari (le "barbe" della carta) sono un pregio dell'opera e il ritaglio
   a riempimento li mangiava, lasciando solo schegge scure ai lati
   (richiesta del pittore, 2026-08-13). Il fondo scuro della foto fa da
   passe-partout: e' cio' che rende leggibile il profilo della carta. */
.versions-grid--studi .ratio { background: #000; }
.versions-grid--studi .ratio img { object-fit: contain; }
.version-cell__year { display: block; font-size: var(--fs-small); color: var(--ink-soft); margin-top: 0.6rem; }
.version-cell__tech { display: block; font-size: var(--fs-meta); color: var(--meta-2); }
/* La versione principale NON si contorna più di nero (richiesta cliente
   2026-08-13: "una foto tutta contornata di nero"). L'opera principale è già
   in evidenza nell'hero in cima alla pagina, marcarla di nuovo era ridondante. */
.version-cell--empty { cursor: default; }

/* zoom hint */
.zoom-trigger { cursor: zoom-in; position: relative; }

/* prev / next */
.prevnext { display: flex; justify-content: space-between; gap: var(--sp-3); margin-top: var(--sp-6); padding-top: var(--sp-3); border-top: 1px solid var(--hairline); font-size: var(--fs-small); }
.prevnext a { text-decoration: none; color: var(--meta); display: inline-flex; flex-direction: column; gap: 0.2rem; }
.prevnext a:hover { color: var(--ink); }
.prevnext .label { font-size: var(--fs-meta); }
.prevnext .prevnext__next { text-align: right; margin-left: auto; }

/* =========================================================================
   Cicli (indice Opere)
   ========================================================================= */
.cycle-block { display: grid; gap: var(--sp-3); }
@media (min-width: 800px) { .cycle-block { grid-template-columns: 1fr 1fr; gap: var(--sp-5); align-items: center; } }
.cycle-block + .cycle-block { margin-top: var(--sp-6); }
.cycle-block__body h2 { font-size: var(--fs-h2); }
.cycle-block__body .kicker { display: block; margin-bottom: var(--sp-2); }
.cycle-block__body p { margin-block: var(--sp-2) var(--sp-3); color: var(--meta); }
.cycle-block:nth-of-type(even) .cycle-block__figure { order: 2; }

/* =========================================================================
   Mostre (elenco scansionabile)
   ========================================================================= */
.exhibit-list { margin-top: var(--sp-3); }
.exhibit-list h2 { font-size: var(--fs-h3); margin-top: var(--sp-5); margin-bottom: var(--sp-2); padding-bottom: var(--sp-2); border-bottom: 1px solid var(--hairline); }
/* mobile: anno a sinistra; titolo e sede impilati nella colonna destra */
.exhibit-row { display: grid; grid-template-columns: 3.4rem 1fr; column-gap: var(--sp-3); row-gap: 0.2rem; padding-block: 0.9rem; border-bottom: 1px solid var(--hairline-2); }
.exhibit-row__year { grid-column: 1; grid-row: 1; font-family: var(--serif); font-size: 1.15rem; color: var(--meta); }
.exhibit-row__title { grid-column: 2; grid-row: 1; font-weight: 500; min-width: 0; overflow-wrap: anywhere; }
.exhibit-row__place { grid-column: 2; grid-row: 2; color: var(--meta); font-size: var(--fs-small); min-width: 0; overflow-wrap: anywhere; }
.exhibit-row__tbc { font-family: var(--sans); font-weight: 400; font-size: var(--fs-meta); letter-spacing: 0.08em; text-transform: uppercase; color: var(--meta-2); border: 1px solid var(--hairline); border-radius: 2px; padding: 0.1em 0.5em; margin-left: 0.4em; white-space: nowrap; vertical-align: middle; }
@media (min-width: 700px) {
  .exhibit-row { grid-template-columns: 5rem 1fr auto; align-items: baseline; }
  .exhibit-row__title { grid-column: 2; grid-row: 1; }
  .exhibit-row__place { grid-column: 3; grid-row: 1; text-align: right; }
}

/* =========================================================================
   Contatti
   ========================================================================= */
.contact { text-align: center; padding-block: var(--sp-6); }
.contact h1 { max-width: none; }
.contact__intro { max-width: 42ch; margin: 0 auto var(--sp-4); }
.contact__email { font-family: var(--serif); font-size: clamp(1.6rem, 1rem + 3vw, 2.8rem); text-decoration: none; border-bottom: 1px solid var(--hairline); display: inline-block; }
.contact__email:hover { border-color: var(--ink); }

/* hub L'artista */
.hub-list { margin-top: var(--sp-4); border-top: 1px solid var(--hairline); }
.hub-list__item { display: flex; flex-direction: column; gap: 0.3rem; padding-block: var(--sp-3); border-bottom: 1px solid var(--hairline); text-decoration: none; transition: padding-left var(--dur) var(--ease); }
.hub-list__item:hover { padding-left: var(--sp-2); }
.hub-list__title { font-family: var(--serif); font-size: var(--fs-h3); }
.hub-list__desc { color: var(--meta); font-size: var(--fs-small); }
.hub-list__meta { font-size: var(--fs-meta); letter-spacing: 0.12em; text-transform: uppercase; color: var(--meta-2); }

/* =========================================================================
   Testi critici
   ========================================================================= */
/* Testata con la fonte (luogo, testata giornalistica, data). */
.critic-source { margin-top: var(--sp-2); font-size: var(--fs-meta); letter-spacing: 0.12em; text-transform: uppercase; color: var(--meta-2); }
/* Il corpo e' parola altrui: leggermente rientrato e con misura piu' stretta. */
.prose--verbatim p { max-width: var(--measure); }
.prose--verbatim em { font-style: italic; }
.critic-foot { margin-top: var(--sp-5); padding-top: var(--sp-3); border-top: 1px solid var(--hairline); font-size: var(--fs-small); color: var(--meta); }
.critic-foot__note { font-size: var(--fs-meta); color: var(--meta-2); }
.critic-foot__link { margin-top: var(--sp-2); }
/* Rimando dalla citazione breve (scheda opera) al testo integrale. */
.critic-quote__more { display: block; margin-top: var(--sp-2); font-size: var(--fs-meta); letter-spacing: 0.08em; color: var(--meta-2); }
.critic-quote__more:hover { color: var(--ink); }

/* =========================================================================
   Lightbox
   ========================================================================= */
/* lightbox: galleria a fondale scuro, con top bar, frecce, didascalia, rail */
.lightbox {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; flex-direction: column;
  background: #1c1c1c;
  opacity: 0; visibility: hidden;
  transition: opacity 0.18s ease, visibility 0.18s ease;
}
.lightbox.is-open { opacity: 1; visibility: visible; }

.lightbox__bar { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-2); padding: 22px 32px; color: #cfcdc7; }
.lightbox__title { font-family: var(--serif); font-size: 20px; color: #fff; }
.lightbox__barright { display: inline-flex; align-items: center; gap: 20px; }
.lightbox__counter { font-family: var(--sans); font-size: 11px; letter-spacing: 0.06em; color: #9a988f; }
.lightbox__count-n { color: #fff; }
.lightbox__close { background: none; border: 0; color: #cfcdc7; font-size: 26px; line-height: 1; padding: 4px 8px; cursor: pointer; }
.lightbox__close:hover { color: #fff; }

.lightbox__stage { flex: 1; min-height: 0; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 28px; }
/* Vincolata allo stage (non alla finestra): con 80vh i quadri larghi sbordavano
   sotto, finendo sopra il filetto della didascalia (segnalazione cliente 2026-08-26). */
.lightbox__stage img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; margin: auto; box-shadow: 0 12px 48px rgba(0, 0, 0, 0.45); }
.lightbox__nav { flex: none; width: 44px; height: 44px; border: 1px solid #555; border-radius: 50%; background: none; color: #cfcdc7; font-size: 30px; line-height: 1; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.lightbox__nav:hover { color: #fff; border-color: #8a8a8a; }

.lightbox__caption { border-top: 1px solid #333; padding: 22px 32px; display: flex; flex-wrap: wrap; align-items: baseline; justify-content: center; gap: 0.55em; font-size: 13px; color: #cfcdc7; }
.lightbox__cap-year { color: #fff; }
.lightbox__sep { color: #6f6d67; }

.lightbox__rail { display: flex; justify-content: center; gap: 8px; padding: 0 32px 22px; overflow-x: auto; }
.lightbox__thumb { flex: none; width: 46px; height: 46px; padding: 0; border: 0; cursor: pointer; background-color: #3a3f44; background-size: cover; background-position: center; opacity: 0.6; transition: opacity var(--dur) var(--ease); }
.lightbox__thumb:hover { opacity: 0.85; }
.lightbox__thumb.is-active { opacity: 1; outline: 2px solid #fff; outline-offset: -2px; }

@media (max-width: 700px) {
  .lightbox__bar { padding: 16px 18px; }
  .lightbox__nav { display: none; }
  .lightbox__stage { padding: 0 12px; }
  .lightbox__stage img { max-width: 92vw; }
  .lightbox__caption { padding: 16px 18px; }
  .lightbox__rail { justify-content: flex-start; padding: 0 18px 18px; }
  .lightbox__close { font-size: 32px; padding: 8px 10px; }
}

/* =========================================================================
   Utilities
   ========================================================================= */
.u-center { text-align: center; }
.section-label { text-align: center; margin-bottom: var(--sp-4); }
.stack-3 > * + * { margin-top: var(--sp-3); }
.stack-4 > * + * { margin-top: var(--sp-4); }

/* =========================================================================
   Preferenze utente
   ========================================================================= */
@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
}

/* === Ritocchi: leggibilità testi + cornice opere ===
   Contrasto ritarato per il fondo greige (i grigi erano pensati per il bianco)
   e filetto 1px attorno a ogni immagine. */
:root {
  --meta:   #5f5d57;  /* era #6b6b6b — testo secondario, nav, intro */
  --meta-2: #67645d;  /* era #8c8a81 — kicker, didascalie, metadati */
  --faint:  #66635b;  /* era #9a988f — copyright, separatori */
}

/* Filetto sottile sopra ogni immagine: trattiene anche le opere chiare sul
   fondo greige, così non si dissolvono. Reso con pseudo-elemento perché un
   box-shadow inset sul contenitore resterebbe coperto dalla foto opaca.
   Se troppo timido, alzare 0.10 a 0.14. */
.ratio { position: relative; }
.ratio::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(26, 26, 26, 0.10);
  pointer-events: none;
}