/* Maurizio Bertino — foglio di stile
   Nessuna dipendenza esterna: font di sistema, tutto in locale. */

:root {
  --carta: #faf7f2;
  --carta-2: #f3eee5;
  --carta-3: #ebe4d8;
  --inchiostro: #1c1917;
  --tenue: #6b625a;
  --bordo: #e2dacd;
  --accento: #9c4221;
  --accento-chiaro: #b8552f;
  --ombra: 0 1px 2px rgba(28, 25, 23, .06), 0 8px 24px rgba(28, 25, 23, .07);
  --ombra-alta: 0 2px 4px rgba(28, 25, 23, .08), 0 20px 50px rgba(28, 25, 23, .14);
  --serif: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max: 1180px;
  --raggio: 3px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-tema="chiaro"]) {
    --carta: #131110;
    --carta-2: #1c1917;
    --carta-3: #262220;
    --inchiostro: #f2ece2;
    --tenue: #a29a90;
    --bordo: #2e2926;
    --accento: #e2915f;
    --accento-chiaro: #eda878;
    --ombra: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
    --ombra-alta: 0 2px 4px rgba(0, 0, 0, .5), 0 20px 50px rgba(0, 0, 0, .55);
  }
}

:root[data-tema="scuro"] {
  --carta: #131110;
  --carta-2: #1c1917;
  --carta-3: #262220;
  --inchiostro: #f2ece2;
  --tenue: #a29a90;
  --bordo: #2e2926;
  --accento: #e2915f;
  --accento-chiaro: #eda878;
  --ombra: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
  --ombra-alta: 0 2px 4px rgba(0, 0, 0, .5), 0 20px 50px rgba(0, 0, 0, .55);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--carta);
  color: var(--inchiostro);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accento); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accento-chiaro); }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(2.1rem, 5.5vw, 3.4rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); letter-spacing: -.01em; }
h3 { font-size: 1.25rem; }

.contenitore { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.stretto { max-width: 720px; }

/* ---------- intestazione ---------- */
.testata {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--carta) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--bordo);
}
.testata .contenitore { display: flex; align-items: center; gap: 20px; height: 66px; }

.marchio {
  font-family: var(--serif); font-size: 1.05rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--inchiostro); text-decoration: none; white-space: nowrap;
}
.marchio span { color: var(--accento); }

.menu { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.menu a {
  color: var(--tenue); text-decoration: none; font-size: .875rem;
  padding: 8px 12px; border-radius: var(--raggio); letter-spacing: .01em;
  transition: color .18s, background .18s;
}
.menu a:hover { color: var(--inchiostro); background: var(--carta-2); }
.menu a[aria-current="page"] { color: var(--inchiostro); font-weight: 600; }

.tema-btn, .menu-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; padding: 0;
  background: none; border: 1px solid var(--bordo); border-radius: var(--raggio);
  color: var(--tenue); cursor: pointer; transition: color .18s, border-color .18s;
}
.tema-btn:hover, .menu-btn:hover { color: var(--inchiostro); border-color: var(--tenue); }
.menu-btn { display: none; margin-left: auto; }

/* con sette voci il menu orizzontale sta su una riga solo sopra i 960px:
   sotto quella soglia si passa al menu a scomparsa */
@media (max-width: 959px) {
  .menu-btn { display: inline-flex; }
  .menu {
    position: fixed; inset: 66px 0 auto; margin: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--carta); border-bottom: 1px solid var(--bordo);
    padding: 8px 24px 20px; box-shadow: var(--ombra);
    display: none;
  }
  .menu.aperto { display: flex; }
  .menu a { padding: 13px 4px; border-bottom: 1px solid var(--bordo); font-size: 1rem; }
  .menu .tema-btn { align-self: flex-start; margin-top: 14px; }
}

/* ---------- copertina ---------- */
.copertina { position: relative; min-height: min(82vh, 720px); display: flex; align-items: flex-end; overflow: hidden; }
.copertina img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center 42%;
}
.copertina::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10, 8, 7, .76) 0%, rgba(10, 8, 7, .56) 17%, rgba(10, 8, 7, .26) 33%, rgba(10, 8, 7, .06) 45%, rgba(10, 8, 7, 0) 55%);
}
.copertina .contenitore { position: relative; z-index: 1; padding-bottom: 56px; padding-top: 90px; }
.copertina h1 { color: #fff; margin-bottom: .25em; text-shadow: 0 1px 3px rgba(0, 0, 0, .55), 0 2px 30px rgba(0, 0, 0, .5); }
.copertina p {
  color: rgba(255, 255, 255, .95); font-size: 1.05rem; max-width: 46ch;
  margin: 0; text-shadow: 0 1px 3px rgba(0, 0, 0, .6), 0 1px 16px rgba(0, 0, 0, .6);
}
.sopratitolo {
  font-family: var(--sans); font-size: .72rem; letter-spacing: .22em;
  text-transform: uppercase; color: rgba(255, 255, 255, .72);
  margin: 0 0 14px; text-shadow: 0 1px 12px rgba(0, 0, 0, .6);
}

/* su schermi stretti la tela orizzontale verrebbe tagliata ai lati:
   si abbassa la copertina così se ne vede una porzione più ampia */
@media (max-width: 620px) {
  .copertina { min-height: 56vh; }
  .copertina .contenitore { padding-top: 40px; padding-bottom: 40px; }
  .sopratitolo { letter-spacing: .14em; font-size: .68rem; }
  .copertina p { font-size: 1rem; }
}

/* ---------- sezioni ---------- */
.sezione { padding: clamp(56px, 9vw, 104px) 0; }
.sezione + .sezione { border-top: 1px solid var(--bordo); }
.sezione.alt { background: var(--carta-2); }

.occhiello {
  font-size: .72rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--accento); margin: 0 0 12px; font-weight: 600;
}
.guida { color: var(--tenue); max-width: 62ch; }

.intestazione-pagina { padding: clamp(48px, 7vw, 84px) 0 clamp(24px, 4vw, 40px); }
.intestazione-pagina h1 { margin-bottom: .3em; }

/* ---------- porte (home) ---------- */
.porte { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 26px; margin-top: 40px; }
.porta {
  display: block; text-decoration: none; color: inherit;
  background: var(--carta); border: 1px solid var(--bordo); border-radius: var(--raggio);
  overflow: hidden; box-shadow: var(--ombra);
  transition: transform .25s ease, box-shadow .25s ease;
}
.porta:hover { transform: translateY(-4px); box-shadow: var(--ombra-alta); }
.porta .scatto { display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--carta-3); }
.porta .scatto img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.porta:hover .scatto img { transform: scale(1.04); }
.porta .testo { display: block; padding: 20px 22px 24px; }
.porta h3 { margin-bottom: .3em; }
.porta p { margin: 0; color: var(--tenue); font-size: .93rem; }
.porta .freccia { color: var(--accento); font-size: .85rem; margin-top: 12px; display: inline-block; font-weight: 600; }

/* ---------- filtri ---------- */
.filtri { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 36px; }
.filtro {
  font: inherit; font-size: .875rem; cursor: pointer;
  padding: 11px 18px; border-radius: 999px;
  border: 1px solid var(--bordo); background: transparent; color: var(--tenue);
  transition: all .18s;
}
.filtro:hover { color: var(--inchiostro); border-color: var(--tenue); }
.filtro[aria-pressed="true"] { background: var(--inchiostro); border-color: var(--inchiostro); color: var(--carta); }

/* ---------- galleria ---------- */
.galleria { columns: 3 300px; column-gap: 26px; }
@media (max-width: 620px) { .galleria { column-gap: 16px; } }

.opera {
  break-inside: avoid; margin: 0 0 26px; cursor: zoom-in;
  background: none; border: 0; padding: 0; width: 100%;
  font: inherit; color: inherit; text-align: left; display: block;
}
.opera .cornice {
  display: block; position: relative;
  overflow: hidden; background: var(--carta-3); border-radius: var(--raggio);
  box-shadow: var(--ombra); transition: box-shadow .3s ease, transform .3s ease;
}
.opera:hover .cornice { box-shadow: var(--ombra-alta); transform: translateY(-3px); }
.opera img { width: 100%; height: auto; }
.opera figcaption { padding: 12px 2px 0; }
.opera .titolo { display: block; font-family: var(--serif); font-size: 1.06rem; line-height: 1.35; }
.opera .dati { display: block; color: var(--tenue); font-size: .82rem; margin-top: 3px; }
.opera[hidden] { display: none; }

/* segnala le opere fotografate da più lati */
.opera .viste {
  position: absolute; right: 8px; bottom: 8px;
  font-size: .7rem; letter-spacing: .04em;
  padding: 3px 8px; border-radius: 999px;
  background: rgba(12, 10, 9, .62); color: #fff;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  pointer-events: none;
}

/* ---------- schede (nativi) ---------- */
.schede { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 28px; }
.scheda {
  background: var(--carta); border: 1px solid var(--bordo); border-radius: var(--raggio);
  overflow: hidden; box-shadow: var(--ombra); display: flex; flex-direction: column;
  transition: transform .25s, box-shadow .25s;
}
.scheda:hover { transform: translateY(-3px); box-shadow: var(--ombra-alta); }
.scheda .scatto { display: block; aspect-ratio: 1 / 1; background: var(--carta-3); cursor: zoom-in; }
.scheda .scatto img { width: 100%; height: 100%; object-fit: cover; }
.scheda .testo { padding: 18px 20px 22px; flex: 1; display: flex; flex-direction: column; }
.scheda h3 { font-size: 1.05rem; margin-bottom: .35em; }
.scheda p { margin: 0 0 12px; color: var(--tenue); font-size: .9rem; line-height: 1.6; }
.scheda .approfondisci { margin-top: auto; font-size: .85rem; font-weight: 600; text-decoration: none; }

/* ---------- articoli ---------- */
.elenco-articoli { display: grid; gap: 30px; }
.articolo-riga {
  display: grid; grid-template-columns: 220px 1fr; gap: 26px; align-items: start;
  padding-bottom: 30px; border-bottom: 1px solid var(--bordo);
}
.articolo-riga:last-child { border-bottom: 0; }
.articolo-riga .scatto { display: block; aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--raggio); background: var(--carta-3); }
.articolo-riga .scatto img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.articolo-riga:hover .scatto img { transform: scale(1.04); }
.articolo-riga h3 { margin-bottom: .3em; }
.articolo-riga h3 a { color: inherit; text-decoration: none; }
.articolo-riga h3 a:hover { color: var(--accento); }
.articolo-riga .data { color: var(--tenue); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 8px; }
.articolo-riga p { margin: 0; color: var(--tenue); font-size: .95rem; }
@media (max-width: 640px) { .articolo-riga { grid-template-columns: 1fr; gap: 14px; } }

.testo-lungo p { margin: 0 0 1.15em; }
.testo-lungo h2 { margin-top: 1.8em; }
.testo-lungo figure { margin: 2.2em 0; }
.testo-lungo figure img { border-radius: var(--raggio); box-shadow: var(--ombra); width: 100%; cursor: zoom-in; }
.testo-lungo figcaption { color: var(--tenue); font-size: .85rem; margin-top: 10px; text-align: center; }
.testo-lungo ul { color: var(--tenue); padding-left: 1.2em; }
.testo-lungo li { margin-bottom: .4em; }

/* ---------- elenchi bio ---------- */
.due-colonne { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 44px; margin-top: 36px; }
.lista-pulita { list-style: none; margin: 0; padding: 0; }
.lista-pulita li { padding: 9px 0; border-bottom: 1px solid var(--bordo); color: var(--tenue); font-size: .95rem; }
.lista-pulita li:last-child { border-bottom: 0; }

.ritratto { margin: 0; }
.ritratto img { border-radius: var(--raggio); box-shadow: var(--ombra); width: 100%; }
.ritratto figcaption { color: var(--tenue); font-size: .84rem; margin-top: 10px; }

.biografia { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: start; }
@media (max-width: 800px) { .biografia { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- contatti ---------- */
.contatti { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-top: 40px; }
.contatto {
  display: flex; align-items: center; gap: 14px; text-decoration: none; color: inherit;
  padding: 20px 22px; border: 1px solid var(--bordo); border-radius: var(--raggio);
  background: var(--carta); box-shadow: var(--ombra);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.contatto:hover { transform: translateY(-3px); box-shadow: var(--ombra-alta); border-color: var(--accento); }
.contatto svg { width: 26px; height: 26px; flex: none; color: var(--accento); }
.contatto .etichetta { font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--tenue); }
.contatto .valore { font-family: var(--serif); font-size: 1.03rem; overflow-wrap: break-word; }

/* ---------- piede ---------- */
.piede { border-top: 1px solid var(--bordo); background: var(--carta-2); padding: 48px 0 40px; margin-top: 0; }
.piede .contenitore { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; }
.piede p { margin: 0; color: var(--tenue); font-size: .86rem; }
.piede nav { display: flex; flex-wrap: wrap; gap: 18px; }
.piede nav a { color: var(--tenue); text-decoration: none; font-size: .86rem; }
.piede nav a:hover { color: var(--accento); }
/* l'area toccabile resta 44px anche se l'icona ne misura 21: i margini negativi
   la riassorbono, così il piede non cresce e le icone restano allineate a destra */
.piede .social { display: flex; align-items: center; margin: -11px; }
.piede .social a {
  color: var(--tenue); transition: color .2s;
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
}
.piede .social a:hover { color: var(--accento); }
.piede .social svg { width: 21px; height: 21px; }

/* ---------- ingranditore ---------- */
.lente {
  position: fixed; inset: 0; z-index: 100; display: none;
  background: rgba(12, 10, 9, .95);
  align-items: center; justify-content: center; padding: 24px;
}
.lente.aperta { display: flex; }
.lente figure { margin: 0; max-width: 100%; max-height: 100%; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.lente img { max-width: min(100%, 1400px); max-height: 82vh; object-fit: contain; border-radius: 2px; box-shadow: 0 30px 80px rgba(0, 0, 0, .6); }
.lente figcaption { color: rgba(255, 255, 255, .82); font-size: .92rem; text-align: center; max-width: 70ch; }
.lente figcaption strong { font-family: var(--serif); font-weight: 600; color: #fff; display: block; font-size: 1.05rem; margin-bottom: 2px; }

.lente button {
  position: absolute; background: rgba(255, 255, 255, .1); border: 0; cursor: pointer;
  color: #fff; width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; line-height: 1; transition: background .18s;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.lente button:hover { background: rgba(255, 255, 255, .22); }
.lente .chiudi { top: 20px; right: 20px; }
.lente .prec { left: 20px; top: 50%; transform: translateY(-50%); }
.lente .succ { right: 20px; top: 50%; transform: translateY(-50%); }
@media (max-width: 600px) {
  .lente .prec { left: 10px; }
  .lente .succ { right: 10px; }
  .lente button { width: 46px; height: 46px; }
}

body.bloccato { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* ---------- comparsa graduale ---------- */
.appare { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.appare.visibile { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .appare { opacity: 1; transform: none; } }