/* giuseppeirranca.it
   Layout: una sala buia. Le fotografie stanno su nero pieno; i testi in una stanza
   appena più chiara, con una colonna stretta a sinistra e una linea verticale che
   segna la discesa dalla soglia al fondo. Niente colore: l'unico accento è la luce.
*/
:root{
  color-scheme:dark;
  --bg:#000;            /* sala: dove stanno le fotografie */
  --room:#121110;       /* stanza: dove si legge */
  --room-2:#1a1917;     /* superficie dei campi */
  --fg:#d8d5cf;         /* argento, testo corrente */
  --fg-dim:#8f8c86;     /* argento spento, note e meta */
  --light:#f3eee4;      /* la luce: soglia, titoli, focus */
  --line:rgba(243,238,228,.16);
  --line-strong:rgba(243,238,228,.42);
  --font-display:"Archivo","Helvetica Neue",Arial,system-ui,sans-serif;
  --font-body:"Hanken Grotesk","Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
  --fs-0:.8125rem; --fs-1:1.0625rem; --fs-2:1.25rem;
  --fs-h3:clamp(1.45rem,1.1rem + 1.1vw,1.9rem);
  --fs-soglia:clamp(2.1rem,1.2rem + 3.5vw,4.4rem);
  --fs-hero:clamp(2.3rem,1.4rem + 4.6vw,5.6rem);
  --fs-door:clamp(2.4rem,1rem + 7vw,6.8rem);
  --gutter:max(16px,env(safe-area-inset-left,0px));
  --gutter-r:max(16px,env(safe-area-inset-right,0px));
  --col:min(64ch,100%);
  --ease:cubic-bezier(.22,.61,.36,1);
  --develop:1.6s;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font-body);font-size:var(--fs-1);line-height:1.7;font-weight:300;letter-spacing:.005em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
img,picture,video{max-width:100%;display:block}
a{color:inherit;text-underline-offset:.18em;text-decoration-thickness:1px;text-decoration-color:var(--line-strong);transition:text-decoration-color .3s}
a:hover{text-decoration-color:var(--light)}
:focus-visible{outline:1.5px solid var(--light);outline-offset:3px;border-radius:2px}
::selection{background:var(--light);color:#000}
h1,h2,h3,h4{font-weight:400;margin:0;text-wrap:balance}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
.skip{position:absolute;left:var(--gutter);top:-100px;background:var(--light);color:#000;padding:.5rem .9rem;z-index:100;font-size:var(--fs-0)}
.skip:focus{top:.75rem}

/* transizioni tra pagine */
@view-transition{navigation:auto}
::view-transition-old(root){animation:vt-out .45s var(--ease) both}
::view-transition-new(root){animation:vt-in .6s var(--ease) both}
@keyframes vt-out{to{opacity:0}}
@keyframes vt-in{from{opacity:0}}

/* ---------- intestazione ---------- */
.site-head{position:fixed;inset:0 0 auto 0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:calc(.9rem + env(safe-area-inset-top,0px)) var(--gutter-r) .9rem var(--gutter);transition:background .5s,backdrop-filter .5s,padding .4s}
.site-head.is-solid{background:rgba(0,0,0,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.wordmark{font-family:var(--font-display);font-weight:600;font-size:1rem;text-transform:uppercase;letter-spacing:.14em;color:var(--light);text-decoration:none;line-height:1;white-space:nowrap}
.wordmark small{display:block;font-family:var(--font-body);font-size:.62rem;letter-spacing:.14em;color:var(--fg-dim);margin-top:.35rem;font-weight:400}
.head-right{display:flex;align-items:center;gap:1.4rem;flex:none}
@media(max-width:640px){.head-right{gap:.9rem}.wordmark small{display:none}.wordmark{font-size:.9rem;letter-spacing:.12em}.lang{font-size:.8rem}}
.nav-inline{display:none;gap:1.4rem;font-size:.9rem;font-weight:400}
.nav-inline a{text-decoration:none;color:var(--fg);padding:.2rem 0 .2rem 1.25em;transition:color .3s}
.nav-inline a:hover,.nav-inline a[aria-current=page]{color:var(--light)}
@media(min-width:900px){.nav-inline{display:flex}}
.lang{display:flex;align-items:center;gap:.45rem;font-size:.86rem;letter-spacing:.06em;font-weight:400}
.lang a,.lang span{text-decoration:none;padding:.15rem .1rem;color:var(--fg-dim)}
.lang [aria-current]{color:var(--light);border-bottom:1px solid var(--light)}
.lang a:hover{color:var(--light)}
.lang i{font-style:normal;color:var(--line-strong)}
.menu-btn{display:flex;align-items:center;gap:.6rem;font-size:.86rem;letter-spacing:.06em;font-weight:400;color:var(--light)}
.menu-btn .bars{width:22px;height:10px;position:relative}
.menu-btn .bars::before,.menu-btn .bars::after{content:"";position:absolute;left:0;right:0;height:1px;background:var(--light);transition:transform .4s var(--ease)}
.menu-btn .bars::before{top:0}.menu-btn .bars::after{bottom:0}
.menu-btn:hover .bars::before{transform:translateY(2px)}.menu-btn:hover .bars::after{transform:translateY(-2px)}

/* menu a tutto schermo */
.menu{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.94);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);display:grid;grid-template-columns:1fr;padding:calc(5rem + env(safe-area-inset-top,0px)) var(--gutter-r) 2rem var(--gutter);opacity:0;visibility:hidden;clip-path:circle(0% at var(--ox,calc(100% - 3rem)) var(--oy,2.4rem));transition:opacity .35s var(--ease) .3s,clip-path .65s var(--ease),visibility 0s .65s}
.menu.is-open{opacity:1;visibility:visible;clip-path:circle(150% at var(--ox,calc(100% - 3rem)) var(--oy,2.4rem));transition:opacity .3s var(--ease),clip-path .8s cubic-bezier(.7,0,.2,1)}
.menu__close{position:absolute;top:calc(.95rem + env(safe-area-inset-top,0px));right:var(--gutter-r);font-size:.86rem;letter-spacing:.06em;color:var(--light);display:flex;align-items:center;gap:.6rem}
.menu__close::after{content:"";width:22px;height:1px;background:var(--light);transform:rotate(45deg);box-shadow:0 0 0 0 transparent}
.menu__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.1em;overflow:auto;align-self:center}
.menu__list a{font-family:var(--font-display);font-weight:500;font-size:clamp(1.9rem,1.1rem + 3.4vw,3.6rem);line-height:1.18;letter-spacing:-.01em;text-decoration:none;color:var(--fg-dim);transition:color .35s,transform .5s var(--ease),padding-left .5s var(--ease);display:inline-block;transform:translateY(12px);opacity:0;padding-left:1em}
.menu__list a:hover{padding-left:1.12em}
.menu.is-open .menu__list a{transform:none;opacity:1}
.menu__list li:nth-child(n) a{transition-delay:calc(var(--i,0)*45ms)}
.menu__list a:hover,.menu__list a[aria-current=page]{color:var(--light)}
.menu__side{display:none}
@media(min-width:900px){
  .menu{grid-template-columns:1fr minmax(260px,32vw);gap:4vw;align-items:center}
  .menu__side{display:block;position:relative;aspect-ratio:2/3;max-height:74vh;align-self:center;justify-self:end;width:auto;height:74vh}
  .menu__side img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .6s var(--ease);filter:grayscale(1)}
  .menu__side img.is-on{opacity:1}
}
.menu__foot{display:flex;flex-wrap:wrap;gap:1rem 2rem;font-size:var(--fs-0);color:var(--fg-dim);margin-top:2rem;grid-column:1/-1}
.menu__foot a{text-decoration:none}

/* ---------- blocchi comuni ---------- */
.wrap{padding-left:var(--gutter);padding-right:var(--gutter-r)}
.room{background:var(--room)}
.label{font-size:var(--fs-0);letter-spacing:.08em;color:var(--fg-dim);font-weight:400}
.soglia{font-family:var(--font-display);font-weight:500;font-size:var(--fs-soglia);line-height:1.04;color:var(--light);letter-spacing:-.025em;max-width:20ch}
.prose{max-width:var(--col)}
.prose p+p,.prose p+h3,.prose h3+p,.prose figure+p,.prose p+figure,.prose p+.minigrid,.prose .minigrid+h3,.prose figure+h3{margin-top:1.25em}
.prose h3{font-family:var(--font-display);font-weight:500;font-size:var(--fs-h3);line-height:1.15;color:var(--light);margin-top:2.2em;letter-spacing:-.015em}
.prose h3:first-child{margin-top:0}
.prose a{color:var(--light)}
.note{font-size:var(--fs-0);color:var(--fg-dim);border-left:1px solid var(--line-strong);padding-left:1rem;margin-top:2rem}

/* la pagina a tre profondità */
.depth{padding-block:clamp(5rem,12vh,9rem) clamp(4rem,10vh,8rem);position:relative}
.depth__grid{display:grid;grid-template-columns:1fr;gap:3rem}
@media(min-width:980px){
  .depth__grid{grid-template-columns:minmax(0,7fr) minmax(0,4.2fr);gap:clamp(3rem,6vw,7rem);align-items:start}
  .depth__grid.is-reverse{grid-template-columns:minmax(0,4.2fr) minmax(0,7fr)}
  .depth__grid.is-reverse .depth__text{order:2}
}
.depth__text{min-width:0}
.depth__h1{font-family:var(--font-display);font-size:.9rem;letter-spacing:.1em;text-transform:uppercase;color:var(--fg);font-weight:500;max-width:46ch;line-height:1.5}
.depth__text .soglia{margin-top:1.4rem}
.depth__text .corpo{margin-top:2rem;font-size:var(--fs-2);line-height:1.6;max-width:var(--col);color:var(--fg)}
.depth__text .corpo p+p{margin-top:1em}
.depth__img{position:relative;min-width:0;margin:0}
.depth__img img{width:100%;height:auto;aspect-ratio:2/3;object-fit:cover}
.depth__img.is-square img{aspect-ratio:1}
.depth__img figcaption{font-size:var(--fs-0);color:var(--fg-dim);margin-top:.8rem}
@media(min-width:980px){.depth__img{position:sticky;top:6rem}}

/* Scendi: details nativo, testo nel codice */
.scendi{margin-top:2.6rem;max-width:var(--col);border-top:1px solid var(--line)}
.scendi summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:1rem;padding:1.1rem 0;font-size:var(--fs-0);letter-spacing:.08em;color:var(--light);font-weight:400}
.scendi summary::-webkit-details-marker{display:none}
.scendi summary .arrow{flex:none;width:2.4rem;height:2.4rem;border-radius:50%;border:1px solid var(--line-strong);display:grid;place-items:center;overflow:hidden;transition:border-color .4s,background .4s}
.scendi summary .arrow svg{width:1rem;height:1rem;fill:none;stroke:var(--light);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;animation:bob 1.9s var(--ease) infinite;transition:transform .5s var(--ease)}
.scendi summary:hover .arrow{border-color:var(--light);background:rgba(243,238,228,.06)}
.scendi summary .lbl__close{display:none}
.scendi[open] summary .lbl__open{display:none}.scendi[open] summary .lbl__close{display:inline}
.scendi[open] summary .arrow svg{animation:none;transform:rotate(180deg)}
.scendi summary .t{color:var(--fg-dim);letter-spacing:.04em}
@keyframes bob{0%,100%{transform:translateY(-2px);opacity:.75}50%{transform:translateY(3px);opacity:1}}
.scendi__body{position:relative;padding:1rem 0 2rem 1.75rem}
.scendi__body::before{content:"";position:absolute;left:0;top:0;bottom:0;width:1px;background:linear-gradient(var(--light),var(--line) 60%,transparent);transform-origin:top;animation:draw 1.8s var(--ease) both}
.scendi[open] .scendi__body>*{animation:lightup 1.6s var(--ease) both}
.scendi[open] .scendi__body>*:nth-child(2){animation-delay:.12s}
.scendi[open] .scendi__body>*:nth-child(3){animation-delay:.24s}
.scendi[open] .scendi__body>*:nth-child(n+4){animation-delay:.36s}
@keyframes lightup{from{opacity:0;filter:blur(6px) brightness(.4)}to{opacity:1;filter:none}}
@keyframes draw{from{transform:scaleY(0)}to{transform:scaleY(1)}}

/* ---------- home ---------- */
.hero{position:relative;background:#000;display:grid}
.hero__media{position:relative;height:70svh;min-height:420px;overflow:hidden}
.hero__media picture,.hero__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:28% 22%}
.hero__media img{animation:develop 2.6s var(--ease) both;will-change:opacity,filter}
@keyframes develop{0%{opacity:0;filter:brightness(.15) contrast(1.8) blur(10px)}60%{opacity:1}100%{opacity:1;filter:none}}
.hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,#000 0%,rgba(0,0,0,.2) 28%,rgba(0,0,0,0) 55%)}
.hero__text{position:relative;z-index:1;padding:1.6rem var(--gutter-r) clamp(2.2rem,6vh,4.5rem) var(--gutter);display:grid;gap:1.2rem}
.hero__text .depth__h1{color:var(--fg);opacity:0;animation:rise 1.2s var(--ease) 1.4s both}
.hero__text .soglia{font-size:var(--fs-hero);max-width:14ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:1.4rem 2.2rem;align-items:center;opacity:0;animation:rise 1.2s var(--ease) 1.9s both}
.scroll-hint{position:absolute;left:var(--gutter);bottom:calc(1.6rem + env(safe-area-inset-bottom,0px));z-index:2;display:flex;align-items:center;gap:.8rem;text-decoration:none;color:var(--light);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;opacity:0;animation:fadein 1s var(--ease) 2.4s both;transition:opacity .5s,translate .5s var(--ease)}
.scroll-hint .arrow{width:2.4rem;height:2.4rem;border-radius:50%;border:1px solid var(--line-strong);display:grid;place-items:center;background:rgba(0,0,0,.25);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}
.scroll-hint .arrow svg{width:1rem;height:1rem;fill:none;stroke:var(--light);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;animation:bob 1.9s var(--ease) infinite}
.is-scrolled .scroll-hint{opacity:0!important;translate:0 8px;pointer-events:none}
@keyframes fadein{to{opacity:1}}
@media(max-width:899px){.scroll-hint{bottom:auto;top:calc(max(70svh,420px) - 3.6rem);left:auto;right:var(--gutter-r);flex-direction:row-reverse}}
@media(min-width:900px){.scroll-hint{bottom:clamp(2.2rem,6vh,4.5rem)}}
.hero__cue{display:none}
@media(min-width:900px){
  .hero{min-height:92svh;align-items:end}
  .hero__media{position:absolute;inset:0;height:auto;min-height:0}
  .hero__media img{object-position:22% 30%}
  .hero__media::after{background:linear-gradient(to top,rgba(0,0,0,.9) 0%,rgba(0,0,0,.35) 30%,rgba(0,0,0,0) 60%),linear-gradient(to left,rgba(0,0,0,.55),transparent 55%)}
  .hero__text{justify-self:end;width:min(52vw,760px);padding-bottom:clamp(2.2rem,8vh,5rem)}
}
@keyframes cue{to{top:100%}}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes cue{to{top:100%}}

.btn{display:inline-flex;align-items:center;gap:.7rem;font-size:.92rem;letter-spacing:.04em;font-weight:400;color:var(--light);text-decoration:none;padding:.85rem 1.4rem;border:1px solid var(--line-strong);transition:background .35s,color .35s,border-color .35s}
.btn:hover{background:var(--light);color:#000;border-color:var(--light)}
.btn--ghost{border:0;padding:.85rem 0;border-bottom:1px solid var(--line-strong)}
.btn--ghost:hover{background:none;color:var(--light);border-color:var(--light)}
.btn--solid{background:var(--light);color:#000;border-color:var(--light)}
.btn--solid:hover{background:transparent;color:var(--light)}

/* striscia orizzontale di ritratti */
.strip{padding-block:clamp(3rem,8vh,6rem) 0;background:var(--bg)}
.strip__head{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:1.6rem}
.strip__track{display:flex;gap:6px;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 var(--gutter-r) 1.2rem var(--gutter);scrollbar-width:none;cursor:grab}
.strip__track::-webkit-scrollbar{display:none}
.strip__track.is-dragging{cursor:grabbing;scroll-snap-type:none}
.strip__track a{flex:0 0 auto;width:min(62vw,44vh);aspect-ratio:2/3;scroll-snap-align:start;position:relative;overflow:hidden;background:#0a0a0a}
.strip__track a:last-child{margin-right:var(--gutter-r)}
.strip__track img{width:100%;height:100%;object-fit:cover}
.strip__track a:hover img{transform:scale(1.025)}
.strip__track img{transition:transform 1.4s var(--ease)}

/* immagini che si sviluppano allo scorrimento */
.develop{opacity:0;filter:brightness(.25) contrast(1.6) blur(6px);transition:opacity var(--develop) var(--ease),filter var(--develop) var(--ease);transition-delay:var(--d,0ms)}
.develop.is-in{opacity:1;filter:none}

/* grandi porte tipografiche */
.doors{padding-block:clamp(4rem,10vh,8rem)}
.doors ul{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.doors li{border-bottom:1px solid var(--line)}
.doors a{display:flex;align-items:baseline;justify-content:space-between;gap:2rem;padding:clamp(1rem,2.4vw,1.8rem) 0;text-decoration:none;font-family:var(--font-display);font-weight:600;letter-spacing:-.03em;font-size:var(--fs-door);line-height:1.05;color:var(--fg-dim);transition:color .45s,padding-left .6s var(--ease)}
.doors a span:not(.door-t){font-family:var(--font-body);font-size:var(--fs-0);letter-spacing:.08em;color:var(--fg-dim);flex:none}
.doors a:hover{color:var(--light);padding-left:.4em}
.doors__peek{position:fixed;pointer-events:none;width:min(22vw,280px);aspect-ratio:2/3;z-index:30;opacity:0;transform:translate(-50%,-50%) scale(.92);transition:opacity .4s,transform .6s var(--ease);display:none}
.doors__peek img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .4s}
.doors__peek img.is-on{opacity:1}
.doors__peek.is-on{opacity:1;transform:translate(-50%,-50%) scale(1)}
@media(min-width:900px) and (pointer:fine){.doors__peek{display:block}}

/* ---------- galleria ---------- */
.gallery{padding-block:0 clamp(4rem,10vh,8rem);background:var(--bg)}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:4px;padding:0 var(--gutter-r) 0 var(--gutter)}
@media(min-width:720px){.grid{grid-template-columns:repeat(3,1fr);gap:6px}}
@media(min-width:1500px){.grid{grid-template-columns:repeat(4,1fr)}}
.grid button{display:block;width:100%;aspect-ratio:1;overflow:hidden;position:relative;background:#0a0a0a;cursor:none}
@media(pointer:coarse){.grid button{cursor:pointer}}
.grid img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--ease)}
.grid button:hover img{transform:scale(1.03)}
.grid figure{margin:0;position:relative}
.grid figcaption{font-family:var(--font-display);font-weight:400;font-size:var(--fs-0);letter-spacing:.02em;color:var(--fg-dim);padding:.6rem .2rem 1rem;line-height:1.4}
@media(min-width:720px){.grid figcaption{font-size:.92rem}}
.gallery__after{padding-top:3rem;display:flex;flex-wrap:wrap;gap:1.2rem 2rem;align-items:center;justify-content:space-between}
.cursor{position:fixed;left:0;top:0;z-index:60;pointer-events:none;width:84px;height:84px;margin:-42px 0 0 -42px;border-radius:50%;border:1px solid var(--light);display:grid;place-items:center;font-size:.72rem;letter-spacing:.14em;color:var(--light);background:rgba(0,0,0,.25);backdrop-filter:blur(2px);opacity:0;transform:scale(.6);transition:opacity .3s,transform .4s var(--ease)}
.cursor.is-on{opacity:1;transform:none}
@media(pointer:coarse){.cursor{display:none}}

/* lightbox */
.lightbox{border:0;padding:0;margin:0;max-width:100vw;max-height:100vh;width:100vw;height:100vh;background:transparent;color:var(--fg)}
.lightbox::backdrop{background:rgba(0,0,0,.96)}
.lightbox[open]{display:grid;grid-template-rows:1fr auto;align-items:center}
.lightbox__stage{position:relative;display:grid;place-items:center;height:100%;padding:calc(3.5rem + env(safe-area-inset-top,0px)) var(--gutter-r) 1rem var(--gutter)}
.lightbox img{max-height:100%;max-width:100%;width:auto;height:auto;object-fit:contain;animation:lb .5s var(--ease)}
@keyframes lb{from{opacity:0;filter:brightness(.4)}to{opacity:1;filter:none}}
.lightbox__bar{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:0 var(--gutter-r) calc(1.2rem + env(safe-area-inset-bottom,0px)) var(--gutter);font-size:var(--fs-0);color:var(--fg-dim);min-height:3.4rem}
.lightbox__cap{font-family:var(--font-display);font-weight:400;font-size:.95rem;color:var(--fg);max-width:60ch}
.lightbox__nav{display:flex;gap:1.5rem}
.lightbox__nav button,.lightbox__x{color:var(--light);letter-spacing:.08em;font-size:var(--fs-0);padding:.5rem 0;border-bottom:1px solid transparent}
.lightbox__nav button:hover,.lightbox__x:hover{border-color:var(--light)}
.lightbox__x{position:absolute;top:calc(1rem + env(safe-area-inset-top,0px));right:var(--gutter-r);z-index:2}
.lightbox__hit{position:absolute;top:0;bottom:0;width:38%;cursor:w-resize}
.lightbox__hit.next{right:0;cursor:e-resize}.lightbox__hit.prev{left:0}

/* galleria larga, fotoquadri e mostra */
.wide{display:grid;gap:6px;padding:0 var(--gutter-r) 0 var(--gutter)}
.wide img{width:100%;height:auto;aspect-ratio:12/7;object-fit:cover}
@media(min-width:900px){.wide{grid-template-columns:2fr 1fr 1fr}.wide>*:first-child{grid-column:1/-1}}
.minigrid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}
.minigrid img{width:100%;height:100%;aspect-ratio:2/3;object-fit:cover}
.minigrid button{display:block;overflow:hidden;cursor:pointer}
figure.fig{margin:0}
figure.fig img{width:100%;height:auto}
figure.fig figcaption{font-family:var(--font-display);font-weight:400;color:var(--fg-dim);font-size:.95rem;margin-top:.8rem;line-height:1.45}
figure.fig figcaption a{font-family:var(--font-body);font-style:normal;font-size:var(--fs-0);letter-spacing:.04em;margin-left:.6rem;color:var(--fg)}

/* ---------- moduli ---------- */
.form-sec{padding-block:clamp(3rem,8vh,6rem);border-top:1px solid var(--line)}
.form-sec h2{font-family:var(--font-display);font-weight:500;font-size:var(--fs-h3);color:var(--light);line-height:1.2}
.form{display:grid;gap:1.6rem;max-width:var(--col);margin-top:2rem}
.form .row{display:grid;gap:1.6rem}
@media(min-width:640px){.form .row{grid-template-columns:1fr 1fr}}
.field{display:grid;gap:.45rem;min-width:0}
.field label{font-size:var(--fs-0);letter-spacing:.06em;color:var(--fg-dim)}
.field label b{font-weight:400;color:var(--fg-dim)}
.field input,.field select,.field textarea{width:100%;background:transparent;border:0;border-bottom:1px solid var(--line-strong);color:var(--light);font:inherit;font-size:var(--fs-1);padding:.6rem 0;border-radius:0;outline:0;transition:border-color .3s}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--fg-dim) 50%),linear-gradient(135deg,var(--fg-dim) 50%,transparent 50%);background-position:calc(100% - 12px) 55%,calc(100% - 6px) 55%;background-size:6px 6px;background-repeat:no-repeat;padding-right:2rem}
.field select option{background:#000;color:var(--fg)}
.field textarea{min-height:7.5rem;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--light)}
.field input::placeholder,.field textarea::placeholder{color:rgba(216,213,207,.35)}
.consent{display:grid;grid-template-columns:auto 1fr;gap:.8rem;align-items:start;font-size:var(--fs-0);color:var(--fg-dim);line-height:1.55}
.consent input{appearance:none;-webkit-appearance:none;width:18px;height:18px;border:1px solid var(--line-strong);margin:.15rem 0 0;display:grid;place-items:center;cursor:pointer}
.consent input:checked{background:var(--light);border-color:var(--light)}
.consent input:checked::after{content:"";width:5px;height:9px;border:solid #000;border-width:0 1.5px 1.5px 0;transform:translateY(-1px) rotate(45deg)}
.consent a{color:var(--fg)}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.form__foot{display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:center}
.form__msg{font-size:var(--fs-1);color:var(--light);font-family:var(--font-display);font-weight:500;max-width:var(--col);line-height:1.45}
.form__msg.is-err{color:var(--fg)}
.after-form{margin-top:2.5rem;max-width:var(--col);color:var(--fg-dim)}
.after-form p+p{margin-top:1em}
.after-form a{color:var(--fg)}
.doors--small a{font-size:clamp(1.6rem,1rem + 2.6vw,3rem)}

/* ---------- piè di pagina ---------- */
.site-foot{background:var(--bg);border-top:1px solid var(--line);padding-block:3rem calc(2.5rem + env(safe-area-inset-bottom,0px));font-size:var(--fs-0);color:var(--fg-dim);line-height:1.7}
.site-foot .cols{display:grid;gap:2rem}
@media(min-width:760px){.site-foot .cols{grid-template-columns:1.3fr 1fr 1fr}}
.site-foot a{text-decoration:none;color:var(--fg)}
.site-foot a:hover{color:var(--light)}
.site-foot .wordmark{margin-bottom:1rem}
.site-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:.3rem}
.site-foot .legal{margin-top:2.5rem;padding-top:1.2rem;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:.4rem 1.6rem}

/* ---------- 404 e legali ---------- */
.legal-page .prose h3{font-size:var(--fs-2);margin-top:2em}

/* movimento ridotto */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0s!important;transition-duration:.01ms!important}
  .develop{opacity:1;filter:none}
  .hero__text .depth__h1,.hero__text .soglia,.hero__cta{opacity:1}
}

/* ---------- movimento: flash al passaggio, testi che si rivelano ---------- */
.flash{position:relative;overflow:hidden;display:block}
.flash::after{content:"";position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none}
.flash:hover::after,.flash:focus-visible::after{animation:flash .6s ease-out}
@keyframes flash{0%{opacity:0}10%{opacity:.92}35%{opacity:.18}100%{opacity:0}}
.flash img{transition:transform 1.3s var(--ease),filter .7s var(--ease)}
.flash:hover img{transform:scale(1.06);filter:contrast(1.1) brightness(1.08)}
.grid button.flash img,.strip__track a.flash img{will-change:transform}
.js .rv{opacity:0;transform:translateY(24px);transition:opacity 1s var(--ease),transform 1.15s var(--ease);transition-delay:var(--d,0ms)}
.js .rv.is-in{opacity:1;transform:none}
.js .soglia .w{display:inline-block;opacity:0;transform:translateY(.45em) rotate(.6deg);filter:blur(8px);transition:opacity .9s var(--ease),transform 1.05s var(--ease),filter .9s var(--ease);transition-delay:calc(var(--i)*60ms + var(--d,0ms))}
.js .soglia.is-in .w{opacity:1;transform:none;filter:none}
.js .depth__h1.rv{transform:translateX(-16px)}
.js .depth__h1.rv.is-in{transform:none}
.line-draw{position:relative}
.js .line-draw::before{content:"";position:absolute;left:0;top:0;width:100%;height:1px;background:var(--line-strong);transform:scaleX(0);transform-origin:left;transition:transform 1.4s var(--ease)}
.js .line-draw.is-in::before{transform:scaleX(1)}
@supports(animation-timeline:view()){
  .depth__img img{animation:parallax linear both;animation-timeline:view();animation-range:entry 0% exit 100%}
  @keyframes parallax{from{transform:translateY(4%) scale(1.08)}to{transform:translateY(-4%) scale(1.08)}}
  .depth__img{overflow:hidden}
  .hero__media img{animation:develop 2.6s var(--ease) both,heroshift linear both;animation-timeline:auto,scroll(root);animation-range:normal,0 100vh}
  @keyframes heroshift{to{transform:translateY(12%)}}
}
.progress{position:fixed;left:0;top:0;height:2px;width:100%;z-index:45;background:var(--light);transform-origin:left;transform:scaleX(0);pointer-events:none;opacity:.7}
@supports(animation-timeline:scroll()){.progress{animation:prog linear both;animation-timeline:scroll(root)}}
@keyframes prog{to{transform:scaleX(1)}}
@media(prefers-reduced-motion:reduce){.js .rv,.js .soglia .w{opacity:1;transform:none;filter:none}.flash:hover::after{animation:none}.progress{display:none}}

/* ---------- segni tecnici: grana, mirino, suono ---------- */
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:38;opacity:.06;mix-blend-mode:screen;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.flash::before{content:"";position:absolute;inset:14px;z-index:2;pointer-events:none;opacity:0;transition:opacity .35s,inset .5s var(--ease);
  background:
    linear-gradient(var(--light),var(--light)) 0 0/18px 1px no-repeat,linear-gradient(var(--light),var(--light)) 0 0/1px 18px no-repeat,
    linear-gradient(var(--light),var(--light)) 100% 0/18px 1px no-repeat,linear-gradient(var(--light),var(--light)) 100% 0/1px 18px no-repeat,
    linear-gradient(var(--light),var(--light)) 0 100%/18px 1px no-repeat,linear-gradient(var(--light),var(--light)) 0 100%/1px 18px no-repeat,
    linear-gradient(var(--light),var(--light)) 100% 100%/18px 1px no-repeat,linear-gradient(var(--light),var(--light)) 100% 100%/1px 18px no-repeat}
.flash:hover::before{opacity:.9;inset:10px}
.sound-btn>span:first-child{display:none}
@media(min-width:900px){.sound-btn>span:first-child{display:inline}}
.sound-btn{display:flex;align-items:center;gap:.5rem;font-size:.78rem;letter-spacing:.08em;color:var(--fg-dim);text-transform:uppercase}
.sound-btn .bars-s{display:flex;gap:2px;align-items:flex-end;height:12px}
.sound-btn .bars-s i{width:2px;background:var(--light);height:100%;transform-origin:bottom;animation:eq 1s ease-in-out infinite}
.sound-btn .bars-s i:nth-child(2){animation-delay:.2s}.sound-btn .bars-s i:nth-child(3){animation-delay:.4s}
.sound-btn.is-off .bars-s i{animation:none;transform:scaleY(.25);background:var(--fg-dim)}
@keyframes eq{0%,100%{transform:scaleY(.3)}50%{transform:scaleY(1)}}
.door-t{display:inline-block;font-variant-numeric:tabular-nums}
@media(prefers-reduced-motion:reduce){.sound-btn .bars-s i{animation:none}body::after{display:none}}

/* ---------- manifesto in home ---------- */
.manifesto{padding-block:clamp(4rem,10vh,8rem) 0;display:grid;gap:2.5rem;align-items:center}
.manifesto__img{margin:0}
.manifesto__img img{width:100%;height:auto;aspect-ratio:2/3;object-fit:cover}
.manifesto__text .soglia{font-size:clamp(2.4rem,1.4rem + 5vw,6rem);max-width:12ch}
.manifesto__text .label{margin-top:1.4rem;max-width:40ch;line-height:1.6}
@media(min-width:900px){.manifesto{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(3rem,7vw,8rem)}.manifesto__img{max-width:420px}}
/* ---------- testi interni: la luce passa sulle righe ---------- */
.js .wsplit .w{display:inline-block;opacity:0;transform:translateY(.5em);filter:blur(5px);transition:opacity .7s var(--ease),transform .8s var(--ease),filter .7s var(--ease);transition-delay:calc(var(--i)*22ms)}
.js .wsplit.is-in .w{opacity:1;transform:none;filter:none}
.sweep{transition:color .4s}
@media(pointer:fine){
  .sweep:hover{background:linear-gradient(100deg,var(--fg) 35%,#fff 50%,var(--fg) 65%);background-size:260% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:sweep 1.1s var(--ease) 1}
  .prose h3.sweep:hover,.corpo p.sweep:hover{color:transparent}
}
@keyframes sweep{from{background-position:120% 0}to{background-position:-40% 0}}
@media(prefers-reduced-motion:reduce){.js .wsplit .w{opacity:1;transform:none;filter:none}.sweep:hover{animation:none;color:inherit;background:none}}

/* ---------- Scritti: indice ---------- */
.idx{padding-block:0 clamp(4rem,10vh,8rem);background:var(--room)}
.idx--after{background:var(--bg);padding-top:clamp(3rem,8vh,6rem);border-top:1px solid var(--line)}
.idx__head{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:1.6rem}
.idx__head a{text-decoration:none;color:var(--fg-dim)}.idx__head a:hover{color:var(--light)}
.idx__list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.idx__list li{border-bottom:1px solid var(--line)}
.idx__item{display:grid;grid-template-columns:auto 1fr minmax(84px,22vw);gap:1rem 1.4rem;align-items:center;padding:1.4rem 0;text-decoration:none;color:var(--fg);transition:padding-left .6s var(--ease),color .4s}
.idx__item:hover{color:var(--light);padding-left:.4em}
.idx__n{font-family:var(--font-display);font-weight:400;font-size:var(--fs-0);letter-spacing:.1em;color:var(--fg-dim);font-variant-numeric:tabular-nums;align-self:start;padding-top:.5em}
.idx__body{display:grid;gap:.55rem;min-width:0}
.idx__t{font-family:var(--font-display);font-weight:500;font-size:clamp(1.3rem,1rem + 1.6vw,2.3rem);line-height:1.1;letter-spacing:-.01em;text-wrap:balance}
.idx__lead{color:var(--fg-dim);font-size:var(--fs-1);line-height:1.5;max-width:58ch;display:none}
.idx__meta{display:block}
.idx__img{display:block;overflow:hidden;aspect-ratio:2/3;max-width:160px;justify-self:end;width:100%}
.idx__img img{width:100%;height:100%;object-fit:cover}
.idx__item.flash::before{display:none}
.idx__item.flash::after{inset:auto 0 0 auto;width:min(22vw,160px);aspect-ratio:2/3;top:50%;transform:translateY(-50%)}
@media(min-width:720px){
  .idx__item{grid-template-columns:3rem 1fr 160px;gap:2.2rem;padding:2rem 0}
  .idx__lead{display:block}
}
.idx--after .idx__lead{display:none}
.idx--after .idx__t{font-size:clamp(1.15rem,1rem + .9vw,1.6rem)}
.idx--after .idx__item{padding:1.2rem 0;grid-template-columns:1fr minmax(84px,22vw)}
@media(min-width:720px){.idx--after .idx__item{grid-template-columns:1fr 160px}}
.idx__all a{text-decoration:none;color:var(--fg-dim)}.idx__all a:hover{color:var(--light)}

/* ---------- Scritti: lettura ---------- */
.depth--scritto .depth__h1 a{text-decoration:none;color:var(--fg-dim)}.depth--scritto .depth__h1 a:hover{color:var(--light)}
.depth--scritto .depth__h1 span{color:var(--line-strong);margin:0 .2em}
.lettura__title{font-size:clamp(1.9rem,1.1rem + 2.9vw,3.6rem);max-width:22ch;letter-spacing:-.015em}
.lettura__lead{color:var(--light)}
.lettura{padding-block:0 clamp(4rem,10vh,8rem)}
.lettura__col{max-width:66ch;font-size:var(--fs-2);line-height:1.65}
.lettura__col>p+p{margin-top:1.3em}
.lettura__col>*+h2,.lettura__col>*+h3{margin-top:2.6em}
.lettura__col>h2+p,.lettura__col>h3+p{margin-top:1em}
.lettura__h2{font-family:var(--font-display);font-weight:600;font-size:clamp(1.5rem,1.1rem + 1.4vw,2.2rem);line-height:1.15;letter-spacing:-.01em;color:var(--light);padding-top:1.2rem;border-top:1px solid var(--line-strong);text-wrap:balance}
.lettura__h3{font-family:var(--font-display);font-weight:500;font-size:var(--fs-h3);line-height:1.2;color:var(--light)}
.lettura__col>p:first-child::first-letter{font-family:var(--font-display);font-weight:600;font-size:3.6em;float:left;line-height:.78;padding:.08em .14em 0 0;color:var(--light)}
.pull{margin:2.4em 0;padding:1.6rem 0 1.6rem 1.75rem;border-left:1px solid var(--light);position:relative}
.pull .soglia{font-size:clamp(1.5rem,1.1rem + 1.8vw,2.6rem);line-height:1.15;max-width:26ch;font-weight:500}
.lettura__col>*+.pull{margin-top:2.4em}
.lettura__col>.pull+p{margin-top:0}
.faq{margin:0;border-top:1px solid var(--line)}
.faq__i{padding:1.4rem 0;border-bottom:1px solid var(--line)}
.faq dt{font-family:var(--font-display);font-weight:500;font-size:var(--fs-2);color:var(--light);line-height:1.3}
.faq dd{margin:.7rem 0 0;font-size:var(--fs-1);line-height:1.6;color:var(--fg)}
.lettura__col>*+.faq{margin-top:1em}
.doors--rel{padding-block:clamp(3rem,7vh,5rem) clamp(4rem,10vh,8rem);background:var(--room)}
.doors--rel h2{margin-bottom:1.2rem}
.doors--rel a{font-size:clamp(1.25rem,1rem + 1.6vw,2.2rem);line-height:1.15}
.doors--rel p.label{margin-top:1.4rem}
.doors--rel p.label a{font-family:var(--font-body);font-size:var(--fs-0);letter-spacing:.08em;display:inline;padding:0;color:var(--fg-dim)}
.doors--rel p.label a:hover{color:var(--light);padding-left:0}
.js .lettura__col>*{opacity:0;transform:translateY(22px);transition:opacity 1s var(--ease),transform 1.1s var(--ease)}
.js .lettura__col>.is-in{opacity:1;transform:none}
.js .lettura__col>.pull{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .lettura__col>*{opacity:1;transform:none}}

.lettura__fig{margin:2.6em 0;max-width:34rem}
.lettura__fig img{width:100%;height:auto;background:#fff}
.lettura__fig figcaption{font-family:var(--font-body);font-size:var(--fs-0);color:var(--fg-dim);margin-top:.8rem;letter-spacing:.02em}

.manifesto__link{margin-top:1.6rem}
.idx__img.is-square{aspect-ratio:1;align-self:center}
.idx__item:has(.idx__img.is-square).flash::after{aspect-ratio:1}

/* ---------- diaframma: ghiera metallica e undici lamelle che si aprono ---------- */
.menu__list a,.nav-inline a{position:relative}
.iris{position:absolute;left:0;top:50%;width:var(--ir,.72em);height:var(--ir,.72em);translate:0 -50%;rotate:0deg;overflow:visible;transition:rotate .9s var(--ease),filter .4s;filter:brightness(.85)}
.iris .bl{transform-box:view-box;rotate:0deg;transition:rotate .7s cubic-bezier(.3,.7,.2,1)}
.nav-inline a .iris{--ir:.9em;left:.05em}
.menu__list a:hover .iris,.menu__list a:focus-visible .iris,.nav-inline a:hover .iris,.nav-inline a:focus-visible .iris{rotate:-18deg;filter:brightness(1.15)}
.menu__list a:hover .iris .bl,.menu__list a:focus-visible .iris .bl,.nav-inline a:hover .iris .bl,.nav-inline a:focus-visible .iris .bl{rotate:52deg}
.menu__list a[aria-current=page] .iris,.nav-inline a[aria-current=page] .iris{filter:brightness(1.1)}
.menu__list a[aria-current=page] .iris .bl,.nav-inline a[aria-current=page] .iris .bl{rotate:40deg}
.menu__list a[aria-current=page]:hover .iris .bl{rotate:56deg}
.menu__list a[aria-current=page]{color:var(--light)}
.menu__list a[aria-current=page]::after{content:attr(data-here);display:inline-block;margin-left:.7em;vertical-align:middle;font-family:var(--font-body);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-dim);font-weight:400;white-space:nowrap}

/* il diaframma sui titoli: chiuso quando arrivano, si apre mentre leggi */
.has-iris .iris--t{position:static;translate:none;display:inline-block;vertical-align:-.42em;width:1.8em;height:1.8em;margin-right:.6em;filter:brightness(1)}
.form-sec h2.has-iris .iris--t{width:1.1em;height:1.1em;vertical-align:-.18em;margin-right:.45em}
.has-iris.is-in .iris--t .bl{rotate:40deg;transition-duration:1.1s;transition-delay:.35s}
.has-iris:hover .iris--t .bl{rotate:54deg;transition-duration:.6s;transition-delay:0s}
.has-iris:hover .iris--t{rotate:-18deg}
.soglia.lettura__title{margin-top:.6em}

/* iride d'apertura: la home si rivela attraverso il diaframma, una volta per sessione */
html{background:#050505}
html.is-irising body{animation:irisin 1.8s cubic-bezier(.55,0,.25,1) .1s both}
@keyframes irisin{0%{clip-path:polygon(calc(50% + 0.00vmax) calc(50vh + -0.60vmax),calc(50% + 0.32vmax) calc(50vh + -0.50vmax),calc(50% + 0.55vmax) calc(50vh + -0.25vmax),calc(50% + 0.59vmax) calc(50vh + 0.09vmax),calc(50% + 0.45vmax) calc(50vh + 0.39vmax),calc(50% + 0.17vmax) calc(50vh + 0.58vmax),calc(50% + -0.17vmax) calc(50vh + 0.58vmax),calc(50% + -0.45vmax) calc(50vh + 0.39vmax),calc(50% + -0.59vmax) calc(50vh + 0.09vmax),calc(50% + -0.55vmax) calc(50vh + -0.25vmax),calc(50% + -0.32vmax) calc(50vh + -0.50vmax))}100%{clip-path:polygon(calc(50% + 51.42vmax) calc(50vh + -61.28vmax),calc(50% + 76.39vmax) calc(50vh + -23.75vmax),calc(50% + 77.11vmax) calc(50vh + 21.32vmax),calc(50% + 53.34vmax) calc(50vh + 59.62vmax),calc(50% + 12.64vmax) calc(50vh + 79.00vmax),calc(50% + -32.07vmax) calc(50vh + 73.29vmax),calc(50% + -66.61vmax) calc(50vh + 44.31vmax),calc(50% + -79.99vmax) calc(50vh + 1.27vmax),calc(50% + -67.98vmax) calc(50vh + -42.18vmax),calc(50% + -34.38vmax) calc(50vh + -72.23vmax),calc(50% + 10.13vmax) calc(50vh + -79.36vmax))}}
@media(prefers-reduced-motion:reduce){html.is-irising body{animation:none}.scendi summary .arrow svg,.scroll-hint .arrow svg{animation:none}}

/* ---------- mobile: lo scorrimento prende il posto del mouse ---------- */
@media(pointer:coarse){
  .flash.is-shot::after{animation:flash .6s ease-out}
  .flash.is-shot::before{opacity:.9;inset:10px}
  .flash.is-shot img{filter:contrast(1.1) brightness(1.08)}
  .sweep.is-lit{background:linear-gradient(100deg,var(--fg) 35%,#fff 50%,var(--fg) 65%);background-size:260% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:sweep 1.3s var(--ease) 1 both}
  .doors a,.idx__item,.btn,.menu__list a,.strip__track a,.grid button{-webkit-tap-highlight-color:transparent}
  .doors a:active,.idx__item:active{color:var(--light);padding-left:.4em;transition-duration:.15s}
  .btn:active{background:var(--light);color:#000;border-color:var(--light);transition-duration:.12s}
  .menu__list a:active{color:var(--light)}
  .menu__list a:active .iris .bl{rotate:52deg;transition-duration:.25s}
  .grid button:active img,.strip__track a:active img{transform:scale(1.03);transition-duration:.3s}
  .js .rv{transform:translateY(18px)}
  .depth__img img.js-par{will-change:transform}
}
@media(prefers-reduced-motion:reduce){.menu,.menu.is-open{clip-path:none}.iris,.iris .bl{transition:none}.sweep.is-lit{animation:none;color:inherit;background:none}}

/* ---------- il book: carta che si volta davvero (motore StPageFlip) ---------- */
.book{padding-block:clamp(3rem,8vh,6rem) clamp(2rem,6vh,4rem)}
.book__head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.6rem 2rem;margin-bottom:1.8rem}
.book__head p{max-width:46ch;line-height:1.6;margin:0}
.book__stage{position:relative;width:min(100%,calc(2 * 70vh));margin:0 auto;outline:0;--paper:#ece6d8;--ink:#2a2622;transition:opacity .6s var(--ease)}
.book__stage.is-reset{opacity:0}
.book__stage::after{content:"";position:absolute;left:5%;right:5%;bottom:-2.5%;height:8%;background:radial-gradient(50% 100% at 50% 100%,rgba(0,0,0,.7),transparent 70%);filter:blur(12px);z-index:0;pointer-events:none}
.book__pf{position:relative;z-index:1}
.book__pf .pg{position:absolute;inset:0;overflow:hidden}
.stf__parent{cursor:grab}.stf__parent:active{cursor:grabbing}
.page{background:var(--paper);color:var(--ink)}
.page::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.13;mix-blend-mode:multiply;z-index:2;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.stf__item.--right .page::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:3;background:linear-gradient(to right,rgba(0,0,0,.18),rgba(0,0,0,.04) 6%,transparent 12%)}
.stf__item.--left .page::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:3;background:linear-gradient(to left,rgba(0,0,0,.18),rgba(0,0,0,.04) 6%,transparent 12%)}
.page--photo{display:grid;place-items:center;padding:4.5% 4.5% 7%}
.page--photo picture,.page--photo img{width:100%;height:auto;aspect-ratio:1;object-fit:cover;display:block;filter:contrast(.97) sepia(.08);pointer-events:none}
.page__num{position:absolute;bottom:2.6%;right:5%;font-family:var(--font-body);font-size:clamp(.5rem,1.1vh,.7rem);letter-spacing:.14em;color:#7a746a;z-index:4}
.stf__item.--left .page__num{right:auto;left:5%}
/* pagine di testo: nere, grandi, d'impatto */
.page--text{background:#0c0b0a;color:var(--light);display:flex;align-items:center;justify-content:center;padding:10%;text-align:center}
.page--text::before{opacity:.5;mix-blend-mode:screen;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .2 0 0 0 0 .19 0 0 0 0 .17 0 0 0 .5 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.page--text .page__num{color:var(--fg-dim)}
.big{font-family:var(--font-display);font-weight:600;font-size:clamp(1.1rem,4.6vh,2.9rem);line-height:1.08;letter-spacing:-.03em;margin:0;text-wrap:balance;display:flex;flex-direction:column;gap:.25em;max-width:12ch}
.big__a{color:var(--fg-dim);font-weight:500}
.big__b{color:var(--light)}
.cover{background:#141312;color:var(--light);display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:.7em;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.cover::before{content:"";position:absolute;inset:0;opacity:.35;mix-blend-mode:screen;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .25 0 0 0 0 .24 0 0 0 0 .22 0 0 0 .6 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.cover .cover__t{font-family:var(--font-display);font-weight:500;font-size:clamp(1rem,3.6vh,2.4rem);letter-spacing:.14em;text-transform:uppercase}
.cover .cover__s{font-size:clamp(.55rem,1.3vh,.85rem);letter-spacing:.2em;text-transform:uppercase}
.cover .cover__p{font-size:clamp(.5rem,1.1vh,.72rem);letter-spacing:.18em;text-transform:uppercase;color:var(--fg-dim)}
.cover--back .cover__s{color:var(--fg-dim)}
.page--colophon{background:#0c0b0a;color:var(--light);display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:1.1em;padding:9% 10%}
.page--colophon::before{opacity:.5;mix-blend-mode:screen;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .2 0 0 0 0 .19 0 0 0 0 .17 0 0 0 .5 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.page--colophon .big{align-items:center}
.page__small{font-size:clamp(.55rem,1.5vh,.86rem);line-height:1.6;color:var(--fg);max-width:30ch;margin:0;position:relative;z-index:3}
.page--colophon .btn{position:relative;z-index:3;font-size:clamp(.55rem,1.3vh,.8rem);padding:.6em 1.1em;background:var(--light);color:#0c0b0a;border-color:var(--light)}
.page--colophon .btn:hover{background:transparent;color:var(--light)}
.book__bar{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-top:1.6rem;flex-wrap:wrap}
.book__nav,.book__tools{display:flex;align-items:center;gap:.6rem}
.book__btn{font:inherit;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--fg);background:none;border:1px solid var(--line-strong);padding:.55rem .9rem;cursor:pointer;display:inline-flex;align-items:center;gap:.5rem;transition:color .3s,border-color .3s,background .3s}
.book__btn:hover{color:var(--light);border-color:var(--light)}
.book__btn[hidden]{display:none}
.book__btn svg{width:1rem;height:1rem;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.book__btn.prev,.book__btn.next{padding:.55rem .7rem}
.book__btn[aria-pressed=true].music{color:var(--light);border-color:var(--light)}
.book__count{min-width:6ch;text-align:center}
.gallery__btns{display:flex;flex-wrap:wrap;gap:.8rem}
/* a tutto schermo */
.book.is-full{position:fixed;inset:0;z-index:70;background:#050505;margin:0;max-width:none;padding:calc(1.2rem + env(safe-area-inset-top,0px)) var(--gutter-r) calc(1rem + env(safe-area-inset-bottom,0px)) var(--gutter);display:grid;grid-template-rows:auto 1fr auto;overflow:hidden;align-content:stretch}
.book.is-full .book__head{margin-bottom:.6rem}
.book.is-full .book__head p{display:none}
.book.is-full .book__stage{width:min(100%,calc(2 * (100svh - 13rem)));align-self:center}
.book.is-full .book__bar{margin-top:.8rem}
/* telefono in verticale: una pagina quadrata, a tutta larghezza */
@media(max-width:719px) and (orientation:portrait){
  .book__stage{width:min(100%,70svh)}
  .book.is-full .book__stage{width:min(100%,calc(100svh - 13rem))}
}
@media(max-width:719px){.book__bar{flex-direction:column;align-items:stretch}.book__nav{justify-content:center}.book__tools{justify-content:center;flex-wrap:wrap}}

.book:not(.is-full) .book__nav,.book:not(.is-full) .book__tools .pause{display:none}.book:not(.is-full) .book__bar{justify-content:center}.book:not(.is-full) .book__stage{cursor:pointer}.book:not(.is-full) .stf__parent{cursor:pointer}