/* =========================================================================
   Portfolio fotografico — direzione grafica scura ed editoriale.
   Toni carbone, contrasti morbidi e accento caldo per valorizzare le foto.
   ========================================================================= */

:root{
  color-scheme:dark;
  --ink:#F2F0E9;
  --paper:#11120F;
  --paper-2:#1A1B17;
  --dark:#090A08;
  --ash:#A5A398;
  --stamp:#E06F3C;
  --line:rgba(242,240,233,.16);
  --f-display:"Cormorant Garamond",Georgia,serif;
  --f-body:"Manrope","Helvetica Neue",Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",monospace;
  --pad:clamp(18px,4vw,56px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--f-body);font-size:16px;font-weight:400;line-height:1.65;letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--stamp);outline-offset:3px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

.mono{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase}
.label{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ash);margin:0 0 .6em}
.frame-no{font-family:var(--f-mono);font-size:.7rem;font-style:normal;color:var(--stamp);
  letter-spacing:.04em}

/* ------------------------------------------------------------ topbar ---- */
.topbar{
  position:fixed;inset:0 0 auto 0;z-index:60;display:flex;align-items:center;
  justify-content:space-between;gap:16px;padding:16px var(--pad);
  color:var(--ink);transition:background .45s var(--ease),color .45s var(--ease),
    border-color .45s var(--ease);border-bottom:1px solid transparent;
  isolation:isolate;
}
.topbar::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(to bottom,rgba(8,8,6,.55),rgba(8,8,6,0))}
.topbar.is-solid{background:var(--paper);color:var(--ink);border-bottom-color:var(--line)}
.topbar.is-solid::before{opacity:0}
.mark{display:flex;flex-direction:column;line-height:1.05}
.mark__name{font-family:var(--f-display);font-size:1.65rem;font-weight:500;letter-spacing:-.02em}
.mark__meta{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;
  opacity:.75}
.nav{display:flex;gap:clamp(14px,2.2vw,32px);align-items:center}
.nav__link{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  position:relative;padding-bottom:2px;z-index:1;pointer-events:auto}
.nav__link::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:currentColor;transform:scaleX(0);transform-origin:right;pointer-events:none;
  transition:transform .4s var(--ease)}
.nav__link:hover::after,.nav__link.is-current::after{transform:scaleX(1);transform-origin:left}

.burger{display:none;background:none;border:0;padding:10px 0;width:32px;cursor:pointer}
.burger span{display:block;height:1.5px;background:currentColor;margin:5px 0;
  transition:transform .35s var(--ease),opacity .35s var(--ease)}
.burger[aria-expanded="true"] span:first-child{transform:translateY(3.2px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){transform:translateY(-3.2px) rotate(-45deg)}

.drawer{position:fixed;inset:0;z-index:55;background:var(--dark);color:var(--ink);
  display:flex;flex-direction:column;justify-content:center;padding:0 var(--pad);
  transform:translateY(-100%);transition:transform .55s var(--ease)}
.drawer[hidden]{display:none}
.drawer.is-open{transform:translateY(0)}
.drawer__nav{display:flex;flex-direction:column;gap:.1em}
.drawer__nav a{font-family:var(--f-display);font-size:clamp(2.4rem,11vw,4rem);line-height:1.1;
  display:flex;align-items:baseline;gap:.5em}
.drawer__foot{position:absolute;left:var(--pad);right:var(--pad);bottom:32px;display:flex;
  gap:24px;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase}

/* -------------------------------------------------------------- flash --- */
.flashes{position:fixed;top:84px;left:50%;transform:translateX(-50%);z-index:70;width:min(560px,92vw)}
.flash{margin:0 0 8px;padding:12px 16px;background:var(--paper-2);color:var(--ink);
  border:1px solid var(--line);font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em}
.flash--error{background:var(--stamp);color:var(--dark);border-color:var(--stamp)}

/* --------------------------------------------------------------- hero --- */
.hero{position:relative;height:100vh;height:100svh;min-height:520px;overflow:hidden;
  background:var(--dark);color:var(--ink);display:flex;align-items:flex-end}
.hero__media{position:absolute;inset:0;will-change:transform}
.hero__media img{width:100%;height:100%;object-fit:cover;
  transform:scale(1.12);transition:transform 1.8s var(--ease);filter:saturate(.92) contrast(1.04)}
.hero.is-ready .hero__media img{transform:scale(1)}
.hero__media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(8,8,6,.72),rgba(8,8,6,.05) 55%,rgba(8,8,6,.35))}
.hero__inner{position:relative;width:100%;padding:0 var(--pad) clamp(28px,6vh,64px)}
.hero__title{font-family:var(--f-display);font-weight:400;margin:0;
  font-size:clamp(3.4rem,11vw,10rem);line-height:.82;letter-spacing:-.045em;
  text-wrap:balance}
.hero__title em{font-style:italic;color:rgba(242,240,233,.78)}
.hero__sub{max-width:38ch;margin:18px 0 0;color:rgba(233,229,219,.82)}
.hero__stamp{position:absolute;top:calc(var(--pad) + 46px);right:var(--pad);
  font-family:var(--f-mono);font-size:.74rem;color:var(--stamp);letter-spacing:.1em;
  text-shadow:0 0 12px rgba(226,87,31,.45)}
.hero__scroll{position:absolute;left:var(--pad);bottom:0;display:none}

/* -------------------------------------------------------- impaginato ---- */
.wrap{padding:clamp(56px,10vh,120px) var(--pad)}
.wrap--tight{padding-top:clamp(32px,6vh,64px)}
.head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(20px,4vw,64px);
  align-items:end;margin-bottom:clamp(28px,6vh,72px)}
.head__title{font-family:var(--f-display);font-weight:500;margin:0;
  font-size:clamp(3rem,8vw,6.8rem);line-height:.88;letter-spacing:-.035em}
.head__text{margin:0;max-width:52ch;color:var(--ash)}
.head__text p{margin:0 0 1em}

/* ------------------------------------------- provino: griglia sezioni --- */
.sheet{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
  gap:clamp(18px,3vw,44px)}
.card{display:block;position:relative}
.card__frame{position:relative;overflow:hidden;background:var(--paper-2)}
.card__frame img{width:100%;aspect-ratio:4/5;object-fit:cover;
  transition:transform 1.1s var(--ease),filter .6s var(--ease)}
.card:hover .card__frame img{transform:scale(1.05)}
.card__meta{display:flex;justify-content:space-between;align-items:baseline;gap:12px;
  padding-top:12px;border-top:1px solid var(--line);margin-top:12px}
.card__title{font-family:var(--f-display);font-size:1.9rem;font-weight:500;line-height:1;margin:0;
  letter-spacing:-.02em}
.card__count{font-family:var(--f-mono);font-size:.68rem;color:var(--ash);white-space:nowrap}
.card__empty{display:flex;align-items:center;justify-content:center;aspect-ratio:4/5;
  border:1px dashed var(--line);color:var(--ash);font-family:var(--f-mono);font-size:.7rem}

/* -------------------------------------- pila verticale (scroll slides) -- */
.stack{position:relative}
.stack__item{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;
  display:flex;align-items:center;justify-content:center;background:var(--dark)}
.stack__item img{width:100%;height:100%;object-fit:cover}
.stack__cap{position:absolute;left:var(--pad);bottom:clamp(24px,6vh,56px);
  color:var(--ink);max-width:min(46ch,80vw);text-shadow:0 1px 20px rgba(0,0,0,.6)}
.stack__cap h3{font-family:var(--f-display);font-weight:400;font-size:clamp(1.6rem,4vw,2.8rem);
  margin:.2em 0 .1em;line-height:1.05}
.stack__cap p{margin:0;color:rgba(233,229,219,.8);font-size:.92rem}

/* ---------------------------------------------------- griglia fotogrammi */
.frames{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(14px,2.4vw,34px);
  align-items:start}
.frame{grid-column:span 6;position:relative}
.frame--wide{grid-column:span 8}
.frame--tall{grid-column:span 4}
.frame--full{grid-column:1/-1}
.frame__btn{display:block;width:100%;padding:0;border:0;background:none;cursor:zoom-in;
  text-align:left}
.frame__shot{position:relative;overflow:hidden;background:var(--paper-2)}
.frame__shot img{width:100%;transition:transform 1.2s var(--ease)}
.frame:hover .frame__shot img{transform:scale(1.03)}
.frame__cap{display:flex;gap:10px;padding-top:10px;color:var(--ash);align-items:baseline}
.frame__cap strong{font-weight:500;color:var(--ink);font-size:.9rem}
.frame__cap span{font-size:.86rem}

/* --------------------------------------------------- contenuto testuale */
.prose{max-width:70ch;margin-inline:auto;font-size:clamp(1.02rem,1.6vw,1.18rem)}
.prose p{margin:0 0 1.3em}
.prose h2{font-family:var(--f-display);font-weight:400;font-size:clamp(1.9rem,5vw,3.2rem);
  line-height:1.05;margin:2em 0 .5em}
.block-quote{max-width:26ch;margin:clamp(48px,9vh,110px) auto;text-align:center;
  font-family:var(--f-display);font-size:clamp(1.7rem,5vw,3rem);line-height:1.15;font-style:italic}
.block-image{margin:clamp(40px,8vh,96px) 0}
.block-image img{width:100%;cursor:zoom-in}
.block-image figcaption{padding-top:10px;color:var(--ash);font-family:var(--f-mono);
  font-size:.68rem;letter-spacing:.06em;text-transform:uppercase}
.block-image--full{margin-inline:calc(var(--pad) * -1)}

/* ------------------------------------------------------------ contatti */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
  gap:clamp(32px,6vw,96px);align-items:start}
.contact__aside a{border-bottom:1px solid var(--line)}
.contact__big{font-family:var(--f-display);font-size:clamp(1.6rem,3.4vw,2.4rem);line-height:1.15;
  margin:0 0 1rem}
.form{display:grid;gap:18px}
.field{display:grid;gap:6px}
.field label{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ash)}
.field input,.field textarea{font:inherit;font-size:1rem;color:var(--ink);background:transparent;
  border:0;border-bottom:1px solid var(--line);padding:10px 0;border-radius:0}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-bottom-color:var(--stamp)}
.field--half{display:grid;gap:18px;grid-template-columns:1fr 1fr}
.hp{position:absolute;left:-5000px}
.btn{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  background:var(--ink);color:var(--paper);border:0;padding:16px 28px;cursor:pointer;
  justify-self:start;transition:background .3s var(--ease)}
.btn:hover{background:var(--stamp)}

/* ---------------------------------------------------------- navigazione */
.pager{display:flex;flex-wrap:wrap;gap:10px 22px;padding:clamp(28px,5vh,56px) var(--pad);
  border-top:1px solid var(--line);font-family:var(--f-mono);font-size:.72rem;
  letter-spacing:.12em;text-transform:uppercase}
.pager a{border-bottom:1px solid transparent;padding-bottom:2px}
.pager a:hover{border-bottom-color:var(--stamp)}
.chips{display:flex;flex-wrap:wrap;gap:8px 10px;margin-bottom:clamp(28px,5vh,56px)}
.chip{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid var(--line);padding:8px 14px;border-radius:999px;transition:.3s var(--ease)}
.chip:hover,.chip.is-current{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* --------------------------------------------------------------- footer */
.foot{background:var(--dark);color:var(--ink);padding:clamp(48px,9vh,110px) var(--pad) 28px}
.foot__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:clamp(32px,6vh,72px);border-bottom:1px solid rgba(233,229,219,.18)}
.foot__big{font-family:var(--f-display);font-size:clamp(2.4rem,6vw,4.6rem);font-weight:500;
  letter-spacing:-.035em;margin:0 0 .1em;line-height:.9}
.foot a:hover{color:var(--stamp)}
.foot .label{color:rgba(233,229,219,.55)}
.foot__legal{margin:22px 0 0;color:rgba(233,229,219,.55)}

/* ------------------------------------------------------------- lightbox */
.lightbox{position:fixed;inset:0;z-index:90;background:rgba(8,8,6,.96);display:flex;
  align-items:center;justify-content:center;opacity:0;transition:opacity .35s var(--ease)}
.lightbox[hidden]{display:none}
.lightbox.is-open{opacity:1}
.lightbox__stage{margin:0;max-width:92vw;max-height:88vh;display:flex;flex-direction:column;gap:12px}
.lightbox__stage img{max-height:78vh;width:auto;margin:0 auto;object-fit:contain}
.lightbox__stage figcaption{color:var(--ink);text-align:center;font-size:.88rem}
.lightbox__close,.lightbox__nav{position:absolute;background:none;border:0;color:var(--ink);
  cursor:pointer;font-size:2rem;line-height:1;padding:14px}
.lightbox__close{top:12px;right:16px;font-size:1.3rem}
.lightbox__nav--prev{left:6px;top:50%;transform:translateY(-50%);font-size:3rem}
.lightbox__nav--next{right:6px;top:50%;transform:translateY(-50%);font-size:3rem}

/* ---------------------------------------------------- rivelo allo scroll */
.reveal{opacity:0;transform:translateY(42px);clip-path:inset(0 0 100% 0);
  transition:opacity .9s var(--ease),transform 1.1s var(--ease),clip-path 1.1s var(--ease)}
.reveal.is-in{opacity:1;transform:none;clip-path:inset(0 0 0 0)}
.reveal[data-delay="1"]{transition-delay:.09s}
.reveal[data-delay="2"]{transition-delay:.18s}
.reveal[data-delay="3"]{transition-delay:.27s}

/* -------------------------------------------------------------- vuoto -- */
.empty{border:1px dashed var(--line);padding:clamp(32px,6vw,72px);text-align:center;
  color:var(--ash)}
.empty h3{font-family:var(--f-display);font-weight:400;font-size:1.8rem;margin:0 0 .3em;
  color:var(--ink)}

/* --------------------------------------------------------------- mobile */
@media (max-width:900px){
  .nav{display:none}
  .burger{display:block}
  .head{grid-template-columns:1fr;gap:18px}
  .foot__grid{grid-template-columns:1fr 1fr}
  .contact{grid-template-columns:1fr}
  .frame,.frame--wide,.frame--tall{grid-column:span 6}
  .frames{grid-template-columns:repeat(6,1fr)}
}
@media (max-width:620px){
  .frames{grid-template-columns:1fr}
  .frame,.frame--wide,.frame--tall,.frame--full{grid-column:1/-1}
  .sheet{grid-template-columns:1fr}
  .foot__grid{grid-template-columns:1fr}
  .field--half{grid-template-columns:1fr}
  .mark__meta{display:none}
  .hero__stamp{top:calc(var(--pad) + 64px);font-size:.64rem}
  .block-image--full{margin-inline:0}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none;clip-path:none}
  .hero__media img{transform:none}
}
/* rete di sicurezza: se il JS non parte, il contenuto resta visibile */
/* le reveal partono visibili; il JS le anima solo dove funziona */
.reveal{opacity:1;transform:none;clip-path:none}
.js-anim .reveal:not(.is-in){opacity:0;transform:translateY(42px);clip-path:inset(0 0 100% 0)}