/* =========================================================
   VIPSTAND — Portfolio (pagina vetrina Sitiamo)
   Sistema visivo: nero caldo · avorio · oro
   Type: ArianLT Bold (titoli) + Montserrat (accenti) + Barlow (UI/corpo)
   Font/immagini serviti da assets/uploads-2.0/ (cartella caricata 1:1 dal
   progetto Claude Design). Tutto scopato sotto body.sitiamo-page--portfolio,
   eccetto :root / @font-face / @keyframes (regola CLAUDE.md).
   Foglio self-contained: CSS non condiviso tra pagine, header/footer/marquee
   duplicati identici da home.css.
   ========================================================= */

@font-face{
  font-family:"ArianLT";
  src:url("../../uploads-2.0/ArianLT-Bold.ttf") format("truetype");
  font-weight:400 900;
  font-style:normal;
  font-display:swap;
}

:root{
  --bg:        #0b0a09;
  --bg-2:      #131211;
  --bg-3:      #1a1815;
  --ivory:     #ffffff;
  --ivory-72:  rgba(255,255,255,.72);
  --ivory-50:  rgba(255,255,255,.5);
  --ivory-34:  rgba(255,255,255,.34);
  --ivory-18:  rgba(255,255,255,.18);
  --gold:      #c9a24e;
  --gold-bright:#e6c680;
  --gold-deep: #a37c2f;
  --hairline:  rgba(255,255,255,.12);
  --hairline-2:rgba(255,255,255,.07);
  --gold-grad: linear-gradient(135deg,#a37c2f 0%,#e6c680 48%,#c9a24e 100%);

  --serif: "ArianLT", "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --sans:  "Barlow", "Helvetica Neue", Arial, sans-serif;

  --gutter: 24px;
  --maxw: 1320px;
  --sec-py: 96px;
}

/* ---------- Reset & base ---------- */
body.sitiamo-page--portfolio *{box-sizing:border-box;}
body.sitiamo-page--portfolio{
  margin:0;
  background:var(--bg);
  color:var(--ivory);
  font-family:var(--sans);
  font-weight:400;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.sitiamo-page--portfolio img{max-width:100%;display:block;}
body.sitiamo-page--portfolio a{color:var(--gold);text-decoration:none;transition:color .35s ease;}
body.sitiamo-page--portfolio a:hover{color:var(--gold-bright);}
body.sitiamo-page--portfolio h1,
body.sitiamo-page--portfolio h2,
body.sitiamo-page--portfolio h3,
body.sitiamo-page--portfolio h4{margin:0;font-family:var(--serif);font-weight:700;text-transform:uppercase;letter-spacing:-.01em;}
body.sitiamo-page--portfolio h1{font-size:40px;line-height:1.05;}
body.sitiamo-page--portfolio h2{font-size:40px;line-height:1.08;}
body.sitiamo-page--portfolio h3{font-size:40px;line-height:1.1;}
body.sitiamo-page--portfolio h4{font-size:40px;line-height:1.1;}
body.sitiamo-page--portfolio p{margin:0;font-family:"Montserrat","Helvetica Neue",Arial,sans-serif;font-size:15px;font-weight:500;line-height:1.65;}
body.sitiamo-page--portfolio ::selection{background:rgba(201,162,78,.28);color:var(--ivory);}
body.sitiamo-page--portfolio .gold-text{color:var(--gold);}

/* ---------- Custom cursor (creato in JS) ---------- */
body.sitiamo-page--portfolio .cursor-dot,
body.sitiamo-page--portfolio .cursor-ring{
  position:fixed;top:0;left:0;
  pointer-events:none;
  z-index:9999;
  border-radius:50%;
  mix-blend-mode:difference;
}
body.sitiamo-page--portfolio .cursor-dot{
  width:6px;height:6px;margin:-3px 0 0 -3px;
  background:var(--gold-bright);
}
body.sitiamo-page--portfolio .cursor-ring{
  width:38px;height:38px;margin:-19px 0 0 -19px;
  border:1px solid rgba(230,198,128,.6);
  transition:width .3s ease,height .3s ease,margin .3s ease,background .3s ease,border-color .3s ease;
}
body.sitiamo-page--portfolio .cursor-ring.is-active{
  width:66px;height:66px;margin:-33px 0 0 -33px;
  background:rgba(230,198,128,.1);
  border-color:rgba(230,198,128,.9);
}
body.sitiamo-page--portfolio .cursor-ring .cursor-label{
  font-family:var(--sans);font-size:10px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--gold-bright);
  opacity:0;transition:opacity .25s ease;white-space:nowrap;
  display:flex;align-items:center;justify-content:center;
  width:100%;height:100%;
}
body.sitiamo-page--portfolio .cursor-ring.is-active .cursor-label{opacity:1;}
body.sitiamo-page--portfolio.has-custom-cursor{cursor:none;}
body.sitiamo-page--portfolio.has-custom-cursor a,
body.sitiamo-page--portfolio.has-custom-cursor button{cursor:none;}

/* =========================================================
   HEADER (condiviso — copiato identico su ogni pagina vetrina)
   ========================================================= */
body.sitiamo-page--portfolio #siteHeader{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  transition:background .4s ease,backdrop-filter .4s ease,border-color .4s ease,padding .4s ease;
  border-bottom:1px solid transparent;
}
body.sitiamo-page--portfolio .header__inner{
  display:flex;align-items:center;gap:28px;
  padding:18px clamp(20px,4vw,56px);
  transition:padding .4s ease;
}
body.sitiamo-page--portfolio #siteHeader.is-scrolled{
  background:rgba(10,9,8,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--hairline);
}
body.sitiamo-page--portfolio #siteHeader.is-scrolled .header__inner{padding-top:12px;padding-bottom:12px;}
body.sitiamo-page--portfolio .header__logo{display:block;flex:0 0 auto;line-height:0;}
body.sitiamo-page--portfolio .header__logo img{height:clamp(34px,3.4vw,46px);width:auto;display:block;}
body.sitiamo-page--portfolio .header__nav{display:flex;align-items:center;gap:clamp(18px,2vw,34px);margin-left:clamp(24px,4vw,64px);}
body.sitiamo-page--portfolio .header__nav a{
  font-family:var(--sans);font-weight:500;font-size:13px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--ivory);
  position:relative;padding:6px 0;transition:color .3s ease;
}
body.sitiamo-page--portfolio .header__nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:var(--gold);transform:scaleX(0);transform-origin:left center;
  transition:transform .35s cubic-bezier(.2,.8,.2,1);
}
body.sitiamo-page--portfolio .header__nav a:hover{color:var(--gold-bright);}
body.sitiamo-page--portfolio .header__nav a:hover::after{transform:scaleX(1);}
body.sitiamo-page--portfolio .header__cta{
  flex:0 0 auto;margin-left:auto;
  font-family:var(--sans);font-weight:500;font-size:13px;letter-spacing:.1em;
  color:var(--gold-bright);
  border:1px solid var(--gold);border-radius:4px;
  padding:13px 26px;transition:background .35s ease,color .35s ease;
}
body.sitiamo-page--portfolio .header__cta:hover{background:var(--gold);color:#181206;}
body.sitiamo-page--portfolio .header__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto;}
body.sitiamo-page--portfolio .header__burger span{display:block;width:24px;height:2px;background:var(--ivory);transition:transform .3s ease,opacity .3s ease;}
body.sitiamo-page--portfolio #siteHeader.menu-open .header__burger span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.sitiamo-page--portfolio #siteHeader.menu-open .header__burger span:nth-child(2){opacity:0;}
body.sitiamo-page--portfolio #siteHeader.menu-open .header__burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* =========================================================
   FOOTER (condiviso — copiato identico su ogni pagina vetrina)
   ========================================================= */
body.sitiamo-page--portfolio #siteFooter{background:#0a0908;color:var(--ivory);padding:clamp(56px,8vh,84px) 0 40px;}
body.sitiamo-page--portfolio .footer__inner{
  width:100%;max-width:1440px;margin:0 auto;padding:0 clamp(24px,5vw,72px);
  display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.4fr;gap:clamp(32px,4vw,64px);
}
body.sitiamo-page--portfolio .footer__logo{display:block;line-height:0;margin-bottom:22px;}
body.sitiamo-page--portfolio .footer__logo img{height:40px;width:auto;}
body.sitiamo-page--portfolio .footer__tagline{color:var(--ivory-72);font-size:15px;line-height:1.6;}
body.sitiamo-page--portfolio .footer__social{display:flex;gap:12px;margin-top:26px;}
body.sitiamo-page--portfolio .footer__social a{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--hairline);
  display:flex;align-items:center;justify-content:center;color:var(--ivory);
  transition:border-color .3s ease,color .3s ease,transform .3s ease;
}
body.sitiamo-page--portfolio .footer__social a:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-3px);}
body.sitiamo-page--portfolio .footer__copy{margin-top:34px;display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--ivory-50);}
body.sitiamo-page--portfolio .footer__copy span:first-child{color:var(--ivory);font-weight:600;}
body.sitiamo-page--portfolio .footer__legal a{color:var(--ivory-72);text-decoration:underline;text-underline-offset:3px;}
body.sitiamo-page--portfolio .footer__legal a:hover{color:var(--gold-bright);}
body.sitiamo-page--portfolio .footer__h{
  font-family:var(--sans);font-weight:600;font-size:13px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--gold);margin-bottom:22px;
}
body.sitiamo-page--portfolio .footer__col--wide .footer__h:nth-of-type(2){margin-top:30px;}
body.sitiamo-page--portfolio .footer__col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;}
body.sitiamo-page--portfolio .footer__col ul a{color:var(--ivory);font-size:14px;letter-spacing:.04em;transition:color .3s ease;}
body.sitiamo-page--portfolio .footer__col ul a:hover{color:var(--gold-bright);}
body.sitiamo-page--portfolio .footer__addr{color:var(--ivory);font-size:15px;line-height:1.6;}

/* =========================================================
   MARQUEE LOGHI (brand/fiere) — condiviso, stesso meccanismo
   di .brands ma qui applicato alla sezione .fairs
   ========================================================= */
body.sitiamo-page--portfolio .fairs__rows{display:flex;flex-direction:column;gap:clamp(22px,3.5vh,44px);}
body.sitiamo-page--portfolio .fairs__row{
  overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 7%,#000 93%,transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 7%,#000 93%,transparent 100%);
}
body.sitiamo-page--portfolio .fairs__track{
  display:flex;align-items:center;
  gap:clamp(38px,5vw,84px);
  width:max-content;
  will-change:transform;
}
body.sitiamo-page--portfolio .fair-logo{flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  width:clamp(120px,13vw,180px);height:clamp(56px,6vw,84px);}
body.sitiamo-page--portfolio .fair-logo img{
  max-width:100%;max-height:100%;width:auto;height:auto;display:block;
  object-fit:contain;
  transition:transform .45s cubic-bezier(.2,.8,.2,1);
}
body.sitiamo-page--portfolio .fair-logo:hover img{transform:scale(1.06);}
body.sitiamo-page--portfolio .fairs__row.is-marquee .fairs__track{animation:fairsScrollA var(--fairs-dur,46s) linear infinite;}
body.sitiamo-page--portfolio .fairs__row.is-marquee.fairs__row--rev .fairs__track{animation-name:fairsScrollB;}
body.sitiamo-page--portfolio .fairs__row.is-marquee:hover .fairs__track{animation-play-state:paused;}
@keyframes fairsScrollA{from{transform:translate3d(0,0,0);}to{transform:translate3d(-50%,0,0);}}
@keyframes fairsScrollB{from{transform:translate3d(-50%,0,0);}to{transform:translate3d(0,0,0);}}

/* =========================================================
   HERO PORTFOLIO
   ========================================================= */
body.sitiamo-page--portfolio .pf-hero{
  background:var(--bg);text-align:center;
  padding:clamp(120px,18vh,190px) 24px clamp(36px,6vh,64px);
}
body.sitiamo-page--portfolio .pf-hero__title{
  font-family:var(--serif);font-weight:700;text-transform:uppercase;color:#fff;
  font-size:clamp(2rem,5vw,3.4rem);letter-spacing:.02em;line-height:1;
}
body.sitiamo-page--portfolio .pf-hero__sub{
  margin:16px auto 0;max-width:52ch;color:var(--ivory-72);
  font-family:"Montserrat",sans-serif;font-weight:500;font-size:15px;line-height:1.7;
}

/* =========================================================
   GRIGLIA PROGETTI
   ========================================================= */
body.sitiamo-page--portfolio .pf-grid{
  background:var(--bg);
  max-width:1560px;margin:0 auto;padding:clamp(28px,4vh,48px) clamp(16px,3vw,40px) clamp(64px,10vh,120px);
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px;
}
body.sitiamo-page--portfolio .pf-card{
  position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--bg-3);
  cursor:pointer;
}
body.sitiamo-page--portfolio .pf-card img{
  width:100%;height:100%;object-fit:cover;display:block;
  filter:grayscale(1) contrast(1.02);
  /* Scala di riposo già leggermente sovradimensionata (non 1:1): durante
     la transizione verso lo scale hover, l'immagine deve restare sempre
     più grande del contenitore, altrimenti l'arrotondamento sub-pixel del
     browser durante l'animazione lascia per un istante un filo di bordo
     scoperto (si intravede il colore sotto, soprattutto in basso) prima
     di riassestarsi. */
  transform:scale(1.06) translateZ(0);
  transition:filter .55s ease,transform .8s cubic-bezier(.2,.8,.2,1);
  will-change:transform;
  backface-visibility:hidden;
  -webkit-backface-visibility:hidden;
}
body.sitiamo-page--portfolio .pf-card::after{
  /* inset:0 su un contenitore con altezza frazionaria (es. 268.5px) può
     arrotondare ai pixel del display in modo diverso rispetto all'img
     scalata (due layer di compositing separati): il risultato è un filo
     dell'immagine a colori scoperto sotto l'overlay scuro. Uscendo di
     qualche px oltre i bordi (il genitore ha overflow:hidden, quindi
     resta comunque contenuto) l'overlay copre sempre per intero. */
  content:"";position:absolute;top:-4px;left:-4px;right:-4px;bottom:-4px;z-index:1;pointer-events:none;
  background:linear-gradient(to top,rgba(6,6,6,.85) 0%,rgba(6,6,6,.1) 42%,rgba(6,6,6,0) 65%);
  opacity:0;transition:opacity .5s ease;
}
body.sitiamo-page--portfolio .pf-card__partner{
  position:absolute;top:16px;left:16px;z-index:2;
  font-family:"Montserrat",sans-serif;font-weight:600;font-size:10px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--ivory-72);
  border:1px solid var(--hairline-2);border-radius:999px;
  padding:6px 12px;background:rgba(11,10,9,.55);
  backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);
  pointer-events:none;
}
body.sitiamo-page--portfolio .pf-card__meta{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:20px 22px;
  transform:translateY(10px);opacity:0;
  transition:transform .5s cubic-bezier(.2,.8,.2,1),opacity .45s ease;
}
body.sitiamo-page--portfolio .pf-card__name{
  display:block;font-family:var(--serif);font-weight:700;text-transform:uppercase;
  color:#fff;font-size:clamp(1rem,1.5vw,1.3rem);letter-spacing:.01em;line-height:1;
}
body.sitiamo-page--portfolio .pf-card__fair{
  display:block;margin-top:8px;font-family:"Montserrat",sans-serif;font-weight:600;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);
}
body.sitiamo-page--portfolio .pf-card:hover img{filter:grayscale(0) contrast(1);transform:scale(1.11) translateZ(0);}
body.sitiamo-page--portfolio .pf-card:hover::after{opacity:1;}
body.sitiamo-page--portfolio .pf-card:hover .pf-card__meta{transform:translateY(0);opacity:1;}
body.sitiamo-page--portfolio.has-custom-cursor .pf-card{cursor:none;}

/* =========================================================
   FIERE (poli fieristici — testi statici della sezione)
   ========================================================= */
body.sitiamo-page--portfolio .fairs{background:#fff;color:#141210;padding:clamp(28px,4vh,52px) 0;}
body.sitiamo-page--portfolio .fairs__head{text-align:center;padding:0 24px;margin-bottom:clamp(34px,5vh,56px);}
body.sitiamo-page--portfolio .fairs__head h2{color:#141210;}
body.sitiamo-page--portfolio .fairs__head p{margin-top:14px;color:rgba(20,18,16,.6);font-size:15px;}

/* =========================================================
   LIGHTBOX
   ========================================================= */
body.sitiamo-page--portfolio .pf-lightbox{
  position:fixed;inset:0;z-index:2000;
  background:rgba(6,6,6,.94);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;
  padding:clamp(16px,4vw,56px);
}
body.sitiamo-page--portfolio .pf-lightbox[hidden]{display:none;}
body.sitiamo-page--portfolio .pf-lb__fig{margin:0;position:relative;max-width:min(1400px,94vw);display:flex;flex-direction:column;align-items:center;gap:18px;}
body.sitiamo-page--portfolio .pf-lb__fig img{max-width:100%;max-height:78vh;width:auto;height:auto;display:block;border-radius:4px;}
body.sitiamo-page--portfolio .pf-lightbox.is-loading .pf-lb__fig img{min-width:min(60vw,700px);min-height:min(45vh,420px);background:rgba(255,255,255,.04);}
body.sitiamo-page--portfolio .pf-lightbox.is-loading .pf-lb__fig::before{
  content:"";position:absolute;top:50%;left:50%;width:34px;height:34px;margin:-17px 0 0 -17px;
  border:2px solid rgba(255,255,255,.18);border-top-color:var(--gold);border-radius:50%;
  animation:pfSpin .8s linear infinite;
}
@keyframes pfSpin{to{transform:rotate(360deg);}}
body.sitiamo-page--portfolio .pf-lb__cap{display:flex;flex-direction:column;align-items:center;gap:7px;text-align:center;}
body.sitiamo-page--portfolio .pf-lb__cap span:first-child{font-family:var(--serif);font-weight:700;text-transform:uppercase;color:#fff;font-size:clamp(1.1rem,2vw,1.5rem);}
body.sitiamo-page--portfolio .pf-lb__cap span:last-child{font-family:"Montserrat",sans-serif;font-weight:600;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);}
body.sitiamo-page--portfolio .pf-lb__close,
body.sitiamo-page--portfolio .pf-lb__nav{
  position:absolute;z-index:2;background:transparent;border:1px solid var(--ivory-18);
  color:#fff;cursor:pointer;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  transition:border-color .3s ease,color .3s ease,transform .3s ease;
}
body.sitiamo-page--portfolio .pf-lb__close{top:clamp(14px,3vh,28px);right:clamp(14px,3vw,28px);width:46px;height:46px;font-size:28px;line-height:1;}
body.sitiamo-page--portfolio .pf-lb__nav{top:50%;transform:translateY(-50%);width:52px;height:52px;font-size:32px;line-height:1;padding-bottom:4px;}
body.sitiamo-page--portfolio .pf-lb__nav--prev{left:clamp(10px,2vw,26px);}
body.sitiamo-page--portfolio .pf-lb__nav--next{right:clamp(10px,2vw,26px);}
body.sitiamo-page--portfolio .pf-lb__close:hover,
body.sitiamo-page--portfolio .pf-lb__nav:hover{border-color:var(--gold);color:var(--gold);}
body.sitiamo-page--portfolio .pf-lb__nav:hover{transform:translateY(-50%) scale(1.06);}
body.sitiamo-page--portfolio.has-custom-cursor .pf-lightbox,
body.sitiamo-page--portfolio.has-custom-cursor .pf-lightbox *{cursor:none;}

/* =========================================================
   RESPONSIVE — 768px
   ========================================================= */
@media (min-width:768px){
  :root{--gutter:40px;--sec-py:120px;}
  body.sitiamo-page--portfolio .pf-grid{grid-template-columns:repeat(3,1fr);gap:16px;}
}
@media (max-width:1100px){
  body.sitiamo-page--portfolio .footer__inner{grid-template-columns:1fr 1fr;gap:40px;}
  body.sitiamo-page--portfolio .footer__brand{grid-column:1 / -1;}
}
@media (max-width:900px){
  body.sitiamo-page--portfolio .header__nav,
  body.sitiamo-page--portfolio .header__cta{display:none;}
  body.sitiamo-page--portfolio .header__burger{display:flex;}
  body.sitiamo-page--portfolio #siteHeader.menu-open{background:rgba(10,9,8,.96);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);}
  body.sitiamo-page--portfolio #siteHeader.menu-open .header__nav{
    display:flex;position:absolute;top:100%;left:0;width:100%;
    background:rgba(10,9,8,.96);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    flex-direction:column;align-items:flex-start;gap:0;margin:0;
    padding:8px clamp(20px,4vw,56px) 20px;
  }
  body.sitiamo-page--portfolio #siteHeader.menu-open .header__nav a{width:100%;padding:14px 0;border-bottom:1px solid var(--hairline-2);}
  body.sitiamo-page--portfolio #siteHeader.menu-open .header__cta{display:inline-block;margin:4px clamp(20px,4vw,56px) 22px;}
}
@media (max-width:640px){
  body.sitiamo-page--portfolio .footer__inner{grid-template-columns:1fr;}
}
@media (max-width:600px){
  body.sitiamo-page--portfolio .pf-lb__nav{width:42px;height:42px;font-size:26px;}
}

/* =========================================================
   RESPONSIVE — 1200px
   ========================================================= */
@media (min-width:1200px){
  :root{--gutter:56px;--sec-py:150px;}
  body.sitiamo-page--portfolio .pf-grid{grid-template-columns:repeat(4,1fr);}
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion:reduce){
  body.sitiamo-page--portfolio .fairs__row.is-marquee .fairs__track{animation:none;}
  body.sitiamo-page--portfolio *{scroll-behavior:auto !important;}
}