/* OFFICINA 3D — stile */
@font-face{font-family:Inter;src:url(../fonts/Inter-Regular.woff) format("woff");font-weight:400;font-display:swap}
@font-face{font-family:Inter;src:url(../fonts/Inter-SemiBold.woff) format("woff");font-weight:600;font-display:swap}
@font-face{font-family:Inter;src:url(../fonts/Inter-ExtraBold.woff) format("woff");font-weight:800;font-display:swap}
@font-face{font-family:O3Mono;src:url(../fonts/Mono.woff) format("woff");font-weight:400;font-display:swap}

:root{
  --ink:#111;--ink-2:#444;--ink-3:#6b6b6b;--line:#e3e3e3;--bg:#fff;--bg-2:#f4f3f1;--accent:#111;
  --mono:O3Mono,ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --wrap:1240px;--gut:clamp(18px,4vw,40px);--r:4px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);font-size:17px;line-height:1.6;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2rem,5vw,3.6rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem)}
h3{font-size:1.15rem;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.mono{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase}
.kicker{font-family:var(--mono);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin:0 0 .9em;display:block}
.lead{font-size:clamp(1.08rem,1.6vw,1.3rem);color:var(--ink-2);max-width:62ch}
.skip{position:absolute;left:-999px;top:0;background:#000;color:#fff;padding:10px 14px;z-index:99}
.skip:focus{left:10px;top:10px}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:block;width:150px;flex:none}
.brand img{width:100%;height:auto}
.nav{display:flex;align-items:center;gap:26px}
.nav a{text-decoration:none;font-size:.95rem;font-weight:600;color:var(--ink-2)}
.nav a:hover,.nav a[aria-current=page]{color:var(--ink)}
.nav a[aria-current=page]{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:8px}
.btn{display:inline-flex;align-items:center;gap:.6em;background:var(--ink);color:#fff!important;text-decoration:none;font-weight:600;font-size:.95rem;padding:.8em 1.25em;border-radius:var(--r);border:2px solid var(--ink);transition:background .15s,color .15s}
.btn:hover{background:#fff;color:var(--ink)!important}
.btn.ghost{background:transparent;color:var(--ink)!important}
.btn.ghost:hover{background:var(--ink);color:#fff!important}
.btn .arr{font-family:var(--mono)}
.nav .btn{padding:.6em 1em}
.menu-btn{display:none;background:none;border:0;padding:8px;cursor:pointer}
.menu-btn span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:transform .2s,opacity .2s}
@media (max-width:900px){
  .menu-btn{display:block}
  .nav{position:fixed;inset:68px 0 auto 0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:8px var(--gut) 24px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .25s;max-height:calc(100vh - 68px);overflow:auto}
  .nav a{padding:14px 0;width:100%;border-bottom:1px solid var(--line);font-size:1.05rem}
  .nav .btn{margin-top:16px;width:auto;border-bottom:2px solid var(--ink);padding:.8em 1.2em}
  .nav-open .nav{transform:none}
  .nav-open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-open .menu-btn span:nth-child(2){opacity:0}
  .nav-open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* hero */
.hero{padding:clamp(40px,7vw,90px) 0 clamp(30px,5vw,60px)}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(24px,5vw,64px);align-items:center}
.claim{font-family:var(--mono);font-size:clamp(.85rem,1.3vw,1rem);letter-spacing:.16em;text-transform:uppercase;line-height:1.8;margin:0 0 1.4em;color:var(--ink)}
.claim b{display:block;font-weight:400;color:var(--ink-3)}
.hero h1{margin-bottom:.4em}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-media{position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:var(--r);background:var(--bg-2)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media figcaption{position:absolute;left:12px;bottom:12px;background:#fff;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;padding:6px 10px}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}

/* page head */
.page-head{padding:clamp(36px,6vw,72px) 0 clamp(20px,3vw,36px)}
.crumbs{font-family:var(--mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin:0 0 22px;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.crumbs li+li::before{content:"/";margin-right:8px}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline}

/* sections */
.section{padding:clamp(48px,7vw,96px) 0}
.section.tint{background:var(--bg-2)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:clamp(24px,4vw,44px);flex-wrap:wrap}
.section-head h2{margin:0}
.section-head p{margin:0;max-width:52ch;color:var(--ink-2)}
.rule{border:0;border-top:1px solid var(--line);margin:0}

/* facts strip */
.facts{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--line)}
.facts div{padding:22px 18px 22px 0}
.facts strong{display:block;font-size:1.05rem;margin-bottom:4px}
.facts span{font-size:.92rem;color:var(--ink-2)}
@media (max-width:800px){.facts{grid-template-columns:1fr 1fr}.facts div{padding:16px 12px 16px 0}}

/* cards: services */
.services{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.service{border-top:2px solid var(--ink);padding-top:18px}
.service .n{font-family:var(--mono);font-size:.8rem;color:var(--ink-3);display:block;margin-bottom:10px}
.service p{color:var(--ink-2);font-size:.97rem}
.service a.more{font-weight:600;font-size:.95rem;text-decoration:none}
.service a.more:hover{text-decoration:underline}
@media (max-width:1000px){.services{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.services{grid-template-columns:1fr}}

/* project grid */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filters button{font:600 .9rem var(--sans);background:#fff;border:1px solid var(--line);border-radius:999px;padding:.55em 1.1em;cursor:pointer;color:var(--ink-2)}
.filters button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,28px)}
.grid.two{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.grid,.grid.two{grid-template-columns:1fr}}
.card{text-decoration:none;display:block}
.card .ph{aspect-ratio:4/3;overflow:hidden;background:var(--bg-2);border-radius:var(--r)}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .ph img{transform:scale(1.035)}
.card h3{margin:14px 0 4px;font-size:1.12rem}
.card:hover h3{text-decoration:underline;text-decoration-thickness:2px}
.card .meta{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.card[hidden]{display:none}

/* split blocks */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px);align-items:center}
.split.rev>:first-child{order:2}
.split .ph{border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;background:var(--bg-2)}
.split .ph img{width:100%;height:100%;object-fit:cover}
@media (max-width:900px){.split{grid-template-columns:1fr}.split.rev>:first-child{order:0}}
.ticks{list-style:none;padding:0;margin:0 0 1.4em}
.ticks li{padding:10px 0 10px 28px;border-bottom:1px solid var(--line);position:relative}
.ticks li::before{content:"→";font-family:var(--mono);position:absolute;left:0;top:10px;color:var(--ink-3)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s;list-style:none;padding:0;margin:0}
.steps li{border-top:1px solid var(--ink);padding-top:16px;counter-increment:s}
.steps li::before{content:"0" counter(s);font-family:var(--mono);font-size:.8rem;color:var(--ink-3);display:block;margin-bottom:8px}
.steps p{color:var(--ink-2);font-size:.96rem;margin:0}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* audience */
.tags{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.tags li{border:1px solid var(--ink);padding:.5em 1em;border-radius:999px;font-weight:600}

/* project page */
.p-head{display:grid;grid-template-columns:1.4fr 1fr;gap:clamp(24px,5vw,64px);align-items:start}
@media (max-width:900px){.p-head{grid-template-columns:1fr}}
.spec{margin:0;border-top:1px solid var(--ink)}
.spec div{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:.97rem}
.spec dt{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);padding-top:3px}
.spec dd{margin:0}
.p-cover{margin:clamp(20px,3vw,36px) 0 0;border-radius:var(--r);overflow:hidden;background:var(--bg-2)}
.p-cover img{width:100%;max-height:78vh;object-fit:cover}
.prose{max-width:68ch}
.prose h2{font-size:1.5rem;margin-top:1.4em}
.prose ul{padding-left:1.2em}
.prose li{margin-bottom:.4em}
.gallery{columns:3 280px;column-gap:14px}
.gallery a{display:block;margin:0 0 14px;break-inside:avoid;border-radius:var(--r);overflow:hidden;background:var(--bg-2);cursor:zoom-in}
.gallery img{width:100%;transition:opacity .2s}
.gallery a:hover img{opacity:.88}
.videos{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.videos video{width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:var(--r);background:#000}
@media (max-width:900px){.videos{grid-template-columns:repeat(2,1fr)}}
.note{font-size:.9rem;color:var(--ink-3)}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(10,10,10,.94);z-index:100;display:none;align-items:center;justify-content:center}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:86vh;width:auto;height:auto;object-fit:contain}
.lb button{position:absolute;background:none;border:0;color:#fff;font:400 2rem var(--mono);cursor:pointer;padding:16px;line-height:1}
.lb .x{top:8px;right:12px}
.lb .pv{left:8px;top:50%;transform:translateY(-50%)}
.lb .nx{right:8px;top:50%;transform:translateY(-50%)}
.lb .cnt{position:absolute;bottom:16px;left:0;right:0;text-align:center;color:#bbb;font:.8rem var(--mono);letter-spacing:.1em}

/* faq */
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq details:first-of-type{border-top:1px solid var(--ink)}
.faq summary{cursor:pointer;font-weight:600;font-size:1.08rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:1.3rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:12px 0 0;color:var(--ink-2);max-width:72ch}

/* cta */
.cta{background:var(--ink);color:#fff;padding:clamp(48px,7vw,90px) 0}
.cta h2{color:#fff;max-width:20ch}
.cta p{color:#cfcfcf;max-width:56ch}
.cta .btn{background:#fff;color:var(--ink)!important;border-color:#fff}
.cta .btn:hover{background:transparent;color:#fff!important}
.cta .claim{color:#fff}.cta .claim b{color:#9a9a9a}
.cta-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:end}
@media (max-width:800px){.cta-grid{grid-template-columns:1fr}}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px)}
@media (max-width:800px){.contact-grid{grid-template-columns:1fr}}
.big-mail{font-size:clamp(1.4rem,3.2vw,2.2rem);font-weight:800;letter-spacing:-.02em;word-break:break-all}
.checklist{counter-reset:c;list-style:none;padding:0;margin:0}
.checklist li{counter-increment:c;padding:14px 0 14px 44px;border-bottom:1px solid var(--line);position:relative}
.checklist li::before{content:counter(c,decimal-leading-zero);position:absolute;left:0;top:14px;font-family:var(--mono);font-size:.85rem;color:var(--ink-3)}

/* footer */
.site-foot{border-top:1px solid var(--line);padding:56px 0 32px;font-size:.95rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-grid h3{font-family:var(--mono);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);font-weight:400;margin-bottom:14px}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin-bottom:8px}
.foot-grid a{text-decoration:none;color:var(--ink-2)}
.foot-grid a:hover{color:var(--ink);text-decoration:underline}
.foot-logo{width:200px;margin-bottom:16px}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:48px;padding-top:20px;border-top:1px solid var(--line);font-size:.85rem;color:var(--ink-3)}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* intro: stanghette del logo */
#intro{position:fixed;inset:0;z-index:200;background:#fff;pointer-events:auto;animation:introFail .4s 3.2s forwards}
#intro .intro-bars{position:absolute;left:0;top:0;width:100vw;height:100vh;transform-origin:0 0;will-change:transform}
#intro svg{width:100%;height:100%;display:block}
#intro path{fill:#111;transform-box:fill-box;transform-origin:50% 100%;transform:scaleY(0)}
.brand img{transition:opacity .3s}
.intro-run .brand img{opacity:0}

.no-intro #intro{display:none}
@keyframes introFail{to{opacity:0;visibility:hidden}}
@media (prefers-reduced-motion:reduce){#intro{display:none}}