:root{--bg:#ffffff;--bg2:#f6f6f7;--panel:#ffffff;--line:#e4e4e7;--tx:#0b0b0d;--mut:#5f6368;--a:#ed1c24;--b:#b3121a;--r:14px}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--tx);font:16px/1.6 Inter,system-ui,-apple-system,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace}
.muted{color:var(--mut)}.small{font-size:.85rem}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;color:#000;padding:8px;z-index:99}

/* nav */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(255,255,255,.85);border-bottom:1px solid transparent;transition:.25s}
.nav.scrolled{border-color:var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center}.brand img{height:34px;width:auto;display:block}

#menu{display:flex;gap:6px}
#menu a{position:relative;overflow:hidden;padding:8px 14px;border-radius:999px;color:var(--mut);font-size:.92rem;font-weight:500;transition:color .2s,background .2s}
#menu a:hover,#menu a[aria-current]{color:var(--tx);background:#f0f0f2}
/* linea rossa curva che esce da sotto il pulsante */
#menu a::after{content:"";position:absolute;inset:0;border-radius:999px;box-shadow:inset 0 -3px 0 var(--a);transform:translateY(100%);pointer-events:none}
#menu a[aria-current]::after{transform:none;animation:menu-rise .5s cubic-bezier(.2,.9,.2,1)}
@keyframes menu-rise{from{transform:translateY(100%)}to{transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){#menu a[aria-current]::after{animation:none}}
.nav-r{display:flex;gap:10px;align-items:center}
.lang{background:none;border:1px solid var(--line);color:var(--mut);font:500 .78rem "JetBrains Mono",monospace;padding:6px 10px;border-radius:8px;cursor:pointer}
.lang span{opacity:.4;margin:0 2px}.lang:hover{color:var(--tx);border-color:var(--mut)}
.burger{display:none;background:none;border:0;width:36px;height:36px;cursor:pointer;position:relative}
.burger i{position:absolute;left:8px;right:8px;height:2px;background:var(--tx);transition:.2s}
.burger i:nth-child(1){top:14px}.burger i:nth-child(2){top:21px}
.burger[aria-expanded=true] i:nth-child(1){top:18px;transform:rotate(45deg)}
.burger[aria-expanded=true] i:nth-child(2){top:18px;transform:rotate(-45deg)}

/* hero */
.hero,.page-hero{position:relative;overflow:hidden}
.hero{padding:110px 0 80px}.page-hero{padding:90px 0 40px}
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;opacity:.6;mask-image:radial-gradient(ellipse 80% 70% at 50% 0,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 0,#000 30%,transparent 75%)}
.hero::after{content:"";position:absolute;right:6%;top:90px;width:120px;height:120px;background:var(--a);opacity:.95}
.hero-in,.page-hero .wrap{position:relative}
.eyebrow{color:var(--a);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:18px}
h1,h2,.card h3,.stats dt{font-family:"Barlow Condensed",Inter,sans-serif}
h1{font-size:clamp(2.6rem,8vw,6rem);line-height:.95;letter-spacing:-.01em;font-weight:800;max-width:14ch;text-transform:uppercase}
.page-hero h1{font-size:clamp(2.8rem,6vw,4.4rem)}
h1 em{font-style:normal;color:var(--a)}
.lead{margin-top:22px;font-size:1.15rem;color:var(--mut);max-width:58ch}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:10px;border:1px solid #cfcfd4;background:var(--panel);font-weight:600;font-size:.95rem;cursor:pointer;color:var(--tx);transition:.2s;font-family:inherit}
.btn:hover{border-color:var(--tx);transform:translateY(-1px)}
.btn.primary{background:var(--a);border-color:var(--a);color:#fff}
.btn.primary:hover{background:var(--b);border-color:var(--b)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:64px;max-width:760px}
.stats div{border-top:2px solid var(--tx);padding-top:16px}
.stats dt{font-weight:700;font-size:clamp(2rem,4.4vw,3rem);line-height:1;text-transform:uppercase}
.stats dd{color:var(--mut);font-size:.85rem;margin-top:6px}

/* sections */
.sec{padding:80px 0}.sec.alt{background:var(--bg2);border-block:1px solid var(--line)}
/* sfondo in movimento: --p (da -1 a 1) viene aggiornato da app.js durante lo scroll */
.sec.alt{position:relative;overflow:hidden;isolation:isolate}
.sec.alt::before{content:"";position:absolute;inset:-80px 0;z-index:-1;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;opacity:.55;transform:translate3d(0,calc(var(--p,0) * 60px),0);mask-image:radial-gradient(ellipse 60% 80% at 85% 50%,#000 15%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse 60% 80% at 85% 50%,#000 15%,transparent 70%)}
.sec.alt::after{content:"";position:absolute;right:-140px;top:50%;width:560px;height:560px;margin-top:-280px;z-index:-1;border-radius:50%;background:radial-gradient(circle,rgba(237,28,36,.13),transparent 65%);transform:translate3d(0,calc(var(--p,0) * -120px),0)}
h2{font-size:clamp(2rem,4vw,2.9rem);letter-spacing:0;line-height:1.05;text-transform:uppercase;font-weight:700}
.sub{margin-top:10px;max-width:60ch}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:34px;flex-wrap:wrap}
.link{color:var(--a);font-weight:600;font-size:.95rem}.link:hover{text-decoration:underline}

.pipe{list-style:none;padding:0;margin-top:40px;display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}
.pipe li{position:relative;padding:24px 14px 0 0;font-weight:600;--d:0s}
.pipe li>*{opacity:0;transition:opacity .4s calc(var(--d) + .15s)}
.pipe.in li>*{opacity:1}
/* la linea si disegna tratto per tratto e ogni quadratino si accende quando la linea lo raggiunge */
.pipe li::after{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--tx);transform:scaleX(0);transform-origin:left;transition:transform .45s linear var(--d)}
.pipe li::before{content:"";position:absolute;top:-4px;left:0;width:10px;height:10px;z-index:1;background:var(--line);transform:scale(.5);transition:background .3s var(--d),transform .4s cubic-bezier(.2,.9,.2,1.6) var(--d)}
.pipe.in li::after{transform:none}
.pipe.in li::before{background:var(--a);transform:none}
.pipe li:nth-child(2){--d:.45s}.pipe li:nth-child(3){--d:.9s}.pipe li:nth-child(4){--d:1.35s}.pipe li:nth-child(5){--d:1.8s}.pipe li:nth-child(6){--d:2.25s}
.pipe b{display:block;font:500 .78rem "JetBrains Mono",monospace;color:var(--a);margin-bottom:4px}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:.25s;overflow:hidden}
.card::after{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at var(--mx,50%) var(--my,0),rgba(237,28,36,.07),transparent 60%);opacity:0;transition:.25s;pointer-events:none}
.card:hover{border-color:var(--tx);transform:translateY(-3px);box-shadow:0 14px 30px -16px rgba(0,0,0,.25)}.card:hover::after{opacity:1}
.num{font:500 .8rem "JetBrains Mono",monospace;color:var(--a)}
.card h3{margin:14px 0 8px;font-size:1.5rem;text-transform:uppercase;font-weight:700;line-height:1.1}.card p{color:var(--mut);font-size:.95rem}

/* lavori */
.works{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin-top:34px}
.work{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.25s}
.work figure{margin:0;aspect-ratio:4/5;overflow:hidden;background:var(--bg2)}
.work img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.9,.2,1)}
.work:hover{border-color:var(--tx);box-shadow:0 14px 30px -16px rgba(0,0,0,.25)}
.work:hover img{transform:scale(1.04)}
.work-body{padding:20px 22px 24px}
.tag{font:500 .75rem "JetBrains Mono",monospace;color:var(--a);text-transform:uppercase;letter-spacing:.08em}
.work h3{font-family:"Barlow Condensed",Inter,sans-serif;font-size:1.6rem;font-weight:700;text-transform:uppercase;line-height:1.1;margin:8px 0 6px}
.work p{color:var(--mut);font-size:.95rem}
@media (prefers-reduced-motion:reduce){.work img{transition:none}.work:hover img{transform:none}}

/* clients */
.marquee{margin-top:34px;overflow:hidden;display:flex;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee ul{list-style:none;padding:0;display:flex;flex-shrink:0;gap:56px;padding-right:56px;animation:scroll 40s linear infinite}
.marquee li{font-family:"Barlow Condensed",sans-serif;font-weight:700;font-size:1.9rem;letter-spacing:.03em;text-transform:uppercase;color:#a3a3ab;white-space:nowrap;transition:.2s}
.marquee li:hover{color:var(--tx)}
@keyframes scroll{to{transform:translateX(-100%)}}
/* loghi clienti: in scala di grigi, a colori al passaggio del mouse; multiply nasconde gli sfondi chiari */
.marquee ul{align-items:center}
.marquee li img{display:block;height:44px;width:auto;max-width:170px;object-fit:contain;filter:grayscale(1);opacity:.6;mix-blend-mode:multiply;transition:.2s}
.marquee li:hover img{filter:none;opacity:1}
.tile img{display:block;max-width:80%;max-height:64px;width:auto;height:auto;object-fit:contain;filter:grayscale(1);opacity:.7;mix-blend-mode:multiply;transition:.25s}
.tile:hover img{filter:none;opacity:1}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.tile{display:grid;place-items:center;height:110px;border:1px solid var(--line);border-radius:var(--r);background:var(--panel);font-family:"Barlow Condensed",sans-serif;font-weight:700;font-size:1.4rem;text-transform:uppercase;letter-spacing:.03em;color:#8a8a92;transition:.25s;text-align:center;padding:10px}
.tile:hover{color:var(--tx);border-color:var(--a)}

.band{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding:42px;border-radius:20px;border:1px solid var(--line);background:var(--tx);color:#fff;border-color:var(--tx)}
.band .muted{color:#b9b9c0}.band .btn.primary{color:#fff}.band h2{color:#fff}
.band p{margin-top:6px}

/* contact */
.wrap.narrow{max-width:720px}
.form{background:var(--bg2);border:1px solid var(--line);border-radius:20px;padding:30px;display:grid;gap:16px;scroll-margin-top:90px}
.form label{display:grid;gap:6px;font-size:.85rem;color:var(--mut);font-weight:500}
.form input,.form select,.form textarea{background:var(--bg);color:var(--tx);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font:inherit;font-size:.97rem;transition:.2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--a);box-shadow:0 0 0 3px rgba(237,28,36,.15)}
.form .invalid{border-color:var(--a)}

/* pagine legali: il blocco nella lingua non attiva viene nascosto (app.js imposta html[lang]) */
html[lang="en"] .l-it,html[lang="it"] .l-en{display:none}
.legal{max-width:780px}
.legal h2{font-size:1.5rem;margin:36px 0 8px}.legal h2:first-child{margin-top:0}
.legal p,.legal li{color:var(--mut)}.legal p+p{margin-top:10px}
.legal ul{padding-left:20px;display:grid;gap:10px}
.legal strong{color:var(--tx)}
.legal a{color:var(--a);text-decoration:underline}
.legal code{font:.88em "JetBrains Mono",monospace;background:var(--bg2);padding:1px 5px;border-radius:4px}
.legal .small{margin-top:36px}

.foot{border-top:1px solid var(--line);padding:40px 0;margin-top:40px;background:var(--bg2)}
.foot-in{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:end}
.foot a:not(.brand):hover{color:var(--a)}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.marquee ul{animation:none}html{scroll-behavior:auto}
  .pipe li::after,.pipe li::before{transition:none;transform:none}.pipe li::before{background:var(--a)}.pipe li>*{opacity:1;transition:none}
  .sec.alt::before,.sec.alt::after{transform:none}}

@media (max-width:820px){
  .burger{display:block}
  #menu{position:absolute;top:68px;left:0;right:0;flex-direction:column;background:var(--bg);border-bottom:1px solid var(--line);padding:10px 20px 18px;display:none}
  #menu.open{display:flex}
  .stats{grid-template-columns:1fr 1fr}
  .pipe{grid-template-columns:repeat(2,1fr);gap:26px 0}  .hero{padding:70px 0 50px}.band{padding:28px}
}

@media (max-width:820px){.hero::after{width:56px;height:56px;top:24px;right:20px}}
.brand img{max-width:132px}