@font-face{font-family:"Poppins";font-weight:600;font-display:swap;src:url(fonts/poppins-600.woff2) format("woff2")}
@font-face{font-family:"Poppins";font-weight:700;font-display:swap;src:url(fonts/poppins-700.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-weight:400;font-display:swap;src:url(fonts/plex-400.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-weight:500;font-display:swap;src:url(fonts/plex-500.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-weight:600;font-display:swap;src:url(fonts/plex-600.woff2) format("woff2")}

:root{
  --ink:#000000;
  --paper:#FFFFFF;
  --muted:#4F4F54;
  --line:#D9D9D9;
  --wash:#F5F5F5;
  --head:"Poppins","Helvetica Neue",Arial,sans-serif;
  --body:"IBM Plex Sans","Helvetica Neue",Arial,sans-serif;
  --wrap:1180px;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:20px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:1.0625rem;line-height:1.6}
img,svg{max-width:100%;display:block}
a{color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
h1,h2,h3{font-family:var(--head);line-height:1.12;margin:0;letter-spacing:-.01em}
h1{font-weight:700;font-size:clamp(2.3rem,5.6vw,4.4rem);letter-spacing:-.025em}
h2{font-weight:700;font-size:clamp(1.8rem,3.4vw,2.7rem)}
h3{font-weight:600;font-size:1.25rem}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--paper);padding:10px 16px;z-index:100}
.skip:focus{left:12px;top:12px}

/* barra marchio */
.brandbar{border-bottom:1px solid var(--line);font-size:.875rem;color:var(--muted)}
.brandbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px;flex-wrap:wrap}
.brandbar a{color:var(--ink);font-weight:500;text-decoration:none}
.brandbar a:hover{text-decoration:underline}

/* header */
.site-head{position:relative;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;padding-top:14px;padding-bottom:14px}
.logo img{height:130px;width:auto}
.nav{display:flex;align-items:center;gap:24px}
.nav a{text-decoration:none;font-weight:500;font-size:.98rem;white-space:nowrap}
.nav a:hover{text-decoration:underline;text-underline-offset:5px}
.menu-btn{display:none;background:none;border:1.5px solid var(--ink);border-radius:8px;font:600 .95rem var(--body);padding:10px 14px;cursor:pointer;color:var(--ink);min-height:44px}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:8px;font:600 1rem var(--body);text-decoration:none;border:2px solid var(--ink);cursor:pointer;transition:background .15s,color .15s}
.btn-solid{background:var(--ink);color:var(--paper)}
.btn-solid:hover{background:var(--paper);color:var(--ink)}
.btn-line{background:var(--paper);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:var(--paper)}

/* hero */
.hero{padding:84px 0 0;overflow:hidden}
.hero .lead{font-size:clamp(1.1rem,1.6vw,1.3rem);color:var(--muted);max-width:44ch;margin-top:24px}
.hero h1{max-width:16ch}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}
.cables{margin-top:72px;width:100%;height:auto}
.cables .run{fill:none;stroke:var(--ink);stroke-width:5;stroke-linecap:round}
.cables .node{fill:var(--ink)}
.cables text{font-family:var(--body);font-size:15px;font-weight:500;fill:var(--ink)}
@media (prefers-reduced-motion:no-preference){
  .cables .run{stroke-dasharray:1400;stroke-dashoffset:1400;animation:draw 1.6s cubic-bezier(.6,0,.2,1) forwards}
  .cables .run:nth-of-type(2){animation-delay:.18s}
  .cables .run:nth-of-type(3){animation-delay:.36s}
  .cables .node,.cables text{opacity:0;animation:show .4s ease forwards 1.6s}
  @keyframes draw{to{stroke-dashoffset:0}}
  @keyframes show{to{opacity:1}}
}
.facts{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr)}
.facts li{padding:22px 24px 22px 0;font-size:.98rem;color:var(--muted)}
.facts li strong{display:block;color:var(--ink);font-family:var(--head);font-weight:600;font-size:1.05rem}

/* sezioni */
.section{padding:104px 0}
.section-head{max-width:720px;margin-bottom:56px}
.section-head p{color:var(--muted);margin-top:18px;font-size:1.12rem}
.alt{background:var(--wash)}

.services{display:grid;grid-template-columns:repeat(4,1fr);gap:0 36px}
.service{border-top:2px solid var(--ink);padding:26px 0 44px}
.service p{color:var(--muted);margin-top:10px}
.service ul{margin:14px 0 0;padding-left:18px;color:var(--muted);font-size:.97rem}

.cert{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.cert ul{margin:24px 0 0;padding:0;list-style:none}
.cert li{padding:14px 0;border-bottom:1px solid var(--line)}
.cert li strong{font-weight:600}
.report{border:2px solid var(--ink);border-radius:10px;background:var(--paper);overflow:hidden}
.report header{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:18px 22px;border-bottom:2px solid var(--ink);flex-wrap:wrap}
.report header h3{font-size:1.05rem}
.report header span{font-size:.85rem;color:var(--muted)}
.report .scroll{overflow-x:auto}
.report table{width:100%;border-collapse:collapse;font-size:.95rem;font-variant-numeric:tabular-nums}
.report th,.report td{padding:12px 22px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.report th{font-weight:600}
.report tr:last-child td{border-bottom:0}
.ok{font-weight:600}
.report footer{padding:14px 22px;border-top:2px solid var(--ink);font-size:.88rem;color:var(--muted)}

.sectors{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 48px}
.sectors div{padding-left:18px;border-left:2px solid var(--ink)}
.sectors p{color:var(--muted);margin-top:6px}
.partner{margin-top:64px;padding:40px;border:2px solid var(--ink);border-radius:10px;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.partner p{color:var(--muted);margin-top:12px}

.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:40px;counter-reset:s}
.steps li{counter-increment:s}
.steps li::before{content:counter(s);display:flex;align-items:center;justify-content:center;width:48px;height:48px;border:2px solid var(--ink);border-radius:50%;font:700 1.15rem var(--head);margin-bottom:20px}
.steps p{color:var(--muted);margin-top:8px}

.areas{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.areas p+p{margin-top:16px}
.areas .muted{color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;list-style:none}
.chips li{border:1.5px solid var(--ink);border-radius:999px;padding:7px 16px;font-size:.95rem}

.faq{max-width:820px}
.faq details{border-top:1px solid var(--ink)}
.faq details:last-child{border-bottom:1px solid var(--ink)}
.faq summary{cursor:pointer;list-style:none;padding:22px 44px 22px 0;font:600 1.1rem var(--head);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:16px;font:400 1.8rem var(--body)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 24px;color:var(--muted);max-width:68ch}

.contact{display:grid;grid-template-columns:1fr 1.15fr;gap:64px}
.contact dl{margin:28px 0 0}
.contact dt{font-weight:600;margin-top:18px}
.contact dd{margin:2px 0 0;color:var(--muted)}
.contact dd a{color:var(--ink);font-weight:500}
form{display:grid;gap:18px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
label{display:block;font-weight:600;font-size:.95rem;margin-bottom:6px}
input,textarea,select{width:100%;font:inherit;color:var(--ink);background:var(--paper);border:1.5px solid var(--ink);border-radius:8px;padding:12px 14px;min-height:48px}
textarea{min-height:150px;resize:vertical}
.check{display:flex;gap:12px;align-items:flex-start;font-size:.93rem;color:var(--muted)}
.check input{width:22px;min-height:22px;height:22px;margin-top:2px;flex:none;accent-color:#000}
.check label{font-weight:400;margin:0}
.hp{position:absolute;left:-5000px}
.notice{padding:14px 18px;border:2px solid var(--ink);border-radius:8px;font-weight:500}

.kw{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 48px}
.kw h3{font-size:1.08rem;padding-bottom:12px;border-bottom:2px solid var(--ink)}
.kw ul{list-style:none;margin:12px 0 0;padding:0}
.kw li{padding:7px 0;border-bottom:1px solid var(--line);font-size:.96rem;color:var(--muted)}

.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center}
.hero-photo{margin:0}
.hero-photo img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;border-radius:10px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.gallery figure{margin:0}
.gallery img{width:100%;height:340px;object-fit:cover;border-radius:10px;background:var(--line)}
.gallery .wide{grid-column:span 2}
.gallery figcaption{margin-top:10px;font-size:.95rem;font-weight:500}

/* footer */
.site-foot{border-top:2px solid var(--ink);padding:56px 0 40px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:48px}
.parent{display:flex;gap:18px;align-items:center}
.parent img{width:120px;height:auto}
.parent p{font-size:.95rem;color:var(--muted)}
.parent strong{color:var(--ink)}
.site-foot h2{font-size:1rem;font-family:var(--head);font-weight:600;margin-bottom:12px}
.site-foot ul{list-style:none;margin:0;padding:0;font-size:.95rem}
.site-foot li{margin:6px 0}
.site-foot a{text-decoration:none}
.site-foot a:hover{text-decoration:underline}
.legal{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);font-size:.85rem;color:var(--muted);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

.page{padding:72px 0 104px}
.page .prose{max-width:760px}
.page .prose h2{font-size:1.4rem;margin:40px 0 12px}
.page .prose p,.page .prose li{color:var(--muted)}
.page .prose p+p{margin-top:12px}

@media (max-width:1080px){
  .menu-btn{display:inline-flex;align-items:center}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);border-bottom:2px solid var(--ink);flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 20px}
  .nav.open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:14px;border-bottom:2px solid var(--ink)}
}
@media (max-width:980px){
  .services,.sectors,.kw{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .cert,.areas,.contact,.partner,.hero-grid{grid-template-columns:1fr}
  .hero-photo img{aspect-ratio:16/10}
  .gallery{grid-template-columns:1fr 1fr}
  .facts ul{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .parent{grid-column:1/-1}
}
@media (max-width:760px){
  .logo img{height:92px}
  .section{padding:72px 0}
  .hero{padding-top:56px}
  .services,.sectors,.steps,.row2,.foot-grid,.kw,.gallery{grid-template-columns:1fr}
  .gallery .wide{grid-column:auto}
  .gallery img{height:260px}
  .partner{padding:26px}
  .cables text{display:none}
  .cables{margin-top:48px}
}
@media (max-width:480px){.facts ul{grid-template-columns:1fr}}