:root{
  --ink:#0f172a;
  --muted:#5b6474;
  --brand:#0b5fb3;
  --brand-dark:#083b72;
  --accent:#20a9d8;
  --surface:#ffffff;
  --soft:#f4f8fc;
  --line:#dce6f1;
  --shadow:0 20px 60px rgba(15,43,78,.12);
  --radius:22px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
img{max-width:100%;display:block}
a{color:inherit}
.container{width:min(var(--max),calc(100% - 36px));margin:auto}
.topbar{background:#071a2d;color:#d8e7f6;font-size:.9rem}
.topbar .container{display:flex;justify-content:space-between;gap:18px;padding:8px 0;flex-wrap:wrap}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,230,241,.8)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:86px;gap:28px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none}
.brand-logo{width:72px;height:60px;object-fit:contain}
.brand-copy strong{display:block;font-size:1.46rem;letter-spacing:.01em}
.brand-copy span{display:block;color:var(--muted);font-size:.79rem;letter-spacing:.03em}
.nav{display:flex;gap:24px;align-items:center}
.nav a{text-decoration:none;font-weight:700;color:#28344a;font-size:.96rem}
.nav a:hover,.nav a.active{color:var(--brand)}
.menu-btn{display:none;background:none;border:0;font-size:1.8rem;color:var(--brand-dark)}
.hero{
  position:relative;min-height:620px;display:grid;align-items:center;overflow:hidden;
  background:url('../immagini/hero-reti.jpg') center/cover no-repeat;
}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,20,38,.90) 0%,rgba(5,20,38,.73) 45%,rgba(5,20,38,.18) 100%)}
.hero::after{content:"";position:absolute;inset:auto 0 0;height:120px;background:linear-gradient(transparent,rgba(5,20,38,.38))}
.hero-content{position:relative;z-index:2;max-width:760px;color:#fff;padding:96px 0 110px}
.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.15em;font-size:.78rem;font-weight:800;color:#7bdcff}
h1{font-size:clamp(2.7rem,6vw,5.5rem);line-height:1.01;letter-spacing:-.05em;margin:.25em 0}
h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.13;letter-spacing:-.03em;margin:0 0 18px}
h3{font-size:1.25rem;margin:0 0 10px}
.lead{font-size:1.18rem;color:#dceaf7;max-width:720px}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;border-radius:12px;text-decoration:none;font-weight:800;border:1px solid transparent;transition:.2s ease}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--accent);color:#06233c}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-outline{border-color:#bfd2e6;color:var(--brand);background:#fff}
.stats{margin-top:-56px;position:relative;z-index:3}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:24px}
.stat strong{display:block;color:var(--brand);font-size:1.25rem;margin-bottom:5px}
.stat span{color:var(--muted)}
section{padding:88px 0}
.section-soft{background:var(--soft)}
.section-head{max-width:780px;margin-bottom:38px}
.section-head p{color:var(--muted);font-size:1.08rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 12px 32px rgba(11,48,88,.06)}
.card .icon{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;background:#eaf5fd;color:var(--brand);font-weight:900;margin-bottom:18px}
.card p{color:var(--muted)}
.feature-split{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.media-card{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:white}
.media-card img{width:100%;height:100%;object-fit:cover}
.checklist{padding:0;margin:24px 0 0;list-style:none}
.checklist li{position:relative;padding-left:30px;margin:12px 0;color:#415067}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;color:var(--accent);font-weight:900}
.band{background:linear-gradient(135deg,var(--brand-dark),#0c5a9a);color:#fff}
.band p{color:#d8e8f7}
.products{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.product{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
.product img{width:100%;height:100%;min-height:280px;object-fit:cover}
.product-body{padding:28px}
.page-hero{background:linear-gradient(135deg,#edf6ff 0%,#fff 65%);padding:72px 0;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(2.5rem,5vw,4.5rem);color:var(--brand-dark)}
.prose{max-width:900px}
.prose p,.prose li{color:#4f5d70}
.contact-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow)}
.info-row{padding:15px 0;border-bottom:1px solid var(--line)}
.info-row:last-child{border-bottom:0}
footer{background:#071a2d;color:#dce8f4;padding:44px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
footer a{color:white}
.small{font-size:.9rem;color:#9fb3c9}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease}
.reveal.visible{opacity:1;transform:none}
@media(max-width:900px){
  .nav{display:none;position:absolute;left:0;right:0;top:86px;background:#fff;border-bottom:1px solid var(--line);padding:18px;flex-direction:column;align-items:flex-start}
  .nav.open{display:flex}
  .menu-btn{display:block}
  .hero{min-height:560px;background-position:62% center}
  .hero::before{background:linear-gradient(90deg,rgba(5,20,38,.93),rgba(5,20,38,.67))}
  .stats-grid,.grid-3,.grid-2,.feature-split,.products,.contact-layout,.footer-grid{grid-template-columns:1fr}
  .product{grid-template-columns:1fr}
  .product img{min-height:220px}
}
@media(max-width:560px){
  .brand-logo{width:58px;height:50px}
  .brand-copy strong{font-size:1.22rem}
  .brand-copy span{font-size:.7rem}
  .topbar .container span:last-child{display:none}
  section{padding:66px 0}
  .hero-content{padding:80px 0 100px}
}