:root{
  --navy:#0b1f3a;--navy-2:#071528;--navy-3:#12305a;
  --sun:#f5a623;--orange:#ff7a1a;--white:#fff;
  --ink:#0f1b2d;--muted:#5b6b82;--line:#e3e8ef;--bg-alt:#f4f7fb;
  --radius:16px;--shadow:0 10px 30px rgba(7,21,40,.08);
  --fh:"Space Grotesk",system-ui,sans-serif;--fb:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font-family:var(--fb);color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--fh);line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em}
h2{font-size:clamp(1.8rem,3.4vw,2.7rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.container{width:min(1180px,100% - 40px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--sun);color:var(--navy);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.eyebrow{font-family:var(--fh);text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;font-weight:600;color:var(--orange);margin-bottom:.9em;display:flex;align-items:center;gap:.6em}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.55em;padding:.95em 1.5em;border-radius:999px;font-weight:600;text-decoration:none;border:2px solid transparent;transition:transform .2s,box-shadow .2s,background .2s;font-size:1rem;white-space:nowrap}
.btn svg{width:20px;height:20px;flex:none}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--sun),var(--orange));color:var(--navy-2);box-shadow:0 8px 24px rgba(255,122,26,.35)}
.btn-wa{background:#25d366;color:#05301a;box-shadow:0 8px 24px rgba(37,211,102,.3)}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.06);backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:var(--sun)}
.btn-dark{background:var(--navy-2);color:#fff}
.btn-sm{padding:.6em 1.1em;font-size:.9rem}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:1.6em 0}

/* header */
.site-header{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s;background:linear-gradient(rgba(7,21,40,.75),rgba(7,21,40,0))}
.site-header.scrolled{background:rgba(7,21,40,.96);box-shadow:0 4px 20px rgba(0,0,0,.25);backdrop-filter:blur(8px)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand img{height:54px;width:auto}
.nav{display:flex;gap:26px}
.nav a{color:#dfe7f2;text-decoration:none;font-weight:500;font-size:.95rem;position:relative}
.nav a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--sun);transition:width .25s}
.nav a:hover{color:#fff}.nav a:hover::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}
.lang{display:flex;border:1px solid rgba(255,255,255,.3);border-radius:999px;overflow:hidden}
.lang button{background:transparent;border:0;color:#cfd9e6;padding:6px 11px;font-weight:600;font-size:.8rem;cursor:pointer;font-family:var(--fh)}
.lang button[aria-pressed="true"]{background:var(--sun);color:var(--navy-2)}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;padding:8px}
.burger span{display:block;height:2px;background:#fff;margin:5px 0;transition:.25s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* hero */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--navy-2);padding:120px 0 80px}
.hero-bg{position:absolute;inset:0;background:url(../img/hero-cantiere.jpg) 60% 35%/cover no-repeat;background-image:image-set(url(../img/hero-cantiere.webp) type("image/webp"),url(../img/hero-cantiere.jpg) type("image/jpeg"));transform:scale(1.05);animation:zoom 18s ease-out forwards}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,21,40,.95) 0%,rgba(7,21,40,.78) 45%,rgba(7,21,40,.3) 100%),linear-gradient(0deg,rgba(7,21,40,.9),transparent 40%)}
@keyframes zoom{to{transform:scale(1)}}
.hero-inner{position:relative;max-width:1180px}
.hero h1{font-size:clamp(2.4rem,5.6vw,4.4rem);max-width:15ch;font-weight:700}
.hl{background:linear-gradient(90deg,var(--sun),var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:#d5deea;max-width:58ch}
.hero-tags{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.hero-tags li{border:1px solid rgba(255,255,255,.22);padding:.4em .95em;border-radius:999px;font-size:.88rem;color:#e6edf6;background:rgba(255,255,255,.05)}
.hero-tags li::before{content:"☀";color:var(--sun);margin-right:.45em}

/* kpis */
.kpis{background:var(--navy);color:#fff;position:relative;z-index:2}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.kpi{padding:34px 26px;border-left:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;gap:6px}
.kpi:last-child{border-right:1px solid rgba(255,255,255,.1)}
.kpi-label{font-family:var(--fh);text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;color:var(--sun)}
.kpi strong{font-family:var(--fh);font-size:1.45rem;line-height:1.2;font-weight:600}
.kpi .kpi-big{font-size:3rem;color:var(--orange);line-height:1}

/* sections */
.section{padding:clamp(70px,9vw,120px) 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:radial-gradient(1200px 500px at 85% 0%,#163a6b 0%,transparent 60%),var(--navy-2);color:#fff}
.section-dark p{color:#c7d3e3}
.sec-head{max-width:820px;margin-bottom:48px}
.sec-head p:not(.eyebrow){color:var(--muted);font-size:1.1rem}

.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,var(--sun),var(--orange));transform:scaleX(0);transform-origin:left;transition:transform .35s}
.card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(7,21,40,.12);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.ico{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,var(--navy),var(--navy-3));display:grid;place-items:center;margin-bottom:20px}
.ico svg{width:28px;height:28px;fill:none;stroke:var(--sun);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.num{position:absolute;top:24px;right:26px;font-family:var(--fh);font-weight:700;font-size:2.2rem;color:#eef2f7}
.svc p{color:var(--muted);margin:0}

/* why */
.why-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.why-media{position:relative}
.why-media img{border-radius:22px;aspect-ratio:1/1.05;max-height:580px;object-fit:cover;width:100%;box-shadow:0 30px 60px rgba(0,0,0,.4)}
.badge-100{position:absolute;right:-18px;bottom:30px;background:linear-gradient(135deg,var(--sun),var(--orange));color:var(--navy-2);padding:18px 24px;border-radius:16px;box-shadow:0 14px 30px rgba(0,0,0,.35);text-align:center}
.badge-100 strong{display:block;font-family:var(--fh);font-size:2.2rem;line-height:1}
.badge-100 span{font-weight:600;font-size:.9rem}
.why-list{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:22px}
.why-list li{padding-left:56px;position:relative}
.why-list li::before{content:"";position:absolute;left:0;top:2px;width:36px;height:36px;border-radius:50%;background:rgba(245,166,35,.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f5a623' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/18px no-repeat;border:1px solid rgba(245,166,35,.4)}
.why-list h3{margin-bottom:.25em}
.why-list p{margin:0}

/* quality table */
.q-table{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.q-row{display:grid;grid-template-columns:1fr 1.2fr 1.2fr;gap:20px;padding:22px 28px;border-top:1px solid var(--line);align-items:center}
.q-row:first-child{border-top:0}
.q-row span:first-child{font-family:var(--fh);font-weight:600}
.q-row span:nth-child(2){color:var(--muted)}
.q-row span:last-child{font-weight:600;color:var(--navy)}
.q-row span:last-child::before{content:"✓";display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--sun);color:var(--navy-2);font-size:.75rem;margin-right:10px}
.q-head{background:var(--navy);color:#fff}
.q-head span{font-family:var(--fh);text-transform:uppercase;letter-spacing:.12em;font-size:.75rem;color:var(--sun)!important;font-weight:600}
.q-head span:last-child::before{display:none}
.q-row:not(.q-head):hover{background:#fffaf0}

/* steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:s;position:relative}
.steps::before{content:"";position:absolute;top:28px;left:8%;right:8%;height:2px;background:repeating-linear-gradient(90deg,var(--sun) 0 8px,transparent 8px 16px);z-index:0}
.steps li{position:relative;z-index:1;background:#fff;border-radius:var(--radius);padding:0 20px 24px;border:1px solid var(--line);text-align:center}
.step-n{display:inline-grid;place-items:center;width:56px;height:56px;border-radius:50%;background:var(--navy);color:var(--sun);font-family:var(--fh);font-weight:700;font-size:1.1rem;border:4px solid var(--bg-alt);margin:0 auto 14px;position:relative;top:0}
.steps li{padding-top:22px;margin-top:0}
.steps::before{top:50px}
.steps h3{font-size:1.08rem}
.steps p{color:var(--muted);margin:0;font-size:.95rem}

/* area */
.area-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.lead-sm{font-size:1.1rem}
.area-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:28px 0}
.area-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:22px}
.area-card p{margin:0;font-size:.95rem}
.flag{display:block;width:36px;height:24px;border-radius:4px;margin-bottom:14px}
.flag.it{background:linear-gradient(90deg,#009246 33.3%,#fff 33.3% 66.6%,#ce2b37 66.6%)}
.flag.eu{background:#003399 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 36 24'%3E%3Cg fill='%23ffcc00'%3E%3Ccircle cx='18' cy='5' r='1.3'/%3E%3Ccircle cx='18' cy='19' r='1.3'/%3E%3Ccircle cx='11' cy='12' r='1.3'/%3E%3Ccircle cx='25' cy='12' r='1.3'/%3E%3Ccircle cx='13' cy='7' r='1.3'/%3E%3Ccircle cx='23' cy='7' r='1.3'/%3E%3Ccircle cx='13' cy='17' r='1.3'/%3E%3Ccircle cx='23' cy='17' r='1.3'/%3E%3C/g%3E%3C/svg%3E") center/cover}
.types{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.types li{padding:.45em 1em;border-radius:999px;background:rgba(245,166,35,.12);color:var(--sun);font-weight:500;font-size:.9rem;border:1px solid rgba(245,166,35,.3)}
.map svg{width:100%;max-width:440px;margin-inline:auto;display:block}
.pulse{transform-origin:200px 200px;animation:pulse 2.4s ease-out infinite}
@keyframes pulse{from{transform:scale(1);opacity:1}to{transform:scale(2.6);opacity:0}}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:260px;gap:16px}
.g-item{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;background:var(--navy)}
.g-tall{grid-row:span 2;grid-column:span 2}
.g-port{grid-row:span 2}
.g-open{all:unset;cursor:zoom-in;display:block;width:100%;height:100%}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.g-item:hover img{transform:scale(1.06)}
.g-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:40px 18px 16px;background:linear-gradient(transparent,rgba(7,21,40,.9));color:#fff;font-family:var(--fh);font-weight:600;pointer-events:none}
.lightbox{position:fixed;inset:0;background:rgba(4,12,24,.92);z-index:200;display:grid;place-items:center;padding:24px}
.lightbox[hidden]{display:none}
.lightbox img{max-height:90vh;max-width:92vw;border-radius:12px}
.lb-close{position:absolute;top:16px;right:20px;background:none;border:0;color:#fff;font-size:2.4rem;cursor:pointer;line-height:1}

/* band */
.band{background:linear-gradient(120deg,var(--sun),var(--orange));color:var(--navy-2);padding:56px 0}
.band-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.band h2{margin-bottom:.2em}
.band p{margin:0;font-weight:500}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.muted{color:var(--muted);font-size:1.1rem}
.person{display:flex;align-items:center;gap:16px;margin-top:28px}
.avatar{width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--navy-3));color:var(--sun);display:grid;place-items:center;font-family:var(--fh);font-size:1.5rem;font-weight:700}
.person strong{display:block;font-family:var(--fh);font-size:1.3rem}
.person span{color:var(--muted);font-size:.95rem}
.contact-card{background:var(--navy-2);color:#fff;border-radius:22px;padding:36px;box-shadow:0 30px 60px rgba(7,21,40,.25);position:relative;overflow:hidden}
.contact-card::after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-90px;top:-90px;background:radial-gradient(circle,rgba(245,166,35,.35),transparent 70%)}
.contact-card dl{margin:0;display:grid;gap:20px;position:relative;z-index:1}
.contact-card dt{font-family:var(--fh);text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;color:var(--sun);margin-bottom:4px}
.contact-card dd{margin:0;font-size:1.05rem}
.contact-card a{text-decoration:none;border-bottom:1px solid rgba(245,166,35,.5)}
.contact-card a:hover{color:var(--sun)}

/* footer */
.footer{background:#040d1a;color:#8ea0b8;padding:40px 0;font-size:.9rem}
.foot-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.foot-inner p{margin:0}
.foot-inner img{height:90px;width:auto}

.wa-float{position:fixed;right:20px;bottom:20px;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px rgba(0,0,0,.3);z-index:60;transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}

/* responsive */
@media (max-width:1080px){
  .nav{gap:18px}.nav a{font-size:.88rem}
  .nav-cta{display:none}
}
@media (max-width:960px){
  .burger{display:block}
  .nav{position:fixed;top:72px;left:0;right:0;flex-direction:column;gap:0;background:rgba(7,21,40,.98);padding:10px 20px 24px;transform:translateY(-120%);transition:transform .3s;box-shadow:0 20px 30px rgba(0,0,0,.3)}
  .nav.open{transform:none}
  .nav a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:1.05rem}
  .nav a::after{display:none}
  .svc-grid{grid-template-columns:1fr 1fr}
  .kpi-grid{grid-template-columns:1fr 1fr}
  .kpi{border-bottom:1px solid rgba(255,255,255,.1)}
  .why-grid,.area-grid,.contact-grid{grid-template-columns:1fr;gap:44px}
  .why-media{max-width:520px}
  .badge-100{right:16px}
  .steps{grid-template-columns:1fr;gap:14px}
  .steps::before{top:0;bottom:0;left:47px;right:auto;width:2px;height:auto;background:repeating-linear-gradient(180deg,var(--sun) 0 8px,transparent 8px 16px)}
  .steps li{display:grid;grid-template-columns:56px 1fr;column-gap:18px;text-align:left;padding:18px;align-items:center}
  .step-n{grid-row:span 2;margin:0}
  .steps h3{margin:0}
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:220px}
  .map{max-width:360px;margin-inline:auto}
}
@media (max-width:600px){
  .container{width:min(100% - 32px,1180px)}
  .hero{padding:110px 0 60px;min-height:auto}
  .hero-bg::after{background:linear-gradient(180deg,rgba(7,21,40,.75),rgba(7,21,40,.92))}
  .cta-row .btn{width:100%;justify-content:center}
  .svc-grid{grid-template-columns:1fr}
  .kpi{padding:24px 16px}
  .kpi strong{font-size:1.1rem}
  .kpi .kpi-big{font-size:2.3rem}
  .q-head{display:none}
  .q-row{grid-template-columns:1fr;gap:4px;padding:18px 20px}
  .area-cards{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:180px;gap:10px}
  .g-tall{grid-column:span 2}
  .contact-card{padding:26px}
  .band-inner .btn{width:100%;justify-content:center}
  .brand img{height:42px}
  .foot-inner{flex-direction:column;align-items:flex-start}
}
.section-dark .eyebrow{color:var(--sun)}
@media (max-width:600px){.eyebrow{letter-spacing:.12em;font-size:.72rem}}

@media (max-width:1280px){.hero-bg{background-image:url(../img/hero-cantiere-sm.jpg);background-image:image-set(url(../img/hero-cantiere-sm.webp) type("image/webp"),url(../img/hero-cantiere-sm.jpg) type("image/jpeg"))}}
@media (min-width:1281px){.hero-bg{background-image:image-set(url(../img/hero-cantiere.webp) type("image/webp"),url(../img/hero-cantiere.jpg) type("image/jpeg"))}}
.infographic{margin:40px 0 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.infographic .g-open{cursor:zoom-in}
.infographic img{width:100%;height:auto}
.infographic figcaption{padding:12px 18px;font-size:.88rem;color:var(--muted)}
.gallery picture{display:block;width:100%;height:100%}
.sec-head p:not(.eyebrow){margin-top:-.2em}
@media (max-width:960px){.g-port{grid-row:span 2}}
@media (max-width:600px){.gallery{grid-auto-rows:170px}.g-port{grid-row:span 2}}

/* numbers strip */
.kpis{background:linear-gradient(180deg,var(--navy),#0d2546);border-top:3px solid var(--sun)}
.kpi{padding:36px 26px;gap:4px}
.kpi .kpi-big{font-size:clamp(2.6rem,4.4vw,3.6rem);color:var(--sun);line-height:1;letter-spacing:-.02em;font-weight:700}
.kpi .kpi-big small{font-size:.5em;color:#fff;margin-left:.18em}
.kpi > span:last-child{color:#c7d3e3;font-size:.95rem;line-height:1.4}
/* regions + map */
.reg-title{font-size:.8rem;text-transform:uppercase;letter-spacing:.14em;color:var(--sun);margin:26px 0 12px}
.regions{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.regions li{background:var(--sun);color:var(--navy-2);font-weight:600;padding:.4em .9em;border-radius:999px;font-size:.9rem}
.map{margin:0}
.italy{width:100%;max-width:440px;height:auto;display:block;margin-inline:auto;filter:drop-shadow(0 20px 40px rgba(0,0,0,.35))}
.italy .reg{fill:#1a3358;stroke:#071528;stroke-width:1;transition:fill .2s}
.italy .reg.on{fill:var(--sun)}
.italy .reg.on:hover{fill:var(--orange)}
.italy .hq-dot{fill:#fff;stroke:var(--navy-2);stroke-width:2}
.italy .pulse{fill:none;stroke:#fff;stroke-width:2;transform-box:fill-box;transform-origin:center}
.italy text{fill:#fff;font-family:var(--fh);font-size:15px;font-weight:600;paint-order:stroke;stroke:#071528;stroke-width:3px}
.map figcaption{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:16px;color:#c7d3e3;font-size:.9rem;flex-wrap:wrap}
.legend-sw{width:14px;height:14px;border-radius:3px;background:var(--sun)}
.map figcaption small{flex-basis:100%;text-align:center;color:#6f819b;font-size:.72rem}
.area-cards{margin:24px 0 0}
@media (max-width:1100px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.svc-grid{grid-template-columns:1fr}.kpi{padding:22px 14px}.kpi > span:last-child{font-size:.85rem}.italy{max-width:330px}}