/* FA.PA. Impianti — sito statico */
:root{
  --orange:#f58323; --orange-dark:#d96a0e;
  --ink:#1d2228; --ink-2:#3a424c; --muted:#6b747f;
  --dark:#15191e; --dark-2:#20262d;
  --line:#e6e8eb; --soft:#f5f6f7; --white:#fff;
  --radius:6px; --max:1180px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;font-family:var(--font);color:var(--ink-2);background:var(--white);line-height:1.65;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:var(--orange-dark)}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;margin:0 0 .6em}
h2{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section.soft{background:var(--soft)}
.eyebrow{display:inline-block;color:var(--orange);font-weight:700;text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;margin-bottom:.5rem}
.title-bar::after{content:"";display:block;width:56px;height:4px;background:var(--orange);margin-top:14px;border-radius:2px}
.center{text-align:center}.center .title-bar::after{margin-left:auto;margin-right:auto}
.lead{font-size:1.1rem;color:var(--muted);max-width:720px}
.center .lead{margin-left:auto;margin-right:auto}

.btn{display:inline-flex;align-items:center;gap:.5em;padding:.85em 1.6em;border-radius:var(--radius);font-weight:700;text-decoration:none;border:2px solid var(--orange);background:var(--orange);color:#fff;cursor:pointer;font-size:1rem;transition:background .2s,color .2s}
.btn:hover{background:var(--orange-dark);border-color:var(--orange-dark)}
.btn.ghost{background:transparent;color:#fff;border-color:#fff}
.btn.ghost:hover{background:#fff;color:var(--ink)}
.btn.outline{background:transparent;color:var(--orange-dark)}
.btn.outline:hover{background:var(--orange);color:#fff}

/* Top bar */
.topbar{background:var(--dark);color:#c9ced4;font-size:.85rem}
.topbar .container{display:flex;flex-wrap:wrap;gap:6px 24px;justify-content:space-between;padding-top:8px;padding-bottom:8px}
.topbar span,.topbar a{color:inherit;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.topbar a:hover{color:#fff}
.topbar .ico{width:14px;height:14px;fill:var(--orange)}

/* Header */
.header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 0 var(--line)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo img{height:46px;width:auto}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px}
.nav a{display:block;padding:10px 12px;color:var(--ink);text-decoration:none;font-weight:600;font-size:.95rem;border-radius:4px}
.nav a:hover,.nav a[aria-current="page"]{color:var(--orange-dark)}
.nav .call{background:var(--orange);color:#fff;margin-left:8px}
.nav .call:hover{background:var(--orange-dark);color:#fff}
.menu-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.menu-toggle span{display:block;width:26px;height:3px;background:var(--ink);margin:5px 0;border-radius:2px}
@media (max-width:960px){
  .menu-toggle{display:block}
  .nav{position:absolute;top:78px;left:0;right:0;background:#fff;border-top:1px solid var(--line);box-shadow:0 10px 20px rgba(0,0,0,.08);display:none}
  .nav.open{display:block}
  .nav ul{flex-direction:column;padding:10px 20px 20px}
  .nav .call{margin:8px 0 0;text-align:center}
}

/* Hero */
.hero{position:relative;height:clamp(460px,72vh,680px);overflow:hidden;background:var(--dark)}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease}
.slide.active{opacity:1}
.slide img{width:100%;height:100%;object-fit:cover}
.slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,18,22,.85) 0%,rgba(15,18,22,.55) 55%,rgba(15,18,22,.25) 100%)}
.slide .caption{position:absolute;inset:0;z-index:2;display:flex;align-items:center}
.caption .inner{max-width:640px}
.caption h1,.caption h2{color:#fff;font-size:clamp(2rem,5vw,3.4rem);font-weight:800;margin-bottom:.35em}
.caption p{color:#e4e7ea;font-size:clamp(1.05rem,2vw,1.35rem);margin:0 0 1.6em}
.caption .btns{display:flex;flex-wrap:wrap;gap:12px}
.dots{position:absolute;z-index:3;bottom:26px;left:50%;transform:translateX(-50%);display:flex;gap:10px}
.dots button{width:12px;height:12px;border-radius:50%;border:2px solid #fff;background:transparent;padding:0;cursor:pointer}
.dots button.active{background:var(--orange);border-color:var(--orange)}

/* Page hero */
.page-hero{position:relative;padding:90px 0 70px;background:var(--dark) center/cover no-repeat;color:#fff}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(15,18,22,.72)}
.page-hero .container{position:relative}
.page-hero h1{color:#fff;font-size:clamp(2rem,4.5vw,3rem);margin:0}
.crumbs{color:#c9ced4;font-size:.9rem;margin-top:10px}
.crumbs a{color:#fff;text-decoration:none}

/* Grid helpers */
.grid{display:grid;gap:28px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:960px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}.section{padding:60px 0}}

/* About */
.about{align-items:center;grid-template-columns:1.1fr .9fr;gap:56px}
@media (max-width:960px){.about{grid-template-columns:1fr}}
.checklist{list-style:none;padding:0;margin:1.2em 0 1.6em}
.checklist li{position:relative;padding-left:32px;margin-bottom:.65em}
.checklist li::before{content:"";position:absolute;left:0;top:.3em;width:20px;height:20px;border-radius:50%;background:var(--orange) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat}
.about-media{position:relative}
.about-media img{border-radius:var(--radius);box-shadow:0 20px 40px rgba(0,0,0,.15)}
.about-badge{position:absolute;left:-18px;bottom:-18px;background:var(--orange);color:#fff;padding:18px 22px;border-radius:var(--radius);font-weight:800;line-height:1.15;box-shadow:0 10px 25px rgba(245,131,35,.35)}
.about-badge strong{display:block;font-size:2rem}
@media (max-width:640px){.about-badge{left:12px;bottom:12px}}

/* Sector cards */
.sector{position:relative;border-radius:var(--radius);overflow:hidden;display:block;color:#fff;text-decoration:none;aspect-ratio:7/5}
.sector img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.sector:hover img{transform:scale(1.06)}
.sector::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,18,22,.85),rgba(15,18,22,0) 60%)}
.sector .label{position:absolute;z-index:2;left:24px;right:24px;bottom:20px}
.sector h3{color:#fff;font-size:1.4rem;margin:0}
.sector p{margin:.2em 0 0;color:#e4e7ea;font-size:.95rem}

/* Services */
.service{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:border-color .2s,box-shadow .2s,transform .2s}
.service:hover{border-color:var(--orange);box-shadow:0 14px 30px rgba(0,0,0,.07);transform:translateY(-3px)}
.service .ico{width:54px;height:54px;border-radius:50%;background:rgba(245,131,35,.12);display:grid;place-items:center;margin-bottom:16px}
.service .ico svg{width:28px;height:28px;stroke:var(--orange-dark);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.service p{margin:0;color:var(--muted)}
.services-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px}
.services-head .phone{font-size:1.5rem;font-weight:800;color:var(--ink);text-decoration:none}
.services-head .phone small{display:block;font-size:.8rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}

/* CTA band */
.band{background:var(--orange);color:#fff;padding:50px 0}
.band .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.band h2{color:#fff;margin:0 0 .2em;font-size:clamp(1.4rem,2.6vw,2rem)}
.band p{margin:0;color:#fff;opacity:.92}
.band .btn{background:var(--dark);border-color:var(--dark)}
.band .btn:hover{background:#000;border-color:#000}

/* Offers */
.offer{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;display:flex;flex-direction:column}
.offer .tag{align-self:flex-start;background:var(--dark);color:#fff;font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:4px 10px;border-radius:3px;margin-bottom:14px}
.offer ul{padding-left:1.1em;margin:0 0 22px;color:var(--muted)}
.offer ul li{margin-bottom:.35em}
.offer .btn{margin-top:auto;align-self:flex-start}

/* Counters */
.counters{background:var(--dark-2) url("../img/hero-industria.jpg") center/cover;position:relative;color:#fff}
.counters::before{content:"";position:absolute;inset:0;background:rgba(21,25,30,.88)}
.counters .container{position:relative}
.counter{text-align:center}
.counter strong{display:block;font-size:clamp(2.2rem,4vw,3rem);font-weight:800;color:var(--orange);line-height:1.1}
.counter span{color:#d3d7dc}

/* News */
.post{display:grid;grid-template-columns:160px 1fr;gap:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;align-items:start}
.post img{border-radius:4px;width:160px;height:160px;object-fit:cover}
.post time{display:block;color:var(--orange-dark);font-weight:700;font-size:.85rem;margin-bottom:6px}
.post p{margin:0 0 12px;color:var(--muted);font-size:.95rem}
@media (max-width:640px){.post{grid-template-columns:1fr}.post img{width:100%;height:200px}}

/* Partner */
.partner{display:inline-block;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;max-width:520px}
.partner:hover{border-color:var(--orange)}

/* Features (azienda) */
.feature{display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line)}
.feature:last-child{border-bottom:0}
.feature .num{flex:0 0 42px;height:42px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;font-weight:800}
.feature h3{margin:0;align-self:center}
.prose p{margin:0 0 1.1em}
.prose strong{color:var(--ink)}

/* Contact */
.contact-grid{grid-template-columns:1.2fr .8fr;gap:48px}
@media (max-width:960px){.contact-grid{grid-template-columns:1fr}}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:640px){form .row{grid-template-columns:1fr}}
label{display:block;font-weight:600;color:var(--ink);font-size:.9rem;margin-bottom:6px}
input,select,textarea{width:100%;font:inherit;padding:.75em .9em;border:1px solid #cfd4da;border-radius:var(--radius);background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--orange);outline-offset:1px;border-color:var(--orange)}
.field{margin-bottom:16px}
.consent{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.88rem;color:var(--muted)}
.consent input{width:auto;margin-top:.3em}
.hp{position:absolute;left:-9999px}
.info-card{background:var(--dark);color:#d3d7dc;border-radius:var(--radius);padding:32px}
.info-card h3{color:#fff}
.info-card dl{margin:0}
.info-card dt{color:var(--orange);font-weight:700;font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;margin-top:18px}
.info-card dd{margin:4px 0 0}
.info-card a{color:#fff}
.info-card.light{background:var(--soft);color:var(--ink-2)}
.info-card.light h3{color:var(--ink)}
.map-link{display:block;margin-top:24px}

/* Footer */
.footer{background:var(--dark);color:#aeb5bd;font-size:.95rem}
.footer .top{padding:60px 0 40px}
.footer h4{color:#fff;font-size:1rem;margin-bottom:1em}
.footer a{color:#d3d7dc;text-decoration:none}
.footer a:hover{color:var(--orange)}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:.5em}
.footer .logo-foot{background:#fff;display:inline-block;padding:10px 14px;border-radius:var(--radius);margin-bottom:16px}
.footer .logo-foot img{height:38px;width:auto}
.footer .emergency{display:inline-block;margin-top:10px;background:var(--orange);color:#fff;padding:6px 12px;border-radius:4px;font-weight:700;font-size:.85rem}
.footer .bottom{border-top:1px solid #2c333b;padding:18px 0;font-size:.85rem}
.footer .bottom .container{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}

/* WhatsApp */
.wa{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 8px 20px rgba(0,0,0,.25);transition:transform .2s}
.wa:hover{transform:scale(1.08)}
.wa svg{width:32px;height:32px;fill:#fff}

.notice{padding:14px 18px;border-radius:var(--radius);margin-bottom:18px;background:#eaf7ee;color:#1f6b36;border:1px solid #bfe5cb}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}