/* ACimpianti – foglio di stile del sito */
:root{
  --ink:#10222E; --ink-2:#3D4C55; --navy:#0D2230; --sand:#F6F3EE; --line:#E2DCD2;
  --accent:#0B6D7A; --accent-dark:#08515B; --aqua:#6FD0DB; --mist:#B9C9D0; --white:#FFFFFF;
  --radius:22px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --display:"Avenir Next","Segoe UI Variable Display","Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--sand);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.55}
img{max-width:100%;display:block}
a{color:var(--accent)}a:hover{color:var(--accent-dark)}
h1,h2,h3{font-family:var(--display);line-height:1.08;margin:0;letter-spacing:-0.015em}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px}
.eyebrow{margin:0 0 12px;font-size:14px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);line-height:1.5}
.h2{font-size:clamp(30px,4vw,50px);font-weight:800}
.lead{font-size:clamp(18px,2vw,20px);color:var(--ink-2)}
.muted{color:var(--ink-2)}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:10px 14px;z-index:99}

/* bottoni */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:14px 26px;border-radius:999px;font-weight:600;text-decoration:none;border:1.5px solid transparent;font-size:16px;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark);color:#fff}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}.btn-outline:hover{background:var(--ink);color:#fff}
.btn-white{background:#fff;color:var(--accent-dark)}.btn-white:hover{background:#E8F5F6;color:var(--accent-dark)}
.btn-ghost-white{border-color:#fff;color:#fff}.btn-ghost-white:hover{background:#fff;color:var(--accent-dark)}
.btn-dark{background:var(--navy);color:#fff}.btn-dark:hover{background:#000;color:#fff}

/* barra alta e intestazione */
.topbar{background:var(--navy);color:#DCE8EC;font-size:14px}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:6px 24px;justify-content:space-between;align-items:center;padding-top:9px;padding-bottom:9px}
.topbar a{color:#fff;text-decoration:none}
.topbar-links{display:flex;gap:20px;flex-wrap:wrap}
.site-header{background:var(--sand);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:12px;padding-bottom:12px}
.logo img{height:56px;width:auto}
.nav{display:flex;gap:6px 24px;align-items:center;flex-wrap:wrap}
.nav a{color:var(--ink);text-decoration:none;font-weight:500;font-size:16px;padding:8px 0}
.nav a:hover{color:var(--accent)}
.menu-btn{display:none;background:none;border:1.5px solid var(--ink);border-radius:12px;min-width:48px;min-height:48px;cursor:pointer;color:var(--ink)}
@media (max-width:1020px){
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--sand);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:8px 20px 20px;gap:0}
  .nav.open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line)}
  .header-cta{display:none}
}

/* sezioni */
section{scroll-margin-top:90px}
.sec{padding:88px 0}
.sec-tight{padding:0 0 88px}
.white{background:#fff}
.dark{background:var(--navy);color:#F6F3EE}
.dark .muted,.dark p{color:var(--mist)}
.section-head{display:flex;flex-wrap:wrap;gap:16px 48px;justify-content:space-between;align-items:flex-end;margin-bottom:44px}
.section-head p{margin:0;max-width:440px}

/* hero */
.hero{padding:64px 0 56px}
.hero .wrap{display:flex;flex-wrap:wrap;gap:48px;align-items:center}
.hero-text{flex:1 1 480px;min-width:0}
.hero-title{font-family:var(--display);font-weight:800;font-size:clamp(40px,5.4vw,70px);line-height:1.02;letter-spacing:-0.02em;margin:0}
.hero-title.small{font-size:clamp(36px,4.8vw,60px)}
.hero .lead{margin:22px 0 0;max-width:560px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.checks{display:flex;flex-wrap:wrap;gap:10px 26px;margin:34px 0 0;padding:0;list-style:none;font-size:15px;color:var(--ink-2)}
.checks.col{flex-direction:column;font-size:17px;color:var(--ink)}
.checks li{display:flex;gap:8px;align-items:center}
.checks svg{flex:none}
.hero-media{flex:1 1 460px;min-width:0;position:relative}
.hero-media img{width:100%;height:540px;object-fit:cover;border-radius:28px;background:#BFE0E5}
.badge{position:absolute;left:-16px;top:36px;background:#fff;border-radius:18px;padding:16px 20px;box-shadow:0 12px 32px rgba(13,34,48,.14);max-width:220px}
.badge strong{display:block;font-family:var(--display);font-size:32px;line-height:1}
.badge span{font-size:14px;color:var(--ink-2)}
@media (max-width:700px){.hero-media img{height:340px}.badge{left:12px;top:12px}}

/* numeri */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px}
.stat{background:#fff;border-radius:20px;padding:26px}
.stat strong{display:block;font-family:var(--display);font-weight:800;font-size:42px;line-height:1}
.stat span{display:block;color:var(--ink-2);margin-top:8px}

/* processo */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}
.steps li{border-top:2px solid #3FB8C6;padding-top:18px}
.steps .n{font-family:var(--display);font-weight:700;color:var(--aqua)}
.steps h3{font-size:20px;margin:8px 0 6px}
.steps p{margin:0;font-size:15px}

/* schede */
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.card{background:#fff;border-radius:var(--radius);padding:30px}
.card h3{font-size:21px;margin:16px 0 8px}
.card p{margin:0;color:var(--ink-2);font-size:16px}
.sol{background:#fff;border-radius:26px;overflow:hidden;display:flex;flex-direction:column}
.sol.dark{background:var(--navy)}
.sol-media{position:relative;height:240px;background:#BFE0E5}
.sol-media img{width:100%;height:100%;object-fit:cover}
.tag{position:absolute;top:16px;left:16px;background:var(--navy);color:#fff;font-size:12px;font-weight:700;letter-spacing:.08em;padding:6px 12px;border-radius:999px}
.tag.gold{background:#E7C873;color:var(--navy)}
.sol-body{padding:26px;display:flex;flex-direction:column;gap:10px;flex:1}
.sol-body h3{font-size:24px}
.sol-body p{margin:0;color:var(--ink-2);font-size:16px;flex:1}
.sol.dark .sol-body p{color:var(--mist)}
.sol.dark a{color:var(--aqua)}
.sol-body a{font-weight:600}

/* tecnologia */
.split{display:flex;flex-wrap:wrap;gap:48px;align-items:center}
.split>*{flex:1 1 440px;min-width:0}
.split img{width:100%;height:460px;object-fit:cover;border-radius:28px}
.feat{list-style:none;margin:28px 0 0;padding:0;display:flex;flex-direction:column;gap:18px}
.feat li{display:flex;gap:16px}
.feat .ic{flex:none;width:36px;height:36px;border-radius:10px;background:#fff;display:flex;align-items:center;justify-content:center}
.feat strong{display:block}
.feat span{color:var(--ink-2);font-size:16px}

/* galleria */
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.gallery figure{margin:0}
.gallery img{width:100%;height:300px;object-fit:cover;border-radius:20px;background:#C9E3E7}
.gallery figcaption{margin-top:10px;font-size:15px;color:var(--ink-2)}
.gallery figcaption strong{color:var(--ink)}

/* recensioni */
.quote{margin:0;background:#fff;border-radius:22px;padding:30px;display:flex;flex-direction:column;gap:18px}
.quote blockquote{margin:0;font-size:19px;line-height:1.5}
.quote figcaption{font-size:15px;color:var(--ink-2)}
.quote figcaption strong{color:var(--ink)}

/* promo */
.promo{background:var(--accent);color:#fff;border-radius:32px;padding:clamp(28px,5vw,56px);display:flex;flex-wrap:wrap;gap:40px;align-items:center}
.promo>div{flex:1 1 420px;min-width:0}
.promo .eyebrow{color:#D6F1F4}
.promo ul{margin:22px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:6px}
.promo form{flex:1 1 360px}

/* zone */
.zones{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px}
.zone{background:#fff;border-radius:20px;padding:22px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:6px}
.zone strong{font-size:20px}
.zone span{font-size:15px;color:var(--ink-2)}
.zone em{font-style:normal;color:var(--accent);font-weight:600;font-size:15px}
.zone:hover{outline:2px solid var(--accent)}

/* moduli */
.form{background:var(--sand);border-radius:28px;padding:clamp(22px,4vw,36px);display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;color:var(--ink)}
.form.on-white{background:#fff}
.form .full{grid-column:1/-1}
.form label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600}
.form input[type=text],.form input[type=email],.form input[type=tel],.form select,.form textarea{font:inherit;font-weight:400;font-size:16px;padding:12px 14px;border:1px solid #BDB5A8;border-radius:12px;background:#fff;min-height:48px;color:var(--ink);width:100%}
.form textarea{min-height:120px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
.form .check{flex-direction:row;align-items:flex-start;gap:10px;font-weight:400;font-size:14px;color:var(--ink-2)}
.form .check input{width:20px;height:20px;margin-top:1px;flex:none}
.form .title{grid-column:1/-1;margin:0;font-weight:700;font-size:18px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.contact-list{margin-top:32px;display:flex;flex-direction:column;gap:14px;font-size:18px}
.contact-list a{color:var(--ink);text-decoration:none;font-weight:600}

/* faq */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:#fff;border-radius:18px;padding:18px 22px}
.faq summary{font-weight:600;cursor:pointer;min-height:28px}
.faq p{margin:12px 0 0;color:var(--ink-2)}

/* comuni */
.comuni{list-style:none;margin:0;padding:0;column-width:190px;column-gap:24px;font-size:15px;color:var(--ink-2);line-height:1.9}

/* briciole */
.crumbs{font-size:14px;color:#4F5F68;padding-top:28px}
.crumbs a{color:#4F5F68}

/* testo legale */
.legal{max-width:820px;padding:56px 20px 88px;margin:0 auto}
.legal h1{font-size:clamp(32px,4vw,46px);margin-bottom:24px}
.legal h2{font-size:22px;margin:32px 0 10px}
.legal p,.legal li{color:var(--ink-2)}

/* footer */
.site-footer{background:var(--navy);color:var(--mist);font-size:15px}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:32px 64px;justify-content:space-between;padding-top:56px;padding-bottom:32px}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.footer-logo{display:inline-flex;background:#fff;border-radius:14px;padding:10px 16px}
.footer-logo img{height:48px;width:auto}
.footer-col{display:flex;flex-direction:column;gap:8px}
.footer-col h2{font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:var(--mist);margin-bottom:4px;font-family:var(--font)}
.legalbar{border-top:1px solid #23394A;font-size:13px;padding:20px 0 28px}
.legalbar .wrap{padding-top:0;padding-bottom:0;display:block}

/* whatsapp fisso */
.wa{position:fixed;right:18px;bottom:18px;width:58px;height:58px;border-radius:50%;background:#1F9D55;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.25);z-index:30}
.wa:hover{background:#17804A}

/* messaggi */
.notice{padding:14px 18px;border-radius:14px;background:#FDECEC;color:#7A1C1C;margin-bottom:16px;grid-column:1/-1}
.comuni-box{background:#fff;border-radius:18px;padding:18px 22px}
.comuni-box summary{cursor:pointer;font-weight:600;min-height:28px}
.comuni-box .comuni{margin-top:16px}