/* Officina: fondo grigio acciaio chiaro, inchiostro grafite, blu officina come accento, giallo sicurezza solo per le call to action */
:root{
  --bg:#eef0ee; --surface:#ffffff; --ink:#16191b; --muted:#5b6266;
  --line:#d3d8d6; --accent:#0b5d7a; --accent-ink:#ffffff; --cta:#ff6a00; --cta-ink:#16191b;
  --dark:#16191b; --dark-ink:#e9ecea;
  --display:"Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  --body:"Barlow", "Helvetica Neue", Arial, sans-serif;
  --wrap:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--body)}
img{max-width:100%;display:block}
a{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--cta);outline-offset:2px}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.05;text-wrap:balance;margin:0;text-transform:uppercase;letter-spacing:.01em}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.eyebrow{font:600 13px/1 var(--body);text-transform:uppercase;letter-spacing:.14em;color:var(--accent)}

/* header */
.top{background:var(--dark);color:var(--dark-ink);position:sticky;top:0;z-index:20}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:10px}
.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none}
.brand img{height:44px;width:44px;border-radius:50%;background:#fff;padding:2px}
.brand span{font:700 24px/1 var(--display);letter-spacing:.04em}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{color:var(--dark-ink);text-decoration:none;font:600 15px/1 var(--body);padding:10px 12px;border-radius:4px}
.nav a:hover{background:rgba(255,255,255,.08)}
.nav a[aria-current="page"]{color:var(--cta)}
.menu-btn{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:var(--dark-ink);font:600 15px var(--body);padding:8px 12px;border-radius:4px;cursor:pointer}
@media (max-width:820px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--dark);flex-direction:column;padding:8px max(16px,env(safe-area-inset-left,0px)) 16px}
  .nav.open{display:flex}
  .nav a{padding:14px 8px;border-bottom:1px solid rgba(255,255,255,.08)}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font:700 16px/1 var(--body);text-decoration:none;padding:14px 22px;border-radius:4px;border:2px solid transparent;cursor:pointer}
.btn-cta{background:var(--cta);color:var(--cta-ink)}
.btn-cta:hover{filter:brightness(.95)}
.btn-ghost{border-color:currentColor;color:inherit;background:transparent}
.btns{display:flex;flex-wrap:wrap;gap:12px}

/* hero */
.hero{position:relative;background:var(--dark);color:#fff;overflow:hidden}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45}
.hero .wrap{position:relative;padding-block:clamp(64px,12vw,140px);display:grid;gap:22px}
.hero h1{font-size:clamp(56px,11vw,128px);letter-spacing:.02em}
.hero .tag{font:italic 600 clamp(22px,3vw,30px)/1.1 var(--display);color:var(--cta);text-transform:none}
.hero p.lead{font-size:clamp(18px,2.2vw,22px);max-width:34ch}
.hero .meta{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:16px}
.hero .meta a{color:#fff}

/* page hero (sottopagine) */
.phero{background:var(--dark);color:#fff}
.phero .wrap{padding-block:clamp(48px,8vw,88px);display:grid;gap:14px}
.phero h1{font-size:clamp(48px,8vw,88px)}
.phero p{font-size:clamp(18px,2vw,21px);color:var(--dark-ink);max-width:48ch}

section{padding-block:clamp(56px,8vw,96px)}
.sec-head{display:grid;gap:10px;margin-bottom:36px}
.sec-head h2{font-size:clamp(34px,5vw,52px)}

/* servizi */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:860px){.services{grid-template-columns:1fr}}
.svc{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:28px;display:grid;gap:14px;text-decoration:none;color:inherit;transition:transform .15s,border-color .15s}
.svc:hover{transform:translateY(-3px);border-color:var(--accent)}
.svc img{width:96px;height:96px;object-fit:contain}
.svc h3{font-size:30px}
.svc p{color:var(--muted)}
.svc .more{font-weight:700;color:var(--accent)}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.split > *{min-width:0}
.split img{border-radius:6px;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.prose{display:grid;gap:16px;max-width:62ch}
.prose h2{font-size:clamp(32px,4.5vw,48px)}
.prose .strong{font-weight:700;font-size:19px}

.checklist{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.checklist li{display:flex;gap:12px;align-items:baseline;font-weight:600}
.checklist li::before{content:"";flex:none;width:10px;height:10px;background:var(--cta);transform:translateY(-1px) rotate(45deg)}

/* banda canyon / pdf */
.band{background:var(--surface);border-block:1px solid var(--line)}
.band .wrap{padding-block:36px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.band img{max-height:110px;width:auto}

.stat{font:700 clamp(64px,10vw,104px)/.9 var(--display);color:var(--accent)}

/* cta dark */
.cta-band{background:var(--accent);color:var(--accent-ink)}
.cta-band .wrap{padding-block:clamp(44px,6vw,64px);display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.cta-band h2{font-size:clamp(30px,4vw,44px)}

/* info */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:860px){.grid2{grid-template-columns:1fr}}
.grid2 > *{min-width:0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:28px;display:grid;gap:14px;align-content:start}
.card h3{font-size:28px}
.map{width:100%;aspect-ratio:4/3;border:0;border-radius:6px;background:var(--line)}
dl.contacts{display:grid;grid-template-columns:auto 1fr;gap:10px 18px;margin:0}
dl.contacts dt{font-weight:700;text-transform:uppercase;font-size:13px;letter-spacing:.1em;color:var(--muted);padding-top:3px}
dl.contacts dd{margin:0;font-size:18px;overflow-wrap:anywhere}
.cert{display:flex;flex-wrap:wrap;gap:8px}
.chip{background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-weight:600;font-size:15px}
.brands{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
@media (max-width:860px){.brands{grid-template-columns:repeat(3,1fr)}}
.brands div{background:var(--surface);border:1px solid var(--line);border-radius:6px;aspect-ratio:1;display:grid;place-items:center;padding:14px}
.brands img{width:100%;height:100%;object-fit:contain}
form{display:grid;gap:14px}
label{font-weight:600;font-size:15px;display:grid;gap:6px}
input,textarea{font:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:4px;background:var(--bg);color:var(--ink);width:100%}
textarea{min-height:130px;resize:vertical}
.hint{font-size:14px;color:var(--muted)}

/* footer */
footer{background:var(--dark);color:var(--dark-ink);font-size:15px}
footer .wrap{padding-block:48px 28px;display:grid;gap:28px}
.fcols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
@media (max-width:760px){.fcols{grid-template-columns:1fr}}
footer h4{font:700 20px/1 var(--display);text-transform:uppercase;letter-spacing:.06em;margin:0 0 12px;color:#fff}
footer a{color:var(--dark-ink)}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.legal{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;color:#9aa3a0;font-size:14px}

.wa-float{position:fixed;right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:30;background:#25d366;color:#0b2a17;font-weight:700;text-decoration:none;border-radius:999px;padding:14px 18px;box-shadow:0 6px 20px rgba(0,0,0,.25)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}