:root{--nero:#111;--rosso:#D9243B;--rosso-scuro:#b71c30;--grigio:#f5f5f5;--grigio-testo:#555;--bianco:#fff;--max:1180px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Montserrat',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;color:var(--nero);background:var(--bianco);line-height:1.6;font-size:16px}
img,svg{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.15;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(1.7rem,3.5vw,2.5rem);margin-bottom:.6rem}
.sub{color:var(--grigio-testo);max-width:640px;margin-bottom:2.5rem;font-size:1.05rem}
.accent{color:var(--rosso)}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--rosso);margin-bottom:.8rem}
.btn{display:inline-block;padding:.9rem 1.7rem;border-radius:6px;font-weight:700;text-decoration:none;transition:.2s;border:2px solid transparent}
.btn-rosso{background:var(--rosso);color:#fff}
.btn-rosso:hover{background:var(--rosso-scuro)}
.btn-ghost{border-color:#fff;color:#fff}
.btn-ghost:hover{background:#fff;color:var(--nero)}
.btn-nero{background:var(--nero);color:#fff}
.btn-nero:hover{background:#000}
/* header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid #eee}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px;gap:1rem}
.nav .logo{height:46px;width:auto}
.nav ul{display:flex;gap:1.8rem;list-style:none;align-items:center}
.nav a{text-decoration:none;font-weight:600;font-size:.95rem}
.nav a:hover{color:var(--rosso)}
.nav .btn{padding:.6rem 1.2rem;font-size:.9rem}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer}
.burger span{display:block;height:3px;background:var(--nero);margin:6px 0;border-radius:2px;transition:.2s}
/* hero */
.hero{position:relative;background:var(--nero);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 70% 50%,rgba(217,36,59,.35),transparent 55%),linear-gradient(180deg,#1a1a1a,#0d0d0d)}
.hero .stripe{position:absolute;left:0;right:0;top:0;height:8px;background:var(--rosso)}
.hero .wrap{position:relative;padding:6.5rem 20px 5.5rem;display:grid;grid-template-columns:1.2fr 1fr;gap:3rem;align-items:center}
.hero h1{font-size:clamp(2.2rem,5vw,3.6rem);margin-bottom:1.2rem}
.hero p{font-size:1.15rem;color:#d8d8d8;max-width:560px;margin-bottom:2rem}
.hero .cta{display:flex;gap:1rem;flex-wrap:wrap}
.hero-art{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.hero-art .card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:1.4rem;text-align:center}
.hero-art .card strong{display:block;font-size:2rem;color:var(--rosso)}
.hero-art .card span{font-size:.85rem;color:#ccc}
.hero-img{border-radius:12px;box-shadow:0 30px 60px rgba(0,0,0,.5);object-fit:cover;width:100%;height:100%}
/* sections */
section{padding:5rem 0}
.servizi{background:var(--grigio)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.card-s{background:#fff;border-radius:12px;padding:2.2rem;border-top:5px solid var(--rosso);box-shadow:0 8px 30px rgba(0,0,0,.05);transition:.2s}
.card-s:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,.09)}
.card-s .ico{width:54px;height:54px;border-radius:12px;background:var(--nero);display:grid;place-items:center;margin-bottom:1.2rem}
.card-s .ico svg{width:28px;height:28px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card-s h3{font-size:1.25rem;margin-bottom:.6rem}
.card-s p{color:var(--grigio-testo);font-size:.97rem}
.card-s ul{margin-top:1rem;padding-left:1.1rem;color:var(--grigio-testo);font-size:.93rem}
.card-s li{margin:.25rem 0}
/* clienti */
.clienti .grid3 .card-s{border-top-color:var(--nero);text-align:center}
.clienti .card-s .ico{margin:0 auto 1.2rem;background:var(--rosso)}
/* chi siamo */
.chi{background:var(--nero);color:#fff}
.chi .wrap{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.chi p{color:#d0d0d0;margin-bottom:1rem}
.chi .sub{color:#bbb}
.punti{list-style:none;display:grid;gap:1rem;margin-top:1.5rem}
.punti li{display:flex;gap:.9rem;align-items:flex-start}
.punti li::before{content:"";flex:0 0 10px;height:10px;margin-top:.55rem;background:var(--rosso);border-radius:50%}
.numeri{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.numeri div{border:1px solid rgba(255,255,255,.15);border-radius:10px;padding:1.6rem;background:rgba(255,255,255,.04)}
.numeri strong{display:block;font-size:2.2rem;color:var(--rosso);line-height:1}
.numeri span{font-size:.85rem;color:#bbb}
/* contatti */
.contatti .wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:4rem}
.info dl{display:grid;gap:1.3rem;margin-top:1.5rem}
.info dt{font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--rosso)}
.info dd{font-size:1.02rem}
.info dd a{text-decoration:none;font-weight:600}
.form{background:var(--grigio);border-radius:14px;padding:2.2rem}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form label{display:block;font-size:.85rem;font-weight:700;margin:.9rem 0 .35rem}
.form input,.form select,.form textarea{width:100%;padding:.8rem .9rem;border:1px solid #ddd;border-radius:6px;font:inherit;background:#fff}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--rosso);border-color:transparent}
.form textarea{min-height:130px;resize:vertical}
.form .priv{font-size:.8rem;color:var(--grigio-testo);margin:1rem 0;display:flex;gap:.6rem;align-items:flex-start}
.form .priv input{width:auto;margin-top:.25rem}
.form button{width:100%;border:0;cursor:pointer;font-size:1rem}
.alert{padding:1rem 1.2rem;border-radius:8px;margin-bottom:1rem;font-weight:600}
.alert.ok{background:#e6f6ea;color:#1b6b34}
.alert.err{background:#fde8eb;color:var(--rosso-scuro)}
.hp{position:absolute;left:-9999px;opacity:0}
/* footer */
footer{background:#0d0d0d;color:#aaa;padding:3.5rem 0 2rem;font-size:.9rem}
footer .top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:3rem;padding-bottom:2.5rem;border-bottom:1px solid #222}
footer .flogo{height:50px;width:auto;filter:invert(1) hue-rotate(180deg);margin-bottom:1rem}
footer h4{color:#fff;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:1rem}
footer ul{list-style:none;display:grid;gap:.5rem}
footer a{text-decoration:none}
footer a:hover{color:#fff}
footer .legal{padding-top:1.5rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.8rem;color:#777}
@media(max-width:900px){
  .nav ul{position:absolute;top:78px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:1rem 20px 1.5rem;gap:1rem;border-bottom:1px solid #eee;display:none}
  .nav ul.open{display:flex}
  .burger{display:block}
  .hero .wrap{grid-template-columns:1fr;padding:4rem 20px}
  .grid3,.chi .wrap,.contatti .wrap,footer .top{grid-template-columns:1fr}
  .chi .wrap,.contatti .wrap{gap:2.5rem}
  section{padding:3.5rem 0}
}
@media(max-width:520px){.form .row,.numeri,.hero-art{grid-template-columns:1fr}}