:root{
  --nero:#0c0c0c; --nero-2:#141414; --nero-3:#1c1c1c; --linea:#2a2a2a;
  --bianco:#f4f1ec; --grigio:#a5a19a; --grigio-2:#8e8981;
  --arancio:#ff5a1f; --arancio-caldo:#ffb27a; --luce:#ffe6cf;
  --max:1240px; --r:4px; --h:78px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--h) + 20px)}
body{background:var(--nero);color:var(--bianco);font-family:"Archivo",system-ui,sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;padding-top:var(--h)}
img{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3{font-weight:800;line-height:1.02;letter-spacing:-.01em;font-variation-settings:"wdth" 72}
h2{font-size:clamp(2.1rem,4.6vw,3.6rem);margin-bottom:.5em}
h3{font-size:1.35rem;font-variation-settings:"wdth" 85;line-height:1.15}
.occhiello{display:inline-block;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--arancio);font-weight:600;margin-bottom:18px}
.lead{font-size:1.15rem;color:#d9d5ce;max-width:60ch}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 26px;border-radius:var(--r);font-weight:700;text-decoration:none;font-size:1rem;transition:transform .15s,background .15s,border-color .15s;border:1.5px solid transparent;cursor:pointer;font-family:inherit}
.btn-primario{background:var(--arancio);color:#0c0c0c}
.btn-primario:hover{background:#ff7340;transform:translateY(-1px)}
.btn-linea{border-color:#4a4a4a;color:var(--bianco)}
.btn-linea:hover{border-color:var(--bianco)}
.azioni{display:flex;gap:14px;flex-wrap:wrap}
section{padding:110px 0}
.sezione-scura{background:var(--nero-2)}

/* header: fondo pieno, niente sovrapposizioni con l'apertura */
header{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--h);background:var(--nero);border-bottom:1px solid var(--linea)}
.nav{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo img{height:44px;width:auto}
.logo-completo img{width:210px;height:auto}
.logo span{display:flex;flex-direction:column;line-height:1.05}
.logo b{font-size:1.05rem;font-weight:800;font-variation-settings:"wdth" 80}
.logo small{font-size:.7rem;color:var(--grigio);letter-spacing:.03em}
.menu{display:flex;align-items:center;gap:28px;list-style:none;font-size:.93rem;font-weight:500}
.menu>li{position:relative}
.menu a{text-decoration:none;color:#dcd8d1}
.menu a:hover,.menu a.attivo{color:#fff}
.menu>li>a.attivo:not(.btn){box-shadow:inset 0 -2px 0 var(--arancio);padding-bottom:4px}
.menu .evid{color:var(--arancio-caldo)}
.tendina{position:absolute;top:100%;left:-20px;padding-top:24px;display:none}
.menu li:hover .tendina,.menu li:focus-within .tendina{display:block}
.tendina ul{list-style:none;background:var(--nero-2);border:1px solid var(--linea);border-radius:6px;padding:10px;min-width:320px}
.tendina a{display:block;padding:9px 12px;border-radius:4px}
.tendina a:hover{background:var(--nero-3)}
.tendina li:last-child{border-top:1px solid var(--linea);margin-top:6px;padding-top:6px}
.menu .btn{padding:11px 18px;font-size:.9rem;color:#0c0c0c}
.burger{display:none;background:none;border:0;color:#fff;font-size:28px;cursor:pointer;line-height:1}

/* apertura home */
.hero{position:relative;min-height:calc(100vh - var(--h));display:flex;align-items:flex-end;padding:0 0 90px;overflow:hidden}
.soffitto{position:absolute;left:0;right:0;top:0;height:72%;pointer-events:none}
.soffitto svg{width:100%;height:100%}
.soffitto .l{opacity:0;animation:accendi 1.6s forwards}
.soffitto .l1{animation-delay:.3s}.soffitto .l2{animation-delay:.7s}.soffitto .l3{animation-delay:1.2s}
@keyframes accendi{0%{opacity:0}30%{opacity:.5}40%{opacity:.15}100%{opacity:1}}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0,rgba(255,140,80,.1),transparent 60%),linear-gradient(transparent 38%,var(--nero) 86%);pointer-events:none}
.hero .wrap{position:relative;z-index:2;width:100%}
.hero h1{font-size:clamp(3rem,9.5vw,8.2rem);max-width:12ch;margin-bottom:28px;font-variation-settings:"wdth" 64}
.hero h1 em{font-style:normal;color:var(--arancio)}
.hero .lead{margin-bottom:36px}

/* apertura pagine interne */
.testata{position:relative;min-height:62vh;display:flex;align-items:flex-end;padding:120px 0 70px;overflow:hidden;background:var(--nero-3)}
.testata>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45}
.testata::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,12,12,.2),rgba(12,12,12,.35) 40%,var(--nero) 98%)}
.testata .wrap{position:relative;z-index:2;width:100%}
.testata h1{font-size:clamp(2.6rem,7vw,5.6rem);max-width:16ch;margin-bottom:22px;font-variation-settings:"wdth" 66}
.testata .lead{margin-bottom:30px}
.testata.bassa{min-height:0;padding:90px 0 50px;background:var(--nero)}
.briciole{display:flex;gap:8px;font-size:.82rem;color:var(--grigio);margin-bottom:18px;flex-wrap:wrap}
.briciole a{text-decoration:none}
.briciole a:hover{color:#fff}
.briciole span{color:var(--grigio-2)}

/* numeri */
.numeri{border-top:1px solid var(--linea);border-bottom:1px solid var(--linea);padding:0}
.numeri .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.num{padding:34px 24px;border-left:1px solid var(--linea)}
.num:first-child{border-left:0;padding-left:0}
.num b{display:block;font-size:2.6rem;font-weight:800;font-variation-settings:"wdth" 70;line-height:1;color:#fff}
.num span{font-size:.9rem;color:var(--grigio)}

/* blocchi a due colonne */
.due{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.due.inverti>:first-child{order:2}
.due.alto{align-items:start}
.foto{position:relative;border-radius:var(--r);overflow:hidden;background:var(--nero-3)}
.foto img{width:100%;height:100%;object-fit:cover}
.foto figcaption{position:absolute;left:0;right:0;bottom:0;padding:40px 18px 14px;font-size:.82rem;color:#e8e4dd;background:linear-gradient(transparent,rgba(0,0,0,.75))}
.foto.verticale{aspect-ratio:4/5}
.foto.orizzontale{aspect-ratio:4/3}
.lista-luce{list-style:none;margin:28px 0 34px;display:grid;grid-template-columns:1fr 1fr;gap:10px 26px}
.lista-luce li{padding-left:22px;position:relative;color:#d9d5ce;font-size:.98rem}
.lista-luce li::before{content:"";position:absolute;left:0;top:.62em;width:12px;height:2px;background:var(--arancio);box-shadow:0 0 8px var(--arancio)}
.lista-luce.una{grid-template-columns:1fr}
.nota{margin-top:18px;font-size:.88rem;color:var(--grigio);border-left:2px solid var(--arancio);padding-left:14px}
.prosa p{color:#d9d5ce;margin-bottom:16px;max-width:64ch}
.prosa p b{color:#fff}
.prosa h3{margin:34px 0 12px;font-size:1.5rem}

/* griglia lavori */
.testa{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:50px;flex-wrap:wrap}
.testa .lead{max-width:48ch}
.griglia{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.griglia.tre{grid-template-columns:repeat(3,1fr)}
.card{position:relative;display:block;text-decoration:none;border-radius:var(--r);overflow:hidden;background:var(--nero-3);aspect-ratio:3/4}
.card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62;transition:opacity .3s,transform .5s}
.card:hover img{opacity:.85;transform:scale(1.04)}
.card div{position:absolute;inset:auto 0 0 0;padding:60px 18px 18px;background:linear-gradient(transparent,rgba(0,0,0,.88))}
.card h3{font-size:1.2rem;margin-bottom:6px}
.card p{font-size:.86rem;color:#cfcac2;line-height:1.45}
.card .freccia{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;background:rgba(0,0,0,.5);display:grid;place-items:center;font-size:15px;transition:background .2s}
.card:hover .freccia{background:var(--arancio);color:#000}
.card.larga{grid-column:span 2;aspect-ratio:3/2}
.etichetta-gruppo{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--grigio);margin:50px 0 16px;padding-bottom:10px;border-bottom:1px solid var(--linea)}

/* garanzia */
.due-dieci{font-size:clamp(6rem,15vw,12rem);font-weight:900;line-height:.85;font-variation-settings:"wdth" 62;display:flex;align-items:baseline;gap:.12em}
.due-dieci s{color:var(--grigio-2);text-decoration-thickness:6px;text-decoration-color:var(--arancio)}
.due-dieci span{color:var(--arancio);text-shadow:0 0 40px rgba(255,90,31,.45)}
.sotto-numero{color:var(--grigio);margin-top:10px;font-size:.95rem}
table{width:100%;border-collapse:collapse;margin:30px 0 26px;font-size:.95rem}
th,td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--linea)}
th{font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--grigio);font-weight:600}
td:last-child{color:#fff;font-weight:600}
td:nth-child(2){color:var(--grigio)}
.fatto{font-size:1.25rem;font-weight:700;color:#fff;border-left:3px solid var(--arancio);padding-left:16px;margin:10px 0 30px}

/* passi */
.passi{background:var(--bianco);color:#141414}
.passi h2,.passi h3{color:#141414}
.passi .occhiello{color:#b8410f}
.passi-griglia{display:grid;grid-template-columns:repeat(4,1fr);margin-top:50px;border-top:2px solid #141414}
.passo{padding:28px 26px 0 0}
.passo b{display:block;font-size:3rem;font-weight:900;font-variation-settings:"wdth" 62;color:#b8410f;line-height:1;margin-bottom:14px}
.passo h3{margin-bottom:10px}
.passo p{font-size:.95rem;color:#3c3a37}

/* gallerie */
.galleria{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:170px;gap:12px}
.galleria .foto:nth-child(7n+1){grid-column:span 3;grid-row:span 2}
.galleria .foto:nth-child(7n+2){grid-column:span 3}
.galleria .foto:nth-child(7n+3){grid-column:span 2;grid-row:span 2}
.galleria .foto:nth-child(7n+4){grid-column:span 1}
.galleria .foto:nth-child(7n+5),.galleria .foto:nth-child(7n+6),.galleria .foto:nth-child(7n){grid-column:span 2;grid-row:span 2}
.foto-riga{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.foto-riga .foto{aspect-ratio:4/5}
.filtri{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:30px}
.filtri button{background:none;border:1.5px solid #3a3a3a;color:#ddd;padding:8px 16px;border-radius:30px;font:600 .9rem "Archivo",sans-serif;cursor:pointer}
.filtri button.on{background:var(--arancio);border-color:var(--arancio);color:#000}
.archivio{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.archivio .foto{aspect-ratio:3/4}
.archivio .foto.nascosta{display:none}

/* scadenza */
.scadenza{background:var(--arancio);color:#0c0c0c;padding:80px 0}
.scadenza .wrap{display:grid;grid-template-columns:auto 1fr;gap:70px;align-items:center}
.data{font-size:clamp(3.4rem,8vw,6.5rem);font-weight:900;font-variation-settings:"wdth" 62;line-height:.9}
.data small{display:block;font-size:.9rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px}
.scadenza h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
.scadenza p{max-width:62ch;font-size:1.02rem}
.scadenza p+p{margin-top:10px;font-size:.92rem}

/* impegni architetti */
.impegni{list-style:none;margin:26px 0 34px}
.impegni li{padding:14px 0;border-bottom:1px solid var(--linea);display:flex;gap:16px;color:#d9d5ce}
.impegni li b{color:var(--arancio);font-variation-settings:"wdth" 70;min-width:26px}

/* zona */
.zona{padding:70px 0;border-top:1px solid var(--linea)}
.zona .wrap{display:flex;gap:30px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.zona h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin:0}
.zona h2 em{font-style:normal;color:var(--arancio)}
.zona p{color:var(--grigio);max-width:46ch}

/* faq */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--linea)}
.faq summary{cursor:pointer;list-style:none;padding:22px 40px 22px 0;font-size:1.12rem;font-weight:700;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:18px;font-size:1.6rem;color:var(--arancio);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 22px;color:#d9d5ce;max-width:70ch}

/* banda richiesta */
.banda{padding:90px 0;background:linear-gradient(135deg,#1a1411,#0c0c0c 60%);border-top:1px solid var(--linea)}
.banda .wrap{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.banda h2{margin:0 0 10px;font-size:clamp(2rem,4vw,3.2rem)}
.banda p{color:#d9d5ce}

/* altri lavori */
.altri{padding:60px 0;border-top:1px solid var(--linea)}
.altri h3{font-size:1rem;letter-spacing:.14em;text-transform:uppercase;color:var(--grigio);margin-bottom:18px;font-variation-settings:"wdth" 100;font-weight:600}
.altri ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.altri a{display:block;border:1px solid var(--linea);padding:9px 16px;border-radius:30px;text-decoration:none;font-size:.92rem;color:#d9d5ce}
.altri a:hover{border-color:var(--arancio);color:#fff}

/* contatti */
.contatti-griglia{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
.recapiti{list-style:none;margin-top:30px}
.recapiti li{padding:16px 0;border-bottom:1px solid var(--linea)}
.recapiti small{display:block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--grigio)}
.recapiti b{font-size:1.1rem}
form{background:var(--nero-3);border:1px solid var(--linea);border-radius:8px;padding:34px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.campo{display:flex;flex-direction:column;gap:7px}
.campo.largo{grid-column:1/-1}
label{font-size:.83rem;color:#cfcac2;font-weight:500}
input,select,textarea{background:var(--nero);border:1px solid #333;border-radius:var(--r);padding:13px 14px;color:var(--bianco);font:inherit;font-size:.95rem}
input:focus,select:focus,textarea:focus{outline:2px solid var(--arancio);outline-offset:1px;border-color:transparent}
textarea{min-height:130px;resize:vertical}
.check{grid-column:1/-1;display:flex;gap:10px;align-items:flex-start;font-size:.84rem;color:var(--grigio)}
.check input{margin-top:4px;accent-color:var(--arancio)}
.check a{color:var(--arancio-caldo)}
form .btn{grid-column:1/-1;justify-content:center;font-size:1.05rem}
.radio{display:flex;gap:18px;padding-top:6px;font-size:.92rem}
.radio label{display:flex;gap:6px;align-items:center;color:var(--bianco)}
.mappa{margin-top:30px;aspect-ratio:16/10;border:1px dashed #3a3a3a;border-radius:var(--r);display:grid;place-items:center;color:var(--grigio-2);font-size:.9rem;text-align:center;padding:20px}

/* segnaposto */
.segnaposto{border:1px dashed #4a4a4a;border-radius:var(--r);padding:26px;color:var(--grigio);font-size:.95rem}

/* footer */
footer{padding:60px 0 100px;border-top:1px solid var(--linea);font-size:.88rem;color:var(--grigio)}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
footer h4{color:#fff;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
footer ul{list-style:none}
footer li{margin-bottom:6px}
footer a{text-decoration:none}
footer a:hover{color:#fff}
.legale{grid-column:1/-1;border-top:1px solid var(--linea);padding-top:24px;font-size:.78rem;color:var(--grigio-2)}
.barra-mobile{display:none}

@media (max-width:1180px){
  .menu{display:none}
  .burger{display:block}
  .menu.aperto{display:flex;position:fixed;top:var(--h);left:0;right:0;bottom:0;flex-direction:column;align-items:flex-start;gap:0;background:var(--nero);padding:10px 24px 40px;overflow:auto}
  .menu.aperto>li{width:100%;border-bottom:1px solid var(--linea);padding:14px 0}
  .menu.aperto .tendina{display:block;position:static;padding:8px 0 0}
  .menu.aperto .tendina ul{border:0;padding:0;background:none;min-width:0}
  .menu.aperto>li>a.attivo:not(.btn){box-shadow:none;color:var(--arancio-caldo)}
}
@media (max-width:1000px){
  .due,.contatti-griglia,.scadenza .wrap{grid-template-columns:1fr;gap:44px}
  .due.inverti>:first-child{order:0}
  .foto.verticale{aspect-ratio:4/3}
  .griglia,.archivio{grid-template-columns:1fr 1fr}
  .griglia.tre{grid-template-columns:1fr 1fr}
  .passi-griglia{grid-template-columns:1fr 1fr;gap:30px}
  .numeri .wrap{grid-template-columns:1fr 1fr}
  .num:nth-child(3){border-left:0;padding-left:0}
  .num{border-top:1px solid var(--linea)}
  .num:nth-child(-n+2){border-top:0}
  .galleria{grid-template-columns:1fr 1fr;grid-auto-rows:160px}
  .galleria .foto:nth-child(n){grid-column:span 1;grid-row:span 1}
  .galleria .foto:nth-child(7n+1){grid-column:span 2;grid-row:span 2}
  .foto-riga{grid-template-columns:1fr 1fr}
  footer .wrap{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  :root{--h:68px}
  body{font-size:16px}
  section{padding:72px 0}
  .wrap{padding:0 16px}
  .logo img{height:38px}
  .hero{padding-bottom:60px}
  .soffitto{height:40%}
  .testata{min-height:0;padding:90px 0 50px}
  .griglia,.griglia.tre{grid-template-columns:1fr 1fr;gap:10px}
  .card.larga{grid-column:span 2;aspect-ratio:4/3}
  .card div{padding:40px 12px 12px}
  .card p{display:none}
  .card h3{font-size:1rem}
  .lista-luce{grid-template-columns:1fr}
  .passi-griglia{grid-template-columns:1fr}
  form{grid-template-columns:1fr;padding:22px}
  .num b{font-size:2rem}
  .num{padding:22px 12px}
  .archivio{grid-template-columns:1fr 1fr;gap:8px}
  .foto-riga{grid-template-columns:1fr}
  footer .wrap{grid-template-columns:1fr}
  .barra-mobile{display:grid;grid-template-columns:1fr 1fr 1.4fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--nero);border-top:1px solid var(--linea)}
  .barra-mobile a{padding:15px 6px;text-align:center;font-weight:700;font-size:.9rem;text-decoration:none}
  .barra-mobile a:last-child{background:var(--arancio);color:#000}
}
@media (prefers-reduced-motion:reduce){.soffitto .l{animation:none;opacity:1}html{scroll-behavior:auto}}
.mappa p{margin-bottom:14px;color:var(--grigio);max-width:36ch;margin-left:auto;margin-right:auto}
.mappa.caricata{padding:0;border-style:solid;border-color:var(--linea)}
.mappa iframe{width:100%;height:100%;border:0;filter:grayscale(.3)}
.errore-modulo{grid-column:1/-1;background:#3a1a10;border:1px solid var(--arancio);color:#ffd9c7;padding:12px 14px;border-radius:var(--r);font-size:.92rem}