:root{
  --sfondo:#FAF8F5;
  --testo:#2B2B2B;
  --accento:#C8643B; /* solo bottoni e prezzi */
  --attenuato:#5F5B56;
  --linea:#E4DED5;
  --superficie:#FFFFFF;
  --tenue:#F2EEE8;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--sfondo);color:var(--testo);font:400 17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-underline-offset:3px}
h1,h2,h3,p,figure,ol{margin:0}
h1{font-size:clamp(2.4rem,5.6vw,4rem);line-height:1.08;font-weight:600;letter-spacing:-.025em}
h2{font-size:clamp(1.8rem,3.6vw,2.6rem);line-height:1.15;font-weight:600;letter-spacing:-.02em}
h3{font-size:1.15rem;line-height:1.3;font-weight:600}
section{padding:88px 0;border-top:1px solid var(--linea)}
section.hero{padding:64px 0 80px;border-top:0}
.contenitore{max-width:1160px;margin:0 auto;padding:0 20px}
.colonna-stretta{max-width:760px}
.sottotitolo{color:var(--attenuato);margin-top:12px;max-width:60ch}
.nascosto{position:absolute;left:-9999px}
.salta{position:absolute;left:-999px;top:8px;background:var(--testo);color:#fff;padding:10px 14px;border-radius:6px;z-index:100}
.salta:focus{left:8px}
:focus-visible{outline:3px solid var(--testo);outline-offset:3px}

/* Bottoni: testo grande e in grassetto per il contrasto con il terracotta */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 26px;border:0;border-radius:8px;background:var(--accento);color:#fff;font-family:inherit;font-size:1.17rem;font-weight:700;line-height:1.2;text-decoration:none;text-align:center;cursor:pointer;transition:background .15s}
.btn:hover{background:#B25630}
.btn-piccolo{min-height:44px;padding:0 16px}
.btn-pieno{width:100%}
.btn[disabled]{opacity:.7;cursor:wait}
.link-secondario{font-weight:600}

/* Testata */
.testata{position:sticky;top:0;z-index:50;background:var(--sfondo);border-bottom:1px solid var(--linea)}
.testata-riga{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.logo{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:1.15rem;letter-spacing:-.01em;text-decoration:none}
.logo img{flex:none;width:30px;height:30px}
.logo span{margin-left:-8px;font-weight:400}
.testata .btn-piccolo{flex:none;white-space:nowrap}
@media (max-width:380px){
  .testata-riga{gap:8px}
  .logo{gap:6px;font-size:1rem}
  .logo img{width:26px;height:26px}
  .logo span{margin-left:-6px}
  .testata .btn-piccolo{padding:0 12px;font-size:1rem}
}
.testata nav{display:flex;gap:26px}
.testata nav a{text-decoration:none;color:var(--attenuato);font-size:.97rem}
.testata nav a:hover{color:var(--testo)}
@media (max-width:820px){.testata nav{display:none}}

/* Hero */
.hero-griglia{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.introduzione{margin-top:20px;font-size:1.17rem;color:var(--attenuato);max-width:50ch}
.azioni{display:flex;flex-wrap:wrap;align-items:center;gap:14px 24px;margin-top:30px}
.nota-hero{margin-top:22px;color:var(--attenuato);font-size:.97rem}
figcaption{margin-top:10px;font-size:.88rem;color:var(--attenuato)}
@media (max-width:900px){
  .hero-griglia{grid-template-columns:1fr;gap:36px}
  section.hero{padding:36px 0 56px}
  .azioni .btn{width:100%}
}

/* Confronto prima e dopo */
.ba{--pos:50%;position:relative;overflow:hidden;border-radius:10px;aspect-ratio:7/4;background:var(--tenue);touch-action:pan-y;user-select:none;-webkit-user-select:none;cursor:ew-resize}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.ba-dopo{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.ba-etichetta{position:absolute;top:12px;padding:4px 10px;border-radius:4px;background:rgba(43,43,43,.78);color:#fff;font-size:.8rem;font-weight:600;pointer-events:none}
.ba-etichetta.sinistra{left:12px}
.ba-etichetta.destra{right:12px}
.ba-maniglia{position:absolute;top:0;bottom:0;left:var(--pos);width:2px;margin-left:-1px;background:#fff;pointer-events:none}
.ba-maniglia span{position:absolute;top:50%;left:50%;width:44px;height:44px;margin:-22px 0 0 -22px;border-radius:50%;background:#fff;box-shadow:0 1px 6px rgba(0,0,0,.3)}
.ba-maniglia span::before,.ba-maniglia span::after{content:"";position:absolute;top:50%;width:9px;height:9px;margin-top:-5px;border-left:2px solid var(--testo);border-bottom:2px solid var(--testo)}
.ba-maniglia span::before{left:11px;transform:rotate(45deg)}
.ba-maniglia span::after{right:11px;transform:rotate(225deg)}
/* Il cursore serve per la tastiera e gli screen reader: col dito e col mouse si trascina la foto */
.ba input{position:absolute;left:0;bottom:0;width:100%;height:1px;margin:0;opacity:0;pointer-events:none}
.ba:has(input:focus-visible){outline:3px solid var(--testo);outline-offset:3px}

/* Come funziona */
.passi{list-style:none;padding:0;margin-top:44px;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;counter-reset:passo}
.passi li{counter-increment:passo;padding-top:18px;border-top:2px solid var(--testo)}
.passi li::before{content:counter(passo);display:block;font-size:.97rem;font-weight:700;margin-bottom:10px}
.passi p{margin-top:8px;color:var(--attenuato)}
@media (max-width:760px){.passi{grid-template-columns:1fr;gap:30px}}

/* Galleria */
.galleria{margin-top:36px;display:grid;grid-template-columns:1fr 1fr;gap:28px}
.nota-trasparenza{margin-top:28px;color:var(--attenuato);font-size:.97rem}
@media (max-width:760px){.galleria{grid-template-columns:1fr}}

/* Prezzi */
.prezzi{margin-top:40px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.piano{display:flex;flex-direction:column;padding:26px 22px;background:var(--superficie);border:1px solid var(--linea);border-radius:10px}
.prezzo{margin-top:16px;color:var(--accento);font-size:2.6rem;line-height:1;font-weight:700;letter-spacing:-.02em}
.prezzo small{font-size:1.2rem;font-weight:700;letter-spacing:0}
.dettaglio{margin:10px 0 24px;color:var(--attenuato);font-size:.97rem}
.piano .btn{margin-top:auto}
@media (max-width:1000px){.prezzi{grid-template-columns:1fr 1fr}}
@media (max-width:760px){.prezzi{grid-template-columns:1fr}}

/* Garanzia */
.garanzia{background:var(--tenue);text-align:center}
.garanzia p{margin:14px auto 0;max-width:56ch;color:var(--attenuato)}

/* Modulo */
.prova-griglia{display:grid;grid-template-columns:1fr 1.2fr;gap:56px;align-items:start}
form{display:grid;gap:20px;padding:28px;background:var(--superficie);border:1px solid var(--linea);border-radius:10px}
.due-colonne{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.campo label{display:block;margin-bottom:6px;font-weight:600;font-size:.97rem}
.facoltativo{font-weight:400;color:var(--attenuato)}
input,select,textarea{width:100%;min-height:50px;padding:11px 13px;border:1px solid #A9A296;border-radius:6px;background:#fff;color:var(--testo);font:inherit;font-size:16px}
textarea{resize:vertical}
input[type=file]{padding:12px 13px}
[aria-invalid=true]{border:2px solid var(--testo)}
.consenso{display:flex;gap:11px;align-items:flex-start;font-size:.93rem;color:var(--attenuato)}
.consenso input{flex:none;width:22px;height:22px;min-height:0;margin:2px 0 0;accent-color:var(--testo)}
.messaggio{padding:12px 14px;border-left:3px solid var(--testo);background:var(--tenue);font-weight:600;font-size:.97rem}
@media (max-width:900px){.prova-griglia{grid-template-columns:1fr;gap:28px}}
@media (max-width:560px){.due-colonne{grid-template-columns:1fr}form{padding:20px 16px}}

/* Domande */
#domande h2{margin-bottom:24px}
details{border-bottom:1px solid var(--linea)}
summary{min-height:56px;padding:15px 34px 15px 0;font-weight:600;cursor:pointer;list-style:none;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;top:12px;font-size:1.4rem;font-weight:400}
details[open] summary::after{content:"\2212"}
details p{padding:0 0 18px;color:var(--attenuato)}
.contatti{margin-top:64px}
.contatti h2{margin-bottom:10px}

/* Piè di pagina */
.piede{padding:30px 0;border-top:1px solid var(--linea);font-size:.93rem;color:var(--attenuato)}
.piede-riga{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 28px}
.piede nav{display:flex;gap:22px}

/* Pagine semplici */
.pagina{padding-top:56px;padding-bottom:88px}
.pagina h1{font-size:clamp(2rem,4.5vw,2.8rem)}
.pagina h2{font-size:1.3rem;margin-top:32px}
.pagina p{margin-top:14px}
.pagina .btn{margin-top:28px}
.segnaposto{padding:14px 16px;border-left:3px solid var(--testo);background:var(--tenue)}

/* Pagine di prova personalizzate */
.confronto-affiancato{margin-top:36px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.confronto-affiancato img{width:100%;border-radius:10px}
.confronto-affiancato figcaption{font-size:1rem;font-weight:600;color:var(--testo)}
@media (max-width:700px){.confronto-affiancato{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}