/* ==========================================================================
   Muffa Solving — foglio di stile
   Palette dal logo: blu #225378, giallo #FFDD59. Font locali: Manrope + Inter.
   ========================================================================== */

@font-face{font-family:"Manrope";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/manrope-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"Manrope";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/manrope-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"Manrope";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/manrope-latin-700-normal.woff2") format("woff2")}
@font-face{font-family:"Manrope";font-style:normal;font-weight:800;font-display:swap;src:url("../fonts/manrope-latin-800-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/inter-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/inter-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/inter-latin-600-normal.woff2") format("woff2")}

:root{
  --blu:#225378;
  --blu-scuro:#16384F;
  --blu-notte:#0F2838;
  --blu-medio:#2F6B97;
  --blu-chiaro:#E8F0F6;
  --blu-ghiaccio:#F3F7FA;
  --giallo:#FFDD59;
  --giallo-scuro:#F2C933;
  --giallo-ink:#8A6A00;
  --ink:#14212B;
  --ink-2:#46555F;
  --ink-3:#6B7A85;
  --carta:#FFFFFF;
  --neutro:#F6F4EF;
  --linea:#D6DFE6;
  --linea-scura:rgba(255,255,255,.18);
  --ok:#1E7A4A;
  --errore:#B3261E;

  --font-display:"Manrope",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;

  --wrap:1200px;
  --gutter:clamp(16px,4vw,40px);
  --sezione:clamp(64px,9vw,120px);
  --raggio:14px;
  --raggio-sm:8px;
  --ombra:0 10px 30px rgba(20,33,43,.10);
  --transizione:200ms cubic-bezier(.2,.7,.3,1);
  --mobile-bar-h:64px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;font-family:var(--font-body);font-size:1.0625rem;line-height:1.6;color:var(--ink);
  background:var(--carta);-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg,video,canvas{max-width:100%;height:auto;display:block}
a{color:var(--blu);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--blu-medio)}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.08;letter-spacing:-.02em;margin:0 0 .5em;color:inherit;text-wrap:balance}
h1{font-size:clamp(2.3rem,4.6vw,3.9rem);font-weight:800;line-height:1.02}
h2{font-size:clamp(1.85rem,3.4vw,2.9rem);font-weight:800}
h3{font-size:clamp(1.25rem,1.9vw,1.55rem);font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
strong{font-weight:600}
.lead{font-size:clamp(1.125rem,1.6vw,1.3rem);color:var(--ink-2);max-width:62ch}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.section{padding:var(--sezione) 0}
.section-blu{background:var(--blu);color:#fff}
.section-blu a{color:#fff}
.section-blu .lead{color:rgba(255,255,255,.82)}
.section-notte{background:var(--blu-notte);color:#fff}
.section-notte .lead,.section-notte a:not(.btn){color:rgba(255,255,255,.82)}
.section-neutro{background:var(--neutro)}
.section-ghiaccio{background:var(--blu-ghiaccio)}

/* Segno tipografico: tacca gialla di "misura" sotto i titoli di sezione */
.tacca{position:relative;padding-top:18px}
.tacca::before{content:"";position:absolute;left:0;top:0;width:56px;height:6px;background:var(--giallo);border-radius:3px}
.section-blu .tacca::before,.section-notte .tacca::before{background:var(--giallo)}

:focus-visible{outline:3px solid var(--giallo);outline-offset:3px;border-radius:4px}
.section-neutro :focus-visible,.section-ghiaccio :focus-visible,body > main > .section:not(.section-blu):not(.section-notte) :focus-visible{outline-color:var(--blu)}
.skip-link{position:absolute;left:8px;top:-60px;background:var(--giallo);color:var(--ink);padding:10px 14px;border-radius:8px;font-weight:600;z-index:1000;text-decoration:none}
.skip-link:focus{top:8px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Bottoni ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:12px 22px;border-radius:999px;border:2px solid transparent;
  font-family:var(--font-display);font-weight:700;font-size:1rem;line-height:1.2;
  text-decoration:none;cursor:pointer;transition:background var(--transizione),color var(--transizione),transform var(--transizione),box-shadow var(--transizione);
  text-align:center;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--blu);color:#fff}
.btn-primary:hover{background:var(--blu-medio);color:#fff}
.btn-accent{background:var(--giallo);color:var(--ink);box-shadow:0 6px 18px rgba(255,221,89,.35)}
.btn-accent:hover{background:var(--giallo-scuro);color:var(--ink)}
.btn-ghost{background:transparent;color:var(--blu);border-color:var(--blu)}
.btn-ghost:hover{background:var(--blu-chiaro)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-lg{min-height:56px;padding:14px 30px;font-size:1.0625rem}
.btn[disabled]{opacity:.6;cursor:progress}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--linea)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand img{width:40px;height:auto;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.1;white-space:nowrap}
.brand-text strong{font-family:var(--font-display);font-weight:800;font-size:1.15rem;letter-spacing:-.01em}
.brand-text small{font-size:.75rem;color:var(--ink-3);letter-spacing:.02em}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px}
.nav a:not(.btn){display:inline-block;white-space:nowrap;padding:10px 12px;border-radius:8px;color:var(--ink-2);text-decoration:none;font-weight:500;font-size:.98rem}
.nav a:not(.btn):hover{background:var(--blu-chiaro);color:var(--blu)}
.nav a[aria-current="page"]{color:var(--blu);font-weight:600;box-shadow:inset 0 -3px 0 var(--giallo)}
.nav{display:flex;align-items:center;gap:16px}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-actions .btn{white-space:nowrap;padding:10px 18px;min-height:44px;font-size:.95rem}
.nav-phone{font-weight:600;text-decoration:none;white-space:nowrap}
.nav-toggle{display:none;width:48px;height:48px;border:0;background:transparent;border-radius:10px;cursor:pointer;position:relative}
.nav-toggle-bar,.nav-toggle-bar::before,.nav-toggle-bar::after{position:absolute;left:12px;width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:transform var(--transizione),opacity var(--transizione);content:""}
.nav-toggle-bar{top:23px}
.nav-toggle-bar::before{top:-8px;left:0}
.nav-toggle-bar::after{top:8px;left:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before{transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after{transform:translateY(-8px) rotate(-45deg)}

@media (max-width:1780px){.nav a.nav-phone{display:none}}
@media (max-width:1500px){
  .nav a:not(.btn){padding:10px 9px;font-size:.92rem}
  .nav{gap:8px}
  .nav ul{gap:2px}
}
@media (max-width:1320px){
  .brand-text small{display:none}
  .nav a:not(.btn){padding:9px 7px;font-size:.88rem}
  .nav-actions .btn{padding:10px 14px;font-size:.9rem}
  .header-inner{gap:14px}
}
@media (max-width:1140px){
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--linea);padding:12px var(--gutter) 20px;flex-direction:column;align-items:stretch;box-shadow:var(--ombra)}
  .nav.is-open{display:flex}
  .nav ul{flex-direction:column;gap:0}
  .nav a:not(.btn){display:block;padding:14px 10px;font-size:1.05rem;border-bottom:1px solid var(--linea)}
  .nav a[aria-current="page"]{box-shadow:inset 4px 0 0 var(--giallo);padding-left:14px}
  .nav-actions{flex-direction:column;align-items:stretch;margin-top:12px}
  .nav a.nav-phone{display:block;text-align:center;padding:10px}
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--blu-ghiaccio) 100%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,11fr) minmax(0,13fr);gap:clamp(24px,4vw,56px);align-items:center;padding:clamp(40px,6vw,80px) 0 clamp(40px,6vw,72px)}
.hero-copy{position:relative;z-index:2}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;font-weight:600;color:var(--blu);margin-bottom:18px;font-size:.95rem}
.hero-kicker::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--giallo);box-shadow:0 0 0 4px rgba(255,221,89,.35)}
.hero h1{margin-bottom:.45em}
.hero h1 .riga{display:block}
.hero h1 .riga-2{color:var(--blu)}
.hero .lead{margin-bottom:1.6em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.hero-fatti{display:flex;flex-wrap:wrap;gap:8px 22px;padding:0;margin:0;list-style:none;color:var(--ink-2);font-size:.95rem}
.hero-fatti li{display:flex;align-items:flex-start;gap:8px;max-width:100%}
.hero-fatti svg{color:var(--blu);flex:none}

.hero-scene{position:relative;aspect-ratio:4/3;border-radius:22px;overflow:hidden;background:var(--blu-scuro);box-shadow:0 30px 60px rgba(22,56,79,.25)}
.hero-scene canvas{position:absolute;inset:0;width:100%!important;height:100%!important}
.hero-fallback{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-scene.has-3d .hero-fallback{opacity:0;transition:opacity .6s ease}
.hero-legenda{position:absolute;left:14px;right:14px;bottom:14px;display:grid;grid-template-columns:repeat(4,1fr);gap:6px;z-index:3}
.hero-legenda li{list-style:none;padding:8px 10px;border-radius:10px;background:rgba(15,40,56,.72);backdrop-filter:blur(6px);color:#fff;font-size:.8rem;line-height:1.2;border:1px solid rgba(255,255,255,.08);transition:background var(--transizione),border-color var(--transizione)}
.hero-legenda li strong{display:block;font-family:var(--font-display);font-size:.8rem;color:rgba(255,255,255,.7)}
.hero-legenda li.is-active{background:rgba(255,221,89,.95);color:var(--ink);border-color:var(--giallo)}
.hero-legenda li.is-active strong{color:var(--ink-2)}
.hero-nota{position:absolute;top:12px;right:12px;z-index:3;font-size:.75rem;color:rgba(255,255,255,.75);background:rgba(15,40,56,.6);padding:5px 9px;border-radius:999px}
.hero-sfondo{display:none}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;padding-top:32px}
  .hero-legenda{grid-template-columns:repeat(2,1fr)}
  .hero-sfondo{display:none}
}

/* ---------- Segnali ---------- */
.segnali-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:clamp(28px,5vw,72px);align-items:start}
.segnali-foto{position:relative;margin-top:28px}
.segnali-foto img{border-radius:var(--raggio);box-shadow:var(--ombra)}
.foto-didascalia{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);padding:8px 12px;border-radius:8px;font-size:.8rem;color:var(--ink-2);max-width:calc(100% - 28px)}
.segnali-foto .foto-2{position:absolute;right:-8%;bottom:-18%;width:44%;border:6px solid #fff;border-radius:var(--raggio);box-shadow:var(--ombra)}
.segnali-lista{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:14px}
.segnali-lista li{display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:start;padding:18px 0;border-top:1px solid var(--linea)}
.segnali-lista li:last-child{border-bottom:1px solid var(--linea)}
.segnali-lista .icona{width:48px;height:48px;border-radius:12px;background:var(--blu-chiaro);color:var(--blu);display:grid;place-items:center}
.segnali-lista h3{margin:0 0 4px;font-size:1.1rem}
.segnali-lista p{margin:0;color:var(--ink-2);font-size:.98rem}
@media (max-width:900px){
  .segnali-grid{grid-template-columns:1fr}
  .segnali-foto{margin:0 0 56px}
  .segnali-foto .foto-2{right:0;bottom:-14%;width:40%}
}

/* ---------- Ripitturare vs Risolvere ---------- */
.vs-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--raggio);overflow:hidden;margin-top:40px}
.vs-col{padding:clamp(28px,4vw,48px)}
.vs-col h3{font-size:clamp(1.6rem,2.6vw,2.2rem);margin-bottom:.4em}
.vs-copre{background:rgba(255,255,255,.07);border:1px solid var(--linea-scura)}
.vs-risolve{background:#fff;color:var(--ink)}
.vs-risolve h3{color:var(--blu)}
.vs-col ul{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}
.vs-col li{display:flex;gap:10px;align-items:flex-start}
.vs-col li svg{flex:none;margin-top:4px}
.vs-copre li svg{color:rgba(255,255,255,.55)}
.vs-risolve li svg{color:var(--blu)}
.vs-copre p,.vs-copre li{color:rgba(255,255,255,.8)}
@media (max-width:760px){.vs-grid{grid-template-columns:1fr}}

/* ---------- Metodo (timeline) ---------- */
.metodo-head{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:end;margin-bottom:48px}
.metodo-steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;counter-reset:step}
.metodo-steps::before{content:"";position:absolute;left:28px;right:28px;top:28px;height:2px;background:var(--linea)}
.step{position:relative;padding-top:76px}
.step::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:56px;height:56px;border-radius:50%;background:#fff;border:2px solid var(--blu);color:var(--blu);font-family:var(--font-display);font-weight:800;font-size:1.3rem;display:grid;place-items:center;z-index:1}
.step.is-visible::before{background:var(--giallo);border-color:var(--giallo);color:var(--ink)}
.step h3{margin-bottom:.3em}
.step p{color:var(--ink-2);font-size:.98rem;margin:0}
.step .tag{display:inline-block;margin-top:10px;font-size:.78rem;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--blu-chiaro);color:var(--blu)}
.step .tag-free{background:#E7F5EC;color:var(--ok)}
@media (max-width:900px){
  .metodo-head{grid-template-columns:1fr}
  .metodo-steps{grid-template-columns:1fr 1fr}
  .metodo-steps::before{display:none}
}
@media (max-width:560px){.metodo-steps{grid-template-columns:1fr}}

/* Rivelazione progressiva (JS aggiunge .is-visible) */
.rivela{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.rivela.is-visible{opacity:1;transform:none}
.rivela-2{transition-delay:.1s}.rivela-3{transition-delay:.2s}.rivela-4{transition-delay:.3s}
@media (prefers-reduced-motion:reduce){.rivela{opacity:1;transform:none;transition:none}}
.no-js .rivela{opacity:1;transform:none}

/* ---------- Diagnosi strumentale ---------- */
.diagnosi-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,72px);align-items:center}
.strumenti{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.strumento{background:#fff;border:1px solid var(--linea);border-radius:var(--raggio);padding:22px;display:grid;gap:10px}
.strumento .icona{width:44px;height:44px;border-radius:10px;background:var(--blu);color:var(--giallo);display:grid;place-items:center}
.strumento h3{font-size:1.1rem;margin:0}
.strumento p{margin:0;font-size:.95rem;color:var(--ink-2)}
.nota-onesta{margin-top:22px;padding:16px 18px;border-left:4px solid var(--giallo);background:#fff;border-radius:0 var(--raggio-sm) var(--raggio-sm) 0;font-size:.95rem;color:var(--ink-2)}
.nota-onesta strong{color:var(--ink)}
.termo-banda{position:relative;border-radius:var(--raggio);overflow:hidden;aspect-ratio:16/10;background:var(--blu-scuro)}
.termo-banda img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.termo-banda .termo-scala{position:absolute;left:18px;right:18px;bottom:18px;display:flex;align-items:center;gap:10px;color:#fff;font-size:.8rem}
.termo-banda .termo-scala span{flex:1;height:10px;border-radius:5px;background:linear-gradient(90deg,#0A2A5A,#1E6FB8,#2FB9A8,#F6E04A)}
.termo-banda .termo-nota{position:absolute;top:14px;left:18px;color:#fff;font-size:.8rem;background:rgba(15,40,56,.6);padding:5px 9px;border-radius:999px}
@media (max-width:900px){.diagnosi-grid{grid-template-columns:1fr}}
@media (max-width:520px){.strumenti{grid-template-columns:1fr}}

/* ---------- VMC ---------- */
.vmc-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,72px);align-items:center}
.vmc-lista{list-style:none;padding:0;margin:20px 0 28px;display:grid;gap:10px}
.vmc-lista li{display:flex;gap:12px;align-items:flex-start}
.vmc-lista li svg{flex:none;margin-top:3px;color:var(--giallo)}
.vmc-anim{position:relative;background:var(--blu-notte);border-radius:var(--raggio);padding:18px;box-shadow:var(--ombra)}
.vmc-anim svg{width:100%;height:auto}
.vmc-fasi{display:flex;gap:8px;margin:14px 0 0;padding:0;list-style:none;flex-wrap:wrap}
.vmc-fasi li{padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.08);color:rgba(255,255,255,.75);font-size:.82rem;border:1px solid rgba(255,255,255,.1)}
.vmc-fasi li.is-active{background:var(--giallo);color:var(--ink);border-color:var(--giallo)}
.vmc-nota{color:rgba(255,255,255,.65);font-size:.8rem;margin:12px 0 0}
.vmc-ctrl{position:absolute;top:14px;right:14px;z-index:2}
.vmc-ctrl button{min-height:44px;padding:8px 14px;font-size:.8rem;border-radius:999px;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.08);color:#fff;cursor:pointer}
.vmc-ctrl button:hover{background:rgba(255,255,255,.18)}
@media (max-width:900px){.vmc-grid{grid-template-columns:1fr}}

/* Stili SVG animazione VMC */
.vmc-svg .aria-calda{fill:#F39B4A}
.vmc-svg .aria-fredda{fill:#7FC7E8}
.vmc-svg .scambiatore rect{transition:fill 1.2s ease}
.vmc-svg[data-fase="estrazione"] .scambiatore rect{fill:#E8863C}
.vmc-svg[data-fase="immissione"] .scambiatore rect{fill:#F2B377}
.vmc-svg .flusso{opacity:0;transition:opacity .6s ease}
.vmc-svg[data-fase="estrazione"] .flusso-out{opacity:1}
.vmc-svg[data-fase="immissione"] .flusso-in{opacity:1}
.vmc-svg .particella{animation:vmc-scorri 2.6s linear infinite}
.vmc-svg .flusso-in .particella{animation-name:vmc-scorri-in}
.vmc-svg .ventola{animation:vmc-ruota 1.6s linear infinite}
@keyframes vmc-scorri{from{transform:translateX(0)}to{transform:translateX(420px)}}
@keyframes vmc-scorri-in{from{transform:translateX(0)}to{transform:translateX(-420px)}}
@keyframes vmc-ruota{to{transform:rotate(360deg)}}
.vmc-svg .sensore-led{animation:vmc-led 2s ease-in-out infinite}
@keyframes vmc-led{0%,100%{opacity:.35}50%{opacity:1}}
@media (prefers-reduced-motion:reduce){
  .vmc-svg .particella,.vmc-svg .ventola,.vmc-svg .sensore-led{animation:none}
  .vmc-svg .flusso{opacity:1}
  .vmc-svg[data-fase] .flusso{opacity:1}
}
.vmc-svg .etichetta{font-family:var(--font-body);font-size:15px;fill:#fff}
.vmc-svg .etichetta-piccola{font-family:var(--font-body);font-size:12px;fill:rgba(255,255,255,.65)}

/* ---------- Garanzia ---------- */
.garanzia-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,72px);align-items:center}
.garanzia-numero{font-family:var(--font-display);font-weight:800;font-size:clamp(5rem,12vw,10rem);line-height:.9;letter-spacing:-.05em;color:var(--blu);display:flex;align-items:baseline;gap:12px}
.garanzia-numero small{font-size:clamp(1.4rem,3vw,2.4rem);letter-spacing:-.02em;color:var(--ink-2)}
.garanzia-numero .sotto{display:block;font-size:1rem;font-weight:600;letter-spacing:0;color:var(--ink-2)}
.garanzia-ambito{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px}
.garanzia-box{background:#fff;border:1px solid var(--linea);border-radius:var(--raggio);padding:22px}
.garanzia-box h3{font-size:1.05rem;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.garanzia-box ul{margin:0;padding-left:1.1em;font-size:.95rem;color:var(--ink-2)}
.garanzia-box li+li{margin-top:6px}
.garanzia-box.copre h3 svg{color:var(--ok)}
.garanzia-box.non-copre h3 svg{color:var(--ink-3)}
@media (max-width:900px){.garanzia-grid{grid-template-columns:1fr}}
@media (max-width:560px){.garanzia-ambito{grid-template-columns:1fr}}

/* ---------- Simone / chi siamo ---------- */
.persona-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:clamp(28px,5vw,72px);align-items:center}
.persona-visual{position:relative}
.persona-visual img{border-radius:var(--raggio)}
.persona-card{position:absolute;left:-6%;bottom:-10%;width:72%;background:#fff;color:var(--ink);border-radius:var(--raggio);padding:22px 24px;box-shadow:var(--ombra)}
.persona-card blockquote{margin:0;font-family:var(--font-display);font-weight:600;font-size:1.15rem;line-height:1.35;letter-spacing:-.01em}
.persona-card cite{display:block;margin-top:12px;font-style:normal;font-size:.9rem;color:var(--ink-2)}
.persona-fatti{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.persona-fatti li{display:flex;gap:12px;align-items:flex-start}
.persona-fatti svg{flex:none;color:var(--giallo);margin-top:3px}
.persona-nota{font-size:.8rem;color:rgba(255,255,255,.55);margin-top:14px}
@media (max-width:900px){
  .persona-grid{grid-template-columns:1fr}
  .persona-visual{margin-bottom:60px}
  .persona-card{left:5%;width:88%;bottom:-16%}
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(28px,5vw,72px);align-items:start}
.faq-head{position:sticky;top:100px}
.faq-head p{color:var(--ink-2)}
.faq-item{border-top:1px solid var(--linea)}
.faq-item:last-child{border-bottom:1px solid var(--linea)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 48px 20px 0;font-family:var(--font-display);font-weight:700;font-size:1.1rem;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";position:absolute;right:6px;top:50%;width:14px;height:14px;border-right:2px solid var(--blu);border-bottom:2px solid var(--blu);transform:translateY(-70%) rotate(45deg);transition:transform var(--transizione)}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item summary:hover{color:var(--blu)}
.faq-body{padding:0 0 22px;color:var(--ink-2)}
.faq-body p{margin:0;max-width:70ch}
@media (max-width:900px){.faq-grid{grid-template-columns:1fr}.faq-head{position:static}}

/* ---------- CTA band ---------- */
.cta-band{background:var(--blu);color:#fff;padding:clamp(48px,6vw,80px) 0;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,221,89,.28),transparent 65%);pointer-events:none}
.cta-band-inner{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:center;position:relative;z-index:1}
.cta-band h2{font-size:clamp(1.6rem,2.8vw,2.3rem);margin-bottom:.4em}
.cta-band p{color:rgba(255,255,255,.82);margin:0;max-width:56ch}
.cta-band-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
@media (max-width:900px){.cta-band-inner{grid-template-columns:1fr}.cta-band-actions{justify-content:flex-start}}

/* ---------- Contatti + form ---------- */
.contatti-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,72px);align-items:start}
.contatti-canali{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:14px}
.contatti-canali li{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start}
.contatti-canali .icona{width:44px;height:44px;border-radius:12px;background:var(--blu-chiaro);color:var(--blu);display:grid;place-items:center}
.contatti-canali strong{display:block;font-family:var(--font-display);font-size:1rem}
.contatti-canali a{font-size:1.05rem}
.contatti-canali span{color:var(--ink-2);font-size:.92rem;display:block}
.contatti-foto{margin-top:32px;border-radius:var(--raggio);overflow:hidden}
.form-card{background:#fff;border:1px solid var(--linea);border-radius:20px;padding:clamp(22px,3.5vw,40px);box-shadow:var(--ombra)}
.form-title{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:.3em}
.form-intro{color:var(--ink-2);margin-bottom:1.6em}
.contact-form{display:grid;gap:18px}
.field{display:grid;gap:6px}
.field label{font-weight:600;font-size:.95rem}
.field .req{color:var(--errore)}
.field .opt{font-weight:400;color:var(--ink-3)}
.field input,.field textarea{font:inherit;font-size:1rem;padding:13px 14px;border:1.5px solid var(--linea);border-radius:10px;background:#fff;color:var(--ink);min-height:48px;transition:border-color var(--transizione),box-shadow var(--transizione);width:100%}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blu);box-shadow:0 0 0 3px rgba(34,83,120,.18)}
.field.has-error input,.field.has-error textarea{border-color:var(--errore)}
.field-hint{margin:0;font-size:.85rem;color:var(--ink-3)}
.field-error{margin:0;font-size:.88rem;color:var(--errore);font-weight:500;min-height:0}
.field-error:empty{display:none}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-privacy{font-size:.9rem;color:var(--ink-2);margin:0}
.btn-loading{display:none}
.contact-form.is-sending .btn-label{display:none}
.contact-form.is-sending .btn-loading{display:inline}
.form-status{display:none;padding:14px 16px;border-radius:10px;font-size:.98rem}
.form-status.is-ok{display:block;background:#E7F5EC;color:#14532D;border:1px solid #9FD6B3}
.form-status.is-error{display:block;background:#FDECEA;color:#7F1D1D;border:1px solid #F2B8B5}
.form-alt{margin:22px 0 0;font-size:.95rem;color:var(--ink-2)}
@media (max-width:900px){.contatti-grid{grid-template-columns:1fr}}

/* ---------- Pagine interne: intestazione ---------- */
.pagina-hero{background:linear-gradient(180deg,#fff,var(--blu-ghiaccio));padding:clamp(40px,6vw,72px) 0 clamp(32px,5vw,56px);border-bottom:1px solid var(--linea)}
.pagina-hero .lead{margin-bottom:0}
.pagina-hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:end}
.pagina-hero-grid img{border-radius:var(--raggio);box-shadow:var(--ombra);width:100%;max-height:420px;object-fit:cover}
@media (max-width:900px){.pagina-hero-grid{grid-template-columns:1fr}}
.prosa{max-width:72ch}
.prosa h2{margin-top:1.6em}
.prosa h3{margin-top:1.4em}
.prosa ul li+li,.prosa ol li+li{margin-top:.35em}
.due-colonne{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:start}
@media (max-width:800px){.due-colonne{grid-template-columns:1fr}}
.box{background:#fff;border:1px solid var(--linea);border-radius:var(--raggio);padding:clamp(20px,3vw,32px)}
.box-blu{background:var(--blu);color:#fff;border-color:var(--blu)}
.box-giallo{background:var(--giallo);color:var(--ink);border-color:var(--giallo)}
.box h3{margin-top:0}
.lista-spunte{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.lista-spunte li{display:flex;gap:10px;align-items:flex-start}
.lista-spunte svg{flex:none;margin-top:4px;color:var(--blu)}
.section-blu .lista-spunte svg,.box-blu .lista-spunte svg{color:var(--giallo)}

/* Confronto muffa/condensa */
.confronto{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:32px 0}
.confronto .box h3{display:flex;align-items:center;gap:10px}
.confronto .box ul{padding-left:1.1em;color:var(--ink-2);margin:0}
@media (max-width:700px){.confronto{grid-template-columns:1fr}}

/* Percorso (come interveniamo) */
.percorso{list-style:none;padding:0;margin:40px 0 0;display:grid;gap:0;counter-reset:tappa}
.tappa{display:grid;grid-template-columns:72px minmax(0,1fr) minmax(0,220px);gap:20px;padding:28px 0;border-top:1px solid var(--linea);align-items:start}
.tappa:last-child{border-bottom:1px solid var(--linea)}
.tappa::before{counter-increment:tappa;content:counter(tappa);width:56px;height:56px;border-radius:50%;background:var(--blu-chiaro);color:var(--blu);font-family:var(--font-display);font-weight:800;font-size:1.3rem;display:grid;place-items:center}
.tappa.gratis::before{background:var(--giallo);color:var(--ink)}
.tappa h3{margin-bottom:.3em}
.tappa p{margin:0;color:var(--ink-2)}
.tappa .tappa-meta{font-size:.9rem;color:var(--ink-2);padding:12px 14px;background:var(--neutro);border-radius:var(--raggio-sm)}
.tappa .tappa-meta strong{display:block;color:var(--ink);font-family:var(--font-display)}
@media (max-width:760px){.tappa{grid-template-columns:56px 1fr}.tappa .tappa-meta{grid-column:2}}

/* Scheda tecnica VMC */
.scheda{width:100%;border-collapse:collapse;font-size:.95rem;margin:16px 0 0}
.scheda th,.scheda td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--linea);vertical-align:top}
.scheda th{font-weight:600;color:var(--ink);width:40%}
.scheda td{color:var(--ink-2)}

/* Pagine legali */
.legale .prosa{max-width:76ch}
.legale h2{font-size:clamp(1.4rem,2.2vw,1.8rem);margin-top:2em}
.legale h3{font-size:1.15rem}
.legale .aggiornato{color:var(--ink-3);font-size:.9rem}
.legale table{width:100%;border-collapse:collapse;font-size:.95rem;margin:12px 0 24px}
.legale th,.legale td{text-align:left;padding:10px;border-bottom:1px solid var(--linea);vertical-align:top}
.legale th{background:var(--neutro);font-weight:600}

/* ---------- Footer ---------- */
.site-footer{background:var(--blu-notte);color:rgba(255,255,255,.8);padding:clamp(48px,6vw,72px) 0 0;margin-top:0}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{text-decoration:underline;color:var(--giallo)}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) repeat(3,minmax(0,2.5fr));gap:32px}
.footer-brand img{width:96px;margin-bottom:16px}
.footer-claim{max-width:36ch;font-size:.95rem}
.footer-title{font-family:var(--font-display);font-size:.95rem;font-weight:700;color:#fff;margin:0 0 12px;letter-spacing:0}
.footer-col .footer-title+.footer-list+.footer-title{margin-top:22px}
.footer-list{list-style:none;padding:0;margin:0;display:grid;gap:8px;font-size:.95rem}
.footer-legal{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:22px;padding-bottom:calc(22px + env(safe-area-inset-bottom));font-size:.85rem;color:rgba(255,255,255,.6)}
.footer-legal p{margin:0 0 8px}
.footer-note{max-width:80ch}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* ---------- Contatti fissi: WhatsApp + barra mobile ---------- */
.wa-float{
  position:fixed;right:max(16px,env(safe-area-inset-right));bottom:calc(16px + env(safe-area-inset-bottom));
  width:60px;height:60px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;
  box-shadow:0 8px 24px rgba(0,0,0,.22);z-index:60;transition:transform var(--transizione),box-shadow var(--transizione);
}
.wa-float:hover{transform:translateY(-2px);color:#fff;box-shadow:0 12px 28px rgba(0,0,0,.28)}
.wa-float:focus-visible{outline:3px solid var(--giallo)}
.mobile-bar{display:none}
@media (max-width:760px){
  body{padding-bottom:calc(var(--mobile-bar-h) + env(safe-area-inset-bottom))}
  .mobile-bar{
    display:grid;grid-template-columns:1fr 1.4fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:60;
    padding:8px calc(80px + env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) 8px;
    background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--linea);
    min-height:calc(var(--mobile-bar-h) + env(safe-area-inset-bottom));
  }
  .mobile-bar-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:48px;min-width:0;padding:6px 8px;border-radius:12px;background:var(--blu-chiaro);color:var(--blu);font-weight:700;font-family:var(--font-display);text-decoration:none;font-size:.88rem;line-height:1.1;text-align:center;overflow:hidden}
  .mobile-bar-btn-accent{background:var(--giallo);color:var(--ink)}
  .wa-float{bottom:calc(10px + env(safe-area-inset-bottom));width:56px;height:56px;right:max(12px,env(safe-area-inset-right))}
}

/* Stampa */
@media print{.site-header,.wa-float,.mobile-bar,.cta-band,.hero-scene{display:none!important}}

/* Animazione VMC in pausa */
.vmc-svg.is-paused .particella,.vmc-svg.is-paused .ventola,.vmc-svg.is-paused .sensore-led{animation-play-state:paused}

/* ==========================================================================
   Sfondi fotografici, parallasse e profondità 3D
   ========================================================================== */
.ha-sfondo{position:relative;isolation:isolate;overflow:hidden}
.sfondo{position:absolute;inset:-12% 0;z-index:-2;pointer-events:none}
.sfondo picture,.sfondo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.sfondo img{will-change:transform;transform:translate3d(0,var(--par,0),0) scale(1.06)}
.velo{position:absolute;inset:0;z-index:-1;pointer-events:none}
/* Veli per leggibilità del testo */
.velo-chiaro{background:linear-gradient(90deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.9) 45%,rgba(255,255,255,.55) 100%)}
.velo-chiaro-pieno{background:rgba(255,255,255,.82)}
.velo-blu{background:linear-gradient(90deg,rgba(34,83,120,.96) 0%,rgba(34,83,120,.9) 50%,rgba(22,56,79,.78) 100%)}
.velo-notte{background:linear-gradient(180deg,rgba(15,40,56,.9),rgba(15,40,56,.86))}
.velo-neutro{background:linear-gradient(90deg,rgba(246,244,239,.97) 0%,rgba(246,244,239,.86) 55%,rgba(246,244,239,.6) 100%)}
.velo-tramonto{background:linear-gradient(90deg,rgba(22,56,79,.94) 0%,rgba(34,83,120,.82) 55%,rgba(34,83,120,.55) 100%)}
@media (max-width:900px){
  .velo-chiaro{background:rgba(255,255,255,.9)}
  .velo-neutro{background:rgba(246,244,239,.92)}
  .velo-blu{background:rgba(34,83,120,.92)}
  .velo-tramonto{background:rgba(22,56,79,.9)}
}

/* Hero: sfondo fotografico dietro il titolo */
.hero{background:none}
.hero .velo-hero{background:linear-gradient(90deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 40%,rgba(243,247,250,.55) 100%)}
@media (max-width:900px){.hero .velo-hero{background:rgba(255,255,255,.9)}}

/* Pagina hero interna con sfondo pieno */
.pagina-hero{position:relative;isolation:isolate;overflow:hidden;background:none;min-height:clamp(320px,38vw,460px);display:flex;align-items:flex-end}
.pagina-hero.hero-scuro{color:#fff;border-bottom:0}
.pagina-hero.hero-scuro .lead{color:rgba(255,255,255,.85)}
.pagina-hero.hero-scuro .aggiornato{color:rgba(255,255,255,.65)}
.pagina-hero .wrap{width:100%}
.pagina-hero-grid{grid-template-columns:minmax(0,8fr) minmax(0,4fr)}

/* Tilt 3D al puntatore */
[data-tilt]{transform-style:preserve-3d;transition:transform .25s ease,box-shadow .25s ease;will-change:transform}
.tilt-scena{perspective:1200px}
@media (hover:hover){
  [data-tilt]:hover{box-shadow:0 24px 50px rgba(20,33,43,.18)}
  .strumento[data-tilt]:hover,.garanzia-box[data-tilt]:hover,.vs-col[data-tilt]:hover{z-index:2}
}
.hero-scene{transform-style:preserve-3d}
.hero-scene .hero-legenda,.hero-scene .hero-nota{transform:translateZ(40px)}

/* Elementi che "galleggiano" */
@keyframes galleggia{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.galleggia{animation:galleggia 6s ease-in-out infinite}
.garanzia-numero{position:relative}
.garanzia-numero::after{content:"";position:absolute;left:-14px;top:-6px;width:min(220px,60%);height:70%;background:var(--giallo);opacity:.22;border-radius:30% 70% 60% 40%/50% 40% 60% 50%;z-index:-1;animation:galleggia 7s ease-in-out infinite}

/* Profondità sui passi del metodo */
.step{transition:transform .3s ease}
@media (hover:hover){.step:hover{transform:translateY(-6px)}}
.step::before{box-shadow:0 8px 18px rgba(34,83,120,.18)}

/* Isoterme decorative (linee di temperatura) in sfondo */
.isoterme{position:absolute;right:-6%;top:-10%;width:60%;max-width:820px;z-index:-1;opacity:.35;pointer-events:none}
.isoterme path{fill:none;stroke:currentColor;stroke-width:1.2;stroke-dasharray:6 10;animation:isoterma 24s linear infinite}
.isoterme path:nth-child(2n){animation-duration:32s;animation-direction:reverse}
@keyframes isoterma{to{stroke-dashoffset:-320}}
.section-blu .isoterme,.section-notte .isoterme{color:#fff;opacity:.14}
.section-neutro .isoterme{color:var(--blu);opacity:.16}

@media (prefers-reduced-motion:reduce){
  .sfondo img{transform:none!important}
  .galleggia,.garanzia-numero::after,.isoterme path{animation:none}
  [data-tilt]{transform:none!important}
}

/* ---------- Lavora con noi ---------- */
.lavora-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,40px);align-items:stretch}
.lavora-card{position:relative;background:#fff;border:1px solid var(--linea);border-radius:20px;padding:clamp(24px,3.5vw,44px);box-shadow:var(--ombra);display:flex;flex-direction:column}
.lavora-card-blu{background:var(--blu);color:#fff;border-color:var(--blu)}
.lavora-card-blu .lead{color:rgba(255,255,255,.85)}
.lavora-card-blu a:not(.btn){color:#fff}
.lavora-card-blu .lista-spunte svg{color:var(--giallo)}
.lavora-icona{width:56px;height:56px;border-radius:14px;background:var(--blu-chiaro);color:var(--blu);display:grid;place-items:center;margin-bottom:18px}
.lavora-card-blu .lavora-icona{background:rgba(255,255,255,.12);color:var(--giallo)}
.lavora-card h3{font-size:1.1rem;margin:1.4em 0 .5em}
.lavora-azioni{display:flex;flex-wrap:wrap;gap:12px;margin-top:auto;padding-top:20px}
.lavora-nota{font-size:.92rem;color:var(--ink-2);margin:16px 0 0}
.lavora-card-blu .lavora-nota{color:rgba(255,255,255,.78)}
.lavora-privacy{margin:28px 0 0;font-size:.95rem;color:var(--ink-2);max-width:80ch}
@media (max-width:860px){.lavora-grid{grid-template-columns:1fr}}