:root{
  --paper:#F3F0E9; --panel:#FFFFFF; --ink:#221F1B; --muted:#6C675C; --line:#DEDACD;
  --red:#8F0514; --red-ink:#8F0514; --steel:#3E5568; --night:#1C2B33;
  --iso-c1:#E7E2D3; --iso-c2:#C7C0AB; --iso-c3:#A79F87;
  --iso-w1:#D9CDB8; --iso-w2:#B7A88C; --iso-w3:#93866A;
  --iso-g1:#CBE3EC; --iso-g2:#8FB9CB; --iso-g3:#5F8FA3;
  --iso-s1:#7C93A3; --iso-s2:#516575; --iso-s3:#38495570;
  --iso-r1:#B5533C; --iso-r2:#8C3E2C; --iso-r3:#6E2F21;
  --iso-red:#8F0514; --iso-red2:#6E040F; --iso-red3:#52030B;
  --iso-ground1:#DCD6C6; --iso-ground2:#C3BCA6; --iso-ground3:#A79F87;
  --iso-line:#4A4235; --iso-dash:#8F8672; --iso-sun:#E7B23C;
  --glass-rgb:243,240,233; --glass-edge:255,255,255;
  --paper-rgb:243,240,233;
  --photo-filter:saturate(.8) sepia(.16) contrast(1.07) brightness(1.02) hue-rotate(-4deg);
  --head:"Space Grotesk",-apple-system,sans-serif; --body:"IBM Plex Sans","Segoe UI",sans-serif;
  box-sizing:border-box; padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#181613; --panel:#221F1B; --ink:#ECE8E0; --muted:#A39C8D; --line:#3A3529; --night:#0E1216;
    --iso-c1:#8A8368; --iso-c2:#6C6752; --iso-c3:#514D3D;
    --iso-w1:#7A705A; --iso-w2:#5E5645; --iso-w3:#453F32;
    --iso-g1:#5C7B8A; --iso-g2:#3E5B6B; --iso-g3:#2A404C;
    --iso-s1:#5C7284; --iso-s2:#3E4F5E; --iso-s3:#28323b70;
    --iso-ground1:#3A362B; --iso-ground2:#2C2820; --iso-ground3:#201D17;
    --iso-line:#D8D2C2; --iso-dash:#8F8672; --red-ink:#E0525F;
    --glass-rgb:34,31,27; --glass-edge:255,255,255;
    --paper-rgb:24,22,19;
    --photo-filter:saturate(.72) sepia(.12) contrast(1.1) brightness(.94) hue-rotate(-4deg);
  }
}
:root[data-theme="dark"]{
  --paper:#181613; --panel:#221F1B; --ink:#ECE8E0; --muted:#A39C8D; --line:#3A3529; --night:#0E1216;
  --iso-c1:#8A8368; --iso-c2:#6C6752; --iso-c3:#514D3D;
  --iso-w1:#7A705A; --iso-w2:#5E5645; --iso-w3:#453F32;
  --iso-g1:#5C7B8A; --iso-g2:#3E5B6B; --iso-g3:#2A404C;
  --iso-s1:#5C7284; --iso-s2:#3E4F5E; --iso-s3:#28323b70;
  --iso-ground1:#3A362B; --iso-ground2:#2C2820; --iso-ground3:#201D17;
  --iso-line:#D8D2C2; --iso-dash:#8F8672; --red-ink:#E0525F;
  --glass-rgb:34,31,27; --glass-edge:255,255,255;
  --paper-rgb:24,22,19;
  --photo-filter:saturate(.72) sepia(.12) contrast(1.1) brightness(.94) hue-rotate(-4deg);
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-behavior:smooth;scroll-padding-top:2rem;-webkit-text-size-adjust:100%;text-size-adjust:100%}
a,button,label{-webkit-tap-highlight-color:transparent}
html{background:var(--paper)}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.05rem/1.6 var(--body);position:relative;z-index:0}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:url('../media/015eeda1b7.webp');
  background-size:cover;background-position:center;background-repeat:no-repeat}
img,svg{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--red-ink);outline-offset:3px}
.wrap{width:min(1160px,100% - 2.5rem);margin-inline:auto}
h1,h2,h3{font-family:var(--head);font-weight:600;line-height:1.05;margin:0;letter-spacing:-.01em}

/* header */
header{position:relative;z-index:20;padding-top:calc(env(safe-area-inset-top,0px) + .6rem);padding-bottom:.6rem;background:transparent}
.bar{position:relative;display:flex;align-items:center;justify-content:space-between;gap:1rem;background:transparent;padding:.4rem 0}
.bar-spacer{width:44px;flex:none}
.logo{display:block;line-height:0;margin-inline:auto}
:root{--logo-h:104px}
.logo svg{height:var(--logo-h);width:auto;overflow:visible}
.logo path[fill="#930515"]{filter:drop-shadow(0 calc(5px / var(--u,.3)) calc(14px / var(--u,.3)) rgba(0,0,0,.7))}
.logo .t{font-family:var(--head);font-weight:600;letter-spacing:-.01em;fill:#fff;stroke:#930515;stroke-width:calc(2.6px / var(--u,.3));stroke-linejoin:round;paint-order:stroke fill;filter:drop-shadow(0 calc(1.2px / var(--u,.3)) calc(3px / var(--u,.3)) rgba(0,0,0,.42))}
.btn{display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;font-weight:600;font-family:var(--body);padding:.75rem 1.35rem;background:var(--red);color:#fff;border-radius:999px;border:2px solid var(--red)}
.btn:hover{background:var(--iso-red2);border-color:var(--iso-red2)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--ink)}
.menu-check{position:absolute;opacity:0;width:0;height:0;pointer-events:none}
.menu-toggle{flex:none;display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;background:var(--panel);border:1px solid var(--line);border-radius:999px;color:var(--ink);cursor:pointer;box-shadow:0 10px 26px -16px rgba(20,18,14,.35)}
.menu-toggle svg{width:20px;height:20px}
.menu-toggle .icon-close{display:none}
.menu-check:checked ~ .menu-toggle{border-color:var(--ink)}
.menu-check:checked ~ .menu-toggle .icon-open{display:none}
.menu-check:checked ~ .menu-toggle .icon-close{display:block}
.nav-panel{position:absolute;top:calc(100% + .6rem);right:0;width:min(240px,80vw);z-index:15;display:none;flex-direction:column;gap:.15rem;background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:.5rem;box-shadow:0 20px 44px -18px rgba(20,18,14,.4)}
.menu-check:checked ~ .nav-panel{display:flex}
.nav-panel a{text-decoration:none;color:var(--ink);font-weight:500;padding:.85rem 1.1rem;border-radius:16px}
.nav-panel a:hover{background:var(--paper)}

/* hero */
.hero{padding-block:clamp(3rem,9vw,7rem) clamp(4rem,10vw,8rem)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:2.5rem;align-items:center}
.eyebrow{display:none}
.hero h1{font-size:clamp(1.9rem,7.5vw,2.8rem);max-width:none;text-align:center;text-wrap:balance}
.hero-grid>div:first-child{text-align:center}
.hero p.lead{margin-inline:auto;text-align:left}
.hero .actions{justify-content:center}
@media (min-width:900px){.hero h1{font-size:clamp(2rem,3.6vw,2.9rem);white-space:nowrap}}
.hero p.lead{color:var(--ink);max-width:40rem;margin:1.5rem auto 2.25rem;font-size:clamp(calc(1.05rem + 2pt),calc(2vw + 2pt),calc(1.25rem + 2pt))}
.actions{display:flex;flex-wrap:wrap;gap:.85rem}

section{padding-block:clamp(3rem,7vw,5.5rem)}
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:1.5rem;margin-bottom:2.5rem}
h2{font-size:clamp(2rem,4.4vw,2.9rem)}
.lead{color:var(--muted);max-width:32rem;margin-top:.6rem}

/* servizi */
.services{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}
.service{background:var(--panel);border:1px solid var(--line);border-radius:28px;padding:1.6rem 1.5rem;display:flex;flex-direction:column;gap:1rem}
.service .ic{width:74px;height:74px}
.service .ic.photo{width:100%;height:120px;border-radius:18px;overflow:hidden}
.service .ic.photo img{width:100%;height:100%;object-fit:cover;display:block;filter:var(--photo-filter)}
.service h3{font-size:1.25rem}
.service p{margin:0;color:var(--muted);font-size:.96rem}
@media (max-width:980px){.services{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.services{grid-template-columns:1fr}}

/* lavori */
.projects{display:grid;gap:1.5rem;margin-top:0}
.project{background:var(--panel);border:1px solid var(--line);border-radius:32px;padding:1.4rem;display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;align-items:center;text-decoration:none;color:inherit;transition:transform .15s ease,box-shadow .15s ease}
.project:hover{transform:translateY(-3px);box-shadow:0 14px 30px -18px rgba(0,0,0,.35)}
.pics{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.pic{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:1rem .6rem .6rem;text-align:center}
.pic svg{height:120px;width:100%}
.pic img{height:150px;width:100%;object-fit:cover;display:block;border-radius:12px;filter:var(--photo-filter)}
.pic span{display:block;font-size:.78rem;font-weight:600;color:var(--muted);margin-top:.5rem}
.pmeta h3{font-size:1.55rem}
.pmeta p{margin:.5rem 0 1rem;color:var(--muted)}
.facts{display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;margin:0}
.facts dt{font-size:.8rem;color:var(--muted)}
.facts dd{margin:0;font-weight:600}
@media (max-width:820px){.project{grid-template-columns:1fr}.pmeta{order:-1}}
@media (max-width:460px){.pics{grid-template-columns:1fr}}

/* metodo — linea di quota, stile disegno tecnico */
.method{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.timeline{position:relative;margin-top:3rem;padding-top:2.5rem}
.timeline::before{content:"";position:absolute;top:0;left:0;right:0;height:0;border-top:1.5px dashed var(--line)}
.tline{display:grid;grid-template-columns:repeat(4,1fr)}
.tstep{position:relative;padding-top:1.75rem}
.tstep::before{content:"";position:absolute;top:-6px;left:0;width:12px;height:12px;border-radius:50%;background:var(--red);border:3px solid var(--panel);box-shadow:0 0 0 1.5px var(--red)}
.tstep h3{font-size:1.3rem;margin-bottom:.4rem}
.tstep p{margin:0;color:var(--muted);font-size:.95rem}
@media (max-width:760px){.tline{grid-template-columns:1fr;gap:1.75rem}.timeline::before{left:6px;top:0;bottom:0;width:0;height:auto;border-top:0;border-left:1.5px dashed var(--line)}.tstep{padding-top:0;padding-left:2rem}.tstep::before{top:.35rem;left:-.25rem}}

/* azienda */
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:2.5rem;align-items:start}
.values{display:grid;gap:1.1rem;margin-top:0}
.value{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:1.25rem 1.5rem}
.value h3{font-size:1.15rem;margin-bottom:.35rem}
.value p{margin:0;color:var(--muted);font-size:.95rem}
@media (max-width:860px){.about-grid{grid-template-columns:1fr}}

/* contatti */
.contact{background:var(--night);color:#F3F1EC;border-radius:40px;margin-inline:auto;width:min(1160px,100% - 2.5rem);padding:clamp(2rem,6vw,3.5rem)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:start}
.contact .lead{color:#C7C2B4}
#servizi .lead,#servizi .service p{color:var(--ink)}
#servizi .lead{font-size:calc(1.05rem + 2pt)}
.hero p.lead,#servizi .lead{background:rgba(var(--paper-rgb),.88);padding:.7rem 1rem;border-radius:14px;width:fit-content;max-width:min(40rem,100%);box-sizing:border-box}
.details{display:grid;gap:1rem;margin:0}
.details dt{font-size:.85rem;color:#C7C2B4}
.details dd{margin:0;font-size:1.2rem}
.contact .btn{background:var(--red);border-color:var(--red);margin-top:1.5rem}
.contact .btn:hover{background:var(--iso-red2);border-color:var(--iso-red2)}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr;gap:1.75rem}}

footer{padding-block:2rem;font-size:.88rem;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;gap:.6rem 2rem;justify-content:space-between}
footer a,footer .linkbtn{font-weight:600;color:var(--ink)}
footer .linkbtn{background:none;border:0;padding:0;font:inherit;font-weight:600;cursor:pointer;text-decoration:underline}
.legalline{flex-basis:100%;margin:.4rem 0 0;line-height:1.55;max-width:78ch}

/* privacy */
.legal{display:none;padding-block:clamp(2.5rem,6vw,4.5rem)}
.legal.is-open{display:block}
html.on-page main{display:none}
.legal .wrap{width:min(800px,100% - 2.5rem)}
.legal .panel{background:var(--panel);border:1px solid var(--line);border-radius:32px;padding:clamp(1.5rem,4vw,2.75rem)}
.legal h1{font-size:clamp(2.2rem,5.5vw,3.2rem)}
.legal h2{font-size:1.5rem;margin:2rem 0 .6rem}
.legal p,.legal li{max-width:65ch;color:var(--ink)}
.legal ul{padding-left:1.2rem}
.legal .meta{color:var(--muted);margin:.75rem 0 0}
.legal .back{display:inline-block;margin-bottom:1.25rem;font-weight:600;color:var(--red-ink)}
.legal .panel.wide{max-width:72rem}

.works-grid{margin-top:2rem;display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}
.work-card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:22px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .15s ease,box-shadow .15s ease}
.work-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px -18px rgba(0,0,0,.35)}
.wc-thumb{aspect-ratio:4/3;overflow:hidden;background:var(--paper)}
.wc-thumb img,.wc-thumb svg{width:100%;height:100%;object-fit:cover;display:block;filter:var(--photo-filter)}
.wc-body{padding:1.25rem 1.4rem 1.5rem}
.wc-body h3{margin:0 0 .5rem;font:600 1.15rem/1.3 var(--head)}
.wc-body p{margin:0 0 .9rem;color:var(--muted);font-size:.95rem}
.wc-link{font-weight:600;color:var(--red-ink);font-size:.9rem}
@media (max-width:640px){.works-grid{grid-template-columns:1fr}}

.gallery-grid{margin-top:2rem;display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.gph{border-radius:16px;overflow:hidden;background:var(--panel);border:1px solid var(--line);aspect-ratio:4/3}
.gph img{width:100%;height:100%;object-fit:cover;display:block;filter:var(--photo-filter);cursor:zoom-in;transition:transform .2s ease}
.gph img:hover{transform:scale(1.03)}

.lightbox{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;background:rgba(10,9,7,.92);padding:3rem 1.5rem}
.lightbox.open{display:flex}
.lightbox img{transition:opacity .25s ease;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;border-radius:10px;box-shadow:0 20px 60px -10px rgba(0,0,0,.6)}
.lb-close{position:absolute;top:1.1rem;right:1.4rem;width:2.6rem;height:2.6rem;border-radius:50%;border:none;background:rgba(255,255,255,.12);color:#fff;font-size:1.8rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}
.lb-close:hover{background:rgba(255,255,255,.22)}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:3rem;height:3rem;border-radius:50%;border:none;background:rgba(255,255,255,.12);color:#fff;font-size:2rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}
.lb-nav:hover{background:rgba(255,255,255,.22)}
.lb-prev{left:1rem}
.lb-next{right:1rem}
.lb-count{position:absolute;bottom:1.2rem;left:50%;transform:translateX(-50%);margin:0;color:rgba(255,255,255,.75);font-size:.85rem;font-weight:600;letter-spacing:.02em}
@media (max-width:460px){
  .lightbox{padding:1.2rem .6rem}
  .lb-nav{width:2.4rem;height:2.4rem;font-size:1.6rem}
  .lb-prev{left:.3rem}
  .lb-next{right:.3rem}
}
.gph-illustr{aspect-ratio:1/1;text-align:center;padding:1.5rem 1rem;display:flex;flex-direction:column;align-items:center;justify-content:center}
.gph-illustr svg{height:140px;width:100%}
.gph-illustr span{display:block;font-size:.82rem;font-weight:600;color:var(--muted);margin-top:.6rem}
@media (max-width:720px){.gallery-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:460px){.gallery-grid{grid-template-columns:1fr}}

.req-form{margin-top:2rem;display:flex;flex-direction:column;gap:1.1rem;max-width:38rem}
.req-hp{position:absolute;opacity:0;width:0;height:0;pointer-events:none}
.req-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.req-field{display:flex;flex-direction:column;gap:.4rem}
.req-field label{font-size:.88rem;font-weight:600;color:var(--muted)}
.req-field input,.req-field textarea{font:inherit;font-size:max(16px,1em);-webkit-appearance:none;appearance:none;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:.75rem .9rem;resize:vertical}
.req-field input:focus-visible,.req-field textarea:focus-visible{outline:2px solid var(--red-ink);outline-offset:1px}
.req-consent{display:flex;align-items:flex-start;gap:.6rem;font-size:.9rem;color:var(--muted)}
.req-consent input{margin-top:.2rem}
.req-form .btn{align-self:flex-start}
.req-status{margin:0;font-size:.9rem;min-height:1.2em}
.req-status.err{color:var(--red-ink)}
.req-done h2{font-size:1.8rem;margin-top:2rem}
.req-done p{max-width:60ch;color:var(--muted)}
@media (max-width:560px){.req-row{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* intro: logo grande al centro all'apertura, poi si riduce scorrendo */
.intro-spacer{display:none}
html.intro:not(.on-page) .intro-spacer{display:block;height:var(--intro-h,70vh)}
html.intro:not(.on-page) header{position:sticky;top:0}
html.intro:not(.on-page) .logo{position:relative;z-index:1;flex:none;width:var(--lw);height:var(--lh)}
html.intro:not(.on-page) .logo svg{position:absolute;left:50%;top:0;width:auto;max-width:none;height:var(--bigh);transform-origin:50% 0;transform:translate(-50%,0) scale(1);will-change:transform;backface-visibility:hidden}
html.intro:not(.on-page) .menu-toggle{position:relative;z-index:3}

/* barra di navigazione: compare quando il logo si e' ridotto, sempre presente nelle pagine */
header{padding-top:calc(env(safe-area-inset-top,0px) + 4.7rem)}
.topnav{position:fixed;top:calc(env(safe-area-inset-top,0px) + .6rem);left:50%;z-index:30;display:flex;gap:.15rem;max-width:calc(100% - 1.5rem);overflow-x:auto;scrollbar-width:none;
  background:linear-gradient(135deg,rgba(17,36,64,.92),rgba(24,52,88,.82));
  -webkit-backdrop-filter:blur(14px) saturate(1.2);backdrop-filter:blur(14px) saturate(1.2);
  border:1px solid rgba(160,190,230,.22);border-right:4px solid var(--red);border-radius:22px 6px 6px 22px;
  padding:.45rem;box-shadow:0 22px 44px -16px rgba(10,20,40,.6);
  opacity:0;pointer-events:none;transform:translate(-50%,-14px);transition:opacity .3s ease,transform .3s ease}
.topnav::-webkit-scrollbar{display:none}
html:not(.intro) .topnav,html.nav-on .topnav{opacity:1;pointer-events:auto;transform:translate(-50%,0)}
.topnav a{color:#F4F2EE;text-decoration:none;font-weight:500;white-space:nowrap;padding:.6rem 1rem;border-radius:12px 4px 4px 12px;border-left:3px solid transparent;transition:background .15s,border-color .15s}
.topnav a:hover,.topnav a:focus-visible,.topnav a[aria-current="page"]{background:rgba(255,255,255,.1);border-left-color:var(--red)}
@media (max-width:480px){.topnav{padding:.35rem}.topnav a{padding:.55rem .55rem;font-size:.84rem}}
#tutti-i-lavori .wrap{width:min(1160px,100% - 2.5rem)}
#tutti-i-lavori .panel{background:none;border:0;padding:0;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;max-width:none}
#tutti-i-lavori h1,#tutti-i-lavori .meta{color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.75),0 2px 14px rgba(0,0,0,.55)}
#tutti-i-lavori .projects-wrap{margin-top:2rem}
#contatti .wrap{width:min(1160px,100% - 2.5rem)}
#contatti .contact{width:100%;background:linear-gradient(135deg,rgba(17,36,64,.84),rgba(24,52,88,.68));border:1px solid rgba(160,190,230,.22);border-left:4px solid var(--red);border-radius:6px 24px 24px 6px;
  -webkit-backdrop-filter:blur(12px) saturate(1.2);backdrop-filter:blur(12px) saturate(1.2);box-shadow:0 18px 40px -22px rgba(10,20,40,.6)}
#contatti .contact-grid{grid-template-columns:1fr;gap:0}
#contatti .contact .btn{margin-top:1.75rem}

/* telefoni e tablet: niente sfocatura dello sfondo (pesante durante lo scorrimento), riquadri un po' piu' opachi */
@media (hover:none) and (pointer:coarse){
  *,*::before,*::after{-webkit-backdrop-filter:none!important;backdrop-filter:none!important}
  .service,.project,.value,.work-card,.legal .panel,.gph,#contatti .contact{background:linear-gradient(135deg,rgba(17,36,64,.93),rgba(24,52,88,.86))}
  .hero p.lead,#servizi .lead{background:linear-gradient(135deg,rgba(18,22,30,.9),rgba(18,22,30,.82))}
  .topnav{background:linear-gradient(135deg,rgba(17,36,64,.97),rgba(24,52,88,.94))}
}

/* animazione del logo: durante l'intro il riquadro e' un'immagine gia' pronta (nessun filtro da ricalcolare a ogni frame) */
.logo .bmp,.logo .t-sh{display:none}
html.intro:not(.on-page) .logo .vec{display:none}
html.intro:not(.on-page) .logo .bmp{display:inline}
html.intro:not(.on-page) .logo .t{filter:none}
html.intro:not(.on-page) .logo .t-sh{display:inline;fill:#000;stroke:#000;opacity:.34;transform:translateY(calc(1.2px / var(--u,.3)))}
.ck-banner{position:fixed;left:50%;transform:translateX(-50%);width:calc(100% - 2rem);bottom:calc(1rem + env(safe-area-inset-bottom,0px));max-width:560px;box-sizing:border-box;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:20px;box-shadow:0 30px 60px -20px rgba(20,18,14,.45);padding:1.1rem 1.2rem;z-index:1000;display:none}
.ck-banner.open{display:block}
.ck-banner h2{font-family:var(--head);font-size:1.05rem;margin:0 2rem .4rem 0}
.ck-banner p{margin:0 0 .9rem;font-size:.88rem;color:var(--muted)}
.ck-banner p a{color:var(--red-ink);font-weight:600}
.ck-x{position:absolute;top:.6rem;right:.7rem;background:none;border:0;font-size:1.5rem;line-height:1;color:var(--muted);cursor:pointer;padding:.2rem .4rem}
.ck-row{display:flex;flex-wrap:wrap;gap:.5rem}
.ck-row button{flex:1 1 7rem;font:inherit;font-weight:600;font-size:.9rem;padding:.7rem 1rem;border-radius:999px;border:2px solid var(--red);background:var(--red);color:#fff;cursor:pointer}
.ck-row button.alt{background:transparent;color:var(--ink);border-color:var(--line)}
.ck-row button.alt:hover{border-color:var(--ink)}
.ck-opts{display:none;margin:0 0 .9rem;display:none;gap:.55rem;flex-direction:column}
.ck-opts.open{display:flex}
.ck-opt{display:flex;gap:.7rem;align-items:flex-start;font-size:.85rem;border:1px solid var(--line);border-radius:14px;padding:.65rem .8rem}
.ck-opt input{margin-top:.2rem;width:18px;height:18px;flex:none;accent-color:var(--red)}
.ck-opt b{display:block;font-size:.88rem}
.ck-opt span{color:var(--muted)}
@media(max-width:480px){.ck-banner{width:calc(100% - 1.2rem)}}
/* riquadri frase iniziale: stile moderno, vetro scuro con filo rosso */
.hero p.lead,#servizi .lead{
  background:linear-gradient(135deg,rgba(18,22,30,.78),rgba(18,22,30,.62));
  -webkit-backdrop-filter:blur(14px) saturate(1.2);backdrop-filter:blur(14px) saturate(1.2);
  color:#F4F2EE;border:1px solid rgba(255,255,255,.16);border-left:4px solid var(--red);
  border-radius:6px 22px 22px 6px;padding:1.05rem 1.5rem;
  box-shadow:0 18px 40px -18px rgba(10,12,18,.55);letter-spacing:.005em}
.hero p.lead{text-align:center;border-left:1px solid rgba(255,255,255,.16);border-top:4px solid var(--red);border-radius:6px 6px 22px 22px}
#servizi .lead{color:#F4F2EE}
/* tutti i riquadri: vetro scuro con filo rosso */
.service,.project,.value,.work-card,.legal .panel,.gph{
  --ink:#F4F2EE;--muted:rgba(244,242,238,.74);--line:rgba(255,255,255,.18);--paper:rgba(255,255,255,.08);--red-ink:#FF9C9C;
  background:linear-gradient(135deg,rgba(18,22,30,.80),rgba(18,22,30,.64));
  -webkit-backdrop-filter:blur(12px) saturate(1.2);backdrop-filter:blur(12px) saturate(1.2);
  color:#F4F2EE;border:1px solid rgba(255,255,255,.16);border-left:4px solid var(--red);
  border-radius:6px 24px 24px 6px;box-shadow:0 18px 40px -18px rgba(10,12,18,.55)}
.project{border-left:1px solid rgba(255,255,255,.16);border-top:4px solid var(--red);border-radius:6px 6px 28px 28px}
.work-card{border-radius:6px 22px 22px 6px}
.gph{border-radius:6px 16px 16px 6px;border-left-width:3px}
.legal .panel{border-radius:6px 28px 28px 6px}
.service h3,.value h3,.project h3,.work-card h3,.legal .panel h1,.legal .panel h2{color:#fff}
.service p,#servizi .service p,.value p,.project p,.work-card p,.legal .panel p,.legal .panel li{color:var(--muted)}
#servizi .service p{color:rgba(244,242,238,.86)}
.facts dd,.facts dt{color:inherit}
.facts dt{color:var(--muted)}
.wc-link{color:#FF9C9C}
.pic{border-color:rgba(255,255,255,.2);background:rgba(255,255,255,.07)}
.pic .cap,.pic span,.pic figcaption{color:var(--muted)}
/* riquadri: blu notte, vicino al grafite delle frasi iniziali */
.service,.project,.value,.work-card,.legal .panel,.gph{background:linear-gradient(135deg,rgba(17,36,64,.84),rgba(24,52,88,.68));border-color:rgba(160,190,230,.22)}
.pic{background:rgba(120,160,215,.10);border-color:rgba(160,190,230,.25)}
.service,.value,.work-card,.legal .panel,.gph{border-left-color:var(--red)}
.project{border-top-color:var(--red)}
.btn.ghost{background:linear-gradient(135deg,#112440,#183458);color:#fff;border-color:#183458}
.btn.ghost:hover{background:linear-gradient(135deg,#183458,#21447a);border-color:#21447a}
/* menu: pulsante e pannello blu notte */
.menu-toggle{background:linear-gradient(135deg,#112440,#183458);border:1px solid rgba(160,190,230,.35);color:#fff;box-shadow:0 10px 26px -12px rgba(10,20,40,.6)}
.menu-check:checked ~ .menu-toggle{border-color:var(--red);background:linear-gradient(135deg,#183458,#21447a)}
.nav-panel{
  background:linear-gradient(135deg,rgba(17,36,64,.92),rgba(24,52,88,.82));
  -webkit-backdrop-filter:blur(14px) saturate(1.2);backdrop-filter:blur(14px) saturate(1.2);
  border:1px solid rgba(160,190,230,.22);border-right:4px solid var(--red);border-radius:22px 6px 6px 22px;
  padding:.55rem;box-shadow:0 22px 44px -16px rgba(10,20,40,.6)}
.nav-panel a{color:#F4F2EE;border-radius:12px 4px 4px 12px;border-left:3px solid transparent;transition:background .15s,border-color .15s}
.nav-panel a:hover,.nav-panel a:focus-visible{background:rgba(255,255,255,.1);border-left-color:var(--red)}
/* testi direttamente sulla foto: chiari con ombra, per restare leggibili senza velo */
.hero h1,.section-head h2,#azienda h2,.section-head .lead,#azienda>.wrap>div>p,#azienda .about p{color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.75),0 2px 14px rgba(0,0,0,.55)}
.section-head h2,#servizi h2{color:#fff}

/* footer sulla foto: testo chiaro con ombra */
footer,footer .legalline,footer span,footer a,footer .linkbtn,footer p{color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.85),0 0 10px rgba(0,0,0,.6)}
/* ---- testata: barra in cima alla pagina (non fissa), logo a sinistra, sfumata sulla foto ---- */
:root{--logo-h:68px}
header.sitebar{position:relative;z-index:30;padding:0;margin:0;background:none}
header.sitebar::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(12,26,50,.92) 0%,rgba(14,30,56,.74) 55%,rgba(16,34,62,0) 100%)}
.sb-in{position:relative;z-index:1;width:min(1160px,100% - 2.5rem);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1.2rem;padding:calc(env(safe-area-inset-top,0px) + 1rem) 0 1.9rem}
.sb-logo{flex:none;margin:0}
.sb-nav{display:flex;gap:.2rem;margin-left:auto;min-width:0}
.sb-nav a{color:#fff;text-decoration:none;font-weight:500;font-size:1.02rem;white-space:nowrap;padding:.65rem 1.05rem;border-radius:12px 4px 4px 12px;border-left:3px solid transparent;text-shadow:0 1px 3px rgba(0,0,0,.7),0 0 12px rgba(0,0,0,.45);transition:background .15s,border-color .15s}
.sb-nav a:hover,.sb-nav a:focus-visible,.sb-nav a[aria-current="page"]{background:rgba(255,255,255,.12);border-left-color:var(--red)}
@media (max-width:700px){
  .sb-in{flex-direction:column;align-items:flex-start;gap:.5rem;padding-bottom:1.6rem}
  .sb-nav{width:100%;margin:0;overflow-x:auto;scrollbar-width:none}
  .sb-nav::-webkit-scrollbar{display:none}
  :root{--logo-h:56px}
}
@media (max-width:420px){.sb-nav{gap:0}.sb-nav a{padding:.5rem .45rem;font-size:.78rem}}
@media (max-width:360px){.sb-nav a{padding:.5rem .3rem;font-size:.72rem}}
/* home: introduzione a tempo (solo con JavaScript attivo e senza "riduci movimento") */
html.hx .sb-logo{position:relative;z-index:2;width:var(--lw,194px);height:var(--lh,var(--logo-h))}
html.hx .sb-logo svg{position:absolute;left:0;top:0;width:auto;max-width:none;height:var(--bigh,var(--logo-h));transform-origin:0 0;will-change:transform;backface-visibility:hidden;visibility:hidden}
html.hx-ready .sb-logo svg{visibility:visible}
html.hx .sb-logo .vec{display:none}
html.hx .sb-logo .bmp{display:inline}
html.hx .sb-logo .t{filter:none}
html.hx .sb-logo .t-sh{display:inline;fill:#000;stroke:#000;opacity:.34;transform:translateY(calc(1.2px / var(--u,.3)))}
html.hx header.sitebar::before{opacity:0}
html.hx-bar header.sitebar::before{opacity:1;transition:opacity 1s ease}
html.hx .sb-nav a{opacity:0;transform:translateY(-8px)}
html.hx-nav .sb-nav a{opacity:1;transform:none;transition:opacity .7s ease,transform .7s ease,background .15s,border-color .15s}
html.hx-nav .sb-nav a:nth-child(1){transition-delay:0s,0s,0s,0s}
html.hx-nav .sb-nav a:nth-child(2){transition-delay:.22s,.22s,0s,0s}
html.hx-nav .sb-nav a:nth-child(3){transition-delay:.44s,.44s,0s,0s}
html.hx-nav .sb-nav a:nth-child(4){transition-delay:.66s,.66s,0s,0s}
html.hx-nav .sb-nav a:nth-child(5){transition-delay:.88s,.88s,0s,0s}
html.hx .hero,html.hx #servizi{opacity:0}
html.hx-skip *{transition:none!important}
html.hx-main .hero,html.hx-main #servizi{opacity:1;transition:opacity 1.1s ease}

.lightbox{z-index:1100}
/* ---- richiesta guidata dalle foto: messaggio nel visore e blocco nella pagina Lavori ---- */
.lb-ask{position:absolute;inset:0;z-index:3;display:none;align-items:center;justify-content:center;padding:1.2rem;background:rgba(8,14,26,.72)}
.lb-ask.open{display:flex}
.ask-card{width:min(440px,100%);box-sizing:border-box;background:linear-gradient(135deg,rgba(17,36,64,.97),rgba(24,52,88,.94));border:1px solid rgba(160,190,230,.22);border-left:4px solid var(--red);border-radius:6px 24px 24px 6px;padding:1.6rem 1.5rem;box-shadow:0 30px 60px -20px rgba(0,0,0,.6);color:#fff}
.ask-card h2,.ask-card h3{font-family:var(--head);font-size:1.3rem;line-height:1.25;margin:0 0 1.2rem;color:#fff}
.ask-row{display:flex;flex-wrap:wrap;gap:.6rem}
.ask-row .btn,.ask-row .btn-alt{flex:1 1 9rem;text-align:center;margin:0;box-sizing:border-box}
.ask-row .btn{display:flex;align-items:center;justify-content:center}
.btn-alt{display:inline-flex;align-items:center;justify-content:center;font:inherit;font-weight:600;padding:.85rem 1.4rem;border-radius:999px;border:2px solid rgba(255,255,255,.4);background:transparent;color:#fff;cursor:pointer;text-decoration:none}
.btn-alt:hover,.btn-alt:focus-visible{border-color:#fff}
.work-cta{margin-top:2.5rem;background:linear-gradient(135deg,rgba(17,36,64,.84),rgba(24,52,88,.68));border:1px solid rgba(160,190,230,.22);border-left:4px solid var(--red);border-radius:6px 24px 24px 6px;padding:1.6rem 1.5rem;box-shadow:0 18px 40px -22px rgba(10,20,40,.6)}
.work-cta h2{font-family:var(--head);font-size:1.4rem;margin:0 0 1.1rem;color:#fff;text-shadow:none}
.req-choice{border:0;margin:0 0 1.1rem;padding:0;display:flex;flex-wrap:wrap;gap:.6rem}
.req-choice legend{font-weight:600;margin-bottom:.5rem;padding:0}
.req-choice label{display:flex;align-items:center;gap:.5rem;border:1px solid rgba(160,190,230,.3);border-radius:14px;padding:.65rem .9rem;cursor:pointer;flex:1 1 12rem}
.req-choice input{accent-color:var(--red);width:18px;height:18px}
.legal .back{color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.85),0 0 10px rgba(0,0,0,.6)}
.collab-q{border:0;margin:1.75rem 0 0;padding:0}
.collab-q legend{font-family:var(--head);font-size:1.3rem;font-weight:600;color:#fff;margin-bottom:.9rem;padding:0}
.collab-opts{display:flex;flex-direction:column;gap:.6rem}
.collab-opt{display:flex;align-items:center;gap:.9rem;border:1px solid rgba(160,190,230,.3);border-radius:14px;padding:.85rem 1.1rem;cursor:pointer;font-size:1.05rem;font-weight:500;color:#fff;transition:border-color .2s,background .2s}
.collab-opt:hover{border-color:rgba(255,255,255,.6)}
.collab-opt:has(input:checked){border-color:var(--red);background:rgba(143,5,20,.28)}
.collab-opt input{appearance:none;-webkit-appearance:none;flex:none;width:24px;height:24px;margin:0;border:2px solid rgba(255,255,255,.6);border-radius:6px;background:transparent;display:grid;place-content:center;cursor:pointer}
.collab-opt input::after{content:"";width:12px;height:12px;border-radius:2px;background:#fff;transform:scale(0);transition:transform .15s}
.collab-opt input:checked{background:var(--red);border-color:var(--red)}
.collab-opt input:checked::after{transform:scale(1)}
.collab-opt input:focus-visible{outline:2px solid #fff;outline-offset:3px}
.collab-form{display:grid;grid-template-rows:0fr;opacity:0;transform:translateY(-10px);transition:grid-template-rows .5s ease,opacity .45s ease,transform .5s ease}
.collab-form.open{grid-template-rows:1fr;opacity:1;transform:none}
.collab-form>div{overflow:hidden;min-height:0}
.collab-form form{padding-top:1.5rem}
@media (prefers-reduced-motion:reduce){.collab-form{transition:none}}
@media (max-width:420px){.topnav{padding:.3rem;gap:0}.topnav a{padding:.5rem .38rem;font-size:.76rem}}
@media (max-width:370px){.topnav{max-width:calc(100% - 1rem)}.topnav a{padding:.5rem .28rem;font-size:.72rem}}
@media (max-width:330px){.topnav a{padding:.45rem .2rem;font-size:.66rem}}
.req-consent input{flex:none}
.req-consent span{flex:1 1 auto;min-width:0}
.req-ref{margin:1rem 0 0;color:var(--muted)}
.req-ref b{color:#fff}