/* Sismoelettrica – anteprima nuovo sito. Mobile-first. */
:root{
  --text-xs:clamp(.75rem,.7rem + .25vw,.875rem);
  --text-sm:clamp(.875rem,.8rem + .35vw,1rem);
  --text-base:clamp(1rem,.95rem + .25vw,1.125rem);
  --text-lg:clamp(1.125rem,1rem + .75vw,1.5rem);
  --text-xl:clamp(1.5rem,1.2rem + 1.25vw,2.25rem);
  --text-2xl:clamp(2rem,1.2rem + 2.5vw,3.5rem);
  --text-3xl:clamp(2.25rem,1rem + 3.6vw,4.5rem);
  --space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--space-32:8rem;
  /* Palette: abisso, falda, azzurro logo */
  --abyss:#041325;      /* sfondo scuro principale */
  --deep:#0a2340;       /* superfici scure */
  --deep-2:#103154;
  --line-dark:#1d4470;
  --azure:#0a9be0;      /* accento (blu logo) */
  --azure-strong:#0778b0;/* accento su chiaro (contrasto AA) */
  --azure-soft:#7fd0f5;
  --ice:#e8f3fa;
  --bg:#f5f8fb;
  --surface:#ffffff;
  --border:#d6e2ec;
  --text:#0d1f33;
  --muted:#4d6176;
  --on-dark:#e9f2f9;
  --on-dark-muted:#9fb7cc;
  --radius-sm:.375rem;--radius-md:.625rem;--radius-lg:1rem;
  --shadow-md:0 6px 24px rgba(4,19,37,.08);
  --ease:cubic-bezier(.16,1,.3,1);
  --font-display:'Cabinet Grotesk','General Sans',system-ui,sans-serif;
  --font-body:'General Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,'SFMono-Regular',Menlo,monospace;
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);font-size:var(--text-base);line-height:1.65;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:var(--azure-strong);text-underline-offset:3px}
a:hover{color:var(--abyss)}
h1,h2,h3{font-family:var(--font-display);line-height:1.1;letter-spacing:-.01em;margin:0 0 var(--space-4);text-wrap:balance}
h2{font-size:var(--text-xl);font-weight:800}
h3{font-family:var(--font-body);font-size:var(--text-lg);font-weight:700;line-height:1.25}
p{margin:0 0 var(--space-4);max-width:68ch}
ul{margin:0 0 var(--space-4);padding-left:1.15rem}
li{margin-bottom:var(--space-2)}
:focus-visible{outline:3px solid var(--azure);outline-offset:3px;border-radius:4px}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--space-5)}
@media(min-width:768px){.wrap{padding-inline:var(--space-8)}}
.skip{position:absolute;left:-999px;top:0;background:var(--azure);color:#fff;padding:var(--space-2) var(--space-4);z-index:100}
.skip:focus{left:var(--space-4)}

/* Banner anteprima */
.preview-bar{background:#ffd76a;color:#3a2a00;font-size:var(--text-xs);text-align:center;padding:var(--space-2) var(--space-4);font-weight:600}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(4,19,37,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(127,208,245,.12)}
.hdr{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);min-height:68px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand img{height:34px;width:auto}
.nav{display:none}
.nav a{color:var(--on-dark);text-decoration:none;font-size:var(--text-sm);font-weight:500;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);transition:background .18s var(--ease),color .18s var(--ease)}
.nav a:hover,.nav a[aria-current="page"]{background:rgba(127,208,245,.12);color:#fff}
.nav .dd{position:relative}
.nav .dd>button{all:unset;cursor:pointer;color:var(--on-dark);font-size:var(--text-sm);font-weight:500;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);display:inline-flex;align-items:center;gap:6px}
.nav .dd>button:focus-visible{outline:3px solid var(--azure)}
.nav .dd>button::after{content:"";width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-3px)}
.nav .dd-menu{position:absolute;top:calc(100% + 8px);left:-12px;width:320px;background:var(--deep);border:1px solid var(--line-dark);border-radius:var(--radius-md);padding:var(--space-2);box-shadow:0 18px 40px rgba(0,0,0,.35);display:none}
.nav .dd:hover .dd-menu,.nav .dd:focus-within .dd-menu,.nav .dd.open .dd-menu{display:block}
.nav .dd-menu a{display:block;padding:var(--space-2) var(--space-3)}
.hdr-right{display:flex;align-items:center;gap:var(--space-3)}
.lang{display:flex;align-items:center;font-family:var(--font-mono);font-size:var(--text-xs);color:var(--on-dark-muted);border:1px solid var(--line-dark);border-radius:999px;overflow:hidden}
.lang span,.lang a{padding:4px 7px;color:var(--on-dark-muted);text-decoration:none}
.lang a:hover{color:#fff;background:rgba(127,208,245,.1)}
.lang .on{background:rgba(127,208,245,.16);color:#fff}
.hdr-right{display:flex;align-items:center;gap:var(--space-3)}
.hdr-right>.lang{display:none}
@media(min-width:1280px){.hdr-right>.lang{display:flex}}
.lang-m{margin-top:var(--space-5);width:max-content}
.lang-m a,.lang-m span{border-bottom:0!important;padding:8px 12px!important;font-size:var(--text-xs)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);font-family:var(--font-body);font-weight:700;font-size:var(--text-sm);line-height:1;padding:.9rem 1.3rem;border-radius:999px;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--azure);color:#02101f}
.btn-primary:hover{background:var(--azure-soft);color:#02101f}
.btn-ghost{border-color:rgba(233,242,249,.4);color:var(--on-dark)}
.btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.06)}
.btn-dark{background:var(--abyss);color:#fff}
.btn-dark:hover{background:var(--deep-2);color:#fff}
.hdr .btn{display:none}
.burger{all:unset;cursor:pointer;width:44px;height:44px;display:grid;place-items:center;border-radius:var(--radius-sm);color:#fff}
.burger:focus-visible{outline:3px solid var(--azure)}
.burger span{display:block;width:22px;height:2px;background:currentColor;box-shadow:0 -7px 0 currentColor,0 7px 0 currentColor}
.mnav{display:none;background:var(--abyss);border-top:1px solid var(--line-dark);padding:var(--space-4) 0 var(--space-6);max-height:calc(100vh - 68px);overflow:auto}
.mnav.open{display:block}
.mnav a{display:block;color:var(--on-dark);text-decoration:none;padding:var(--space-3) 0;border-bottom:1px solid rgba(29,68,112,.6);font-weight:500}
.mnav .sub a{padding-left:var(--space-4);font-size:var(--text-sm);color:var(--on-dark-muted)}
.mnav .label{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--azure-soft);text-transform:uppercase;letter-spacing:.08em;margin-top:var(--space-4)}
.mnav .btn{margin-top:var(--space-5);width:100%}
@media(min-width:1240px){
  .nav{display:flex;align-items:center;gap:2px}
  .nav a,.nav .dd>button{white-space:nowrap}
  .hdr .btn{display:inline-flex}
  .burger,.mnav,.mnav.open{display:none}
}

/* Etichette stile log di pozzo */
.kicker{display:inline-flex;align-items:center;gap:var(--space-3);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.08em;text-transform:uppercase;color:var(--azure-strong);margin-bottom:var(--space-4)}
.kicker::before{content:"";width:28px;height:1.5px;background:currentColor}
.dark .kicker{color:var(--azure-soft)}

/* Hero home */
.hero{position:relative;background:var(--abyss);color:var(--on-dark);overflow:hidden;isolation:isolate}
.hero-art{position:absolute;inset:0;z-index:-1}
.hero-art svg{width:100%;height:100%}
.hero-inner{padding-block:clamp(var(--space-16),10vw,var(--space-32)) clamp(var(--space-20),14vw,13rem);position:relative}
.hero h1{font-size:var(--text-3xl);font-weight:800;max-width:15ch;color:#fff;margin-bottom:var(--space-6)}
.hero h1 em{font-style:normal;color:var(--azure-soft)}
.hero .lead{font-size:var(--text-lg);line-height:1.5;color:var(--on-dark);max-width:46ch;margin-bottom:var(--space-8)}
.cta-row{display:flex;flex-wrap:wrap;gap:var(--space-3)}
.hero-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:rgba(127,208,245,.18);border:1px solid rgba(127,208,245,.18);border-radius:var(--radius-md);overflow:hidden;margin-top:var(--space-12);max-width:820px}
.hero-facts div{background:rgba(4,19,37,.82);padding:var(--space-4) var(--space-5)}
.hero-facts b{display:block;font-family:var(--font-display);font-size:clamp(1.35rem,1rem + 1vw,1.85rem);white-space:nowrap;font-weight:800;color:#fff;line-height:1.1}
.hero-facts span{font-size:var(--text-xs);color:var(--on-dark-muted)}
@media(min-width:768px){.hero-facts{grid-template-columns:repeat(4,minmax(0,1fr))}}
.depth-ruler{display:none}
@media(min-width:1100px){
  .depth-ruler{display:flex;flex-direction:column;justify-content:space-between;position:absolute;right:var(--space-8);top:var(--space-16);bottom:var(--space-16);font-family:var(--font-mono);font-size:var(--text-xs);color:var(--on-dark-muted);border-right:1px solid rgba(127,208,245,.35);padding-right:var(--space-3);text-align:right}
}

/* Hero pagine interne */
.phero{position:relative;background:var(--abyss);color:var(--on-dark);overflow:hidden;isolation:isolate}
.phero::before{content:"";position:absolute;inset:0;z-index:-1;background:url("strata.svg") right bottom/cover no-repeat;opacity:.9}
.phero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(4,19,37,.97) 0%,rgba(4,19,37,.88) 50%,rgba(4,19,37,.35) 100%)}
.phero-inner{padding-block:var(--space-12) var(--space-16)}
@media(min-width:768px){.phero-inner{padding-block:var(--space-16) var(--space-24)}}
.phero h1{font-size:var(--text-2xl);font-weight:800;color:#fff;max-width:22ch;margin-bottom:var(--space-5)}
.phero .lead{font-size:var(--text-lg);line-height:1.5;max-width:52ch;color:var(--on-dark);margin-bottom:var(--space-8)}
.crumbs{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--on-dark-muted);margin-bottom:var(--space-6);display:flex;flex-wrap:wrap;gap:6px}
.crumbs a{color:var(--on-dark-muted);text-decoration:none}
.crumbs a:hover{color:#fff}
.facts{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-top:var(--space-8)}
.facts span{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--on-dark);border:1px solid rgba(127,208,245,.3);background:rgba(10,35,64,.7);border-radius:999px;padding:6px 12px}

/* Sezioni */
.section{padding-block:clamp(var(--space-12),8vw,var(--space-24))}
.section.tint{background:var(--ice)}
.section.dark{background:var(--deep);color:var(--on-dark)}
.section.dark h2,.section.dark h3{color:#fff}
.section.dark p{color:var(--on-dark)}
.sec-head{max-width:760px;margin-bottom:var(--space-10)}
.sec-head p{color:var(--muted)}
.dark .sec-head p{color:var(--on-dark-muted)}

/* Griglia servizi */
.svc-grid{display:grid;gap:var(--space-4);grid-template-columns:1fr}
@media(min-width:640px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.svc-grid{grid-template-columns:repeat(3,1fr)}}
.svc{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-6);text-decoration:none;color:var(--text);transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease)}
.svc:hover{border-color:var(--azure);transform:translateY(-2px);box-shadow:var(--shadow-md);color:var(--text)}
.svc .ico{width:44px;height:44px;border-radius:10px;background:var(--ice);color:var(--azure-strong);display:grid;place-items:center;margin-bottom:var(--space-4)}
.svc .ico svg{width:24px;height:24px}
.svc h3{font-size:var(--text-base);margin-bottom:var(--space-2)}
.svc p{font-size:var(--text-sm);color:var(--muted);margin-bottom:var(--space-4)}
.svc .more{margin-top:auto;font-size:var(--text-sm);font-weight:700;color:var(--azure-strong)}
.svc.feat{background:var(--abyss);border-color:var(--abyss);color:var(--on-dark)}
.svc.feat h3{color:#fff}.svc.feat p{color:var(--on-dark-muted)}.svc.feat .more{color:var(--azure-soft)}
.svc.feat .ico{background:rgba(127,208,245,.14);color:var(--azure-soft)}
.svc.feat .tag{position:absolute;top:var(--space-5);right:var(--space-5);font-family:var(--font-mono);font-size:var(--text-xs);color:#02101f;background:var(--azure);border-radius:999px;padding:3px 10px}

/* Split */
.split{display:grid;gap:var(--space-10);align-items:center}
@media(min-width:900px){.split{grid-template-columns:1.05fr 1fr;gap:var(--space-16)}.split.rev>:first-child{order:2}}
.media{border-radius:var(--radius-lg);overflow:hidden;background:var(--deep);aspect-ratio:4/3}
.media img{width:100%;height:100%;object-fit:cover}
figure{margin:0}
figcaption{font-size:var(--text-xs);color:var(--muted);margin-top:var(--space-2)}
.dark figcaption{color:var(--on-dark-muted)}

/* Fasi */
.steps{list-style:none;padding:0;margin:0;counter-reset:s;display:grid;gap:0}
.steps li{counter-increment:s;position:relative;padding:0 0 var(--space-8) var(--space-16);margin:0;border-left:1.5px dashed var(--border);margin-left:20px;padding-left:var(--space-10)}
.steps li:last-child{border-left-color:transparent;padding-bottom:0}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:-21px;top:-4px;width:40px;height:40px;border-radius:50%;background:var(--abyss);color:var(--azure-soft);font-family:var(--font-mono);font-size:var(--text-xs);display:grid;place-items:center;font-weight:600}
.steps h3{font-size:var(--text-base);margin-bottom:var(--space-1)}
.steps p{font-size:var(--text-sm);color:var(--muted);margin:0}
.dark .steps li{border-left-color:var(--line-dark)}
.dark .steps li::before{background:var(--azure);color:#02101f}
.dark .steps p{color:var(--on-dark-muted)}

/* Vantaggi */
.why{display:grid;gap:var(--space-4)}
@media(min-width:768px){.why{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1100px){.why{grid-template-columns:repeat(4,1fr)}}
.why div{border-top:2px solid var(--azure);padding-top:var(--space-5)}
.why h3{font-size:var(--text-base);margin-bottom:var(--space-2)}
.why p{font-size:var(--text-sm);color:var(--muted)}
.dark .why p{color:var(--on-dark-muted)}

/* Area */
.area{display:grid;gap:var(--space-4)}
@media(min-width:768px){.area{grid-template-columns:repeat(3,1fr)}}
.area article{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-6)}
.area .lbl{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--azure-strong);text-transform:uppercase;letter-spacing:.08em}
.area h3{margin-top:var(--space-2)}
.area p{font-size:var(--text-sm);color:var(--muted);margin:0}

/* Segnaposto */
.todo{display:inline;background:#fff3c4;color:#5a4300;border:1px dashed #d7a800;border-radius:4px;padding:1px 6px;font-family:var(--font-mono);font-size:.82em;font-weight:600}
.todo-box{border:2px dashed #d7a800;background:#fffaf0;border-radius:var(--radius-md);padding:var(--space-6);color:#5a4300}
.todo-box h3{color:#5a4300;font-size:var(--text-base)}
.todo-box p{font-size:var(--text-sm);margin:0}

/* Pagina servizio: corpo + aside */
.body-grid{display:grid;gap:var(--space-10)}
@media(min-width:1000px){.body-grid{grid-template-columns:minmax(0,1fr) 340px;gap:var(--space-16)}}
.prose h2{margin-top:var(--space-10)}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:var(--space-6)}
.prose ul li::marker{color:var(--azure-strong)}
.chips{display:flex;flex-wrap:wrap;gap:var(--space-2);list-style:none;padding:0}
.chips li{margin:0;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:6px 14px;font-size:var(--text-sm)}
.cols2{columns:1}
@media(min-width:640px){.cols2{columns:2;column-gap:var(--space-10)}.cols2 li{break-inside:avoid}}
.aside{display:flex;flex-direction:column;gap:var(--space-4)}
@media(min-width:1000px){.aside{position:sticky;top:96px;align-self:start}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-6)}
.card h2{font-family:var(--font-mono);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.08em;color:var(--azure-strong);font-weight:600;margin-bottom:var(--space-4)}
.card ul{list-style:none;padding:0;margin:0}
.card li{font-size:var(--text-sm);padding:var(--space-3) 0;border-bottom:1px solid var(--border);margin:0}
.card li:last-child{border-bottom:0;padding-bottom:0}
.card.cta{background:var(--abyss);border-color:var(--abyss);color:var(--on-dark)}
.card.cta h2{color:var(--azure-soft)}
.card.cta p{font-size:var(--text-sm);color:var(--on-dark)}
.card.cta a.tel{color:#fff;font-weight:700;text-decoration:none;display:block;margin-bottom:var(--space-2)}
.card.cta .btn{width:100%;margin-top:var(--space-3)}

/* Gallery */
.gallery{display:grid;gap:var(--space-4);grid-template-columns:1fr}
@media(min-width:640px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.gallery{grid-template-columns:repeat(3,1fr)}}
.gallery .ph{aspect-ratio:1/1;border-radius:var(--radius-md);overflow:hidden;background:var(--ice);border:1px solid var(--border)}
.gallery .ph img{width:100%;height:100%;object-fit:cover}
.gallery .ph.contain img{object-fit:contain;background:#fff}

/* FAQ */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--border);padding:var(--space-5) 0}
.faq summary{cursor:pointer;list-style:none;font-weight:700;font-size:var(--text-base);display:flex;justify-content:space-between;gap:var(--space-4)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-mono);color:var(--azure-strong);font-size:1.3em;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:var(--space-3) 0 0;color:var(--muted)}

/* Related */
.related{display:grid;gap:var(--space-4)}
@media(min-width:768px){.related{grid-template-columns:repeat(3,1fr)}}

/* CTA band */
.cta-band{position:relative;background:var(--abyss);color:var(--on-dark);overflow:hidden;isolation:isolate}
.cta-band::before{content:"";position:absolute;inset:0;z-index:-1;background:url("strata.svg") center/cover no-repeat;opacity:.45}
.cta-band .wrap{padding-block:clamp(var(--space-12),7vw,var(--space-20));display:grid;gap:var(--space-6);align-items:center}
@media(min-width:900px){.cta-band .wrap{grid-template-columns:1.4fr 1fr}}
.cta-band h2{color:#fff;font-size:var(--text-2xl);margin:0}
.cta-band p{color:var(--on-dark);margin:var(--space-4) 0 0}
.cta-band .cta-row{justify-content:flex-start}
@media(min-width:900px){.cta-band .cta-row{justify-content:flex-end}}

/* Contatti */
.contact-grid{display:grid;gap:var(--space-10)}
@media(min-width:960px){.contact-grid{grid-template-columns:.9fr 1.1fr;gap:var(--space-16)}}
.cinfo dl{margin:0;display:grid;gap:var(--space-5)}
.cinfo dt{font-family:var(--font-mono);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.08em;color:var(--azure-strong)}
.cinfo dd{margin:var(--space-1) 0 0;font-size:var(--text-base)}
.cinfo dd a{color:var(--text);font-weight:700;text-decoration:none}
.cinfo dd a:hover{color:var(--azure-strong)}
form.qform{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-6);display:grid;gap:var(--space-4)}
@media(min-width:640px){form.qform{grid-template-columns:1fr 1fr;padding:var(--space-8)}.qform .full{grid-column:1/-1}}
.qform label{display:block;font-size:var(--text-sm);font-weight:600;margin-bottom:var(--space-1)}
.qform input,.qform select,.qform textarea{width:100%;font:inherit;font-size:var(--text-base);padding:.75rem .9rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text)}
.qform input:focus,.qform select:focus,.qform textarea:focus{outline:none;border-color:var(--azure);box-shadow:0 0 0 3px rgba(10,155,224,.2)}
.qform textarea{min-height:130px;resize:vertical}
.qform .chk{display:flex;gap:var(--space-3);align-items:flex-start;font-size:var(--text-sm)}
.qform .chk input{width:auto;margin-top:4px}
.qform .note{font-size:var(--text-xs);color:var(--muted);margin:0}
.form-msg{display:none;background:var(--ice);border:1px solid var(--azure);border-radius:var(--radius-sm);padding:var(--space-4);font-size:var(--text-sm)}
.form-msg.show{display:block}
.form-msg.err{background:#fdeef0;border-color:#c23a52}

/* Footer */
.site-footer{background:var(--abyss);color:var(--on-dark-muted);font-size:var(--text-sm)}
.ft{display:grid;gap:var(--space-8);padding-block:var(--space-16) var(--space-10)}
@media(min-width:768px){.ft{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.ft h2{font-family:var(--font-mono);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.08em;color:var(--azure-soft);margin-bottom:var(--space-4);font-weight:600}
.ft ul{list-style:none;padding:0;margin:0}
.ft li{margin-bottom:var(--space-2)}
.ft a{color:var(--on-dark);text-decoration:none}
.ft a:hover{color:#fff;text-decoration:underline}
.ft p{color:var(--on-dark-muted);font-size:var(--text-sm)}
.ft .brand img{height:30px;margin-bottom:var(--space-4)}
.legal{border-top:1px solid var(--line-dark);padding-block:var(--space-5);font-size:var(--text-xs);display:flex;flex-wrap:wrap;gap:var(--space-2) var(--space-6);justify-content:space-between}

/* Motion: contenuto sempre visibile */
@media (prefers-reduced-motion:no-preference){
  .hero .scan{animation:scan 9s var(--ease) infinite alternate}
}
@keyframes scan{from{transform:translateX(0)}to{transform:translateX(38%)}}

/* ===== 3D hero ===== */
.hero3d{position:absolute;inset:0;z-index:-1;opacity:0;transition:opacity 1.2s var(--ease);pointer-events:none}
.hero3d-canvas{width:100%!important;height:100%!important;display:block}
.hero.is-3d .hero3d{opacity:1}
.hero.is-3d .hero-art{opacity:.32;transition:opacity 1.2s var(--ease)}
.hero.is-3d .hero-art .tomo,.hero.is-3d .hero-art [data-tomo]{opacity:0}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,rgba(4,19,37,.9) 0%,rgba(4,19,37,.55) 42%,rgba(4,19,37,0) 70%)}
@media(max-width:899px){.hero::after{background:linear-gradient(180deg,rgba(4,19,37,.75) 0%,rgba(4,19,37,.55) 60%,rgba(4,19,37,.85) 100%)}}
.hero-legend{display:none;flex-wrap:wrap;gap:var(--space-2) var(--space-5);margin:var(--space-6) 0 0;font-family:var(--font-mono);font-size:var(--text-xs);color:var(--on-dark-muted);max-width:none}
.hero.is-3d .hero-legend{display:flex}
.hero-legend span{display:inline-flex;align-items:center;gap:8px}
.hero-legend span::before{content:"";width:12px;height:12px;border-radius:3px}
.lg-aq::before{background:#0a9be0;box-shadow:0 0 10px #0a9be0}
.lg-se::before{border:1.5px solid #7fd0f5;border-radius:50%!important}
.lg-ert::before{background:linear-gradient(90deg,#0a2a55,#0a9be0,#e8f3fa)}
.lg-dr::before{width:3px!important;background:#fff}
.hero h1,.hero .lead,.hero .cta-row,.hero .kicker{animation:rise .9s var(--ease) both}
.hero .lead{animation-delay:.08s}.hero .cta-row{animation-delay:.16s}
@keyframes rise{from{opacity:0;filter:blur(6px)}to{opacity:1;filter:none}}

/* ===== fascia credibilità ===== */
.cred{background:var(--deep);color:var(--on-dark);border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark)}
.cred ul{list-style:none;margin:0;padding:var(--space-5) 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-4) var(--space-6)}
.cred li{margin:0;display:flex;flex-direction:column;gap:2px;min-width:0}
.cred b{font-family:var(--font-mono);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.08em;color:var(--azure-soft)}
.cred span{font-size:var(--text-sm);color:var(--on-dark);line-height:1.35}
@media(min-width:768px){.cred ul{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1100px){.cred ul{grid-template-columns:repeat(6,1fr)}}

/* ===== flusso 4 livelli ===== */
.flow-grid{display:grid;gap:var(--space-8);margin-top:var(--space-10)}
.flow-sticky{position:sticky;top:76px;z-index:2;align-self:start}
.flow-vis{aspect-ratio:1;max-width:560px;margin-inline:auto;border-radius:18px;overflow:hidden;border:1px solid var(--line-dark);box-shadow:0 30px 80px rgba(0,0,0,.35);background:#061a30}
.flow-svg{display:block;width:100%;height:100%}
.flow-svg .zoom{transform-box:view-box;transform-origin:0 0;transition:transform 1.3s var(--ease);transform:translate(300px,300px) scale(1) translate(-372px,-318px)}
.flow-vis[data-step="2"] .zoom{transform:translate(300px,300px) scale(2.7) translate(-372px,-318px)}
.flow-vis[data-step="3"] .zoom{transform:translate(300px,300px) scale(8) translate(-372px,-318px)}
.flow-vis[data-step="4"] .zoom{transform:translate(300px,300px) scale(22) translate(-372px,-318px)}
.flow-svg .l,.flow-svg .ic,.flow-svg .hud{opacity:0;transition:opacity .8s var(--ease)}
.flow-vis[data-step="1"] .l1,.flow-vis[data-step="1"] .ic1,.flow-vis[data-step="1"] .hud1,
.flow-vis[data-step="2"] .l2,.flow-vis[data-step="2"] .ic2,.flow-vis[data-step="2"] .hud2,.flow-vis[data-step="2"] .l1,
.flow-vis[data-step="3"] .l3,.flow-vis[data-step="3"] .ic3,.flow-vis[data-step="3"] .hud3,.flow-vis[data-step="3"] .l2,
.flow-vis[data-step="4"] .l4,.flow-vis[data-step="4"] .ic4,.flow-vis[data-step="4"] .hud4,.flow-vis[data-step="4"] .l3{opacity:1}
.flow-vis[data-step="2"] .l1{opacity:.35}.flow-vis[data-step="3"] .l2{opacity:.4}.flow-vis[data-step="4"] .l3{opacity:.5}
.flow-svg .l4 circle:first-child{animation:pulse 2.4s ease-in-out infinite;transform-box:fill-box;transform-origin:center}
@keyframes pulse{50%{opacity:.55;transform:scale(1.35)}}
.flow-steps{list-style:none;margin:0;padding:0;display:grid;gap:var(--space-6)}
.fstep{margin:0;padding:var(--space-6);border:1px solid var(--line-dark);border-radius:var(--radius-lg);background:rgba(10,35,64,.55);transition:border-color .5s var(--ease),background .5s var(--ease),opacity .5s var(--ease)}
.js .fstep{opacity:.55}
.js .fstep.on{opacity:1;border-color:var(--azure);background:rgba(10,155,224,.08)}
.fs-n{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--azure-soft);letter-spacing:.1em}
.fstep h3{color:#fff;margin:var(--space-2) 0 var(--space-1)}
.fs-scale{font-family:var(--font-mono);font-size:var(--text-sm);color:var(--azure-soft);margin-bottom:var(--space-3)}
.fstep p{color:var(--on-dark-muted);font-size:var(--text-sm)}
.dark .chips li{background:transparent;border-color:var(--line-dark);color:var(--on-dark);font-size:var(--text-xs);padding:4px 10px}
@media(max-width:899px){.flow-sticky{top:68px}.flow-vis{max-width:min(78vw,340px)}.flow-sticky{background:linear-gradient(var(--abyss) 85%,transparent);padding-bottom:var(--space-4)}}
@media(min-width:900px){.flow-grid{grid-template-columns:1fr 1fr;gap:var(--space-16);align-items:start}.flow-sticky{top:110px}.flow-steps{gap:clamp(140px,28vh,280px);padding-block:clamp(40px,6vh,60px) clamp(120px,18vh,200px)}}

/* ===== tabelle, note ===== */
.table-wrap{overflow-x:auto;margin:var(--space-6) 0;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface)}
.table-wrap table{border-collapse:collapse;width:100%;min-width:560px;font-size:var(--text-sm)}
.table-wrap caption{text-align:left;padding:var(--space-3) var(--space-4);font-family:var(--font-mono);font-size:var(--text-xs);color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.table-wrap th,.table-wrap td{padding:var(--space-3) var(--space-4);border-top:1px solid var(--border);text-align:left;vertical-align:top}
.table-wrap thead th{background:var(--ice);font-weight:700}
.table-wrap tbody th{font-weight:600;color:var(--text)}
.note-box{border:1px solid var(--border);border-left:4px solid var(--azure);background:var(--surface);border-radius:var(--radius-md);padding:var(--space-6);align-self:start}
.note-box h3{font-size:var(--text-base)}
.note-box p{font-size:var(--text-sm)}
.steps.light{margin-top:var(--space-6)}

/* ===== barra mobile ===== */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr 1fr 1.3fr;background:rgba(4,19,37,.97);border-top:1px solid var(--line-dark);padding:8px 8px calc(8px + env(safe-area-inset-bottom));gap:8px}
.mbar a{display:flex;align-items:center;justify-content:center;min-height:44px;border-radius:999px;color:var(--on-dark);text-decoration:none;font-weight:600;font-size:var(--text-sm);border:1px solid var(--line-dark)}
.mbar a.go{background:var(--azure);color:#02101f;border-color:var(--azure)}
body{padding-bottom:72px}
@media(min-width:1100px){.mbar{display:none}body{padding-bottom:0}}

/* ===== reveal allo scroll e tilt ===== */
.js.motion .rv{opacity:0;filter:blur(4px);transition:opacity .8s var(--ease),filter .8s var(--ease)}
.js.motion .rv.in{opacity:1;filter:none}
.svc{transform-style:preserve-3d;will-change:transform}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .fstep{opacity:1}
}
.hero-note{font-size:var(--text-xs);margin:var(--space-3) 0 0}
@media(min-width:1000px){.svc-grid .svc.feat{grid-column:span 2}}
.body-grid>*{min-width:0}

@media(min-width:1100px){.hero3d{left:47%}.hero::after{background:linear-gradient(90deg,rgba(4,19,37,.92) 0%,rgba(4,19,37,.6) 40%,rgba(4,19,37,0) 55%)}.hero .lead{max-width:min(46ch,40vw)}.hero-facts{max-width:min(560px,40vw);grid-template-columns:repeat(2,minmax(0,1fr))}.hero-legend{max-width:40vw}}

/* ===== Novità 2026 + committenti ===== */
.news{background:linear-gradient(180deg,#f4f8fc 0%,#eaf3fb 100%)}
.news-grid{display:grid;gap:var(--space-6)}
@media(min-width:960px){.news-grid{grid-template-columns:1fr 1fr;align-items:start}}
.news-card{position:relative;background:#fff;border:1px solid var(--line, #dbe6f0);border-radius:var(--radius-lg, 18px);padding:var(--space-6);box-shadow:0 18px 40px rgba(6,26,48,.06);min-width:0}
.news-card h3{font-size:var(--text-lg);margin:var(--space-3) 0 var(--space-3)}
.news-card p{font-size:var(--text-sm)}
.news-card .badge{display:inline-block;font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.06em;text-transform:uppercase;background:var(--abyss);color:var(--azure-soft);border-radius:999px;padding:4px 12px}
.news-card .badge::after{content:" · 2026";color:#fff}
.news-card .mini{list-style:none;padding:0;margin:var(--space-4) 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-2)}
.news-card .mini li{margin:0;background:#f1f6fb;border-radius:10px;padding:var(--space-3);font-size:var(--text-xs);line-height:1.35;color:var(--ink-2, #3b4a5a)}
.news-card .mini b{display:block;font-family:var(--font-display);font-size:var(--text-base);color:var(--abyss)}
.news-card figure{margin:var(--space-4) 0 0}
.news-card figure .ph{aspect-ratio:auto;background:#fff;border:1px solid #e3ebf3;border-radius:12px;overflow:hidden}
.news-card figure .ph img{width:100%;height:auto;object-fit:contain;display:block}
.news-card figcaption{font-size:var(--text-xs);color:var(--muted, #5b6b7b);margin-top:var(--space-2)}
.news-figs{display:grid;gap:var(--space-3);grid-template-columns:1fr}
@media(min-width:560px){.news-figs{grid-template-columns:1fr 1fr}}
.news-more{margin-top:var(--space-4);font-size:var(--text-sm)}
.clients .client-list{list-style:none;padding:0;margin:var(--space-6) 0 0;display:flex;flex-wrap:wrap;gap:var(--space-3)}
.clients .client-list li{margin:0;border:1px solid #d6e2ee;background:#fff;border-radius:999px;padding:10px 18px;font-family:var(--font-display);font-weight:700;font-size:var(--text-sm);color:var(--abyss)}
.clients .client-list li.more{border-style:dashed;font-weight:500;color:var(--muted, #5b6b7b)}

/* ===== v4: animazioni sismiche, rassegna stampa, rifiniture ===== */
.seis-sec{position:relative;overflow:hidden;isolation:isolate;background:radial-gradient(120% 80% at 15% 0%,rgba(10,155,224,.22),transparent 60%),radial-gradient(90% 70% at 100% 100%,rgba(255,181,71,.08),transparent 60%),var(--abyss)}
.seis-sec::before{content:"";position:absolute;inset:0;z-index:-1;background:repeating-linear-gradient(0deg,transparent 0 47px,rgba(127,208,245,.05) 47px 48px);mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent)}
.seis-fig{margin:0}
.seis{position:relative;width:100%;border-radius:14px;overflow:hidden;background:#041325;border:1px solid rgba(127,208,245,.18);box-shadow:0 30px 80px -30px rgba(10,155,224,.45)}
.seis-fallback{display:block;width:100%;height:auto}
.seis.is-live{aspect-ratio:auto!important}
.seis.is-live .seis-fallback{display:none}
.seis canvas{display:block}
.seis-fig figcaption{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-3) var(--space-6);margin-top:var(--space-4);font-size:var(--text-sm);color:var(--on-dark-muted)}
.badge{display:inline-block;font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.06em;text-transform:uppercase;color:#02101f;background:var(--azure-soft);border-radius:999px;padding:3px 10px;font-weight:600}
.seis-legend{display:flex;flex-wrap:wrap;gap:var(--space-2) var(--space-5);list-style:none;margin:0;padding:0}
.seis-legend li{display:inline-flex;align-items:center;gap:8px}
.seis-legend li::before{content:"";width:18px;height:4px;border-radius:2px;background:#e8f6ff}
.seis-legend .lg-s::before{background:#FFB547}
.seis-legend .lg-r::before{background:#7FD0F5}
.seis-legend .lg-w::before{height:10px;width:10px;border-radius:2px;background:linear-gradient(90deg,#e8f6ff 50%,transparent 50%);border:1px solid #e8f6ff}
.seis-legend .lg-v::before{background:#e8f6ff}
.seis-legend .lg-vs::before{background:#FFB547}
.formula{font-family:var(--font-mono);background:var(--ice);border-left:3px solid var(--azure);padding:var(--space-4) var(--space-5);border-radius:6px;overflow-x:auto}

.press{list-style:none;margin:var(--space-6) 0;padding:0;display:grid;gap:var(--space-3)}
.press a{position:relative;display:grid;gap:4px;padding:var(--space-5) var(--space-12) var(--space-5) var(--space-5);border:1px solid var(--line,#d6e4ee);border-radius:12px;text-decoration:none;color:var(--text);background:#fff;transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease)}
.press a:hover{border-color:var(--azure);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.press-src{font-family:var(--font-mono);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.06em;color:var(--azure-strong)}
.press-ttl{font-weight:700;font-size:var(--text-lg);line-height:1.3}
.press-meta{font-size:var(--text-sm);color:var(--muted)}
.press-go{position:absolute;right:var(--space-5);top:50%;transform:translateY(-50%);font-size:1.25rem;color:var(--azure-strong);transition:transform .2s var(--ease)}
.press a:hover .press-go{transform:translate(3px,-55%)}
.press-band{background:linear-gradient(135deg,var(--ice),#fff 70%);border-top:1px solid rgba(7,120,176,.12);border-bottom:1px solid rgba(7,120,176,.12)}
.press-band-in{display:grid;gap:var(--space-8);align-items:center}
.press-srcs{list-style:none;margin:0;padding:0;display:grid;gap:var(--space-2)}
.press-srcs li{font-family:var(--font-display);font-weight:700;font-size:var(--text-lg);color:var(--abyss);padding:var(--space-3) 0;border-bottom:1px solid rgba(7,120,176,.15)}
@media (min-width:900px){.press-band-in{grid-template-columns:1.2fr 1fr}}

/* rifiniture visive */
h1{letter-spacing:-.025em}
h2{letter-spacing:-.018em}
.kicker::before{content:"";width:28px;height:1px;background:currentColor;opacity:.7}
.btn{position:relative}
.btn-primary{box-shadow:0 10px 30px -12px rgba(10,155,224,.8)}
.btn:hover{transform:translateY(-1px)}
.btn-primary::after,.btn-ghost::after{content:"→";display:inline-block;transition:transform .2s var(--ease)}
.btn-primary:hover::after,.btn-ghost:hover::after{transform:translateX(4px)}
.svc{transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease)}
.svc:hover{box-shadow:0 22px 50px -24px rgba(10,155,224,.55)}
.section.dark{background:radial-gradient(110% 70% at 0% 0%,rgba(10,155,224,.16),transparent 55%),var(--deep)}
@media (prefers-reduced-motion:reduce){.btn,.svc,.press a,.press-go,.btn::after{transition:none!important}}
@media (max-width:599px){.btn{white-space:normal;text-align:center;max-width:100%}}
.nw{white-space:nowrap}
.hero.is-3d .depth-ruler{opacity:0;visibility:hidden}
/* scene 3D illustrative (Three.js, caricate su richiesta) */
.scene3d{position:relative;width:100%;aspect-ratio:16/10;border-radius:14px;overflow:hidden;background:#041325;border:1px solid rgba(127,208,245,.18);box-shadow:0 30px 80px -30px rgba(10,155,224,.45),inset 0 0 60px rgba(10,155,224,.08)}
.scene3d-fallback{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.scene3d canvas{position:absolute;inset:0;display:block}
.scene3d.is-live .scene3d-fallback{opacity:0;transition:opacity .6s}
.s3d-legend li::before{background:var(--c,#e8f6ff)!important;height:8px!important;width:14px!important;border-radius:3px!important}
.s3d-pair{display:grid;gap:var(--space-8)}
@media (min-width:900px){.s3d-pair{grid-template-columns:1fr 1fr}}
@media(min-width:1240px) and (max-width:1479px){
  .nav a,.nav .dd>button{padding:6px 8px;font-size:.84rem}
}
/* v6: modello integrato con etichette */
.s3d-pins{position:absolute;inset:0;z-index:2;pointer-events:none}
.s3d-pin{position:absolute;transform:translate(-14px,-50%);display:flex;align-items:center;gap:6px;pointer-events:auto;text-decoration:none;color:#e8f6ff;font-size:12.5px;line-height:1.2;font-weight:600;white-space:nowrap}
.s3d-pin b{flex:none;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#fff;color:#0a3c6e;font-size:13px;font-weight:800;box-shadow:0 0 0 3px rgba(4,19,37,.75),0 6px 16px rgba(0,0,0,.35);transition:transform .2s,background .2s}
.s3d-pin span{padding:4px 9px;border-radius:999px;background:rgba(4,19,37,.78);border:1px solid rgba(127,208,245,.35);backdrop-filter:blur(4px)}
.s3d-pin:hover b,.s3d-pin:focus-visible b{transform:scale(1.12);background:#7fd0f5}
.s3d-pin:hover span,.s3d-pin:focus-visible span{border-color:#7fd0f5;color:#fff}
.s3d-pin:focus-visible{outline:none}.s3d-pin:focus-visible b{outline:2px solid #fff;outline-offset:3px}
.s3d-idx{list-style:none;margin:var(--space-4,16px) 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:6px 18px}
.s3d-idx a{display:flex;align-items:center;gap:10px;color:#cfe9f8;text-decoration:none;font-size:14px;padding:4px 0}
.s3d-idx a:hover{color:#fff;text-decoration:underline}
.s3d-idx b{flex:none;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#fff;color:#0a3c6e;font-size:12px;font-weight:800}
.s3d-all figcaption{display:block}
@media (max-width:1099px){.s3d-pin span{display:none}.s3d-pin{transform:translate(-50%,-50%)}}
@media (max-width:600px){.s3d-pin b{width:22px;height:22px;font-size:11px;box-shadow:0 0 0 2px rgba(4,19,37,.75)}}
/* v6: brochure */
.bro{display:grid;gap:var(--space-6,24px);align-items:center}
@media (min-width:900px){.bro{grid-template-columns:1fr 1.15fr;gap:48px}}
.bro-card{background:#fff;border:1px solid rgba(10,60,110,.12);border-radius:14px;padding:20px;box-shadow:0 18px 40px -24px rgba(10,60,110,.35)}
.bro-main{display:flex;align-items:center;gap:14px;text-decoration:none;color:inherit;padding:14px;border-radius:10px;background:#eef6fc;flex-wrap:wrap}
.bro-main>span:nth-child(2){flex:1 1 160px;display:flex;flex-direction:column;gap:2px}
.bro-main b{font-size:17px;color:#0a2a44}.bro-main small{color:#4a6278;font-size:13.5px}
.bro-ico{display:grid;place-items:center;width:48px;height:48px;border-radius:10px;background:#0a6ea8;color:#fff;flex:none}
.bro-main:hover .btn{filter:brightness(1.08)}
.bro-oth-h{margin:16px 0 6px;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#4a6278}
.bro-oth{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.bro-oth a{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;padding:8px 6px;border-radius:8px;color:#0a4a7e;text-decoration:none;font-size:15px}
.bro-oth a:hover{background:#f2f7fb;text-decoration:underline}
.bro-oth b{font-size:12px;color:#0a6ea8;min-width:22px}.bro-oth small{color:#5b7286;font-size:13px}
@media (min-width:1100px){.s3d-pin.l{flex-direction:row-reverse;transform:translate(calc(-100% + 14px),-50%)}}