/* =====================================================================
   COMED — Impresa Edile / Carmignano di Brenta
   Design language: concrete + survey/engineering annotation
   ===================================================================== */

:root{
  --ink:#141517;
  --ink-2:#1B1D20;
  --ink-3:#232629;
  --paper:#ECE7DE;
  --paper-2:#F5F1EA;
  --concrete:#938F88;
  --concrete-d:#6A6862;
  --signal:#EA5A16;
  --signal-2:#F2833F;
  --blueprint:#7C97AD;

  --line:rgba(236,231,222,0.12);
  --line-strong:rgba(236,231,222,0.26);
  --line-dark:rgba(20,21,23,0.12);

  --font-display:'Anton',Impact,'Arial Narrow Bold',sans-serif;
  --font-body:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;

  --wrap:1200px;
  --pad:clamp(20px,5vw,64px);
  --radius:4px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
/* rete di sicurezza: la pagina non deve MAI scorrere in orizzontale.
   `clip` e non `hidden`: hidden creerebbe un contenitore di scroll e
   romperebbe la hero sticky; clip taglia e basta. */
html,body{overflow-x:clip}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:clamp(16px,1.05vw,17px);
  line-height:1.6;
  color:var(--paper);
  background:var(--ink);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.05}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
::selection{background:var(--signal);color:#fff}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}

.skip-link{
  position:absolute;left:-999px;top:0;z-index:200;
  background:var(--signal);color:#fff;padding:10px 16px;border-radius:0 0 var(--radius) 0;
  font-family:var(--font-mono);font-size:13px;
}
.skip-link:focus{left:0}

.visually-hidden{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

:where(a,button,input,select,textarea):focus-visible{
  outline:2px solid var(--signal);outline-offset:3px;border-radius:2px;
}

/* ---------- shared type helpers ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--concrete-d);
  display:flex;align-items:center;gap:.7em;margin:0 0 1.4rem;
}
.eyebrow--light{color:var(--concrete)}
.eyebrow__num{color:var(--signal);font-weight:600}
.eyebrow__dot{width:8px;height:8px;background:var(--signal);border-radius:50%;flex:none}

.section-title{
  font-family:var(--font-display);
  font-weight:400;
  font-size:clamp(2.1rem,5.5vw,4rem);
  line-height:.98;
  letter-spacing:.005em;
  text-transform:uppercase;
  color:var(--ink);
}
.section-title--light{color:var(--paper)}
.section-intro{
  margin-top:1.4rem;max-width:46ch;color:var(--concrete-d);font-size:1.05rem;
}
.section--paper .section-intro{color:var(--concrete-d)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--font-mono);font-weight:500;font-size:14px;
  letter-spacing:.04em;text-transform:uppercase;
  padding:16px 26px;border-radius:var(--radius);
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease);
  will-change:transform;
}
.btn--sm{padding:11px 18px;font-size:13px}
.btn--block{width:100%;padding:18px 26px}
.btn--signal{background:var(--signal);color:#fff}
.btn--signal:hover{background:var(--signal-2);transform:translateY(-2px);box-shadow:0 10px 30px -8px rgba(234,90,22,.5)}
.btn--ghost{color:var(--paper);border:1px solid var(--line-strong)}
.btn--ghost:hover{background:rgba(236,231,222,.08);transform:translateY(-2px)}
.btn--wa{background:#25D366;color:#0b3d21}
.btn--wa:hover{background:#20bd5a;transform:translateY(-2px);box-shadow:0 10px 30px -8px rgba(37,211,102,.5)}

/* WhatsApp floating button */
.wa-fab{
  position:fixed;right:20px;bottom:20px;z-index:120;
  width:56px;height:56px;border-radius:50%;
  background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 28px rgba(0,0,0,.4);transition:transform .25s var(--ease);
}
.wa-fab:hover{transform:scale(1.09)}
.wa-fab svg{width:30px;height:30px}
@media (max-width:620px){.wa-fab{right:16px;bottom:16px;width:52px;height:52px}}

mark{background:transparent;color:var(--signal)}
.statement mark{color:var(--signal)}

/* =====================================================================
   HEADER
   ===================================================================== */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.site-header[data-state="scrolled"]{
  background:rgba(20,21,23,.85);
  backdrop-filter:saturate(140%) blur(12px);
  border-bottom-color:var(--line);
}
.header__inner{display:flex;align-items:center;gap:24px;height:76px;min-width:0;position:relative}
.header__inner>*{min-width:0}

.brand{display:flex;align-items:center;gap:12px;color:var(--paper)}
.brand__mark{color:var(--paper);display:flex}
.brand__word{display:flex;flex-direction:column;line-height:1}
.brand__name{
  font-family:var(--font-display);font-size:24px;letter-spacing:.06em;
}
.brand__name--lg{font-size:clamp(3rem,9vw,6rem);letter-spacing:.04em;color:var(--paper);display:block}
.brand__tag{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--concrete);margin-top:3px;
}

/* menu a pillola, centrato e flottante sopra la hero */
.nav{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  display:flex;gap:2px;padding:6px;border-radius:999px;
  background:rgba(13,14,16,.55);border:1px solid rgba(236,231,222,.10);
  backdrop-filter:blur(14px) saturate(130%);-webkit-backdrop-filter:blur(14px) saturate(130%);
}
.nav a{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--concrete);
  padding:9px 15px;border-radius:999px;white-space:nowrap;
  transition:color .2s,background .2s;
}
.nav a:hover{color:var(--paper);background:rgba(236,231,222,.08)}
/* la voce della sezione che stai guardando resta accesa (scroll spy) */
.nav a.is-active{color:var(--paper);background:#2b2d32}

.header__cta{display:flex;align-items:center;gap:18px;margin-left:auto}
.phone-link{display:flex;flex-direction:column;line-height:1.1;text-align:right}
.phone-link__label{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--concrete)}
.phone-link__num{font-weight:600;color:var(--paper);font-size:15px}

@media (max-width:1320px){.header__cta .phone-link{display:none}}

.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;margin-left:auto}
.nav-toggle span{width:26px;height:2px;background:var(--paper);transition:transform .3s var(--ease),opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* =====================================================================
   HERO — tre livelli: sfondo → titolo gigante → mezzi scontornati.
   Il braccio dell'escavatore passa DAVANTI al titolo; il titolo sfuma
   verso il basso; la call to action è un pannello in vetro smerigliato.
   ===================================================================== */
.hero{position:relative;background:var(--ink)}
.hero__stage{
  position:relative;isolation:isolate;overflow:hidden;
  min-height:100vh;min-height:100svh;   /* vh = riserva per i telefoni vecchi senza svh */
}
.hero__bg,.hero__fg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:50% 40%;
}
.hero__bg{z-index:-4}
/* fascia scura dietro al titolo: senza, le lettere si perdono nel cielo chiaro */
.hero__stage::before{
  content:"";position:absolute;inset:0;z-index:-3;pointer-events:none;
  background:linear-gradient(180deg,rgba(14,15,17,.62) 0%,rgba(14,15,17,.38) 30%,rgba(14,15,17,0) 58%);
}
.hero__fg{z-index:-1;pointer-events:none}
.hero__mega{
  position:absolute;z-index:-2;left:50%;top:clamp(58px,10.5vh,122px);
  margin:0;padding:.16em .04em 0;
  font-family:var(--font-display);font-weight:400;text-transform:uppercase;
  font-size:clamp(88px,16.6vw,320px);line-height:.82;letter-spacing:.005em;white-space:nowrap;
  /* il colore È la sfumatura: pieno in alto, trasparente in basso */
  background:linear-gradient(180deg,#fdfcf8 0%,#f3efe6 34%,#d9d3c6 58%,rgba(217,211,198,.32) 82%,rgba(217,211,198,0) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  transform:translate(-50%,14px);opacity:0;
  transition:opacity .9s var(--ease) .1s,transform .9s var(--ease) .1s;
}
.hero.is-in .hero__mega{opacity:1;transform:translate(-50%,0)}
/* su desktop il titolo visibile è solo COSTRUIAMO: il resto della frase resta
   nell'h1 (SEO e screen reader) ma non si vede */
.hero__mega-resto{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
/* velo leggero: header leggibile in alto, aggancio alla sezione scura in basso */
.hero__shade{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(20,21,23,.38) 0%,rgba(20,21,23,0) 20%,rgba(20,21,23,0) 60%,rgba(20,21,23,.72) 100%);
}
.hero__panel{
  position:absolute;z-index:1;left:var(--pad);bottom:clamp(40px,8vh,84px);
  max-width:410px;padding:26px 26px 24px;border-radius:10px;
  background:rgba(20,21,23,.38);border:1px solid rgba(236,231,222,.14);
  backdrop-filter:blur(16px) saturate(130%);-webkit-backdrop-filter:blur(16px) saturate(130%);
  opacity:0;transform:translateY(14px);
  transition:opacity .8s var(--ease) .35s,transform .8s var(--ease) .35s;
}
.hero.is-in .hero__panel{opacity:1;transform:none}
.hero__panel-title{font-size:1.3rem;font-weight:650;line-height:1.3;color:var(--paper)}
.hero__panel-sub{margin-top:.55rem;font-size:.95rem;line-height:1.55;color:#ddd8ce}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.2rem}
.hero__since{
  position:absolute;z-index:1;right:var(--pad);bottom:36px;margin:0;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--paper);text-shadow:0 1px 14px rgba(13,14,16,.7);
  opacity:0;transition:opacity .8s var(--ease) .5s;
}
.hero.is-in .hero__since{opacity:1}
.hero__since span{color:var(--signal);letter-spacing:0}
@media (prefers-reduced-motion:reduce){
  .hero__mega,.hero__panel,.hero__since{opacity:1;transform:translate(-50%,0)}
  .hero__panel,.hero__since{transform:none}
}

/* =====================================================================
   MARQUEE
   ===================================================================== */
.marquee{
  background:var(--ink-2);border-block:1px solid var(--line);
  overflow:hidden;padding:16px 0;position:relative;z-index:1;
}
.marquee__track{
  display:flex;align-items:center;gap:26px;width:max-content;
  animation:marquee 42s linear infinite;
}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee__item{
  font-family:var(--font-display);font-size:clamp(1.1rem,2.4vw,1.7rem);
  text-transform:uppercase;letter-spacing:.03em;color:var(--paper);white-space:nowrap;
}
.marquee__sep{color:var(--signal);font-size:.7em}
@keyframes marquee{to{transform:translateX(-50%)}}

/* =====================================================================
   SECTION BASE
   ===================================================================== */
.section{padding-block:clamp(72px,10vw,140px);position:relative}
.section--paper{background:var(--paper);color:var(--ink)}
.section--paper .section-title{color:var(--ink)}
.section-head{max-width:760px;margin-bottom:clamp(40px,6vw,72px)}

/* ---------- Approccio ---------- */
.approccio{background:var(--ink)}

/* =====================================================================
   POSA — la transizione tra /01 Approccio (grafite) e /02 Servizi (cemento).
   Un muro tirato su a giunti sfalsati: pieno in basso, dove si salda alla
   sezione chiara, e sempre più rado salendo, fino a lasciare il grafite.
   I corsi si posano dal basso verso l'alto quando la fascia entra a schermo.
   ===================================================================== */
.posa{
  --h:clamp(13px,1.9vw,26px);       /* altezza del blocco */
  --fuga:3px;                        /* giunto di malta */
  display:grid;
  grid-template-columns:repeat(32,1fr);   /* 16 blocchi × 2 sotto-colonne */
  grid-auto-rows:var(--h);
  gap:var(--fuga);
  background:var(--ink);
  overflow:hidden;
  /* la sezione chiara comincia esattamente dove finisce il corso pieno */
  margin-bottom:0;
}
.posa__blocco{
  grid-column:var(--col) / span var(--span);
  grid-row:var(--riga);
  background:var(--paper);
  transform:translateY(-9px);
  opacity:0;
  transition:transform .5s cubic-bezier(.2,.8,.25,1) var(--t),
             opacity  .34s linear var(--t);
}
.posa__blocco--accento{background:var(--signal)}
.posa.is-laid .posa__blocco{transform:none;opacity:1}

@media (prefers-reduced-motion:reduce){
  .posa__blocco{transition:none;transform:none;opacity:1}
}
.approccio__grid{display:grid;grid-template-columns:180px 1fr;gap:clamp(24px,5vw,60px)}
.approccio__label .eyebrow{margin:0}
.statement{
  font-family:var(--font-display);font-weight:400;text-transform:uppercase;
  font-size:clamp(1.9rem,5vw,3.6rem);line-height:1.02;letter-spacing:.01em;color:var(--paper);
}
.approccio__cols{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:2.4rem;max-width:900px}
.approccio__cols p{color:#cdc8bf}
.approccio__cols strong{color:var(--paper)}

/* ---------- Servizi (immagine + accordion) ---------- */
.servizi .section-title{color:var(--ink)}

/* lista a sinistra · galleria a destra */
.servizi__layout{display:grid;grid-template-columns:1.02fr 0.98fr;gap:clamp(28px,4vw,56px);align-items:start}

.servizi__media{position:sticky;top:104px;aspect-ratio:1/1.06}

/* un mosaico per servizio: tutte le foto visibili insieme */
.sv-mos{
  position:absolute;inset:0;display:grid;gap:10px;
  grid-template-columns:1fr 1fr;
  opacity:0;visibility:hidden;transform:scale(.985);
  transition:opacity .5s var(--ease),visibility .5s,transform .6s var(--ease);
}
.sv-mos.is-active{opacity:1;visibility:visible;transform:none}
/* layout del mosaico in base al numero di foto */
.sv-mos[data-n="1"] .sv-tile{grid-column:1 / -1;grid-row:1 / -1}
.sv-mos[data-n="2"]{grid-template-rows:1.3fr 1fr}
.sv-mos[data-n="2"] .sv-tile{grid-column:1 / -1}
.sv-mos[data-n="3"]{grid-template-rows:1.35fr 1fr}
.sv-mos[data-n="3"] .sv-tile:first-child{grid-column:1 / -1}
.sv-mos[data-n="4"]{grid-template-rows:1fr 1fr}
.sv-mos[data-n="5"]{grid-template-rows:1.25fr 1fr 1fr}
.sv-mos[data-n="5"] .sv-tile:first-child{grid-column:1 / -1}
.sv-mos[data-n="6"]{grid-template-rows:repeat(3,1fr)}

.sv-tile{
  position:relative;margin:0;overflow:hidden;border-radius:var(--radius);
  background:#d9d4cb;border:1px solid var(--line-dark);
  box-shadow:0 14px 34px -26px rgba(20,21,23,.6);
  transition:box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.sv-tile:hover{box-shadow:0 20px 44px -22px rgba(20,21,23,.7);border-color:rgba(234,90,22,.45);z-index:2}

/* deriva lenta continua, sfasata per ogni riquadro */
.sv-kb{position:absolute;inset:0;display:block;transform-origin:center;animation:drift 22s ease-in-out infinite alternate}
@keyframes drift{
  from{transform:scale(1.04) translate3d(-1.2%,-1%,0)}
  to  {transform:scale(1.12) translate3d(1.2%,1%,0)}
}
.sv-tile img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s var(--ease)}
/* zoom al passaggio del mouse, si somma alla deriva */
.sv-tile:hover img{transform:scale(1.12)}

/* immagine dentro il pannello: solo mobile */
.acc-panel__in{padding:0 0 28px 48px;max-width:62ch}
.acc-panel__in>p{color:var(--concrete-d);margin:0}
.acc-shot{display:none;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius);margin-bottom:16px;border:1px solid var(--line-dark)}

.accordion{border-top:1px solid var(--line-dark)}
.acc-item{border-bottom:1px solid var(--line-dark)}
.acc-head{
  width:100%;display:flex;align-items:center;gap:20px;
  padding:26px 0;text-align:left;transition:padding-left .3s var(--ease);
}
.acc-head:hover{padding-left:10px}
.acc-num{font-family:var(--font-mono);font-size:13px;color:var(--signal);font-weight:600;min-width:28px}
.acc-title{
  font-family:var(--font-display);font-size:clamp(1.4rem,3.4vw,2.4rem);
  text-transform:uppercase;letter-spacing:.01em;color:var(--ink);flex:1;line-height:1;
}
.acc-icon{position:relative;width:20px;height:20px;flex:none}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;background:var(--ink);transition:transform .3s var(--ease),background .3s;
}
.acc-icon::before{top:9px;left:0;width:20px;height:2px}
.acc-icon::after{left:9px;top:0;width:2px;height:20px}
.acc-item.is-open .acc-icon::after{transform:scaleY(0)}
.acc-item.is-open .acc-icon::before{background:var(--signal)}
.acc-item.is-open .acc-title{color:var(--signal)}
.acc-panel{
  overflow:hidden;max-height:0;transition:max-height .4s var(--ease),opacity .3s;
  opacity:0;
}
.acc-item.is-open .acc-panel{opacity:1}
.acc-link{
  display:inline-flex;align-items:center;gap:.6em;margin-top:18px;
  font-family:var(--font-mono);font-weight:500;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;
  color:#fff;background:var(--signal);padding:12px 18px;border-radius:var(--radius);
  transition:background .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.acc-link:hover{background:var(--signal-2);transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(234,90,22,.65)}
.acc-link svg{width:17px;height:17px;flex:none;transition:transform .25s var(--ease)}
.acc-link:hover svg{transform:translateX(4px)}

/* ---------- Case study ---------- */
.casestudy{background:var(--ink);border-top:1px solid var(--line)}
.cs-intro{color:var(--concrete)}

.cs-card{
  display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,3.5vw,52px);
  align-items:start;padding:clamp(30px,4vw,52px) 0;border-top:1px solid var(--line);
}
.cs-card:first-of-type{border-top:0}
/* a righe alterne la foto passa a destra (conta solo gli <article>) */
.cs-card:nth-of-type(even) .cs-media{order:2}

/* foto */
.cs-media{display:grid;grid-template-rows:auto auto;gap:10px;align-self:start}
.cs-main{
  width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--ink-3);
  transition:transform .6s var(--ease),border-color .4s var(--ease);
}
.cs-media:hover .cs-main{transform:scale(1.012);border-color:rgba(234,90,22,.4)}
.cs-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.cs-thumb{
  padding:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--ink-3);aspect-ratio:4/3;
  transition:border-color .3s var(--ease),transform .3s var(--ease);
}
.cs-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease)}
.cs-thumb:hover{border-color:var(--signal);transform:translateY(-3px)}
.cs-thumb:hover img{transform:scale(1.09)}
.cs-thumb.is-on{border-color:var(--signal)}

/* testo */
.cs-eyebrow{
  display:flex;align-items:center;gap:.8em;margin:0 0 1rem;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--concrete);
}
.cs-num{color:var(--signal);font-weight:600}
.cs-title{
  font-family:var(--font-display);font-weight:400;text-transform:uppercase;
  font-size:clamp(1.5rem,3vw,2.3rem);line-height:1.02;letter-spacing:.01em;color:var(--paper);margin:0;
}
.cs-place{
  display:inline-flex;align-items:center;gap:.5em;margin:14px 0 0;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--signal);
}
.cs-place svg{width:15px;height:15px;flex:none}
.cs-text{margin-top:1.2rem;color:#cdc8bf;max-width:52ch}
.cs-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:1.5rem}
.cs-tags li{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--concrete);border:1px solid var(--line-strong);border-radius:100px;padding:7px 13px;
}

@media (max-width:900px){
  .cs-card{grid-template-columns:1fr;gap:22px}
  .cs-card:nth-child(even) .cs-media{order:0}
  .cs-thumbs{grid-template-columns:repeat(4,1fr)}
}

/* ---------- Lavori (before/after) ---------- */
.lavori{background:var(--paper-2)}
.lavori .section-title{color:var(--ink)}
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.5vw,30px)}
.work{display:flex;flex-direction:column}
.ba{
  position:relative;aspect-ratio:1/1;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line-dark);touch-action:pan-y;user-select:none;background:var(--ink-3);
}
.ba__img{position:absolute;inset:0;background:#2a2d31 center/cover no-repeat}
.ba__img--before{clip-path:inset(0 50% 0 0)}
.ba__badge{
  position:absolute;bottom:12px;z-index:3;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  background:rgba(20,21,23,.75);color:var(--paper);padding:5px 9px;border-radius:2px;backdrop-filter:blur(4px);
}
.ba__badge--before{left:12px;border-left:2px solid var(--signal)}
.ba__badge--after{right:12px;border-right:2px solid var(--paper)}
.ba__handle{
  position:absolute;top:0;bottom:0;left:50%;width:2px;background:var(--signal);z-index:4;
  transform:translateX(-50%);pointer-events:none;
}
.ba__handle-grip{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:38px;height:38px;border-radius:50%;background:var(--signal);
  display:grid;place-items:center;box-shadow:0 4px 16px rgba(0,0,0,.4);
}
.ba__handle-grip::before,.ba__handle-grip::after{
  content:"";position:absolute;width:0;height:0;border-block:5px solid transparent}
.ba__handle-grip::before{border-right:7px solid #fff;left:8px}
.ba__handle-grip::after{border-left:7px solid #fff;right:8px}
.ba__range{
  position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;z-index:5;
}
.work__meta{padding:20px 2px 0}
.work__title{font-family:var(--font-display);font-size:1.5rem;text-transform:uppercase;letter-spacing:.01em;color:var(--ink)}
.work__facts{display:flex;flex-wrap:wrap;gap:6px 22px;margin-top:12px}
.work__facts li{font-family:var(--font-mono);font-size:12px;color:var(--ink);display:flex;gap:.5em}
.work__facts li span{color:var(--concrete-d);letter-spacing:.06em;text-transform:uppercase}
.works__note{margin-top:26px;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--concrete-d);text-transform:uppercase}

/* ---------- Zona ---------- */
.zona{background:var(--paper);border-block:1px solid var(--line-dark)}
.zona__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,6vw,80px);align-items:center}
.zona__lede{margin-top:1.6rem;max-width:44ch;color:var(--concrete-d)}
.zona__list{
  display:grid;grid-template-columns:repeat(2,1fr);gap:10px 24px;margin-top:2.2rem;
}
.zona__list li{
  font-family:var(--font-mono);font-size:14px;color:var(--ink);
  padding-left:20px;position:relative;
}
.zona__list li::before{content:"›";position:absolute;left:0;color:var(--signal)}
.zona__foot{margin-top:2rem;font-size:.95rem;color:var(--concrete-d)}
.zona__foot a{color:var(--signal);text-decoration:underline;text-underline-offset:3px}

.zona__map{display:flex;flex-direction:column;align-items:center;gap:14px}
.radar{width:100%;max-width:420px;height:auto}
.radar__ring{fill:none;stroke:rgba(20,21,23,.18);stroke-width:1}
.radar__cross{stroke:rgba(20,21,23,.14);stroke-width:1;stroke-dasharray:2 5}
.radar__hub{fill:var(--signal)}
.radar__pulse{fill:none;stroke:var(--signal);stroke-width:1.5;transform-origin:210px 210px;animation:radarpulse 3s ease-out infinite}
@keyframes radarpulse{0%{r:6;opacity:.9}100%{r:150;opacity:0}}
.radar__dot{fill:var(--ink);transition:fill .2s,r .2s}
.radar__dot--hub{fill:var(--signal)}
.radar__label{font-family:var(--font-mono);font-size:9px;fill:var(--concrete-d);text-transform:uppercase;letter-spacing:.05em}
.radar__cap{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--signal)}

/* ---------- Numeri ---------- */
.numeri{background:var(--signal);color:#fff;padding-block:clamp(48px,7vw,80px)}
.numeri__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.stat{display:flex;flex-direction:column;gap:8px;border-left:2px solid rgba(255,255,255,.4);padding-left:20px}
.stat__num{font-family:var(--font-display);font-size:clamp(2.6rem,6vw,4.4rem);line-height:.9;letter-spacing:.01em}
.stat__num--word{font-size:clamp(1.5rem,3vw,2.2rem);line-height:1}
.stat__label{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.85)}

/* ---------- Perché ---------- */
.perche .section-title{color:var(--ink)}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2vw,24px)}
.card{
  background:var(--paper-2);border:1px solid var(--line-dark);border-radius:var(--radius);
  padding:28px 24px;position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.card::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--signal);transition:width .35s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px -20px rgba(20,21,23,.4)}
.card:hover::after{width:100%}
.card__idx{font-family:var(--font-mono);font-size:12px;color:var(--signal);font-weight:600}
.card h3{font-family:var(--font-display);font-weight:400;font-size:1.35rem;text-transform:uppercase;letter-spacing:.01em;margin:14px 0 10px;color:var(--ink)}
.card p{color:var(--concrete-d);font-size:.98rem}

/* ---------- Testimonianze ---------- */
.testi{background:var(--ink)}
.testi__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.5vw,30px);margin-top:1rem}
.quote{
  margin:0;background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;position:relative;
}
.quote::before{content:"“";position:absolute;top:6px;left:18px;font-family:var(--font-display);font-size:3.4rem;color:var(--signal);opacity:.5;line-height:1}
.quote p{color:#d8d3ca;font-size:1.02rem;padding-top:18px}
.quote cite{display:block;margin-top:18px;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--concrete);font-style:normal}

/* ---------- Contatti ---------- */
.contatti{background:var(--ink);border-top:1px solid var(--line)}
.contatti__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,6vw,80px)}
.contatti__intro{margin-top:1.4rem;max-width:40ch;color:#cdc8bf}
.contatti__direct{margin-top:2.6rem}
.bigphone{display:inline-flex;flex-direction:column;gap:4px;margin-bottom:26px}
.bigphone__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--concrete)}
.bigphone__num{font-family:var(--font-display);font-size:clamp(2rem,5vw,3rem);color:var(--paper);letter-spacing:.02em;transition:color .2s}
.bigphone:hover .bigphone__num{color:var(--signal)}
.contatti__misc{display:grid;gap:12px}
.contatti__misc li{display:grid;grid-template-columns:70px 1fr;gap:14px;font-size:.95rem;color:#cdc8bf}
.contatti__misc li span{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--concrete);padding-top:2px}
.contatti__misc a{color:#cdc8bf;text-decoration:underline;text-underline-offset:3px}

/* form */
.form{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,3vw,36px)}
.field{margin-bottom:18px;display:flex;flex-direction:column;gap:8px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field label{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--concrete)}
.field input,.field select,.field textarea{
  font:inherit;color:var(--paper);background:var(--ink);
  border:1px solid var(--line-strong);border-radius:var(--radius);
  padding:13px 14px;transition:border-color .2s,background .2s;
  /* larghezza SEMPRE quella della colonna: un select con un'opzione lunga
     ("Rifacimento copertura / coibentazione / ...") ha larghezza intrinseca
     ~570px e su un telefono sfondava a destra aprendo lo scroll orizzontale */
  width:100%;min-width:0;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--signal);background:#111214}
.field textarea{resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--concrete) 50%),linear-gradient(135deg,var(--concrete) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px;background-repeat:no-repeat}
.check{display:flex;gap:12px;align-items:flex-start;margin:6px 0 22px;font-size:.86rem;color:var(--concrete)}
.check input{margin-top:3px;accent-color:var(--signal);width:18px;height:18px;flex:none}
.check a{color:var(--concrete);text-decoration:underline}
.form__status{margin-top:14px;font-family:var(--font-mono);font-size:13px;min-height:1.2em}
.form__status.is-ok{color:var(--signal-2)}
.form__status.is-err{color:#ff6b6b}

/* =====================================================================
   FOOTER
   ===================================================================== */
.site-footer{background:#0f1012;border-top:1px solid var(--line);padding-block:clamp(48px,6vw,80px) 28px}
.footer__inner{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:clamp(24px,4vw,48px)}
.footer__logo{display:inline-block;max-width:300px}
.footer__logo img{width:100%;height:auto;display:block}
.footer__tag{margin-top:18px;font-family:var(--font-mono);font-size:12px;line-height:1.7;color:var(--concrete);letter-spacing:.03em}
.footer__col h4{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--signal);margin-bottom:16px;font-weight:600}
.footer__col ul{display:grid;gap:10px}
.footer__col li,.footer__col a{font-size:.92rem;color:var(--concrete);transition:color .2s}
.footer__col a:hover{color:var(--paper)}
.footer__bar{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:clamp(36px,5vw,60px);padding-top:22px;border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--concrete-d);
}

/* =====================================================================
   SCROLL REVEAL
   ===================================================================== */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
[data-reveal][data-delay="1"]{transition-delay:.08s}
[data-reveal][data-delay="2"]{transition-delay:.16s}
[data-reveal][data-delay="3"]{transition-delay:.24s}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width:1000px){
  /* hero sul telefono: la frase INTERA come titolo sopra la foto, su piu
     righe; nel pannello resta solo il sottotitolo coi bottoni */
  .hero__mega{
    font-size:clamp(54px,15.5vw,100px);white-space:normal;text-align:center;
    width:calc(100% - 2*var(--pad));line-height:.9;
    top:clamp(84px,12vh,140px);
    /* su 4 righe la sfumatura desktop mangerebbe l'ultima: qui e solo un
       accenno — l'ultima riga resta al 78% di pieno */
    background:linear-gradient(180deg,#fdfcf8 0%,#f4f0e7 52%,#ddd7ca 80%,rgba(221,215,202,.78) 100%);
    -webkit-background-clip:text;background-clip:text;
    filter:drop-shadow(0 5px 22px rgba(13,14,16,.6));
  }
  .hero__mega-resto{
    position:static;width:auto;height:auto;margin:0;overflow:visible;
    clip:auto;white-space:inherit;
  }
  .hero__panel-title{display:none}
  .hero__stage::before{
    background:linear-gradient(180deg,rgba(14,15,17,.68) 0%,rgba(14,15,17,.48) 30%,rgba(14,15,17,.24) 48%,rgba(14,15,17,0) 64%);
  }
  .hero__bg,.hero__fg{object-position:38% 40%}
  /* pannello compatto: si deve vedere piu sfondo. Bottoni piccoli su una
     riga sola, "Chiama ora" per primo */
  .hero__panel{left:var(--pad);right:var(--pad);max-width:none;bottom:22px;padding:15px 16px 14px}
  .hero__panel-sub{margin-top:0;font-size:.9rem;line-height:1.45}
  .hero__actions{flex-wrap:nowrap;gap:10px;margin-top:.85rem}
  .hero__actions .btn{padding:11px 12px;font-size:11px;letter-spacing:.03em;white-space:nowrap}
  .hero__actions .btn--ghost{order:-1}
  .hero__since{display:none}

  .nav,.header__cta .phone-link{display:none}
  .nav-toggle{display:flex}
  .header__cta{margin-left:auto}
  .approccio__grid{grid-template-columns:1fr}
  .approccio__cols{grid-template-columns:1fr}
  /* servizi: la foto passa dentro il pannello aperto */
  .servizi__layout{grid-template-columns:1fr;gap:0}
  .servizi__media{display:none}
  .acc-shot{display:block}
  .acc-link{margin-top:14px}
  .zona__grid{grid-template-columns:1fr}
  .contatti__grid{grid-template-columns:1fr}
  .works{grid-template-columns:1fr 1fr}
  .testi__grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .numeri__grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer__inner{grid-template-columns:1fr 1fr}

  /* mobile nav panel (la pillola desktop qui si resetta) */
  .nav{
    position:fixed;inset:76px 0 auto 0;left:0;top:76px;flex-direction:column;gap:0;margin:0;
    border-radius:0;border:0;
    background:rgba(15,16,18,.97);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    transform:translateY(-120%);transition:transform .4s var(--ease);padding:8px var(--pad) 24px;
  }
  .nav.is-open{display:flex;transform:translateY(0)}
  .nav a{padding:16px 0;border-bottom:1px solid var(--line);border-radius:0;font-size:15px;background:none}
  .nav a.is-active{color:var(--paper)}
}
@media (max-width:620px){
  /* header compatto: il simbolo isometrico e largo, va ridotto */
  .header__inner{gap:12px}
  .brand{gap:8px;flex:0 1 auto;overflow:hidden}
  .brand__mark svg{width:34px;height:28px}
  .brand__name{font-size:19px}
  .brand__tag{font-size:9px;letter-spacing:.18em}
  .header__cta .btn--sm{padding:10px 13px;font-size:12px}
  .nav-toggle{margin-left:0;padding:6px}

  .works{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr}
  .acc-panel__in{padding-left:0}
}

/* telefono in ORIZZONTALE: schermo basso, il titolo si dimensiona sull'altezza */
@media (max-width:1000px) and (max-height:520px){
  .hero__mega{font-size:clamp(26px,9vh,44px);top:70px}
  .hero__panel{max-width:420px;right:auto}
}

/* =====================================================================
   REDUCED MOTION
   ===================================================================== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  [data-reveal]{opacity:1;transform:none}
  .marquee__track{animation:none}
}

/* recensioni.html */
.rev-note{
  background:var(--ink-2);border:1px dashed var(--signal);border-radius:var(--radius);
  padding:20px 24px;color:var(--concrete);margin-bottom:clamp(28px,4vw,44px);
}
.rev-note strong{display:block;color:var(--paper);margin-bottom:6px;font-weight:600}
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.5vw,26px)}
@media (max-width:900px){.rev-grid{grid-template-columns:1fr}}