@font-face{font-family:'Red Hat Display';font-weight:500;src:url(fonts/red-hat-display-latin-500-normal.woff2) format('woff2');font-display:swap}
@font-face{font-family:'Red Hat Display';font-weight:700;src:url(fonts/red-hat-display-latin-700-normal.woff2) format('woff2');font-display:swap}
@font-face{font-family:'Red Hat Display';font-weight:900;src:url(fonts/red-hat-display-latin-900-normal.woff2) format('woff2');font-display:swap}
@font-face{font-family:'Red Hat Text';font-weight:400;src:url(fonts/red-hat-text-latin-400-normal.woff2) format('woff2');font-display:swap}
@font-face{font-family:'Red Hat Text';font-weight:500;src:url(fonts/red-hat-text-latin-500-normal.woff2) format('woff2');font-display:swap}
@font-face{font-family:'Red Hat Text';font-weight:700;src:url(fonts/red-hat-text-latin-700-normal.woff2) format('woff2');font-display:swap}
@font-face{font-family:'Red Hat Mono';font-weight:400;src:url(fonts/red-hat-mono-latin-400-normal.woff2) format('woff2');font-display:swap}
@font-face{font-family:'Red Hat Mono';font-weight:500;src:url(fonts/red-hat-mono-latin-500-normal.woff2) format('woff2');font-display:swap}

:root{
  --calce:#eef0ee; --calce-2:#dfe3df; --grafite:#1c2321; --grafite-2:#2b3431; --muto:#5d6763;
  --cantiere:#f2b705; --progetto:#2f6fdb; --bianco:#fff;
  --d:'Red Hat Display',system-ui,sans-serif; --b:'Red Hat Text',system-ui,sans-serif; --m:'Red Hat Mono',ui-monospace,monospace;
  --gut:16px; --safe:env(safe-area-inset-bottom,0px);
  --sky-top:#5d97cf; --sky-bot:#dce8ee;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:64px}
body{background:var(--calce);color:var(--grafite);font:400 17px/1.55 var(--b);overflow-x:hidden}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer;-webkit-tap-highlight-color:transparent}
a{color:inherit}
ul,ol{list-style:none}
h1,h2,h3{font-family:var(--d);line-height:1.02;letter-spacing:-.02em}
h2{font-weight:900;font-size:clamp(36px,9.6vw,72px);max-width:18ch}
h3{font-weight:700}
:focus-visible{outline:3px solid var(--cantiere);outline-offset:2px}
.skip{position:absolute;left:-999px;top:8px;z-index:90;background:var(--bianco);padding:10px 14px}
.skip:focus{left:8px}
.eyebrow{font:500 13px var(--m);letter-spacing:.06em;text-transform:uppercase;color:var(--progetto);margin-bottom:12px}

/* TESTATA */
.top{position:fixed;inset:0 0 auto;z-index:30;display:flex;align-items:center;gap:20px;padding:10px var(--gut);color:var(--bianco);background:linear-gradient(rgba(12,18,24,.55),rgba(12,18,24,0));transition:background-color .3s,color .3s,box-shadow .3s}
.top.solid{background:var(--calce);color:var(--grafite);box-shadow:0 1px 0 var(--calce-2)}
.logo{display:flex;align-items:center;gap:8px;font:900 20px/1 var(--d);text-decoration:none;letter-spacing:-.01em}
.logo span{font-weight:500}
.top nav{display:none;gap:26px;margin-left:auto;font-weight:500;font-size:15px}
.top nav a{text-decoration:none}
.top nav a:hover{text-decoration:underline;text-underline-offset:4px}
.top .btn{margin-left:auto}

/* BOTTONI */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 22px;border-radius:999px;background:var(--cantiere);color:var(--grafite);font:700 16px var(--b);text-decoration:none;border:0;transition:transform .15s,background-color .2s}
.btn:active{transform:scale(.97)}
.btn.small{min-height:40px;padding:0 16px;font-size:14px}
.btn.ghost{background:rgba(255,255,255,.12);color:var(--bianco);box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.7);backdrop-filter:blur(6px)}
.btn.wide{width:100%}

/* HERO: il time lapse a tutto schermo, il cielo cambia con il sole */
.hero{position:relative;height:100svh;min-height:620px;overflow:hidden;color:var(--bianco);background:linear-gradient(var(--sky-top),var(--sky-bot) 62%,#7c9a55 62.2%);display:flex;flex-direction:column;justify-content:space-between;padding:70px var(--gut) calc(14px + var(--safe))}
#gl{position:absolute;inset:0;width:100%;height:100%;opacity:0;transition:opacity .8s}
#gl.on{opacity:1}
.scrim{position:absolute;inset:0;pointer-events:none;background:linear-gradient(rgba(12,18,24,.55),rgba(12,18,24,0) 46%,rgba(12,18,24,0) 64%,rgba(12,18,24,.7))}
.hero-copy,.hero-foot{position:relative;z-index:2}
.hero .eyebrow{color:var(--cantiere)}
.hero h1{font-weight:900;font-size:clamp(40px,11.4vw,96px);max-width:12ch;text-wrap:balance}
.hero h1 em{font-style:normal;color:var(--cantiere)}
.sub{max-width:36ch;margin-top:12px;font-weight:500;font-size:16px;text-shadow:0 1px 12px rgba(0,0,0,.35)}
.lapse{margin-bottom:12px}
.lapse-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.play{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.16);box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.6);color:var(--bianco);flex:none}
.play .i-play{display:none}
.play.paused .i-play{display:block}
.play.paused .i-pause{display:none}
.stage{font:700 18px var(--d);display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px}
.day{font:400 13px var(--m);opacity:.85}
.day b{font-weight:500}
.steps{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.steps button{position:relative;display:block;width:100%;height:28px;padding-top:12px}
.steps button::before{content:'';position:absolute;left:0;right:0;top:4px;height:4px;border-radius:4px;background:rgba(255,255,255,.3)}
.steps button i{position:absolute;left:0;top:4px;height:4px;border-radius:4px;background:var(--cantiere);width:var(--p,0%)}
.steps button span{display:none;font:500 11px var(--m);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}
.ctas{display:grid;grid-template-columns:1.25fr 1fr;gap:8px}
.ctas .btn{padding:0 12px;font-size:15px;white-space:nowrap}

/* PROMESSA */
.promise{padding:64px var(--gut) 40px}
.facts{display:grid;gap:0;margin-top:28px}
.facts li{display:grid;gap:4px;padding:16px 0;border-top:1.5px solid var(--grafite)}
.facts b{font:700 22px var(--d)}
.facts span{color:var(--muto)}

/* METODO: fasi in sequenza, linea di progetto */
.method{padding:56px var(--gut);background:var(--grafite);color:var(--calce)}
.method .eyebrow{color:var(--cantiere)}
.phases{margin-top:28px;display:grid}
.phases li{display:grid;grid-template-columns:52px 1fr;gap:14px;padding:18px 0;border-top:1px solid rgba(238,240,238,.2);position:relative}
.n{font:500 15px var(--m);color:var(--cantiere);padding-top:5px}
.phases h3{font-size:24px;margin-bottom:6px}
.phases p{color:#c3cac6}
.phases small{display:inline-block;margin-top:10px;font:500 13px var(--m);padding:3px 8px;border:1px solid rgba(238,240,238,.35);border-radius:4px}

/* PROGETTI: prospetti tecnici disegnati */
.works{padding:64px var(--gut)}
.cards{display:grid;gap:14px;margin-top:28px}
.card{background:var(--bianco);border-radius:12px;padding:14px 14px 18px;box-shadow:0 1px 0 var(--calce-2)}
.card svg{display:block;width:100%;height:auto;margin-bottom:12px;background:
  linear-gradient(rgba(47,111,219,.07) 1px,transparent 1px) 0 0/16px 16px,
  linear-gradient(90deg,rgba(47,111,219,.07) 1px,transparent 1px) 0 0/16px 16px;border-radius:6px}
.card path{fill:none;stroke:var(--grafite);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.card path.w{stroke:var(--progetto);stroke-width:1.6}
.card path.g{stroke:var(--muto);stroke-dasharray:6 5}
.card path.dim,.card path.rail{stroke:var(--progetto);stroke-width:1.2}
.card text{font:500 11px var(--m);fill:var(--progetto);text-anchor:middle}
.card h3{font-size:22px}
.card p{color:var(--muto);font-size:15px}
.card svg path:not(.g){stroke-dasharray:900;stroke-dashoffset:900;transition:stroke-dashoffset 1.8s cubic-bezier(.4,0,.2,1)}
.card.drawn svg path:not(.g){stroke-dashoffset:0}

/* SERVIZI */
.services{padding:24px var(--gut) 64px}
.serv{display:grid;margin-top:24px}
.serv li{padding:16px 0;border-top:1.5px solid var(--grafite)}
.serv h3{font-size:22px;margin-bottom:4px}
.serv p{color:var(--muto)}

/* PREVENTIVO */
.quote{padding:64px var(--gut);background:var(--bianco)}
.lead{max-width:44ch;margin:12px 0 26px;color:var(--muto)}
.calc,.contact{display:grid;gap:18px}
fieldset{border:0;min-width:0}
legend{font-weight:700;margin-bottom:10px}
legend b{font-weight:700;color:var(--progetto)}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opts label{position:relative;cursor:pointer}
.opts input{position:absolute;opacity:0;inset:0;cursor:pointer}
.opts span{display:flex;align-items:center;min-height:46px;padding:0 16px;border-radius:999px;background:var(--calce);font-weight:500;font-size:15px;transition:background-color .2s,color .2s}
.opts input:checked+span{background:var(--grafite);color:var(--bianco)}
.opts input:focus-visible+span{outline:3px solid var(--cantiere);outline-offset:2px}
input[type=range]{width:100%;height:44px;accent-color:var(--progetto)}
.help{font-size:13px;color:var(--muto)}
.estimate{padding:18px;border-radius:12px;background:var(--grafite);color:var(--bianco)}
.estimate span{font:500 12px var(--m);text-transform:uppercase;letter-spacing:.06em;color:var(--cantiere)}
.estimate output{display:block;font:900 clamp(28px,8vw,44px)/1.1 var(--d);margin:4px 0}
.estimate small{font:400 13px var(--m);color:#c3cac6}
.contact{margin-top:36px;padding-top:28px;border-top:1.5px solid var(--grafite)}
.contact h3{font-size:26px}
#contactFields{display:grid;gap:12px}
.contact label{display:grid;gap:5px;font-weight:500;font-size:15px}
.contact input{min-height:50px;padding:0 14px;border-radius:8px;border:1.5px solid var(--calce-2);background:var(--calce);font-size:16px}
.contact input:focus{outline:none;border-color:var(--grafite);background:var(--bianco)}
.fine{font-size:13px;color:var(--muto)}
.ok{font:900 30px var(--d);color:var(--progetto)}
[hidden]{display:none!important}

/* PIÈ DI PAGINA */
.foot{padding:40px var(--gut) calc(30px + var(--safe));background:var(--grafite);color:#c3cac6;display:grid;gap:14px;font-size:15px}
.foot b{color:var(--calce)}
.foot-grid{display:grid;gap:14px}

@media (min-width:640px){
  :root{--gut:32px}
  .top nav{display:flex}
  .top .btn{margin-left:0}
  .steps button{height:40px;padding-top:14px}
  .steps button span{display:block;padding-top:6px;opacity:.75}
  .steps button[aria-current=step] span{opacity:1}
  .ctas{display:flex}
  .ctas .btn{padding:0 24px;font-size:16px}
  .facts{grid-template-columns:repeat(3,1fr);gap:28px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .serv{grid-template-columns:1fr 1fr;gap:0 40px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (min-width:1000px){
  .hero{padding:90px 6vw 32px}
  .hero h1{font-size:clamp(56px,6.4vw,104px)}
  .hero-copy{max-width:640px}
  .hero-foot{display:grid;grid-template-columns:1fr auto;align-items:end;gap:40px}
  .lapse{margin:0;max-width:640px}
  .promise,.works,.services,.quote{padding-left:6vw;padding-right:6vw}
  .method{padding:80px 6vw}
  .phases{grid-template-columns:repeat(4,1fr);gap:28px}
  .phases li{grid-template-columns:1fr;border-top:2px solid var(--cantiere)}
  .cards{grid-template-columns:repeat(3,1fr)}
  .quote{display:grid;grid-template-columns:1fr 1fr;gap:0 64px;align-items:start}
  .quote .eyebrow,.quote h2,.quote .lead{grid-column:1/-1}
  .contact{margin-top:0;padding-top:0;border-top:0}
  .foot{padding-left:6vw;padding-right:6vw}
}
@media (hover:hover){
  .btn:hover{background:#ffc928}
  .btn.ghost:hover{background:rgba(255,255,255,.22)}
  .steps button:hover::before{background:rgba(255,255,255,.55)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}
.no-gl #gl{display:none}