/* Four ADV — foglio di stile. Carattere: Inter (SIL Open Font License), da fonts.google.com */
@import url("fonts/inter.css");

:root{
  --blu:#2200F7;
  --blu-scuro:#1600A8;
  --nero:#111111;
  --grigio:#444444;
  --grigio-chiaro:#EAEAF2;
  --bianco:#FFFFFF;
  --max:1200px;
  --m:6vw;
  --r:4px;
  font-size:clamp(16px,1.05vw,19px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--nero);background:var(--bianco);line-height:1.5;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{margin:0;line-height:1.05;letter-spacing:-0.025em;font-weight:800}
h1{font-size:clamp(3rem,8.4vw,7.6rem);line-height:.92;letter-spacing:-0.035em}
h2{font-size:clamp(2rem,4.2vw,3.4rem)}
h3{font-size:1.2rem;font-weight:700;letter-spacing:-0.01em}
p{margin:0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:3px solid var(--blu);outline-offset:3px}
.bianco :focus-visible{outline-color:var(--bianco)}

.wrap{width:min(100% - 2*var(--m),var(--max));margin-inline:auto}
section{padding-block:clamp(4rem,8vw,7rem)}

/* testata */
.top{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--grigio-chiaro)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:1rem}
.logo{color:var(--blu);height:30px;width:auto}
.logo svg{height:100%;width:auto}
.nav{display:flex;gap:clamp(.8rem,2vw,1.8rem);list-style:none;margin:0;padding:0;font-weight:500;font-size:.95rem}
.nav a{text-decoration:none;padding:.5rem .1rem;display:inline-block}
.nav a:hover{color:var(--blu)}
.btn{display:inline-block;background:var(--blu);color:var(--bianco);text-decoration:none;font-weight:700;padding:.85rem 1.4rem;border-radius:var(--r);border:0;cursor:pointer;font:inherit;font-weight:700;min-height:44px}
.btn:hover{background:var(--blu-scuro)}
.btn.inverso{background:var(--bianco);color:var(--blu)}
.btn.inverso:hover{background:var(--grigio-chiaro)}
.top .btn{padding:.6rem 1.1rem}
@media (max-width:760px){.nav{display:none}}

/* apertura: il quarto del marchio, ingrandito, sale dal basso a sinistra (angolo retto in basso a sinistra, arco verso l'alto a destra).
   Le prime righe del titolo stanno sul bianco, l'ultima riga, il testo e il pulsante stanno dentro il blu. */
.hero{position:relative;overflow:hidden;padding-block:0}
.hero .wrap{position:relative;z-index:1;padding-top:clamp(3rem,6vw,5rem);padding-bottom:clamp(3rem,6vw,5rem);display:grid;gap:1.4rem}
.hero h1{max-width:9ch;color:var(--bianco)}
.hero h1 .riga2{display:block;color:var(--bianco)}
.hero p{font-size:clamp(1.1rem,1.6vw,1.4rem);max-width:36ch;color:var(--bianco);margin-top:.6rem}
.hero .btn{justify-self:start;margin-top:.4rem}
.quarto{position:absolute;left:0;bottom:0;width:min(150vw,1100px);aspect-ratio:1;background:var(--blu);border-top-right-radius:100%;pointer-events:none;z-index:0}
@media (max-width:760px){.quarto{width:150vw}}

/* servizi */
.griglia{display:grid;gap:clamp(1.6rem,3vw,3rem) clamp(1.6rem,3vw,2.6rem);grid-template-columns:repeat(3,1fr);margin-top:3rem}
@media (max-width:900px){.griglia{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.griglia{grid-template-columns:1fr}}
.card{border-top:3px solid var(--blu);padding-top:1.2rem}
.card h3{margin-bottom:.6rem}
.card p{color:var(--grigio);font-size:1.02rem}
.intro{max-width:60ch;color:var(--grigio);font-size:1.15rem;margin-top:1.2rem}

/* metodo: il cerchio si costruisce un quarto alla volta, dal quarto del marchio in senso orario */
.passi{display:grid;gap:3rem 2rem;grid-template-columns:repeat(4,1fr);margin-top:3.5rem}
@media (max-width:900px){.passi{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.passi{grid-template-columns:1fr}}
.passo{display:grid;gap:.9rem;align-content:start}
.passo .testa{display:flex;align-items:flex-end;gap:24px}
.passo .n{font-weight:800;color:var(--blu);font-size:clamp(5rem,9.5vw,10rem);line-height:.8;letter-spacing:-0.05em}
.passo .cerchio{width:clamp(72px,8vw,120px);aspect-ratio:1;position:relative;flex:none}
.passo .cerchio i{position:absolute;width:50%;height:50%;background:var(--blu)}
.passo .cerchio .q1{left:0;bottom:0;border-bottom-left-radius:100%}
.passo .cerchio .q2{left:0;top:0;border-top-left-radius:100%}
.passo .cerchio .q3{right:0;top:0;border-top-right-radius:100%}
.passo .cerchio .q4{right:0;bottom:0;border-bottom-right-radius:100%}
.passo h3{margin-top:.4rem}
.passo p{color:var(--grigio);font-size:1.02rem}

/* clienti: una riga continua per settore */
.settori{margin-top:3rem;display:grid;gap:2rem}
.settore{display:grid;grid-template-columns:230px 1fr;gap:.8rem 2.5rem;align-items:baseline;padding-top:1.4rem;border-top:1px solid var(--grigio-chiaro)}
@media (max-width:760px){.settore{grid-template-columns:1fr}}
.settore h3{color:var(--grigio);font-size:.82rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;line-height:1.5}
.settore p{font-size:clamp(1.15rem,1.7vw,1.5rem);font-weight:500;line-height:1.5;letter-spacing:-0.01em;color:var(--nero)}
.settore p span{color:#B9B9D0;padding-inline:.35em}

/* chi siamo: il marchio in scala esagerata, tagliato dal bordo */
.chi{background:var(--blu);color:var(--bianco);position:relative;overflow:hidden}
.chi .wrap{position:relative;z-index:1;max-width:min(100% - 2*var(--m),640px);margin-left:max(var(--m),calc((100% - var(--max))/2))}
.chi p{font-size:1.15rem;opacity:.95;margin-top:1.2rem;max-width:46ch}
.chi .grande{position:absolute;right:-8%;bottom:-14%;width:52%;color:#FFFFFF;pointer-events:none}
@media (max-width:900px){.chi .grande{width:70%;right:-12%;bottom:-10%;opacity:.25}.chi{padding-bottom:9rem}}

/* contatti */
.contatti .wrap{display:grid;gap:3rem;grid-template-columns:1fr 1fr;align-items:start}
@media (max-width:760px){.contatti .wrap{grid-template-columns:1fr}}
.recapiti{margin-top:1.6rem;font-size:1.1rem;line-height:1.9}
.recapiti a{color:var(--blu);text-decoration:none;font-weight:600}
.recapiti a:hover{text-decoration:underline}
form{display:grid;gap:1.1rem}
label{display:grid;gap:.35rem;font-weight:600;font-size:.95rem}
input,textarea{font:inherit;padding:.8rem .9rem;border:1.5px solid #9A9AB0;border-radius:var(--r);background:var(--bianco);color:var(--nero);min-height:44px}
input:focus,textarea:focus{border-color:var(--blu)}
textarea{min-height:140px;resize:vertical}
.consenso{display:flex;gap:12px;align-items:flex-start;font-weight:400;color:var(--grigio);font-size:.9rem}
.consenso input{width:22px;height:22px;min-height:0;margin:.1rem 0 0;padding:0;flex:none}
.esito{color:var(--blu);font-weight:600;min-height:1.5rem}

/* piè di pagina */
footer{border-top:1px solid var(--grigio-chiaro);padding-block:2.5rem;color:var(--grigio);font-size:.88rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:1rem 2.5rem;justify-content:space-between;align-items:center}
footer a{color:var(--grigio)}
footer .logo{height:22px;color:var(--blu)}
footer address{font-style:normal;line-height:1.7}

/* pagina testo (privacy) */
.testo{max-width:70ch}
.testo h1{font-size:clamp(2rem,4vw,3rem);line-height:1.05;letter-spacing:-0.02em}
.testo h2{font-size:1.4rem;margin-top:2.4rem}
.testo p,.testo li{color:var(--grigio);margin-top:.8rem}

/* lavori */
.galleria{display:grid;gap:clamp(1rem,2vw,1.8rem);grid-template-columns:repeat(3,1fr);margin-top:3rem}
@media (max-width:900px){.galleria{grid-template-columns:repeat(2,1fr)}}
.galleria figure{margin:0}
.galleria img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;background:var(--grigio-chiaro)}
.galleria figcaption{margin-top:.6rem;font-size:.9rem;color:var(--grigio)}
.galleria figcaption b{color:var(--nero);font-weight:700;display:block}

/* pagine */
.titolo-pagina{font-size:clamp(2.6rem,6vw,5rem);line-height:.95;letter-spacing:-0.03em}
.riga-titolo{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap}
.link{color:var(--blu);font-weight:700;text-decoration:none}
.link:hover{text-decoration:underline}
.link::after{content:" →"}
.grigia{background:#F6F6FA}
.nav a[aria-current="page"]{color:var(--blu)}
.galleria figcaption{font-size:1rem}
.galleria figcaption b{color:var(--blu)}
.chi h2{max-width:14ch}
.chi .btn{margin-top:1.4rem}
.consenso{align-items:center}

/* home: lavori scelti, il primo grande */
.vetrina{grid-template-columns:repeat(3,1fr)}
.vetrina .grande{grid-column:span 2;grid-row:span 2}
.vetrina .grande img{height:auto;aspect-ratio:4/5}
@media (max-width:900px){.vetrina .grande{grid-column:span 2;grid-row:auto}.vetrina .grande img{height:auto;aspect-ratio:4/5}}

/* servizi: titolo a sinistra, due lavori della stessa misura a destra, allineati in alto */
.servizi-lista{display:grid;gap:clamp(3rem,6vw,5rem);margin-top:3.5rem}
.servizio{display:grid;grid-template-columns:repeat(12,1fr);gap:1.5rem clamp(1rem,2vw,2rem);align-items:start;padding-top:2rem;border-top:1px solid var(--grigio-chiaro)}
.testo-servizio{grid-column:1 / span 4}
.coppia{grid-column:5 / span 8;display:grid;grid-template-columns:1fr 1fr;gap:clamp(1rem,2vw,2rem)}
.servizio .num{display:block;color:var(--blu);font-weight:800;font-size:1rem;letter-spacing:.04em;margin-bottom:.8rem}
.servizio h2{font-size:clamp(1.7rem,2.8vw,2.4rem);max-width:12ch}
.servizio p{color:var(--grigio);font-size:1.1rem;margin-top:1rem;max-width:32ch}
.coppia figure{margin:0}
.coppia img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;background:var(--grigio-chiaro)}
.coppia figcaption{margin-top:.6rem;font-size:.95rem;color:var(--grigio)}
.coppia figcaption b{color:var(--blu);display:block}
@media (max-width:900px){.testo-servizio,.coppia{grid-column:1 / -1}}

/* clienti: loghi */
.loghi{list-style:none;margin:3rem 0 0;padding:0;display:grid;grid-template-columns:repeat(6,1fr);gap:.5rem 1.5rem}
.loghi li{display:flex;align-items:center;justify-content:center;aspect-ratio:2/1;padding:.6rem}
.loghi img{max-width:100%;height:auto;object-fit:contain}
@media (max-width:900px){.loghi{grid-template-columns:repeat(3,1fr)}}
@media (max-width:480px){.loghi{grid-template-columns:repeat(2,1fr)}}
.altri{margin-top:3rem}

.altri{margin-top:3.5rem;display:grid;grid-template-columns:230px 1fr;gap:1rem 2.5rem;align-items:baseline}
.altri h2{font-size:.82rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--grigio)}
.nomi{list-style:none;margin:0;padding:0;columns:3;column-gap:2.5rem;font-size:1.1rem;font-weight:500;line-height:1.9}
@media (max-width:760px){.altri{grid-template-columns:1fr}.nomi{columns:2}}

/* home: miniature dei servizi */
.servizi-mini{list-style:none;margin:3rem 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:2rem clamp(1rem,2vw,2rem)}
.servizi-mini a{display:block;text-decoration:none;color:var(--nero)}
.servizi-mini img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.servizi-mini span{display:block;margin-top:.8rem;font-weight:700;font-size:1.15rem;line-height:1.3}
.servizi-mini a:hover span{color:var(--blu)}
@media (max-width:900px){.servizi-mini{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.servizi-mini{grid-template-columns:repeat(2,1fr)}}
.galleria figure{display:flex;flex-direction:column}
.galleria figcaption{min-height:2.8rem}

/* segnale di video: il triangolo del play */
.coppia figure.video{position:relative}
.coppia figure.video::after{content:"";position:absolute;left:50%;top:calc(50% - 1.6rem);width:76px;height:76px;margin:-38px 0 0 -38px;border-radius:50%;background:rgba(255,255,255,.92) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 5v14l11-7z' fill='%232200F7'/%3E%3C/svg%3E") center/34px no-repeat}
.loghi li{min-width:0}
.loghi img{max-width:100%;height:auto}