/* Radix Architettura — bozza Digitam. Colori presi dal logo: a = lime, d = grigio, i = blu. */
:root{
  --lime:#a9c63d; --lime-d:#8fae22; --blue:#6aa5dc; --grey:#e4e5df; --ink:#121412;
  --paper:#f6f7f2; --white:#fff; --muted:#3c4038;
  --head:76px;
  --f-d:"Clash Grotesk", "Helvetica Neue", Arial, sans-serif;
  --f-t:"General Sans", "Helvetica Neue", Arial, sans-serif;
  --pad:clamp(20px,4vw,64px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-padding-top:calc(var(--head) + 16px);-webkit-text-size-adjust:100%}
body{font-family:var(--f-t);font-size:17px;line-height:1.55;color:var(--ink);background:var(--bg,var(--lime));
  transition:background-color .7s ease;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 14px;z-index:100}
.skip:focus{left:8px}
h1,h2,h3{font-family:var(--f-d);font-weight:500;line-height:.95;letter-spacing:-.02em}

/* header: sticky sul fondo della pagina */
.site-head{position:sticky;top:0;z-index:50;height:var(--head);display:flex;align-items:center;gap:24px;
  padding:0 var(--pad);background:var(--bg,var(--lime));transition:background-color .7s ease,box-shadow .3s;
  box-shadow:0 1px 0 rgba(18,20,18,.18)}
.brand{display:flex;align-items:center;flex:none}
.brand img{width:118px;height:auto;mix-blend-mode:multiply}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav a{font-weight:500;text-decoration:none;padding:10px 14px;border-radius:99px;font-size:16px}
.nav a:hover{background:rgba(18,20,18,.08)}
.nav a[aria-current="page"]{background:var(--ink);color:#fff}
.nav .call{background:var(--white);margin-left:8px;white-space:nowrap}
.nav .call:hover{background:var(--ink);color:#fff}
.menu-btn{display:none;margin-left:auto;font:500 16px var(--f-t);background:var(--ink);color:#fff;border:0;
  border-radius:99px;padding:12px 20px;min-height:48px;cursor:pointer}
@media (max-width:900px){
  :root{--head:64px}
  .brand img{width:96px}
  .menu-btn{display:block}
  .nav{position:fixed;left:0;right:0;top:var(--head);flex-direction:column;align-items:stretch;gap:0;
    background:var(--ink);padding:12px var(--pad) 24px;max-height:calc(100svh - var(--head));overflow:auto;
    transform:translateY(-8px);opacity:0;visibility:hidden;transition:.25s}
  .nav.open{transform:none;opacity:1;visibility:visible}
  .nav a{color:#fff;font-size:22px;min-height:56px;display:flex;align-items:center;border-radius:0;
    border-bottom:1px solid rgba(255,255,255,.14);padding:0 4px}
  .nav a[aria-current="page"]{background:none;color:var(--lime)}
  .nav .call{background:var(--lime);color:var(--ink);margin:18px 0 0;border-radius:99px;justify-content:center;border:0}
}

/* bottoni */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:52px;padding:0 24px;border-radius:99px;
  font:500 17px var(--f-t);text-decoration:none;border:1.5px solid var(--ink);transition:background .2s,color .2s}
.btn.solid{background:var(--ink);color:#fff}
.btn.solid:hover{background:transparent;color:var(--ink)}
.btn.line:hover{background:var(--ink);color:#fff}
.btn .arr{transition:transform .25s}
.btn:hover .arr{transform:translateX(4px)}

/* hero: la tavola con la casa sopra */
.hero{position:relative;min-height:calc(100svh - var(--head));display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,3vw,56px);align-items:center;
  padding:clamp(24px,4vh,56px) var(--pad) clamp(28px,5vh,64px)}
.hero h1{font-size:clamp(58px,8.4vw,150px);line-height:.9}
.hero h1 span{display:block}
.hero .lead{font-size:clamp(18px,1.45vw,22px);max-width:30ch;margin:clamp(18px,3vh,32px) 0 clamp(20px,3vh,32px);color:var(--ink)}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.creds{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:clamp(22px,4vh,40px);padding-top:16px;
  border-top:1.5px solid var(--ink);font-size:14px;font-weight:500;line-height:1.3}
.creds li{list-style:none;display:flex;align-items:center;gap:8px}
.creds li::before{content:"";width:7px;height:7px;background:var(--ink);border-radius:50%}
.board{position:relative;align-self:stretch;min-height:clamp(380px,62vh,700px)}
.board .plan{position:absolute;inset:-4% -12% auto -6%;width:118%;max-width:none;mix-blend-mode:multiply}
.board .layer{position:absolute;inset:0}
.board .shot{position:absolute;right:2%;bottom:0;width:min(78%,640px);margin:0}
.shot img{border:10px solid var(--white);box-shadow:0 30px 60px -30px rgba(18,20,18,.55)}
.shot figcaption{font-size:14px;font-weight:500;margin-top:10px;display:flex;justify-content:space-between;gap:12px}
@media (max-width:900px){
  .hero{grid-template-columns:1fr;min-height:0}
  .board{min-height:0;aspect-ratio:1/1.02;margin:0 calc(var(--pad) * -1)}
  .board .plan{inset:0 -20% auto -10%;width:130%}
  .board .shot{right:var(--pad);left:var(--pad);width:auto}
}

/* tavole dei progetti */
.sec{position:relative;padding:clamp(64px,10vh,120px) var(--pad)}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px 56px;align-items:end;margin-bottom:clamp(40px,7vh,88px)}
.sec-head h2{font-size:clamp(44px,6.2vw,104px)}
.sec-head p{font-size:clamp(17px,1.3vw,20px);max-width:44ch}
@media (max-width:900px){.sec-head{grid-template-columns:1fr}}

.work{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(24px,4vw,72px);align-items:center;
  padding:clamp(36px,7vh,90px) 0;border-top:1.5px solid var(--ink)}
.work:nth-of-type(even){grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.work:nth-of-type(even) .work-pics{order:2}
.work-pics{position:relative;min-height:clamp(340px,52vw,700px)}
.work-pics .plan{position:absolute;top:0;left:0;width:100%;max-width:900px;mix-blend-mode:multiply}
.work-pics .photo{position:absolute;right:0;bottom:0;width:min(66%,520px);border:8px solid var(--white);
  box-shadow:0 26px 50px -28px rgba(18,20,18,.6)}
.work:nth-of-type(even) .photo{right:auto;left:0}
.work:nth-of-type(even) .plan{left:auto;right:0}
.work-text h3,.work-text .h3{font-size:clamp(40px,5vw,84px)}
.list-title{font-size:clamp(36px,4.4vw,72px);margin-top:clamp(56px,10vh,120px)}
.list-title + .names{margin-top:24px}
.work-text dl{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;margin:22px 0 26px;font-size:16px}
.work-text dt{font-weight:600}
.work-text a{font-weight:500}
@media (max-width:900px){
  .work,.work:nth-of-type(even){grid-template-columns:1fr}
  .work:nth-of-type(even) .work-pics{order:0}
  .work-pics{min-height:0;aspect-ratio:1/.95}
}

/* interni */
.dark{background:var(--ink);color:#f2f3ee}
.dark .sec-head h2{color:#fff}
.rooms{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(14px,2vw,28px);align-items:end}
.rooms figure:nth-child(1){grid-column:1/8}
.rooms figure:nth-child(2){grid-column:8/13;transform:translateY(-12%)}
.rooms img{width:100%;max-width:780px}
.rooms figcaption{font-size:14px;margin-top:10px;color:#c9ccc2}
@media (max-width:700px){.rooms figure:nth-child(n){grid-column:1/-1;transform:none}}

/* studio */
.duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(28px,5vw,96px)}
.person h3,.person .h3{font-size:clamp(36px,4.2vw,68px)}
.person .born{font-size:17px;margin:10px 0 22px}
.cv{list-style:none;border-top:1.5px solid var(--ink)}
.cv li{display:grid;grid-template-columns:96px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid rgba(18,20,18,.3);font-size:16px}
.cv b{font-weight:600}
@media (max-width:760px){.duo{grid-template-columns:1fr}.cv li{grid-template-columns:76px 1fr}}

/* progetti (rendering) */
.renders{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2vw,32px)}
.renders a{text-decoration:none;display:block}
.renders img{width:100%;max-width:522px;aspect-ratio:1;object-fit:cover;transition:transform .5s}
.renders .ph{overflow:hidden;background:#ddd}
.renders a:hover img{transform:scale(1.04)}
.renders h3,.renders .h3{font-size:clamp(24px,2.2vw,34px);margin-top:14px}
.renders span{font-size:14px}
@media (max-width:760px){.renders{grid-template-columns:repeat(2,minmax(0,1fr))}}
.names{list-style:none;columns:3 220px;column-gap:40px;margin-top:clamp(40px,6vh,72px);border-top:1.5px solid var(--ink)}
.names li{break-inside:avoid;border-bottom:1px solid rgba(18,20,18,.3)}
.names a{display:flex;justify-content:space-between;gap:12px;padding:14px 0;text-decoration:none;font-family:var(--f-d);font-size:24px;font-weight:500}
.names a:hover{color:var(--muted)}
.names small{font:500 13px var(--f-t);align-self:center}

/* contatti */
.contact{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,5vw,96px);align-items:end}
.contact h2{font-size:clamp(48px,7vw,124px)}
.contact .big{font-family:var(--f-d);font-weight:500;font-size:clamp(28px,3vw,46px);line-height:1.1;text-decoration:none;display:inline-block;margin-top:24px}
.contact .big:hover{text-decoration:underline;text-decoration-thickness:2px}
.lines{list-style:none;font-size:17px;border-top:1.5px solid var(--ink)}
.lines li{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid rgba(18,20,18,.3)}
.lines a{font-weight:600;text-decoration:none;white-space:nowrap}
.lines a:hover{text-decoration:underline}
@media (max-width:900px){.contact{grid-template-columns:1fr}}
@media (max-width:600px){
  .contact .big{font-size:min(28px,5.6vw)}
  .lines li{flex-wrap:wrap;gap:2px 16px}
  .lines a{white-space:normal}
}

/* testata delle pagine interne */
.page-top{min-height:58svh;display:flex;flex-direction:column;justify-content:flex-end;
  padding:clamp(48px,9vh,110px) var(--pad) clamp(32px,6vh,72px)}
.page-top h1{font-size:clamp(56px,9vw,160px)}
.page-top p{font-size:clamp(18px,1.4vw,22px);max-width:46ch;margin-top:22px}

.foot{background:var(--ink);color:#d9dbd3;padding:44px var(--pad);display:flex;flex-wrap:wrap;gap:16px 40px;
  justify-content:space-between;font-size:14px}
.foot a{color:#fff}
.foot nav{display:flex;gap:18px;flex-wrap:wrap}

/* movimento: la tavola si disegna da sinistra, poi salgono titolo e foto */
@keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
@keyframes draw{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
.in{animation:rise .8s cubic-bezier(.2,.7,.2,1) var(--d,0s) both}
.draw{animation:draw 1.3s cubic-bezier(.6,.1,.2,1) both}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}