:root{
  --bg:#0d0d0d;
  --bg-soft:#151515;
  --fg:#f4f2ee;
  --muted:#a3a099;
  --line:rgba(244,242,238,.12);
  --radius:14px;
  --maxw:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--fg);
  font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;line-height:1.5;
}
a{color:inherit;text-decoration:none}
img,video{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* Header */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  backdrop-filter:blur(8px);
  background:linear-gradient(to bottom,rgba(13,13,13,.7),transparent);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-size:22px;font-weight:700;letter-spacing:-.02em;display:inline-flex;align-items:center}
.logo img{height:28px;width:auto;display:block}
.nav-links{display:flex;gap:36px;font-size:15px}
.nav-links a{color:var(--muted);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--fg)}
.menu-btn{
  display:none;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--fg);background:transparent;border:1px solid var(--line);
  border-radius:100px;padding:10px 22px;cursor:pointer;font-family:inherit;
  transition:border-color .25s ease,opacity .25s ease;
}
.menu-btn:hover{border-color:var(--fg)}

/* Menu mobile */
.mobile-menu{
  position:fixed;inset:0;z-index:100;background:var(--bg);
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .35s ease,transform .35s ease,visibility .35s;
}
.mobile-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-menu-top{display:flex;align-items:center;justify-content:space-between;height:72px;flex:0 0 auto;width:100%;margin:0 auto}
.mobile-links{flex:1 1 auto;display:flex;flex-direction:column;justify-content:center;gap:8px;padding:0 24px}
.mobile-links a{
  font-size:clamp(40px,12vw,64px);font-weight:700;letter-spacing:-.03em;color:var(--fg);
  opacity:0;transform:translateY(16px);
  transition:opacity .4s ease,transform .4s ease;
}
.mobile-menu.open .mobile-links a{opacity:1;transform:translateY(0)}
.mobile-menu.open .mobile-links a:nth-child(1){transition-delay:.08s}
.mobile-menu.open .mobile-links a:nth-child(2){transition-delay:.14s}
.mobile-menu.open .mobile-links a:nth-child(3){transition-delay:.20s}
.mobile-menu-foot{display:flex;gap:24px;padding-bottom:40px;flex:0 0 auto}
.mobile-menu-foot a{color:var(--muted);font-size:15px}
.mobile-menu-foot a:hover{color:var(--fg)}
body.menu-locked{overflow:hidden}

/* Bottoni con effetto fill */
.btn{
  position:relative;overflow:hidden;isolation:isolate;
  display:inline-block;padding:14px 30px;border-radius:100px;
  border:1px solid var(--fg);background:transparent;color:var(--fg);
  font-size:15px;font-weight:600;transition:color .4s ease;z-index:0;cursor:pointer;
}
.btn::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:0;
  background:var(--fg);transition:height .4s ease;z-index:-1;
}
.btn:hover{color:#0d0d0d}
.btn:hover::before{height:100%}
.btn:focus-visible{outline:2px solid var(--fg);outline-offset:3px}

/* Link testo "Scopri di più" */
.more{font-size:14px;color:var(--fg);opacity:.85;border-bottom:1px solid var(--line);padding-bottom:2px;transition:opacity .2s}
.more:hover{opacity:1}

/* Griglia progetti */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:16/10;background:var(--bg-soft);
  display:flex;align-items:flex-end;isolation:isolate;
}
.card .thumb{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  background:linear-gradient(135deg,#242424,#101010);transition:transform .5s ease;
}
.card::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(13,13,13,.85),transparent 60%);z-index:1}
.card:hover .thumb{transform:scale(1.05)}
.card-body{position:relative;z-index:2;padding:28px}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.card-body h3{font-size:26px;font-weight:700;letter-spacing:-.02em;margin-bottom:14px}

/* CTA finale */
.cta{padding:140px 0;text-align:center;border-top:1px solid var(--line);margin-top:100px}
.cta h2{font-size:clamp(36px,6vw,72px);font-weight:700;letter-spacing:-.03em;margin-bottom:20px}
.cta p{max-width:520px;margin:0 auto 36px;color:var(--muted);font-size:18px}

/* Footer */
footer{border-top:1px solid var(--line);padding:64px 0 40px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:56px}
.foot-logo{font-size:28px;font-weight:700;letter-spacing:-.02em}
.foot-col h4{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.foot-col a{display:block;color:var(--muted);font-size:15px;margin-bottom:10px;transition:color .2s}
.foot-col a:hover{color:var(--fg)}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:28px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}

/* Page header generico (about, progetti, contatti) */
.page-hero{padding:180px 0 60px}
.eyebrow-lg{font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:20px}
.page-hero h1{font-size:clamp(44px,8vw,96px);line-height:1;font-weight:700;letter-spacing:-.03em}

@media(max-width:820px){
  .nav-links{display:none}
  .menu-btn{display:inline-flex}
  .grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .foot-logo{grid-column:1/-1}
}
@media(prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;scroll-behavior:auto}
}