:root{
  /* PALETTE — tema chiaro */
  --bg-0:#f7fafc;        /* background pagina */
  --bg-1:#ffffff;        /* superfici / card */
  --text:#0f172a;        /* testo principale */
  --muted:#475569;       /* testo secondario */
  --accent:#00c2a8;      /* brand teal */
  --accent-2:#3ac3ff;    /* brand sky */
  --card:#ffffff;

  --ring:rgba(2,6,23,.10);
  --shadow:rgba(2,6,23,.08);
  --radius:18px;

  /* bagliori soft per hero chiaro */
  --hero-glow-1:rgba(58,195,255,.14);
  --hero-glow-2:rgba(0,194,168,.12);
}

*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", sans-serif;
  background:var(--bg-0);
  color:var(--text);
  letter-spacing:.2px;
}
a{color:inherit; text-decoration:none}
.wrap{max-width:1100px; margin-inline:auto; padding-inline:20px}

/* Header (chiaro) */
header{
  position:sticky; top:0; z-index:50;
  background:var(--bg-1);
  border-bottom:1px solid rgba(2,6,23,.08);
}
.nav{display:flex; align-items:center; justify-content:space-between; height:70px}
.brand{display:flex; align-items:center; gap:12px; font-weight:700}
.brand__logo{width:36px; height:36px; border-radius:9px; overflow:hidden; display:block}
.brand__logo img{width:100%; height:100%; object-fit:contain; display:block}
.nav a.cta{padding:10px 14px; border:1px solid rgba(2,6,23,.14); border-radius:999px; font-weight:600}
.nav a.cta:hover{border-color:var(--accent); color:var(--accent)}

/* Hero (chiaro) */
.hero{
  padding:72px 0 36px;
  color:var(--text);
  background:
    radial-gradient(1100px 560px at 85% -10%, var(--hero-glow-1), transparent 60%),
    radial-gradient(820px 520px at -10% 20%, var(--hero-glow-2), transparent 60%),
    var(--bg-1);
}
@media (max-width:1023px){ .hero{ background:var(--bg-1); } }

.hero__inner{display:grid; grid-template-columns:1.1fr .9fr; gap:36px; align-items:center}
.eyebrow{color:var(--accent); font-weight:700; text-transform:uppercase; font-size:1.2rem; letter-spacing:.12em}
h1{font-size:clamp(32px,4vw,48px); line-height:1.08; margin:10px 0 16px}
.lead{color:var(--muted); font-size:clamp(16px,2.2vw,18px)}
.hero__cta{margin-top:20px; display:flex; gap:12px; flex-wrap:wrap}

.btn{
  display:inline-flex; align-items:center; gap:10px; padding:12px 16px;
  border-radius:12px; border:1px solid rgba(2,6,23,.14); font-weight:600;
  background:transparent;
}
.btn--primary{background:linear-gradient(135deg,var(--accent),var(--accent-2)); color:#fff; border:none}
.btn--primary:hover{filter:brightness(1.05)}
.btn--ghost:hover{border-color:var(--accent); color:var(--accent)}

.hero__media{position:relative}
.blob{
  position:absolute; inset:auto 0 0 auto; width:70%; height:70%; translate:20% 10%; z-index:-1;
  filter:blur(40px) saturate(120%);
  background:radial-gradient(closest-side, rgba(58,195,255,.22), rgba(0,194,168,.14), transparent 70%);
  border-radius:50% 40% 60% 50% / 50% 60% 40% 50%;
}

.frame{
  aspect-ratio:16/11; border-radius:var(--radius); background:var(--bg-1);
  border:1px solid rgba(2,6,23,.12);
  box-shadow:0 10px 30px var(--shadow), 0 0 0 1px rgba(255,255,255,.5) inset;
  display:grid; place-items:center; color:var(--muted); font-size:.95rem;
  position:relative; overflow:hidden; clip-path:inset(0 round var(--radius));
}
.hero__img{width:100%; height:auto; display:block; border-radius:inherit !important}

/* Sezioni chiare — spazi ridotti */
.section{padding:28px 0}
#societa,#gruppo,#contatti,footer{background:var(--bg-0)}
#societa{padding-top:20px}

/* KPIs (chiari) */
.kpis{margin-top:22px; display:grid; grid-template-columns:repeat(4,1fr); gap:12px}
.kpi{
  background:var(--bg-1);
  border:1px solid rgba(2,6,23,.10);
  border-radius:14px; padding:16px;
  min-width:0; word-break:break-word; white-space:normal; hyphens:auto;
  box-shadow:0 1px 2px rgba(2,6,23,.04);
}
.kpi b{font-size:1.3rem}
@media (max-width:900px){ .kpis{grid-template-columns:repeat(2, minmax(0,1fr));} }
@media (max-width:420px){ .kpis{grid-template-columns:1fr;} }

/* Griglia aziende */
.grid{display:grid; grid-template-columns:repeat(12,1fr); gap:18px; align-items:stretch}
.col-4{grid-column:span 12}
@media (min-width:720px){.col-4{grid-column:span 6}}
@media (min-width:1000px){.col-4{grid-column:span 6}}

.card{
  background:linear-gradient(180deg, rgba(2,6,23,.02), rgba(2,6,23,0));
  border:1px solid rgba(2,6,23,.10);
  border-radius:16px; padding:18px;
  transition:.25s transform,.25s border-color,.25s box-shadow;
  display:flex; flex-direction:column; height:100%;
  box-shadow:0 1px 2px rgba(2,6,23,.04);
}
.card:hover{transform:translateY(-4px); border-color:rgba(0,194,168,.35); box-shadow:0 16px 40px -12px rgba(0,194,168,.22)}
.card__header{display:flex; align-items:center; justify-content:space-between}
.logo{width:40px; height:40px; border-radius:10px; display:grid; place-items:center; background:linear-gradient(135deg,var(--accent),var(--accent-2)); color:#0f172a; font-weight:800}
.badge{font-size:.75rem; color:var(--muted); border:1px solid rgba(2,6,23,.12); padding:4px 8px; border-radius:999px}
.card h3{margin:12px 0 6px; font-size:1.1rem}
.card p{color:var(--muted); margin:0 0 12px}
.chipbar{display:flex; gap:8px; flex-wrap:wrap; margin:6px 0 12px}
.chip{
  font-size:.75rem; background:#eef5f9; border:1px solid rgba(2,6,23,.10);
  padding:6px 8px; border-radius:999px; color:#0f172a;
}
.card a.btn{width:100%; justify-content:center; margin-top:auto}

/* Footer (chiaro) */
footer{
  margin-top:40px; padding:28px 0 48px;
  border-top:1px solid rgba(2,6,23,.10);
  color:var(--muted); background:var(--bg-0);
}
.links{display:flex; gap:14px; flex-wrap:wrap}

/* Modali (overlay scuro, contenuto chiaro) */
.modal{position:fixed; inset:0; background:rgba(0,0,0,.6); display:none; align-items:center; justify-content:center; z-index:999}
.modal.active{display:flex}
.modal__content{
  position:relative; background:var(--bg-1);
  border:1px solid rgba(2,6,23,.12);
  border-radius:16px; padding:24px; max-width:780px; width:calc(100% - 32px); max-height:80vh; overflow:auto;
  box-shadow:0 12px 32px rgba(0,0,0,.18); color:var(--text);
}
.modal__content h2{margin-top:0; font-size:1.4rem}
.modal__content p{color:var(--muted)}
.modal__close{
  position:absolute; top:14px; right:16px; background:#fff;
  border:1px solid rgba(2,6,23,.18); border-radius:8px; color:var(--text);
  font-size:1.1rem; line-height:1; padding:4px 8px; cursor:pointer;
}

/* Responsive generali */
:target{scroll-margin-top:84px}
.btn{min-height:44px}
.nav{flex-wrap:wrap; gap:10px}
@media (min-width:720px){.nav{flex-wrap:nowrap}}

@media (max-width:720px){
  .hamburger{display:inline-flex}
  .nav{position:relative}
  .hamburger span:nth-child(1){transform:translateY(-6px)}
  .hamburger span:nth-child(2){transform:translateY(0)}
  .hamburger span:nth-child(3){transform:translateY(6px)}
  .nav .links{
    position:absolute; right:0; top:68px; display:block !important; flex-direction:column; gap:8px;
    background:var(--bg-1); border:1px solid rgba(2,6,23,.12); padding:10px; border-radius:12px;
    box-shadow:0 16px 40px rgba(0,0,0,.12); opacity:0; visibility:hidden; pointer-events:none;
    transform:translateY(-8px) scale(.98); transition:opacity .2s, transform .2s, visibility .2s;
  }
  .nav .links.open{opacity:1; visibility:visible; pointer-events:auto; transform:translateY(0) scale(1)}
  .nav .links a.cta{display:block; border:1px solid rgba(2,6,23,.14); border-radius:10px; padding:10px 14px}
}

/* Hamburger (chiaro) */
.hamburger{
  display:none; align-items:center; justify-content:center; width:44px; height:44px;
  border:1px solid rgba(2,6,23,.14); border-radius:10px; background:transparent;
  color:var(--text); position:relative; cursor:pointer; z-index:101; transition:box-shadow .2s, transform .2s;
}
.hamburger span{
  position:absolute; left:10px; right:10px; height:2px; top:50%;
  background:currentColor; border-radius:2px; transition:transform .22s, opacity .18s; transform-origin:center;
}
.hamburger span:nth-child(1){transform:translateY(-6px)}
.hamburger span:nth-child(2){transform:translateY(0)}
.hamburger span:nth-child(3){transform:translateY(6px)}
.hamburger.active span:nth-child(1){transform:translateY(0) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0; transform:translateY(0) scaleX(.8)}
.hamburger.active span:nth-child(3){transform:translateY(0) rotate(-45deg)}

/* Sticky header (ombra leggera) */
header.is-stuck{ box-shadow:0 8px 22px rgba(2,6,23,.08) }

/* Menu mobile (breakpoint ampio) */
@media (max-width:900px){
  .hamburger{display:inline-flex}
  header .nav{position:relative; flex-wrap:nowrap; justify-content:space-between}
  header .nav .links{
    position:absolute; right:0; top:68px; display:block;
    flex-direction:column; gap:8px; background:var(--bg-1); border:1px solid rgba(2,6,23,.12);
    padding:10px; border-radius:12px; box-shadow:0 16px 40px rgba(0,0,0,.12);
    opacity:0; visibility:hidden; pointer-events:none; transform:translateY(-8px) scale(.98);
    transition:opacity .2s, transform .2s, visibility .2s;
  }
  header .nav .links.open{opacity:1; visibility:visible; pointer-events:auto; transform:translateY(0) scale(1)}
  header .nav .links a.cta{display:block; border:1px solid rgba(2,6,23,.14); border-radius:10px; padding:10px 14px}
}

/* Robustezza mobile */
html,body{overflow-x:hidden}
.section{position:relative; overflow:hidden}
.wrap{max-width:min(1100px,100%)}
img,svg,video{max-width:100%; height:auto}
@media (max-width:900px){
  header .nav .links{ max-width: calc(100vw - 24px); right:12px; }
}