/* ColdAisle Lab - stile condiviso. Nessuna risorsa esterna. */
@font-face{font-family:"Montserrat";font-weight:500;font-style:normal;font-display:swap;src:url("../fonts/Montserrat-Medium.woff2") format("woff2")}
@font-face{font-family:"Montserrat";font-weight:600;font-style:normal;font-display:swap;src:url("../fonts/Montserrat-SemiBold.woff2") format("woff2")}

:root{
  --bg:#0B0B0D;
  --fg:#FFFFFF;
  --accent:#FF9D3D;
  --muted:#8A9BA8;
  --line:rgba(230,232,235,.16);
  --panel:rgba(230,232,235,.04);
  --font-head:"Montserrat","Helvetica Neue",Arial,sans-serif;
  --font-body:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:4.5rem}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font-body);line-height:1.65;-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:var(--fg);text-underline-offset:.2em}
a:hover{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:#0B0B0D;padding:.6rem 1rem;z-index:20;font-weight:600}
.skip:focus{left:0}

h1,h2,h3{font-family:var(--font-head);font-weight:600;text-transform:uppercase;letter-spacing:.2em;line-height:1.3;margin:0 0 1rem}
h2{font-size:1.25rem}
h3{font-size:.95rem}
.lab{color:var(--accent);letter-spacing:.4em;font-weight:500}

/* header */
.site-header{position:absolute;top:0;left:0;right:0;z-index:10;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem 1.5rem;padding:1rem 1.25rem}
.wordmark{font-family:var(--font-head);font-weight:600;letter-spacing:.2em;font-size:.9rem;text-decoration:none;text-transform:uppercase;white-space:nowrap}
.wordmark:hover{color:var(--fg)}
.site-header nav ul{display:flex;flex-wrap:wrap;gap:.25rem 1.25rem;list-style:none;margin:0;padding:0}
.site-header nav a{font-family:var(--font-head);font-weight:500;font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;text-decoration:none;color:var(--muted);padding:.4rem 0;display:inline-block}
.site-header nav a:hover{color:var(--accent)}
.page .site-header{position:static;border-bottom:1px solid var(--line)}

/* hero */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;justify-content:center;text-align:center;padding:6rem 1.25rem 3rem;isolation:isolate;background:radial-gradient(ellipse 60% 50% at 50% 42%,rgba(255,157,61,.07),transparent 70%),radial-gradient(ellipse at 50% 40%,#1a1b20 0%,#0B0B0D 72%)}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:repeating-linear-gradient(90deg,rgba(230,232,235,.035) 0,rgba(230,232,235,.035) 1px,transparent 1px,transparent 5.5rem);-webkit-mask-image:radial-gradient(ellipse at 50% 45%,#000 0%,transparent 75%);mask-image:radial-gradient(ellipse at 50% 45%,#000 0%,transparent 75%)}
.hero-inner{max-width:44rem}
.hero h1{margin:0 auto 1.5rem;width:min(100%,20rem)}
.hero h1 img{width:100%}
.tagline{font-size:clamp(1.05rem,2.6vw,1.35rem);margin:0 auto 2rem;max-width:34rem}
.cta{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}
.btn{display:inline-block;font-family:var(--font-head);font-weight:600;font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;text-decoration:none;padding:.9rem 1.5rem;border:1px solid var(--line);color:var(--fg);background:rgba(11,11,13,.5)}
.btn:hover{border-color:var(--accent);color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#0B0B0D}
.btn.primary:hover{background:var(--fg);border-color:var(--fg);color:#0B0B0D}

/* sezioni */
main section{padding:4rem 1.25rem;border-top:1px solid var(--line)}
.wrap{max-width:62rem;margin:0 auto}
.lead{color:var(--muted);max-width:42rem;margin:0 0 2rem}
.grid{display:grid;gap:1rem;grid-template-columns:1fr}
.card{border:1px solid var(--line);background:var(--panel);padding:1.5rem}
.card h3{color:var(--fg)}
.card p{margin:0;color:var(--muted)}
.card .tag{display:inline-block;margin-top:1rem;font-family:var(--font-head);font-weight:500;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
.checks{list-style:none;padding:0;margin:0 0 2rem;display:grid;gap:.6rem}
.checks li{padding-left:1.5rem;position:relative}
.checks li::before{content:"";position:absolute;left:0;top:.7em;width:.7rem;height:2px;background:var(--accent)}
.disclaimer{border:1px solid var(--accent);border-left-width:6px;background:rgba(255,157,61,.08);padding:1.25rem 1.5rem;font-weight:600;margin:2rem 0 0}

/* social */
.social{list-style:none;display:flex;flex-wrap:wrap;gap:1rem;padding:0;margin:0}
.social a{display:inline-flex;align-items:center;gap:.6rem;padding:.7rem 1rem;border:1px solid var(--line);text-decoration:none;font-size:.9rem}
.social a:hover{border-color:var(--accent)}
.social svg{width:1.4rem;height:1.4rem;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.social svg .f{fill:currentColor;stroke:none}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:2rem 1.25rem;color:var(--muted);font-size:.85rem}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;justify-content:space-between}
.site-footer ul{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;margin:0;padding:0}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--accent)}

/* pagine legali: testo lasciato invariato, solo stile */
.legal{max-width:46rem;margin:0 auto;padding:2.5rem 1.25rem 3rem}
.legal h1{font-size:1.5rem}
.legal h2{font-size:1.05rem;margin-top:2rem}
.legal a{color:var(--accent)}
.legal a:hover{color:var(--fg)}

@media (min-width:48rem){
  .site-header{padding:1.5rem 2.5rem}
  .grid.three{grid-template-columns:repeat(3,1fr)}
  main section{padding:5.5rem 2.5rem}
  h2{font-size:1.5rem}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}