/* Studio Stefanizzi — foglio di stile condiviso per le pagine interne.
   Riprende i token della home (index.html) senza duplicarne il CSS. */

@font-face{font-family:'Bricolage Grotesque';font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/bricolage-grotesque-400.woff2) format('woff2')}
@font-face{font-family:'Bricolage Grotesque';font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/bricolage-grotesque-600.woff2) format('woff2')}
@font-face{font-family:'Bricolage Grotesque';font-style:normal;font-weight:700;font-display:swap;src:url(/assets/fonts/bricolage-grotesque-700.woff2) format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/inter-400.woff2) format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url(/assets/fonts/inter-500.woff2) format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/inter-600.woff2) format('woff2')}

:root{
  color-scheme:light;
  --paper:#F3EFE6; --paper-2:#EBE4D5; --card:#FBF8F1;
  --ink:#1E2A33; --muted:#5A6670; --faint:#949a9c;
  --green:#1F5F6B; --green-2:#D98A2B; --green-deep:#16232B;
  --line:#DDD6C8; --line-soft:#E8E2D5;
  --sans:"Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif:"Bricolage Grotesque", Georgia, serif;
  --maxw:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;padding:0;overflow-x:clip;background:var(--paper);color:var(--ink);
     font-family:var(--sans);font-size:1rem;line-height:1.65;
     -webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 30px}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:20;
     background:color-mix(in srgb,var(--paper) 86%,transparent);
     backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-weight:700;
       font-size:1.3rem;letter-spacing:-.01em}
.mk{width:34px;height:34px;flex:none}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:.92rem;font-weight:500;color:var(--muted);transition:color .2s}
.nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--sans);font-size:.95rem;
     font-weight:600;padding:11px 20px;border-radius:999px;cursor:pointer;
     transition:transform .16s,background .2s,color .2s,border-color .2s}
.btn:hover{transform:translateY(-1px)}
.btn-fill{background:var(--green);color:#fff;border:1px solid var(--green)}
.btn-out{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-lg{padding:15px 28px;font-size:1rem}

/* ---------- tipografia ---------- */
h1,h2,h3{font-family:var(--serif);font-weight:700;letter-spacing:-.02em;line-height:1.12;margin:0}
h1{font-size:clamp(2.2rem,5vw,3.6rem);max-width:18ch}
h2{font-size:clamp(1.6rem,3vw,2.3rem);max-width:24ch}
h3{font-size:1.2rem;letter-spacing:-.01em}
.lead{font-size:1.15rem;color:var(--muted);max-width:62ch}
.eyebrow{font-size:.76rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
         color:var(--green-2)}
p{margin:0 0 1em}
.muted{color:var(--muted)}
.small{font-size:.86rem}

/* ---------- layout ---------- */
section{padding:70px 0}
section.tight{padding:46px 0}
.sec-head{max-width:62ch;margin-bottom:44px;display:flex;flex-direction:column;gap:16px}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 24px}
.hero{background:linear-gradient(180deg,var(--paper-2),var(--paper));
      border-bottom:1px solid var(--line-soft);padding:64px 0 70px}
.crumb{font-size:.84rem;color:var(--faint);margin-bottom:22px}
.crumb a{color:var(--green)}

/* ---------- simulatore ---------- */
.sim{display:grid;grid-template-columns:minmax(300px,420px) 1fr;gap:30px;align-items:start}
@media(max-width:860px){.sim{grid-template-columns:1fr}}
.field{margin-bottom:20px}
.field label{display:block;font-size:.88rem;font-weight:600;margin-bottom:7px}
.field .hint{font-size:.78rem;color:var(--faint);margin-top:5px;line-height:1.45}
.field input[type=number],.field select{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink);font-family:var(--sans);font-size:1rem}
.field input[type=range]{width:100%;accent-color:var(--green)}
.rowv{display:flex;align-items:baseline;justify-content:space-between;gap:12px;
      padding:13px 0;border-bottom:1px solid var(--line-soft)}
.rowv:last-child{border-bottom:0}
.rowv .k{font-size:.92rem;color:var(--muted)}
.rowv .v{font-family:var(--serif);font-weight:700;font-size:1.35rem;white-space:nowrap}
.rowv.hi .v{color:var(--green);font-size:1.9rem}
.badge{display:inline-block;background:var(--paper-2);border:1px solid var(--line);
       border-radius:999px;padding:5px 13px;font-size:.78rem;font-weight:600;color:var(--muted)}
.disclaimer{margin-top:26px;padding:16px 18px;border-left:3px solid var(--green-2);
            background:var(--paper-2);border-radius:0 10px 10px 0;font-size:.86rem;color:var(--muted)}

/* ---------- faq ---------- */
details{border-bottom:1px solid var(--line-soft);padding:18px 0}
details summary{cursor:pointer;font-weight:600;font-size:1.03rem;list-style:none;
                display:flex;justify-content:space-between;gap:14px}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";color:var(--green);font-weight:400;font-size:1.4rem;line-height:1}
details[open] summary::after{content:"\2212"}
details p{margin:14px 0 0;color:var(--muted)}

/* ---------- cta + footer ---------- */
.cta{background:var(--green-deep);color:#EBEEE6;border-radius:20px;padding:44px 40px;
     display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px}
.cta h2{color:#fff;max-width:20ch}
.cta .btn-fill{background:var(--green-2);border-color:var(--green-2);color:#16232B}
.foot{border-top:1px solid var(--line);padding:34px 0;font-size:.84rem;color:var(--faint)}
.foot .wrap{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between}

@media(max-width:760px){
  .wrap{padding:0 20px}
  .nav .hide-s{display:none}
  .brand{font-size:1.02rem;gap:9px}
  .mk{width:28px;height:28px}
  .cta{padding:32px 24px}
}