/* GM LAB · foglio di stile condiviso delle pagine di servizio
   Estratto da budget-lab-2027.html, stessa palette e stessi font. */
:root{
  --paper:#F7F5F0;
  --ink:#111827;
  --ink-soft:#374151;
  --muted:#6B7280;
  --line:#E2DED4;
  --accent:#B8934E;
  --accent-h:#9A7A3E;
  --accent-deep:#8A6A2F;
  --navy:#0E2440;
  --dark:#0E2440;
  --dark-soft:rgba(255,255,255,.72);
  --dark-line:rgba(255,255,255,.16);
  --radius:10px;
  --serif:'Gentium Book Plus',Georgia,'Times New Roman',serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --pad:clamp(1.25rem,5vw,6rem);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:clamp(1rem,.55vw + .9rem,1.15rem);
  line-height:1.6;letter-spacing:-.005em;
  overflow-x:hidden;min-height:100vh;
  display:flex;flex-direction:column;
}
::selection{background:var(--accent);color:var(--navy)}
body::after{
  content:"";position:fixed;inset:0;z-index:100;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");background-size:180px 180px;
  opacity:.05;mix-blend-mode:multiply;
}
a{color:inherit}
.wrap{max-width:1240px;margin:0 auto;width:100%;padding-left:var(--pad);padding-right:var(--pad)}
main{flex:1 0 auto}

/* tipografia */
.eyebrow{font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:1.4rem;display:block}
.eyebrow b{color:var(--accent-deep);font-weight:600}
h1,h2{font-family:var(--serif);font-weight:400;line-height:1.06;letter-spacing:-.015em}
h1{font-size:clamp(2.4rem,6vw,4.6rem)}
h2{font-size:clamp(1.5rem,2.4vw,2rem)}
.lede{font-size:clamp(1.1rem,1.4vw,1.35rem);line-height:1.5;color:var(--ink-soft);max-width:52ch}
.small{font-size:.85rem;color:var(--ink-soft)}
.meta{margin-top:1.6rem;font-size:.82rem;letter-spacing:.04em;color:var(--muted)}
.meta b{color:var(--ink);font-weight:600}

/* nav */
nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:1.1rem var(--pad);border-bottom:1px solid var(--line);
  background:rgba(247,245,240,.94);position:sticky;top:0;z-index:60;backdrop-filter:blur(12px);
}
.brand{font-size:.78rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;text-decoration:none}
.brand span{color:var(--accent-deep)}
.nav-back{font-size:.8rem;font-weight:500;text-decoration:none;color:var(--ink-soft);border-bottom:1px solid var(--line);padding-bottom:2px}
.nav-back:hover{color:var(--ink);border-color:var(--ink)}

/* bottoni */
.btn{
  display:inline-flex;align-items:center;gap:.7rem;
  background:var(--accent);color:var(--navy);text-decoration:none;
  font-weight:700;font-size:1rem;letter-spacing:-.01em;
  padding:1.05rem 2rem;border-radius:8px;border:0;cursor:pointer;
  transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .3s,background .25s,color .25s;
}
.btn:hover{background:var(--accent-h);color:#fff;box-shadow:0 14px 32px -14px rgba(184,147,78,.9)}
.btn .arw{transition:transform .25s}
.btn:hover .arw{transform:translateX(4px)}
.btn-ghost{background:transparent;color:inherit;border:1px solid currentColor}
.btn-ghost:hover{box-shadow:none;background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* liste numerate editoriali */
.steps{list-style:none;border-top:1px solid var(--line);margin-top:1.8rem}
.steps li{padding:1.1rem 0 1.1rem 2.4rem;border-bottom:1px solid var(--line);position:relative;font-size:.98rem;line-height:1.45;color:var(--ink-soft)}
.steps li b{color:var(--ink);font-weight:600}
.steps li:before{
  content:counter(s);counter-increment:s;
  position:absolute;left:0;top:1.1rem;
  font-family:var(--serif);font-size:1.05rem;color:var(--accent-deep);
}
.steps{counter-reset:s}

/* riquadro scuro */
.dark-box{
  background:var(--dark);color:var(--paper);border-radius:var(--radius);
  padding:clamp(1.8rem,3.5vw,2.8rem);
}
.dark-box p{color:var(--dark-soft);max-width:48ch}
.dark-box b{color:var(--paper);font-weight:600}
.dark-box .btn-ghost:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}

/* footer */
footer{padding:2.5rem 0 3rem;font-size:.82rem;color:var(--ink-soft);display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:4rem}
footer a{text-decoration:none;border-bottom:1px solid var(--line)}

/* reveal */
.rv{opacity:0;transform:translateY(20px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .rv{opacity:1!important;transform:none!important}
}