/* Foglio di stile condiviso da /guide e da tutte le guide.
   Stessi token della landing: se cambia lì, va cambiato anche qui. */
:root{
    --ground:#08090C; --surface:#12141B; --surface-2:#171A22;
    --border:rgba(255,255,255,.08); --border-hi:rgba(255,255,255,.16);
    --text:#F2F5F8; --dim:#8A93A4; --faint:#5A6273;
    --cyan:#22D3EE; --cyan-deep:#0AA5C2; --amber:#F6B23C;
    --r:14px; --maxw:1120px;
    --fd:'Sora',system-ui,sans-serif;
    --fb:'Hanken Grotesk',system-ui,sans-serif;
    --fm:'JetBrains Mono',ui-monospace,monospace;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    background:var(--ground);color:var(--text);font-family:var(--fb);
    font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  }
  a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
  .eyebrow{
    font-family:var(--fm);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
    color:var(--cyan);display:inline-flex;align-items:center;gap:8px;
  }
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);opacity:.6}
  h1,h2,h3{font-family:var(--fd);font-weight:700;line-height:1.12;text-wrap:balance;letter-spacing:-.02em}
  h1{font-size:clamp(2.1rem,4.6vw,3.3rem);font-weight:800;line-height:1.06}
  h2{font-size:clamp(1.6rem,3vw,2.15rem);margin:0 0 18px}
  h3{font-size:1.2rem;letter-spacing:-.01em;margin:0 0 10px}
  p{color:#B2BAC7;margin-bottom:18px}
  strong{color:var(--text);font-weight:600}
  .btn{
    display:inline-flex;align-items:center;gap:9px;font-family:var(--fb);font-weight:600;
    font-size:15px;padding:14px 24px;border-radius:11px;cursor:pointer;border:1px solid transparent;
    transition:transform .18s ease,box-shadow .25s ease,background .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--cyan);color:#04222A}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px -8px rgba(34,211,238,.55)}
  .btn-ghost{background:transparent;color:var(--text);border-color:var(--border-hi)}
  .btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

  header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
    background:rgba(8,9,12,.72);border-bottom:1px solid var(--border)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:68px}
  .brand{display:flex;align-items:center;gap:11px;font-family:var(--fd);font-weight:700;font-size:1.18rem;letter-spacing:-.02em}
  .mark{width:26px;height:26px;flex:none}
  .nav-links{display:flex;gap:30px;align-items:center}
  .nav-links a{color:var(--dim);font-size:15px;font-weight:500;transition:color .2s}
  .nav-links a:hover{color:var(--text)}
  .nav-cta{display:flex;gap:12px;align-items:center}
  @media(max-width:820px){.nav-links{display:none}.nav-cta .btn-ghost{display:none}}

  /* intestazione dell'articolo */
  .top{position:relative;padding:58px 0 34px;overflow:hidden}
  .glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.42;pointer-events:none;z-index:0}
  .glow.c{width:480px;height:480px;background:radial-gradient(circle,rgba(34,211,238,.4),transparent 68%);top:-200px;right:-120px}
  .top .wrap{position:relative;z-index:1}
  .crumb{font-family:var(--fm);font-size:12px;color:var(--faint);letter-spacing:.04em;margin-bottom:22px}
  .crumb a{color:var(--dim)}
  .crumb a:hover{color:var(--cyan)}
  .top h1{margin:16px 0 20px;max-width:20ch}
  .standfirst{font-size:1.15rem;color:#C3CAD6;max-width:62ch;margin-bottom:26px}
  .meta{font-family:var(--fm);font-size:12px;color:var(--faint);letter-spacing:.06em;
    display:flex;gap:18px;flex-wrap:wrap;border-top:1px solid var(--border);padding-top:20px}

  /* impianto a due colonne */
  .layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:56px;
    padding:44px 0 90px;align-items:start}
  @media(max-width:960px){.layout{grid-template-columns:1fr;gap:0}}
  article{max-width:70ch;min-width:0}
  article h2{margin-top:58px;scroll-margin-top:90px}
  article h3{margin-top:32px;scroll-margin-top:90px}
  article ul,article ol{margin:0 0 20px;padding-left:22px;color:#B2BAC7}
  article li{margin-bottom:9px}
  article li::marker{color:var(--cyan)}
  article a:not(.btn){color:var(--cyan);text-decoration:underline;text-underline-offset:3px;
    text-decoration-color:rgba(34,211,238,.4);transition:text-decoration-color .2s}
  article a:not(.btn):hover{text-decoration-color:var(--cyan)}
  code{font-family:var(--fm);font-size:.88em;background:var(--surface-2);
    border:1px solid var(--border);border-radius:6px;padding:2px 6px;color:var(--text)}

  /* indice laterale */
  .toc{position:sticky;top:96px;font-size:14px}
  @media(max-width:960px){
    .toc{position:static;margin:0 0 40px;background:var(--surface);
      border:1px solid var(--border);border-radius:var(--r);padding:22px 24px}
  }
  .toc h4{font-family:var(--fm);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
    color:var(--faint);margin-bottom:16px;font-weight:500}
  .toc a{display:block;color:var(--dim);margin-bottom:11px;line-height:1.45;
    padding-left:13px;border-left:2px solid var(--border);transition:.2s}
  .toc a:hover{color:var(--cyan);border-left-color:var(--cyan)}

  /* riquadri */
  .box{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
    padding:24px 26px;margin:30px 0}
  .box p:last-child{margin-bottom:0}
  .box h3{margin-top:0;font-size:1.05rem}
  .box.warn{border-color:rgba(246,178,60,.3);background:rgba(246,178,60,.05)}
  .box.warn .tag{color:var(--amber)}
  .box .tag{font-family:var(--fm);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
    color:var(--cyan);display:block;margin-bottom:11px}

  /* passi numerati */
  .step{display:grid;grid-template-columns:44px 1fr;gap:20px;margin:0 0 34px;align-items:start}
  .step .n{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
    font-family:var(--fd);font-weight:700;font-size:1.05rem;color:var(--cyan);
    background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.24)}
  .step h3{margin-top:0}
  .step p:last-child{margin-bottom:0}

  /* tabella */
  .tablewrap{overflow-x:auto;margin:26px 0}
  table{border-collapse:collapse;width:100%;font-size:15px;min-width:460px}
  th,td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--border)}
  th{font-family:var(--fm);font-size:11px;letter-spacing:.13em;text-transform:uppercase;
    color:var(--faint);font-weight:500}
  td{color:#B2BAC7}
  td strong{color:var(--text)}

  /* prima/dopo */
  .ba{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0}
  @media(max-width:620px){.ba{grid-template-columns:1fr}}
  .ba div{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px 20px}
  .ba .lbl{font-family:var(--fm);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
    color:var(--faint);margin-bottom:12px}
  .ba pre{font-family:var(--fm);font-size:12.5px;line-height:1.7;color:#C7CDD8;white-space:pre-wrap;word-break:break-word}
  .ba .out{border-color:rgba(34,211,238,.28)}
  .ba .out .lbl{color:var(--cyan)}

  /* fascia finale */
  .band{position:relative;background:linear-gradient(160deg,#0c1418,#0a0f13);border:1px solid var(--border);
    border-radius:24px;padding:clamp(38px,6vw,60px);text-align:center;overflow:hidden;margin:70px 0 0}
  .band h2{margin:0 0 14px}
  .band p{margin:0 auto 26px;max-width:52ch}
  .band .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}

  footer{border-top:1px solid var(--border);padding:56px 0 40px;margin-top:80px}
  .foot{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
  .foot .brand{margin-bottom:14px}
  .foot p{font-size:14px;max-width:34ch}
  .fcols{display:flex;gap:60px;flex-wrap:wrap}
  .fcol h4{font-family:var(--fm);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin-bottom:14px;font-weight:500}
  .fcol a{display:block;color:var(--dim);font-size:14.5px;margin-bottom:9px;transition:color .2s}
  .fcol a:hover{color:var(--cyan)}
  .legal{margin-top:44px;padding-top:24px;border-top:1px solid var(--border);display:flex;justify-content:space-between;
    gap:16px;flex-wrap:wrap;color:var(--faint);font-size:13px;font-family:var(--fm);letter-spacing:.02em}

  @media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

  /* ── indice guide ─────────────────────────────────────────── */

  :root{
    --ground:#08090C; --surface:#12141B; --surface-2:#171A22;
    --border:rgba(255,255,255,.08); --border-hi:rgba(255,255,255,.16);
    --text:#F2F5F8; --dim:#8A93A4; --faint:#5A6273;
    --cyan:#22D3EE; --cyan-deep:#0AA5C2; --amber:#F6B23C;
    --r:14px; --maxw:1120px;
    --fd:'Sora',system-ui,sans-serif;
    --fb:'Hanken Grotesk',system-ui,sans-serif;
    --fm:'JetBrains Mono',ui-monospace,monospace;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    background:var(--ground);color:var(--text);font-family:var(--fb);
    font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  }
  a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
  .eyebrow{
    font-family:var(--fm);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
    color:var(--cyan);display:inline-flex;align-items:center;gap:8px;
  }
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);opacity:.6}
  h1,h2,h3{font-family:var(--fd);font-weight:700;line-height:1.1;text-wrap:balance;letter-spacing:-.02em}
  h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800}
  h2{font-size:clamp(1.5rem,2.6vw,1.9rem)}
  h3{font-size:1.24rem;letter-spacing:-.01em}
  p{color:#B2BAC7}
  .btn{
    display:inline-flex;align-items:center;gap:9px;font-family:var(--fb);font-weight:600;
    font-size:15px;padding:14px 24px;border-radius:11px;cursor:pointer;border:1px solid transparent;
    transition:transform .18s ease,box-shadow .25s ease,background .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--cyan);color:#04222A}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px -8px rgba(34,211,238,.55)}
  .btn-ghost{background:transparent;color:var(--text);border-color:var(--border-hi)}
  .btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

  header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
    background:rgba(8,9,12,.72);border-bottom:1px solid var(--border)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:68px}
  .brand{display:flex;align-items:center;gap:11px;font-family:var(--fd);font-weight:700;font-size:1.18rem;letter-spacing:-.02em}
  .mark{width:26px;height:26px;flex:none}
  .nav-links{display:flex;gap:30px;align-items:center}
  .nav-links a{color:var(--dim);font-size:15px;font-weight:500;transition:color .2s}
  .nav-links a:hover,.nav-links a[aria-current]{color:var(--text)}
  .nav-cta{display:flex;gap:12px;align-items:center}
  @media(max-width:820px){.nav-links{display:none}.nav-cta .btn-ghost{display:none}}

  .top{position:relative;padding:70px 0 20px;overflow:hidden}
  .glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.42;pointer-events:none;z-index:0}
  .glow.c{width:500px;height:500px;background:radial-gradient(circle,rgba(34,211,238,.4),transparent 68%);top:-220px;right:-130px}
  .top .wrap{position:relative;z-index:1}
  .crumb{font-family:var(--fm);font-size:12px;color:var(--faint);letter-spacing:.04em;margin-bottom:22px}
  .crumb a{color:var(--dim)}
  .crumb a:hover{color:var(--cyan)}
  .top h1{margin:16px 0 20px;max-width:16ch}
  .top p{font-size:1.15rem;max-width:58ch;color:#C3CAD6}

  .elenco{padding:52px 0 90px;display:grid;gap:18px}
  /* la scheda in evidenza: la guida madre, quella da leggere per prima */
  .cardone{
    display:grid;grid-template-columns:1.35fr 1fr;gap:0;
    background:linear-gradient(150deg,var(--surface),#0d0f15);
    border:1px solid var(--border);border-radius:20px;overflow:hidden;
    transition:border-color .25s,transform .25s;
  }
  .cardone:hover{border-color:var(--border-hi);transform:translateY(-3px)}
  @media(max-width:820px){.cardone{grid-template-columns:1fr}}
  .cardone .testo{padding:clamp(28px,4vw,44px)}
  .tags{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:18px}
  .tag{font-family:var(--fm);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;
    padding:5px 11px;border-radius:999px;border:1px solid rgba(34,211,238,.26);
    background:rgba(34,211,238,.08);color:var(--cyan)}
  .tag.n{border-color:var(--border);background:var(--surface-2);color:var(--faint)}
  .cardone h2{margin-bottom:14px}
  .cardone p{font-size:16px;margin-bottom:24px;max-width:52ch}
  .leggi{display:inline-flex;align-items:center;gap:9px;color:var(--cyan);
    font-weight:600;font-size:15px}
  .cardone:hover .leggi svg{transform:translateX(4px)}
  .leggi svg{width:16px;height:16px;transition:transform .25s}
  /* colonna destra: quello che la guida copre davvero */
  .dentro{border-left:1px solid var(--border);padding:clamp(28px,4vw,44px);
    background:rgba(255,255,255,.012)}
  @media(max-width:820px){.dentro{border-left:none;border-top:1px solid var(--border)}}
  .dentro h4{font-family:var(--fm);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
    color:var(--faint);margin-bottom:18px;font-weight:500}
  .dentro ol{list-style:none;counter-reset:p}
  .dentro li{counter-increment:p;display:flex;gap:13px;align-items:baseline;
    font-size:14.5px;color:var(--dim);margin-bottom:12px;line-height:1.45}
  .dentro li::before{
    content:counter(p);font-family:var(--fm);font-size:11px;color:var(--cyan);
    flex:none;width:20px;height:20px;border-radius:6px;display:grid;place-items:center;
    background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.22);
  }
  /* prossime guide: dette come previsione, non come promessa */
  .prossime{background:var(--surface);border:1px dashed var(--border-hi);
    border-radius:var(--r);padding:30px 32px}
  .prossime h3{margin-bottom:8px;font-size:1.1rem}
  .prossime > p{font-size:15px;margin-bottom:20px;max-width:60ch}
  .prossime ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:11px}
  @media(max-width:680px){.prossime ul{grid-template-columns:1fr}}
  .prossime li{font-size:14.5px;color:var(--dim);display:flex;gap:11px;align-items:flex-start}
  .prossime li::before{content:"";width:5px;height:5px;border-radius:50%;
    background:var(--faint);flex:none;margin-top:9px}

  .band{position:relative;background:linear-gradient(160deg,#0c1418,#0a0f13);border:1px solid var(--border);
    border-radius:24px;padding:clamp(38px,6vw,60px);text-align:center;overflow:hidden;margin-top:26px}
  .band h2{margin-bottom:14px}
  .band p{margin:0 auto 26px;max-width:50ch}
  .band .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}

  footer{border-top:1px solid var(--border);padding:56px 0 40px}
  .foot{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
  .foot .brand{margin-bottom:14px}
  .foot p{font-size:14px;max-width:34ch}
  .fcols{display:flex;gap:60px;flex-wrap:wrap}
  .fcol h4{font-family:var(--fm);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin-bottom:14px;font-weight:500}
  .fcol a{display:block;color:var(--dim);font-size:14.5px;margin-bottom:9px;transition:color .2s}
  .fcol a:hover{color:var(--cyan)}
  .legal{margin-top:44px;padding-top:24px;border-top:1px solid var(--border);display:flex;justify-content:space-between;
    gap:16px;flex-wrap:wrap;color:var(--faint);font-size:13px;font-family:var(--fm);letter-spacing:.02em}

  @media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

  /* ── guide collegate, nella colonna laterale ─────────────────── */
  .toc .corr{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    color:var(--dim);line-height:1.4;padding:11px 13px;margin-bottom:9px;
    border-left:2px solid var(--border);border-radius:0 8px 8px 0;
    background:rgba(255,255,255,.02);transition:.2s;
  }
  .toc .corr:hover{color:var(--cyan);border-left-color:var(--cyan);background:rgba(34,211,238,.05)}
  .toc .corr svg{width:14px;height:14px;flex:none;opacity:.55;transition:transform .2s}
  .toc .corr:hover svg{opacity:1;transform:translateX(3px)}

  /* ── griglia delle guide non in evidenza ─────────────────────── */
  .griglia{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  @media(max-width:760px){.griglia{grid-template-columns:1fr}}
  .scheda{
    display:flex;flex-direction:column;background:var(--surface);
    border:1px solid var(--border);border-radius:var(--r);padding:26px 28px;
    transition:border-color .25s,transform .25s,background .25s;
  }
  .scheda:hover{border-color:var(--border-hi);transform:translateY(-3px);background:var(--surface-2)}
  .scheda h3{margin-bottom:10px;font-size:1.16rem;line-height:1.25}
  .scheda p{font-size:14.8px;line-height:1.6;margin-bottom:20px;flex:1}
  .scheda .leggi{font-size:14.5px}
  .scheda:hover .leggi svg{transform:translateX(4px)}