:root{
  --bg:#f4f7f3;--surface:#fff;--text:#1f2937;--muted:#64748b;--primary:#217346;--primary-dark:#185c37;--primary-soft:#e7f4ec;--accent:#107c41;--border:#dfe7df;--warning:#fff8e7;--danger-soft:#fff1f2;--danger:#be123c;--shadow:0 14px 35px rgba(24,92,55,.12);--radius:18px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:var(--bg);line-height:1.65}a{color:inherit;text-decoration:none}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.topbar{background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;flex-direction:column;line-height:1.1;font-weight:900;letter-spacing:-.02em}.brand span{color:var(--primary);font-size:1.3rem}.brand small{color:var(--muted);font-size:.82rem}.nav-links{display:flex;align-items:center;gap:16px;color:var(--muted);font-size:.95rem}.nav-links a:hover{color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:11px 18px;font-weight:800;border:1px solid transparent;transition:.2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}.btn-secondary{background:#fff;border-color:var(--border);color:var(--text)}.btn-secondary:hover{border-color:#b8dec8;color:var(--primary)}.hero{padding:58px 0 42px;background:radial-gradient(circle at top left,rgba(33,115,70,.18),transparent 34%),linear-gradient(180deg,#fff 0%,var(--bg) 100%);border-bottom:1px solid var(--border)}.breadcrumb{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:.92rem;margin-bottom:20px}.breadcrumb a{color:var(--primary-dark);font-weight:800}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;background:var(--primary-soft);color:var(--primary-dark);border:1px solid #b8dec8;border-radius:999px;padding:7px 12px;font-size:.9rem;font-weight:800;margin-bottom:16px}h1{font-size:clamp(2.15rem,5vw,4.15rem);line-height:1.04;letter-spacing:-.055em;margin:0 0 18px;max-width:950px}.lead{color:var(--muted);font-size:1.16rem;max-width:790px;margin:0 0 26px}.hero-actions,.quick-links{display:flex;flex-wrap:wrap;gap:12px}.chip{background:#fff;border:1px solid var(--border);border-radius:999px;padding:8px 13px;color:var(--muted);font-weight:700}.chip:hover{background:var(--primary-soft);border-color:#b8dec8;color:var(--primary-dark)}.layout{display:grid;grid-template-columns:minmax(0,1fr)310px;gap:30px;align-items:start;padding:42px 0 62px}.article{display:grid;gap:22px}.box,.answer,.toc,.ad-box,.side-card,.course-callout,.card,.search-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 20px rgba(15,23,42,.045)}.box,.answer{padding:28px}.box h2,.answer h2{font-size:clamp(1.45rem,3vw,2rem);line-height:1.18;letter-spacing:-.04em;margin:0 0 14px}.box h3{font-size:1.18rem;letter-spacing:-.025em;margin:24px 0 8px}.box p,.answer p{margin:0 0 14px}.answer{background:var(--primary-soft);border-color:#b8dec8;box-shadow:var(--shadow)}.answer h2{color:var(--primary-dark)}ul,ol{padding-left:22px}.box li,.answer li{margin-bottom:8px}.formula{background:#10261a;color:#dff3e6;border-radius:14px;padding:15px 16px;font-family:Consolas,Monaco,monospace;overflow-x:auto;margin:14px 0;font-size:.98rem}.example-table{width:100%;border-collapse:collapse;overflow:hidden;border-radius:16px;margin:16px 0;background:#fff;border:1px solid var(--border)}.example-table th{background:var(--primary);color:#fff;text-align:left;padding:12px}.example-table td{border-top:1px solid var(--border);padding:12px}.note{background:var(--warning);border:1px solid #f4d58d;border-radius:16px;padding:16px;color:#6f4e00;margin-top:16px}.error-box{background:var(--danger-soft);border:1px solid #fecdd3;border-radius:16px;padding:16px;color:#881337;margin-top:16px}.toc{padding:20px;position:sticky;top:92px}.toc strong{display:block;margin-bottom:10px;color:var(--primary-dark)}.toc a{display:block;padding:8px 0;color:var(--muted);border-bottom:1px solid var(--border);font-size:.94rem}.toc a:last-child{border-bottom:0}.toc a:hover{color:var(--primary)}.ad-box{padding:20px;margin-top:18px;background:linear-gradient(180deg,#fff,#f7fbf8)}.ad-label{display:inline-flex;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:3px 8px;margin-bottom:8px}.ad-box h3{margin:0 0 8px;letter-spacing:-.03em}.ad-box p,.side-card p{color:var(--muted);margin:0;font-size:.95rem}.course-callout{padding:30px;display:flex;justify-content:space-between;align-items:center;gap:24px;background:linear-gradient(135deg,#185c37 0%,#0f3d27 100%);color:#fff}.course-callout p{color:#dff3e6;max-width:720px;margin:0}.course-callout h2{margin:0 0 8px;font-size:1.7rem;letter-spacing:-.04em}.course-actions{display:flex;gap:10px;flex-wrap:wrap}.course-callout .btn-secondary{background:#fff;color:var(--primary-dark)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{padding:22px;transition:.2s}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#b8dec8}.tag{color:var(--primary);font-weight:900;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em}.card h2,.card h3{margin:8px 0 8px;line-height:1.25;letter-spacing:-.03em}.card p{margin:0 0 14px;color:var(--muted)}.read-more{color:var(--primary);font-weight:900}.search-panel{padding:20px;margin:26px 0}.search-panel input{width:100%;border:1px solid var(--border);border-radius:999px;padding:14px 18px;font-size:1rem;outline:0}.search-panel input:focus{border-color:#b8dec8;box-shadow:0 0 0 4px rgba(33,115,70,.1)}.diagnosis-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.diagnosis-grid a{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:20px;font-weight:900;color:var(--primary-dark)}.diagnosis-grid a:hover{background:var(--primary-soft);border-color:#b8dec8}.footer{padding:38px 0;background:#fff;border-top:1px solid var(--border);color:var(--muted)}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px}.footer strong{display:block;color:var(--text);margin-bottom:8px}.footer a{display:block;margin:5px 0}.footer a:hover{color:var(--primary)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.mini-list{display:grid;gap:10px;margin-top:14px}.mini-list a{padding:12px 14px;border:1px solid var(--border);border-radius:14px;background:#fff;color:var(--primary-dark);font-weight:800}.mini-list a:hover{background:var(--primary-soft)}@media(max-width:940px){.layout{grid-template-columns:1fr}.toc{position:static}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.course-callout{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr}.diagnosis-grid,.two-col{grid-template-columns:1fr}}@media(max-width:680px){.nav{align-items:flex-start;flex-direction:column;padding:18px 0}.nav-links{flex-wrap:wrap}.hero{padding-top:38px}.box,.answer{padding:22px}.cards{grid-template-columns:1fr}}


/* Aggiornamenti navigazione e box cliccabili */
a.card{display:block;color:inherit;text-decoration:none}
a.card .read-more{display:inline-block;margin-top:4px}
.diagnosis-grid a small{display:block;color:#64748b;font-weight:600;line-height:1.45;margin-top:6px}