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.author__book{background:var(--paper);border:1px solid var(--line-light);border-radius:14px;grid-template-columns:auto 1fr;align-items:center;gap:22px;max-width:480px;margin-top:32px;padding:20px 22px;text-decoration:none;transition:border-color .18s,box-shadow .18s,transform .18s;display:grid}[data-lp=loop-30-esercizi-difficili] .author__book:hover{border-color:var(--signal-line);transform:translateY(-2px);box-shadow:0 18px 44px #0a162814}[data-lp=loop-30-esercizi-difficili] .author__book:hover .arrow{transform:translate(3px)}[data-lp=loop-30-esercizi-difficili] .book-mini{aspect-ratio:627/1000;background:var(--ink);border-radius:4px;flex-shrink:0;width:92px;line-height:0;overflow:hidden;box-shadow:inset 4px 0 #00000038,0 10px 24px #00000040}[data-lp=loop-30-esercizi-difficili] .book-mini img{object-fit:cover;width:100%;height:100%;display:block}[data-lp=loop-30-esercizi-difficili] 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.18s}[data-lp=loop-30-esercizi-difficili] details:hover{border-color:var(--signal-line)}[data-lp=loop-30-esercizi-difficili] details+details{margin-top:10px}[data-lp=loop-30-esercizi-difficili] summary{cursor:pointer;color:var(--ink);letter-spacing:-.015em;justify-content:space-between;align-items:center;gap:16px;font-size:15.5px;font-weight:600;list-style:none;display:flex}[data-lp=loop-30-esercizi-difficili] summary::-webkit-details-marker{display:none}[data-lp=loop-30-esercizi-difficili] summary:after{content:"+";color:var(--signal);flex-shrink:0;font-size:22px;font-weight:400;transition:transform .18s}[data-lp=loop-30-esercizi-difficili] details[open] summary:after{transform:rotate(45deg)}[data-lp=loop-30-esercizi-difficili] details p{margin-top:12px;font-size:14.5px}[data-lp=loop-30-esercizi-difficili] .preview{background:var(--paper);border:1px solid var(--line-light);border-radius:18px;padding:30px;box-shadow:0 24px 60px #0a16280f}[data-lp=loop-30-esercizi-difficili] .preview h3{margin-top:18px}[data-lp=loop-30-esercizi-difficili] .preview-box{background:var(--bone);border:1px solid var(--line-light);border-radius:12px;margin-top:22px;padding:18px}[data-lp=loop-30-esercizi-difficili] .preview-box strong{color:var(--ink);letter-spacing:.01em;font-size:13.5px;font-weight:600;display:block}[data-lp=loop-30-esercizi-difficili] .preview-box p{margin-top:8px;font-size:14px}[data-lp=loop-30-esercizi-difficili] .cta{background:var(--ink);color:#fff;padding:clamp(80px,11vw,120px) 0;position:relative;overflow:hidden}[data-lp=loop-30-esercizi-difficili] .cta__glow{filter:blur(20px);pointer-events:none;background:radial-gradient(closest-side,#00c4b424,#0000 70%);width:600px;height:600px;position:absolute;inset:-30% -10% auto auto}[data-lp=loop-30-esercizi-difficili] .cta__inner{z-index:1;align-items:center;gap:48px;display:grid;position:relative}@media (min-width:880px){[data-lp=loop-30-esercizi-difficili] .cta__inner{grid-template-columns:1.05fr .95fr}}[data-lp=loop-30-esercizi-difficili] .cta__title{color:#fff;letter-spacing:-.04em;margin-top:20px;font-size:clamp(2rem,4.4vw,3.2rem);font-weight:800;line-height:1.05}[data-lp=loop-30-esercizi-difficili] .cta__title em{color:var(--signal);font-style:italic;font-weight:500}[data-lp=loop-30-esercizi-difficili] .cta__sub{color:var(--muted-on-dark);max-width:50ch;margin-top:20px;font-size:1.02rem;line-height:1.65}[data-lp=loop-30-esercizi-difficili] .cta__bullets{flex-direction:column;gap:12px;margin:24px 0 0;padding:0;list-style:none;display:flex}[data-lp=loop-30-esercizi-difficili] .cta__bullets li{color:var(--muted-on-dark);align-items:center;gap:12px;font-size:14.5px;display:flex}[data-lp=loop-30-esercizi-difficili] .cta__bullets svg{color:var(--signal);flex-shrink:0}[data-lp=loop-30-esercizi-difficili] .cta-card{background:var(--paper);color:var(--ink);border:1px solid #ffffff0f;border-radius:18px;flex-direction:column;gap:20px;padding:28px;display:flex;box-shadow:0 40px 100px #00000059}[data-lp=loop-30-esercizi-difficili] .cta-card__head{border-bottom:1px solid var(--line-light);justify-content:space-between;align-items:center;gap:12px;padding-bottom:16px;display:flex}[data-lp=loop-30-esercizi-difficili] .cta-card__label{font-family:var(--mono);letter-spacing:.22em;text-transform:uppercase;color:var(--signal);font-size:11px;font-weight:600}[data-lp=loop-30-esercizi-difficili] .cta-card__deal{color:var(--muted-on-light);font-size:12.5px;font-weight:500}[data-lp=loop-30-esercizi-difficili] .cta-card__title{color:var(--ink);letter-spacing:-.025em;font-size:20px;font-weight:700;line-height:1.2;display:block}[data-lp=loop-30-esercizi-difficili] .cta-card__desc{color:var(--muted-on-light);margin:0;font-size:14px;line-height:1.6}[data-lp=loop-30-esercizi-difficili] .cta-card form{flex-direction:column;gap:14px;display:flex}[data-lp=loop-30-esercizi-difficili] .form-grid{gap:14px;display:grid}@media (min-width:520px){[data-lp=loop-30-esercizi-difficili] .form-grid{grid-template-columns:1fr 1fr}}[data-lp=loop-30-esercizi-difficili] .form-field{flex-direction:column;gap:6px;min-width:0;display:flex}[data-lp=loop-30-esercizi-difficili] .form-field label{letter-spacing:.04em;text-transform:uppercase;color:var(--muted-on-light);font-size:12px;font-weight:600}[data-lp=loop-30-esercizi-difficili] .form-field input,[data-lp=loop-30-esercizi-difficili] .form-field select{border:1px solid var(--line-light);width:100%;font-family:var(--sans);color:var(--ink);background:var(--paper);border-radius:10px;outline:none;padding:12px 14px;font-size:14.5px;font-weight:500;transition:border-color .18s,box-shadow .18s}[data-lp=loop-30-esercizi-difficili] .form-field input::placeholder{color:var(--muted-on-light);opacity:.65}[data-lp=loop-30-esercizi-difficili] .form-field input:focus,[data-lp=loop-30-esercizi-difficili] .form-field select:focus{border-color:var(--signal);box-shadow:0 0 0 3px #00c4b429}[data-lp=loop-30-esercizi-difficili] .form-field input:disabled,[data-lp=loop-30-esercizi-difficili] .form-field select:disabled{opacity:.6;cursor:not-allowed}[data-lp=loop-30-esercizi-difficili] .form-field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%235C6B7A' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-position:right 14px center;background-repeat:no-repeat;padding-right:36px}[data-lp=loop-30-esercizi-difficili] .form-privacy{color:var(--muted-on-light);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:flex-start;gap:10px;font-size:12.5px;line-height:1.45;display:flex}[data-lp=loop-30-esercizi-difficili] .form-privacy input[type=checkbox]{appearance:none;border:1.5px solid var(--line-light);background:var(--paper);cursor:pointer;border-radius:4px;flex-shrink:0;width:18px;height:18px;margin-top:1px;transition:border-color .18s,background .18s;position:relative}[data-lp=loop-30-esercizi-difficili] .form-privacy input[type=checkbox]:hover{border-color:var(--signal-line)}[data-lp=loop-30-esercizi-difficili] .form-privacy input[type=checkbox]:checked{background:var(--signal);border-color:var(--signal)}[data-lp=loop-30-esercizi-difficili] .form-privacy input[type=checkbox]:checked:after{content:"✓";color:var(--ink);place-items:center;font-size:12px;font-weight:700;display:grid;position:absolute;inset:0}[data-lp=loop-30-esercizi-difficili] .form-privacy a{color:var(--signal);font-weight:600}[data-lp=loop-30-esercizi-difficili] .form-error{color:var(--coral);margin:0;font-size:13px;font-weight:500}[data-lp=loop-30-esercizi-difficili] .cta-card--success{text-align:center;align-items:center;gap:14px;padding:40px 32px}[data-lp=loop-30-esercizi-difficili] .cta-card__success-icon{background:var(--signal);width:56px;height:56px;color:var(--ink);border-radius:999px;place-items:center;margin-bottom:8px;font-size:28px;font-weight:700;display:grid;box-shadow:0 10px 30px #00c4b459}[data-lp=loop-30-esercizi-difficili] .cta-card--success .cta-card__title{font-size:22px}[data-lp=loop-30-esercizi-difficili] .cta-card--success .cta-card__desc{max-width:36ch}[data-lp=loop-30-esercizi-difficili] .problem-pairs{flex-direction:column;max-width:860px;margin:0 auto 48px;padding:0;list-style:none;display:flex}[data-lp=loop-30-esercizi-difficili] .problem-pairs li{border-top:1px solid var(--line-light);flex-direction:column;gap:8px;padding:22px 0;display:flex}[data-lp=loop-30-esercizi-difficili] .problem-pairs li:first-child{border-top:0;padding-top:4px}[data-lp=loop-30-esercizi-difficili] .problem-pairs__know{color:var(--muted-on-light);font-size:15.5px;font-weight:500;line-height:1.4}[data-lp=loop-30-esercizi-difficili] .problem-pairs__sep{color:var(--signal);font-size:22px;font-weight:500;line-height:1}[data-lp=loop-30-esercizi-difficili] .problem-pairs__skill{color:var(--ink);letter-spacing:-.01em;font-size:17px;font-weight:600;line-height:1.4}@media (min-width:760px){[data-lp=loop-30-esercizi-difficili] .problem-pairs li{flex-direction:row;align-items:center;gap:24px}[data-lp=loop-30-esercizi-difficili] .problem-pairs__know{text-align:right;flex:0 0 38%}[data-lp=loop-30-esercizi-difficili] .problem-pairs__sep{flex-shrink:0}[data-lp=loop-30-esercizi-difficili] .problem-pairs__skill{flex:1}}[data-lp=loop-30-esercizi-difficili] .risks{gap:18px;display:grid}@media (min-width:760px){[data-lp=loop-30-esercizi-difficili] .risks{grid-template-columns:repeat(3,1fr)}}[data-lp=loop-30-esercizi-difficili] .risk{background:var(--paper);border:1px solid var(--line-light);border-radius:16px;flex-direction:column;gap:14px;padding:28px 28px 30px;transition:border-color .22s,box-shadow .22s,transform .22s;display:flex;position:relative}[data-lp=loop-30-esercizi-difficili] .risk:hover{border-color:#ff6b4752;transform:translateY(-2px);box-shadow:0 18px 44px #ff6b471a}[data-lp=loop-30-esercizi-difficili] .risk__source{letter-spacing:.05em;color:var(--muted-on-light);background:var(--bone);border:1px solid var(--line-light);border-radius:4px;padding:3px 7px;font-size:10.5px;font-weight:500;position:absolute;top:20px;right:22px}[data-lp=loop-30-esercizi-difficili] .risk__decision{letter-spacing:.14em;text-transform:uppercase;color:var(--muted-on-light);max-width:80%;font-size:12px;font-weight:600;display:block}[data-lp=loop-30-esercizi-difficili] .risk__amount{flex-wrap:wrap;align-items:baseline;gap:10px;display:flex}[data-lp=loop-30-esercizi-difficili] .risk__cost{color:var(--coral);letter-spacing:-.045em;white-space:nowrap;flex-shrink:0;font-size:clamp(32px,3.6vw,44px);font-weight:600;line-height:1}[data-lp=loop-30-esercizi-difficili] .risk__period{color:var(--muted-on-light);font-size:13px;font-weight:500}[data-lp=loop-30-esercizi-difficili] .risk__detail{color:var(--ink);margin:0;font-size:14px;line-height:1.55}[data-lp=loop-30-esercizi-difficili] .sticky-cta{z-index:70;pointer-events:none;position:fixed;bottom:12px;left:12px;right:12px}[data-lp=loop-30-esercizi-difficili] .sticky-cta .btn{pointer-events:auto;width:100%}@media (min-width:760px){[data-lp=loop-30-esercizi-difficili] .sticky-cta{display:none}}[data-lp=loop-30-esercizi-difficili] .lp-footer{background:var(--ink-2);color:var(--muted-on-dark);border-top:1px solid var(--line-dark);padding:28px 0;font-size:13px}[data-lp=loop-30-esercizi-difficili] .lp-footer a{color:var(--signal);font-weight:500}[data-lp=loop-30-esercizi-difficili] .mono{font-family:var(--mono);font-feature-settings:"calt","ss02";letter-spacing:-.005em}[data-lp=loop-30-esercizi-difficili] .exercise{background:var(--paper);border:1px solid var(--line-light);border-radius:18px;max-width:880px;margin:0 auto;padding:clamp(28px,4vw,44px);box-shadow:0 24px 60px #0a16280f}[data-lp=loop-30-esercizi-difficili] .exercise__head{border-bottom:1px solid var(--line-light);align-items:center;gap:14px;margin-bottom:22px;padding-bottom:18px;display:flex}[data-lp=loop-30-esercizi-difficili] .exercise__code{font-family:var(--mono);letter-spacing:.05em;color:var(--signal);background:var(--signal-soft);border:1px solid var(--signal-line);border-radius:6px;padding:5px 10px;font-size:12.5px;font-weight:600}[data-lp=loop-30-esercizi-difficili] .exercise__tag{letter-spacing:.16em;text-transform:uppercase;color:var(--amber);background:#ffb5471a;border:1px solid #ffb5474d;border-radius:999px;padding:4px 10px;font-size:11px;font-weight:600}[data-lp=loop-30-esercizi-difficili] .exercise__scenario{color:var(--ink);letter-spacing:-.015em;font-size:17px;font-weight:500;line-height:1.55}[data-lp=loop-30-esercizi-difficili] .exercise__scenario strong{font-family:var(--mono);color:var(--ink);font-weight:600}[data-lp=loop-30-esercizi-difficili] .exercise__data{border:1px solid var(--line-light);background:var(--bone);border-radius:12px;margin-top:22px;overflow:hidden}[data-lp=loop-30-esercizi-difficili] .exercise__data-row{border-bottom:1px solid var(--line-light);justify-content:space-between;align-items:center;gap:16px;padding:12px 18px;display:flex}[data-lp=loop-30-esercizi-difficili] .exercise__data-row:last-child{border-bottom:0}[data-lp=loop-30-esercizi-difficili] .exercise__data-label{color:var(--muted-on-light);font-size:14px;font-weight:500}[data-lp=loop-30-esercizi-difficili] .exercise__data-value{color:var(--ink);font-size:15px;font-weight:600}[data-lp=loop-30-esercizi-difficili] .exercise__warn{color:var(--ink);background:#ffb5471a;border:1px solid #ffb5474d;border-radius:10px;gap:12px;margin-top:22px;padding:14px 18px;font-size:14px;line-height:1.55;display:flex}[data-lp=loop-30-esercizi-difficili] .exercise__warn-icon{color:var(--amber);flex-shrink:0;font-size:16px}[data-lp=loop-30-esercizi-difficili] .exercise__calc{margin-top:26px}[data-lp=loop-30-esercizi-difficili] .exercise__calc-title{font-family:var(--mono);letter-spacing:.05em;color:var(--paper);background:var(--ink);border-radius:6px;padding:5px 12px;font-size:12.5px;font-weight:600;display:inline-block}[data-lp=loop-30-esercizi-difficili] .exercise__calc-list{counter-reset:calc;flex-direction:column;gap:8px;margin:14px 0 0;padding:0;list-style:none;display:flex}[data-lp=loop-30-esercizi-difficili] .exercise__calc-list li{color:var(--ink);counter-increment:calc;padding-left:36px;font-size:14.5px;line-height:1.55;position:relative}[data-lp=loop-30-esercizi-difficili] .exercise__calc-list li:before{content:counter(calc,decimal-leading-zero);font-family:var(--mono);color:var(--signal);letter-spacing:.06em;background:var(--signal-soft);border-radius:4px;padding:2px 6px;font-size:11px;font-weight:500;position:absolute;top:1px;left:0}[data-lp=loop-30-esercizi-difficili] .exercise__solution{border-top:1px dashed var(--line-light);background:0 0;border:0;border-radius:0;margin-top:28px;padding-top:22px}[data-lp=loop-30-esercizi-difficili] .exercise__solution summary{font-family:var(--sans);color:var(--signal);letter-spacing:-.005em;border:1px dashed var(--signal-line);background:var(--paper);cursor:pointer;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:12px 18px;font-size:14.5px;font-weight:600;list-style:none;transition:background .18s,border-color .18s;display:flex}[data-lp=loop-30-esercizi-difficili] .exercise__solution summary:hover{background:var(--signal-soft);border-color:var(--signal)}[data-lp=loop-30-esercizi-difficili] .exercise__solution summary::-webkit-details-marker{display:none}[data-lp=loop-30-esercizi-difficili] .exercise__solution summary:after{content:"↓";color:var(--signal);font-size:18px;transition:transform .18s}[data-lp=loop-30-esercizi-difficili] .exercise__solution[open] summary:after{transform:rotate(180deg)}[data-lp=loop-30-esercizi-difficili] .exercise__solution-hint{color:var(--muted-on-light);font-size:12px;font-weight:500}[data-lp=loop-30-esercizi-difficili] .exercise__solution-body{background:var(--bone);border:1px solid var(--line-light);border-radius:12px;margin-top:16px;padding:22px}[data-lp=loop-30-esercizi-difficili] .exercise__solution-body p{color:var(--ink);font-size:14.5px;line-height:1.65}[data-lp=loop-30-esercizi-difficili] .exercise__solution-body p+p{margin-top:12px}[data-lp=loop-30-esercizi-difficili] .exercise__solution-calc{background:var(--paper);border:1px solid var(--line-light);color:var(--ink);border-radius:8px;flex-direction:column;gap:6px;margin:12px 0;padding:14px 18px;font-size:13.5px;list-style:none;display:flex}[data-lp=loop-30-esercizi-difficili] .exercise__solution-takeaway{border-top:1px dashed var(--line-light);color:var(--muted-on-light);margin-top:14px;padding-top:14px;font-size:14px;font-style:italic}[data-lp=loop-30-esercizi-difficili] .section.dark .lede strong{color:#fff;font-weight:600}[data-lp=loop-30-esercizi-difficili] .loop-stats{gap:14px;margin-top:44px;display:grid}@media (min-width:760px){[data-lp=loop-30-esercizi-difficili] .loop-stats{grid-template-columns:repeat(3,1fr)}}[data-lp=loop-30-esercizi-difficili] .loop-stat{background:var(--ink-2);border:1px solid var(--ink-3);border-radius:14px;padding:26px 28px;transition:border-color .18s,transform .18s}[data-lp=loop-30-esercizi-difficili] .loop-stat:hover{border-color:var(--signal-line);transform:translateY(-2px)}[data-lp=loop-30-esercizi-difficili] .loop-stat-num{color:var(--signal);letter-spacing:-.045em;font-size:clamp(32px,4vw,44px);font-weight:500;line-height:1}[data-lp=loop-30-esercizi-difficili] .loop-stat-label{color:var(--muted-on-dark);letter-spacing:.005em;margin-top:12px;font-size:13.5px;line-height:1.4}[data-lp=loop-30-esercizi-difficili] .loop-partners{background:var(--ink-2);border:1px solid var(--ink-3);border-radius:14px;flex-wrap:wrap;align-items:center;gap:14px 22px;margin-top:28px;padding:20px 24px;display:flex}[data-lp=loop-30-esercizi-difficili] .loop-partners-label{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--signal);flex-shrink:0;font-size:11px;font-weight:500}[data-lp=loop-30-esercizi-difficili] .loop-partners-list{flex-wrap:wrap;gap:8px 18px;margin:0;padding:0;list-style:none;display:flex}[data-lp=loop-30-esercizi-difficili] .loop-partners-list li{color:#ffffffd1;letter-spacing:.005em;align-items:center;font-size:13px;font-weight:500;display:inline-flex}[data-lp=loop-30-esercizi-difficili] .loop-partners-list li:before{content:"✓";color:var(--signal);margin-right:8px;font-size:14px;font-weight:600}[data-lp=loop-30-esercizi-difficili] .exercises-index{gap:18px;display:grid}@media (min-width:760px){[data-lp=loop-30-esercizi-difficili] .exercises-index{grid-template-columns:repeat(2,1fr)}}@media (min-width:1080px){[data-lp=loop-30-esercizi-difficili] .exercises-index{grid-template-columns:repeat(3,1fr)}}[data-lp=loop-30-esercizi-difficili] .ex-area{background:var(--paper);border:1px solid var(--line-light);border-radius:16px;padding:24px 24px 20px;transition:border-color .18s,box-shadow .18s,transform .18s}[data-lp=loop-30-esercizi-difficili] .ex-area:hover{border-color:var(--signal-line);transform:translateY(-2px);box-shadow:0 18px 44px #0a162812}[data-lp=loop-30-esercizi-difficili] .ex-area__head{border-bottom:1px solid var(--line-light);justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px;padding-bottom:14px;display:flex}[data-lp=loop-30-esercizi-difficili] .ex-area__title{color:var(--ink);letter-spacing:-.015em;margin:0;font-size:17px;font-weight:600}[data-lp=loop-30-esercizi-difficili] .ex-area__count{letter-spacing:.14em;color:var(--signal);flex-shrink:0;font-size:10.5px;font-weight:500}[data-lp=loop-30-esercizi-difficili] .ex-area__list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}[data-lp=loop-30-esercizi-difficili] .ex-area__row{align-items:baseline;gap:12px;padding:4px 0;display:flex}[data-lp=loop-30-esercizi-difficili] .ex-area__num{letter-spacing:.04em;color:var(--muted-on-light);flex-shrink:0;width:44px;font-size:11.5px;font-weight:500}[data-lp=loop-30-esercizi-difficili] .ex-area__name{color:var(--ink);font-size:14px;font-weight:500;line-height:1.45}[data-lp=loop-30-esercizi-difficili] .reveal{opacity:0;transition:opacity .6s,transform .6s;transform:translateY(18px)}[data-lp=loop-30-esercizi-difficili] .reveal.is-visible{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){[data-lp=loop-30-esercizi-difficili] .reveal{opacity:1;transition:none;transform:none}}