/* Carattere: Outfit (licenza libera OFL), incluso nel sito, cartella fonts */
@font-face{font-family:"Outfit";src:url("fonts/outfit.woff") format("woff");font-weight:100 900;font-display:swap}
/* LUUUZ — foglio di stile
   Colori: modificali qui e si aggiornano in tutto il sito. */
:root{
  --ink:#1d1d1f;      /* nero del logo: testi, pulsanti, riquadri */
  --gray:#6e6e73;     /* testi secondari */
  --line:#d2d2d7;     /* linee sottili */
  --paper:#fff;       /* fondo */
  --tint:#f5f5f7;     /* fondo delle sezioni grigie */
  --pad:max(40px,calc((100% - 1080px)/2));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:20px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'Outfit',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--ink);outline-offset:4px}

/* Testata */
header{max-width:1160px;margin:auto;padding:25px 40px;display:flex;align-items:center;justify-content:space-between}
.brand{display:block;color:var(--ink)}
.brand svg{display:block;height:24px;width:auto}
nav{display:flex;gap:24px;font-size:13px;color:#424245}
nav a:hover{color:var(--ink)}

/* Pulsanti: neri e squadrati come il logo */
.button{display:inline-block;background:var(--ink);color:#fff;font:inherit;font-size:14px;font-weight:500;padding:13px 22px;border:0;border-radius:0;cursor:pointer;text-align:left}
.button:hover{background:#000}
.button.small{font-size:13px;padding:10px 16px}
.under{font-size:14px;padding:8px 0;color:#424245;border-bottom:1px solid transparent}
.under:hover{border-bottom-color:currentColor}
.actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap}

/* Apertura */
.hero{padding:110px 40px 80px;text-align:center;max-width:1150px;margin:auto}
.hero .label{font-size:15px;font-weight:500;color:var(--gray);margin:0}
.hero h1{font-size:clamp(48px,6.4vw,86px);font-weight:800;line-height:1.02;letter-spacing:-.03em;margin:26px 0 32px}
.hero-quote{max-width:620px;margin:0 auto 44px}
.hero-quote blockquote{margin:0}
.hero-quote p{font-size:22px;line-height:1.45;font-weight:500;letter-spacing:-.2px;margin:0}
.hero-quote figcaption{margin-top:14px;font-size:14px;color:var(--gray)}
.hero .actions{justify-content:center}
.question-band{max-width:1020px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:45px;padding:20px 35px 90px;text-align:center}
.question-band p{font-size:16px;line-height:1.5;margin:0;color:var(--gray)}

/* Sezioni: tutto segue la stessa griglia,
   testo piccolo a sinistra (1 parte) e contenuto a destra (2 parti) */
.section{padding:100px var(--pad)}
.tint{background:var(--tint)}
.row{display:grid;grid-template-columns:1fr 2fr;gap:80px;padding:34px 0;border-top:1px solid var(--line)}
.row.head{border-top:0;padding:0 0 50px}
.label{font-size:15px;font-weight:600;color:var(--gray);margin:0;line-height:1.4}
.label span{display:block;font-weight:400;margin-top:4px}
.label b{display:block;font-size:44px;line-height:1;font-weight:800;letter-spacing:-.03em;color:var(--ink);margin-bottom:8px}
h2{font-weight:800;font-size:clamp(34px,3.9vw,52px);letter-spacing:-.025em;line-height:1.05;margin:0 0 28px}
h3{font-size:24px;line-height:1.15;font-weight:800;letter-spacing:-.015em;margin:0 0 12px}
.body{font-size:18px;line-height:1.65;color:var(--gray);margin:0}
.body p{margin:0 0 1em}
.body p:last-child{margin-bottom:0}
.body strong{color:var(--ink);font-weight:500}
.text{font-size:16px;line-height:1.7;color:var(--gray);margin:0 0 20px;max-width:620px}
.row .text:last-child{margin-bottom:0}
.row.head .button{margin-top:30px}

/* Casi espandibili */
.case summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:1fr 32px;gap:24px;align-items:start}
.case summary::-webkit-details-marker{display:none}
.case summary h3{margin:0}
.plus{width:32px;height:32px;background:var(--ink);position:relative}
.plus::before,.plus::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;background:#fff;transform:translate(-50%,-50%);transition:transform .2s}
.plus::after{transform:translate(-50%,-50%) rotate(90deg)}
.case[open] .plus::before{transform:translate(-50%,-50%) rotate(45deg)}.case[open] .plus::after{transform:translate(-50%,-50%) rotate(135deg)}
.case-content{display:grid;grid-template-columns:1fr 1fr;gap:26px 40px;margin-top:30px}
.case-content h4{font-size:15px;font-weight:600;margin:0 0 8px}
.case-content p{font-size:15px;line-height:1.7;color:var(--gray);margin:0}
.case-content .note{grid-column:1/-1;font-size:12px}

/* Calcolatori */
.calculator{margin-top:24px;display:grid;grid-template-columns:1fr 1fr;background:var(--tint)}
.inputs{padding:30px}
.field{margin-bottom:20px}
.field label{display:block;font-size:13px;margin-bottom:8px;line-height:1.4}
.field input{width:100%;border:1px solid #c8c8cd;background:#fff;padding:12px 14px;font:inherit;font-size:20px;border-radius:0;color:var(--ink)}
.field input:focus{outline:2px solid var(--ink);outline-offset:0;border-color:var(--ink)}
.field small{display:block;font-size:11px;line-height:1.6;color:var(--gray);margin-top:6px}
.result{padding:30px;background:#ededf0}
.result-label{font-size:13px;font-weight:600;color:var(--gray);margin:0}
.big{font-size:48px;font-weight:800;letter-spacing:-.03em;margin:18px 0 12px}
.result p{font-size:13px;line-height:1.7;color:#515155}
.result-line{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-top:1px solid var(--line);font-size:12px;align-items:center}
.result-line strong{font-size:16px;font-weight:600;white-space:nowrap}
.formula{font-size:11px;color:var(--gray);line-height:1.7;margin:16px 0 0}
.error{color:#a01924;font-size:12px;margin:0 0 12px}
.error:empty{display:none}

/* Articoli */
.logo-box{background:var(--ink);color:#fff;padding:34px 30px;margin-top:22px;max-width:300px}
.logo-box svg{display:block;width:100%;height:auto}
.article-list{list-style:none;padding:0;margin:30px 0;border-bottom:1px solid var(--line)}
.article-list li{border-top:1px solid var(--line)}
.article-list a{display:flex;gap:24px;align-items:baseline;padding:16px 0}
.article-list a:hover .t{text-decoration:underline}
.article-list .date{flex:none;width:110px;font-size:13px;color:var(--gray)}
.article-list .t{font-size:17px;font-weight:500;line-height:1.4}
.article-list .empty{padding:16px 0;font-size:15px;color:var(--gray)}


/* Il progetto */
.u-row .label{color:var(--gray);font-weight:400;font-size:14px}
.u-summary{font-size:clamp(22px,2.4vw,28px);line-height:1.3;font-weight:800;letter-spacing:-.015em;margin:0}
.u-summary span{color:var(--gray);font-weight:500}
.row .actions{margin-top:18px}

footer{max-width:1160px;margin:auto;display:flex;justify-content:space-between;gap:20px;padding:25px 40px;font-size:11px;color:var(--gray)}

/* Telefono */
@media(max-width:760px){
  header{padding:22px 24px}
  .brand svg{height:21px}
  nav{gap:14px;font-size:12px}
  .hero{padding:70px 24px 40px}
  .hero .label{font-size:12px;line-height:1.5}
  .hero h1{font-size:44px;margin:22px 0 26px}
  .hero-quote{margin-bottom:34px}
  .hero-quote p{font-size:19px}
  .question-band{grid-template-columns:1fr;gap:16px;padding:10px 30px 60px}
  .question-band p{font-size:14px}
  .section{padding:65px 24px}
  .row{grid-template-columns:1fr;gap:12px;padding:28px 0}
  .row.head{padding-bottom:36px;gap:18px}
  h2{font-size:34px}
  .body{font-size:17px}
  h3{font-size:21px}
  .label b{font-size:34px}
  .case-content{grid-template-columns:1fr;gap:20px}
  .calculator{grid-template-columns:1fr}
  .inputs,.result{padding:22px}
  .big{font-size:40px}
  .logo-box{max-width:220px;padding:26px 24px}
  .article-list a{flex-direction:column;gap:4px}
  footer{padding:24px;flex-direction:column;gap:8px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.plus::before,.plus::after{transition:none}}
.case-label{}
#strumenti .row .label span{color:var(--ink);font-size:18px;line-height:1.35;font-weight:600;letter-spacing:-.01em;margin-top:8px;max-width:280px}

/* Strumento 3: test */
.quiz{margin-top:24px;background:var(--tint);padding:10px 30px 30px}
.q{border:0;border-bottom:1px solid var(--line);margin:0;padding:22px 0}
.q legend{float:left;width:100%;padding:0;font-size:16px;line-height:1.5;margin-bottom:14px;display:flex;gap:14px}
.qn{flex:none;width:26px;height:26px;background:var(--ink);color:#fff;font-size:13px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:-1px}
.choices{clear:both;display:flex;gap:8px;padding-left:40px}
.choices label{cursor:pointer}
.choices input{position:absolute;opacity:0;pointer-events:none}
.choices span{display:inline-block;min-width:78px;text-align:center;padding:9px 14px;font-size:14px;font-weight:500;background:#fff;border:1px solid #c8c8cd}
.choices label:hover span{border-color:var(--ink)}
.choices input:checked+span{background:var(--ink);border-color:var(--ink);color:#fff}
.choices input:focus-visible+span{outline:3px solid var(--ink);outline-offset:3px}
.q.missing legend{color:#a01924}
.q.missing .choices span{border-color:#a01924}
.quiz .actions{margin-top:26px}
.quiz .error{margin:18px 0 0}
.quiz-result{margin-top:0;background:#ededf0;padding:30px}
.quiz-result .result-label{margin-bottom:10px}
.quiz-head{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.1;margin:0 0 16px}
.quiz-bars{margin:20px 0 28px;border-bottom:1px solid var(--line)}
.quiz-list{list-style:none;padding:0;margin:0}
.quiz-list li{font-size:14px;line-height:1.55;color:#424245;padding:10px 0;border-top:1px solid var(--line);display:flex;gap:14px}
.quiz-list b{flex:none;width:52px;font-size:12px;color:var(--ink)}
@media(max-width:760px){
  .quiz{padding:4px 20px 22px}
  .choices{padding-left:0}
  .choices span{min-width:0;padding:9px 16px}
  .quiz-result{padding:22px}
  .quiz-head{font-size:25px}
}
button.under{background:none;border:0;border-bottom:1px solid currentColor;font:inherit;font-size:14px;color:#424245;cursor:pointer;padding:6px 0}
/* Test: una domanda alla volta */
.quiz.stepper{padding-top:26px}
.quiz-top{display:flex;align-items:center;gap:18px;font-size:13px;color:var(--gray)}
.quiz-top span{flex:none}
.quiz-progress{flex:1;height:4px;background:#dcdce1}
.quiz-progress i{display:block;height:100%;width:0;background:var(--ink);transition:width .25s}
.stepper .q{border-bottom:0;padding:28px 0 6px;min-height:150px}
.stepper .q legend{font-size:19px;line-height:1.45;font-weight:600}
.quiz-nav{display:none}
.stepper .quiz-nav{display:flex;justify-content:space-between;align-items:center;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.button:disabled{background:#b8b8bd;cursor:default}
.quiz-result .actions{margin-top:26px}
@media(max-width:760px){.stepper .q legend{font-size:17px}.stepper .q{min-height:0}}
@media(prefers-reduced-motion:reduce){.quiz-progress i{transition:none}}
.stepper .qn{display:none}
.aside-quote{margin:30px 0 0;padding-left:20px;border-left:3px solid var(--ink)}
.aside-quote blockquote{margin:0}
.aside-quote p{margin:0;font-size:19px;line-height:1.45;font-weight:600;letter-spacing:-.01em}
.aside-quote figcaption{margin-top:8px;font-size:13px;color:var(--gray)}
#articoli .row.head .button{margin-top:32px}
header{gap:20px}@media(max-width:760px){nav{gap:12px;font-size:11.5px}}
blockquote.aside-quote{margin:22px 0 24px}
blockquote.aside-quote p{font-size:22px}
footer .signature{color:var(--ink);font-weight:600}
.note-human{font-size:14px;line-height:1.6;color:#424245;margin:18px 0 0;max-width:620px}
.note-human+.formula{margin-top:6px}
.body p.small{font-size:13px;margin-top:18px}
.nb{white-space:nowrap}
/* Apertura: la citazione è il titolo */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.hero .hero-quote{max-width:1000px;margin:30px auto 40px}
.hero .hero-quote p{font-size:clamp(36px,4.9vw,66px);font-weight:800;line-height:1.08;letter-spacing:-.03em;text-wrap:balance}
.hero .hero-quote figcaption{margin-top:22px;font-size:15px}
@media(max-width:760px){.hero .hero-quote p{font-size:34px}.hero .hero-quote figcaption{font-size:13px}}
.link-inline{text-decoration:underline;text-underline-offset:3px}
.legal{padding-top:60px}
footer .link-inline{color:inherit}
.hero .hero-quote h1{font-size:clamp(38px,5.2vw,66px);font-weight:800;line-height:1.06;letter-spacing:-.03em;margin:0;text-wrap:balance}
.hero .hero-quote figcaption{max-width:640px;margin:22px auto 0;line-height:1.5}
@media(max-width:760px){.hero .hero-quote h1{font-size:36px}}
.hero .hero-quote figcaption{max-width:760px}
.hero .hero-quote h1{text-wrap:wrap}