.bar{height:6px;border-radius:6px;background:var(--soft);overflow:hidden;margin-bottom:16px}.bar i{display:block;height:100%;width:20%;background:var(--k);border-radius:6px;transition:width .45s var(--ease)}
.step{display:none}.step.on{display:block;animation:sin .35s var(--ease)}@keyframes sin{from{opacity:0;transform:translateX(16px)}}
.qn{font-size:11.5px;font-weight:800;letter-spacing:.12em;color:var(--g2);text-transform:uppercase}.q{font-family:var(--hf);font-size:21px;letter-spacing:-.025em;line-height:1.15;margin:6px 0 14px}
.opts{display:grid;gap:9px}
.opt{display:flex;align-items:center;gap:12px;width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:16px;font-weight:700;text-align:left;background:var(--w);transition:border-color .15s,transform .2s var(--ease)}
.opt b{flex:none;width:30px;height:30px;border-radius:9px;background:var(--soft);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-family:var(--hf);color:var(--g)}
.opt:after{content:"→";margin-left:auto;color:var(--g2);font-weight:800;transition:transform .2s,color .2s}
.opt:hover{border-color:var(--k);transform:translateY(-1px)}.opt:hover:after{transform:translateX(3px);color:var(--r)}
.opt.sel{background:var(--k);border-color:var(--k);color:var(--w)}.opt.sel b{background:var(--r);color:var(--w)}
.fast svg{width:16px;height:16px}.fast .bolt{color:var(--r);display:inline-flex}.timer .tl{display:inline-flex;align-items:center;gap:6px}.timer .tl svg{width:15px;height:15px}.fast{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;margin-top:14px;padding:12px;border-radius:14px;border:1.5px dashed #cfcfcf;font-size:14px;font-weight:700;color:var(--k)}.fast:hover{border-color:var(--k)}
.f{display:block;margin-bottom:11px}.f span{display:block;font-size:13px;font-weight:700;margin-bottom:5px}.f span em{font-style:normal;font-weight:500;color:var(--g2)}
.f input{width:100%;height:54px;border:1.5px solid var(--line);border-radius:14px;padding:0 15px;font:inherit;font-size:16px;outline:none;transition:border-color .15s,box-shadow .15s}.f input:focus{border-color:var(--k);box-shadow:0 0 0 4px rgba(0,0,0,.06)}.f.bad input{border-color:var(--r)}
.ck{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--g);margin:4px 0 14px}.ck input{width:20px;height:20px;accent-color:var(--k);flex:none;margin-top:1px}.ck.bad{color:var(--r)}.ck a{text-decoration:underline}
.quiz .btn{width:100%;justify-content:space-between}.back{margin-top:12px;font-weight:700;font-size:14px;color:var(--g)}
.err{display:none;color:var(--r);font-size:13px;font-weight:700;margin-top:8px}.safe{font-size:12px;color:var(--g2);text-align:center;margin-top:12px}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}
.mproof{display:none;font-size:13px;color:var(--g);margin:-6px 0 14px}.mproof b{font-family:var(--hf);color:var(--k)}
/* nastro */
.mq{overflow:hidden;padding:30px 0 10px}.mq div{display:flex;align-items:center;width:max-content;animation:mq 34s linear infinite}
.mq span{font-family:var(--hf);font-weight:900;text-transform:uppercase;font-size:clamp(38px,6.6vw,96px);letter-spacing:-.03em;white-space:nowrap}.mq i{width:16px;height:16px;border-radius:50%;background:var(--r);margin:0 40px;flex:none}@keyframes mq{to{transform:translateX(-50%)}}
section{padding:clamp(38px,5vw,72px) 0}
.h2{font-size:clamp(36px,5.2vw,72px)}
/* carte che si impilano scorrendo */
.stack{display:grid;gap:18px;margin-top:36px}
.card{position:sticky;top:calc(84px + var(--i)*16px);display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:start;padding:clamp(22px,3vw,38px);border-radius:28px;background:var(--k);color:var(--w);box-shadow:0 -10px 40px rgba(0,0,0,.12);transform-origin:50% 0;will-change:transform}
.card:nth-child(2){background:#151515}.card:nth-child(3){background:#202020}
.card .n{width:52px;height:52px;border-radius:50%;background:var(--w);color:var(--k);display:inline-flex;align-items:center;justify-content:center;font-family:var(--hf);font-size:15px;font-weight:800}
.card h3{font-family:var(--hf);font-size:clamp(24px,3vw,38px);letter-spacing:-.03em;margin-bottom:8px}.card p{color:#b8b8b8;font-size:17px;max-width:640px}
.cta-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:34px}.cta-row small{color:var(--g2);font-size:13px}
.nums{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}.nums div{padding:30px 26px 28px;border-radius:28px;background:#fff;border:1px solid var(--line);box-shadow:0 20px 50px rgba(0,0,0,.06)}
.nums b{display:block;font-family:var(--hf);font-size:clamp(36px,4.6vw,62px);letter-spacing:-.045em;line-height:1;white-space:nowrap}.nums span{color:var(--g);font-size:14px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px;align-items:start}
.stp{background:linear-gradient(180deg,#f6f6f7,#ececef);border-radius:26px;padding:8px}.stp:nth-child(2){margin-top:40px}.stp:nth-child(3){margin-top:80px}
.stp header{display:flex;align-items:center;gap:12px;background:var(--w);border-radius:20px;padding:10px}.stp header b{width:44px;height:44px;border-radius:50%;background:var(--k);color:var(--w);display:inline-flex;align-items:center;justify-content:center;font-family:var(--hf);font-size:14px}.stp header h3{font-family:var(--hf);font-size:15px;text-transform:uppercase}
.stp p{padding:16px 14px 18px;color:var(--g);font-size:15px}
.honest{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:center;background:linear-gradient(135deg,#f7f7f8,#ececef);border-radius:34px;padding:clamp(24px,4vw,54px)}.honest p{color:var(--g);font-size:17px}.honest p b{color:var(--k)}
.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px}.faq details{border:1px solid var(--line);border-radius:18px;padding:18px 22px;margin-bottom:10px}.faq summary{font-weight:700;font-size:17px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-size:22px;line-height:1}.faq details[open] summary:after{content:"–";color:var(--r)}.faq p{color:var(--g);margin-top:10px}
.final{text-align:center;display:flex;flex-direction:column;align-items:center;gap:22px;background:var(--k);color:var(--w);border-radius:34px;padding:clamp(40px,7vw,96px) 22px;background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1.2px);background-size:18px 18px}
footer{padding:30px 0 110px}.biglogo{padding:30px 16px 40px}.biglogo img{display:block;width:min(92vw,1180px);height:auto;margin:0 auto}.fl{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--g2)}.fl a{text-decoration:underline}
/* pulsante fisso in basso a sinistra: compare quando il quiz non è sullo schermo */
.fab{position:fixed;left:18px;bottom:18px;z-index:55;transform:translateY(180%);transition:transform .45s var(--ease)}.fab.show{transform:none}