/* Configuratore rimappatura FA Motorsport: tema scuro unico, rosso brand */
:root{
  --bg:#0b0b0c;--panel:#141416;--panel2:#1b1b1e;--line:#2a2a2f;
  --fg:#f2f2ef;--soft:#cfcfd2;--muted:#9d9da4;--red:#e8001d;--red-d:#b30016;--ok:#3ecf7a;
  --f-disp:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --f-body:"Inter",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:16px;line-height:1.6}
img{max-width:100%;height:auto}
a{color:inherit}
[hidden]{display:none!important}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}

/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(8,8,9,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:20px;padding-block:8px}
.logo{display:flex;align-items:center;flex:none}
.logo img{height:44px;width:auto;display:block}
.nav{display:flex;gap:18px;margin-left:auto;font-size:14px;font-weight:500}
.nav a{text-decoration:none;color:var(--soft)}
.nav a:hover,.nav a[aria-current]{color:var(--red)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:3px;cursor:pointer;font-family:var(--f-disp);font-weight:600;font-size:17px;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;padding:10px 18px;transition:background .15s}
.btn-red{background:var(--red);color:#fff}.btn-red:hover{background:var(--red-d)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--fg)}.btn-ghost:hover{border-color:var(--fg)}
.btn svg{width:18px;height:18px;flex:none}
.menu-m{display:none;margin-left:auto}
.menu-m summary{list-style:none;cursor:pointer;padding:8px 10px;border:1px solid var(--line);border-radius:3px;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.menu-m summary::-webkit-details-marker{display:none}
.menu-m nav{position:absolute;left:0;right:0;top:100%;background:#0b0b0c;border-bottom:1px solid var(--line);display:grid;padding:6px max(16px,env(safe-area-inset-right,0px)) 12px max(16px,env(safe-area-inset-left,0px))}
.menu-m nav a{padding:10px 0;border-bottom:1px solid var(--line);text-decoration:none}

/* hero + picker */
.hero{border-bottom:1px solid var(--line);background:linear-gradient(180deg,#121214 0%,var(--bg) 100%)}
.hero .wrap{padding-block:26px 22px;display:grid;gap:16px}
.eyebrow{font-family:var(--f-disp);font-weight:600;font-size:14px;letter-spacing:.18em;text-transform:uppercase;color:var(--red)}
h1,h2,h3{font-family:var(--f-disp);text-transform:uppercase;letter-spacing:.01em;text-wrap:balance;margin:0}
h1{font-weight:700;font-size:clamp(32px,4.2vw,50px);line-height:1.02;margin-top:4px}
h2{font-weight:700;font-size:clamp(25px,2.8vw,34px);line-height:1.06}
h3{font-weight:700;font-size:clamp(20px,2vw,24px);line-height:1.1}
.lead{max-width:72ch;color:var(--soft);margin:0}
.picker{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.field{display:grid;gap:4px;min-width:0}
.field label{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600}
.field select{width:100%;min-width:0;background:var(--panel);border:1px solid var(--line);border-radius:3px;padding:11px 12px;font-size:15px}
.field select:disabled{opacity:.45}
.search{position:relative}
.search input{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:3px;padding:11px 12px 11px 40px;font-size:15px}
.search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--muted)}
.results{position:absolute;left:0;right:0;top:calc(100% + 4px);background:var(--panel2);border:1px solid var(--line);border-radius:3px;z-index:15;max-height:360px;overflow:auto}
.results a{display:flex;justify-content:space-between;gap:12px;padding:9px 12px;border-bottom:1px solid var(--line);text-decoration:none;font-size:14px}
.results a:hover,.results a:focus-visible{background:#26262b}
.results em{font-style:normal;color:var(--muted);font-size:13px;white-space:nowrap}
.results p{margin:0;padding:10px 12px;font-size:14px;color:var(--muted)}

/* sezioni */
main .wrap{padding-block:22px 48px}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--muted);margin:0 0 12px;padding:0;list-style:none}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--line)}
.crumbs a{text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px;color:var(--fg)}
.sec{margin-top:34px}
.sec:first-child{margin-top:0}
.sec-h{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px;border-bottom:2px solid var(--red);padding-bottom:8px;margin-bottom:14px}
.count{font-size:13px;color:var(--muted);white-space:nowrap}
.cols{columns:5 170px;column-gap:22px}
.cols a{display:flex;justify-content:space-between;align-items:baseline;gap:10px;break-inside:avoid;border-bottom:1px solid var(--line);padding:8px 2px;text-decoration:none;font-size:15px}
.cols a:hover{color:var(--red)}
.cols a span{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums;white-space:nowrap}
.prose{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 28px}
.prose p{margin:0;color:var(--soft)}
.prose .full{grid-column:1/-1}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.steps div{background:var(--panel);padding:16px 18px}
.steps b{display:block;font-family:var(--f-disp);font-size:14px;letter-spacing:.14em;color:var(--red)}
.steps h3{margin:4px 0 6px}
.steps p{margin:0;color:var(--soft);font-size:15px}
.stages{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.stages div{border-top:3px solid var(--red);background:var(--panel);padding:16px 18px}
.stages h3{margin-bottom:6px}
.stages p{margin:0;color:var(--soft);font-size:15px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:13px 2px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";color:var(--red);font-weight:700}
.faq details[open] summary::after{content:"−"}
.faq summary::-webkit-details-marker{display:none}
.faq p{margin:0 0 14px;color:var(--soft);max-width:80ch}
.cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--red);padding:18px 20px}
.cta p{margin:4px 0 0;color:var(--soft);max-width:70ch}
.cta h2{font-size:clamp(22px,2.4vw,28px)}

/* pagina modello */
.gen{margin-top:26px}
.gen-h{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.gen-h .count{margin-left:auto}
.motor{background:var(--panel);border:1px solid var(--line);margin-bottom:10px;scroll-margin-top:80px}
.motor:target{border-color:var(--red);box-shadow:0 0 0 1px var(--red)}
.motor-h{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;padding:12px 16px;border-bottom:1px solid var(--line)}
.motor-h h3{font-size:21px}
.gain{font-family:var(--f-disp);font-weight:700;font-size:20px;color:var(--red);font-variant-numeric:tabular-nums;white-space:nowrap}
.motor-h .btn{margin-left:auto;font-size:15px;padding:8px 14px}
.tbl{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
th,td{padding:8px 14px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}
tr:last-child td{border-bottom:0}
th:first-child,td:first-child{text-align:left}
th{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600}
td.plus{color:var(--red);font-weight:600}
td.note{color:var(--muted);text-align:left;white-space:normal}
.bar{display:block;height:4px;background:var(--line);margin-top:4px;min-width:60px}
.bar i{display:block;height:100%;background:var(--red)}
.side{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:20px;align-items:start}
.box{background:var(--panel);border:1px solid var(--line);padding:18px}
.box h2{font-size:24px;margin-bottom:8px}
.box p{margin:0 0 12px;color:var(--soft);font-size:15px}
.incl{list-style:none;padding:0;margin:0 0 14px;display:grid;gap:7px;font-size:14px;color:var(--soft)}
.incl li{display:grid;grid-template-columns:16px 1fr;gap:8px}
.incl li::before{content:"";width:10px;height:2px;background:var(--red);margin-top:11px}
.box .btn{width:100%}
.phone{display:block;margin-top:8px;text-align:center;font-size:13px;color:var(--muted)}
.sticky{position:sticky;top:76px}

/* footer */
footer{border-top:1px solid var(--line);background:#080809;font-size:13px;color:var(--muted)}
footer .wrap{padding-block:22px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between}
footer a{color:var(--soft)}
footer p{margin:0;max-width:70ch}

.wa-float{position:fixed;right:calc(16px + env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:30;width:54px;height:54px;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.5)}
.wa-float svg{width:28px;height:28px}

@media (max-width:980px){
  .nav{display:none}.menu-m{display:block}
  .top .wrap{position:relative}
  .steps{grid-template-columns:1fr 1fr}
  .side{grid-template-columns:minmax(0,1fr)}
  .sticky{position:static}
}
@media (max-width:860px){
  .picker{grid-template-columns:1fr 1fr}
  .stages{grid-template-columns:1fr}
  .prose{grid-template-columns:1fr}
}
@media (max-width:560px){
  .logo img{height:36px}
  .top .btn-red span{display:none}
  .top .btn-red{padding:9px 11px}
  .steps{grid-template-columns:1fr}
  .motor-h .btn{margin-left:0;width:100%}
  th,td{padding:7px 10px}
  .hide-s{display:none}
  .count{white-space:normal}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* pagina motorizzazione */
.stg{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.stg .st:last-child:nth-child(odd){grid-column:1/-1}
.st{background:var(--panel);border:1px solid var(--line);border-top:3px solid var(--red);padding:16px 18px;display:grid;gap:12px;align-content:start}
.st-h{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 12px}
.st-h h3{font-size:24px}
.st p{margin:0;color:var(--soft);font-size:14px}
.st .btn{justify-self:start;font-size:15px;padding:8px 14px}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.kv div{background:var(--panel2);padding:10px 12px}
.kv small{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600}
.kv b{display:block;font-family:var(--f-disp);font-size:24px;line-height:1.1;font-variant-numeric:tabular-nums}
.kv span{color:var(--red);font-weight:600;font-size:13px}
.bars{display:grid;gap:10px}
.br{display:grid;grid-template-columns:30px minmax(0,1fr);gap:3px 8px;align-items:center}
.bl{font-size:12px;font-weight:600;color:var(--muted)}
.bt{position:relative;display:flex;align-items:center;gap:8px;min-width:0;overflow:hidden}
.bt i{display:block;height:12px;flex:none}
.b0{background:#55555c}.b1{background:var(--red)}
.bt em{font-style:normal;font-size:12px;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.bt em b{color:var(--fg)}
.more{color:var(--red);text-decoration:none;font-weight:600;white-space:nowrap}
td a{text-decoration:none}
td a:hover b{color:var(--red)}
@media (max-width:560px){.stg{grid-template-columns:1fr}.kv b{font-size:20px}}