/* ============================================================
   LinkBiz — Landing styles
   Palette: ink violet base · violet primary · gold = valore/€ · cyan = rete
   ============================================================ */
:root{
  --ink:#0B0A18;
  --ink-2:#0E0C20;
  --panel:#181632;
  --panel-2:#211D46;
  --line:rgba(255,255,255,0.09);
  --line-2:rgba(255,255,255,0.14);
  --violet:#7C6CF0;
  --violet-bright:#9E8FFF;
  --violet-deep:#5A4BD6;
  --cyan:#37E0D2;
  --gold:#F5C452;
  --gold-deep:#E0A93B;
  --text:#ECEBF7;
  --muted:#A19EC2;
  --muted-2:#726F94;
  --soft-1:rgba(255,255,255,.03);
  --soft-2:rgba(255,255,255,.07);
  --soft-0:rgba(255,255,255,.02);
  --nav-bg:rgba(11,10,24,.72);
  --nav-bg-scrolled:rgba(11,10,24,.86);
  --chip-bg:rgba(11,10,24,.6);
  --maxw:1180px;
  --r:18px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--text);
  font-family:'Inter',system-ui,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:'Bricolage Grotesque',sans-serif;font-weight:700;line-height:1.05;letter-spacing:-0.02em}
.mono{font-family:'JetBrains Mono',monospace}
.gold{color:var(--gold)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:110px 0;position:relative}

.eyebrow{
  font-family:'JetBrains Mono',monospace;
  font-size:12px;font-weight:700;letter-spacing:0.22em;text-transform:uppercase;
  color:var(--violet-bright);
  display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--violet)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-weight:600;font-size:15px;
  padding:14px 24px;border-radius:12px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease, box-shadow .25s ease, background .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--violet) 0%,var(--violet-deep) 100%);
  color:#fff;
  box-shadow:0 10px 30px -8px rgba(124,108,240,.6);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -8px rgba(124,108,240,.75)}
.btn-ghost{background:var(--soft-1);border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{background:var(--soft-2);transform:translateY(-2px)}

/* ---------- nav ---------- */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  backdrop-filter:blur(14px);
  background:var(--nav-bg);
  border-bottom:1px solid transparent;
  transition:border-color .3s, background .3s;
}
nav.scrolled{border-bottom-color:var(--line);background:var(--nav-bg-scrolled)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.logo{display:flex;align-items:center;gap:11px;font-family:'Bricolage Grotesque';font-weight:800;font-size:21px;letter-spacing:-0.02em}
.logo-mark{width:30px;height:30px;flex:none}
.nav-links{display:flex;gap:32px;font-size:14.5px;color:var(--muted)}
.nav-links a{transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-cta{display:flex;gap:12px;align-items:center}
.nav-signin{font-size:14.5px;color:var(--muted);transition:color .2s}
.nav-signin:hover{color:var(--text)}
@media(max-width:1080px){.nav-signin{display:none}}
@media(max-width:900px){.nav-links{display:none}}

/* ---------- hero ---------- */
.hero{padding-top:150px;padding-bottom:90px;position:relative;overflow:hidden}
.hero-glow{
  position:absolute;top:-180px;left:50%;transform:translateX(-30%);
  width:900px;height:900px;pointer-events:none;
  background:radial-gradient(circle,rgba(124,108,240,.22) 0%,rgba(124,108,240,0) 62%);
}
.hero-glow-2{
  position:absolute;top:120px;right:-200px;
  width:640px;height:640px;pointer-events:none;
  background:radial-gradient(circle,rgba(55,224,210,.10) 0%,rgba(55,224,210,0) 65%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero h1{font-size:clamp(38px,5.4vw,64px);font-weight:800}
.hero h1 .flow{
  background:linear-gradient(105deg,var(--gold),var(--gold-deep));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lede{font-size:19px;color:var(--muted);margin-top:24px;max-width:520px}
.hero-cta{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.hero-trust{display:flex;gap:26px;margin-top:40px;flex-wrap:wrap;color:var(--muted-2);font-size:13.5px}
.hero-trust span{display:flex;align-items:center;gap:8px}
.hero-trust .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan)}
@media(max-width:880px){.hero-grid{grid-template-columns:1fr;gap:48px}.hero{padding-top:130px}}

/* ---------- signature: referral chain ---------- */
.chain{
  position:relative;
  background:linear-gradient(160deg,var(--panel) 0%,var(--ink-2) 100%);
  border:1px solid var(--line);
  border-radius:24px;
  padding:26px 24px 22px;
  box-shadow:0 40px 80px -30px rgba(0,0,0,.7);
}
.chain-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.chain-head .t{font-family:'JetBrains Mono';font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted-2)}
.chain-head .live{display:flex;align-items:center;gap:7px;font-family:'JetBrains Mono';font-size:11px;color:var(--cyan)}
.chain-head .live .pulse{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 rgba(55,224,210,.6);animation:live 2s infinite}
@keyframes live{0%{box-shadow:0 0 0 0 rgba(55,224,210,.5)}70%{box-shadow:0 0 0 7px rgba(55,224,210,0)}100%{box-shadow:0 0 0 0 rgba(55,224,210,0)}}

.rail{position:relative;padding:14px 0 4px}
.rail::before{
  content:"";position:absolute;left:26px;top:34px;bottom:52px;width:2px;
  background:linear-gradient(var(--line-2),var(--line-2));
  border-radius:2px;
}
.spark{
  position:absolute;left:22px;width:10px;height:10px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 14px 3px rgba(245,196,82,.8);
  animation:travel 4.2s cubic-bezier(.4,0,.2,1) infinite;
}
@keyframes travel{
  0%{top:calc(100% - 60px);opacity:0}
  8%{opacity:1}
  92%{opacity:1}
  100%{top:26px;opacity:0}
}
.node{position:relative;display:flex;align-items:center;gap:15px;padding:11px 0;z-index:2}
.node .av{
  width:34px;height:34px;border-radius:11px;flex:none;
  display:flex;align-items:center;justify-content:center;
  font-family:'Bricolage Grotesque';font-weight:700;font-size:14px;
  background:var(--panel-2);border:1px solid var(--line-2);color:var(--text);
  position:relative;z-index:3;
}
.node.you .av{background:linear-gradient(135deg,var(--violet),var(--violet-deep));border-color:transparent;box-shadow:0 0 0 4px rgba(124,108,240,.16)}
.node.buyer .av{background:rgba(55,224,210,.14);border-color:rgba(55,224,210,.35);color:var(--cyan)}
.node .info{flex:1;min-width:0}
.node .info .nm{font-size:14px;font-weight:600}
.node .info .rl{font-size:11.5px;color:var(--muted-2);font-family:'JetBrains Mono'}
.node .cut{
  font-family:'JetBrains Mono';font-weight:700;font-size:13.5px;
  color:var(--gold);
  background:rgba(245,196,82,.10);border:1px solid rgba(245,196,82,.22);
  padding:4px 10px;border-radius:8px;white-space:nowrap;
}
.node.buyer .cut{color:var(--cyan);background:rgba(55,224,210,.10);border-color:rgba(55,224,210,.22)}
.chain-foot{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)
}
.chain-foot b{font-family:'JetBrains Mono';color:var(--gold);font-size:15px}

@media(prefers-reduced-motion:reduce){
  .spark,.chain-head .live .pulse{animation:none}
  .spark{opacity:0}
}

/* ---------- generic section head ---------- */
.shead{max-width:640px;margin-bottom:56px}
.shead.center{margin-left:auto;margin-right:auto;text-align:center}
.shead h2{font-size:clamp(30px,3.6vw,44px);margin-top:18px}
.shead p{color:var(--muted);font-size:17px;margin-top:16px}

/* ---------- how it works ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:26px 22px;position:relative;overflow:hidden;
}
.step .num{font-family:'JetBrains Mono';font-size:12px;font-weight:700;color:var(--violet-bright);letter-spacing:.1em}
.step h3{font-size:19px;margin:16px 0 9px}
.step p{font-size:14px;color:var(--muted)}
.step .ic{width:40px;height:40px;margin-bottom:6px}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}

/* ---------- showcase ---------- */
.showcase-bg{background:linear-gradient(180deg,var(--ink) 0%,var(--ink-2) 100%)}
.shop-strip{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.chip{
  font-family:'JetBrains Mono';font-size:12px;color:var(--muted);
  padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:var(--soft-0)
}
.chip.on{color:var(--ink);background:var(--gold);border-color:var(--gold);font-weight:700}
.products{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;transition:transform .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-2)}
.card .thumb{height:132px;position:relative;display:flex;align-items:center;justify-content:center}
.card .thumb svg{width:52px;height:52px;opacity:.92}
.card .badge{
  position:absolute;top:12px;right:12px;
  font-family:'JetBrains Mono';font-size:10.5px;font-weight:700;
  color:var(--gold);background:var(--chip-bg);backdrop-filter:blur(4px);
  border:1px solid rgba(245,196,82,.3);padding:4px 9px;border-radius:7px;
}
.card .body{padding:16px 17px 18px;flex:1;display:flex;flex-direction:column}
.card .shop{font-family:'JetBrains Mono';font-size:11px;color:var(--muted-2);letter-spacing:.05em}
.card .name{font-family:'Bricolage Grotesque';font-weight:700;font-size:16px;margin:5px 0 3px}
.card .desc{font-size:12.5px;color:var(--muted);flex:1}
.card .row{display:flex;justify-content:space-between;align-items:center;margin-top:15px}
.card .price{font-family:'JetBrains Mono';font-weight:700;font-size:17px}
.card .buy{font-size:12px;color:var(--violet-bright);font-weight:600;display:flex;align-items:center;gap:5px}
@media(max-width:960px){.products{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.products{grid-template-columns:1fr}}

/* ---------- features ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:26px 24px;transition:border-color .2s,transform .2s;
}
.feat:hover{border-color:var(--line-2);transform:translateY(-3px)}
.feat .ic{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(124,108,240,.12);border:1px solid rgba(124,108,240,.25);margin-bottom:18px}
.feat .ic svg{width:22px;height:22px}
.feat h3{font-size:18px;margin-bottom:9px}
.feat p{font-size:14px;color:var(--muted)}
@media(max-width:900px){.feat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.feat-grid{grid-template-columns:1fr}}

/* ---------- wallet ---------- */
.wallet-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.wallet{
  background:linear-gradient(160deg,var(--panel) 0%,var(--ink-2) 100%);
  border:1px solid var(--line);border-radius:22px;padding:32px 30px;position:relative;overflow:hidden;
}
.wallet.cash{border-color:rgba(245,196,82,.22)}
.wallet .tag{font-family:'JetBrains Mono';font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2)}
.wallet .amt{font-family:'JetBrains Mono';font-weight:700;font-size:34px;margin:14px 0 4px}
.wallet.credit .amt{color:var(--violet-bright)}
.wallet.cash .amt{color:var(--gold)}
.wallet h3{font-size:20px;margin:18px 0 10px}
.wallet p{font-size:14px;color:var(--muted)}
.wallet ul{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:11px}
.wallet li{font-size:13.5px;color:var(--muted);display:flex;gap:11px;align-items:flex-start}
.wallet li svg{width:17px;height:17px;flex:none;margin-top:2px}
.thresh{margin-top:22px;display:flex;gap:10px;flex-wrap:wrap}
.thresh .t{font-family:'JetBrains Mono';font-size:12px;padding:6px 11px;border-radius:8px;background:var(--soft-1);border:1px solid var(--line)}
@media(max-width:820px){.wallet-grid{grid-template-columns:1fr}}

/* ---------- compliance ---------- */
.comp{background:linear-gradient(180deg,var(--ink-2),var(--ink))}
.comp-inner{
  background:
    radial-gradient(700px 300px at 15% 0%,rgba(124,108,240,.12),transparent 70%),
    var(--panel);
  border:1px solid var(--line);border-radius:26px;padding:52px 48px;
}
.comp-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.comp h2{font-size:clamp(28px,3.4vw,40px)}
.comp p.sub{color:var(--muted);font-size:16px;margin-top:16px}
.comp-list{display:flex;flex-direction:column;gap:16px}
.comp-item{display:flex;gap:15px;align-items:flex-start}
.comp-item .chk{width:26px;height:26px;border-radius:8px;flex:none;background:rgba(55,224,210,.12);border:1px solid rgba(55,224,210,.3);display:flex;align-items:center;justify-content:center}
.comp-item .chk svg{width:14px;height:14px}
.comp-item h4{font-size:15px;font-family:'Bricolage Grotesque';font-weight:700;margin-bottom:2px}
.comp-item p{font-size:13.5px;color:var(--muted)}
@media(max-width:820px){.comp-grid{grid-template-columns:1fr;gap:32px}.comp-inner{padding:36px 26px}}

/* ---------- pricing ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.plan{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:30px 28px;display:flex;flex-direction:column}
.plan.pop{border-color:var(--violet);background:linear-gradient(180deg,rgba(124,108,240,.10),var(--panel));position:relative}
.plan .pop-tag{position:absolute;top:-12px;left:28px;font-family:'JetBrains Mono';font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);background:var(--gold);padding:5px 11px;border-radius:7px}
.plan .pn{font-family:'JetBrains Mono';font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
.plan .pp{font-family:'Bricolage Grotesque';font-weight:800;font-size:40px;margin:14px 0 2px}
.plan .pp small{font-size:15px;font-weight:500;color:var(--muted-2);font-family:'Inter'}
.plan .pd{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.plan ul{list-style:none;display:flex;flex-direction:column;gap:12px;flex:1;margin-bottom:26px}
.plan li{font-size:13.5px;color:var(--muted);display:flex;gap:10px;align-items:flex-start}
.plan li svg{width:16px;height:16px;flex:none;margin-top:3px}
.plan .btn{justify-content:center;width:100%}
@media(max-width:820px){.plans{grid-template-columns:1fr}}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq{border-bottom:1px solid var(--line)}
.faq button{
  width:100%;background:none;border:none;color:var(--text);cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:24px 4px;text-align:left;font-family:'Bricolage Grotesque';font-weight:600;font-size:18px;
}
.faq button .plus{flex:none;width:24px;height:24px;position:relative;transition:transform .3s}
.faq button .plus::before,.faq button .plus::after{content:"";position:absolute;background:var(--violet-bright);border-radius:2px}
.faq button .plus::before{top:11px;left:4px;right:4px;height:2px}
.faq button .plus::after{left:11px;top:4px;bottom:4px;width:2px;transition:transform .3s}
.faq.open button .plus::after{transform:scaleY(0)}
.faq .ans{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq .ans p{padding:0 4px 24px;color:var(--muted);font-size:15px;max-width:720px}
.faq.open .ans{max-height:360px}

/* ---------- final cta ---------- */
.final{text-align:center;position:relative;overflow:hidden}
.final-glow{position:absolute;top:0;left:50%;transform:translateX(-50%);width:800px;height:500px;background:radial-gradient(circle,rgba(124,108,240,.18),transparent 60%);pointer-events:none}
.final h2{font-size:clamp(32px,4.4vw,52px);max-width:760px;margin:0 auto;position:relative}
.final p{color:var(--muted);font-size:18px;margin:22px auto 34px;max-width:520px;position:relative}
.final .hero-cta{justify-content:center;position:relative}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:56px 0 40px}
.foot-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.foot-brand{max-width:280px}
.foot-brand p{color:var(--muted-2);font-size:13.5px;margin-top:14px}
.foot-cols{display:flex;gap:64px;flex-wrap:wrap}
.foot-col h5{font-family:'JetBrains Mono';font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:16px}
.foot-col a{display:block;color:var(--muted);font-size:14px;margin-bottom:11px;transition:color .2s}
.foot-col a:hover{color:var(--text)}
.foot-bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted-2);font-size:12.5px}
.foot-legal{max-width:640px;line-height:1.5}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ---------- tema chiaro ----------
   Stessa impaginazione, palette ribaltata. Gli accenti si scuriscono:
   su fondo bianco le tinte notturne non reggono il contrasto. */
[data-theme="light"]{
  --ink:#F6F5FB;
  --ink-2:#EEECF7;
  --panel:#FFFFFF;
  --panel-2:#F4F2FC;
  --line:rgba(28,25,60,0.11);
  --line-2:rgba(28,25,60,0.2);
  --violet:#5B49D6;
  --violet-bright:#4A38C4;
  --violet-deep:#3D2FA8;
  --cyan:#0D8E83;
  --gold:#9A6B0D;
  --gold-deep:#7D5609;
  --text:#17152E;
  --muted:#56537A;
  --muted-2:#83809F;
  --soft-0:rgba(28,25,60,.03);
  --soft-1:rgba(28,25,60,.045);
  --soft-2:rgba(28,25,60,.08);
  --nav-bg:rgba(246,245,251,.8);
  --nav-bg-scrolled:rgba(246,245,251,.92);
  --chip-bg:rgba(255,255,255,.75);
}

/* interruttore giorno/notte nella barra di navigazione */
.theme-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;flex:none;
  border:1px solid var(--line-2);border-radius:11px;
  background:var(--soft-1);color:var(--muted);cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.theme-btn:hover{background:var(--soft-2);color:var(--text)}
.theme-btn .moon{display:none}
[data-theme="light"] .theme-btn .sun{display:none}
[data-theme="light"] .theme-btn .moon{display:block}