/* ===========================================================
   FleexPay — wholesale digital-asset & payment infrastructure
   Brand: FleexPay  ·  Operated by Isla-Mia Blockchain Solutions LLC
   =========================================================== */

:root{
  --bg:#070A14;
  --bg-soft:#0B1020;
  --panel:#0F1628;
  --panel-2:#131C32;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --txt:#EAEEFB;
  --txt-soft:#A8B2CE;
  --txt-mut:#6F7A99;
  --cyan:#22D3EE;
  --indigo:#6366F1;
  --violet:#A855F7;
  --green:#34D399;
  --grad:linear-gradient(120deg,#22D3EE 0%,#6366F1 50%,#A855F7 100%);
  --grad-soft:linear-gradient(120deg,rgba(34,211,238,.15),rgba(168,85,247,.15));
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 24px 60px -24px rgba(0,0,0,.7);
  --maxw:1180px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  --mono:'JetBrains Mono','SF Mono',ui-monospace,Menlo,Consolas,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--txt);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(60% 50% at 15% 0%,rgba(34,211,238,.10),transparent 60%),
    radial-gradient(55% 45% at 90% 5%,rgba(168,85,247,.12),transparent 60%),
    radial-gradient(50% 40% at 50% 100%,rgba(99,102,241,.10),transparent 60%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;opacity:.4;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(70% 60% at 50% 20%,#000,transparent 90%);
          mask-image:radial-gradient(70% 60% at 50% 20%,#000,transparent 90%);
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:96px 0}

/* ---------- Navigation ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(7,10,20,.72);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{color:var(--txt-soft);font-size:14.5px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--txt)}
.nav-cta{display:flex;gap:12px;align-items:center}
.menu-btn{display:none;background:none;border:1px solid var(--line-strong);color:var(--txt);border-radius:10px;padding:8px 12px;cursor:pointer}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;font-size:14.5px;border-radius:12px;
  padding:11px 20px;cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease,box-shadow .2s ease,background .2s;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad);color:#06121f;box-shadow:0 10px 30px -10px rgba(99,102,241,.7)}
.btn-primary:hover{box-shadow:0 14px 40px -10px rgba(99,102,241,.9)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line-strong);color:var(--txt)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-lg{padding:14px 26px;font-size:15.5px}

/* ---------- Hero ---------- */
.hero{padding:120px 0 90px;position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  color:var(--cyan);background:rgba(34,211,238,.08);
  border:1px solid rgba(34,211,238,.2);border-radius:100px;padding:6px 14px;margin-bottom:24px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(52,211,153,.18)}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;font-weight:700}
.hero h1{font-size:clamp(38px,6vw,68px);max-width:18ch}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{font-size:clamp(17px,2.2vw,21px);color:var(--txt-soft);max-width:60ch;margin:26px 0 36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{display:flex;gap:34px;margin-top:54px;flex-wrap:wrap}
.hero-meta .stat .n{font-size:30px;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-meta .stat .l{font-size:13.5px;color:var(--txt-mut)}

/* ---------- Trust row ---------- */
.trust{padding:36px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-label{text-align:center;color:var(--txt-mut);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:22px}
.trust-row{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--txt-soft);
  border:1px solid var(--line);border-radius:100px;padding:8px 16px;background:rgba(255,255,255,.02);
}
.chip svg{width:15px;height:15px}

/* ---------- Section headings ---------- */
.sec-head{max-width:640px;margin-bottom:54px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head .tag{color:var(--cyan);font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.sec-head h2{font-size:clamp(28px,4vw,42px);margin:14px 0}
.sec-head p{color:var(--txt-soft);font-size:17px}

/* ---------- Cards / grid ---------- */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:linear-gradient(180deg,var(--panel),var(--bg-soft));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:transform .2s ease,border-color .2s,box-shadow .2s;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.card .ico{
  width:48px;height:48px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:var(--grad-soft);border:1px solid var(--line-strong);
}
.card .ico svg{width:24px;height:24px;stroke:var(--cyan)}
.card h3{font-size:19px;margin-bottom:9px}
.card p{color:var(--txt-soft);font-size:15px}
.card .more{margin-top:16px;display:inline-flex;gap:6px;color:var(--cyan);font-size:14px;font-weight:600}
.card-glow::before{
  content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .25s;
}
.card-glow:hover::before{opacity:.6}

/* feature list */
.feat{display:flex;gap:14px;align-items:flex-start}
.feat .tick{flex:none;width:24px;height:24px;border-radius:7px;background:rgba(52,211,153,.12);display:grid;place-items:center}
.feat .tick svg{width:14px;height:14px;stroke:var(--green)}
.feat h4{font-size:16px;margin-bottom:3px}
.feat p{color:var(--txt-soft);font-size:14.5px}

/* ---------- Split / flow ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.panel{
  background:linear-gradient(180deg,var(--panel-2),var(--bg-soft));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);
}
.flow-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line)}
.flow-row:last-child{border-bottom:0}
.flow-row .num{flex:none;width:30px;height:30px;border-radius:9px;background:var(--grad);color:#06121f;font-weight:700;display:grid;place-items:center;font-size:14px}
.flow-row .t b{display:block;font-size:15px}
.flow-row .t span{font-size:13.5px;color:var(--txt-mut)}

/* ---------- Stats band ---------- */
.band{background:linear-gradient(180deg,var(--bg-soft),var(--bg));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band .grid-4{gap:24px}
.kpi{text-align:center;padding:18px}
.kpi .n{font-size:clamp(30px,4vw,44px);font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.kpi .l{color:var(--txt-soft);font-size:14.5px;margin-top:6px}

/* ---------- Code preview ---------- */
.code-card{background:#070B16;border:1px solid var(--line-strong);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.code-top{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.code-top .dotr{width:11px;height:11px;border-radius:50%}
.code-top .fname{margin-left:10px;color:var(--txt-mut);font-size:13px;font-family:var(--mono)}
pre{margin:0;padding:20px;overflow:auto;font-family:var(--mono);font-size:13px;line-height:1.7;color:#cdd6f4}
code{font-family:var(--mono)}
.tok-k{color:#c792ea}.tok-s{color:#c3e88d}.tok-n{color:#f78c6c}.tok-p{color:#82aaff}.tok-c{color:#546e7a}.tok-a{color:#22D3EE}

/* ---------- CTA ---------- */
.cta-band{
  background:radial-gradient(120% 140% at 50% 0%,rgba(99,102,241,.25),transparent 60%),linear-gradient(180deg,var(--panel),var(--bg-soft));
  border:1px solid var(--line-strong);border-radius:26px;padding:64px 40px;text-align:center;position:relative;overflow:hidden;
}
.cta-band h2{font-size:clamp(28px,4vw,44px)}
.cta-band p{color:var(--txt-soft);max-width:56ch;margin:16px auto 30px;font-size:17px}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);padding:64px 0 36px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-grid h5{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--txt-mut);margin-bottom:16px}
.foot-grid a{display:block;color:var(--txt-soft);font-size:14.5px;padding:5px 0;transition:color .2s}
.foot-grid a:hover{color:var(--txt)}
.foot-about p{color:var(--txt-soft);font-size:14.5px;margin:16px 0;max-width:34ch}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;margin-top:48px;padding-top:26px;border-top:1px solid var(--line);color:var(--txt-mut);font-size:13.5px}
.disclaimer{color:var(--txt-mut);font-size:12.5px;line-height:1.6;margin-top:18px;max-width:90ch}

/* ---------- API docs layout ---------- */
.docs{display:grid;grid-template-columns:248px 1fr;gap:48px;align-items:start}
.docs-side{position:sticky;top:96px;border-right:1px solid var(--line);padding-right:8px;max-height:calc(100vh - 120px);overflow:auto}
.docs-side h6{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--txt-mut);margin:22px 0 8px}
.docs-side a{display:block;color:var(--txt-soft);font-size:14px;padding:6px 10px;border-radius:8px;transition:.15s}
.docs-side a:hover{background:rgba(255,255,255,.04);color:var(--txt)}
.docs-main{min-width:0}
.docs-main h2{font-size:30px;margin:8px 0 16px;scroll-margin-top:90px}
.docs-main h3{font-size:21px;margin:40px 0 12px;scroll-margin-top:90px;padding-top:8px}
.docs-main h4{font-size:16px;margin:26px 0 10px;color:var(--txt)}
.docs-main p{color:var(--txt-soft);margin:12px 0}
.docs-main ul{color:var(--txt-soft);margin:12px 0 12px 22px}
.docs-main li{margin:6px 0}
.endpoint{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:18px 0;font-family:var(--mono);font-size:14px;flex-wrap:wrap}
.method{font-weight:700;font-size:12px;padding:4px 10px;border-radius:7px;letter-spacing:.04em}
.m-get{background:rgba(52,211,153,.15);color:#34D399}
.m-post{background:rgba(34,211,238,.15);color:#22D3EE}
.m-put{background:rgba(168,85,247,.18);color:#c084fc}
.m-del{background:rgba(248,113,113,.16);color:#f87171}
.path{color:var(--txt)}
table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line)}
th{color:var(--txt-mut);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.05em}
td{color:var(--txt-soft)}
td code,p code,li code{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:6px;padding:1px 7px;font-size:12.5px;color:var(--cyan)}
.req-badge{font-size:11px;color:#f87171;font-weight:600}
.note{background:var(--grad-soft);border:1px solid var(--line-strong);border-left:3px solid var(--cyan);border-radius:10px;padding:14px 18px;margin:18px 0;font-size:14.5px;color:var(--txt-soft)}

/* page hero (inner pages) */
.page-hero{padding:80px 0 40px;text-align:center}
.page-hero h1{font-size:clamp(32px,5vw,52px)}
.page-hero p{color:var(--txt-soft);font-size:18px;max-width:60ch;margin:18px auto 0}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;color:var(--txt-soft);margin-bottom:7px;font-weight:500}
.field input,.field select,.field textarea{
  width:100%;background:var(--bg-soft);border:1px solid var(--line-strong);border-radius:11px;
  color:var(--txt);padding:12px 14px;font-size:14.5px;font-family:inherit;transition:border-color .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan)}
.info-row{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line)}
.info-row .ico{flex:none;width:42px;height:42px;border-radius:11px;background:var(--grad-soft);border:1px solid var(--line-strong);display:grid;place-items:center}
.info-row .ico svg{width:20px;height:20px;stroke:var(--cyan)}
.info-row b{display:block;font-size:15px}
.info-row span{color:var(--txt-soft);font-size:14px}

/* reveal animation */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .split,.contact-grid{grid-template-columns:1fr;gap:36px}
  .docs{grid-template-columns:1fr}
  .docs-side{position:static;border-right:0;border-bottom:1px solid var(--line);max-height:none;padding-bottom:14px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  section{padding:64px 0}
  .nav-links{
    display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--bg-soft);border-bottom:1px solid var(--line);padding:10px 24px;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;width:100%;border-bottom:1px solid var(--line)}
  .menu-btn{display:block}
  .grid-3,.grid-4,.grid-2,.band .grid-4{grid-template-columns:1fr}
  .hero-meta{gap:24px}
  .foot-grid{grid-template-columns:1fr}
  .nav-cta .btn-ghost{display:none}
}