/* ============================================================
   FastFin — dark neo-fintech theme
   Palette: space-navy base, violet->cyan gradient signature, mint
   Type: geometric system-sans + monospace for figures/tags
   No third-party assets. All icons are inline SVG.
   ============================================================ */

:root{
  --bg:#0A0B14;
  --bg-2:#0D0F1C;
  --surface:#12141F;
  --surface-2:#171A28;
  --surface-3:#1E2233;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:#EDEEF7;
  --muted:#9AA0BC;
  --faint:#6C7291;
  --violet:#7B61FF;
  --blue:#5B8DEF;
  --cyan:#22D3EE;
  --mint:#3DE0A8;
  --rose:#FF7597;
  --grad:linear-gradient(135deg,#7B61FF 0%,#5B8DEF 52%,#22D3EE 100%);
  --grad-soft:linear-gradient(135deg,rgba(123,97,255,.16),rgba(34,211,238,.10));
  --radius:16px;
  --radius-sm:11px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Code","JetBrains Mono",Consolas,monospace;
  --maxw:1140px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.6);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--text);background:var(--bg);
  line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(700px 380px at 88% -4%, rgba(123,97,255,.14), transparent 60%),
    radial-gradient(620px 360px at 4% 2%, rgba(34,211,238,.10), transparent 58%);
  background-attachment:fixed;background-repeat:no-repeat;
}
img,svg{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{color:#7ee7f6}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

.skip{position:absolute;left:-9999px;top:0;background:var(--violet);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0}
.skip:focus{left:0}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(10,11,20,.72);backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.24rem;color:var(--text);letter-spacing:-.02em}
.brand:hover{color:var(--text)}
.brand .mark{width:34px;height:34px;flex:0 0 34px}
.nav-toggle,.nav-burger{display:none}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-links a{display:block;padding:9px 13px;border-radius:9px;color:var(--muted);font-weight:500;font-size:.96rem}
.nav-links a:hover{color:var(--text);background:var(--surface-2)}
.nav-links a.active{color:var(--text);background:var(--surface-2)}
.nav-cta{margin-left:8px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--font);font-weight:600;font-size:.98rem;padding:12px 22px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:transform .14s ease,box-shadow .14s ease,background .14s ease,border-color .14s ease}
.btn svg{width:18px;height:18px;flex:0 0 18px}
.btn:hover{transform:translateY(-1px)}
.btn-grad{background:var(--grad);color:#0A0B14;font-weight:700;box-shadow:0 10px 26px -10px rgba(91,141,239,.7)}
.btn-grad:hover{box-shadow:0 16px 34px -10px rgba(91,141,239,.85);color:#0A0B14}
.btn-ghost{background:var(--surface-2);border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{border-color:var(--violet);color:var(--text)}
.btn-sm{padding:9px 16px;font-size:.9rem;border-radius:10px}

/* ---------- Chips / tags / eyebrow ---------- */
.chip{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;color:var(--cyan);background:rgba(34,211,238,.09);border:1px solid rgba(34,211,238,.22);padding:5px 11px;border-radius:999px;width:max-content}
.chip.violet{color:#b7a6ff;background:rgba(123,97,255,.12);border-color:rgba(123,97,255,.28)}
.chip.mint{color:var(--mint);background:rgba(61,224,168,.10);border-color:rgba(61,224,168,.26)}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:.78rem;letter-spacing:.02em;color:var(--cyan);margin:0 0 14px;font-weight:500}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--grad);display:inline-block}

/* ---------- Headings ---------- */
h1,h2,h3,h4{font-family:var(--font);color:var(--text);line-height:1.12;letter-spacing:-.025em;font-weight:800}
h1{font-size:clamp(2.35rem,5.6vw,4rem);margin:.05em 0 .3em}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem);margin:0 0 .45em}
h3{font-size:1.3rem;margin:1.5em 0 .4em;letter-spacing:-.02em}
h4{font-size:1.05rem;margin:1.3em 0 .3em;letter-spacing:-.01em}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.19rem;color:var(--muted);max-width:60ch;line-height:1.6}

/* ---------- Sections ---------- */
.section{padding:82px 0}
.section-tight{padding:46px 0}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.center .eyebrow{justify-content:center}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;padding:76px 0 90px}
.hero .pill{display:inline-flex;align-items:center;gap:9px;background:var(--surface-2);border:1px solid var(--line-2);border-radius:999px;padding:7px 14px 7px 8px;font-size:.83rem;color:var(--muted);font-family:var(--mono)}
.hero .pill b{background:var(--grad);color:#0A0B14;font-weight:700;padding:2px 8px;border-radius:999px;font-family:var(--font);font-size:.74rem;letter-spacing:.02em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;gap:34px;margin-top:40px;flex-wrap:wrap}
.hero-stats .num{font-family:var(--mono);font-size:1.55rem;font-weight:600;color:var(--text)}
.hero-stats .num b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .lbl{font-size:.82rem;color:var(--faint)}

/* ---------- App card (hero signature) ---------- */
.appcard{position:relative;background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--line-2);border-radius:22px;padding:22px;box-shadow:var(--shadow);overflow:hidden}
.appcard::before{content:"";position:absolute;inset:0;border-radius:22px;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:.5;pointer-events:none}
.appcard-glow{position:absolute;top:-40%;right:-20%;width:60%;height:80%;background:radial-gradient(circle,rgba(123,97,255,.5),transparent 62%);filter:blur(34px);pointer-events:none}
.ac-head{display:flex;justify-content:space-between;align-items:flex-start;position:relative}
.ac-label{font-family:var(--mono);font-size:.74rem;color:var(--faint);letter-spacing:.02em}
.ac-balance{font-family:var(--mono);font-size:2.15rem;font-weight:600;letter-spacing:-.02em;margin-top:4px}
.ac-balance span{color:var(--faint)}
.ac-delta{display:inline-flex;align-items:center;gap:5px;font-family:var(--mono);font-size:.82rem;color:var(--mint);background:rgba(61,224,168,.1);border:1px solid rgba(61,224,168,.26);padding:5px 10px;border-radius:999px}
.ac-delta svg{width:15px;height:15px}
.ac-chart{margin:14px -4px 4px}
.ac-actions{display:flex;gap:9px;margin:8px 0 16px;flex-wrap:wrap}
.ac-chip{display:inline-flex;align-items:center;gap:7px;font-size:.85rem;color:var(--text);background:var(--surface-3);border:1px solid var(--line);padding:8px 13px;border-radius:11px}
.ac-chip svg{width:15px;height:15px;color:var(--cyan)}
.ac-tx{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);padding-top:10px}
.tx{display:grid;grid-template-columns:30px 1fr auto;align-items:center;gap:11px;padding:9px 2px}
.tx-ic{width:30px;height:30px;border-radius:9px;background:var(--surface-3);display:flex;align-items:center;justify-content:center}
.tx-ic svg{width:15px;height:15px;color:var(--muted)}
.tx-name{font-size:.9rem;color:var(--muted)}
.tx-amt{font-family:var(--mono);font-size:.88rem;color:var(--text)}
.tx-amt.pos{color:var(--mint)}

/* ---------- Grid & cards ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;color:var(--text);transition:border-color .16s ease,transform .16s ease,background .16s ease}
.card:hover{border-color:var(--line-2);transform:translateY(-3px);background:var(--surface-2);color:var(--text)}
.card-ic{width:46px;height:46px;border-radius:12px;background:var(--grad-soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--cyan)}
.card-ic svg{width:23px;height:23px}
.card h3{margin:.5em 0 .35em;font-size:1.16rem}
.card p{margin:0 0 18px;color:var(--muted);font-size:.97rem}
.card-go{margin-top:auto;width:34px;height:34px;border-radius:9px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--muted);transition:.16s}
.card-go svg{width:17px;height:17px}
.card:hover .card-go{border-color:transparent;background:var(--grad);color:#0A0B14}

/* feature card (bigger, gradient border) */
.feature{position:relative;background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--line-2);border-radius:20px;padding:30px;overflow:hidden}
.feature::after{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad)}

/* ---------- Prose ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:46px;align-items:start}
.prose{max-width:72ch}
.prose p{margin:0 0 1.15em;color:#D7D9E8}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}
.prose li{margin:.42em 0;color:#D7D9E8}
.prose h2{margin-top:1.6em}
.prose h3{color:var(--text)}
.prose strong{color:var(--text)}
.prose a{border-bottom:1px solid rgba(34,211,238,.35)}
.prose a:hover{border-bottom-color:var(--cyan)}
.prose blockquote{margin:1.5em 0;padding:18px 22px;border-left:3px solid transparent;border-image:var(--grad) 1;background:var(--surface);border-radius:0 12px 12px 0;color:var(--text);font-size:1.05rem}
.article-meta{display:flex;gap:12px;flex-wrap:wrap;align-items:center;color:var(--faint);font-size:.86rem;margin-bottom:6px;font-family:var(--mono)}
.article-meta .chip{margin-right:2px}

/* ---------- Steps ---------- */
.steps{counter-reset:step;list-style:none;padding:0;margin:1.5em 0}
.steps li{position:relative;padding:20px 22px 20px 68px;margin:0 0 14px;background:var(--surface);border:1px solid var(--line);border-radius:13px}
.steps li::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:16px;top:18px;width:38px;height:38px;border-radius:11px;background:var(--grad-soft);border:1px solid var(--line-2);color:var(--cyan);font-family:var(--mono);font-weight:600;display:flex;align-items:center;justify-content:center;font-size:.86rem}
.steps li strong{display:block;color:var(--text);font-size:1.06rem;margin-bottom:3px;letter-spacing:-.01em}

/* ---------- Callout ---------- */
.callout{display:flex;gap:15px;background:var(--surface);border:1px solid var(--line-2);border-radius:13px;padding:18px 20px;margin:1.6em 0}
.callout .k{flex:0 0 24px;color:var(--cyan)}
.callout .k svg{width:24px;height:24px}
.callout p{margin:0;color:#D7D9E8;font-size:.98rem}
.callout.warn{background:linear-gradient(180deg,rgba(255,117,151,.06),transparent);border-color:rgba(255,117,151,.3)}
.callout.warn .k{color:var(--rose)}

/* ---------- Table ---------- */
.tbl{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.95rem;background:var(--surface);border:1px solid var(--line);border-radius:13px;overflow:hidden}
.tbl th,.tbl td{padding:13px 15px;text-align:left;border-bottom:1px solid var(--line)}
.tbl th{background:var(--surface-3);color:var(--text);font-weight:600;font-size:.82rem;font-family:var(--mono);letter-spacing:.02em}
.tbl td{color:#CDD0E2}
.tbl tr:last-child td{border-bottom:none}
.tbl td:first-child{color:var(--text);font-weight:600}

/* ---------- Checklist ---------- */
.checklist{list-style:none;padding:0;margin:1.3em 0}
.checklist li{position:relative;padding:9px 0 9px 34px;border-bottom:1px solid var(--line);color:#D7D9E8}
.checklist li:last-child{border-bottom:none}
.checklist li::before{content:"";position:absolute;left:2px;top:14px;width:18px;height:18px;border-radius:6px;background:var(--grad-soft);box-shadow:inset 0 0 0 1px var(--line-2)}
.checklist li::after{content:"";position:absolute;left:7px;top:17px;width:5px;height:9px;border:solid var(--cyan);border-width:0 2px 2px 0;transform:rotate(45deg)}

/* ---------- Sidebar ---------- */
.sidebar{position:sticky;top:94px;display:flex;flex-direction:column;gap:20px}
.widget{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.widget h4{margin:0 0 12px;font-size:.98rem;font-weight:700;color:var(--text)}
.widget ul{list-style:none;margin:0;padding:0}
.widget li{padding:9px 0;border-bottom:1px solid var(--line);font-size:.93rem}
.widget li:last-child{border-bottom:none}
.widget a{color:var(--muted)}
.widget a:hover{color:var(--cyan)}

/* ---------- Ad slots ---------- */
.adslot{border:1px dashed var(--line-2);border-radius:13px;background:var(--surface);text-align:center;margin:30px 0;padding:16px}
.adlbl{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin-bottom:8px}
.adbox{min-height:90px;display:flex;align-items:center;justify-content:center;color:var(--faint);font-size:.85rem;border-radius:8px;background:repeating-linear-gradient(45deg,transparent,transparent 12px,rgba(255,255,255,.02) 12px,rgba(255,255,255,.02) 24px)}
.adslot.rectangle .adbox{min-height:250px}
.adslot.sidebar-ad .adbox{min-height:250px}

/* ---------- Post list ---------- */
.postlist{display:flex;flex-direction:column;gap:0}
.post-item{display:grid;grid-template-columns:120px 1fr;gap:22px;padding:26px 0;border-bottom:1px solid var(--line);align-items:start}
.post-item:first-child{padding-top:0}
.post-thumb{width:120px;height:120px;border-radius:13px;overflow:hidden;border:1px solid var(--line)}
.post-item h3{margin:.35em 0 .3em}
.post-item h3 a{color:var(--text)}
.post-item h3 a:hover{color:var(--cyan)}
.post-item .excerpt{color:var(--muted);margin:0 0 12px;font-size:.97rem}
.post-item .rd{font-weight:600;color:var(--cyan);font-size:.93rem;display:inline-flex;align-items:center;gap:6px}
.post-item .rd svg{width:15px;height:15px}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(123,97,255,.16),rgba(34,211,238,.10)),var(--surface);border:1px solid var(--line-2);border-radius:22px;padding:52px 44px;text-align:center}
.cta-band::before{content:"";position:absolute;top:-50%;left:50%;transform:translateX(-50%);width:60%;height:120%;background:radial-gradient(circle,rgba(123,97,255,.28),transparent 60%);filter:blur(40px)}
.cta-band>*{position:relative}
.cta-band p{color:var(--muted);max-width:56ch;margin:0 auto 8px}

/* ---------- Contact form ---------- */
.form{display:grid;gap:16px;max-width:560px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:600;font-size:.92rem;color:var(--text)}
.field input,.field textarea,.field select{font-family:inherit;font-size:1rem;padding:12px 14px;border:1px solid var(--line-2);border-radius:11px;background:var(--surface-2);color:var(--text)}
.field input::placeholder,.field textarea::placeholder{color:var(--faint)}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--violet);border-color:transparent}

/* ---------- Page hero / breadcrumb ---------- */
.page-hero{border-bottom:1px solid var(--line);padding:30px 0 48px;position:relative;overflow:hidden}
.crumb{font-size:.84rem;color:var(--faint);padding:16px 0;font-family:var(--mono)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--cyan)}

/* ---------- Feature list two-col ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:58px 0 26px;margin-top:10px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--text);font-size:1.18rem;font-weight:800;margin-bottom:12px;letter-spacing:-.02em}
.footer-brand .mark{width:30px;height:30px}
.footer-about{font-size:.93rem;color:var(--muted);max-width:38ch}
.site-footer h5{color:var(--text);font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;margin:0 0 14px;font-family:var(--mono);font-weight:500}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:8px 0}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--cyan)}
.footer-bottom{border-top:1px solid var(--line);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem;color:var(--faint);font-family:var(--mono)}
.footer-bottom a{color:var(--faint)}
.disclaimer{font-size:.78rem;color:var(--faint);max-width:82ch;margin-top:14px;line-height:1.6}

/* ---------- Utilities ---------- */
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.muted{color:var(--muted)}
.stat-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.stat{flex:1;min-width:150px;background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:18px}
.stat .v{font-family:var(--mono);font-size:1.5rem;font-weight:600}
.stat .v b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{font-size:.82rem;color:var(--faint);margin-top:2px}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:940px){
  .hero-grid,.split{grid-template-columns:1fr;gap:36px}
  .hero-grid{padding:52px 0 64px}
  .layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  body{font-size:16px}
  .section{padding:58px 0}
  .nav-burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border:1px solid var(--line-2);border-radius:11px;background:var(--surface-2);cursor:pointer}
  .nav-burger span{display:block;height:2px;width:22px;background:var(--text);margin:0 auto;transition:.2s;border-radius:2px}
  .nav-links{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;background:var(--bg-2);border-bottom:1px solid var(--line);padding:12px 22px 20px;max-height:0;overflow:hidden;opacity:0;pointer-events:none;transition:.22s ease;box-shadow:var(--shadow)}
  .nav-links a{padding:13px 12px;border-radius:10px}
  .nav-links .nav-cta{margin:8px 0 0}
  .nav-toggle:checked ~ .nav-links{max-height:560px;opacity:1;pointer-events:auto;padding-top:12px}
  .nav-toggle:checked ~ .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle:checked ~ .nav-burger span:nth-child(2){opacity:0}
  .nav-toggle:checked ~ .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media (max-width:560px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .post-item{grid-template-columns:1fr}
  .post-thumb{width:100%;height:150px}
  .cta-band{padding:36px 22px}
  .ac-balance{font-size:1.8rem}
}

/* ---------- Accessibility ---------- */
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px;border-radius:6px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}