:root{
  --green:#16a34a;
  --green-dark:#15803d;
  --green-darker:#166534;
  --green-light:#22c55e;
  --green-50:#f0fdf4;
  --green-100:#dcfce7;
  --ink:#0b1f16;
  --muted:#5b6b62;
  --line:#e3ece7;
  --white:#ffffff;
  --shadow:0 10px 40px rgba(16,163,74,.10);
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Poppins","Segoe UI",system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo-box{
  background:#0b1f16;border-radius:12px;padding:8px 12px;display:flex;align-items:center;
  box-shadow:var(--shadow);
}
.brand img{height:34px;width:auto}
.brand .brand-text{font-weight:700;font-size:20px;letter-spacing:-.02em}
.brand .brand-text span{color:var(--green)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a.link{font-weight:500;color:var(--muted);font-size:15px;transition:color .2s}
.nav-links a.link:hover{color:var(--green)}
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  font-weight:600;font-size:15px;border:none;cursor:pointer;
  padding:12px 26px;border-radius:999px;transition:transform .15s ease,box-shadow .2s ease,background .2s ease;
}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 22px rgba(22,163,74,.35)}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(22,163,74,.45)}
.btn-ghost{background:var(--green-50);color:var(--green-darker)}
.btn-ghost:hover{background:var(--green-100)}
.btn-block{width:100%}
.btn-lg{padding:15px 34px;font-size:16px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 400px at 85% -10%,var(--green-100),transparent 60%),
  linear-gradient(180deg,#fff, var(--green-50));
  padding:80px 0 90px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  color:var(--green-darker);font-weight:600;font-size:13px;padding:8px 16px;border-radius:999px;box-shadow:var(--shadow)}
.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--green-light);box-shadow:0 0 0 4px rgba(34,197,94,.2)}
.hero h1{font-size:clamp(34px,5vw,56px);line-height:1.05;letter-spacing:-.03em;margin:22px 0 18px;font-weight:700}
.hero h1 .g{background:linear-gradient(90deg,var(--green-light),var(--green-darker));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;color:var(--muted);max-width:520px}
.hero-cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.trust{display:flex;gap:28px;margin-top:34px;flex-wrap:wrap}
.trust .t{}
.trust .t strong{display:block;font-size:24px;color:var(--ink)}
.trust .t span{font-size:13px;color:var(--muted)}

/* hero card */
.hero-card{background:#0b1f16;border-radius:24px;padding:26px;color:#fff;box-shadow:0 30px 60px rgba(11,31,22,.35);position:relative}
.hero-card::before{content:"";position:absolute;inset:0;border-radius:24px;background:
  radial-gradient(400px 200px at 80% 0,rgba(34,197,94,.25),transparent 60%)}
.hero-card .hc-top{display:flex;justify-content:space-between;align-items:center;position:relative}
.hero-card .hc-top .live{display:flex;align-items:center;gap:8px;font-size:13px;color:#c8f7d6}
.hero-card .hc-top .live .dot{width:8px;height:8px;border-radius:50%;background:var(--green-light);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.6)}70%{box-shadow:0 0 0 10px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.hero-card .amount{font-size:40px;font-weight:700;margin:18px 0 4px;position:relative}
.hero-card .amount small{font-size:16px;color:#9fe6b4;font-weight:500}
.hero-card .sub{color:#9fb3a7;font-size:13px;position:relative}
.hc-row{display:flex;justify-content:space-between;padding:14px 0;border-top:1px solid rgba(255,255,255,.08);font-size:14px;position:relative}
.hc-row span{color:#9fb3a7}
.hc-row b{color:#fff;font-weight:600}
.badge-ok{background:rgba(34,197,94,.18);color:#7bed9a;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}

/* ---------- Sections ---------- */
.section{padding:78px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 52px}
.section-head .pill{margin-bottom:16px}
.section-head h2{font-size:clamp(28px,3.6vw,40px);letter-spacing:-.02em;line-height:1.1}
.section-head p{color:var(--muted);margin-top:12px;font-size:17px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--green-100)}
.card .ic{width:52px;height:52px;border-radius:14px;background:var(--green-50);color:var(--green);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15px}

/* steps */
.steps{background:var(--green-50)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:#fff;border-radius:var(--radius);padding:26px;border:1px solid var(--line);position:relative}
.step .num{width:38px;height:38px;border-radius:50%;background:var(--green);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.step h4{font-size:17px;margin-bottom:6px}
.step p{color:var(--muted);font-size:14px}

/* cta band */
.cta-band{background:linear-gradient(120deg,var(--green-darker),var(--green));color:#fff;border-radius:26px;padding:56px;text-align:center;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(500px 220px at 20% 0,rgba(255,255,255,.15),transparent 60%)}
.cta-band h2{font-size:clamp(26px,3.4vw,38px);position:relative}
.cta-band p{opacity:.9;margin:12px auto 26px;max-width:520px;position:relative}
.cta-band .btn-primary{background:#fff;color:var(--green-darker);position:relative}
.cta-band .btn-primary:hover{background:#f0fdf4}

/* ---------- Footer ---------- */
.site-footer{background:#08160f;color:#c6d4cd;padding:56px 0 26px;margin-top:10px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.site-footer .brand-text{color:#fff}
.site-footer p{color:#8ea79b;font-size:14px;margin-top:14px;max-width:320px}
.foot-col h5{color:#fff;font-size:15px;margin-bottom:16px}
.foot-col a{display:block;color:#8ea79b;font-size:14px;margin-bottom:10px;transition:color .2s}
.foot-col a:hover{color:var(--green-light)}
.tg{display:inline-flex;align-items:center;gap:10px;background:rgba(34,197,94,.12);color:#7bed9a;padding:10px 16px;border-radius:12px;font-weight:600;margin-top:6px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding-top:22px;text-align:center;color:#6f8a7d;font-size:13px}

/* ---------- Auth page ---------- */
.auth-wrap{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}
.auth-visual{background:
  radial-gradient(600px 300px at 30% 20%,rgba(34,197,94,.25),transparent 60%),
  #08160f;color:#fff;padding:60px;display:flex;flex-direction:column;justify-content:space-between}
.auth-visual .logo-box{background:#0b1f16;border-radius:12px;padding:8px 14px;display:inline-flex;width:fit-content}
.auth-visual img{height:34px}
.auth-visual h2{font-size:34px;margin-top:auto;letter-spacing:-.02em;line-height:1.15}
.auth-visual p{color:#9fb3a7;margin-top:14px;max-width:360px}
.auth-visual .vfeat{display:flex;gap:12px;margin-top:16px;align-items:center;color:#c6d4cd;font-size:15px}
.auth-visual .vfeat .ok{color:var(--green-light)}
.auth-form-side{display:flex;align-items:center;justify-content:center;padding:40px}
.auth-card{width:100%;max-width:420px}
.auth-card h1{font-size:30px;letter-spacing:-.02em}
.auth-card .sub{color:var(--muted);margin:8px 0 30px}
.field{margin-bottom:20px}
.field label{display:block;font-weight:600;font-size:14px;margin-bottom:8px}
.field input{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:12px;font-size:15px;transition:border-color .2s,box-shadow .2s;font-family:inherit}
.field input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 4px rgba(34,197,94,.15)}
.alert{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;padding:12px 16px;border-radius:12px;font-size:14px;margin-bottom:20px}
.back-home{color:var(--muted);font-size:14px;margin-top:24px;display:inline-flex;align-items:center;gap:6px}
.back-home:hover{color:var(--green)}

/* ---------- Dashboard ---------- */
.dash-body{background:var(--green-50);min-height:100vh}
.dash-top{background:#08160f;color:#fff}
.dash-top .nav{height:72px}
.dash-top .logo-box{background:#0b1f16;border-radius:10px;padding:6px 10px;display:flex}
.dash-top .logo-box img{height:28px}
.dash-user{display:flex;align-items:center;gap:16px}
.dash-user .who{font-size:14px;color:#c6d4cd}
.dash-user .who b{color:#fff}
.logout-btn{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.15);padding:9px 18px;border-radius:999px;font-weight:600;font-size:14px;cursor:pointer;transition:background .2s}
.logout-btn:hover{background:rgba(239,68,68,.25);border-color:rgba(239,68,68,.4)}
.dash-main{padding:38px 0 70px}
.dash-hello h1{font-size:28px;letter-spacing:-.02em}
.dash-hello p{color:var(--muted);margin-top:4px}
.balance-card{background:linear-gradient(120deg,var(--green-darker),var(--green));color:#fff;border-radius:22px;padding:32px;margin:26px 0;position:relative;overflow:hidden;box-shadow:0 24px 50px rgba(22,163,74,.25)}
.balance-card::after{content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.08)}
.balance-card .lab{font-size:14px;opacity:.85;position:relative}
.balance-card .val{font-size:46px;font-weight:700;margin-top:6px;position:relative}
.balance-card .val small{font-size:18px;font-weight:500;opacity:.85}
.balance-card .cur{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);padding:6px 14px;border-radius:999px;font-size:14px;font-weight:600;margin-top:14px;position:relative}
.info-note{background:#fff;border:1px solid var(--line);border-left:4px solid var(--green);border-radius:14px;padding:20px 22px;display:flex;gap:14px;align-items:flex-start;margin-bottom:26px}
.info-note .ic{color:var(--green);flex-shrink:0}
.info-note p{font-size:15px;color:var(--ink)}
.info-note p b{color:var(--green-darker)}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:26px}
.panel .ph{padding:20px 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.panel .ph h3{font-size:17px}
.panel .ph .ic{color:var(--green)}
.cred-list{padding:8px 24px 20px}
.cred{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 0;border-bottom:1px dashed var(--line);flex-wrap:wrap}
.cred:last-child{border-bottom:none}
.cred .k{color:var(--muted);font-size:14px;font-weight:500}
.cred .v-wrap{display:flex;align-items:center;gap:10px}
.cred .v{font-family:"SF Mono",Menlo,Consolas,monospace;font-size:14px;font-weight:600;background:var(--green-50);color:var(--green-darker);padding:7px 14px;border-radius:9px;word-break:break-all}
.copy-btn{background:#fff;border:1px solid var(--line);width:34px;height:34px;border-radius:9px;cursor:pointer;color:var(--muted);display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}
.copy-btn:hover{border-color:var(--green);color:var(--green)}
.copy-btn.done{background:var(--green);color:#fff;border-color:var(--green)}

/* test transaction */
.test-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.test-amount{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin:18px 0 22px}
.test-amount .chip{background:var(--green-50);border:1px solid var(--green-100);border-radius:14px;padding:16px 22px;text-align:center}
.test-amount .chip .n{font-size:26px;font-weight:700;color:var(--green-darker)}
.test-amount .chip .l{font-size:13px;color:var(--muted)}
.test-amount .eq{font-size:24px;color:var(--muted);font-weight:600}
.step-flow{margin-top:6px}
.verify-box{border:1px dashed var(--green);background:var(--green-50);border-radius:14px;padding:24px;margin-top:20px}
.verify-box h4{display:flex;align-items:center;gap:8px;font-size:17px;color:var(--green-darker)}
.verify-box p{color:var(--muted);font-size:14px;margin:8px 0 16px}
.file-drop{border:2px dashed var(--green-100);border-radius:12px;padding:22px;text-align:center;background:#fff;cursor:pointer;transition:border-color .2s}
.file-drop:hover{border-color:var(--green)}
.file-drop input{display:none}
.file-drop .ic{color:var(--green);margin-bottom:8px}
.file-drop span{font-size:14px;color:var(--muted)}
.file-name{font-size:14px;color:var(--green-darker);font-weight:600;margin-top:10px}
.success-note{background:#f0fdf4;border:1px solid var(--green-100);border-radius:14px;padding:20px;display:flex;gap:12px;align-items:flex-start;margin-bottom:20px}
.success-note .ic{color:var(--green)}
.small-print{font-size:13px;color:var(--muted);margin-top:12px;text-align:center}
.hidden{display:none}

/* responsive */
@media(max-width:900px){
  .hero-grid,.foot-grid{grid-template-columns:1fr}
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .auth-wrap{grid-template-columns:1fr}
  .auth-visual{display:none}
  .nav-links a.link{display:none}
}
@media(max-width:560px){
  .grid-3,.grid-4{grid-template-columns:1fr}
  .cta-band{padding:36px 22px}
  .container{padding:0 18px}
}