/* ===== Gateway UI — mobile-first dark + orange ===== */
:root{
  --bg:#f4f8ff;--bg2:#ffffff;--or:#1557e6;--or2:#3b82f6;--or3:#0b3fc0;--bl:#1557e6;--bl2:#0b3fc0;
  --tx:#0b1a3a;--mu:#5a6a8a;--mu2:#8794b0;--ok:#0f9d6a;--bad:#e5484d;--warn:#c47f00;
  --ln:#e2e9f7;--ln2:#cfdaf1;
  --card:#ffffff;--card2:#f3f7ff;
  --r:18px;--rs:12px;--sh:0 8px 28px rgba(21,87,230,.08);
  --safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:'DM Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--tx);background:var(--bg);min-height:100vh;min-height:100dvh;font-size:15px;line-height:1.55;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body::before{content:'';position:fixed;inset:0;z-index:-2;background:radial-gradient(90% 50% at 85% -5%,rgba(59,130,246,.16),transparent 60%),radial-gradient(70% 40% at 0 0,rgba(21,87,230,.08),transparent 60%),var(--bg)}
body::after{display:none}
a{color:var(--or);text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.15;font-family:'Space Grotesk','DM Sans',sans-serif;letter-spacing:-.01em}
p{margin:0}
img{max-width:100%}
svg.ic{width:1em;height:1em;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;vertical-align:-.12em}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
.mono{font-family:'JetBrains Mono',ui-monospace,Menlo,monospace}
.muted{color:var(--mu)}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--ln);padding-top:var(--safe-t)}
.top .in{display:flex;align-items:center;justify-content:space-between;height:64px;gap:10px}
.lg{display:flex;align-items:center;gap:10px;color:var(--tx);min-width:0}
.lg img{height:38px;width:auto;max-width:190px;object-fit:contain;display:block}
.lg.big{justify-content:center;margin-bottom:10px}
.lg.big img{height:74px;max-width:100%}
.hr{display:flex;align-items:center;gap:12px}
.lang{display:flex;align-items:center;gap:6px;color:var(--mu);font-size:13px;font-weight:500}.lang svg{font-size:18px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:14px;border:1px solid var(--ln2);background:#fff;color:var(--tx);font:600 15px/1 'DM Sans',sans-serif;cursor:pointer;transition:transform .12s,box-shadow .2s,background .2s;text-decoration:none;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn.p{background:linear-gradient(180deg,#2f6df2,#1557e6);border-color:transparent;color:#fff;font-weight:700;box-shadow:0 8px 22px rgba(21,87,230,.28),inset 0 1px 0 rgba(255,255,255,.25)}
.btn.p:hover{box-shadow:0 10px 28px rgba(21,87,230,.4)}
.btn.blue{background:linear-gradient(180deg,#2f6df2,#1557e6);border-color:transparent;color:#fff;font-weight:700;box-shadow:0 8px 22px rgba(21,87,230,.28)}
.btn.out{background:#fff;border:1px solid var(--ln2);color:var(--or)}
.btn.d{color:var(--bad);border-color:rgba(229,72,77,.35);background:#fff5f5}
.btn.sm{min-height:38px;padding:0 16px;font-size:13.5px;border-radius:11px}
.btn.block{display:flex;width:100%}
.btn[disabled]{opacity:.45;pointer-events:none;filter:saturate(.6)}
.btn .ic{font-size:18px}

/* ---------- hero ---------- */
.hero{text-align:center;padding:42px 4px 26px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:99px;background:#fff;border:1px solid var(--ln);font-size:13.5px;color:var(--tx);box-shadow:var(--sh)}
.pill::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(15,157,106,.16)}
.hero h1{font-size:clamp(34px,9.4vw,60px);font-weight:700;margin:22px 0 16px;line-height:1.08}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#1557e6,#38a0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero>p{color:var(--mu);font-size:16.5px;max-width:560px;margin:0 auto 26px;line-height:1.65}
.hero .row{display:flex;flex-direction:column;gap:12px;max-width:340px;margin:0 auto}
.hero .row .btn{min-height:54px;font-size:16px}
.apid{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-weight:600;color:var(--or)}
.trust{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:26px;color:var(--mu);font-size:12.5px}
.trust span{display:inline-flex;align-items:center;gap:6px}.trust svg{color:var(--or);font-size:15px}

/* ---------- cards ---------- */
.card{background:#fff;border:1px solid var(--ln);border-radius:var(--r);padding:20px;box-shadow:var(--sh)}
.card+.card{margin-top:14px}
.card h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.f2,.f3{display:grid;gap:14px;grid-template-columns:1fr}
.f2{margin-top:6px}
.rc h4{display:flex;align-items:center;gap:10px;font-size:19px}
.soon{margin-left:auto;font-size:11px;font-weight:700;padding:4px 10px;border-radius:99px;background:#eaf1ff;color:var(--or);border:1px solid #cfdcff}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.chips span{padding:7px 15px;border:1px solid var(--ln2);border-radius:99px;font-size:13px;color:var(--tx);background:#f3f7ff}
.rb{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.rb>div{background:var(--card2);border:1px solid var(--ln);border-radius:14px;padding:13px 14px}
.rb small{display:flex;align-items:center;gap:6px;color:var(--mu);font-size:12.5px}
.rb b{display:block;font-size:20px;margin-top:6px;font-family:'Space Grotesk',sans-serif}
.rc>p{color:var(--mu);margin-top:14px;font-size:14px}
.sec{font-size:clamp(24px,6.4vw,34px);margin:46px 0 8px;font-weight:700}
.sub{color:var(--mu);margin-bottom:16px}
.f3 .card{display:grid;grid-template-columns:52px 1fr;column-gap:16px;align-items:start;padding:18px}
.f3 .card+.card{margin-top:0}
.ico{grid-row:1/3;width:52px;height:52px;border-radius:14px;border:1px solid #cfdcff;background:linear-gradient(180deg,#eaf1ff,#f6f9ff);display:grid;place-items:center;color:var(--or);font-size:24px}
.f3 h4{font-size:17px;margin:2px 0 6px}
.f3 p{color:var(--mu);font-size:14px;line-height:1.6}
.steps h2{font-size:24px;margin-bottom:18px}
.step{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--ln)}
.step:first-of-type{border-top:0}
.step i{flex:0 0 36px;height:36px;border-radius:50%;background:linear-gradient(180deg,#2f6df2,#1557e6);color:#fff;font-style:normal;font-weight:800;display:grid;place-items:center}
.step b{display:block;margin-bottom:3px;font-size:16px}.step div div{color:var(--mu);font-size:14px}
.faq{display:flex;gap:12px;align-items:flex-start;padding:16px 18px}
.faq svg{color:var(--ok);font-size:20px;margin-top:2px}
.faq b{display:block;margin-bottom:4px;font-size:15.5px}.faq span{color:var(--mu);font-size:14px;line-height:1.6}
.cta{text-align:center;margin-top:40px;background:radial-gradient(120% 140% at 50% 0,rgba(59,130,246,.18),transparent 60%),#fff}
.cta h2{font-size:26px;margin-bottom:8px}.cta p{color:var(--mu);margin-bottom:18px}

footer{margin-top:50px;border-top:1px solid var(--ln);padding:26px 16px calc(30px + var(--safe-b));text-align:center;color:var(--mu2);font-size:13px;background:#fff}
footer nav{display:flex;gap:6px 20px;justify-content:center;flex-wrap:wrap;margin-bottom:14px}
footer nav a{color:var(--mu);font-size:13.5px}

/* ---------- alerts / badges ---------- */
.alert{display:flex;gap:10px;padding:13px 15px;border-radius:14px;margin:16px 0 4px;font-size:14px;line-height:1.5;word-break:break-word;border:1px solid}
.alert.ok{background:#ecfaf4;border-color:#b5e8d3;color:#0b7a52}
.alert.err{background:#fff2f2;border-color:#f6c4c6;color:#b4232a}
.b{display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:99px;font-size:12px;font-weight:700;background:#fff6e0;color:var(--warn);border:1px solid #f3dca1}
.b.paid,.b.approved,.b.active{background:#e7f8f0;color:var(--ok);border-color:#b5e8d3}
.b.expired,.b.rejected,.b.failed,.b.blocked{background:#fff0f0;color:var(--bad);border-color:#f6c4c6}

/* ---------- forms ---------- */
label{display:block;font-size:13.5px;font-weight:600;color:var(--tx);margin:0 0 8px}
input,select,textarea{width:100%;min-height:50px;padding:0 15px;border-radius:14px;border:1px solid var(--ln2);background:#fff;color:var(--tx);font:16px/1.4 'DM Sans',sans-serif;margin-bottom:16px;transition:border .15s,box-shadow .15s;-webkit-appearance:none;appearance:none}
textarea{padding:13px 15px;min-height:96px;resize:vertical}
input::placeholder,textarea::placeholder{color:#9aa8c4}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--or);box-shadow:0 0 0 4px rgba(21,87,230,.14)}
input:disabled{opacity:.55}
input[type=checkbox]{width:20px;min-height:20px;height:20px;padding:0;margin:0;accent-color:var(--or);flex:0 0 auto;border-radius:6px}
.grid{display:grid;gap:0 12px}.g2{grid-template-columns:1fr 1fr}
.pw{position:relative}.pw input{padding-right:52px}
.pw button{position:absolute;right:4px;top:4px;width:44px;height:42px;border:0;background:none;color:var(--mu);font-size:19px;cursor:pointer;display:grid;place-items:center}
.pre{display:flex;align-items:center;border:1px solid var(--ln2);border-radius:14px;background:#fff;margin-bottom:8px;overflow:hidden}
.pre:focus-within{border-color:var(--or);box-shadow:0 0 0 4px rgba(21,87,230,.14)}
.pre span{padding:0 4px 0 16px;color:var(--mu);font-size:16px}
.pre input{border:0;background:none;margin:0;box-shadow:none!important;padding-left:6px}
.hint{color:var(--mu2);font-size:12.5px;margin:0 0 16px;line-height:1.5}
.cprow{display:flex;gap:10px;align-items:stretch;margin-bottom:16px}
.cprow img{border-radius:12px;flex:0 0 auto;height:50px;width:auto;border:1px solid var(--ln)}
.cprow input{margin:0;min-width:0;flex:1}
.cbtn{flex:0 0 50px;border-radius:14px;border:1px solid var(--ln2);background:#f3f7ff;color:var(--or);font-size:19px;cursor:pointer;display:grid;place-items:center}
.row2{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:2px 0 20px;font-size:14px}
.row2 label{display:flex;align-items:center;gap:9px;margin:0;font-weight:500;color:var(--mu)}
.row2 a{color:var(--or)}
.chk{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--mu2);margin:4px 0}
.chk svg{font-size:15px;opacity:.5}.chk.ok{color:var(--ok)}.chk.ok svg{opacity:1}
.terms{display:flex;align-items:flex-start;gap:11px;font-weight:400;color:var(--mu);font-size:13.5px;margin:6px 0 20px;line-height:1.55}
.terms input{margin-top:2px}
.curr{display:flex;align-items:center;min-height:50px;padding:0 15px;border-radius:14px;border:1px solid var(--ln2);background:#f3f7ff;font-weight:600}

/* ---------- auth ---------- */
.authwrap{min-height:calc(100dvh - 60px - var(--safe-t));display:flex;align-items:center;justify-content:center;padding:26px 0 18px}
.authcard{width:100%;max-width:440px;background:#fff;border:1px solid var(--ln);border-radius:24px;padding:30px 22px 24px;box-shadow:0 24px 70px rgba(21,87,230,.14);position:relative;overflow:hidden}
.authcard::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:linear-gradient(90deg,#1557e6,#38a0ff)}
.authcard.warm{background:#fff}
.authcard h2{text-align:center;font-size:26px;margin-top:8px}
.authcard .sb{text-align:center;color:var(--mu);margin:6px 0 22px}
.alt{text-align:center;color:var(--mu);margin-top:20px;font-size:14.5px}
.ssl{margin-top:16px;text-align:center;color:var(--mu2);font-size:12px}
.copy{text-align:center;color:var(--mu2);font-size:12.5px;padding:6px 16px calc(24px + var(--safe-b))}

/* ---------- merchant app ---------- */
.pg{padding-top:18px;padding-bottom:calc(100px + var(--safe-b))}
.pt{font-size:26px;font-weight:700;margin:6px 0 16px;font-family:'Space Grotesk',sans-serif}
.hi{display:flex;align-items:center;gap:12px;margin:4px 0 16px}
.av{width:46px;height:46px;border-radius:50%;background:linear-gradient(180deg,#2f6df2,#1557e6);color:#fff;display:grid;place-items:center;font-weight:800;font-size:19px;flex:0 0 auto;overflow:hidden}
.av img{width:100%;height:100%;object-fit:cover}
.hi small{color:var(--mu);display:block;font-size:13px}.hi b{font-size:19px;font-family:'Space Grotesk',sans-serif}
.bal{position:relative;overflow:hidden;border-radius:22px;padding:22px;background:radial-gradient(120% 120% at 100% 0,rgba(120,180,255,.55),transparent 55%),linear-gradient(160deg,#1f66f0,#0b3fc0);border:0;box-shadow:0 18px 44px rgba(21,87,230,.32)}
.bal .l{color:#d6e5ff;font-size:13.5px;display:flex;align-items:center;gap:7px}
.bal .v{font-size:38px;font-weight:700;font-family:'Space Grotesk',sans-serif;color:#fff;margin:6px 0 16px;letter-spacing:-.02em}
.bal .btn.p{background:#fff;color:var(--or);box-shadow:0 6px 18px rgba(0,20,80,.25)}
.bal .f{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.bal .mid{color:#d6e5ff;font-size:12.5px}.bal .mid b{color:#fff;font-weight:600}
.qa{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}
.qa a{display:flex;flex-direction:column;align-items:center;gap:8px;padding:14px 6px;border-radius:16px;background:#fff;border:1px solid var(--ln);color:var(--tx);font-size:12.5px;font-weight:600;box-shadow:var(--sh)}
.qa a .ic{font-size:22px;color:var(--or)}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:14px 0}
.stat{background:#fff;border:1px solid var(--ln);border-radius:16px;padding:15px 16px;box-shadow:var(--sh)}
.stat span{display:block;color:var(--mu);font-size:12.5px;margin-bottom:6px}
.stat b{font-size:21px;font-family:'Space Grotesk',sans-serif}
.stat.or b{color:var(--or)}.stat.ok b{color:var(--ok)}
.sh{display:flex;align-items:center;justify-content:space-between;margin:22px 0 10px}
.sh h3{font-size:17px;margin:0}.sh a{font-size:13.5px}
.ol{background:#fff;border:1px solid var(--ln);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh)}
.oi{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--ln)}
.oi:last-child{border-bottom:0}
.oi .oic{flex:0 0 40px;height:40px;border-radius:12px;background:#eaf1ff;color:var(--or);display:grid;place-items:center;font-size:19px}
.oi .oic.paid{background:#e7f8f0;color:var(--ok)}.oi .oic.expired{background:#fff0f0;color:var(--bad)}
.oi .m{flex:1;min-width:0}
.oi .m b{display:block;font-size:14.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.oi .m small{display:block;color:var(--mu);font-size:12.5px;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.oi .a{text-align:right;flex:0 0 auto}.oi .a b{display:block;font-family:'Space Grotesk',sans-serif;font-size:15.5px;margin-bottom:4px}
.oi.det{display:block}.oi.det .top2{display:flex;align-items:center;gap:12px}
.dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin-top:12px;padding-top:12px;border-top:1px dashed var(--ln);font-size:13px}
.dl span{color:var(--mu)}.dl b{font-weight:500;word-break:break-all;text-align:right}
.emp{padding:34px 20px;text-align:center;color:var(--mu)}
.emp .ic{font-size:34px;color:var(--mu2);display:block;margin:0 auto 10px}
.kv{display:flex;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px solid var(--ln);align-items:center}
.kv:last-child{border-bottom:0}.kv span{color:var(--mu);font-size:13.5px}.kv b{font-weight:600;text-align:right;word-break:break-all;font-size:14px}
.kv.col{flex-direction:column;align-items:stretch;gap:8px}.kv.col b{text-align:left}
.copyb{display:flex;align-items:center;gap:10px;background:#f3f7ff;border:1px solid var(--ln);border-radius:12px;padding:11px 12px;font-size:12.5px}
.copyb code{flex:1;min-width:0;word-break:break-all;font-family:'JetBrains Mono',monospace;color:var(--tx)}
.copyb button{flex:0 0 auto;border:0;background:#dfe9ff;color:var(--or);border-radius:9px;padding:7px 11px;font:600 12px 'DM Sans';cursor:pointer;display:inline-flex;gap:6px;align-items:center}
.tabs{display:flex;gap:8px;overflow-x:auto;padding:0 0 14px;margin:0 -16px;padding-left:16px;padding-right:16px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs a{flex:0 0 auto;padding:9px 18px;border-radius:99px;border:1px solid var(--ln2);color:var(--mu);font-size:14px;font-weight:600;background:#fff}
.tabs a.on{background:linear-gradient(180deg,#2f6df2,#1557e6);color:#fff;border-color:transparent}
.linkres{background:#ecfaf4;border:1px solid #b5e8d3;border-radius:14px;padding:14px;margin-bottom:16px}
.linkres b{color:#0b7a52;font-size:14px;display:flex;gap:8px;align-items:center;margin-bottom:10px}
.linkres .acts{display:flex;gap:8px;margin-top:10px}.linkres .acts .btn{flex:1}

/* bottom nav */
.bnav{position:fixed;left:0;right:0;bottom:0;z-index:40;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid var(--ln);box-shadow:0 -6px 24px rgba(21,87,230,.08);padding:8px 6px calc(8px + var(--safe-b))}
.bnav a{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--mu2);font-size:11px;font-weight:600;padding:6px 0;border-radius:12px;position:relative}
.bnav a .ic{font-size:22px}
.bnav a.on{color:var(--or)}
.bnav a.on::before{content:'';position:absolute;top:-9px;width:28px;height:3px;border-radius:0 0 4px 4px;background:var(--or)}

/* code / docs */
pre{background:#f3f7ff;border:1px solid var(--ln);border-radius:14px;padding:14px;overflow-x:auto;font:12.5px/1.65 'JetBrains Mono',ui-monospace,monospace;color:#0b2a6b;margin:12px 0;white-space:pre}
.doc p{color:var(--mu);line-height:1.75;margin:6px 0}
.doc .mono{background:#eaf1ff;padding:2px 7px;border-radius:6px;font-size:12px;color:var(--or3)}
.doc h3{margin-bottom:6px}
.ep{display:inline-block;font:700 11px 'JetBrains Mono',monospace;background:#e7f8f0;color:var(--ok);padding:4px 9px;border-radius:7px;margin-right:8px}

/* checkout */
.payb{max-width:440px;margin:22px auto 0;padding:26px 20px;text-align:center}
.payb .amt{font-size:46px;font-weight:700;font-family:'Space Grotesk',sans-serif;color:var(--tx);margin:6px 0 4px;letter-spacing:-.02em}
.payb .tomer{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:8px}
.payb .tomer .av{width:38px;height:38px;font-size:16px}
.qr{width:232px;height:232px;margin:16px auto;padding:16px;background:#fff;border-radius:20px;display:grid;place-items:center;border:1px solid var(--ln);box-shadow:0 12px 40px rgba(21,87,230,.15)}
.qr img,.qr canvas{display:block;max-width:100%}
.sec-note{display:flex;align-items:center;justify-content:center;gap:7px;color:var(--mu2);font-size:12px;margin-top:18px}
.timer{display:inline-flex;align-items:center;gap:7px;color:var(--warn);font-size:13px;font-weight:600;background:#fff6e0;border:1px solid #f3dca1;padding:6px 14px;border-radius:99px;margin:8px 0}
.res{padding:18px 0 6px}.res .big{width:78px;height:78px;border-radius:50%;display:grid;place-items:center;margin:0 auto 16px;font-size:38px}
.res .big.ok{background:#e7f8f0;color:var(--ok)}.res .big.no{background:#fff0f0;color:var(--bad)}

/* ---------- larger screens ---------- */
@media(min-width:640px){
  .f2{grid-template-columns:1fr 1fr}
  .f3{grid-template-columns:1fr 1fr}
  .hero .row{flex-direction:row;max-width:none;justify-content:center}
  .stats{grid-template-columns:repeat(4,1fr)}
}
@media(min-width:900px){
  .f3{grid-template-columns:repeat(3,1fr)}
  .f3 .card{display:block}.f3 .ico{margin-bottom:14px}
  .hero{padding-top:70px}
  .pg{max-width:760px}
}
@media(max-width:360px){.bal .v{font-size:32px}.hero h1{font-size:31px}.qa a{font-size:11.5px}}
.doc .mono{word-break:break-all}.doc{overflow:hidden}
input[type=checkbox]{-webkit-appearance:none;appearance:none;border:1.5px solid var(--ln2);background:#fff;display:inline-grid;place-items:center;cursor:pointer}
input[type=checkbox]:checked{background:var(--or);border-color:var(--or)}
input[type=checkbox]:checked::after{content:'';width:5px;height:10px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg) translate(-1px,-1px)}

.lg.big{display:flex}
@media(max-width:380px){.lg img{height:32px;max-width:150px}.lg.big img{height:60px}}
:focus-visible{outline:2px solid var(--or);outline-offset:2px}