:root{--bg:#f3f6f2;--paper:#fcfdfb;--ink:#152821;--muted:#496158;--line:#d6e2d9;--green:#124a37;--lime:#e4ffa8;--mint:#dbebe2;font-family:Inter,Geist,system-ui,sans-serif;color:var(--ink);background:var(--bg);font-size:16px}
*,*::before,*::after{box-sizing:border-box}
body{margin:0}
[hidden]{display:none!important}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid #319070;outline-offset:4px}
button,input,select{font:inherit}
.wrap{width:min(1110px,calc(100% - 72px));margin-inline:auto}
.bar{height:81px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:780;letter-spacing:-.045em;font-size:1.35rem}
nav{display:flex;align-items:center;gap:27px;font-size:.9rem;font-weight:660}
.nav-action{padding:11px 15px;border:1px solid var(--line);border-radius:9px}
.hero{display:grid;grid-template-columns:1.16fr .84fr;gap:44px;align-items:center;padding:76px 0 66px}
.tag{font-size:.74rem;font-weight:750;letter-spacing:.13em;text-transform:uppercase}
.intro .tag{display:inline-flex;align-items:center;gap:7px;margin:0 0 16px;padding:7px 10px;border-radius:5px;background:var(--mint);color:var(--green)}
.tag span,.preview-state span{width:7px;height:7px;border-radius:50%;background:#327054;display:inline-block}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(3.8rem,7.6vw,6.55rem);line-height:.93;letter-spacing:-.085em;margin-bottom:24px;font-weight:760}
.lead{font-size:clamp(1rem,1.75vw,1.2rem);line-height:1.55;color:var(--muted);max-width:490px;margin-bottom:25px}
.button{border:0;border-radius:9px;background:var(--green);color:white;font-weight:695;padding:13px 18px;display:inline-flex;justify-content:space-between;gap:17px;align-items:center;cursor:pointer}
.button:hover{background:#1c6049}
.button:disabled{opacity:.55;cursor:wait}
.preview{padding:19px;background:#163f33;border-radius:22px;color:#ecf7ef;max-width:450px;width:100%;justify-self:end;box-shadow:0 16px 37px #21433124}
.preview-top{display:flex;justify-content:space-between;align-items:center;padding:0 4px 13px;font-weight:700}
.preview-top span:nth-child(2){font-size:.62rem;font-weight:700;letter-spacing:.15em;color:#c1decc}
.preview-body{min-height:264px;background:#fcfefa;color:var(--ink);border-radius:14px;padding:19px;text-align:center}
.preview-body>span{display:block;font-size:.83rem;color:var(--muted);margin-bottom:4px}
.preview-body strong{font-size:2.9rem;line-height:1;letter-spacing:-.065em}
.preview-body strong small{font-size:.88rem;letter-spacing:.05em}
.scan{width:132px;height:132px;margin:13px auto 10px;display:grid;place-items:center;background:#eef5ee;border-radius:18px}
.preview-state{font-size:.77rem;font-weight:650;display:inline-flex;align-items:center;gap:6px}
.channels{border-top:1px solid var(--line);padding:32px 0 50px}
h2{font-size:clamp(1.8rem,3.4vw,2.7rem);line-height:1.06;letter-spacing:-.055em;margin-bottom:20px}
.channels-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.channels article{background:var(--paper);border:1px solid var(--line);padding:21px;border-radius:12px;display:flex;flex-direction:column;align-items:start}
.channel-number{font-size:.69rem;letter-spacing:.12em;font-weight:750;color:#396652;margin-bottom:11px}
.channels h3{font-size:1.35rem;letter-spacing:-.04em;margin-bottom:6px}
.channels p,.demo-heading p{line-height:1.53;color:var(--muted);margin-bottom:14px}
.channels a{font-size:.86rem;font-weight:730;color:var(--green);margin-top:auto}
.demo{background:var(--mint);padding:34px;border:1px solid #cbded1;border-radius:17px;margin-bottom:51px;scroll-margin-top:15px}
.demo-heading h2{margin-bottom:8px}
.workbench{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}
form,.panel{background:var(--paper);border:1px solid #cbded1;padding:21px;border-radius:11px}
form label{font-size:.82rem;font-weight:740;display:block;margin-bottom:6px}
form input,form select{width:100%;padding:10px;border:1px solid #b7cdbf;border-radius:6px;margin-bottom:15px;min-height:43px;background:white;color:var(--ink)}
#feedback:empty,#action-feedback:empty{display:none}
#feedback,#action-feedback{font-size:.82rem;color:var(--muted);margin:10px 0 0}
.panel .tag{margin-bottom:7px;color:var(--muted)}
.panel .amount{font-size:2.6rem;letter-spacing:-.07em;font-weight:750;margin:0 0 7px}
.panel .amount span{font-size:.85rem;letter-spacing:.08em}
.status{font-weight:690;margin-bottom:12px}
#expiry{font-size:.83rem;color:var(--muted)}
#pay-qr{display:block;max-width:100%;height:auto;border:1px solid var(--line);border-radius:7px;margin:10px 0}
.actions{display:flex;gap:7px;flex-wrap:wrap}
.small{padding:8px 10px;border:1px solid #b7cdbf;border-radius:6px;background:white;color:var(--green);font-weight:650;font-size:.78rem;cursor:pointer}
.small:hover,.nav-action:hover{background:#eaf3eb}
.foot{display:flex;justify-content:space-between;align-items:center;gap:13px;padding:19px 0 27px;border-top:1px solid var(--line);font-size:.84rem;color:var(--muted)}
.foot .brand{color:var(--ink)}
.payment-view .hero,.payment-view .channels,.payment-view form,.payment-view nav,.payment-view .demo-heading p{display:none}
.payment-view main{width:min(565px,calc(100% - 32px))}
.payment-view .demo{margin-top:35px}
.payment-view .workbench{display:block}
@media(max-width:760px){
 .wrap{width:calc(100% - 34px)}
 .bar{height:66px}
 nav{gap:11px;font-size:.8rem}
 nav a:first-child{display:none}
 .nav-action{padding:8px 10px}
 .hero{grid-template-columns:1fr;gap:29px;padding:41px 0 35px}
 h1{font-size:clamp(3.35rem,12vw,5rem)}
 .preview{justify-self:start}
 .channels-grid,.workbench{grid-template-columns:1fr}
 .demo{padding:15px}
 form,.panel{padding:15px}
 .foot{flex-wrap:wrap}
}
@media print {
 .bar,.hero,.channels,.demo-heading,form,.foot,.actions,#expiry,#pay-qr,#action-feedback{display:none!important}
 .wrap,.demo,.workbench,.panel{width:auto!important;margin:0;border:0;padding:0;display:block}
}