:root{
  --bg:#f6f7fb;--surface:#ffffff;--surface-2:#f1f2f8;--text:#111327;--muted:#5b6078;--line:#e3e5ef;
  --accent:#4f46e5;--accent-ink:#ffffff;--accent-soft:#eef0ff;--ok:#0f8a5f;--ok-soft:#e6f6ef;--warn:#9a5b00;--warn-soft:#fff4e0;--bad:#c0322b;--bad-soft:#fdecea;
  --radius:14px;--shadow:0 1px 2px rgba(17,19,39,.05),0 8px 24px rgba(17,19,39,.06);
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0d0f1a;--surface:#151829;--surface-2:#1c2036;--text:#eef0fb;--muted:#a3a8c3;--line:#2a2f4a;
  --accent:#8b85ff;--accent-ink:#0d0f1a;--accent-soft:#25264a;--ok:#4cd39b;--ok-soft:#12372b;--warn:#ffc266;--warn-soft:#3a2a10;--bad:#ff8a80;--bad-soft:#3d1a1a;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35);
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 var(--font)}
a{color:var(--accent)}
img,svg{display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--surface);padding:8px 12px;border-radius:8px;z-index:9}

/* header */
.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.01em;color:var(--text);text-decoration:none}
.brand img{width:30px;height:30px}
.nav{display:flex;gap:22px;font-size:15px}
.nav a{color:var(--muted);text-decoration:none}.nav a:hover{color:var(--text)}

/* hero */
.hero{padding:44px 0 8px}
.hero-grid{display:grid;grid-template-columns:1fr;gap:28px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:700;font-size:13px}
.chip i{width:8px;height:8px;border-radius:50%;background:currentColor}
h1{font-size:clamp(30px,4.6vw,46px);line-height:1.1;letter-spacing:-.025em;margin:14px 0 12px}
.lead{color:var(--muted);font-size:18px;max-width:560px;margin:0}
.trust{display:flex;flex-wrap:wrap;gap:10px 22px;margin:22px 0 0;padding:0;list-style:none;color:var(--muted);font-size:14px}
.trust li{display:flex;align-items:center;gap:8px}
.trust li:before{content:"";width:16px;height:16px;border-radius:50%;background:var(--ok-soft);box-shadow:inset 0 0 0 5px var(--ok-soft),inset 0 0 0 16px var(--ok)}

/* top-up panel */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:24px}
.step{padding:6px 0 22px;border-bottom:1px solid var(--line);margin-bottom:20px}
.step:last-of-type{border-bottom:0;margin-bottom:6px;padding-bottom:6px}
.step h2{display:flex;align-items:center;gap:10px;font-size:17px;margin:0 0 12px}
.step h2 b{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-size:13px}
label.field{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
.row{display:flex;gap:10px}
input[type=text],input[type=email]{width:100%;min-width:0;height:48px;border:1px solid var(--line);background:var(--surface-2);color:var(--text);border-radius:12px;padding:0 14px;font:inherit}
input:focus-visible,button:focus-visible,.pack:focus-within{outline:3px solid color-mix(in srgb,var(--accent) 45%,transparent);outline-offset:2px}
.hint{color:var(--muted);font-size:13px;margin:8px 0 0}
.status{font-size:14px;margin:8px 0 0;min-height:1.4em}
.status.ok{color:var(--ok)}.status.bad{color:var(--bad)}.status.wait{color:var(--muted)}
.btn{height:48px;padding:0 18px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--text);font:inherit;font-weight:700;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:var(--accent)}
.btn-primary{width:100%;height:54px;border:0;background:var(--accent);color:var(--accent-ink);font-size:17px}
.btn-primary:disabled{opacity:.45;cursor:not-allowed}
.packs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.pack{position:relative;display:block;border:1.5px solid var(--line);border-radius:var(--radius);padding:16px 14px 14px;cursor:pointer;background:var(--surface)}
.pack input{position:absolute;opacity:0;pointer-events:none}
.pack:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.pack .credits{font-size:21px;font-weight:800;letter-spacing:-.01em}
.pack .unit{color:var(--muted);font-size:13px}
.pack .price{margin-top:8px;font-weight:700}
.pack .bonus{position:absolute;top:-10px;right:10px;background:var(--ok);color:#fff;font-size:12px;font-weight:800;padding:2px 8px;border-radius:999px}
.summary{display:grid;gap:6px;background:var(--surface-2);border-radius:var(--radius);padding:14px 16px;margin:4px 0 16px;font-size:15px}
.summary div{display:flex;justify-content:space-between;gap:12px}
.summary dt{color:var(--muted)}.summary dd{margin:0;font-weight:600;text-align:right;overflow-wrap:anywhere}
.summary .total{border-top:1px solid var(--line);padding-top:8px;margin-top:4px;font-size:17px}
.note{color:var(--muted);font-size:13px;text-align:center;margin:12px 0 0}
.alert{border-radius:12px;padding:12px 14px;font-size:14px;margin:0 0 14px}
.alert.bad{background:var(--bad-soft);color:var(--bad)}.alert.warn{background:var(--warn-soft);color:var(--warn)}
[hidden]{display:none!important}

/* sections */
section.block{padding:56px 0 8px}
h2.title{font-size:28px;letter-spacing:-.02em;margin:0 0 20px}
.steps3{display:grid;grid-template-columns:1fr;gap:14px;counter-reset:s}
.steps3 article{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.steps3 h3{margin:0 0 6px;font-size:17px}.steps3 p{margin:0;color:var(--muted)}
.steps3 h3:before{counter-increment:s;content:counter(s);display:inline-grid;place-items:center;width:24px;height:24px;margin-right:10px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-size:13px}
details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:0 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:700;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--muted);font-weight:400;font-size:20px;line-height:1}
details[open] summary:after{content:"–"}
details p{margin:0 0 16px;color:var(--muted)}

/* footer */
footer{margin-top:64px;border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);font-size:14px}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}
.foot nav{display:flex;flex-wrap:wrap;gap:18px}
.foot a{color:var(--muted)}

/* order + legal pages */
.narrow{max-width:640px}
.state{text-align:center;padding:36px 24px}
.state .icon{width:64px;height:64px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;font-size:30px;font-weight:800}
.icon.ok{background:var(--ok-soft);color:var(--ok)}.icon.wait{background:var(--accent-soft);color:var(--accent)}.icon.bad{background:var(--bad-soft);color:var(--bad)}.icon.warn{background:var(--warn-soft);color:var(--warn)}
.state h1{font-size:28px;margin:0 0 8px}
.state p{color:var(--muted);margin:0 auto 18px;max-width:440px}
.spinner{width:22px;height:22px;border:3px solid var(--accent-soft);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spinner{animation:none}}
.legal{padding:40px 0}
.legal h1{font-size:34px;margin:0 0 6px}
.legal h2{font-size:19px;margin:28px 0 8px}
.legal p,.legal li{color:var(--muted)}
.legal .updated{color:var(--muted);font-size:14px;margin:0 0 20px}

@media (min-width:880px){
  .hero-grid{grid-template-columns:1.05fr 1fr;align-items:start;gap:48px}
  .hero-copy{padding-top:34px;position:sticky;top:96px}
  .steps3{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:520px){
  .nav{display:none}
  .panel{padding:18px;border-radius:16px}
  .packs{gap:10px}
  .pack .credits{font-size:18px}
}
a.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;margin:4px}
.state a.btn-primary{width:auto;padding:0 26px}
.faq-list{max-width:760px}
main.narrow>.panel{margin-top:40px}

/* embedded checkout (inline, replaces the form) */
.checkout-panel{padding:0;overflow:hidden;display:flex;flex-direction:column;scroll-margin-top:84px}
.checkout-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;border-bottom:1px solid var(--line);font-size:14px}
.btn-link{background:none;border:0;padding:6px 0;color:var(--accent);font:inherit;font-weight:700;cursor:pointer}
.checkout-panel #pay-frame{display:block;width:100%;height:760px;border:0;background:#fff}
#pay-mount{min-height:480px;padding:8px 0;background:#fff}
.checkout-foot{margin:0;padding:10px 16px;font-size:13px;color:var(--muted);border-top:1px solid var(--line)}
@media (max-width:520px){.checkout-panel #pay-frame{height:820px}}

/* embedded in a partner page (iframe): no site chrome, the host page provides it */
.framed .top,.framed footer{display:none}
.framed main.narrow>.panel{margin-top:0}
body.pay{background:transparent}
.pay-main{max-width:560px;margin:0 auto;padding:4px}
.pay .panel{box-shadow:none}
.account-locked #account-row,.account-locked label[for=account],.account-locked #account-hint{display:none}