:root{--blue:#06145f;--blue-2:#071d73;--gold:#d9a441;--gold-2:#f0c96e;--cyan:#45c7ef;--ink:#eff7ff;--muted:#d8e5f8;--paper:#ffffff;--text:#101827;--line:rgba(255,255,255,.2);--soft:rgba(255,255,255,.1);color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 18% 0%,rgba(69,199,239,.22),transparent 34%),radial-gradient(circle at 88% 8%,rgba(217,164,65,.18),transparent 28%),linear-gradient(145deg,#020733,#07145f 52%,#091f72);color:#fff;min-height:100dvh}
main{min-height:100dvh;padding:clamp(18px,4vw,58px)}
.shell{width:min(1180px,100%);margin:0 auto;display:grid;gap:22px}
.hero{display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px;align-items:center}
.brand-mark{width:64px;height:64px;border-radius:16px;background:#07145f;display:grid;place-items:center;box-shadow:0 24px 70px rgba(0,0,0,.26);border:1px solid rgba(255,255,255,.18)}
.brand-mark svg{width:44px;height:44px}
.hero-copy{display:grid;gap:8px}
.hero-copy span,.section-heading span{color:var(--gold-2);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.12em}
h1,h2,p{margin:0}
h1{font-size:clamp(36px,7vw,78px);line-height:.96;letter-spacing:0}
h2{font-size:clamp(24px,3vw,34px);line-height:1.05;letter-spacing:0}
p,li,label,small{color:var(--muted);line-height:1.55}
.hero p{max-width:920px;font-size:clamp(17px,2vw,21px)}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.button,button{min-height:44px;border-radius:8px;border:1px solid rgba(240,201,110,.72);background:linear-gradient(180deg,#f3cd74,#c99532);color:#09123f;font-weight:900;text-decoration:none;padding:11px 14px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.button.secondary,button.secondary{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.28)}
.button.quiet{background:transparent;color:#eaf2ff;border-color:rgba(255,255,255,.22)}
.button:hover,button:hover{filter:brightness(1.04)}
.overview-grid,.method-grid,.legal-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}
.support-card,.method-card,.notice-band,.contact-panel{border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);box-shadow:0 24px 70px rgba(0,0,0,.22);backdrop-filter:blur(16px);border-radius:10px;padding:18px;color:#fff;text-decoration:none}
.support-card{display:grid;gap:8px;min-height:132px}
.support-card b,.method-card b,.legal-grid b{display:block;color:#fff;font-size:20px}
.support-card span{color:#dce8fb;line-height:1.45}
.notice-band{display:grid;gap:6px;border-color:rgba(240,201,110,.44)}
.notice-band b{color:var(--gold-2);font-size:20px}
.method-grid{align-items:start}
.method-card{display:grid;gap:16px;min-width:0}
.method-card-wide{grid-column:1/-1}
.section-heading{display:grid;gap:7px}
.ars-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,360px);gap:16px;align-items:start}
.data-stack{display:grid;gap:10px}
.data-row,.copy-row{display:grid;gap:8px;border:1px solid rgba(255,255,255,.18);background:rgba(0,0,0,.12);border-radius:8px;padding:12px}
.data-row header,.copy-row header{display:flex;align-items:center;justify-content:space-between;gap:10px}
.data-row strong,.copy-row strong{color:#fff}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#06145f;background:#eef4ff;border-radius:6px;padding:4px 6px;overflow-wrap:anywhere}
.qr-panel,.crypto-result{display:grid;gap:12px}
.segmented{display:flex;gap:8px;flex-wrap:wrap}
.segmented button[aria-pressed="true"]{background:#fff;color:#07145f;border-color:#fff}
.qr{width:min(230px,100%);aspect-ratio:1/1;object-fit:contain;background:#fff;border-radius:10px;border:1px solid rgba(255,255,255,.24);padding:8px}
.qr-card{width:min(360px,100%);height:auto;object-fit:contain;border-radius:10px;border:1px solid rgba(255,255,255,.24);background:#fff}
.selector-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
label{display:grid;gap:7px;font-weight:800;color:#fff}
select,input{width:100%;min-height:44px;border-radius:8px;border:1px solid rgba(255,255,255,.26);background:rgba(255,255,255,.94);color:#101827;padding:10px 12px;font:inherit}
.warning{border:1px solid rgba(240,201,110,.62);background:rgba(217,164,65,.16);border-radius:8px;padding:12px;color:#fff;font-weight:850}
.address-box{display:grid;gap:10px}
.crypto-qr-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;align-items:start}
.contact-panel h2{margin-bottom:8px}
#copyStatus{min-height:24px;color:#fff;font-weight:800}
@media(max-width:820px){main{padding:16px}.hero{grid-template-columns:1fr}.brand-mark{width:56px;height:56px}.actions{display:grid}.button,button{width:100%}.ars-layout,.selector-grid{grid-template-columns:1fr}.method-card{padding:15px}.qr{width:210px}.qr-card{width:100%}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}