:root{color-scheme:light;--text:#25232d;--muted:#64616e;--pink:#d92361}
*{box-sizing:border-box}
body{margin:0;min-height:100svh;display:grid;place-items:center;padding:20px 16px;background:#f4f4f7;color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}
.invitation{width:100%;max-width:420px;padding:28px 24px 20px;background:#fff;border:1px solid #e9e7ee;border-radius:24px;box-shadow:0 12px 42px #2921390a;text-align:center}
.site-label{font-size:11px;font-weight:600;letter-spacing:.3px;color:var(--muted);margin:0 0 16px}
h1{font-size:clamp(27px,7.6vw,34px);line-height:1.12;letter-spacing:-1px;margin:0 0 14px}
.subtitle{font-size:15px;line-height:1.5;color:var(--muted);margin:0 auto;max-width:330px}
.reward-visual{display:grid;place-items:center;padding:22px 0}
.reward-card{width:225px;max-width:100%;min-height:116px;padding:16px 20px;border:1px solid #f3d9e2;border-radius:15px;background:linear-gradient(120deg,#fff2f7,#faf4ff);display:flex;flex-direction:column;align-items:center;box-shadow:0 6px 18px #d9236108}
.gift-icon{font-size:30px;line-height:1.2;margin-bottom:6px}.reward-label{font-size:15px;font-weight:750}.reward-caption{font-size:10px;color:var(--muted);margin-top:4px}
.button{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:56px;padding:15px 10px;border-radius:12px;background:var(--pink);color:#fff;font-size:15px;font-weight:750;text-decoration:none;transition:background .15s}
.button[href]:hover{background:#bd194f}.button[aria-disabled=true]{cursor:default}.link-status{font-size:11px;color:var(--muted);margin:8px 0}.disclosure{font-size:11px;line-height:1.55;color:var(--muted);margin:14px 0 6px}.independent{font-size:10px;color:var(--muted);margin:0 0 16px}
.privacy{border-top:1px solid #eeedf2;padding-top:12px;text-align:left;color:var(--muted)}summary{display:flex;justify-content:space-between;align-items:center;min-height:32px;font-size:11px;cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}summary:after{content:'+'}details[open]>summary:after{content:'−'}.privacy p{font-size:11px;line-height:1.6;margin:8px 0}
a:focus-visible,summary:focus-visible{outline:3px solid #842444;outline-offset:4px}[hidden]{display:none!important}
@media(max-width:360px){body{padding:12px}.invitation{padding:24px 18px 16px}.button{font-size:13px}.reward-visual{padding:18px 0}}
@media(prefers-reduced-motion:reduce){.button{transition:none}}