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.purchase button.buy{background:var(--ink);color:var(--white);border-color:var(--ink);cursor:pointer;font-weight:700}
.purchase button.buy:hover{background:#28493b}
.purchase button.buy:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.purchase button.buy:disabled{opacity:.7;cursor:progress}
.thanks{max-width:720px}
.thanks h1{font-size:clamp(36px,6vw,56px);line-height:1.05;letter-spacing:-.05em;margin:0 0 18px}
.thanks .lead{font-size:18px;margin-bottom:28px}
.file-list{list-style:none;padding:0;margin:22px 0;border-top:1px solid var(--line)}
.file-list li{border-bottom:1px solid var(--line);padding:13px 0;font-weight:650}