:root{--paper:#f4f1ea;--ink:#171715;--muted:#7d7971;--line:rgba(23,23,21,.14);--shadow:0 22px 45px rgba(38,34,29,.18),0 4px 12px rgba(38,34,29,.08)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif}body{min-height:100svh;background:radial-gradient(circle at 50% 18%,rgba(255,255,255,.9),rgba(255,255,255,0) 36%),linear-gradient(180deg,#f7f5ef 0%,#f1eee6 100%)}
.shell{width:min(100%,520px);min-height:100svh;margin:0 auto;padding:calc(env(safe-area-inset-top) + 52px) 24px calc(env(safe-area-inset-bottom) + 34px);display:flex;flex-direction:column;align-items:center}.brand{font-size:22px;letter-spacing:.52em;margin-left:.52em;font-weight:400;line-height:1;color:#161614}.card-stage{width:100%;margin-top:118px;perspective:1500px}.business-card{display:block;width:100%;padding:0;border:0;background:none;cursor:pointer;aspect-ratio:1800/1165;border-radius:16px;outline-offset:7px;-webkit-tap-highlight-color:transparent}.card-inner{display:block;position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform 720ms cubic-bezier(.22,.75,.18,1);filter:drop-shadow(0 22px 22px rgba(45,39,31,.15))}.business-card.is-flipped .card-inner{transform:rotateY(180deg)}.card-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);background:#f7f5ef}.card-face img{display:block;width:100%;height:100%;object-fit:cover;user-select:none;-webkit-user-select:none}.card-back{transform:rotateY(180deg)}.flip-hint{margin-top:38px;border:0;background:none;color:var(--muted);font:inherit;letter-spacing:.12em;display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer}.flip-icon{font-size:30px;line-height:1;font-weight:200;transform:rotate(-18deg)}.secondary-action{margin-top:29px;min-height:58px}.is-hidden{visibility:hidden}.actions{margin-top:auto;width:100%;display:grid;grid-template-columns:1.05fr .95fr;gap:14px;padding-top:54px}.action{height:68px;border-radius:34px;display:flex;align-items:center;justify-content:center;gap:12px;text-decoration:none;font-family:Georgia,"Times New Roman",serif;font-size:21px;white-space:nowrap;cursor:pointer;-webkit-tap-highlight-color:transparent}.action-primary{background:#1d1d1a;color:#f7f4ed;border:1px solid #1d1d1a}.action-secondary{background:rgba(255,255,255,.18);color:#171715;border:1px solid var(--line)}.secondary-action .action{height:58px;padding:0 27px}.wallet-glyph,.share-glyph{font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;font-size:22px}.status{min-height:20px;margin:18px 0 0;color:var(--muted);font-size:12px;text-align:center}
@media(max-width:480px){.shell{padding-left:18px;padding-right:18px}.brand{font-size:19px}.card-stage{margin-top:105px}.action{font-size:18px;height:62px}}@media(max-height:760px){.shell{padding-top:32px}.card-stage{margin-top:62px}.actions{padding-top:34px}.flip-hint{margin-top:26px}}@media(prefers-reduced-motion:reduce){.card-inner{transition:none}}