body{background:#fff;font-family:Orbitron,sans-serif;display:flex;justify-content:center;align-items:center;height:100vh;margin:0}.cards-grid{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}.card-wrapper{width:380px;height:240px;perspective:1000px}.card-inner{position:relative;width:100%;height:100%;transition:transform .8s;transform-style:preserve-3d;cursor:pointer}.card-inner.is-flipped{transform:rotateY(180deg)}.card-face{position:absolute;width:100%;height:100%;border-radius:18px;backface-visibility:hidden;box-shadow:0 14px 40px #00000040;padding:20px;box-sizing:border-box}.card-back{transform:rotateY(180deg)}.bank-name{font-size:22px;color:#00f5d4;text-shadow:0 0 6px rgba(0,245,212,.8)}.chip{width:56px;height:40px;background:linear-gradient(135deg,#ccc,#888);border-radius:6px;margin-top:16px}.card-number{margin-top:20px;font-family:Courier New,monospace;font-size:18px;letter-spacing:2px;color:#eee;text-shadow:0 1px 1px #000}.card-row{display:flex;justify-content:space-between;margin-top:16px;font-size:13px;text-transform:uppercase;color:#f1f1f1}.logo{text-align:right;margin-top:5px;margin-bottom:10px;font-weight:700}.mag-strip{height:40px;background:#111;border-radius:4px;margin-top:16px}.sig-row{display:flex;justify-content:space-between;align-items:center;margin-top:20px}.signature{background:linear-gradient(90deg,#fff,#ddd);width:65%;height:28px;border-radius:4px}.cvv{background:#333;color:#fff;padding:6px 10px;border-radius:4px;font-weight:700}