.clock-card{box-sizing:border-box;text-align:center;color:#fff;background:#1c1c1c;border:1px solid #333;border-radius:16px;width:min(320px,100%);padding:2rem;box-shadow:0 8px 30px #0000004d}.time{letter-spacing:.06em;white-space:nowrap;font-size:clamp(2.5rem,8vw,3.5rem);font-weight:600}.date{color:#aaa;margin-top:.75rem;font-size:1rem}@media (width<=480px){.clock-card{padding:1.5rem}.date{font-size:.9rem}}