#demo-badge{position:fixed;bottom:8px;left:50%;transform:translateX(-50%);z-index:99998;padding:6px 18px;border:1px solid #fff;border-radius:30px;background:#15191eef;color:white;font:700 13px system-ui;pointer-events:none;box-shadow:0 0 15px #ffffff80}.phone-preview:after,.preview:after{content:'DEMO';position:absolute;inset:40% 0 auto;text-align:center;font:800 40px system-ui;color:#ffffff60;pointer-events:none;z-index:9999}#demo-ended{position:fixed;inset:0;z-index:100000;background:#080b0ff2;display:grid;place-items:center;color:white;font-family:system-ui;text-align:center}#demo-ended section{padding:40px;border:1px solid white;border-radius:20px;box-shadow:0 0 35px #fff8}#demo-ended a{color:white;font-size:24px}
/* Watermark stays above timer, logos and messages without intercepting controls. */
.preview::after{content:'DÉMO';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;transform:rotate(-32deg);font-family:Arial,Helvetica,sans-serif;font-size:clamp(72px,12vw,180px);font-weight:900;letter-spacing:.09em;line-height:1;color:rgba(255,255,255,.27);text-shadow:0 2px 6px #0008;-webkit-text-stroke:1px rgba(255,255,255,.35);pointer-events:none;z-index:2147483000;white-space:nowrap}
/* Subtle watermark requested: visible without competing with the countdown. */
.preview::after{color:rgba(255,255,255,.12);text-shadow:0 1px 3px #0003;-webkit-text-stroke:1px rgba(255,255,255,.16)}