:root{color-scheme:dark;font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:#03252c;color:#f3f5e9}
*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;overflow:hidden}
body{min-height:100svh}
#water{position:fixed;inset:0;display:block;width:100%;height:100%;touch-action:none;cursor:crosshair;outline:none}
#water:focus-visible{outline:2px solid #b9e9df;outline-offset:-8px}
.signature{position:fixed;z-index:2;left:20px;right:20px;top:50%;transform:translateY(-50%);text-align:center;pointer-events:none;user-select:none}
.floor-logo-slot{width:min(50vw,340px,46svh);aspect-ratio:888/730;margin:0 auto clamp(20px,3vh,32px)}
h1{margin:0;font-weight:400;text-shadow:0 3px 16px #00222bcc,0 0 42px #00242eaa;line-height:1.24}
.slogan-lead{display:block;margin-bottom:12px;font-size:clamp(25.5px,2.55vw,36px);font-weight:700;letter-spacing:.28em;color:#cfdfcf}
.slogan-main{display:block;font-family:Georgia,'Times New Roman',serif;font-size:clamp(29px,5.2vw,74px);letter-spacing:-.025em;color:#f5e9cf}
.signature::after{content:'';display:block;width:46px;height:1px;margin:24px auto 0;background:linear-gradient(90deg,transparent,#d7d4a3,transparent)}
.copyright{position:fixed;z-index:2;bottom:calc(22px + env(safe-area-inset-bottom,0px));left:16px;right:16px;margin:0;text-align:center;font-size:11px;letter-spacing:.055em;line-height:1.6;color:#b6caca;pointer-events:none;text-shadow:0 2px 9px #001e29}
.fallback{position:fixed;top:65%;left:24px;right:24px;text-align:center;color:#cee5df;line-height:1.6;font-size:14px}
.fallback[hidden]{display:none}
@media(max-width:600px){.slogan-lead{font-size:22.5px;letter-spacing:.24em;margin-bottom:10px}.slogan-main{font-size:clamp(28px,8.3vw,46px)}.signature::after{margin-top:18px;width:34px}.copyright{font-size:9px;letter-spacing:.025em;bottom:calc(19px + env(safe-area-inset-bottom,0px))}}
@media(max-height:420px){.floor-logo-slot{width:min(50vw,32svh);margin-bottom:14px}.slogan-lead{font-size:21px;margin-bottom:5px}.slogan-main{font-size:38px}.signature::after{margin-top:12px}.copyright{bottom:12px;font-size:9px}}