:root{--chat-dark:#212121;--chat-dark-surface:#282624;--chat-dark-surface-2:#2f2c29;--chat-cream:#f3f1f0;--chat-white:#fff;--chat-mustard:#a58958;--chat-mustard-soft:#bdb099;--chat-mint:#00e5a0;--chat-gray-500:#7d7d7d;--chat-gray-600:#c9c4bd;--chat-border:#3a3733}.chat-texture{opacity:.05;pointer-events:none;z-index:0;background-image:none;background-repeat:repeat;position:fixed;inset:0}.chat-glow{pointer-events:none;z-index:0;background:radial-gradient(circle,#a5895829 0%,#a5895800 68%);width:900px;height:900px;position:fixed;top:-20%;left:50%;transform:translate(-50%)}.chat-app{z-index:1;flex-direction:column;height:100dvh;display:flex;position:relative}.chat-header{border-bottom:1px solid var(--chat-border);justify-content:space-between;align-items:center;padding:14px clamp(20px,4vw,48px) 10px;display:flex}.chat-wordmark{letter-spacing:.14em;color:var(--chat-white);font-size:15px;font-weight:700}.chat-wordmark 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video{object-fit:cover;opacity:.8;width:100%;height:100%;position:absolute;inset:0}.chat-intro:before{content:"";background:#2121216b;position:absolute;inset:0}.chat-intro:after{content:"";opacity:.16;background-image:none;background-repeat:repeat;position:absolute;inset:0}.chat-intro-content{z-index:1;text-align:center;flex-direction:column;align-items:center;gap:10px;padding:0 20px;display:flex;position:relative}.chat-intro-word{letter-spacing:.01em;color:var(--chat-white);font-size:clamp(2.1rem,6vw,3.4rem);font-weight:600;display:flex}.chat-intro-word span{opacity:0;animation:.5s forwards chatLetterIn;display:inline-block;transform:rotateY(90deg)}@keyframes chatLetterIn{to{opacity:1;transform:rotateY(0)}}.chat-intro-tag{color:var(--chat-mustard-soft);letter-spacing:.03em;opacity:0;font-size:clamp(13px,1.6vw,15.5px);animation:.6s .9s forwards chatTagIn}.chat-intro-desc{max-width:420px;color:var(--chat-gray-600);opacity:0;font-size:14px;line-height:1.55;animation:.6s 1.15s forwards chatTagIn}@keyframes chatTagIn{to{opacity:1}}.chat-intro--collapsed{opacity:0;pointer-events:none;height:0}.chat-side{z-index:0;width:clamp(180px,16vw,280px);display:none;position:fixed;top:0;bottom:0}.chat-side canvas{width:100%;height:100%;display:block}.chat-side-left{left:0}.chat-side-right{right:0}.chat-side-tag{letter-spacing:.16em;text-transform:uppercase;color:var(--chat-gray-500);writing-mode:vertical-rl;font-size:10.5px;position:absolute;bottom:34px}.chat-side-left .chat-side-tag{left:22px}.chat-side-right .chat-side-tag{right:22px;transform:rotate(180deg)}@media (min-width:1360px){.chat-side{display:block}}