.launch-screen { position:fixed; inset:0; z-index:100; display:grid; place-items:center; overflow:auto; padding:32px 20px; background:#090909; color:#fff; }
.launch-screen[hidden] { display:none; }
.launch-enter[hidden],.intro-controls[hidden] { display:none; }
.launch-video { position:absolute; inset:0; width:100%; height:100%; object-fit:contain; background:#000; }
.intro-ambience { position:absolute; inset:0; pointer-events:none; overflow:hidden; }
.intro-bar { position:absolute; overflow:hidden; background:radial-gradient(ellipse at 50% 50%,#50132d70,transparent 75%),#060407; }
.intro-bar::before { content:''; position:absolute; inset:-60px; opacity:.3; background:repeating-linear-gradient(115deg,transparent 0 59px,#ff83bd26 60px,transparent 61px 120px); animation:intro-lines 18s linear infinite; }
.intro-bar::after { content:''; position:absolute; inset:0; box-shadow:inset 0 0 50px #000; background:radial-gradient(ellipse at 30% 80%,#b7206829,transparent 65%); animation:intro-glow 6s ease-in-out infinite alternate; }
.intro-mote { position:absolute; left:var(--x); top:var(--y); width:3px; height:3px; border-radius:50%; background:#ffafd3; box-shadow:0 0 9px 2px #ff4c9c80; animation:intro-drift var(--duration) ease-in-out infinite; animation-delay:var(--delay); }
.intro-mote:nth-child(3n) { width:9px; height:9px; border-radius:1px; background:transparent; border:1px solid #ffb8d377; box-shadow:0 0 12px #ff529b44; }
.intro-finished .intro-ambience { display:none; }
.intro-ambience.paused .intro-mote,.intro-ambience.paused .intro-bar::before,.intro-ambience.paused .intro-bar::after { animation-play-state:paused; }
@keyframes intro-drift { 0%,100% { transform:translate(0,18px) rotate(0); opacity:.15; } 50% { transform:translate(12px,-18px) rotate(40deg); opacity:.75; } }
@keyframes intro-lines { to { transform:translateX(120px); } }
@keyframes intro-glow { to { opacity:.4; } }
@media(prefers-reduced-motion:reduce) { .intro-mote,.intro-bar::before,.intro-bar::after { animation:none; } }
.intro-playing .launch-content { align-self:end; padding:12px 20px; background:#0009; border-radius:8px; width:min(580px,100%); margin-bottom:35px; }
.intro-playing .launch-logo,.intro-playing .launch-title,.intro-playing .launch-footnote { display:none; }
.intro-playing .launch-warning { margin:0 auto; max-width:490px; font-size:11px; line-height:1.4; }
.intro-playing .launch-age { font-size:12px; padding:2px 7px; margin-bottom:5px; }
.intro-playing .launch-leave { margin-top:8px; }
.intro-controls { position:absolute; top:20px; right:20px; display:flex; gap:8px; }
.intro-controls button { padding:10px 15px; background:#111c; color:#fff; border:1px solid #ffffff60; border-radius:30px; font-size:12px; }
.intro-status { position:absolute; bottom:10px; left:15px; right:15px; text-align:center; font-size:11px; color:#ddd; }
.intro-finished .launch-video { opacity:.25; transition:opacity .6s; }
.intro-finished .intro-status { display:none; }
@media(prefers-reduced-motion:reduce) { .intro-finished .launch-video { transition:none; } }
.launch-art { position:absolute; inset:0; background:linear-gradient(90deg,#000b,#0002 65%),linear-gradient(0deg,#000 0%,#0003 70%),url('assets/rei-banner-scene.png') center / cover; filter:none; pointer-events:none; }
.launch-content { position:relative; width:min(640px,100%); text-align:center; padding:35px 25px; }
.launch-logo { font-family:'Barlow Condensed',sans-serif; font-size:clamp(78px,13vw,154px); line-height:.95; font-weight:800; letter-spacing:-3px; margin:0; text-shadow:0 4px 24px #0008; }
.launch-title { font-size:13px; letter-spacing:5px; margin:22px 0 65px; }
.launch-enter { display:flex; justify-content:center; align-items:center; gap:26px; width:min(360px,100%); margin:0 auto; padding:19px 26px; background:#fff; color:#111; border:1px solid #fff; font-weight:700; font-size:16px; transition:background .2s,transform .2s; }
.launch-enter:hover { background:#ddd; transform:translateY(-2px); }
.launch-warning { margin:24px auto 0; max-width:355px; font-size:13px; line-height:1.7; color:#e0e0e0; }
.launch-age { display:inline-block; border:1px solid #fff; padding:3px 9px; margin-bottom:10px; font-size:16px; font-weight:700; letter-spacing:1px; }
.launch-warning p { margin:0; }
.launch-leave { display:inline-block; margin-top:18px; font-size:12px; color:#ccc; text-underline-offset:4px; }
.launch-footnote { position:absolute; bottom:20px; left:20px; right:20px; text-align:center; font-size:10px; letter-spacing:2px; color:#bcbcbc; pointer-events:none; }
body.launch-pending { overflow:hidden; }
@media(max-width:640px) { .launch-art { background-position:59% center; }.launch-content { padding:25px 5px; }.launch-title { margin-bottom:52px; }.launch-warning { font-size:12px; } }
@media(prefers-reduced-motion:reduce) { .launch-enter { transition:none; } }