*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:#07080A}
body{
  height:100vh;height:100svh;overflow:hidden;
  display:flex;flex-direction:column;
  color:#F4F5F7;
  font-family:system-ui,-apple-system,"Segoe UI","Helvetica Neue",Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
#sky{position:fixed;inset:0;width:100%;height:100%;display:block;pointer-events:none}
.no-js #sky{display:none}
main{
  position:relative;flex:1 1 auto;min-height:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:1.1rem;padding:0 1.5rem 7vh;text-align:center;
}
h1{
  font-weight:700;font-size:clamp(2rem,7vw,5rem);line-height:1.1;
  letter-spacing:.01em;color:#FFFDF8;text-wrap:balance;
  text-shadow:0 0 1px rgba(255,250,240,.9),0 0 10px rgba(255,246,232,.55),0 0 28px rgba(255,240,215,.35),0 0 64px rgba(220,230,255,.22);
  animation:glow 6s ease-in-out infinite alternate;
}
@keyframes glow{
  to{text-shadow:0 0 1px rgba(255,250,240,1),0 0 14px rgba(255,246,232,.75),0 0 40px rgba(255,240,215,.5),0 0 90px rgba(220,230,255,.32)}
}
@media (prefers-reduced-motion:reduce){h1{animation:none}}
.tagline{font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:#8B9099;padding-left:.2em}
footer{
  position:relative;flex:0 0 auto;text-align:center;
  font-size:.75rem;color:#767C86;letter-spacing:.02em;
  padding:0 1.5rem max(1.5rem,env(safe-area-inset-bottom));
}
footer a{color:inherit;text-decoration:none}
footer a:hover{color:#8B9099}
.debug{position:fixed;top:8px;left:8px;font:11px/1.4 ui-monospace,Menlo,monospace;color:#6E747E;pointer-events:none;white-space:pre}

/* Ciel statique sans JavaScript */
.sky-static{position:fixed;top:0;left:0;width:1px;height:1px;border-radius:50%;background:transparent;
  box-shadow:
  6vw 12vh 0 0 rgba(220,230,255,.55),14vw 31vh 0 0 rgba(220,230,255,.35),9vw 58vh 0 .4px rgba(220,230,255,.7),
  4vw 83vh 0 0 rgba(220,230,255,.4),19vw 74vh 0 0 rgba(220,230,255,.3),23vw 9vh 0 .3px rgba(220,230,255,.6),
  27vw 44vh 0 0 rgba(220,230,255,.35),31vw 88vh 0 .4px rgba(220,230,255,.65),36vw 21vh 0 0 rgba(220,230,255,.45),
  33vw 63vh 0 0 rgba(220,230,255,.3),41vw 5vh 0 0 rgba(220,230,255,.5),44vw 79vh 0 0 rgba(220,230,255,.4),
  48vw 15vh 0 .4px rgba(220,230,255,.75),52vw 92vh 0 0 rgba(220,230,255,.35),56vw 27vh 0 0 rgba(220,230,255,.3),
  59vw 70vh 0 .3px rgba(220,230,255,.6),63vw 8vh 0 0 rgba(220,230,255,.4),67vw 52vh 0 0 rgba(220,230,255,.3),
  71vw 84vh 0 0 rgba(220,230,255,.5),74vw 19vh 0 .4px rgba(220,230,255,.7),78vw 37vh 0 0 rgba(220,230,255,.35),
  81vw 66vh 0 0 rgba(220,230,255,.45),85vw 6vh 0 0 rgba(220,230,255,.3),88vw 47vh 0 .3px rgba(220,230,255,.6),
  92vw 77vh 0 0 rgba(220,230,255,.4),95vw 24vh 0 0 rgba(220,230,255,.5),97vw 91vh 0 0 rgba(220,230,255,.3),
  12vw 95vh 0 0 rgba(220,230,255,.35),17vw 4vh 0 0 rgba(220,230,255,.4),39vw 34vh 0 0 rgba(220,230,255,.25),
  61vw 39vh 0 0 rgba(220,230,255,.25),69vw 96vh 0 .3px rgba(220,230,255,.55),83vw 13vh 0 0 rgba(220,230,255,.35),
  2vw 40vh 0 0 rgba(220,230,255,.3),47vw 55vh 0 0 rgba(220,230,255,.25),90vw 60vh 0 0 rgba(220,230,255,.4);
}
.js .sky-static{display:none}