/* Basic reset & variables */
:root{
  --bg: #0b0b0b;
  --fg: #e9e9e9;
  --muted: #b9b9b9;
  --accent: #00ff66;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif;
  background: var(--bg);
  color: var(--fg);
  overflow-x:hidden;
}
/* Subtle TV-lines background */
body::before{
  content:"";
  position:fixed; inset:0;
  pointer-events:none;
  opacity:.08;
  background-image: repeating-linear-gradient(180deg, #fff 0, #fff 1px, transparent 1px, transparent 3px);
  mix-blend-mode:overlay;
}
.badge{
  position:fixed; top:.75rem; left:.75rem;
  padding:.25rem .5rem;
  border:1px solid #2a2a2a;
  border-radius:.375rem;
  font-size:.75rem;
  letter-spacing:.06em;
  color:var(--fg);
  background:linear-gradient(180deg, #111, #0a0a0a);
  box-shadow:0 0 0 1px #000 inset;
  z-index:10;
}
.hero{
  min-height:100svh;
  display:grid;
  place-content:center;
  gap:1.25rem;
  padding: clamp(16px, 4vw, 32px);
  text-align:center;
}
.label{
  font-weight:800;
  line-height:1.05;
  font-size: clamp(32px, 9vw, 120px);
  max-width: 12ch;
  margin:0 auto;
  text-wrap: balance;
}
.sub{
  margin:0 auto;
  color:var(--muted);
  font-size: clamp(14px, 2.6vw, 18px);
}
.btn{
  justify-self:center;
  appearance:none;
  border:1px solid #2a2a2a;
  background:#101010;
  color:var(--fg);
  padding:.75rem 1rem;
  font-size:1rem;
  border-radius:.5rem;
  cursor:pointer;
  transition:transform .08s ease, background .2s ease, border-color .2s ease;
}
.btn:hover{ background:#141414; border-color:#3a3a3a }
.btn:active{ transform:scale(.98) }
.btn:focus-visible{ outline:2px solid var(--accent); outline-offset:3px }

/* Fade choreography */
.label{
  opacity:1;
  transition: opacity .4s ease;
}
.label.is-fading-out{ opacity:0 }
@media (prefers-reduced-motion: reduce){
  .label{ transition:none }
}

/* Accent caret-style underline that animates once */
.label::after{
  content:"";
  display:block;
  height:3px;
  margin-top:.4rem;
  background:linear-gradient(90deg, var(--accent), transparent 60%);
  animation: swipe 2s ease-out 1;
}
@keyframes swipe{
  from { inline-size: 15%; opacity:0.6 }
  to   { inline-size: 100%; opacity:1 }
}

/* Footer-like tiny note could go here if needed */