/* Fonts are hosted with the site (both SIL Open Font License) so nothing loads from outside */
@font-face {
  font-family: "Orbitron";
  font-weight: 400 900;
  font-display: swap;
  src: url("fonts/orbitron.woff2") format("woff2");
}
@font-face {
  font-family: "Share Tech Mono";
  font-display: swap;
  src: url("fonts/share-tech-mono.woff2") format("woff2");
}

:root {
  --bg: #07030f;
  --ink: #d9f7ff;
  --pink: #ff2bd6;
  --cyan: #00f0ff;
  --orange: #ff7a1a;
  --green: #39ff14;
  --yellow: #f9f871;
  --card: #0e0820;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100dvh;
  font-family: "Share Tech Mono", ui-monospace, monospace;
  color: var(--ink);
  text-align: center;
  padding: 16px;
  overflow-x: hidden;
  background:
    linear-gradient(transparent 0 60%, rgba(255, 43, 214, 0.18)),
    radial-gradient(ellipse at 50% 110%, rgba(0, 240, 255, 0.25), transparent 60%),
    var(--bg);
  background-attachment: fixed;
}
/* neon grid floor */
body::before {
  content: "";
  position: fixed;
  inset: 55% -50% -10%;
  background:
    repeating-linear-gradient(90deg, rgba(255, 43, 214, 0.45) 0 2px, transparent 2px 60px),
    repeating-linear-gradient(0deg, rgba(255, 43, 214, 0.45) 0 2px, transparent 2px 60px);
  transform: perspective(300px) rotateX(60deg);
  transform-origin: top;
  mask-image: linear-gradient(transparent, #000 40%);
  -webkit-mask-image: linear-gradient(transparent, #000 40%);
  animation: grid 2s linear infinite;
  z-index: -1;
  pointer-events: none;
}
@keyframes grid { to { background-position: 0 60px, 0 60px; } }
/* scanlines */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.25) 0 1px, transparent 1px 3px);
  pointer-events: none;
  z-index: 10;
}

h1 {
  font-family: "Orbitron", sans-serif;
  font-weight: 900;
  font-size: clamp(1.4rem, min(6vw, 7vh), 3rem);
  margin: 0.5rem 0 0.25rem;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-shadow: 0 0 4px #fff, 0 0 10px var(--pink), 0 0 22px var(--pink), 0 0 40px var(--pink);
  animation: flicker 5s infinite;
}
@keyframes flicker {
  0%, 18%, 22%, 25%, 53%, 57%, 100% { opacity: 1; }
  20%, 24%, 55% { opacity: 0.4; }
}

button, .btn {
  display: inline-block;
  font-family: "Orbitron", sans-serif;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: transparent;
  color: var(--cyan);
  border: 2px solid var(--cyan);
  border-radius: 6px;
  padding: 10px 20px;
  cursor: pointer;
  box-shadow: 0 0 8px var(--cyan), inset 0 0 8px var(--cyan);
  text-shadow: 0 0 6px var(--cyan);
  transition: background 0.15s, color 0.15s;
}
button:hover, .btn:hover { background: var(--cyan); color: var(--bg); text-shadow: none; }
button:active, .btn:active { transform: scale(0.97); }

/* --- Disco mode easter egg: the whole city goes rainbow --- */
body.disco > * { animation: rainbow 1.2s linear infinite; }
body.disco::before { animation: grid 0.5s linear infinite, rainbow 1.2s linear infinite; }
@keyframes rainbow { to { filter: hue-rotate(360deg); } }