:root {
  --bg: #101215; --asphalt: #23262B; --red: #D62828; --white: #F5F5F5;
  --yellow: #FFD60A; --muted: #9AA1AA;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--white);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  line-height: 1.6; font-size: 16px;
}
.curb {
  height: 14px; border: 0;
  background: repeating-linear-gradient(-45deg,
    var(--red) 0 22px, var(--white) 22px 44px);
}
main { max-width: 68ch; margin: 0 auto; padding: 0 24px 64px; }
header.hero {
  background: var(--asphalt); padding: 56px 24px 40px; text-align: center;
}
.hero-inner { max-width: 68ch; margin: 0 auto; }
.hero svg { width: 90px; height: auto; image-rendering: pixelated; }
h1 {
  font-size: clamp(2.2rem, 7vw, 3.4rem); letter-spacing: 0.06em;
  margin: 18px 0 6px; font-weight: 800;
}
h1 .go { color: var(--yellow); }
.tagline { color: var(--muted); margin: 0 0 26px; }
h2 {
  font-size: 1.15rem; letter-spacing: 0.04em; margin-top: 44px;
  border-left: 6px solid var(--red); padding-left: 12px;
}
h2 + h2, .en h2 { border-left-color: var(--yellow); }
p, li { color: var(--white); }
.muted, .en-note { color: var(--muted); }
a { color: var(--yellow); text-underline-offset: 3px; }
a:focus-visible { outline: 3px solid var(--yellow); outline-offset: 2px; }
dl { margin: 0; }
dt { font-weight: 700; margin-top: 18px; }
dd { margin: 2px 0 0; color: var(--muted); }
.btn {
  display: inline-block; background: var(--red); color: var(--white);
  text-decoration: none; font-weight: 800; letter-spacing: 0.05em;
  padding: 14px 26px; border-radius: 10px; border: 2px solid #f0f0f0;
}
.btn:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }
footer {
  background: var(--asphalt); padding: 26px 24px; text-align: center;
  color: var(--muted); font-size: 0.9rem;
}
footer a { color: var(--white); margin: 0 10px; }
.lights { display: inline-flex; gap: 10px; margin-bottom: 8px; }
.lights span {
  width: 14px; height: 14px; border-radius: 3px; background: #3a3f45;
  display: inline-block;
}
.lights .on { background: var(--red); }
.lights .green { background: #2fbf4f; }
@media (prefers-reduced-motion: no-preference) {
  .lights .green { animation: blink 1.6s steps(1) infinite; }
  @keyframes blink { 50% { opacity: 0.35; } }
}