*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0a0a0a;
  --fg: #d4d4d4;
  --dim: #666;
  --accent: #33ff66;
  --font: 'IBM Plex Mono', ui-monospace, monospace;
  --max: 36rem;
}

body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.prompt {
  color: var(--accent);
  font-size: 13px;
}

.prompt::before {
  content: '$ ';
  color: var(--dim);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 13px;
}

.lang-btn {
  font: inherit;
  color: var(--dim);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.lang-btn:hover {
  color: var(--fg);
}

.lang-btn.active {
  color: var(--accent);
}

.lang-sep {
  color: var(--dim);
}

h1 {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 2rem;
}

.cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.1em;
  margin-left: 2px;
  vertical-align: text-bottom;
  background: var(--accent);
  animation: blink 1.1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.text p {
  margin-bottom: 1.25rem;
}

.text p:last-child {
  margin-bottom: 0;
}

.footer {
  margin-top: 3rem;
  font-size: 12px;
  color: var(--dim);
}

@media (prefers-reduced-motion: reduce) {
  .cursor {
    animation: none;
    opacity: 0.6;
  }
}