:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --card: #ffffff;
  --text: #13243a;
  --border: #e3e9f1;
  --accent: #0b7cff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #ffffff 0%, var(--bg) 70%);
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.hero {
  width: min(560px, 100%);
  text-align: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  padding: 2.4rem 1.6rem;
  box-shadow: 0 14px 32px rgba(16, 32, 51, 0.06);
}

h1 {
  margin: 0;
  font-size: clamp(2.1rem, 7vw, 3.3rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
  font-weight: 650;
}

.terminal-title {
  display: inline-flex;
  align-items: center;
  gap: 0.48ch;
}

.prompt {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-weight: 700;
  font-size: 0.95em;
  color: var(--accent);
  text-shadow: 0 0 14px rgba(11, 124, 255, 0.35);
  transform: translateY(-0.03em);
  animation: prompt-flicker 1.2s steps(1, end) infinite, prompt-float 2.8s ease-in-out infinite;
}

@keyframes prompt-flicker {
  0%,
  42% {
    opacity: 1;
  }
  43%,
  58% {
    opacity: 0.28;
  }
  59%,
  100% {
    opacity: 1;
  }
}

@keyframes prompt-float {
  0%,
  100% {
    transform: translateY(-0.03em);
  }
  50% {
    transform: translateY(-0.09em);
  }
}

@media (prefers-reduced-motion: reduce) {
  .prompt {
    animation: none;
    opacity: 1;
  }
}