:root {
  color-scheme: dark;
  --bg: #071018;
  --bg-deep: #0b1117;
  --panel: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f5f7fa;
  --muted: #9aa4b2;
  --accent: #34dfc7;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding:
    max(24px, env(safe-area-inset-top))
    max(16px, env(safe-area-inset-right))
    max(24px, env(safe-area-inset-bottom))
    max(16px, env(safe-area-inset-left));
  background:
    radial-gradient(circle at top, rgba(52, 223, 199, 0.14), transparent 30%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  color: var(--text);
  font-family: "Pretendard", "IBM Plex Sans KR", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  width: min(720px, 100%);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--panel);
  backdrop-filter: blur(10px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(36px, 7vw, 64px);
  line-height: 1;
}

p {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.7;
  font-size: 16px;
  overflow-wrap: anywhere;
}

.meta {
  display: grid;
  gap: 10px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-family: "JetBrains Mono", "SFMono-Regular", monospace;
  font-size: 14px;
}

.meta strong {
  color: var(--text);
}

@media (max-width: 640px) {
  main {
    border-radius: 18px;
  }

  p {
    font-size: 15px;
  }
}