:root {
  --bg: #0b0c10;
  --fg: #f5f5f5;
  --accent: #6ee7b7;
  --muted: #9aa0a6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Pretendard", "Apple SD Gothic Neo", sans-serif;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  margin: 0 0 0.75rem;
  line-height: 1.15;
}

.tagline {
  color: var(--muted);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  max-width: 40rem;
  margin: 0 auto 2rem;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #05231a;
  font-weight: 700;
  text-decoration: none;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  transition: transform 0.15s ease;
}

.cta:hover { transform: translateY(-2px); }

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 1.5rem;
}