:root {
  --color-bg: #ffffff;
  --color-text: #1c1c1e;
  --color-muted: #6e6e73;
  --color-accent: #2c2c2e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero h1 {
  font-size: clamp(3rem, 10vw, 5rem);
  margin: 0 0 0.5rem;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.tagline {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  margin: 0 0 1.5rem;
}

.lead {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 32rem;
  margin: 0 0 2rem;
}

.contact {
  color: var(--color-muted);
}

.contact a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}