/* ---------- Base reset ---------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ---------- Page ---------- */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  color: #1a1a1a;
  background-color: #fafaf7;
  padding: 80px 24px;
}

/* ---------- Layout container ---------- */
main {
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Header ---------- */
header {
  margin-bottom: 48px;
}

h1 {
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.tagline {
  font-size: 20px;
  color: #555;
  line-height: 1.4;
}

/* ---------- Bio ---------- */
.bio p {
  margin-bottom: 20px;
}

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

/* ---------- Links ---------- */
.links {
  margin-top: 48px;
  display: flex;
  gap: 24px;
}

.links a {
  color: #1a1a1a;
  text-decoration: none;
  border-bottom: 1px solid #1a1a1a;
  padding-bottom: 2px;
  transition: opacity 0.15s ease;
}

.links a:hover {
  opacity: 0.6;
}

/* ---------- Mobile ---------- */
@media (max-width: 600px) {
  body {
    padding: 48px 20px;
    font-size: 17px;
  }
  h1 {
    font-size: 28px;
  }
  .tagline {
    font-size: 18px;
  }
}