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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background-color: #f8f7f4;
}

header {
  background-color: #fff;
  border-bottom: 1px solid #e0ddd6;
}

nav {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

nav a {
  color: #2c5282;
  text-decoration: none;
  font-size: 0.95rem;
}

nav a:hover {
  text-decoration: underline;
}

nav a.active {
  font-weight: 600;
  color: #1a365d;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  line-height: 1.2;
}

.subtitle {
  font-size: 1.125rem;
  color: #555;
  margin: 0 0 2rem;
}

p {
  margin: 0 0 1rem;
}

.interests {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  gap: 0.75rem;
}

.interests a {
  display: block;
  padding: 1rem 1.25rem;
  background-color: #fff;
  border: 1px solid #e0ddd6;
  border-radius: 6px;
  color: #2c5282;
  text-decoration: none;
  font-weight: 500;
}

.interests a:hover {
  border-color: #2c5282;
  background-color: #f0f4f8;
}

footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem 2rem;
  font-size: 0.875rem;
  color: #777;
}