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

html {
  font-size: 16px;
}

body {
  background-color: #0a0a0a;
  color: #d4d4d4;
  font-family: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', 'Consolas', 'Monaco', monospace;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  max-width: 700px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  flex: 1;
}

header {
  margin-bottom: 3rem;
}

h1 {
  color: #4ade80;
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.headline {
  color: #a1a1aa;
  font-size: 1rem;
}

section {
  margin-bottom: 2.5rem;
}

h2 {
  color: #4ade80;
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 1rem;
  border-bottom: 1px solid #27272a;
  padding-bottom: 0.5rem;
}

p {
  color: #d4d4d4;
  font-size: 0.9375rem;
}

ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

li {
  color: #a1a1aa;
  font-size: 0.875rem;
}

li::before {
  content: "•";
  color: #4ade80;
  margin-right: 0.5rem;
}

.email {
  margin-bottom: 1rem;
}

.links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  color: #4ade80;
  text-decoration: none;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  border: 1px solid #27272a;
  background-color: transparent;
}

.btn:hover {
  background-color: #18181b;
  border-color: #4ade80;
}

footer {
  text-align: center;
  padding: 1rem;
}

footer p {
  color: #3f3f46;
  font-size: 0.6875rem;
}

@media (max-width: 640px) {
  html {
    font-size: 15px;
  }

  main {
    padding: 2rem 1.25rem;
  }

  header {
    margin-bottom: 2rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  section {
    margin-bottom: 2rem;
  }

  ul {
    flex-direction: column;
    gap: 0.375rem;
  }

  .btn {
    padding: 0.625rem 1.25rem;
  }
}