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

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  background-color: #000000;
  color: #ffffff;
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  max-width: 672px;
  margin: 0 auto;
  padding: 128px 24px 80px;
  display: flex;
  flex-direction: column;
  gap: 64px;
}

a {
  color: #ffffff;
  text-decoration: underline;
  transition: opacity 0.15s ease;
}

a:hover {
  opacity: 0.6;
}

/* Hero Section */
.hero {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero h1 {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.bio {
  font-size: 1rem;
  line-height: 1.6;
  color: #ffffff;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  font-size: 1rem;
}

/* Strengths Section */
.strengths {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.strengths h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.strength-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.strength {
  font-size: 1rem;
  color: #999999;
}

.strength span {
  color: #ffffff;
  font-weight: 500;
}

.strengths-note {
  font-size: 0.875rem;
  color: #666666;
  margin-top: 8px;
}

/* Projects Section */
.projects {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.projects h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.project-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.project {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.project a {
  font-size: 1rem;
  font-weight: 400;
}

.project p {
  font-size: 1rem;
  color: #999999;
}

/* Responsive */
@media (max-width: 640px) {
  main {
    padding: 80px 20px 60px;
    gap: 48px;
  }

  .hero h1 {
    font-size: 1.875rem;
  }

  .strengths h2,
  .projects h2 {
    font-size: 1.25rem;
  }
}