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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #fff;
  color: #1a1a1a;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 15px;
  line-height: 1.6;
}

a {
  color: inherit;
}

main {
  max-width: 780px;
  margin: 0 auto;
  padding: 80px 24px 100px;
}

/* Hero */
.hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 52px;
}

.hero-text {
  flex: 1;
}

/* Portrait */
.portrait {
  display: block;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

/* Name */
h1 {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: normal;
  color: #0A0A0A;
  line-height: normal;
  margin: 0px -2px 8px;
}

/* Tagline */
.tagline {
  color: #6B7280;
  margin-bottom: 8px;
  font-size: 20px;
  line-height: 1.65;
}

.tagline a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: #bbb;
}

.tagline a:hover {
  text-decoration-color: #444;
}

/* Social icons */
.social-links {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
}

.social-links a {
  display: flex;
  align-items: center;
  color: #888;
  text-decoration: none;
  transition: color 0.12s;
}

.social-links a:hover {
  color: #111;
}

/* Divider */
hr {
  border: none;
  border-top: 1px solid #e8e8e8;
  margin: 36px 0;
}

/* Two-column section */
.section {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0 20px;
  margin-bottom: 36px;
}

.section-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #888;
  padding-top: 1px;
  line-height: 1.6;
}

/* Help list */
.help-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.help-list li {
  font-size: 0.9375rem;
  color: #444;
  line-height: 1.6;
  padding-left: 16px;
  position: relative;
}

.help-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: #bbb;
  font-size: 0.8rem;
}

/* Experience */
.experience-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.experience-list article h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #111;
  margin-bottom: 4px;
}

.experience-list article h3 a {
  text-decoration: none;
}

.experience-list article h3 a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.experience-list article p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: #666;
}

/* Community */
.community-text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #444;
}

/* Footer */
footer {
  margin-top: 12px;
  font-size: 0.8125rem;
  color: #bbb;
}

/* Mobile */
@media (max-width: 540px) {
  main {
    padding: 48px 20px 72px;
  }

  h1 {
    font-size: 1.5rem;
  }

  .hero {
    flex-direction: column-reverse;
    gap: 20px;
  }

  .section {
    grid-template-columns: 1fr;
    gap: 10px 0;
  }
}