@font-face {
  font-display: swap;
  font-family: 'OpenAI Sans';
  font-style: normal;
  font-weight: 400;
  src: url(https://cdn.openai.com/common/fonts/openai-sans/v2/OpenAISans-Regular.woff2) format('woff2');
}
@font-face {
  font-display: swap;
  font-family: 'OpenAI Sans';
  font-style: normal;
  font-weight: 500;
  src: url(https://cdn.openai.com/common/fonts/openai-sans/v2/OpenAISans-Medium.woff2) format('woff2');
}
@font-face {
  font-display: swap;
  font-family: 'OpenAI Sans';
  font-style: normal;
  font-weight: 600;
  src: url(https://cdn.openai.com/common/fonts/openai-sans/v2/OpenAISans-Semibold.woff2) format('woff2');
}

:root {
  --bg: #0a0a0a;
  --text: #f5f3ee;
  --muted: rgba(236, 234, 228, 0.55);
  --faint: rgba(236, 234, 228, 0.4);
  --accent: #e8914a;
  --page-max: 42rem;
  --page-x: 1.5rem;
  --page-y: 2.5rem;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--muted);
  font-family: 'OpenAI Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.625;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a {
  color: var(--text);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent);
}

.page {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: var(--page-y) var(--page-x) 4rem;
  position: relative;
}

.page-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.75rem;
  min-height: 2rem;
  gap: 1rem;
}

.page-top--end {
  justify-content: flex-end;
}

.mode-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  font-size: 1.1rem;
  line-height: 1;
  text-decoration: none;
  opacity: 0.85;
  border-radius: 4px;
  flex-shrink: 0;
}

.mode-toggle:hover {
  opacity: 1;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.back {
  display: inline-block;
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: 0;
}

.name {
  display: block;
  color: var(--text);
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.35;
  margin-bottom: 1.5rem;
}

.bio p {
  margin-bottom: 1rem;
  max-width: 38rem;
}

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

.social {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.section {
  margin-top: 3rem;
}

.section-title {
  color: var(--text);
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.35;
  margin-bottom: 1.25rem;
}

.nav-bullets {
  list-style: disc;
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: var(--text);
}

.nav-bullets a {
  color: var(--text);
  font-weight: 500;
}

.link-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.link-list a {
  display: block;
  width: fit-content;
}

.page-title {
  color: var(--text);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.page-sub {
  color: var(--muted);
  margin-bottom: 2rem;
}

.block {
  margin-bottom: 2.25rem;
}

.block-label {
  color: var(--text);
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: 0.85rem;
}

.role {
  margin-bottom: 0.85rem;
}

.role-title {
  color: var(--text);
  font-weight: 500;
}

.role-meta {
  color: var(--faint);
  font-size: 0.875rem;
}

.contrib {
  margin-bottom: 1.25rem;
}

.contrib-title {
  color: var(--text);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.contrib-body {
  color: var(--muted);
}

.project {
  margin-bottom: 1.75rem;
  scroll-margin-top: 1.5rem;
}

.project-name {
  color: var(--text);
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.project-desc {
  margin-bottom: 0.4rem;
}

.project-tags {
  color: var(--faint);
  font-size: 0.8125rem;
  margin-bottom: 0.5rem;
}

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

.skill-group {
  margin-bottom: 1.75rem;
}

.skill-group-title {
  color: var(--text);
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.cert {
  margin-bottom: 1rem;
}

.cert-name {
  color: var(--text);
  font-weight: 500;
}

.cert-issuer {
  color: var(--faint);
  font-size: 0.875rem;
}

.edu {
  margin-bottom: 1.75rem;
}

.edu-school {
  color: var(--text);
  font-weight: 500;
}

.edu-deg {
  margin-top: 0.15rem;
}

.edu-meta {
  color: var(--faint);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

@media (min-width: 640px) {
  :root {
    --page-x: 2rem;
    --page-y: 3.5rem;
  }

  .section {
    margin-top: 4rem;
  }
}