:root {
  --width-slim: 42rem;

  --border-radius: 8px;

  --color-accent: #5252c3;
  --color-accent-hover: #4141a8;
  --color-text: #2d2d2d;
  --color-text-muted: #8a8a8a;
  --color-text-secondary: #444;
  --color-lines: #e4e4e7;
  --color-light-grey: #f9f9f9;
  --color-background: #ffffff;

  --shadow-height-one: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
}

body {
  margin: 0 auto;
  max-width: var(--width-slim);
  color: var(--color-text);
  background-color: var(--color-background);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  padding: 2rem 1rem;
  -webkit-font-smoothing: antialiased;
}

strong {
  font-variant: small-caps;
}

p {
  line-height: 1.6;
}

a {
  display: inline-block;
  text-decoration: none;
  color: var(--color-accent);
}

a:after {
  display: block;
  content: '';
  height: 1px;
  width: 0%;
  position: relative;
  top: -1px;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

a:hover:after,
a:focus:after {
  width: 100%;
}

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

h1 {
  color: var(--color-text-secondary);
  font-variant: small-caps;
  letter-spacing: 0.02em;
}

[role='doc-subtitle'] {
  font-size: 1.4em;
  margin-block-start: -0.67em;
  margin-block-end: 0.67em;
  color: var(--color-text-secondary);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card {
  background: var(--color-light-grey);
  border: 1px solid var(--color-lines);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

.card--hero {
  border: none;
  padding: 2rem 1.5rem;
  font-size: 1.125rem;
  background: linear-gradient(
    135deg,
    var(--color-background) 0%,
    var(--color-light-grey) 100%
  );
}

.card--hero h1,
.card--hero [role='doc-subtitle'] {
  text-align: center;
}

.card h2 {
  margin-top: 0;
  color: var(--color-text);
}

.card:first-child h1 {
  margin-top: 0;
}

.headshot {
  display: block;
  width: 140px;
  height: 140px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-background);
  box-shadow: var(--shadow-height-one);
}

.card--hero ul.resources:before {
  content: 'Resources';
  display: block;
  font-weight: bold;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.card--hero ul.resources {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0 0;
  text-align: center;
}

.card--hero ul.resources li {
  display: inline-block;
}

.card--hero ul.resources li + li:before {
  content: '•';
  display: inline-block;
  margin: 0 0.25rem;
  color: var(--color-text-secondary);
}

.interests-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.interest-item {
  line-height: 1.5;
}

@media (max-width: 768px) {
  .card {
    padding: 1rem;
  }

  .card--hero {
    padding: 1.5rem 1rem;
  }

  .interests-grid {
    gap: 0.75rem;
  }
}