/* About-me page. No JS, no web fonts, light/dark via prefers-color-scheme. Contrast >= 7:1. */
:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1f2937;
  --muted: #4b5563;
  --accent: #4338ca; /* indigo-700 */
  --card: #eef2ff; /* indigo-50 */
  --line: #c7d2fe; /* indigo-200 */
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f172a;
    --fg: #e5e7eb;
    --muted: #cbd5e1;
    --accent: #a5b4fc; /* indigo-300 */
    --card: #1e1b4b; /* indigo-950 */
    --line: #3730a3; /* indigo-800 */
  }
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 1.0625rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

main,
footer {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

main {
  padding-top: clamp(2rem, 8vw, 5rem);
}

.intro {
  border-bottom: 4px solid var(--accent);
  padding-bottom: 1.25rem;
}

h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(2rem, 7vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 {
  margin: 2.5rem 0 1rem;
  color: var(--accent);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h3 {
  margin: 0;
  font-size: 1.125rem;
}

p {
  margin: 0 0 0.75rem;
}

.role {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  color: var(--fg);
}

.bio {
  color: var(--muted);
  font-size: 1.05rem;
}

.links {
  margin-top: 0.75rem;
  font-size: 0.95rem;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 0.16em;
}

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.cards {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 40rem) {
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.cards li {
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--card);
}

.cards p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

footer {
  padding-top: 3rem;
  padding-bottom: 2rem;
  color: var(--muted);
  font-size: 0.875rem;
}