:root {
  color-scheme: light dark;
  --bg: #fafafa;
  --fg: #1a1a1a;
  --muted: #5c5c5c;
  --border: #dcdcdc;
  --card: #ffffff;
  --accent: #b3380a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --fg: #e6edf3;
    --muted: #8b949e;
    --border: #2a3038;
    --card: #161b22;
    --accent: #f59e6b;
  }
}

* {
  box-sizing: border-box;
}

html {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--fg);
}

main {
  flex: 1;
  width: 100%;
  max-width: 44rem;
  margin: 0 auto;
  padding: 5rem 1.5rem 3rem;
}

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

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

.hero {
  text-align: center;
  margin-bottom: 4rem;
}

.mark {
  display: block;
  margin: 0 auto 1.25rem;
  width: 96px;
  height: 96px;
}

.hero h1 {
  margin: 0;
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0.25rem 0 1.5rem;
  font-size: 1.25rem;
  color: var(--muted);
}

.lede {
  margin: 0 auto;
  max-width: 34rem;
  font-size: 1.05rem;
}

main section h2 {
  font-size: 1.25rem;
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

main section + section {
  margin-top: 4rem;
}

.projects .empty {
  margin: 0;
  color: var(--muted);
}

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

.projects li {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 1.25rem 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
}

.projects li p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.project-info {
  flex: 1 1 16rem;
}

.project-name {
  margin: 0;
  font-weight: 600;
  font-size: 1.1rem;
}

.button {
  flex: none;
  padding: 0.5rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 0.5rem;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.button:hover,
.button:focus-visible {
  background: var(--accent);
  color: var(--card);
}

.button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.contact p {
  margin: 0;
  color: var(--muted);
}

footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--muted);
  font-size: 0.875rem;
}

footer p {
  margin: 0;
}

@media (max-width: 480px) {
  main {
    padding-top: 3rem;
  }

  .mark {
    width: 76px;
    height: 76px;
  }

  .hero h1 {
    font-size: 2.25rem;
  }
}