/* Minimalist personal site. No framework, no build — just one stylesheet.
   Light/dark aware; one accent color; generous whitespace. */

:root {
  --bg: #fbfbf9;
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --line: #e6e5e0;
  --card: #ffffff;
  --accent: #3b5bdb;
  --radius: 12px;
  --maxw: 44rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #ededed;
    --muted: #9a9a9a;
    --line: #262626;
    --card: #1a1a1a;
    --accent: #91a7ff;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 10vh, 7rem) 1.5rem 4rem;
}

.intro h1 {
  font-size: clamp(2rem, 6vw, 2.75rem);
  font-weight: 650;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.tagline {
  color: var(--muted);
  font-size: 1.1rem;
  margin: 0;
  max-width: 32rem;
}

.sections {
  display: grid;
  gap: 0.75rem;
  margin: 3rem 0;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.1rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.card[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
}

.card-title {
  font-weight: 600;
}

.card-desc {
  color: var(--muted);
  font-size: 0.95rem;
}

.foot {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

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