:root {
  --bg: #0c0d10;
  --fg: #e7e7ea;
  --muted: #8a8d94;
  --accent: #7aa2f7;
  --line: #1c1e24;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  display: flex;
  padding: 3rem 2rem;
}

main {
  width: 100%;
  max-width: 40rem;
  margin: auto;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0.5rem 0 2rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.cta {
  margin: 0;
}

.cta a {
  display: inline-block;
  color: var(--fg);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 0.6rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  transition: color 0.15s ease, border-color 0.15s ease;
}

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

.github {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.badges {
  display: flex;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
}

.badges img { display: block; }

.card {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 1rem;
}