:root {
  color-scheme: dark;
  color: #141414;
  background: #f6f5f2;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: #f6f5f2;
  color: #1d1b1a;
}

body {
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(100% - 6rem, 1400px);
  margin: 0 auto;
}

.hero {
  padding: 5rem 0 3rem;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: #8b8b8b;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  margin: 0;
  line-height: 1.02;
}

.hero-copy {
  margin-top: 1rem;
  font-size: 1.1rem;
  max-width: 50ch;
  color: #544f49;
}

.periods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}

.card {
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.05);
}

.card h2 {
  margin-top: 0;
  font-size: 1.25rem;
}

.card ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: 0.75rem;
}

.card li a {
  color: #1d1b1a;
  /* border-bottom: 1px solid rgba(0, 0, 0, 0.06); */
}

a:hover {
  background: #0077ff;
  color: #ffffff;
  border-radius: 0.35rem;
  padding: 0.08rem 0.18rem;
}

.card li a:hover {
  background: #000000;
  color: #ffffff;
  border-radius: 0.35rem;
  padding: 0.18rem 0.18rem;
}

.site-footer {
  margin-top: 4rem;
  padding: 2rem 0;
  text-align: center;
  color: #777;
}

@media (max-width: 720px) {
  .site-nav {
    justify-content: flex-end;
  }

  .hero {
    padding-top: 3rem;
  }
}