:root {
  color-scheme: dark;
  --accent: #ff6a00;
}

body {
  margin: 0;
  padding: 0;
  background: #000;
  color: #fff;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
    "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.5;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 72px 20px 64px;
}

.header {
  margin-bottom: 28px;
}


a {
  color: #fff;
  text-decoration: none;
}

a:hover,
a:focus {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.header a {
  color: #cfcfcf;
}

h1 {
  font-size: 2.1rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}

p {
  margin: 0;
  color: #cfcfcf;
}

.cards {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.card {
  display: block;
  padding: 16px 16px;
  border: 1px solid #222;
  border-radius: 12px;
  background: #0b0b0b;
  color: #fff;
}

.card-title {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.card-desc {
  margin-top: 6px;
  color: #cfcfcf;
}

.card-link {
  margin-top: 10px;
  color: #cfcfcf;
  font-size: 0.95rem;
}

.card:hover,
.card:focus {
  border-color: var(--accent);
  background: #111;
  text-decoration: none;
}

.card:hover .card-link,
.card:focus .card-link {
  color: var(--accent);
}

@media (max-width: 560px) {
  .cards {
    grid-template-columns: 1fr;
  }
}

ul {
  margin: 0;
  padding-left: 18px;
}

li {
  margin: 8px 0;
  color: #cfcfcf;
}