:root {
  --fundo: #1f2232;
  --cartao: #2b3048;
  --texto: #f4f6fb;
  --mudo: #c6c6c6;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--fundo);
  color: var(--texto);
  font-family: "Segoe UI", sans-serif;
}

body {
  padding: 28px 20px 40px;
}

header h1 {
  margin: 4px 0 8px;
  font-size: 32px;
}

header p {
  margin: 0;
  color: var(--mudo);
}

.marca {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 13px;
}

main {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

@media (min-width: 800px) {
  main { grid-template-columns: 1fr 1fr; max-width: 920px; }
}

.cartao {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 16px;
  align-items: center;
  padding: 14px;
  background: var(--cartao);
  color: inherit;
  text-decoration: none;
  border-radius: 16px;
}

.cartao img {
  width: 96px;
  height: 128px;
  object-fit: cover;
  border-radius: 8px;
  background: white;
}

.cartao strong {
  display: block;
  font-size: 20px;
}

.cartao span {
  color: var(--mudo);
}