/* ==========================================================
   WebUtilidades - CSS principal
   ========================================================== */

:root {
  --azul: #0066ff;
  --cinza-fundo: #f4f6f8;
  --cinza-card: #ffffff;
  --sombra: rgba(0, 0, 0, 0.1);
  --borda: #dddddd;
}

body {
  background: var(--cinza-fundo);
  color: #222;
  font-family: "Poppins", sans-serif;
  margin: 0;
  padding: 0;
}

/* ====== Cabeçalho ====== */
header {
  background: var(--azul);
  color: #fff;
  text-align: center;
  padding: 25px 10px;
}

header h1 {
  margin: 0;
  font-size: 2rem;
}

header p {
  margin: 0;
  font-size: 1rem;
  opacity: 0.9;
}

/* ====== Cards (página inicial) ====== */
.container {
  width: 90%;
  max-width: 1000px;
  margin: 40px auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.card {
  background: var(--cinza-card);
  border-radius: 12px;
  box-shadow: 0 2px 6px var(--sombra);
  padding: 25px;
  text-align: center;
  transition: transform 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card h2 {
  margin-top: 0;
  color: #111;
}

.card p {
  color: #555;
}

.card a {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 18px;
  background: var(--azul);
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
}

/* ====== Responsividade ====== */
@media (max-width: 600px) {
  header h1 {
    font-size: 1.6rem;
  }

  .container {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 20px;
  }
}

/* ====== Rodapé ====== */
footer {
  text-align: center;
  padding: 20px;
  background: #eee;
  margin-top: 40px;
  font-size: 0.9rem;
  color: #444;
}

/* ====== Fixar o rodapé no fundo quando o conteúdo for curto ====== */
html, body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
}

footer {
  margin-top: auto;
}