/* Reset básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Estilo geral */
body {
  font-family: "Segoe UI", Arial, sans-serif;
  background-color: #f7f8fa;
  color: #333;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Cabeçalho */
header {
  background-color: #ce3b3b; /* vermelho escuro */
  color: #fff;
  text-align: center;
  padding: 2rem 1rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

header h1 {
  font-size: 2rem;
  font-weight: 600;
}

/* Conteúdo principal */
main {
  flex: 1;
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

/* Introdução */
.intro {
  background-color: #fff;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  margin-bottom: 2rem;
}

.intro p {
  margin-bottom: 1rem;
}

/* Container dos cards */
.periodicos {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* CARD — estilo horizontal com imagem */
.card {
  display: flex;
  align-items: center;
  background-color: #ffffff;
  border-left: 6px solid #ce3b3b; /* vermelho escuro */
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card-img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  background-color: #f5f5f500;
  padding: 10px;
  border-right: 1px solid #eeeeee00;
}

.card-content {
  padding: 1.2rem 1.5rem;
  flex: 1;
}

.card h2 {
  font-size: 1.25rem;
  color: #ce3b3b;
  margin-bottom: 0.5rem;
}

.card p {
  color: #555;
  font-size: 0.95rem;
}

/* Botões */
.btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.6rem 1.2rem;
  background-color: #ce3b3b;
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  border-radius: 5px;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  background-color: #a62c2c;
  transform: scale(1.03);
}

/* Rodapé */
footer {
  background-color: #ce3b3b;
  color: #fff;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  margin-top: 2rem;
}