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

::-webkit-scrollbar {
  display: none;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #333;
}

/* Cabeçalho estilizado */
header {
  padding: 20px;
  background-color: #3a6ea5;
  color: white;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  text-align: center;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.header-logo {
  max-width: 60px;
  margin-right: 15px;
}

header h1 {
  font-size: 1.8em;
  flex-grow: 1;
  text-align: center;
}

.back-button {
  padding: 8px 16px;
  background-color: #4CAF50;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s;
}

.back-button:hover {
  background-color: #398d3c;
}
main {
  max-width: 900px;
  margin: 20px auto;
  padding: 0 20px;
}

.site-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
}

@media(min-width: 768px) {
  .site-list {
      grid-template-columns: repeat(3, 1fr); /* 3 colunas em telas maiores */
  }
}

/* Centraliza o último item da grade */
.site-list > .site-item:nth-last-child(1) {
  grid-column: 2 / span 1;
}

.site-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #ffffff;
  padding: 20px;
  border: 2px solid #3a6ea5;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s;
}

.site-item:hover {
  transform: scale(1.03);
  border-color: #4CAF50;
}

.site-item h2 {
  font-size: 1.6em;
  color: #3a6ea5;
  margin: 10px 0;
}

.site-item p {
  margin-bottom: 15px;
  color: #555;
}

/* Estilização da logo */
.logoB {
  max-width: 500px;
  margin-bottom: 15px;
  border-radius: 50%;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.logoH {
  max-width: 200px;
  margin-bottom: 15px;
  border-radius: 50%;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.logoF {
  max-width: 300px;
  margin-bottom: 15px;
  border-radius: 50%;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.logoS {
  max-width: 200px;
  margin-bottom: 15px;
  border-radius: 50%;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.logo {
  max-width: 100px;
  margin-bottom: 15px;
  border-radius: 50%;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* Botão estilizado */
.button {
  display: inline-block;
  padding: 12px 24px;
  background-color: #4CAF50; /* Verde brilhante */
  color: white;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s, transform 0.2s;
}

.button:hover {
  background-color: #3a9e55;
  transform: scale(1.05);
}

/* Rodapé */
footer {
  text-align: center;
  padding: 15px;
  background-color: #333;
  color: white;
  margin-top: 20px;
  box-shadow: 0 -4px 8px rgba(0, 0, 0, 0.2);
}