/* Reset básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Fundo geral */
body {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #f1f5f9;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Container principal */
.container {
  text-align: center;
  max-width: 800px;
  width: 100%;
  padding: 40px;
}

/* Título */
h1 {
  font-size: 2.5rem;
  margin-bottom: 30px;
  color: #38bdf8;
}

/* Lista */
ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

/* Links como cards */
li a {
  display: block;
  padding: 20px;
  background: #1e293b;
  border-radius: 12px;
  text-decoration: none;
  color: #f1f5f9;
  font-weight: 500;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

/* Hover bonito */
li a:hover {
  transform: translateY(-5px);
  background: #0f172a;
  border: 1px solid #38bdf8;
  color: #38bdf8;
  box-shadow: 0 10px 25px rgba(56, 189, 248, 0.2);
}

/* Botão voltar */
.buttons {
  position: fixed;
  top: 20px;
  left: 20px;
  background: #38bdf8;
  color: #0f172a;
  padding: 10px 16px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(56, 189, 248, 0.3);
}

/* Hover */
.buttons:hover {
  background: #0ea5e9;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(56, 189, 248, 0.5);
}