:root {
  --bg-color: #01030d;
  --accent-color: #0cb8cf;
  --card-bg: rgba(12, 53, 70, 0.86);
  --text-color: #e1e2e3;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 30px;
  color: var(--accent-color);
}

/* Grade de 2 colunas e Quadrada */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  /* Máximo 2 colunas */
  gap: 15px;
  width: 100%;
  max-width: 400px;
  /* Ajuste conforme necessário */
}

.card {
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  aspect-ratio: 1 / 1;
  padding: 10px 20px;
  /* Força o formato quadrado */
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-color);
}

.card a {
  text-decoration: none;
  color: white;
  font-weight: 600;
  text-align: center;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Barra de Navegação Flutuante */
.nav {
  position: fixed;
  bottom: 20px;
  display: flex;
  gap: 20px;
  background: rgba(10, 13, 29, 0.9);
  padding: 10px 20px;
  border-radius: 30px;
  border: 1px solid var(--accent-color);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.nav button {
  background: none;
  border: none;
  color: white;
  position: relative;
  /* Necessário para posicionar a bolinha neon */
  font-size: 1.2rem;
  cursor: pointer;
  padding: 10px;
  display: flex;
  /* Transforma o botão em um container flex */
  align-items: center;
  /* Centraliza o ícone verticalmente */
  justify-content: center;
  /* Centraliza o ícone horizontalmente */
  transition: color 0.2s;
}

.nav button.active {
  color: var(--accent-color);
  pointer-events: none;
  /* Desativa o clique pois já estamos na Home */
}

/* Bolinha neon abaixo do ícone ativo */
.nav button.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  width: 5px;
  height: 5px;
  background-color: var(--accent-color);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-color), 0 0 5px var(--accent-color);
}

.nav button:disabled {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}

.nav button:hover {
  color: var(--accent-color);
}

/* Keyframes para o efeito Glitch sutil */
@keyframes subtle-glitch {

  0%,
  90%,
  100% {
    transform: translate(0);
    text-shadow: none;
  }

  92% {
    transform: translate(-2px, 1px);
    text-shadow: 2px 0 rgba(255, 0, 0, 0.3), -2px 0 rgba(0, 255, 255, 0.3);
  }

  94% {
    transform: translate(2px, -1px);
    text-shadow: -2px 0 rgba(255, 0, 0, 0.3), 2px 0 rgba(0, 255, 255, 0.3);
  }

  96% {
    transform: translate(-1px, -1px);
    opacity: 0.8;
  }

  98% {
    transform: translate(1px, 1px);
    text-shadow: 1px 0 var(--accent-color);
  }
}

/* Keyframes para o Fade-in sequencial */
@keyframes cardFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}