:root {
  --matrix-green: #00ff00;
}

/* Base */
body {
  font-family: "Courier New", monospace;
  background: black;
  color: var(--matrix-green);
  margin: 0;
  overflow: hidden;
}

/* Matrix */
canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
}

/* Centralização */
.center-content {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

/* Título */
h1 {
  font-size: 52px;
  margin-bottom: 12px;
  color: var(--matrix-green);
  text-shadow:
    0 0 10px var(--matrix-green),
    0 0 25px rgba(0, 255, 0, 0.8);
}

/* Texto */
p {
  font-size: 18px;
  margin-bottom: 30px;
  color: var(--matrix-green);
  opacity: 0.9;
}

/* Botão */
.btn {
  display: inline-block;
  padding: 16px 36px;
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  color: black;
  background: var(--matrix-green);
  border-radius: 6px;
  box-shadow:
    0 0 15px rgba(0, 255, 0, 0.9),
    0 0 30px rgba(0, 255, 0, 0.6);
  transition: all 0.25s ease;
}

.btn:hover {
  transform: scale(1.08);
  box-shadow:
    0 0 20px rgba(0, 255, 0, 1),
    0 0 40px rgba(0, 255, 0, 0.9);
}