:root {
  --primary: #00EAFF;
  --secondary: #0AB4D8;
  --dark: #050B14;
  --glow: #5CFAFF;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", system-ui, sans-serif;
}

body {
  height: 100vh;
  background: radial-gradient(circle at top, #081a2f, var(--dark));
  color: #ffffff;
  overflow: hidden;
}

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

/* Conteúdo */
.container {
  position: relative;
  z-index: 2;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
}

/* Logo em texto */
.glow {
  font-size: 3.8rem;
  color: var(--primary);
  text-shadow:
    0 0 10px var(--primary),
    0 0 25px var(--secondary),
    0 0 50px var(--glow);
  animation: pulse 2.2s infinite alternate;
}

.subtitle {
  margin-top: 10px;
  letter-spacing: 4px;
  color: #9befff;
  font-size: 0.9rem;
}

.line {
  width: 240px;
  height: 2px;
  margin: 25px 0;
  background: linear-gradient(
    90deg,
    transparent,
    var(--primary),
    transparent
  );
}

.description {
  max-width: 520px;
  opacity: 0.85;
  font-size: 1rem;
}

/* Botões */
.buttons {
  display: flex;
  gap: 15px;
  margin-top: 30px;
}

.btn {
  padding: 14px 36px;
  border-radius: 30px;
  border: 1px solid var(--primary);
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  font-size: 0.95rem;
  letter-spacing: 1px;
  transition: all 0.35s ease;
  text-decoration: none;
}

.btn:hover {
  background: var(--primary);
  color: #000;
  box-shadow:
    0 0 15px var(--primary),
    0 0 40px var(--secondary);
  transform: scale(1.05);
}

.secondary {
  border-color: var(--secondary);
  color: var(--secondary);
}

.secondary:hover {
  background: var(--secondary);
  color: #000;
  box-shadow:
    0 0 15px var(--secondary),
    0 0 40px var(--primary);
}

/* Animação */
@keyframes pulse {
  from {
    text-shadow: 0 0 10px var(--primary);
  }
  to {
    text-shadow:
      0 0 30px var(--primary),
      0 0 60px var(--glow);
  }
}