:root {
  --bg-dark-1: #0f172a;
  --bg-dark-2: #020617;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --success: #16a34a;
  --text-light: #e2e8f0;
  --text-muted: #94a3b8;
  --white: #ffffff;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --transition: 0.3s ease;
  --shadow-strong: 0 20px 50px rgba(0,0,0,0.6);
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Arial", sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  color: var(--white);

  background:
    linear-gradient(135deg, rgba(15,23,42,0.95), rgba(2,6,23,0.95)),
    url("imagens/spyimagem.jpeg");

  background-size: cover;
  background-position: center;
}

/* Topo */
.topo {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 18px;
  text-align: center;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(8px);
}

.logo {
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 1px;
}

/* Card Principal */
.card {
  width: min(95%, 420px);
  background: rgba(255,255,255,0.05);
  padding: 30px;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-strong);
  animation: fadeUp 0.6s ease;
}

h1 {
  font-size: 22px;
  margin-bottom: 15px;
}

.sub {
  font-size: 15px;
  color: #cbd5e1;
  margin-bottom: 20px;
  line-height: 1.5;
}

/* Benefícios */
.beneficios {
  list-style: none;
  margin-bottom: 25px;
}

.beneficios li {
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text-light);
}

/* CTA */
.cta-area {
  margin-bottom: 25px;
}

.btn-primary {
  width: 100%;
  padding: 16px;
  border-radius: var(--radius-md);
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}

/* Seleção de Dispositivo */
.dispositivo-texto {
  font-size: 14px;
  margin-bottom: 10px;
  color: var(--text-muted);
}

.botoes-dispositivo {
  display: flex;
  gap: 10px;
}

.btn {
  flex: 1;
  padding: 14px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  color: var(--white);
}

.android {
  background: var(--success);
}

.ios {
  background: #000;
}

.btn:hover {
  transform: scale(1.05);
}

/* Termos */
.termos {
  font-size: 12px;
  margin-top: 20px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.4;
}

/* Botão Suporte */
.support-fixed {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--primary);
  padding: 14px 18px;
  border-radius: 50px;
  border: none;
  color: var(--white);
  cursor: pointer;
  font-size: 14px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.4);
  transition: var(--transition);
}

/* ÁREA DE LOADING */
.loading-area {
  margin-top: 20px;
  text-align: center;
}

.progress-bar {
  width: 100%;
  height: 10px;
  background: #1e293b;
  border-radius: 20px;
  overflow: hidden;
  margin-top: 10px;
}

.progress {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #22c55e, #16a34a);
  transition: width 0.3s ease;
}

.support-fixed:hover {
  transform: scale(1.1);
}

/* Animação */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsividade Extra */
@media (max-width: 480px) {
  .card {
    padding: 22px;
  }

  h1 {
    font-size: 20px;
  }

  .btn-primary {
    padding: 14px;
  }
}