* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e0e0e0 0%, #c0c0c0 50%, #a8a8a8 100%);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 1rem;
}

.card {
  background: rgba(255, 255, 255, 0.95);
  padding: 3rem 4rem;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  text-align: center;
  animation: aparecer 1s ease-out;
}

h1 {
  font-size: 4rem;
  color: #764ba2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

p {
  margin-top: 0.5rem;
  color: #555;
  font-size: 1.2rem;
}

.motivacao {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 2px dashed #e0d4f7;
}

.motivacao h2 {
  font-size: 1.5rem;
  color: #667eea;
  margin-bottom: 1rem;
}

.motivacao ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.motivacao li {
  background: #f5f3ff;
  color: #444;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 1rem;
  transition: transform 0.2s ease, background 0.2s ease;
}

.motivacao li:hover {
  transform: scale(1.02);
  background: #ede9fe;
}

.passaro {
  position: fixed;
  top: var(--topo);
  left: -60px;
  font-size: 2rem;
  opacity: 0.85;
  pointer-events: none;
  animation: voar var(--duracao) linear var(--atraso) infinite;
  z-index: 0;
}

@keyframes voar {
  0% {
    transform: translateX(-10vw) translateY(0) scaleX(1);
  }
  25% {
    transform: translateX(25vw) translateY(-15px) scaleX(1);
  }
  50% {
    transform: translateX(50vw) translateY(10px) scaleX(1);
  }
  75% {
    transform: translateX(75vw) translateY(-10px) scaleX(1);
  }
  100% {
    transform: translateX(110vw) translateY(0) scaleX(1);
  }
}

@keyframes aparecer {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}