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

body {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background: #f8f9fa;
  color: #333;
  max-width: 800px;
  margin: 40px auto;
  padding: 20px;
  line-height: 1.8;
}

h1 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: #0d6efd;
}

h2 {
  font-size: 1.4rem;
  margin-top: 30px;
  margin-bottom: 10px;
  color: #198754;
}

p {
  margin-bottom: 15px;
}

ul {
  list-style: disc inside;
  margin-bottom: 20px;
}

a {
  color: #0d6efd;
  text-decoration: underline;
}

a:hover {
  color: #198754;
}

/* Language toggle */
.lang-toggle {
  text-align: right;
  margin-bottom: 20px;
}

.lang-toggle strong {
  margin-right: 10px;
  color: #555;
}

.lang-toggle button {
  background: #0d6efd;
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: 20px;
  margin-left: 5px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.lang-toggle button:hover {
  background: #198754;
}

/* Sections */
.lang-section {
  display: none;
  animation: fade 0.6s ease forwards;
}

.lang-section.active {
  display: block;
}

@keyframes fade {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 600px) {
  body {
    margin: 20px auto;
    padding: 15px;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.3rem;
  }
}