body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f4f6f8;
  color: #222;
  line-height: 1.6;
}

header {
  background: #1f2933;
  color: white;
  padding: 50px 20px;
  text-align: center;
  position: relative;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

header h1 {
  margin: 0;
  font-size: 36px;
  letter-spacing: 1px;
  font-weight: 700;
}

header p {
  margin-top: 12px;
  opacity: 0.85;
  font-size: 18px;
}

.lang-switch {
  position: absolute;
  top: 15px;
  right: 20px;
  display: flex;
  gap: 8px;
}

.lang-switch button {
  padding: 7px 12px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  background: #ffffff;
  color: #1f2933;
  transition: 0.2s;
}

.lang-switch button:hover {
  background: #dbe2ea;
}

main {
  max-width: 850px;
  margin: 40px auto;
  background: white;
  padding: 35px;
  border-radius: 12px;
  box-shadow: 0 4px 25px rgba(0,0,0,0.08);
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

section {
  margin-bottom: 35px;
}

h2 {
  border-bottom: 2px solid #e5e7eb;
  padding-bottom: 10px;
  margin-bottom: 18px;
  font-size: 22px;
  font-weight: 600;
}

.info {
  font-size: 17px;
}

.email {
  font-weight: bold;
  font-size: 18px;
  color: #1f2933;
}

footer {
  text-align: center;
  padding: 25px;
  font-size: 14px;
  color: #666;
}

@media (max-width: 600px) {
  header {
    padding: 35px 15px;
  }

  header h1 {
    font-size: 28px;
  }

  main {
    margin: 20px 10px;
    padding: 20px;
  }

  h2 {
    font-size: 19px;
  }

  .lang-switch button {
    padding: 5px 8px;
    font-size: 12px;
  }
}