body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: #222;
  background-color: #fff;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 3rem;
  position: sticky;
  top: 0;
  background-color: white;
  z-index: 1000;
}

header h1 {
  font-size: 2rem;
  margin: 0;
}

nav a {
  margin-left: 1.5rem;
  text-decoration: none;
  color: #222;
  font-weight: 500;
  position: relative;
}

nav a.active,
nav a:hover {
  border-bottom: 2px solid #000;
}

.main {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 3rem;
  max-width: 800px;
  margin: auto;
}

.main .text {
  width: 100%;
  text-align: center;
}

.main .text p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.contact-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e0e0e0;
}

.contact-info a,
.contact-info span {
  text-decoration: none;
  color: #555;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.contact-info a:hover {
  color: #000;
}

@media (max-width: 768px) {
  header {
    padding: 1.5rem;
  }

  .main {
    padding: 2rem 1.5rem;
  }

  nav a {
    margin-left: 1rem;
  }

  .contact-info {
    gap: 1rem;
  }
}