body {
  font-family: Arial, sans-serif;
  margin: 0; padding: 0;
  line-height: 1.6;
  background-color: #323339;
}
.navbar {
  background-color: #333;
  display: flex; justify-content: center; flex-wrap: wrap;
}
.navbar a {
  color: #fff; padding: 14px 20px;
  text-decoration: none; text-align: center;
}
.navbar a:hover {
  background-color: #575757;
}
.header {
  background-color: #3d3e46;
  padding: 20px;
  display: flex; align-items: center; justify-content: center;
}
.header-logo {
  height: 50px; margin-right: 15px;
}
.header h1 {
margin: 0; font-size: 2.4rem; color: #fff;
}
.gallery {
  display: flex; flex-wrap: wrap; gap: 10px;
  padding: 20px; justify-content: center;
}
.gallerysmall {
  display: flex; flex-wrap: wrap; gap: 10px;
  padding: 20px; justify-content: center;
}
.gallery img {
  max-width: 100%; height: auto;
  border: 1px solid #ddd; border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  cursor: zoom-in;
  transition: transform 0.2s ease;
}
.gallerysmall img {
  max-width: 100%; height: auto;
  border: 1px solid #ddd; border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  cursor: zoom-in;
  transition: transform 0.2s ease;
}
@media(min-width: 600px) {
  .gallery img {
    width: calc(33.333% - 10px);
  }
}
@media(min-width: 600px) {
  .gallerysmall img{
    width: calc(25% - 10px);
  }
}
.img-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.img-overlay.active {
  display: flex;
}
.img-overlay img {
  max-width: 90%;
  max-height: 90%;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
  cursor: zoom-out;
}
.nav-icon {
  width: 24px;
  height: 24px;
  vertical-align: middle;
  margin-right: 4px;
}
.btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  font-size: 1.3rem;
  background-color: #007acc;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
  transition: background-color 0.2s;
}
.btnsmall {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 1.1rem;
  background-color: #007acc;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
  transition: background-color 0.2s;
}
.btn:hover {
  background-color: #005fa3;
}
.btn-icon {
  width: 48px;
  height: 48px;
  margin-right: 8px;
  vertical-align: middle;
}
.section-intro {
  text-align: center;
  margin: 20px 0 10px;

}
.section-intro h2 {
  font-size: 2.3rem;
  color: #fff;
  margin: 0;
  font-weight: bold;
}
.section-intro h3 {
  font-size: 1.5rem;
  color: #fff;
  margin: 0;
  font-weight: normal;
}
.section-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 0 auto;
  max-width: 1280px;
}