/* Reset & base */
  margin: 0;
* {
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Poppins', sans-serif;
  background: skyblue;
  color: #e0f2f1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
h1, h2, h3 {
  text-align: center;
  margin: 20px 0;
  font-weight: 600;
  text-shadow: 2px 2px 4px #0008;
}

/* Navbar */
.navbar {
  background: #00251a;
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px #0009;
}
.navbar .logo {
  font-weight: 700;
  font-size: 1.8rem;
  color: #a5d6a7;
  letter-spacing: 1.2px;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 15px;
}
.nav-links li button {
  background: transparent;
  border: none;
  color: #a5d6a7;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 6px;
  transition: background 0.3s ease;
}
.nav-links li button:hover,
.nav-links li button.active {
  background: #a5d6a7;
  color: #00251a;
}

/* Main content slides */
main {
  flex-grow: 1;
  padding: 20px;
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 12px;
  box-shadow: 0 0 20px #004d40;
  min-height: 600px;
  overflow: hidden;
}

/* Slide */
.slide {
  opacity: 0;
  transform: translateX(100%);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  transition: all 0.6s ease;
  padding: 20px;
  pointer-events: none;
  overflow-y: auto;
  max-height: 600px;
  background: rgba(0, 77, 64, 0.8);
  border-radius: 12px;
}
.slide.active {
  opacity: 1;
  transform: translateX(0);
  position: relative;
  pointer-events: auto;
}

/* Location buttons container */
.location-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
  margin-top: 25px;
}
.location-buttons.column {
  flex-direction: column;
  align-items: center;
}
.location-btn {
  background: #004d40;
  border: 2px solid #a5d6a7;
  color: #a5d6a7;
  padding: 12px 20px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 10px;
  font-size: 1.1rem;
  transition: 0.3s ease;
  min-width: 180px;
  text-align: center;
}
.location-btn:hover {
  background: #a5d6a7;
  color: #004d40;
}

/* Gallery */
.gallery {
  display: -moz-groupbox;
  grid-template-columns: repeat(auto-fit,minmax(180px,1fr));
  gap: 15px;
  margin: 20px auto;
  width max: 800px;
}
.gallery img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 0 10px black;
  transition: transform 0.3s ease;
  cursor: pointer;
}
.gallery img:hover {
  transform: scale(1.1);
}

/* Map iframe */
iframe {
  width: 100%;
  height: 320px;
  border: none;
  border-radius: 12px;
  margin-top: 15px;
  box-shadow: 0 0 15px black;
}

/* Footer */
footer {
  text-align: center;
  padding: 12px;
  background: #00251a;
  font-size: 0.9rem;
  color: #a5d6a7;
  letter-spacing: 1px;
}

/* Scrollbar inside slide */
.slide::-webkit-scrollbar {
  width: 8px;
}
.slide::-webkit-scrollbar-track {
  background: #00251a;
  border-radius: 6px;
}
.slide::-webkit-scrollbar-thumb {
  background: #a5d6a7;
  border-radius: 6px;
}

/* Responsive adjustments */
@media (max-width: 720px) {
  main {
    max-width: 100%;
    padding: 10px;
    min-height: 100vh;
  }
  .nav-links {
    font-size: 0.9rem;
  }
  .location-btn {
    min-width: 140px;
    font-size: 1rem;
  }
  h1, h2, h3 {
    font-size: 1.4rem;
  }
  .gallery {
    grid-template-columns: repeat(auto-fit,minmax(140px,1fr));
  }
}