body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5fbff;
  color: #222;
}

header {
  background: rgba(135, 206, 235, 0.75);
  backdrop-filter: blur(10px);
  padding: 20px;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 1000;
}


nav a:hover {
  color: gold;
}

header h1 {
  color: white;
}

nav {
  margin-top: 10px;
}

nav a {
    color: white;
  text-decoration: none;
  margin: 0 15px;
  font-weight: bold;
  transition: 0.3s;
}

.hero {
  text-align: center;
  padding: 140px 20px;

  background:
  linear-gradient(rgba(255,255,255,0.7),
  rgba(255,255,255,0.7)),
  url('https://images.unsplash.com/photo-1504208434309-cb69f4fe52b0');

  background-size: cover;
  background-position: center;
}

.hero h2 {
  font-size: 50px;
}

.hero p {
  font-size: 18px;
}

button {
  background: gold;
  border: none;
  padding: 14px 28px;
  border-radius: 30px;
  font-weight: bold;
  cursor: pointer;
}

.services {
  text-align: center;
  padding: 60px 20px;
}

.cards {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.card {
  background: white;
  padding: 30px;
  width: 180px;
  border-radius: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  font-weight: bold;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.gallery {
  padding: 70px 20px;
  text-align: center;
}

.gallery-categories {
  margin-bottom: 30px;
}

.gallery-categories button {
  margin: 8px;
}

.masonry-gallery {
  columns: 3 250px;
  column-gap: 20px;
  max-width: 1100px;
  margin: auto;
}

.masonry-gallery img {
  width: 100%;
  margin-bottom: 20px;
  border-radius: 18px;
  break-inside: avoid;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: 0.3s;
}

.masonry-gallery img:hover {
  transform: scale(1.03);
  }
  #lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.9);

  display: none;
  justify-content: center;
  align-items: center;

  z-index: 2000;
}

#lightbox img {
  max-width: 85%;
  max-height: 85%;
  border-radius: 20px;
}

#closeBtn {
  position: absolute;
  top: 30px;
  right: 40px;

  color: white;
  font-size: 50px;
  cursor: pointer;
}

footer {
  background: #87ceeb;
  text-align: center;
  padding: 20px;
  color: white;
}