* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #e0f7fa 0%, #f1f8e9 100%);
  background-attachment: fixed;
  background-size: cover;
}
.gallery-container {
  max-width: 1000px;
  margin: 50px auto;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 1;
}
.tabs {
  display: flex;
  justify-content: space-around;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.tab {
  padding: 12px 24px;
  border: none;
  background: #d1c4e9;
  cursor: pointer;
  transition: background 0.3s;
  font-size: 16px;
  border-radius: 30px;
  margin: 5px;
}
.tab.active,
.tab:hover {
  background: #9575cd;
  color: white;
}
.tab-content {
  display: none;
  flex-wrap: wrap;
  justify-content: flex-start;
}
.tab-content.active {
  display: flex;
}
.tab-content img {
  width: calc(33.333% - 20px);
  margin: 10px;
  border-radius: 10px;
  object-fit: cover;
  height: 200px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.tab-content img:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

/* Lightbox styles */
.lightbox {
  display: none;
  position: fixed;
  z-index: 999;
  padding-top: 60px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.9);
}
.lightbox-content {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 80%;
}
.close {
  position: absolute;
  top: 30px;
  right: 40px;
  color: #fff;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
}

.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  padding: 16px;
  color: white;
  font-weight: bold;
  font-size: 40px;
  transition: 0.3s ease;
  user-select: none;
  transform: translateY(-50%);
}
.next {
  right: 30px;
}
.prev {
  left: 30px;
}
.prev:hover, .next:hover {
  color: #ccc;
}

.gallery-title {
  text-align: center;
  font-size: 36px;
  color: #333;
  margin-bottom: 20px;
  font-weight: bold;
  letter-spacing: 1px;
}

@media (max-width: 1024px) {
  .tab-content img {
    width: calc(50% - 20px);
  }
}

@media (max-width: 600px) {
  .tab-content img {
    width: 100%;
    margin: 10px 0;
  }

  .tabs {
    flex-direction: column;
    align-items: center;
  }

  .tab {
    width: 90%;
    margin-bottom: 10px;
    text-align: center;
  }

  .gallery-title {
    font-size: 28px;
  }

  .prev, .next {
    font-size: 30px;
    padding: 12px;
  }

  .close {
    font-size: 30px;
    top: 20px;
    right: 20px;
  }
}

.logo-header {
  text-align: center;
  margin: 20px 0 0;
}
.logo-header img {
  max-width: 280px;
  height: auto;
}
.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 25px;
  right: 25px;
  z-index: 1000;
}
.whatsapp-float img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
  transition: transform 0.2s;
}
.whatsapp-float img:hover {
  transform: scale(1.1);
}

.footer {
  text-align: center;
  padding: 30px 10px;
  margin-top: 60px;
  background: #f3f3f3;
  color: #444;
  font-size: 14px;
  border-top: 1px solid #ccc;
}

.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.scroll-animate.visible {
  opacity: 1;
  transform: translateY(0);
}