/* ===== Page Background ===== */
body{
  background:#f4f6f9;
}

/* ===== Header ===== */
.gallery-header{
  max-width:850px;
  margin:60px auto 40px;
  padding:0 15px;
  text-align:center;
}
.gallery-title{
  font-family:'Montserrat',sans-serif;
  font-size:48px;
  font-weight:700;
  color:#0f3d6b;
  margin-bottom:18px;
  letter-spacing:.5px;
  position:relative;
  display:inline-block;
  padding-bottom:12px;
}

.gallery-title::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  transform:translateX(-50%);
  width:120px;
  height:4px;
  border-radius:3px;
  background:linear-gradient(90deg, rgb(240,165,25), rgb(255,200,80));
}
.gallery-desc{
  font-size:15px;
  line-height:1.7;
  color:#6c757d;
  margin:0 auto;
}

/* ===== Grid ===== */
.gallery-grid{
  padding:10px 0 60px;
}

.gallery-item{
  position:relative;
  overflow:hidden;
  border-radius:16px;
  background:#fff;
  box-shadow:0 6px 18px rgba(0,0,0,.08);
  cursor:pointer;
}

.gallery-item img{
  width:100%;
  height:260px;
  object-fit:cover;
  transition:transform .4s ease;
}

.gallery-item:hover img{
  transform:scale(1.08);
}

/* ===== Lightbox ===== */
.lightbox{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.92);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:9999;
  padding:20px;
}

.lightbox img{
  max-width:92%;
  max-height:88vh;
  border-radius:12px;
  box-shadow:0 10px 40px rgba(0,0,0,.4);
}

.lightbox-close{
  position:absolute;
  top:25px;
  right:30px;
  font-size:38px;
  color:#fff;
  cursor:pointer;
  transition:.2s;
}

.lightbox-close:hover{
  transform:scale(1.15);
}

/* Navigation */
.lightbox-btn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  font-size:48px;
  color:#fff;
  cursor:pointer;
  padding:12px;
  user-select:none;
  transition:.2s;
}

.lightbox-btn:hover{
  transform:translateY(-50%) scale(1.2);
}

.lightbox-prev{ left:25px; }
.lightbox-next{ right:25px; }

/* ===== Responsive ===== */
@media (max-width:992px){
  .gallery-title{ font-size:40px; }
  .gallery-item img{ height:220px; }
}

@media (max-width:768px){
  .gallery-title{ font-size:34px; }
  .gallery-item img{ height:200px; }
  .lightbox-btn{ font-size:40px; }
  .lightbox-close{ font-size:32px; }
}

@media (max-width:576px){
  .gallery-header{ margin:40px auto 2z5px; }
  .gallery-title{ font-size:30px; }
  .gallery-desc{ font-size:15.5px; }
  .gallery-item img{ height:180px; }
}