body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0b0b0b;
  color: #ffcc00;
}

header {
  text-align: center;
  padding: 20px;
}


/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(135deg, #0b132b, #1c2541);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 15px rgba(0,0,0,0.25);
}

/* LOGO */
.navbar .logo {
  font-size: 1.4em;
  font-weight: 700;
  color: #ffffff;
  text-decoration: none;
  letter-spacing: 0.5px;
}

/* LINKS */
.nav-links {
  display: flex;
  gap: 22px;
}

.nav-links a {
  color: #eaeaea;
  text-decoration: none;
  font-size: 1em;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 20px;
  transition: background 0.3s, color 0.3s;
}

/* HOVER */
.nav-links a:hover {
  background: rgba(255,255,255,0.15);
  color: #ffffff;
}

/* ACTIVE (optional) */
.nav-links a.active {
  background: #00c6ff;
  color: #0b132b;
}

/* MOBILE */
@media (max-width: 600px) {
  .nav-links {
    flex-wrap: wrap;
    gap: 10px;
  }

  .nav-links a {
    font-size: 0.9em;
    padding: 6px 12px;
  }
}



.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  padding: 15px;
}

.gallery img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 12px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.gallery img:hover {
  transform: scale(1.05);
  box-shadow: 0 0 15px #ffcc00;
}



/*   BACK BUTTON  */
.BTN {
  display: inline-block;
  background: linear-gradient(135deg, #007bff, #00c6ff);
  color: #ffffff;
  text-decoration: none;
  padding: 10px 26px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.95em;
  box-shadow: 0 6px 15px rgba(0,0,0,0.25);
  transition: all 0.3s ease;
}

/* hover effect */
.BTN:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(0,0,0,0.35);
  background: linear-gradient(135deg, #0056b3, #0099cc);
}

/* active (click) */
.BTN:active {
  transform: translateY(0);
  box-shadow: 0 4px 10px rgba(0,0,0,0.25);
}