/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
body { background: #f8f8f8; color: #333; scroll-behavior: smooth; }

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #004aad;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
  color: white;
}
.logo {
  font-size: 24px;
  font-weight: bold;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 25px;
}
.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}
.nav-links a:hover {
  color: #ffcc00;
}

/* Hero Slider */
.hero-slider {
  position: relative;
  width: 100%;
  height: 90vh;
  overflow: hidden;
}
.slide {
  position: absolute;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}
.slide.active { opacity: 1; }

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.45);
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
}
.overlay h2 { font-size: 48px; margin-bottom: 15px; }
.overlay p { font-size: 18px; margin-bottom: 25px; }
.btn {
  background: #ffcc00;
  color: #333;
  padding: 12px 25px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
  transition: all .3s;
}
.btn:hover { background: #ffaa00; transform: scale(1.05); }

/* Categories */
.categories {
  padding: 60px 20px;
  text-align: center;
}
.categories h2 {
  font-size: 32px;
  color: #004aad;
  margin-bottom: 30px;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  max-width: 1100px;
  margin: 0 auto;
}
.category-card {
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}
.category-card:hover { transform: scale(1.03); }
.category-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.category-card h3 {
  padding: 15px;
  font-size: 20px;
  color: #333;
}

/* Contact */
.contact {
  background: white;
  padding: 50px 20px;
  text-align: center;
}
.contact h2 {
  font-size: 30px;
  color: #004aad;
  margin-bottom: 15px;
}
.contact p {
  font-size: 18px;
  margin: 8px 0;
}

/* Footer */
footer {
  background: #004aad;
  color: white;
  text-align: center;
  padding: 20px;
  font-size: 16px;
}

/* Responsive */
@media (max-width: 768px) {
  .navbar { padding: 10px 20px; flex-direction: column; }
  .nav-links { flex-direction: column; align-items: center; gap: 10px; }
  .overlay h2 { font-size: 30px; }
  .overlay p { font-size: 16px; }
  .btn { padding: 10px 20px; }
}