* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f4f6f8;
  color: #222;
}

header {
  background: linear-gradient(135deg, #1f2937, #374151);
  color: white;
  padding-bottom: 60px;
}

nav {
  max-width: 1100px;
  margin: auto;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav h1 {
  font-size: 24px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  color: #93c5fd;
}

.hero {
  text-align: center;
  padding: 80px 20px;
}

.hero h2 {
  font-size: 42px;
  margin-bottom: 15px;
}

.hero p {
  font-size: 18px;
  margin-bottom: 25px;
}

.btn {
  display: inline-block;
  background-color: #2563eb;
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
}

.btn:hover {
  background-color: #1d4ed8;
}

.section {
  max-width: 1100px;
  margin: 40px auto;
  padding: 30px 20px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.section h2 {
  margin-bottom: 15px;
  color: #1f2937;
}

.cards {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}

.card {
  flex: 1;
  background-color: #f9fafb;
  border-radius: 10px;
  border: 1px solid #ddd;
  overflow: hidden;
  transition: transform 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card img {
  width: 100%;
  height: 160px;
  object-fit: contain;
}

.card h3 {
  margin: 15px;
  color: #2563eb;
}

.card p {
  margin: 0 15px 20px;
}

.gallery {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}
.gallery img{
    flex: 1;
  height: 200px;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid #ddd;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gallery img:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 18px rgba(0,0,0,0.12);
}

.image-box {
  flex: 1;
  height: 180px;
  background-color: #e5e7eb;
  border: 2px dashed #9ca3af;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #555;
  border-radius: 10px;
}

footer {
  text-align: center;
  padding: 20px;
  background-color: #1f2937;
  color: white;
  margin-top: 40px;
}

@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: 15px;
  }

  nav ul,
  .cards,
  .gallery {
    flex-direction: column;
  }

  .hero h2 {
    font-size: 32px;
  }
}