* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Montserrat', sans-serif;
}

body {
  background-color: #ffffff;
  color: #1f3b8b;
}

header {
  background-color: #e0e6f8;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 28px;
  font-weight: 700;
}

nav a {
  margin: 0 15px;
  text-decoration: none;
  color: #1f3b8b;
  font-weight: 500;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  width: 0%;
  height: 2px;
  bottom: -3px;
  left: 0;
  background-color: #1f3b8b;
  transition: 0.3s;
}

nav a:hover::after {
  width: 100%;
}

.hero {
  background: linear-gradient(to right, #ffffff, #dbe3fa);
  padding: 100px 40px;
  text-align: center;
  animation: fadeIn 2s ease-in-out;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 20px;
}

.hero p {
  font-size: 20px;
  margin-bottom: 30px;
}

.hero a.button {
  background-color: #1f3b8b;
  color: white;
  padding: 15px 30px;
  text-decoration: none;
  border-radius: 30px;
  transition: background-color 0.3s, transform 0.2s;
}

.hero a.button:hover {
  background-color: #153174;
  transform: scale(1.05);
}

.section {
  padding: 60px 40px;
}

.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.product {
  border: 1px solid #ccd6f0;
  border-radius: 15px;
  padding: 20px;
  text-align: center;
  transition: transform 0.3s;
  background-color: white;
}

.product:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(31, 59, 139, 0.1);
}

.product img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  margin-bottom: 15px;
}

.product h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.product p.price {
  color: #1f3b8b;
  font-weight: 600;
}

footer {
  background-color: #e0e6f8;
  padding: 30px 40px;
  text-align: center;
  color: #1f3b8b;
  margin-top: 40px;
}

@keyframes fadeIn {
  from {opacity: 0; transform: translateY(20px);}
  to {opacity: 1; transform: translateY(0);}
}