body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f8f9fb;
    color: #111;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.logo img {
    width: 180px;
}

nav a {
    margin-left: 20px;
    text-decoration: none;
    color: #0033cc;
    font-weight: bold;
}

.hero {
    background: linear-gradient(to right, #001d66, #0055ff);
    color: white;
    padding: 120px 40px;
    text-align: center;
}

.hero h1 {
    font-size: 52px;
}

.hero button {
    margin-top: 20px;
    padding: 15px 30px;
    border: none;
    background: white;
    color: #0033cc;
    font-size: 18px;
    border-radius: 8px;
    cursor: pointer;
}

.products {
    padding: 80px 40px;
    text-align: center;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.product-card {
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.product-card img {
    width: 100%;
    border-radius: 10px;
}

.product-card button {
    margin-top: 15px;
    padding: 12px 20px;
    background: #0055ff;
    color: white;
    border: none;
    border-radius: 8px;
}

.benefits {
    background: white;
    padding: 80px 40px;
    text-align: center;
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.reviews {
    padding: 80px 40px;
    text-align: center;
}

.review-card {
    background: white;
    padding: 25px;
    margin: 20px auto;
    max-width: 700px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.06);
}

footer {
    background: #001d66;
    color: white;
    text-align: center;
    padding: 40px;
}

.buy-btn{
    display:inline-block;
    background:#0057ff;
    color:white;
    padding:12px 25px;
    border-radius:8px;
    text-decoration:none;
    font-weight:bold;
    margin-top:15px;
}

.buy-btn:hover{
    background:#003ec7;
}