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

body{
    line-height:1.6;
    background:#f5f7fb;
}

nav{
    display:flex;
    justify-content:space-between;
    padding:20px;
    background:#0d47a1;
    color:#fff;
}

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

nav a{
    color:#fff;
    text-decoration:none;
}

.hero{
    text-align:center;
    padding:100px 20px;
    background:#1976d2;
    color:#fff;
}

.btn{
    display:inline-block;
    margin-top:20px;
    padding:12px 24px;
    background:#fff;
    color:#1976d2;
    text-decoration:none;
    border-radius:5px;
}

.container{
    max-width:1200px;
    margin:auto;
    padding:60px 20px;
}

.container h2{
    text-align:center;
    margin-bottom:40px;
    color:#0d47a1;
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
}

.card{
    background:#fff;
    border-radius:12px;
    overflow:hidden;
    box-shadow:0 8px 20px rgba(0,0,0,.12);
    transition:.3s;
    text-align:center;
}

.card:hover{
    transform:translateY(-8px);
}

.card img{
    width:100%;
    height:220px;
    object-fit:cover;
}

.card h3{
    margin-top:18px;
    color:#0d47a1;
}

.card p{
    padding:10px 18px;
    color:#555;
}

.product-btn{
    display:inline-block;
    margin:15px 0 20px;
    padding:10px 20px;
    background:#1976d2;
    color:#fff;
    text-decoration:none;
    border-radius:6px;
}

.product-btn:hover{
    background:#0d47a1;
}

form{
    display:flex;
    flex-direction:column;
    gap:15px;
}

input,
textarea{
    padding:12px;
}

button{
    padding:12px;
    background:#1976d2;
    color:#fff;
    border:none;
    cursor:pointer;
}

footer{
    text-align:center;
    padding:20px;
    background:#222;
    color:#fff;
}

.whatsapp{
    position:fixed;
    bottom:20px;
    right:20px;
    background:#25D366;
    color:#fff;
    padding:12px 16px;
    border-radius:30px;
    text-decoration:none;
}