```css
/* GENERAL */
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    font-family: 'Poppins', sans-serif;
    overflow-x: hidden;
}

h1,h2,h3,h4{
    font-family: 'Playfair Display', serif;
}

/* NAVBAR */
.navbar{
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(10px);
    padding: 15px 0;
}

.navbar-brand{
    color: #FF70D2 !important;
    font-size: 1.8rem;
    font-weight: bold;
}

.nav-link{
    color: white !important;
    margin-left: 15px;
}

.nav-link:hover{
    color: #FF70D2 !important;
}

/* HERO SECTION */
.hero-section{
    background:
    linear-gradient(rgba(0,0,0,0.6),
    rgba(0,0,0,0.2)),
    url('images/perfume1.jpeg');

    background-size: cover;
    background-position: center;

    min-height: 100vh;
}

.hero-content h1{
    font-size: 4rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.hero-content p{
    font-size: 1.1rem;
    margin-bottom: 25px;
    max-width: 500px;
}

/* BUTTON */
.shop-btn{
    background: #FF70D2;
    color: black;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: bold;
}

.shop-btn:hover{
    background: white;
    color: black;
}

/* PRODUCTS */
.products-section{
    background: #f8f5f0;
}

.section-title{
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.product-card{
    background: white;
    border-radius: 15px;
    overflow: hidden;
    transition: 0.4s;
    height: 100%;
}

.product-card:hover{
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.product-card img{
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.product-info{
    padding: 20px;
    text-align: center;
}

.product-info h4{
    margin-bottom: 10px;
}

.product-info p{
    color: gray;
}

.product-info h5{
    color: #FF70D2;
    margin: 15px 0;
}

/* ORDER BUTTON */
.order-btn{
    background: black;
    color: white;
    border-radius: 30px;
    padding: 10px 25px;
}

.order-btn:hover{
    background: #FF70D2;
    color: black;
}

/* ABOUT SECTION */
.about-section{
    background: white;
}

.about-text{
    max-width: 700px;
    margin: auto;
    margin-top: 20px;
    color: gray;
    line-height: 1.8;
}

/* FOOTER */
.footer{
    background: black;
    color: white;
    padding: 20px 0;
}

/* MOBILE RESPONSIVENESS */
@media(max-width:768px){

    .hero-content{
        text-align: center;
    }

    .hero-content h1{
        font-size: 2.5rem;
    }

    .hero-content p{
        font-size: 1rem;
        margin: auto;
        margin-bottom: 20px;
    }

    .section-title{
        font-size: 2rem;
    }

    .product-card img{
        height: 250px;
    }

    .nav-link{
        margin-left: 0;
        margin-top: 10px;
    }

} 

/* WHATSAPP BUTTON */
.whatsapp-btn{
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 65px;
    height: 65px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 1000;
    transition: 0.3s;
}

.whatsapp-btn img{
    width: 38px;
}

.whatsapp-btn:hover{
    transform: scale(1.1);
}
```