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

html{
    scroll-behavior:smooth;
}

body{
    background:#0f172a;
    color:white;
}

/* Header */

header{
    position:fixed;
    width:100%;
    background:#111827;
    padding:15px 8%;
    z-index:1000;
    box-shadow:0 5px 15px rgba(0,0,0,.3);
}

nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
}

nav ul{
    display:flex;
    list-style:none;
    gap:30px;
}

nav a{
    color:white;
    text-decoration:none;
    transition:.3s;
}

nav a:hover{
    color:#22c55e;
}

.logo{
    font-size:30px;
    font-weight:bold;
    color:#22c55e;
}

/* Hero Section */

.hero{
    height:100vh;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:100px 8%;
    gap:50px;
}

.hero img{
    width:500px;
    border-radius:25px;
    box-shadow:0 0 30px rgba(0,255,120,.35);
}

.hero h1{
    font-size:60px;
}

.hero p{
    margin:20px 0;
    font-size:22px;
    line-height:1.6;
}

button{
    padding:15px 30px;
    background:#22c55e;
    border:none;
    color:white;
    border-radius:30px;
    cursor:pointer;
    font-size:18px;
    transition:.4s;
}

button:hover{
    transform:scale(1.08);
    background:#16a34a;
}

/* Common Section Styling */

.about,
#benefits,
#products,
#nutrition,
.testimonial,
#contact{
    padding:80px 8%;
}

.about h2,
#benefits h2,
#products h2,
#nutrition h2,
.testimonial h2,
#contact h2{
    text-align:center;
    font-size:40px;
    color:#22c55e;
    margin-bottom:40px;
}

.about{
    text-align:center;
}

.about p{
    max-width:900px;
    margin:auto;
    line-height:1.8;
    font-size:18px;
}

/* Benefit Cards */

.cards{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:25px;
    margin-top:40px;
}

.card{
    background:#1e293b;
    padding:30px;
    border-radius:20px;
    text-align:center;
    transition:.4s;
    box-shadow:0 10px 20px rgba(0,0,0,.25);
}

.card:hover{
    transform:translateY(-10px);
}

.card i{
    font-size:50px;
    color:#22c55e;
    margin-bottom:20px;
}

.card h3{
    margin-bottom:15px;
}

/* Products */

.product-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:30px;
    margin-top:40px;
}

.product{
    background:#1e293b;
    border-radius:20px;
    overflow:hidden;
    text-align:center;
    transition:.4s;
    box-shadow:0 10px 25px rgba(0,0,0,.3);
}

.product:hover{
    transform:translateY(-10px);
}

.product img{
    width:100%;
    height:250px;
    object-fit:cover;
}

.product h3{
    margin:20px 0 10px;
    font-size:24px;
}

.product p{
    color:#22c55e;
    font-size:22px;
    margin-bottom:15px;
}

.product button{
    margin-bottom:20px;
}

/* Nutrition Table */

table{
    width:100%;
    max-width:850px;
    margin:40px auto;
    border-collapse:collapse;
    background:#1e293b;
    border-radius:15px;
    overflow:hidden;
}

th{
    background:#22c55e;
    color:white;
}

th,
td{
    padding:18px;
    text-align:center;
    border:1px solid rgba(255,255,255,.15);
}

/* Testimonials */

.testimonial{
    text-align:center;
}

.review{
    background:#1e293b;
    max-width:700px;
    margin:auto;
    padding:40px;
    border-radius:20px;
    box-shadow:0 10px 25px rgba(0,0,0,.3);
}

.review h4{
    margin-top:20px;
    color:#22c55e;
}

/* Contact */

form{
    display:flex;
    flex-direction:column;
    max-width:600px;
    width:100%;
    margin:40px auto 0;
    gap:20px;
}

input,
textarea{
    padding:16px;
    border:none;
    border-radius:12px;
    background:#1e293b;
    color:white;
    font-size:16px;
}

input::placeholder,
textarea::placeholder{
    color:#bdbdbd;
}

textarea{
    min-height:150px;
    resize:none;
}

/* Footer */

footer{
    text-align:center;
    padding:25px;
    background:#111827;
    margin-top:50px;
}

/* Responsive */

@media(max-width:900px){

.hero{
    flex-direction:column;
    text-align:center;
    padding:120px 8% 60px;
    height:auto;
}

.hero img{
    width:90%;
    margin-top:30px;
}

.hero h1{
    font-size:42px;
}

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

.product-grid{
    grid-template-columns:1fr;
}

.review{
    width:100%;
}

table{
    width:100%;
}

form{
    width:100%;
}

nav ul{
    gap:15px;
    font-size:14px;
}

}