*{
box-sizing:border-box;
}

html{
scroll-behavior:smooth;
}

body{
margin:0;
font-family:Arial,sans-serif;
color:#333;
background:
radial-gradient(circle at 10% 15%, rgba(124,58,237,.20), transparent 30%),
radial-gradient(circle at 90% 10%, rgba(10,102,194,.20), transparent 30%),
radial-gradient(circle at 50% 90%, rgba(236,72,153,.15), transparent 35%),
linear-gradient(135deg,#eef4ff,#f8f3ff,#ffffff);
background-attachment:fixed;
min-height:100vh;
}

header{
background:linear-gradient(135deg,#0A66C2,#6d28d9);
color:white;
text-align:center;
padding:65px 20px;
box-shadow:0 10px 35px rgba(10,102,194,.25);
}

header h1{
font-size:38px;
margin:0;
}

header p{
font-size:18px;
margin-top:12px;
line-height:1.6;
}

section{
max-width:900px;
margin:auto;
padding:45px 20px;
}

.card{
background:rgba(255,255,255,.94);
padding:30px;
border-radius:18px;
box-shadow:0 8px 30px rgba(50,30,100,.10);
margin-bottom:28px;
border:1px solid rgba(255,255,255,.8);
}

.card:hover{
transform:translateY(-3px);
transition:.25s ease;
box-shadow:0 12px 35px rgba(50,30,100,.14);
}

h2{
color:#0A66C2;
margin-top:0;
}

ul{
line-height:2;
padding-left:25px;
}

.button,
.product-button{
display:inline-block;
padding:14px 28px;
color:white;
text-decoration:none;
border-radius:9px;
margin-top:15px;
margin-right:8px;
font-weight:bold;
transition:.25s ease;
}

.button{
background:#0A66C2;
}

.button:hover{
background:#084f96;
transform:translateY(-2px);
}

.product-card{
border:2px solid rgba(124,58,237,.18);
}

.product-title{
font-size:27px;
color:#7c3aed;
margin-bottom:10px;
}

.price{
font-size:26px;
font-weight:bold;
color:#7c3aed;
margin-top:20px;
}

.product-button{
background:linear-gradient(135deg,#7c3aed,#db2777);
box-shadow:0 7px 20px rgba(124,58,237,.25);
}

.product-button:hover{
transform:translateY(-2px);
box-shadow:0 10px 25px rgba(124,58,237,.35);
}

a{
color:#0A66C2;
}

footer{
background:#111;
color:white;
text-align:center;
padding:25px 20px;
margin-top:20px;
}

@media(max-width:600px){

header{
padding:45px 18px;
}

header h1{
font-size:30px;
}

header p{
font-size:16px;
}

section{
padding:30px 15px;
}

.card{
padding:23px;
}

.button,
.product-button{
display:block;
text-align:center;
margin-right:0;
width:100%;
}
}
.product-cover{
display:block;
width:100%;
max-width:420px;
height:auto;
margin:0 auto 25px auto;
border-radius:14px;
box-shadow:0 10px 30px rgba(50,30,100,.18);
transition:transform .3s ease, box-shadow .3s ease;
}

.product-cover:hover{
transform:translateY(-4px);
box-shadow:0 15px 35px rgba(50,30,100,.25);
}

.learn-box{
margin-top:25px;
padding:20px 22px;
background:linear-gradient(135deg,rgba(124,58,237,.08),rgba(236,72,153,.08));
border-left:5px solid #7c3aed;
border-radius:12px;
}

.learn-box h4{
margin:0 0 10px 0;
font-size:21px;
color:#7c3aed;
}

.learn-box ul{
margin:0;
}
.learn-box{
margin-top:25px;
padding:20px 22px;
background:linear-gradient(135deg,rgba(124,58,237,.08),rgba(236,72,153,.08));
border-left:5px solid #7c3aed;
border-radius:12px;
}

.learn-box h4{
margin:0 0 10px 0;
font-size:21px;
color:#7c3aed;
}

.learn-box ul{
margin:0;
}