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

body{
background:linear-gradient(135deg,#090909,#111,#1a1a1a);
color:#fff;
overflow-x:hidden;
}

/* Header */

header{
display:flex;
justify-content:space-between;
align-items:center;
padding:18px 7%;
background:rgba(15,15,15,.85);
backdrop-filter:blur(20px);
border-bottom:1px solid rgba(255,255,255,.08);
position:sticky;
top:0;
z-index:1000;
}

.logo h2{
color:#FFD700;
font-size:28px;
font-weight:700;
}

nav{
display:flex;
gap:28px;
}

nav a{
text-decoration:none;
color:white;
font-weight:500;
transition:.3s;
}

nav a:hover{
color:#FFD700;
}

/* Hero */

.hero{
text-align:center;
padding:35px 20px;
}

.hero h1{
font-size:52px;
color:#FFD700;
font-weight:800;
}

.hero p{
margin-top:12px;
font-size:17px;
color:#ccc;
}

/* Layout */

.container{
width:94%;
max-width:1600px;
margin:25px auto;
display:grid;
grid-template-columns:280px 1fr 280px;
gap:22px;
}

/* Glass Card */

.card,
.preview-card{

background:rgba(255,255,255,.05);

border:1px solid rgba(255,255,255,.08);

backdrop-filter:blur(18px);

border-radius:22px;

padding:22px;

box-shadow:0 15px 35px rgba(0,0,0,.35);

margin-bottom:18px;

transition:.35s;

}

.card:hover,
.preview-card:hover{

transform:translateY(-5px);

border-color:#FFD700;

box-shadow:0 0 35px rgba(255,215,0,.25);

}

.card h2,
.preview-card h2{

color:#FFD700;

margin-bottom:15px;

font-size:22px;

}

/* Inputs */

select,
textarea,
input{

width:100%;

padding:14px;

margin-top:10px;

border:none;

outline:none;

border-radius:12px;

background:#202020;

color:white;

font-size:15px;

}

textarea{

height:180px;

resize:none;

}

/* Color Picker */

input[type=color]{

height:50px;

padding:4px;

cursor:pointer;

}

/* Slider */

input[type=range]{

accent-color:#FFD700;

}

/* Buttons */

button{

width:100%;

padding:14px;

margin-top:12px;

border:none;

border-radius:14px;

background:linear-gradient(135deg,#FFD700,#ffb800);

color:#111;

font-weight:700;

font-size:16px;

cursor:pointer;

transition:.3s;

}

button:hover{

transform:translateY(-3px);

box-shadow:0 10px 25px rgba(255,215,0,.35);

}

/* Preview */

.preview-box{

height:560px;

display:flex;

justify-content:center;

align-items:center;

background:#fff;

border-radius:25px;

position:relative;

overflow:hidden;

}

/* QR */

#qrCode{

padding:25px;

background:white;

border-radius:20px;

box-shadow:0 10px 25px rgba(0,0,0,.25);

}

/* Logo Preview */

.logo-preview{

position:absolute;

bottom:20px;

right:20px;

background:black;

color:#FFD700;

padding:8px 16px;

border-radius:30px;

font-size:13px;

font-weight:600;

}

/* Features */

.features{

width:94%;

max-width:1600px;

margin:30px auto;

display:grid;

grid-template-columns:repeat(6,1fr);

gap:18px;

}

.feature{

padding:22px;

border-radius:18px;

background:rgba(255,255,255,.05);

border:1px solid rgba(255,255,255,.08);

text-align:center;

transition:.35s;

cursor:pointer;

}

.feature:hover{

background:#FFD700;

color:#111;

transform:translateY(-5px);

}

/* Responsive */

@media(max-width:1200px){

.container{

grid-template-columns:1fr;

}

.features{

grid-template-columns:repeat(3,1fr);

}

.preview-box{

height:450px;

}

}

@media(max-width:768px){

header{

flex-direction:column;

gap:15px;

}

nav{

flex-wrap:wrap;

justify-content:center;

}

.hero h1{

font-size:36px;

}

.features{

grid-template-columns:repeat(2,1fr);

}

}

@media(max-width:500px){

.features{

grid-template-columns:1fr;

}

.hero h1{

font-size:30px;

}

}
.logo-image{

width:60px;

height:60px;

border-radius:15px;

position:absolute;

left:50%;

top:50%;

transform:translate(-50%,-50%);

background:white;

padding:5px;

box-shadow:0 0 20px rgba(0,0,0,.25);

object-fit:contain;

display:none;

z-index:20;

}
#qrCode{

padding:25px;

background:white;

border-radius:25px;

box-shadow:0 10px 30px rgba(0,0,0,.25);

}