:root{

--bg:#0d0f14;
--panel:#151922;
--accent:#7c4dff;
--text:#ffffff;
--muted:#9aa3b2;

--radius:10px;

}

*{
box-sizing:border-box;
margin:0;
padding:0;
}

body{
font-family:system-ui,Arial,sans-serif;
background:var(--bg);
color:var(--text);
line-height:1.6;
}

.container{
max-width:1100px;
margin:auto;
padding:20px;
}

.site-header{
background:#0b0c11;
border-bottom:1px solid #222;
}

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

.brand{
font-size:1.4rem;
}

.nav-list{
display:flex;
list-style:none;
gap:10px;
}

button{
background:none;
border:none;
color:var(--text);
cursor:pointer;
font-size:1rem;
}

.nav-tab.active{
color:var(--accent);
}

.hero{
text-align:center;
padding:80px 20px;
}

.hero h2{
font-size:2.5rem;
margin-bottom:10px;
}

.cta-button{
background:var(--accent);
padding:14px 28px;
border-radius:var(--radius);
margin-top:20px;
color:white;
font-weight:bold;
}

.tab-panel{
display:none;
}

.tab-panel.active{
display:block;
}

.subtabs{
display:flex;
gap:12px;
margin:20px 0;
}

.subtab.active{
color:var(--accent);
}

.subtab-panel{
display:none;
}

.subtab-panel.active{
display:block;
}

.screenshot-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
gap:20px;
}

figure{
background:var(--panel);
padding:10px;
border-radius:var(--radius);
}

img{
width:100%;
border-radius:var(--radius);
}

figcaption{
color:var(--muted);
margin-top:6px;
font-size:.9rem;
}

.download-box{
background:var(--panel);
padding:30px;
border-radius:var(--radius);
max-width:500px;
}

.download-button{
display:inline-block;
background:var(--accent);
padding:12px 24px;
border-radius:var(--radius);
margin-top:12px;
text-decoration:none;
color:white;
}

.site-footer{
text-align:center;
padding:30px;
color:var(--muted);
}