:root{
   --bg:#ffffff;
   --fg:#0b0b0b;
   --muted:#6b7280;
   --accent:#111827;
   --radius:9999px;
   --gap:24px;
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
   margin:0;
   font-family:Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
   background:var(--bg);
   color:var(--fg);
   -webkit-font-smoothing:antialiased;
   -moz-osx-font-smoothing:grayscale;
}
.site{
   min-height:100vh;
   display:flex;
   flex-direction:column;
   align-items:center;
   justify-content:center;
   padding:48px 20px;
   gap:var(--gap);
}
.brand{
   text-align:center;
}
.brand__logo{
   font-weight:800;
   letter-spacing:0.06em;
   font-size:28px;
}
.brand__tag{
   margin:6px 0 0 0;
   color:var(--muted);
   font-size:13px;
}
.content{
   max-width:820px;
   text-align:center;
   padding:28px;
}
.title{
   margin:0 0 12px 0;
   font-size:28px;
   line-height:1.05;
}
.subtitle{
   margin:0 0 20px 0;
   color:var(--muted);
   font-size:15px;
}
.cta{
   display:inline-block;
   text-decoration:none;
   padding:12px 22px;
   border-radius:var(--radius);
   background:linear-gradient(180deg, rgba(17,24,39,1) 0%, rgba(33,37,41,1) 100%);;
   color:#fff;
   font-weight:600;
   box-shadow:0 6px 18px rgba(16,24,40,0.15);
   transition:transform .12s ease, box-shadow .12s ease;
}
.cta:active{transform:translateY(1px);}
.cta:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(16,24,40,0.18);}
.note{
   margin-top:14px;
   color:var(--muted);
   font-size:13px;
}
.footer{
   position:fixed;
   bottom:16px;
   left:0;
   right:0;
   display:flex;
   justify-content:center;
   pointer-events:none;
}
.footer small{color:var(--muted);font-size:12px;}

/* Responsive adjustments */
@media (min-width:900px){
   .brand__logo{font-size:34px;}
   .title{font-size:36px;}
}

/* Accessibility: prefers-reduced-motion */
@media (prefers-reduced-motion:reduce){
   .cta{transition:none;}
}