:root{
  --bg:#0b0d16;
  --bg2:#050713;
  --card:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.10);
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.62);
  --accent:#ff4b5f;
  --accent2:#8b5cf6;
  --ok:#22c55e;
  --warn:#f59e0b;
  --radius:18px;
  --shadow:0 18px 60px rgba(0,0,0,.45);
  --max:1200px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Helvetica Neue", Helvetica, "Noto Sans", "Liberation Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background: radial-gradient(1000px 600px at 30% 40%, rgba(139,92,246,.18), transparent 65%),
              radial-gradient(900px 500px at 70% 60%, rgba(255,75,95,.16), transparent 70%),
              linear-gradient(180deg, var(--bg), var(--bg2));
  color:var(--text);
  font-family:var(--font);
}

a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
main{min-height:70vh}

.container{max-width:var(--max); margin:0 auto; padding:0 18px}

.topbar{
  position:sticky; top:0; z-index:50;
  background: rgba(5,7,19,.55);
  backdrop-filter: blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar__inner{
  max-width:var(--max);
  margin:0 auto;
  padding:14px 18px;
  display:flex; align-items:center; justify-content:space-between; gap:14px;
}
.brand{display:flex; align-items:center; gap:10px}
.brand__mark{
  width:40px;height:40px;border-radius:12px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, rgba(255,75,95,.95), rgba(139,92,246,.95));
  box-shadow:0 16px 40px rgba(0,0,0,.45);
  font-weight:800;
}
.brand__text{letter-spacing:.08em; text-transform:uppercase; font-size:12px; opacity:.9}

.nav{display:flex; gap:16px; align-items:center}
.nav a{font-size:13px; letter-spacing:.12em; text-transform:uppercase; color:var(--muted)}
.nav a:hover{color:var(--text)}

.topbar__actions{display:flex; gap:10px; align-items:center}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:11px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.06);
  color:var(--text);
  font-weight:650;
  cursor:pointer;
}
.btn:hover{background:rgba(255,255,255,.09)}
.btn--primary{
  border-color: transparent;
  background: linear-gradient(135deg, rgba(255,75,95,.95), rgba(139,92,246,.95));
}
.btn--primary:hover{filter:brightness(1.05)}
.btn--ghost{background:transparent}
.btn--small{padding:9px 12px; font-size:13px}

.burger{
  width:42px; height:42px; border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  display:none; cursor:pointer;
}
.burger span{display:block; height:2px; margin:7px 10px; background:rgba(255,255,255,.75); border-radius:9px}

.section{padding:64px 0}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

.grid{display:grid; gap:18px}
.grid-2{grid-template-columns:repeat(2, minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3, minmax(0,1fr))}

.muted{color:var(--muted)}
.hr{height:1px; background:var(--line); border:0; margin:18px 0}

.input, select, textarea{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(0,0,0,.22);
  color:var(--text);
  outline:none;
}
textarea{min-height:120px; resize:vertical}
label{font-size:13px; color:var(--muted)}
.help{font-size:12px; color:var(--muted); margin-top:6px}
.badge{display:inline-flex; gap:8px; align-items:center; padding:6px 10px; border-radius:999px; border:1px solid var(--line); background:rgba(255,255,255,.04); font-size:12px; color:var(--muted)}
.badge--ok{border-color:rgba(34,197,94,.35); color:rgba(34,197,94,.9)}
.badge--warn{border-color:rgba(245,158,11,.35); color:rgba(245,158,11,.95)}

.footer{
  border-top:1px solid var(--line);
  background: rgba(5,7,19,.55);
  backdrop-filter: blur(14px);
}
.footer__inner{
  max-width:var(--max);
  margin:0 auto;
  padding:28px 18px;
  display:flex; align-items:flex-start; justify-content:space-between; gap:18px;
}
.footer__brand{font-weight:800; letter-spacing:.05em}
.footer__cols{display:flex; gap:14px; flex-wrap:wrap}
.footer__cols a{color:var(--muted)}
.footer__cols a:hover{color:var(--text)}

@media (max-width: 980px){
  .nav{display:none; position:absolute; left:18px; right:18px; top:68px; padding:12px; background:rgba(5,7,19,.92); border:1px solid var(--line); border-radius:18px; flex-direction:column; align-items:flex-start}
  .nav.is-open{display:flex}
  .burger{display:block}
  .grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
}