:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,0.06);
  --panel2: rgba(255,255,255,0.10);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.70);
  --faint: rgba(255,255,255,0.55);
  --line: rgba(255,255,255,0.12);
  --brand: #7c3aed;
  --brand2: #22c55e;
  --danger: #ef4444;
  --warn: #f59e0b;
  --radius: 16px;
  --shadow: 0 14px 40px rgba(0,0,0,0.45);
  --max: 1100px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(900px 500px at 18% 8%, rgba(124,58,237,0.35), transparent 60%),
    radial-gradient(900px 500px at 88% 28%, rgba(34,197,94,0.20), transparent 55%),
    radial-gradient(900px 500px at 50% 110%, rgba(59,130,246,0.18), transparent 55%),
    var(--bg);
}

a{color:inherit; text-decoration:none}
a:hover{opacity:0.92}

.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px;
}

.nav{
  position: sticky;
  top:0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,0.55);
  border-bottom: 1px solid var(--line);
}

.nav-inner{
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight: 750;
  letter-spacing: 0.2px;
}

.badge{
  font-size: 12px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,0.04);
}

.nav-links{
  display:flex;
  align-items:center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-links a{
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
  border: 1px solid transparent;
}
.nav-links a.active{
  color: var(--text);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--line);
}

.btn{
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  cursor:pointer;
  transition: transform 0.05s ease, background 0.2s ease, border 0.2s ease;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight: 650;
}
.btn:hover{ background: rgba(255,255,255,0.10) }
.btn:active{ transform: translateY(1px) }

.btn.primary{
  border-color: rgba(124,58,237,0.6);
  background: linear-gradient(135deg, rgba(124,58,237,0.90), rgba(59,130,246,0.80));
}
.btn.primary:hover{ background: linear-gradient(135deg, rgba(124,58,237,0.98), rgba(59,130,246,0.88)) }

.btn.success{
  border-color: rgba(34,197,94,0.55);
  background: linear-gradient(135deg, rgba(34,197,94,0.85), rgba(16,185,129,0.72));
}

.btn.ghost{
  background: transparent;
}

.grid{
  display:grid;
  gap:16px;
}

.grid.two{ grid-template-columns: 1fr; }
.grid.three{ grid-template-columns: 1fr; }

@media (min-width: 860px){
  .grid.two{ grid-template-columns: 1fr 1fr; }
  .grid.three{ grid-template-columns: 1fr 1fr 1fr; }
}

.card{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.card.soft{
  box-shadow: none;
  background: rgba(255,255,255,0.05);
}

.h1{
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1.05;
  margin: 10px 0 12px;
  letter-spacing: -0.6px;
}
.h2{
  font-size: 24px;
  margin: 0 0 10px;
  letter-spacing: -0.3px;
}
.h3{
  font-size: 18px;
  margin: 0 0 8px;
}
.p{
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

.kbd{
  font-family: var(--mono);
  font-size: 12px;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-bottom-color: rgba(255,255,255,0.22);
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  color: var(--muted);
}

.hr{
  height:1px;
  background: var(--line);
  margin: 14px 0;
}

.hero{
  padding: 38px 0 10px;
}

.hero-top{
  display:flex;
  flex-direction: column;
  gap: 14px;
}
@media (min-width: 860px){
  .hero-top{
    flex-direction: row;
    align-items: stretch;
  }
}

.hero-copy{
  flex: 1;
}
.hero-demo{
  flex: 1;
  min-height: 230px;
  display:flex;
  flex-direction: column;
  justify-content: space-between;
}

.tagrow{ display:flex; flex-wrap:wrap; gap:8px; margin: 12px 0 0; }
.tag{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
}

.form{
  display:grid;
  gap: 14px;
}
.field label{
  display:block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}
.field select, .field input, .field textarea{
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  padding: 11px 12px;
  border-radius: 12px;
  outline: none;
}
.field select:focus, .field input:focus, .field textarea:focus{
  border-color: rgba(124,58,237,0.55);
  box-shadow: 0 0 0 4px rgba(124,58,237,0.12);
}

.row{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.small{
  font-size: 13px;
  color: var(--muted);
}

.mini{
  font-size: 12px;
  color: var(--faint);
}

.toast{
  position: fixed;
  right: 16px;
  bottom: 16px;
  max-width: 420px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: var(--shadow);
  display:none;
}
.toast.show{ display:block; }
.toast strong{ display:block; margin-bottom: 4px; }

.footer{
  margin-top: 36px;
  padding: 18px 0 34px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 12px;
}
.footer a{ text-decoration: underline; text-underline-offset: 3px; }

.pills{ display:flex; flex-wrap: wrap; gap: 8px; }
.pill{
  font-size: 12px;
  padding: 5px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
}

.score{
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

.tabs{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tab{
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  color: var(--muted);
  cursor:pointer;
}
.tab.active{
  background: rgba(255,255,255,0.10);
  color: var(--text);
}

.codebox{
  white-space: pre-wrap;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.55;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.25);
  color: rgba(255,255,255,0.88);
}

.table{
  width:100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid var(--line);
}
.table th, .table td{
  text-align:left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}
.table th{
  color: var(--text);
  background: rgba(255,255,255,0.06);
  font-weight: 700;
}
.table tr:hover td{
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.86);
}

.notice{
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  color: var(--muted);
}
.notice.warn{ border-color: rgba(245,158,11,0.35); background: rgba(245,158,11,0.08); }
.notice.ok{ border-color: rgba(34,197,94,0.35); background: rgba(34,197,94,0.08); }