:root{
  --bg:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --border:#e2e8f0;
  --card:#ffffff;
  --shadow: 0 10px 30px rgba(2,6,23,.08);
  --primary:#2563eb;
  --primary2:#1d4ed8;
}

*{ box-sizing:border-box; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 20% -10%, rgba(37,99,235,.08), transparent 50%),
    radial-gradient(900px 600px at 100% 10%, rgba(14,165,233,.08), transparent 55%),
    var(--bg);
}

a{ color:var(--primary); text-decoration:none; }
a:hover{ text-decoration:underline; }

.topbar{
  position:sticky;
  top:0;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 22px;
}

.brand{
  display:flex;
  gap:10px;
  align-items:center;
  font-weight:700;
  color:var(--text);
}
.brand:hover{ text-decoration:none; }

.nav{ display:flex; gap:14px; }
.nav a{ color:var(--muted); font-weight:600; }
.nav a:hover{ color:var(--text); }

.container{
  max-width: 980px;
  margin: 0 auto;
  padding: 34px 18px 70px;
}

.hero{ padding: 10px 0 16px; }
.badge{
  display:inline-flex;
  border:1px solid var(--border);
  color:var(--muted);
  padding:6px 10px;
  border-radius:999px;
  font-size:13px;
  background: rgba(255,255,255,.7);
}
h1{
  margin:14px 0 10px;
  font-size:44px;
  line-height:1.1;
  letter-spacing:-.03em;
}
.lead{
  margin: 0 0 18px;
  color:var(--muted);
  font-size:18px;
  max-width: 70ch;
}

.card{
  border:1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
  background: var(--card);
}

.label{ display:block; font-size:13px; color:var(--muted); margin-bottom:8px; font-weight:600; }
.row{ display:flex; gap:10px; }
input[type="url"]{
  flex:1;
  border:1px solid var(--border);
  border-radius: 12px;
  padding: 14px 14px;
  font-size:16px;
  outline:none;
}
input[type="url"]:focus{
  border-color: rgba(37,99,235,.55);
  box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}

.btn{
  border:0;
  background: linear-gradient(180deg, var(--primary), var(--primary2));
  color:white;
  padding: 14px 16px;
  border-radius: 12px;
  font-weight:700;
  cursor:pointer;
  min-width: 130px;
}
.btn:disabled{ opacity:.6; cursor:not-allowed; }

.meta{ display:flex; justify-content:space-between; align-items:center; margin-top:10px; gap:10px; }
.status{ font-size:13px; }
.muted{ color:var(--muted); }

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.feature{
  border:1px solid var(--border);
  background: rgba(255,255,255,.75);
  border-radius: 16px;
  padding: 14px;
}
.feature h3{ margin: 0 0 6px; font-size: 16px; }
.feature p{ margin: 0; color: var(--muted); font-size: 14px; }

.section{ margin-top: 26px; }
.section h2, .section h1{ margin: 0 0 10px; font-size: 26px; }
.steps{ color: var(--muted); }
.steps li{ margin: 6px 0; }

.footer{
  border-top:1px solid var(--border);
  background: rgba(255,255,255,.7);
}
.footer-inner{
  max-width: 980px;
  margin: 0 auto;
  padding: 18px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 860px){
  h1{ font-size: 34px; }
  .row{ flex-direction:column; }
  .btn{ width:100%; }
  .grid{ grid-template-columns: 1fr; }
  .nav{ display:none; }
}