:root{
  --bg:#081120;
  --bg2:#0c1730;
  --card:#101c38;
  --line:rgba(255,255,255,.09);
  --text:#edf4ff;
  --muted:#9fb2d6;
  --blue:#4f8cff;
  --green:#36d399;
  --gold:#ffcb57;
  --shadow:0 14px 50px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,sans-serif;
  background:linear-gradient(180deg,var(--bg),var(--bg2));
  color:var(--text);
}
a{color:#dce9ff;text-decoration:none}
.wrap{max-width:1200px;margin:auto;padding:0 20px}
header{
  position:sticky;top:0;z-index:20;
  backdrop-filter: blur(10px);
  background:rgba(8,17,32,.9);
  border-bottom:1px solid var(--line);
}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.brand{font-size:28px;font-weight:800;letter-spacing:.2px}
.brand span{color:var(--green)}
nav a{margin-left:18px;color:#d7e4ff;font-size:15px}
.hero{padding:54px 0 24px}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
.card{
  background:linear-gradient(180deg,rgba(16,28,56,.98),rgba(13,24,48,.96));
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--shadow);
  padding:24px;
}
.hero h1{font-size:56px;line-height:1.02;margin:0 0 14px}
.hero p{color:var(--muted);font-size:18px;line-height:1.55}
.btn{
  display:inline-block;
  padding:14px 20px;
  border-radius:14px;
  background:linear-gradient(90deg,var(--blue),#6ca3ff);
  color:white;font-weight:700;border:none;cursor:pointer
}
.btn.secondary{background:transparent;border:1px solid var(--line)}
.badges{margin-top:10px}
.badge{
  display:inline-block;
  margin:8px 8px 0 0;
  padding:8px 12px;border-radius:999px;
  border:1px solid var(--line);
  color:#d7e6ff;font-size:14px
}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.kpi{
  border:1px solid var(--line);border-radius:16px;padding:16px;background:rgba(255,255,255,.03)
}
.kpi strong{display:block;font-size:26px}
.section{padding:24px 0}
.section h2{font-size:34px;margin:0 0 10px}
.section p.lead{margin:0 0 18px;color:var(--muted)}
.ad{
  border:1px dashed rgba(255,255,255,.18);
  color:#bfd2f5;
  border-radius:18px;
  padding:18px;
  text-align:center;
  background:rgba(255,255,255,.02);
  margin:18px 0;
}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.tool-card{
  display:block;
  background:linear-gradient(180deg,rgba(16,28,56,.98),rgba(13,24,48,.96));
  border:1px solid var(--line);
  border-radius:20px;
  padding:20px;
  min-height:180px;
  box-shadow:var(--shadow)
}
.tool-card h3{margin:0 0 8px;font-size:21px}
.tool-card p{margin:0;color:var(--muted);line-height:1.45}
.tool-meta{margin-top:14px;font-size:13px;color:#d6e4ff}
.premium-banner{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap
}
.premium-box{
  background:linear-gradient(90deg,rgba(255,203,87,.12),rgba(79,140,255,.08));
  border:1px solid rgba(255,203,87,.22)
}
.footer{
  border-top:1px solid var(--line);
  color:#bfd1f1;
  padding:28px 0 40px;
  margin-top:24px
}
.footer a{margin:0 10px}
.hero-list{padding-left:18px;color:#d7e4ff}
main.tool{padding:28px 0 40px}
.tool-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}
label{display:block;font-weight:700;margin:0 0 8px}
input,textarea,select{
  width:100%;padding:14px 14px;border-radius:14px;border:1px solid var(--line);
  background:#091326;color:white;outline:none
}
textarea{min-height:120px;resize:vertical}
.form-group{margin-bottom:14px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.result{
  min-height:260px;border-radius:18px;border:1px solid var(--line);
  background:#091326;padding:18px;white-space:pre-wrap;line-height:1.55
}
.small{font-size:14px;color:var(--muted)}
.notice{
  padding:12px 14px;border-radius:14px;
  background:rgba(54,211,153,.08);border:1px solid rgba(54,211,153,.18);
  color:#d8fff0;margin:16px 0
}
.premium-tag{
  display:inline-block;padding:7px 10px;border-radius:999px;
  background:rgba(255,203,87,.12);border:1px solid rgba(255,203,87,.25);color:#ffe6a7;
  font-size:13px;font-weight:700
}
.api-box{
  background:rgba(79,140,255,.08);border:1px solid rgba(79,140,255,.18)
}
@media (max-width:900px){
  .hero-grid,.tool-layout{grid-template-columns:1fr}
  .hero h1{font-size:40px}
  nav{display:none}
}