:root{
  --bg:#0b1220;
  --card:#121a2b;
  --ink:#e7eefc;
  --muted:#a7b2c7;
  --brand:#4cc2ff;
  --accent:#6fffb3;
  --radius:16px;
  --space:14px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;line-height:1.4}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:calc(var(--space)*1.5) var(--space)}
.header{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:18px}
.brand{display:flex;gap:10px;align-items:center}
.brand-logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--accent));box-shadow:var(--shadow)}
.brand-title{font-weight:700;font-size:1.1rem;letter-spacing:.4px}
.nav a{margin-left:14px;color:var(--ink);opacity:.85}
.hero{background:linear-gradient( to right, rgba(76,194,255,.08), rgba(111,255,179,.06) );border:1px solid rgba(255,255,255,.08);padding:22px;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px}
.hero h1{margin:0 0 6px;font-size:1.45rem}
.hero p{margin:0;color:var(--muted)}
.grid{display:grid;grid-template-columns:1fr;gap:14px}
.card{background:var(--card);border:1px solid rgba(255,255,255,.08);padding:16px;border-radius:var(--radius);box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px}
.card h3{margin:0 0 6px;font-size:1rem}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:rgba(76,194,255,.18);border:1px solid rgba(76,194,255,.4);color:var(--ink);font-size:.72rem}
.footer{margin-top:28px;color:var(--muted);font-size:.9rem}
.btn{display:inline-block;padding:10px 12px;border-radius:12px;background:var(--brand);color:#001018;font-weight:700;border:none;cursor:pointer}
.btn:hover{filter:brightness(1.05)}
.tools-list{display:grid;grid-template-columns:1fr;gap:12px}
.tool{display:flex;align-items:center;justify-content:space-between;gap:10px}
.tool .sub{color:var(--muted);font-size:.9rem}
code.inline{background:#0a0f1b;border:1px solid rgba(255,255,255,.08);padding:1px 6px;border-radius:8px}
@media(min-width:700px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .tools-list{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:980px){
  .grid{grid-template-columns:repeat(3,1fr)}
}