:root{
  --bg:#f4f7fb;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --border:#e2e8f0;
  --brand:#0b57d0;
  --brand2:#00a0e9;
  --shadow:0 18px 40px rgba(15,23,42,.10);
  --radius:16px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:radial-gradient(circle at top left,#f9fbff 0,#edf2ff 40%,#e5f3ff 100%)}
.container{max-width:1120px;margin:0 auto;padding:0 1.2rem}
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(226,232,240,.9);box-shadow:0 10px 24px rgba(15,23,42,.05)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;padding:.75rem 0}
.brand{display:flex;align-items:center;gap:.75rem}
.brand-mark{width:40px;height:40px;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;box-shadow:0 12px 28px rgba(11,87,208,.25)}
.brand-name{font-weight:800;letter-spacing:.12em;font-size:.92rem}
.brand-sub{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-top:.1rem}
.brand-text{line-height:1.05}
.hero{padding:2.2rem 0 2.8rem;display:grid;grid-template-columns:1.25fr .9fr;gap:1.2rem;align-items:start}
.hero-card,.info-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.35rem 1.35rem 1.1rem;animation:floatUp .55s ease-out both}
.info-card{animation-delay:.08s}
h1{margin:.1rem 0 .55rem;line-height:1.05;font-size:clamp(1.8rem,3vw,2.2rem)}
h2{margin:.2rem 0 .6rem;font-size:1.05rem}
.muted{color:var(--muted)}
.note{font-size:.82rem;color:var(--muted);margin:.85rem 0 0}
.form{margin-top:1.1rem}
.grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.9rem}
.field label{display:block;font-size:.8rem;color:var(--muted);margin:0 0 .25rem}
.field input,.field select{width:100%;padding:.65rem .7rem;border-radius:12px;border:1px solid var(--border);background:#fff;font-size:.92rem;outline:none}
.field input:focus,.field select:focus{border-color:rgba(11,87,208,.55);box-shadow:0 0 0 3px rgba(11,87,208,.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:.75rem 1.1rem;font-weight:600;font-size:.92rem;border:1px solid transparent;text-decoration:none;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,filter .16s ease,background .16s ease,border-color .16s ease}
.btn.primary{background:linear-gradient(90deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 18px 40px rgba(11,87,208,.22)}
.btn.primary:hover{transform:translateY(-1px);filter:brightness(1.03)}
.btn.ghost{background:rgba(255,255,255,.95);border-color:rgba(148,163,184,.55);color:var(--brand)}
.btn.ghost:hover{border-color:rgba(11,87,208,.7);background:#eef2ff}
.status{margin-top:.9rem;font-size:.92rem}
.status.ok{color:#0f766e}
.status.err{color:#b91c1c}
.info-card ul{margin:.2rem 0 .85rem;padding-left:1.1rem;color:var(--muted);font-size:.92rem}
.callout{padding:.85rem .9rem;border-radius:14px;border:1px dashed rgba(11,87,208,.35);background:rgba(11,87,208,.06);color:#0f172a;font-size:.9rem}
.footer{border-top:1px solid var(--border);background:#fff;padding:1.2rem 0}
.footer-inner{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;justify-content:space-between;font-size:.82rem}
@keyframes floatUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@media (max-width: 900px){.hero{grid-template-columns:1fr}.grid{grid-template-columns:1fr}}