:root{--bg:#0b0f14;--card:#131a22;--border:#1f2a37;--fg:#e5e7eb;--muted:#94a3b8;--o:#E8500F}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,Segoe UI,Roboto,sans-serif}
.grid-bg{background:radial-gradient(ellipse 60% 40% at 50% 0,rgba(232,80,15,.14),transparent 70%),
linear-gradient(var(--border) 1px,transparent 1px) 0 0/48px 48px,linear-gradient(90deg,var(--border) 1px,transparent 1px) 0 0/48px 48px,var(--bg)}
.center{display:flex;align-items:center;justify-content:center;padding:20px}
.top{display:flex;justify-content:space-between;align-items:center;padding:16px 28px}
.logo-sm{height:30px;display:block}.logo-xl{width:min(520px,80%);margin:22px 0 8px}
.ghost{color:var(--o);border:1px solid var(--o);border-radius:8px;padding:7px 18px;text-decoration:none;font-weight:600;font-size:14px}
.ghost:hover{background:var(--o);color:#fff}
.hero{text-align:center;padding:40px 20px 30px;display:flex;flex-direction:column;align-items:center}
.tag{font-size:12px;color:var(--o);border:1px solid #5a2a14;border-radius:999px;padding:4px 14px}
h1{font-size:clamp(28px,5vw,44px);margin:6px 0;line-height:1.15}
.hero p{color:var(--muted);max-width:480px;margin:0 0 24px}
.cta{display:inline-block;background:var(--o);color:#fff;border:0;border-radius:8px;padding:12px 30px;font-weight:600;font-size:15px;text-decoration:none;cursor:pointer}
.cta:hover{filter:brightness(1.1)}
.pulse{width:min(420px,70%);height:40px;margin-top:32px;fill:none;stroke:var(--o);stroke-width:1.5;stroke-dasharray:400;animation:dash 4s linear infinite}
@keyframes dash{from{stroke-dashoffset:400}to{stroke-dashoffset:-400}}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;max-width:980px;margin:20px auto;padding:0 20px}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px}
.card:hover{border-color:var(--o)}
.card b{color:var(--o);font-family:ui-monospace,Menlo,monospace;font-size:13px}
.card h3{margin:4px 0}.card p{margin:0;color:var(--muted);font-size:14px}
footer{text-align:center;color:#64748b;font-size:12px;padding:30px 0}
.login{width:100%;max-width:360px;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:28px;display:flex;flex-direction:column;gap:14px}
.login h2{margin:6px 0 0;font-size:18px}
.login label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
.login input{background:var(--bg);color:var(--fg);border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:15px}
.login input:focus{outline:none;border-color:var(--o)}
.erro{background:#450a0a;color:#fca5a5;border-radius:8px;padding:8px 12px;font-size:13px}
.voltar{text-align:center;color:var(--muted);font-size:13px;text-decoration:none}