/* © 2026 COPISRAD INNOVATION (Siskind Carlos Alberto). All rights reserved. */
:root{--bg:#0b0d12;--bg-alt:#11141b;--surface:#161a23;--border:#232938;--text:#e8ecf3;--text-dim:#9aa3b2;--accent:#4f8cff;--accent-2:#7c5cff;--success:#34d399;--warning:#f59e0b;--danger:#ef4444;--max:1180px;--radius:12px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
img,svg{max-width:100%;display:block}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
header.site{position:sticky;top:0;z-index:50;background:rgba(11,13,18,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
header.site .row{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
header.site .brand{font-weight:700;font-size:1.1rem;color:var(--text)}
header.site nav a{color:var(--text-dim);margin-left:24px;font-size:.95rem}
header.site nav a:hover{color:var(--text);text-decoration:none}
.btn{display:inline-block;padding:10px 18px;border-radius:8px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .15s;font-family:inherit;font-size:1rem}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#3b78ee;text-decoration:none}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}.btn-ghost:hover{border-color:var(--accent);text-decoration:none}
.hero{padding:80px 0 60px}.hero h1{font-size:2.5rem;line-height:1.15;margin:0 0 16px}
.hero p.lead{font-size:1.15rem;color:var(--text-dim);margin:0 0 28px;max-width:720px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
section{padding:60px 0;border-top:1px solid var(--border)}
section h2{font-size:1.75rem;margin:0 0 12px}section h2 + p{color:var(--text-dim);margin:0 0 32px;max-width:720px}
.grid{display:grid;gap:20px}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:880px){.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}.hero h1{font-size:2rem}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.card h3{margin-top:0}.card .price{font-size:2rem;font-weight:700;margin:12px 0}
.card .price small{font-size:.9rem;color:var(--text-dim);font-weight:400}
.card ul{padding-left:20px;color:var(--text-dim)}.card ul li{margin:6px 0}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;background:rgba(79,140,255,.15);color:var(--accent);font-size:.8rem;font-weight:600}
.badge.ok{background:rgba(52,211,153,.15);color:var(--success)}.badge.warn{background:rgba(245,158,11,.15);color:var(--warning)}
form.contact{display:grid;gap:14px;max-width:560px}form.contact label{font-size:.9rem;color:var(--text-dim)}
form.contact input,form.contact textarea,form.contact select{width:100%;padding:11px 14px;background:var(--bg-alt);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:inherit;font-size:1rem}
form.contact input:focus,form.contact textarea:focus{outline:none;border-color:var(--accent)}
form.contact textarea{min-height:120px;resize:vertical}
form.contact .hp{position:absolute;left:-9999px}
form.contact .status{padding:12px;border-radius:8px;display:none}
form.contact .status.ok{background:rgba(52,211,153,.12);color:var(--success);display:block}
form.contact .status.err{background:rgba(239,68,68,.12);color:var(--danger);display:block}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:16px 20px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:600}.faq details[open] summary{margin-bottom:10px}
table.spec{width:100%;border-collapse:collapse}
table.spec th,table.spec td{padding:12px;text-align:left;border-bottom:1px solid var(--border)}
table.spec th{color:var(--text-dim);font-weight:600}
footer.site{border-top:1px solid var(--border);padding:40px 0;color:var(--text-dim);font-size:.9rem}
footer.site .cols{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
footer.site h4{color:var(--text);font-size:.95rem;margin:0 0 12px}
footer.site a{color:var(--text-dim);display:block;padding:4px 0}
footer.site a:hover{color:var(--accent);text-decoration:none}
footer.site .legal{border-top:1px solid var(--border);margin-top:32px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
@media(max-width:720px){footer.site .cols{grid-template-columns:repeat(2,1fr)}}
.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--bg-alt);padding:2px 6px;border-radius:4px;border:1px solid var(--border);font-size:.85em}
.note{background:rgba(79,140,255,.08);border-left:3px solid var(--accent);padding:14px 16px;border-radius:4px;margin:18px 0}
.note.warn{background:rgba(245,158,11,.08);border-left-color:var(--warning)}
.metric{font-size:2.4rem;font-weight:700;margin:0;line-height:1}.metric + small{color:var(--text-dim)}