:root{--bg:#f7f8fa;--card:#fff;--ink:#0f172a;--muted:#5b6475;--line:#e3e7ee;--brand:#0b5fff;--brand-ink:#fff;--ok:#0a7d4f;--warn:#a15c00;--code:#0f172a;--codeink:#e6edf7;--radius:14px}
@media (prefers-color-scheme:dark){:root{--bg:#0b1020;--card:#121a2f;--ink:#e8edf7;--muted:#9aa6bd;--line:#223052;--brand:#4d8dff;--brand-ink:#08112b;--ok:#3ddc97;--warn:#ffb454;--code:#070b17;--codeink:#e6edf7}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:var(--brand)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.top{position:sticky;top:0;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:5}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.logo{font-weight:800;letter-spacing:-.02em;color:var(--ink);text-decoration:none}.logo span{color:var(--brand)}
nav a{margin-left:18px;color:var(--muted);text-decoration:none;font-size:15px}nav a:hover{color:var(--ink)}
.btn{display:inline-block;border:0;border-radius:10px;padding:12px 20px;font:600 15px system-ui;cursor:pointer;text-decoration:none;background:var(--brand);color:var(--brand-ink)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}.btn:disabled{opacity:.6;cursor:wait}
.hero{padding:72px 0 40px}.hero h1{font-size:clamp(32px,5vw,52px);line-height:1.1;letter-spacing:-.03em;margin:0 0 16px}
.hero p{font-size:19px;color:var(--muted);max-width:640px;margin:0 0 28px}.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
pre,code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13.5px}
pre{background:var(--code);color:var(--codeink);padding:18px;border-radius:12px;overflow:auto;margin:16px 0;line-height:1.55}
:not(pre)>code{background:color-mix(in srgb,var(--brand) 10%,transparent);padding:2px 6px;border-radius:6px}
section{padding:48px 0}h2{font-size:28px;letter-spacing:-.02em;margin:0 0 8px}.sub{color:var(--muted);margin:0 0 28px}
.grid{display:grid;gap:16px}.g3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{margin:0 0 6px;font-size:18px}.card p{margin:0;color:var(--muted)}
.step{font-weight:800;color:var(--brand);font-size:13px;letter-spacing:.06em}
.toggle{display:inline-flex;border:1px solid var(--line);border-radius:10px;padding:3px;margin-bottom:20px;background:var(--card)}
.toggle button{border:0;background:transparent;color:var(--muted);padding:8px 16px;border-radius:8px;font:600 14px system-ui;cursor:pointer}.toggle button.on{background:var(--brand);color:var(--brand-ink)}
.plan{display:flex;flex-direction:column;gap:12px}.plan.pop{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand)}
.price{font-size:34px;font-weight:800;letter-spacing:-.02em}.price small{font-size:14px;color:var(--muted);font-weight:500}
.plan ul{margin:0;padding-left:18px;color:var(--muted)}.plan ul li{margin:4px 0}
.note{font-size:14px;color:var(--muted)}.err{color:#d92d20;font-size:14px;min-height:20px}
input[type=email]{width:100%;max-width:340px;padding:11px 14px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--ink);font:15px system-ui}
details{border-bottom:1px solid var(--line);padding:14px 0}summary{cursor:pointer;font-weight:600}details p{color:var(--muted);margin:8px 0 0}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}
.keybox{display:flex;gap:8px;align-items:stretch;flex-wrap:wrap}.keybox code{flex:1;min-width:240px;background:var(--code);color:var(--codeink);padding:14px;border-radius:10px;word-break:break-all;font-size:14px}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 9px;border-radius:99px;background:color-mix(in srgb,var(--ok) 16%,transparent);color:var(--ok)}
.alert{border:1px solid var(--warn);background:color-mix(in srgb,var(--warn) 10%,transparent);border-radius:12px;padding:14px 16px;margin:16px 0}
table{width:100%;border-collapse:collapse;font-size:14.5px;margin:12px 0}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:600}
.doc{display:grid;grid-template-columns:200px 1fr;gap:36px;padding:36px 0}.doc aside{position:sticky;top:80px;align-self:start;font-size:14.5px}.doc aside a{display:block;color:var(--muted);text-decoration:none;padding:4px 0}
.doc h2{margin-top:36px;font-size:24px}.doc h3{margin-top:24px}
@media(max-width:760px){.doc{grid-template-columns:1fr}.doc aside{display:none}nav a:not(.btn){display:none}}

textarea{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--ink);font:16px/1.5 system-ui;resize:vertical}
dialog{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);color:var(--ink);max-width:980px;width:calc(100% - 24px);padding:22px;max-height:92vh}
dialog::backdrop{background:rgba(5,10,25,.6)}
dialog .x{border:0;background:transparent;color:var(--muted);font-size:28px;line-height:1;cursor:pointer}

label{display:grid;gap:6px;font-weight:600;font-size:14px}
input[type=text],input[type=tel],input[type=email]{width:100%;padding:11px 14px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--ink);font:15px system-ui}
.opcao{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer;font-weight:400}
.opcao:has(input:checked){border-color:var(--brand);box-shadow:0 0 0 1px var(--brand)}
.opcao input{margin-top:5px}
a.card:hover{border-color:var(--brand)}