/* Mecânico Raiz — landing pages (tema escuro, acento âmbar, igual ao app). */
:root {
  --bg: #0c0e12; --surface: #14171d; --surface-2: #1b1f27; --border: #262b34;
  --text: #eef1f5; --text-2: #aab2bf; --text-muted: #6b7280;
  --amber: #f59e0b; --amber-2: #fbbf24; --green: #34d399; --danger: #f87171;
  --radius: 14px; --max: 1080px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, Inter, system-ui, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
a { color: inherit; text-decoration: none; }

/* Top bar */
header.top { position: sticky; top: 0; z-index: 10; background: rgba(12,14,18,.82);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 700; letter-spacing: -.02em; display: flex; align-items: center; gap: 8px; }
.brand .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 12px var(--amber); }
.seg-chip { font-size: 12px; color: var(--amber-2); background: rgba(245,158,11,.1);
  border: 1px solid rgba(245,158,11,.25); padding: 3px 10px; border-radius: 999px; }

/* Hero */
.hero { padding: 84px 0 64px; }
.eyebrow { color: var(--amber-2); font-weight: 600; font-size: 14px; letter-spacing: .04em;
  text-transform: uppercase; margin-bottom: 14px; }
h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.08; letter-spacing: -.03em; font-weight: 800;
  max-width: 16ch; }
h1 .hl { color: var(--amber); }
.sub { color: var(--text-2); font-size: clamp(17px, 2.2vw, 20px); margin-top: 20px; max-width: 56ch; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 16px;
  padding: 13px 22px; border-radius: 12px; border: 1px solid transparent; cursor: pointer; transition: .15s; }
.btn-primary { background: var(--amber); color: #1a1206; }
.btn-primary:hover { background: var(--amber-2); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--text-muted); }
.trial-note { color: var(--text-muted); font-size: 14px; margin-top: 14px; }

/* Sections */
section { padding: 56px 0; border-top: 1px solid var(--border); }
.kicker { color: var(--amber-2); font-weight: 600; font-size: 13px; text-transform: uppercase;
  letter-spacing: .06em; margin-bottom: 10px; }
h2 { font-size: clamp(24px, 3.4vw, 34px); letter-spacing: -.02em; font-weight: 700; max-width: 22ch; }
.lead { color: var(--text-2); margin-top: 12px; max-width: 60ch; font-size: 17px; }

.grid { display: grid; gap: 16px; margin-top: 28px; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.card h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.card p { color: var(--text-2); font-size: 15px; }
.card .ic { font-size: 22px; margin-bottom: 12px; display: block; }

ul.checks { list-style: none; margin-top: 22px; display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
ul.checks li { display: flex; gap: 10px; align-items: flex-start; color: var(--text-2); }
ul.checks li::before { content: "✓"; color: var(--green); font-weight: 800; flex: 0 0 auto; }

/* Prova / anti-alucinação */
.proof { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 14px; line-height: 1.7; }
.proof .ok { color: var(--green); }
.proof .block { color: var(--amber-2); }
.proof .src { color: var(--text-muted); }

/* Planos */
.planos { display: grid; gap: 16px; margin-top: 28px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.plano { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.plano.destaque { border-color: var(--amber); box-shadow: 0 0 0 1px var(--amber), 0 14px 40px -20px var(--amber); }
.plano .nome { font-weight: 700; font-size: 18px; }
.plano .preco { font-size: 34px; font-weight: 800; margin: 10px 0 2px; }
.plano .preco small { font-size: 15px; color: var(--text-muted); font-weight: 500; }
.plano .ano { color: var(--green); font-size: 14px; }
.plano ul { list-style: none; margin: 16px 0; display: grid; gap: 8px; }
.plano ul li { color: var(--text-2); font-size: 15px; display: flex; gap: 8px; }
.plano ul li::before { content: "✓"; color: var(--green); }

/* CTA final + footer */
.final { text-align: center; }
.final h2 { margin: 0 auto; }
.final .cta-row { justify-content: center; }
footer { border-top: 1px solid var(--border); padding: 32px 0; color: var(--text-muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.segnav { display: flex; gap: 14px; flex-wrap: wrap; }
.segnav a { color: var(--text-2); font-size: 14px; }
.segnav a:hover { color: var(--amber-2); }