:root {
  --bg: #000610; --surface: #020e22; --surface-2: #07182f; --ink: #e8ecf1; --muted: #9fabbb;
  --line: #1c3a60; --field-line: #5a7aa3; --accent: #2aa4f0; --accent-2: #33d8fb; --accent-ink: #000610;
  --ok: #3ecf8e; --radius: 16px; color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--ink); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(1100px 520px at 82% -6%, #0b2a52 0%, transparent 62%), radial-gradient(800px 420px at -10% 38%, #061a38 0%, transparent 60%), var(--bg);
  background-repeat: no-repeat;
}
a { color: var(--accent-2); }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; border-radius: 6px; }
.wrap { width: min(1120px, 100% - 32px); margin: 0 auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent-2); color: var(--accent-ink); padding: 8px 14px; border-radius: 8px; z-index: 20; }
.skip:focus { left: 8px; }

/* Cabeçalho */
header.top { position: sticky; top: 0; z-index: 10; background: rgba(0, 6, 16, 0.78); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(28, 58, 96, 0.6); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; }
.brand svg { filter: drop-shadow(0 0 8px rgba(42, 164, 240, 0.35)); }
.brand-name { font-weight: 800; font-size: 1.15rem; white-space: nowrap; }
.brand-a { background: linear-gradient(180deg, #fff, #aab3bf); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand-ia { background: linear-gradient(180deg, var(--accent-2), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
nav.links { display: flex; gap: 22px; }
nav.links a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
nav.links a:hover { color: var(--ink); }
@media (max-width: 860px) { nav.links { display: none; } }

/* Botões */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 22px; border-radius: 12px; font: 700 0.98rem system-ui, sans-serif; text-decoration: none; border: 1px solid var(--field-line); color: var(--ink); background: transparent; cursor: pointer; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: linear-gradient(180deg, var(--accent-2), var(--accent)); color: var(--accent-ink); border-color: var(--accent); box-shadow: 0 0 28px rgba(42, 164, 240, 0.28); }
.btn.primary:hover { filter: brightness(1.07); background: linear-gradient(180deg, var(--accent-2), var(--accent)); }
.btn.disabled { background: var(--surface-2); color: var(--muted); border-color: var(--line); box-shadow: none; cursor: not-allowed; filter: none; }
.btn.disabled:hover { background: var(--surface-2); filter: none; }

/* Herói */
.hero { padding: clamp(40px, 8vw, 96px) 0 clamp(40px, 6vw, 72px); }
.hero .wrap { display: grid; gap: 48px; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); align-items: center; }
@media (max-width: 920px) { .hero .wrap { grid-template-columns: minmax(0, 1fr); } }
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--accent-2); font-size: 0.82rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.badge i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 10px var(--accent-2); }
h1 { font-size: clamp(2.2rem, 5.2vw, 3.7rem); line-height: 1.06; margin: 18px 0 18px; letter-spacing: -0.02em; }
h1 .g { background: linear-gradient(90deg, var(--accent-2), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--muted); max-width: 58ch; margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.note { margin: 14px 0 0; font-size: 0.9rem; color: var(--muted); }

/* Conversa de exemplo */
.chat { background: var(--surface); border: 1px solid #1f4573; border-radius: 22px; padding: 22px; box-shadow: 0 0 60px rgba(42, 164, 240, 0.14); }
.chat-head { display: flex; align-items: center; gap: 10px; padding-bottom: 14px; margin-bottom: 14px; border-bottom: 1px solid var(--line); font-weight: 700; }
.chat-head small { display: block; font-weight: 400; color: var(--muted); font-size: 0.78rem; }
.msg { max-width: 82%; padding: 10px 14px; border-radius: 14px; margin: 0 0 10px; font-size: 0.98rem; line-height: 1.45; }
.msg.in { background: var(--surface-2); border: 1px solid var(--line); border-top-left-radius: 4px; }
.msg.out { margin-left: auto; background: linear-gradient(180deg, #0c3a6b, #0a2f58); border: 1px solid #1f5a96; border-top-right-radius: 4px; }
.msg .t { display: block; color: var(--muted); font-size: 0.72rem; margin-top: 4px; }
.pay { display: inline-block; margin-top: 6px; padding: 6px 12px; border-radius: 8px; background: var(--accent-2); color: var(--accent-ink); font-weight: 700; font-size: 0.85rem; }
.chat .ex { margin: 12px 0 0; color: var(--muted); font-size: 0.78rem; text-align: center; }

/* Seções */
section { padding: clamp(44px, 7vw, 84px) 0; }
.eyebrow { color: var(--accent-2); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.8rem; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); line-height: 1.12; margin: 8px 0 14px; letter-spacing: -0.015em; }
.sub { color: var(--muted); max-width: 62ch; margin: 0 0 34px; }
.cards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: linear-gradient(180deg, var(--surface-2), var(--surface)); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.card .n { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: rgba(42, 164, 240, 0.14); color: var(--accent-2); font-weight: 800; margin-bottom: 14px; }
.card h3 { margin: 0 0 8px; font-size: 1.25rem; }
.card p { margin: 0; color: var(--muted); }
.two { display: grid; gap: 40px; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
@media (max-width: 860px) { .two { grid-template-columns: minmax(0, 1fr); gap: 24px; } }
ul.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
ul.checks li { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 12px; align-items: start; }
ul.checks li::before { content: ""; width: 22px; height: 22px; margin-top: 3px; border-radius: 50%; background: rgba(62, 207, 142, 0.16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%233ecf8e' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat; }
ul.checks strong { color: var(--ink); }
ul.checks span { color: var(--muted); display: block; font-size: 0.97rem; }
.band { background: linear-gradient(180deg, rgba(7, 24, 47, 0.55), rgba(2, 14, 34, 0.2)); border-block: 1px solid rgba(28, 58, 96, 0.6); }

/* Perguntas */
details { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 4px 20px; margin: 0 0 10px; }
summary { cursor: pointer; font-weight: 700; padding: 16px 0; min-height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 12px; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent-2); font-size: 1.5rem; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { margin: 0 0 16px; color: var(--muted); }

/* Chamada final e rodapé */
.final { text-align: center; }
.final .box { background: radial-gradient(600px 240px at 50% 0%, #0b2a52 0%, transparent 70%), var(--surface); border: 1px solid #1f4573; border-radius: 24px; padding: clamp(32px, 6vw, 64px) 20px; box-shadow: 0 0 60px rgba(42, 164, 240, 0.12); }
.final h2 { margin-top: 0; }
.final .sub { margin-inline: auto; }
.final .cta { justify-content: center; }
footer { border-top: 1px solid rgba(28, 58, 96, 0.6); padding: 34px 0 48px; color: var(--muted); font-size: 0.9rem; }
footer .wrap { display: grid; gap: 14px; }
footer .row { display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center; justify-content: space-between; }
footer a { color: var(--muted); }
footer a:hover { color: var(--ink); }
footer .by { display: flex; align-items: center; gap: 8px; }
footer .by i { display: inline-block; width: 26px; height: 2px; background: var(--accent-2); }
footer small { display: block; line-height: 1.5; max-width: 90ch; }
[hidden] { display: none !important; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
header.top .btn { white-space: nowrap; min-height: 42px; padding: 0 16px; }

/* Páginas de Termos e Privacidade */
.legal { overflow-wrap: anywhere; max-width: 820px; padding: clamp(32px, 6vw, 64px) 0 clamp(40px, 7vw, 80px); }
.legal h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin: 0 0 8px; }
.legal h2 { font-size: 1.3rem; margin: 32px 0 10px; }
.legal p, .legal li { color: var(--ink); }
.legal ul { padding-left: 22px; }
.legal li { margin: 6px 0; }
.legal code { background: var(--surface-2); padding: 1px 6px; border-radius: 6px; font-size: 0.92em; }
.legal .tabela { overflow-x: auto; margin: 14px 0; }
.legal table { border-collapse: collapse; width: 100%; min-width: 640px; font-size: 0.93rem; }
.legal th, .legal td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.legal th { background: var(--surface-2); }