/* Página de apresentação do Nosso Trade. Tema escuro por padrão; claro segue o sistema. */
:root {
  --bg: #11120e;
  --surface: #181a14;
  --soft: #1e2018;
  --line: #2e3126;
  --ink: #f1eee4;
  --muted: #aaa89a;
  --accent: #c8f54a;
  --accent-ink: #c8f54a;
  --accent-bg: #232a12;
  --on-accent: #11120e;
  --btn-bg: #f1eee4;
  --btn-ink: #11120e;
  --focus: #c8f54a;
  --danger: #ff9aa0;
  --topbar-bg: rgba(17, 18, 14, .88);
  --topbar-h: 64px;
  --radius: 6px;
  --wrap: 1360px;
  --serif: 'Iowan Old Style', 'Palatino Linotype', Palatino, 'Book Antiqua', Georgia, serif;
  --mono: ui-monospace, 'Cascadia Mono', 'SF Mono', Consolas, monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f2e9;
    --surface: #fbf9f3;
    --soft: #ece8db;
    --line: #d8d3c3;
    --ink: #1a1b15;
    --muted: #5e5d51;
    --accent-ink: #3f5a0c;
    --accent-bg: #e3efb8;
    --btn-bg: #1a1b15;
    --btn-ink: #f5f2e9;
    --focus: #3f5a0c;
    --danger: #a82a36;
    --topbar-bg: rgba(245, 242, 233, .9);
    color-scheme: light;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  overflow-wrap: break-word;
}
img { max-width: 100%; }
a { color: var(--accent-ink); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.08; letter-spacing: -.015em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.6rem, 7.5vw, 6rem); letter-spacing: -.03em; font-weight: 500; }
h2 { font-size: clamp(1.9rem, 4.4vw, 2.9rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
@media (min-width: 721px) { .wrap { padding: 0 32px; } }

.sr-only, .hp {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0;
}
.skip {
  position: absolute; left: 16px; top: -100px; z-index: 30; padding: 10px 14px;
  background: var(--btn-bg); color: var(--btn-ink); font-weight: 700; border-radius: 4px;
}
.skip:focus { top: 12px; }

/* Topo fixo */
.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 20; height: var(--topbar-h);
  background: var(--topbar-bg); border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.topbar__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; min-height: 44px; }
.logo__mark { width: 30px; height: 30px; border-radius: 6px; display: block; }
.logo__name { font-family: var(--serif); font-size: 1.3rem; font-weight: 600; letter-spacing: -.01em; }
.logo__name span { color: var(--muted); margin-left: .25em; font-style: italic; font-weight: 500; }
main { padding-top: var(--topbar-h); }
section[id], main[id] { scroll-margin-top: calc(var(--topbar-h) + 16px); }

/* Botões */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 10px 22px; border-radius: 4px; border: 1px solid transparent;
  font: inherit; font-size: .98rem; font-weight: 700; line-height: 1.2; text-decoration: none; text-align: center;
  cursor: pointer; transition: transform .15s ease;
}
.btn--primary { background: var(--btn-bg); color: var(--btn-ink); }
.btn--primary:hover { transform: translateY(-1px); }
.btn--ghost { color: var(--ink); border-color: var(--line); background: transparent; }
.btn--ghost:hover { border-color: var(--ink); }
.btn[disabled] { opacity: .7; cursor: progress; }

/* Marcador de seção: número + régua, sem selo */
.tag {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
  color: var(--muted); font-family: var(--mono); font-size: .74rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
}
.tag::before { content: ""; width: 28px; height: 1px; background: var(--accent-ink); flex: none; }
.lead { font-size: clamp(1.1rem, 2.2vw, 1.45rem); color: var(--muted); max-width: 36em; }
.hint { color: var(--muted); font-size: .95rem; margin: 0; }
mark.hl { background: none; color: inherit; font-style: italic; box-shadow: inset 0 -.32em 0 var(--accent-bg); padding: 0 .06em; }
@media (prefers-color-scheme: dark) { mark.hl { box-shadow: inset 0 -.32em 0 rgba(200, 245, 74, .28); } }

/* Telas ilustrativas */
.shot { margin: 0; min-width: 0; }
.shot > div { min-width: 0; }
.noscript { color: var(--muted); font-size: .95rem; margin-top: 16px; }

/* Abertura: texto à esquerda, tela grande embaixo */
.hero { padding: 56px 0 72px; }
.hero__text { max-width: 1000px; margin: 0; text-align: left; }
.hero__actions { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; margin-top: 32px; }
.shot--hero { max-width: none; margin: 0; }
@media (min-width: 721px) {
  .hero { padding: 120px 0 112px; }
  .hero__actions { flex-direction: row; align-items: center; gap: 24px; }
}

/* Destaques */
.feature { padding: 72px 0; border-top: 1px solid var(--line); }
.feature--alt { background: var(--surface); }
.feature__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 40px; align-items: start; }
.feature__text { min-width: 0; }
.feature__text > p { color: var(--muted); }
@media (min-width: 721px) {
  .feature { padding: 80px 0; }
  .feature__grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; }
  .feature--alt .feature__grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
  .feature--alt .feature__text { order: 2; }
  .feature__text { position: sticky; top: calc(var(--topbar-h) + 32px); }
}
.questions { margin: 8px 0 28px; padding: 0; list-style: none; counter-reset: q; border-top: 1px solid var(--line); }
.questions li {
  counter-increment: q; display: flex; align-items: baseline; gap: 18px;
  padding: 16px 0; border-bottom: 1px solid var(--line); font-family: var(--serif); font-size: 1.35rem;
}
.questions li strong { font-weight: 500; }
.questions li::before {
  content: counter(q, decimal-leading-zero); flex: none; font-family: var(--mono); font-size: .8rem;
  color: var(--accent-ink); letter-spacing: .08em;
}
.checks { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 24px; }
.checks li::before { content: ""; position: absolute; left: 0; top: .78em; width: 12px; height: 1px; background: var(--accent-ink); }

/* História, ciclo e análise: texto em primeiro lugar */
.story, .how, .analysis { padding: 72px 0; border-top: 1px solid var(--line); }
.how, .analysis { background: transparent; }
.how { background: var(--surface); }
.story__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; }
.story h2 { margin: 0; }
.prose { min-width: 0; }
.prose p { color: var(--muted); font-size: 1.15rem; max-width: 40em; }
.prose p:last-child { color: var(--ink); margin-bottom: 0; }
.steps { margin: 40px 0 0; padding: 0; list-style: none; counter-reset: s; display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; }
.steps li { counter-increment: s; min-width: 0; padding: 24px 0; border-top: 1px solid var(--line); }
.steps li::before { content: counter(s, decimal-leading-zero); display: block; margin-bottom: 10px; font-family: var(--mono); font-size: .8rem; letter-spacing: .08em; color: var(--accent-ink); }
.steps h3 { margin-bottom: .35em; }
.steps p { margin: 0; color: var(--muted); font-size: 1rem; }
.analysis__cols { margin: 40px 0 32px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; }
.analysis__cols > div { min-width: 0; padding: 24px 0; border-top: 1px solid var(--line); }
.analysis__cols h3 { margin-bottom: .35em; }
.analysis__cols p { margin: 0; color: var(--muted); }
.also { margin: 0; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); }
@media (min-width: 721px) {
  .story, .how, .analysis { padding: 80px 0; }
  .story__grid { grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: 72px; align-items: start; }
  .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; }
  .analysis__cols { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
}

/* Lista de espera */
.waitlist { padding: 72px 0 88px; border-top: 1px solid var(--line); background: var(--surface); }
.waitlist__box { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; align-items: end; }
.waitlist__box > div > p:not(.tag):not(.hint) { color: var(--muted); }
@media (min-width: 721px) {
  .waitlist { padding: 80px 0 88px; }
  .waitlist__box { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 72px; }
}
.form { position: relative; min-width: 0; padding: 0; background: none; border: 0; }
.form label { display: block; font-family: var(--mono); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.form__row { display: flex; flex-wrap: wrap; gap: 12px; }
.form__row input { flex: 1 1 220px; min-width: 0; }
.form__row .btn { flex: 1 1 auto; }
.form input[type="email"] {
  min-height: 48px; padding: 10px 2px; font: inherit; font-size: 1.1rem; color: var(--ink);
  background: transparent; border: 0; border-bottom: 1.5px solid var(--muted); border-radius: 0;
}
.form input[type="email"]::placeholder { color: var(--muted); opacity: .8; }
.form input[type="email"]:focus-visible { border-bottom-color: var(--focus); outline-offset: 4px; }
.form__status { min-height: 1.6em; margin: 12px 0 0; font-weight: 700; }
.form__status:empty { min-height: 0; margin: 0; }
.form__note { margin: 12px 0 0; color: var(--muted); font-size: .92rem; }

/* Rodapé */
.footer { padding: 32px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: .92rem; }
.footer__inner { display: grid; gap: 8px; }
.footer p { margin: 0; }
.footer__links a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 700; }

/* Telas de exemplo na mesma família quente da página (só aqui; o app não muda) */
.shot .nt-demo {
  --nt-paper: #0d0e0a; --nt-surface: #181a14; --nt-soft: #1f2118; --nt-field: #121410;
  --nt-line: #2e3126; --nt-ink: #f1eee4; --nt-muted: #aaa89a; --nt-label: #98968a; --nt-grid: #2a2d22;
}
@media (prefers-color-scheme: light) {
  .shot .nt-demo {
    --nt-paper: #ece6d4; --nt-surface: #fffdf6; --nt-soft: #f1ecdd; --nt-field: #f8f5ea;
    --nt-line: #ddd7c4; --nt-ink: #1a1b15; --nt-muted: #6b6a5c; --nt-label: #7a796a; --nt-grid: #e4dfcd;
  }
}