/* =====================================================================
   landing.css — página inicial (marketing)
   ===================================================================== */

.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 64px; border-bottom: 1px solid var(--border);
}
.nav__links {
  display: flex; align-items: center; gap: 36px;
  font-size: 15px; font-weight: 600; color: var(--muted);
}
.nav__links a { color: var(--ink); }
.nav__item { cursor: pointer; }
.nav__item:hover { color: var(--ink); }

/* hero */
.hero {
  display: flex; align-items: center; gap: 64px;
  padding: 96px 64px 80px; max-width: 1400px; margin: 0 auto; width: 100%;
}
.hero__col { flex: 1; }
.hero__title {
  font-size: 52px; font-weight: 800; color: var(--ink);
  line-height: 1.1; letter-spacing: -0.01em; margin: 0;
}
.hero__lead {
  font-size: 18px; color: var(--muted); margin-top: 24px;
  line-height: 1.6; max-width: 520px;
}
.hero__actions { display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; }
.hero__actions .btn--primary { box-shadow: var(--shadow-brand-lg); }
.hero__stats { display: flex; gap: 32px; margin-top: 40px; flex-wrap: wrap; }
.stat__value { font-size: 24px; font-weight: 800; color: var(--ink); }
.stat__label { font-size: 13px; color: var(--muted-2); }

.hero__preview { flex: 1; display: flex; justify-content: center; }
.preview-card {
  width: 340px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 32px; box-shadow: var(--shadow-float);
  padding: 36px 28px; display: flex; flex-direction: column; align-items: center; gap: 20px;
}
.preview-card__mark {
  width: 56px; height: 56px; border-radius: 16px; background: var(--brand-soft);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 20px; color: var(--brand-ink);
}
.preview-card__q { font-size: 15px; font-weight: 700; color: var(--ink); text-align: center; }
.preview-card__hint { font-size: 13px; color: var(--muted-2); text-align: center; }

/* how it works */
.section-how { background: var(--bg-warm); padding: 80px 64px; }
.section-how__inner { max-width: 1200px; margin: 0 auto; }
.section-title { font-size: 32px; font-weight: 800; color: var(--ink); text-align: center; margin: 0; }
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 48px; }
.how-card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 32px; }
.how-card__num {
  width: 44px; height: 44px; border-radius: 12px; background: var(--brand); color: #fff;
  font-weight: 800; font-size: 18px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.how-card__title { font-size: 17px; font-weight: 700; color: var(--ink); }
.how-card__text { font-size: 14px; color: var(--muted); margin-top: 8px; line-height: 1.5; }

/* pricing teaser */
.teaser { padding: 80px 64px; text-align: center; }
.teaser__sub { font-size: 16px; color: var(--muted); margin-top: 12px; }
.teaser .btn { margin-top: 32px; }

/* footer */
.site-footer {
  border-top: 1px solid var(--border); padding: 32px 64px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.site-footer__copy { font-size: 13px; color: var(--muted-2); }
.site-footer__links { display: flex; gap: 24px; font-size: 13px; }
.site-footer__links a { color: var(--muted-2); }
.site-footer__links a:hover { color: var(--ink); }

/* responsivo */
@media (max-width: 900px) {
  .nav { padding: 18px 24px; }
  .nav__links { gap: 18px; }
  .hero { flex-direction: column; padding: 56px 24px; gap: 40px; }
  .hero__title { font-size: 38px; }
  .section-how, .teaser { padding: 56px 24px; }
  .how-grid { grid-template-columns: 1fr; }
  .site-footer { padding: 24px; }
}