/* ==========================================================
   Salgueiro Tech — identidade do site
   Paleta: navy profundo + azul elétrico + ciano (das logos)
   Tipos:  Chakra Petch (display) · Manrope (texto) · IBM Plex Mono (dados)
   ========================================================== */

:root {
  --ink: #060B1A;            /* fundo mais profundo */
  --navy-800: #0B1530;       /* superfície dark */
  --navy-700: #111E42;       /* superfície dark elevada */
  --line-dark: #1C2A52;      /* bordas no dark */
  --electric: #1E73E8;       /* azul da logo */
  --cyan: #29C2F0;           /* ciano da logo (glow) */
  --paper: #EEF3FB;          /* fundo claro azulado */
  --paper-tint: #E2EAF7;     /* fundo claro alternativo */
  --card-light: #FFFFFF;
  --line-light: #CFDAEC;
  --text-dark-hi: #F2F6FD;   /* texto sobre dark */
  --text-dark-lo: #8FA0C4;
  --text-light-hi: #0B1530;  /* texto sobre light */
  --text-light-lo: #46587E;
  --ok: #2FBF8F;
  --warn: #E9A13B;
  --err: #E05656;

  --font-display: "Chakra Petch", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", Consolas, monospace;

  --radius: 12px;
  --container: 1140px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
::selection { background: rgba(41, 194, 240, 0.35); }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.6;
  background: var(--ink);
  color: var(--text-dark-hi);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; margin: 0 0 0.5em; text-wrap: balance; }
p { margin: 0 0 1em; }
a { color: var(--cyan); }
.mono { font-family: var(--font-mono); }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 820px; }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }
a, button, summary { touch-action: manipulation; }

/* skip link para teclado/leitor de tela */
.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  background: var(--electric);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.9rem;
  padding: 12px 20px;
  border-radius: 0 0 10px 10px;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus-visible { top: 0; }

/* ---------- bandas claras/escuras ---------- */
.band--dark { background: var(--ink); color: var(--text-dark-hi); }
.band--light { background: var(--paper); color: var(--text-light-hi); }
.section { padding: 96px 0; }
.section--tinted { background: var(--paper-tint); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--electric);
  margin: 0 0 14px;
}
.band--dark .eyebrow { color: var(--cyan); }

.section__title { font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 700; }
.section__sub { color: var(--text-light-lo); max-width: 56ch; margin-bottom: 44px; }
.section__sub--dark { color: var(--text-dark-lo); }

/* ---------- botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 10px;
  padding: 13px 24px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn--lg { padding: 16px 30px; font-size: 1.02rem; }
.btn--sm { padding: 10px 18px; font-size: 0.88rem; min-height: 44px; }
.btn--primary {
  /* termina no azul elétrico (branco sobre #1E73E8 = 4.5:1); o ciano fica no glow */
  background: linear-gradient(120deg, #1557C4, var(--electric));
  color: #fff;
  box-shadow: 0 6px 24px -8px rgba(41, 194, 240, 0.55);
  position: relative;
  overflow: hidden;
}
.btn--primary::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: -80%;
  width: 45%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.55s ease;
  pointer-events: none;
}
.btn--primary:hover::after { left: 135%; }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -8px rgba(41, 194, 240, 0.7); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn--ghost { border-color: var(--line-dark); color: var(--text-dark-hi); }
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn--outline { border-color: var(--electric); color: var(--electric); background: transparent; }
.btn--outline:hover { background: var(--electric); color: #fff; }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 11, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-dark);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; padding-bottom: 16px; }
.nav__brand { text-decoration: none; display: flex; align-items: center; }
.nav__logo {
  height: 88px;
  width: auto;
}
.nav__links { display: flex; align-items: center; gap: 28px; }
.nav__links a:not(.btn) {
  color: var(--text-dark-lo);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}
.nav__links a:not(.btn):hover { color: #fff; }
.nav__links a.is-current { color: #fff; }
.nav__links a.is-current::after { content: ""; display: block; height: 2px; margin-top: 2px; background: var(--cyan); border-radius: 2px; }
.nav__cta-mobile { display: none; }
.nav__burger { display: none; background: none; border: 0; padding: 12px 10px; min-width: 44px; min-height: 44px; cursor: pointer; }
.nav__burger span { display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0; transition: transform 0.2s ease, opacity 0.2s ease; }

@media (max-width: 860px) {
  .nav__burger { display: block; }
  .nav__cta-mobile { display: inline-flex; margin-left: auto; margin-right: 10px; }
  .nav__inner { gap: 0; }
  .nav__links {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--navy-800);
    border-bottom: 1px solid var(--line-dark);
    padding: 16px 24px 20px;
    display: none;
  }
  .nav__links.is-open { display: flex; }
  .nav__links a:not(.btn) { padding: 12px 4px; }
  .nav__links a.is-current::after { display: none; }
  .nav.is-open .nav__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.is-open .nav__burger span:nth-child(2) { opacity: 0; }
  .nav.is-open .nav__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 90px 0 0; }
.ico-wa { flex-shrink: 0; }

/* entrada orquestrada do hero */
@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}
.hero__copy > * { animation: rise 0.6s ease both; }
.hero__copy > :nth-child(2) { animation-delay: 0.07s; }
.hero__copy > :nth-child(3) { animation-delay: 0.14s; }
.hero__copy > :nth-child(4) { animation-delay: 0.21s; }
.hero__copy > :nth-child(5) { animation-delay: 0.28s; }
.hero__demo { animation: rise 0.7s ease 0.25s both; }
.hero__stats { animation: rise 0.7s ease 0.4s both; }
.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(41, 194, 240, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(41, 194, 240, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, black 30%, transparent 75%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: center;
}
.hero__copy h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.3rem);
  font-weight: 700;
  margin-bottom: 20px;
}
.strike { position: relative; color: var(--text-dark-lo); white-space: nowrap; }
.strike::after {
  content: "";
  position: absolute;
  left: -2%; right: -2%;
  top: 54%;
  height: 3px;
  background: var(--cyan);
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(41, 194, 240, 0.8);
  /* o risco se desenha no momento em que a planilha vira sistema (flip aos ~2.2s) */
  transform: rotate(-2deg) scaleX(0);
  transform-origin: left center;
  animation: strikeDraw 0.5s cubic-bezier(0.2, 0.7, 0.3, 1) 2.5s forwards;
}
@keyframes strikeDraw {
  to { transform: rotate(-2deg) scaleX(1); }
}
.hero__sub { color: var(--text-dark-lo); font-size: 1.08rem; max-width: 50ch; }
.hero__sub strong { color: var(--text-dark-hi); }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0 18px; }
.hero__proof { font-size: 0.86rem; color: var(--text-dark-lo); max-width: 46ch; }
.hero__proof strong { color: var(--cyan); font-weight: 600; }

/* prova rápida */
.hero__stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 72px;
  padding-top: 30px;
  padding-bottom: 34px;
  border-top: 1px solid var(--line-dark);
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat__n {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.9rem;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}
.stat__l { font-size: 0.86rem; color: var(--text-dark-lo); line-height: 1.4; }

@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; gap: 44px; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .hero__stats { grid-template-columns: 1fr; gap: 22px; }
}

/* ---------- assinatura: flip planilha/sistema ---------- */
.hero__demo { display: flex; flex-direction: column; gap: 16px; }
.flip { position: relative; min-height: 432px; perspective: 1200px; }
.pane {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-dark);
  box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.6);
  transition: opacity 0.45s ease, transform 0.45s ease;
  display: flex;
  flex-direction: column;
}
.pane--sheet { background: #F7F9FC; color: #24324E; z-index: 2; }
.pane--app { background: var(--navy-800); color: var(--text-dark-hi); opacity: 0; transform: translateY(14px) scale(0.97); z-index: 1; }
.flip.is-app .pane--sheet { opacity: 0; transform: translateY(-14px) scale(0.97); z-index: 1; }
.flip.is-app .pane--app { opacity: 1; transform: none; z-index: 2; }

.pane__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  font-size: 0.78rem;
}
.pane__bar--sheet { background: #E4E9F2; color: #5B6B8C; }
.pane__bar--app { background: var(--navy-700); color: var(--text-dark-lo); border-bottom: 1px solid var(--line-dark); }
.pane__dots { display: inline-flex; gap: 5px; }
.pane__dots i { width: 10px; height: 10px; border-radius: 50%; background: #C3CCDD; }
.pane__dots--app i { background: var(--line-dark); }
.pane__dots i:first-child { background: #E0756B; }
.pane__title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pane__live { margin-left: auto; color: var(--ok); font-size: 0.72rem; animation: livePulse 2.2s ease-in-out infinite; }
@keyframes livePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* planilha */
.sheet { flex: 1; padding: 14px; overflow: hidden; }
.sheet table { border-collapse: collapse; width: 100%; font-size: 0.8rem; }
.sheet th, .sheet td {
  border: 1px solid #D4DCE9;
  padding: 7px 10px;
  text-align: left;
  white-space: nowrap;
}
.sheet thead th { background: #EDF1F8; color: #7285A8; font-weight: 500; text-align: center; }
.sheet td:first-child { background: #EDF1F8; color: #7285A8; text-align: center; width: 34px; }
.cell-err { background: #FBE3E3; color: #C03B3B; font-weight: 600; animation: errPulse 0.9s ease-in-out 0.8s 3; }
@keyframes errPulse {
  0%, 100% { background: #FBE3E3; }
  50% { background: #F5B9B9; }
}
.cell-warn { background: #FCF2DC; color: #A2751F; }
.cell-note { background: #FFFBE6; color: #8A6D3B; font-style: italic; }

/* sistema */
.app { flex: 1; display: flex; flex-direction: column; gap: 14px; padding: 16px; }
.app__kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kpi {
  background: var(--navy-700);
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.kpi__label { font-size: 0.62rem; color: var(--text-dark-lo); letter-spacing: 0.04em; text-transform: uppercase; }
.kpi__value { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; }
.kpi__delta { font-size: 0.68rem; color: var(--ok); }
.kpi__delta--warn { color: var(--warn); }

.app__chart { display: flex; align-items: flex-end; gap: 7px; height: 74px; padding: 0 4px; }
.app__chart i {
  flex: 1;
  height: var(--h);
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--cyan), var(--electric));
  opacity: 0.85;
  transform: scaleY(0.15);
  transform-origin: bottom;
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.3, 1);
}
.flip.is-app .app__chart i { transform: scaleY(1); }
.flip.is-app .app__chart i:nth-child(2) { transition-delay: 0.05s; }
.flip.is-app .app__chart i:nth-child(3) { transition-delay: 0.1s; }
.flip.is-app .app__chart i:nth-child(4) { transition-delay: 0.15s; }
.flip.is-app .app__chart i:nth-child(5) { transition-delay: 0.2s; }
.flip.is-app .app__chart i:nth-child(6) { transition-delay: 0.25s; }
.flip.is-app .app__chart i:nth-child(7) { transition-delay: 0.3s; }
.app__rows { display: flex; flex-direction: column; gap: 7px; }
.app__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--navy-700);
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.8rem;
}
.pill {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  padding: 3px 9px;
  border-radius: 99px;
}
.pill--ok { background: rgba(47, 191, 143, 0.15); color: var(--ok); }
.pill--late { background: rgba(233, 161, 59, 0.15); color: var(--warn); }

/* controle antes/depois */
.flip__control {
  display: flex;
  gap: 4px;
  background: var(--navy-800);
  border: 1px solid var(--line-dark);
  border-radius: 99px;
  padding: 4px;
  align-self: center;
}
.flip__opt {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dark-lo);
  background: none;
  border: 0;
  border-radius: 99px;
  padding: 12px 18px;
  min-height: 44px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.flip__opt.is-active { background: linear-gradient(120deg, #1557C4, var(--electric)); color: #fff; }

@media (max-width: 480px) {
  .flip { min-height: 340px; }
  .app__kpis { grid-template-columns: repeat(3, 1fr); }
  .kpi__value { font-size: 0.95rem; }
}

/* ---------- letreiro de segmentos ---------- */
.ticker {
  overflow: hidden;
  background: var(--navy-800);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  padding: 13px 0;
}
.ticker__track {
  display: flex;
  width: max-content;
  animation: tick 40s linear infinite;
}
.ticker__track span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dark-lo);
  white-space: nowrap;
}
.ticker:hover .ticker__track { animation-play-state: paused; }
@keyframes tick {
  to { transform: translateX(-50%); }
}

/* ---------- a dor ---------- */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin: 0 0 36px;
}
.pain {
  background: var(--card-light);
  border: 1px solid var(--line-light);
  border-left: 4px solid var(--err);
  border-radius: var(--radius);
  padding: 26px 26px 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.pain:hover { transform: translateY(-3px); box-shadow: 0 14px 34px -18px rgba(11, 21, 48, 0.3); }
.pain__tag {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--electric);
  background: var(--paper-tint);
  border: 1px solid var(--line-light);
  padding: 3px 11px;
  border-radius: 99px;
  margin-bottom: 14px;
}
.pain__quote {
  font-family: var(--font-display);
  font-size: 1.14rem;
  font-weight: 600;
  color: var(--text-light-hi);
  margin: 0 0 10px;
  line-height: 1.4;
}
.pain__desc { color: var(--text-light-lo); font-size: 0.94rem; margin: 0; }
.bridge {
  font-size: 1.2rem;
  font-family: var(--font-display);
  font-weight: 600;
  max-width: 62ch;
  color: var(--text-light-hi);
}
.bridge strong { color: var(--electric); }

@media (max-width: 860px) {
  .pain-grid { grid-template-columns: 1fr; }
}

/* ---------- a conta (painel escuro na seção clara) ---------- */
.math {
  background: var(--navy-800);
  color: var(--text-dark-hi);
  border-radius: 14px;
  padding: 34px 36px 30px;
  margin-top: 44px;
}
.math__title {
  color: var(--cyan);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  margin: 0 0 22px;
}
.math__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
/* entrada escalonada dos números da conta */
.math .math__item, .math .math__verdict {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.math.is-in .math__item, .math.is-in .math__verdict { opacity: 1; transform: none; }
.math.is-in .math__item:nth-child(2) { transition-delay: 0.14s; }
.math.is-in .math__item:nth-child(3) { transition-delay: 0.28s; }
.math.is-in .math__verdict { transition-delay: 0.5s; }
.math__item { display: flex; flex-direction: column; gap: 6px; }
.math__item strong {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}
.math__item span { color: var(--text-dark-lo); font-size: 0.92rem; line-height: 1.5; }
.math__verdict {
  border-top: 1px solid var(--line-dark);
  margin: 26px 0 0;
  padding-top: 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text-dark-hi);
}
@media (max-width: 860px) {
  .math__grid { grid-template-columns: 1fr; gap: 20px; }
}

/* ---------- soluções ---------- */
.offers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  align-items: stretch;
  max-width: 940px;
  margin: 0 auto;
}
.offer {
  position: relative;
  background: var(--card-light);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.offer:hover { transform: translateY(-3px); box-shadow: 0 16px 40px -20px rgba(11, 21, 48, 0.25); }
.offer--featured {
  border: 2px solid var(--electric);
  box-shadow: 0 18px 50px -22px rgba(30, 115, 232, 0.45);
}
.offer__tag {
  position: absolute;
  top: -12px;
  left: 24px;
  background: var(--electric);
  color: #fff;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border-radius: 99px;
}
.offer__head h3 { font-size: 1.25rem; margin-bottom: 6px; }
.offer__desc { color: var(--text-light-lo); font-size: 0.94rem; margin: 0; }
.offer__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.offer__list li { padding-left: 24px; position: relative; font-size: 0.94rem; }
.offer__list li::before {
  content: "▸";
  position: absolute;
  left: 2px;
  color: var(--electric);
}
.offer__foot { display: flex; flex-direction: column; gap: 12px; border-top: 1px solid var(--line-light); padding-top: 18px; }
.offer__meta { font-size: 0.76rem; color: var(--text-light-lo); margin: 0; }
.offer__price { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; margin: 0; color: var(--text-light-hi); }
.offer__price span { display: block; font-family: var(--font-body); font-weight: 500; font-size: 0.78rem; color: var(--text-light-lo); }
.offers__note { margin-top: 36px; color: var(--text-light-lo); text-align: center; }
.offers__note strong { color: var(--text-light-hi); }

@media (max-width: 860px) {
  .offers { grid-template-columns: 1fr; max-width: 460px; }
}

/* ---------- como funciona ---------- */
.steps {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: none;
  position: relative;
}
/* o grid inteiro não some (os passos já revelam um a um); o data-reveal aqui só liga a linha */
.steps[data-reveal] { opacity: 1; transform: none; }
@media (min-width: 961px) {
  .steps::after {
    content: "";
    position: absolute;
    top: -18px;
    left: 4px;
    right: 4px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--electric), var(--cyan));
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 1.2s cubic-bezier(0.2, 0.7, 0.3, 1) 0.2s;
  }
  .steps.is-in::after { transform: scaleX(1); }
}
.step {
  background: var(--navy-800);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 26px 24px;
  position: relative;
}
.step__n {
  display: inline-block;
  color: var(--cyan);
  font-size: 0.8rem;
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  padding: 4px 10px;
  margin-bottom: 16px;
}
.step h3 { font-size: 1.08rem; margin-bottom: 8px; }
.step p { color: var(--text-dark-lo); font-size: 0.92rem; margin: 0; }

@media (max-width: 960px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
}
.steps__cta { display: flex; justify-content: center; margin-top: 42px; }

/* ---------- cases ---------- */
.section--cases { padding-top: 0; }
.cases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-top: 40px;
}
.case {
  background: var(--navy-800);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.case:hover { border-color: var(--electric); transform: translateY(-3px); }
.case__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--navy-700);
  border-bottom: 1px solid var(--line-dark);
  padding: 10px 16px;
  font-size: 0.74rem;
  color: var(--text-dark-lo);
}
.case__body { padding: 22px 24px 18px; }
.case__chips { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  background: rgba(41, 194, 240, 0.1);
  border: 1px solid rgba(41, 194, 240, 0.25);
  padding: 3px 10px;
  border-radius: 99px;
}
.chip--geo { color: var(--text-dark-hi); background: var(--navy-700); border-color: var(--line-dark); }
.case h3 { font-size: 1.08rem; margin-bottom: 8px; }
.case p { color: var(--text-dark-lo); font-size: 0.93rem; margin: 0; }
.cases__note { margin-top: 28px; font-size: 0.76rem; color: var(--text-dark-lo); }

@media (max-width: 860px) {
  .cases { grid-template-columns: 1fr; }
}

/* ---------- diferenciais ---------- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin: 40px 0 36px;
}
.diff {
  background: var(--card-light);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 26px 28px 14px;
}
.diff h3 { font-size: 1.12rem; margin-bottom: 8px; }
.diff h3::before { content: "▸ "; color: var(--electric); }
.diff p { color: var(--text-light-lo); font-size: 0.95rem; }

@media (max-width: 700px) {
  .diff-grid { grid-template-columns: 1fr; }
}

/* ---------- FAQ ---------- */
.faq { display: flex; flex-direction: column; gap: 12px; margin-top: 36px; }
.faq details {
  background: var(--card-light);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 0 24px;
}
.faq summary {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 36px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--electric);
  transition: transform 0.2s ease;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--text-light-lo); padding-bottom: 18px; margin: 0; animation: faqOpen 0.28s ease; }
.faq details[open] summary { color: var(--electric); }
@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-4px); }
}

/* ---------- CTA final ---------- */
.cta { padding: 110px 0; position: relative; overflow: hidden; }
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 55% at 50% 45%, rgba(30, 115, 232, 0.18), transparent 70%);
  pointer-events: none;
}
.cta__inner { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; }
.cta__inner > [data-reveal]:nth-child(2) { transition-delay: 0.1s; }
.cta__inner > [data-reveal]:nth-child(3) { transition-delay: 0.2s; }
.cta__inner > [data-reveal]:nth-child(4) { transition-delay: 0.3s; }
.cta__logo {
  width: 190px;
  height: auto;
  mix-blend-mode: screen; /* remove o fundo preto da logo sobre o navy */
  margin-bottom: 10px;
}
.cta h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); }
.cta__sub { color: var(--text-dark-lo); max-width: 52ch; margin-bottom: 30px; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line-dark); padding: 54px 0 28px; }
.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 34px;
}
.footer__logo { height: 88px; width: auto; }
.footer__links, .footer__contact { display: flex; flex-direction: column; gap: 10px; }
.footer__links a, .footer__contact a {
  color: var(--text-dark-lo);
  text-decoration: none;
  font-size: 0.92rem;
}
.footer__links a:hover, .footer__contact a:hover { color: var(--cyan); }
.footer__legal {
  border-top: 1px solid var(--line-dark);
  padding-top: 22px;
  font-size: 0.74rem;
  color: var(--text-dark-lo);
}

@media (max-width: 700px) {
  .footer__inner { grid-template-columns: 1fr; }
}

/* ---------- reveal on scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* entrada escalonada nos grids (40ms por item) */
.pain-grid > :nth-child(2), .offers > :nth-child(2), .steps > :nth-child(2),
.cases > :nth-child(2), .diff-grid > :nth-child(2) { transition-delay: 0.04s; }
.pain-grid > :nth-child(3), .offers > :nth-child(3), .steps > :nth-child(3),
.cases > :nth-child(3), .diff-grid > :nth-child(3) { transition-delay: 0.08s; }
.steps > :nth-child(4), .cases > :nth-child(4), .diff-grid > :nth-child(4) { transition-delay: 0.12s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .pane, .btn, .case, .offer, .pain, .app__chart i { transition: none; }
  .hero__copy > *, .hero__demo, .hero__stats { animation: none; }
  .app__chart i { transform: none; }
  .strike::after { animation: none; transform: rotate(-2deg) scaleX(1); }
  .cell-err, .pane__live, .ticker__track, .faq details p { animation: none; }
  .steps::after { transition: none; transform: scaleX(1); }
  .math .math__item, .math .math__verdict { opacity: 1; transform: none; transition: none; }
  .btn--primary::after { display: none; }
}

@media print {
  [data-reveal] { opacity: 1; transform: none; }
}