/* AIVVO — identidade visual. Efeitos de rolagem vêm do motor (sites-incriveis.css). */

:root {
  --bg: #ffffff;
  --soft: #f3f3f1;
  --ink: #0b0b0b;
  --ink-soft: #5f5f5c;
  --line: rgba(11, 11, 11, 0.14);
  --inv: #050505;
  --inv-ink: #f5f5f3;
  --inv-soft: #9a9a96;
  --inv-line: rgba(245, 245, 243, 0.2);

  --f-display: "Sora", system-ui, sans-serif;
  --f-text: "Inter", system-ui, sans-serif;

  /* espaçamento: 8 / 16 / 24 / 40 / 64 / 104 / 168 */
  --gutter: clamp(20px, 5vw, 72px);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.6 var(--f-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; }

.rotulo {
  font: 500 13px/1.3 var(--f-text);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------- botões ---------- */

.btn {
  display: inline-block;
  padding: 16px 28px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  border: 1px solid var(--ink);
  font: 500 16px/1 var(--f-text);
  text-decoration: none;
  transition: transform 0.3s var(--ease), background 0.3s, color 0.3s;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible, .btn-topo:focus-visible, .logo:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
.btn-contorno { background: transparent; color: var(--ink); }
.btn-contorno:hover { background: var(--ink); color: var(--bg); }
.btn-claro { background: var(--inv-ink); color: var(--inv); border-color: var(--inv-ink); }
.btn-grande { padding: 22px 40px; font-size: 18px; }

/* ---------- topo: inverte sozinho sobre fundo claro ou escuro ---------- */

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px var(--gutter);
  color: #fff;
  mix-blend-mode: difference;
  pointer-events: none;
}
.topbar a { pointer-events: auto; text-decoration: none; }
.logo { font: 700 22px/1 var(--f-display); letter-spacing: 0.14em; }
.btn-topo {
  padding: 10px 18px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font: 500 14px/1 var(--f-text);
}

/* ---------- cena 1 · hero ---------- */

.hero {
  min-height: 92svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 40px;
  padding: 152px var(--gutter) 72px;
}
.hero h1 {
  max-width: 18ch;
  font: 600 clamp(36px, 6.2vw, 92px)/1.03 var(--f-display);
  letter-spacing: -0.035em;
}
.hero-base { display: grid; gap: 32px; max-width: 640px; }
.lead { font-size: clamp(17px, 1.5vw, 20px); color: var(--ink-soft); max-width: 56ch; }
.acoes { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- cena 2 · problema ---------- */

.problema { background: var(--soft); }
.problema .fx-palco {
  display: grid;
  place-items: center;
  padding: 0 var(--gutter);
}
.problema .rotulo {
  position: absolute;
  top: clamp(88px, 14vh, 140px);
  left: var(--gutter);
  right: var(--gutter);
}
.pilha { display: grid; width: 100%; max-width: 1000px; }
.pilha .fx-etapa {
  grid-area: 1 / 1;
  align-self: center;
  font: 600 clamp(26px, 4.6vw, 62px)/1.12 var(--f-display);
  letter-spacing: -0.03em;
  text-align: center;
  text-wrap: balance;
  transform: translateY(28px);
  transition: opacity 0.45s ease, transform 0.7s var(--ease);
}
.pilha .fx-etapa.fecho { font-weight: 700; }

.problema[data-etapa="1"] .fx-etapa:nth-of-type(1),
.problema[data-etapa="2"] .fx-etapa:nth-of-type(2),
.problema[data-etapa="3"] .fx-etapa:nth-of-type(3),
.problema[data-etapa="4"] .fx-etapa:nth-of-type(4),
.problema[data-etapa="5"] .fx-etapa:nth-of-type(5) { transform: none; }

.marcas {
  position: absolute;
  bottom: clamp(32px, 8vh, 72px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}
.marcas li { width: 32px; height: 2px; background: var(--line); transition: background 0.4s; }
.problema[data-etapa="1"] .marcas li:nth-child(-n+1),
.problema[data-etapa="2"] .marcas li:nth-child(-n+2),
.problema[data-etapa="3"] .marcas li:nth-child(-n+3),
.problema[data-etapa="4"] .marcas li:nth-child(-n+4),
.problema[data-etapa="5"] .marcas li:nth-child(-n+5) { background: var(--ink); }

/* ---------- cena 3 · método (pico) ---------- */

.metodo { background: var(--inv); color: var(--inv-ink); }
.metodo .fx-palco { padding: 0 var(--gutter); }

.ruido { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; --escala-ruido: 1; }
.ruido .w {
  position: absolute;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  color: #fff;
  font-family: var(--f-text);
  font-weight: 500;
  letter-spacing: -0.01em;
  opacity: 0.5;
  will-change: transform, opacity, filter;
}
.ruido .w i {
  display: block;
  font-style: normal;
  animation: flutuar 9s ease-in-out infinite alternate;
}
@keyframes flutuar {
  from { transform: translate(0, -8px); }
  to   { transform: translate(8px, 8px); }
}

.metodo-miolo { position: relative; z-index: 2; width: 100%; max-width: 1100px; margin-right: auto; }
.metodo-miolo h2 {
  font: 600 clamp(28px, 4.8vw, 66px)/1.08 var(--f-display);
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.metodo-miolo p {
  margin-top: 40px;
  max-width: 58ch;
  font-size: clamp(16px, 1.5vw, 20px);
  color: var(--inv-soft);
}

.passos {
  position: absolute;
  z-index: 3;
  left: var(--gutter);
  right: var(--gutter);
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.passos li { padding-top: 24px; border-top: 1px solid var(--inv-line); opacity: 0; }
.passos .n { display: block; margin-bottom: 40px; font: 500 14px/1 var(--f-text); letter-spacing: 0.1em; color: var(--inv-soft); }
.passos h3 { font: 600 clamp(22px, 2.6vw, 36px)/1.1 var(--f-display); letter-spacing: -0.03em; }
.passos p { margin-top: 12px; font-size: 16px; color: var(--inv-soft); }
.passos .destaque { border-top: 2px solid var(--inv-ink); }
.passos .destaque .n { color: var(--inv-ink); }
.passos .tag {
  display: inline-block;
  margin-top: 24px;
  padding: 8px 14px;
  border: 1px solid var(--inv-ink);
  border-radius: 999px;
  font: 500 12px/1.2 var(--f-text);
  font-style: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- cena 4 · serviços ---------- */

.servicos { padding: clamp(104px, 16vw, 200px) var(--gutter); }
.servicos .rotulo { margin-bottom: 40px; }
.servico {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 64px;
  align-items: baseline;
  padding: 40px 0;
  border-top: 1px solid var(--line);
}
.servico:last-child { border-bottom: 1px solid var(--line); }
.servico h3 { font: 600 clamp(26px, 3.4vw, 48px)/1.1 var(--f-display); letter-spacing: -0.03em; }
.servico p { max-width: 46ch; color: var(--ink-soft); }

/* ---------- cena 5 · treinamento ---------- */

.treino { background: var(--soft); }
.treino .fx-palco { align-items: center; justify-content: flex-start; }
.trilho {
  flex: none;
  width: 100%;
  align-items: stretch;
  gap: 24px;
  padding: 0 var(--gutter);
}
.tr-intro, .tr-card { flex: none; height: min(60vh, 520px); min-height: 360px; }
.tr-intro {
  width: clamp(300px, 42vw, 600px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-right: 24px;
}
.tr-intro h2 { font: 600 clamp(30px, 4.4vw, 60px)/1.06 var(--f-display); letter-spacing: -0.035em; }
.tr-intro p { max-width: 38ch; color: var(--ink-soft); }
.tr-card {
  width: clamp(260px, 30vw, 440px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 32px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 24px;
}
.tr-card h3 { font: 600 clamp(28px, 3.4vw, 48px)/1.08 var(--f-display); letter-spacing: -0.03em; }
.tr-fim { width: clamp(300px, 36vw, 500px); background: var(--inv); color: var(--inv-ink); border-color: var(--inv); }
.tr-fim .rotulo { color: var(--inv-soft); }
.tr-fim { margin-right: var(--gutter); }
.tr-fim .btn { align-self: flex-start; white-space: nowrap; }

/* ---------- cena 6 · prova ---------- */

.prova { background: var(--inv); color: var(--inv-ink); padding: clamp(104px, 14vw, 168px) var(--gutter); }
.prova .rotulo { color: var(--inv-soft); }

.destaque-num {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 24px clamp(32px, 6vw, 96px);
  align-items: end;
  margin: 64px 0 clamp(64px, 10vw, 140px);
}
.numero { display: grid; gap: 8px; }
.numero small { font: 500 14px/1 var(--f-text); letter-spacing: 0.1em; text-transform: uppercase; color: var(--inv-soft); }
.numero span {
  font: 700 clamp(64px, 12vw, 176px)/0.95 var(--f-display);
  letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.numero-texto { max-width: 36ch; font-size: clamp(17px, 1.7vw, 22px); color: var(--inv-soft); padding-bottom: 12px; }

.casos { display: grid; }
.caso {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 16px 64px;
  padding: 40px 0;
  border-top: 1px solid var(--inv-line);
}
.caso:last-child { border-bottom: 1px solid var(--inv-line); }
.caso h3 { font: 600 clamp(24px, 2.8vw, 40px)/1.1 var(--f-display); letter-spacing: -0.03em; }
.caso .setor { grid-column: 1; font-size: 15px; color: var(--inv-soft); }
.caso ul { grid-column: 2; grid-row: 1 / span 2; display: flex; flex-wrap: wrap; gap: 8px; align-content: flex-start; }
.caso li { padding: 8px 14px; border: 1px solid var(--inv-line); border-radius: 999px; font-size: 14px; line-height: 1.35; }

/* ---------- cena 7 · fechamento ---------- */

.fecho-pagina {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 104px var(--gutter);
  text-align: center;
}
.fecho-pagina h2 {
  max-width: 17ch;
  font: 600 clamp(34px, 6.4vw, 96px)/1.04 var(--f-display);
  letter-spacing: -0.04em;
  text-wrap: balance;
}
.fecho-pagina p { max-width: 46ch; color: var(--ink-soft); font-size: clamp(17px, 1.6vw, 20px); }

.rodape {
  display: grid;
  gap: 8px;
  padding: 40px var(--gutter);
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--ink-soft);
}
.rodape nav { margin-top: 8px; display: flex; gap: 24px; }
.rodape a { color: var(--ink); }

/* ---------- celular ---------- */

@media (max-width: 760px) {
  .hero { gap: 32px; padding-top: 120px; padding-bottom: 48px; }
  .ruido { --escala-ruido: 0.7; }
  .passos { grid-template-columns: 1fr 1fr; gap: 24px 16px; }
  .passos .n { margin-bottom: 16px; }
  .passos li { padding-top: 16px; }
  .passos p { font-size: 14px; margin-top: 8px; }
  .passos .tag { margin-top: 12px; font-size: 11px; padding: 6px 10px; }
  .servico { grid-template-columns: 1fr; padding: 32px 0; }
  .destaque-num { grid-template-columns: 1fr; }
  .caso { grid-template-columns: 1fr; gap: 12px; padding: 32px 0; }
  .caso ul { grid-column: 1; grid-row: auto; }
  .tr-intro, .tr-card { min-height: 320px; }
  .tr-fim .btn { padding: 16px 22px; font-size: 15px; }
  .metodo-miolo p { margin-top: 24px; }
}

/* ---------- movimento reduzido: tudo legível, na ordem ---------- */

.fx-reduzido .problema,
.fx-reduzido .metodo,
.fx-reduzido .treino { padding: 104px var(--gutter); }
.fx-reduzido .problema .rotulo { position: static; margin-bottom: 40px; }
.fx-reduzido .problema .fx-palco, .fx-reduzido .metodo .fx-palco { display: block; padding: 0; }
.fx-reduzido .pilha .fx-etapa { transform: none; text-align: left; margin: 0 0 40px; }
.fx-reduzido .marcas, .fx-reduzido .ruido { display: none; }
.fx-reduzido .metodo-miolo { margin-bottom: 64px; }
.fx-reduzido .passos { position: static; transform: none; }
.fx-reduzido .passos li { opacity: 1; }
.fx-reduzido .trilho { padding: 0; }
.fx-reduzido .tr-intro, .fx-reduzido .tr-card { width: min(100%, 520px); height: auto; min-height: 0; }
.fx-reduzido .tr-card { gap: 40px; }
.fx-reduzido .treino .fx-palco { display: block; }
.fx-reduzido .trilho { display: grid; gap: 24px; }
html.fx-reduzido { scroll-behavior: auto; }