:root {
  --preto: #000000;
  --branco: #ffffff;
  --dourado: #96650F;
  --teal: #1F7A5F;
  --berry: #B33A54;
  --azul: #33569E;
  --titulo: "Instrument Sans", sans-serif;
  --corpo: "Inter", sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--corpo);
  background: var(--branco);
  color: var(--preto);
  -webkit-font-smoothing: antialiased;
}

.caixa {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--titulo);
  letter-spacing: -0.04em;
  line-height: 0.92;
  font-weight: 600;
}

h1 {
  font-size: clamp(3rem, 7.5vw, 6.5rem);
}

h2 {
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  margin-bottom: 32px;
}

h3 {
  font-size: 28px;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

p {
  font-size: 17px;
  line-height: 1.6;
}

.chamada {
  font-size: 19px;
  line-height: 1.55;
  max-width: 520px;
  opacity: 0.75;
}

.centrado {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--branco);
  transition: transform 0.35s ease;
}

.nav.escondida {
  transform: translateY(-100%);
}

.nav-linha {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

.logo {
  font-family: var(--titulo);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.03em;
  color: var(--dourado);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 32px;
  margin-left: auto;
}

.nav-links a {
  color: var(--preto);
  text-decoration: none;
  font-size: 15px;
  opacity: 0.7;
}

.nav-links a:hover {
  opacity: 1;
}

.botao {
  display: inline-block;
  font-family: var(--corpo);
  font-size: 16px;
  font-weight: 500;
  padding: 16px 32px;
  border-radius: 999px;
  border: 1.5px solid var(--preto);
  background: var(--preto);
  color: var(--branco);
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.botao:hover {
  opacity: 0.75;
}

.botao-pequeno {
  padding: 10px 22px;
  font-size: 15px;
}

.botao-vazio {
  background: transparent;
  color: var(--preto);
}

.botao-claro {
  background: var(--branco);
  color: var(--preto);
  border-color: var(--branco);
}

section {
  padding: 120px 0;
  position: relative;
  z-index: 1;
  background: var(--branco);
}

footer {
  position: relative;
  z-index: 1;
}

.escura {
  background: var(--preto);
  color: var(--branco);
}

.escura .botao-vazio {
  color: var(--branco);
  border-color: var(--branco);
}

.hero {
  padding-top: 168px;
  padding-bottom: 0;
}

.hero-grelha {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: end;
}

.hero-texto {
  padding-bottom: 120px;
}

.etiqueta {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dourado);
  margin-bottom: 24px;
}

.hero-texto .chamada {
  margin-top: 28px;
}

.hero-botoes {
  display: flex;
  gap: 12px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.nota {
  font-size: 14px;
  opacity: 0.5;
  margin-top: 20px;
}

.telemovel {
  display: flex;
  justify-content: center;
  align-items: flex-end;
}

.telemovel img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 620px;
  height: auto;
}

.passos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-top: 72px;
}

.numero {
  font-family: var(--titulo);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--dourado);
  display: block;
  margin-bottom: 20px;
}

.passo h3 {
  margin-bottom: 14px;
}

.passo p {
  opacity: 0.7;
}

.duas-colunas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.lista {
  list-style: none;
  margin-top: 32px;
}

.lista li {
  padding: 16px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.12);
  font-size: 16px;
}

.topo-seccao h2 {
  margin-bottom: 0;
}

.topo-seccao {
  align-items: start;
  margin-bottom: 72px;
}

.palco {
  perspective: 1600px;
  perspective-origin: 50% 40%;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 20px 0 40px;
  --p: 0;
}

.janela {
  border: 2px solid var(--preto);
  border-radius: 20px;
  overflow: hidden;
  background: var(--branco);
  transform-style: preserve-3d;
  transition: transform 0.2s ease-out;
}

.janela-frente {
  width: 56%;
  z-index: 2;
  transform: translateZ(60px) rotateY(calc(8deg + 12deg * (1 - var(--p))))
    translateY(calc(50px * (1 - var(--p))));
}

.janela-tras {
  width: 50%;
  margin-left: -5%;
  margin-top: 10%;
  z-index: 1;
  transform: translateZ(-40px) rotateY(calc(8deg + 12deg * (1 - var(--p))))
    translateX(calc(60px * (1 - var(--p)))) translateY(calc(80px * (1 - var(--p))));
}

.janela-topo {
  background: var(--preto);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 7px;
}

.bola {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.35);
}

.endereco {
  color: rgba(255, 255, 255, 0.6);
  font-size: 12px;
  margin-left: 14px;
}

.janela img {
  display: block;
  width: 100%;
  height: auto;
}

.legenda {
  font-size: 15px;
  opacity: 0.55;
  text-align: center;
  margin-top: 24px;
}

.stack {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 56px 0;
}

.stack span {
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  padding: 10px 22px;
  font-size: 15px;
}

.final {
  padding: 140px 0;
}

.final .botao {
  margin-top: 36px;
}

footer {
  background: var(--preto);
  color: var(--branco);
  padding: 40px 0;
}

.rodape {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 15px;
}

.tagline {
  opacity: 0.6;
}

.rodape a {
  color: var(--branco);
  text-decoration: none;
  opacity: 0.6;
}

.rodape a:hover {
  opacity: 1;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.28s ease;
}

.overlay.aberta {
  opacity: 1;
}

.overlay[hidden] {
  display: none;
}

.modal {
  position: relative;
  background: var(--branco);
  border-radius: 28px;
  padding: 48px 40px 40px;
  max-width: 480px;
  width: 100%;
  transform: translateY(24px) scale(0.97);
  transition: transform 0.32s cubic-bezier(0.2, 0.8, 0.3, 1);
}

.overlay.aberta .modal {
  transform: none;
}

.modal h3 {
  font-size: 34px;
  margin-bottom: 12px;
}

.modal p {
  opacity: 0.7;
  margin-bottom: 28px;
}

.fechar {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
  opacity: 0.4;
}

.fechar:hover {
  opacity: 1;
}

.redes {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.redes a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-radius: 999px;
  margin: 0 -8px;
  padding: 14px 24px;
  background: var(--branco);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 6px 16px rgba(0, 0, 0, 0.07);
  text-decoration: none;
  color: var(--preto);
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease,
    transform 0.2s ease;
}

.redes a:hover {
  background: var(--preto);
  color: var(--branco);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08), 0 10px 24px rgba(0, 0, 0, 0.14);
  transform: translateY(-1px);
}

.redes strong {
  font-family: var(--titulo);
  font-size: 16px;
}

.redes span {
  font-size: 14px;
  opacity: 0.6;
}

.revelar {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.revelar.visivel {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  section {
    padding: 80px 0;
  }

  .hero-grelha,
  .duas-colunas {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero {
    padding-top: 128px;
  }

  .hero-texto {
    padding-bottom: 0;
  }

  .telemovel img {
    max-height: 520px;
  }

  .passos {
    grid-template-columns: 1fr;
    gap: 40px;
    margin-top: 48px;
  }

  .palco {
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
    perspective: none;
  }

  .janela-frente,
  .janela-tras {
    width: 100%;
    margin: 0;
    transform: none;
  }

  .nav-links {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .overlay,
  .modal {
    transition: none;
  }

  .hero-grelha {
    transform: none;
    opacity: 1;
  }

  .revelar {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .janela-frente,
  .janela-tras {
    transform: none;
    transition: none;
  }
}

@media (min-width: 901px) and (min-height: 640px) {
  .hero {
    position: sticky;
    top: 0;
    z-index: 0;
  }

  .hero-grelha {
    transform: scale(calc(1 - 0.05 * var(--h, 0)));
    opacity: calc(1 - 0.55 * var(--h, 0));
    transform-origin: 50% 30%;
  }
}