/* =========================================================
   RCF Manutenção e Instalação
   Cores extraídas do logo: laranja #F7931E e cinza #7D8088
   ========================================================= */

:root {
  --laranja: #F7931E;
  --laranja-claro: #FFA940;
  --laranja-escuro: #C46F06;
  --cinza: #7D8088;
  --grafite: #1B1D22;
  --grafite-2: #23262C;
  --grafite-3: #30343C;

  --texto: #1D1F24;
  --texto-suave: #5B5F68;
  --texto-claro: #AEB2BA;
  --borda: #E3E5E9;
  --fundo: #FFFFFF;
  --fundo-alt: #F5F6F8;

  /* Cores da bandeira do Brasil (linha do cabeçalho) */
  --br-verde: #009C3B;
  --br-amarelo: #FFDF00;
  --br-azul: #002776;

  --fonte-titulo: "Outfit", system-ui, sans-serif;
  --fonte-texto: "Inter", system-ui, sans-serif;

  --raio: 4px;
  --corte: 14px;
  --sombra: 0 18px 40px -18px rgba(27, 29, 34, 0.28);
  --altura-topo: 76px;
}

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

html {
  scroll-padding-top: calc(var(--altura-topo) + 8px);
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  font-family: var(--fonte-texto);
  font-size: 16px;
  line-height: 1.65;
  color: var(--texto);
  background: var(--fundo);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3 {
  font-family: var(--fonte-titulo);
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
}

h2 { font-size: clamp(1.75rem, 3.2vw, 2.6rem); font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
}

.icone {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pular {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--grafite);
  color: #fff;
  border-radius: var(--raio);
}
.pular:focus { top: 12px; }

:focus-visible {
  outline: 3px solid var(--laranja);
  outline-offset: 3px;
}

.lead { font-size: 1.125rem; color: var(--texto-suave); }

/* ---------- Selo (rótulo acima dos títulos) ---------- */
.selo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-family: var(--fonte-titulo);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--laranja);
}
.selo--claro { color: var(--texto-suave); }
.selo__barra {
  width: 26px;
  height: 8px;
  background: var(--laranja);
  transform: skewX(-45deg);
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  font-family: var(--fonte-titulo);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - var(--corte)) 0, 100% var(--corte), 100% 100%, 0 100%);
  transition: background-color 0.2s, color 0.2s, transform 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { clip-path: none; }

.btn--primario { background: var(--laranja); color: var(--grafite); }
.btn--primario:hover { background: var(--laranja-claro); }

.btn--contorno { background: rgba(255, 255, 255, 0.08); color: #fff; }
.btn--contorno:hover { background: rgba(255, 255, 255, 0.15); }

.btn--escuro { background: var(--grafite); color: #fff; }
.btn--escuro:hover { background: var(--grafite-3); }

.btn--grande { padding: 16px 28px; font-size: 1.05rem; }
.btn--bloco { width: 100%; }

/* ---------- Cabeçalho ---------- */
.topo {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  transition: box-shadow 0.2s;
}
.topo::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg,
    var(--br-verde) 0 33.34%,
    var(--br-amarelo) 33.34% 66.67%,
    var(--br-azul) 66.67% 100%);
}
.topo.rolou { box-shadow: 0 6px 24px -16px rgba(27, 29, 34, 0.35); }

.topo__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--altura-topo);
}

.topo__logo img { height: 40px; width: auto; }

.menu {
  display: flex;
  align-items: center;
  gap: 36px;
}
.menu ul { display: flex; gap: 28px; }
.menu ul a {
  position: relative;
  padding: 6px 0;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--texto);
}
.menu ul a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--laranja);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s;
}
.menu ul a:hover::after,
.menu ul a.ativo::after { transform: scaleX(1); }

.menu-botao {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  position: relative;
}
.menu-botao span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--grafite);
  transition: transform 0.25s, opacity 0.2s;
}
.menu-botao span:nth-child(1) { top: 14px; }
.menu-botao span:nth-child(2) { top: 21px; }
.menu-botao span:nth-child(3) { top: 28px; }
.menu-botao[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-botao[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-botao[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(60% 70% at 88% 18%, rgba(247, 147, 30, 0.16), transparent 70%),
    var(--grafite);
  color: #fff;
  padding: 112px 0 72px;
}

/* Vídeo da bandeira bem suave atrás do conteúdo */
.hero__video {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero__video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}
.hero__video::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 70% at 88% 18%, rgba(247, 147, 30, 0.14), transparent 70%),
    linear-gradient(90deg, var(--grafite) 0%, rgba(27, 29, 34, 0.78) 45%, rgba(27, 29, 34, 0.4) 100%);
}

.hero__grade {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(115deg, transparent 15%, #000 75%);
  mask-image: linear-gradient(115deg, transparent 15%, #000 75%);
}

/* Barras inclinadas a 45°, no mesmo corte do "F" do logo */
.hero__formas { position: absolute; inset: 0; pointer-events: none; }
.forma {
  position: absolute;
  right: -60px;
  height: 64px;
  transform: skewX(-45deg);
}
.forma--1 { top: 20%; width: 38%; background: var(--laranja); }
.forma--2 { top: calc(20% + 88px); width: 28%; background: var(--cinza); }
.forma--3 { top: calc(20% + 176px); width: 18%; background: var(--laranja); }
.forma--4 {
  top: calc(20% - 88px);
  width: 24%;
  right: 6%;
  border: 2px solid rgba(255, 255, 255, 0.14);
}

@media (prefers-reduced-motion: no-preference) {
  .forma { animation: entrar-forma 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
  .forma--2 { animation-delay: 0.12s; }
  .forma--3 { animation-delay: 0.24s; }
  .forma--4 { animation-delay: 0.36s; }
}
@keyframes entrar-forma {
  from { opacity: 0; transform: skewX(-45deg) translateX(30%); }
  to { opacity: 1; transform: skewX(-45deg) translateX(0); }
}

.hero__inner { position: relative; }
.hero__texto { max-width: 640px; }

.hero h1 {
  font-size: clamp(2.3rem, 5.2vw, 3.9rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.hero h1 em { font-style: normal; color: var(--laranja); }

.hero__lead {
  font-size: 1.15rem;
  color: var(--texto-claro);
  max-width: 560px;
  margin-bottom: 36px;
}

.hero__acoes { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__provas {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 80px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.hero__provas li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 24px 26px;
}
.hero__provas li + li { border-left: 1px solid rgba(255, 255, 255, 0.08); }
.hero__provas .icone { color: var(--laranja); margin-top: 2px; }
.hero__provas strong {
  display: block;
  font-family: var(--fonte-titulo);
  font-size: 1.08rem;
  font-weight: 600;
}
.hero__provas span { font-size: 0.92rem; color: var(--texto-claro); }

/* ---------- Seções ---------- */
.secao { padding: 104px 0; }
.secao--alt { background: var(--fundo-alt); }
.secao--escura { background: var(--grafite); color: #fff; }
.secao--escura .lead { color: var(--texto-claro); }

.secao__topo { max-width: 720px; margin-bottom: 56px; }
.secao__topo h2 { margin-bottom: 16px; }

/* ---------- Sobre ---------- */
.sobre {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 72px;
  align-items: start;
}
.sobre__texto h2 { margin-bottom: 20px; }
.sobre__texto .lead { margin-bottom: 16px; }
.sobre__texto > p:not(.lead):not(.selo) { color: var(--texto-suave); }

.checks { margin-top: 28px; display: grid; gap: 12px; }
.checks li {
  position: relative;
  padding-left: 34px;
  font-weight: 500;
}
.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 20px;
  height: 20px;
  background: var(--grafite);
  clip-path: polygon(0 0, 70% 0, 100% 30%, 100% 100%, 0 100%);
}
.checks li::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  width: 8px;
  height: 5px;
  border-left: 2px solid var(--laranja);
  border-bottom: 2px solid var(--laranja);
  transform: rotate(-45deg);
}

.mvv { display: grid; gap: 16px; }
.mvv__item {
  position: relative;
  padding: 26px 28px 26px 30px;
  background: var(--fundo-alt);
  border-left: 3px solid var(--laranja);
}
.mvv__item:nth-child(2) { background: var(--grafite); color: #fff; }
.mvv__item:nth-child(2) p { color: var(--texto-claro); }
.mvv__item h3 { margin-bottom: 8px; }
.mvv__item p { color: var(--texto-suave); font-size: 0.97rem; }
.mvv__num {
  position: absolute;
  top: 18px;
  right: 22px;
  font-family: var(--fonte-titulo);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--cinza);
  opacity: 0.35;
}

/* ---------- Serviços ---------- */
.servicos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.servico {
  position: relative;
  padding: 34px 30px;
  background: #fff;
  border: 1px solid var(--borda);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.servico::after {
  content: "";
  position: absolute;
  left: -1px;
  right: -1px;
  bottom: -1px;
  height: 3px;
  background: var(--laranja);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.servico:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra);
  border-color: transparent;
}
.servico:hover::after { transform: scaleX(1); }

.servico__icone {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
  background: var(--grafite);
  color: var(--laranja);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}
.servico__icone .icone { width: 26px; height: 26px; }
.servico h3 { margin-bottom: 10px; }
.servico p { color: var(--texto-suave); font-size: 0.97rem; }

.setores {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--borda);
}
.setores__titulo {
  font-family: var(--fonte-titulo);
  font-weight: 600;
  white-space: nowrap;
}
.setores ul { display: flex; flex-wrap: wrap; gap: 10px; }
.setores li {
  padding: 8px 16px;
  background: #fff;
  border: 1px solid var(--borda);
  border-radius: 999px;
  font-size: 0.92rem;
  color: var(--texto-suave);
}

/* ---------- Como trabalhamos ---------- */
.etapas {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  counter-reset: etapa;
}
.etapa {
  position: relative;
  padding-top: 28px;
  border-top: 2px solid var(--borda);
}
.etapa::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 56px;
  height: 2px;
  background: var(--laranja);
}
.etapa__num {
  display: block;
  margin-bottom: 14px;
  font-family: var(--fonte-titulo);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--laranja);
}
.etapa h3 { margin-bottom: 10px; }
.etapa p { color: var(--texto-suave); font-size: 0.97rem; }

/* ---------- Diferenciais ---------- */
.secao--escura { position: relative; overflow: hidden; }
.secao--escura::before {
  content: "";
  position: absolute;
  left: -120px;
  bottom: 56px;
  width: 420px;
  height: 64px;
  border: 2px solid rgba(255, 255, 255, 0.07);
  transform: skewX(-45deg);
}

.diferenciais {
  position: relative;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
  align-items: center;
}
.diferenciais__topo h2 { margin-bottom: 18px; }
.diferenciais__topo .lead { margin-bottom: 32px; }

.diferenciais__lista {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.diferencial {
  padding: 30px 28px;
  background: var(--grafite-2);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: border-color 0.25s, background-color 0.25s;
}
.diferencial:hover {
  border-color: rgba(247, 147, 30, 0.5);
  background: #282B32;
}
.diferencial .icone { width: 30px; height: 30px; color: var(--laranja); margin-bottom: 18px; }
.diferencial h3 { margin-bottom: 8px; }
.diferencial p { color: var(--texto-claro); font-size: 0.95rem; }

/* ---------- Atuação ---------- */
.atuacao {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.atuacao__texto h2 { margin-bottom: 20px; }

.legenda { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 32px; }
.legenda li { display: flex; align-items: center; gap: 10px; font-size: 0.95rem; font-weight: 500; }
.legenda__cor {
  width: 18px;
  height: 18px;
  border-radius: 3px;
  background: #E3E5E9;
}
.legenda__cor--foco { background: var(--laranja); }

.mapa {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: repeat(8, auto);
  gap: 6px;
  width: 100%;
  max-width: 400px;
  justify-self: center;
}
.mapa span {
  grid-row: var(--l);
  grid-column: var(--c);
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border-radius: 4px;
  background: #E3E5E9;
  color: var(--texto-suave);
  font-family: var(--fonte-titulo);
  font-size: 0.85rem;
  font-weight: 600;
  transition: transform 0.2s;
}
.mapa span:hover { transform: scale(1.08); }
.mapa .foco {
  background: var(--laranja);
  color: var(--grafite);
  box-shadow: 0 10px 22px -10px rgba(247, 147, 30, 0.8);
}

/* ---------- Chamada ---------- */
.chamada {
  position: relative;
  overflow: hidden;
  background: var(--laranja);
  color: var(--grafite);
  padding: 64px 0;
}
.chamada::before,
.chamada::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  background: rgba(255, 255, 255, 0.14);
  transform: skewX(-45deg);
}
.chamada::before { right: 18%; }
.chamada::after { right: calc(18% - 150px); background: rgba(27, 29, 34, 0.06); }

.chamada__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.chamada h2 { margin-bottom: 8px; }
.chamada p { font-size: 1.1rem; }
.chamada .btn { flex-shrink: 0; }

/* ---------- Contato ---------- */
.contato {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
  align-items: start;
}
.contato__info h2 { margin-bottom: 16px; }

.canais { display: grid; gap: 22px; margin-top: 40px; }
.canais li { display: flex; align-items: center; gap: 16px; }
.canais__icone {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: var(--grafite);
  color: var(--laranja);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}
.canais small {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--texto-suave);
}
.canais a,
.canais span:not(.canais__icone) {
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  overflow-wrap: anywhere;
}
.canais a:hover { color: var(--laranja-escuro); }

.formulario {
  padding: 40px;
  background: #fff;
  box-shadow: var(--sombra);
  border-top: 4px solid var(--laranja);
}
.formulario h3 { font-size: 1.5rem; margin-bottom: 24px; }

.campo { display: grid; gap: 6px; margin-bottom: 18px; }
.campo-duplo { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }

.campo label { font-size: 0.9rem; font-weight: 600; }
.campo input,
.campo select,
.campo textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 1rem;
  color: var(--texto);
  background: var(--fundo-alt);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  transition: border-color 0.2s, background-color 0.2s, box-shadow 0.2s;
}
.campo textarea { resize: vertical; min-height: 120px; }
.campo input:focus,
.campo select:focus,
.campo textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--laranja);
  box-shadow: 0 0 0 3px rgba(247, 147, 30, 0.25);
}
.campo [aria-invalid="true"] { border-color: #C9372C; }

.formulario__erro {
  margin-bottom: 16px;
  padding: 10px 14px;
  font-size: 0.92rem;
  color: #9B2A21;
  background: #FCEDEB;
  border-radius: var(--raio);
}
.formulario__nota {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--texto-suave);
  text-align: center;
}

/* ---------- Rodapé ---------- */
.rodape {
  background: #141519;
  color: var(--texto-claro);
  padding-top: 72px;
}
.rodape__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
}
.rodape__marca img { width: 230px; margin-bottom: 20px; }
.rodape__marca p { max-width: 340px; font-size: 0.95rem; }
.rodape h3 {
  margin-bottom: 18px;
  font-size: 1rem;
  color: #fff;
}
.rodape ul { display: grid; gap: 10px; font-size: 0.95rem; }
.rodape a { text-decoration: none; overflow-wrap: anywhere; }
.rodape a:hover { color: var(--laranja); }

.rodape__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding-block: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
}

/* ---------- WhatsApp flutuante ---------- */
.whatsapp-flutuante {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 40;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  box-shadow: 0 12px 28px -8px rgba(0, 0, 0, 0.45);
  transition: transform 0.2s;
}
.whatsapp-flutuante:hover { transform: scale(1.07); }
.whatsapp-flutuante svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linejoin: round;
}
.whatsapp-flutuante svg path:last-child { fill: currentColor; stroke: none; }

/* ---------- Animação de entrada ---------- */
@media screen and (prefers-reduced-motion: no-preference) {
  .js .revelar {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
  }
  .js .revelar.visivel { opacity: 1; transform: none; }
}

/* =========================================================
   Responsivo
   ========================================================= */
@media (max-width: 1024px) {
  .servicos { grid-template-columns: repeat(2, 1fr); }
  .etapas { grid-template-columns: repeat(2, 1fr); gap: 40px 32px; }
  .sobre,
  .diferenciais,
  .atuacao,
  .contato { gap: 48px; }
}

@media (max-width: 960px) {
  .menu-botao { display: block; }

  .menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
    padding: 12px 24px 28px;
    background: #fff;
    border-bottom: 1px solid var(--borda);
    box-shadow: 0 24px 32px -24px rgba(27, 29, 34, 0.4);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
  }
  .menu.aberto { visibility: visible; opacity: 1; transform: none; }
  .menu ul { flex-direction: column; gap: 0; }
  .menu ul a {
    display: block;
    padding: 14px 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--borda);
  }
  .menu ul a::after { display: none; }

  .hero { padding: 88px 0 56px; }
  .hero__formas { opacity: 0.25; }
  .hero__video::after {
    background: linear-gradient(180deg, rgba(27, 29, 34, 0.7) 0%, rgba(27, 29, 34, 0.85) 100%);
  }
  .secao--escura::before { display: none; }
  .forma--1 { top: auto; bottom: 46%; width: 60%; }
  .forma--2 { top: auto; bottom: calc(46% - 88px); width: 44%; }
  .forma--3 { top: auto; bottom: calc(46% - 176px); width: 28%; }
  .forma--4 { display: none; }

  .hero__provas { grid-template-columns: 1fr; margin-top: 56px; }
  .hero__provas li + li { border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.08); }

  .sobre,
  .diferenciais,
  .atuacao,
  .contato { grid-template-columns: 1fr; }

  .chamada__inner { flex-direction: column; align-items: flex-start; }
  .rodape__inner { grid-template-columns: 1fr 1fr; }
  .rodape__marca { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  :root { --altura-topo: 68px; }

  .container { padding-inline: 16px; }
  .menu { padding-inline: 16px; }
  .topo__logo img { height: 32px; }

  .secao { padding: 72px 0; }
  .secao__topo { margin-bottom: 40px; }

  .hero__acoes .btn { width: 100%; }

  .servicos,
  .etapas,
  .diferenciais__lista,
  .campo-duplo { grid-template-columns: 1fr; }

  .setores { flex-direction: column; align-items: flex-start; }

  .formulario { padding: 28px 20px; }
  .chamada .btn { width: 100%; }

  .rodape__inner { grid-template-columns: 1fr; gap: 36px; }
  .rodape__base { flex-direction: column; }

  .whatsapp-flutuante { right: 16px; bottom: 16px; width: 54px; height: 54px; }
}