/* ============================================================
   R&M INCORPORAÇÕES — FOLHA DE ESTILOS
   Direção visual: "prancha de obra" — papel de desenho técnico,
   tinta verde-escura, detalhes em ocre (estacas de demarcação)
   e anotações em fonte mono, como cotas de projeto.
   ============================================================ */

:root{
  --papel:        #EFF1E8;   /* papel de desenho */
  --carta:        #FFFFFF;
  --tinta:        #1F261E;   /* tinta do traço */
  --tinta-suave:  rgba(31,38,30,.66);
  --linha:        rgba(31,38,30,.16);
  --verde:        #1E5631;   /* verde institucional */
  --verde-escuro: #17402A;
  --verde-noite:  #0F2E1E;   /* rodapé */
  --ocre:         #D9A13C;   /* estaca / destaque */
  --ocre-claro:   #F2E3BE;
  --zap:          #22C15E;

  --f-display: 'Bricolage Grotesque', 'Trebuchet MS', 'Segoe UI', sans-serif;
  --f-corpo:   'Instrument Sans', 'Segoe UI', system-ui, sans-serif;
  --f-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --raio: 12px;
  --sombra: 0 14px 34px -18px rgba(31,38,30,.35);
}

/* ---------- Base ---------- */
*, *::before, *::after{ box-sizing:border-box; margin:0; padding:0; }

html{ scroll-behavior:smooth; }

body{
  font-family:var(--f-corpo);
  font-size:16px;
  line-height:1.6;
  color:var(--tinta);
  background:var(--papel);
  -webkit-font-smoothing:antialiased;
}

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

a{ color:inherit; }

::selection{ background:var(--ocre); color:var(--tinta); }

:focus-visible{ outline:3px solid var(--ocre); outline-offset:2px; border-radius:4px; }

section{ scroll-margin-top:92px; }

.container{ width:min(1140px, 100% - 48px); margin-inline:auto; }
.container-estreito{ width:min(800px, 100% - 48px); }

/* ---------- Tipografia ---------- */
h1, h2{
  font-family:var(--f-display);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-.01em;
}
h1{ font-size:clamp(2.15rem, 4.6vw, 3.35rem); }
h2{ font-size:clamp(1.65rem, 3.1vw, 2.35rem); margin-bottom:14px; }
h3{ font-family:var(--f-display); font-weight:700; font-size:1.13rem; line-height:1.3; }

.secao-sub{
  font-size:1.06rem;
  color:var(--tinta-suave);
  max-width:62ch;
  margin-bottom:46px;
}

/* Destaque ocre no título (marca-texto de obra) */
.marca-ocre{
  font-style:normal;
  padding:0 .08em;
  background:linear-gradient(var(--ocre), var(--ocre)) 0 74% / 100% .36em no-repeat;
}
.e-ocre{ color:var(--ocre); font-style:italic; }

/* ---------- Cota (linha de medição usada como "eyebrow") ---------- */
.cota{
  --cor-cota: var(--tinta);
  display:flex;
  align-items:center;
  gap:14px;
  font-family:var(--f-mono);
  font-size:.72rem;
  font-weight:500;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--cor-cota);
  margin-bottom:20px;
}
.cota::before, .cota::after{
  content:"";
  width:52px;
  height:11px;
  flex:none;
  border-left:2px solid var(--cor-cota);
  border-right:2px solid var(--cor-cota);
  background:linear-gradient(var(--cor-cota), var(--cor-cota)) center / 100% 1.5px no-repeat;
  opacity:.85;
}
.cota-clara{ --cor-cota: rgba(240,242,232,.85); }

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 26px;
  border-radius:10px;
  border:2px solid transparent;
  font-weight:600;
  font-size:.98rem;
  text-decoration:none;
  cursor:pointer;
  transition:transform .2s ease, background-color .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn-solido{
  background:var(--verde);
  color:#fff;
}
.btn-solido:hover{
  background:var(--verde-escuro);
  transform:translateY(-2px);
  box-shadow:var(--sombra);
}
.btn-borda{
  border-color:var(--tinta);
  color:var(--tinta);
  background:transparent;
}
.btn-borda:hover{
  background:var(--tinta);
  color:var(--papel);
  transform:translateY(-2px);
}
.btn-grande{ width:100%; padding:15px 26px; font-size:1.02rem; }
.btn-nav{ padding:9px 18px; font-size:.9rem; border-radius:8px; }

/* ---------- Cabeçalho ---------- */
.topo{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(239,241,232,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--linha);
}
.topo-linha{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:74px;
}
.marca{ display:inline-flex; align-items:center; }
.marca-img{ height:46px; width:auto; }

.nav{ display:flex; align-items:center; gap:26px; }
.nav a{
  text-decoration:none;
  font-weight:500;
  font-size:.95rem;
  color:var(--tinta);
}
.nav a:not(.btn):hover{
  text-decoration:underline;
  text-decoration-color:var(--ocre);
  text-decoration-thickness:3px;
  text-underline-offset:6px;
}

.menu-botao{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  padding:10px;
  background:transparent;
  border:1px solid var(--linha);
  border-radius:10px;
  cursor:pointer;
}
.menu-botao span{
  display:block;
  height:2.5px;
  width:100%;
  background:var(--tinta);
  border-radius:2px;
  transition:transform .25s ease, opacity .25s ease;
}
.menu-botao[aria-expanded="true"] span:nth-child(1){ transform:translateY(7.5px) rotate(45deg); }
.menu-botao[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.menu-botao[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero{ padding:74px 0 80px; overflow:hidden; }
.hero-grade{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:56px;
  align-items:center;
}
.hero h1{ margin-bottom:20px; }
.hero-sub{
  font-size:1.13rem;
  color:var(--tinta-suave);
  max-width:54ch;
}
.hero-sub strong{ color:var(--tinta); }
.hero-acoes{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-nota{
  margin-top:28px;
  font-family:var(--f-mono);
  font-size:.72rem;
  letter-spacing:.04em;
  color:var(--tinta-suave);
}
.hero-desenho svg{ width:100%; height:auto; }

.rotulo{
  font-family:var(--f-mono);
  font-size:12.5px;
  letter-spacing:.04em;
  fill:var(--tinta);
}
.rotulo.forte{ font-weight:600; }

/* Animação de "traçar" o desenho */
.t{
  stroke-dasharray:1;
  stroke-dashoffset:1;
  fill-opacity:0;
  animation:
    tracar .9s cubic-bezier(.5,0,.25,1) forwards,
    preencher .5s ease forwards;
  animation-delay:var(--d, 0s), calc(var(--d, 0s) + .75s);
}
.f{
  opacity:0;
  animation:surgir .6s ease forwards;
  animation-delay:var(--d, 0s);
}
@keyframes tracar{ to{ stroke-dashoffset:0; } }
@keyframes preencher{ to{ fill-opacity:1; } }
@keyframes surgir{ to{ opacity:1; } }

/* ---------- Faixa de confiança ---------- */
.faixa{
  background:var(--carta);
  border-top:1px solid var(--linha);
  border-bottom:1px solid var(--linha);
  padding:26px 0;
}
.faixa-grade{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:28px;
}
.faixa p{
  padding-left:16px;
  border-left:3px solid var(--ocre);
  font-size:.95rem;
  color:var(--tinta-suave);
  line-height:1.5;
}
.faixa strong{ color:var(--tinta); display:block; }

/* ---------- Seções ---------- */
.secao{ padding:96px 0; }
.secao-clara{ background:var(--carta); border-top:1px solid var(--linha); border-bottom:1px solid var(--linha); }

.secao-verde{
  background:var(--verde-escuro);
  color:#EEF2E8;
}
.secao-verde h2{ color:#fff; }
.secao-verde .secao-sub{ color:rgba(238,242,232,.72); }

/* ---------- Quem somos ---------- */
.sobre-grade{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:60px;
  align-items:start;
}
.sobre-texto h2{ margin-bottom:22px; }
.sobre-texto p{ margin-bottom:16px; color:var(--tinta-suave); line-height:1.72; }
.sobre-texto strong{ color:var(--tinta); }

.valores{ list-style:none; margin-top:28px; }
.valores li{
  position:relative;
  padding-left:30px;
  margin-bottom:12px;
  color:var(--tinta-suave);
  line-height:1.6;
}
.valores li strong{ color:var(--tinta); }
.valores li::before{
  content:"";
  position:absolute;
  left:0;
  top:.42em;
  width:14px;
  height:8px;
  border-left:3px solid var(--ocre);
  border-bottom:3px solid var(--ocre);
  transform:rotate(-45deg);
}

/* Carimbo — ficha da empresa no estilo de prancha técnica */
.carimbo{
  background:var(--carta);
  border:2px solid var(--tinta);
  box-shadow:8px 8px 0 rgba(31,38,30,.10);
}
.carimbo-titulo{
  font-family:var(--f-mono);
  font-size:.74rem;
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  padding:13px 18px;
  border-bottom:2px solid var(--tinta);
  background:var(--ocre-claro);
}
.carimbo dl div{ padding:11px 18px; border-bottom:1px solid var(--linha); }
.carimbo dl div:last-child{ border-bottom:none; }
.carimbo dt{
  font-family:var(--f-mono);
  font-size:.64rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--tinta-suave);
  margin-bottom:3px;
}
.carimbo dd{ font-weight:500; font-size:.95rem; line-height:1.45; }
.carimbo dd.ativa{ color:var(--verde); font-weight:700; display:flex; align-items:center; gap:8px; }
.carimbo dd.ativa::before{
  content:"";
  width:9px; height:9px;
  border-radius:50%;
  background:var(--verde);
  box-shadow:0 0 0 3px rgba(30,86,49,.18);
}

/* ---------- Grades de cartões ---------- */
.grade-4{ display:grid; grid-template-columns:repeat(4, 1fr); gap:20px; }
.grade-3{ display:grid; grid-template-columns:repeat(3, 1fr); gap:20px; }

.cartao{
  background:var(--carta);
  border:1px solid var(--linha);
  border-radius:var(--raio);
  padding:28px 26px;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease, background-color .25s ease;
}
.cartao:hover{
  transform:translateY(-4px);
  box-shadow:var(--sombra);
  border-color:rgba(31,38,30,.3);
}
.cartao h3{ margin-bottom:10px; }
.cartao p{ font-size:.95rem; line-height:1.66; color:var(--tinta-suave); }

.cartao-escuro{
  background:rgba(255,255,255,.055);
  border-color:rgba(255,255,255,.15);
}
.cartao-escuro h3{ color:#fff; }
.cartao-escuro p{ color:rgba(238,242,232,.75); }
.cartao-escuro:hover{
  background:rgba(255,255,255,.09);
  border-color:rgba(255,255,255,.3);
  box-shadow:none;
}

/* Etiqueta CNAE (anotação de projeto) */
.cnae{
  display:inline-block;
  font-family:var(--f-mono);
  font-size:.64rem;
  letter-spacing:.12em;
  color:var(--verde);
  border:1px solid rgba(30,86,49,.4);
  border-radius:5px;
  padding:4px 9px;
  margin-bottom:14px;
}

/* ---------- Passos ---------- */
.passos{
  list-style:none;
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:20px;
  counter-reset:passo;
  margin-top:34px;
}
.passos li{
  background:var(--papel);
  border:1px solid var(--linha);
  border-radius:var(--raio);
  padding:28px 24px;
}
.passo-num{
  display:grid;
  place-items:center;
  width:42px;
  height:42px;
  border-radius:9px;
  background:var(--ocre);
  color:var(--tinta);
  font-family:var(--f-display);
  font-weight:800;
  font-size:1.15rem;
  margin-bottom:16px;
}
.passos h3{ margin-bottom:10px; font-size:1.08rem; }
.passos p{ font-size:.93rem; line-height:1.64; color:var(--tinta-suave); }

/* ---------- FAQ ---------- */
.faq{ margin-top:14px; }
.faq details{ border-bottom:1px solid var(--linha); }
.faq summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 4px;
  font-family:var(--f-display);
  font-weight:700;
  font-size:1.06rem;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:"+";
  font-family:var(--f-mono);
  font-size:1.35rem;
  color:var(--ocre);
  line-height:1;
  flex:none;
  transition:transform .25s ease;
}
.faq details[open] summary::after{ transform:rotate(45deg); }
.faq details p{
  padding:0 34px 20px 4px;
  color:var(--tinta-suave);
  line-height:1.68;
}
.faq details p strong{ color:var(--tinta); }

/* ---------- Contato ---------- */
.aviso{
  border-radius:10px;
  padding:15px 18px;
  margin-bottom:28px;
  font-weight:500;
  border:1.5px solid;
}
.aviso-ok{
  background:rgba(30,86,49,.09);
  border-color:rgba(30,86,49,.4);
  color:var(--verde-escuro);
}
.aviso-erro{
  background:#FAEBE5;
  border-color:#D08063;
  color:#8A3A20;
}

.contato-grade{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:32px;
  align-items:start;
}

.formulario{
  background:var(--papel);
  border:1px solid var(--linha);
  border-radius:14px;
  padding:32px;
}
.campo{ margin-bottom:18px; }
.campo-duplo{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.campo label{
  display:block;
  font-family:var(--f-mono);
  font-size:.68rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--tinta-suave);
  margin-bottom:8px;
}
.campo .opcional{ text-transform:none; letter-spacing:0; }
.campo input,
.campo textarea{
  width:100%;
  padding:13px 14px;
  border:1.5px solid rgba(31,38,30,.28);
  border-radius:9px;
  background:var(--carta);
  font-family:var(--f-corpo);
  font-size:1rem;
  color:var(--tinta);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.campo textarea{ resize:vertical; min-height:120px; }
.campo input:focus,
.campo textarea:focus{
  outline:none;
  border-color:var(--verde);
  box-shadow:0 0 0 3px rgba(30,86,49,.16);
}
.campo-oculto{
  position:absolute !important;
  left:-9999px !important;
  width:1px; height:1px;
  overflow:hidden;
}
.form-nota{
  margin-top:14px;
  font-size:.82rem;
  color:var(--tinta-suave);
}

.info-cartao{
  display:block;
  background:var(--papel);
  border:1px solid var(--linha);
  border-radius:14px;
  padding:20px 22px;
  margin-bottom:14px;
  text-decoration:none;
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
a.info-cartao:hover{
  transform:translateY(-3px);
  border-color:var(--verde);
  box-shadow:var(--sombra);
}
.info-rotulo{
  font-family:var(--f-mono);
  font-size:.66rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--tinta-suave);
  margin-bottom:6px;
}
.info-valor{ font-weight:700; font-size:1.14rem; line-height:1.3; }
.info-valor.quebra{ word-break:break-all; font-size:1.02rem; }
.info-extra{ font-size:.87rem; color:var(--tinta-suave); margin-top:4px; }

.mapa{ margin-top:36px; }
.mapa iframe{
  width:100%;
  height:340px;
  border:1px solid var(--linha);
  border-radius:14px;
  display:block;
}

/* ---------- Rodapé ---------- */
.rodape{
  background:var(--verde-noite);
  color:rgba(240,242,232,.82);
}
.rodape-grade{
  display:grid;
  grid-template-columns:1.25fr 1fr 1.15fr;
  gap:44px;
  padding:62px 0 34px;
}
.rodape-logo{
  display:inline-block;
  background:var(--papel);
  padding:10px 14px;
  border-radius:10px;
}
.rodape-logo img{ height:40px; width:auto; }
.rodape-marca p{ margin-top:16px; max-width:30ch; line-height:1.6; }

.rodape-nav{ display:flex; flex-direction:column; gap:11px; }
.rodape-nav a{
  color:rgba(240,242,232,.78);
  text-decoration:none;
  font-size:.95rem;
  width:fit-content;
}
.rodape-nav a:hover{
  color:#fff;
  text-decoration:underline;
  text-decoration-color:var(--ocre);
  text-underline-offset:5px;
}

.rodape-contato p{ margin-bottom:9px; font-size:.95rem; line-height:1.55; }

.rodape-legal{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-family:var(--f-mono);
  font-size:.68rem;
  letter-spacing:.05em;
  color:rgba(240,242,232,.55);
}

/* ---------- WhatsApp flutuante ---------- */
.zap-flutuante{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:90;
  width:58px;
  height:58px;
  border-radius:50%;
  background:var(--zap);
  color:#fff;
  display:grid;
  place-items:center;
  box-shadow:0 12px 28px -8px rgba(16,41,31,.5);
  transition:transform .2s ease;
}
.zap-flutuante:hover{ transform:scale(1.08); }

/* ---------- Revelação ao rolar ---------- */
html.js .reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .7s ease, transform .7s ease;
}
html.js .reveal.in{
  opacity:1;
  transform:none;
}

/* ---------- Responsivo ---------- */
@media (max-width: 1080px){
  .grade-4{ grid-template-columns:repeat(2, 1fr); }
  .passos{ grid-template-columns:repeat(2, 1fr); }
}

@media (max-width: 1000px){
  .grade-3{ grid-template-columns:repeat(2, 1fr); }
  .sobre-grade{ grid-template-columns:1fr; gap:44px; }
  .carimbo{ max-width:560px; }
}

@media (max-width: 960px){
  .hero{ padding:52px 0 64px; }
  .hero-grade{ grid-template-columns:1fr; gap:44px; }
  .hero-desenho{ max-width:540px; margin-inline:auto; width:100%; }
  .contato-grade{ grid-template-columns:1fr; }
}

@media (max-width: 860px){
  .menu-botao{ display:flex; }
  .nav{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--papel);
    border-bottom:1px solid var(--linha);
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:14px 24px 20px;
    box-shadow:0 18px 30px -18px rgba(31,38,30,.3);
  }
  .nav.aberta{ display:flex; }
  .nav a:not(.btn){ padding:11px 2px; border-bottom:1px solid var(--linha); }
  .nav a:last-of-type{ border-bottom:none; }
  .btn-nav{ margin-top:12px; }
  .topo{ position:sticky; }
}

@media (max-width: 760px){
  .faixa-grade{ grid-template-columns:1fr; gap:16px; }
  .rodape-grade{ grid-template-columns:1fr; gap:30px; padding:48px 0 26px; }
  .secao{ padding:72px 0; }
}

@media (max-width: 620px){
  .grade-4, .grade-3, .passos, .campo-duplo{ grid-template-columns:1fr; }
  .btn{ width:100%; }
  .btn-nav{ width:auto; }
  .zap-flutuante{ width:54px; height:54px; right:16px; bottom:16px; }
  .container{ width:calc(100% - 40px); }
}

/* ---------- Acessibilidade: menos movimento ---------- */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *, *::before, *::after{
    animation-duration:.001s !important;
    animation-delay:0s !important;
    transition-duration:.001s !important;
  }
  .t{ stroke-dashoffset:0; fill-opacity:1; animation:none; }
  .f{ opacity:1; animation:none; }
  html.js .reveal{ opacity:1; transform:none; }
}