/* ==========================================================================
   R&M Automação Industrial — folha de estilo principal
   ========================================================================== */

:root{
  --verde:#17803D;
  --verde-esc:#0F5C2B;
  --lima:#B9CE4E;
  --grafite:#1A1F1C;
  --grafite-2:#242B27;
  --cinza:#F2F3F1;
  --linha:#DCE0DC;
  --texto:#414A46;
  --titulo:#151A17;
  --zap:#25D366;
  --fonte:'Plus Jakarta Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  --max:1320px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:#fff;color:var(--texto);
  font-family:var(--fonte);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
h1,h2,h3,h4{color:var(--titulo);margin:0;line-height:1.15;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(2rem,4.4vw,3.35rem)}
h2{font-size:clamp(1.6rem,3vw,2.35rem)}
h3{font-size:clamp(1.15rem,1.7vw,1.45rem);font-weight:700}
h4{font-size:1.02rem;font-weight:700}
p{margin:0 0 1rem}
a{color:inherit}
:focus-visible{outline:3px solid var(--lima);outline-offset:2px}

.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}
.sec{padding:96px 0}
.sec-cinza{background:var(--cinza)}
.sec-escura{background:var(--grafite);color:#C9D2CC}
.sec-escura h2,.sec-escura h3,.sec-escura h4{color:#fff}
.lead{font-size:1.09rem;max-width:62ch}
.cabecalho-sec{max-width:62ch;margin-bottom:54px}
.cabecalho-sec p{margin-top:14px;font-size:1.05rem}
.centro{margin-left:auto;margin-right:auto;text-align:center}
.pular{position:absolute;left:-9999px}
.pular:focus{left:12px;top:12px;z-index:300;background:#fff;padding:10px 16px;border:2px solid var(--verde)}

/* ---------- cabeçalho ---------- */
.topo{background:var(--grafite);color:#fff;position:relative;z-index:60}
.topo .wrap{display:flex;align-items:center;gap:28px;padding-top:16px;padding-bottom:16px}
.logo{display:flex;align-items:center;gap:13px;text-decoration:none;color:#fff;flex-shrink:0}
.logo-marca{width:44px;height:44px;flex:0 0 auto;display:block}
.logo-txt{font-weight:700;font-size:.95rem;line-height:1.2;letter-spacing:.005em;color:#fff}
.rodape .logo-marca{width:48px;height:48px}
.rodape .logo-txt{color:#fff}
.menu{display:flex;gap:30px;list-style:none;margin:0;padding:0;font-size:.9rem;font-weight:600}
.menu a{text-decoration:none;color:#DCE3DE;padding:4px 0;border-bottom:2px solid transparent}
.menu a:hover,.menu a[aria-current="page"]{color:#fff;border-color:var(--lima)}
.topo-acao{margin-left:auto;display:flex;align-items:center;gap:14px}
.tel{font-size:.86rem;color:#A9B5AD;text-decoration:none}
.tel b{display:block;color:#fff;font-size:.98rem}
.abrir-menu{display:none;flex:0 0 auto;background:none;border:1px solid #3A443D;color:#fff;font:inherit;
  font-size:.86rem;font-weight:700;padding:9px 14px;border-radius:3px;cursor:pointer;margin-left:auto}

/* ---------- botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font:inherit;font-weight:700;font-size:.93rem;text-decoration:none;cursor:pointer;
  padding:14px 26px;border-radius:3px;border:2px solid transparent;
  transition:background .15s,color .15s,border-color .15s;
}
.btn-p{background:var(--verde);color:#fff}
.btn-p:hover{background:var(--verde-esc)}
.btn-s{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-s:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-t{background:transparent;color:var(--verde);border-color:var(--verde)}
.btn-t:hover{background:var(--verde);color:#fff}
.btn-sm{padding:10px 18px;font-size:.86rem}
.acoes{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}

/* ---------- herói ---------- */
.hero{position:relative;background:var(--grafite);color:#D3DCD6;overflow:hidden}
.hero-fundo{position:absolute;inset:0;overflow:hidden;background:#141917}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.5s ease-in-out}
.hero-slide.ativa{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover;object-position:center 32%;display:block}
.hero-fundo::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(16,20,18,.93) 0%,rgba(16,20,18,.84) 40%,rgba(16,20,18,.42) 78%,rgba(16,20,18,.3) 100%)}
.hero-grade{position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px}
.hero .wrap{position:relative;padding-top:132px;padding-bottom:132px;min-height:76vh;display:flex;align-items:center}
.hero-txt{max-width:720px}
.hero h1{color:#fff;max-width:17ch}
.hero-sub{font-size:1.14rem;max-width:54ch;margin-top:22px;color:#C3CDC6}
.marca-lima{width:46px;height:5px;background:var(--lima);margin-bottom:26px}
.hero-pontos{position:absolute;left:0;right:0;bottom:26px;z-index:3;display:flex;gap:9px;justify-content:center}
.hero-pontos button{width:9px;height:9px;padding:0;border-radius:50%;border:none;cursor:pointer;background:rgba(255,255,255,.34)}
.hero-pontos button[aria-current="true"]{background:var(--lima);width:26px;border-radius:5px}

/* ---------- credenciais ---------- */
.cred{background:var(--verde);color:#fff}
.cred .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;padding:0}
.cred div{padding:26px 22px;background:var(--verde);position:relative}
.cred div+div::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:1px;background:rgba(255,255,255,.28)}
.cred b{display:block;font-size:1.6rem;font-weight:800;line-height:1.1;color:#fff}
.cred span{font-size:.87rem;color:#D6ECDD;display:block;margin-top:5px}

/* ---------- clientes ---------- */
.clientes{padding:78px 0;border-bottom:1px solid var(--linha)}
.clientes-cab{text-align:center;max-width:62ch;margin:0 auto 10px}
.clientes-cab h2{margin-bottom:12px}
.clientes-cab p{font-size:1.05rem;color:#5E6863;margin:0}
.faixa-logos{position:relative;margin-top:40px;overflow:hidden;overflow-x:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.trilho{display:flex;align-items:center;gap:88px;width:max-content;animation:desliza 46s linear infinite}
.faixa-logos:hover .trilho,.faixa-logos:focus-within .trilho{animation-play-state:paused}
@keyframes desliza{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.cliente-logo{display:flex;align-items:center;justify-content:center;height:86px;width:180px;flex:0 0 auto}
.cliente-logo img{max-height:72px;max-width:180px;width:auto;height:auto;object-fit:contain;
  filter:grayscale(1);opacity:.55;transition:filter .22s,opacity .22s}
.cliente-logo img:hover{filter:none;opacity:1}

/* ---------- módulos ---------- */
.modulos{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--linha);border:1px solid var(--linha)}
.modulo{background:#fff;padding:36px 32px;display:flex;flex-direction:column;position:relative}
.modulo::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--lima)}
.modulo.destaque::before{background:var(--verde)}
.modulo h3{margin-bottom:12px}
.modulo p{font-size:.96rem}
.modulo ul{margin:6px 0 20px;padding-left:18px;font-size:.92rem}
.modulo ul li{margin-bottom:5px}
.modulo .btn{margin-top:auto;align-self:flex-start}
.tag-mod{font-size:.75rem;font-weight:700;color:var(--verde);margin-bottom:10px;letter-spacing:.04em}

/* ---------- problemas ---------- */
.problemas{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;background:#2F3733}
.problema{background:var(--grafite-2);padding:30px 32px;text-decoration:none;display:block;transition:background .15s}
a.problema:hover{background:#2C3430}
.problema h4{margin-bottom:8px;color:#fff;font-size:1.03rem}
.problema p{font-size:.94rem;margin:0;color:#B4BFB8}

/* ---------- processo ---------- */
.processo{display:grid;grid-template-columns:repeat(6,1fr);margin-top:14px;border-top:2px solid var(--linha)}
.etapa{padding:26px 20px 0;border-right:1px solid var(--linha);position:relative}
.etapa:last-child{border-right:none}
.etapa::before{content:"";position:absolute;top:-6px;left:0;width:10px;height:10px;background:var(--verde);border-radius:50%}
.etapa b{display:block;font-size:.98rem;color:var(--titulo);margin-bottom:6px}
.etapa span{font-size:.88rem;display:block}

/* ---------- institucional na home ---------- */
.institucional{background:#fff;border-top:1px solid var(--linha);border-bottom:1px solid var(--linha)}
.institucional .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:center;padding-top:88px;padding-bottom:88px}
.inst-img{display:flex;align-items:center;justify-content:center}
.inst-img img{width:100%;max-width:520px;height:auto;display:block;mix-blend-mode:multiply}
.inst-txt h2{max-width:20ch;margin-bottom:18px}
.inst-txt p{max-width:58ch}

/* ---------- cases ---------- */
.cases{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.grade-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case{border:1px solid var(--linha);background:#fff;display:flex;flex-direction:column}
.case-corpo{padding:28px 30px 32px}
.case-seg{font-size:.78rem;font-weight:700;color:var(--verde);letter-spacing:.03em;margin-bottom:9px}
.case h3{margin-bottom:10px;font-size:1.2rem}
.case p{font-size:.95rem}
.case-dados{display:flex;gap:26px;border-top:1px solid var(--linha);margin-top:18px;padding-top:16px;flex-wrap:wrap}
.case-dados div b{display:block;font-size:.95rem;color:var(--titulo)}
.case-dados div span{font-size:.8rem;color:#6A736E}
.ph{background:#202622;
  background-image:linear-gradient(rgba(185,206,78,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(185,206,78,.055) 1px,transparent 1px);
  background-size:26px 26px;border:1px solid #2E3630;color:#8D998F;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:.8rem;font-weight:600;padding:22px;line-height:1.55;min-height:190px}

/* ---------- segmentos: carrossel ---------- */
.faixa-seg{position:relative;overflow:hidden;margin-top:8px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent)}
.trilho-seg{display:flex;gap:20px;width:max-content;animation:desliza 70s linear infinite}
.faixa-seg:hover .trilho-seg,.faixa-seg:focus-within .trilho-seg{animation-play-state:paused}

.segmento{
  position:relative;display:block;flex:0 0 auto;
  width:340px;height:430px;overflow:hidden;text-decoration:none;
  background:var(--grafite);isolation:isolate;
}
.segmento img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;
  transform:scale(1.02);transition:transform .6s ease,filter .4s ease;
  filter:saturate(.85) contrast(1.04);
}
.segmento:hover img{transform:scale(1.07);filter:saturate(1) contrast(1.04)}
.segmento::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(14,18,16,.96) 0%,rgba(14,18,16,.82) 26%,rgba(14,18,16,.28) 58%,rgba(14,18,16,.1) 100%);
}
.seg-txt{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:26px 26px 28px}
.seg-txt::before{
  content:"";display:block;width:34px;height:4px;background:var(--lima);
  margin-bottom:16px;transition:width .35s ease;
}
.segmento:hover .seg-txt::before{width:64px}
.seg-txt b{display:block;color:#fff;font-size:1.22rem;font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
.seg-txt span{display:block;font-size:.93rem;line-height:1.55;color:#BEC9C1}

/* ---------- diferenciais ---------- */
.difs{display:grid;grid-template-columns:repeat(2,1fr);gap:0 46px}
.dif{padding:22px 0;border-top:1px solid rgba(255,255,255,.16)}
.dif h4{margin-bottom:6px}
.dif p{font-size:.95rem;margin:0;color:#AFBAB3}

/* ---------- marcas ---------- */
.marcas{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.marca{border:1px solid var(--linha);background:#fff;padding:9px 16px;font-size:.88rem;font-weight:600;color:#5A635E}

/* ---------- chamada final ---------- */
.cta-final{background:var(--verde);color:#fff}
.cta-final .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-top:64px;padding-bottom:64px}
.cta-final h2{color:#fff;max-width:18ch}
.cta-final p{color:#D9EFE1;max-width:46ch}

/* ---------- WhatsApp ---------- */
.btn-wa{background:var(--verde);color:#fff;width:100%}
.btn-wa:hover{background:var(--verde-esc)}
.wa-card{background:#fff;padding:34px;border:1px solid var(--linha)}
.wa-card h3{margin-bottom:8px}
.wa-card>p{font-size:.96rem;color:var(--texto)}
.wa-lista{margin:0 0 22px;padding-left:18px;font-size:.95rem;color:var(--texto)}
.wa-lista li{margin-bottom:5px}
.wa-nota{font-size:.82rem;color:#6A736E;margin:14px 0 0;text-align:center}
.wa-grade{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--linha);border:1px solid var(--linha)}
.wa-opcao{background:#fff;padding:26px 24px;text-decoration:none;display:block;border-left:4px solid transparent;transition:border-color .15s}
.wa-opcao:hover{border-left-color:var(--verde)}
.wa-opcao b{display:block;color:var(--titulo);font-size:1.04rem;margin-bottom:6px}
.wa-opcao span{font-size:.9rem;color:var(--texto)}
.wa-ajuda{background:#fff;border:1px solid var(--linha);padding:34px;margin-top:34px}
.wa-ajuda h3{margin-bottom:8px}
.wa-itens{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:20px}
.wa-itens div{font-size:.92rem;border-top:2px solid var(--lima);padding-top:12px}
.wa-itens b{display:block;color:var(--titulo);margin-bottom:4px;font-size:.97rem}
.wa-alt{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:34px;padding-top:26px;border-top:1px solid var(--linha)}
.wa-alt b{display:block;color:var(--titulo);font-size:.95rem}
.wa-alt span{font-size:.92rem}
.wa-flutua{position:fixed;right:22px;bottom:22px;z-index:120;width:58px;height:58px;border-radius:50%;
  background:var(--zap);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 22px rgba(18,24,20,.28);text-decoration:none}
.wa-flutua:hover{background:#1FBE59}

/* ---------- páginas internas ---------- */
.hero-int{background:var(--grafite-2);color:#C6D0C9;padding:70px 0 64px}
.hero-int h1{color:#fff;max-width:20ch;font-size:clamp(1.85rem,3.6vw,2.8rem)}
.migalha{font-size:.84rem;color:#98A49C;margin-bottom:18px}
.migalha a{text-decoration:none}
.migalha a:hover{color:#fff}
.hero-inst{position:relative;background:var(--grafite);color:#fff;overflow:hidden}
.hero-inst-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 40%}
.hero-inst::after{content:"";position:absolute;inset:0;
  background:linear-gradient(95deg,rgba(16,20,18,.92) 0%,rgba(16,20,18,.78) 48%,rgba(16,20,18,.3) 100%)}
.hero-inst .wrap{position:relative;z-index:2;padding-top:86px;padding-bottom:86px}
.hero-inst h1{color:#fff;max-width:22ch;font-size:clamp(1.85rem,3.6vw,2.8rem)}
.dois{display:grid;grid-template-columns:1.6fr .9fr;gap:56px;align-items:start}
.dois-inst{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.dois-inst.inverso{grid-template-columns:.85fr 1.15fr}
.inst-foto img{width:100%;height:auto;display:block}
.mvv{display:grid;grid-template-columns:repeat(3,1fr);gap:0 46px}
.mvv div{border-top:2px solid var(--lima);padding-top:18px}
.mvv h4{margin-bottom:8px}
.mvv p{font-size:.96rem;color:#AFBAB3;margin:0}
.lateral{border:1px solid var(--linha);padding:26px;position:sticky;top:24px;background:var(--cinza)}
.lateral h4{margin-bottom:10px}
.lateral ul{margin:0 0 18px;padding-left:18px;font-size:.92rem}
.lateral .btn{width:100%;margin-bottom:9px}
.escopo{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--linha);border:1px solid var(--linha);margin:8px 0 34px}
.escopo div{background:#fff;padding:18px 22px;font-size:.94rem}
.escopo div b{display:block;color:var(--titulo);margin-bottom:3px;font-size:.97rem}
.normas{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 30px}
.norma{background:var(--grafite);color:#fff;font-size:.83rem;font-weight:700;padding:7px 14px}
.faq{border-top:1px solid var(--linha)}
.faq details{border-bottom:1px solid var(--linha);padding:18px 0}
.faq summary{font-weight:700;color:var(--titulo);cursor:pointer;font-size:1.02rem;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";color:var(--verde);font-weight:800;margin-right:10px}
.faq details[open] summary::before{content:"\2013"}
.faq p{margin:12px 0 0;font-size:.96rem}
.corpo-texto h2{margin-bottom:18px}
.corpo-texto h2+p{font-size:1.04rem}
.corpo-texto h3{margin:34px 0 14px}
.corpo-texto ul{padding-left:20px}
.corpo-texto li{margin-bottom:7px}
.corpo-texto>p:last-child{margin-bottom:0}

/* ---------- rodapé ---------- */
.rodape{background:var(--grafite);color:#9FACA3;padding:60px 0 0;font-size:.92rem}
.rodape a{color:#9FACA3;text-decoration:none}
.rodape a:hover{color:#fff}
.rodape-grade{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.rodape h4{color:#fff;font-size:.92rem;margin-bottom:14px}
.rodape ul{list-style:none;margin:0;padding:0}
.rodape li{margin-bottom:8px}
.rodape-base{border-top:1px solid #2E3631;padding:20px 0;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:.84rem}

/* ---------- responsivo ---------- */
@media (max-width:980px){
  .wrap{padding:0 20px}
  .sec{padding:60px 0}
  .abrir-menu{display:block}
  .menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--grafite);
    flex-direction:column;gap:0;padding:8px 20px 20px;border-top:1px solid #2E3631}
  .menu.aberto{display:flex}
  .menu li{border-bottom:1px solid #2A322C}
  .menu a{display:block;padding:14px 0;border:none}
  .topo-acao{display:none}
  .hero .wrap{padding-top:70px;padding-bottom:70px;min-height:0;display:block}
  .hero-txt{max-width:none}
  .modulos,.problemas,.cases,.grade-cases,.escopo,.difs,.rodape-grade,.dois{grid-template-columns:1fr}
  .dois-inst,.dois-inst.inverso,.mvv,.institucional .wrap{grid-template-columns:1fr;gap:32px}
  .dois-inst.inverso .inst-foto{order:2}
  .wa-grade,.wa-itens,.wa-alt,.cred .wrap,.processo{grid-template-columns:1fr 1fr}
  .segmento{width:270px;height:360px}
  .seg-txt{padding:22px}
  .seg-txt b{font-size:1.1rem}
  .etapa{border-right:none;padding-bottom:18px}
  .lateral{position:static;margin-top:34px}
  .cliente-logo{width:140px;height:70px}
  .cliente-logo img{max-height:56px;max-width:140px}
  .cta-final .wrap{grid-template-columns:1fr;gap:34px}
}
@media (max-width:560px){
  .wa-grade,.wa-itens,.wa-alt,.cred .wrap{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto}
  /* a faixa de logos e o carrossel seguem rodando: são decorativos,
     de movimento lento e contínuo, e não disparam ação do visitante */
  .trilho{animation:desliza 46s linear infinite}
  .trilho-seg{animation:desliza 60s linear infinite}
}

/* foto real em card de case */
.case-foto{width:100%;height:230px;object-fit:cover;display:block;border-bottom:1px solid var(--linha)}
.grade-cases .case-foto{height:190px}