/* PRK Automação e Controle — estilos globais */
:root{
  --bg:#11181d; --bg-2:#172027; --bg-3:#1e2931; --line:#2a3741; --line-2:#3b4a56;
  --text:#e9eef1; --muted:#9dabb4; --faint:#6f7e89;
  --orange:#ff6a00; --orange-2:#ff8a3a; --ink:#1a0d02; --wa:#25d366; --err:#ff6b5e;
  --display:"Archivo","Arial Narrow",Arial,sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --max:1200px; --r:6px; --hdr:76px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 12px)}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.6 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-stretch:112%;line-height:1.08;margin:0;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(2.3rem,5vw,3.9rem);font-weight:700}
h2{font-size:clamp(1.75rem,3.2vw,2.55rem);font-weight:700}
h3{font-size:1.14rem;font-weight:600;line-height:1.25}
p{margin:0}
ul{margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.sec{padding:104px 0;position:relative}
.sec.alt{background:var(--bg-2);border-block:1px solid var(--line)}
.lead{color:var(--muted);font-size:1.12rem;max-width:62ch}
.head{display:grid;gap:16px;margin-bottom:48px;max-width:780px}
.kicker{font-family:var(--display);font-stretch:112%;font-weight:600;color:var(--orange);font-size:.98rem}
.muted{color:var(--muted)}
.small{font-size:.86rem;color:var(--faint);line-height:1.5}
:focus-visible{outline:2px solid var(--orange-2);outline-offset:3px;border-radius:3px}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--orange);color:var(--ink);padding:10px 14px;border-radius:var(--r);font-weight:600;text-decoration:none}
.skip:focus{top:12px}
.ico{width:32px;height:32px;color:var(--orange);flex:none}

/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 22px;border-radius:var(--r);font:600 1rem/1.1 var(--body);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .2s,border-color .2s,color .2s,transform .12s}
.btn:active{transform:translateY(1px)}
.btn svg{width:19px;height:19px;flex:none}
.btn-primary{background:var(--orange);color:var(--ink)}
.btn-primary:hover{background:var(--orange-2)}
.btn-ghost{border-color:var(--line-2);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--text)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.textlink{color:var(--text);font-weight:600;text-decoration:underline;text-decoration-color:var(--orange);text-underline-offset:5px;text-decoration-thickness:2px}
.textlink:hover{color:var(--orange-2)}

/* header */
.hdr{position:fixed;inset:0 0 auto;z-index:50;background:rgba(17,24,29,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:28px;height:var(--hdr)}
.logo{flex:none}
.logo img{height:38px;width:auto}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav>a,.dd>button{color:var(--muted);font:500 .96rem var(--body);padding:10px 12px;border-radius:4px;text-decoration:none;background:none;border:0;cursor:pointer;display:flex;align-items:center;gap:6px;position:relative}
.nav>a:hover,.dd>button:hover,.dd:focus-within>button,.nav .on{color:var(--text)}
.nav .on::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--orange)}
.dd{position:relative}
.dd>button svg{width:14px;height:14px;transition:transform .2s}
.dd-panel{position:absolute;top:100%;left:-8px;min-width:270px;padding:10px;background:var(--bg-2);border:1px solid var(--line-2);border-radius:8px;box-shadow:0 18px 40px rgba(0,0,0,.45);display:grid;gap:2px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .18s,transform .18s,visibility .18s}
.dd:hover .dd-panel,.dd:focus-within .dd-panel,.dd.open .dd-panel{opacity:1;visibility:visible;transform:none}
.dd:hover>button svg,.dd.open>button svg{transform:rotate(180deg)}
.dd-panel a{display:grid;gap:1px;padding:9px 12px;border-radius:5px;text-decoration:none}
.dd-panel a:hover,.dd-panel a.on{background:var(--bg-3)}
.dd-panel b{font-weight:600;font-size:.95rem}
.dd-panel span{font-size:.8rem;color:var(--faint)}
.hdr-cta{padding:11px 18px;font-size:.94rem;flex:none}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line-2);color:var(--text);width:44px;height:44px;border-radius:var(--r);cursor:pointer;place-items:center}
.burger svg{width:22px;height:22px}
.nav>.nav-mcta{display:none}

main{padding-top:var(--hdr)}

/* HOME hero */
.hero{padding:76px 0 0;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:stretch}
.hero-text{align-self:center;padding:8px 0 84px}
.hero h1{margin-bottom:18px}
.hero .sub{font-family:var(--display);font-stretch:112%;font-weight:600;font-size:clamp(1.25rem,2.2vw,1.6rem);color:var(--orange);margin-bottom:18px}
.hero .lead{margin-bottom:34px}
/* uma foto só, encostando na borda direita e descendo até a faixa */
.hero-photo{margin:0 min(0px,calc((var(--max) - 100vw)/2)) 0 0;border-radius:10px 0 0 0;overflow:hidden;border:1px solid var(--line);border-right:0;border-bottom:0;background:var(--bg-3);min-height:560px}
.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:center 42%}

/* assinatura: engenharia + painel + programação + campo */
.chain{border-block:1px solid var(--line);background:var(--bg-2)}
.chain ol{list-style:none;margin:0 auto;padding:0;display:grid;grid-template-columns:repeat(4,1fr)}
.chain li{padding:26px 24px 26px 0;display:grid;grid-template-columns:auto 1fr;gap:4px 14px;align-items:start;position:relative}
.chain li+li{padding-left:24px;border-left:1px solid var(--line)}
.chain li+li::before{content:"+";position:absolute;left:-11px;top:50%;transform:translateY(-50%);width:22px;height:22px;border-radius:50%;background:var(--orange);color:var(--ink);font:700 16px/22px var(--body);text-align:center}
.chain .ico{grid-row:span 2;width:30px;height:30px}
.chain b{font-family:var(--display);font-stretch:112%;font-size:1.15rem}
.chain span{color:var(--muted);font-size:.9rem;line-height:1.4}

/* números (opcional) */
.proof{display:flex;flex-wrap:wrap;gap:16px 48px;padding:32px 0}
.proof div{display:grid}
.proof b{font-family:var(--display);font-stretch:112%;font-size:2.2rem;line-height:1}
.proof span{color:var(--muted);font-size:.92rem}

/* dois caminhos — "Como podemos ajudar?" */
.paths{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.path{border:1px solid var(--line-2);border-radius:12px;padding:44px 40px;display:grid;gap:18px;align-content:start;background:var(--bg-2);position:relative;overflow:hidden}
.path h3{font-size:clamp(1.4rem,2.4vw,1.85rem);font-weight:700}
.path p{color:var(--muted);font-size:1.04rem}
.path .ico{width:40px;height:40px}
.path .btn{justify-self:start;margin-top:10px}
.path.accent{border-color:var(--orange)}
.path.accent::before{content:"";position:absolute;inset:0 0 auto;height:4px;background:var(--orange)}

/* necessidades */
.needs{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.need{background:var(--bg);padding:26px 24px;display:grid;gap:10px;align-content:start;text-decoration:none;transition:background .2s}
.need:hover{background:var(--bg-2)}
.need p{color:var(--muted);font-size:.93rem}
.need .go{font-size:.86rem;font-weight:600;color:var(--orange-2);margin-top:4px}

/* produto extrusora */
.product{background:var(--bg-2);border-block:1px solid var(--line);position:relative}
.product::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--orange)}
.product-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.product-grid>*{min-width:0}
.product h2{margin:14px 0 18px}
.product .btn-row{margin-top:32px}
.vars{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.var{border:1px solid var(--line-2);border-radius:8px;padding:20px 18px;background:var(--bg);display:grid;gap:8px;align-content:start}
.var .ico{width:28px;height:28px}
.var p{color:var(--muted);font-size:.86rem;line-height:1.45}
.potential{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.potential div{border:1px solid var(--line);border-radius:8px;padding:18px}
.potential b{display:block;font-family:var(--display);font-stretch:112%;font-size:1.8rem;line-height:1.1}
.potential span{color:var(--muted);font-size:.88rem}

/* blocos divididos */
.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:center}
.split.rev{grid-template-columns:1.2fr .8fr}
.split>*{min-width:0}
.photo{border-radius:10px;overflow:hidden;border:1px solid var(--line);background:var(--bg-3)}
.photo img{width:100%;height:100%;object-fit:cover}
.checks{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px 28px;margin:28px 0 34px}
.checks li{display:grid;grid-template-columns:20px 1fr;gap:10px;font-size:.98rem}
.checks svg{width:18px;height:18px;color:var(--orange);margin-top:4px}
.checks.one{grid-template-columns:1fr}

/* fluxo */
.flow{display:grid;grid-template-columns:repeat(7,1fr);position:relative}
.flow::before{content:"";position:absolute;left:4%;right:4%;top:27px;height:2px;background:linear-gradient(90deg,var(--orange) var(--p,0%),var(--line-2) var(--p,0%));transition:background .3s}
.step{text-align:center;padding:0 6px;position:relative}
.node{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--bg-2);border:2px solid var(--line-2);display:grid;place-items:center;color:var(--muted);transition:border-color .4s,color .4s,background .4s}
.sec:not(.alt) .node{background:var(--bg)}
.node svg{width:24px;height:24px}
.step.lit .node{border-color:var(--orange);color:var(--orange);background:#26180e}
.step h3{font-size:1rem;margin-bottom:4px}
.step p{font-size:.84rem;color:var(--muted);line-height:1.45}
.step-n{position:absolute;top:0;right:50%;transform:translateX(36px);font-family:var(--display);font-stretch:112%;font-weight:700;font-size:.8rem;color:var(--faint)}
.flow-foot{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:64px;padding-top:40px;border-top:1px solid var(--line)}
.svc-links{display:grid;gap:2px;list-style:none;padding:0}
.svc-links a{display:grid;grid-template-columns:24px 1fr;gap:2px 14px;padding:14px 0;border-bottom:1px solid var(--line);text-decoration:none}
.svc-links a:hover b{color:var(--orange-2)}
.svc-links .ico{width:22px;height:22px;grid-row:span 2}
.svc-links b{font-weight:600}
.svc-links span{color:var(--faint);font-size:.88rem}

/* cases */
.cases{display:grid;gap:28px}
.case{display:grid;grid-template-columns:340px 1fr;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--bg)}
.case .photo{border:0;border-radius:0;min-height:100%}
.case-body{padding:34px 36px;display:grid;gap:20px;align-content:start}
.case-seg{font-size:.88rem;color:var(--orange-2);font-weight:600}
.case h3{font-size:1.4rem}
.case dl{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:18px 32px}
.case dt{font-family:var(--display);font-stretch:112%;font-weight:600;margin-bottom:4px}
.case dd{margin:0;color:var(--muted);font-size:.95rem}
.case .wide{grid-column:1/-1}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips span{font-size:.8rem;border:1px solid var(--line-2);border-radius:4px;padding:3px 9px;color:var(--muted)}
.also{margin-top:40px;display:flex;flex-wrap:wrap;gap:10px 12px;align-items:center}
.also b{margin-right:6px}
.also span{border:1px solid var(--line);border-radius:20px;padding:6px 14px;font-size:.9rem;color:var(--muted)}

/* engenharia de controle */
.control-method{margin-top:72px;padding-top:56px;border-top:1px solid var(--line)}
.cchain{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}
.cchain::before{content:"";position:absolute;left:0;right:0;top:15px;height:2px;background:linear-gradient(90deg,var(--orange),var(--line-2))}
.cchain li{display:grid;gap:8px;align-content:start;padding:0 20px 0 0;position:relative}
.cchain li::after{content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:2px solid var(--orange)}
.sec.alt .cchain li::after{background:var(--bg-2)}
.cchain .cc-n{font-family:var(--display);font-stretch:112%;font-weight:700;font-size:.82rem;color:var(--faint);padding-left:26px;line-height:32px}
.cchain b{font-family:var(--display);font-stretch:112%;font-size:1.1rem;font-weight:600}
.cchain .cc-d{color:var(--muted);font-size:.88rem;line-height:1.5}

/* frase de destaque */
.quote{margin:56px 0 0;padding:32px 0 0;border-top:1px solid var(--line);font-family:var(--display);font-stretch:112%;font-weight:600;font-size:clamp(1.25rem,2.4vw,1.75rem);line-height:1.3;max-width:34ch}

/* por que PRK */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:36px}
.why.three{grid-template-columns:repeat(3,1fr);gap:32px 36px}
.why.numbered{counter-reset:w}
.why.numbered div{counter-increment:w;padding-top:22px}
.why.numbered div::before{content:counter(w,decimal-leading-zero);display:block;font-family:var(--display);font-stretch:112%;font-weight:700;font-size:1.3rem;color:var(--orange);margin-bottom:10px}
.why-note{margin-top:44px;padding-top:28px;border-top:1px solid var(--line);color:var(--muted);max-width:64ch}

/* soluções x engenharia */
.svc-cols{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.svc-cols>div>h3{font-size:1.05rem;padding-bottom:14px;border-bottom:2px solid var(--orange);margin-bottom:6px}
.why div{border-top:2px solid var(--orange);padding-top:20px}
.why h3{margin-bottom:10px}
.why p{color:var(--muted);font-size:.95rem}

/* timeline */
.tl{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(7,1fr)}
.tl.eight{grid-template-columns:repeat(8,1fr)}
.tl li{padding-right:18px}
.tl .n{font-family:var(--display);font-stretch:112%;font-weight:700;font-size:1.7rem;color:var(--orange);display:block;padding-bottom:12px;margin-bottom:14px;border-bottom:2px solid var(--line-2)}
.tl h3{font-size:.98rem;margin-bottom:6px}
.tl p{font-size:.85rem;color:var(--muted);line-height:1.5}

/* tecnologias */
.tech{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.tech h3{font-size:1rem;margin-bottom:12px}
.tech ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.tech li{border:1px solid var(--line-2);border-radius:4px;padding:5px 11px;font-size:.88rem;color:var(--muted)}

/* CTA banda */
.band{background:var(--orange);color:var(--ink);padding:80px 0;overflow:hidden;position:relative}
.band::after{content:"";position:absolute;right:-70px;top:50%;width:400px;height:400px;border:56px solid rgba(255,255,255,.14);transform:translateY(-50%) rotate(45deg);border-radius:24px}
.band .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.band p{font-size:1.12rem;margin-top:14px;max-width:54ch;color:#3a1c04}
.band .btn-row{justify-content:flex-end}
.btn-dark{background:var(--bg);color:#fff}
.btn-dark:hover{background:#2a3640}
.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:rgba(0,0,0,.08)}

/* formulário */
.contact{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}
.contact>*{min-width:0}
.contact-info{display:grid;gap:26px;align-content:start}
.ci{display:grid;gap:3px}
.ci small{color:var(--faint);font-size:.85rem}
.ci a,.ci b{font-weight:600;text-decoration:none;font-size:1.05rem;overflow-wrap:anywhere}
.ci a:hover{color:var(--orange-2)}
form.lead-form{background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:34px;display:grid;grid-template-columns:1fr 1fr;gap:18px 20px;position:relative}
.sec.alt form.lead-form{background:var(--bg)}
.f{display:grid;gap:7px;align-content:start}
.f.full,.form-title,.form-sub{grid-column:1/-1}
.form-title{font-size:1.4rem}
.form-sub{color:var(--faint);font-size:.9rem;margin-top:-10px;font-weight:600;padding-top:8px;border-top:1px solid var(--line)}
label{font-size:.9rem;font-weight:500}
label em{color:var(--orange);font-style:normal}
label i{color:var(--faint);font-style:normal;font-weight:400}
input,select,textarea{width:100%;background:var(--bg);border:1px solid var(--line-2);border-radius:var(--r);color:var(--text);font:400 1rem var(--body);padding:12px 14px;transition:border-color .2s}
.sec.alt input,.sec.alt select,.sec.alt textarea{background:var(--bg-2)}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239dabb4' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:18px;padding-right:40px}
textarea{min-height:130px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--orange)}
.f.bad input,.f.bad select,.f.bad textarea{border-color:var(--err)}
.err{color:var(--err);font-size:.82rem;display:none}
.f.bad .err{display:block}
.hp{position:absolute;left:-9999px;width:1px;height:1px}
.form-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:4px}
.form-foot small{color:var(--faint);font-size:.83rem;max-width:40ch}
.form-msg{grid-column:1/-1;padding:14px 16px;border-radius:var(--r);display:none;font-size:.95rem}
.form-msg.ok{display:block;background:rgba(53,194,141,.1);border:1px solid rgba(53,194,141,.4)}
.form-msg.fail{display:block;background:rgba(255,107,94,.1);border:1px solid rgba(255,107,94,.4)}

/* páginas internas */
.crumbs{font-size:.86rem;color:var(--faint);margin-bottom:22px}
.crumbs a{text-decoration:none;color:var(--muted)}
.crumbs a:hover{color:var(--text)}
.page-hero{padding:64px 0 84px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.page-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.page-hero-grid>*{min-width:0}
.page-hero h1{font-size:clamp(2.1rem,4.4vw,3.4rem);margin-bottom:20px}
.page-hero .lead{margin-bottom:32px}
.scope-card{border:1px solid var(--line-2);border-radius:10px;padding:28px;background:var(--bg)}
.scope-card h2{font-size:1.1rem;margin-bottom:20px}
.start-list{list-style:none;padding:0;margin:0;display:grid;gap:0;counter-reset:s}
.start-list li{counter-increment:s;display:grid;grid-template-columns:30px 1fr;gap:2px 14px;padding:14px 0;border-top:1px solid var(--line)}
.start-list li:first-child{border-top:0;padding-top:0}
.start-list li::before{content:counter(s,decimal-leading-zero);grid-row:span 2;font-family:var(--display);font-stretch:112%;font-weight:700;color:var(--orange);font-size:1.05rem;line-height:1.5}
.start-list b{font-weight:600}
.start-list span{color:var(--muted);font-size:.92rem;line-height:1.45}
.page-hero .photo{aspect-ratio:4/4.4;max-height:520px}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.cols2 h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:22px}
.mini-steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:m}
.mini-steps li{counter-increment:m;border-top:2px solid var(--line-2);padding-top:16px}
.mini-steps li:first-child{border-color:var(--orange)}
.mini-steps li::before{content:counter(m,decimal-leading-zero);font-family:var(--display);font-stretch:112%;font-weight:700;color:var(--orange);font-size:1.4rem;display:block;margin-bottom:8px}
.mini-steps h3{font-size:1rem;margin-bottom:6px}
.mini-steps p{color:var(--muted);font-size:.9rem}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.related a{border:1px solid var(--line);border-radius:8px;padding:20px;text-decoration:none;display:grid;gap:6px;transition:border-color .2s}
.related a:hover{border-color:var(--orange)}
.related span{color:var(--muted);font-size:.9rem}
.faq{display:grid;gap:10px;max-width:860px}
.faq details{border:1px solid var(--line);border-radius:8px;background:var(--bg)}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--orange);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{padding:0 22px 20px;color:var(--muted)}
.diagram{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:22px;margin:0;min-width:0}
.diagram .scroll{overflow-x:auto}
.diagram svg{width:100%;height:auto;min-width:460px}
.diagram figcaption{color:var(--faint);font-size:.82rem;margin-top:10px}
.pain{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.pain.three{grid-template-columns:repeat(3,1fr)}
.pain.four{grid-template-columns:repeat(4,1fr)}
.pain li{border:1px solid var(--line);border-left:3px solid var(--orange);border-radius:6px;padding:18px 20px;color:var(--muted)}
.pain b{display:block;color:var(--text);font-weight:600;margin-bottom:4px}

/* footer */
footer{border-top:1px solid var(--line);padding:64px 0 110px;color:var(--muted);font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px}
.foot-grid img{height:34px;width:auto;margin-bottom:16px}
.foot-grid h2{font-size:.98rem;color:var(--text);margin-bottom:14px}
.foot-local{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:.86rem;color:var(--faint);line-height:1.6}
.foot-grid ul{list-style:none;padding:0;display:grid;gap:8px}
footer a{text-decoration:none}
footer a:hover{color:var(--text)}
.foot-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);font-size:.85rem;color:var(--faint)}

/* WhatsApp flutuante */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;align-items:center;gap:10px;background:var(--wa);color:#06290f;border-radius:40px;padding:14px 20px 14px 16px;font-weight:600;text-decoration:none;box-shadow:0 8px 24px rgba(0,0,0,.4);transition:transform .25s,opacity .25s;opacity:0;transform:translateY(12px);pointer-events:none}
.wa-float.show{opacity:1;transform:none;pointer-events:auto}
.wa-float.show:hover{transform:translateY(-2px)}
.wa-float svg{width:24px;height:24px}
.toast{position:fixed;left:50%;bottom:92px;transform:translate(-50%,16px);background:var(--bg-3);border:1px solid var(--line-2);padding:12px 18px;border-radius:var(--r);font-size:.9rem;opacity:0;pointer-events:none;transition:.25s;z-index:70;max-width:calc(100% - 40px)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ===== responsivo ===== */
@media (max-width:1120px){
  .nav,.hdr-cta{display:none}
  .burger{display:grid}
  body.menu-open{overflow:hidden}
  /* o backdrop-filter do cabeçalho vira containing block para elementos fixed:
     enquanto o menu está aberto ele sai, para o painel ocupar a tela inteira */
  .menu-open .hdr{backdrop-filter:none;background:var(--bg)}
  .menu-open .nav{display:flex;flex-direction:column;align-items:stretch;gap:0;position:fixed;top:var(--hdr);left:0;right:0;bottom:0;background:var(--bg);padding:12px 24px 40px;overflow-y:auto;margin:0}
  .menu-open .nav>a,.menu-open .dd>button{font-size:1.15rem;padding:15px 2px;border-bottom:1px solid var(--line);width:100%;color:var(--text)}
  .menu-open .nav>.nav-mcta{display:flex;justify-content:center;border-bottom:0;font-size:1.05rem;padding:15px 20px}
  .menu-open .nav .on::after{display:none}
  .menu-open .dd>button svg{display:none}
  .menu-open .dd-panel{position:static;opacity:1;visibility:visible;transform:none;background:none;border:0;box-shadow:none;padding:6px 0 10px 12px;min-width:0}
  .menu-open .dd-panel span{display:none}
  .menu-open .wa-float{display:none}
  .hero-grid,.product-grid,.split,.split.rev,.contact,.band .wrap,.page-hero-grid,.cols2{grid-template-columns:1fr}
  .hero-text{padding:0 0 28px}
  .hero-photo{margin:0 -24px;border-radius:0;border:0;border-top:1px solid var(--line);aspect-ratio:16/10;min-height:0;max-width:none}
  .hero-photo img{object-position:center 45%}
  .chain ol{grid-template-columns:1fr 1fr}
  .chain li:nth-child(3){border-left:0;padding-left:0}
  .chain li:nth-child(3)::before{display:none}
  .chain li:nth-child(n+3){border-top:1px solid var(--line)}
  .needs{grid-template-columns:1fr 1fr}
  .why,.why.three{grid-template-columns:1fr 1fr}
  .pain.three,.pain.four{grid-template-columns:1fr 1fr}
  .paths,.svc-cols{grid-template-columns:1fr}
  .cchain{grid-template-columns:1fr 1fr 1fr}
  .cchain::before{display:none}
  .cchain li{padding-bottom:26px}
  .flow{grid-template-columns:1fr}
  .flow::before{left:27px;right:auto;top:10px;bottom:10px;width:2px;height:auto;background:linear-gradient(180deg,var(--orange) var(--p,0%),var(--line-2) var(--p,0%))}
  .step{text-align:left;display:grid;grid-template-columns:56px 1fr;gap:2px 18px;padding:0 0 20px}
  .node{margin:0;grid-row:span 2}
  .step h3{margin-top:6px}
  .flow-foot{grid-template-columns:1fr}
  .tl,.tl.eight{grid-template-columns:repeat(4,1fr);gap:32px 0}
  .quote{max-width:none}
  .case{grid-template-columns:260px 1fr}
  .tech{grid-template-columns:1fr}
  .band .btn-row{justify-content:flex-start}
  .split .photo,.page-hero .photo{max-width:520px;aspect-ratio:4/3}
  .mini-steps{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:700px){
  body{font-size:16px}
  .sec{padding:72px 0}
  .wrap{padding:0 18px}
  .logo img{height:32px}
  .hero{padding-top:44px}
  .hero-photo{margin:0 -18px;aspect-ratio:4/3}
  .hero .btn-row .btn,.band .btn-row .btn,.track .btn,.page-hero .btn-row .btn{flex:1 1 100%;justify-self:stretch}
  .chain ol{grid-template-columns:1fr}
  .chain li,.chain li+li{padding:18px 0;border-left:0}
  .chain li+li{border-top:1px solid var(--line)}
  .chain li+li::before{display:none}
  .paths,.needs,.why,.why.three,.why.numbered,.checks,.case dl,.related,.pain,.pain.three,.pain.four,.mini-steps,.cchain{grid-template-columns:1fr}
  .path{padding:30px 24px}
  .cchain li{padding-bottom:22px}
  .step-n{right:auto;left:0;transform:none;top:-2px}
  .control-method{margin-top:52px;padding-top:44px}
  .vars{grid-template-columns:1fr 1fr}
  .track{padding:28px 22px}
  .potential b{font-size:1.45rem}
  .tl,.tl.eight{grid-template-columns:1fr 1fr}
  .case{grid-template-columns:1fr}
  .case .photo{aspect-ratio:4/3}
  .case-body{padding:24px 20px}
  form.lead-form{grid-template-columns:1fr;padding:22px}
  .form-foot .btn{width:100%}
  .wa-float span{display:none}
  .wa-float{padding:15px}
  .band::after{width:240px;height:240px;border-width:36px;right:-120px}
  .foot-grid{grid-template-columns:1fr}
  .diagram{padding:14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}