:root{
  --ink:#15252c;          /* slate-teal escuro (texto/base) */
  --ink-soft:#3d525b;     /* texto secundário */
  --paper:#f7f6f2;        /* fundo claro */
  --paper-2:#ffffff;      /* cartões */
  --line:#d8dbd4;         /* hairlines técnicas */
  --line-strong:#b9c0b8;
  --signal:#e79a2b;       /* âmbar de sinalização — só destaque/CTA */
  --signal-deep:#c67f16;
  --go:#2f7d5b;           /* verde discreto p/ status "ok" */
  --map:#7d94a0;          /* traços de mapa */
  --radius:4px;
  --wrap:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'IBM Plex Sans',system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Archivo',sans-serif;line-height:1.08;letter-spacing:-0.01em}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.accent{color:var(--signal-deep)}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,242,0.9);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
}
.bar{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;flex-direction:column;line-height:1.1;text-decoration:none}
.brand b{font-family:'Archivo';font-weight:800;font-size:18px;letter-spacing:-0.02em}
.brand span{font-size:11px;color:var(--ink-soft)}
nav{display:flex;gap:26px;align-items:center}
nav a{font-size:14.5px;text-decoration:none;color:var(--ink-soft);font-weight:500}
nav a:hover{color:var(--ink)}
.nav-links{display:flex;gap:26px}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:'Archivo';font-weight:700;font-size:15px;
  text-decoration:none;cursor:pointer;border:none;
  padding:12px 20px;border-radius:var(--radius);
  transition:transform .12s ease, background .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-wa{background:var(--signal);color:#20160a}
.btn-wa:hover{background:var(--signal-deep);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line-strong)}
.btn-ghost:hover{border-color:var(--ink)}
.wa-ico{width:18px;height:18px;flex:none}

/* ---------- Hero ---------- */
.hero{padding:64px 0 56px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--ink-soft);
  border:1px solid var(--line-strong);border-radius:100px;
  padding:5px 13px;margin-bottom:22px;
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--signal);flex:none}
h1{font-size:clamp(34px,5vw,52px);font-weight:800}
.hero p.lead{font-size:19px;color:var(--ink-soft);margin:22px 0 30px;max-width:34ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-note{font-size:13.5px;color:var(--ink-soft);margin-top:18px}

/* Diagrama SVG do raio de influência */
.diagram{width:100%;height:auto;display:block;border-radius:8px;background:var(--paper-2);border:1px solid var(--line)}

/* ---------- Strip contexto ---------- */
.strip{background:var(--ink);color:#e8ebe6}
.strip .wrap{display:flex;gap:40px;flex-wrap:wrap;padding:22px 24px;font-size:14.5px}
.strip div{display:flex;gap:11px;align-items:flex-start}
.strip .k{color:var(--signal);font-family:'Archivo';font-weight:700;flex:none}

/* ---------- Seções ---------- */
section.block{padding:76px 0}
.sec-head{max-width:60ch;margin-bottom:44px}
.sec-head h2{font-size:clamp(26px,3.4vw,36px);font-weight:800}
.sec-head p{color:var(--ink-soft);font-size:17px;margin-top:14px}

/* O que é — dois estudos */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.study{background:var(--paper-2);border:1px solid var(--line);border-radius:8px;padding:32px;position:relative}
.study .tag{font-family:'Archivo';font-weight:800;font-size:13px;color:var(--signal-deep);letter-spacing:0.02em}
.study h3{font-size:23px;margin:6px 0 12px;font-weight:700}
.study p{color:var(--ink-soft);font-size:15.5px}
.study ul{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:9px}
.study li{font-size:15px;padding-left:24px;position:relative}
.study li::before{content:"";position:absolute;left:0;top:9px;width:11px;height:2px;background:var(--signal)}

/* Quando é exigido */
.triggers{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 40px}
.trigger{display:flex;gap:14px;align-items:flex-start;padding:18px 0;border-top:1px solid var(--line)}
.trigger .num{font-family:'Archivo';font-weight:700;color:var(--map);font-size:15px;flex:none;min-width:24px}
.trigger p{font-size:15.5px}
.trigger strong{font-weight:600}

/* Entregáveis */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--paper-2);border:1px solid var(--line);border-radius:8px;padding:26px}
.card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--ink-soft)}
.card .ci{width:26px;height:26px;margin-bottom:16px;color:var(--signal-deep)}

/* Processo — sequência real, numeração cabe aqui */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.step{padding:28px 24px 28px 0;border-top:2px solid var(--ink);position:relative}
.step .n{font-family:'Archivo';font-weight:800;font-size:30px;color:var(--signal-deep);line-height:1}
.step h3{font-size:17px;margin:14px 0 8px;font-weight:700}
.step p{font-size:14px;color:var(--ink-soft)}

/* Diferenciais */
.why{background:var(--ink);color:#eef1ec;border-radius:12px;padding:52px}
.why h2{color:#fff;font-size:clamp(24px,3vw,32px);font-weight:800;max-width:22ch}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:40px}
.why-item h3{color:var(--signal);font-size:17px;margin-bottom:9px;font-weight:700}
.why-item p{font-size:15px;color:#c4ccc6}

/* FAQ */
.faq details{border-top:1px solid var(--line);padding:6px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 40px 20px 0;position:relative;
  font-family:'Archivo';font-weight:600;font-size:18px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:18px;font-size:24px;color:var(--signal-deep);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 40px 22px 0;color:var(--ink-soft);font-size:15.5px;max-width:75ch}

/* Contato */
.contact{background:var(--paper-2);border-top:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact h2{font-size:clamp(26px,3.4vw,38px);font-weight:800}
.contact p.sub{color:var(--ink-soft);font-size:17px;margin:16px 0 28px;max-width:40ch}
.wa-big{
  display:inline-flex;align-items:center;gap:12px;
  background:var(--signal);color:#20160a;text-decoration:none;
  font-family:'Archivo';font-weight:700;font-size:18px;
  padding:16px 26px;border-radius:var(--radius);
}
.wa-big:hover{background:var(--signal-deep);color:#fff}
.wa-num{margin-top:16px;font-size:15px;color:var(--ink-soft)}
form{display:flex;flex-direction:column;gap:14px}
form label{font-size:13.5px;font-weight:600;color:var(--ink-soft);margin-bottom:-8px}
form input,form select,form textarea{
  font-family:inherit;font-size:15px;padding:13px 14px;
  border:1.5px solid var(--line-strong);border-radius:var(--radius);
  background:var(--paper);color:var(--ink);
}
form input:focus,form select:focus,form textarea:focus{outline:none;border-color:var(--signal)}
form textarea{resize:vertical;min-height:90px}
form button{margin-top:4px;justify-content:center}
.form-hint{font-size:12.5px;color:var(--ink-soft)}

/* Footer */
footer{background:var(--ink);color:#aeb8b1;padding:44px 0 30px}
.foot-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
footer b{color:#fff;font-family:'Archivo';font-size:16px}
footer p{font-size:13.5px;margin-top:8px;max-width:44ch}
.foot-bottom{border-top:1px solid #2a3a41;margin-top:32px;padding-top:20px;font-size:12.5px;color:#7f8b84}

/* Focus acessível */
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2.5px solid var(--signal);outline-offset:2px;border-radius:2px;
}

@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto;transition:none!important}}

/* ---------- Responsivo ---------- */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .duo,.triggers,.grid3,.why-grid,.contact-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .why{padding:36px 26px}
  section.block{padding:56px 0}
}
@media(max-width:520px){
  .steps{grid-template-columns:1fr}
  .strip .wrap{flex-direction:column;gap:14px}
  .bar{height:60px}
  .brand b{font-size:16px}
}

/* ============================================================
   ADIÇÕES — navegação mobile, captura de lead e imagens
   ============================================================ */

/* Skip link */
.skip{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--ink);color:#fff;padding:12px 18px;
  font-family:'Archivo';font-weight:700;font-size:14px;border-radius:0 0 var(--radius) 0;
}
.skip:focus{left:0}

/* Menu mobile */
.menu-btn{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;flex:none;
  background:transparent;border:1.5px solid var(--line-strong);
  border-radius:var(--radius);cursor:pointer;color:var(--ink);
}
.menu-btn svg{width:20px;height:20px}
.menu-btn .ico-close{display:none}
.menu-btn[aria-expanded="true"] .ico-open{display:none}
.menu-btn[aria-expanded="true"] .ico-close{display:block}
.mobile-nav{
  display:none;border-top:1px solid var(--line);
  background:var(--paper-2);
}
.mobile-nav.open{display:block}
.mobile-nav a{
  display:block;padding:15px 24px;text-decoration:none;
  font-family:'Archivo';font-weight:600;font-size:16px;
  border-bottom:1px solid var(--line);
}
.mobile-nav a:last-child{border-bottom:none}

/* Banda de imagem — contexto urbano */
.band{
  position:relative;height:clamp(180px,26vw,300px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--ink);overflow:hidden;
}
.band img{
  width:100%;height:100%;object-fit:cover;display:block;
  opacity:.55;filter:saturate(.75);
}
.band .band-cap{
  position:absolute;left:0;right:0;bottom:0;
  background:linear-gradient(to top,rgba(21,37,44,.92),rgba(21,37,44,0));
  color:#e8ebe6;padding:34px 0 18px;
}
.band .band-cap p{
  max-width:var(--wrap);margin:0 auto;padding:0 24px;
  font-size:14.5px;
}
.band .band-cap b{font-family:'Archivo';color:var(--signal)}

/* Bloco escuro "por que nós" com textura de fundo */
.why{position:relative;overflow:hidden;isolation:isolate}
.why .why-bg{
  position:absolute;inset:0;z-index:-1;
  width:100%;height:100%;object-fit:cover;
  opacity:.16;filter:grayscale(.3);
}

/* Formulário de lead — estados */
.form-card{
  background:var(--paper);border:1px solid var(--line);
  border-radius:8px;padding:28px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-row > div{display:flex;flex-direction:column;gap:14px}
form .hp{position:absolute;left:-9999px}
form button[aria-busy="true"]{opacity:.7;pointer-events:none}
.form-status{
  display:none;gap:11px;align-items:flex-start;
  border-radius:var(--radius);padding:14px 16px;font-size:14.5px;
}
.form-status.show{display:flex}
.form-status.ok{background:#eaf4ee;border:1px solid #bcdcc9;color:#1f5b41}
.form-status.err{background:#fdf0e4;border:1px solid #f0cfa4;color:#8a5308}
.form-status svg{width:18px;height:18px;flex:none;margin-top:2px}

/* Botão flutuante de WhatsApp (mobile) */
.wa-float{
  display:none;position:fixed;right:16px;bottom:16px;z-index:60;
  align-items:center;gap:9px;
  background:var(--signal);color:#20160a;text-decoration:none;
  font-family:'Archivo';font-weight:700;font-size:15px;
  padding:14px 18px;border-radius:100px;
  box-shadow:0 6px 22px rgba(21,37,44,.28);
}
.wa-float svg{width:20px;height:20px}

@media(max-width:900px){
  .menu-btn{display:inline-flex}
  .wa-float{display:inline-flex}
  .form-row{grid-template-columns:1fr}
  .nav-cta{display:none}
  .form-card{padding:22px}
}

/* Campos dentro do cartão claro precisam de contraste próprio */
.form-card input,.form-card select,.form-card textarea{background:var(--paper-2)}

/* Espaço para o botão flutuante não cobrir o rodapé no mobile */
@media(max-width:900px){footer{padding-bottom:88px}}