/* PRUMIS Engenharia de Acesso — site
   Regra de cor do manual: latão SÓ como acento pontual (nunca em texto de corpo).
   Fonte única: IBM Plex Sans, self-hosted. Sem hífen na copy. */

@font-face{font-family:'Plex';font-weight:400;font-display:swap;
  src:url(fonts/plex-400.woff2) format('woff2');}
@font-face{font-family:'Plex';font-weight:500;font-display:swap;
  src:url(fonts/plex-500.woff2) format('woff2');}
@font-face{font-family:'Plex';font-weight:600;font-display:swap;
  src:url(fonts/plex-600.woff2) format('woff2');}
@font-face{font-family:'Plex';font-weight:700;font-display:swap;
  src:url(fonts/plex-700.woff2) format('woff2');}

:root{
  --gr:#26292B;   /* grafite, base */
  --gr2:#33373A;
  --la:#A8761E;   /* latão, acento */
  --cl:#F4F1EC;   /* areia, fundo claro */
  --cl2:#EBE6DD;
  --ln:#DDD6CB;   /* linha */
  --mut:#726A5E;  /* texto secundário sobre claro */
  --mutd:#A79E8F; /* texto secundário sobre escuro */
  --max:1120px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Plex',system-ui,sans-serif;background:var(--cl);color:var(--gr);
  -webkit-font-smoothing:antialiased;line-height:1.55;font-size:17px}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
::selection{background:var(--la);color:#fff}

.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.eyebrow{font-size:12px;font-weight:500;letter-spacing:.24em;text-transform:uppercase;color:var(--la)}
.eyebrow.on-dark{color:var(--la)}
h1,h2,h3{font-weight:600;letter-spacing:-.015em;line-height:1.06}
h2{font-size:clamp(26px,4vw,40px)}
h3{font-size:19px;letter-spacing:-.01em;line-height:1.2}
p{max-width:62ch}
.lead{font-size:clamp(18px,2.2vw,22px);line-height:1.5;color:var(--mut)}
strong{font-weight:600}

/* fio de prumo: motivo grafico recorrente */
.plumb{width:1px;background:var(--ln);margin:0 auto;position:relative}
.plumb::after{content:"";position:absolute;left:50%;bottom:0;transform:translate(-50%,50%) rotate(45deg);
  width:9px;height:9px;background:var(--la)}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:40;background:rgba(244,241,236,.86);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--ln)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav .brand{height:30px}
.nav .brand svg{height:30px;width:auto}
.nav ul{display:flex;gap:30px;list-style:none;align-items:center}
.nav ul a{font-size:14.5px;color:var(--mut);transition:color .15s}
.nav ul a:hover{color:var(--gr)}
.btn{display:inline-flex;align-items:center;gap:9px;font-size:14.5px;font-weight:500;
  padding:11px 20px;border-radius:6px;background:var(--gr);color:#fff;transition:background .15s;
  border:1px solid var(--gr);cursor:pointer}
.btn:hover{background:#000}
.btn.ghost{background:transparent;color:var(--gr)}
.btn.ghost:hover{background:var(--gr);color:#fff}
.btn.on-dark{background:#fff;color:var(--gr);border-color:#fff}
.btn.on-dark:hover{background:var(--cl)}
/* ghost sobre fundo escuro: vazado com texto branco.
   Precisa vir DEPOIS de .on-dark, senão o fundo branco dele vence e o botão some. */
.btn.ghost.on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn.ghost.on-dark:hover{background:#fff;color:var(--gr);border-color:#fff}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--gr);margin:4px 0}

/* ---- hero (2 colunas: texto + ilustração, modelo Adler) ---- */
.hero{background:var(--gr);color:#fff;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  padding:60px 28px 68px}
.hero .eyebrow{margin-bottom:20px;display:block}
.hero h1{font-size:clamp(40px,6vw,68px);line-height:1.0;letter-spacing:-.02em}
.hero h1 .b{color:var(--la)}
.hero p{color:var(--mutd);font-size:clamp(17px,2vw,20px);max-width:46ch;margin-top:24px;line-height:1.5}
.hero .cta{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.hero-tags{margin-top:30px;font-size:12.5px;color:var(--mutd);letter-spacing:.04em;
  border-top:1px solid rgba(255,255,255,.12);padding-top:16px}
.hero .hilu{display:flex;justify-content:center;align-items:center}
.hero .hilu img{width:100%;max-width:520px;height:auto}

/* MODELO B — centralizado: tudo no eixo, ilustração grande embaixo */
.hero-b .wrap{display:block;text-align:center;max-width:940px;padding:56px 28px 64px}
.hero-b .htxt{max-width:none}
.hero-b h1{max-width:none}
.hero-b p{margin-left:auto;margin-right:auto;max-width:54ch}
.hero-b .cta{justify-content:center}
.hero-b .hero-tags{display:inline-block;border-top:0;padding-top:0;margin-top:22px}
.hero-b .hilu{margin-top:20px}
.hero-b .hilu img{max-width:560px}

/* MODELO C — vitrine: a ilustração domina à direita, texto compacto à esquerda com filete */
.hero-c .wrap{grid-template-columns:.78fr 1.22fr;gap:0;align-items:stretch;padding:0}
.hero-c .htxt{padding:64px 40px 64px 0;align-self:center}
.hero-c .hilu{position:relative;background:#2b3033;padding:40px 28px;justify-content:center}
.hero-c .hilu img{max-width:600px}

/* ---- section base ---- */
section{padding:84px 0}
.sec-head{max-width:64ch}
.sec-head .eyebrow{margin-bottom:16px;display:block}
.sec-head h2{margin-bottom:0}
.sec-head p{margin-top:18px}

/* ---- posicionamento ---- */
.stance{background:var(--cl)}
.stance .grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:start;margin-top:8px}
.stance blockquote{font-size:clamp(23px,3.4vw,34px);font-weight:600;line-height:1.18;
  letter-spacing:-.015em;max-width:none}
.stance blockquote .b{color:var(--la)}
.stance .aside p{color:var(--mut);font-size:16px}
.stance .aside p+p{margin-top:14px}

/* ---- serviços ---- */
.svc{background:var(--cl2)}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:44px}
.card{background:var(--cl);border:1px solid var(--ln);border-radius:10px;padding:28px 30px 32px;
  position:relative}
.card-ic{width:40px;height:40px;margin-bottom:14px}
.card .n{font-size:13px;font-weight:500;color:var(--la);letter-spacing:.12em}
.card h3{margin:8px 0 10px}
.card p{color:var(--mut);font-size:15.5px}

/* ---- dossiê (o diferencial) ---- */
.dossie{background:var(--gr);color:#fff}
.dossie .sec-head .eyebrow{color:var(--la)}
.dossie .sec-head p{color:var(--mutd)}
.dossie .list{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--gr2);
  border:1px solid var(--gr2);border-radius:10px;overflow:hidden;margin-top:44px}
.dossie .item{background:var(--gr);padding:26px 24px}
.dossie .item .k{display:flex;align-items:center;gap:11px;font-size:15px;font-weight:600}
.dossie .item .k::before{content:"";width:8px;height:8px;background:var(--la);
  transform:rotate(45deg);flex:none}
.dossie .item p{color:var(--mutd);font-size:13.5px;margin-top:9px;line-height:1.5}
.dossie .foot{margin-top:32px;font-size:15px;color:var(--mutd);max-width:70ch}
.dossie .foot strong{color:#fff}

/* ---- processo ---- */
.proc .steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:48px;position:relative}
.proc .step{padding:0 18px;position:relative}
.proc .step:not(:last-child)::after{content:"";position:absolute;top:15px;right:0;width:100%;
  height:1px;background:var(--ln);z-index:0}
.proc .dot{width:32px;height:32px;border-radius:50%;background:var(--cl);border:1px solid var(--la);
  color:var(--la);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;
  position:relative;z-index:1;font-variant-numeric:tabular-nums}
.proc .step h3{font-size:16px;margin:18px 0 8px}
.proc .step p{font-size:14px;color:var(--mut)}

/* ---- para quem ---- */
.who{background:var(--cl2)}
.who .grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-top:8px}
.who ul{list-style:none;margin-top:6px}
.who li{padding:16px 0;border-bottom:1px solid var(--ln);display:flex;gap:14px;align-items:baseline}
.who li:first-child{border-top:1px solid var(--ln)}
.who li .t{font-weight:600;font-size:16.5px}
.who li .d{color:var(--mut);font-size:14.5px;margin-top:3px}
.who .note{background:var(--cl);border-left:3px solid var(--la);border-radius:0 8px 8px 0;
  padding:22px 24px}
.who .note p{font-size:15.5px;color:var(--mut);margin:0}
.who .note strong{color:var(--gr)}

/* ---- cta final ---- */
.cta-final{background:var(--gr);color:#fff;text-align:center}
.cta-final .wrap{padding:92px 28px}
.cta-final .plumb{height:52px;margin-bottom:34px;background:rgba(255,255,255,.16)}
.cta-final h2{font-size:clamp(28px,4.5vw,46px);max-width:20ch;margin:0 auto}
.cta-final p{color:var(--mutd);margin:20px auto 0;font-size:18px}
.cta-final .cta{margin-top:38px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---- footer ---- */
footer{background:#1D2022;color:var(--mutd);font-size:13.5px;padding:52px 0 40px}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
footer .brand svg{height:34px;margin-bottom:16px}
footer h4{color:#fff;font-size:12px;letter-spacing:.2em;text-transform:uppercase;font-weight:500;
  margin-bottom:14px}
footer a:hover{color:#fff}
footer .col p{margin-bottom:9px;max-width:none}
footer .tagline{color:var(--mutd);max-width:34ch;line-height:1.6}
footer .legal{border-top:1px solid #2E3234;margin-top:40px;padding-top:22px;
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12.5px;color:#6E675C}

/* ---- responsivo ---- */
@media(max-width:820px){
  .nav ul{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;
    background:var(--cl);border-bottom:1px solid var(--ln);padding:14px 28px;gap:2px}
  .nav ul.open{display:flex}
  .nav ul li{width:100%}
  .nav ul a{display:block;padding:12px 0}
  .nav ul .btn{margin-top:8px;justify-content:center}
  .nav-toggle{display:block}
  .stance .grid,.who .grid{grid-template-columns:1fr;gap:32px}
  .cards{grid-template-columns:1fr}
  .dossie .list{grid-template-columns:1fr}
  .proc .steps{grid-template-columns:1fr;gap:26px}
  .proc .step{padding:0}
  .proc .step:not(:last-child)::after{display:none}
  .hero .wrap{grid-template-columns:1fr;gap:8px;padding:44px 28px 48px}
  .hero .hilu{order:-1;max-height:280px;overflow:hidden;margin-bottom:8px}
  .hero .hilu img{max-width:340px}
  /* modelo B e C no mobile: empilham, ilustração no topo */
  .hero-b .wrap{padding:40px 28px 44px}
  .hero-c .wrap{grid-template-columns:1fr;padding:0}
  .hero-c .htxt{padding:40px 28px 36px;order:1}
  .hero-c .hilu{padding:26px;max-height:260px}
  .hero-b .hilu img,.hero-c .hilu img{max-width:320px}
  footer .wrap{grid-template-columns:1fr;gap:26px}
}