/* ==========================================================================
   C8 Partners — folha de estilo única
   Paleta: petróleo profundo + papel + latão contido
   ========================================================================== */

:root{
  --ink:#0B1F24;
  --petrol:#123A40;
  --petrol-soft:#1C4B52;
  --paper:#FBFBF9;
  --mist:#E8EBE8;
  --line:#CFD6D4;
  --brass:#9C7A3C;
  --brass-light:#C4A063;
  --text:#1A2A2E;
  --text-soft:#4E6167;

  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Archivo","Helvetica Neue",Arial,sans-serif;

  --measure:74ch;
  --wrap:1180px;
  --rule:1px solid var(--line);

  --step--1:clamp(.82rem,.79rem + .15vw,.9rem);
  --step-0:clamp(1rem,.96rem + .2vw,1.075rem);
  --step-1:clamp(1.2rem,1.12rem + .4vw,1.4rem);
  --step-2:clamp(1.5rem,1.34rem + .8vw,2rem);
  --step-3:clamp(1.95rem,1.6rem + 1.75vw,3rem);
  --step-4:clamp(2.4rem,1.75rem + 3.2vw,4.4rem);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:var(--step-0);
  line-height:1.65;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:var(--serif);
  color:var(--ink);
  font-weight:450;
  line-height:1.12;
  letter-spacing:-.015em;
  margin:0 0 .6em;
  text-wrap:balance;
}
h1{font-size:var(--step-4)}
h2{font-size:var(--step-3)}
h3{font-size:var(--step-1);line-height:1.25}
h4{font-size:var(--step-0);font-family:var(--sans);font-weight:600;letter-spacing:0}

p{margin:0 0 1.1em;max-width:var(--measure)}
a{color:var(--petrol);text-decoration:none;border-bottom:1px solid var(--brass-light)}
a:hover{color:var(--brass);border-bottom-color:var(--brass)}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px}
img,svg{max-width:100%;height:auto}
ul{margin:0 0 1.1em;padding-left:1.1em}
li{margin-bottom:.35em;max-width:var(--measure)}
strong{font-weight:600;color:var(--ink)}
hr{border:0;border-top:var(--rule);margin:3rem 0}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(1.25rem,4vw,3.5rem)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:1rem;top:1rem;z-index:99;background:var(--ink);color:#fff;padding:.7rem 1rem;border:0}

/* ---------- Cabeçalho ---------- */
.site-head{
  position:sticky;top:0;z-index:40;
  background:rgba(251,251,249,.94);
  backdrop-filter:blur(8px);
  border-bottom:var(--rule);
}
.head-in{display:flex;align-items:center;justify-content:space-between;gap:1.25rem;min-height:74px;flex-wrap:nowrap}
.logo{
  font-family:var(--serif);font-size:1.32rem;letter-spacing:.02em;
  color:var(--ink);border:0;display:inline-flex;align-items:baseline;gap:.4rem;
  flex:0 0 auto;white-space:nowrap;
}
.logo b{font-weight:600}
@media (max-width:620px){.logo span{display:none}}
.logo span{font-family:var(--sans);font-size:.72rem;letter-spacing:.18em;color:var(--text-soft);text-transform:uppercase}
.nav{display:flex;align-items:center;gap:clamp(.85rem,1.2vw,1.2rem);flex-wrap:nowrap}
.nav a{
  border:0;font-size:var(--step--1);color:var(--text-soft);
  padding:.35rem 0;border-bottom:1px solid transparent;letter-spacing:.01em;
}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--brass)}
.nav a.btn{
  margin-left:.5rem;border:1px solid var(--ink);color:#fff;
  padding:.62rem 1.15rem;border-radius:2px;
}
.nav a.btn:hover{background:var(--petrol);border-color:var(--petrol);color:#fff}
.burger{display:none;background:none;border:var(--rule);border-radius:2px;padding:.55rem .7rem;cursor:pointer;color:var(--ink);font-family:var(--sans);font-size:.8rem}

@media (max-width:1100px){
  .burger{display:block}
  .nav{
    display:none;position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);border-bottom:var(--rule);padding:.5rem 0 1.25rem;
  }
  .nav[data-open="true"]{display:flex}
  .nav a{padding:.85rem clamp(1.25rem,4vw,3.5rem);border-bottom:var(--rule)}
  .nav a.btn{margin:1rem clamp(1.25rem,4vw,3.5rem) 0;text-align:center;padding:.78rem 1.4rem}
}

/* ---------- Botões ---------- */
.btn{
  display:inline-block;border:1px solid var(--ink);background:var(--ink);color:#fff;
  font-family:var(--sans);font-size:var(--step--1);font-weight:500;letter-spacing:.02em;
  padding:.78rem 1.4rem;border-radius:2px;cursor:pointer;white-space:nowrap;flex:0 0 auto;
  transition:background .18s ease,color .18s ease;
}
.btn:hover{background:var(--petrol);color:#fff;border-color:var(--petrol)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:transparent;color:var(--paper);border-color:rgba(251,251,249,.5)}
.btn-light:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn-row{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.8rem}

/* ---------- Régua de seção ---------- */
.sec{padding-block:clamp(3.5rem,7vw,6.5rem);border-top:var(--rule)}
.sec:first-of-type{border-top:0}
.sec-dark{background:var(--ink);color:var(--mist);border-top:0}
.sec-dark h2,.sec-dark h3{color:var(--paper)}
.sec-dark p{color:#BCC8C9}
.sec-dark a{color:var(--brass-light);border-bottom-color:rgba(196,160,99,.45)}
.sec-mist{background:var(--mist)}

.marker{
  display:block;font-family:var(--sans);font-size:.72rem;letter-spacing:.14em;
  color:var(--brass);margin-bottom:1.1rem;font-weight:500;
}
.sec-dark .marker{color:var(--brass-light)}
.lede{font-size:var(--step-1);line-height:1.5;color:var(--text-soft);max-width:60ch;font-weight:400}
.sec-dark .lede{color:#A9B8BA}

/* ---------- Herói ---------- */
.hero{padding-block:clamp(3rem,7vw,6rem) clamp(3rem,6vw,5.5rem)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:2.75rem}}
.hero h1{margin-bottom:1.1rem}
.hero h1 em{font-style:italic;font-weight:400}
.hero-sub{font-size:var(--step-1);color:var(--text-soft);max-width:46ch;line-height:1.5}

/* Diagrama do herói */
.plot{border:var(--rule);background:#fff;padding:clamp(1.25rem,3vw,2rem)}
.plot-title{font-family:var(--sans);font-size:.8rem;letter-spacing:.02em;color:var(--text-soft);margin-bottom:1.25rem}
.plot svg{display:block;width:100%;height:auto}
.plot-note{font-size:.78rem;color:var(--text-soft);margin:1.1rem 0 0;line-height:1.5;max-width:none}
.bar-a,.bar-b{transform-origin:left center}
@media (prefers-reduced-motion:no-preference){
  .bar-a{animation:grow .9s cubic-bezier(.2,.7,.2,1) .25s both}
  .bar-b{animation:grow 1.1s cubic-bezier(.2,.7,.2,1) .55s both}
  .plot-gap{animation:fade .6s ease 1.5s both}
  @keyframes grow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
  @keyframes fade{from{opacity:0}to{opacity:1}}
}

/* ---------- Grades ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(1.5rem,3.5vw,3rem)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.5rem,3vw,2.5rem)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1.25rem,2.5vw,2rem)}
@media (max-width:980px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:660px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* Divisões — blocos maiores, com régua à esquerda */
.division{border-left:2px solid var(--brass);padding-left:clamp(1.25rem,2.5vw,2rem)}
.division h3{font-size:var(--step-2);margin-bottom:.5rem}
.division .kicker{font-family:var(--sans);font-size:.74rem;letter-spacing:.14em;color:var(--brass);display:block;margin-bottom:.9rem}
.division ul{list-style:none;padding:0;margin-top:1.2rem;border-top:var(--rule)}
.division li{padding:.6rem 0;border-bottom:var(--rule);font-size:var(--step--1);color:var(--text-soft);margin:0}

/* Serviço / princípio — sem cartões idênticos, só hairline superior */
.item{border-top:2px solid var(--ink);padding-top:1.1rem}
.sec-dark .item{border-top-color:var(--brass)}
.item h3{margin-bottom:.4rem}
.item p{font-size:var(--step--1);color:var(--text-soft);margin-bottom:0}
.sec-dark .item p{color:#A9B8BA}

/* Ciclo — aqui a numeração é legítima: é sequência */
.cycle{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:var(--rule)}
@media (max-width:880px){.cycle{grid-template-columns:1fr}}
.stage{counter-increment:s;padding:1.75rem clamp(1rem,2vw,1.75rem) 1.75rem 0;border-right:var(--rule);position:relative}
.stage:last-child{border-right:0}
@media (max-width:880px){.stage{border-right:0;border-bottom:var(--rule);padding-right:0}.stage:last-child{border-bottom:0}}
.stage::before{
  content:counter(s,decimal-leading-zero);
  font-family:var(--serif);font-size:2.6rem;color:var(--brass);
  display:block;line-height:1;margin-bottom:.7rem;
}
.stage h3{font-size:var(--step-1);margin-bottom:.35rem}
.stage p{font-size:var(--step--1);color:var(--text-soft);margin:0}

/* Listas de setores / geografias */
.tags{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.5rem}
.tags li{margin:0}
.tags a,.tags span{
  display:inline-block;border:var(--rule);border-radius:2px;padding:.5rem .95rem;
  font-size:var(--step--1);color:var(--text);background:#fff;
}
.tags a{border-bottom:1px solid var(--line)}
.tags a:hover{border-color:var(--brass);color:var(--brass)}
.sec-dark .tags a,.sec-dark .tags span{background:transparent;border-color:rgba(232,235,232,.28);color:var(--mist)}

/* Tabela de dados */
.data{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:var(--step--1)}
.data th,.data td{text-align:left;padding:.75rem .9rem;border-bottom:var(--rule)}
.data th{font-weight:600;color:var(--ink);border-bottom:2px solid var(--ink)}
.data td:last-child,.data th:last-child{text-align:right;font-variant-numeric:tabular-nums}
.table-scroll{overflow-x:auto}

/* FAQ */
.faq{border-top:var(--rule);margin-top:2rem}
.faq details{border-bottom:var(--rule)}
.faq summary{
  cursor:pointer;padding:1.15rem 2rem 1.15rem 0;font-weight:500;color:var(--ink);
  font-size:var(--step-0);list-style:none;position:relative;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:.25rem;top:1rem;color:var(--brass);font-size:1.3rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details > *:not(summary){margin-bottom:1.25rem;font-size:var(--step--1);color:var(--text-soft)}

/* Página interna */
.page-head{padding-block:clamp(2.5rem,5vw,4.25rem) clamp(1.75rem,3vw,2.5rem);border-bottom:var(--rule)}
.crumbs{font-size:.78rem;color:var(--text-soft);margin-bottom:1.25rem}
.crumbs a{border:0;color:var(--text-soft)}
.crumbs a:hover{color:var(--brass)}
.page-head h1{font-size:var(--step-3);max-width:30ch}
.prose h2{font-size:var(--step-2);margin-top:2.5rem}
.prose h3{margin-top:2rem}
.prose > *:first-child{margin-top:0}
.answer{
  border-left:2px solid var(--brass);padding:.25rem 0 .25rem 1.25rem;
  font-size:var(--step-1);line-height:1.5;color:var(--ink);max-width:62ch;margin-bottom:2rem;
}

/* Formulário */
.form{max-width:620px;margin-top:2rem}
.field{margin-bottom:1.35rem}
.field label{display:block;font-size:var(--step--1);font-weight:500;color:var(--ink);margin-bottom:.4rem}
.field input,.field select,.field textarea{
  width:100%;padding:.75rem .85rem;border:var(--rule);border-radius:2px;
  font-family:var(--sans);font-size:var(--step-0);color:var(--text);background:#fff;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brass);outline:none;box-shadow:0 0 0 2px rgba(156,122,60,.18)}
.field textarea{min-height:130px;resize:vertical}
.consent{display:flex;gap:.7rem;align-items:flex-start;font-size:.85rem;color:var(--text-soft);line-height:1.5}
.consent input{width:auto;margin-top:.25rem;flex:0 0 auto}

/* Bloco de destaque final */
.cta-band{background:var(--petrol);color:var(--paper);border:0}
.cta-band h2{color:var(--paper);max-width:24ch}
.cta-band p{color:#B9C9CA;max-width:52ch}

/* ---------- Rodapé ---------- */
.site-foot{background:var(--ink);color:#93A5A8;padding-block:clamp(3rem,5vw,4.5rem) 2rem;font-size:var(--step--1)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
@media (max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}
.site-foot h4{color:var(--paper);font-size:.74rem;letter-spacing:.14em;margin-bottom:1rem;font-weight:500}
.site-foot ul{list-style:none;padding:0;margin:0}
.site-foot li{margin-bottom:.55rem}
.site-foot a{color:#93A5A8;border:0}
.site-foot a:hover{color:var(--brass-light)}
.site-foot .logo{color:var(--paper)}
.site-foot .logo span{color:#6F8285}
.foot-base{border-top:1px solid rgba(147,165,168,.22);margin-top:2.75rem;padding-top:1.5rem;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;font-size:.78rem}
.foot-base p{margin:0;max-width:none;color:#7C9094}

/* ---------- Consentimento de cookies ---------- */
.cookie{
  position:fixed;inset:auto 1rem 1rem 1rem;z-index:60;max-width:460px;
  background:#fff;border:1px solid var(--ink);border-radius:2px;
  padding:1.35rem;box-shadow:0 12px 40px rgba(11,31,36,.18);
}
.cookie[hidden]{display:none}
.cookie p{font-size:.85rem;margin-bottom:1rem;color:var(--text-soft)}
.cookie h4{margin-bottom:.5rem}
.cookie-actions{display:flex;flex-wrap:wrap;gap:.6rem}
.cookie .btn{padding:.55rem 1.1rem;font-size:.8rem}