/* ---------- fontes locais (sem CDN: a CSP bloqueia e é proposital) ---------- */
@font-face{font-family:"Archivo";src:url("/assets/fonts/archivo-latin.woff2") format("woff2");
  font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Inter";src:url("/assets/fonts/inter-latin.woff2") format("woff2");
  font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("/assets/fonts/jetbrains-latin.woff2") format("woff2");
  font-weight:100 800;font-style:normal;font-display:swap}

/* Sistema de design — manufatura aditiva industrial
   Tokens + componentes. Consumido por todas as páginas. */

:root{
  --paper:#F7F8F9; --paper-2:#EDEFF1; --paper-3:#E3E7EA;
  --ink:#1A1D21; --ink-2:#3D444B;
  --blueprint:#0B4F6C; --blueprint-2:#12708F;
  --cota:#8A5320; --neutral:#5A646B; --line:#D3D8DC;
  --ok:#2F6F4F; --warn:#9A6320; --crit:#9B3A2E;
  --on-blueprint:#FFFFFF; --on-ok:#FFFFFF;
  --f-display:"Archivo",-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-body:"Inter",-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --s1:.25rem;--s2:.5rem;--s3:.75rem;--s4:1rem;--s5:1.5rem;--s6:2rem;--s7:3rem;--s8:4rem;--s9:6rem;
  --wrap:1140px;
}
@media (prefers-color-scheme:dark){:root{
  --paper:#14171A; --paper-2:#1D2126; --paper-3:#252B31;
  --ink:#E8EBED; --ink-2:#B4BCC2;
  --blueprint:#4FA8C7; --blueprint-2:#6FC2DB;
  --cota:#D9974F; --neutral:#8D979E; --line:#2C333A;
  --ok:#4E9B76; --warn:#D9974F; --crit:#D4796A;
  --on-blueprint:#08151A; --on-ok:#06140D;
}}
:root[data-theme="dark"]{
  --paper:#14171A; --paper-2:#1D2126; --paper-3:#252B31;
  --ink:#E8EBED; --ink-2:#B4BCC2;
  --blueprint:#4FA8C7; --blueprint-2:#6FC2DB;
  --cota:#D9974F; --neutral:#8D979E; --line:#2C333A;
  --ok:#4E9B76; --warn:#D9974F; --crit:#D4796A;
  --on-blueprint:#08151A; --on-ok:#06140D;
}
:root[data-theme="light"]{
  --paper:#F7F8F9; --paper-2:#EDEFF1; --paper-3:#E3E7EA;
  --ink:#1A1D21; --ink-2:#3D444B;
  --blueprint:#0B4F6C; --blueprint-2:#12708F;
  --cota:#8A5320; --neutral:#5A646B; --line:#D3D8DC;
  --ok:#2F6F4F; --warn:#9A6320; --crit:#9B3A2E;
  --on-blueprint:#FFFFFF; --on-ok:#FFFFFF;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);
     font-family:var(--f-body);font-size:16px;line-height:1.65;
     -webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}

/* ---------- tipografia ---------- */
h1,h2,h3,h4{font-family:var(--f-display);font-weight:600;text-wrap:balance;margin:0}
h1{font-size:clamp(2rem,5vw,3.1rem);line-height:1.08;letter-spacing:-.025em}
h2{font-size:clamp(1.4rem,3vw,2rem);line-height:1.15;letter-spacing:-.018em}
h3{font-size:1.25rem;line-height:1.3;letter-spacing:-.008em}
p{margin:0;max-width:68ch}
a{color:var(--blueprint);text-underline-offset:3px}

.eyebrow{font-family:var(--f-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
         color:var(--neutral);display:block}
.lead{font-size:clamp(1rem,1.6vw,1.15rem);color:var(--ink-2);max-width:60ch}
.dim{font-family:var(--f-mono);color:var(--cota);font-variant-numeric:tabular-nums;
     font-size:.92em;letter-spacing:-.01em}

/* ---------- layout ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--s5)}
.section{padding:var(--s9) 0;border-top:1px solid var(--line)}
.section:first-of-type{border-top:0}
.stack{display:flex;flex-direction:column}
.stack-2{gap:var(--s2)} .stack-3{gap:var(--s3)} .stack-4{gap:var(--s4)}
.stack-5{gap:var(--s5)} .stack-6{gap:var(--s6)} .stack-7{gap:var(--s7)}
.grid{display:grid;gap:var(--s5)}
.g-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:720px){.g-2{grid-template-columns:1fr}}
.g-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.g-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.g-3{grid-template-columns:1fr}}
.g-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.g-4{grid-template-columns:1fr}}

/* ---------- cabeçalho de seção com régua de cota ---------- */
/* A régua é o elemento assinatura: replica linha de cota de desenho técnico. */
.sec-head{display:flex;align-items:baseline;gap:var(--s4);margin-bottom:var(--s6)}
.sec-head .rule{flex:1;height:1px;background:var(--line);position:relative}
.sec-head .rule::before,.sec-head .rule::after{content:"";position:absolute;top:-3px;
  width:1px;height:7px;background:var(--line)}
.sec-head .rule::before{left:0} .sec-head .rule::after{right:0}

/* ---------- botões ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--s2);
     font-family:var(--f-body);font-size:.94rem;font-weight:500;
     padding:var(--s3) var(--s5);border:1px solid transparent;cursor:pointer;
     text-decoration:none;transition:background .15s,border-color .15s,color .15s}
.btn:focus-visible{outline:2px solid var(--blueprint);outline-offset:2px}
.btn-primary{background:var(--blueprint);color:var(--on-blueprint);border-color:var(--blueprint)}

.btn-primary:hover{background:var(--blueprint-2);border-color:var(--blueprint-2);color:var(--on-blueprint)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--blueprint);color:var(--blueprint)}
.btn-sm{padding:var(--s2) var(--s4);font-size:.86rem}

/* ---------- cartão ---------- */
.card{background:var(--paper-2);border:1px solid var(--line);padding:var(--s5);
      display:flex;flex-direction:column;gap:var(--s3)}
.card h3{font-size:1.15rem}
.card p{font-size:.94rem;color:var(--ink-2)}
.card-link{text-decoration:none;color:inherit;transition:border-color .15s,transform .15s}
.card-link:hover{border-color:var(--blueprint)}
.card-link:focus-visible{outline:2px solid var(--blueprint);outline-offset:2px}

/* ---------- indicador numérico ---------- */
.stat{display:flex;flex-direction:column;gap:var(--s1);padding:var(--s4) 0}
.stat .v{font-family:var(--f-mono);font-size:1.9rem;color:var(--ink);
         font-variant-numeric:tabular-nums;letter-spacing:-.03em;line-height:1}
.stat .v em{font-style:normal;color:var(--cota)}
.stat .k{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;
         text-transform:uppercase;color:var(--neutral)}

/* ---------- tabela técnica ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);
  background:linear-gradient(to right,var(--paper-2) 30%,transparent),
    linear-gradient(to left,var(--paper-2) 30%,transparent) 100% 0;
  background-size:40px 100%;background-repeat:no-repeat;background-attachment:local,local}
table.tec{border-collapse:collapse;width:100%;font-size:.9rem;min-width:520px}
table.tec th,table.tec td{text-align:left;padding:var(--s3) var(--s4);
  border-bottom:1px solid var(--line)}
table.tec thead th{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--neutral);font-weight:400;background:var(--paper-2)}
table.tec tbody tr:last-child td{border-bottom:0}
table.tec td.num{font-family:var(--f-mono);font-variant-numeric:tabular-nums;color:var(--cota)}
/* célula sem número com unidade cai para texto normal: âmbar é dado dimensional */
table.tec td.num.txt{color:var(--ink-2)}

/* ---------- etiqueta de estado ---------- */
.pill{display:inline-flex;align-items:center;gap:6px;font-family:var(--f-mono);
      font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;
      padding:3px 8px;border:1px solid currentColor}
.pill-ok{color:var(--ok)} .pill-warn{color:var(--warn)} .pill-crit{color:var(--crit)}
.pill-info{color:var(--blueprint)}

/* ---------- passo numerado (só onde há sequência real) ---------- */
.step{display:flex;gap:var(--s4);align-items:flex-start}
.step .n{font-family:var(--f-mono);font-size:11px;color:var(--neutral);
         border:1px solid var(--line);width:26px;height:26px;flex:0 0 26px;
         display:flex;align-items:center;justify-content:center;margin-top:2px}
.step h3{font-size:1.1rem;margin-bottom:var(--s1)}
.step p{font-size:.92rem;color:var(--ink-2)}

/* ---------- formulário ---------- */
.field{display:flex;flex-direction:column;gap:var(--s2)}
.field label{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--neutral)}
.field input,.field select,.field textarea{
  font-family:var(--f-body);font-size:.95rem;color:var(--ink);
  background:var(--paper);border:1px solid var(--line);padding:var(--s3);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:2px solid var(--blueprint);outline-offset:-1px;border-color:var(--blueprint)}
.field .hint{font-size:.82rem;color:var(--neutral)}
.dropzone{border:1px dashed var(--line);padding:var(--s6);text-align:center;
  color:var(--neutral);font-size:.9rem;background:var(--paper-2)}

/* ---------- cabeçalho / rodapé ---------- */
.nav{border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;
     background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(8px)}
.nav .row{display:flex;align-items:center;justify-content:space-between;
  gap:var(--s5);padding:var(--s4) 0}
.nav a{text-decoration:none}
.nav .links{display:flex;gap:var(--s5);align-items:center;flex-wrap:wrap}
.nav .links a:not(.btn){font-size:.92rem;color:var(--ink-2);min-height:44px;display:inline-flex;align-items:center}
.nav .links a:not(.btn):hover{color:var(--blueprint)}

/* marca provisória — trocar por logo quando o nome existir */
.brandmark{display:inline-flex;align-items:center;gap:var(--s3);text-decoration:none;color:inherit}
.brandmark .glyph{width:30px;height:30px;border:1.5px solid var(--blueprint);
  position:relative;flex:0 0 30px}
.brandmark .glyph::after{content:"";position:absolute;inset:6px;border:1.5px solid var(--cota)}
.brandmark .txt{font-family:var(--f-display);font-weight:600;letter-spacing:-.01em;font-size:1.02rem}
.brandmark .txt small{display:block;font-family:var(--f-mono);font-size:9.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--neutral);font-weight:400}


/* ---------- nav em telas estreitas: colapsa de 220px para ~56px ---------- */
@media(max-width:760px){
  .nav .row{flex-wrap:nowrap;padding:var(--s3) 0;gap:var(--s3)}
  .brandmark .txt{font-size:.95rem;white-space:nowrap}
  .brandmark .txt small{display:none}
  .nav .links{gap:0;flex-wrap:nowrap}
  .nav .links a:not(.btn){display:none}
  .nav .links .btn{margin-left:auto;white-space:nowrap}
}
/* barra secundaria de navegacao, nao-sticky, so no mobile */
.subnav{display:none}
@media(max-width:760px){
  .subnav{display:flex;gap:0;border-bottom:1px solid var(--line);overflow-x:auto;
    -webkit-overflow-scrolling:touch;background:var(--paper-2)}
  .subnav a{flex:0 0 auto;padding:var(--s3) var(--s4);font-size:.85rem;color:var(--ink-2);
    text-decoration:none;border-right:1px solid var(--line);min-height:44px;
    display:inline-flex;align-items:center;white-space:nowrap}
  .subnav a:hover,.subnav a:focus-visible{color:var(--blueprint)}
}

.foot{border-top:1px solid var(--line);padding:var(--s7) 0;color:var(--neutral);font-size:.88rem}
.foot a{color:var(--ink-2);text-decoration:none}
.foot a:hover{color:var(--blueprint)}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* ---------- WhatsApp flutuante ---------- */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;display:inline-flex;align-items:center;
  gap:10px;padding:12px 16px;background:var(--ok);color:var(--on-ok);text-decoration:none;
  font-size:.88rem;font-weight:500;box-shadow:0 6px 22px rgba(0,0,0,.22);
  transition:transform .15s,filter .15s}
.wa-float:hover{transform:translateY(-2px);filter:brightness(1.08)}
.wa-float:focus-visible{outline:2px solid var(--blueprint);outline-offset:3px}
@media(max-width:560px){.wa-float span{display:none}
  .wa-float{padding:14px;border-radius:50%}}