/* ==========================================================================
   Nós de Gravata — folha de estilo única
   Paleta derivada de tinturaria de alfaiataria: tinta, vinho, oxford, popeline.
   ========================================================================== */

:root{
  --ink:#171C28;
  --ink-soft:#2A3142;
  --vinho:#6E1F2A;
  --vinho-claro:#8E3340;
  --oxford:#565E70;
  --popeline:#FCFCFA;
  --giz:#E4E1D9;
  --giz-fundo:#F4F2ED;

  --display:"Bodoni Moda",Georgia,serif;
  --corpo:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;

  --medida:68ch;
  --raio:2px;
}

*,*::before,*::after{box-sizing:border-box}

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

body{
  margin:0;
  background:var(--popeline);
  color:var(--ink);
  font-family:var(--corpo);
  font-size:1.0625rem;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;height:auto;display:block}

a{color:var(--vinho);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--vinho-claro)}

:focus-visible{outline:2px solid var(--vinho);outline-offset:3px}

.pular{position:absolute;left:-9999px}
.pular:focus{left:1rem;top:1rem;z-index:99;background:var(--ink);color:#fff;padding:.6rem 1rem}

/* --- Listra regimental: o elemento-assinatura ---------------------------- */
.listra{
  height:6px;
  background:repeating-linear-gradient(
    115deg,
    var(--vinho) 0 14px,
    var(--ink) 14px 20px,
    var(--giz-fundo) 20px 24px,
    var(--ink) 24px 30px
  );
}

.env{max-width:1140px;margin:0 auto;padding:0 1.5rem}

/* --- Cabeçalho ----------------------------------------------------------- */
.topo{border-bottom:1px solid var(--giz);background:var(--popeline)}
.topo .env{display:flex;align-items:center;gap:2rem;min-height:74px}

.marca{
  font-family:var(--display);
  font-size:1.32rem;
  letter-spacing:.02em;
  color:var(--ink);
  text-decoration:none;
  white-space:nowrap;
}
.marca em{font-style:italic;color:var(--vinho)}

.menu{display:flex;gap:1.6rem;margin-left:auto;flex-wrap:wrap}
.menu a{
  font-size:.75rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-weight:600;
  color:var(--ink-soft);
  text-decoration:none;
}
.menu a:hover,.menu a[aria-current="page"]{color:var(--vinho)}

/* --- Trilha -------------------------------------------------------------- */
.trilha{font-size:.78rem;color:var(--oxford);padding:1.4rem 0 0}
.trilha a{color:var(--oxford)}
.trilha span{margin:0 .45rem;opacity:.5}

/* --- Tipografia ---------------------------------------------------------- */
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.16;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(2.1rem,5.4vw,3.4rem);margin:.4em 0 .35em}
h2{font-size:clamp(1.5rem,3.2vw,2.05rem);margin:2.4em 0 .6em}
h3{font-size:1.18rem;margin:2em 0 .5em;font-family:var(--corpo);font-weight:600;letter-spacing:0}

.sobrancelha{
  font-size:.72rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  font-weight:600;
  color:var(--vinho);
  margin:0;
}

.linha-fina{font-size:1.18rem;color:var(--oxford);line-height:1.62;max-width:56ch}

/* --- Herói --------------------------------------------------------------- */
.heroi{padding:4rem 0 3.4rem;border-bottom:1px solid var(--giz)}
.heroi-grade{display:grid;grid-template-columns:1.05fr .95fr;gap:3.5rem;align-items:center}
@media (max-width:860px){.heroi-grade{grid-template-columns:1fr;gap:2.5rem}}

/* --- Combinador ---------------------------------------------------------- */
.combinador{
  border:1px solid var(--giz);
  border-radius:var(--raio);
  background:#fff;
  padding:1.6rem;
  box-shadow:0 1px 0 var(--giz);
}
.combinador h2{font-family:var(--corpo);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--oxford);margin:0 0 1.1rem;font-weight:600}

.campo{margin-bottom:1rem}
.campo label{display:block;font-size:.78rem;font-weight:600;margin-bottom:.4rem;color:var(--ink-soft)}
.campo select{
  width:100%;
  font-family:var(--corpo);
  font-size:.95rem;
  padding:.62rem .7rem;
  border:1px solid var(--giz);
  border-radius:var(--raio);
  background:var(--popeline);
  color:var(--ink);
}

.resultados{margin-top:1.4rem;border-top:1px solid var(--giz);padding-top:1.2rem}
.res{display:flex;gap:.9rem;align-items:flex-start;padding:.72rem 0;border-bottom:1px solid var(--giz-fundo)}
.res:last-child{border-bottom:0}

.amostra{
  width:34px;height:52px;flex:none;border-radius:1px;
  border:1px solid rgba(0,0,0,.14);
}

.res-txt{flex:1;min-width:0}
.res-nome{font-weight:600;font-size:.92rem;display:flex;justify-content:space-between;gap:.6rem;align-items:baseline}
.nota{font-family:var(--display);font-size:1.02rem;color:var(--vinho);flex:none}
.res-obs{font-size:.83rem;color:var(--oxford);line-height:1.5;margin-top:.15rem}

/* --- Blocos de seção ----------------------------------------------------- */
.secao{padding:3.4rem 0;border-bottom:1px solid var(--giz)}
.secao:last-of-type{border-bottom:0}

.blocos{display:grid;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));gap:2.2rem;margin-top:2rem}

.bloco h3{margin-top:0;font-family:var(--display);font-size:1.34rem;font-weight:600}
.bloco p{color:var(--oxford);font-size:.94rem;margin:.4rem 0 .9rem}
.bloco ul{list-style:none;padding:0;margin:0}
.bloco li{padding:.34rem 0;border-top:1px solid var(--giz-fundo);font-size:.93rem}
.bloco li a{text-decoration:none;color:var(--ink)}
.bloco li a:hover{color:var(--vinho);text-decoration:underline}

/* --- Corpo de artigo ----------------------------------------------------- */
.artigo{max-width:var(--medida);margin:0 auto;padding:0 1.5rem 4rem}
.artigo p,.artigo ul,.artigo ol{font-size:1.0625rem}
.artigo ul,.artigo ol{padding-left:1.2rem}
.artigo li{margin:.45rem 0}

.meta{font-size:.8rem;color:var(--oxford);border-bottom:1px solid var(--giz);padding-bottom:1.2rem;margin-bottom:2rem}

.destaque{
  border-left:3px solid var(--vinho);
  background:var(--giz-fundo);
  padding:1.1rem 1.3rem;
  margin:2rem 0;
  font-size:.98rem;
}
.destaque strong{display:block;margin-bottom:.3rem}

table{width:100%;border-collapse:collapse;margin:1.8rem 0;font-size:.92rem}
th,td{text-align:left;padding:.66rem .6rem;border-bottom:1px solid var(--giz)}
th{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--oxford);font-weight:600}

.faq dt{font-weight:600;margin-top:1.4rem}
.faq dd{margin:.35rem 0 0;color:var(--ink-soft)}

.veja{margin:3rem 0 0;padding-top:1.6rem;border-top:2px solid var(--ink)}
.veja h2{font-family:var(--corpo);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--oxford);margin:0 0 .8rem}
.veja ul{list-style:none;padding:0;margin:0}
.veja li{padding:.42rem 0;border-bottom:1px solid var(--giz-fundo)}

/* --- Rodapé -------------------------------------------------------------- */
.rodape{background:var(--ink);color:#B9BECB;padding:3rem 0 2.2rem;margin-top:0;font-size:.88rem}
.rodape a{color:#fff;text-decoration:none}
.rodape a:hover{text-decoration:underline}
.rodape-grade{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:2rem}
.rodape h3{color:#fff;font-family:var(--corpo);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;margin:0 0 .7rem}
.rodape ul{list-style:none;padding:0;margin:0}
.rodape li{padding:.22rem 0}
.rodape-base{margin-top:2.2rem;padding-top:1.2rem;border-top:1px solid rgba(255,255,255,.14);font-size:.8rem;color:#8B92A3}

/* ===================== Ampliações: ilustrações, imagens, mobile ========== */
.resposta{background:var(--giz-fundo);border-left:3px solid var(--vinho);padding:1rem 1.2rem;margin:0 0 1.6rem;font-size:1.02rem}

figure.abertura{margin:0 0 2rem;}
figure.abertura img{width:100%;height:auto;border:1px solid var(--giz);border-radius:var(--raio);aspect-ratio:3/2;object-fit:cover;background:var(--giz-fundo)}
figure.abertura figcaption{font-size:.82rem;color:var(--oxford);margin-top:.55rem;line-height:1.5}

figure.fig{margin:2.2rem 0;text-align:center}
figure.fig svg{width:100%;height:auto;border:1px solid var(--giz);border-radius:var(--raio)}
figure.fig figcaption{font-size:.83rem;color:var(--oxford);margin-top:.6rem;line-height:1.5;max-width:52ch;margin-left:auto;margin-right:auto}

.passos{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.1rem;margin:2.2rem 0}
.passos .etapa svg{width:100%;height:auto;border:1px solid var(--giz)}
.passos .etapa p{font-size:.83rem;color:var(--oxford);line-height:1.5;margin:.5rem 0 0}

.sumario{border:1px solid var(--giz);border-radius:var(--raio);padding:1.1rem 1.4rem;margin:2rem 0;background:var(--giz-fundo)}
.sumario h2{font-family:var(--corpo);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--oxford);margin:0 0 .6rem;font-weight:600}
.sumario ol{margin:0;padding-left:1.2rem;font-size:.93rem}
.sumario li{margin:.25rem 0}
.sumario a{color:var(--ink);text-decoration:none}
.sumario a:hover{color:var(--vinho);text-decoration:underline}

.artigo h2{scroll-margin-top:1.5rem}
.artigo h3{margin-top:1.7rem}
table{display:block;overflow-x:auto;white-space:nowrap}
@media (min-width:700px){table{display:table;white-space:normal}}

.hamburguer{display:none;margin-left:auto;background:none;border:0;padding:.5rem;cursor:pointer}
.hamburguer span{display:block;width:22px;height:2px;background:var(--ink);margin:4px 0}
@media (max-width:800px){
  .hamburguer{display:block}
  .menu{display:none;position:absolute;top:74px;left:0;right:0;background:var(--popeline);border-bottom:1px solid var(--giz);flex-direction:column;gap:0;padding:.5rem 1.5rem 1rem;z-index:20}
  .menu.aberto{display:flex}
  .menu a{padding:.65rem 0;border-bottom:1px solid var(--giz-fundo)}
  .topo .env{position:relative}
  .heroi{padding:2.5rem 0 2rem}
}