/* ==========================================================================
   Climatizei · Blog
   Mesma linguagem da home: palavra gigante ("Entendi."), pouco texto,
   capas tipográficas por assunto e o termômetro que acompanha a leitura.
   Depende dos tokens de style.css.
   ========================================================================== */

.blog { --g-pad: var(--margem); overflow-x: clip; }
body:has(.blog) .cabecalho .container { max-width: none; padding-inline: var(--margem); }

/* Palavra gigante: home.js/blog.js ajusta o tamanho para ocupar a largura exata */
.b-gigante {
  display: block;
  font-weight: 700;
  font-size: 22vw;
  line-height: 0.8;
  letter-spacing: -0.045em;
  white-space: nowrap;
  margin-left: -0.055em;
  color: var(--off);
}
.b-gigante em, .b-cta__nome em { font-style: normal; color: var(--limao); }
.h-letra { display: inline-block; overflow: clip; overflow-clip-margin: 0.08em; vertical-align: top; padding-bottom: 0.14em; margin-bottom: -0.14em; }
.h-letra > span { display: inline-block; }

/* Linha de metadados: assunto, tempo de leitura, data */
.b-meta { display: flex; flex-wrap: wrap; gap: 0.35rem 1.1rem; margin: 0; font-size: 0.875rem; font-weight: 500; }
.b-meta > span:first-child { color: var(--violeta); }
.tema-violeta .b-meta > span:first-child { color: var(--limao); }

/* ---------- Capas tipográficas ---------- */
.b-capa {
  --n: 4;
  container-type: inline-size;
  position: relative;
  display: flex; align-items: flex-end;
  aspect-ratio: 1;
  border-radius: 22%;
  overflow: hidden;
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 0.8;
  transition: transform var(--t-3) var(--ease-brisa), border-radius var(--t-3) var(--ease-brisa);
}
.b-capa > span {
  display: block;
  padding: 0 0 0.12em 0.1em;
  font-size: calc(100cqi / (var(--n) * 0.82));
  white-space: nowrap;
}
.b-capa--pmoc { background: var(--limao); color: var(--violeta); }
.b-capa--manutencao { background: var(--violeta); color: var(--limao); }
.b-capa--projeto { background: var(--tinta); color: var(--off); }
.b-capa--ar { background: var(--violeta-6); color: var(--violeta); }
.b-capa--energia { background: var(--off); color: var(--violeta); box-shadow: inset 0 0 0 2px var(--violeta); }
.tema-violeta .b-capa--manutencao { background: var(--tinta); }

/* ---------- Índice: abertura ---------- */
.b-hero {
  position: relative;
  min-height: 86vh; min-height: 86svh;
  margin-top: calc(var(--cabecalho-h) * -1);
  padding: calc(var(--cabecalho-h) + clamp(1.5rem, 4vw, 3rem)) var(--g-pad) clamp(1.25rem, 3vw, 2.5rem);
  display: flex; flex-direction: column;
}
.b-hero__titulo {
  flex: 1;
  display: flex; flex-direction: column; justify-content: space-between; gap: var(--s-8);
  margin: 0; font-size: inherit; line-height: inherit; letter-spacing: normal; color: var(--off);
}
.b-hero__kicker {
  display: block; max-width: 22ch;
  font-size: clamp(1.25rem, 0.8rem + 1.5vw, 2rem);
  font-weight: 500; line-height: 1.2; letter-spacing: -0.02em;
}
.b-hero__base {
  display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap;
  gap: var(--s-5) var(--s-7);
  margin-top: clamp(1.25rem, 2.6vw, 2.25rem);
  padding-top: clamp(1rem, 2vw, 1.5rem);
  border-top: 1.5px solid rgba(244, 247, 246, 0.28);
}
.b-hero__base p { max-width: 30rem; margin: 0; font-size: var(--fs-lead); line-height: 1.5; }
.b-filtros { display: flex; flex-wrap: wrap; gap: var(--s-2); }
.b-filtro {
  padding: 0.55rem 1.05rem;
  border: 0; border-radius: 999px;
  background: transparent; color: var(--off);
  box-shadow: inset 0 0 0 1.5px rgba(244, 247, 246, 0.6);
  font-weight: 500; font-size: 0.9375rem; cursor: pointer;
  transition: background-color var(--t-2) var(--ease-suave), color var(--t-2) var(--ease-suave), box-shadow var(--t-2) var(--ease-suave);
}
.b-filtro:hover { box-shadow: inset 0 0 0 1.5px var(--off); }
.b-filtro[aria-pressed="true"] { background: var(--limao); color: var(--tinta); box-shadow: none; }

/* ---------- Índice: lista ---------- */
.b-indice-lista { padding: clamp(3rem, 8vw, 7rem) var(--g-pad) clamp(4rem, 9vw, 8rem); }
.b-destaque-item {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(1.5rem, 4vw, 4rem); align-items: end;
  color: var(--tinta); text-decoration: none;
  padding-bottom: clamp(2.5rem, 5vw, 4.5rem);
}
.b-destaque-item .b-capa { width: 100%; }
.b-destaque-item h2 {
  margin: var(--s-4) 0 var(--s-5);
  font-size: clamp(2rem, 1rem + 3.4vw, 4.4rem);
  line-height: 1.02; letter-spacing: -0.04em; color: var(--violeta);
  text-wrap: balance;
}
.b-destaque-item__resumo { display: block; max-width: 38rem; font-size: var(--fs-lead); line-height: 1.5; }
.b-ler { display: inline-flex; align-items: center; gap: var(--s-2); margin-top: var(--s-6); font-weight: 500; color: var(--violeta); }
.b-ler svg { width: 1em; height: 1em; transition: transform var(--t-2) var(--ease-suave); }
.b-destaque-item:hover .b-capa { transform: rotate(-3deg) scale(1.01); }
.b-destaque-item:hover .b-ler svg { transform: translateX(4px); }

.b-lista { border-bottom: 1.5px solid var(--linha); }
.b-item {
  display: grid; grid-template-columns: clamp(4.5rem, 9vw, 8rem) minmax(0, 1fr) auto;
  gap: clamp(1rem, 3vw, 2.5rem); align-items: center;
  padding: clamp(1rem, 2vw, 1.5rem) 0;
  border-top: 1.5px solid var(--linha);
  color: var(--tinta); text-decoration: none;
}
.b-item h3 {
  margin: var(--s-2) 0 var(--s-2);
  font-size: clamp(1.3rem, 0.8rem + 1.6vw, 2.4rem);
  line-height: 1.08; letter-spacing: -0.03em; color: var(--violeta);
}
.b-item__resumo { display: block; max-width: 46rem; font-size: 0.9375rem; line-height: 1.5; opacity: 0.86; }
.b-item__seta { width: 2.75rem; height: 2.75rem; border-radius: 50%; display: grid; place-items: center; box-shadow: inset 0 0 0 1.5px var(--violeta); color: var(--violeta); transition: background-color var(--t-2) var(--ease-suave), color var(--t-2) var(--ease-suave); }
.b-item__seta svg { width: 1.1rem; height: 1.1rem; }
.b-item:hover .b-capa { transform: rotate(-6deg); border-radius: 50%; }
.b-item:hover .b-item__seta { background: var(--violeta); color: var(--off); }
.b-item:focus-visible, .b-destaque-item:focus-visible { outline-offset: 6px; }
.b-item[hidden], .b-destaque-item[hidden] { display: none; }
.b-vazio { padding: var(--s-7) 0; font-size: var(--fs-lead); }

/* ---------- Artigo: topo ---------- */
.b-art-topo {
  position: relative;
  margin-top: calc(var(--cabecalho-h) * -1);
  padding: calc(var(--cabecalho-h) + clamp(2rem, 5vw, 4.5rem)) var(--g-pad) clamp(2.5rem, 5vw, 4.5rem);
  display: grid; grid-template-columns: minmax(0, 1fr) clamp(14rem, 26vw, 26rem);
  grid-template-areas: "trilha capa" "titulo capa" "lead capa" "meta capa";
  column-gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.b-trilha { grid-area: trilha; display: flex; gap: 0.6rem; font-size: 0.9375rem; font-weight: 500; margin-bottom: var(--s-6); }
.b-trilha a { text-decoration: none; background: linear-gradient(currentColor, currentColor) no-repeat 0 100% / 0% 1.5px; transition: background-size var(--t-3) var(--ease-brisa); }
.b-trilha a:hover { background-size: 100% 1.5px; }
.b-trilha span[aria-hidden] { opacity: 0.5; }
.b-art-topo__titulo {
  grid-area: titulo;
  font-size: clamp(2.3rem, 1rem + 4.4vw, 5.6rem);
  line-height: 1.02; letter-spacing: -0.04em; color: var(--off);
  max-width: 18ch;
}
.b-art-topo__lead { grid-area: lead; margin-top: var(--s-6); max-width: 40ch; font-size: clamp(1.15rem, 0.9rem + 0.7vw, 1.5rem); line-height: 1.45; }
.b-art-topo .b-meta { grid-area: meta; margin-top: var(--s-7); padding-top: var(--s-5); border-top: 1.5px solid rgba(244, 247, 246, 0.28); }
.b-capa--topo { grid-area: capa; width: 100%; align-self: end; transform: rotate(4deg); }

/* ---------- Artigo: corpo ---------- */
.b-art-corpo {
  display: grid; grid-template-columns: 15rem minmax(0, 44rem);
  gap: clamp(2rem, 6vw, 7rem);
  padding: clamp(3rem, 7vw, 6rem) var(--g-pad) clamp(4rem, 8vw, 7rem);
  background: var(--off);
}
.b-indice { position: sticky; top: calc(var(--cabecalho-h) + 2rem); align-self: start; font-size: 0.9375rem; }
.b-indice > p { font-weight: 700; color: var(--violeta); margin-bottom: var(--s-4); }
.b-indice ol { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-1); border-left: 1.5px solid var(--linha); }
.b-indice a {
  display: block; padding: 0.35rem 0 0.35rem 1rem; margin-left: -1.5px;
  border-left: 1.5px solid transparent;
  text-decoration: none; line-height: 1.35; color: var(--tinta); opacity: 0.72;
  transition: opacity var(--t-2) var(--ease-suave), border-color var(--t-2) var(--ease-suave), color var(--t-2) var(--ease-suave);
}
.b-indice a:hover { opacity: 1; }
.b-indice a.is-ativo { opacity: 1; color: var(--violeta); border-left-color: var(--violeta); font-weight: 500; }

.b-texto { color: var(--tinta); font-size: 1.125rem; line-height: 1.7; }
.b-texto > * + * { margin-top: 1.15em; }
.b-texto h2 {
  margin-top: 2.6em;
  font-size: clamp(1.7rem, 1.1rem + 1.5vw, 2.5rem);
  line-height: 1.1; letter-spacing: -0.03em; color: var(--violeta);
  scroll-margin-top: calc(var(--cabecalho-h) + 1.5rem);
}
.b-texto h2:first-child, .b-texto > .b-destaque:first-child + h2 { margin-top: 1.6em; }
.b-texto h3 { margin-top: 1.8em; font-size: 1.3rem; line-height: 1.25; letter-spacing: -0.015em; color: var(--tinta); }
.b-texto h2 + p, .b-texto h3 + p, .b-texto h2 + ul, .b-texto h2 + ol { margin-top: 0.75em; }
.b-texto strong { font-weight: 700; }
.b-texto a.link { background-size: 100% 1.5px; }
.b-texto a.link:hover { background-size: 0% 1.5px; }
.b-texto ul, .b-texto ol { padding-left: 0; list-style: none; display: grid; gap: 0.55em; }
.b-texto ul li { position: relative; padding-left: 1.6em; }
.b-texto ul li::before {
  content: ""; position: absolute; left: 0.15em; top: 0.62em;
  width: 0.55em; height: 0.5em; border-radius: 50%; background: var(--violeta);
}
.b-texto ol { counter-reset: passo; }
.b-texto ol li { position: relative; padding-left: 2.2em; counter-increment: passo; }
.b-texto ol li::before {
  content: counter(passo); position: absolute; left: 0; top: 0.1em;
  width: 1.55em; height: 1.55em; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--violeta); color: var(--off);
  font-size: 0.85em; font-weight: 700; line-height: 1;
}
.b-destaque {
  padding: 1.25em 1.4em;
  border-radius: 1rem;
  background: var(--branco);
  box-shadow: inset 4px 0 0 var(--violeta);
}
.b-destaque p { margin: 0; }
.b-tabela { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 1rem; box-shadow: inset 0 0 0 1.5px var(--linha); }
.b-tabela table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; line-height: 1.45; min-width: 32rem; }
.b-tabela th { text-align: left; padding: 0.85rem 1rem; background: var(--violeta); color: var(--off); font-weight: 700; }
.b-tabela td { padding: 0.8rem 1rem; border-top: 1px solid var(--linha); vertical-align: top; background: var(--branco); }
.b-texto .faq { margin-top: 1em; }
.b-texto .faq__item summary { font-size: 1.125rem; }
.b-texto .faq__resposta p { font-size: 1.0625rem; }

/* ---------- Artigo: chamada e relacionados ---------- */
.b-cta { padding: clamp(4rem, 9vw, 8rem) var(--g-pad) clamp(2.5rem, 5vw, 4rem); }
.b-cta__nome { margin: 0; }
.b-cta__base {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  gap: var(--s-5);
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
  padding-top: clamp(1rem, 2vw, 1.5rem);
  border-top: 1.5px solid rgba(244, 247, 246, 0.28);
}
.b-cta__base h2 { font-size: clamp(1.5rem, 0.9rem + 1.9vw, 2.75rem); line-height: 1.1; letter-spacing: -0.03em; color: var(--off); max-width: 20ch; }
.b-relacionados { padding: clamp(3.5rem, 8vw, 7rem) var(--g-pad); background: var(--off); }
.b-relacionados > h2 { font-size: clamp(2rem, 1rem + 3.4vw, 4.4rem); letter-spacing: -0.04em; line-height: 1; margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }

/* ---------- Termômetro de leitura (mesmo da home) ---------- */
.h-termometro {
  position: fixed; z-index: 40;
  left: var(--g-pad, var(--margem)); bottom: clamp(0.9rem, 2vw, 1.5rem);
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.5rem 0.95rem 0.5rem 0.6rem;
  border-radius: 999px;
  background: var(--tinta); color: var(--off);
  font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 8px 24px rgba(42, 10, 77, 0.28);
  pointer-events: none;
  opacity: 0; transform: translateY(12px);
  transition: opacity var(--t-3) var(--ease-brisa), transform var(--t-3) var(--ease-brisa);
}
.h-termometro.is-visivel { opacity: 1; transform: none; }
.h-termometro .floco { display: block; width: 1.15rem; color: var(--limao); }
.h-termometro__num { display: inline-block; min-width: 1.25em; text-align: right; }
.h-termometro__num::after { content: "°"; }

/* ---------- Celular e tablet ---------- */
@media (max-width: 1000px) {
  .b-art-corpo { grid-template-columns: minmax(0, 1fr); }
  .b-indice { position: static; padding: 1.25rem 1.4rem; border-radius: 1rem; background: var(--branco); }
  .b-art-topo { grid-template-columns: minmax(0, 1fr); grid-template-areas: "trilha" "titulo" "lead" "meta"; }
  .b-capa--topo { display: none; }
}
@media (max-width: 767px) {
  .b-destaque-item { grid-template-columns: minmax(0, 1fr); }
  .b-destaque-item .b-capa { aspect-ratio: 16 / 10; border-radius: 1.75rem; }
  .b-item { grid-template-columns: 4rem minmax(0, 1fr); align-items: start; }
  .b-item__seta { display: none; }
  .b-texto { font-size: 1.0625rem; }
  .h-termometro { font-size: 0.875rem; padding: 0.4rem 0.75rem 0.4rem 0.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  .b-capa, .b-item__seta, .h-termometro { transition: none; }
}