@font-face{font-family:"Inter";src:url("/blog/assets/inter.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
/* =========================================================
   Blog da Calculadora de BTU
   Mesmo layout do Marcolizando, em tema claro
   ========================================================= */
:root{
  color-scheme:light;
  --bg:#FFFFFF;
  --surface:#FFFFFF;
  --soft:#F5F7FA;
  --line:#E6E9EE;
  --line-2:#D3D9E1;
  --ink:#12161C;
  --text:#2B313A;
  --muted:#6F7782;
  --accent:#1C7CF2;
  --accent-soft:#EAF3FE;
  --amber:#B86A00;
  --sun:#F29A1C;
  --verde:#0A7A3D;
  --deep:#0A2F6B;
  --gold:#FFC53D;
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{background:var(--bg);margin:0}
html{scroll-behavior:smooth}
body{color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip;font-feature-settings:"cv11"}
img,svg{max-width:100%}
button,input,select,textarea{font-family:inherit}
a{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
::selection{background:rgba(28,124,242,.22)}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:#fff;padding:8px 14px;border-radius:999px;z-index:100;font-weight:700;text-decoration:none}
.skip:focus{left:12px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* cores por assunto */
.c-btus{--c:#1C7CF2;--c2:#0A2F6B}
.c-tamanho{--c:#1C9CF2;--c2:#0A4FB8}
.c-capacidade{--c:#3B5BDB;--c2:#1C2F8C}
.c-compra{--c:#0CA678;--c2:#087F5B}
.c-tipos{--c:#7048E8;--c2:#4C2BB0}
.c-inverter{--c:#1098AD;--c2:#0B6E7F}
.c-economia{--c:#F29A1C;--c2:#C26A00}
.c-instalacao{--c:#495057;--c2:#1F2328}
.c-manutencao{--c:#12B886;--c2:#0B7A5A}
.c-defeitos{--c:#F03E3E;--c2:#A61E1E}
.c-gas{--c:#15AABF;--c2:#0C7285}
.c-funcoes{--c:#4C6EF5;--c2:#2B3FB8}
.c-funciona{--c:#845EF7;--c2:#5A33D1}
.c-saude{--c:#E64980;--c2:#A61E4D}
.c-empresas{--c:#364FC7;--c2:#1E2E80}

/* ---------- topo ---------- */
.topo{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topo-in{max-width:1080px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.marca{display:flex;align-items:center;gap:10px;font-weight:800;font-size:15px;letter-spacing:-.01em;text-decoration:none;color:var(--ink)}
.marca svg{width:32px;height:32px;flex:0 0 auto}
.nav{display:flex;align-items:center;gap:4px}
.nav a{font-size:14px;font-weight:700;text-decoration:none;color:var(--ink);padding:8px 12px;border-radius:999px}
.nav a:hover{background:var(--soft)}
.nav a[aria-current="page"]{background:var(--accent-soft);color:var(--accent)}
.nav a.cta{background:var(--accent);color:#fff;display:inline-flex;align-items:center;gap:6px}
.nav a.cta:hover{background:var(--deep)}
.nav a.cta svg{width:16px;height:16px}
.curto{display:none}
@media (max-width:620px){
  .marca span{display:none}
  .nav a{padding:8px 10px;font-size:13px}
  .longo{display:none}.curto{display:inline}
}

/* ---------- capa ---------- */
.capa{background:radial-gradient(110% 90% at 50% 0%,#DCEBFD 0%,#EEF5FE 45%,var(--bg) 85%);padding:40px 16px 26px;text-align:center}
.capa-in{max-width:760px;margin:0 auto;display:grid;gap:14px;justify-items:center}
.kicker{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--amber)}
.kicker svg{width:15px;height:15px}
.capa h1{margin:0;font-size:clamp(26px,4.4vw,38px);font-weight:800;letter-spacing:-.02em;line-height:1.1;text-wrap:balance}
.capa p{margin:0;color:var(--muted);font-size:17px;text-wrap:balance}
.busca{position:relative;width:min(520px,100%)}
.busca svg{position:absolute;left:15px;top:50%;width:18px;height:18px;transform:translateY(-50%);color:var(--muted)}
.busca input{font:inherit;font-size:15px;width:100%;padding:13px 18px 13px 44px;border-radius:999px;border:1.5px solid var(--line-2);background:var(--surface);color:var(--ink);box-shadow:0 10px 30px rgba(28,124,242,.10)}
.busca input::placeholder{color:var(--muted)}
.busca input:focus{outline:none;border-color:var(--accent)}

/* ---------- seções ---------- */
.destaques,.todos{max-width:1080px;margin:0 auto;padding:22px 16px 8px}
.todos{padding-bottom:56px}
.sec-t{margin:0;font-size:22px;font-weight:800;letter-spacing:-.02em}

/* cards de destaque com gradiente */
.dest-grade{margin-top:14px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.dest{position:relative;overflow:hidden;display:grid;align-content:start;gap:8px;padding:22px 20px 20px;min-height:210px;border-radius:22px;text-decoration:none;color:#fff;background:radial-gradient(120% 90% at 100% 0%,rgba(255,255,255,.2) 0%,rgba(255,255,255,0) 55%),linear-gradient(150deg,var(--c) 0%,var(--c2) 100%);box-shadow:0 14px 30px -14px var(--c);transition:transform .15s,box-shadow .2s}
.dest:hover{transform:translateY(-3px);box-shadow:0 20px 38px -12px var(--c)}
.dest .marca-dagua{position:absolute;right:-18px;bottom:-18px;width:120px;height:120px;opacity:.16}
.dest .tag{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;opacity:.85}
.dest h3{margin:0;font-size:19px;font-weight:800;line-height:1.25;letter-spacing:-.005em}
.dest p{margin:0;font-size:14px;line-height:1.5;opacity:.88;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.dest .ler{margin-top:auto;font-size:13.5px;font-weight:800}

/* filtros de categoria */
.todos-cab{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-top:18px}
.cats-wrap{position:relative;display:flex;align-items:center;gap:8px;margin:14px 0 18px}
.cats{flex:1 1 0%;min-width:0;display:flex;gap:8px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding:2px;scroll-behavior:smooth;mask-image:linear-gradient(90deg,transparent 0,#000 28px,#000 calc(100% - 28px),transparent 100%);-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 28px,#000 calc(100% - 28px),transparent 100%)}
.cats-wrap.no-inicio .cats{mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent 100%);-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent 100%)}
.cats-wrap.no-fim .cats{mask-image:linear-gradient(90deg,transparent 0,#000 28px);-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 28px)}
.cats-wrap.no-inicio.no-fim .cats{mask-image:none;-webkit-mask-image:none}
.cats::-webkit-scrollbar{display:none}
.cat{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;font:inherit;font-size:14px;font-weight:700;padding:8px 14px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;text-decoration:none;white-space:nowrap}
.cat:hover{border-color:var(--line-2)}
.cat svg{width:15px;height:15px;color:var(--c,currentColor)}
.cat[aria-pressed="true"],.cat[aria-current="page"]{background:var(--c);border-color:var(--c);color:#fff}
.cat.todas[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.cat[aria-pressed="true"] svg,.cat[aria-current="page"] svg{color:#fff}
.seta{width:36px;height:36px;flex:0 0 auto;border-radius:50%;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);font:inherit;font-size:22px;line-height:1;font-weight:700;display:grid;place-items:center;cursor:pointer;padding:0 0 3px}
.seta:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}
.seta:disabled{opacity:.35;cursor:default}
@media (max-width:640px){
  .cats-wrap .seta{display:none}
  .cats-wrap{margin:14px -16px 18px}
  .cats{padding:2px 16px}
}

/* grade de artigos */
.grade{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.post-card{position:relative;display:flex;flex-direction:column;gap:10px;padding:20px 20px 16px;border:1.5px solid var(--line);border-radius:20px;background:var(--surface);text-decoration:none;color:var(--ink);overflow:hidden;transition:transform .15s,box-shadow .2s,border-color .2s}
.post-card::before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,var(--c),var(--c2))}
.post-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--c) 45%,var(--line));box-shadow:0 16px 32px -14px color-mix(in srgb,var(--c) 55%,transparent)}
.pc-top{display:flex;align-items:center;gap:10px}
.pc-ico{width:36px;height:36px;flex:0 0 auto;border-radius:11px;display:grid;place-items:center;color:var(--c);background:color-mix(in srgb,var(--c) 16%,transparent)}
.pc-ico svg{width:19px;height:19px}
.post-card .tag{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--c)}
.post-card h2,.post-card h3{margin:0;font-size:17.5px;font-weight:800;letter-spacing:-.005em;line-height:1.3}
.post-card p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pc-pe{margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);display:flex;justify-content:space-between;font-size:12.5px;font-weight:600;color:var(--muted)}
.pc-pe .ler{color:var(--c);font-weight:800}
.pc-pe .ler b{display:inline-block;transition:transform .15s}
.post-card:hover .ler b{transform:translateX(3px)}
.vazio{text-align:center;color:var(--muted);padding:24px 0}
.mais{display:block;margin:26px auto 0;font:inherit;font-size:15px;font-weight:800;padding:13px 26px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.mais:hover{border-color:var(--accent);color:var(--accent)}

/* capa de categoria */
.capa.cat-capa{background:radial-gradient(110% 90% at 50% 0%,color-mix(in srgb,var(--c) 16%,#fff) 0%,color-mix(in srgb,var(--c) 6%,#fff) 45%,var(--bg) 85%)}
.cat-ico{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;color:#fff;background:linear-gradient(150deg,var(--c),var(--c2));box-shadow:0 14px 30px -12px var(--c)}
.cat-ico svg{width:32px;height:32px}
.migalhas{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px}
.capa .migalhas{justify-content:center}
.migalhas a{color:var(--muted);text-decoration:none}
.migalhas a:hover{color:var(--accent)}

/* ---------- artigo ---------- */
.post-topo{background:radial-gradient(110% 90% at 50% 0%,#DCEBFD 0%,#EEF5FE 50%,var(--bg) 90%);padding:32px 16px 20px}
.post-topo-in{max-width:728px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr);gap:24px;align-items:center}
.pt-txt{display:grid;gap:12px}
.post-topo h1{margin:0;font-size:clamp(28px,5.2vw,40px);font-weight:800;letter-spacing:-.02em;line-height:1.12;text-wrap:balance}
.post-topo .resumo{margin:0;font-size:18px;color:var(--text)}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:13px;color:var(--muted);font-weight:600}
.pm-cat{display:inline-flex;align-items:center;gap:6px;color:var(--c);text-decoration:none;font-weight:800}
.pm-cat svg{width:15px;height:15px}
.ilustra{position:relative;margin:0;aspect-ratio:1/1;border-radius:26px;overflow:hidden;display:grid;place-items:center;color:#fff;background:radial-gradient(90% 80% at 80% 10%,rgba(255,255,255,.22) 0%,rgba(255,255,255,0) 60%),linear-gradient(150deg,var(--c) 0%,var(--c2) 100%);box-shadow:0 20px 40px -18px var(--c)}
.ilustra::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1.5px);background-size:14px 14px;mask-image:linear-gradient(160deg,#000,transparent 70%);-webkit-mask-image:linear-gradient(160deg,#000,transparent 70%)}
.ilu-ico{position:relative;width:96px;height:96px;border-radius:28px;display:grid;place-items:center;background:rgba(255,255,255,.16);border:1.5px solid rgba(255,255,255,.35);backdrop-filter:blur(4px)}
.ilu-ico svg{width:52px;height:52px}
.ilu-selo{position:absolute;left:14px;bottom:14px;font-size:12px;font-weight:800;padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.95);color:var(--c2)}

.conteudo{max-width:760px;margin:0 auto;padding:12px 16px 24px;font-size:17px;color:var(--text)}
.conteudo h2{margin:30px 0 8px;font-size:19px;font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--ink);scroll-margin-top:80px}
.conteudo h3{margin:22px 0 6px;font-size:17px;font-weight:800;color:var(--ink)}
.conteudo p{margin:0 0 16px}
.conteudo strong{color:var(--ink)}
.conteudo a{font-weight:600;text-decoration-thickness:1.5px;text-underline-offset:3px}
.conteudo a.link-int{color:inherit;font-weight:inherit;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;text-decoration-color:rgba(43,49,58,.3)}
.conteudo a.link-int:hover{color:var(--ink);text-decoration-color:var(--ink)}
.ver-mais{display:inline-flex;align-items:center;gap:4px;margin:-4px 0 14px;font-size:13.5px;font-weight:800;text-decoration:none !important;padding:6px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent)}
.ver-mais:hover{background:rgba(59,142,245,.24)}

.abertura{margin:8px 0 8px}
.abertura p{margin:0 0 16px}
.rel-lista{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px;border-top:1px solid var(--line)}
.rel-item{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:14px 2px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--text);font-size:15.5px;font-weight:600;line-height:1.4}
.rel-item small{flex:0 0 auto;font-size:12px;font-weight:600;color:var(--muted)}
.rel-item:hover{color:var(--ink)}
.rel-item:hover span{text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line-2)}
@media (max-width:640px){.rel-lista{grid-template-columns:minmax(0,1fr)}}
.resposta{margin:8px 0 24px;padding:16px 18px;border-radius:16px;border-left:4px solid var(--accent);background:var(--accent-soft)}
.resposta .rotulo{display:block;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:4px}
.resposta p{margin:0;font-size:16.5px;color:var(--ink);font-weight:500}

.indice{margin:0 0 28px;padding:14px 18px;border-radius:16px;background:var(--surface);border:1.5px solid var(--line)}
.indice summary{cursor:pointer;font-weight:800;font-size:14px;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:10px}
.indice summary::-webkit-details-marker{display:none}
.indice summary::after{content:"+";color:var(--accent);font-weight:800;font-size:18px;line-height:1}
.indice[open] summary::after{content:"−"}
.indice ol{margin:10px 0 0;padding-left:20px;font-size:15px}
.indice li{margin:4px 0}
.indice a{color:var(--text);text-decoration:none;font-weight:600}
.indice a:hover{color:var(--accent)}

.faq{display:grid;gap:8px;margin:12px 0 20px}
.faq details{border:1.5px solid var(--line);border-radius:14px;padding:12px 14px;background:var(--surface)}
.faq summary{cursor:pointer;font-weight:700;font-size:15.5px;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-weight:800;font-size:18px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:8px 0 0;font-size:15.5px}

.cta-canal{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px;margin:32px 0;padding:18px 20px;border-radius:18px;border:2px solid rgba(28,124,242,.25);background:var(--surface);box-shadow:0 8px 22px rgba(18,22,28,.06)}
.cta-canal p{margin:0;font-size:16px;font-weight:700;color:var(--ink)}
.cta-canal p span{display:block;font-size:14px;font-weight:500;color:var(--muted)}
.cta-canal .acoes{display:flex;flex-wrap:wrap;gap:8px}
.bt{display:inline-flex;align-items:center;gap:6px;text-decoration:none !important;font-weight:800;font-size:14px;padding:11px 18px;border-radius:999px;background:var(--accent);color:#fff !important;border:0;cursor:pointer;font-family:inherit}
.bt:hover{background:#1C6FDB}
.bt svg{width:16px;height:16px}
.bt.yt{background:#FF2E4D}
.bt.yt:hover{background:#E0203E}
.bt.gold{background:var(--gold);color:#3B2A00 !important}
.bt.gold:hover{filter:brightness(1.05)}
.bt.ghost{background:var(--soft);color:var(--ink) !important;border:1.5px solid var(--line-2)}
.bt.ghost:hover{border-color:var(--accent)}
.bt.zap{background:#25D366;color:#073B1E !important}

.compartilhar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:24px 0 0;padding-top:18px;border-top:1px dashed var(--line)}
.compartilhar small{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-right:4px}
.compartilhar .bt{font-size:13px;padding:8px 13px}

.navegacao{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:18px 0 0}
.navegacao a{display:block;padding:4px 0;text-decoration:none;color:var(--muted)}
.navegacao small{display:block;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#6B7380;margin-bottom:2px}
.navegacao strong{font-size:14px;font-weight:500;line-height:1.4;color:var(--muted)}
.navegacao a:hover strong{color:var(--ink)}
.navegacao .prox{text-align:right}

.relacionados{max-width:760px;margin:0 auto;padding:12px 16px 56px}
.relacionados h2{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 6px}

.fontes{margin:8px 0 20px;padding:14px 16px;border-radius:14px;background:var(--surface);border:1.5px solid var(--line)}
.fontes small{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.fontes ul{margin:6px 0 0;padding-left:18px;font-size:14.5px}
.fontes li{margin:3px 0}

/* páginas simples */
.pagina{max-width:760px;margin:0 auto;padding:12px 16px 48px;font-size:17px;color:var(--text)}
.pagina h2{margin:32px 0 10px;font-size:24px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.pagina p{margin:0 0 16px}
.pagina ul{padding-left:22px}
.pagina li{margin:6px 0}

/* grade de categorias */
.cats-grade{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:14px}

/* 404 */
.e404 .num{font-size:clamp(80px,16vw,140px);font-weight:800;letter-spacing:-.05em;line-height:1;background:linear-gradient(150deg,#3B8EF5,#FFC53D);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- rodapé ---------- */
.rodape{border-top:1px solid var(--line);padding:30px 16px 36px;text-align:center;font-size:13px;color:var(--muted)}
.rodape .links{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px;margin:12px 0}
.rodape a{color:var(--muted);font-weight:700;text-decoration:none}
.rodape a:hover{color:var(--ink)}
.rodape p{margin:4px 0}
.rodape .marca{justify-content:center;color:var(--ink)}

.topo-btn{position:fixed;right:16px;bottom:16px;width:44px;height:44px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;border:0;cursor:pointer;opacity:0;transform:translateY(10px);transition:.25s;z-index:30;box-shadow:0 10px 26px -8px rgba(59,142,245,.8)}
.topo-btn.show{opacity:1;transform:none}
.topo-btn svg{width:20px;height:20px}

/* lista horizontal de artigos */
.lista{display:grid;gap:10px}
.linha{position:relative;display:flex;align-items:center;gap:16px;padding:15px 18px;border:1.5px solid var(--line);border-radius:18px;background:#fff;text-decoration:none;color:var(--ink);overflow:hidden;transition:transform .15s,border-color .2s,box-shadow .2s}
.linha:hover{transform:translateX(3px);border-color:var(--line-2);background:var(--soft)}
.ln-ico{width:46px;height:46px;flex:0 0 auto;border-radius:14px;display:grid;place-items:center;color:var(--c);background:color-mix(in srgb,var(--c) 16%,transparent)}
.ln-ico svg{width:23px;height:23px}
.ln-txt{flex:1 1 auto;min-width:0;display:grid;gap:2px}
.linha .tag{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--c)}
.linha h2,.linha h3{margin:0;font-size:17px;font-weight:800;letter-spacing:-.005em;line-height:1.3}
.ln-desc{font-size:14.5px;color:var(--muted);line-height:1.45;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.ln-pe{flex:0 0 auto;display:flex;align-items:center;gap:12px;font-size:12.5px;font-weight:700;color:var(--muted);white-space:nowrap}
.ln-pe b{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:16px;color:var(--muted);background:var(--soft);transition:transform .15s,color .15s}
.linha:hover .ln-pe b{color:var(--ink);background:#E6EDF7}
.linha:hover .ln-pe b{transform:translateX(3px)}
@media (max-width:640px){
  .linha{align-items:flex-start;gap:12px;padding:13px 14px}
  .ln-ico{width:38px;height:38px;border-radius:12px}
  .ln-ico svg{width:19px;height:19px}
  .linha h2,.linha h3{font-size:15.5px}
  .ln-desc{-webkit-line-clamp:2;font-size:13.5px}
  .ln-pe b{display:none}
  .ln-pe{position:absolute;right:14px;top:13px;font-size:11.5px}
  .ln-desc{padding-right:0}
  .linha h2,.linha h3{padding-right:52px}
}

/* ---------- anúncios (Mercado Livre) ---------- */
.of-rot{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--amber)}
.of-rot svg{width:13px;height:13px}
.of-card{flex:0 0 auto;display:flex;flex-direction:column;gap:4px;width:200px;padding:10px 10px 12px;border-radius:18px;border:1.5px solid var(--line);background:var(--surface);text-decoration:none !important;color:var(--ink);scroll-snap-align:start;transition:transform .15s,border-color .2s}
.of-card:hover{transform:translateY(-3px);border-color:#F5CF00}
.of-foto{display:grid;place-items:center;aspect-ratio:1/1;border-radius:12px;background:#fff;overflow:hidden;margin-bottom:6px}
.of-foto img{width:86%;height:86%;object-fit:contain}
.of-foto.sem img{display:none}
.of-foto.sem::after{content:"🛒";font-size:40px}
.of-tam{font-size:10.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.of-nome{font-size:14px;font-weight:800;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.6em}
.of-desc{font-size:12.5px;color:var(--muted);line-height:1.35;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.of-preco{font-size:17px;font-weight:800;color:var(--ink);margin-top:2px}
.of-btn{margin-top:auto;display:block;text-align:center;font-size:12.5px;font-weight:800;padding:8px 10px;border-radius:999px}
.loja-ml{background:#FFE600;color:#2D3277}
.of-card:hover .loja-ml{filter:brightness(1.05)}
.of-aviso{margin:10px 0 0;font-size:12px;color:var(--muted)}

.faixa-wrap{max-width:1080px;margin:0 auto;padding:22px 16px 0}
.ofertas-faixa{margin:8px 0 20px;padding:18px 18px 14px;border-radius:22px;border:1.5px solid var(--line);background:linear-gradient(180deg,#F7F9FC,#fff)}
.of-cab{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:12px}
.of-cab h2{margin:2px 0 0;font-size:20px;font-weight:800;letter-spacing:-.01em;line-height:1.2}
.of-cab p{margin:2px 0 0;font-size:13.5px;color:var(--muted)}
.of-setas{display:flex;gap:6px}
.of-trilho{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none;padding:2px 2px 4px}
.of-trilho::-webkit-scrollbar{display:none}
.lista + .ofertas-faixa{margin-top:18px}
.ofertas-faixa + .lista{margin-top:0}
@media (max-width:640px){
  .of-setas{display:none}
  .ofertas-faixa{margin-left:-16px;margin-right:-16px;border-radius:0;border-left:0;border-right:0;padding:16px}
  .of-card{width:168px}
}

/* ofertas compactas no topo da página inicial */
.capa-home{min-height:calc(100svh - 58px);display:flex;padding:16px 16px 18px}
.capa-home .capa-in{width:100%;max-width:1048px;display:flex;flex-direction:column;align-items:center;gap:12px}
.capa-home .kicker{margin-top:auto;padding-top:18px}
.capa-home h1{font-size:clamp(26px,3.6vw,36px)}
.capa-home p{font-size:16px}
.hero-artigos{width:100%;margin:10px 0 auto;display:grid;gap:12px;justify-items:center}
.lista-hero{width:100%;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;text-align:left}
.lista-hero .linha{padding:10px 14px;border-radius:14px;background:#fff;border-color:var(--line)}
.lista-hero .linha:hover{background:var(--soft);border-color:var(--line-2)}
.lista-hero .linha h3{font-size:14.5px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.lista-hero .ln-desc{font-size:13px}
.lista-hero .ln-pe{font-size:11.5px;gap:8px}
.lista-hero .ln-pe b{width:26px;height:26px;font-size:13px}
.hero-rodape{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 16px;font-size:12px;color:var(--muted)}
.hero-rodape a{color:var(--muted);text-decoration:none;font-weight:700}
.hero-rodape a:hover{color:var(--ink)}
@media (max-height:940px) and (min-width:821px){
  .capa-home{padding-top:12px;padding-bottom:12px}
  .capa-home .capa-in{gap:9px}
  .capa-home .kicker{padding-top:6px}
  .capa-home h1{font-size:30px}
  .capa-home .capa-in > p{display:none}
  .capa-home .kicker{display:none}
  .om-card .of-foto{width:116px;height:116px}
  .om-card{padding-top:10px;padding-bottom:10px}
  .ofertas-mini{padding:10px 0 12px;gap:8px}
  .capa-home h1{margin-top:auto}
  .capa-home .busca input{padding-top:11px;padding-bottom:11px}
  .lista-hero{gap:6px}
  .lista-hero .linha{padding-top:7px;padding-bottom:7px}
  .hero-artigos{margin-top:4px;gap:6px}
  .hero-mais{padding:2px 12px}
}
.hero-mais{font-size:14px;font-weight:800;text-decoration:none;color:var(--accent);padding:6px 12px;border-radius:999px}
.hero-mais:hover{background:var(--accent-soft)}
@media (max-width:820px){.lista-hero{grid-template-columns:minmax(0,1fr)}}
@media (max-width:1300px){.om-linha{width:calc(2 * 380px + 14px)}}
@media (max-width:900px){.om-linha{width:100%}.ofertas-mini .om-linha .of-trilho{padding:2px 16px;scroll-padding:0 16px}.ofertas-mini .seta{display:none}}
@media (max-height:800px) and (min-width:821px){
  .om-card .of-foto{width:100px;height:100px}
  .om-desc{-webkit-line-clamp:1}
  .capa-home h1{font-size:27px}
  .lista-hero .linha{padding-top:6px;padding-bottom:6px}
}
.ofertas-mini{position:relative;width:100vw;margin:-16px calc(50% - 50vw) 0;padding:14px 0 16px;min-width:0;display:grid;grid-template-columns:minmax(0,1fr);gap:10px;text-align:left;background:linear-gradient(180deg,rgba(255,255,255,.75),rgba(255,255,255,.35));border-bottom:1px solid var(--line)}
.ofertas-mini > .of-rot{justify-self:center}
.om-linha{position:relative;width:calc(3 * 380px + 2 * 14px);max-width:100%;margin:0 auto;min-width:0}
.ofertas-mini .of-trilho{gap:14px;padding:2px 0;scroll-padding:0}
.ofertas-mini .seta{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:40px;height:40px;font-size:22px;background:#fff;box-shadow:0 6px 18px rgba(18,22,28,.14)}
.ofertas-mini .seta[data-d="-1"]{left:-54px}
.ofertas-mini .seta[data-d="1"]{right:-54px}
.om-card{flex:0 0 auto;display:flex;align-items:center;gap:16px;width:380px;padding:12px 16px 12px 12px;border-radius:18px;border:1.5px solid var(--line);background:#fff;text-decoration:none;color:var(--ink);scroll-snap-align:start;transition:border-color .2s,transform .15s}
.om-card:hover{border-color:#F5CF00;transform:translateY(-2px)}
.om-card .of-foto{width:136px;height:136px;flex:0 0 auto;margin:0;border-radius:14px;aspect-ratio:auto}
.om-card .of-foto img{width:90%;height:90%}
.om-card .of-foto.sem::after{font-size:38px}
.om-txt{min-width:0;flex:1 1 auto;display:grid;gap:4px}
.om-tipo{font-size:10.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.om-nome{font-size:16px;font-weight:800;line-height:1.28;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.om-desc{font-size:13px;color:var(--muted);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.om-pe{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:4px}
.om-preco{font-size:19px;font-weight:800;color:var(--verde);white-space:nowrap}
.om-btn{font-size:12px;font-weight:800;padding:6px 12px;border-radius:999px;background:#FFE600;color:#2D3277;white-space:nowrap}
@media (max-width:640px){
  .ofertas-mini .seta{display:none}
  .om-card{width:300px;gap:12px;padding:10px}
  .om-card .of-foto{width:104px;height:104px}
  .om-nome{font-size:14.5px}
  .om-desc{-webkit-line-clamp:1}
  .om-preco{font-size:17px}
  .om-pe{flex-wrap:wrap;gap:6px}
  .om-btn{font-size:11.5px;padding:5px 11px}
  .capa-home{min-height:0;padding-top:14px}
  .capa-home .kicker{padding-top:14px}
  .lista-hero .linha h3{-webkit-line-clamp:2;padding-right:44px}
  .lista-hero .ln-pe{top:10px}
}
a.mais{width:max-content;text-decoration:none;text-align:center}

/* carrossel pequeno dentro dos artigos */
.ofertas-art{margin:4px 0 26px;display:grid;grid-template-columns:minmax(0,1fr);gap:8px;justify-items:center}
.ofertas-art > .oa-linha{min-width:0}
.oa-linha{position:relative;width:calc(3 * 226px + 2 * 10px);max-width:100%}
.ofertas-art .of-trilho{gap:10px;padding:2px 0}
.ofertas-art .seta{position:absolute;top:50%;transform:translateY(-50%);width:32px;height:32px;font-size:18px;z-index:2}
.ofertas-art .seta[data-d="-1"]{left:-42px}
.ofertas-art .seta[data-d="1"]{right:-42px}
.oa-card{flex:0 0 auto;display:flex;align-items:center;gap:10px;width:226px;padding:8px 10px 8px 8px;border-radius:14px;border:1.5px solid var(--line);background:#fff;text-decoration:none !important;color:var(--ink);scroll-snap-align:start;transition:border-color .2s}
.oa-card:hover{border-color:#F5CF00}
.oa-card .of-foto{width:60px;height:60px;flex:0 0 auto;margin:0;border-radius:10px;aspect-ratio:auto}
.oa-card .of-foto.sem::after{font-size:22px}
.oa-txt{min-width:0;display:grid;gap:2px}
.oa-nome{font-size:12.5px;font-weight:700;line-height:1.3;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.oa-preco{font-size:13.5px;font-weight:800;color:var(--verde)}
@media (max-width:860px){
  .oa-linha{width:100%;padding:0 38px}
  .ofertas-art .seta[data-d="-1"]{left:0}
  .ofertas-art .seta[data-d="1"]{right:0}
}
@media (max-width:560px){.oa-card{width:100%}}

/* anúncios dentro do artigo */
.produtos-post{margin:30px 0;padding:16px;border-radius:20px;border:1.5px solid var(--line);background:linear-gradient(180deg,#F7F9FC,#fff)}
.pp-cab{display:flex;flex-direction:column;gap:2px;margin-bottom:12px}
.pp-cab strong{font-size:18px;color:var(--ink);letter-spacing:-.01em}
.pp-grade{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.pp-grade .of-card{width:auto}
.produtos-post .of-aviso{font-size:12px}
@media (max-width:560px){
  .pp-grade{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;margin:0 -16px;padding:2px 16px 4px}
  .pp-grade::-webkit-scrollbar{display:none}
  .pp-grade .of-card{width:164px}
}

/* anúncios flutuantes nas laterais (telas largas) */
.lateral{position:fixed;top:84px;z-index:15;display:grid;gap:10px;transition:opacity .35s,transform .2s}
.lateral .lat-rot{text-align:center}
.lateral .of-card{width:100%;padding:8px 8px 10px;border-radius:16px}
.lateral .of-desc{display:none}
.lateral .of-nome{font-size:13px}
.lateral .of-preco{font-size:15.5px}
.lateral .of-btn{font-size:11.5px;padding:7px 8px}
.lateral.troca .of-card{opacity:0;transition:opacity .3s}
.lateral .of-card{transition:opacity .3s,transform .15s,border-color .2s}
@media (max-height:700px){.lateral .of-card:nth-of-type(2){display:none}}

/* ---------- responsivo ---------- */
@media (max-width:980px){
  .dest-grade{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grade,.cats-grade{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .post-topo-in{grid-template-columns:minmax(0,1fr);gap:18px}
  .ilustra{aspect-ratio:auto;height:130px;border-radius:20px;order:-1}
  .ilu-ico{width:70px;height:70px;border-radius:22px}
  .ilu-ico svg{width:38px;height:38px}
  .conteudo{font-size:16.5px}
}
@media (max-width:560px){
  .dest-grade,.grade,.cats-grade{grid-template-columns:minmax(0,1fr)}
  .navegacao{grid-template-columns:1fr}
  .navegacao .prox{text-align:left}
}
@media (prefers-reduced-motion:reduce){*{transition:none !important;animation:none !important;scroll-behavior:auto !important}}

/* ---------- componentes da Calculadora de BTU ---------- */
.conteudo ul,.conteudo ol{margin:0 0 16px;padding-left:22px}
.conteudo li{margin:4px 0}
.conteudo strong{color:var(--ink)}
.conteudo .tabela-wrap{overflow-x:auto;border:1.5px solid var(--line);border-radius:16px;margin:8px 0 20px}
.conteudo table{width:100%;border-collapse:collapse;font-size:15px}
.conteudo th,.conteudo td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.conteudo th{font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:var(--soft);white-space:normal}
.conteudo tr:last-child td{border-bottom:0}
.conteudo td:first-child{font-weight:800;color:var(--ink)}
.dica{display:grid;grid-template-columns:auto 1fr;gap:12px;padding:16px 18px;border-radius:16px;background:var(--accent-soft);margin:20px 0;font-size:16px}
.dica .ico{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:var(--accent);color:#fff;font-weight:800}
.dica p{margin:0}
.dica.alerta{background:#FFF7E0}
.dica.alerta .ico{background:var(--gold);color:#3B2A00}
/* ===== calculadora dentro do post ===== */
.calc-mini{margin:28px 0;border-radius:22px;padding:22px;background:radial-gradient(90% 70% at 50% 0%,#2F86F5 0%,rgba(47,134,245,0) 70%),linear-gradient(180deg,#1453B8 0%,var(--deep) 100%);color:#fff}
.calc-mini h3{margin:0 0 4px;font-size:20px;font-weight:800;color:#fff;letter-spacing:-.01em}
.calc-mini .sub{margin:0 0 16px;font-size:14px;color:rgba(255,255,255,.8)}
.cm-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
@media (max-width:620px){.cm-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.cm-campo{display:grid;gap:4px}
.cm-campo label{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--gold)}
.cm-campo input,.cm-campo select{font:inherit;font-size:16px;font-weight:700;width:100%;padding:10px 12px;border-radius:12px;border:0;background:#fff;color:var(--ink)}
.cm-sol{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.cm-sol button{font:inherit;font-size:13.5px;font-weight:700;padding:8px 13px;border-radius:999px;border:1px solid rgba(255,255,255,.3);background:rgba(3,20,52,.3);color:#fff;cursor:pointer}
.cm-sol button[aria-pressed="true"]{background:var(--sun);border-color:var(--sun)}
.cm-res{margin-top:16px;background:#fff;color:var(--ink);border-radius:16px;padding:14px 16px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px}
.cm-res .num{font-size:30px;font-weight:800;letter-spacing:-.03em;line-height:1}
.cm-res .num small{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:0;margin-left:4px}
.cm-res .rec{font-size:14px;font-weight:700;color:var(--accent);background:var(--accent-soft);padding:8px 12px;border-radius:999px}
.cm-res .cm-conta{flex-basis:100%;font-size:13.5px;color:var(--muted)}
.cm-res .cm-conta b{color:var(--ink)}
.cm-acoes{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.cm-acoes a{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:800;text-decoration:none;padding:10px 16px;border-radius:999px}
.cm-acoes .a1{background:var(--gold);color:#3B2A00}
.cm-acoes .a2{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.3)}

.conta{display:grid;gap:4px;margin:4px 0 18px;padding:12px 16px;border-radius:14px;background:var(--soft);border:1.5px solid var(--line)}
.conta span{font-size:16px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
.loja-amz{background:#131921;color:#FF9900}
.om-btn.amz{background:#131921;color:#FF9900}
.of-card:hover .loja-amz{filter:brightness(1.15)}
.cta-calc .bt svg{width:16px;height:16px}
.conteudo ul,.conteudo ol{margin:0 0 16px;padding-left:22px}
.calc-mini + .produtos-post{margin-top:-8px}
.produtos-post .pp-cab a{font-size:13px;font-weight:800;text-decoration:none}
.faq details .ver-mais{margin:10px 0 0}
.lista-hero .linha .tag{display:none}

/* topo do blog: marca à esquerda, botões no centro, Blog à direita */
.topo-in.topo-3{display:grid;grid-template-columns:1fr auto 1fr;align-items:center}
.nav-centro{gap:8px}
.nav-dir{justify-self:end}
.nav a.cta.luz{background:var(--gold);color:#3B2A00}
.nav a.cta.luz:hover{background:#FFB703}
@media (max-width:620px){
  .topo-in.topo-3{gap:6px;padding:10px 12px}
  .nav-centro{gap:6px}
  .nav-centro a{padding:8px 9px;font-size:12.5px}
  .nav-centro a svg{display:none}
  .nav-dir a{padding:8px 8px;font-size:12.5px}
}
@media (max-width:370px){.nav-centro a{padding:7px 7px;font-size:12px}}