/* ===== Blog | Wallace Weschenfelder — mesmo sistema visual do site principal ===== */
:root{
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --orange:#F25C05;
  --orange-deep:#C2410C;
  --orange-ink:#7C2D12;
  --orange-soft:#FFF1E8;
  --orange-line:#FBD5BD;
  --white:#FFFFFF;
  --paper:#F7F7F7;
  --ink:#1C1917;
  --ink-soft:#57534E;
  --line:#EDE7E2;
  --wrap:1180px;
  --gutter:clamp(16px,4vw,40px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px;border-radius:4px}
.site-header :focus-visible,.cta-box :focus-visible{outline-color:#fff}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;z-index:100}
.skip:focus{left:8px}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:999px;font:700 16px/1 var(--font);text-decoration:none;border:0;cursor:pointer;transition:background-color .15s ease}
.btn-primary{background:var(--orange-deep);color:#fff}
.btn-primary:hover{background:#9A3412}
.btn-light{background:#fff;color:var(--orange-ink)}
.btn-light:hover{background:var(--orange-soft)}

/* Header (igual ao site) */
.site-header{position:sticky;top:0;z-index:50;background:rgba(0,0,0,.94);backdrop-filter:saturate(1.4) blur(8px);color:#fff}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none;font-weight:800;font-size:19px;letter-spacing:-0.02em;white-space:nowrap}
.brand small{font-weight:500;font-size:14px;opacity:.85;letter-spacing:0}
.nav{display:flex;gap:28px;align-items:center}
.nav a{text-decoration:none;font-weight:600;font-size:15px;opacity:.92}
.nav a:hover{opacity:1;text-decoration:underline;text-underline-offset:5px}
.nav a[aria-current="page"]{opacity:1;text-decoration:underline;text-decoration-color:var(--orange);text-decoration-thickness:2px;text-underline-offset:6px}
.nav .btn{min-height:44px;padding:0 20px;font-size:15px}
@media (max-width:900px){.nav a:not(.btn):not(.keep){display:none}.brand small{display:none}.nav{gap:16px}}

/* Breadcrumb */
.crumbs{font-size:14px;color:var(--ink-soft);padding-top:28px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.crumbs li+li::before{content:"/";margin-right:6px;color:#A8A29E}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline}

/* ===== Página /blog ===== */
.blog-hero{background:var(--paper);padding:clamp(40px,6vw,72px) 0 clamp(36px,5vw,56px);border-bottom:1px solid var(--line)}
.blog-hero h1{margin:14px 0 0;font-size:clamp(36px,5vw,60px);font-weight:800;letter-spacing:-0.035em;line-height:1.04;max-width:16ch}
.blog-hero p{margin:18px 0 0;font-size:clamp(17px,1.6vw,20px);color:var(--ink-soft);max-width:58ch}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.filters button{font:600 14px/1 var(--font);padding:10px 16px;border-radius:999px;border:1.5px solid #D6CFC9;background:#fff;color:var(--ink);cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.posts{padding:clamp(40px,6vw,72px) 0}
.post-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px 24px}
.post-card{display:flex;flex-direction:column;gap:12px;text-decoration:none;height:100%;padding:26px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:border-color .15s ease}
.post-card:hover{border-color:var(--orange)}
.post-card:hover h2{text-decoration:underline;text-decoration-color:var(--orange);text-underline-offset:4px}
.post-card .cat{font-size:13px;font-weight:700;color:var(--orange-deep)}
.post-card h2{margin:0;font-size:22px;font-weight:700;letter-spacing:-0.02em;line-height:1.25}
.post-card p{margin:0;color:var(--ink-soft);font-size:16px}
.post-card .meta{margin-top:auto;padding-top:8px;font-size:14px;color:var(--ink-soft)}
.post-list li.featured{grid-column:1/-1}
.post-list li.featured .post-card{display:grid;grid-template-columns:1.2fr 1fr;gap:12px 48px;padding:36px;background:var(--orange-soft);border-color:var(--orange-line)}
.post-list li.featured .post-card h2{font-size:clamp(26px,3vw,36px);grid-column:1}
.post-list li.featured .post-card .cat{grid-column:1}
.post-list li.featured .post-card p{grid-column:2;grid-row:1/4;align-self:center;font-size:17px}
.post-list li.featured .post-card .meta{grid-column:1}
@media (max-width:900px){
  .post-list{grid-template-columns:1fr}
  .post-list li.featured .post-card{display:flex;padding:26px}
}

/* ===== Artigo ===== */
.article-head{padding:8px 0 clamp(28px,4vw,40px)}
.article-head .cat{display:inline-block;margin-top:22px;font-size:14px;font-weight:700;color:var(--orange-deep);text-decoration:none}
.article-head h1{margin:10px 0 0;font-size:clamp(32px,4.6vw,52px);font-weight:800;letter-spacing:-0.035em;line-height:1.08;max-width:22ch}
.article-head .dek{margin:18px 0 0;font-size:clamp(18px,1.7vw,21px);color:var(--ink-soft);max-width:60ch;line-height:1.55}
.byline{display:flex;align-items:center;gap:14px;margin-top:26px;font-size:15px;color:var(--ink-soft)}
.byline img{width:48px;height:48px;border-radius:50%;object-fit:cover;object-position:top;background:var(--orange)}
.byline b{color:var(--ink);font-weight:700}

.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:64px;align-items:start;padding-bottom:clamp(56px,8vw,96px);border-top:1px solid var(--line);padding-top:clamp(28px,4vw,44px)}
.article-grid > *{min-width:0}
.toc{position:sticky;top:96px;font-size:15px;order:2}
.toc p{margin:0 0 10px;font-weight:700}
.toc ol{margin:0;padding-left:18px;display:grid;gap:8px;color:var(--ink-soft)}
.toc a{text-decoration:none}
.toc a:hover{color:var(--orange-deep);text-decoration:underline}
.toc .side-cta{margin-top:28px;padding:22px;border-radius:16px;background:var(--ink);color:#fff}
.toc .side-cta b{display:block;font-size:17px;line-height:1.3;margin-bottom:8px}
.toc .side-cta span{display:block;font-size:14px;color:rgba(255,255,255,.75);margin-bottom:16px}
.toc .side-cta .btn{width:100%;min-height:46px;font-size:15px;background:var(--orange-deep);color:#fff}
.toc .side-cta .btn:hover{background:#9A3412}
@media (max-width:980px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .toc{position:static;order:0;border:1px solid var(--line);border-radius:14px;padding:18px 20px}
  .toc .side-cta{display:none}
}

/* Corpo do texto */
.prose{max-width:68ch;font-size:18px;line-height:1.75}
.prose > *{margin:0}
.prose > * + *{margin-top:1.15em}
.prose h2{margin-top:2.1em;font-size:clamp(25px,2.6vw,31px);font-weight:800;letter-spacing:-0.025em;line-height:1.2;scroll-margin-top:96px}
.prose h3{margin-top:1.7em;font-size:21px;font-weight:700;letter-spacing:-0.01em;line-height:1.3}
.prose a{color:var(--orange-deep);text-underline-offset:3px}
.prose ul,.prose ol{padding-left:1.3em}
.prose li+li{margin-top:.45em}
.prose strong{font-weight:700}
.prose .note{padding:18px 22px;border-left:4px solid var(--orange);background:var(--orange-soft);border-radius:0 12px 12px 0;font-size:17px}
.prose .formula{padding:20px 22px;border-radius:14px;background:var(--paper);border:1px solid var(--line);font-size:17px;font-variant-numeric:tabular-nums}
.prose .formula b{display:block;margin-bottom:6px}
.prose table{width:100%;border-collapse:collapse;font-size:16px;font-variant-numeric:tabular-nums;display:block;overflow-x:auto}
.prose th,.prose td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top;min-width:140px}
.prose thead th{font-size:14px;color:var(--ink-soft);font-weight:600;border-bottom:2px solid var(--ink)}
.prose tbody th{font-weight:700}
@media (max-width:640px){
  .prose table,.prose thead,.prose tbody,.prose tr,.prose th,.prose td{display:block;width:100%;min-width:0}
  .prose thead{display:none}
  .prose tbody{display:grid;gap:12px}
  .prose tbody tr{border:1px solid var(--line);border-radius:14px;padding:6px 0;background:#fff}
  .prose tbody th,.prose tbody td{border:0;padding:8px 16px}
  .prose tbody th{font-size:17px;padding-top:10px}
  .prose tbody td::before{content:attr(data-label);display:block;font-size:12.5px;font-weight:700;color:var(--orange-deep);margin-bottom:2px}
}

/* Caixa de lead no meio e no fim do artigo */
.cta-box{margin-top:2.2em !important;padding:28px;border-radius:18px;background:var(--orange);color:#fff;display:grid;gap:12px}
.cta-box b{font-size:clamp(21px,2.2vw,25px);line-height:1.25;letter-spacing:-0.02em}
.cta-box span{font-size:16px;line-height:1.55;color:rgba(255,255,255,.95)}
.cta-box .btn{justify-self:start;margin-top:6px}
.cta-box a:not(.btn){color:inherit}
.cta-box .btn-light{color:var(--orange-ink);text-decoration:none}
.cta-box .btn-light:hover{background:var(--orange-soft);color:var(--orange-ink)}

/* FAQ */
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:18px 36px 18px 0;font-weight:700;font-size:18px;position:relative;line-height:1.4}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:12px;height:12px;margin-top:-9px;border-right:2.5px solid var(--orange-deep);border-bottom:2.5px solid var(--orange-deep);transform:rotate(45deg);transition:transform .2s ease}
.faq details[open] summary::after{transform:rotate(225deg);margin-top:-3px}
.faq details p{margin:0 0 20px;color:var(--ink-soft);font-size:17px}

/* Autor e relacionados */
.author-box{display:grid;grid-template-columns:72px 1fr;gap:18px;align-items:center;margin-top:2.6em !important;padding:24px;border:1px solid var(--line);border-radius:18px;font-size:16px;line-height:1.6}
.author-box img{width:72px;height:72px;border-radius:50%;object-fit:cover;object-position:top;background:var(--orange)}
.author-box b{display:block;font-size:17px}
.author-box p{margin:4px 0 0;color:var(--ink-soft)}
.related{background:var(--paper);padding:clamp(48px,7vw,80px) 0;border-top:1px solid var(--line)}
.related h2{margin:0 0 28px;font-size:clamp(26px,3vw,34px);font-weight:800;letter-spacing:-0.03em}

/* Rodapé (igual ao site) */
.site-footer{background:#000;color:#E7E5E4;padding:56px 0 110px}
.footer-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:28px}
.site-footer .brand{color:#fff}
.site-footer p{font-size:15px;color:#A8A29E;margin:10px 0 0}
.site-footer nav{display:flex;flex-wrap:wrap;gap:12px 28px}
.site-footer nav a{text-decoration:none;font-weight:600;font-size:15px}
.site-footer nav a:hover{text-decoration:underline}
@media (min-width:761px){.site-footer{padding-bottom:56px}}

/* WhatsApp flutuante (igual ao site) */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:70;width:64px;height:64px;border-radius:50%;display:block;filter:drop-shadow(0 8px 18px rgba(0,0,0,.28));transition:transform .2s ease}
.wa-float:hover{transform:scale(1.07)}
.wa-float img{width:100%;height:100%;object-fit:contain}
@media (max-width:760px){.wa-float{right:14px;bottom:14px;width:60px;height:60px}}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Esconde "voltar ao topo" inserido pela hospedagem (mesma regra do site) */
#scroll-top,.scroll-top,#scrollUp,.scroll-to-top,#scroll-to-top,.back-to-top,#back-to-top,[class*="scroll-to-top"],[class*="back-to-top"],[id*="scroll-to-top"],[id*="back-to-top"]{display:none!important}