:root{
  --bg:#FAFAFA;
  --ink:#333333;
  --ink-soft:#6B6B6B;
  --orange:#F58220;
  --orange-tint:#FFF1E2;
  --line:#EAEAEA;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}

body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4,.brand{ font-family:'Poppins',sans-serif; }

a{ text-decoration:none; color:inherit; }
a:focus-visible, button:focus-visible{ outline:2px solid var(--orange); outline-offset:3px; }
::selection{ background:var(--orange-tint); color:var(--ink); }

/* ---------- BARRA DE PROGRESSO DE LEITURA (páginas de artigo) ---------- */
.progress-bar-read{
  position:fixed; top:0; left:0; height:3px; width:0%;
  background:var(--orange); z-index:100; transition:width .1s linear;
}

/* ---------- HEADER ---------- */
.site-header{
  border-bottom:1px solid var(--line);
  background:rgba(250,250,250,.9);
  backdrop-filter:saturate(180%) blur(6px);
  position:sticky; top:0; z-index:50;
}
.brand{ font-weight:700; font-size:1.4rem; letter-spacing:-0.02em; display:inline-flex; align-items:center; }
.brand .last-name{ color:var(--orange); margin-left:.35em; }
.site-nav a{ font-weight:500; font-size:.95rem; color:var(--ink); padding:.4rem 0; margin-left:2rem; position:relative; }
.site-nav a::after{ content:""; position:absolute; left:0; bottom:-2px; width:0; height:2px; background:var(--orange); transition:width .25s ease; }
.site-nav a:hover::after, .site-nav a.active::after{ width:100%; }
.site-nav a.active{ color:var(--orange); }

/* ---------- BREADCRUMB ---------- */
.breadcrumb-nav{ padding:1.5rem 0 0; font-size:.85rem; }
.breadcrumb-nav ol{ display:flex; flex-wrap:wrap; list-style:none; margin:0; padding:0; color:var(--ink-soft); }
.breadcrumb-nav li:not(:last-child)::after{ content:"/"; margin:0 .55rem; color:#CFCFCF; }
.breadcrumb-nav a{ color:var(--ink-soft); }
.breadcrumb-nav a:hover{ color:var(--orange); }
.breadcrumb-nav li[aria-current]{ color:var(--ink); }

/* ---------- HERO (home) ---------- */
.hero{ padding:6.5rem 0 5rem; }
.hero .eyebrow{ font-family:'Poppins',sans-serif; font-weight:600; font-size:.8rem; letter-spacing:.16em; text-transform:uppercase; color:var(--orange); display:inline-block; margin-bottom:1.1rem; }
.hero h1{ font-weight:700; font-size:clamp(2.1rem, 4.2vw, 3.4rem); line-height:1.15; letter-spacing:-0.02em; max-width:16ch; margin-bottom:1.4rem; }
.hero h1 .accent{ color:var(--orange); }
.hero p.lead{ font-size:1.15rem; color:var(--ink-soft); max-width:52ch; margin-bottom:0; }
.hero-rule{ width:64px; height:3px; background:var(--orange); border:0; margin:2rem 0 0; opacity:1; }

/* ---------- CABEÇALHO DE PÁGINA (listagem) ---------- */
.page-header{ padding:4.5rem 0 2.5rem; }
.page-header .eyebrow{ font-family:'Poppins',sans-serif; font-weight:600; font-size:.8rem; letter-spacing:.16em; text-transform:uppercase; color:var(--orange); display:inline-block; margin-bottom:1rem; }
.page-header h1{ font-weight:700; font-size:clamp(1.9rem, 3.6vw, 2.9rem); letter-spacing:-0.02em; margin-bottom:.9rem; }
.page-header p{ color:var(--ink-soft); font-size:1.05rem; max-width:60ch; margin-bottom:0; }

/* ---------- FILTROS (listagem) ---------- */
.filters{ padding:0 0 2.5rem; }
.filter-pill{
  font-family:'Poppins',sans-serif; font-size:.82rem; font-weight:600; color:var(--ink-soft);
  background:transparent; border:1px solid var(--line); border-radius:999px; padding:.5rem 1.1rem;
  margin-right:.6rem; white-space:nowrap; transition:all .2s ease; cursor:pointer;
}
.filter-pill:hover{ border-color:var(--orange); color:var(--orange); }
.filter-pill.active{ background:var(--orange); border-color:var(--orange); color:#fff; }

/* ---------- SEÇÕES DE ARTIGOS / GRID ---------- */
.articles-section{ padding:1rem 0 5.5rem; }
.section-heading{ display:flex; align-items:baseline; justify-content:space-between; margin-bottom:2.75rem; border-bottom:1px solid var(--line); padding-bottom:1.25rem; }
.section-heading h2{ font-size:1.5rem; font-weight:600; margin:0; }
.section-heading span{ color:var(--ink-soft); font-size:.9rem; }

.post-card{
  height:100%; display:flex; flex-direction:column; padding:1.75rem 0;
  border-bottom:1px solid var(--line); transition:transform .2s ease, opacity .2s ease;
}
@media(min-width:768px){
  .post-card{ padding:1.75rem; border:1px solid var(--line); border-radius:10px; }
  .post-card:hover{ transform:translateY(-4px); border-color:var(--orange); }
}
.post-card[hidden]{ display:none; }

.tag{
  display:inline-block; font-family:'Poppins',sans-serif; font-size:.72rem; font-weight:600;
  letter-spacing:.05em; text-transform:uppercase; color:var(--orange); background:var(--orange-tint);
  padding:.3rem .65rem; border-radius:4px; margin-bottom:.9rem;
}

.post-card h2, .post-card h3{ font-size:1.2rem; font-weight:600; line-height:1.4; margin-bottom:.6rem; }
.post-card h3{ font-size:1.05rem; }
.post-card h2 a, .post-card h3 a{ transition:color .2s ease; }
.post-card h2 a:hover, .post-card h3 a:hover{ color:var(--orange); }
.post-card p{ color:var(--ink-soft); font-size:.95rem; margin-bottom:1.1rem; flex-grow:1; }

.post-meta, .post-meta-sm{ font-size:.8rem; color:#9A9A9A; margin-bottom:1rem; }
.post-meta-sm{ font-size:.78rem; margin-bottom:.9rem; }
.post-meta span:not(:last-child)::after, .post-meta-sm span:not(:last-child)::after{ content:"•"; margin:0 .5rem; color:#D8D8D8; }

.read-link{ font-weight:600; font-size:.9rem; color:var(--orange); display:inline-flex; align-items:center; gap:.4rem; }
.read-link i{ transition:transform .2s ease; font-size:.85rem; }
.read-link:hover i{ transform:translateX(4px); }

.empty-state{ display:none; text-align:center; padding:3rem 0; color:var(--ink-soft); }
.empty-state.show{ display:block; }

/* ---------- PAGINAÇÃO ---------- */
.pagination-nav{ padding:1rem 0 4.5rem; }
.page-link-custom{
  width:38px; height:38px; display:inline-flex; align-items:center; justify-content:center;
  border:1px solid var(--line); border-radius:8px; font-family:'Poppins',sans-serif; font-size:.85rem;
  font-weight:600; color:var(--ink-soft); margin:0 .25rem; transition:all .2s ease;
}
.page-link-custom:hover{ border-color:var(--orange); color:var(--orange); }
.page-link-custom.active{ background:var(--orange); border-color:var(--orange); color:#fff; }

/* ---------- CABEÇALHO DO ARTIGO ---------- */
.post-header{ padding:2.25rem 0 2.5rem; max-width:760px; margin:0 auto; }
.post-header h1{ font-weight:700; font-size:clamp(1.9rem, 3.8vw, 2.7rem); line-height:1.25; letter-spacing:-0.02em; margin-bottom:1.25rem; }
.post-header .dek{ font-size:1.1rem; color:var(--ink-soft); margin-bottom:1.5rem; }

.byline{ display:flex; align-items:center; gap:.75rem; padding-top:1.25rem; border-top:1px solid var(--line); }
.byline .avatar{
  width:42px; height:42px; border-radius:50%; background:var(--orange); color:#fff;
  display:flex; align-items:center; justify-content:center; font-family:'Poppins',sans-serif;
  font-weight:700; font-size:.95rem; flex-shrink:0;
}
.byline .name{ font-weight:600; font-size:.92rem; display:block; }
.byline .meta{ font-size:.82rem; color:var(--ink-soft); }
.byline .meta span:not(:last-child)::after{ content:"•"; margin:0 .45rem; color:#D8D8D8; }

/* ---------- IMAGEM DE DESTAQUE ---------- */
.featured-image{ max-width:920px; margin:0 auto 3rem; padding:0 1.5rem; }
.featured-image img{
  width:100%; aspect-ratio:16/9; object-fit:cover; border-radius:12px; border:1px solid var(--line); display:block;
}
.featured-image .frame{
  width:100%; aspect-ratio:16/9; border-radius:12px; background:linear-gradient(135deg, var(--orange-tint), #FFFFFF);
  border:1px solid var(--line); display:flex; align-items:center; justify-content:center; color:var(--orange); font-size:2.5rem;
}

/* ---------- CORPO DO ARTIGO ---------- */
.post-body{ max-width:720px; margin:0 auto; padding-bottom:1rem; }
.post-body h2{ font-size:1.5rem; font-weight:600; margin:2.75rem 0 1rem; letter-spacing:-0.01em; }
.post-body h3{ font-size:1.15rem; font-weight:600; margin:2rem 0 .85rem; }
.post-body p{ margin-bottom:1.35rem; color:var(--ink); }
.post-body ul, .post-body ol{ margin-bottom:1.35rem; padding-left:1.3rem; }
.post-body li{ margin-bottom:.5rem; }
.post-body strong{ color:var(--ink); }
.post-body a{ color:var(--orange); font-weight:500; border-bottom:1px solid var(--orange-tint); }
.post-body a:hover{ border-bottom-color:var(--orange); }

blockquote.pull-quote{
  border-left:3px solid var(--orange); padding:.25rem 0 .25rem 1.5rem; margin:2.25rem 0;
  font-family:'Poppins',sans-serif; font-size:1.15rem; font-weight:500; line-height:1.6; color:var(--ink);
}

/* ---------- TABELA DE CONTEÚDO ---------- */
.toc{ max-width:720px; margin:0 auto 2.5rem; border:1px solid var(--line); border-radius:10px; padding:1.25rem 1.5rem; }
.toc p.toc-title{ font-family:'Poppins',sans-serif; font-weight:600; font-size:.85rem; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-soft); margin-bottom:.75rem; }
.toc ol{ margin:0; padding-left:1.1rem; font-size:.92rem; }
.toc li{ margin-bottom:.4rem; }
.toc a{ color:var(--ink); }
.toc a:hover{ color:var(--orange); }

/* ---------- RODAPÉ DO POST / COMPARTILHAR ---------- */
.post-footer-meta{
  max-width:720px; margin:2.5rem auto 0; padding-top:2rem; border-top:1px solid var(--line);
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:1rem;
}
.topic-tags a{ display:inline-block; font-size:.8rem; color:var(--ink-soft); background:#F1F1F1; padding:.35rem .8rem; border-radius:999px; margin-right:.5rem; }
.topic-tags a:hover{ color:var(--orange); background:var(--orange-tint); }
.share-links a{ color:var(--ink-soft); font-size:1.05rem; margin-left:.9rem; }
.share-links a:hover{ color:var(--orange); }

/* ---------- CAIXA DO AUTOR ---------- */
.author-box{
  max-width:720px; margin:3rem auto 0; padding:1.75rem; background:#fff; border:1px solid var(--line);
  border-radius:12px; display:flex; gap:1.25rem; align-items:flex-start;
}
.author-box .avatar{
  width:56px; height:56px; border-radius:50%; background:var(--orange); color:#fff; display:flex;
  align-items:center; justify-content:center; font-family:'Poppins',sans-serif; font-weight:700; font-size:1.2rem; flex-shrink:0;
}
.author-box h3{ font-size:1rem; margin-bottom:.35rem; }
.author-box p{ font-size:.92rem; color:var(--ink-soft); margin-bottom:.75rem; }
.author-box .socials a{ color:var(--ink-soft); font-size:1rem; margin-right:.9rem; }
.author-box .socials a:hover{ color:var(--orange); }

/* ---------- ARTIGOS RELACIONADOS ---------- */
.related-section{ padding:4.5rem 0 5rem; border-top:1px solid var(--line); margin-top:4.5rem; }

/* ---------- FOOTER ---------- */
.site-footer{ border-top:1px solid var(--line); padding:2.5rem 0; }
.site-footer p{ font-size:.85rem; color:var(--ink-soft); margin:0; }
.footer-links a{ font-size:.85rem; color:var(--ink-soft); margin-right:1.5rem; }
.footer-links a:hover{ color:var(--orange); }
.socials-footer a{ color:var(--ink-soft); font-size:1.1rem; margin-left:1.1rem; transition:color .2s ease; }
.socials-footer a:hover{ color:var(--orange); }

@media(max-width:767px){
  .footer-col{ text-align:center; margin-bottom:1rem; }
  .footer-links{ margin-bottom:1rem; }
  .socials-footer{ margin:0 -1.1rem; }
  .author-box{ flex-direction:column; }
}

@media(prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  .progress-bar-read{ transition:none; }
}