/*
Theme Name: Ávimus Blog
Theme URI: https://avimus.com.br/blog
Author: Ávimus
Description: Tema do blog Ávimus / ClarIA — mobile-first, conectado ao design system do site principal (avimus.com.br). SEO e dados estruturados no functions.php.
Version: 2.1.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: avimus-blog
*/

/* ═══════════════════════════════════════
   TOKENS — espelham :root do avimus.com.br
   ═══════════════════════════════════════ */
:root {
  --roxo: #775EFC;
  --roxo-sec: #4A47AF;
  --roxo-glow: rgba(119,94,252,0.25);
  --verde: #2DD4A0;
  --verde-glow: rgba(45,212,160,0.30);
  --preto: #050508;
  --cinza: #F2F2F2;
  --branco: #ffffff;
  --texto: #0D0D14;
  --texto-sec: #55556A;
  --borda: rgba(119,94,252,0.14);
  --borda-sutil: rgba(13,13,20,0.08);
  --surface: #ffffff;
  --surface-alt: #F8F7FF;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(119,94,252,0.12);
  --shadow-lg: 0 12px 48px rgba(119,94,252,0.18);
  --transition: 0.4s cubic-bezier(0.16,1,0.3,1);
  --nav-h: 64px;
}

/* ═══════════════════════════════════════
   RESET — mobile-first
   ═══════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Montserrat', sans-serif;
  color: var(--texto);
  background: var(--branco);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img, svg { max-width: 100%; display: block; }
button, input { font-family: inherit; }
button { cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
input, textarea { -webkit-appearance: none; appearance: none; }

/* alvo de toque mínimo recomendável (44x44) em qualquer elemento interativo */
a, button, input[type="submit"] { -webkit-tap-highlight-color: rgba(119,94,252,.15); }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--roxo); border-radius: 2px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: -100px; left: 12px; z-index: 10000;
  background: var(--roxo); color: #fff; padding: 12px 20px; border-radius: var(--radius-sm);
  font-size: 0.85rem; font-weight: 700; transition: top .2s;
}
.skip-link:focus { top: 12px; }

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

/* ═══════════════════════════════════════
   CURSOR CUSTOMIZADO — mesmo efeito do site principal
   Só ativa em telas com mouse de precisão (desktop); em touch, cursor nativo.
   ═══════════════════════════════════════ */
@media (hover: hover) and (pointer: fine) {
  body.has-fine-cursor { cursor: none; }
  body.has-fine-cursor a,
  body.has-fine-cursor button { cursor: none; }
}
#cursor-dot, #cursor-ring {
  position: fixed; top: 0; left: 0;
  border-radius: 50%; pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%);
  opacity: 0; transition: opacity 0.3s;
  display: none;
}
#cursor-dot { width: 8px; height: 8px; background: var(--roxo); }
#cursor-ring {
  width: 36px; height: 36px;
  border: 1.5px solid rgba(119,94,252,0.5);
  transition: width 0.2s, height 0.2s, border-color 0.2s, opacity 0.3s;
}
body.has-fine-cursor #cursor-dot,
body.has-fine-cursor #cursor-ring { display: block; }
body.cursor-active #cursor-dot,
body.cursor-active #cursor-ring { opacity: 1; }
body.cursor-hover #cursor-ring {
  width: 52px; height: 52px;
  border-color: var(--roxo);
}
@media (prefers-reduced-motion: reduce) {
  #cursor-dot, #cursor-ring { display: none !important; }
  body.has-fine-cursor { cursor: auto; }
}

/* ═══════════════════════════════════════
   PROGRESS BAR
   ═══════════════════════════════════════ */
.progress-bar { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 1100; background: transparent; }
.progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, #3522C8, var(--roxo), #A591FF); transition: width .1s linear; }

/* ═══════════════════════════════════════
   BOTÕES
   ═══════════════════════════════════════ */
.btn-ghost {
  display: inline-flex; align-items: center; min-height: 44px;
  font-size: 0.875rem; font-weight: 600; color: var(--texto-sec);
  padding: 10px 20px; border-radius: 100px; transition: color 0.2s;
}
.btn-ghost:hover { color: var(--roxo); }

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px;
  font-size: 0.875rem; font-weight: 700; color: var(--branco); background: var(--roxo);
  padding: 10px 24px; border-radius: 100px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px var(--roxo-glow);
}
.btn-primary:hover { background: #6548f0; transform: translateY(-1px); box-shadow: 0 8px 24px var(--roxo-glow); }

.btn-accent {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px;
  font-size: 0.875rem; font-weight: 700; color: #050508; background: var(--verde);
  padding: 10px 24px; border-radius: 100px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px var(--verde-glow);
}
.btn-accent:hover { background: #25c090; transform: translateY(-1px); box-shadow: 0 8px 24px var(--verde-glow); }

.btn-primary-lg {
  font-size: 1rem; font-weight: 700; color: var(--branco); background: var(--roxo);
  padding: 16px 32px; border-radius: 100px; min-height: 52px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 6px 24px var(--roxo-glow);
}
.btn-primary-lg:hover { background: #6548f0; transform: translateY(-2px); box-shadow: 0 12px 36px var(--roxo-glow); }

.btn-outline-lg {
  font-size: 1rem; font-weight: 600; color: var(--roxo);
  border: 1.5px solid var(--borda); min-height: 52px;
  padding: 15px 30px; border-radius: 100px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.btn-outline-lg:hover { border-color: var(--roxo); background: rgba(119,94,252,0.05); transform: translateY(-1px); }

.btn-white {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px;
  font-size: 0.9rem; font-weight: 700; color: var(--roxo); background: #fff;
  padding: 14px 28px; border-radius: 100px; transition: transform .2s, box-shadow .2s;
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.15); }

/* ═══════════════════════════════════════
   NAVBAR — mobile-first
   ═══════════════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 16px; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s, border-color .3s;
}
.nav.scrolled { box-shadow: 0 1px 0 var(--borda-sutil); border-bottom-color: var(--borda-sutil); }
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 30px; width: auto; }
.nav-links { display: none; }
.nav-cta { display: none; }
.nav-search-toggle {
  width: 40px; height: 40px; border-radius: 50%;
  display: none; align-items: center; justify-content: center;
  color: var(--texto-sec); border: 1px solid var(--borda-sutil);
}

.hamburger {
  display: flex; flex-direction: column; gap: 5px;
  width: 44px; height: 44px; align-items: center; justify-content: center;
}
.hamburger span { width: 20px; height: 2px; background: var(--texto); border-radius: 2px; transition: var(--transition); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 2000;
  background: var(--branco);
  display: flex; flex-direction: column;
  padding: 16px 20px 32px;
  gap: 6px;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.16,1,.3,1);
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.mobile-close { width: 44px; height: 44px; font-size: 1.2rem; display: flex; align-items: center; justify-content: center; }
.mobile-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--surface-alt); border-radius: 100px; padding: 4px 4px 4px 18px;
  margin-bottom: 20px;
}
.mobile-search input { flex: 1; border: none; background: none; height: 44px; font-size: 0.95rem; }
.mobile-search input:focus { outline: none; }
.mobile-search button { width: 40px; height: 40px; border-radius: 50%; background: var(--roxo); color: #fff; flex-shrink: 0; }
.mobile-link {
  font-size: 1.05rem; font-weight: 600; padding: 14px 4px;
  border-bottom: 1px solid var(--borda-sutil);
  min-height: 44px; display: flex; align-items: center;
}
.mobile-menu .btn-primary-lg.mobile-link { border-bottom: none; margin-top: 14px; }

/* ═══════════════════════════════════════
   LAYOUT BASE
   ═══════════════════════════════════════ */
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

.breadcrumbs { margin-bottom: 14px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 0.78rem; color: var(--texto-sec); }
.breadcrumbs a { color: var(--texto-sec); transition: color .2s; }
.breadcrumbs a:hover { color: var(--roxo); }
.breadcrumbs .sep { opacity: .4; }
.breadcrumbs [aria-current] { color: var(--texto); font-weight: 600; }

.page-header {
  padding: calc(var(--nav-h) + 32px) 20px 40px;
  text-align: center;
  background: var(--surface-alt);
}
.page-header .breadcrumbs ol { justify-content: center; }

.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--roxo); background: rgba(119,94,252,0.08);
  padding: 6px 14px; border-radius: 100px; border: 1px solid rgba(119,94,252,0.16);
}
.section-title {
  font-family: 'Space Grotesk', 'Montserrat', sans-serif;
  font-size: clamp(26px, 7vw, 48px); font-weight: 300;
  letter-spacing: -0.02em; color: var(--texto); line-height: 1.2;
  margin-top: 14px; margin-bottom: 14px;
}
.section-sub {
  font-size: 0.95rem; color: var(--texto-sec);
  max-width: 560px; margin: 0 auto; line-height: 1.7;
}

/* ═══════════════════════════════════════
   FILTRO DE CATEGORIAS + BUSCA
   ═══════════════════════════════════════ */
.filter-row {
  display: flex; flex-direction: column; gap: 14px;
  margin-bottom: 32px;
}
.category-filter {
  display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px;
  -ms-overflow-style: none; scrollbar-width: none;
}
.category-filter::-webkit-scrollbar { display: none; }
.category-filter a {
  flex-shrink: 0; font-size: 0.8rem; font-weight: 600; color: var(--texto-sec);
  padding: 9px 16px; border-radius: 100px; border: 1px solid var(--borda-sutil);
  min-height: 40px; display: flex; align-items: center;
  transition: all .2s;
}
.category-filter a:hover { border-color: var(--roxo); color: var(--roxo); }
.category-filter a.is-active { background: var(--roxo); color: #fff; border-color: var(--roxo); }

.blog-search {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface-alt); border-radius: 100px;
  padding: 0 16px; height: 46px;
}
.blog-search svg { flex-shrink: 0; color: var(--texto-sec); }
.blog-search input { flex: 1; border: none; background: none; height: 100%; font-size: 0.9rem; color: var(--texto); }
.blog-search input:focus { outline: none; }

/* ═══════════════════════════════════════
   BLOG GRID / CARDS
   ═══════════════════════════════════════ */
.blog-section { padding: 48px 0 72px; }
.blog-grid {
  display: grid; grid-template-columns: 1fr; gap: 20px; margin-bottom: 40px;
}
.blog-card {
  background: var(--branco); border: 1px solid var(--borda-sutil); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.blog-card:hover {
  border-color: rgba(119,94,252,0.32);
  box-shadow: 0 8px 40px rgba(119,94,252,0.10), 0 2px 12px rgba(0,0,0,0.05);
  transform: translateY(-4px);
}
.blog-thumb {
  aspect-ratio: 16/9; overflow: hidden;
  background: linear-gradient(135deg, #E8E2FF 0%, #D4ECFF 100%);
  flex-shrink: 0;
}
.blog-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.55s cubic-bezier(0.16,1,0.3,1); }
.blog-card:hover .blog-thumb img { transform: scale(1.05); }
.blog-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.blog-category {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--roxo); background: rgba(119,94,252,0.08); border: 1px solid rgba(119,94,252,0.15);
  border-radius: 100px; padding: 3px 10px; width: fit-content;
}
.blog-title {
  font-family: 'Space Grotesk', 'Montserrat', sans-serif;
  font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; color: var(--texto); line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-excerpt {
  font-size: 0.875rem; color: var(--texto-sec); line-height: 1.65; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-meta { font-size: 0.75rem; color: var(--texto-sec); opacity: .8; }
.blog-cta { text-align: center; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ═══════════════════════════════════════
   PAGINAÇÃO
   ═══════════════════════════════════════ */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.pagination a, .pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 44px; height: 44px; padding: 0 14px;
  border-radius: 100px; border: 1px solid var(--borda-sutil);
  font-size: 0.85rem; font-weight: 600; color: var(--texto-sec);
  transition: border-color .2s, color .2s, background .2s;
}
.pagination a:hover { border-color: var(--roxo); color: var(--roxo); }
.pagination .current { background: var(--roxo); color: var(--branco); border-color: var(--roxo); }

/* ═══════════════════════════════════════
   ARTIGO / SINGLE POST
   ═══════════════════════════════════════ */
.article-header { padding: calc(var(--nav-h) + 28px) 20px 32px; background: var(--surface-alt); }
.article-header-inner { max-width: 780px; margin: 0 auto; text-align: center; }
.article-title {
  font-family: 'Space Grotesk', 'Montserrat', sans-serif;
  font-size: clamp(26px, 7vw, 44px); font-weight: 400;
  letter-spacing: -0.02em; line-height: 1.25; color: var(--texto);
  margin: 14px 0;
}
.article-meta {
  display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap;
  font-size: 0.82rem; color: var(--texto-sec);
}
.article-author { display: flex; align-items: center; gap: 8px; }
.article-author img { border-radius: 50%; }
.article-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--texto-sec); }

.article-thumb { max-width: 900px; margin: 0 auto; padding: 0 20px 0; }
.article-thumb img { border-radius: var(--radius); aspect-ratio: 16/9; object-fit: cover; }

.article-layout { max-width: 900px; margin: 0 auto; padding: 0 20px; display: block; }

.toc-wrap { margin: 24px 0; }
.toc-toggle {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  background: var(--surface-alt); border: 1px solid var(--borda-sutil);
  border-radius: var(--radius-sm); padding: 14px 18px;
  font-size: 0.9rem; font-weight: 700; color: var(--texto); min-height: 44px;
}
.toc-toggle svg { transition: transform .25s; }
.toc-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.toc {
  background: var(--surface-alt); border: 1px solid var(--borda-sutil); border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  padding: 4px 18px 14px;
  max-height: 0; overflow: hidden;
}
.toc.open { max-height: 600px; padding: 10px 18px 16px; }
.toc-title { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--texto-sec); margin-bottom: 8px; }
.toc ol { display: flex; flex-direction: column; gap: 6px; }
.toc a { font-size: 0.85rem; color: var(--texto-sec); line-height: 1.5; transition: color .2s; }
.toc a:hover, .toc a.active { color: var(--roxo); font-weight: 600; }
.toc .toc-sub { padding-left: 16px; }

.article-body {
  margin: 24px auto 48px;
  font-size: 1rem; line-height: 1.85; color: var(--texto);
}
.article-body > p:first-of-type {
  font-size: 1.08rem; color: var(--texto-sec); font-weight: 500;
}
.article-body p { margin-bottom: 20px; }
.article-body h2 {
  font-family: 'Space Grotesk', 'Montserrat', sans-serif;
  font-size: clamp(20px, 5vw, 26px); font-weight: 600; letter-spacing: -0.01em;
  margin: 36px 0 14px; color: var(--texto); scroll-margin-top: calc(var(--nav-h) + 16px);
}
.article-body h3 {
  font-family: 'Space Grotesk', 'Montserrat', sans-serif;
  font-size: clamp(17px, 4vw, 20px); font-weight: 600;
  margin: 28px 0 12px; color: var(--texto); scroll-margin-top: calc(var(--nav-h) + 16px);
}
.article-body ul, .article-body ol { margin: 0 0 20px 20px; }
.article-body li { margin-bottom: 8px; line-height: 1.7; }
.article-body a { color: var(--roxo); text-decoration: underline; text-underline-offset: 3px; }
.article-body img { border-radius: var(--radius); margin: 20px 0; height: auto; }
.article-body figure { margin: 20px 0; }
.article-body figcaption { font-size: 0.8rem; color: var(--texto-sec); text-align: center; margin-top: 8px; }
.article-body blockquote {
  border-left: 3px solid var(--roxo); background: var(--surface-alt);
  padding: 16px 20px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic; color: var(--texto-sec); margin: 20px 0;
}
.article-body code { background: var(--surface-alt); padding: 2px 6px; border-radius: 4px; font-size: .9em; }
.article-body pre { background: var(--preto); color: #f0f0f8; padding: 16px; border-radius: var(--radius-sm); overflow-x: auto; margin: 20px 0; -webkit-overflow-scrolling: touch; }
.article-body table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.9rem; display: block; overflow-x: auto; }
.article-body th, .article-body td { padding: 10px 14px; border: 1px solid var(--borda-sutil); text-align: left; }
.article-body th { background: var(--surface-alt); font-weight: 700; }

.article-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 28px; }
.article-tags a {
  font-size: 0.78rem; font-weight: 600; color: var(--texto-sec);
  border: 1px solid var(--borda-sutil); padding: 7px 14px; border-radius: 100px;
  min-height: 36px; display: flex; align-items: center;
  transition: border-color .2s, color .2s;
}
.article-tags a:hover { border-color: var(--roxo); color: var(--roxo); }

.article-share {
  display: flex; align-items: center; gap: 10px; margin-top: 24px; padding: 20px 0;
  border-top: 1px solid var(--borda-sutil); border-bottom: 1px solid var(--borda-sutil);
  flex-wrap: wrap;
}
.article-share span { font-size: 0.8rem; color: var(--texto-sec); font-weight: 600; }
.article-share a, .article-share button {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--borda-sutil);
  display: flex; align-items: center; justify-content: center; color: var(--texto-sec);
  transition: border-color .2s, color .2s, background .2s;
}
.article-share button { width: auto; border-radius: 100px; padding: 0 16px; font-size: 0.8rem; font-weight: 600; }
.article-share a:hover, .article-share button:hover { border-color: var(--roxo); color: var(--roxo); background: rgba(119,94,252,.06); }

.author-box {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--surface-alt); border-radius: var(--radius);
  padding: 20px; margin-top: 28px;
}
.author-box img { border-radius: 50%; flex-shrink: 0; }
.author-box-name { font-weight: 700; margin-bottom: 6px; }
.author-box-bio { font-size: 0.85rem; color: var(--texto-sec); line-height: 1.6; }

.related-section { padding-top: 8px; }
.related-title { text-align: left; font-size: clamp(20px, 5vw, 26px); margin-top: 0; }

.comments-wrap { max-width: 900px; margin: 0 auto 60px; padding: 0 20px; }

/* ═══════════════════════════════════════
   CTA
   ═══════════════════════════════════════ */
.cta-section {
  background: linear-gradient(135deg, var(--roxo) 0%, var(--roxo-sec) 100%);
  padding: 48px 24px; text-align: center;
  border-radius: var(--radius-lg);
  max-width: 1000px; margin: 0 auto 64px;
}
.cta-eyebrow { font-size: 0.78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.75); }
.cta-title {
  font-family: 'Space Grotesk', 'Montserrat', sans-serif;
  font-size: clamp(22px, 6vw, 34px); font-weight: 600; color: #fff; margin: 12px 0 10px; letter-spacing: -0.01em;
}
.cta-sub { color: rgba(255,255,255,.85); max-width: 560px; margin: 0 auto 24px; line-height: 1.7; font-size: 0.92rem; }
.cta-actions { display: flex; flex-direction: column; gap: 12px; }
.cta-actions .btn-outline-lg { color: #fff; border-color: rgba(255,255,255,.4); }

/* ═══════════════════════════════════════
   NEWSLETTER
   ═══════════════════════════════════════ */
.newsletter-box {
  background: linear-gradient(135deg, #17172c 0%, #0d0d1a 100%);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex; flex-direction: column; gap: 20px;
  margin-bottom: 48px;
}
.newsletter-form { display: flex; flex-direction: column; gap: 10px; }
.newsletter-form input {
  height: 48px; border-radius: 100px; border: 1px solid rgba(255,255,255,.15);
  background: rgba(255,255,255,.06); color: #fff; padding: 0 18px; font-size: 0.9rem;
}
.newsletter-form input::placeholder { color: rgba(255,255,255,.4); }
.newsletter-form input:focus { outline: none; border-color: var(--roxo); }
.newsletter-form button { justify-content: center; }

/* ═══════════════════════════════════════
   BACK TO TOP
   ═══════════════════════════════════════ */
.back-to-top {
  position: fixed; right: 16px; bottom: 16px; z-index: 900;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--roxo); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px var(--roxo-glow);
  opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: opacity .25s, transform .25s;
}
.back-to-top.visible { opacity: 1; pointer-events: all; transform: translateY(0); }

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */
.footer { background: var(--preto); color: #fff; padding: 56px 20px 24px; }
.footer-inner { max-width: 1160px; margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 1fr; gap: 36px; margin-bottom: 40px; }
.footer-logo { margin-bottom: 16px; }
.footer-logo img { height: 30px; }
.footer-tagline { font-size: 0.85rem; color: rgba(255,255,255,.6); line-height: 1.7; max-width: 340px; margin-bottom: 16px; }
.footer-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.75rem; font-weight: 600; color: var(--verde);
  background: rgba(45,212,160,.1); border: 1px solid rgba(45,212,160,.25);
  padding: 5px 12px; border-radius: 100px; margin-bottom: 16px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social-link {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.7);
  transition: border-color .2s, color .2s, background .2s;
}
.footer-social-link:hover { border-color: rgba(119,94,252,.5); color: var(--roxo); background: rgba(119,94,252,.1); }
.footer-col-title { font-size: 0.8rem; font-weight: 700; letter-spacing: .04em; margin-bottom: 14px; color: rgba(255,255,255,.9); }
.footer-col-links li { margin-bottom: 4px; }
.footer-col-links a { font-size: 0.88rem; color: rgba(255,255,255,.6); transition: color .2s; min-height: 40px; display: flex; align-items: center; }
.footer-col-links a:hover { color: var(--roxo); }
.footer-bottom {
  display: flex; flex-direction: column; gap: 14px;
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1);
}
.footer-copy { font-size: 0.76rem; color: rgba(255,255,255,.45); }
.footer-legal { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-legal a { font-size: 0.76rem; color: rgba(255,255,255,.45); transition: color .2s; min-height: 32px; display: flex; align-items: center; }
.footer-legal a:hover { color: #fff; }

/* ═══════════════════════════════════════
   WIDGETS / EMPTY STATE
   ═══════════════════════════════════════ */
.widget { margin-bottom: 20px; padding: 20px; border-radius: var(--radius); border: 1px solid var(--borda-sutil); }
.widget-title { font-size: 0.9rem; font-weight: 700; margin-bottom: 12px; }
.empty-state { text-align: center; padding: 40px 20px 60px; color: var(--texto-sec); }

/* ═══════════════════════════════════════
   RESPONSIVO — mobile-first (min-width em diante)
   ═══════════════════════════════════════ */

/* Tablet — 640px */
@media (min-width: 640px) {
  .wrap { padding: 0 32px; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .filter-row { flex-direction: row; align-items: center; justify-content: space-between; }
  .category-filter { flex: 1; }
  .blog-search { max-width: 280px; }
  .cta-actions { flex-direction: row; justify-content: center; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

/* Desktop pequeno — 900px */
@media (min-width: 900px) {
  .nav { padding: 0 clamp(24px, 5vw, 80px); height: 72px; }
  .nav-logo img { height: 40px; }
  .nav-links { display: flex; align-items: center; gap: 28px; }
  .nav-links a { font-size: 0.875rem; font-weight: 500; color: var(--texto-sec); transition: color 0.2s; }
  .nav-links a:hover, .nav-links a.is-active { color: var(--roxo); }
  .nav-cta { display: flex; align-items: center; gap: 12px; }
  .nav-search-toggle { display: flex; }
  .hamburger { display: none; }

  .wrap { padding: 0 clamp(24px, 5.5vw, 80px); }
  .page-header { padding: 132px clamp(24px,5.5vw,80px) 56px; }
  .blog-section { padding: 64px 0 100px; }
  .blog-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .blog-body { padding: 24px; }

  .article-header { padding: 140px clamp(24px,5.5vw,80px) 44px; }
  .article-thumb { padding: 0 clamp(24px,5.5vw,80px); margin-top: -24px; }
  .article-thumb img { box-shadow: var(--shadow-lg); }

  .article-layout {
    display: grid; grid-template-columns: 200px minmax(0,1fr);
    gap: 48px; align-items: start; padding: 0 clamp(24px,5.5vw,80px);
  }
  .toc-wrap { position: sticky; top: calc(var(--nav-h) + 24px); margin: 40px 0 0; }
  .toc-toggle { display: none; }
  .toc { display: block !important; max-height: none !important; background: none; border: none; padding: 0; }
  .toc[hidden] { display: block !important; }
  .article-body { margin: 40px 0 56px; }

  .comments-wrap { padding: 0 clamp(24px,5.5vw,80px); }

  .cta-section { padding: 72px clamp(24px,5.5vw,80px); margin-bottom: 100px; }

  .newsletter-box { flex-direction: row; align-items: center; justify-content: space-between; padding: 40px clamp(24px,4vw,56px); }
  .newsletter-form { flex-direction: row; min-width: 380px; }
  .newsletter-form input { flex: 1; }

  .footer { padding: 80px clamp(24px,5.5vw,80px) 32px; }
  .footer-top { grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 56px; }
  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* Desktop grande — 1200px */
@media (min-width: 1200px) {
  .article-layout { grid-template-columns: 220px minmax(0,1fr); gap: 64px; }
}