/* ═══════════════════════════════════════════════════════════════════════
   AtendoApp — Blog (server-rendered, zero JS)
   Herda tokens da landing e adiciona tipografia editorial pra conteúdo longo.
   ═══════════════════════════════════════════════════════════════════════ */

:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --gray-50:  #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 4px 14px rgba(0,0,0,0.07);
  --max-read: 720px;  /* largura ideal de leitura (~65 caracteres por linha) */
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, sans-serif;
  color: var(--gray-800);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .15s; }
a:hover { color: var(--primary-dark); text-decoration: underline; }

/* ═══════════════════════════════════════════════════════════════════════
   Header
   ═══════════════════════════════════════════════════════════════════════ */
.blog-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.blog-header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.blog-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
  color: var(--gray-900);
}
.blog-logo:hover { text-decoration: none; color: var(--gray-900); }
.blog-logo img { width: 32px; height: 32px; }

.blog-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 500;
}
.blog-nav a { color: var(--gray-600); }
.blog-nav a:hover { color: var(--gray-900); text-decoration: none; }
.blog-nav-cta {
  background: var(--primary) !important;
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
}
.blog-nav-cta:hover { background: var(--primary-dark) !important; text-decoration: none !important; }

@media (max-width: 640px) {
  .blog-nav { gap: 12px; font-size: 13px; }
  .blog-nav a:not(.blog-nav-cta) { display: none; }
  .blog-nav a[href="/blog"] { display: inline-flex; }
}

/* ═══════════════════════════════════════════════════════════════════════
   Hero da listagem
   ═══════════════════════════════════════════════════════════════════════ */
.blog-hero {
  background: linear-gradient(180deg, var(--primary-light) 0%, transparent 100%);
  padding: 56px 24px 32px;
  text-align: center;
}
.blog-hero-inner { max-width: 720px; margin: 0 auto; }
.blog-hero h1 {
  font-size: 40px;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.15;
  margin: 0 0 12px;
}
.blog-hero p {
  font-size: 17px;
  color: var(--gray-600);
  margin: 0;
}
.blog-tag-clear {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
}

@media (max-width: 640px) {
  .blog-hero { padding: 36px 20px 24px; }
  .blog-hero h1 { font-size: 28px; }
  .blog-hero p { font-size: 15px; }
}

/* ═══════════════════════════════════════════════════════════════════════
   Main + listagem
   ═══════════════════════════════════════════════════════════════════════ */
.blog-main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}
.blog-main-post {
  max-width: var(--max-read);
  padding: 28px 24px 80px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.post-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.post-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--gray-300);
}

.post-card-cover-link {
  display: block;
  aspect-ratio: 16 / 9;
  background: var(--gray-100);
  overflow: hidden;
}
.post-card-cover {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .3s;
}
.post-card:hover .post-card-cover { transform: scale(1.03); }

.post-card-cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  font-size: 56px;
  font-weight: 800;
}

.post-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }

.post-card-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 10px;
}
.post-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 3px 8px;
  border-radius: 999px;
  text-transform: lowercase;
}
a.post-tag:hover { background: var(--primary); color: #fff !important; text-decoration: none; }

.post-card-title {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--gray-900);
}
.post-card-title a { color: inherit; }
.post-card-title a:hover { color: var(--primary); text-decoration: none; }

.post-card-excerpt {
  font-size: 14px;
  color: var(--gray-600);
  margin: 0 0 14px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 12px;
  color: var(--gray-500);
}

/* ═══════════════════════════════════════════════════════════════════════
   Post individual
   ═══════════════════════════════════════════════════════════════════════ */
.post-breadcrumb {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 20px;
}
.post-breadcrumb a { color: var(--gray-600); }
.post-breadcrumb span[role="separator"],
.post-breadcrumb > span:not([class]) { margin: 0 6px; color: var(--gray-300); }

.post-header {
  margin-bottom: 32px;
  text-align: center;
}
.post-tags {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 8px;
  margin-bottom: 16px;
}
.post-header h1 {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 40px;
  font-weight: 800;
  line-height: 1.15;
  color: var(--gray-900);
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.post-lead {
  font-size: 19px;
  color: var(--gray-600);
  line-height: 1.5;
  margin: 0 0 20px;
}
.post-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  color: var(--gray-500);
}
.post-author { font-weight: 600; color: var(--gray-700); }

.post-cover {
  margin: 0 0 40px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.post-cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ═══ Conteúdo do post (tipografia editorial) ═══ */
.post-content {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 18px;
  line-height: 1.75;
  color: var(--gray-800);
}
.post-content > * + * { margin-top: 1.2em; }
.post-content h2 {
  font-family: 'Inter', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.25;
  margin-top: 2em;
  margin-bottom: 0.5em;
  letter-spacing: -0.01em;
}
.post-content h3 {
  font-family: 'Inter', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.3;
  margin-top: 1.8em;
  margin-bottom: 0.4em;
}
.post-content h4 {
  font-family: 'Inter', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-800);
  margin-top: 1.6em;
}
.post-content p { margin: 0; }
.post-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.post-content strong { color: var(--gray-900); font-weight: 700; }
.post-content em { font-style: italic; }

.post-content ul,
.post-content ol {
  padding-left: 1.4em;
  margin: 0;
}
.post-content li { margin-bottom: 0.5em; }
.post-content li::marker { color: var(--primary); font-weight: 700; }

.post-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  padding: 14px 20px;
  margin: 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--gray-700);
}
.post-content blockquote p + p { margin-top: 0.8em; }

.post-content code {
  font-family: 'SF Mono', Menlo, Monaco, Consolas, monospace;
  background: var(--gray-100);
  color: var(--gray-900);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}
.post-content pre {
  background: var(--gray-900);
  color: #e2e8f0;
  padding: 16px 20px;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.5;
}
.post-content pre code {
  background: none;
  color: inherit;
  padding: 0;
  border-radius: 0;
}

.post-content img {
  width: 100%;
  border-radius: var(--radius);
  margin: 1.5em 0;
  box-shadow: var(--shadow-sm);
}
.post-content figure { margin: 1.5em 0; }
.post-content figcaption {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--gray-500);
  text-align: center;
  margin-top: 8px;
}

.post-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.4em 0;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  font-family: 'Inter', sans-serif;
}
.post-content th,
.post-content td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}
.post-content th {
  background: var(--gray-50);
  font-weight: 700;
  color: var(--gray-900);
}

@media (max-width: 640px) {
  .post-header h1 { font-size: 28px; }
  .post-lead { font-size: 16px; }
  .post-content { font-size: 16px; line-height: 1.7; }
  .post-content h2 { font-size: 22px; }
  .post-content h3 { font-size: 19px; }
}

/* ═══════════════════════════════════════════════════════════════════════
   CTA box no fim do post
   ═══════════════════════════════════════════════════════════════════════ */
.post-cta {
  margin-top: 56px;
  padding: 32px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border-radius: var(--radius);
  text-align: center;
}
.post-cta h3 {
  font-family: 'Inter', sans-serif;
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 10px;
  color: #fff;
}
.post-cta p {
  font-size: 15px;
  line-height: 1.55;
  margin: 0 0 20px;
  color: rgba(255,255,255,0.92);
}
.blog-btn-primary {
  display: inline-block;
  background: #fff;
  color: var(--primary) !important;
  padding: 12px 26px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  transition: transform .15s, box-shadow .15s;
}
.blog-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(255,255,255,0.25);
  text-decoration: none !important;
}

/* ═══════════════════════════════════════════════════════════════════════
   Posts relacionados
   ═══════════════════════════════════════════════════════════════════════ */
.post-related {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.post-related h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0 0 24px;
}

/* ═══════════════════════════════════════════════════════════════════════
   Paginação
   ═══════════════════════════════════════════════════════════════════════ */
.blog-pagination {
  margin-top: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  font-weight: 600;
}
.blog-pagination a { color: var(--primary); }
.blog-pagination .disabled { color: var(--gray-300); cursor: not-allowed; }
.blog-pagination-pos { color: var(--gray-500); font-weight: 500; }

/* ═══════════════════════════════════════════════════════════════════════
   Empty state
   ═══════════════════════════════════════════════════════════════════════ */
.blog-empty {
  text-align: center;
  padding: 80px 24px;
  color: var(--gray-600);
}
.blog-empty h2 {
  font-size: 24px;
  color: var(--gray-800);
  margin: 0 0 12px;
}

/* ═══════════════════════════════════════════════════════════════════════
   Footer
   ═══════════════════════════════════════════════════════════════════════ */
.blog-footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 56px 24px 32px;
  margin-top: 80px;
}
.blog-footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: start;
}
.blog-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 700;
  font-size: 18px;
}
.blog-footer-brand:hover { color: #fff; text-decoration: none; }
.blog-footer-tagline {
  font-size: 14px;
  color: var(--gray-400);
  margin: 8px 0 0;
}
.blog-footer-links {
  display: flex;
  gap: 24px;
  font-size: 14px;
}
.blog-footer-links a { color: var(--gray-400); }
.blog-footer-links a:hover { color: #fff; text-decoration: none; }
.blog-footer-copy {
  grid-column: 1 / -1;
  padding-top: 32px;
  margin-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  color: var(--gray-500);
  text-align: center;
}

@media (max-width: 640px) {
  .blog-footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .blog-footer-links { flex-wrap: wrap; }
}