/* ============================================================
   BLOG — Folha de estilos específica
   Herda o design system da landing page (variáveis CSS do style.css)
   Importado após style.css nas páginas de blog
============================================================ */

/* ── Variáveis locais (extende o design system) ─────────────── */
:root {
  --card-radius: 16px;
  --tag-radius:  50px;
  --content-max: 720px;
}

.blog-post-page {
  min-height: 100vh;
  overflow-y: auto;
}

/* ── Hero do blog ────────────────────────────────────────────── */
.blog-hero {
  padding-top: calc(72px + clamp(48px, 6vw, 80px));
  padding-bottom: clamp(48px, 6vw, 80px);
  background: linear-gradient(160deg, var(--bg) 60%, var(--beige) 100%);
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: var(--beige);
  top: -80px;
  right: -80px;
  opacity: 0.6;
  pointer-events: none;
}

.blog-hero-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 640px;
}

.blog-hero-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1.2;
  color: var(--text);
}

.blog-hero-title em {
  font-style: italic;
  color: var(--green-dark);
}

.blog-hero-sub {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* ── Barra de busca + filtros ────────────────────────────────── */
.blog-toolbar {
  padding: clamp(24px, 4vw, 40px) 0;
  border-bottom: 1px solid var(--neutral);
}

.blog-toolbar-inner {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

/* Campo de busca */
.blog-search-wrap {
  position: relative;
  flex: 1;
  min-width: 220px;
}

.blog-search-wrap svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.blog-search {
  width: 100%;
  padding: 12px 16px 12px 44px;
  border: 1.5px solid var(--neutral);
  border-radius: var(--tag-radius);
  background: var(--white);
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.blog-search:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(111, 143, 114, 0.12);
}

.blog-search::placeholder {
  color: var(--text-muted);
}

/* Filtros de categoria */
.blog-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.blog-filter-btn {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 8px 18px;
  border-radius: var(--tag-radius);
  border: 1.5px solid var(--neutral);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.blog-filter-btn:hover {
  border-color: var(--green);
  color: var(--green-dark);
}

.blog-filter-btn.active {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: var(--white);
}

/* ── Grid de posts ───────────────────────────────────────────── */
.blog-main {
  padding: clamp(40px, 6vw, 72px) 0 var(--section-py);
}

.blog-results-info {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  min-height: 20px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: clamp(20px, 3vw, 32px);
}

/* ── Card de post ────────────────────────────────────────────── */
.post-card {
  background: var(--white);
  border-radius: var(--card-radius);
  border: 1px solid var(--neutral);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition),
              border-color var(--transition);
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

/* Thumbnail */
.post-card-thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--beige) 0%, var(--neutral) 100%);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.post-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.post-card:hover .post-card-thumb img {
  transform: scale(1.04);
}

/* Placeholder quando não há imagem */
.post-card-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--beige) 0%, var(--neutral) 100%);
}

.post-card-thumb-placeholder svg {
  opacity: 0.2;
}

/* Conteúdo do card */
.post-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.post-card-cat {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-dark);
  background: rgba(111, 143, 114, 0.10);
  padding: 4px 12px;
  border-radius: var(--tag-radius);
}

.post-card-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.post-card-read {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.post-card-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--neutral);
  flex-shrink: 0;
}

.post-card-title {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--text);
  transition: color var(--transition);
}

.post-card:hover .post-card-title {
  color: var(--green-dark);
}

.post-card-excerpt {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--neutral);
}

.post-tag {
  font-size: 0.68rem;
  color: var(--text-muted);
  background: var(--beige);
  padding: 3px 10px;
  border-radius: var(--tag-radius);
}

.post-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--green-dark);
  margin-top: 4px;
  transition: gap var(--transition);
}

.post-card-link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition);
}

.post-card:hover .post-card-link {
  gap: 10px;
}

.post-card:hover .post-card-link svg {
  transform: translateX(2px);
}

/* ── Skeleton de carregamento ────────────────────────────────── */
@keyframes shimmer {
  0%   { background-position: -600px 0; }
  100% { background-position: 600px 0; }
}

.post-card-skeleton {
  background: var(--white);
  border-radius: var(--card-radius);
  border: 1px solid var(--neutral);
  overflow: hidden;
  height: 360px;
}

.post-card-skeleton::after {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--beige) 0px,
    var(--neutral) 120px,
    var(--beige) 240px
  );
  background-size: 600px 100%;
  animation: shimmer 1.6s infinite linear;
}

/* ── Estado vazio (sem resultados) ───────────────────────────── */
.blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.blog-empty svg {
  opacity: 0.2;
  width: 48px;
  height: 48px;
}

.blog-empty-title {
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--text);
}

.blog-empty-sub {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ── Paginação ───────────────────────────────────────────────── */
.blog-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: clamp(40px, 6vw, 64px);
}

.page-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1.5px solid var(--neutral);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.page-btn:hover,
.page-btn.active {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: var(--white);
}

.page-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ── CTA do blog ─────────────────────────────────────────────── */
.blog-cta {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 100%);
  padding: clamp(48px, 6vw, 80px) 0;
  text-align: center;
}

.blog-cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  max-width: 520px;
  margin-inline: auto;
}

.blog-cta-eyebrow {
  color: rgba(255,255,255,0.7);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.blog-cta-eyebrow::before,
.blog-cta-eyebrow::after { color: rgba(255,255,255,0.5); }

.blog-cta-title {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 500;
  color: var(--white);
  line-height: 1.3;
}

.blog-cta-sub {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
}

.btn-light {
  background: var(--white);
  color: var(--green-dark);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--tag-radius);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.btn-light:hover {
  background: var(--beige);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0,0,0,0.2);
}

/* ╔══════════════════════════════════════════════════════════════
   POST INDIVIDUAL
══════════════════════════════════════════════════════════════╗ */

/* Breadcrumb / voltar */
.post-back {
  padding-top: calc(72px + 24px);
  padding-bottom: 0;
}

.post-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition), gap var(--transition);
}

.post-back-link:hover {
  color: var(--green-dark);
  gap: 12px;
}

.post-back-link svg {
  width: 14px;
  height: 14px;
}

/* Header do post */
.post-header {
  padding: clamp(32px, 5vw, 56px) 0 clamp(24px, 4vw, 40px);
}

.post-header-inner {
  max-width: var(--content-max);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.post-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.post-title {
  font-family: var(--serif);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 500;
  line-height: 1.2;
  color: var(--text);
}

.post-excerpt-lead {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-muted);
  line-height: 1.75;
  border-left: 3px solid var(--green);
  padding-left: 20px;
}

/* Imagem principal */
.post-cover {
  width: 100%;
  max-width: var(--content-max);
  aspect-ratio: 16/9;
  border-radius: var(--card-radius);
  overflow: hidden;
  margin-bottom: clamp(32px, 5vw, 56px);
  background: linear-gradient(135deg, var(--beige), var(--neutral));
}

.post-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-cover-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.post-cover-placeholder svg {
  opacity: 0.15;
  width: 72px;
  height: 72px;
}

/* Conteúdo do post */
.post-body {
  padding-bottom: var(--section-py);
  overflow: visible;
}

.post-content {
  max-width: var(--content-max);
  font-size: clamp(1rem, 1.4vw, 1.05rem);
  line-height: 1.85;
  color: var(--text);
  max-height: none;
  overflow: visible;
}

.post-content h2 {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 500;
  color: var(--text);
  margin-top: 2.5em;
  margin-bottom: 0.75em;
  line-height: 1.3;
}

.post-content h3 {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  font-weight: 500;
  color: var(--green-dark);
  margin-top: 2em;
  margin-bottom: 0.6em;
}

.post-content p {
  margin-bottom: 1.25em;
}

.post-content ul,
.post-content ol {
  margin: 1em 0 1.5em 1.5em;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.post-content ul { list-style: disc; }
.post-content ol { list-style: decimal; }

.post-content li {
  padding-left: 4px;
}

.post-content blockquote {
  margin: 2em 0;
  padding: 24px 28px;
  background: var(--beige);
  border-left: 4px solid var(--green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--green-dark);
  line-height: 1.65;
}

.post-content strong {
  font-weight: 600;
  color: var(--text);
}

.post-content em {
  font-style: italic;
  color: var(--green-dark);
}

/* Tags do post */
.post-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 3em;
  padding-top: 24px;
  border-top: 1px solid var(--neutral);
}

.post-tags-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  align-self: center;
  margin-right: 4px;
}

/* Posts relacionados */
.post-related {
  padding: clamp(40px, 6vw, 72px) 0;
  background: var(--beige);
}

.post-related-header {
  margin-bottom: 32px;
}

.post-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

/* ── Footer do blog (herdado da landing, simplificado) ────────── */
.blog-footer {
  background: var(--text);
  color: var(--white);
  padding: clamp(32px, 5vw, 56px) 0;
}

.blog-footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.blog-footer-logo-name {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.blog-footer-logo-sub {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
}

.blog-footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.blog-footer-nav a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.blog-footer-nav a:hover {
  color: var(--white);
}

.blog-footer-bottom {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  margin-top: 8px;
}

/* ── Barra de progresso de leitura ───────────────────────────── */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--green-dark), var(--green));
  z-index: 200;
  transition: width 0.1s linear;
  pointer-events: none;
}

/* ── Nav active state (página atual) ────────────────────────── */
.nav-active {
  color: var(--green-dark) !important;
  font-weight: 500 !important;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 860px) {
  .blog-toolbar-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .blog-search-wrap {
    min-width: unset;
  }

  .blog-filters {
    justify-content: flex-start;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .post-related-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .post-content blockquote {
    padding: 16px 20px;
  }

  .blog-filters {
    gap: 6px;
  }

  .blog-filter-btn {
    padding: 6px 14px;
    font-size: 0.7rem;
  }
}