/* ============================================================
   NaturAngola Artigos — na-artigos.css
   ============================================================ */

/* ── Variáveis ─────────────────────────────────────────── */
:root {
  --na-green:       #2d7a4f;
  --na-green-dark:  #1e5535;
  --na-green-light: #e8f5ee;
  --na-accent:      #f4ac2e;
  --na-gold:        #c9963a;
  --na-text:        #1a2e1f;
  --na-muted:       #6b7c6e;
  --na-border:      #d4e6da;
  --na-bg:          #f7fbf8;
  --na-white:       #ffffff;
  --na-radius:      12px;
  --na-shadow:      0 4px 24px rgba(45,122,79,.10);
  --na-shadow-hover:0 8px 36px rgba(45,122,79,.20);
  --na-font:        'Georgia', 'Times New Roman', serif;
  --na-font-ui:     'Segoe UI', system-ui, sans-serif;
}

/* ── Reset base ─────────────────────────────────────────── */
.na-wrapper *,
.na-home-wrapper *,
.na-single-wrapper * {
  box-sizing: border-box;
}

/* ============================================================
   FILTROS
   ============================================================ */
.ar-filtros {
  background: var(--na-white);
  border: 1px solid var(--na-border);
  border-radius: var(--na-radius);
  padding: 16px 20px;
  margin-bottom: 36px;
  box-shadow: var(--na-shadow);
}

.ar-filtros-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.ar-filtro-label {
  font-family: var(--na-font-ui);
  font-size: 13px;
  font-weight: 600;
  color: var(--na-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-right: 4px;
}

.ar-filtro-btn {
  font-family: var(--na-font-ui);
  font-size: 13px;
  font-weight: 500;
  padding: 7px 16px;
  border: 1.5px solid var(--na-border);
  border-radius: 50px;
  background: transparent;
  color: var(--na-muted);
  cursor: pointer;
  transition: all .22s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ar-filtro-btn:hover {
  border-color: var(--na-green);
  color: var(--na-green);
  background: var(--na-green-light);
}

.ar-filtro-btn.active {
  background: var(--na-green);
  border-color: var(--na-green);
  color: var(--na-white);
  box-shadow: 0 2px 10px rgba(45,122,79,.30);
}

/* ============================================================
   SECÇÃO TÍTULO
   ============================================================ */
.ar-conteudo { margin-bottom: 40px; }

.ar-section-title {
  margin-bottom: 28px;
}

.ar-section-title h2 {
  font-family: var(--na-font);
  font-size: clamp(22px, 4vw, 30px);
  color: var(--na-text);
  margin: 0 0 10px;
  font-weight: 700;
}

.ar-title-line {
  width: 56px;
  height: 4px;
  background: linear-gradient(90deg, var(--na-green), var(--na-gold));
  border-radius: 2px;
}

/* ============================================================
   GRID DE CARDS
   ============================================================ */
.ar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.ar-grid-home {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* ── Card ────────────────────────────────────────────────── */
.ar-card {
  background: var(--na-white);
  border-radius: var(--na-radius);
  overflow: hidden;
  box-shadow: var(--na-shadow);
  border: 1px solid var(--na-border);
  display: flex;
  flex-direction: column;
  transition: transform .28s ease, box-shadow .28s ease;
}

.ar-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--na-shadow-hover);
}

/* Imagem */
.ar-card-img {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--na-green-light);
}

.ar-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .40s ease;
  display: block;
}

.ar-card:hover .ar-card-img img {
  transform: scale(1.05);
}

/* Body */
.ar-card-body {
  padding: 20px 20px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ar-card-body h3 {
  font-family: var(--na-font);
  font-size: 18px;
  font-weight: 700;
  color: var(--na-text);
  margin: 0;
  line-height: 1.35;
}

.ar-card-body p {
  font-family: var(--na-font-ui);
  font-size: 14px;
  color: var(--na-muted);
  line-height: 1.6;
  margin: 0;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Categoria badge */
.ar-card-cat {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--na-font-ui);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  padding: 4px 10px;
  border-radius: 50px;
  width: fit-content;
}

.cat-biodiversidade { background: #e8f5ee; color: #2d7a4f; }
.cat-clima          { background: #e8f0fb; color: #3a5fc9; }
.cat-saude          { background: #fce8e8; color: #c93a3a; }
.cat-comunidades    { background: #fdf3e8; color: #c9763a; }
.cat-geologia       { background: #f0ece8; color: #7a5a2d; }
.cat-direito        { background: #f0e8fb; color: #6a3ac9; }

/* Meta (autor / data) */
.ar-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.ar-card-autor,
.ar-card-data {
  font-family: var(--na-font-ui);
  font-size: 12px;
  color: var(--na-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Footer card */
.ar-card-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--na-border);
}

.ar-ler-mais {
  font-family: var(--na-font-ui);
  font-size: 13px;
  font-weight: 600;
  color: var(--na-green);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: gap .2s ease, color .2s ease;
}

.ar-ler-mais:hover {
  color: var(--na-green-dark);
  gap: 11px;
}

/* Sem resultados */
.na-sem-resultados {
  grid-column: 1 / -1;
  text-align: center;
  font-family: var(--na-font-ui);
  color: var(--na-muted);
  padding: 48px 0;
  font-size: 15px;
}

/* Loading spinner */
.na-loading {
  text-align: center;
  padding: 32px;
  font-family: var(--na-font-ui);
  color: var(--na-green);
  font-size: 16px;
}

/* ============================================================
   PAGINAÇÃO
   ============================================================ */
.ar-paginacao {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.ar-pag-btn {
  font-family: var(--na-font-ui);
  font-size: 14px;
  font-weight: 600;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1.5px solid var(--na-border);
  background: var(--na-white);
  color: var(--na-muted);
  cursor: pointer;
  transition: all .20s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ar-pag-btn:hover:not(:disabled) {
  border-color: var(--na-green);
  color: var(--na-green);
  background: var(--na-green-light);
}

.ar-pag-btn.active {
  background: var(--na-green);
  border-color: var(--na-green);
  color: var(--na-white);
  box-shadow: 0 2px 10px rgba(45,122,79,.30);
}

.ar-pag-btn.arrow {
  width: 40px;
}

.ar-pag-btn:disabled {
  opacity: .35;
  cursor: not-allowed;
}

.na-pages {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ============================================================
   SINGLE ARTIGO
   ============================================================ */
.na-single-wrapper {
  max-width: 860px;
  margin: 0 auto;
  padding-bottom: 60px;
}

/* Hero */
.na-single-hero {
  width: 100%;
  min-height: 380px;
  background: var(--na-green-dark) center/cover no-repeat;
  border-radius: var(--na-radius);
  overflow: hidden;
  margin-bottom: 40px;
  position: relative;
}

.na-single-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,30,15,.85) 0%, rgba(10,30,15,.30) 60%, transparent 100%);
  display: flex;
  align-items: flex-end;
}

.na-single-hero-inner {
  padding: 36px 40px;
  width: 100%;
}

.na-single-cat {
  margin-bottom: 14px;
}

.na-single-title {
  font-family: var(--na-font);
  font-size: clamp(24px, 5vw, 38px);
  color: var(--na-white);
  margin: 0 0 16px;
  line-height: 1.2;
  font-weight: 700;
}

.na-single-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  color: rgba(255,255,255,.80);
  font-family: var(--na-font-ui);
  font-size: 14px;
}

.na-single-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Conteúdo */
.na-single-content-wrap {
  padding: 0 12px;
}

.na-single-content {
  font-family: var(--na-font);
  font-size: 17px;
  line-height: 1.85;
  color: var(--na-text);
}

.na-single-content p { margin-bottom: 1.4em; }
.na-single-content h2,
.na-single-content h3 {
  font-family: var(--na-font);
  color: var(--na-green-dark);
  margin: 1.6em 0 .6em;
}
.na-single-content img {
  max-width: 100%;
  border-radius: 8px;
  margin: 16px 0;
}
.na-single-content a {
  color: var(--na-green);
  text-decoration: underline;
}

/* Redes sociais */
.na-single-social {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 40px 0 20px;
  padding: 20px;
  background: var(--na-green-light);
  border-radius: var(--na-radius);
  border: 1px solid var(--na-border);
}

.na-social-label {
  font-family: var(--na-font-ui);
  font-size: 13px;
  font-weight: 700;
  color: var(--na-green-dark);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.na-social-btn {
  font-family: var(--na-font-ui);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 50px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: opacity .20s;
  color: #fff;
}
.na-social-btn:hover { opacity: .85; color: #fff; }
.na-fb { background: #1877f2; }
.na-tw { background: #000; }
.na-ig { background: linear-gradient(135deg,#f58529,#dd2a7b,#8134af); }
.na-yt { background: #ff0000; }

/* Botão voltar */
.na-single-back {
  margin-top: 16px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 600px) {
  .ar-grid,
  .ar-grid-home {
    grid-template-columns: 1fr;
  }

  .na-single-hero {
    min-height: 260px;
    border-radius: 8px;
  }

  .na-single-hero-inner {
    padding: 24px 20px;
  }

  .ar-filtros-inner {
    gap: 8px;
  }
}