/* ══════════════════════════════════════
   ARTIGOS.CSS — Estilo editorial/magazine
   Carbon Tracks
══════════════════════════════════════ */

/* ─── PROGRESS BAR ─── */
.read-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(to right, var(--moss-pale), var(--moss-light));
  z-index: 200;
  transition: width 0.1s linear;
}

/* ─── HERO DO ARTIGO ─── */
.art-hero {
  position: relative;
  height: 92vh;
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding: 0;
}
.art-hero-img {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  transition: transform 6s ease;
}
.art-hero:hover .art-hero-img { transform: scale(1); }
.art-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(20,30,20,0.2) 0%,
    rgba(20,30,20,0.5) 50%,
    rgba(20,30,20,0.92) 100%
  );
}
.art-hero-content {
  position: relative; z-index: 2;
  max-width: 900px;
  padding: 0 80px 72px;
  width: 100%;
}
.art-back {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--moss-mist);
  text-decoration: none;
  margin-bottom: 20px;
  transition: color 0.3s;
}
.art-back:hover { color: var(--cream); }
.art-category {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--moss-pale);
  background: rgba(143,175,130,0.15);
  border: 1px solid rgba(143,175,130,0.3);
  padding: 5px 14px;
  border-radius: 2px;
  margin-bottom: 20px;
}
.art-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  font-weight: 400;
  color: var(--cream);
  line-height: 1.1;
  margin-bottom: 20px;
  animation: fadeUp 0.8s ease both;
  max-width: 800px;
}
.art-meta {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  font-size: 0.78rem;
  color: var(--moss-mist);
  letter-spacing: 0.06em;
  animation: fadeUp 0.8s 0.2s ease both;
}
.art-meta i { margin-right: 5px; font-size: 0.72rem; }
.art-dot { color: var(--moss-pale); }

/* ─── LAYOUT PRINCIPAL ─── */
.art-main {
  background: var(--white);
  display: grid;
  grid-template-columns: 260px 1fr;
  max-width: 1200px;
  margin: 0 auto;
  gap: 60px;
  padding: 72px 60px 100px;
  align-items: start;
}

/* ─── ASIDE / ÍNDICE ─── */
.art-toc {
  position: sticky;
  top: 100px;
  background: var(--text-dark);
  border-radius: 8px;
  padding: 28px 24px;
}
.toc-title {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--moss-pale);
  margin-bottom: 16px;
  font-weight: 500;
}
.art-toc ul {
  list-style: none;
  display: flex; flex-direction: column; gap: 4px;
  margin-bottom: 32px;
}
.toc-link {
  display: block;
  font-size: 0.82rem;
  color: var(--moss-light);
  text-decoration: none;
  padding: 7px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 4px 4px 0;
  transition: all 0.25s;
  line-height: 1.4;
}
.toc-link:hover { color: var(--cream); border-left-color: var(--moss-pale); background: rgba(143,175,130,0.06); }
.toc-link.active { color: var(--cream); border-left-color: var(--moss-pale); background: rgba(143,175,130,0.1); }
.toc-related { border-top: 1px solid rgba(143,175,130,0.15); padding-top: 20px; }
.toc-related-title {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moss-pale);
  margin-bottom: 14px;
  font-weight: 500;
}
.toc-related-card {
  display: flex; gap: 10px; align-items: flex-start;
  text-decoration: none;
  margin-bottom: 14px;
  transition: opacity 0.3s;
}
.toc-related-card:hover { opacity: 0.75; }
.toc-related-img {
  width: 52px; height: 40px; flex-shrink: 0;
  border-radius: 4px;
  background-size: cover;
  background-position: center;
}
.toc-related-card span {
  font-size: 0.78rem;
  color: var(--moss-mist);
  line-height: 1.4;
}

/* ─── CORPO DO ARTIGO ─── */
.art-body {
  min-width: 0;
}
.art-body section {
  margin-bottom: 56px;
  padding: 0;
}
.art-lead {
  font-family: 'Libre Baskerville', serif;
  font-size: 1.2rem;
  color: var(--text-dark);
  line-height: 1.8;
  margin-bottom: 24px;
  font-weight: 400;
}
.art-body p {
  font-size: 1rem;
  color: #3a4a3c;
  line-height: 1.85;
  margin-bottom: 20px;
}
.art-body strong { color: var(--moss-mid); }
.art-body em { font-style: italic; color: var(--text-light); }

.art-h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 20px;
  margin-top: 8px;
  line-height: 1.2;
}

/* ─── IMAGEM DESTAQUE ─── */
.art-highlight-img {
  margin: 0 -20px 52px;
  border-radius: 8px;
  overflow: hidden;
}
.art-highlight-img img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.art-highlight-img:hover img { transform: scale(1.02); }
.art-img-caption {
  padding: 12px 20px;
  font-size: 0.78rem;
  color: var(--text-light);
  background: var(--cream-dark);
  letter-spacing: 0.04em;
  font-style: italic;
}

/* ─── CARDS GRID ─── */
.art-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 28px 0;
}
.art-card {
  background: var(--cream);
  border: 1px solid var(--cream-dark);
  border-radius: 8px;
  padding: 24px 20px;
  transition: all 0.3s;
}
.art-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(44,59,45,0.1);
  border-color: var(--moss-mist);
}
.art-card--dark {
  background: var(--text-dark);
  border-color: rgba(143,175,130,0.15);
}
.art-card--dark .art-card-title { color: var(--cream); }
.art-card--dark .art-card-text { color: var(--moss-mist); }
.art-card-icon { font-size: 1.8rem; margin-bottom: 10px; }
.art-card-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.art-card-text { font-size: 0.85rem; color: var(--text-light); line-height: 1.6; }

/* ─── CRITÉRIOS NUMERADOS ─── */
.art-criteria {
  display: flex; flex-direction: column; gap: 0;
  margin: 24px 0;
  border: 1px solid var(--cream-dark);
  border-radius: 8px;
  overflow: hidden;
}
.art-criterion {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 22px 24px;
  border-bottom: 1px solid var(--cream-dark);
  background: var(--white);
  transition: background 0.3s;
}
.art-criterion:last-child { border-bottom: none; }
.art-criterion:hover { background: var(--cream); }
.art-criterion-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--moss-pale);
  line-height: 1;
  min-width: 36px;
  flex-shrink: 0;
}
.art-criterion-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 4px;
}
.art-criterion p {
  font-size: 0.88rem !important;
  margin-bottom: 0 !important;
  color: var(--text-light) !important;
  line-height: 1.6 !important;
}

/* ─── PULLQUOTE ─── */
.art-pullquote {
  border-left: 3px solid var(--moss-pale);
  margin: 36px 0;
  padding: 20px 28px;
  background: var(--cream);
  border-radius: 0 8px 8px 0;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.35rem;
  font-style: italic;
  color: var(--moss-mid);
  line-height: 1.6;
}
.art-pullquote--light {
  background: rgba(143,175,130,0.06);
  border-left-color: var(--moss-light);
  color: var(--text-dark);
}

/* ─── FATORES ─── */
.art-factors {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 14px; margin: 28px 0;
}
.art-factor {
  background: var(--text-dark);
  border: 1px solid rgba(143,175,130,0.15);
  border-radius: 8px;
  padding: 24px 20px;
  transition: all 0.3s;
}
.art-factor:hover {
  border-color: rgba(143,175,130,0.4);
  transform: translateY(-4px);
}
.art-factor-tag {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.4rem;
  font-weight: 300;
  color: rgba(143,175,130,0.25);
  line-height: 1;
  margin-bottom: 10px;
}
.art-factor h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 8px;
}
.art-factor p {
  font-size: 0.85rem !important;
  color: var(--moss-mist) !important;
  line-height: 1.6 !important;
  margin-bottom: 0 !important;
}

/* ─── DESAFIOS ─── */
.art-challenges {
  display: flex; flex-direction: column; gap: 10px;
  margin: 24px 0;
}
.art-challenge {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 20px;
  background: #fff8f5;
  border: 1px solid #f0d5c8;
  border-radius: 6px;
  font-size: 0.9rem;
  color: #7a4030;
}
.art-challenge i { color: #c06040; font-size: 0.85rem; flex-shrink: 0; }
.art-challenges--positive .art-challenge,
.art-challenge--positive {
  background: #f2f8f0;
  border-color: var(--moss-mist);
  color: var(--moss-mid);
}
.art-challenge--positive i { color: var(--moss-light); }

/* ─── ALERT BOX ─── */
.art-alert {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px 24px;
  background: #f5f8f0;
  border: 1px solid var(--moss-mist);
  border-left: 4px solid var(--moss-light);
  border-radius: 0 8px 8px 0;
  margin: 24px 0;
  font-size: 0.9rem;
  color: var(--text-dark);
  line-height: 1.7;
}
.art-alert i { color: var(--moss-light); font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.art-alert--green {
  background: #f0f8f0;
  border-color: var(--moss-pale);
  border-left-color: var(--moss-mid);
}

/* ─── BIG CRITERION (artigo 3) ─── */
.art-big-criterion {
  display: flex; gap: 28px; align-items: flex-start;
  margin-bottom: 56px;
}
.art-big-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 5rem;
  font-weight: 300;
  color: var(--moss-mist);
  line-height: 1;
  flex-shrink: 0;
  width: 72px;
  text-align: right;
  padding-top: 4px;
}
.art-big-content { flex: 1; min-width: 0; }

/* ─── COMPARATIVO (artigo 3) ─── */
.art-compare {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 14px; margin: 24px 0;
}
.art-compare-col {
  border-radius: 8px;
  padding: 24px 20px;
}
.art-compare-good {
  background: #f2f8f0;
  border: 1px solid var(--moss-mist);
}
.art-compare-bad {
  background: #fdf8f2;
  border: 1px solid #e8d8c0;
}
.art-compare-label {
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 14px;
  color: var(--text-light);
}
.art-compare-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.art-compare p {
  font-size: 0.85rem !important;
  color: var(--text-light) !important;
  line-height: 1.6 !important;
  margin-bottom: 0 !important;
}

/* ─── ESG STEPS (artigo 3) ─── */
.art-esg-steps {
  display: flex; flex-direction: column; align-items: flex-start;
  gap: 0; margin: 24px 0;
}
.art-esg-step {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--cream);
  border: 1px solid var(--cream-dark);
  border-radius: 8px;
  padding: 18px 22px;
  width: 100%;
  transition: all 0.3s;
}
.art-esg-step:hover { background: var(--cream-dark); }
.art-esg-step--highlight {
  background: var(--moss-light);
  border-color: var(--moss-light);
}
.art-esg-step--highlight .art-esg-step-num,
.art-esg-step--highlight .art-esg-step-text,
.art-esg-step--highlight strong { color: var(--cream) !important; }
.art-esg-step-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--moss-pale);
  flex-shrink: 0;
  min-width: 32px;
}
.art-esg-step-text {
  font-size: 0.95rem;
  color: var(--text-dark);
  line-height: 1.6;
  padding-top: 2px;
}
.art-esg-arrow {
  color: var(--moss-pale);
  font-size: 0.9rem;
  padding: 6px 0 6px 22px;
  opacity: 0.6;
}

/* ─── CONCLUSÃO ─── */
.art-conclusion {
  background: var(--text-dark);
  border-radius: 10px;
  padding: 36px 40px;
  margin: 48px 0;
}
.art-conclusion p {
  font-family: 'Libre Baskerville', serif;
  font-size: 1.1rem !important;
  color: var(--moss-mist) !important;
  line-height: 1.8 !important;
  margin-bottom: 0 !important;
}
.art-conclusion strong { color: var(--moss-pale) !important; }

/* ─── CTA ─── */
.art-cta {
  background: linear-gradient(135deg, var(--moss-mid), var(--moss-deep));
  border-radius: 10px;
  padding: 44px 40px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px;
  margin: 56px 0 48px;
  flex-wrap: wrap;
}
.art-cta-text h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 8px;
}
.art-cta-text p {
  font-size: 0.9rem !important;
  color: var(--moss-mist) !important;
  margin-bottom: 0 !important;
  line-height: 1.6 !important;
}

/* ─── NAVEGAÇÃO ENTRE ARTIGOS ─── */
.art-nav-posts {
  display: flex; justify-content: space-between; gap: 20px;
  border-top: 1px solid var(--cream-dark);
  padding-top: 40px;
  margin-top: 8px;
}
.art-nav-prev, .art-nav-next {
  display: flex; flex-direction: column; gap: 6px;
  text-decoration: none;
  max-width: 48%;
  transition: opacity 0.3s;
}
.art-nav-next { text-align: right; margin-left: auto; }
.art-nav-prev:hover, .art-nav-next:hover { opacity: 0.7; }
.art-nav-label {
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-light);
}
.art-nav-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.3;
}

/* ══════════════════════════════════════
   RESPONSIVO — TABLET
══════════════════════════════════════ */
@media (max-width: 1024px) {
  .art-main {
    grid-template-columns: 1fr;
    padding: 48px 40px 80px;
    gap: 0;
  }
  .art-toc {
    position: static;
    margin-bottom: 48px;
    display: flex; flex-wrap: wrap; gap: 24px;
    align-items: flex-start;
  }
  .art-toc ul { flex-direction: row; flex-wrap: wrap; gap: 6px; margin-bottom: 0; }
  .toc-link { border-left: none; border-bottom: 2px solid transparent; border-radius: 4px 4px 0 0; padding: 5px 10px; }
  .toc-link.active, .toc-link:hover { border-left: none; border-bottom-color: var(--moss-pale); }
  .toc-related { border-top: none; padding-top: 0; border-left: 1px solid rgba(143,175,130,0.15); padding-left: 24px; }
  .art-hero-content { padding: 0 40px 56px; }
  .art-factors { grid-template-columns: 1fr; }
  .art-big-criterion { flex-direction: column; gap: 12px; }
  .art-big-num { font-size: 3.5rem; width: auto; text-align: left; }
}

/* ══════════════════════════════════════
   RESPONSIVO — MOBILE
══════════════════════════════════════ */
@media (max-width: 768px) {
  .art-hero { height: 80vh; min-height: 480px; }
  .art-hero-content { padding: 0 20px 44px; }
  .art-title { font-size: 1.9rem; }
  .art-main { padding: 36px 20px 60px; }
  .art-toc { flex-direction: column; }
  .art-toc ul { flex-direction: column; }
  .toc-related { border-left: none; padding-left: 0; border-top: 1px solid rgba(143,175,130,0.15); padding-top: 16px; }
  .art-highlight-img { margin: 0 0 40px; }
  .art-highlight-img img { height: 240px; }
  .art-cards-grid { grid-template-columns: 1fr; }
  .art-factors { grid-template-columns: 1fr; }
  .art-compare { grid-template-columns: 1fr; }
  .art-cta { flex-direction: column; padding: 28px 24px; }
  .art-cta .btn-primary { width: 100%; text-align: center; }
  .art-nav-posts { flex-direction: column; }
  .art-nav-next { text-align: left; margin-left: 0; max-width: 100%; }
  .art-nav-prev { max-width: 100%; }
  .art-h2 { font-size: 1.6rem; }
  .art-pullquote { font-size: 1.1rem; padding: 16px 20px; }
  .art-conclusion { padding: 24px 20px; }
  .art-big-criterion { gap: 8px; }
  .art-big-num { font-size: 2.8rem; }
}

/* ─── ARTIGO 4 — BLOCO SUBTÍTULO ─── */
.art-subtitle-block {
  background: linear-gradient(135deg, var(--moss-mid), var(--moss-deep));
  border-radius: 8px;
  padding: 28px 32px;
  margin: 32px 0;
  border-left: 4px solid var(--moss-pale);
}
.art-subtitle-block p {
  font-family: 'Libre Baskerville', serif;
  font-size: 1.1rem !important;
  color: var(--cream) !important;
  line-height: 1.75 !important;
  margin-bottom: 0 !important;
}
.art-subtitle-block strong { color: var(--moss-pale) !important; }

/* ─── ARTIGO 4 — DADO ESTATÍSTICO ─── */
.art-stat-block {
  display: flex;
  align-items: center;
  gap: 28px;
  background: var(--cream);
  border: 1px solid var(--cream-dark);
  border-radius: 10px;
  padding: 28px 32px;
  margin: 36px 0;
}
.art-stat-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 5rem;
  font-weight: 300;
  color: var(--moss-mid);
  line-height: 1;
  flex-shrink: 0;
}
.art-stat-text {
  font-size: 1rem;
  color: var(--text-dark);
  line-height: 1.65;
}
@media (max-width: 768px) {
  .art-stat-block { flex-direction: column; gap: 12px; text-align: center; padding: 24px 20px; }
  .art-stat-num { font-size: 3.5rem; }
  .art-subtitle-block { padding: 22px 20px; }
}