/* ============================================================
   ARTIGO — Página de Artigo Individual
   Advocacia & Associados
   ============================================================ */

/* ── Hero do Artigo ────────────────────────────────────────── */
.article-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: flex-end;
  padding-top: var(--header-height);
  overflow: hidden;
}

.article-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease-out;
}

.article-hero__bg.loaded {
  transform: scale(1);
}

.article-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(45,44,44,0.3) 0%,
    rgba(45,44,44,0.6) 40%,
    rgba(45,44,44,0.95) 100%
  );
}

.article-hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: var(--sp-16) 0 var(--sp-12);
}

.article-hero__category {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  background: var(--color-gold);
  color: var(--color-dark-bg);
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--sp-6);
}

.article-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 500;
  color: var(--color-off-white);
  line-height: 1.2;
  max-width: 900px;
  margin-bottom: var(--sp-6);
}

.article-hero__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  color: rgba(243,237,228,0.7);
  font-size: var(--fs-sm);
}

.article-hero__meta-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.article-hero__meta-item svg {
  width: 16px;
  height: 16px;
  opacity: 0.6;
}

/* ── Barra de Progresso ────────────────────────────────────── */
.article-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
  z-index: 9999;
  transition: width 0.1s linear;
}

/* ── TOC (Sumário) ─────────────────────────────────────────── */
.article-layout {
  display: flex;
  gap: var(--sp-12);
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--sp-8);
}

.article-toc {
  width: 240px;
  flex-shrink: 0;
}

.article-toc__inner {
  position: sticky;
  top: calc(var(--header-height) + var(--sp-8));
  padding: var(--sp-6);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.article-toc__title {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-dark-deep);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 2px solid var(--color-gold);
}

.article-toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.article-toc__list li {
  margin-bottom: var(--sp-2);
}

.article-toc__list a {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-taupe);
  text-decoration: none;
  line-height: 1.5;
  padding: var(--sp-1) 0;
  padding-left: var(--sp-3);
  border-left: 2px solid transparent;
  transition: all var(--transition-base);
}

.article-toc__list a:hover,
.article-toc__list a.active {
  color: var(--color-gold);
  border-left-color: var(--color-gold);
}

.article-toc__toggle {
  display: none;
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: var(--color-white);
  border: 1px solid var(--color-light);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-dark-deep);
  cursor: pointer;
  text-align: left;
  margin-bottom: var(--sp-4);
}

.article-toc__toggle::after {
  content: '▼';
  float: right;
  font-size: 10px;
  transition: transform var(--transition-base);
}

.article-toc__toggle.open::after {
  transform: rotate(180deg);
}

/* ── Conteúdo do Artigo ────────────────────────────────────── */
.article-body-wrapper {
  padding: var(--sp-16) 0 var(--sp-20);
  background: var(--color-off-white);
}

.article-body {
  flex: 1;
  min-width: 0;
  max-width: 720px;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--color-dark);
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 500;
  margin-top: var(--sp-12);
  margin-bottom: var(--sp-4);
  color: var(--color-dark-deep);
  position: relative;
  padding-bottom: var(--sp-3);
  scroll-margin-top: calc(var(--header-height) + var(--sp-6));
}

.article-body h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--color-gold);
}

.article-body h3 {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  margin-top: var(--sp-8);
  margin-bottom: var(--sp-3);
  scroll-margin-top: calc(var(--header-height) + var(--sp-6));
}

.article-body p {
  margin-bottom: var(--sp-5);
}

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--sp-8) 0;
  box-shadow: var(--shadow-lg);
}

.article-body blockquote {
  border-left: 3px solid var(--color-gold);
  padding: var(--sp-6) var(--sp-8);
  margin: var(--sp-8) 0;
  background: rgba(201,162,94,0.06);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-taupe);
  font-size: 1.1rem;
}

.article-body ul,
.article-body ol {
  margin-bottom: var(--sp-5);
  padding-left: var(--sp-6);
}

.article-body li {
  margin-bottom: var(--sp-3);
  padding-left: var(--sp-2);
}

.article-body li::marker {
  color: var(--color-gold);
}

/* ── Compartilhar ──────────────────────────────────────────── */
.article-share {
  max-width: 720px;
  margin: var(--sp-12) auto 0;
  padding: var(--sp-8);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.article-share__label {
  font-family: var(--font-display);
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--color-dark-deep);
}

.article-share__buttons {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border: 1px solid var(--color-light);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-decoration: none;
  color: var(--color-dark);
  transition: all var(--transition-base);
  background: transparent;
}

.share-btn:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: rgba(201,162,94,0.05);
}

.share-btn svg {
  width: 14px;
  height: 14px;
}

/* ── Artigos Relacionados ──────────────────────────────────── */
.related-articles {
  padding: var(--sp-16) 0;
  background: var(--color-off-white);
}

.related-articles .section-label {
  text-align: center;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
  margin-top: var(--sp-8);
}

.related-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.related-card__image {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.related-card__body {
  padding: var(--sp-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.related-card__category {
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  margin-bottom: var(--sp-3);
}

.related-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--color-dark-deep);
  line-height: 1.4;
  margin-bottom: var(--sp-3);
  flex: 1;
}

.related-card__date {
  font-size: var(--fs-xs);
  color: var(--color-taupe);
}

/* ── Voltar ────────────────────────────────────────────────── */
.article-back {
  max-width: 720px;
  margin: var(--sp-10) auto 0;
  text-align: center;
}

/* ── Botão Voltar ao Topo ──────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--color-gold);
  color: var(--color-dark-bg);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  box-shadow: 0 4px 16px rgba(201,162,94,0.4);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-gold-light);
  transform: translateY(-3px);
}

/* ── Header Artigo (sobre hero) ────────────────────────────── */
.site-header--article {
  background: transparent;
  position: absolute;
  z-index: 100;
  width: 100%;
}

.site-header--article .logo-text__name,
.site-header--article .logo-text__tagline {
  color: var(--color-off-white);
}

.site-header--article .logo-text__tagline {
  color: rgba(243,237,228,0.7);
}

/* ── Responsivo ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .article-toc {
    display: none;
  }

  .article-toc.mobile-open {
    display: block;
    width: 100%;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    z-index: 90;
    padding: var(--sp-4);
    background: var(--color-off-white);
    box-shadow: var(--shadow-md);
  }

  .article-toc.mobile-open .article-toc__inner {
    position: static;
  }

  .article-toc__toggle {
    display: block;
  }

  .article-layout {
    padding: 0 var(--sp-4);
  }

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

@media (max-width: 768px) {
  .article-hero {
    min-height: 50vh;
  }

  .article-hero__content {
    padding: var(--sp-10) 0 var(--sp-8);
  }

  .article-hero__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-3);
  }

  .article-share {
    flex-direction: column;
    text-align: center;
  }

  .article-share__buttons {
    justify-content: center;
  }

  .article-body {
    font-size: 1rem;
  }

  .article-body h2 {
    font-size: var(--fs-lg);
  }
}