/**
 * KB Article Insight - Página de leitura de artigos (spec Novidades & Insights)
 * Aplicado quando action=article no knowledgebase.tpl
 */

/* ============================================================================
   TOKENS
   ============================================================================ */
.kb-article-insight {
  --neutral-900: #1d1d1f;
  --neutral-700: #374151;
  --neutral-600: #6b7280;
  --neutral-500: #6e6e73;
  --neutral-400: #9ca3af;
  --neutral-300: #d1d5db;
  --neutral-100: #f3f4f6;
  --neutral-75: #f9fafb;
  --accent-highlight: #030A8C;
  --cloud-space: #4B0082;
  --virtual-machines: #C6D748;
  --virtual-machines-dark: #5a6300;
  --hugetalk: #25D366;
  --hugetalk-dark: #0d5c2e;
  --ease-apple: cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* ============================================================================
   LAYOUT CONTAINER
   ============================================================================ */
.kb-article-insight {
  background: var(--neutral-75);
  min-height: 100vh;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================================
   BREADCRUMB
   ============================================================================ */
.kb-article-insight .article-hero {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 20px 0;
  font-size: 13px;
}

.kb-article-insight .article-hero-back {
  color: var(--neutral-600) !important;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.kb-article-insight .article-hero-back:hover {
  color: var(--neutral-900) !important;
}

.kb-article-insight .article-hero-back svg {
  width: 14px;
  height: 14px;
}

.kb-article-insight .article-hero-sep {
  color: var(--neutral-400);
}

.kb-article-insight .article-hero-badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 5px 14px;
  border-radius: 9999px;
  color: #fff;
}

.kb-article-insight .article-badge-cloud { background: var(--cloud-space); }
.kb-article-insight .article-badge-vm { background: var(--virtual-machines-dark); }
.kb-article-insight .article-badge-hugetalk { background: var(--hugetalk-dark); }
.kb-article-insight .article-badge-accent { background: var(--accent-highlight); }

/* ============================================================================
   HERO IMAGE
   ============================================================================ */
.kb-article-insight .article-hero-image-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 16px 16px 0 0;
  height: 420px;
}

.kb-article-insight .article-hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.kb-article-insight .article-hero-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.55) 100%);
}

.kb-article-insight .article-hero-image-badge {
  position: absolute;
  bottom: 20px;
  left: 24px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 5px 14px;
  border-radius: 9999px;
  color: #fff;
}

/* ============================================================================
   ARTICLE BODY + TOC LAYOUT
   ============================================================================ */
.kb-article-insight .article-body-wrap {
  display: flex;
  gap: 48px;
  align-items: flex-start;
}

.kb-article-insight .article-main {
  flex: 1;
  min-width: 0;
  background: #fff;
  border-radius: 0 0 16px 16px;
  padding: 40px 48px 80px;
  max-width: 720px;
}

/* ============================================================================
   META, TITLE, LEAD
   ============================================================================ */
.kb-article-insight .article-meta {
  font-size: 13px;
  color: var(--neutral-500);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.kb-article-insight .article-meta .meta-sep {
  color: var(--neutral-300);
}

.kb-article-insight .article-title-h1 {
  font-size: 36px;
  font-weight: 600;
  color: var(--neutral-900);
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 640px;
  margin-top: 16px;
  margin-bottom: 0;
}

.kb-article-insight .article-lead {
  font-size: 18px;
  color: var(--neutral-600);
  line-height: 1.65;
  border-left: 3px solid var(--accent-highlight);
  padding-left: 20px;
  margin: 24px 0 32px;
}

.kb-article-insight .article-body-separator {
  height: 1px;
  background: var(--neutral-100);
  margin-bottom: 32px;
}

/* ============================================================================
   BODY SECTIONS
   ============================================================================ */
.kb-article-insight .article-body-content h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--neutral-900);
  margin: 40px 0 16px;
  scroll-margin-top: 160px;
}

.kb-article-insight .article-body-content h2:first-child {
  margin-top: 0;
}

.kb-article-insight .article-body-content p {
  font-size: 16px;
  color: var(--neutral-700);
  line-height: 1.75;
  max-width: 660px;
  margin-bottom: 20px;
}

.kb-article-insight .article-callout {
  background: var(--neutral-75);
  border: 1px solid var(--neutral-100);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 8px 0 28px;
  font-size: 14px;
  color: var(--neutral-700);
  line-height: 1.6;
}

/* ============================================================================
   CTA DO PRODUTO
   ============================================================================ */
.kb-article-insight .article-cta {
  margin-top: 56px;
  border-radius: 16px;
  padding: 32px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  border: 1px solid var(--neutral-100);
}

.kb-article-insight .article-cta-left {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.kb-article-insight .article-cta-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.kb-article-insight .article-cta-icon svg {
  width: 18px;
  height: 18px;
}

.kb-article-insight .article-cta-headline {
  font-size: 20px;
  font-weight: 600;
  color: var(--neutral-900);
  margin: 0 0 6px;
}

.kb-article-insight .article-cta-sub {
  font-size: 14px;
  color: var(--neutral-600);
  margin: 0;
}

.kb-article-insight .article-cta-btn {
  border-radius: 10px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s, box-shadow 0.2s;
}

.kb-article-insight .article-cta-btn:hover {
  transform: translateY(-2px);
}

.kb-article-insight .article-cta-btn-secondary {
  background: transparent;
  border: 1px solid;
  margin-left: 12px;
}

/* ============================================================================
   ARTIGOS RELACIONADOS
   ============================================================================ */
.kb-article-insight #related-section {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--neutral-100);
}

.kb-article-insight .related-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--neutral-900);
}

.kb-article-insight .related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .kb-article-insight .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.kb-article-insight .related-card {
  background: #fff;
  border: 1px solid var(--neutral-100);
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: box-shadow 0.2s, transform 0.2s;
}

.kb-article-insight .related-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.kb-article-insight .related-card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
}

.kb-article-insight .related-card-content {
  padding: 16px;
}

.kb-article-insight .related-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--neutral-900);
  margin: 8px 0 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.kb-article-insight .related-card-meta {
  font-size: 12px;
  color: var(--neutral-400);
  margin-top: 6px;
}

/* ============================================================================
   TOC SIDEBAR
   ============================================================================ */
.kb-article-insight .article-toc {
  display: none;
  width: 200px;
  position: sticky;
  top: 180px;
  align-self: flex-start;
  margin-top: 40px;
  border-left: 2px solid var(--neutral-100);
  padding-left: 20px;
}

@media (min-width: 1024px) {
  .kb-article-insight .article-toc {
    display: block;
  }
}

.kb-article-insight .article-toc-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--neutral-400);
  margin-bottom: 12px;
}

.kb-article-insight .article-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.kb-article-insight .article-toc-list li {
  margin: 0;
  padding: 4px 0;
}

.kb-article-insight .article-toc-list a {
  font-size: 13px;
  line-height: 1.5;
  color: var(--neutral-500);
  text-decoration: none;
  display: block;
  border-left: 2px solid transparent;
  margin-left: -22px;
  padding-left: 22px;
}

.kb-article-insight .article-toc-list a:hover,
.kb-article-insight .article-toc-list a.active {
  color: var(--accent-highlight);
  font-weight: 500;
  border-left-color: var(--accent-highlight);
}

/* ============================================================================
   STICKY HEADER
   ============================================================================ */
.kb-article-insight .article-sticky-header {
  position: fixed;
  z-index: 90;
  top: 80px;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--neutral-100);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  animation: kbSlideDown 0.25s var(--ease-apple) both;
  display: none;
}

.kb-article-insight .article-sticky-header.visible {
  display: block;
}

@keyframes kbSlideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.kb-article-insight .article-sticky-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.kb-article-insight .article-sticky-progress {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: var(--neutral-100);
  min-width: 80px;
}

.kb-article-insight .article-sticky-progress-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 100ms linear;
}

/* ============================================================================
   SHARE DROPDOWN
   ============================================================================ */
.kb-article-insight .share-dropdown {
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 8px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  border-radius: 12px;
  border: 1px solid var(--neutral-100);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
  min-width: 180px;
  z-index: 100;
}

.kb-article-insight .share-dropdown a,
.kb-article-insight .share-dropdown button {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--neutral-700);
  text-decoration: none;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.kb-article-insight .share-dropdown a:hover,
.kb-article-insight .share-dropdown button:hover {
  background: var(--neutral-75);
}

.kb-article-insight .share-dropdown svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

/* ============================================================================
   PRODUCT THEMES (inline overrides)
   ============================================================================ */
.kb-article-insight[data-product="cloud"] .article-lead { border-left-color: var(--cloud-space); }
.kb-article-insight[data-product="cloud"] .article-cta { background: linear-gradient(135deg, rgba(75,0,130,0.06) 0%, rgba(255,255,255,0) 100%); }
.kb-article-insight[data-product="cloud"] .article-cta-icon { background: rgba(75,0,130,0.1); color: var(--cloud-space); }
.kb-article-insight[data-product="cloud"] .article-cta-btn { background: var(--cloud-space); color: #fff !important; }
.kb-article-insight[data-product="cloud"] .article-cta-btn:hover { color: #fff !important; }
.kb-article-insight[data-product="cloud"] .article-toc-list a.active { color: var(--cloud-space); border-left-color: var(--cloud-space); }

.kb-article-insight[data-product="vm"] .article-lead { border-left-color: var(--virtual-machines); }
.kb-article-insight[data-product="vm"] .article-cta { background: linear-gradient(135deg, rgba(198,215,72,0.08) 0%, rgba(255,255,255,0) 100%); }
.kb-article-insight[data-product="vm"] .article-cta-icon { background: rgba(198,215,72,0.15); color: var(--virtual-machines-dark); }
.kb-article-insight[data-product="vm"] .article-cta-btn { background: var(--virtual-machines-dark); color: #000 !important; }
.kb-article-insight[data-product="vm"] .article-cta-btn:hover { color: #000 !important; }
.kb-article-insight[data-product="vm"] .article-toc-list a.active { color: var(--virtual-machines-dark); border-left-color: var(--virtual-machines-dark); }

.kb-article-insight[data-product="hugetalk"] .article-lead { border-left-color: var(--hugetalk-dark); }
.kb-article-insight[data-product="hugetalk"] .article-cta { background: linear-gradient(135deg, rgba(37,211,102,0.07) 0%, rgba(255,255,255,0) 100%); }
.kb-article-insight[data-product="hugetalk"] .article-cta-icon { background: rgba(37,211,102,0.15); color: var(--hugetalk-dark); }
.kb-article-insight[data-product="hugetalk"] .article-cta-btn { background: var(--hugetalk-dark); color: #fff !important; }
.kb-article-insight[data-product="hugetalk"] .article-cta-btn:hover { color: #fff !important; }
.kb-article-insight[data-product="hugetalk"] .article-cta-btn-secondary { border-color: var(--hugetalk-dark); color: var(--hugetalk-dark); }
.kb-article-insight[data-product="hugetalk"] .article-toc-list a.active { color: var(--hugetalk-dark); border-left-color: var(--hugetalk-dark); }

.kb-article-insight[data-product="accent"] .article-lead { border-left-color: var(--accent-highlight); }
.kb-article-insight[data-product="accent"] .article-cta { background: linear-gradient(135deg, rgba(3,10,140,0.06) 0%, rgba(255,255,255,0) 100%); }
.kb-article-insight[data-product="accent"] .article-cta-icon { background: rgba(3,10,140,0.1); color: var(--accent-highlight); }
.kb-article-insight[data-product="accent"] .article-cta-btn { background: var(--accent-highlight); color: #fff !important; }
.kb-article-insight[data-product="accent"] .article-cta-btn:hover { color: #fff !important; }
.kb-article-insight[data-product="accent"] .article-toc-list a.active { color: var(--accent-highlight); border-left-color: var(--accent-highlight); }