/* ============================================================
   PROTONVIX — BLOG & ARTICLE STYLES
   "The Adopted System Insights" Hub & Article Components
   High-End Agency & Double-Bezel Architecture
   ============================================================ */

/* Blog Hub Layout */
.blog-hero {
  padding-top: var(--space-16);
  padding-bottom: var(--space-12);
  text-align: center;
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
}

.blog-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-8);
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.55rem 1.25rem;
  border-radius: 9999px;
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-out);
}

.filter-pill:hover {
  color: var(--color-text-primary);
  border-color: var(--monday-purple);
  background: rgba(97, 97, 255, 0.05);
}

.filter-pill.active {
  color: #ffffff;
  background: var(--monday-purple);
  border-color: var(--monday-purple);
  box-shadow: 0 4px 14px rgba(97, 97, 255, 0.3);
}

/* Search Bar Styles */
.blog-search-wrapper {
  position: relative;
  max-width: 640px;
  margin: var(--space-6) auto 0;
}

.blog-search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-text-muted);
  pointer-events: none;
}

.blog-search-input {
  width: 100%;
  padding: 0.95rem 1.25rem 0.95rem 3.25rem;
  border-radius: 9999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  outline: none;
  transition: all var(--duration-fast) var(--ease-out);
}

.blog-search-input:focus {
  border-color: var(--monday-purple);
  box-shadow: 0 0 0 4px rgba(97, 97, 255, 0.15);
}

/* ============================================================
   REDESIGNED BLOG GRID & DOUBLE-BEZEL (DOPPELRAND) CARDS
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-block: var(--space-12);
}

@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

/* Outer Shell (Double-Bezel Framing) */
.blog-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #f8fafc;
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: 20px;
  padding: 8px; /* Outer bezel gap */
  text-decoration: none;
  color: inherit;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
  transition: transform var(--duration-base) cubic-bezier(0.32, 0.72, 0, 1),
              box-shadow var(--duration-base) cubic-bezier(0.32, 0.72, 0, 1),
              border-color var(--duration-base) ease;
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: var(--monday-purple);
  box-shadow: 0 16px 36px -8px rgba(97, 97, 255, 0.18), 0 4px 12px rgba(0, 0, 0, 0.04);
}

/* Inner Core Container */
.blog-card-inner {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 14px; /* Concentric curve */
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}

/* Featured Hero Article Span (Spans 2 columns on desktop) */
.blog-card.featured-card {
  grid-column: span 2;
}

@media (max-width: 1024px) {
  .blog-card.featured-card {
    grid-column: span 1;
  }
}

.blog-card.featured-card .blog-card-inner {
  background: linear-gradient(135deg, #ffffff 0%, #f5f3ff 100%);
  border: 1px solid rgba(97, 97, 255, 0.2);
  padding: var(--space-8);
}

.blog-card.featured-card .blog-card-title {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
}

.blog-card.featured-card .blog-card-excerpt {
  font-size: var(--text-base);
}

/* Meta & Badge Row */
.blog-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

/* Category Badges */
.blog-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.725rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
}

.blog-badge.badge-featured {
  background: var(--monday-purple);
  color: #ffffff;
  border-color: var(--monday-purple);
  box-shadow: 0 2px 8px rgba(97, 97, 255, 0.3);
}

.blog-badge.badge-article {
  background: #fffbebfb;
  color: #b45309;
  border-color: #fde68a;
}

.blog-badge.badge-guide {
  background: #f0f9ff;
  color: #0369a1;
  border-color: #bae6fd;
}

.blog-badge.badge-comparison {
  background: #faf5ff;
  color: #7e22ce;
  border-color: #e9d5ff;
}

.blog-badge.badge-code {
  background: #f0fdf4;
  color: #15803d;
  border-color: #bbf7d0;
}

.blog-badge.badge-tool {
  background: #ecfdf5;
  color: #047857;
  border-color: #a7f3d0;
}

/* Live Pulsing Dot for Interactive Tools */
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-ring 1.8s infinite cubic-bezier(0.66, 0, 0, 1);
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

/* Title & Arrow Animation */
.blog-card-title {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: var(--fw-semibold);
  line-height: 1.35;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.blog-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast);
}

.card-title-link {
  display: inline;
}

.title-arrow {
  display: inline-block;
  margin-left: 4px;
  font-weight: 400;
  transition: transform var(--duration-fast) cubic-bezier(0.32, 0.72, 0, 1), color var(--duration-fast);
}

.blog-card:hover .blog-card-title a {
  color: var(--monday-purple);
}

.blog-card:hover .title-arrow {
  transform: translateX(5px);
  color: var(--monday-purple);
}

/* Excerpt */
.blog-card-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--lh-loose);
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

/* Footer & Author Group */
.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding-top: var(--space-4);
  margin-top: auto;
}

.author-meta-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.author-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--monday-purple);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--fw-bold);
  font-size: var(--text-xs);
  box-shadow: 0 2px 8px rgba(97, 97, 255, 0.25);
  flex-shrink: 0;
}

.author-name {
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
}

.author-sub {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

.card-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--monday-purple);
  background: rgba(97, 97, 255, 0.08);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  transition: all var(--duration-fast);
}

.blog-card:hover .card-action-btn {
  background: var(--monday-purple);
  color: #ffffff;
}

/* ============================================================
   ARTICLE PAGE STYLES
   ============================================================ */
.article-header {
  padding-top: 140px;
  padding-bottom: var(--space-10);
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
}

.article-breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.article-breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.article-breadcrumbs a:hover {
  color: var(--monday-purple);
}

.article-title {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  color: var(--color-text-primary);
  max-width: 900px;
  margin-bottom: var(--space-6);
}

.article-meta-row {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.article-body-wrapper {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-12);
  margin-block: var(--space-12);
}

@media (max-width: 1024px) {
  .article-body-wrapper {
    grid-template-columns: 1fr;
  }
}

.article-prose {
  max-width: 72ch;
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-text-primary);
}

.article-prose h2 {
  font-family: var(--font-sans);
  font-size: var(--text-2xl);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.article-prose h3 {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.article-prose p {
  margin-bottom: var(--space-5);
  color: #222222;
}

.article-prose ul, .article-prose ol {
  margin-bottom: var(--space-6);
  padding-left: var(--space-6);
}

.article-prose li {
  margin-bottom: var(--space-2);
}

/* Callout Box */
.callout-box {
  background: var(--monday-light);
  border-left: 4px solid var(--monday-purple);
  padding: var(--space-6);
  border-radius: 0 12px 12px 0;
  margin-block: var(--space-6);
}

.callout-box h4 {
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.callout-box p {
  margin-bottom: 0;
  font-size: var(--text-sm);
}

/* Code Snippet Box */
.code-block {
  background: #0d1117;
  color: #c9d1d9;
  border-radius: 12px;
  padding: var(--space-5);
  margin-block: var(--space-6);
  overflow-x: auto;
  font-family: 'JetBrains Mono', 'Geist Mono', SFMono-Regular, Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  border: 1px solid #30363d;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
  border-bottom: 1px solid #21262d;
  font-size: 0.75rem;
  color: #8b949e;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.code-block pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.code-keyword { color: #ff7b72; font-weight: bold; }
.code-function { color: #d2a8ff; }
.code-string { color: #a5d6ff; }
.code-comment { color: #8b949e; font-style: italic; }
.code-number { color: #79c0ff; }

/* Tables */
.data-table-wrapper {
  overflow-x: auto;
  margin-block: var(--space-6);
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: var(--text-sm);
}

.data-table th {
  background: var(--monday-light);
  color: var(--color-text-primary);
  font-weight: var(--fw-semibold);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.data-table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  color: #222222;
}

.data-table tr:last-child td {
  border-bottom: none;
}

/* Sidebar TOC & CTA */
.article-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.toc-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.toc-card h4 {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

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

.toc-list li {
  margin-bottom: var(--space-2);
}

.toc-list a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.toc-list a:hover {
  color: var(--monday-purple);
}

.sidebar-cta-card {
  background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
  color: #ffffff;
  border-radius: 16px;
  padding: var(--space-6);
}

.sidebar-cta-card h4 {
  color: #ffffff;
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.sidebar-cta-card p {
  color: #9ca3af;
  font-size: var(--text-xs);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}