/* ================================
   RQTech Consulting - Blog & Clients
   ================================ */

/* ===== Clients Section ===== */
.clients-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-md) 0;
  border-top: 1px solid rgba(11, 110, 79, 0.15);
  border-bottom: 1px solid rgba(11, 110, 79, 0.15);
}

.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 160px;
  height: 70px;
  background: rgba(8, 61, 79, 0.25);
  border: 1px solid rgba(11, 110, 79, 0.2);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  transition: all var(--transition-normal);
}

.client-logo:hover {
  border-color: var(--color-brand-accent);
  background: rgba(8, 61, 79, 0.4);
}

.client-logo span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-align: center;
  letter-spacing: 0.03em;
}

.client-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.client-logo:hover img {
  opacity: 1;
}

/* ===== Case Studies Grid ===== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
}

.case-card {
  background: linear-gradient(135deg, rgba(8, 61, 79, 0.35), rgba(11, 110, 79, 0.15));
  border: 1px solid rgba(11, 110, 79, 0.25);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.case-card:hover {
  border-color: var(--color-brand-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-md) 0;
  gap: var(--spacing-sm);
}

.case-client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 44px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 0 var(--spacing-xs);
}

.case-client-logo span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.case-client-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.7;
}

.case-tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-brand-accent);
  background: rgba(0, 194, 168, 0.1);
  border: 1px solid rgba(0, 194, 168, 0.2);
  border-radius: 50px;
  padding: 3px 10px;
  white-space: nowrap;
}

.case-card h3 {
  font-size: 1.1rem;
  color: var(--color-text-primary);
  padding: var(--spacing-sm) var(--spacing-md) 0;
  margin-bottom: 0;
}

.case-body {
  padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.case-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.case-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 2px 8px;
  border-radius: 4px;
  align-self: flex-start;
}

.case-label.problem {
  background: rgba(220, 100, 60, 0.15);
  color: #F97316;
  border: 1px solid rgba(249, 115, 22, 0.25);
}

.case-label.solution {
  background: rgba(8, 61, 79, 0.5);
  color: var(--color-brand-accent);
  border: 1px solid rgba(0, 194, 168, 0.25);
}

.case-label.result {
  background: rgba(11, 110, 79, 0.2);
  color: #4ADE80;
  border: 1px solid rgba(74, 222, 128, 0.25);
}

.case-item p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* ===== Blog Hero ===== */
.blog-hero {
  min-height: 40vh;
  display: flex;
  align-items: flex-end;
  padding-top: 120px;
  padding-bottom: var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  left: -30%;
  width: 160%;
  height: 160%;
  background: radial-gradient(circle at 30% 50%, rgba(11, 110, 79, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.blog-hero-content {
  position: relative;
}

.blog-eyebrow {
  display: inline-block;
  font-size: var(--font-size-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-brand-accent);
  margin-bottom: var(--spacing-sm);
}

.blog-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  background: linear-gradient(135deg, var(--color-text-primary), var(--color-brand-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

.blog-hero p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ===== Categories Bar ===== */
.blog-categories-bar {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid rgba(11, 110, 79, 0.15);
}

.categories-scroll {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.cat-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--color-text-secondary);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cat-btn:hover,
.cat-btn.active {
  background: rgba(0, 194, 168, 0.12);
  border-color: var(--color-brand-accent);
  color: var(--color-brand-accent);
}

/* ===== Posts Grid ===== */
.blog-posts {
  padding: var(--spacing-xl) 0;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.post-card {
  background: linear-gradient(135deg, rgba(8, 61, 79, 0.3), rgba(11, 110, 79, 0.1));
  border: 1px solid rgba(11, 110, 79, 0.2);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.post-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-brand-accent), var(--color-brand-primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.post-card:hover::before {
  transform: scaleX(1);
}

.post-card:hover {
  border-color: var(--color-brand-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.post-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xs);
}

.post-category {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 50px;
}

.post-category.sap {
  background: rgba(0, 194, 168, 0.12);
  color: var(--color-brand-accent);
  border: 1px solid rgba(0, 194, 168, 0.2);
}

.post-category.data {
  background: rgba(99, 102, 241, 0.12);
  color: #A5B4FC;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.post-category.infra {
  background: rgba(249, 115, 22, 0.12);
  color: #FBB36A;
  border: 1px solid rgba(249, 115, 22, 0.2);
}

.post-category.digital {
  background: rgba(74, 222, 128, 0.1);
  color: #4ADE80;
  border: 1px solid rgba(74, 222, 128, 0.2);
}

.post-date {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.post-title {
  font-size: 1.05rem;
  line-height: 1.4;
  margin: 0;
}

.post-title a {
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.post-title a:hover {
  color: var(--color-brand-accent);
}

.post-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

.post-read-more {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-brand-accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition-fast);
  margin-top: auto;
}

.post-read-more:hover {
  gap: 8px;
  color: var(--color-brand-accent);
}

/* ===== Nav active state ===== */
.nav-active {
  color: var(--color-brand-accent) !important;
}

/* ===== Blog empty state ===== */
.blog-empty {
  text-align: center;
  padding: var(--spacing-xl) 0;
  color: var(--color-text-muted);
}

/* ===== Article Page ===== */
.article-page {
  padding-top: 100px;
  padding-bottom: var(--spacing-xl);
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  transition: color var(--transition-fast);
}

.article-back:hover {
  color: var(--color-brand-accent);
}

.article-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(11, 110, 79, 0.15);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.article-date {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.article-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.article-lead {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  border-left: 3px solid var(--color-brand-accent);
  padding-left: var(--spacing-md);
  margin: 0;
}

.article-body {
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.article-body h2 {
  font-size: 1.45rem;
  color: var(--color-brand-accent);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.article-body h3 {
  font-size: 1.15rem;
  color: var(--color-text-primary);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
}

.article-body p {
  margin-bottom: var(--spacing-sm);
}

.article-body ul,
.article-body ol {
  margin: var(--spacing-sm) 0 var(--spacing-md) var(--spacing-md);
}

.article-body li {
  margin-bottom: 0.4rem;
  color: var(--color-text-secondary);
}

.article-body strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

.article-body code {
  background: rgba(0, 194, 168, 0.08);
  border: 1px solid rgba(0, 194, 168, 0.15);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.875em;
  color: var(--color-brand-accent);
  font-family: 'Cascadia Code', 'Consolas', monospace;
}

.article-body pre {
  background: rgba(8, 61, 79, 0.4);
  border: 1px solid rgba(11, 110, 79, 0.2);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  overflow-x: auto;
  margin: var(--spacing-sm) 0 var(--spacing-md);
}

.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.875rem;
}

.article-highlight {
  background: linear-gradient(135deg, rgba(8, 61, 79, 0.35), rgba(11, 110, 79, 0.15));
  border: 1px solid rgba(11, 110, 79, 0.25);
  border-left: 4px solid var(--color-brand-accent);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.article-highlight p {
  margin: 0;
  font-size: 1rem;
}

.article-cta {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(11, 110, 79, 0.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.article-cta-text p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0;
}

.article-cta-text strong {
  display: block;
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin-bottom: 4px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .cases-grid {
    grid-template-columns: 1fr;
  }

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

  .clients-logos {
    gap: var(--spacing-sm);
  }

  .client-logo {
    width: 130px;
    height: 60px;
  }

  .case-header {
    flex-wrap: wrap;
  }

  .article-cta {
    flex-direction: column;
  }
}