/* AARAA Infrastructure - Premium Corporate Blog Design System */

:root {
  --color-primary: #ED2F39;
  --color-primary-rgb: 237, 47, 57;
  --color-dark: #111827;
  --color-secondary: #4B5563;
  --color-bg-light: #FFFFFF;
  --color-surface-gray: #F8FAFC;
  --color-border: #E2E8F0;
  --radius-premium: 18px;
  --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.02);
  --shadow-hover: 0 20px 40px -15px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.02);
  --transition-smooth: 300ms cubic-bezier(0.16, 1, 0.3, 1);
  --font-sans: 'Work Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: 'Manrope', Georgia, Cambria, "Times New Roman", Times, serif;
}

/* Base resets inside the premium wrapper */
.premium-blog-wrapper {
  background-color: var(--color-bg-light);
  color: var(--color-dark);
  font-family: var(--font-sans);
  line-height: 1.625;
  -webkit-font-smoothing: antialiased;
}

/* Sticky Progress Header */
.blog-nav-sticky {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-b: 1px solid var(--color-border);
  z-index: 100;
  transition: background var(--transition-smooth), transform var(--transition-smooth);
}

.blog-nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.blog-logo img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.blog-nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.blog-nav-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark);
  text-decoration: none;
  transition: color var(--transition-smooth);
}

.blog-nav-link:hover {
  color: var(--color-primary);
}

.blog-progress-bar-container {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(0, 0, 0, 0.05);
}

.blog-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--color-primary);
  transition: width 50ms linear;
}

/* Hero Section */
.blog-hero {
  position: relative;
  min-height: 70vh;
  padding: 140px 24px 80px;
  display: flex;
  align-items: center;
  background: #0B132B;
  color: #FFFFFF;
  overflow: hidden;
}

.blog-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.blog-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  transform: scale(1.05);
  animation: heroZoom 20s infinite alternate ease-in-out;
}

@keyframes heroZoom {
  0% { transform: scale(1.02); }
  100% { transform: scale(1.1); }
}

.blog-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 19, 43, 0.6) 0%, rgba(11, 19, 43, 0.95) 100%);
  z-index: 2;
}

.blog-hero-container {
  position: relative;
  z-index: 3;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.blog-breadcrumbs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 24px;
  opacity: 0.8;
}

.blog-breadcrumbs a {
  color: #FFFFFF;
  text-decoration: none;
  transition: color var(--transition-smooth);
}

.blog-breadcrumbs a:hover {
  color: var(--color-primary);
}

.blog-breadcrumbs span.separator::before {
  content: "/";
  margin: 0 4px;
}

.blog-badge-category {
  display: inline-block;
  padding: 6px 16px;
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 100px;
  margin-bottom: 24px;
}

.blog-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(38px, 5.5vw, 64px);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.blog-hero-subtitle {
  font-size: clamp(16px, 2.5vw, 20px);
  line-height: 1.5;
  font-weight: 400;
  opacity: 0.85;
  max-width: 760px;
  margin: 0 auto 36px;
}

.blog-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 14px;
  font-weight: 500;
  opacity: 0.9;
  border-t: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
}

.blog-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.blog-meta-icon {
  font-size: 18px;
  color: var(--color-primary);
}

/* Content Layout Grid */
.blog-content-layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
}

@media (min-width: 1024px) {
  .blog-content-layout {
    grid-template-columns: 240px 1fr;
  }
}

/* Sidebar TOC */
.blog-sidebar-left {
  display: none;
}

@media (min-width: 1024px) {
  .blog-sidebar-left {
    display: block;
  }
}

.blog-sticky-sidebar {
  position: sticky;
  top: 120px;
  height: fit-content;
}

.blog-toc-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-dark);
  margin-bottom: 16px;
  border-b: 1px solid var(--color-border);
  padding-bottom: 8px;
}

.blog-toc-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.blog-toc-item a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-secondary);
  text-decoration: none;
  border-l: 2px solid transparent;
  padding-left: 12px;
  display: block;
  transition: all var(--transition-smooth);
}

.blog-toc-item.active a,
.blog-toc-item a:hover {
  color: var(--color-primary);
  border-l-color: var(--color-primary);
  padding-left: 16px;
}

/* Desktop Share Widget */
.blog-share-widget {
  margin-top: 48px;
  border-t: 1px solid var(--color-border);
  padding-top: 24px;
}

.blog-share-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
  margin-bottom: 16px;
}

.blog-share-buttons {
  display: flex;
  gap: 12px;
}

.blog-share-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-surface-gray);
  border: 1px solid var(--color-border);
  color: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-decoration: none;
}

.blog-share-btn:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* Article Content Column */
.blog-main-column {
  max-width: 900px;
  margin: 0 auto;
}

/* Featured Video Player Card */
.blog-video-card {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-premium);
  overflow: hidden;
  box-shadow: var(--shadow-premium);
  border: 1px solid var(--color-border);
  margin-bottom: 64px;
  background: #000;
}

.blog-video-card iframe,
.blog-video-card video {
  width: 100%;
  height: 100%;
  border: none;
  object-fit: cover;
}

/* Article Prose styling */
.blog-prose {
  font-size: 18px;
  color: #2D3748;
  line-height: 1.8;
}

.blog-prose p {
  margin-bottom: 28px;
}

.blog-prose p strong {
  color: var(--color-dark);
}

.blog-prose h2 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 800;
  color: var(--color-dark);
  margin-top: 56px;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.blog-prose h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-dark);
  margin-top: 40px;
  margin-bottom: 16px;
}

.blog-prose ul, .blog-prose ol {
  margin-bottom: 28px;
  padding-left: 24px;
}

.blog-prose li {
  margin-bottom: 10px;
}

/* Key Disciplines Bento Grid */
.blog-bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 48px 0;
}

@media (min-width: 640px) {
  .blog-bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.blog-bento-card {
  background: var(--color-surface-gray);
  border: 1px solid var(--color-border);
  padding: 32px;
  border-radius: var(--radius-premium);
  transition: all var(--transition-smooth);
}

.blog-bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
}

.blog-bento-icon {
  font-size: 32px;
  color: var(--color-primary);
  background: rgba(237, 47, 57, 0.05);
  padding: 12px;
  border-radius: 12px;
  display: inline-block;
  margin-bottom: 20px;
}

.blog-bento-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.blog-bento-desc {
  font-size: 15px;
  color: var(--color-secondary);
  line-height: 1.5;
}

/* Callout Box */
.blog-callout-box {
  background: #0B132B;
  color: #FFFFFF;
  padding: 40px;
  border-radius: var(--radius-premium);
  margin: 56px 0;
  position: relative;
  overflow: hidden;
}

.blog-callout-box::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 160px;
  height: 160px;
  background: rgba(237, 47, 57, 0.15);
  filter: blur(50px);
  border-radius: 50%;
}

.blog-callout-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 12px;
}

.blog-callout-desc {
  font-size: 16px;
  opacity: 0.9;
  line-height: 1.6;
}

/* Premium Quote block */
.blog-quote-block {
  margin: 64px 0;
  padding: 40px;
  background: var(--color-surface-gray);
  border-left: 5px solid var(--color-primary);
  border-radius: 0 var(--radius-premium) var(--radius-premium) 0;
  position: relative;
}

.blog-quote-icon {
  font-family: var(--font-serif);
  font-size: 120px;
  color: rgba(237, 47, 57, 0.08);
  position: absolute;
  top: -30px;
  left: 24px;
  pointer-events: none;
  line-height: 1;
}

.blog-quote-text {
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--color-dark);
  font-style: italic;
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
}

.blog-quote-cite {
  display: flex;
  align-items: center;
  gap: 16px;
}

.blog-quote-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-primary);
}

.blog-quote-meta {
  font-size: 14px;
  line-height: 1.4;
}

.blog-quote-name {
  font-weight: 700;
  color: var(--color-dark);
}

.blog-quote-title {
  color: var(--color-secondary);
}

/* Celebration Highlights Icon Cards */
.blog-celebration-section {
  margin: 80px 0;
}

.blog-celebration-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 800;
  text-align: center;
  color: var(--color-dark);
  margin-bottom: 40px;
}

.blog-celebration-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

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

.blog-celebration-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-premium);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all var(--transition-smooth);
}

.blog-celebration-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-premium);
  transform: translateY(-2px);
}

.blog-celebration-icon {
  font-size: 24px;
  color: var(--color-primary);
  background: rgba(237, 47, 57, 0.05);
  padding: 10px;
  border-radius: 12px;
}

.blog-celebration-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.blog-celebration-desc {
  font-size: 14px;
  color: var(--color-secondary);
  line-height: 1.4;
}

/* Image Gallery Asymmetric Grid */
.blog-gallery-section {
  margin: 80px 0;
}

.blog-gallery-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 800;
  text-align: center;
  color: var(--color-dark);
  margin-bottom: 40px;
}

.blog-gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (min-width: 768px) {
  .blog-gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .blog-gallery-item:nth-child(3n+1) {
    grid-column: span 2;
    grid-row: span 2;
  }
}

.blog-gallery-item {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-premium);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-premium);
  cursor: zoom-in;
}

.blog-gallery-item.span-2 {
  aspect-ratio: 16/9;
}

.blog-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.blog-gallery-item:hover img {
  transform: scale(1.05);
}

.blog-gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.7) 100%);
  opacity: 0;
  display: flex;
  align-items: flex-end;
  padding: 20px;
  transition: opacity var(--transition-smooth);
}

.blog-gallery-item:hover .blog-gallery-overlay {
  opacity: 1;
}

.blog-gallery-caption {
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 500;
}

/* Related Posts Section */
.blog-related-section {
  background: var(--color-surface-gray);
  border-t: 1px solid var(--color-border);
  border-b: 1px solid var(--color-border);
  padding: 100px 24px;
}

.blog-related-container {
  max-width: 1280px;
  margin: 0 auto;
}

.blog-related-title {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 48px;
  text-align: center;
}

.blog-related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

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

.blog-related-card {
  background: var(--color-bg-light);
  border-radius: var(--radius-premium);
  overflow: hidden;
  box-shadow: var(--shadow-premium);
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-dark);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all var(--transition-smooth);
}

.blog-related-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
}

.blog-related-img {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}

.blog-related-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.blog-related-card:hover .blog-related-img img {
  transform: scale(1.05);
}

.blog-related-card-content {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-related-card-category {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.blog-related-card-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-related-card-meta {
  margin-top: auto;
  font-size: 13px;
  color: var(--color-secondary);
}

/* Call-to-Action Premium Section */
.blog-cta-section {
  padding: 120px 24px;
  background: var(--color-dark);
  color: #FFFFFF;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.blog-cta-bg {
  position: absolute;
  top: -50%;
  left: -20%;
  width: 140%;
  height: 200%;
  background: radial-gradient(circle, rgba(237, 47, 57, 0.08) 0%, transparent 60%);
  z-index: 1;
  pointer-events: none;
}

.blog-cta-container {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.blog-cta-title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.blog-cta-subtitle {
  font-size: 18px;
  opacity: 0.8;
  margin-bottom: 40px;
  line-height: 1.6;
}

.blog-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.blog-cta-btn {
  padding: 16px 36px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.blog-cta-btn.primary {
  background: var(--color-primary);
  color: #FFFFFF;
  border: 1px solid var(--color-primary);
}

.blog-cta-btn.primary:hover {
  background: #D2232C;
  border-color: #D2232C;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -5px rgba(237, 47, 57, 0.4);
}

.blog-cta-btn.secondary {
  background: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.blog-cta-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

/* GSAP/Reveal-up Scroll Animations */
.blog-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1), transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Lightbox overlay style */
.blog-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(11, 19, 43, 0.95);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.blog-lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: #FFFFFF;
  border: none;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-smooth);
}

.blog-lightbox-close:hover {
  background: rgba(255,255,255,0.2);
}

.blog-lightbox-img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  object-fit: contain;
}