/* Sleek Dark Space Glassmorphism Design System (Exact Match for Reference Images 2 and 4) */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400..900;1,400..900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-dark: #040711;
  --bg-card-glass: rgba(13, 22, 42, 0.75);
  --bg-card-hover: rgba(20, 35, 65, 0.88);
  
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-cyan: #38bdf8;
  --accent-blue: #0284c7;
  --accent-glow: rgba(56, 189, 248, 0.35);
  
  --border-glass: rgba(56, 189, 248, 0.22);
  --border-subtle: rgba(255, 255, 255, 0.08);
  
  --font-serif: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  
  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-primary);
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  overflow-x: hidden;
  position: relative;
}

/* Links */
a:not(.btn-cyan):not(.btn-primary):not(.btn-glass):not(.btn-secondary):not(.btn-card-select):not(.brand-logo):not(.article-nav-card),
a:not(.btn-cyan):not(.btn-primary):not(.btn-glass):not(.btn-secondary):not(.btn-card-select):not(.brand-logo):not(.article-nav-card):visited {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: var(--transition);
}

a:not(.btn-cyan):not(.btn-primary):not(.btn-glass):not(.btn-secondary):not(.btn-card-select):not(.brand-logo):not(.article-nav-card):hover,
a:not(.btn-cyan):not(.btn-primary):not(.btn-glass):not(.btn-secondary):not(.btn-card-select):not(.brand-logo):not(.article-nav-card):focus {
  color: #ffffff;
}

/* Three.js Background Canvas */
#globe-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

/* Content Container over 3D Canvas */
.content-wrapper {
  position: relative;
  z-index: 10;
}

/* Header Sticky Nav */
.header-sticky {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(4, 7, 17, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  width: 90%;
  max-width: 1280px;
  margin: 0 auto;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  color: #ffffff;
  text-decoration: none;
  font-size: 1.15rem;
  transition: var(--transition);
}

.brand-logo .logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(12, 26, 48, 0.75);
  border: 1px solid rgba(56, 189, 248, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #38bdf8;
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.2);
  transition: var(--transition);
}

.brand-logo .logo-icon svg {
  width: 20px;
  height: 20px;
  stroke: #38bdf8;
  transition: var(--transition);
}

.brand-logo:hover .logo-icon {
  background: rgba(20, 42, 75, 0.9);
  border-color: #38bdf8;
  box-shadow: 0 0 22px rgba(56, 189, 248, 0.45);
}

.brand-logo:hover .logo-icon svg {
  stroke: #ffffff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.nav-links a:hover {
  color: #fff;
}

.btn-cyan,
.btn-cyan:link,
.btn-cyan:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
  color: #040711 !important;
  padding: 0.75rem 1.8rem;
  border-radius: var(--radius-pill);
  font-weight: 800 !important;
  font-size: 0.95rem;
  transition: var(--transition);
  border: none;
  box-shadow: 0 0 25px rgba(56, 189, 248, 0.45);
  cursor: pointer;
  text-decoration: none !important;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.btn-cyan:hover,
.btn-cyan:focus,
.btn-cyan:active {
  box-shadow: 0 0 35px rgba(56, 189, 248, 0.8);
  transform: translateY(-2px);
  color: #000000 !important;
  background: linear-gradient(135deg, #7dd3fc 0%, #38bdf8 100%);
}

.btn-glass,
.btn-glass:link,
.btn-glass:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff !important;
  padding: 0.75rem 1.8rem;
  border-radius: var(--radius-pill);
  font-weight: 700 !important;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  text-decoration: none !important;
}

.btn-glass:hover,
.btn-glass:focus,
.btn-glass:active {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-cyan);
  color: #ffffff !important;
}

/* Typography matching Screenshot Serif headers */
h1, h2, h3, .serif-title {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: #ffffff;
  line-height: 1.18;
}

h1 {
  font-size: clamp(2.4rem, 4.8vw, 4.2rem);
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #7dd3fc 0%, #38bdf8 50%, #0284c7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline;
}

h2, .serif-title {
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  margin-bottom: 0.5rem;
}

h3 {
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  margin-bottom: 0.5rem;
  font-family: var(--font-sans);
  font-weight: 700;
}

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.65;
}

/* Scroll Sections */
.scroll-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
}

/* Hero Section Layout */
.hero-stage {
  text-align: center;
  align-items: center;
  justify-content: center;
  padding-top: 8rem;
}

.hero-capsule-bar {
  display: inline-flex;
  align-items: center;
  background: rgba(13, 20, 36, 0.75);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.4rem 0.4rem 1.4rem;
  backdrop-filter: blur(16px);
  margin-top: 2.5rem;
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.15);
  max-width: 480px;
  width: 100%;
  justify-content: space-between;
}

.hero-capsule-bar input {
  background: none;
  border: none;
  outline: none;
  color: #fff;
  font-size: 0.95rem;
  width: 65%;
}

/* Stage 2 Layout: 100% Match for Image 2 Reference (Text/Cards Left, Globe Right) */
.stage-2-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  width: 100%;
}

.stage-2-grid .left-col {
  grid-column: 1;
  max-width: 560px;
  z-index: 20;
  position: relative;
}

.stacked-cards {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-top: 2rem;
}

.card-stacked-item {
  background: var(--bg-card-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: var(--transition);
}

.card-stacked-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 25px rgba(56, 189, 248, 0.2);
}

.card-icon-box {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(12, 26, 48, 0.75);
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.15);
  transition: var(--transition);
}

.card-icon-box svg {
  width: 22px;
  height: 22px;
  stroke: #38bdf8;
  transition: var(--transition);
}

.card-stacked-item:hover .card-icon-box,
.card-grid-item:hover .card-icon-box,
.pricing-card-glass:hover .plan-header .plan-icon {
  background: rgba(20, 42, 75, 0.9);
  border-color: rgba(56, 189, 248, 0.75);
  box-shadow: 0 0 22px rgba(56, 189, 248, 0.35);
  transform: translateY(-2px);
}

.card-stacked-item:hover .card-icon-box svg,
.card-grid-item:hover .card-icon-box svg,
.pricing-card-glass:hover .plan-header .plan-icon svg {
  stroke: #ffffff;
}

.card-stacked-item:hover .card-icon-box,
.card-grid-item:hover .card-icon-box {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(12, 26, 48, 0.75);
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.15);
  transition: var(--transition);
}

.card-icon-box svg {
  width: 22px;
  height: 22px;
  stroke: #38bdf8;
  transition: var(--transition);
}

.card-stacked-item:hover .card-icon-box,
.card-grid-item:hover .card-icon-box,
.pricing-card-glass:hover .plan-header .plan-icon {
  background: rgba(20, 42, 75, 0.9);
  border-color: rgba(56, 189, 248, 0.75);
  box-shadow: 0 0 22px rgba(56, 189, 248, 0.35);
  transform: translateY(-2px);
}

.card-stacked-item:hover .card-icon-box svg,
.card-grid-item:hover .card-icon-box svg,
.pricing-card-glass:hover .plan-header .plan-icon svg {
  stroke: #ffffff;
}

/* Stage 3 Layout: 100% Match for Image 4 Reference (Globe Left, Text/Cards Right) */
.stage-3-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  width: 100%;
}

.stage-3-grid .right-col {
  grid-column: 2;
  max-width: 540px;
  margin-left: auto;
  z-index: 20;
  position: relative;
  text-align: right;
}

.stage-3-grid .right-col p {
  margin-left: auto;
  max-width: 480px;
}

.cards-2x2-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
  text-align: left;
}

.card-grid-item {
  background: var(--bg-card-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: var(--transition);
}

.card-grid-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
}

/* Stage 4 Layout: Transparent Pricing */
.stage-4-pricing {
  text-align: center;
  align-items: center;
  padding-top: 5rem;
}

.pricing-header-center {
  text-align: center;
  margin-bottom: 2.5rem;
}

.pricing-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.pricing-cards-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.75rem;
  max-width: 1240px;
  margin: 0 auto;
  position: relative;
  z-index: 20;
}

.pricing-card-glass {
  background: rgba(13, 22, 42, 0.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.8rem;
  width: 320px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: left;
  transition: var(--transition);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
  position: relative;
}

.pricing-card-glass:hover {
  transform: translateY(-5px);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.35);
}

.pricing-card-glass.featured {
  background: rgba(15, 30, 58, 0.88);
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 40px rgba(56, 189, 248, 0.45);
}

.featured-tag {
  position: absolute;
  top: -12px;
  right: 20px;
  background: linear-gradient(135deg, #38bdf8, #0284c7);
  color: #040711;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-pill);
  letter-spacing: 0.05em;
}

.plan-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.plan-icon {
  font-size: 1.3rem;
}

.plan-name {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
}

.plan-price-big {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0.5rem 0 1rem;
}

.price-cycle {
  font-size: 0.9rem;
  font-family: var(--font-sans);
  color: var(--text-muted);
  font-weight: 400;
}

.plan-features {
  list-style: none;
  margin: 1.2rem 0 2rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
  padding-top: 1.2rem;
}

.plan-features li {
  font-size: 0.92rem;
  color: #cbd5e1;
  margin-bottom: 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.plan-features li span {
  color: var(--accent-cyan);
  font-weight: bold;
}

.btn-card-select,
.btn-card-select:link,
.btn-card-select:visited {
  display: block;
  width: 100%;
  text-align: center;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff !important;
  font-weight: 700 !important;
  font-size: 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  text-decoration: none !important;
  transition: var(--transition);
}

.btn-card-select:hover,
.btn-card-select:focus {
  background: rgba(255, 255, 255, 0.18);
  border-color: var(--accent-cyan);
  color: #ffffff !important;
}

.btn-card-select.primary,
.btn-card-select.primary:link,
.btn-card-select.primary:visited {
  background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
  color: #040711 !important;
  font-weight: 800 !important;
  border: none;
  box-shadow: 0 0 25px rgba(56, 189, 248, 0.45);
}

.btn-card-select.primary:hover,
.btn-card-select.primary:focus {
  box-shadow: 0 0 35px rgba(56, 189, 248, 0.8);
  color: #000000 !important;
  background: linear-gradient(135deg, #7dd3fc 0%, #38bdf8 100%);
}

/* User Reviews Carousel */
.reviews-container {
  max-width: 860px;
  margin: 3rem auto 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.review-slide-item {
  min-width: 100%;
  background: var(--bg-card-glass);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

/* Responsive */
@media (max-width: 992px) {
  .stage-2-grid, .stage-3-grid {
    grid-template-columns: 1fr;
  }
  .stage-3-grid .right-col {
    grid-column: 1;
  }
  .nav-links {
    display: none;
  }
}


/* ==========================================================================
   Article & Documentation Page Design System (Sleek Dark Glassmorphism)
   ========================================================================== */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.btn-primary,
.btn-primary:link,
.btn-primary:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
  color: #040711 !important;
  padding: 0.65rem 1.6rem;
  border-radius: var(--radius-pill);
  font-weight: 800 !important;
  font-size: 0.9rem;
  transition: var(--transition);
  border: none;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.35);
  cursor: pointer;
  text-decoration: none !important;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.7);
  transform: translateY(-2px);
  color: #000000 !important;
  background: linear-gradient(135deg, #7dd3fc 0%, #38bdf8 100%);
}

.btn-secondary,
.btn-secondary:link,
.btn-secondary:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff !important;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-pill);
  font-weight: 700 !important;
  font-size: 0.9rem;
  transition: var(--transition);
  border: 1px solid var(--border-subtle);
  text-decoration: none !important;
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--accent-cyan);
  color: #ffffff !important;
}

.mobile-toggle {
  display: none !important;
}

/* Article Header */
.article-header {
  padding: 8rem 1.5rem 3.5rem;
  background: radial-gradient(ellipse at top, rgba(56, 189, 248, 0.14) 0%, rgba(4, 7, 17, 0) 70%);
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
}

.article-header h1 {
  font-size: clamp(1.8rem, 3.2vw, 2.7rem) !important;
  line-height: 1.35 !important;
  margin: 1rem auto !important;
  color: #ffffff;
  max-width: 900px;
}

.badge {
  display: inline-block;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.badge-blue {
  background: rgba(255, 255, 255, 0.08);
  color: #94a3b8;
  border-color: rgba(255, 255, 255, 0.12);
}

/* Article Body */
.article-body-wrapper {
  max-width: 920px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 6rem;
}

.article-body {
  font-size: 1.08rem;
  line-height: 1.9;
  color: #cbd5e1;
}

.article-body p {
  margin-bottom: 1.6rem;
  color: #cbd5e1;
  font-size: 1.05rem;
  line-height: 1.9;
}

.article-body h2 {
  font-size: clamp(1.35rem, 2.3vw, 1.8rem) !important;
  line-height: 1.4 !important;
  color: #ffffff !important;
  margin: 3rem 0 1.2rem !important;
  padding-left: 1rem;
  border-left: 4px solid var(--accent-cyan);
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.08) 0%, transparent 100%);
  padding-top: 0.4rem;
  padding-bottom: 0.4rem;
  border-radius: 0 8px 8px 0;
}

.article-body h3 {
  font-size: clamp(1.1rem, 1.7vw, 1.3rem) !important;
  line-height: 1.4 !important;
  color: #ffffff !important;
  margin: 2rem 0 0.8rem !important;
}

/* Article Lists */
.article-body ul, .article-body ol {
  margin: 1.5rem 0 2rem 1.5rem;
  padding-left: 0.5rem;
}

.article-body li {
  margin-bottom: 0.8rem;
  line-height: 1.8;
  color: #cbd5e1;
}

.article-body ul li {
  list-style-type: disc;
}

.article-body ul li::marker {
  color: var(--accent-cyan);
}

.article-body ol li::marker {
  color: var(--accent-cyan);
  font-weight: 700;
}

.article-body strong {
  color: #ffffff;
  font-weight: 600;
}

/* Article Code & Blockquotes */
.article-body code {
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-cyan);
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.9em;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.article-body pre {
  background: rgba(10, 16, 30, 0.85);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  overflow-x: auto;
  margin: 1.8rem 0;
}

.article-body pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: #e2e8f0;
}

.article-body blockquote {
  border-left: 4px solid var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
  padding: 1.2rem 1.5rem;
  margin: 2rem 0;
  border-radius: 0 10px 10px 0;
  color: #e2e8f0;
  font-style: normal;
}

/* Article Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 2.5rem 0;
  border-radius: var(--radius-md);
}

.editorial-table, .article-body table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(13, 22, 42, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.editorial-table th, .article-body th {
  background: rgba(56, 189, 248, 0.15);
  color: #ffffff;
  padding: 1.1rem 1.25rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border-glass);
}

.editorial-table td, .article-body td {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.95rem;
  color: #cbd5e1;
}

.editorial-table tr:hover td, .article-body tr:hover td {
  background: rgba(56, 189, 248, 0.04);
}

.editorial-table tr:last-child td, .article-body tr:last-child td {
  border-bottom: none;
}

/* Article Callout Boxes */
.article-cta-box {
  margin: 4rem 0;
  padding: 2.8rem 2.2rem;
  background: radial-gradient(ellipse at top right, rgba(56, 189, 248, 0.18), rgba(13, 22, 42, 0.9));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.article-cta-box h3 {
  font-size: 1.65rem;
  margin-bottom: 0.9rem;
  color: #ffffff;
  font-family: var(--font-sans);
}

.article-cta-box p {
  max-width: 680px;
  margin: 0 auto 2rem;
  color: #94a3b8;
  font-size: 1.02rem;
  line-height: 1.7;
}

/* Article Navigation / Pagination */
.article-nav-pagination {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  gap: 1.5rem;
  flex-wrap: wrap;
}

.article-nav-card {
  flex: 1 1 300px;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: var(--bg-card-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  text-decoration: none !important;
  transition: var(--transition);
}

.article-nav-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(56, 189, 248, 0.2);
}

.article-nav-card.nav-next {
  text-align: right;
  margin-left: auto;
}

.article-nav-card .nav-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-nav-card .nav-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.45;
  transition: var(--transition);
}

.article-nav-card:hover .nav-title {
  color: var(--accent-cyan);
}

/* Site Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: #020409;
  padding: 4rem 1.5rem 2.5rem;
  margin-top: 4rem;
  position: relative;
  z-index: 10;
}

.site-footer .container {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
  font-family: var(--font-sans);
  font-weight: 600;
}

.footer-col ul {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

.footer-col ul li {
  margin-bottom: 0.7rem !important;
  list-style: none !important;
  list-style-type: none !important;
}

.footer-col ul li a, .footer-col ul li a:visited {
  color: var(--text-secondary);
  font-size: 0.92rem;
  transition: var(--transition);
  text-decoration: none;
}

.footer-col ul li a:hover {
  color: #ffffff;
  padding-left: 3px;
}

.footer-bottom {
  max-width: 1280px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}