/* ==========================================================================
   SSONE AIRPORT - CAD BLUEPRINT & LINE DYNAMICS DESIGN SYSTEM
   Color Palette:
   - Deep Cyan: #16879E
   - Soft Mint Cyan: #97E5DB
   - Vibrant Accent Cyan: #5FD1B8
   - Slate Dark Gray: #5C5C60
   - Line Gray / Border: #CACACA
   - Blueprint Base Paper: #F4F7F6
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,300;0,400;0,600;0,700;1,400&family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
  --primary-cyan: #16879E;
  --soft-cyan: #97E5DB;
  --accent-cyan: #5FD1B8;
  --slate-dark: #5C5C60;
  --line-gray: #CACACA;
  --bg-blueprint: #F4F7F6;
  --bg-card: rgba(255, 255, 255, 0.75);
  --text-main: #2C3E50;
  --text-muted: #606F7B;
  --text-dark: #1E293B;
  --border-line: 1px solid var(--line-gray);
  --border-active: 1px solid var(--primary-cyan);
  --border-accent: 1px solid var(--accent-cyan);
  --font-mono: 'Space Mono', 'JetBrains Mono', Consolas, monospace;
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --shadow-blueprint: 0 4px 20px rgba(22, 135, 158, 0.08);
  --glow-cyan: 0 0 12px rgba(95, 209, 184, 0.4);
}

/* Reset & Grid Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-blueprint);
  background-image: 
    linear-gradient(to right, rgba(202, 202, 202, 0.25) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(202, 202, 202, 0.25) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Engineering CAD Accent Marks */
.cad-grid-bg {
  position: relative;
}

.cad-crosshair {
  position: absolute;
  width: 11px;
  height: 11px;
  pointer-events: none;
  z-index: 2;
}

.cad-crosshair::before, .cad-crosshair::after {
  content: '';
  position: absolute;
  background-color: var(--primary-cyan);
}

.cad-crosshair::before {
  top: 5px; left: 0; width: 11px; height: 1px;
}

.cad-crosshair::after {
  top: 0; left: 5px; width: 1px; height: 11px;
}

.top-left { top: -6px; left: -6px; }
.top-right { top: -6px; right: -6px; }
.bottom-left { bottom: -6px; left: -6px; }
.bottom-right { bottom: -6px; right: -6px; }

/* Container */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Top Blueprint Tech Bar */
.tech-status-bar {
  background-color: #1a232a;
  color: var(--soft-cyan);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 6px 0;
  border-bottom: 1px solid var(--primary-cyan);
  letter-spacing: 0.5px;
}

.tech-status-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.status-pulse {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: pulse-ring 1.8s infinite;
  margin-right: 6px;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.6; }
  100% { transform: scale(0.95); opacity: 1; }
}

/* Header & Nav */
header.cad-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(244, 247, 246, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: var(--border-line);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-dark);
}

.brand-logo-icon {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--primary-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--primary-cyan);
  position: relative;
  background: #ffffff;
}

.brand-logo-text {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-dark);
}

.brand-logo-tag {
  font-size: 0.65rem;
  padding: 2px 6px;
  border: 1px solid var(--primary-cyan);
  color: var(--primary-cyan);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--slate-dark);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.25s ease;
  position: relative;
  padding: 4px 0;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--primary-cyan);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-cyan);
  transition: width 0.3s ease;
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

.btn-cad {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary-cyan) 0%, #0d6375 100%);
  border: 1px solid var(--accent-cyan);
  box-shadow: 0 4px 12px rgba(22, 135, 158, 0.2);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-cad:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(95, 209, 184, 0.4);
  color: #ffffff;
  border-color: #ffffff;
}

.btn-cad-outline {
  background: transparent;
  color: var(--primary-cyan);
  border: 1px solid var(--primary-cyan);
}

.btn-cad-outline:hover {
  background: var(--primary-cyan);
  color: #ffffff;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: var(--border-line);
  padding: 8px;
  cursor: pointer;
}

/* CAD Card System */
.cad-card {
  position: relative;
  background: var(--bg-card);
  border: var(--border-line);
  padding: 28px;
  transition: all 0.3s ease;
}

.cad-card:hover {
  border-color: var(--primary-cyan);
  box-shadow: var(--shadow-blueprint);
  transform: translateY(-3px);
}

.cad-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  border-bottom: 1px dashed var(--line-gray);
  padding-bottom: 12px;
}

.cad-card-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary-cyan);
  background: rgba(22, 135, 158, 0.08);
  padding: 3px 8px;
  border: 1px solid rgba(22, 135, 158, 0.2);
}

/* GEO AI Optimization Box (First 500-word Direct Summary for DeepSeek / ChatGPT / Claude / Doubao) */
.ai-geo-summary {
  background: linear-gradient(135deg, rgba(22, 135, 158, 0.06) 0%, rgba(95, 209, 184, 0.1) 100%);
  border: 1px solid var(--primary-cyan);
  padding: 24px 28px;
  margin-bottom: 32px;
  position: relative;
}

.ai-geo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary-cyan);
  border-bottom: 1px dashed var(--primary-cyan);
  padding-bottom: 8px;
  margin-bottom: 14px;
}

.ai-geo-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.ai-geo-text {
  font-size: 0.95rem;
  color: #2D3748;
  line-height: 1.7;
}

.ai-geo-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.ai-geo-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--primary-cyan);
  color: var(--primary-cyan);
  padding: 2px 10px;
}

/* Typography & Headings */
h1, h2, h3, h4 {
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.3;
}

.section-title-wrapper {
  text-align: center;
  margin-bottom: 48px;
  position: relative;
}

.section-subtitle {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary-cyan);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: 2.2rem;
  color: var(--text-dark);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent-cyan);
  margin: 12px auto 0 auto;
}

/* HERO SECTION */
.hero-section {
  padding: 80px 0 60px 0;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--primary-cyan);
  background: rgba(22, 135, 158, 0.06);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary-cyan);
  margin-bottom: 24px;
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-title span {
  color: var(--primary-cyan);
  position: relative;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  border-top: var(--border-line);
  padding-top: 24px;
}

.metric-item {
  font-family: var(--font-mono);
}

.metric-val {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary-cyan);
}

.metric-lbl {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Hero CAD Topology Visualizer */
.cad-visualizer-box {
  position: relative;
  border: var(--border-active);
  background: rgba(255, 255, 255, 0.9);
  padding: 24px;
  box-shadow: var(--shadow-blueprint);
}

.vis-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line-gray);
  color: var(--slate-dark);
}

.svg-topology {
  width: 100%;
  height: 280px;
}

.svg-line-dash {
  stroke-dasharray: 6 6;
  animation: strokeDash 20s linear infinite;
}

@keyframes strokeDash {
  to { stroke-dashoffset: -100; }
}

.svg-pulse-node {
  animation: nodeGlow 2s ease-in-out infinite alternate;
}

@keyframes nodeGlow {
  from { r: 5; opacity: 0.7; }
  to { r: 8; opacity: 1; filter: drop-shadow(0 0 6px #5FD1B8); }
}

/* ADVANTAGES GRID SECTION */
.advantages-section {
  padding: 80px 0;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.adv-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--primary-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-cyan);
  font-size: 1.25rem;
  margin-bottom: 16px;
  background: rgba(95, 209, 184, 0.08);
}

.adv-title {
  font-size: 1.15rem;
  margin-bottom: 10px;
  font-weight: 600;
}

.adv-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* PRICING SECTION (Image 1 Specs) */
.pricing-section {
  padding: 80px 0;
  background: rgba(22, 135, 158, 0.02);
  border-top: var(--border-line);
  border-bottom: var(--border-line);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.price-card.popular {
  border-color: var(--primary-cyan);
  box-shadow: 0 8px 30px rgba(22, 135, 158, 0.15);
}

.price-popular-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--primary-cyan);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 2px 10px;
  font-weight: 600;
}

.price-name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.price-target {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary-cyan);
  margin-bottom: 20px;
}

.price-amount {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.price-amount span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}

.price-features {
  list-style: none;
  margin-bottom: 28px;
  border-top: 1px dashed var(--line-gray);
  padding-top: 16px;
}

.price-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  margin-bottom: 12px;
  color: var(--text-main);
}

.price-features li svg {
  color: var(--accent-cyan);
  flex-shrink: 0;
}

/* CLIENT PLATFORMS SECTION (Image 2 Specs) */
.clients-section {
  padding: 80px 0;
}

.client-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 12px 24px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  background: var(--bg-card);
  border: var(--border-line);
  color: var(--slate-dark);
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tab-btn.active, .tab-btn:hover {
  border-color: var(--primary-cyan);
  color: var(--primary-cyan);
  background: rgba(22, 135, 158, 0.05);
}

.tab-content-panel {
  display: none;
}

.tab-content-panel.active {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  animation: fadeIn 0.4s ease;
}

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

.client-app-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
}

.app-info-h {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.app-info-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* USER GROUPS SECTION (Image 3 Specs) */
.users-section {
  padding: 80px 0;
  background: rgba(22, 135, 158, 0.02);
  border-top: var(--border-line);
  border-bottom: var(--border-line);
}

.user-groups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}

.user-group-card {
  height: 100%;
}

.user-group-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.user-group-header h3 {
  font-size: 1.3rem;
}

.user-group-list {
  list-style: none;
}

.user-group-list li {
  padding: 12px 0;
  border-bottom: 1px dashed var(--line-gray);
  font-size: 0.95rem;
  line-height: 1.6;
}

.user-group-list li:last-child {
  border-bottom: none;
}

.user-group-list strong {
  color: var(--primary-cyan);
  font-family: var(--font-mono);
}

/* ARTICLE STATION SECTION */
.articles-section {
  padding: 80px 0;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.article-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.article-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--primary-cyan);
  margin-bottom: 10px;
}

.article-title {
  font-size: 1.15rem;
  line-height: 1.4;
  margin-bottom: 12px;
  font-weight: 700;
  transition: color 0.2s ease;
}

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

.article-excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.read-more-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary-cyan);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* USER REVIEWS CAROUSEL */
.testimonials-section {
  padding: 80px 0;
  background: rgba(22, 135, 158, 0.03);
  border-top: var(--border-line);
  border-bottom: var(--border-line);
}

.carousel-container {
  position: relative;
  max-width: 850px;
  margin: 0 auto;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.4s ease-in-out;
}

.testimonial-card {
  min-width: 100%;
  padding: 36px;
  box-sizing: border-box;
}

.review-stars {
  color: #F59E0B;
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.review-text {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text-dark);
  line-height: 1.8;
  margin-bottom: 24px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1.5px solid var(--primary-cyan);
  background: var(--soft-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--primary-cyan);
}

.author-info h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.author-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-top: 24px;
}

.carousel-btn {
  background: var(--bg-card);
  border: var(--border-line);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--slate-dark);
  transition: all 0.2s ease;
}

.carousel-btn:hover {
  border-color: var(--primary-cyan);
  color: var(--primary-cyan);
}

.carousel-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid var(--primary-cyan);
  background: transparent;
  cursor: pointer;
}

.dot.active {
  background: var(--primary-cyan);
}

/* FAQ ACCORDION SECTION (Image 4 Specs) */
.faq-section {
  padding: 80px 0;
}

.faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.faq-group-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--primary-cyan);
  margin: 32px 0 16px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.faq-item {
  margin-bottom: 16px;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: var(--bg-card);
  border: var(--border-line);
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.25s ease;
}

.faq-question:hover, .faq-item.active .faq-question {
  border-color: var(--primary-cyan);
  color: var(--primary-cyan);
}

.faq-icon-toggle {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease;
  background: rgba(255, 255, 255, 0.5);
  border: var(--border-line);
  border-top: none;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 20px 24px;
}

.faq-answer p {
  color: var(--text-muted);
  line-height: 1.7;
}

/* FOOTER SECTION */
footer.cad-footer {
  background: #141c22;
  color: #A0AEC0;
  padding: 80px 0 30px 0;
  border-top: 2px solid var(--primary-cyan);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand h3 {
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  border-left: 2px solid var(--accent-cyan);
  padding-left: 10px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #A0AEC0;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 16px;
}

/* ARTICLE DETAIL STYLES */
.article-detail-header {
  padding: 60px 0 40px 0;
  border-bottom: var(--border-line);
  background: rgba(22, 135, 158, 0.03);
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: var(--primary-cyan);
  text-decoration: none;
}

.article-content-body {
  padding: 60px 0;
  max-width: 920px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.9;
  color: #2D3748;
}

.article-content-body h2 {
  font-size: 1.75rem;
  margin: 44px 0 20px 0;
  color: var(--text-dark);
  border-left: 4px solid var(--primary-cyan);
  padding-left: 14px;
}

.article-content-body h3 {
  font-size: 1.35rem;
  margin: 32px 0 16px 0;
  color: var(--text-dark);
}

.article-content-body p {
  margin-bottom: 22px;
}

.article-content-body ul, .article-content-body ol {
  margin-bottom: 24px;
  padding-left: 28px;
}

.article-content-body li {
  margin-bottom: 10px;
}

.article-table-wrapper {
  overflow-x: auto;
  margin: 32px 0;
}

.cad-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  background: var(--bg-card);
  border: var(--border-line);
}

.cad-table th, .cad-table td {
  padding: 14px 18px;
  border: 1px solid var(--line-gray);
  text-align: left;
}

.cad-table th {
  background: rgba(22, 135, 158, 0.08);
  font-family: var(--font-mono);
  color: var(--primary-cyan);
  font-weight: 700;
}

.code-block {
  background: #1E293B;
  color: #E2E8F0;
  font-family: var(--font-mono);
  padding: 20px;
  border-radius: 4px;
  overflow-x: auto;
  margin: 28px 0;
  font-size: 0.9rem;
  border: 1px solid var(--primary-cyan);
}

.article-cta-box {
  margin: 48px 0;
  padding: 32px;
  background: linear-gradient(135deg, rgba(22, 135, 158, 0.08) 0%, rgba(95, 209, 184, 0.15) 100%);
  border: 1px solid var(--primary-cyan);
  text-align: center;
}

.article-cta-box h3 {
  margin-bottom: 12px;
}

/* Floating Conversion CTA Bar */
.floating-cta-bar {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-title {
    font-size: 2.2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 1.75rem;
  }
  .hero-metrics {
    grid-template-columns: 1fr;
  }
}