/* ==========================================================================
   好鸭云 Network Studio - Soft Forest Research Studio Design System
   Color Palette:
   - Primary Background: #F3F6F0 (Soft Sage White)
   - Dark Forest Text: #1D3A32
   - Sage Accent: #D5E2D7
   - Warm Beige Accent: #E9DFCE
   - Border / Line: #C8DACD
   ========================================================================== */

:root {
  --bg-main: #F3F6F0;
  --bg-surface: #FFFFFF;
  --bg-beige: #E9DFCE;
  --bg-sage-light: #EBF1EC;
  --bg-dark: #1D3A32;
  
  --text-primary: #1D3A32;
  --text-secondary: #3D5F54;
  --text-muted: #648277;
  --text-on-dark: #F3F6F0;
  --text-on-dark-muted: #A3C2B6;

  --accent-sage: #D5E2D7;
  --accent-warm: #E9DFCE;
  --accent-forest-hover: #2C564B;
  --accent-gold: #C2A649;
  
  --border-subtle: #D5E2D7;
  --border-medium: #BACDC0;
  --border-dark: #1D3A32;

  --font-serif: "Noto Serif SC", "Songti SC", "Source Han Serif SC", STSong, "SimSun", serif;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace;

  --h1-desktop: 56px;
  --h1-mobile: 36px;
  --body-desktop: 17px;
  --body-mobile: 16px;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-subtle: 0 4px 20px rgba(29, 58, 50, 0.05);
  --shadow-card: 0 10px 30px rgba(29, 58, 50, 0.07);
  --shadow-hover: 0 16px 40px rgba(29, 58, 50, 0.12);

  --max-width: 1240px;
  --max-width-narrow: 880px;
  --transition-normal: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
  font-family: var(--font-sans);
  font-size: var(--body-desktop);
  line-height: 1.65;
  color: var(--text-primary);
  background-color: var(--bg-main);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 3px solid var(--text-primary);
  outline-offset: 3px;
}

/* Typography */
h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
}

h1 {
  font-size: var(--h1-desktop);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

h2 {
  font-size: 32px;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

p {
  font-size: var(--body-desktop);
  color: var(--text-secondary);
  margin-bottom: 16px;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-normal);
}

a:hover {
  color: var(--accent-forest-hover);
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

li {
  margin-bottom: 8px;
  color: var(--text-secondary);
}

/* Scientific Label Component */
.scientific-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background-color: rgba(213, 226, 215, 0.6);
  border: 1px solid var(--border-medium);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.scientific-tag::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--text-primary);
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  width: 100%;
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-outlined {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-beige {
  background-color: var(--bg-beige);
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-on-dark);
}

.section-dark h1,
.section-dark h2,
.section-dark h3 {
  color: var(--text-on-dark);
}

.section-dark p {
  color: var(--text-on-dark-muted);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px auto;
}

.section-header h2 {
  margin-top: 8px;
}

.section-header p {
  font-size: 18px;
}

/* Buttons */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 100px;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--brand-forest);
  color: var(--bg-main);
  box-shadow: 0 4px 14px rgba(29, 58, 50, 0.2);
}

.btn-primary:hover {
  background-color: var(--accent-forest-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(29, 58, 50, 0.3);
}

.btn-secondary {
  background-color: var(--accent-sage);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background-color: #C2D5C6;
  color: var(--text-primary);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background-color: var(--brand-forest);
  color: var(--bg-main);
  transform: translateY(-2px);
}

.btn-dark-primary {
  background-color: var(--bg-main);
  color: var(--brand-forest);
}

.btn-dark-primary:hover {
  background-color: #FFFFFF;
  color: var(--brand-forest);
  transform: translateY(-2px);
}

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(243, 246, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--brand-forest);
  color: var(--bg-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-family: var(--font-mono);
}

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

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 0;
  position: relative;
}

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

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--brand-forest);
  transition: width var(--transition-normal);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--text-primary);
}

.mobile-menu-toggle svg {
  width: 28px;
  height: 28px;
}

/* Mobile Menu Modal/Drawer */
.mobile-menu {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  background-color: var(--bg-main);
  border-bottom: 1px solid var(--border-medium);
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
  z-index: 999;
}

.mobile-menu.is-active {
  display: block;
}

.mobile-menu-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.mobile-menu-links a {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

/* Hero Section */
.hero {
  padding: 60px 0 90px 0;
  overflow: hidden;
}

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

.hero-content h1 {
  margin-top: 8px;
}

.hero-description {
  font-size: 19px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* Hero Network Ecosystem Dashboard */
.ecosystem-dashboard {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-card);
  position: relative;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--border-subtle);
  margin-bottom: 24px;
}

.dashboard-title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dashboard-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  background-color: var(--bg-sage-light);
  padding: 4px 10px;
  border-radius: 100px;
}

.network-svg-container {
  width: 100%;
  height: 300px;
  position: relative;
}

.network-svg-container svg {
  width: 100%;
  height: 100%;
}

.node-label-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.node-card {
  background-color: var(--bg-main);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px;
  text-align: center;
}

.node-code {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-forest);
}

.node-name {
  font-size: 13px;
  color: var(--text-muted);
}

/* Feature Sections & Bento Blocks */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.bento-col-8 { grid-column: span 8; }
.bento-col-4 { grid-column: span 4; }
.bento-col-6 { grid-column: span 6; }
.bento-col-12 { grid-column: span 12; }

.bento-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

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

.bento-card-beige {
  background-color: var(--bg-beige);
  border-color: #DCD0BB;
}

.bento-card-sage {
  background-color: var(--bg-sage-light);
  border-color: var(--border-medium);
}

.bento-card-dark {
  background-color: #1D3A32 !important;
  color: #FFFFFF !important;
  border-color: #1D3A32 !important;
}

.bento-card-dark h1,
.bento-card-dark h2,
.bento-card-dark h3,
.bento-card-dark h4 {
  color: #FFFFFF !important;
}

.bento-card-dark p {
  color: #D5E2D7 !important;
}

.bento-card-dark .scientific-tag {
  background-color: #2C564B !important;
  color: #FFFFFF !important;
  border-color: #5A8577 !important;
}

.bento-card-dark .scientific-tag::before {
  background-color: #D5E2D7 !important;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--accent-sage);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--brand-forest);
}

/* Heterogeneous Alternating Sections */
.alt-feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}

.alt-feature-row:last-child {
  margin-bottom: 0;
}

.alt-feature-row.reverse {
  direction: rtl;
}

.alt-feature-row.reverse > * {
  direction: ltr;
}

.feature-panel {
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 40px;
  background-color: var(--bg-surface);
  position: relative;
  overflow: hidden;
}

.feature-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background-color: var(--brand-forest);
}

/* Global Nodes Grid */
.nodes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.node-detail-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
}

.node-header-tag {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.node-flag {
  font-size: 28px;
}

.node-features-list {
  list-style: none;
  padding: 0;
  margin-top: 16px;
}

.node-features-list li {
  font-size: 14px;
  padding-left: 18px;
  position: relative;
  margin-bottom: 6px;
}

.node-features-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--brand-forest);
  font-weight: bold;
}

/* AI & Streaming Cards Grid */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.scenario-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.scenario-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.scenario-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 4px;
  background-color: var(--bg-beige);
  color: var(--text-primary);
  align-self: flex-start;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: stretch;
}

.pricing-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.pricing-card.featured {
  border: 2px solid var(--brand-forest);
  background-color: #FFFFFF;
  box-shadow: var(--shadow-hover);
}

.pricing-ribbon {
  position: absolute;
  top: -14px;
  right: 24px;
  background-color: var(--brand-forest);
  color: var(--bg-main);
  font-size: 12px;
  font-family: var(--font-mono);
  padding: 4px 14px;
  border-radius: 100px;
  font-weight: 700;
}

.pricing-header h3 {
  font-size: 24px;
  margin-bottom: 8px;
}

.pricing-price-box {
  background-color: var(--bg-sage-light);
  border: 1px solid var(--border-medium);
  padding: 18px 16px;
  border-radius: var(--radius-md);
  margin: 20px 0;
  text-align: center;
}

.price-amount {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 700;
  color: var(--brand-forest);
  line-height: 1;
  margin-bottom: 6px;
}

.price-period {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
}

.price-meta {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.pricing-placeholder-box {
  background-color: var(--bg-beige);
  border: 1px dashed var(--border-dark);
  padding: 16px;
  border-radius: var(--radius-md);
  margin: 20px 0;
  font-size: 14px;
  color: var(--text-primary);
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}

.pricing-features li {
  font-size: 15px;
  padding-left: 24px;
  position: relative;
  margin-bottom: 12px;
}

.pricing-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--brand-forest);
  font-weight: bold;
}

/* 3x3 Desktop SEO Article Grid */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.article-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-medium);
}

.article-category {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.article-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
  line-height: 1.4;
}

.article-card p {
  font-size: 15px;
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-forest);
}

/* Testimonials Section */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-editor-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  background-color: var(--bg-main);
  border: 1px solid var(--border-subtle);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.testimonial-quote {
  font-size: 16px;
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.testimonial-author {
  font-weight: 600;
  font-size: 15px;
  color: var(--text-secondary);
}

.testimonial-author-role {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: normal;
}

/* FAQ Accordion Section */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.faq-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-normal);
}

.faq-item[open] {
  border-color: var(--border-dark);
}

.faq-summary {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  padding: 24px 28px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-primary);
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 400;
  color: var(--text-secondary);
  transition: transform var(--transition-normal);
}

.faq-item[open] .faq-summary::after {
  content: "−";
}

.faq-content {
  padding: 0 28px 24px 28px;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.7;
}

/* Footer Section */
.footer {
  background-color: var(--bg-dark);
  color: var(--text-on-dark);
  padding: 64px 0 32px 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  color: var(--text-on-dark);
  margin-bottom: 16px;
}

.footer-brand .logo-icon {
  background-color: var(--bg-main);
  color: var(--brand-forest);
}

.footer-brand p {
  color: var(--text-on-dark-muted);
  font-size: 15px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 16px;
  color: var(--text-on-dark);
  margin-bottom: 20px;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  padding: 0;
}

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

.footer-links a {
  color: var(--text-on-dark-muted);
  font-size: 15px;
}

.footer-links a:hover {
  color: var(--text-on-dark);
}

.footer-bottom {
  border-top: 1px solid rgba(213, 226, 215, 0.15);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--text-on-dark-muted);
}

/* Breadcrumb Component */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-secondary);
}

.breadcrumb a:hover {
  color: var(--text-primary);
}

.breadcrumb-separator {
  color: var(--border-dark);
}

/* Article Page Styling */
.article-header {
  padding: 40px 0;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 40px;
}

.article-header h1 {
  font-size: 42px;
  margin-top: 12px;
}

.article-meta {
  display: flex;
  gap: 20px;
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 16px;
  font-family: var(--font-mono);
}

.article-body {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-primary);
}

.article-body h2 {
  font-size: 28px;
  margin: 40px 0 20px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.article-body h3 {
  font-size: 22px;
  margin: 28px 0 16px 0;
}

.article-body blockquote {
  border-left: 4px solid var(--brand-forest);
  padding: 16px 24px;
  background-color: var(--bg-sage-light);
  margin: 24px 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

.article-body th, .article-body td {
  border: 1px solid var(--border-subtle);
  padding: 12px 16px;
  text-align: left;
}

.article-body th {
  background-color: var(--bg-sage-light);
  font-weight: 700;
}

.related-articles {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
}

/* Slow Network Pulse Animation */
@keyframes networkPulse {
  0% { transform: scale(0.95); opacity: 0.6; }
  50% { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.6; }
}

.pulse-circle {
  animation: networkPulse 4s infinite ease-in-out;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  :root {
    --h1-desktop: 44px;
  }

  .bento-col-8, .bento-col-4, .bento-col-6 {
    grid-column: span 12;
  }

  .nodes-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  :root {
    --h1-desktop: 36px;
    --body-desktop: 16px;
  }

  .section {
    padding: 56px 0;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .nav-links, .nav-actions .btn {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .alt-feature-row {
    grid-template-columns: 1fr;
  }

  .nodes-grid, .scenario-grid, .article-grid, .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

/* Honor Prefers-Reduced-Motion */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .pulse-circle {
    animation: none !important;
  }
}