/* ==========================================================================
   云图机场 Premium Light Bento Grid Design System
   Color Palette: #F7F8FC (Main), #FFFFFF (Card), #F1F5F9 (Alt Surface)
   ========================================================================== */

:root {
  --bg-main: #F7F8FC;
  --bg-card: #FFFFFF;
  --bg-alt: #F1F5F9;
  --bg-dark-accent: #0F172A;
  
  --border-color: #E2E8F0;
  --border-focus: #CBD5E1;
  --border-subtle: rgba(226, 232, 240, 0.8);
  --border-gradient: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(59, 130, 246, 0.3));

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-light: #94A3B8;

  --accent-primary: #4F46E5;
  --accent-blue: #2563EB;
  --accent-purple: #7C3AED;
  --accent-cyan: #0891B2;
  --accent-emerald: #059669;

  --gradient-primary: linear-gradient(135deg, #6366F1 0%, #3B82F6 50%, #8B5CF6 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(99, 102, 241, 0.06) 0%, rgba(59, 130, 246, 0.06) 100%);
  --gradient-glow: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.12) 0%, rgba(247, 248, 252, 0) 70%);

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --shadow-hover: 0 16px 36px -4px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(99, 102, 241, 0.12);

  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

html {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  background-image: var(--gradient-glow);
  background-repeat: no-repeat;
  background-position: top center;
  background-size: 100% 800px;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

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

button, input {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography Helpers */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 9999px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--accent-primary);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-tag .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.8; box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.4); }
  70% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 6px rgba(79, 70, 229, 0); }
  100% { transform: scale(0.95); opacity: 0.8; box-shadow: 0 0 0 0 rgba(79, 70, 229, 0); }
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px auto;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-top: 12px;
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Buttons & CTAs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.35);
  opacity: 0.96;
}

.btn-secondary {
  background: #FFFFFF;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-alt);
  border-color: var(--border-focus);
  transform: translateY(-1px);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 248, 252, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  height: 72px;
  display: flex;
  align-items: center;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.logo-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: 900;
  font-size: 1.1rem;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

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

.nav-links a {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--accent-primary);
}

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

.hamburger-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.hamburger-btn span {
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  transition: transform var(--transition-fast);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  z-index: 99;
}

.mobile-nav-drawer.active {
  display: block;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.mobile-nav-links a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Hero Section */
.hero-section {
  padding: 72px 0 80px 0;
}

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

.hero-content h1 {
  font-size: 3.25rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 16px 0 20px 0;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 32px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.stat-item .stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Premium Light Bento Dashboard (Hero Right) */
.hero-dashboard-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
}

.dashboard-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.dashboard-status-badge {
  background: rgba(5, 150, 105, 0.1);
  color: var(--accent-emerald);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.dashboard-status-badge .online-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
  animation: pulse-dot 1.5s infinite;
}

.nodes-mini-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.node-item {
  background: var(--bg-alt);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: transform var(--transition-fast);
}

.node-item:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
}

.node-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.flag-icon {
  font-size: 1.1rem;
}

.node-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
}

.node-type {
  font-size: 0.725rem;
  color: var(--text-muted);
}

.node-ping {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-emerald);
  background: #FFFFFF;
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

/* Light Graph Card */
.dashboard-graph-box {
  background: var(--bg-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
}

.graph-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-size: 0.825rem;
  color: var(--text-secondary);
}

.graph-value {
  font-weight: 800;
  color: var(--accent-primary);
  font-size: 0.95rem;
}

.bar-chart-visual {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 64px;
  padding-top: 10px;
}

.chart-bar {
  flex: 1;
  background: linear-gradient(180deg, #6366F1 0%, #3B82F6 100%);
  border-radius: 4px;
  transition: height 0.5s ease;
  min-height: 12px;
  opacity: 0.85;
}

.chart-bar:hover {
  opacity: 1;
}

/* Bento Grid System */
.bento-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.bento-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

.bento-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-subtle);
  border: 1px solid rgba(99, 102, 241, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.bento-card h3 {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.bento-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.bento-span-2 {
  grid-column: span 2;
}

/* AI & Streaming Bento Grid Cards */
.ai-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.tech-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  background: var(--bg-alt);
  border: 1px solid var(--border-color);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.tech-chip:hover {
  border-color: var(--accent-primary);
  background: #FFFFFF;
}

/* Pricing Section */
.pricing-section {
  padding: 80px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-md);
  position: relative;
  transition: transform var(--transition-normal);
}

.pricing-card:hover {
  transform: translateY(-4px);
}

.pricing-card.featured {
  border: 2px solid var(--accent-primary);
  box-shadow: 0 12px 32px -4px rgba(99, 102, 241, 0.2);
}

.featured-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: #FFFFFF;
  font-size: 0.775rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: 999px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

.plan-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 28px;
}

.price-currency {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.price-num {
  font-size: 2.75rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1;
}

.price-period {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.plan-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.feature-li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.check-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(5, 150, 105, 0.12);
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  flex-shrink: 0;
}

/* SEO Article Cards */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

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

.article-category {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.article-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.article-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 20px;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.read-more-link {
  font-weight: 600;
  color: var(--accent-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Testimonials */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.stars {
  color: #F59E0B;
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.testimonial-text {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-subtle);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent-primary);
}

.user-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.user-role {
  font-size: 0.775rem;
  color: var(--text-muted);
}

/* FAQ Accordion */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px 24px;
  transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Footer */
.site-footer {
  background: #FFFFFF;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 32px 0;
  margin-top: 90px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 12px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.recommended-sites {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.recommended-sites a {
  color: var(--accent-primary);
  font-weight: 500;
}

.recommended-sites a:hover {
  text-decoration: underline;
}

/* SEO Article Page Styles */
.article-page {
  padding: 48px 0 80px 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

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

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

.article-header {
  max-width: 840px;
  margin-bottom: 36px;
}

.article-header h1 {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-top: 12px;
  margin-bottom: 16px;
  line-height: 1.25;
}

.article-body {
  max-width: 840px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.article-body h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 36px 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 24px 0 12px 0;
}

.article-body p {
  margin-bottom: 20px;
}

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

.article-body li {
  margin-bottom: 8px;
}

.article-cta-box {
  background: var(--gradient-subtle);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin: 40px 0;
  text-align: center;
}

.article-cta-box h3 {
  font-size: 1.35rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.article-cta-box p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

/* System Pages (About, Terms, Sitemap, Privacy) */
.page-container {
  max-width: 900px;
  margin: 48px auto 80px auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}

.page-title {
  font-size: 2.25rem;
  font-weight: 900;
  margin-bottom: 24px;
  color: var(--text-primary);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .bento-grid-3, .pricing-grid, .article-grid, .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-span-2 {
    grid-column: span 2;
  }

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

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn {
    display: none;
  }

  .hamburger-btn {
    display: flex;
  }

  .hero-content h1 {
    font-size: 2.25rem;
  }

  .bento-grid-3, .bento-grid-2, .pricing-grid, .article-grid, .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .bento-span-2 {
    grid-column: span 1;
  }

  .nodes-mini-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 430px) {
  .container {
    padding: 0 16px;
  }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  .section-title {
    font-size: 1.75rem;
  }
}