/* ==========================================================================
   影子机场 (影子网络) - Modern SaaS Design System (Stripe / Linear / Vercel Aesthetic)
   ========================================================================== */

:root {
  --bg-main: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-alt: #f1f5f9;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --text-main: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  /* Brand Gradient: Indigo -> Cyan */
  --primary-start: #6366f1;
  --primary-end: #22d3ee;
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --primary-gradient-hover: linear-gradient(135deg, #4f46e5 0%, #0891b2 100%);
  --accent-glow: rgba(99, 102, 241, 0.15);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.08);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.25);
  
  --container-max: 1120px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  letter-spacing: -0.015em;
  overflow-x: hidden;
}

/* Typography Utilities */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #6366f1;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.2);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

.gradient-text {
  background: linear-gradient(135deg, #0f172a 30%, #6366f1 70%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.num-serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: normal;
  letter-spacing: -0.03em;
}

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

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

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

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

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: -0.025em;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: var(--transition);
}

.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;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.logo-badge {
  width: 34px;
  height: 34px;
  background: var(--primary-gradient);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.logo-badge svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

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

.nav-link {
  font-size: 0.938rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  padding: 6px 0;
}

.nav-link:hover {
  color: #6366f1;
}

.nav-link.highlight {
  color: #6366f1;
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.938rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  line-height: 1;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

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

.btn-secondary:hover {
  border-color: #cbd5e1;
  background-color: #f8fafc;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-main);
  background: #f1f5f9;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
}

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

/* Hero Section */
.hero {
  padding: 80px 0 60px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(6, 182, 212, 0.08) 50%, transparent 70%);
  filter: blur(60px);
  z-index: -1;
  pointer-events: none;
}

.hero-content {
  max-width: 860px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.035em;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 720px;
  margin: 0 auto 36px auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-notice {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-notice span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Mockup Display */
.mockup-wrapper {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  perspective: 1000px;
}

.mockup-window {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px -12px rgba(15, 23, 42, 0.12), 0 0 1px 1px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  transition: transform 0.4s ease;
}

.mockup-header {
  background: #f8fafc;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.mockup-title {
  font-size: 0.813rem;
  color: var(--text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.mockup-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: #10b981;
  background: #ecfdf5;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
}

.mockup-body {
  padding: 28px;
  background: #ffffff;
}

.app-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 24px;
  text-align: left;
}

.app-sidebar {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.app-status {
  text-align: center;
  padding: 16px 0;
}

.status-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 16px auto;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
  border: 2px solid #6366f1;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.25);
}

.status-circle svg {
  width: 32px;
  height: 32px;
  color: #6366f1;
}

.status-label {
  font-size: 0.813rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.status-val {
  font-size: 1.125rem;
  font-weight: 700;
  color: #10b981;
}

.node-list-title {
  font-size: 0.813rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.node-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  transition: var(--transition);
}

.node-item:hover {
  border-color: #6366f1;
  background: #fcfdfe;
}

.node-item.active {
  border-color: #6366f1;
  background: #f5f7ff;
}

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

.node-flag {
  font-size: 1.25rem;
}

.node-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
}

.node-type {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.node-ping {
  font-size: 0.75rem;
  font-weight: 700;
  color: #10b981;
  background: #ecfdf5;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.mockup-reflection {
  height: 20px;
  background: linear-gradient(to bottom, rgba(226, 232, 240, 0.4), transparent);
  border-radius: 0 0 16px 16px;
  margin: 0 40px;
}

/* Brands Strip */
.brands-strip {
  padding: 36px 0;
  border-bottom: 1px solid var(--border-color);
  background: #ffffff;
  text-align: center;
}

.brands-label {
  font-size: 0.813rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-light);
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.brands-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.brand-badge svg {
  width: 18px;
  height: 18px;
}

/* Core Advantages: 3 Cards */
.cards-triad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.08);
  color: #6366f1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

.card-desc {
  font-size: 0.938rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

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

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

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

.bento-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

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

.bento-tag {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #06b6d4;
  background: rgba(6, 182, 212, 0.08);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

.bento-stat {
  font-size: 2.75rem;
  color: var(--text-main);
  line-height: 1;
  margin: 16px 0 8px 0;
}

/* Streaming & AI Cards */
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.media-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
}

.media-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.tags-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.tech-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.813rem;
  font-weight: 600;
  padding: 6px 12px;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.tech-tag.success {
  color: #059669;
  background: #ecfdf5;
  border-color: #a7f3d0;
}

/* Three Step Flow */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.flow-step {
  text-align: center;
  position: relative;
  z-index: 2;
}

.step-num-circle {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid #6366f1;
  color: #6366f1;
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px auto;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.2);
}

.flow-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.flow-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Pricing Section */
.pricing-switch-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}

.pricing-switch-btn {
  background: #f1f5f9;
  border-radius: var(--radius-pill);
  padding: 4px;
  display: inline-flex;
  border: 1px solid var(--border-color);
}

.switch-opt {
  padding: 8px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: var(--radius-pill);
  transition: var(--transition);
}

.switch-opt.active {
  background: #ffffff;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.badge-discount {
  font-size: 0.75rem;
  font-weight: 700;
  color: #dc2626;
  background: #fee2e2;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.price-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.price-card.featured {
  border-color: #6366f1;
  box-shadow: 0 12px 36px -4px rgba(99, 102, 241, 0.18);
  transform: scale(1.02);
}

.price-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.featured-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-gradient);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 14px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.price-tier-name {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.price-tier-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  min-height: 42px;
}

.price-amount-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

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

.price-num {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
}

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

.price-features-list {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.price-feat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.price-feat-item svg {
  width: 18px;
  height: 18px;
  color: #10b981;
  flex-shrink: 0;
}

/* Pricing Comparison Table */
.comparison-wrapper {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
  margin-top: 32px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
  background: #f8fafc;
  font-weight: 700;
  color: var(--text-main);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table tr:hover td {
  background: #fcfdfe;
}

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

.review-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: var(--transition);
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.review-stars {
  color: #f59e0b;
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.review-text {
  font-size: 0.938rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar-initial {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #f1f5f9;
  color: #6366f1;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.author-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* FAQ Section */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  background: #ffffff;
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform 0.25s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: #6366f1;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.938rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px 24px;
}

/* Dark Glow Banner CTA */
.dark-cta-banner {
  background: #0f172a;
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.4);
}

.banner-glow {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 300px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.45) 0%, rgba(6, 182, 212, 0.2) 60%, transparent 80%);
  filter: blur(50px);
  pointer-events: none;
}

.dark-cta-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
  letter-spacing: -0.025em;
  position: relative;
  z-index: 2;
}

.dark-cta-desc {
  font-size: 1.1rem;
  color: #94a3b8;
  max-width: 600px;
  margin: 0 auto 32px auto;
  position: relative;
  z-index: 2;
}

.dark-cta-actions {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Footer (4 Columns) */
.footer {
  background: #f8fafc;
  border-top: 1px solid var(--border-color);
  padding: 64px 0 32px 0;
  font-size: 0.875rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 48px;
}

.footer-brand-col {
  max-width: 320px;
}

.footer-desc {
  color: var(--text-muted);
  line-height: 1.6;
  margin-top: 14px;
}

.footer-title {
  font-size: 0.938rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 18px;
}

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

.footer-nav-list li {
  margin-bottom: 10px;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.footer-link:hover {
  color: #6366f1;
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-light);
  font-size: 0.813rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* Articles Hub & Post Page Styles */
.article-header {
  padding: 60px 0 36px 0;
  background: #f8fafc;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 16px;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 48px 0;
}

.article-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.article-category {
  font-size: 0.75rem;
  font-weight: 700;
  color: #6366f1;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.article-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-main);
  margin-bottom: 12px;
}

.article-card-snippet {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-light);
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
}

.article-content-body {
  max-width: 800px;
  margin: 48px auto;
  font-size: 1.05rem;
  line-height: 1.8;
  color: #334155;
}

.article-content-body h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 36px 0 16px 0;
  letter-spacing: -0.02em;
}

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

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

.article-content-body ul, .article-content-body ol {
  margin: 0 0 24px 24px;
}

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

.article-content-body blockquote {
  border-left: 4px solid #6366f1;
  padding: 12px 20px;
  background: #f8fafc;
  color: var(--text-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
}

.article-content-body a {
  color: #6366f1;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
}

.article-content-body a:hover {
  color: #4f46e5;
}

/* Static Docs Pages (About, Terms, Privacy, Sitemap) */
.static-page-container {
  max-width: 860px;
  margin: 48px auto 80px auto;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}

.static-page-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.static-page-header h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
}

.static-page-header p {
  color: var(--text-muted);
  font-size: 0.938rem;
}

.static-content h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 32px 0 14px 0;
}

.static-content p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.static-content ul {
  margin: 0 0 20px 24px;
  color: var(--text-secondary);
}

.static-content li {
  margin-bottom: 8px;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.85rem;
  }
  
  .cards-triad,
  .pricing-cards-grid,
  .reviews-grid,
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .bento-col-8,
  .bento-col-4 {
    grid-column: span 12;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-brand-col {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }
  
  .hero {
    padding: 56px 0 40px 0;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-desc {
    font-size: 1.05rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #ffffff;
    flex-direction: column;
    padding: 24px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border-bottom: 1px solid var(--border-color);
    gap: 16px;
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

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

  .cards-triad,
  .media-grid,
  .pricing-cards-grid,
  .reviews-grid,
  .flow-steps,
  .articles-grid {
    grid-template-columns: 1fr;
  }

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

  .dark-cta-banner {
    padding: 40px 24px;
  }

  .dark-cta-title {
    font-size: 1.75rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-brand-col {
    grid-column: span 1;
  }

  .static-page-container {
    padding: 24px 16px;
  }
}