/* ==========================================================================
   COCODUCK VPN - Espresso & Mint Boutique Software Design System
   Color Palette:
     Background:        #F7F5F0 (Warm Ivory / Paper)
     Espresso (Primary):#342820 (Deep Rich Dark Roast)
     Fresh Muted Mint:  #8FBDAA (Balanced Soft Mint Accent)
     Pale Mint:         #E5F1EA (Delicate Mint Tint / Surface)
     Surface White:     #FFFFFF
     Card Warm Tint:    #FCFBF8
     Espresso Light:    #5A4A41
     Espresso Muted:    #82736A
     Border Subtle:     #E5DFD6
     Border Strong:     #D4CBBF
     Mint Dark:         #235242
   ========================================================================== */

:root {
  --bg-page: #F7F5F0;
  --color-espresso: #342820;
  --color-espresso-light: #5A4A41;
  --color-espresso-muted: #82736A;
  --color-mint: #8FBDAA;
  --color-mint-dark: #235242;
  --color-mint-pale: #E5F1EA;
  --color-surface: #FFFFFF;
  --color-surface-warm: #FCFBF8;
  --color-border: #E5DFD6;
  --color-border-dark: #D4CBBF;

  --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

  --max-width: 1200px;
  --header-height: 76px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  
  --shadow-subtle: 0 4px 16px rgba(52, 40, 32, 0.04);
  --shadow-card: 0 6px 24px rgba(52, 40, 32, 0.06);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-page);
  color: var(--color-espresso);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-espresso);
  background-color: var(--bg-page);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-espresso);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 49px;
  line-height: 1.18;
}

h2 {
  font-size: 32px;
  line-height: 1.3;
  margin-bottom: 16px;
}

h3 {
  font-size: 22px;
  line-height: 1.4;
  margin-bottom: 12px;
}

p {
  margin-bottom: 18px;
  color: var(--color-espresso-light);
}

a {
  color: var(--color-espresso);
  text-decoration: none;
  /* Animate only fills/colors, no bounce */
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  color: var(--color-mint-dark);
}

ul, ol {
  padding-left: 24px;
  margin-bottom: 18px;
  color: var(--color-espresso-light);
}

li {
  margin-bottom: 8px;
}

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

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

.section-wrapper {
  padding: 84px 0;
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 52px auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-lead {
  font-size: 19px;
  color: var(--color-espresso-light);
  line-height: 1.65;
}

/* Pill Labels */
.pill-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background-color: var(--color-mint-pale);
  color: var(--color-mint-dark);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  border: 1px solid rgba(143, 189, 170, 0.45);
  letter-spacing: 0.02em;
}

.pill-label.pill-espresso {
  background-color: var(--color-espresso);
  color: var(--bg-page);
  border-color: var(--color-espresso);
}

.pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-mint-dark);
}

/* Buttons - ANIMATE ONLY BUTTON FILLS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  border: 1px solid transparent;
  /* Only fill animations */
  transition: background-color 0.22s ease, border-color 0.22s ease, color 0.22s ease;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-espresso);
  color: #FFFFFF;
  border-color: var(--color-espresso);
}

.btn-primary:hover {
  background-color: #4a3a30;
  border-color: #4a3a30;
  color: #FFFFFF;
}

.btn-mint {
  background-color: var(--color-mint);
  color: var(--color-espresso);
  border-color: var(--color-mint);
}

.btn-mint:hover {
  background-color: #7daaa3;
  border-color: #7daaa3;
  color: var(--color-espresso);
}

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

.btn-outline:hover {
  background-color: var(--color-mint-pale);
  border-color: var(--color-mint);
  color: var(--color-mint-dark);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

/* Header & Compact Top Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(247, 245, 240, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 21px;
  font-weight: 700;
  color: var(--color-espresso);
}

.brand-icon {
  width: 34px;
  height: 34px;
  background-color: var(--color-espresso);
  color: var(--color-mint-pale);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.05em;
  border: 1px solid var(--color-mint);
}

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

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-espresso-light);
  padding: 6px 2px;
  position: relative;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-espresso);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-mint-dark);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Mobile Menu Button */
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  color: var(--color-espresso);
  background-color: var(--color-surface);
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
}

/* Mobile Drawer Overlay */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 82%;
  max-width: 360px;
  height: 100vh;
  background-color: var(--bg-page);
  border-left: 1px solid var(--color-border);
  z-index: 1050;
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 32px rgba(52, 40, 32, 0.12);
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(52, 40, 32, 0.45);
  z-index: 1040;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.mobile-nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 18px;
  list-style: none;
  padding: 0;
  margin-bottom: 32px;
}

.mobile-nav-links a {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-espresso);
  display: block;
}

/* Hero Section */
.hero-section {
  padding: 68px 0 84px 0;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(229, 241, 234, 0.35) 0%, rgba(247, 245, 240, 1) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero-text {
  max-width: 620px;
}

.hero-title {
  margin-bottom: 20px;
  color: var(--color-espresso);
}

.hero-subtitle {
  font-size: 19px;
  line-height: 1.65;
  color: var(--color-espresso-light);
  margin-bottom: 32px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-tag-item {
  font-size: 13px;
  color: var(--color-espresso-muted);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

/* Hero Right: Modular Instrument Panel Dashboard */
.instrument-panel {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  position: relative;
}

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

.panel-title-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-heading {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-espresso);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Status Indicator with SLOW DASHBOARD STATUS RING */
.status-indicator-box {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-mint-pale);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(143, 189, 170, 0.6);
}

.ring-container {
  position: relative;
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.status-dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-mint-dark);
  border-radius: 50%;
}

.status-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 1.5px solid transparent;
  border-top-color: var(--color-mint-dark);
  border-right-color: var(--color-mint);
  /* SLOW STATUS RING ANIMATION */
  animation: ringRotate 8s linear infinite;
}

@keyframes ringRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .status-ring {
    animation: none !important;
  }
}

.status-text {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-mint-dark);
  letter-spacing: 0.02em;
}

/* Modular Instrument Panel Rows */
.panel-grid-sections {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.instrument-card {
  background-color: var(--color-surface-warm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
}

.instrument-card-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-espresso-muted);
  margin-bottom: 8px;
  font-weight: 600;
}

/* Regions in Dashboard (naming HK, JP, SG, US truthfully, no fake latency/speed) */
.region-rows {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.region-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.region-name {
  font-weight: 600;
  color: var(--color-espresso);
}

.region-tier {
  font-size: 11px;
  color: var(--color-mint-dark);
  background-color: var(--color-mint-pale);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 500;
}

.panel-spec-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  text-align: center;
}

.spec-item {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 6px;
}

.spec-label {
  font-size: 11px;
  color: var(--color-espresso-muted);
}

.spec-val {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-espresso);
  margin-top: 2px;
}

.panel-footer-note {
  font-size: 11px;
  color: var(--color-espresso-muted);
  text-align: center;
  margin-top: 12px;
  line-height: 1.4;
}

/* Three Core Benefits (Offset Feature Blocks) */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.benefit-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  box-shadow: var(--shadow-subtle);
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Offset feature blocks styling */
.benefit-card:nth-child(2) {
  border-top: 4px solid var(--color-mint);
  background-color: var(--color-surface-warm);
  transform: translateY(-8px);
}

.benefit-icon-box {
  width: 48px;
  height: 48px;
  background-color: var(--color-mint-pale);
  border: 1px solid var(--color-mint);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-espresso);
  margin-bottom: 22px;
}

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

.benefit-title {
  font-size: 21px;
  margin-bottom: 12px;
}

.benefit-desc {
  font-size: 16px;
  color: var(--color-espresso-light);
  line-height: 1.65;
  margin-bottom: 0;
}

/* Global Nodes Section */
.nodes-overview-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 40px;
}

.nodes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.node-region-card {
  background-color: var(--color-surface-warm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px;
  text-align: left;
}

.node-flag {
  font-size: 22px;
  margin-bottom: 10px;
}

.node-name {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.node-desc {
  font-size: 14px;
  color: var(--color-espresso-light);
  line-height: 1.5;
  margin-bottom: 12px;
}

.node-pill-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background-color: var(--color-mint-pale);
  color: var(--color-mint-dark);
}

/* Practical Use Cases: AI & Streaming */
.usecase-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.usecase-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.usecase-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-mint-dark);
  background-color: var(--color-mint-pale);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.app-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 24px 0;
}

.app-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-warm);
  border: 1px solid var(--color-border);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-espresso);
}

.usecase-features-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.usecase-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--color-espresso-light);
  margin-bottom: 12px;
}

.usecase-features-list svg {
  width: 18px;
  height: 18px;
  color: var(--color-mint-dark);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Distinctive Pricing Area with Vertical Separators */
.pricing-section-container {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.pricing-notice-bar {
  background-color: var(--color-mint-pale);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--color-espresso-light);
  line-height: 1.5;
}

.pricing-table-wrapper {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.pricing-column {
  padding: 44px 36px;
  display: flex;
  flex-direction: column;
  position: relative;
  background-color: #FFFFFF;
}

/* Vertical Separator */
.pricing-column:not(:last-child) {
  border-right: 1px solid var(--color-border);
}

.pricing-column.featured {
  background-color: var(--color-surface-warm);
}

.pricing-featured-badge {
  position: absolute;
  top: 16px;
  right: 20px;
  background-color: var(--color-espresso);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
}

.plan-name {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-espresso);
}

.plan-desc {
  font-size: 14px;
  color: var(--color-espresso-muted);
  min-height: 42px;
  margin-bottom: 24px;
}

.plan-price-box {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.plan-price-num {
  font-size: 42px;
  font-weight: 800;
  color: var(--color-espresso);
  line-height: 1;
}

.plan-currency {
  font-size: 20px;
  font-weight: 600;
  margin-right: 4px;
}

.plan-period {
  font-size: 14px;
  color: var(--color-espresso-muted);
  margin-left: 6px;
}

.plan-note-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--color-mint-dark);
  background-color: var(--color-mint-pale);
  padding: 2px 8px;
  border-radius: 4px;
  margin-top: 8px;
}

.plan-features-list {
  list-style: none;
  padding: 0;
  margin-bottom: 36px;
  flex-grow: 1;
}

.plan-features-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--color-espresso-light);
  margin-bottom: 12px;
}

.plan-features-list svg {
  width: 16px;
  height: 16px;
  color: var(--color-mint-dark);
  flex-shrink: 0;
}

.plan-cta-box {
  margin-top: auto;
}

.pricing-editorial-disclaimer {
  padding: 20px 28px;
  background-color: var(--bg-page);
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-espresso-muted);
  text-align: center;
  line-height: 1.6;
}

/* 9 Article Cards - Resemble Publication Previews Rather Than Plan Cards */
/* Display nine cards directly below pricing in 3/2/1 desktop/tablet/mobile columns */
.articles-section {
  padding-top: 72px;
}

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

.pub-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-subtle);
  transition: border-color 0.2s ease, background-color 0.2s ease;
  position: relative;
  text-decoration: none;
  color: inherit;
}

.pub-card:hover {
  border-color: var(--color-mint);
  background-color: var(--color-surface-warm);
}

.pub-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.pub-category {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-mint-dark);
  background-color: var(--color-mint-pale);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.pub-read-time {
  font-size: 12px;
  color: var(--color-espresso-muted);
}

.pub-title {
  font-size: 19px;
  line-height: 1.35;
  margin-bottom: 12px;
  color: var(--color-espresso);
  font-weight: 700;
}

.pub-excerpt {
  font-size: 14px;
  color: var(--color-espresso-light);
  line-height: 1.6;
  margin-bottom: 22px;
  flex-grow: 1;
}

.pub-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.pub-date {
  font-size: 12px;
  color: var(--color-espresso-muted);
}

.pub-read-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-mint-dark);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

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

.testimonial-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
}

.testimonial-tag {
  font-size: 11px;
  color: var(--color-espresso-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
  font-weight: 600;
}

.testimonial-quote {
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-espresso-light);
  margin-bottom: 24px;
  flex-grow: 1;
  font-style: normal;
}

.testimonial-author-box {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-mint-pale);
  color: var(--color-mint-dark);
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-mint);
}

.author-meta-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-espresso);
}

.author-meta-desc {
  font-size: 12px;
  color: var(--color-espresso-muted);
}

/* FAQ Accordion */
.faq-container {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item.active {
  border-color: var(--color-mint);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 24px;
  font-size: 17px;
  font-weight: 600;
  color: var(--color-espresso);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-heading);
}

.faq-chevron {
  width: 18px;
  height: 18px;
  transition: transform 0.2s ease;
  flex-shrink: 0;
  color: var(--color-espresso-muted);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--color-mint-dark);
}

.faq-answer {
  display: none;
  padding: 0 24px 22px 24px;
  font-size: 15px;
  color: var(--color-espresso-light);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Footer & PBN Links */
.site-footer {
  background-color: #2b211a;
  color: #EDE8E1;
  padding: 72px 0 36px 0;
  margin-top: auto;
  border-top: 1px solid #3c3027;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 56px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}

.footer-col p {
  color: #B5ABA2;
  font-size: 14px;
  line-height: 1.65;
}

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

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

.footer-nav-list a {
  font-size: 14px;
  color: #B5ABA2;
  transition: color 0.2s ease;
}

.footer-nav-list a:hover {
  color: var(--color-mint);
}

.pbn-section {
  padding: 24px;
  background-color: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.pbn-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.pbn-list a {
  font-size: 14px;
  color: #CFC5BC;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pbn-list a:hover {
  color: var(--color-mint);
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: #8C8075;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: #8C8075;
  font-size: 13px;
}

.footer-bottom-links a:hover {
  color: #CFC5BC;
}

/* Article / Subpage Layout Specifics */
.article-header-area {
  padding: 56px 0 36px 0;
  background: linear-gradient(180deg, var(--color-mint-pale) 0%, var(--bg-page) 100%);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-espresso-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.breadcrumb-nav a {
  color: var(--color-espresso-light);
}

.breadcrumb-nav a:hover {
  color: var(--color-mint-dark);
}

.article-title-h1 {
  font-size: 38px;
  line-height: 1.25;
  color: var(--color-espresso);
  margin-bottom: 16px;
}

.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  color: var(--color-espresso-muted);
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

.article-layout-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  padding: 60px 0;
}

.article-main-content {
  min-width: 0;
}

.article-main-content h2 {
  font-size: 26px;
  margin-top: 38px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-mint-pale);
}

.article-main-content h3 {
  font-size: 20px;
  margin-top: 28px;
  margin-bottom: 12px;
}

.article-main-content p {
  font-size: 17px;
  line-height: 1.75;
  margin-bottom: 20px;
}

.article-main-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  background-color: var(--color-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: 15px;
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.article-main-content th,
.article-main-content td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.article-main-content th {
  background-color: var(--color-surface-warm);
  font-weight: 700;
  color: var(--color-espresso);
}

.article-callout {
  background-color: var(--color-mint-pale);
  border-left: 4px solid var(--color-mint-dark);
  padding: 20px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 28px 0;
}

.article-callout p {
  margin-bottom: 0;
  color: var(--color-espresso);
  font-size: 16px;
}

.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.sidebar-widget {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-subtle);
}

.sidebar-widget h4 {
  font-size: 17px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.related-articles-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.related-articles-list li {
  margin-bottom: 14px;
}

.related-articles-list a {
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-espresso-light);
  display: block;
}

.related-articles-list a:hover {
  color: var(--color-mint-dark);
}

/* Static Page Content (About, Privacy, Terms, Tutorial, Sitemap) */
.page-header-box {
  padding: 56px 0 36px 0;
  background-color: var(--color-surface-warm);
  border-bottom: 1px solid var(--color-border);
}

.page-content-box {
  max-width: 860px;
  margin: 56px auto;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-card);
}

.step-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 56px;
}

.quick-links-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.sitemap-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  h1 {
    font-size: 38px;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .benefit-card:nth-child(2) {
    transform: none;
  }
  
  .nodes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .usecase-container {
    grid-template-columns: 1fr;
  }
  
  .pricing-table-wrapper {
    grid-template-columns: 1fr;
  }
  
  .pricing-column:not(:last-child) {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }
  
  /* 2 columns on tablet for publication grid */
  .publication-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .article-layout-grid {
    grid-template-columns: 1fr;
  }

  .step-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 66px;
  }
  
  .nav-desktop {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .section-wrapper {
    padding: 56px 0;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .page-content-box {
    padding: 28px 20px;
  }

  .quick-links-grid-2,
  .sitemap-grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 430px) {
  /* Mobile First H1 & typography */
  h1 {
    font-size: 33px;
  }
  
  body {
    font-size: 16px;
  }
  
  .nodes-grid {
    grid-template-columns: 1fr;
  }
  
  .region-rows {
    grid-template-columns: 1fr;
  }
  
  .panel-spec-row {
    grid-template-columns: 1fr;
  }
  
  /* 1 column on mobile for publication grid */
  .publication-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-section {
    padding: 36px 0 48px 0;
  }
  
  .pricing-column {
    padding: 28px 20px;
  }

  .step-grid-4 {
    grid-template-columns: 1fr;
  }
}