/* ==========================================================================
   飞鸟机场 - Miniature Courier-Conveyor Network Showcase Stylesheet
   Palette:
     Kraft: #EAD8BD | Postal Blue: #275E89 | Safety Orange: #EF8B41 | White: #FAFBFC
   Typography:
     Headings: Bold System Chinese Sans-serif
     Parcel Labels: Monospace
   ========================================================================== */

:root {
  --color-kraft: #EAD8BD;
  --color-kraft-light: #F9F5EE;
  --color-kraft-soft: #F2E8D8;
  --color-kraft-dark: #C6AD8B;
  --color-blue: #275E89;
  --color-blue-dark: #194468;
  --color-blue-deep: #102B42;
  --color-blue-light: #EBF2F7;
  --color-orange: #EF8B41;
  --color-orange-dark: #D37229;
  --color-orange-light: #FDF3EA;
  --color-white: #FAFBFC;
  --color-text-main: #1A2734;
  --color-text-muted: #4F6378;
  --color-text-light: #7E90A3;
  --color-border: #DDE5ED;
  --color-border-dark: #B9CADB;
  --shadow-sm: 0 2px 6px rgba(23, 46, 68, 0.06);
  --shadow-md: 0 6px 18px rgba(23, 46, 68, 0.09);
  --shadow-lg: 0 14px 32px rgba(23, 46, 68, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", "Courier New", monospace;
  --container-max: 1200px;
  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-white);
  color: var(--color-text-main);
  line-height: 1.68;
  overflow-x: hidden;
  position: relative;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 3px solid var(--color-orange);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-blue-deep);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

p {
  margin-bottom: 1.1rem;
}

a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-orange);
}

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

code, kbd, samp, .label-mono {
  font-family: var(--font-mono);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.section {
  padding: 72px 0;
  position: relative;
}

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

.section-blue {
  background-color: var(--color-blue-deep);
  color: var(--color-white);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 48px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  background-color: var(--color-kraft);
  color: var(--color-blue-deep);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: 999px;
  border: 1px solid var(--color-kraft-dark);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-badge.badge-orange {
  background-color: var(--color-orange-light);
  color: var(--color-orange-dark);
  border-color: var(--color-orange);
}

.section-title {
  font-size: 2.15rem;
  margin-bottom: 16px;
  color: var(--color-blue-deep);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(250, 251, 252, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--color-kraft);
  transition: all var(--transition-normal);
}

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

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.45rem;
  color: var(--color-blue);
  text-decoration: none;
}

.brand-logo-img {
  height: 44px;
  width: auto;
}

.nav-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 22px;
  }
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-main);
  padding: 6px 4px;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-orange);
  transition: width var(--transition-fast);
}

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

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

/* Global Animation Control Button in Header */
.btn-motion-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-blue);
  background-color: var(--color-kraft-light);
  border: 1px solid var(--color-kraft-dark);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-motion-toggle:hover {
  background-color: var(--color-kraft);
}

.btn-motion-toggle[data-state="paused"] {
  background-color: var(--color-orange-light);
  color: var(--color-orange-dark);
  border-color: var(--color-orange);
}

/* Commercial Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(2px) scale(0.98);
}

.btn-primary {
  background-color: var(--color-orange);
  color: var(--color-white);
  border-color: var(--color-orange-dark);
  box-shadow: 0 4px 12px rgba(239, 139, 65, 0.28);
}

.btn-primary:hover {
  background-color: var(--color-orange-dark);
  color: var(--color-white);
  box-shadow: 0 6px 16px rgba(239, 139, 65, 0.36);
}

.btn-secondary {
  background-color: var(--color-blue);
  color: var(--color-white);
  border-color: var(--color-blue-dark);
  box-shadow: 0 4px 12px rgba(39, 94, 137, 0.24);
}

.btn-secondary:hover {
  background-color: var(--color-blue-dark);
  color: var(--color-white);
  box-shadow: 0 6px 16px rgba(39, 94, 137, 0.32);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-blue);
  border-color: var(--color-blue);
}

.btn-outline:hover {
  background-color: var(--color-blue-light);
  color: var(--color-blue-deep);
}

.btn-kraft {
  background-color: var(--color-kraft);
  color: var(--color-blue-deep);
  border-color: var(--color-kraft-dark);
}

.btn-kraft:hover {
  background-color: var(--color-kraft-soft);
  color: var(--color-blue-dark);
}

/* Mobile Hamburger Menu */
.hamburger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-kraft-dark);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
}

@media (min-width: 1024px) {
  .hamburger-btn {
    display: none;
  }
}

.hamburger-btn span {
  display: block;
  width: 24px;
  height: 2.5px;
  background-color: var(--color-blue);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.hamburger-btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.hamburger-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.hamburger-btn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-nav-drawer {
  display: none;
  position: absolute;
  top: 72px;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  border-bottom: 3px solid var(--color-orange);
  box-shadow: var(--shadow-lg);
  padding: 24px 20px;
  z-index: 999;
}

.mobile-nav-drawer.is-open {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
}

.mobile-nav-list a {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-main);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background-color: var(--color-kraft-light);
}

.mobile-nav-list a:hover {
  background-color: var(--color-kraft);
  color: var(--color-orange-dark);
}

/* ==========================================================================
   Hero Section & Wide Miniature Conveyor Scene
   ========================================================================== */
.hero-section {
  padding: 48px 0 64px;
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-kraft-light) 100%);
  border-bottom: 2px solid var(--color-kraft);
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 820px;
  margin-bottom: 36px;
  text-align: left;
}

.hero-badge-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  background-color: var(--color-blue);
  color: var(--color-white);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}

.hero-tag.tag-orange {
  background-color: var(--color-orange);
}

.hero-tag.tag-kraft {
  background-color: var(--color-kraft);
  color: var(--color-blue-deep);
  border: 1px solid var(--color-kraft-dark);
}

.hero-title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 900;
  color: var(--color-blue-deep);
  line-height: 1.18;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-title .brand-accent {
  color: var(--color-blue);
  background: linear-gradient(135deg, var(--color-blue) 0%, #153c5e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.12rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 28px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.hero-note-strip {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.hero-note-strip .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-orange);
}

/* --------------------------------------------------------------------------
   Miniature Courier Conveyor Component (Core Mandatory Movement)
   -------------------------------------------------------------------------- */
.conveyor-stage-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-blue);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
  margin-top: 24px;
}

/* Control Panel Header */
.conveyor-control-bar {
  background-color: var(--color-blue);
  color: var(--color-white);
  padding: 14px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 2px solid var(--color-orange);
}

.conveyor-status-readout {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
}

.sensor-lamp {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-orange);
  box-shadow: 0 0 10px var(--color-orange);
  animation: pulseLamp 1.8s infinite;
}

.conveyor-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-ctrl {
  background-color: rgba(250, 251, 252, 0.15);
  border: 1px solid rgba(250, 251, 252, 0.35);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-ctrl:hover {
  background-color: rgba(250, 251, 252, 0.3);
  color: var(--color-white);
}

.btn-ctrl:active {
  transform: translateY(2px);
}

/* Interactive Destination Sorting Selector Bar */
.destination-selector-bar {
  background-color: var(--color-kraft-light);
  border-bottom: 1px solid var(--color-kraft);
  padding: 12px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.selector-label {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--color-blue-deep);
  display: flex;
  align-items: center;
  gap: 6px;
}

.destination-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btn-dest {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border-dark);
  color: var(--color-blue-deep);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.btn-dest:hover {
  border-color: var(--color-blue);
  background-color: var(--color-blue-light);
}

.btn-dest[aria-pressed="true"] {
  background-color: var(--color-orange);
  border-color: var(--color-orange-dark);
  color: var(--color-white);
  box-shadow: 0 2px 8px rgba(239, 139, 65, 0.35);
}

.btn-dest:active {
  transform: translateY(2px);
}

/* Conveyor Scenic Canvas / Stage Area */
.conveyor-viewport {
  position: relative;
  width: 100%;
  height: 290px;
  background: linear-gradient(180deg, #F0F4F8 0%, #E6EDF4 100%);
  overflow: hidden;
}

/* Grid & Warehouse Backdrop Lines */
.conveyor-backdrop {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(39, 94, 137, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(39, 94, 137, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Safety Hazard Stripe along edges */
.conveyor-safety-strip {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: repeating-linear-gradient(
    45deg,
    var(--color-orange),
    var(--color-orange) 10px,
    var(--color-blue-deep) 10px,
    var(--color-blue-deep) 20px
  );
}

/* Feeder Station (Left) */
.conveyor-feeder-chute {
  position: absolute;
  top: 40px;
  left: 0;
  width: 90px;
  height: 140px;
  background: linear-gradient(135deg, #CBD5E1 0%, #94A3B8 100%);
  border-right: 3px solid var(--color-blue);
  border-bottom: 3px solid var(--color-blue);
  border-radius: 0 0 12px 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 8px;
  box-shadow: 4px 6px 12px rgba(0,0,0,0.1);
}

.feeder-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 800;
  background-color: var(--color-blue-deep);
  color: var(--color-white);
  padding: 2px 6px;
  border-radius: 4px;
  text-align: center;
  margin-bottom: 6px;
}

.feeder-arrow {
  color: var(--color-orange);
  font-size: 1.2rem;
  animation: bounceRight 1.5s infinite;
}

/* Conveyor Track & Belt Structure */
.conveyor-track {
  position: absolute;
  top: 100px;
  left: 70px;
  right: 20px;
  height: 90px;
  z-index: 10;
}

.conveyor-rail-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background-color: var(--color-blue-deep);
  border-radius: 3px;
}

.conveyor-belt-surface {
  position: absolute;
  top: 6px;
  left: 0;
  right: 0;
  height: 48px;
  background-color: #263342;
  overflow: hidden;
  box-shadow: inset 0 4px 8px rgba(0,0,0,0.4);
}

.conveyor-belt-ribs {
  position: absolute;
  inset: 0;
  width: 200%;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 20px,
    rgba(255, 255, 255, 0.08) 20px,
    rgba(255, 255, 255, 0.08) 23px
  );
  animation: beltMove 2.4s linear infinite;
}

/* Rollers underneath belt */
.conveyor-rollers-row {
  position: absolute;
  top: 54px;
  left: 10px;
  right: 10px;
  height: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.conveyor-roller {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: radial-gradient(circle, #CBD5E1 35%, #64748B 90%, #334155 100%);
  border: 2px solid var(--color-blue-deep);
  position: relative;
  animation: rollerSpin 2s linear infinite;
}

.conveyor-roller::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background-color: var(--color-blue-deep);
  transform: translate(-50%, -50%);
}

/* Optical Inspection Scanner Beam */
.scanner-arch {
  position: absolute;
  top: 25px;
  left: 360px;
  width: 24px;
  height: 90px;
  background-color: var(--color-blue-deep);
  border-radius: 4px 4px 0 0;
  z-index: 25;
}

.scanner-arch::before {
  content: 'SCAN';
  position: absolute;
  top: -16px;
  left: -8px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 800;
  background-color: var(--color-orange);
  color: var(--color-white);
  padding: 1px 4px;
  border-radius: 2px;
}

.scanner-beam-line {
  position: absolute;
  top: 20px;
  left: 10px;
  width: 2px;
  height: 80px;
  background: linear-gradient(180deg, var(--color-orange) 0%, rgba(239, 139, 65, 0) 100%);
  box-shadow: 0 0 10px var(--color-orange);
  animation: scannerScan 1.6s ease-in-out infinite alternate;
}

/* --------------------------------------------------------------------------
   Feiniao Bird Touches (Atmospheric Flight & Courier Mascot)
   -------------------------------------------------------------------------- */
.conveyor-sky-birds {
  position: absolute;
  top: 8px;
  left: 90px;
  right: 230px;
  height: 70px;
  pointer-events: none;
  z-index: 12;
  overflow: hidden;
}

.sky-bird {
  position: absolute;
  will-change: transform;
}

.sky-bird-1 {
  top: 10px;
  animation: birdFlyPath1 15s linear infinite;
}

.sky-bird-2 {
  top: 26px;
  animation: birdFlyPath2 21s linear infinite 4s;
  opacity: 0.85;
}

.sky-bird-3 {
  top: 42px;
  animation: birdFlyPath3 28s linear infinite 9s;
  opacity: 0.65;
}

.sky-bird svg path.bird-wing-left,
.sky-bird svg path.bird-wing-right {
  animation: birdFlap 0.4s ease-in-out infinite alternate;
  transform-origin: 16px 9px;
}

.sky-bird-2 svg path.bird-wing-left,
.sky-bird-2 svg path.bird-wing-right {
  animation-duration: 0.32s;
}

.sky-bird-3 svg path.bird-wing-left,
.sky-bird-3 svg path.bird-wing-right {
  animation-duration: 0.28s;
}

/* Mascot Courier Bird Perched on Scanner Arch */
.scanner-courier-bird {
  position: absolute;
  top: -38px;
  left: -6px;
  width: 36px;
  height: 36px;
  z-index: 35;
  cursor: pointer;
  animation: birdIdle 3.6s ease-in-out infinite;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scanner-courier-bird:hover {
  transform: scale(1.15) translateY(-2px);
}

.scanner-courier-bird.is-chirping {
  animation: birdChirp 0.6s ease-out;
}

.mascot-speech-bubble {
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 800;
  background-color: var(--color-blue-deep);
  color: var(--color-white);
  padding: 2px 8px;
  border-radius: 10px;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(16, 43, 66, 0.28);
  border: 1px solid var(--color-orange);
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.mascot-speech-bubble::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 4px 4px 0;
  border-style: solid;
  border-color: var(--color-orange) transparent transparent;
}

.feeder-bird-icon {
  font-size: 1.35rem;
  line-height: 1;
  margin-bottom: 4px;
  animation: birdBob 2s ease-in-out infinite alternate;
}

/* Enhanced Parcel with Bird Stamp */
.parcel-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 3px;
  z-index: 2;
}

.parcel-bird-stamp {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-family: var(--font-sans);
  font-size: 0.58rem;
  font-weight: 800;
  color: var(--color-blue);
  background: rgba(250, 251, 252, 0.88);
  border: 0.75px solid var(--color-blue);
  border-radius: 3px;
  padding: 0 3px;
  line-height: 1.2;
}

.parcel-bird-stamp svg {
  width: 10px;
  height: 8px;
  display: inline-block;
  flex-shrink: 0;
}

/* Sorting Mechanical Gate (Moves when destination is selected) */
.sorting-gate-rig {
  position: absolute;
  top: 55px;
  left: 640px;
  width: 40px;
  height: 100px;
  z-index: 30;
  pointer-events: none;
}

.sorting-gate-pivot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--color-orange);
  border: 3px solid var(--color-blue-deep);
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
  position: absolute;
  top: 15px;
  left: 10px;
}

.sorting-gate-arm {
  position: absolute;
  top: 23px;
  left: 18px;
  width: 90px;
  height: 10px;
  background: linear-gradient(90deg, var(--color-orange) 0%, var(--color-orange-dark) 100%);
  border: 1.5px solid var(--color-blue-deep);
  border-radius: 5px;
  transform-origin: 0% 50%;
  transform: rotate(0deg);
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.sorting-gate-arm::after {
  content: 'GATE';
  position: absolute;
  right: 8px;
  top: -2px;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  font-weight: 800;
  color: var(--color-white);
}

/* Exit Bins / Destination Chutes on the Right */
.destination-bins-rack {
  position: absolute;
  top: 40px;
  right: 15px;
  width: 220px;
  height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
  z-index: 15;
}

.destination-bin {
  background-color: var(--color-white);
  border: 1.5px dashed var(--color-border-dark);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-blue-deep);
  transition: all var(--transition-fast);
}

.destination-bin.active-bin {
  border: 2px solid var(--color-orange);
  background-color: var(--color-orange-light);
  box-shadow: 0 2px 10px rgba(239, 139, 65, 0.25);
}

.destination-bin .bin-code {
  color: var(--color-blue);
  font-weight: 800;
}

.destination-bin.active-bin .bin-code {
  color: var(--color-orange-dark);
}

.destination-bin .bin-status {
  font-size: 0.68rem;
  padding: 2px 6px;
  border-radius: 4px;
  background-color: var(--color-blue-light);
  color: var(--color-blue);
}

.destination-bin.active-bin .bin-status {
  background-color: var(--color-orange);
  color: var(--color-white);
}

/* Moving Parcels along Conveyor */
.parcel-container {
  position: absolute;
  inset: 0;
  z-index: 22;
  pointer-events: none;
}

.mini-parcel {
  position: absolute;
  top: 48px;
  width: 82px;
  height: 56px;
  background-color: var(--color-kraft);
  border: 2px solid var(--color-blue-deep);
  border-radius: 5px;
  box-shadow: 0 6px 14px rgba(0,0,0,0.18);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 5px 6px;
  transform: translateX(-100px);
}

/* Kraft Box Tape */
.mini-parcel::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 36px;
  width: 10px;
  background-color: var(--color-orange);
  opacity: 0.85;
}

.parcel-label-mono {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--color-blue-deep);
  background: var(--color-white);
  padding: 1px 3px;
  border-radius: 2px;
  border: 0.5px solid var(--color-blue);
  width: fit-content;
  z-index: 2;
}

.parcel-scene-tag {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 800;
  color: var(--color-white);
  background-color: var(--color-blue);
  padding: 1px 4px;
  border-radius: 3px;
  align-self: flex-end;
  z-index: 2;
  letter-spacing: -0.2px;
}

/* Conveyor Footnote Disclaimer */
.conveyor-disclaimer {
  background-color: var(--color-kraft-light);
  border-top: 1px solid var(--color-kraft);
  padding: 10px 20px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.disclaimer-badge {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.74rem;
  color: var(--color-blue);
  background-color: var(--color-kraft);
  padding: 2px 6px;
  border-radius: 3px;
}

/* CSS Keyframe Animations */
@keyframes beltMove {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

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

@keyframes pulseLamp {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.92); }
}

@keyframes bounceRight {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(4px); }
}

@keyframes scannerScan {
  0% { opacity: 0.4; }
  100% { opacity: 1; }
}

@keyframes birdFlyPath1 {
  0% { transform: translateX(-80px) translateY(8px); opacity: 0; }
  8% { opacity: 0.9; }
  50% { transform: translateX(280px) translateY(-6px); opacity: 0.9; }
  92% { opacity: 0.9; }
  100% { transform: translateX(650px) translateY(6px); opacity: 0; }
}

@keyframes birdFlyPath2 {
  0% { transform: translateX(-60px) translateY(-4px); opacity: 0; }
  10% { opacity: 0.85; }
  55% { transform: translateX(250px) translateY(8px); opacity: 0.85; }
  90% { opacity: 0.85; }
  100% { transform: translateX(600px) translateY(-6px); opacity: 0; }
}

@keyframes birdFlyPath3 {
  0% { transform: translateX(-50px) translateY(0); opacity: 0; }
  12% { opacity: 0.75; }
  60% { transform: translateX(230px) translateY(-10px); opacity: 0.75; }
  88% { opacity: 0.75; }
  100% { transform: translateX(580px) translateY(4px); opacity: 0; }
}

@keyframes birdFlap {
  0% { transform: scaleY(1); }
  100% { transform: scaleY(-0.7); }
}

@keyframes birdIdle {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  30% { transform: translateY(-2.5px) rotate(-2deg); }
  60% { transform: translateY(0) rotate(2deg); }
  80% { transform: translateY(-1.5px) rotate(0deg); }
}

@keyframes birdBob {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(-3px) scale(1.05); }
}

@keyframes birdChirp {
  0% { transform: scale(1) translateY(0); }
  25% { transform: scale(1.25) translateY(-5px) rotate(-5deg); }
  50% { transform: scale(1.15) translateY(-3px) rotate(4deg); }
  75% { transform: scale(1.2) translateY(-4px) rotate(-2deg); }
  100% { transform: scale(1) translateY(0); }
}

/* ==========================================================================
   Advantages Section: Illustrated Packing-Station Rows
   ========================================================================== */
.packing-station-list {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.packing-station-row {
  background-color: var(--color-white);
  border: 2px solid var(--color-kraft);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

@media (min-width: 900px) {
  .packing-station-row {
    grid-template-columns: 320px 1fr;
    gap: 40px;
  }
  .packing-station-row:nth-child(even) {
    grid-template-columns: 1fr 320px;
  }
  .packing-station-row:nth-child(even) .station-art-col {
    order: 2;
  }
  .packing-station-row:nth-child(even) .station-content-col {
    order: 1;
  }
}

.packing-station-row:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-blue);
}

.station-art-col {
  background: linear-gradient(135deg, var(--color-kraft-light) 0%, #FAF6EE 100%);
  border: 1px solid var(--color-kraft);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.station-art-col img {
  max-height: 220px;
  width: auto;
  transition: transform 0.4s ease;
}

.packing-station-row:hover .station-art-col img {
  transform: scale(1.03);
}

.station-badge-mono {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
  background-color: var(--color-blue);
  color: var(--color-white);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.station-title {
  font-size: 1.6rem;
  margin-bottom: 12px;
  color: var(--color-blue-deep);
}

.station-desc {
  font-size: 1.02rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 18px;
}

.station-features-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 600px) {
  .station-features-list {
    grid-template-columns: 1fr 1fr;
  }
}

.station-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.92rem;
  color: var(--color-text-main);
}

.station-features-list .check-icon {
  color: var(--color-orange);
  font-weight: bold;
}

/* ==========================================================================
   Node & Network Information: Destination Labels
   ========================================================================== */
.destination-labels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.destination-label-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-kraft-dark);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

/* Airway Bill / Postal Tag Header */
.label-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1.5px dashed var(--color-kraft-dark);
  padding-bottom: 10px;
  margin-bottom: 12px;
}

.label-iata-code {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-blue);
  line-height: 1;
}

.label-city-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-main);
  text-align: right;
}

.label-routing-type {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  background-color: var(--color-kraft);
  color: var(--color-blue-deep);
  padding: 2px 6px;
  border-radius: 3px;
  margin-top: 2px;
}

.label-details {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}

.label-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-top: 1px solid var(--color-kraft-light);
  padding-top: 10px;
}

.meta-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  background-color: var(--color-kraft-light);
  color: var(--color-blue);
  border: 1px solid var(--color-border);
  padding: 2px 8px;
  border-radius: 4px;
}

.node-disclaimer-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  background-color: var(--color-kraft-light);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--color-kraft-dark);
  max-width: 900px;
  margin: 0 auto;
}

/* ==========================================================================
   AI & Streaming Guidance: Practical Scenario Panels
   ========================================================================== */
.scenario-panels-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 960px) {
  .scenario-panels-wrap {
    grid-template-columns: 1fr 1fr;
  }
}

.scenario-panel {
  background-color: var(--color-white);
  border: 2px solid var(--color-kraft);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.scenario-panel:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.scenario-panel-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.scenario-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--color-blue);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.scenario-icon-box.icon-orange {
  background-color: var(--color-orange);
}

.scenario-title {
  font-size: 1.45rem;
  color: var(--color-blue-deep);
}

.scenario-desc {
  font-size: 0.98rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.app-matrix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.app-matrix-item {
  background-color: var(--color-kraft-light);
  border: 1px solid var(--color-kraft);
  border-radius: var(--radius-sm);
  padding: 10px;
  text-align: center;
}

.app-name {
  font-weight: 800;
  font-size: 0.88rem;
  color: var(--color-blue-deep);
  margin-bottom: 2px;
}

.app-status-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-orange-dark);
}

.scenario-guide-box {
  background-color: var(--color-kraft-light);
  border-left: 3px solid var(--color-blue);
  padding: 14px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.88rem;
  color: var(--color-text-main);
  margin-top: auto;
}

/* ==========================================================================
   Pricing Section: Clean Comparison Table (Avoiding Dashboard-Cards)
   ========================================================================== */
.pricing-table-container {
  overflow-x: auto;
  background-color: var(--color-white);
  border: 2px solid var(--color-kraft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: 24px;
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  text-align: left;
}

.pricing-table th, .pricing-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--color-border);
}

.pricing-table thead th {
  background-color: var(--color-blue-deep);
  color: var(--color-white);
  font-size: 1.05rem;
  font-weight: 800;
  text-align: center;
  vertical-align: middle;
}

.pricing-table thead th:first-child {
  text-align: left;
  width: 25%;
}

.pricing-table thead th.col-highlight {
  background-color: var(--color-blue);
  padding: 12px 14px 14px;
}

.table-featured-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background-color: var(--color-orange);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 6px;
  box-shadow: 0 2px 6px rgba(16, 43, 66, 0.25);
  letter-spacing: 0.3px;
  line-height: 1.3;
  white-space: nowrap;
}

.col-plan-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-white);
}

.pricing-table tbody tr:hover {
  background-color: var(--color-kraft-light);
}

.pricing-table tbody td {
  text-align: center;
  font-size: 0.95rem;
  color: var(--color-text-main);
}

.pricing-table tbody td:first-child {
  text-align: left;
  font-weight: 700;
  color: var(--color-blue-deep);
}

.pricing-table tbody td.col-highlight {
  background-color: rgba(234, 216, 189, 0.2);
  font-weight: 600;
}

.price-val {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--color-orange-dark);
}

.price-sub {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  display: block;
}

.pricing-action-row td {
  padding: 24px 20px;
  background-color: var(--color-kraft-light);
  border-bottom: none;
}

.pricing-notes-callout {
  background-color: var(--color-kraft-light);
  border: 1px solid var(--color-kraft);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.68;
}

/* ==========================================================================
   Nine SEO Article Cards Grid (Desktop 3x3 / Tablet 2 / Mobile 1)
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 36px;
}

@media (min-width: 640px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.article-card {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-kraft);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

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

.article-card-badge {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 800;
  color: var(--color-blue);
  background-color: var(--color-kraft-light);
  padding: 2px 8px;
  border-radius: 4px;
  width: fit-content;
  margin-bottom: 10px;
}

.article-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--color-blue-deep);
}

.article-card-title a {
  color: inherit;
}

.article-card-title a:hover {
  color: var(--color-orange);
}

.article-card-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 18px;
  flex-grow: 1;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-kraft-light);
  padding-top: 12px;
  font-size: 0.8rem;
  color: var(--color-text-light);
  font-family: var(--font-mono);
}

.article-read-link {
  font-weight: 700;
  color: var(--color-orange);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.article-read-link:hover {
  color: var(--color-orange-dark);
}

/* ==========================================================================
   Reviews / Testimonials (Illustrative Labeled)
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.review-card {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-kraft);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.review-label-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  background-color: var(--color-kraft-light);
  color: var(--color-text-muted);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 12px;
  display: inline-block;
}

.review-text {
  font-size: 0.96rem;
  color: var(--color-text-main);
  line-height: 1.7;
  margin-bottom: 16px;
  font-style: italic;
}

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

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-blue);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
}

.author-info h4 {
  font-size: 0.95rem;
  color: var(--color-blue-deep);
}

.author-info span {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   FAQ Accordion Section
   ========================================================================== */
.faq-accordion-wrap {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-kraft);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

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

.faq-question-btn {
  width: 100%;
  background: none;
  border: none;
  padding: 18px 22px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-blue-deep);
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: background-color var(--transition-fast);
}

.faq-question-btn:hover {
  background-color: var(--color-kraft-light);
}

.faq-icon-cross {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-orange);
  transition: transform var(--transition-fast);
}

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

.faq-answer-pane {
  display: none;
  padding: 0 22px 20px;
  font-size: 0.96rem;
  color: var(--color-text-muted);
  line-height: 1.72;
  border-top: 1px dashed var(--color-kraft);
  padding-top: 16px;
}

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

/* ==========================================================================
   Article Pages Styles (Typography, Breadcrumb, Outline, Related)
   ========================================================================== */
.article-page-header {
  padding: 48px 0 32px;
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-kraft-light) 100%);
  border-bottom: 2px solid var(--color-kraft);
}

.breadcrumb-nav {
  margin-bottom: 18px;
  font-size: 0.88rem;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}

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

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

.breadcrumb-nav span {
  margin: 0 6px;
  color: var(--color-text-light);
}

.article-page-title {
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  font-weight: 900;
  color: var(--color-blue-deep);
  line-height: 1.25;
  margin-bottom: 16px;
}

.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.article-meta-bar span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding: 48px 0;
}

@media (min-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr 300px;
  }
}

.article-main-body {
  font-size: 1.05rem;
  color: var(--color-text-main);
  line-height: 1.85;
}

.article-main-body h2 {
  font-size: 1.65rem;
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-kraft);
  color: var(--color-blue-deep);
}

.article-main-body h3 {
  font-size: 1.3rem;
  margin: 28px 0 12px;
  color: var(--color-blue);
}

.article-main-body ul, .article-main-body ol {
  margin: 0 0 20px 24px;
}

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

.article-main-body blockquote {
  background-color: var(--color-kraft-light);
  border-left: 4px solid var(--color-orange);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  font-style: italic;
  color: var(--color-blue-deep);
}

.article-callout-box {
  background-color: var(--color-kraft-light);
  border: 1.5px solid var(--color-kraft-dark);
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 28px 0;
}

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

.sidebar-card {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-kraft);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-size: 1.1rem;
  color: var(--color-blue-deep);
  border-bottom: 1.5px solid var(--color-kraft);
  padding-bottom: 10px;
  margin-bottom: 14px;
}

.sidebar-toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
}

.sidebar-toc-list a {
  color: var(--color-text-muted);
}

.sidebar-toc-list a:hover {
  color: var(--color-orange);
}

.related-posts-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.related-post-item a {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-blue-deep);
  display: block;
  line-height: 1.4;
}

.related-post-item a:hover {
  color: var(--color-orange);
}

/* ==========================================================================
   Footer Section
   ========================================================================== */
.site-footer {
  background-color: var(--color-blue-deep);
  color: var(--color-white);
  border-top: 4px solid var(--color-orange);
  padding: 60px 0 30px;
}

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

@media (min-width: 768px) {
  .footer-top-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand-title {
  font-size: 1.6rem;
  color: var(--color-white);
  margin-bottom: 12px;
}

.footer-brand-desc {
  font-size: 0.92rem;
  color: #A0B2C6;
  line-height: 1.7;
  max-width: 440px;
  margin-bottom: 18px;
}

.footer-col-title {
  font-size: 1.05rem;
  color: var(--color-kraft);
  margin-bottom: 16px;
  font-weight: 700;
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
}

.footer-nav-list a {
  color: #CBD5E1;
}

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

/* Mandatory Footer Related Links Strip */
.footer-pbn-strip {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 18px 0;
  margin-bottom: 24px;
  text-align: center;
}

.footer-pbn-label {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-kraft);
  margin-right: 14px;
  font-weight: 700;
}

.footer-pbn-links {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  font-size: 0.9rem;
}

.footer-pbn-links a {
  color: var(--color-white);
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.footer-pbn-links a:hover {
  color: var(--color-orange);
  background-color: rgba(255, 255, 255, 0.08);
}

.footer-bottom-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 0.82rem;
  color: #889DB5;
}

/* ==========================================================================
   Reduced Motion & Animation Paused Modes
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .conveyor-belt-ribs,
  .conveyor-roller,
  .sensor-lamp,
  .scanner-beam-line,
  .feeder-arrow,
  .sky-bird,
  .sky-bird svg path,
  .scanner-courier-bird,
  .feeder-bird-icon {
    animation: none !important;
  }
}

/* Global Manual Animation Pause State */
body[data-animation-paused="true"] .conveyor-belt-ribs,
body[data-animation-paused="true"] .conveyor-roller,
body[data-animation-paused="true"] .sensor-lamp,
body[data-animation-paused="true"] .scanner-beam-line,
body[data-animation-paused="true"] .feeder-arrow,
body[data-animation-paused="true"] .sky-bird,
body[data-animation-paused="true"] .sky-bird svg path,
body[data-animation-paused="true"] .scanner-courier-bird,
body[data-animation-paused="true"] .feeder-bird-icon {
  animation-play-state: paused !important;
}