/* ==========================================================================
   肥猫云 (feimaoyunjc.my) - 梦幻航站楼·登机起航 视觉增强样式表
   风格：水彩画册/手绘卡通 (借鉴 fatcatcloud.buzz 手绘纸质纹理、墨水边框与手写书法字体)
   ========================================================================== */

:root {
  /* Color Palette: Water-color Sky & Cream Paper */
  --cream-bg: #FDF9F0;
  --paper-bg: #F8F2E4;
  --ink-stroke: #1E293B;
  --ink-dark: #1E293B;
  --ink-muted: #475569;
  
  --primary-blue: #3A86FF;
  --primary-blue-hover: #2563EB;
  --sky-light: #E0F2FE;
  --sky-bg: #F0F7FF;
  --sunshine-yellow: #FFB703;
  --sunshine-light: #FEF3C7;
  --sunshine-hover: #F59E0B;
  --warm-coral: #FF6B6B;
  --pastel-green: #10B981;
  --pastel-purple: #8B5CF6;
  --white: #FFFFFF;

  /* Borders & Skeuomorphic Hand-drawn Shadows */
  --border-ink: 2.5px solid var(--ink-stroke);
  --border-ink-thin: 2px solid var(--ink-stroke);
  --border-dashed: 2px dashed #94A3B8;
  --border-radius-sm: 10px;
  --border-radius-md: 18px;
  --border-radius-lg: 26px;
  --border-radius-full: 9999px;

  /* Solid Sketch Shadows (fatcatcloud style offset shadow) */
  --shadow-sketch: 5px 5px 0 var(--ink-stroke);
  --shadow-sketch-hover: 8px 8px 0 var(--ink-stroke);
  --shadow-sketch-yellow: 5px 5px 0 var(--sunshine-hover);
  --shadow-soft: 0 10px 25px -5px rgba(58, 134, 255, 0.1);

  /* Typography Stack */
  --font-calligraphy: 'Ma Shan Zheng', 'Noto Serif SC', serif;
  --font-handwriting: 'Caveat', 'Kalam', cursive;
  --font-display: 'Fredoka', 'Noto Sans SC', sans-serif;
  --font-main: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--cream-bg);
  color: var(--ink-dark);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Sketchy SVG Paper Noise Texture Overlay (fatcatcloud style) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 999;
  opacity: 0.7;
}

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

a:hover {
  color: var(--primary-blue-hover);
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 5rem 0;
}

/* Floating Cloud Background Animation */
.cloud-backdrop-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.cloud {
  position: absolute;
  background: rgba(255, 255, 255, 0.75);
  border-radius: 100px;
  border: 1.5px solid rgba(30, 41, 59, 0.1);
  filter: blur(4px);
  animation: floatCloud 50s infinite linear;
}

.cloud::before, .cloud::after {
  content: '';
  position: absolute;
  background: rgba(255, 255, 255, 0.75);
  border-radius: 50%;
}

.cloud-1 {
  width: 200px; height: 60px; top: 15%; left: -200px; animation-duration: 40s;
}
.cloud-1::before { width: 90px; height: 90px; top: -45px; left: 30px; }
.cloud-1::after { width: 70px; height: 70px; top: -30px; left: 90px; }

.cloud-2 {
  width: 280px; height: 80px; top: 35%; left: -300px; animation-duration: 55s; animation-delay: 8s;
}
.cloud-2::before { width: 120px; height: 120px; top: -60px; left: 40px; }
.cloud-2::after { width: 90px; height: 90px; top: -40px; left: 130px; }

@keyframes floatCloud {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(100vw + 400px)); }
}

/* Typography & Markers */
.section-header {
  margin-bottom: 3.5rem;
}

.section-badge {
  display: inline-block;
  font-family: var(--font-handwriting);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--ink-dark);
  background: var(--sunshine-yellow);
  padding: 0.25rem 1.1rem;
  border-radius: 6px;
  border: 2px solid var(--ink-stroke);
  box-shadow: 3px 3px 0 var(--ink-stroke);
  margin-bottom: 0.9rem;
  transform: rotate(-1.5deg);
}

.section-title {
  font-family: var(--font-calligraphy);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--ink-dark);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.section-subtitle {
  font-family: var(--font-handwriting);
  font-size: 1.35rem;
  color: var(--ink-muted);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.5;
}

.text-gradient {
  color: var(--primary-blue);
  position: relative;
  display: inline-block;
}

.text-gradient::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 12px;
  background: var(--sunshine-yellow);
  opacity: 0.55;
  z-index: -1;
  border-radius: 4px;
}

.text-center { text-align: center; }

/* Hand-drawn Sketch Buttons & CTA Styling */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-calligraphy);
  font-weight: 900;
  font-size: 1.1rem;
  padding: 0.8rem 1.8rem;
  border-radius: 12px;
  border: var(--border-ink);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-sunshine {
  background: var(--sunshine-yellow);
  color: var(--ink-dark);
  box-shadow: var(--shadow-sketch);
}

.btn-sunshine:hover {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--ink-stroke);
  background: var(--sunshine-hover);
  color: var(--ink-dark);
}

.btn-cloud {
  background: var(--white);
  color: var(--primary-blue);
  box-shadow: var(--shadow-sketch);
}

.btn-cloud:hover {
  background: var(--sky-light);
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--ink-stroke);
  color: var(--primary-blue-hover);
}

.btn-outline {
  background: var(--white);
  color: var(--ink-dark);
  box-shadow: 3px 3px 0 var(--ink-stroke);
}

.btn-outline:hover {
  background: var(--sky-light);
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--ink-stroke);
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1.25rem;
}

.btn-block {
  width: 100%;
}

.pulse-glow {
  animation: floatPulse 3s ease-in-out infinite;
}

@keyframes floatPulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* Header & Header Navigation */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(253, 249, 240, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 2.5px solid var(--ink-stroke);
  box-shadow: 0 4px 0 rgba(30, 41, 59, 0.06);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-icon-badge {
  width: 46px;
  height: 46px;
  background: var(--sunshine-yellow);
  border: var(--border-ink);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 3px 3px 0 var(--ink-stroke);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-calligraphy);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--ink-dark);
  line-height: 1.1;
}

.brand-domain {
  font-family: var(--font-handwriting);
  font-size: 0.95rem;
  color: var(--primary-blue);
  font-weight: 700;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nav-link {
  font-family: var(--font-handwriting);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink-dark);
  position: relative;
  padding: 0.3rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--sunshine-yellow);
  border-radius: 4px;
  transition: width var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary-blue);
}

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

.header-cta {
  font-size: 1rem;
  padding: 0.6rem 1.4rem;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.mobile-toggle span {
  width: 100%;
  height: 3px;
  background: var(--ink-dark);
  border-radius: 3px;
}

/* Hero Section (Sketch & Notebook lines background) */
.hero-section {
  position: relative;
  padding-top: 140px;
  padding-bottom: 4rem;
  background: linear-gradient(180deg, #F5EBDA 0%, var(--cream-bg) 100%);
  overflow: hidden;
}

/* Notebook Line Background Pattern */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 38px,
    rgba(30, 41, 59, 0.04) 38px,
    rgba(30, 41, 59, 0.04) 40px
  );
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--sunshine-light);
  padding: 0.4rem 1.1rem;
  border-radius: var(--border-radius-sm);
  border: var(--border-ink);
  box-shadow: 3px 3px 0 var(--ink-stroke);
  font-family: var(--font-handwriting);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink-dark);
  margin-bottom: 1.5rem;
  transform: rotate(-1deg);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--pastel-green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--pastel-green);
}

.hero-title {
  font-family: var(--font-calligraphy);
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  color: var(--ink-dark);
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-family: var(--font-handwriting);
  font-size: 1.45rem;
  color: var(--ink-muted);
  line-height: 1.5;
  margin-bottom: 2.2rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.hero-trust-metrics {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--white);
  padding: 1.2rem 1.8rem;
  border-radius: var(--border-radius-md);
  border: var(--border-ink);
  box-shadow: var(--shadow-sketch);
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-num {
  font-family: var(--font-calligraphy);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--primary-blue);
  line-height: 1.1;
}

.metric-label {
  font-family: var(--font-handwriting);
  font-size: 0.95rem;
  color: var(--ink-muted);
  font-weight: 700;
}

.metric-divider {
  width: 2px;
  height: 36px;
  background: var(--ink-stroke);
}

.hero-illustration-block {
  position: relative;
}

.illustration-frame {
  position: relative;
  border-radius: var(--border-radius-lg);
}

.hero-img {
  width: 100%;
  border-radius: var(--border-radius-lg);
  border: 3px solid var(--ink-stroke);
  box-shadow: var(--shadow-sketch);
  transition: transform var(--transition-normal);
}

.hero-img:hover {
  transform: scale(1.015) rotate(0.5deg);
}

.hero-floating-card {
  position: absolute;
  background: var(--white);
  padding: 0.9rem 1.3rem;
  border-radius: var(--border-radius-md);
  box-shadow: 4px 4px 0 var(--ink-stroke);
  border: var(--border-ink);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: floatCard 4s ease-in-out infinite alternate;
}

.card-flight-status { top: 10%; left: -20px; }
.card-boarding-pass { bottom: 8%; right: -20px; animation-delay: 2s; }

@keyframes floatCard {
  0% { transform: translateY(0); }
  100% { transform: translateY(-10px); }
}

.flight-status-icon { font-size: 1.8rem; }
.status-title { font-family: var(--font-calligraphy); font-weight: 900; font-size: 1rem; color: var(--ink-dark); }
.status-sub { font-family: var(--font-handwriting); font-size: 0.95rem; color: var(--pastel-green); font-weight: 700; }

.pass-mini-ticket { display: flex; flex-direction: column; }
.ticket-tag {
  font-size: 0.7rem; font-family: var(--font-handwriting); background: var(--sunshine-yellow);
  color: var(--ink-dark); padding: 0.1rem 0.4rem; border-radius: 4px; font-weight: 700;
  border: 1px solid var(--ink-stroke); width: fit-content; margin-bottom: 0.2rem;
}

.wave-separator {
  position: absolute;
  bottom: 0; left: 0; width: 100%; line-height: 0; pointer-events: none;
}

/* Core Advantages: 航线特权 */
.features-section {
  background: var(--paper-bg);
  border-top: 2.5px solid var(--ink-stroke);
  border-bottom: 2.5px solid var(--ink-stroke);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--cream-bg);
  padding: 2.2rem 1.8rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sketch);
  border: var(--border-ink);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

.feature-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-sketch-hover);
}

.feature-icon-wrapper {
  width: 64px;
  height: 64px;
  border-radius: var(--border-radius-md);
  border: 2px solid var(--ink-stroke);
  box-shadow: 3px 3px 0 var(--ink-stroke);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.icon-bg-blue { background: var(--sky-light); }
.icon-bg-yellow { background: var(--sunshine-light); }
.icon-bg-purple { background: #F3E8FF; }
.icon-bg-green { background: #D1FAE5; }

.feature-title {
  font-family: var(--font-calligraphy);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--ink-dark);
  margin-bottom: 0.75rem;
}

.feature-desc {
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.feature-tag {
  display: inline-block;
  font-family: var(--font-handwriting);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink-dark);
  background: var(--sky-light);
  border: 1.5px solid var(--ink-stroke);
  padding: 0.25rem 0.8rem;
  border-radius: var(--border-radius-sm);
  width: fit-content;
}

/* Node Latency & Status Dashboard */
.status-section {
  background: var(--cream-bg);
}

.status-card-box {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 2.8rem;
  box-shadow: var(--shadow-sketch);
  border: var(--border-ink);
}

.status-header-flex {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.status-desc {
  font-family: var(--font-handwriting);
  color: var(--ink-muted);
  font-size: 1.2rem;
  margin-top: 0.3rem;
}

.node-filter-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--paper-bg);
  color: var(--ink-dark);
  border: var(--border-ink-thin);
  box-shadow: 2px 2px 0 var(--ink-stroke);
  padding: 0.45rem 1.2rem;
  border-radius: var(--border-radius-full);
  font-family: var(--font-handwriting);
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--sunshine-yellow);
  color: var(--ink-dark);
  box-shadow: 3px 3px 0 var(--ink-stroke);
}

.node-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.node-card {
  background: var(--cream-bg);
  border-radius: var(--border-radius-md);
  padding: 1.2rem 1.4rem;
  border: var(--border-ink-thin);
  box-shadow: 3px 3px 0 var(--ink-stroke);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all var(--transition-fast);
}

.node-card:hover {
  background: var(--white);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--ink-stroke);
}

.node-flag { font-size: 2rem; }
.node-main-info { flex-grow: 1; }
.node-name { font-family: var(--font-calligraphy); font-weight: 900; font-size: 1.05rem; color: var(--ink-dark); margin-bottom: 0.2rem; }
.node-meta { font-size: 0.78rem; color: var(--ink-muted); }

.node-ping-box { display: flex; flex-direction: column; align-items: flex-end; gap: 0.2rem; }
.ping-badge { font-family: var(--font-handwriting); font-weight: 700; font-size: 1rem; padding: 0.15rem 0.6rem; border-radius: 6px; border: 1px solid var(--ink-stroke); }
.ping-fast { background: #D1FAE5; color: #065F46; }
.ping-medium { background: #FEF3C7; color: #92400E; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; }
.status-dot.green { background: var(--pastel-green); }

/* Boarding Pass Pricing Section: 选购机票套餐 */
.pricing-section {
  background: var(--sky-bg);
  border-top: 2.5px solid var(--ink-stroke);
  border-bottom: 2.5px solid var(--ink-stroke);
}

.billing-switcher-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  margin-top: 1.8rem;
}

.billing-label {
  font-family: var(--font-handwriting);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ink-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.discount-badge {
  font-size: 0.9rem;
  background: var(--warm-coral);
  color: var(--white);
  padding: 0.15rem 0.6rem;
  border-radius: var(--border-radius-full);
  border: 1px solid var(--ink-stroke);
}

/* Switch Toggle Styling */
.switch-toggle { position: relative; display: inline-block; width: 60px; height: 32px; }
.switch-toggle input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #CBD5E1; border: 2px solid var(--ink-stroke); transition: .4s; border-radius: 34px; }
.slider:before { position: absolute; content: ""; height: 22px; width: 22px; left: 3px; bottom: 3px; background-color: white; border: 1.5px solid var(--ink-stroke); transition: .4s; border-radius: 50%; }
input:checked + .slider { background-color: var(--sunshine-yellow); }
input:checked + .slider:before { transform: translateX(28px); }

/* Boarding Pass Cards Grid */
.boarding-pass-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3.5rem;
}

.boarding-pass-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sketch);
  border: var(--border-ink);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.boarding-pass-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-sketch-hover);
}

.boarding-pass-card.featured {
  border: 3px solid var(--ink-stroke);
  box-shadow: var(--shadow-sketch-yellow);
  background: #FFFDF5;
}

.popular-ribbon {
  position: absolute;
  top: 18px; right: -32px;
  background: var(--sunshine-yellow);
  color: var(--ink-dark);
  font-family: var(--font-handwriting);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.2rem 2.5rem;
  border: 1.5px solid var(--ink-stroke);
  transform: rotate(45deg);
  z-index: 5;
}

.pass-main {
  padding: 2rem 1.8rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.pass-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.pass-airline {
  font-family: var(--font-handwriting);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 1px;
  color: var(--ink-muted);
}

.pass-class-badge {
  font-family: var(--font-handwriting);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.2rem 0.7rem;
  border-radius: var(--border-radius-sm);
  border: 1.5px solid var(--ink-stroke);
}

.class-economy { background: var(--sky-light); color: #0284C7; }
.class-business { background: var(--sunshine-light); color: #D97706; }
.class-first { background: #F3E8FF; color: #7C3AED; }
.class-unlimited { background: #FFE4E6; color: #E11D48; }

.pass-flight-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--cream-bg);
  border: 1.5px solid var(--ink-stroke);
  padding: 0.9rem 1.2rem;
  border-radius: var(--border-radius-md);
  margin-bottom: 1.8rem;
}

.flight-point { display: flex; flex-direction: column; align-items: center; }
.flight-point .code { font-family: var(--font-calligraphy); font-weight: 900; font-size: 1.4rem; color: var(--ink-dark); line-height: 1; }
.flight-point .city { font-family: var(--font-handwriting); font-size: 0.9rem; color: var(--ink-muted); }

.flight-path { display: flex; align-items: center; gap: 0.5rem; flex-grow: 1; margin: 0 1rem; }
.dashed-line { height: 2px; background: repeating-linear-gradient(90deg, var(--ink-stroke) 0 6px, transparent 0 10px); flex-grow: 1; }
.plane-icon { font-size: 1.2rem; }

.pass-price-block { margin-bottom: 1.8rem; }
.price-display { display: flex; align-items: baseline; gap: 0.2rem; }
.currency { font-family: var(--font-calligraphy); font-weight: 900; font-size: 1.6rem; color: var(--primary-blue); }
.amount { font-family: var(--font-handwriting); font-weight: 700; font-size: 3.2rem; color: var(--ink-dark); line-height: 1; }
.period { font-family: var(--font-handwriting); font-size: 1.1rem; color: var(--ink-muted); font-weight: 700; }
.price-sub { display: block; font-family: var(--font-handwriting); font-size: 0.95rem; color: var(--ink-muted); margin-top: 0.3rem; }

.pass-features-list { margin-bottom: 2rem; display: flex; flex-direction: column; gap: 0.7rem; flex-grow: 1; }
.pass-features-list li { font-size: 0.92rem; color: var(--ink-dark); display: flex; align-items: center; gap: 0.5rem; }
.pass-features-list .check { color: var(--pastel-green); font-weight: 900; font-size: 1.1rem; }

.pass-meta-row {
  display: flex; justify-content: space-between; font-family: var(--font-handwriting);
  font-size: 0.95rem; font-weight: 700; color: var(--ink-muted); border-top: 1.5px dashed var(--ink-stroke);
  padding-top: 0.8rem; margin-bottom: 1.2rem;
}

/* Boarding Pass Tear Stub */
.pass-stub {
  background: var(--paper-bg);
  position: relative; padding: 1.2rem 1.8rem; border-top: 2px dashed var(--ink-stroke);
}

.pass-stub::before, .pass-stub::after {
  content: ''; position: absolute; top: -12px; width: 24px; height: 24px;
  background: var(--sky-bg); border-radius: 50%; border: 2px solid var(--ink-stroke);
}
.pass-stub::before { left: -14px; }
.pass-stub::after { right: -14px; }

.stub-content { display: flex; align-items: center; justify-content: space-between; }
.stub-title { font-family: var(--font-handwriting); font-weight: 700; font-size: 0.9rem; color: var(--ink-muted); }
.stub-barcode { font-family: monospace; letter-spacing: 2px; font-weight: bold; font-size: 0.95rem; color: var(--ink-dark); }
.stub-code { font-size: 0.7rem; color: var(--ink-muted); font-weight: 600; }

/* Passenger Reviews / Flight Logs */
.reviews-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 2rem;
}

.review-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 2rem 1.8rem;
  box-shadow: var(--shadow-sketch);
  border: var(--border-ink);
  position: relative;
  transition: all var(--transition-normal);
}

.review-card:hover { transform: translate(-3px, -3px); box-shadow: var(--shadow-sketch-hover); }

.passport-stamp {
  position: absolute; top: 18px; right: 18px;
  border: 2px dashed #EF4444; color: #EF4444;
  font-family: var(--font-handwriting); font-weight: 700; font-size: 0.95rem;
  padding: 0.2rem 0.6rem; border-radius: 6px; transform: rotate(-12deg); opacity: 0.85;
}

.reviewer-profile { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.2rem; }
.reviewer-avatar { width: 48px; height: 48px; background: var(--sunshine-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; border: 2px solid var(--ink-stroke); }
.reviewer-name { font-family: var(--font-calligraphy); font-weight: 900; font-size: 1.1rem; color: var(--ink-dark); }
.reviewer-tag { font-family: var(--font-handwriting); font-size: 0.9rem; color: var(--ink-muted); display: block; }

.review-text { font-size: 0.95rem; color: var(--ink-muted); line-height: 1.65; margin-bottom: 1.2rem; }
.review-rating { font-size: 0.9rem; font-weight: 700; color: #F59E0B; }

/* Tutorials & Knowledge Base */
.tutorials-section {
  background: var(--paper-bg);
  border-top: 2.5px solid var(--ink-stroke);
  border-bottom: 2.5px solid var(--ink-stroke);
}

.tutorials-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem;
}

.tutorial-card {
  background: var(--cream-bg);
  border-radius: var(--border-radius-lg);
  padding: 2rem 1.8rem;
  box-shadow: var(--shadow-sketch);
  border: var(--border-ink);
  transition: all var(--transition-normal);
  cursor: pointer;
  display: flex; flex-direction: column;
}

.tutorial-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-sketch-hover);
  background: var(--white);
}

.tutorial-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.tutorial-tag { font-family: var(--font-handwriting); font-size: 0.95rem; font-weight: 700; color: var(--ink-dark); background: var(--sky-light); border: 1px solid var(--ink-stroke); padding: 0.2rem 0.7rem; border-radius: var(--border-radius-sm); }
.tutorial-readtime { font-family: var(--font-handwriting); font-size: 0.95rem; color: var(--ink-muted); }

.tutorial-title { font-family: var(--font-calligraphy); font-size: 1.35rem; font-weight: 900; color: var(--ink-dark); line-height: 1.35; margin-bottom: 0.8rem; }
.tutorial-excerpt { font-size: 0.92rem; color: var(--ink-muted); line-height: 1.65; margin-bottom: 1.5rem; flex-grow: 1; }
.tutorial-footer { border-top: 1.5px dashed var(--ink-stroke); padding-top: 1rem; }
.read-more-btn { font-family: var(--font-calligraphy); font-weight: 900; font-size: 1rem; color: var(--primary-blue); display: flex; align-items: center; gap: 0.3rem; }

/* FAQ Accordion Section */
.faq-accordion-box { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 1.2rem; }

.faq-item {
  background: var(--white);
  border-radius: var(--border-radius-md);
  border: var(--border-ink);
  box-shadow: var(--shadow-sketch);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item.active { box-shadow: 7px 7px 0 var(--ink-stroke); }

.faq-question {
  width: 100%; padding: 1.4rem 1.8rem; background: transparent; border: none;
  font-family: var(--font-calligraphy); font-size: 1.25rem; font-weight: 900;
  color: var(--ink-dark); text-align: left; cursor: pointer; display: flex;
  align-items: center; justify-content: space-between;
}

.faq-question:hover { color: var(--primary-blue); }
.faq-icon { font-size: 1.5rem; color: var(--ink-dark); font-weight: bold; transition: transform var(--transition-fast); }
.faq-item.active .faq-icon { transform: rotate(45deg); }

.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; padding: 0 1.8rem; }
.faq-item.active .faq-answer { max-height: 300px; padding: 0 1.8rem 1.5rem 1.8rem; }
.faq-answer p { font-size: 0.98rem; color: var(--ink-muted); line-height: 1.7; }

/* Article Modal Reader Styling */
.article-modal {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 1000;
  display: flex; align-items: center; justify-content: center; opacity: 0;
  pointer-events: none; transition: opacity 0.3s ease; padding: 1.5rem;
}

.article-modal.active { opacity: 1; pointer-events: auto; }
.modal-backdrop { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(30, 41, 59, 0.65); backdrop-filter: blur(8px); }

.modal-content-container {
  position: relative; background: var(--cream-bg); width: 100%; max-width: 880px; max-height: 90vh;
  border-radius: var(--border-radius-lg); overflow-y: auto; border: var(--border-ink);
  box-shadow: 10px 10px 0 var(--ink-stroke); z-index: 1001; display: flex; flex-direction: column;
}

.modal-close-btn {
  position: absolute; top: 1.5rem; right: 1.5rem; width: 42px; height: 42px;
  border-radius: 50%; background: var(--sunshine-yellow); border: var(--border-ink);
  font-size: 1.8rem; color: var(--ink-dark); cursor: pointer; display: flex;
  align-items: center; justify-content: center; box-shadow: 2px 2px 0 var(--ink-stroke);
  transition: all var(--transition-fast); z-index: 10;
}

.modal-close-btn:hover { background: var(--warm-coral); color: var(--white); transform: translate(1px, 1px); }

.modal-header-banner {
  background: var(--paper-bg); padding: 3rem 3rem 2rem 3rem; border-bottom: 2.5px solid var(--ink-stroke);
}

.modal-badge { font-family: var(--font-handwriting); font-size: 1rem; font-weight: 700; color: var(--ink-dark); background: var(--sunshine-yellow); padding: 0.25rem 0.8rem; border-radius: var(--border-radius-sm); border: 1px solid var(--ink-stroke); display: inline-block; margin-bottom: 0.8rem; }
.modal-title { font-family: var(--font-calligraphy); font-size: 2rem; font-weight: 900; color: var(--ink-dark); line-height: 1.3; margin-bottom: 1rem; }
.modal-meta-info { display: flex; gap: 1.5rem; font-family: var(--font-handwriting); font-size: 1.05rem; color: var(--ink-muted); flex-wrap: wrap; }

.modal-body-content { padding: 2.5rem 3rem; line-height: 1.8; color: var(--ink-dark); font-size: 1.05rem; }
.modal-body-content h3 { font-family: var(--font-calligraphy); font-size: 1.5rem; font-weight: 900; margin: 1.8rem 0 1rem 0; color: var(--primary-blue); }
.modal-body-content p { margin-bottom: 1.2rem; }
.modal-body-content ul, .modal-body-content ol { margin: 1rem 0 1.5rem 1.5rem; }
.modal-body-content li { margin-bottom: 0.5rem; }
.modal-body-content code { background: var(--sky-light); color: var(--primary-blue-hover); border: 1px solid var(--ink-stroke); padding: 0.2rem 0.5rem; border-radius: 4px; font-family: monospace; }

.modal-footer-cta { padding: 0 3rem 3rem 3rem; }
.cta-banner-box { background: var(--sunshine-light); padding: 2rem; border-radius: var(--border-radius-md); text-align: center; border: 2.5px dashed var(--ink-stroke); }
.cta-banner-box h3 { font-family: var(--font-calligraphy); font-size: 1.5rem; font-weight: 900; color: var(--ink-dark); margin-bottom: 0.5rem; }
.cta-banner-box p { font-family: var(--font-handwriting); font-size: 1.2rem; color: var(--ink-muted); margin-bottom: 1.2rem; }

/* Footer Section */
.main-footer {
  background: var(--ink-stroke); color: #94A3B8; padding-top: 4.5rem; padding-bottom: 2.5rem; border-top: 3px solid #0F172A;
}

.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem; margin-bottom: 3.5rem; }
.footer-brand .brand-title { color: var(--white); }
.footer-desc { margin-top: 1rem; font-size: 0.9rem; line-height: 1.6; color: #CBD5E1; }
.footer-heading { color: var(--white); font-family: var(--font-calligraphy); font-size: 1.25rem; font-weight: 900; margin-bottom: 1.2rem; }

.footer-links { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links a { color: #94A3B8; font-size: 0.9rem; }
.footer-links a:hover { color: var(--sunshine-yellow); }

.footer-bottom { border-top: 1px solid #334155; padding-top: 2rem; display: flex; flex-direction: column; align-items: center; gap: 0.8rem; text-align: center; font-size: 0.85rem; }
.footer-bottom a { color: var(--sunshine-yellow); }
.disclaimer { font-size: 0.78rem; color: #64748B; }

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-cta-group, .hero-trust-metrics { justify-content: center; }
  .hero-illustration-block { max-width: 540px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .modal-header-banner, .modal-body-content, .modal-footer-cta { padding: 1.8rem; }
}

@media (max-width: 768px) {
  .nav-menu { position: fixed; top: 80px; left: -100%; width: 100%; height: calc(100vh - 80px); background: var(--cream-bg); flex-direction: column; padding: 2.5rem; gap: 1.8rem; transition: left var(--transition-fast); border-bottom: 2.5px solid var(--ink-stroke); }
  .nav-menu.active { left: 0; }
  .mobile-toggle { display: flex; }
  .hero-title { font-size: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .status-header-flex { flex-direction: column; align-items: flex-start; }
}