/* ==========================================================================
   Maestro Aero - Official Brand Stylesheet
   Modern Aviation Travel Platform
   Built with pure Vanilla CSS
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design System & CSS Variables
   -------------------------------------------------------------------------- */
:root {
  /* Brand Colors from App UI */
  --color-primary: #00897b;           /* Aviation Teal */
  --color-primary-dark: #00695c;      /* Deep Teal */
  --color-primary-light: #26a69a;     /* Bright Teal */
  --color-primary-soft: #e0f2f1;      /* Pale Mint/Teal Tint */
  --color-primary-rgb: 0, 137, 123;
  
  --color-accent: #ff5722;            /* Coral Orange */
  --color-accent-hover: #e64a19;      /* Deep Orange */
  --color-accent-soft: #fbe9e7;       /* Soft Peach Tint */
  --color-accent-rgb: 255, 87, 34;

  --color-sky-blue: #0284c7;          /* Logo "aero" Sky Blue */
  --color-sky-light: #e0f2fe;

  /* Neutrals & Dark Tones */
  --color-dark: #0f172a;              /* Slate Navy / Near Black */
  --color-dark-surface: #1e293b;
  --color-text-main: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-bg-light: #f8fafc;
  --color-bg-white: #ffffff;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  /* Elevation Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 2px 8px -1px rgba(15, 23, 42, 0.08), 0 1px 4px -1px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 35px -8px rgba(15, 23, 42, 0.12), 0 8px 16px -4px rgba(15, 23, 42, 0.06);
  --shadow-teal: 0 10px 25px -5px rgba(0, 137, 123, 0.35);
  --shadow-orange: 0 10px 25px -5px rgba(255, 87, 34, 0.35);

  /* Border Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1240px;
}

/* --------------------------------------------------------------------------
   2. Reset & Global Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  color: var(--text-main, #1e293b);
  background-color: #fdfdfd;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
}

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* --------------------------------------------------------------------------
   3. Buttons & Component Utilities
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
  user-select: none;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 1.05rem;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-teal);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -4px rgba(0, 137, 123, 0.45);
  color: #ffffff;
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, #ff7043 100%);
  color: #ffffff;
  box-shadow: var(--shadow-orange);
}

.btn-accent:hover {
  background: linear-gradient(135deg, var(--color-accent-hover) 0%, #ff5722 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -4px rgba(255, 87, 34, 0.45);
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
}

.btn-outline-white:hover {
  background: #ffffff;
  color: var(--color-dark);
  border-color: #ffffff;
}

.btn-white {
  background: #ffffff;
  color: var(--color-dark);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background: #f8fafc;
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* Badge pills */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-teal {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.badge-orange {
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
}

.badge-outline {
  border: 1px solid currentColor;
}

/* Section Header Shared */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-header .section-tag {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
}

.section-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   4. Navigation Bar
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: all var(--transition-fast);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 106px;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  transition: min-height var(--transition-fast);
}

.navbar.scrolled .nav-container {
  min-height: 88px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* 3x Larger Brand Logo */
.brand-logo img {
  height: 92px;
  width: auto;
  object-fit: contain;
  transition: all var(--transition-fast);
}

.navbar.scrolled .brand-logo img {
  height: 76px;
}

.brand-logo:hover img {
  transform: scale(1.04);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-main);
  position: relative;
  padding: 0.4rem 0;
}

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

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  background: transparent;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-dark);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Mobile Nav Drawer */
.mobile-nav {
  position: fixed;
  top: 106px;
  left: 0;
  right: 0;
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transform: translateY(-120%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 999;
}

.mobile-nav.is-active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav .nav-link {
  padding: 0.75rem 0;
  font-size: 1.05rem;
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav .nav-actions {
  flex-direction: column;
  align-items: stretch;
  margin-top: 0.5rem;
}

/* --------------------------------------------------------------------------
   5. Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: 155px;
  padding-bottom: 80px;
  background: linear-gradient(180deg, #f0fdfa 0%, #ffffff 70%, #f8fafc 100%);
  overflow: hidden;
}

.hero-glow-1 {
  position: absolute;
  top: -10%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 137, 123, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  top: 20%;
  right: -5%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(255, 87, 34, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: #ffffff;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 137, 123, 0.2);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.hero-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(255, 87, 34, 0.2);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.8; }
}

.hero-title {
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  color: var(--color-dark);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

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

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

/* App Store Badges */
.app-badges-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: #000000;
  color: #ffffff;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.store-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  color: #ffffff;
}

.store-badge svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.store-badge .badge-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.15;
}

.store-badge .badge-text .small {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.8;
}

.store-badge .badge-text .big {
  font-size: 0.95rem;
  font-weight: 700;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

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

.stat-num {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Hero Media Showcase */
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-banner-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: #ffffff;
  transition: transform var(--transition-base);
}

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

.hero-banner-card img {
  width: 100%;
  height: auto;
  display: block;
}

/* Floating Badges over Hero */
.floating-glass-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  z-index: 3;
  animation: float-gentle 4s ease-in-out infinite;
}

.floating-glass-card.top-right {
  top: -20px;
  right: -15px;
}

.floating-glass-card.bottom-left {
  bottom: -20px;
  left: -20px;
  animation-delay: 2s;
}

@keyframes float-gentle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.card-icon-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon-circle.teal {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.card-icon-circle.orange {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.floating-card-info h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-dark);
}

.floating-card-info p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   6. Interactive Flight Search Engine (Live Simulator)
   -------------------------------------------------------------------------- */
.search-widget-section {
  position: relative;
  margin-top: -40px;
  z-index: 10;
  margin-bottom: 5rem;
}

.search-widget-box {
  background: #ffffff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  padding: 2rem 2.25rem;
  position: relative;
}

.search-tabs {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border-light);
  padding-bottom: 1rem;
  flex-wrap: wrap;
}

.search-tab-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.search-tab-btn.active {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.trip-type-radios {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-main);
  cursor: pointer;
}

.radio-label input[type="radio"] {
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* Form Grid */
.search-form-grid {
  display: grid;
  grid-template-columns: 1.5fr 40px 1.5fr 1.2fr 1fr auto;
  align-items: center;
  gap: 0.75rem;
}

.input-group-box {
  position: relative;
  background: #f8fafc;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.input-group-box:focus-within {
  border-color: var(--color-primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.input-group-box label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.input-group-box input,
.input-group-box select {
  background: transparent;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-top: 0.2rem;
  width: 100%;
}

.swap-btn-container {
  display: flex;
  align-items: center;
  justify-content: center;
}

.swap-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #ffffff;
  border: 1.5px solid var(--color-border);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  cursor: pointer;
  box-shadow: var(--shadow-xs);
}

.swap-btn:hover {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  transform: rotate(180deg);
}

/* Flight Results Simulation Card */
.flight-results-preview {
  margin-top: 1.75rem;
  padding-top: 1.75rem;
  border-top: 1px dashed var(--color-border);
  display: none;
  animation: fadeIn 0.4s ease;
}

.flight-results-preview.show {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.results-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.results-header-bar h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
}

.result-card {
  background: #ffffff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 2rem;
  transition: all var(--transition-fast);
}

.result-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.airline-badge {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.airline-name {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--color-dark);
}

.flight-number {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.flight-timing-route {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

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

.timing-node .time {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-dark);
}

.timing-node .airport {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.route-flight-line {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 120px;
}

.route-duration {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.flight-line-graphic {
  position: relative;
  width: 100%;
  height: 2px;
  background: var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.flight-line-graphic svg {
  background: #ffffff;
  padding: 0 4px;
  color: var(--color-primary);
}

.fare-options-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.fare-box {
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  text-align: right;
  border: 1px solid var(--color-border);
  min-width: 130px;
}

.fare-box.active {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
}

.fare-box .class-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-transform: uppercase;
}

.fare-box .price {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-dark);
}

.fare-actions {
  display: flex;
  gap: 0.6rem;
}

.btn-bid {
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
  background: #ffffff;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.btn-bid:hover {
  background: var(--color-accent);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   7. Core Features / Why Choose Maestro Aero
   -------------------------------------------------------------------------- */
.features-section {
  padding: 6rem 0;
  background: #ffffff;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2.25rem 2rem;
  border: 1.5px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 137, 123, 0.3);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon-wrap.teal {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.feature-icon-wrap.orange {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.feature-icon-wrap.sky {
  background: var(--color-sky-light);
  color: var(--color-sky-blue);
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.975rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   8. Real Mobile App UI Showcase
   -------------------------------------------------------------------------- */
.app-showcase-section {
  padding: 6rem 0;
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  position: relative;
}

.screens-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  align-items: stretch;
}

.screen-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.screen-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 137, 123, 0.4);
}

.screen-img-container {
  background: #0f172a;
  position: relative;
  overflow: hidden;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.screen-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform var(--transition-base);
}

.screen-card:hover .screen-img-container img {
  transform: scale(1.03);
}

.screen-details {
  padding: 1.75rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.screen-step {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.screen-details h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.6rem;
}

.screen-details p {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   9. Maestro & Miles Loyalty Program Section
   -------------------------------------------------------------------------- */
.loyalty-section {
  padding: 6.5rem 0;
  background: #ffffff;
  position: relative;
}

.loyalty-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4.5rem;
}

.loyalty-content h2 {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.loyalty-content p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.perks-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.perk-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.perk-check {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.perk-text h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.2rem;
}

.perk-text p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* Digital Membership Card Mockup */
.card-visual-wrap {
  position: relative;
}

.membership-card-digital {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.45);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.membership-card-digital::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 87, 34, 0.25) 0%, rgba(255, 255, 255, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.membership-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 3rem;
}

.membership-tier-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(205, 127, 50, 0.25);
  color: #e2a878;
  border: 1px solid rgba(205, 127, 50, 0.5);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.membership-number {
  font-family: monospace;
  font-size: 1.4rem;
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
  color: #cbd5e1;
}

.membership-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.holder-info .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #94a3b8;
  margin-bottom: 0.2rem;
}

.holder-info .name {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
}

.qr-code-placeholder {
  width: 58px;
  height: 58px;
  background: #ffffff;
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   10. App Download Banner Section
   -------------------------------------------------------------------------- */
.cta-banner-section {
  padding: 5rem 0;
  background: #ffffff;
}

.cta-banner-box {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, #004d40 100%);
  border-radius: var(--radius-xl);
  padding: 4rem 3.5rem;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-banner-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 87, 34, 0.25) 0%, rgba(255, 255, 255, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-content-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 3rem;
  position: relative;
  z-index: 2;
}

.cta-banner-box h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.cta-banner-box p {
  font-size: 1.1rem;
  opacity: 0.9;
  line-height: 1.6;
  margin-bottom: 2rem;
  max-width: 550px;
}

.cta-qr-box {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.cta-qr-code {
  width: 100px;
  height: 100px;
  background: #ffffff;
  padding: 8px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.cta-qr-text h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.cta-qr-text p {
  font-size: 0.85rem;
  opacity: 0.85;
  margin: 0;
}

/* --------------------------------------------------------------------------
   11. FAQ Accordion Section
   -------------------------------------------------------------------------- */
.faq-section {
  padding: 6rem 0;
  background: #f8fafc;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.faq-item:hover {
  border-color: var(--color-primary);
}

.faq-question {
  width: 100%;
  background: transparent;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
  cursor: pointer;
}

.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  padding-bottom: 1.25rem;
}

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

/* --------------------------------------------------------------------------
   12. Legal Pages Specific (Privacy & Terms)
   -------------------------------------------------------------------------- */
.legal-header {
  padding-top: 165px;
  padding-bottom: 50px;
  background: linear-gradient(180deg, #f0fdfa 0%, #ffffff 100%);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.legal-header h1 {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.legal-header .meta-info {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.legal-content-wrap {
  padding: 4rem 0 6rem;
  background: #ffffff;
}

.legal-container {
  max-width: 860px;
  margin: 0 auto;
}

.legal-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 3rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.legal-card h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-top: 2.25rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border-light);
}

.legal-card h2:first-of-type {
  margin-top: 0;
}

.legal-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-top: 1.5rem;
  margin-bottom: 0.6rem;
}

.legal-card p, .legal-card li {
  color: #334155;
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}

.legal-card ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.legal-card li {
  margin-bottom: 0.5rem;
}

.legal-card .alert-box {
  background: var(--color-primary-soft);
  border-left: 4px solid var(--color-primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5rem 0;
}

.legal-card .alert-box p {
  color: var(--color-primary-dark);
  margin: 0;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   13. Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--color-dark);
  color: #cbd5e1;
  padding-top: 5rem;
  padding-bottom: 2rem;
  position: relative;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .brand-logo {
  margin-bottom: 1.25rem;
}

.footer-brand .brand-logo img {
  height: 110px;
  filter: brightness(1.1);
}

.footer-brand p {
  font-size: 0.95rem;
  color: #94a3b8;
  line-height: 1.65;
  margin-bottom: 1.5rem;
  max-width: 320px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-newsletter p {
  font-size: 0.9rem;
  color: #94a3b8;
  margin-bottom: 1rem;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
}

.newsletter-form input {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.65rem 1rem;
  border-radius: var(--radius-full);
  color: #ffffff;
  font-size: 0.9rem;
  flex: 1;
}

.newsletter-form input::placeholder {
  color: #64748b;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  font-size: 0.875rem;
  color: #64748b;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

.footer-legal-links a {
  color: #94a3b8;
}

.footer-legal-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   14. Interactive Modal (Bid & Select Dialog)
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  padding: 1rem;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: #ffffff;
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 100%;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-base);
}

.modal-overlay.open .modal-dialog {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: #f1f5f9;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-dark);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.modal-close-btn:hover {
  background: #e2e8f0;
}

/* --------------------------------------------------------------------------
   15. Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .search-form-grid {
    grid-template-columns: 1fr 1fr;
  }
  .swap-btn-container {
    grid-column: span 2;
  }
  .search-form-grid .btn-accent {
    grid-column: span 2;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .screens-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }
  .loyalty-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .cta-content-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .brand-logo img {
    height: 68px;
  }
  .nav-container {
    min-height: 84px;
  }
  .mobile-nav {
    top: 84px;
  }
  .hero {
    padding-top: 125px;
  }
  .nav-menu, .nav-actions .btn {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .search-widget-box {
    padding: 1.5rem;
  }
  .search-form-grid {
    grid-template-columns: 1fr;
  }
  .swap-btn-container {
    grid-column: span 1;
  }
  .search-form-grid .btn-accent {
    grid-column: span 1;
  }
  .result-card {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    text-align: center;
  }
  .airline-badge {
    align-items: center;
  }
  .flight-timing-route {
    flex-direction: column;
    gap: 1rem;
  }
  .fare-options-group {
    justify-content: center;
  }
  .fare-actions {
    justify-content: center;
  }
  .cta-banner-box {
    padding: 2.5rem 1.5rem;
  }
  .cta-qr-box {
    flex-direction: column;
    text-align: center;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .legal-card {
    padding: 1.5rem;
  }
}

/* --------------------------------------------------------------------------
   16. Account Deletion Page Styles (Faithful to concept image)
   -------------------------------------------------------------------------- */
.deletion-page-wrap {
  padding-top: 165px;
  padding-bottom: 90px;
  background: linear-gradient(180deg, #f0fdfa 0%, #f8fafc 100%);
  min-height: 90vh;
}

.deletion-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

.deletion-header h1 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

.accent-divider {
  width: 50px;
  height: 3px;
  background: #00a2c7;
  border-radius: 2px;
  margin: 0.75rem auto 1.25rem;
}

.deletion-header p {
  font-size: 1.025rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.deletion-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 3rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  max-width: 740px;
  margin: 0 auto;
}

.deletion-card-title {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 0.4rem;
}

.deletion-card-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.deletion-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-control-group {
  display: flex;
  flex-direction: column;
}

.form-control-group label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.form-control-group input,
.form-control-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  background: #ffffff;
  font-size: 0.95rem;
  color: var(--color-dark);
  transition: all var(--transition-fast);
}

.form-control-group input:focus,
.form-control-group textarea:focus {
  border-color: #00a2c7;
  box-shadow: 0 0 0 3px rgba(0, 162, 199, 0.15);
  background: #ffffff;
}

.form-control-group textarea {
  resize: vertical;
  min-height: 130px;
}

.deletion-warning {
  background: #fff1f2;
  border-left: 4px solid #f43f5e;
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.875rem;
  color: #9f1239;
  line-height: 1.55;
  margin-top: 0.5rem;
}

.btn-deletion-submit {
  background: #00a2c7;
  color: #ffffff;
  padding: 0.95rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  margin-top: 0.5rem;
  text-align: center;
  box-shadow: 0 8px 20px -3px rgba(0, 162, 199, 0.35);
}

.btn-deletion-submit:hover {
  background: #008ba3;
  transform: translateY(-2px);
  box-shadow: 0 12px 25px -4px rgba(0, 162, 199, 0.45);
}

@media (max-width: 640px) {
  .form-row-2 {
    grid-template-columns: 1fr;
  }
  .deletion-card {
    padding: 1.75rem;
  }
  .deletion-page-wrap {
    padding-top: 130px;
  }
}