/* AirBharat Brand Styles - Apple Inspired Design */

:root {
  /* Brand Colors */
  --primary-blue: #0066CC;
  --primary-orange: #FF6B35;
  --secondary-blue: #004499;
  --accent-gold: #FFB700;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --light-gray: #F5F5F7;
  --medium-gray: #86868B;
  --dark-gray: #1D1D1F;
  --black: #000000;
  
  /* Gradients */
  --hero-gradient: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
  --card-gradient: linear-gradient(145deg, var(--white) 0%, var(--light-gray) 100%);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-hero: clamp(2.5rem, 5vw, 4rem);
  --font-size-h1: clamp(2rem, 4vw, 3rem);
  --font-size-h2: clamp(1.5rem, 3vw, 2.25rem);
  --font-size-h3: clamp(1.25rem, 2.5vw, 1.75rem);
  --font-size-body: 1rem;
  --font-size-small: 0.875rem;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --border-radius: 12px;
  --border-radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  
  /* Animation */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  line-height: 1.6;
  color: var(--dark-gray);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--medium-gray);
}

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

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

/* Layout Components */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
  color: var(--dark-gray);
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: all var(--transition-smooth);
}

.nav-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav-logo .logo {
  width: 32px;
  height: 32px;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-blue);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-menu a {
  font-weight: 500;
  color: var(--dark-gray);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.nav-menu a:hover {
  background-color: var(--light-gray);
  color: var(--primary-blue);
}

.book-btn {
  background: var(--primary-blue) !important;
  color: var(--white) !important;
  padding: var(--spacing-xs) var(--spacing-md) !important;
  border-radius: var(--border-radius) !important;
  font-weight: 600 !important;
}

.book-btn:hover {
  background: var(--secondary-blue) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--dark-gray);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: var(--hero-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl) var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: var(--font-size-hero);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xl);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-primary, .cta-secondary {
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius);
  font-size: 1.125rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-decoration: none;
  display: inline-block;
}

.cta-primary {
  background: var(--white);
  color: var(--primary-blue);
}

.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cta-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.cta-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.hero-visual {
  position: absolute;
  right: -200px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.1;
  z-index: 1;
}

.aircraft-silhouette {
  width: 500px;
  height: 200px;
  background: var(--white);
  clip-path: polygon(0% 50%, 15% 30%, 85% 35%, 100% 50%, 85% 65%, 15% 70%);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(-20px); }
  50% { transform: translateY(20px); }
}

/* Hero Aircraft Styling */
.hero-aircraft {
  width: 100%;
  height: 300px;
  animation: heroFloat 8s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% {
    transform: translateY(0px) translateX(0px);
  }
  33% {
    transform: translateY(-15px) translateX(10px);
  }
  66% {
    transform: translateY(-10px) translateX(-5px);
  }
}

/* Experience Section */
.experience {
  padding: var(--spacing-3xl) 0;
  background: var(--light-gray);
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.experience-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  text-align: center;
}

.experience-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-md);
  background: var(--primary-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.card-icon svg {
  width: 28px;
  height: 28px;
}

.experience-card h3 {
  color: var(--dark-gray);
  margin-bottom: var(--spacing-sm);
}

/* Fleet Section */
.fleet {
  padding: var(--spacing-3xl) 0;
}

.fleet-showcase {
  display: grid;
  gap: var(--spacing-xl);
}

.fleet-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
}

.fleet-card:hover {
  box-shadow: var(--shadow-md);
}

.fleet-card.active {
  background: var(--card-gradient);
  border: 2px solid var(--primary-blue);
}

.fleet-image {
  position: relative;
}

.aircraft-placeholder {
  width: 100%;
  height: 200px;
  border-radius: var(--border-radius);
  background: linear-gradient(45deg, var(--primary-blue), var(--secondary-blue));
  position: relative;
  overflow: hidden;
}

.aircraft-placeholder::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 10%;
  right: 10%;
  height: 30px;
  background: var(--white);
  border-radius: 15px;
  transform: translateY(-50%);
}

.aircraft-placeholder.a350::after {
  content: 'A350-900';
  position: absolute;
  bottom: 10px;
  left: 10px;
  color: var(--white);
  font-weight: 600;
  font-size: 0.875rem;
}

.aircraft-placeholder.b787::after {
  content: 'B787';
  position: absolute;
  bottom: 10px;
  left: 10px;
  color: var(--white);
  font-weight: 600;
  font-size: 0.875rem;
}

.fleet-info h3 {
  color: var(--dark-gray);
  margin-bottom: var(--spacing-sm);
}

.fleet-specs {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.fleet-specs span {
  background: var(--light-gray);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-small);
  font-weight: 500;
  color: var(--dark-gray);
}

/* Destinations Section */
.destinations {
  padding: var(--spacing-3xl) 0;
  background: var(--light-gray);
}

.destinations-map {
  position: relative;
  height: 400px;
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.destinations-map::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="world-grid" width="5" height="5" patternUnits="userSpaceOnUse"><circle cx="2.5" cy="2.5" r="0.5" fill="rgba(0,102,204,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23world-grid)"/></svg>');
}

.destination-pin {
  position: absolute;
  transform: translate(-50%, -50%);
  cursor: pointer;
  animation: pulse 2s infinite;
}

.destination-pin .pin {
  width: 12px;
  height: 12px;
  background: var(--primary-orange);
  border: 3px solid var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
}

.destination-pin span {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark-gray);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-small);
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.destination-pin:hover span {
  opacity: 1;
}

@keyframes pulse {
  0% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.1); }
  100% { transform: translate(-50%, -50%) scale(1); }
}

/* About Section */
.about {
  padding: var(--spacing-3xl) 0;
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-text h2 {
  color: var(--dark-gray);
  margin-bottom: var(--spacing-md);
}

.about-text p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.stat {
  text-align: center;
}

.stat h3 {
  font-size: 2rem;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-xs);
}

.stat p {
  color: var(--medium-gray);
  font-weight: 500;
}

.vision-card {
  background: var(--card-gradient);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border: 2px solid var(--primary-blue);
  text-align: center;
}

.vision-card h3 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-md);
}

/* Footer */
.footer {
  background: var(--dark-gray);
  color: var(--white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.footer-logo .logo {
  width: 32px;
  height: 32px;
  filter: brightness(0) invert(1);
}

.footer-logo .logo-text {
  color: var(--white);
}

.footer-section h3 {
  margin-bottom: var(--spacing-md);
  color: var(--white);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
  color: var(--medium-gray);
  transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-links a {
  color: var(--medium-gray);
  font-size: var(--font-size-small);
}

/* SVG Aircraft Styling */
.aircraft-svg {
  width: 100%;
  height: 200px;
  border-radius: var(--border-radius);
  background: linear-gradient(45deg, var(--light-gray) 0%, var(--white) 100%);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-smooth);
}

.fleet-card:hover .aircraft-svg {
  transform: scale(1.05);
}

/* World Map Styling */
.world-map {
  width: 100%;
  height: 400px;
  border-radius: var(--border-radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-smooth);
}

.world-map .route {
  stroke-dasharray: 10, 5;
  animation: dash 20s linear infinite;
}

@keyframes dash {
  to {
    stroke-dashoffset: -100;
  }
}

.destination-markers .pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 0.1;
    transform: scale(1.5);
  }
  100% {
    opacity: 0.3;
    transform: scale(1);
  }
}

.destination-pin:hover circle {
  transform: scale(1.2);
  transition: transform var(--transition-fast);
}

.destination-pin:hover text {
  font-weight: 700;
  transition: font-weight var(--transition-fast);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hero {
    padding: var(--spacing-2xl) var(--spacing-md);
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .experience-grid {
    grid-template-columns: 1fr;
  }
  
  .fleet-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
  
  .fleet-specs {
    justify-content: center;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus States */
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

/* Loading States */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

/* Print Styles */
@media print {
  .navbar,
  .hero-actions,
  .footer {
    display: none;
  }
  
  .hero {
    min-height: auto;
    padding: var(--spacing-lg);
  }
}