/* ===================================
   UseTrip - Modern Website Styles
   Inspired by Vite, Relume, Firebase
   =================================== */

:root {
  /* Brand Colors */
  --primary-50: #f5f3ff;
  --primary-100: #ede9fe;
  --primary-200: #ddd6fe;
  --primary-300: #c4b5fd;
  --primary-400: #a78bfa;
  --primary-500: #8b5cf6;
  --primary-600: #7c3aed;
  --primary-700: #6d28d9;
  --primary-800: #5b21b6;
  --primary-900: #4c1d95;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-dark: linear-gradient(135deg, #1e3a8a 0%, #312e81 100%);
  --gradient-glow: radial-gradient(circle at 50% 0%, rgba(123, 92, 246, 0.35), transparent 70%);
  
  /* Neutral Colors */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Semantic Colors */
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
  
  /* Backgrounds */
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-tertiary: #f5f5f7;
  
  /* Text */
  --text-primary: #0a0a0a;
  --text-secondary: #525252;
  --text-tertiary: #737373;
  --text-muted: #a3a3a3;
  
  /* Border */
  --border-color: #e5e5e5;
  --border-light: #f5f5f5;
  
  /* Shadows - More sophisticated */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.12);
  --shadow-2xl: 0 24px 48px rgba(0, 0, 0, 0.14);
  --shadow-colored: 0 8px 32px rgba(123, 92, 246, 0.2);
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', system-ui, sans-serif;
  
  /* Max Width */
  --max-width-sm: 640px;
  --max-width-md: 768px;
  --max-width-lg: 1024px;
  --max-width-xl: 1280px;
  --max-width-2xl: 1400px;
}

/* ===================================
   Reset & Base Styles
   =================================== */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 1rem;
  overflow-x: hidden;
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
  line-height: 1.75;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

/* Selection */
::selection {
  background-color: var(--primary-200);
  color: var(--primary-900);
}

/* Scrollbar - Modern Chrome/Safari */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* ===================================
   Utility Classes & Container
   =================================== */

.container {
  max-width: var(--max-width-xl);
  margin: 0 auto;
  padding-left: var(--space-xl);
  padding-right: var(--space-xl);
}

.container-narrow {
  max-width: var(--max-width-lg);
  margin: 0 auto;
  padding-left: var(--space-xl);
  padding-right: var(--space-xl);
}

.text-link {
  color: var(--primary-600);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition-base);
}

.text-link:hover {
  text-decoration-color: var(--primary-600);
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Backdrop Blur Utility */
.backdrop-blur {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ===================================
   Header & Navigation - Vite Inspired
   =================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--primary-400) 15%,
    var(--primary-500) 30%,
    var(--primary-600) 50%,
    var(--primary-500) 70%,
    var(--primary-400) 85%,
    transparent 100%
  );
  transform: translateX(-100%);
  animation: header-line 3s ease-in-out infinite;
}

@keyframes header-line {
  0% {
    transform: translateX(-100%);
  }
  50% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text-primary);
  z-index: 2;
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: translateY(-1px);
}

.logo-img {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.logo:hover .logo-img {
  box-shadow: var(--shadow-md);
}

.logo-text {
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9375rem;
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
  border-radius: var(--radius-full);
}

.nav-link:hover {
  color: var(--primary-600);
}

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-link.active {
  color: var(--primary-600);
  font-weight: 600;
}

.nav-link.active::after {
  transform: scaleX(1);
}

/* ===================================
   Buttons - Modern Design System
   =================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

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

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1.5px solid var(--border-color);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.btn-white {
  background: white;
  color: var(--primary-600);
  box-shadow: var(--shadow-md);
  font-weight: 600;
}

.btn-white:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius-xl);
}

.btn-full {
  width: 100%;
}

.btn svg {
  width: 1.25rem;
  height: 1.25rem;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(2px);
}

/* ===================================
   Hero Section - Animated Travel Theme
   =================================== */

.hero {
  position: relative;
  width: 100%;
  height: 80vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-background {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0f2027 0%, #203a43 40%, #2c5364 100%);
  animation: gradient-shift 20s ease infinite;
}

@keyframes gradient-shift {
  0%, 100% { filter: hue-rotate(0deg) brightness(1); }
  50% { filter: hue-rotate(10deg) brightness(1.1); }
}

.hero-background::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  animation: glow-pulse 8s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.flight-paths {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
  pointer-events: none;
  z-index: 3;
}

.flight-path {
  stroke: rgba(255, 255, 255, 0.5);
  stroke-width: 2;
  fill: none;
  stroke-dasharray: 10 15;
  stroke-linecap: round;
  animation: dash-flow 30s linear infinite;
}

.flight-path-2 {
  animation-duration: 35s;
  animation-delay: -5s;
}

.flight-path-3 {
  animation-duration: 40s;
  animation-delay: -10s;
}

.flight-path-4 {
  animation-duration: 38s;
  animation-delay: -15s;
}

@keyframes dash-flow {
  to { stroke-dashoffset: -1000; }
}

.airplane {
  position: absolute;
  filter: drop-shadow(0 4px 16px rgba(255, 255, 255, 0.6)) drop-shadow(0 0 8px rgba(255, 255, 255, 0.8));
  pointer-events: none;
  z-index: 6;
  opacity: 1;
}

.airplane-1 {
  width: 40px;
  height: 40px;
  offset-path: path('M 0 700 Q 300 150, 960 300 T 1920 650');
  offset-rotate: auto;
  animation: fly-path-1 28s ease-in-out infinite;
}

.airplane-2 {
  width: 35px;
  height: 35px;
  offset-path: path('M 0 300 Q 500 50, 1200 200 T 1920 400');
  offset-rotate: auto;
  animation: fly-path-2 32s ease-in-out infinite;
  animation-delay: -10s;
}

.airplane-3 {
  width: 38px;
  height: 38px;
  offset-path: path('M 0 500 Q 400 650, 900 450 T 1920 550');
  offset-rotate: auto;
  animation: fly-path-3 35s ease-in-out infinite;
  animation-delay: -20s;
}

.airplane-4 {
  width: 32px;
  height: 32px;
  offset-path: path('M 0 200 Q 700 500, 1300 250 T 1920 350');
  offset-rotate: auto;
  animation: fly-path-4 30s ease-in-out infinite;
  animation-delay: -5s;
}

.airplane-5 {
  width: 36px;
  height: 36px;
  offset-path: path('M 0 600 Q 450 250, 1050 550 T 1920 500');
  offset-rotate: auto;
  animation: fly-path-5 33s ease-in-out infinite;
  animation-delay: -15s;
}

.airplane-6 {
  width: 34px;
  height: 34px;
  offset-path: path('M 0 400 Q 550 100, 1150 400 T 1920 300');
  offset-rotate: auto;
  animation: fly-path-6 29s ease-in-out infinite;
  animation-delay: -7s;
}

.airplane-7 {
  width: 37px;
  height: 37px;
  offset-path: path('M 0 100 Q 400 600, 1000 200 T 1920 450');
  offset-rotate: auto;
  animation: fly-path-7 31s ease-in-out infinite;
  animation-delay: -18s;
}

.airplane-8 {
  width: 33px;
  height: 33px;
  offset-path: path('M 0 550 Q 650 200, 1250 600 T 1920 400');
  offset-rotate: auto;
  animation: fly-path-8 34s ease-in-out infinite;
  animation-delay: -12s;
}

@keyframes fly-path-1 {
  0% { offset-distance: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}

@keyframes fly-path-2 {
  0% { offset-distance: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}

@keyframes fly-path-3 {
  0% { offset-distance: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}

@keyframes fly-path-4 {
  0% { offset-distance: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}

@keyframes fly-path-5 {
  0% { offset-distance: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}

@keyframes fly-path-6 {
  0% { offset-distance: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}

@keyframes fly-path-7 {
  0% { offset-distance: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}

@keyframes fly-path-8 {
  0% { offset-distance: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}

.airplane svg {
  width: 100%;
  height: 100%;
  fill: white;
  transform: rotate(90deg);
}

.map-pins {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.map-pin {
  position: absolute;
  width: 32px;
  height: 32px;
  animation: pin-float 4s ease-in-out infinite;
}

.map-pin svg {
  width: 100%;
  height: 100%;
  fill: #a78bfa;
  filter: drop-shadow(0 4px 12px rgba(167, 139, 250, 0.6));
}

.map-pin-1 {
  top: 25%;
  left: 20%;
}

.map-pin-2 {
  top: 60%;
  left: 70%;
  animation-delay: -1.5s;
}

.map-pin-3 {
  top: 40%;
  right: 15%;
  animation-delay: -3s;
}

@keyframes pin-float {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-15px) scale(1.05); }
}

.map-pin::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.4) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: pin-pulse 2s ease-out infinite;
}

@keyframes pin-pulse {
  0% { transform: translate(-50%, -50%) scale(0.8); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(2); opacity: 0; }
}

.clouds {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.15;
  pointer-events: none;
}

.cloud {
  position: absolute;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 100px;
  filter: blur(20px);
}

.cloud-1 {
  width: 200px;
  height: 80px;
  top: 15%;
  left: -200px;
  animation: cloud-drift-1 45s linear infinite;
}

.cloud-2 {
  width: 150px;
  height: 60px;
  top: 40%;
  left: -150px;
  animation: cloud-drift-2 55s linear infinite;
}

.cloud-3 {
  width: 180px;
  height: 70px;
  top: 65%;
  left: -180px;
  animation: cloud-drift-3 50s linear infinite;
}

@keyframes cloud-drift-1 {
  to { transform: translateX(calc(100vw + 200px)); }
}

@keyframes cloud-drift-2 {
  to { transform: translateX(calc(100vw + 150px)); }
}

@keyframes cloud-drift-3 {
  to { transform: translateX(calc(100vw + 180px)); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.2) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  color: white;
  max-width: 900px;
  padding: 0 2rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  animation: fade-up 1s ease-out;
  color: white;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 400;
  margin-bottom: 2.5rem;
  opacity: 0.95;
  line-height: 1.6;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  animation: fade-up 1s ease-out 0.2s backwards;
  color: white;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.125rem 2.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 8px 32px rgba(123, 92, 246, 0.4);
  transition: all 0.3s ease;
  animation: fade-up 1s ease-out 0.4s backwards;
}

.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(123, 92, 246, 0.6);
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===================================
   Features Section - Modern Card Design
   =================================== */

.features {
  padding: var(--space-4xl) var(--space-xl);
  background: var(--bg-secondary);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-4xl);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.section-description {
  font-size: 1.175rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-xl);
  max-width: var(--max-width-2xl);
  margin: 0 auto;
}

.feature-card {
  padding: var(--space-2xl);
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.feature-card:hover::before {
  opacity: 0.03;
}

.feature-card:hover {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-xl);
  transform: translateY(-6px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: white;
  box-shadow: var(--shadow-colored);
  transition: all var(--transition-base);
  position: relative;
  z-index: 1;
}

.feature-card:hover .feature-icon {
  transform: scale(1.05) rotate(5deg);
  box-shadow: var(--shadow-xl);
}

.feature-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  line-height: 1.3;
  position: relative;
  z-index: 1;
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1rem;
  position: relative;
  z-index: 1;
}

/* ===================================
   CTA Section - Bold Gradient Style
   =================================== */

.cta {
  background: var(--gradient-primary);
  padding: var(--space-4xl) var(--space-xl);
  color: white;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -25%;
  width: 100%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: cta-glow 8s ease-in-out infinite;
}

@keyframes cta-glow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-10%, 10%); }
}

.cta-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: var(--space-lg);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.cta-description {
  font-size: 1.175rem;
  margin-bottom: var(--space-2xl);
  color: white;
  line-height: 1.7;
}

/* ===================================
   Support & Privacy Pages
   =================================== */

.support-hero,
.privacy-hero {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  padding: var(--space-4xl) var(--space-xl);
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.support-hero::before,
.privacy-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 600px;
  height: 200px;
  background: var(--gradient-glow);
  pointer-events: none;
}

.page-title {
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.03em;
  position: relative;
  z-index: 1;
}

.page-description {
  font-size: 1.175rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.support-section,
.privacy-section {
  padding: var(--space-4xl) var(--space-xl);
  background: var(--bg-primary);
}

.support-grid {
  display: grid;
  grid-template-columns: 1.2fr 400px;
  gap:var(--space-4xl);
  max-width: var(--max-width-xl);
  margin: 0 auto;
}

/* Form Styles - Modern & Clean */
.form-container {
  background: var(--bg-primary);
  padding: var(--space-3xl);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.form-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2xl);
  letter-spacing: -0.02em;
}

.support-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
}

.form-input,
.form-textarea {
  padding: 1rem 1.25rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition-base);
  background: var(--bg-primary);
  color: var(--text-primary);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 4px rgba(123, 92, 246, 0.08);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}

.form-message {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin-top: var(--space-lg);
  font-size: 0.9375rem;
  font-weight: 500;
}

.form-success {
  background: rgba(16, 185, 129, 0.08);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-error {
  background: rgba(239, 68, 68, 0.08);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Contact Info Cards */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.info-card {
  background: var(--bg-primary);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.info-card:hover {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.info-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-colored);
}

.info-card h3 {
  font-size: 1.175rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.info-card p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.info-link {
  color: var(--primary-600);
  font-weight: 600;
  font-size: 0.9375rem;
  display: inline-block;
  margin-top: var(--space-sm);
  transition: color var(--transition-fast);
}

.info-link:hover {
  color: var(--primary-700);
  text-decoration: underline;
}

/* FAQ Section */
.faq-section {
  margin-top: var(--space-4xl);
  padding-top: var(--space-4xl);
  border-top: 1px solid var(--border-color);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 900px;
  margin: var(--space-2xl) auto 0;
}

.faq-item {
  background: var(--bg-secondary);
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.faq-question {
  font-size: 1.175rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.faq-answer {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1rem;
  margin: 0;
}

/* ===================================
   Privacy Page
   =================================== */

.privacy-section .container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-4xl);
  max-width: var(--max-width-xl);
}

.privacy-content {
  background: var(--bg-primary);
  padding: var(--space-3xl);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.privacy-intro {
  font-size: 1.125rem;
  color: var(--text-secondary);
  padding: var(--space-xl);
  background: var(--primary-50);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--primary-500);
  margin-bottom: var(--space-3xl);
  line-height: 1.7;
}

.privacy-block {
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid var(--border-light);
}

.privacy-block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.privacy-block h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.privacy-block h3 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: var(--space-xl) 0 var(--space-md);
  letter-spacing: -0.01em;
}

.privacy-block p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
  font-size: 1.0625rem;
}

.privacy-block ul,
.privacy-block ol {
  color: var(--text-secondary);
  margin: var(--space-lg) 0;
  padding-left: var(--space-xl);
  list-style-position: outside;
}

.privacy-block li {
  margin-bottom: var(--space-md);
  line-height: 1.75;
  font-size: 1.0625rem;
}

.privacy-block li strong {
  color: var(--text-primary);
  font-weight: 600;
}

.warning-box {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: rgba(245, 158, 11, 0.06);
  border: 1.5px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-lg);
  color: #78350f;
  margin-top: var(--space-xl);
}

.warning-box svg {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--warning);
}

.warning-box strong {
  font-weight: 600;
}

/* Privacy Sidebar */
.privacy-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.sidebar-card {
  background: var(--bg-primary);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  position: sticky;
  top: 96px;
  box-shadow: var(--shadow-sm);
}

.sidebar-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.sidebar-links {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.sidebar-links li a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  display: block;
  padding: var(--space-sm) 0;
  transition: color var(--transition-fast);
  line-height: 1.5;
}

.sidebar-links li a:hover {
  color: var(--primary-600);
}

.sidebar-cta {
  background: var(--gradient-primary);
  color: white;
  border: none;
}

.sidebar-cta h3 {
  color: white;
}

.sidebar-cta p {
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.9375rem;
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

/* ===================================
   Footer - Modern & Clean
   =================================== */

.footer {
  background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
  color: white;
  padding: var(--space-4xl) var(--space-xl) var(--space-2xl);
  margin-top: auto;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: var(--space-4xl);
  margin-bottom: var(--space-3xl);
  max-width: var(--max-width-xl);
  margin-left: auto;
  margin-right: auto;
}

.footer-brand .logo {
  margin-bottom: var(--space-lg);
  color: white;
}

.footer-brand .logo-text {
  background: linear-gradient(135deg, #ffffff 0%, #e9d5ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand .logo-img {
  box-shadow: var(--shadow-md);
}

.footer-description {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9375rem;
  max-width: 340px;
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3xl);
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-heading {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: white;
  margin-bottom: var(--space-sm);
}

.footer-link {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
  line-height: 1.5;
}

.footer-link:hover {
  color: white;
}

.footer-bottom {
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  max-width: var(--max-width-xl);
  margin: 0 auto;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.875rem;
  margin: 0;
}

/* ===================================
   Responsive Design - Mobile First
   =================================== */

@media (max-width: 1024px) {
  :root {
    --space-4xl: 4rem;
  }
  
  .hero {
    height: 75vh;
    min-height: 550px;
  }
  
  .support-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }
  
  .contact-info {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    display: grid;
  }
  
  .privacy-section .container {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }
  
  .privacy-sidebar {
    order: -1;
  }
  
  .sidebar-card {
    position: static;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
    --space-3xl: 3rem;
    --space-4xl: 3.5rem;
  }
  
  .container,
  .container-narrow {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }
  
  .nav-menu {
    gap: var(--space-lg);
  }
  
  .nav-link {
    display: none;
  }
  
  .hero {
    height: 70vh;
    min-height: 500px;
  }
  
  .hero-content {
    padding: 0 var(--space-lg);
  }
  
  .hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }
  
  .hero-cta {
    width: 100%;
    justify-content: center;
  }
  
  .features {
    padding: var(--space-3xl) var(--space-lg);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .cta {
    padding: var(--space-3xl) var(--space-lg);
  }
  
  .form-container {
    padding: var(--space-xl);
  }
  
  .privacy-content {
    padding: var(--space-xl);
  }
  
  .footer {
    padding: var(--space-3xl) var(--space-lg) var(--space-xl);
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 480px) {
  .logo-img {
    width: 38px;
    height: 38px;
  }
  
  .logo-text {
    font-size: 1.25rem;
  }
  
  .btn-large {
    padding: 0.875rem 1.5rem;
    font-size: 0.9375rem;
  }
  
  .feature-icon {
    width: 48px;
    height: 48px;
  }
  
  .hero {
    height: 60vh;
    min-height: 450px;
  }
  
  .hero-content {
    padding: 0 1rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-cta {
    padding: 1rem 2rem;
    font-size: 1rem;
  }
  
  .airplane {
    width: 30px;
    height: 30px;
  }
  
  .map-pin {
    width: 24px;
    height: 24px;
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .hero,
  .cta,
  .sidebar-card,
  .btn {
    display: none;
  }
  
  body {
    background: white;
  }
  
  .privacy-content {
    box-shadow: none;
    border: none;
  }
}

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