/* OpenAI-Inspired Design System */
:root {
  /* Colors - OpenAI Palette */
  --primary-color: #10a37f;
  --primary-hover: #0f8b6f;
  --secondary-color: #6e56cf;
  --background-primary: #ffffff;
  --background-secondary: #f8f9fa;
  --text-primary: #0d0e10;
  --text-secondary: #6f7780;
  --text-muted: #9ca0a5;
  --border-color: #e1e4e8;
  --border-light: #f0f2f5;
  
  /* Typography - OpenAI Style */
  --font-family: 'Söhne', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Shadows - Subtle OpenAI Style */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.12);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions & Animations */
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-bounce: 600ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Base Styles */
* {
  box-sizing: border-box;
}

/* Smooth scrolling for better UX */
html {
  scroll-behavior: smooth;
}

/* Page-specific styles for form pages */
.hero-header {
  background: linear-gradient(135deg, rgba(16, 163, 127, 0.05) 0%, rgba(110, 86, 207, 0.05) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  margin-bottom: var(--space-xl);
  border: 1px solid var(--border-light);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: var(--space-sm) var(--space-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  animation: fadeInScale 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: var(--space-lg);
  animation: slideInDown 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: var(--font-weight-normal);
  line-height: 1.5;
  animation: slideInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.status-cards {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInScale 1s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

.status-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-lg);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  transition: all var(--transition);
}

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

.status-pro {
  background: linear-gradient(135deg, rgba(16, 163, 127, 0.1), rgba(16, 163, 127, 0.05));
  border-color: rgba(16, 163, 127, 0.3);
  color: var(--primary-color);
}

.status-starter {
  background: linear-gradient(135deg, rgba(110, 86, 207, 0.1), rgba(110, 86, 207, 0.05));
  border-color: rgba(110, 86, 207, 0.3);
  color: var(--secondary-color);
}

.status-country {
  background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 193, 7, 0.05));
  border-color: rgba(255, 193, 7, 0.3);
  color: #f57c00;
}

.nav-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: slideInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
}

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: all var(--transition);
  border: 1px solid;
}

.btn-primary {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: white;
  text-decoration: none;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.8);
  border-color: var(--border-color);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
  text-decoration: none;
}

/* Form styling */
.form-card {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 0;
  box-shadow: var(--shadow-lg);
  animation: slideInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
  color: #1a202c;
}

.form-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
  color: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  text-align: center;
}

.form-title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.form-subtitle {
  margin: var(--space-sm) 0 0 0;
  font-size: 1rem;
  opacity: 0.9;
  font-weight: var(--font-weight-normal);
}

.form-body {
  padding: var(--space-2xl);
  color: #1a202c;
}

.form-group {
  margin-bottom: var(--space-xl);
}

.form-label {
  font-weight: var(--font-weight-semibold);
  color: #1a202c !important;
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.form-control {
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  font-size: 1rem;
  transition: all var(--transition);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  color: #1a202c !important;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(16, 163, 127, 0.1);
  background: rgba(255, 255, 255, 0.98);
  color: #1a202c !important;
}

.form-control::placeholder {
  color: #718096 !important;
  opacity: 0.8;
}

.form-text {
  color: #4a5568 !important;
  font-size: 0.875rem;
  margin-top: var(--space-xs);
}

.submit-btn {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
  border: none;
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-2xl);
  font-weight: var(--font-weight-semibold);
  color: white;
  font-size: 1.1rem;
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--primary-hover) 0%, #0d7a5f 100%);
}

/* Results section styling */
.results-section {
  animation: fadeInScale 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.result-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition);
}

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

.result-header {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #5a47b8 100%);
  color: white;
  padding: var(--space-lg) var(--space-xl);
  font-weight: var(--font-weight-semibold);
}

.result-body {
  padding: var(--space-xl);
}

/* Resume Section Micro-Animations */
@keyframes slideInUp {
  0% {
    opacity: 0;
    transform: translate3d(0, 30px, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes slideInDown {
  0% {
    opacity: 0;
    transform: translate3d(0, -30px, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInScale {
  0% {
    opacity: 0;
    transform: scale(0.95);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes progressFill {
  0% {
    width: 0%;
  }
  100% {
    width: var(--progress-width);
  }
}

@keyframes bounceIn {
  0%, 20%, 53%, 80%, 100% {
    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    transform: translate3d(0, 0, 0);
  }
  40%, 43% {
    animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);
    transform: translate3d(0, -10px, 0);
  }
  70% {
    animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);
    transform: translate3d(0, -5px, 0);
  }
  90% {
    transform: translate3d(0, -2px, 0);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(16, 163, 127, 0.4);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(16, 163, 127, 0);
  }
}

/* Animation Classes */
.animate-slide-up {
  animation: slideInUp var(--transition-slow) ease-out forwards;
}

.animate-slide-down {
  animation: slideInDown var(--transition-slow) ease-out forwards;
}

.animate-fade-scale {
  animation: fadeInScale var(--transition-slow) ease-out forwards;
}

.animate-bounce {
  animation: bounceIn var(--transition-bounce) ease-out forwards;
}

.animate-pulse {
  animation: pulseGlow 2s infinite;
}

/* Staggered Animation Delays */
.animation-delay-100 { animation-delay: 100ms; }
.animation-delay-200 { animation-delay: 200ms; }
.animation-delay-300 { animation-delay: 300ms; }
.animation-delay-400 { animation-delay: 400ms; }
.animation-delay-500 { animation-delay: 500ms; }

/* Resume Results Container */
.resume-results {
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-slow);
}

.resume-results.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Enhanced Card Animations */
.card {
  transition: all var(--transition);
  transform: translateZ(0); /* Enable hardware acceleration */
}

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

/* Progress Bar Animation */
.progress-bar {
  transition: width var(--transition-slow) ease-out;
  animation: progressFill var(--transition-slow) ease-out forwards;
}

/* Badge Animations */
.badge {
  transition: all var(--transition);
  transform: translateZ(0);
}

.badge:hover {
  transform: scale(1.05);
}

/* Button Loading States */
.btn-loading {
  position: relative;
  color: transparent !important;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid #ffffff;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Intersection Observer Classes for Performance */
.fade-in-section {
  opacity: 0;
  transform: translateY(20px);
  visibility: hidden;
  transition: opacity var(--transition-slow), transform var(--transition-slow), visibility var(--transition-slow);
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

/* Enhanced Form Animations */
.form-control:focus {
  transition: all var(--transition);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(16, 163, 127, 0.15);
}

/* Smooth Icon Transitions */
.fas, .far, .fab {
  transition: all var(--transition);
}

.btn:hover .fas,
.btn:hover .far,
.btn:hover .fab {
  transform: scale(1.1);
}

/* Typography Animations */
.card-title, .badge, .btn {
  transition: all var(--transition);
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--background-primary);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.01em;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Navigation - Clean OpenAI Style */
.navbar {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-md) 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-sm);
}

.navbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  font-weight: var(--font-weight-semibold);
  font-size: 1.25rem;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.navbar-brand:hover {
  color: var(--primary-color);
  text-decoration: none;
}

/* Hero Section - OpenAI Style */
.hero {
  padding: 8rem 0 4rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Country Selector - Dropdown Style */
.country-selector {
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.selector-label {
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  display: block;
}

.country-dropdown {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-family);
  background: white;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition);
}

.country-dropdown:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(16, 163, 127, 0.1);
}

.country-dropdown:hover {
  border-color: var(--primary-color);
}

.continue-button {
  width: 100%;
  background: var(--primary-color);
  color: white;
  border: none;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  font-family: var(--font-family);
  cursor: pointer;
  transition: all var(--transition);
  margin-top: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.continue-button:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.continue-button:disabled {
  background: var(--text-muted);
  cursor: not-allowed;
  transform: none;
}

/* Beta Badge */
.beta-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-lg);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* Trust Indicators */
.trust-indicators {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.trust-icon {
  width: 20px;
  height: 20px;
  opacity: 0.7;
}

/* Features Section */
.features {
  padding: 4rem 0;
  background: var(--background-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.feature-card {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: all var(--transition);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Pricing Section */
.pricing {
  padding: 4rem 0;
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
  margin-top: var(--space-2xl);
}

.pricing-card {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  transition: all var(--transition);
}

.pricing-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.pricing-card.recommended {
  border-color: var(--primary-color);
  border-width: 2px;
}

.pricing-card.recommended::before {
  content: 'Recommended';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
}

.price {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.price-button {
  width: 100%;
  background: var(--primary-color);
  color: white;
  border: none;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition);
  margin-top: var(--space-lg);
}

.price-button:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: white;
  padding: 2rem 0;
  text-align: center;
}

.footer-content {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-xl);
}

.footer-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-link:hover {
  color: white;
  text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .navbar {
    padding: var(--space-sm) 0;
  }
  
  .hero {
    padding: 6rem 0 3rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .trust-indicators {
    gap: var(--space-lg);
  }
  
  .trust-item {
    font-size: 0.75rem;
  }
}

/* Performance Optimizations */
.hero-title,
.section-title {
  will-change: transform;
}

.feature-card,
.pricing-card {
  will-change: transform, box-shadow;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Focus States */
.country-dropdown:focus,
.continue-button:focus,
.price-button:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }