/* ========================================
   Modal Animations
   ======================================== */
@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutToRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

/* ========================================
   CSS Variables - Color Palette & Fonts
   ======================================== */
:root {
  /* Primary Colors - Soft & Family-Friendly */
  --primary-color: #2563EB;        /* Soft indigo for primary actions */
  --primary-light: #6366F1;        /* Lighter indigo */
  --primary-dark: #3730A3;         /* Darker indigo */
  
  /* Secondary Colors */
  --secondary-color: #1E40AF;       /* Soft pink for accents */
  --secondary-light: #F472B6;      /* Light pink */
  
  /* Neutral Colors */
  --text-primary: #1F2937;         /* Dark gray for main text */
  --text-secondary: #6B7280;       /* Medium gray for secondary text */
  --text-light: #6B7280;           /* Light gray for subtle text */
  
  /* Background Colors */
  --bg-primary: #FFFFFF;           /* Pure white */
  --bg-secondary: #F9FAFB;         /* Very light gray */
  --bg-accent: #F3F4F6;            /* Light gray for sections */
  
  /* Success & Status Colors */
  --success-color: #10B981;        /* Soft green */
  --warning-color: #F59E0B;        /* Soft orange */
  --error-color: #EF4444;          /* Soft red */
  
  /* Gradients */
      --gradient-primary: linear-gradient(135deg, #2563EB 0%, #3B82F6 100%);
  --gradient-secondary: linear-gradient(135deg, #EC4899 0%, #F472B6 100%);
  --gradient-hero: linear-gradient(135deg, #EDE9FE 0%, #FDF2F8 100%);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-size-xs: 0.75rem;         /* 12px */
  --font-size-sm: 0.875rem;        /* 14px */
  --font-size-base: 1rem;          /* 16px */
  --font-size-lg: 1.125rem;        /* 18px */
  --font-size-xl: 1.25rem;         /* 20px */
  --font-size-2xl: 1.5rem;         /* 24px */
  --font-size-3xl: 1.875rem;       /* 30px */
  --font-size-4xl: 2.25rem;        /* 36px */
  --font-size-5xl: 3rem;           /* 48px */
  
  /* Spacing */
  --spacing-xs: 0.25rem;            /* 4px */
  --spacing-sm: 0.5rem;             /* 8px */
  --spacing-md: 1rem;               /* 16px */
  --spacing-lg: 1.5rem;             /* 24px */
  --spacing-xl: 2rem;               /* 32px */
  --spacing-2xl: 3rem;              /* 48px */
  --spacing-3xl: 4rem;              /* 64px */
  
  /* Border Radius */
  --radius-sm: 0.375rem;            /* 6px */
  --radius-md: 0.5rem;              /* 8px */
  --radius-lg: 0.75rem;             /* 12px */
  --radius-xl: 1rem;                /* 16px */
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-base: all 0.2s ease-in-out;
  --transition-slow: all 0.3s ease-in-out;
}

/* ========================================
   Reset & Base Styles
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover {
  color: var(--primary-dark);
}

/* ========================================
   Utility Classes
   ======================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.highlight {
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-3xl);
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   Button Styles
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 500;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-base);
  text-decoration: none;
  text-align: center;
  line-height: 1;
}

.btn:focus {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--bg-primary);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: white;
}

.btn-large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--bg-accent);
  z-index: 1000;
  transition: var(--transition-base);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-md);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.brand-icon {
  color: var(--primary-color);
  font-size: var(--font-size-2xl);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
  justify-content: space-between;
  width: 100%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition-base);
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-toggle {
  display: none;
  font-size: var(--font-size-xl);
  cursor: pointer;
  color: var(--text-primary);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  background: var(--gradient-hero);
  padding: 120px 0 var(--spacing-3xl);
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-3xl);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-2xl);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary-color);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-illustration {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 300px;
  height: 300px;
  background: var(--gradient-primary);
  border-radius: 50%;
  box-shadow: var(--shadow-xl);
}

.hero-icon {
  font-size: 120px;
  color: white;
}

.floating-elements {
  position: absolute;
  width: 100%;
  height: 100%;
}

.element {
  position: absolute;
  width: 60px;
  height: 60px;
  background: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: var(--font-size-xl);
  color: var(--primary-color);
  box-shadow: var(--shadow-lg);
  animation: float 3s ease-in-out infinite;
}

.element-1 {
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.element-2 {
  top: 60%;
  right: -10%;
  animation-delay: 1s;
}

.element-3 {
  bottom: 10%;
  left: 20%;
  animation-delay: 2s;
}

.element-4 {
  top: 20%;
  left: -10%;
  animation-delay: 1.5s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

/* ========================================
   How It Works Section
   ======================================== */
.how-it-works {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-primary);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
}

.step {
  text-align: center;
  padding: var(--spacing-2xl);
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  transition: var(--transition-base);
  position: relative;
}

.step:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.step-icon {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  margin-bottom: var(--spacing-lg);
  color: white;
  font-size: var(--font-size-2xl);
}

.step-number {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 30px;
  height: 30px;
  background: var(--secondary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: var(--font-size-sm);
  font-weight: 700;
}

.step-title {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.step-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========================================
   Features Section
   ======================================== */
.features {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
}

.feature {
  background: var(--bg-primary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  text-align: center;
}

.feature:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto var(--spacing-lg);
  color: white;
  font-size: var(--font-size-2xl);
}

.feature-title {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-primary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.contact-info {
  padding-right: var(--spacing-lg);
}

.contact-details {
  margin-top: var(--spacing-2xl);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
}

.contact-item i {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  font-size: var(--font-size-lg);
}

.contact-item h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.contact-item p {
  color: var(--text-secondary);
  margin: 0;
}

.contact-form {
  background: var(--bg-secondary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--bg-accent);
  border-radius: var(--radius-lg);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  transition: var(--transition-base);
  background: var(--bg-primary);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
  padding: var(--spacing-3xl) 0;
  background: var(--gradient-primary);
  text-align: center;
  color: white;
}

.cta-title {
  font-size: var(--font-size-3xl);
  color: white;
  margin-bottom: var(--spacing-lg);
}

.cta-subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
}

.cta .btn-outline {
  border-color: white;
  color: white;
}

.cta .btn-outline:hover {
  background: white;
  color: var(--primary-color);
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--text-primary);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-description {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  transition: var(--transition-base);
}

.social-link:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
}

.footer-title {
  color: white;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.footer-list {
  list-style: none;
}

.footer-list li {
  margin-bottom: var(--spacing-sm);
}

.footer-list a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-base);
}

.footer-list a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet Styles */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-2xl);
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Demo Video Modal Styles */
.demo-modal {
    max-width: 900px;
    width: 90%;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    background: #000;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 8px;
}

@media (max-width: 768px) {
    .demo-modal {
        width: 95%;
        margin: 20px auto;
    }
    
    .video-container {
        padding-bottom: 60%; /* Slightly different ratio for mobile */
    }
}

/* Desktop Styles - Ensure language selector is visible */
@media (min-width: 769px) {
  .language-selector {
    display: inline-block !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative !important;
  }
  
  .nav-menu .language-selector {
    margin-left: auto;
  }
}

/* Mobile Styles */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: start;
    padding: var(--spacing-2xl);
    transition: var(--transition-slow);
    box-shadow: var(--shadow-lg);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .hero {
    padding: 100px 0 var(--spacing-2xl);
    min-height: auto;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .hero-illustration {
    width: 250px;
    height: 250px;
  }
  
  .hero-icon {
    font-size: 80px;
  }
  
  .steps {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .container {
    padding: 0 var(--spacing-lg);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
  
  .cta-title {
    font-size: var(--font-size-2xl);
  }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
  }
  
  .hero-illustration {
    width: 200px;
    height: 200px;
  }
  
  .hero-icon {
    font-size: 60px;
  }
  
  .element {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-base);
  }
  
  .step-icon {
    width: 60px;
    height: 60px;
    font-size: var(--font-size-lg);
  }
  
  .feature-icon {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-lg);
  }
} 