/* Modern UI CSS - Uber-inspired Design */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* CSS Variables for Design System */
:root {
  /* Colors */
  --primary-black: #000000;
  --primary-white: #FFFFFF;
  --accent-green: #06C167;
  --accent-blue: #276EF1;
  --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;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

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

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--gray-900);
  background-color: var(--primary-white);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }
.text-5xl { font-size: var(--font-size-5xl); }
.text-6xl { font-size: var(--font-size-6xl); }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-black { font-weight: 900; }

/* Modern Button Styles */
.btn-modern {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3) var(--spacing-6);
  font-family: var(--font-family);
  font-weight: 600;
  font-size: var(--font-size-base);
  line-height: 1.5;
  border: none;
  border-radius: var(--radius-lg);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-modern:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.5);
}

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

.btn-primary:hover {
  background-color: var(--gray-800);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--primary-white);
  color: var(--primary-black);
  border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
  background-color: var(--gray-50);
  border-color: var(--gray-300);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

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

.btn-accent:hover {
  background-color: #059142;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-xl);
}

.btn-xl {
  padding: var(--spacing-5) var(--spacing-10);
  font-size: var(--font-size-xl);
  border-radius: var(--radius-xl);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary-white) 0%, var(--gray-50) 100%);
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
  align-items: center;
}

.hero-text h1 {
  font-size: var(--font-size-6xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-6);
  color: var(--primary-black);
}

.hero-text p {
  font-size: var(--font-size-xl);
  color: var(--gray-600);
  margin-bottom: var(--spacing-8);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
}

/* Features Section */
.features-section {
  padding: var(--spacing-24) 0;
  background-color: var(--primary-white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

.feature-card {
  text-align: center;
  padding: var(--spacing-8);
  border-radius: var(--radius-xl);
  background-color: var(--primary-white);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gray-300);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-6);
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  color: var(--primary-white);
}

.feature-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-4);
  color: var(--primary-black);
}

.feature-card p {
  color: var(--gray-600);
  line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
  padding: var(--spacing-24) 0;
  background-color: var(--gray-50);
}

.steps-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-16);
}

.section-title h2 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--primary-black);
  margin-bottom: var(--spacing-4);
}

.section-title p {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-8);
}

.step-card {
  text-align: center;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background-color: var(--accent-green);
  color: var(--primary-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0 auto var(--spacing-6);
}

.step-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-3);
  color: var(--primary-black);
}

.step-card p {
  color: var(--gray-600);
  line-height: 1.6;
}

/* Modern Navigation */
.modern-navbar {
  background-color: var(--primary-white);
  border-bottom: 1px solid var(--gray-200);
  padding: var(--spacing-4) 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95);
}

.navbar-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand img {
  height: 40px;
  width: auto;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

/* Enhanced Mobile Responsive Design */

/* Extra Small Devices (phones, 320px and up) */
@media (max-width: 480px) {
    .hero-section {
        padding: var(--spacing-8) 0 var(--spacing-6);
        text-align: center;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: var(--spacing-4);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-6);
    }
    
    .hero-actions {
        flex-direction: column;
        gap: var(--spacing-3);
        align-items: stretch;
    }
    
    .btn-hero {
        width: 100%;
        justify-content: center;
    }
    
    .app-badges {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-3);
        margin-top: var(--spacing-6);
    }
    
    .app-badge {
        width: 200px;
    }
    
    /* Services Section */
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .service-card {
        padding: var(--spacing-4);
        text-align: center;
    }
    
    .service-icon {
        width: 48px;
        height: 48px;
        margin: 0 auto var(--spacing-3);
    }
    
    /* How It Works */
    .steps-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .step-card {
        padding: var(--spacing-4);
        text-align: center;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-lg);
        margin: 0 auto var(--spacing-3);
    }
    
    /* Navigation */
    .nav-menu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--primary-white);
        border-top: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
        z-index: 999;
        padding: var(--spacing-4);
    }
    
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .nav-menu a {
        padding: var(--spacing-3);
        border-bottom: 1px solid var(--gray-100);
    }
    
    .mobile-menu-toggle {
        display: block;
        background: none;
        border: none;
        font-size: var(--font-size-xl);
        cursor: pointer;
        color: var(--gray-700);
    }
    
    .nav-actions {
        margin-top: var(--spacing-4);
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    /* Footer */
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-6);
    }
    
    .footer-section {
        margin-bottom: var(--spacing-4);
    }
    
    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-4);
    }
}

/* Small Devices (landscape phones, 576px and up) */
@media (min-width: 481px) and (max-width: 767px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .app-badges {
        flex-direction: row;
        justify-content: center;
    }
}

/* Medium Devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991px) {
    .hero-section {
        padding: var(--spacing-12) 0 var(--spacing-8);
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .mobile-menu-toggle {
        display: none;
    }
}

/* Large Devices (desktops, 992px and up) */
@media (min-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .mobile-menu-toggle {
        display: none;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn-modern {
        min-height: 48px;
        padding: var(--spacing-3) var(--spacing-5);
    }
    
    .nav-menu a {
        min-height: 48px;
        display: flex;
        align-items: center;
    }
    
    .service-card,
    .step-card {
        padding: var(--spacing-5);
    }
    
    /* Remove hover effects on touch devices */
    .btn-modern:hover,
    .service-card:hover,
    .step-card:hover {
        transform: none;
        box-shadow: var(--shadow-md);
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-background::before {
        background-size: 100px 100px;
    }
}

/* Landscape Orientation for Mobile */
@media (max-width: 767px) and (orientation: landscape) {
    .hero-section {
        padding: var(--spacing-6) 0 var(--spacing-4);
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: var(--spacing-3);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-4);
    }
    
    .hero-actions {
        flex-direction: row;
        justify-content: center;
        gap: var(--spacing-4);
    }
    
    .app-badges {
        margin-top: var(--spacing-4);
    }
}

/* Print Styles */
@media print {
    .nav-header,
    .hero-actions,
    .app-badges,
    .cta-section,
    .footer {
        display: none;
    }
    
    .hero-section,
    .services-section,
    .how-it-works-section {
        page-break-inside: avoid;
        margin-bottom: var(--spacing-6);
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: #000;
        background: #fff;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-element {
        animation: none;
    }
    
    .hero-background::before {
        animation: none;
    }
}

/* Dark Mode Media Query */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-black: #ffffff;
        --primary-white: #000000;
        --gray-50: #1f2937;
        --gray-100: #374151;
        --gray-200: #4b5563;
        --gray-300: #6b7280;
        --gray-400: #9ca3af;
        --gray-500: #d1d5db;
        --gray-600: #e5e7eb;
        --gray-700: #f3f4f6;
        --gray-800: #f9fafb;
        --gray-900: #ffffff;
    }
}

/* Container Queries (for modern browsers) */
@container (max-width: 480px) {
    .service-card {
        padding: var(--spacing-3);
    }
    
    .step-card {
        padding: var(--spacing-3);
    }
}

/* Focus Visible for Better Accessibility */
.btn-modern:focus-visible,
.nav-menu a:focus-visible {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}

/* Safe Area Insets for Notched Devices */
@supports (padding: max(0px)) {
    .nav-header {
        padding-left: max(var(--spacing-6), env(safe-area-inset-left));
        padding-right: max(var(--spacing-6), env(safe-area-inset-right));
    }
    
    .hero-section,
    .services-section,
    .how-it-works-section,
    .cta-section {
        padding-left: max(var(--spacing-6), env(safe-area-inset-left));
        padding-right: max(var(--spacing-6), env(safe-area-inset-right));
    }
    
    .footer {
        padding-left: max(var(--spacing-6), env(safe-area-inset-left));
        padding-right: max(var(--spacing-6), env(safe-area-inset-right));
        padding-bottom: max(var(--spacing-6), env(safe-area-inset-bottom));
    }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Utility Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }
.mb-12 { margin-bottom: var(--spacing-12); }

.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }
.mt-12 { margin-top: var(--spacing-12); }

.py-24 { padding-top: var(--spacing-24); padding-bottom: var(--spacing-24); }
.px-6 { padding-left: var(--spacing-6); padding-right: var(--spacing-6); }