/* Base styles */
:root {
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-primary-light: #60a5fa;
    --color-secondary: #f1f5f9;
    --color-secondary-dark: #e2e8f0;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-text-lighter: #94a3b8;
    --color-white: #ffffff;
    --color-black: #0f172a;
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-background: #ffffff;
    --color-card: #ffffff;
    --color-border: #e2e8f0;
    --color-gradient-start: #1e40af;
    --color-gradient-end: #3b82f6;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
    --border-radius-sm: 0.125rem;
    --border-radius: 0.25rem;
    --border-radius-md: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 0.75rem;
    --border-radius-2xl: 1rem;
    --border-radius-full: 9999px;
    --transition: all 0.2s ease-in-out;
  }
  
  .dark {
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-primary-light: #60a5fa;
    --color-secondary: #1e293b;
    --color-secondary-dark: #0f172a;
    --color-text: #f8fafc;
    --color-text-light: #cbd5e1;
    --color-text-lighter: #94a3b8;
    --color-white: #ffffff;
    --color-black: #0f172a;
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-background: #0f172a;
    --color-card: #1e293b;
    --color-border: #334155;
    --color-gradient-start: #1e40af;
    --color-gradient-end: #3b82f6;
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    font-size: 16px;
    scroll-behavior: smooth;
  }
  
  body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-background);
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  
  img {
    max-width: 100%;
    height: auto;
  }
  
  a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
  }
  
  a:hover {
    color: var(--color-primary-dark);
  }
  
  ul, ol {
    list-style: none;
  }
  
  button {
    cursor: pointer;
    font-family: inherit;
  }
  
  /* Container */
  .container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
  }
  
  /* Typography */
  h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
  }
  
  .section-title {
    font-size: 2rem;
    margin-bottom: 1rem;
  }
  
  .section-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 800px;
    margin: 0 auto;
  }
  
  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: none;
    cursor: pointer;
  }
  
  .btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.125rem;
  }
  
  .btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
  }
  
  .btn-primary:hover {
    background-color: var(--color-primary-dark);
  }
  
  .btn-outline {
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
  }
  
  .btn-outline:hover {
    background-color: var(--color-secondary);
  }
  
  .btn-outline-light {
    background-color: transparent;
    border: 1px solid var(--color-white);
    color: var(--color-white);
  }
  
  .btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
  }
  
  .btn-white {
    background-color: var(--color-white);
    color: var(--color-primary);
  }
  
  .btn-white:hover {
    background-color: rgba(255, 255, 255, 0.9);
  }
  
  .btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--border-radius-full);
    background-color: transparent;
    border: none;
    color: var(--color-text);
    transition: var(--transition);
  }
  
  .btn-icon:hover {
    background-color: var(--color-secondary);
  }
  
  .w-full {
    width: 100%;
  }
  
  /* Icons */
  .icon-xs {
    width: 1rem;
    height: 1rem;
  }
  
  .icon-sm {
    width: 1.25rem;
    height: 1.25rem;
    margin-left: 0.25rem;
  }
  
  .text-blue-400 {
    color: var(--color-primary-light);
  }
  
  /* Header */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    transition: var(--transition);
    height: 4rem;
  }
  
  .header.scrolled {
    background-color: var(--color-background);
    box-shadow: var(--shadow);
    backdrop-filter: blur(8px);
  }
  
  .header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
  }
  
  .logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.25rem;
  }
  
  .logo-text {
    background: linear-gradient(to right, var(--color-primary), var(--color-primary-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  
  .desktop-nav {
    display: none;
  }
  
  .desktop-actions {
    display: none;
  }
  
  .mobile-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  
  .nav-link {
    padding: 0.5rem;
    color: var(--color-text);
    font-weight: 500;
    transition: var(--transition);
  }
  
  .nav-link:hover {
    color: var(--color-primary);
  }
  
  .mobile-menu {
    display: none;
    background-color: var(--color-background);
    border-top: 1px solid var(--color-border);
  }
  
  .mobile-menu.active {
    display: block;
  }
  
  .mobile-nav {
    display: flex;
    flex-direction: column;
    padding: 1rem 0;
  }
  
  .mobile-nav .nav-link {
    padding: 0.75rem 0;
  }
  
  .mobile-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
  }
  
  /* Hero Section */
  .hero-section {
    position: relative;
    padding: 8rem 0 6rem;
    background: linear-gradient(to bottom, var(--color-black), #1e3a8a);
    color: var(--color-white);
    overflow: hidden;
  }
  
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
  }
  
  .hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
  }
  
  .hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 32rem;
  }
  
  .hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
  }
  
  .hero-features {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
  }
  
  .hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  
  .separator {
    color: rgba(255, 255, 255, 0.5);
  }
  
  .hero-image-container {
    position: relative;
  }
  
  .hero-image-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .hero-image {
    width: 100%;
    height: auto;
    display: block;
  }
  
  .hero-badge {
    position: absolute;
    bottom: -1.5rem;
    left: -1.5rem;
    background-color: var(--color-primary);
    padding: 1rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
  }
  
  .badge-label {
    font-size: 0.875rem;
    font-weight: 500;
  }
  
  .badge-value {
    font-size: 1.125rem;
    font-weight: 700;
  }
  
  .hero-gradient {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 5rem;
    background: linear-gradient(to top, var(--color-background), transparent);
  }
  
  /* Section */
  .section {
    padding: 5rem 0;
  }
  
  .section-header {
    text-align: center;
    margin-bottom: 4rem;
  }
  
  .bg-white {
    background-color: var(--color-background);
  }
  
  .bg-light {
    background-color: var(--color-secondary);
  }
  
  .bg-dark {
    background-color: var(--color-black);
    color: var(--color-white);
  }
  
  .text-light {
    color: rgba(255, 255, 255, 0.8);
  }
  
  /* Cards */
  .card {
    background-color: var(--color-card);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: var(--transition);
  }
  
  .card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
  }
  
  .card-header {
    padding: 1.5rem 1.5rem 0.5rem;
  }
  
  .card-icon {
    width: 2.5rem;
    height: 2.5rem;
    margin-bottom: 0.5rem;
  }
  
  .card-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
  }
  
  .card-subtitle {
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-bottom: 1rem;
  }
  
  .card-content {
    padding: 0.5rem 1.5rem 1.5rem;
  }
  
  .card-footer-text {
    margin-top: 1rem;
    color: var(--color-text-light);
  }
  
  .card-grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .card-grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
  }
  
  /* Features */
  .features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .features-column {
    display: flex;
    flex-direction: column;
    gap: 3rem;
  }
  
  .feature-item {
    display: flex;
    gap: 1rem;
  }
  
  .feature-icon-wrapper {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    border-radius: var(--border-radius-full);
    background-color: var(--color-primary-light);
    background-color: rgba(59, 130, 246, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .feature-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-primary);
  }
  
  .feature-content {
    flex: 1;
  }
  
  .feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
  }
  
  .feature-description {
    color: var(--color-text-light);
  }
  
  /* How It Works */
  .steps-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 80rem;
    margin: 0 auto 4rem;
  }
  
  .step-card {
    position: relative;
    background-color: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    height: 100%;
  }
  
  .step-number {
    width: 3rem;
    height: 3rem;
    background-color: var(--color-primary);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
  }
  
  .step-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
  }
  
  .step-description {
    color: rgba(255, 255, 255, 0.8);
  }
  
  .step-arrow {
    display: none;
  }
  
  .advantage-card {
    background: linear-gradient(to right, #2563eb, #4f46e5);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    color: var(--color-white);
  }
  
  .advantage-title {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 1.5rem;
  }
  
  .advantages-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
  }
  
  .advantage-check {
    width: 2rem;
    height: 2rem;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
  }
  
  .advantage-subtitle {
    font-size: 1rem;
    margin-bottom: 0.25rem;
  }
  
  .advantage-description {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
  }
  
  /* Check List */
  .check-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
  }
  
  .check-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .check-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-success);
    flex-shrink: 0;
    margin-top: 0.125rem;
  }
  
  /* Testimonials */
  .testimonial-carousel {
    position: relative;
    max-width: 64rem;
    margin: 0 auto;
  }
  
  .testimonial-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    z-index: 10;
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
  }
  
  .testimonial-arrow {
    width: 3rem;
    height: 3rem;
    border-radius: var(--border-radius-full);
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: var(--transition);
  }
  
  .testimonial-arrow:hover {
    background-color: var(--color-secondary-dark);
  }
  
  .testimonial-wrapper {
    overflow: hidden;
  }
  
  .testimonial-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
  }
  
  .testimonial-slide {
    flex: 0 0 100%;
  }
  
  .testimonial-card {
    padding: 2rem;
    text-align: center;
  }
  
  .testimonial-quote {
    width: 3rem;
    height: 3rem;
    color: var(--color-primary);
    margin: 0 auto 1.5rem;
  }
  
  .testimonial-text {
    font-size: 1.25rem;
    margin-bottom: 2rem;
  }
  
  .testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .testimonial-avatar {
    width: 3.75rem;
    height: 3.75rem;
    border-radius: var(--border-radius-full);
    margin-right: 1rem;
  }
  
  .testimonial-name {
    font-weight: 600;
  }
  
  .testimonial-title {
    font-size: 0.875rem;
    color: var(--color-text-light);
  }
  
  .testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
  }
  
  .testimonial-dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: var(--border-radius-full);
    background-color: var(--color-secondary-dark);
    border: none;
    cursor: pointer;
    transition: var(--transition);
  }
  
  .testimonial-dot.active {
    background-color: var(--color-primary);
  }
  
  /* Pricing */
  .pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 80rem;
    margin: 0 auto;
  }
  
  .pricing-card {
    position: relative;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition);
  }
  
  .pricing-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
  }
  
  .pricing-card.featured {
    border-color: var(--color-primary);
  }
  
  .pricing-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-bottom-left-radius: var(--border-radius-lg);
  }
  
  .pricing-header {
    padding: 2rem 2rem 1rem;
  }
  
  .pricing-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
  }
  
  .pricing-subtitle {
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-bottom: 1rem;
  }
  
  .pricing-price {
    margin-top: 1rem;
  }
  
  .price-amount {
    font-size: 2.5rem;
    font-weight: 700;
  }
  
  .price-period {
    color: var(--color-text-light);
  }
  
  .pricing-content {
    padding: 1rem 2rem;
  }
  
  .pricing-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .pricing-footer {
    padding: 1.5rem 2rem 2rem;
  }
  
  .pricing-contact {
    text-align: center;
    margin-top: 3rem;
  }
  
  .pricing-contact p {
    color: var(--color-text-light);
    margin-bottom: 1rem;
  }
  
  /* FAQ */
  .faq-container {
    max-width: 48rem;
    margin: 0 auto;
  }
  
  .faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    margin-bottom: 1rem;
    overflow: hidden;
  }
  
  .faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    background-color: var(--color-card);
    border: none;
    text-align: left;
    font-weight: 500;
    font-size: 1rem;
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
  }
  
  .faq-question:hover {
    background-color: var(--color-secondary);
  }
  
  .faq-icon {
    width: 1.25rem;
    height: 1.25rem;
    transition: transform 0.3s ease;
  }
  
  .faq-item.open .faq-icon {
    transform: rotate(180deg);
  }
  
  .faq-answer {
    padding: 0 1.25rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
  }
  
  .faq-item.open .faq-answer {
    padding: 0 1.25rem 1.25rem;
    max-height: 1000px;
  }
  
  .faq-answer p {
    color: var(--color-text-light);
  }
  
  .faq-contact {
    text-align: center;
    margin-top: 3rem;
  }
  
  .faq-contact p {
    color: var(--color-text-light);
    margin-bottom: 1rem;
  }
  
  /* CTA Section */
  .cta-section {
    background: linear-gradient(to bottom right, #2563eb, #4f46e5);
    color: var(--color-white);
    padding: 5rem 0;
    text-align: center;
  }
  
  .cta-content {
    max-width: 48rem;
    margin: 0 auto;
  }
  
  .cta-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
  }
  
  .cta-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
  }
  
  .cta-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 1rem;
  }
  
  /* Footer */
  .footer {
    background-color: var(--color-black);
    color: var(--color-text-lighter);
    padding: 3rem 0;
  }
  
  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-title {
    color: var(--color-white);
    font-size: 1.125rem;
    margin-bottom: 1rem;
  }
  
  .footer-description {
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
  }
  
  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .footer-links a {
    color: var(--color-text-lighter);
    font-size: 0.875rem;
    transition: var(--transition);
  }
  
  .footer-links a:hover {
    color: var(--color-white);
  }
  
  .footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .copyright {
    font-size: 0.875rem;
  }
  
  .social-links {
    display: flex;
    gap: 1rem;
  }
  
  .social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--border-radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-lighter);
    transition: var(--transition);
  }
  
  .social-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
  }
  
  .social-icon {
    width: 1.5rem;
    height: 1.5rem;
  }
  
  /* Media Queries */
  @media (min-width: 640px) {
    .hero-buttons {
      flex-direction: row;
    }
    
    .advantages-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (min-width: 768px) {
    .section-title {
      font-size: 2.5rem;
    }
    
    .hero-title {
      font-size: 3.5rem;
    }
    
    .card-grid-3 {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-container {
      grid-template-columns: repeat(3, 1fr);
    }
    
    .step-arrow {
      display: block;
      position: absolute;
      top: 50%;
      right: -1.5rem;
      transform: translateY(-50%);
      color: var(--color-primary);
      z-index: 10;
    }
    
    .pricing-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
      flex-direction: row;
      justify-content: space-between;
    }
  }
  
  @media (min-width: 1024px) {
    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 1.5rem;
    }
    
    .desktop-actions {
      display: flex;
      align-items: center;
      gap: 1rem;
    }
    
    .mobile-actions {
      display: none;
    }
    
    .hero-grid {
      grid-template-columns: 1fr 1fr;
    }
    
    .card-grid-3 {
      grid-template-columns: repeat(3, 1fr);
    }
    
    .card-grid-2 {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }
  
  @media (min-width: 1280px) {
    .hero-title {
      font-size: 4rem;
    }
  }