:root {
    --primary-color: rgb(23, 23, 23);
    --text-color: rgb(10, 10, 10);
    --text-secondary: rgb(107, 114, 126);
    --background-white: rgb(255, 255, 255);
    --background-light: rgb(248, 250, 252);
    --border-color: rgb(226, 232, 240);
    --accent-blue: rgb(59, 130, 246);
    --accent-purple: rgb(139, 92, 246);
    --accent-gradient: linear-gradient(135deg, rgb(59, 130, 246), rgb(139, 92, 246));
    --header-bg: rgba(255, 255, 255, 0.6);
    --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);
}

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

body {
    font-family: 'Inter', 'Inter Fallback', system-ui, sans-serif;
    font-size: 16px;
    line-height: 24px;
    color: var(--text-color);
    background-color: var(--background-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.header-nav {
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 65px;
}

.navbar {
    padding: 0;
    height: 65px;
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--accent-gradient);
    border-radius: 8px;
    position: relative;
}

.logo-icon::after {
    content: '⚛️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 16px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color);
}

.nav-link {
    color: var(--text-color);
    font-weight: 500;
    padding: 8px 16px;
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--accent-blue);
}

.hero-section {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, rgb(248, 250, 252) 0%, rgb(255, 255, 255) 100%);
}

.hero-intro {
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 48px;
}

.intro-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 16px;
}

.intro-text {
    font-size: 18px;
    line-height: 28px;
    color: var(--text-secondary);
    margin: 0;
}

.hero-title {
    font-size: 36px;
    font-weight: 700;
    line-height: 40px;
    color: var(--text-color);
    margin-bottom: 16px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 28px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    background-color: var(--primary-color);
    color: var(--background-white);
    padding: 16px 24px;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 48px;
}

.hero-cta:hover {
    background-color: rgb(0, 0, 0);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.social-proof {
    margin-top: 48px;
}

.proof-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.media-logos {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.media-logo {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
    opacity: 0.7;
}

.powered-by {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.demo-section {
    padding: 80px 0;
    background-color: var(--background-white);
}

.demo-container {
    max-width: 900px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, rgb(59, 130, 246), rgb(139, 92, 246), rgb(236, 72, 153));
    padding: 4px;
}

.demo-image {
    background-color: var(--background-white);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

.demo-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.features-section {
    padding: 80px 0;
    background-color: var(--background-light);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.feature-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 24px;
}

.feature-description {
    font-size: 16px;
    line-height: 28px;
    color: var(--text-secondary);
}

.comparison-chart {
    background-color: var(--background-white);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-md);
}

.chart-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 24px;
}

.chart-item {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.method-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    width: 120px;
    flex-shrink: 0;
}

.progress-bar {
    height: 8px;
    border-radius: 4px;
    margin-left: 16px;
    flex: 1;
}

.progress-bar.traditional {
    background: linear-gradient(90deg, rgb(239, 68, 68) 0%, rgb(239, 68, 68) 90%);
    width: 90%;
}

.progress-bar.manual {
    background: linear-gradient(90deg, rgb(245, 158, 11) 0%, rgb(245, 158, 11) 60%);
    width: 60%;
}

.progress-bar.quantumrift {
    background: linear-gradient(90deg, rgb(34, 197, 94) 0%, rgb(34, 197, 94) 20%);
    width: 20%;
}

.chart-note {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 16px;
    margin-bottom: 0;
}

.why-section {
    padding: 80px 0;
    background-color: var(--background-white);
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 16px;
}

.section-intro {
    font-size: 16px;
    line-height: 28px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.feature-list {
    margin-bottom: 32px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 24px;
}

.feature-number {
    background-color: var(--background-light);
    color: var(--text-color);
    font-size: 14px;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 8px;
    margin-right: 16px;
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.section-cta {
    background: var(--accent-gradient);
    color: var(--background-white);
    padding: 16px 24px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.section-cta:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.feature-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 300px;
}

.visual-elements {
    position: relative;
    width: 200px;
    height: 200px;
}

.element {
    position: absolute;
    border-radius: 16px;
    opacity: 0.8;
}

.element-1 {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgb(236, 72, 153), rgb(219, 39, 119));
    top: 0;
    left: 0;
    transform: rotate(15deg);
}

.element-2 {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgb(139, 92, 246), rgb(124, 58, 237));
    top: 20px;
    right: 0;
    transform: rotate(-15deg);
}

.element-3 {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgb(59, 130, 246), rgb(37, 99, 235));
    bottom: 0;
    left: 20px;
    transform: rotate(25deg);
}

.element-4 {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgb(16, 185, 129), rgb(5, 150, 105));
    bottom: 40px;
    right: 30px;
    transform: rotate(-25deg);
}

.technology-section {
    padding: 80px 0;
    background-color: var(--background-light);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.tech-card {
    background-color: var(--background-white);
    border-radius: 16px;
    padding: 32px;
    height: 100%;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.tech-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.tech-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 16px;
}

.tech-card p {
    font-size: 14px;
    line-height: 22px;
    color: var(--text-secondary);
    margin: 0;
}

.pricing-preview {
    padding: 80px 0;
    background-color: var(--background-white);
}

.pricing-cards {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin: 48px 0;
    flex-wrap: wrap;
}

.pricing-card {
    background-color: var(--background-white);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    min-width: 200px;
    transition: all 0.2s ease;
}

.pricing-card.featured {
    border-color: var(--accent-blue);
    transform: scale(1.05);
}

.pricing-card:hover {
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-lg);
}

.pricing-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 16px;
}

.price {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 8px;
}

.price span {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-secondary);
}

.pricing-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.cta-section {
    padding: 80px 0;
    background: var(--accent-gradient);
    color: var(--background-white);
}

.cta-section h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.9;
}

.cta-section .btn {
    background-color: var(--background-white);
    color: var(--text-color);
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.footer {
    background-color: var(--text-color);
    color: var(--background-white);
    padding: 60px 0 20px;
}

.footer-brand {
    margin-bottom: 32px;
}

.footer-brand .logo-text {
    color: var(--background-white);
}

.footer-brand p {
    font-size: 14px;
    line-height: 22px;
    opacity: 0.8;
    margin-top: 16px;
    margin-bottom: 0;
}

.footer h5 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: var(--background-white);
    text-decoration: none;
    font-size: 14px;
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.contact-info p {
    font-size: 14px;
    line-height: 22px;
    margin-bottom: 8px;
    opacity: 0.8;
}

.contact-info a {
    color: var(--background-white);
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.2);
    margin: 40px 0 20px;
}

.copyright {
    font-size: 14px;
    opacity: 0.6;
    margin: 0;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 28px;
        line-height: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
        line-height: 24px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .feature-title {
        font-size: 24px;
    }
    
    .media-logos {
        gap: 16px;
    }
    
    .pricing-cards {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .visual-elements {
        width: 150px;
        height: 150px;
    }
}

.btn-outline-primary {
    border: 2px solid var(--accent-blue);
    color: var(--accent-blue);
    background-color: transparent;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s ease;
}

.btn-outline-primary:hover {
    background-color: var(--accent-blue);
    color: var(--background-white);
    text-decoration: none;
}

.pricing-hero {
    padding: 60px 0;
    background-color: var(--background-light);
}

.pricing-plans {
    padding: 80px 0;
    background-color: var(--background-white);
}

.pricing-plan {
    background-color: var(--background-white);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    height: 100%;
    position: relative;
    transition: all 0.3s ease;
}

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

.pricing-plan.featured {
    border-color: var(--accent-blue);
    transform: scale(1.02);
}

.pricing-plan.featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gradient);
    color: var(--background-white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.plan-header {
    text-align: center;
    margin-bottom: 32px;
}

.plan-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 16px;
}

.plan-price {
    margin-bottom: 16px;
}

.currency {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-secondary);
    vertical-align: top;
}

.amount {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-color);
}

.period {
    font-size: 16px;
    color: var(--text-secondary);
}

.plan-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.plan-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.plan-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
}

.plan-features li:last-child {
    border-bottom: none;
}

.pricing-cta {
    padding: 80px 0;
    background: var(--accent-gradient);
    color: var(--background-white);
}

.pricing-cta h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.pricing-cta p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.9;
}

.contact-hero {
    padding: 60px 0;
    background-color: var(--background-light);
}

.contact-form-section {
    padding: 80px 0;
    background-color: var(--background-white);
}

.contact-form-container {
    background-color: var(--background-white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.contact-form .form-label {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
}

.contact-form .form-control {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 16px;
    transition: border-color 0.2s ease;
}

.contact-form .form-control:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.thank-you-message {
    background-color: var(--background-light);
    border-radius: 16px;
    padding: 60px 40px;
    text-align: center;
}

.success-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.thank-you-message h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 16px;
}

.thank-you-message p {
    font-size: 16px;
    line-height: 24px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.thank-you-message .note {
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.contact-info-section {
    padding: 80px 0;
    background-color: var(--background-light);
}

.contact-info-card {
    background-color: var(--background-white);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    height: 100%;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contact-info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.info-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.contact-info-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
}

.contact-info-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.contact-info-card a {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 600;
}

.contact-info-card a:hover {
    text-decoration: underline;
}

.contact-info-card address {
    font-style: normal;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 20px;
}

.legal-content {
    padding: 80px 0;
    background-color: var(--background-white);
}

.legal-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 16px;
}

.legal-updated {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 48px;
}

.legal-section {
    margin-bottom: 40px;
}

.legal-section h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 16px;
}

.legal-section h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 12px;
    margin-top: 24px;
}

.legal-section p {
    font-size: 16px;
    line-height: 24px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.legal-section ul {
    margin-bottom: 16px;
    padding-left: 24px;
}

.legal-section li {
    font-size: 16px;
    line-height: 24px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.legal-section a {
    color: var(--accent-blue);
    text-decoration: none;
}

.legal-section a:hover {
    text-decoration: underline;
}

.pricing-faq {
    padding: 80px 0;
    background-color: var(--background-light);
}

.accordion-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 16px;
}

.accordion-button {
    background-color: var(--background-white);
    color: var(--text-color);
    font-weight: 600;
    border: none;
    padding: 20px 24px;
}

.accordion-button:not(.collapsed) {
    background-color: var(--background-light);
    color: var(--text-color);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.accordion-body {
    padding: 20px 24px;
    color: var(--text-secondary);
    line-height: 24px;
}