/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3470ff;
    --primary-hover: #2563eb;
    --background-dark: #000000;
    --background-light: #ffffff;
    --text-primary: rgba(255, 255, 255, 0.95);
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-dark: #000000;
    --border-color: rgba(255, 255, 255, 0.1);
    --card-background: rgba(255, 255, 255, 0.05);
    --header-background: rgba(0, 0, 0, 0.75);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    background-color: var(--background-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Cookie Notice */
.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--background-dark);
    border-top: 1px solid var(--border-color);
    padding: 16px;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.cookie-text {
    color: var(--text-secondary);
    font-size: 14px;
}

.cookie-text a {
    color: var(--primary-color);
    text-decoration: none;
}

.cookie-buttons {
    display: flex;
    gap: 12px;
}

.cookie-close,
.cookie-accept {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.cookie-close {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.cookie-accept {
    background: var(--primary-color);
    color: white;
}

.cookie-close:hover {
    background: rgba(255, 255, 255, 0.05);
}

.cookie-accept:hover {
    background: var(--primary-hover);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--header-background);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    padding: 12px 0;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 18px;
}

.logo-icon svg {
    width: 32px;
    height: 32px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-list a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-list a:hover {
    color: var(--text-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.language-selector {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 32px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

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

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
}

/* Main Content */
.main {
    padding-top: 80px;
}

/* Hero Section */
.hero {
    padding: 80px 0 120px;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.hero-title {
    font-size: 64px;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 24px;
    position: relative;
}

.hero-sparkles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.sparkle {
    position: absolute;
    animation: sparkle 2s ease-in-out infinite;
}

.sparkle-1 {
    top: 10%;
    left: 20%;
    animation-delay: 0s;
}

.sparkle-2 {
    top: 20%;
    right: 25%;
    animation-delay: 0.5s;
}

.sparkle-3 {
    bottom: 30%;
    left: 15%;
    animation-delay: 1s;
}

.sparkle-4 {
    bottom: 20%;
    right: 20%;
    animation-delay: 1.5s;
}

@keyframes sparkle {
    0%, 100% { opacity: 0; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.2); }
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--primary-color);
    color: white;
    padding: 16px 32px;
    border-radius: 32px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 40px;
    transition: all 0.3s ease;
}

.hero-cta:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(52, 112, 255, 0.3);
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.hero-image {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Features Section */
.features {
    padding: 80px 0;
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: 0 12px 40px rgba(52, 112, 255, 0.1);
}

.feature-icon {
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-title {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 16px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.feature-demo {
    margin-top: 24px;
    border-radius: 8px;
    overflow: hidden;
}

.feature-demo img {
    width: 100%;
    height: auto;
    display: block;
}

.cta-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border-color: var(--primary-color);
    text-align: center;
}

.cta-content h2 {
    font-size: 28px;
    margin-bottom: 16px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
    margin-bottom: 24px;
}

/* Steps Section */
.steps {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.02);
}

.steps-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.steps h2 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 60px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.step {
    text-align: center;
}

.step img {
    width: 100%;
    max-width: 300px;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.step p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.faq h2 {
    font-size: 48px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 60px;
}

.faq-list {
    list-style: none;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: color 0.2s ease;
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-icon {
    transition: transform 0.2s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(90deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-question[aria-expanded="true"] + .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding-bottom: 24px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Final CTA Section */
.final-cta {
    padding: 80px 0;
    text-align: center;
}

.final-cta-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 24px;
}

.cta-icon {
    margin-bottom: 24px;
}

.final-cta h2 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 40px;
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 40px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.footer-logo svg {
    width: 32px;
    height: 32px;
}

.footer-info p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-contact {
    margin-top: 16px;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column {
    list-style: none;
}

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer-column a:hover {
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-container {
        padding: 0 16px;
    }
    
    .header-left {
        gap: 20px;
    }
    
    .nav-list {
        display: none;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .features-container {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .steps h2,
    .faq h2,
    .final-cta h2 {
        font-size: 36px;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        gap: 40px;
    }
    
    .cookie-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
    }
    
    .feature-card {
        padding: 24px;
    }
    
    .steps h2,
    .faq h2,
    .final-cta h2 {
        font-size: 28px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 24px;
    }
}

/* Page-specific styles */

/* About page */
.about-hero {
    padding: 120px 0 80px;
    text-align: center;
}

.about-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

.about-hero h1 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 16px;
}

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

.about-content {
    padding: 0 0 80px;
}

.content-section h2 {
    font-size: 36px;
    font-weight: 600;
    margin: 60px 0 24px;
}

.content-section h3 {
    font-size: 24px;
    font-weight: 600;
    margin: 40px 0 16px;
}

.content-section p {
    margin-bottom: 20px;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    margin: 32px 0;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.tech-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.tech-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
}

/* Pricing page */
.pricing-hero {
    padding: 120px 0 80px;
    text-align: center;
}

.pricing-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.pricing-hero h1 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 16px;
}

.pricing-subtitle {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

.pricing-plans {
    padding: 80px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.pricing-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: 0 12px 40px rgba(52, 112, 255, 0.1);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(52, 112, 255, 0.1), rgba(52, 112, 255, 0.05));
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

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

.pricing-header h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.currency {
    font-size: 24px;
    font-weight: 600;
}

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

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

.pricing-features ul {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    padding: 8px 0;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-color);
}

.pricing-faq {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.02);
}

.pricing-faq h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 60px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.faq-grid .faq-item {
    background: var(--card-background);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.faq-grid .faq-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.pricing-cta {
    padding: 80px 0;
    text-align: center;
}

.pricing-cta h2 {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 16px;
}

.pricing-cta p {
    color: var(--text-secondary);
    font-size: 18px;
    margin-bottom: 32px;
}

/* Features page */
.features-hero {
    padding: 120px 0 80px;
    text-align: center;
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.features-hero h1 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 16px;
}

.features-subtitle {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

.core-features {
    padding: 80px 0;
}

.core-features h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 60px;
}

.core-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.core-feature {
    background: var(--card-background);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.core-feature:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: 0 12px 40px rgba(52, 112, 255, 0.1);
}

.core-feature-icon {
    margin-bottom: 24px;
}

.core-feature h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.core-feature p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.feature-benefits {
    list-style: none;
}

.feature-benefits li {
    color: var(--text-secondary);
    margin-bottom: 8px;
    padding-left: 16px;
    position: relative;
}

.feature-benefits li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.usage-advantages {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.02);
}

.usage-advantages h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 60px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.advantage-card {
    background: var(--card-background);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    position: relative;
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: 0 12px 40px rgba(52, 112, 255, 0.1);
}

.advantage-number {
    position: absolute;
    top: -16px;
    left: 32px;
    background: var(--primary-color);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.advantage-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    margin-top: 8px;
}

.advantage-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.advanced-features {
    padding: 80px 0;
}

.advanced-features h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 60px;
}

.advanced-features-list {
    display: grid;
    gap: 24px;
}

.advanced-feature {
    display: flex;
    gap: 20px;
    background: var(--card-background);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.advanced-feature:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 32px rgba(52, 112, 255, 0.1);
}

.advanced-feature-icon {
    flex-shrink: 0;
}

.advanced-feature-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

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

.features-cta {
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 16px;
}

.cta-content p {
    color: var(--text-secondary);
    font-size: 18px;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Product page */
.product-hero {
    padding: 120px 0 80px;
    text-align: center;
}

.product-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.product-hero h1 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 16px;
}

.product-subtitle {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto;
}

.working-principles {
    padding: 80px 0;
}

.working-principles h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 60px;
}

.principles-grid {
    display: grid;
    gap: 60px;
}

.principle-step {
    display: flex;
    gap: 32px;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
}

.step-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.step-details h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.step-details ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 8px;
}

.step-details li {
    color: var(--text-secondary);
    padding-left: 16px;
    position: relative;
}

.step-details li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.powerful-features {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.02);
}

.powerful-features h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 60px;
}

.power-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.power-feature {
    background: var(--card-background);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.power-feature:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: 0 12px 40px rgba(52, 112, 255, 0.1);
}

.power-icon {
    margin-bottom: 24px;
}

.power-feature h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
}

.power-feature p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.comparison {
    display: grid;
    gap: 12px;
}

.comparison-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
}

.comparison-label {
    font-weight: 500;
    font-size: 14px;
}

.comparison-value {
    font-size: 14px;
}

.comparison-value.negative {
    color: #ef4444;
}

.comparison-value.positive {
    color: #10b981;
}

.technology-stack {
    padding: 80px 0;
}

.technology-stack h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 60px;
}

.tech-architecture {
    display: grid;
    gap: 40px;
}

.tech-layer {
    background: var(--card-background);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.tech-layer h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--primary-color);
}

.tech-components {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.tech-component {
    background: rgba(255, 255, 255, 0.03);
    padding: 20px;
    border-radius: 8px;
}

.tech-component h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.tech-component p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

.product-demo {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.02);
}

.product-demo h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 60px;
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.demo-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.demo-description h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.demo-description p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.demo-features {
    display: grid;
    gap: 12px;
    margin-bottom: 32px;
}

.demo-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Contact page */
.contact-hero {
    padding: 120px 0 80px;
    text-align: center;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.contact-hero h1 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 16px;
}

.contact-subtitle {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

.contact-form-section {
    padding: 80px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: flex-start;
}

.contact-info h2 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 40px;
}

.contact-details {
    display: grid;
    gap: 32px;
    margin-bottom: 40px;
}

.contact-detail {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(52, 112, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-text h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-text p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

.business-hours h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.hours-list {
    display: grid;
    gap: 8px;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.hours-item:last-child {
    border-bottom: none;
}

.contact-form-wrapper {
    background: var(--card-background);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.contact-form {
    display: grid;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: grid;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    flex-shrink: 0;
}

.contact-cta {
    padding: 80px 0;
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
}

.contact-cta h2 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 16px;
}

.contact-cta p {
    color: var(--text-secondary);
    font-size: 18px;
    margin-bottom: 32px;
}

.success-message {
    text-align: center;
    padding: 60px 40px;
    background: var(--card-background);
    border-radius: 16px;
    border: 1px solid #10b981;
}

.success-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #10b981;
}

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

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    color: #ef4444;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-top: 16px;
}

/* Legal pages */
.legal-hero {
    padding: 120px 0 80px;
    text-align: center;
}

.legal-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

.legal-hero h1 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 16px;
}

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

.legal-content {
    padding: 0 0 80px;
}

.legal-text h2 {
    font-size: 28px;
    font-weight: 600;
    margin: 40px 0 16px;
    color: var(--primary-color);
}

.legal-text h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 24px 0 12px;
}

.legal-text p {
    margin-bottom: 16px;
    line-height: 1.7;
}

.legal-text ul {
    margin: 16px 0 24px 20px;
    line-height: 1.6;
}

.legal-text li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.contact-info {
    background: rgba(255, 255, 255, 0.05);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin: 24px 0;
}

.contact-info p {
    margin-bottom: 8px;
}

.contact-info p:last-child {
    margin-bottom: 0;
}

/* Light theme for specific pages */
.light-theme {
    background-color: var(--background-light);
    color: var(--text-dark);
}

.light-theme .header {
    background: rgba(255, 255, 255, 0.95);
    border-bottom-color: rgba(0, 0, 0, 0.1);
}

.light-theme .nav-list a {
    color: rgba(0, 0, 0, 0.7);
}

.light-theme .nav-list a:hover {
    color: var(--text-dark);
}

.light-theme .language-selector {
    color: rgba(0, 0, 0, 0.7);
}

.light-theme .logo {
    color: var(--text-dark);
}

.light-theme .legal-text h2 {
    color: var(--primary-color);
}

.light-theme .contact-info {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.1);
}

/* Responsive design for new pages */
@media (max-width: 768px) {
    .about-hero h1,
    .pricing-hero h1,
    .features-hero h1,
    .product-hero h1,
    .contact-hero h1,
    .legal-hero h1 {
        font-size: 36px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .core-features-grid,
    .advantages-grid,
    .power-features-grid {
        grid-template-columns: 1fr;
    }
    
    .principle-step {
        flex-direction: column;
        gap: 20px;
    }
    
    .demo-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .tech-components {
        grid-template-columns: 1fr;
    }
    
    .step-details ul {
        grid-template-columns: 1fr;
    }
}