:root {
    --bg-black: #000000;
    --bg-dark: #111111;
    --bg-darker: #0A0A0A;
    --text-white: #FFFFFF;
    --text-gray: #AAAAAA;
    --accent: #FFFFFF;
    --success: #00FF00;
    --danger: #FF0000;
    --border-light: rgba(255, 255, 255, 0.1);
    --border-medium: rgba(255, 255, 255, 0.2);
    --transition: all 0.3s ease;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
}

body {
    background-color: var(--bg-black);
    color: var(--text-white);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    color: inherit;
}

.section-header {
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 60px;
    height: 2px;
    background-color: var(--text-white);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
}

.section-header.text-center {
    text-align: center;
}

.section-header.text-center h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.section-header.text-center p {
    margin-left: auto;
    margin-right: auto;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 30px 0;
    z-index: 999;
    transition: var(--transition);
    background-color: transparent;
}

.navbar.scrolled {
    padding: 20px 0;
    background-color: var(--bg-black);
    border-bottom: 1px solid var(--border-light);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-img {
    height: 32px;
    width: auto;
    display: block;
    transition: var(--transition);
}

.logo:hover .logo-img {
    opacity: 0.8;
}

.desktop-nav {
    display: flex;
    align-items: center;
}

.desktop-nav ul {
    display: flex;
    margin-right: 40px;
}

.nav-link {
    color: var(--text-gray);
    font-weight: 500;
    padding: 0 18px;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 18px;
    width: 0;
    height: 1px;
    background-color: var(--text-white);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-white);
}

.nav-link:hover::after {
    width: calc(100% - 36px);
}

.nav-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.language-selector {
    position: relative;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    color: var(--text-white);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.language-btn:hover {
    border-color: var(--text-white);
    background: rgba(255, 255, 255, 0.05);
}

.language-btn i.fa-globe {
    font-size: 1rem;
}

.language-btn i.fa-angle-down {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.language-dropdown.active .language-btn i.fa-angle-down {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.language-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: block;
    padding: 12px 20px;
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-light);
}

.language-option:last-child {
    border-bottom: none;
    border-radius: 0 0 12px 12px;
}

.language-option:first-child {
    border-radius: 12px 12px 0 0;
}

.language-option:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
}

.language-option.active {
    color: var(--primary-blue);
    background: rgba(33, 150, 243, 0.1);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--text-white);
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-black);
    z-index: 1000;
    transition: var(--transition);
    border-left: 1px solid var(--border-light);
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-content {
    padding: 30px;
    height: 100%;
    overflow-y: auto;
}

.menu-close {
    font-size: 1.8rem;
    margin-bottom: 40px;
    display: block;
}

.mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.mobile-nav-link {
    font-size: 1.2rem;
    color: var(--text-gray);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

.mobile-nav-link:hover {
    color: var(--text-white);
}

.mobile-language-selector {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

.mobile-language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    color: var(--text-white);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.mobile-language-btn:hover {
    border-color: var(--text-white);
    background: rgba(255, 255, 255, 0.1);
}

.mobile-language-btn i.fa-globe {
    font-size: 1.1rem;
}

.mobile-language-btn i.fa-angle-down {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.mobile-language-dropdown {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    margin-top: 10px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
}

.mobile-language-dropdown.active {
    max-height: 600px;
    overflow-y: auto;
}

.mobile-language-dropdown.active ~ .mobile-language-btn i.fa-angle-down,
.mobile-language-btn.active i.fa-angle-down {
    transform: rotate(180deg);
}

.mobile-language-dropdown .language-option {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-light);
}

.mobile-language-dropdown .language-option:last-child {
    border-bottom: none;
}

.mobile-nav-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--text-gray);
}

.btn-outline {
    border: 1px solid var(--border-medium);
    color: var(--text-white);
}

.btn-outline:hover {
    border-color: var(--text-white);
}

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

.btn-transparent:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--text-white);
}

.btn-large {
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: var(--radius-md);
}

.hero {
    padding: 200px 0 100px;
    background-color: var(--bg-black);
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
}

.hero-text h2 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 30px;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.hero-visual {
    flex: 1;
}

.chart-container {
    width: 100%;
    height: 600px;
    background-color: transparent;
    border-radius: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 0;
    display: block;
}

.markets {
    padding: 120px 0;
    background-color: var(--bg-dark);
}

.markets .section-header:not(.text-center) {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: transparent;
    border-radius: var(--radius-md);
    padding: 35px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.product-card:hover {
    background-color: rgba(255, 255, 255, 0.02);
    border-color: var(--border-medium);
    transform: translateY(-5px);
}

.product-card .product-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background-color: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 1.5rem;
}

.product-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.product-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

.products {
    padding: 120px 0;
    background-color: var(--bg-black);
}

.products-content {
    display: flex;
    align-items: center;
    gap: 80px;
}

.products-text {
    flex: 1;
}

.products-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.products-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 50px;
    line-height: 1.6;
}

.products-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.product-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.product-item .product-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    border-radius: var(--radius-md);
    background-color: var(--bg-dark);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.product-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.product-info p {
    color: var(--text-gray);
    line-height: 1.6;
    font-size: 0.95rem;
}

.products-visual {
    flex: 1.5;
}

.products-image-container {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.products-image-container::before {
    display: none;
}

.products-image-container::after {
    display: none;
}

.products-image {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
    background: transparent;
    border: 1px solid var(--border-light);
    display: block;
}

.features {
    padding: 120px 0;
    background-color: var(--bg-dark);
}

.features-content {
    display: flex;
    align-items: center;
    gap: 80px;
}

.features-visual {
    flex: 1.5;
}

.features-image-container {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.features-image-container::before {
    display: none;
}

.features-image-container::after {
    display: none;
}

.features-image {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
    background: transparent;
    border: 1px solid var(--border-light);
    display: block;
}

.features-text {
    flex: 1;
}

.features-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.features-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 50px;
    line-height: 1.6;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-info p {
    color: var(--text-gray);
    line-height: 1.6;
    font-size: 0.95rem;
}

.signup {
    padding: 120px 0;
    background-color: var(--bg-black);
}

.signup-content {
    display: flex;
    justify-content: center;
}

.signup-text {
    max-width: 600px;
    text-align: center;
}

.signup-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 25px;
}

.signup-text p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 35px;
    margin-left: auto;
    margin-right: auto;
}

.download-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 30px;
    background-color: var(--bg-black);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-white);
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
}

.download-btn:hover {
    background-color: var(--text-white);
    color: var(--bg-black);
    border-color: var(--text-white);
}

.download-btn i {
    font-size: 1.5rem;
}

.community {
    padding: 120px 0;
    background-color: var(--bg-black);
}

.community-content {
    display: flex;
    align-items: center;
    gap: 80px;
}

.community-text {
    flex: 1;
}

.community-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.community-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 50px;
    line-height: 1.6;
}

.community-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.community-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.community-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.community-info p {
    color: var(--text-gray);
    line-height: 1.6;
    font-size: 0.95rem;
}

.community-visual {
    flex: 1.5;
}

.community-image-container {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.community-image-container::before {
    display: none;
}

.community-image-container::after {
    display: none;
}

.community-image {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
    background: transparent;
    border: 1px solid var(--border-light);
    display: block;
}

.news {
    padding: 120px 0;
    background-color: var(--bg-dark);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.news-card {
    background-color: var(--bg-black);
    border-radius: var(--radius-md);
    padding: 30px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.news-card:hover {
    border-color: var(--border-medium);
    transform: translateY(-5px);
}

.news-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    transition: var(--transition);
}

.news-card:hover h3 {
    color: var(--text-gray);
}

.news-card p {
    color: var(--text-gray);
    margin-bottom: 25px;
    line-height: 1.7;
}

.news-link {
    display: inline-flex;
    align-items: center;
    color: var(--text-white);
    font-weight: 500;
    transition: var(--transition);
}

.news-link i {
    margin-left: 10px;
    transition: var(--transition);
}

.news-card:hover .news-link i {
    transform: translateX(5px);
}

.faq {
    padding: 120px 0;
    background-color: var(--bg-dark);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background-color: var(--bg-dark);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 25px;
    text-align: left;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-white);
    transition: var(--transition);
}

.faq-question:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.faq-question i {
    transition: var(--transition);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.5s ease;
}

.faq-answer.active {
    padding: 0 25px 25px;
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-gray);
    line-height: 1.7;
    padding-top: 15px;
    border-top: 1px solid var(--border-light);
}

.footer {
    background-color: var(--bg-darker);
    border-top: 1px solid var(--border-light);
    padding: 100px 0 50px;
}

.footer-top {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 50px;
    margin-bottom: 80px;
}

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

.footer-column h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 25px;
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-column a {
    color: var(--text-gray);
    transition: var(--transition);
}

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

.footer-social {
    min-width: 200px;
}

.footer-social h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 25px;
}

.social-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
    max-width: 205px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-icons a:hover {
    border-color: var(--text-white);
    transform: translateY(-5px);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-top: 40px;
    border-top: 1px solid var(--border-light);
}

.footer-links-section {
    text-align: left;
    color: var(--text-gray);
    font-size: 0.85rem;
    line-height: 1.8;
    margin-top: 15px;
}

.footer-links-section span {
    margin-right: 10px;
    color: var(--text-white);
    font-weight: 500;
}

.footer-links-section a {
    color: var(--text-gray);
    margin-right: 15px;
    transition: var(--transition);
    display: inline-block;
}

.footer-links-section a:hover {
    color: var(--primary-blue);
}

@media (max-width: 1024px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .products-content {
        flex-direction: column;
        gap: 60px;
    }
    
    .features-content {
        flex-direction: column-reverse;
        gap: 60px;
    }
    
    .community-content {
        flex-direction: column;
        gap: 60px;
    }
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-text h2 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .products-text h2 {
        font-size: 2rem;
    }
    
    .features-text h2 {
        font-size: 2rem;
    }
    
    .community-text h2 {
        font-size: 2rem;
    }
    
    .footer-top {
        flex-direction: column;
    }
    
    .footer-social {
        order: 2;
    }
    
    .footer-links {
        order: 1;
        gap: 40px;
    }
}

@media (max-width: 576px) {
    .logo-img {
        height: 32px;
    }
    
    .hero {
        padding: 150px 0 80px;
    }
    
    .hero-text h2 {
        font-size: 2rem;
    }
    
    .markets, .products, .features, .community, .signup, .news, .faq {
        padding: 80px 0;
    }
    
    .download-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .download-btn {
        justify-content: center;
    }
    
    .products-list {
        gap: 25px;
    }
    
    .product-item {
        gap: 15px;
    }
    
    .product-item .product-icon {
        width: 45px;
        height: 45px;
        min-width: 45px;
    }
    
    .features-list {
        gap: 25px;
    }
    
    .feature-item {
        gap: 15px;
    }
    
    .community-list {
        gap: 25px;
    }
    
    .community-item {
        gap: 15px;
    }
}