:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #10b981;
    --dark-bg: #0f172a;
    --dark-surface: #1e293b;
    --dark-border: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--dark-bg);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--dark-border);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h2 {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link.btn-primary {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: var(--border-radius);
    border: none;
}

/* Language Switcher */
.language-switcher {
    position: relative;
    margin: 0 1rem;
}

    .language-switcher .dropdown-toggle {
        background: var(--dark-surface);
        border: 1px solid var(--dark-border);
        border-radius: var(--border-radius);
        color: var(--text-secondary);
        padding: 0.5rem 1rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.9rem;
        font-weight: 500;
        cursor: pointer;
        transition: var(--transition);
        min-width: 120px;
    }

        .language-switcher .dropdown-toggle img {
            width: 18px;
            height: 14px;
            border-radius: 2px;
        }

        .language-switcher .dropdown-toggle i {
            margin-left: auto;
            font-size: 0.7em;
            color: var(--text-muted);
        }

    .language-switcher .dropdown-menu {
        display: none;
        position: absolute;
        top: 110%;
        left: 0;
        min-width: 160px;
        background: var(--dark-surface);
        border: 1px solid var(--dark-border);
        border-radius: var(--border-radius);
        box-shadow: var(--shadow-lg);
        z-index: 1001;
        padding: 0.5rem 0;
    }

        .language-switcher .dropdown-menu .dropdown-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
            text-decoration: none;
            transition: var(--transition);
        }

            .language-switcher .dropdown-menu .dropdown-item img {
                width: 18px;
                height: 14px;
                border-radius: 2px;
            }

            .language-switcher .dropdown-menu .dropdown-item:hover {
                background: var(--primary-color);
                color: white;
            }

    .language-switcher.open .dropdown-menu {
        display: block;
    }

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1e293b 100%);
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--dark-border);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

/* Designer Cubes Container */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.designer-cubes-container {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: visible;
}

.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* Designer Cubes */
.designer-cube {
    position: absolute;
    width: 140px;
    height: 80px;
    background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    border: 2px solid #4a5568;
    border-radius: 6px;
    cursor: move;
    user-select: none;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

.designer-cube:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
    transform: translateY(-2px);
}

.designer-cube.dragging {
    transform: scale(1.05);
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.4);
    z-index: 1000;
    animation-play-state: paused;
}

.cube-content {
    padding: 12px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}

.cube-icon {
    margin-bottom: 4px;
}

.cube-icon i {
    font-size: 16px;
    color: var(--primary-color);
}

.cube-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: 2px;
}

.cube-type {
    font-size: 8px;
    color: var(--text-muted);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Connectors */
.cube-connectors {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.connector {
    position: absolute;
    width: 6px;
    height: 6px;
    background: #64748b;
    border: 1px solid #334155;
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.7;
}

.connector.input {
    left: -4px;
}

.connector.output {
    right: -4px;
}

.designer-cube:hover .connector {
    background: var(--primary-color);
    border-color: var(--primary-color);
    opacity: 1;
}

.connector:hover {
    background: var(--primary-color);
    transform: translateY(-50%) scale(1.2);
}

/* Float animations for cubes */
.designer-cube:nth-child(1) {
    animation-delay: 0s;
}

.designer-cube:nth-child(2) {
    animation-delay: 2s;
}

.designer-cube:nth-child(3) {
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* Features Section */
.features {
    padding: 8rem 0;
    background: var(--dark-bg);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.feature-grid {
    display: flex;
    flex-direction: column;
    gap: 6rem;
}

.feature-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 2rem 0;
}

.feature-card.reverse {
    direction: rtl;
}

.feature-card.reverse * {
    direction: ltr;
}

.feature-content {
    padding: 2rem 0;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-content h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.feature-image img {
    width: 100%;
    height: auto;
    transition: var(--transition);
}

.feature-image:hover img {
    transform: scale(1.05);
}

/* Integrations Section */
.integrations {
    padding: 6rem 0;
    background: var(--dark-surface);
}

.integrations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.integration-item {
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    height: 120px;
    text-align: center;
}

    .integration-item:hover {
        border-color: var(--primary-color);
        transform: translateY(-5px);
    }

    .integration-item img {
        max-width: 48px;
        max-height: 48px;
        object-fit: contain;
        filter: grayscale(1) brightness(0.8);
        transition: var(--transition);
        margin-bottom: 0.75rem;
    }

    .integration-item:hover img {
        filter: grayscale(0) brightness(1);
    }

.integration-name {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    opacity: 0.8;
    transition: var(--transition);
}

.integration-item:hover .integration-name {
    color: var(--primary-color);
    opacity: 1;
}

/* Why Choose Section */
.why-choose {
    padding: 8rem 0;
    background: var(--dark-bg);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.benefit-card {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.benefit-card:hover::before {
    transform: scaleX(1);
}

.benefit-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.benefit-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* Pricing Section */
.pricing {
    padding: 8rem 0;
    background: var(--dark-surface);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.pricing-card {
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    min-height: 100%;
}

.pricing-card .btn,
.pricing-card .btn-primary,
.pricing-card .btn-outline {
    margin-top: auto;
    align-self: center;
}

.pricing-features {
    margin-bottom: 2.5rem;
    flex-grow: 1;
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, var(--dark-bg) 100%);
    transform: scale(1.05);
}

.pricing-card.enterprise {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, var(--dark-bg) 100%);
    border-color: var(--accent-color);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 1rem;
    margin-top: 1em;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price span {
    font-size: 1rem;
    color: var(--text-secondary);
}

.pricing-features {
    margin-bottom: 2.5rem;
}

.feature-check {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--dark-border);
    font-size: 0.95rem;
}

.feature-check:last-child {
    border-bottom: none;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    border-top: 1px solid var(--dark-border);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

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

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-border);
    color: var(--text-muted);
}

/* Video Modal */
.video-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.video-modal-content {
    position: relative;
    margin: 5% auto;
    width: 90%;
    max-width: 900px;
    height: 80vh;
    background: var(--dark-surface);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--dark-border);
}

.video-close {
    position: absolute;
    top: 15px;
    right: 25px;
    color: white;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10001;
    background: rgba(0, 0, 0, 0.5);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.video-close:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

.video-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
}

.video-wrapper iframe {
    border-radius: var(--border-radius);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--dark-surface);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        border-top: 1px solid var(--dark-border);
        padding: 2rem 0;
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        left: 0;
    }

    .language-switcher {
        margin: 1rem 0;
        justify-content: center;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
        padding: 0 1rem;
    }

    .designer-cubes-container {
        height: 300px;
    }

    .designer-cube {
        width: 140px;
        height: 80px;
    }

    .cube-title {
        font-size: 10px;
        max-width: 110px;
    }

    .cube-icon i {
        font-size: 16px;
    }

    .hero-content h1 {
        font-size: 2.25rem;
        margin-bottom: 1rem;
    }

    .hero-content p {
        font-size: 1.125rem;
        margin-bottom: 2rem;
        max-width: none;
    }

    .hero-buttons {
        justify-content: center;
        gap: 0.75rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
    }

    .feature-card,
    .feature-card.reverse {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        direction: ltr;
        padding: 1rem 0;
    }

    .feature-card.reverse .feature-content {
        order: 2;
    }

    .feature-card.reverse .feature-image {
        order: 1;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .benefit-card {
        padding: 2rem;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card {
        padding: 2rem;
    }

    .integrations-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 1rem;
    }

    .integration-item {
        height: 100px;
        padding: 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .video-modal-content {
        margin: 10% auto;
        width: 95%;
        height: 70vh;
    }

    .video-close {
        top: 10px;
        right: 15px;
        font-size: 28px;
        width: 40px;
        height: 40px;
    }

    .hero-visual {
        display: none !important;
    }

    .feature-icon {
        display: none !important;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }

    .nav-container {
        padding: 1rem;
    }

    .hero-container {
        padding: 0 1rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.125rem;
    }

    .designer-cube {
        width: 120px;
        height: 70px;
    }

    .cube-title {
        font-size: 9px;
        max-width: 90px;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .feature-content h3 {
        font-size: 1.5rem;
    }

    .feature-content p {
        font-size: 1rem;
    }

    .pricing-card {
        padding: 1.5rem;
    }

    .price {
        font-size: 2.5rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

.feature-card,
.benefit-card,
.pricing-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}