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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #383aa9 50%, #0f172a 100%);
    color: white;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-logo {
    height: 2rem;
    width: auto;
    display: block;
}

.brand-icon {
    width: 2rem;
    height: 2rem;
    background: linear-gradient(135deg, #383aa9, #06b6d4);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.brand-text {
    font-weight: 700;
    font-size: 1.25rem;
    color: white;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: white;
}

.nav-button {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    backdrop-filter: blur(4px);
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-button:hover {
    background: rgba(255, 255, 255, 0.3);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 1.5rem;
    height: 2px;
    background: white;
    margin: 2px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 8rem 2rem 2rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    color: white;
}

.gradient-text {
    background: linear-gradient(135deg, #60a5fa, #34d399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 32rem;
    line-height: 1.6;
}

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

.btn-primary {
    background: linear-gradient(135deg, #383aa9, #06b6d4);
    border: none;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(56, 58, 169, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2d2f87, #0891b2);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Video Section */
.hero-video {
    display: flex;
    justify-content: center;
}

.video-container {
    position: relative;
}

.video-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(56, 58, 169, 0.2), rgba(6, 182, 212, 0.2));
    border-radius: 50%;
    filter: blur(3rem);
    transform: scale(1.5);
}

.video-wrapper {
    position: relative;
    width: 24rem;
    height: 24rem;
    border-radius: 1rem;
    backdrop-filter: blur(4px);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 50px rgba(56, 58, 169, 0.3), inset 0 0 50px rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.robot-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 1rem;
    mix-blend-mode: multiply;
    background-color: white;
    padding: 20px;
    filter: contrast(1.2) brightness(1.1);
}

.video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(56, 58, 169, 0.2), transparent);
    border-radius: 1rem;
    mix-blend-mode: overlay;
}

/* Features Section */
.features {
    padding: 2rem 2rem;
}

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

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

.features-title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
}

.features-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 48rem;
    margin: 0 auto;
}

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

.feature-card {
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.blue-gradient {
    background: linear-gradient(135deg, #383aa9, #06b6d4);
}

.purple-gradient {
    background: linear-gradient(135deg, #8b5cf6, #ec4899);
}

.green-gradient {
    background: linear-gradient(135deg, #10b981, #059669);
}

.orange-gradient {
    background: linear-gradient(135deg, #f97316, #ef4444);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.feature-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* CTA Section */
.cta {
    padding: 5rem 2rem;
}

.cta-container {
    max-width: 64rem;
    margin: 0 auto;
    text-align: center;
}

.cta-card {
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1.5rem;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.cta-title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
}

.cta-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 32rem;
    margin: 0 auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: 3rem 2rem;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: white;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .features-title {
        font-size: 2.5rem;
    }
    
    .cta-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .video-wrapper {
        width: 20rem;
        height: 20rem;
    }
    
    .features-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 6rem 1rem 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .video-wrapper {
        width: 16rem;
        height: 16rem;
    }
    
    .features {
        padding: 3rem 1rem;
    }
    
    .cta {
        padding: 3rem 1rem;
    }
    
    .cta-card {
        padding: 2rem;
    }
}

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

/* Animation classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Ripple effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

button {
    position: relative;
    overflow: hidden;
}

@media (max-width: 768px) {
    .nav-links.active {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(56, 58, 169, 0.95);
        flex-direction: column;
        padding: 1rem;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-2px, 4px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .nav-button{
        display: none;
    }

    .hero-buttons {
        justify-content: center;
    }
}