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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #000000;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.nav-logo h2 {
    color: #76B900;
    font-weight: 700;
    font-size: 1.5rem;
}

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

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #76B900;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #76B900;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(118, 185, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(118, 185, 0, 0.05) 0%, transparent 50%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-container {
    text-align: center;
    max-width: 800px;
    padding: 0 2rem;
    z-index: 2;
    position: relative;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #76B900 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    color: #cccccc;
    font-weight: 400;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-cta {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    background: linear-gradient(135deg, #76B900 0%, #5a8f00 100%);
    color: #ffffff;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(118, 185, 0, 0.3);
    background: linear-gradient(135deg, #5a8f00 0%, #76B900 100%);
}

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

/* Feature Sections */
.feature-section {
    padding: 8rem 0;
    position: relative;
}

.feature-section:nth-child(even) {
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 100%);
}

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

.feature-section.alternate .feature-container {
    grid-template-columns: 1fr 1fr;
}

.feature-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #ffffff;
    line-height: 1.2;
}

.feature-content p {
    font-size: 1.1rem;
    color: #cccccc;
    line-height: 1.8;
    font-weight: 400;
}

.feature-image {
    position: relative;
}

.placeholder-image {
    width: 100%;
    height: 350px;
    border-radius: 15px;
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.placeholder-image:hover {
    transform: scale(1.02);
}

.placeholder-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, 
        rgba(118, 185, 0, 0.1) 0%, 
        rgba(118, 185, 0, 0.05) 50%, 
        rgba(118, 185, 0, 0.1) 100%);
}

.ai-image::after {
    content: 'AI Engine';
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: #76B900;
    font-size: 1.2rem;
    font-weight: 600;
}

.graphics-image::after {
    content: 'RTX Graphics';
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: #76B900;
    font-size: 1.2rem;
    font-weight: 600;
}

.digital-image::after {
    content: 'Omniverse';
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: #76B900;
    font-size: 1.2rem;
    font-weight: 600;
}

.healthcare-image::after {
    content: 'Healthcare AI';
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: #76B900;
    font-size: 1.2rem;
    font-weight: 600;
}

.sustainability-image::after {
    content: 'Sustainable Computing';
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: #76B900;
    font-size: 1.2rem;
    font-weight: 600;
}

/* Careers Section */
.careers-section {
    padding: 8rem 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
    text-align: center;
    position: relative;
}

.careers-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

.careers-section h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #ffffff;
}

.careers-quote {
    font-size: 1.3rem;
    font-style: italic;
    color: #cccccc;
    line-height: 1.8;
    margin-bottom: 1rem;
    position: relative;
    padding: 2rem;
    border-left: 4px solid #76B900;
    background: rgba(118, 185, 0, 0.05);
    border-radius: 10px;
}

.quote-author {
    display: block;
    margin-top: 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #76B900;
    font-style: normal;
}

.careers-cta {
    margin-top: 2rem;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    background: linear-gradient(135deg, #76B900 0%, #5a8f00 100%);
    color: #ffffff;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.careers-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(118, 185, 0, 0.3);
}

/* Footer Links Section */
.footer-links {
    padding: 6rem 0;
    background: #0f0f0f;
}

.links-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    padding: 0 2rem;
}

.link-card {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.link-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(118, 185, 0, 0.1);
    border-color: rgba(118, 185, 0, 0.3);
}

.link-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #2a2a2a 0%, #3a3a3a 100%);
    border-radius: 10px;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.link-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, 
        rgba(118, 185, 0, 0.1) 0%, 
        rgba(118, 185, 0, 0.05) 100%);
}

.history-image::after { content: '🕒'; }
.investors-image::after { content: '📈'; }
.newsroom-image::after { content: '📰'; }
.careers-image::after { content: '👥'; }

.link-image::after {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    opacity: 0.7;
}

.link-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.link-card p {
    color: #cccccc;
    font-size: 1rem;
}

/* Footer */
.footer {
    background: #000000;
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    color: #76B900;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: #cccccc;
    font-size: 1rem;
}

.footer-links-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-column a {
    display: block;
    color: #cccccc;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #76B900;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: #999999;
    font-size: 0.9rem;
}

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

.social-link {
    color: #cccccc;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: #76B900;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .feature-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .feature-section.alternate .feature-container {
        grid-template-columns: 1fr;
    }
    
    .feature-content h2 {
        font-size: 2rem;
    }
    
    .careers-section h2 {
        font-size: 2.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links-section {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .feature-content h2 {
        font-size: 1.8rem;
    }
    
    .careers-section h2 {
        font-size: 2rem;
    }
    
    .careers-quote {
        font-size: 1.1rem;
        padding: 1.5rem;
    }
    
    .links-container {
        grid-template-columns: 1fr;
    }
}

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

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

/* Scroll indicator */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, #76B900 0%, #5a8f00 100%);
    z-index: 1001;
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}