/* Reset and Base Styles */
* {
    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: #333333;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    overflow-x: hidden;
}

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

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

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: #FF6B35;
}

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

.nav-link {
    color: #666666;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #FF6B35;
}

.nav-btn {
    background: linear-gradient(135deg, #FF6B35, #FF8A65);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 107, 53, 0.3);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    background: radial-gradient(ellipse at center, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #333333, #FF6B35);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #FF6B35;
    font-weight: 600;
    margin-bottom: 2rem;
}

.hero-description {
    font-size: 1.2rem;
    color: #555555;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* LPU Overview Section */
.lpu-overview {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent, rgba(255, 107, 53, 0.05));
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: #333333;
}

.section-description {
    font-size: 1.2rem;
    color: #555555;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.feature-item:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 107, 53, 0.3);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 2rem;
    min-width: 60px;
    text-align: center;
}

.feature-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #FF6B35;
    margin-bottom: 0.5rem;
}

.feature-content p {
    color: #555555;
    line-height: 1.6;
}

/* LPU Visual */
.overview-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.lpu-chip {
    position: relative;
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.15), rgba(255, 138, 101, 0.1));
    border: 2px solid #FF6B35;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    animation: pulse 3s ease-in-out infinite;
    box-shadow: 0 20px 40px rgba(255, 107, 53, 0.2);
}

.chip-core {
    text-align: center;
    z-index: 2;
}

.core-label {
    font-size: 3rem;
    font-weight: 900;
    color: #FF6B35;
    margin-bottom: 1rem;
}

.core-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detail-item {
    background: rgba(255, 107, 53, 0.2);
    color: #333333;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.chip-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.connection {
    position: absolute;
    width: 4px;
    height: 40px;
    background: linear-gradient(180deg, #FF6B35, transparent);
    border-radius: 2px;
}

.connection:nth-child(1) {
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
}

.connection:nth-child(2) {
    right: -20px;
    top: 50%;
    transform: translateY(-50%) rotate(90deg);
}

.connection:nth-child(3) {
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%) rotate(180deg);
}

.connection:nth-child(4) {
    left: -20px;
    top: 50%;
    transform: translateY(-50%) rotate(270deg);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 20px 40px rgba(255, 107, 53, 0.2);
    }
    50% {
        box-shadow: 0 25px 50px rgba(255, 107, 53, 0.4);
    }
}

/* Architecture Comparison */
.architecture-comparison {
    padding: 100px 0;
    background: linear-gradient(180deg, rgba(255, 107, 53, 0.05), transparent);
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.comparison-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.comparison-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.lpu-card {
    border-color: rgba(255, 107, 53, 0.3);
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(255, 138, 101, 0.05));
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.card-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333333;
}

.lpu-card .card-header h3 {
    color: #FF6B35;
}

.card-icon {
    font-size: 2rem;
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.comparison-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

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

.item-label {
    font-weight: 600;
    color: #666666;
}

.item-value {
    color: #333333;
    font-weight: 500;
}

.lpu-card .item-value {
    color: #FF6B35;
    font-weight: 600;
}

/* Technical Deep Dive */
.technical-deep-dive {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent, rgba(255, 107, 53, 0.05));
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.tech-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 107, 53, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.tech-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.tech-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #FF6B35;
    margin-bottom: 1rem;
}

.tech-card p {
    color: #555555;
    line-height: 1.6;
}

/* Performance Metrics */
.performance-metrics {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), transparent);
}

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

.metric-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.metric-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 107, 53, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.metric-number {
    font-size: 3rem;
    font-weight: 900;
    color: #FF6B35;
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 1.2rem;
    font-weight: 700;
    color: #333333;
    margin-bottom: 0.5rem;
}

.metric-description {
    color: #666666;
    font-size: 0.9rem;
}

/* Use Cases */
.use-cases {
    padding: 100px 0;
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.use-case-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.use-case-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 107, 53, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.use-case-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.use-case-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #FF6B35;
    margin-bottom: 1rem;
}

.use-case-card p {
    color: #555555;
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(255, 138, 101, 0.05));
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #333333;
}

.cta-description {
    font-size: 1.2rem;
    color: #555555;
    margin-bottom: 3rem;
    line-height: 1.6;
}

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

.btn-primary {
    background: linear-gradient(135deg, #FF6B35, #FF8A65);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #333333;
    border: 2px solid rgba(0, 0, 0, 0.3);
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: #FF6B35;
    background: rgba(255, 107, 53, 0.1);
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: linear-gradient(180deg, transparent, #f8f9fa);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

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

.footer-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

.footer-description {
    color: #666666;
    max-width: 300px;
}

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

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-column h4 {
    color: #FF6B35;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: #555555;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #FF6B35;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    color: #666666;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .use-case-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .lpu-chip {
        width: 250px;
        height: 250px;
    }
    
    .core-label {
        font-size: 2rem;
    }
}

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

.animate-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Scroll animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}