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

:root {
    --primary-color: #000000;
    --secondary-color: #1a1a1a;
    --accent-color: #ff6600;
    --accent-green: #00ff66;
    --dark-bg: #000000;
    --light-bg: #0a0a0a;
    --text-dark: #ffffff;
    --text-light: #ffffff;
    --text-gray: #cccccc;
    --border-color: #333333;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--dark-bg);
}

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

/* Navigation */
.navbar {
    background: var(--dark-bg);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

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

.logo h1 {
    font-size: 2.2rem;
    font-weight: 900;
    letter-spacing: 2px;
    font-family: 'Arial Black', 'Arial Bold', sans-serif;
}

.logo-o {
    color: #ff6600;
}

.logo-rest {
    color: #00ff66;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    background:
        linear-gradient(rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.75)),
        url('https://images.unsplash.com/photo-1518314916381-77a37c2a49ae?w=1920&q=80') center/cover no-repeat;
    color: var(--text-light);
    padding: 120px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: var(--text-light);
    text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.8);
}

.cta-button {
    display: inline-block;
    background: var(--accent-color);
    color: var(--dark-bg);
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: background 0.3s ease;
}

.cta-button:hover {
    background: #ff8833;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--dark-bg);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
    font-weight: 700;
}

.section-intro {
    text-align: center;
    font-size: 1.2rem;
    max-width: 900px;
    margin: 0 auto 3rem;
    color: var(--text-gray);
    line-height: 1.8;
}

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

.feature-card {
    background: var(--secondary-color);
    padding: 2rem;
    border-radius: 5px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
}

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

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

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

/* Robotics Showcase */
.robotics-showcase {
    padding: 80px 0;
    background: var(--secondary-color);
    border-top: 1px solid var(--border-color);
}

.robotics-showcase h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-light);
    font-weight: 700;
}

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

.robotics-card {
    position: relative;
    overflow: hidden;
    border-radius: 5px;
    height: 300px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.robotics-card:hover {
    transform: translateY(-5px);
}

.robotics-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.robotics-card:hover img {
    transform: scale(1.05);
}

.robotics-card .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    color: white;
    padding: 2rem;
}

.overlay h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: var(--dark-bg);
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.contact h2 {
    font-size: 2.5rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    font-weight: 700;
}

.contact-intro {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-gray);
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-item {
    background: var(--secondary-color);
    padding: 2rem 3rem;
    border-radius: 5px;
    border: 1px solid var(--border-color);
}

.contact-item h3 {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-item a {
    color: var(--accent-color);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #ff8833;
}

/* About Page Styles */
.about-hero {
    background:
        linear-gradient(rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.75)),
        url('https://images.unsplash.com/photo-1485827404703-89b55fcc595e?w=1920&q=80') center/cover no-repeat;
    color: var(--text-light);
    padding: 100px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.about-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8);
}

.about-hero .subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.8);
}

.about-content {
    padding: 80px 0;
    background: var(--dark-bg);
}

.about-section {
    margin-bottom: 4rem;
}

.about-section h2 {
    font-size: 2.5rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.about-section p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 1rem;
}

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

.capability {
    background: var(--secondary-color);
    padding: 2rem;
    border-radius: 5px;
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-color);
}

.capability h3 {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.capability p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-gray);
}

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

.tech-item {
    background: var(--secondary-color);
    border-radius: 5px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-5px);
}

.tech-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.tech-item h3 {
    color: var(--text-light);
    padding: 1.5rem 1.5rem 0.5rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.tech-item p {
    padding: 0 1.5rem 1.5rem;
    font-size: 1rem;
    color: var(--text-gray);
}

.benefits-section {
    background: var(--secondary-color);
    padding: 3rem;
    border-radius: 5px;
    border: 1px solid var(--border-color);
}

.benefits-list {
    list-style: none;
    margin-top: 2rem;
}

.benefits-list li {
    padding: 1rem 0;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-gray);
}

.benefits-list li:last-child {
    border-bottom: none;
}

.benefits-list strong {
    color: var(--accent-color);
}

/* SCADA Comparison Section */
.scada-comparison {
    background: var(--secondary-color);
    padding: 3rem;
    border-radius: 5px;
    border: 1px solid var(--border-color);
}

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

.comparison-item {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 5px;
    border: 1px solid var(--border-color);
}

.comparison-item.highlight {
    border-left: 3px solid var(--accent-green);
}

.comparison-item h3 {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    font-weight: 600;
}

.comparison-item ul {
    list-style: none;
    padding: 0;
}

.comparison-item ul li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-gray);
}

.comparison-item ul li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--text-gray);
    font-weight: bold;
    font-size: 1.5rem;
}

.comparison-item.highlight ul li:before {
    content: "✓";
    color: var(--accent-green);
}

/* AI Benefits Section */
.ai-benefits {
    padding: 80px 0;
    background: var(--light-bg);
    border-top: 1px solid var(--border-color);
}

.ai-benefits h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
    font-weight: 700;
}

.ai-benefits .section-intro {
    color: var(--text-gray);
}

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

.benefit-card {
    background: var(--secondary-color);
    padding: 2.5rem;
    border-radius: 5px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid var(--border-color);
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

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

.benefit-card p {
    color: var(--text-gray);
    line-height: 1.7;
    font-size: 1.05rem;
}

.cta-section {
    background: var(--secondary-color);
    color: var(--text-light);
    padding: 80px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
    font-weight: 700;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-gray);
}

.cta-section .cta-button {
    background: var(--accent-color);
    color: var(--dark-bg);
}

/* Footer */
footer {
    background: var(--dark-bg);
    color: var(--text-light);
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
}

footer p {
    color: var(--text-gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .features h2,
    .ai-benefits h2,
    .robotics-showcase h2,
    .contact h2,
    .about-hero h1,
    .about-section h2,
    .cta-section h2 {
        font-size: 2rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .features-grid,
    .benefits-grid,
    .robotics-grid,
    .capabilities,
    .tech-showcase {
        grid-template-columns: 1fr !important;
    }

    .contact-info {
        flex-direction: column;
        gap: 1.5rem;
    }
}