:root {
        --primary-blue: #0A192F; /* Deep corporate dark blue */
        --secondary-blue: #112240; /* Slightly lighter blue for sections */
        --accent-gold: #D4AF37; /* Premium gold accent */
        --text-light: #E6F1FF;
        --text-muted: #8892B0;
        --white: #FFFFFF;
        --transition: all 0.3s ease-in-out;
    }

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: 'Inter', sans-serif;
    }

    body {
        background-color: var(--primary-blue);
        color: var(--text-light);
        line-height: 1.6;
        overflow-x: hidden;
    }

    a {
        text-decoration: none;
        color: inherit;
        transition: var(--transition);
    }

    ul {
        list-style: none;
    }

    /* Container */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }

    /* Navbar */
    nav {
        background-color: rgba(10, 25, 47, 0.95);
        backdrop-filter: blur(10px);
        position: fixed;
        width: 100%;
        top: 0;
        z-index: 1000;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }

    .nav-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 80px;
    }

    .logo-space {
        width: 180px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-muted);
        font-size: 0.8rem;
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    .nav-links {
        display: flex;
        gap: 32px;
    }

    .nav-links a {
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--text-light);
        letter-spacing: 0.5px;
    }

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

    /* Hero Section */
    .hero {
        padding: 200px 0 120px;
        text-align: center;
        background: radial-gradient(circle at center, var(--secondary-blue) 0%, var(--primary-blue) 100%);
    }

    .hero h2 {
        font-size: 1.2rem;
        color: var(--accent-gold);
        font-weight: 500;
        letter-spacing: 3px;
        text-transform: uppercase;
        margin-bottom: 16px;
    }

    .hero h1 {
        font-size: 4rem;
        font-weight: 700;
        color: var(--white);
        margin-bottom: 24px;
        letter-spacing: -1px;
    }

    .hero p.slogan {
        font-size: 1.25rem;
        color: var(--text-muted);
        max-width: 800px;
        margin: 0 auto 40px;
        line-height: 1.8;
    }

    /* About Section */
    .about {
        padding: 100px 0;
        background-color: var(--primary-blue);
    }

    .section-header {
        text-align: center;
        margin-bottom: 60px;
    }

    .section-header h3 {
        font-size: 2.2rem;
        color: var(--white);
        font-weight: 600;
        margin-bottom: 16px;
    }

    .section-header .line {
        width: 60px;
        height: 3px;
        background-color: var(--accent-gold);
        margin: 0 auto;
    }

    .about-content {
        display: flex;
        flex-direction: column;
        gap: 24px;
        font-size: 1.05rem;
        color: var(--text-muted);
        max-width: 900px;
        margin: 0 auto;
        text-align: justify;
    }

    .about-content p {
        line-height: 1.8;
    }

    /* Focus Section */
    .focus {
        padding: 100px 0;
        background-color: var(--secondary-blue);
    }

    .focus-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        justify-content: center;
        max-width: 1000px;
        margin: 0 auto;
    }

    .focus-tag {
        background-color: rgba(212, 175, 55, 0.1);
        color: var(--accent-gold);
        padding: 12px 24px;
        border-radius: 30px;
        font-size: 0.95rem;
        font-weight: 500;
        border: 1px solid rgba(212, 175, 55, 0.2);
        transition: var(--transition);
    }

    .focus-tag:hover {
        background-color: var(--accent-gold);
        color: var(--primary-blue);
    }

    /* Subsidiaries Section */
    .subsidiaries {
        padding: 100px 0;
        background-color: var(--primary-blue);
    }

    .subsidiaries-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 32px;
    }

    .subsidiary-card {
        background-color: var(--secondary-blue);
        padding: 40px 30px;
        border-radius: 8px;
        border-top: 4px solid var(--accent-gold);
        transition: var(--transition);
    }

    .subsidiary-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 30px -15px rgba(0,0,0,0.5);
    }

    .subsidiary-card h4 {
        font-size: 1.4rem;
        color: var(--white);
        margin-bottom: 12px;
    }

    .subsidiary-card h5 {
        font-size: 0.9rem;
        color: var(--accent-gold);
        margin-bottom: 20px;
        font-weight: 500;
    }

    .subsidiary-card p {
        color: var(--text-muted);
        font-size: 0.95rem;
        line-height: 1.7;
    }

    /* Contact Section */
    .contact-section {
        padding: 100px 0;
        background-color: var(--secondary-blue);
        border-top: 1px solid rgba(255,255,255,0.05);
    }

    .contact-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 40px;
        max-width: 1000px;
        margin: 0 auto;
    }

    .contact-box h4 {
        color: var(--white);
        font-size: 1.2rem;
        margin-bottom: 24px;
        position: relative;
        padding-bottom: 12px;
    }

    .contact-box h4::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 30px;
        height: 2px;
        background-color: var(--accent-gold);
    }

    .contact-list li {
        margin-bottom: 16px;
        display: flex;
        align-items: center;
    }

    .contact-list li a {
        color: var(--text-muted);
        font-size: 0.95rem;
        display: flex;
        align-items: center;
    }

    .contact-list li a:hover {
        color: var(--accent-gold);
    }

    .contact-list span.icon {
        color: var(--accent-gold);
        margin-right: 12px;
        font-weight: bold;
    }

    /* Footer */
    footer {
        background-color: var(--primary-blue);
        padding: 30px 0;
        text-align: center;
        border-top: 1px solid rgba(255,255,255,0.05);
    }

    footer p {
        color: var(--text-muted);
        font-size: 0.9rem;
    }

    /* Responsive */
    @media (max-width: 768px) {
        .hero h1 {
            font-size: 2.8rem;
        }
        .nav-links {
            display: none; /* simple hidden nav for mobile */
        }
        .about-content {
            text-align: left;
        }
    }