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

    :root {
        --primary-color: #0a2463;
        --secondary-color: #1a5490;
        --accent-color: #247ba0;
        --light-color: #f8f9fa;
        --dark-color: #1a1a1a;
        --text-color: #333333;
        --border-color: #e0e0e0;
        --success-color: #28a745;
    }

    html {
        scroll-behavior: smooth;
    }

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

    /* Header & Navigation */
    header {
        background-color: var(--primary-color);
        color: white;
        padding: 1rem 0;
        position: sticky;
        top: 0;
        z-index: 1000;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

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

    nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .logo-section {
        display: flex;
        align-items: center;
        gap: 1rem;
    }

    .logo-placeholder {
        width: 50px;
        height: 50px;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: bold;
        font-size: 0.8rem;
        text-align: center;
        padding: 0.5rem;
    }

    .brand-name {
        font-size: 1.5rem;
        font-weight: 700;
        letter-spacing: 0.5px;
    }

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

    .nav-links a {
        color: white;
        text-decoration: none;
        font-weight: 500;
        transition: color 0.3s ease;
        font-size: 0.95rem;
    }

    .nav-links a:hover {
        color: #64b5f6;
    }

    .nav-toggle {
        display: none;
        background: none;
        border: none;
        color: white;
        font-size: 1.5rem;
        cursor: pointer;
    }

    /* Hero Section */
    .hero {
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
        color: white;
        padding: 6rem 2rem;
        text-align: center;
    }

    .hero-content {
        max-width: 800px;
        margin: 0 auto;
    }

    .hero h1 {
        font-size: 3.5rem;
        font-weight: 700;
        margin-bottom: 1rem;
        line-height: 1.2;
    }

    .hero .tagline {
        font-size: 1.3rem;
        margin-bottom: 2rem;
        color: #b3e5fc;
        font-weight: 500;
    }

    .hero p {
        font-size: 1.1rem;
        margin-bottom: 2rem;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.95);
    }

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

    .btn {
        padding: 0.75rem 2rem;
        border: none;
        border-radius: 6px;
        font-size: 1rem;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.3s ease;
        text-decoration: none;
        display: inline-block;
    }

    .btn-primary {
        background-color: #64b5f6;
        color: var(--primary-color);
    }

    .btn-primary:hover {
        background-color: #90caf9;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(100, 181, 246, 0.3);
    }

    .btn-secondary {
        background-color: transparent;
        color: white;
        border: 2px solid white;
    }

    .btn-secondary:hover {
        background-color: rgba(255, 255, 255, 0.1);
        transform: translateY(-2px);
    }

    /* About Section */
    .about {
        padding: 5rem 2rem;
        background-color: var(--light-color);
    }

    .section-title {
        font-size: 2.5rem;
        color: var(--primary-color);
        margin-bottom: 1rem;
        text-align: center;
        font-weight: 700;
    }

    .section-subtitle {
        text-align: center;
        color: var(--accent-color);
        font-size: 1.2rem;
        margin-bottom: 3rem;
        font-weight: 500;
    }

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

    .about-content p {
        font-size: 1rem;
        line-height: 1.8;
        margin-bottom: 1.5rem;
        text-align: justify;
        color: #555;
    }

    /* Focus Areas */
    .focus-areas {
        padding: 5rem 2rem;
        background-color: white;
    }

    .areas-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 2rem;
        max-width: 1200px;
        margin: 0 auto;
    }

    .area-card {
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
        color: white;
        padding: 2rem;
        border-radius: 10px;
        text-align: center;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .area-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 12px 20px rgba(10, 36, 99, 0.2);
    }

    .area-card h3 {
        font-size: 1.3rem;
        margin-bottom: 0.5rem;
        font-weight: 600;
    }

    /* Subsidiaries Section */
    .subsidiaries {
        padding: 5rem 2rem;
        background-color: var(--light-color);
    }

    .subsidiaries-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
        max-width: 1200px;
        margin: 0 auto;
    }

    .subsidiary-card {
        background: white;
        padding: 2rem;
        border-radius: 10px;
        border-left: 5px solid var(--accent-color);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
        transition: all 0.3s ease;
    }

    .subsidiary-card:hover {
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
        transform: translateY(-4px);
    }

    .subsidiary-card h3 {
        color: var(--primary-color);
        font-size: 1.3rem;
        margin-bottom: 0.5rem;
        font-weight: 600;
    }

    .subsidiary-card p {
        color: #666;
        line-height: 1.6;
    }

    /* Contact Section */
    .contact {
        padding: 5rem 2rem;
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
        color: white;
    }

    .contact-content {
        max-width: 1200px;
        margin: 0 auto;
    }

    .contact-title {
        font-size: 2.5rem;
        color: white;
        margin-bottom: 1rem;
        text-align: center;
        font-weight: 700;
    }

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

    .contact-group {
        background: rgba(255, 255, 255, 0.1);
        padding: 2rem;
        border-radius: 10px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
    }

    .contact-group h3 {
        font-size: 1.3rem;
        margin-bottom: 1.5rem;
        font-weight: 600;
        border-bottom: 2px solid #64b5f6;
        padding-bottom: 0.5rem;
    }

    .contact-group ul {
        list-style: none;
    }

    .contact-group li {
        margin-bottom: 1rem;
        font-size: 0.95rem;
    }

    .contact-group a {
        color: #b3e5fc;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .contact-group a:hover {
        color: white;
        text-decoration: underline;
    }

    /* Footer */
    footer {
        background-color: var(--dark-color);
        color: white;
        text-align: center;
        padding: 2rem;
        font-size: 0.9rem;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .nav-links {
            display: none;
            position: absolute;
            top: 70px;
            left: 0;
            right: 0;
            flex-direction: column;
            background-color: var(--primary-color);
            padding: 1rem;
            gap: 0;
        }

        .nav-links.active {
            display: flex;
        }

        .nav-links li {
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .nav-toggle {
            display: block;
        }

        .hero h1 {
            font-size: 2.5rem;
        }

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

        .section-title {
            font-size: 2rem;
        }

        .cta-buttons {
            flex-direction: column;
        }

        .btn {
            width: 100%;
        }

        .contact-grid {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 480px) {
        .container {
            padding: 0 1rem;
        }

        .hero {
            padding: 3rem 1rem;
        }

        .hero h1 {
            font-size: 2rem;
        }

        .section-title {
            font-size: 1.5rem;
        }

        .about-content p {
            text-align: left;
        }
    }

    /* Smooth Transitions */
    a, button {
        transition: all 0.3s ease;
    }

    /* Scroll to Top Button */
    .scroll-to-top {
        position: fixed;
        bottom: 2rem;
        right: 2rem;
        background-color: var(--primary-color);
        color: white;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        display: none;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        z-index: 999;
        font-size: 1.5rem;
    }

    .scroll-to-top:hover {
        background-color: var(--secondary-color);
        transform: translateY(-3px);
    }

    .scroll-to-top.show {
        display: flex;
    }