        :root {
            --primary-blue: #003366;
            --accent-green: #a8d5ba;
            --light-gray: #f4f7f6;
            --text-dark: #333;
            --white: #fff;
        }

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

        body {
            background: var(--light-gray);
            color: var(--text-dark);
            line-height: 1.7;
        }

        /* ===== RESPONSIVE NAVBAR ===== */

        .navbar {
            padding: 1rem 8%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #ffffff;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
        }

        .nav-logo img {
            height: 54px;
        }

        /* Desktop Menu */
        .nav-links {
            list-style: none;
            display: flex;
            gap: 1.6rem;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--primary-blue);
            font-weight: 600;
            transition: color 0.2s ease;
        }

        .nav-links a:hover {
            color: #002244;
        }

        /* Hamburger */
        .menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
        }

        .menu-toggle span {
            height: 3px;
            width: 26px;
            background: var(--primary-blue);
            margin: 4px 0;
            border-radius: 2px;
        }

        /* Mobile */
        @media (max-width: 900px) {
            .menu-toggle {
                display: flex;
            }

            .nav-links {
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #ffffff;
                flex-direction: column;
                align-items: center;
                gap: 1.2rem;
                padding: 22px 0;
                display: none;
                box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
            }

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


        /* ===== HERO ===== */
        .about-hero {
            background: linear-gradient(135deg, #003366, #002244);
            color: #fff;
            padding: 130px 8% 90px;
            text-align: center;
        }

        .about-hero h1 {
            font-size: 3rem;
            margin-bottom: 12px;
        }

        .about-hero p {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 800px;
            margin: auto;
        }

        /* ===== CONTENT SECTIONS ===== */
        .about-section {
            padding: 80px 8%;
            max-width: 1100px;
            margin: auto;
        }

        .about-section h2,
        .about-section h3 {
            color: var(--primary-blue);
            margin-bottom: 18px;
        }

        .about-section p {
            color: #555;
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .alt-bg {
            background: #fff;
            border-radius: 20px;
            margin-top: 40px;
        }

        .about-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 25px;
        }

        .about-list {
            padding-left: 20px;
            color: #555;
        }

        .about-list li {
            margin-bottom: 10px;
        }

        /* ===== TEAM ===== */
        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }

        .team-card {
            background: #fff;
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
            text-align: center;
        }

        .team-card i {
            font-size: 2.2rem;
            color: var(--primary-blue);
            margin-bottom: 12px;
        }

        /* ===== HIGHLIGHT ===== */
        .highlight {
            background: linear-gradient(135deg, #eef3f8, #f7fafc);
            border-radius: 20px;
            text-align: center;
        }

        /* ===== FOOTER ===== */

        .site-footer {
            background: #0f2f57;
            color: #ffffff;
            padding: 60px 8% 30px;
            position: relative;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }

        .footer-col h4 {
            font-size: 1.1rem;
            margin-bottom: 15px;
            color: #ffffff;
        }

        .footer-col p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: #a8d5ba;
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.3s ease;
        }

        .footer-col ul li a:hover {
            color: #ffffff;
            text-decoration: underline;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.85);
        }

        .footer-contact i {
            color: #a8d5ba;
        }

        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 15px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
        }

        /* Back to top button */
        .back-to-top {
            position: absolute;
            right: 25px;
            bottom: 25px;
            background: #a8d5ba;
            color: #003366;
            border: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 1.2rem;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s ease;
        }

        .back-to-top:hover {
            transform: translateY(-5px);
        }

        /* Responsive */
        @media (max-width: 600px) {
            .site-footer {
                padding: 40px 6% 25px;
            }

            .back-to-top {
                right: 15px;
                bottom: 15px;
            }
        }