body {
        margin: 0;
        background-color: #f8f9fa;
        font-family: Arial, sans-serif;
    }

    .top-space {
        height: 26px;
        background-color: var(--darkBlue);
    }

    /* ==========================
           HEADER
        ========================== */

    .main-header {
        background: var(--grey);
        border-bottom: 1px solid #e5e5e5;
        position: sticky;
        top: 0;
        z-index: 1000;
        min-height: 70px;
    }

    .navbar-menu {
        margin-left: 60px;
    }

    .navbar-brand {
        font-size: 24px;
        font-weight: 700;
        color: #198754;
    }

    .navbar-brand:hover {
        color: #157347;
    }

    .nav-link {
        color: var(--darkBlue);
        transition: 0.3s ease;
        font-weight: 500;
        margin: 0 5px;
    }

    .nav-link:hover {
        color: var(--darkBlue);
        font-weight: 700;
        border-bottom: 3px solid var(--darkBlue);
    }

    /* .btn-login {
        border: 1px solid #198754;
        color: #198754;
        border-radius: 8px;
        padding: 8px 18px;
        font-weight: 600;
    }

    .btn-login:hover {
        background: #198754;
        color: #ffffff;
    }

    .btn-register {
        background: #198754;
        color: #ffffff;
        border-radius: 8px;
        padding: 8px 18px;
        font-weight: 600;
    }

    .btn-register:hover {
        background: #157347;
        color: #ffffff;
    } */

    /* ==========================
           BANNER
        ========================== */

    .banner-section {
        width: 100%;
        margin: 0;
    }

    .banner {
        position: relative;
        width: 100%;
        height: 550px;
        overflow: hidden;
    }

    .banner img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .banner-overlay {
        position: absolute;
        inset: 0;
        background: rgba(0, 0, 0, 0.12);
        display: flex;
        align-items: center;
    }

    .banner-content {
        color: #ffffff;
        max-width: 600px;
    }

    .banner-content h1 {
        font-size: 48px;
        font-weight: 700;
        margin-bottom: 15px;
    }

    .banner-content p {
        font-size: 18px;
        margin-bottom: 25px;
    }

    .btn-banner {
        background: var(--darkBlue);
        color: white;
        padding: 14px 25px;
        border-radius: 8px;
        font-weight: 400;
        font-size: 16px;
        text-decoration: none;
        display: inline-block;
        
    }

    .btn-banner:hover {
        background-color: #0b3d91;
        color: white;
    }

    /* ==========================
           MOBILE
        ========================== */

    @media (max-width: 768px) {

        .banner {
            height: 300px;
        }

        .banner-content h1 {
            font-size: 32px;
        }

        .banner-content p {
            font-size: 15px;
        }

        .banner-content {
            padding: 20px;
        }
    }