/* ===================================================================
   MODULE: HEADER
====================================================================== */

.header {
    background: var(--white);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    padding-top: 5px;
}

.logo img {
    max-height: 90px;
    width: auto;
    display: block;
}

.main-nav {
    display: block;
}

.main-nav ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.main-nav ul li {
    margin-left: 30px;
}

.main-nav ul li a {
    color: var(--text-grey);
    font-weight: 600;
    transition: color 0.3s ease;
}

.main-nav ul li a:hover,
.main-nav ul li a.active {
    color: var(--primary-blue);
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--primary-blue);
    cursor: pointer;
}

/* === RESPONSIVE STYLES === */
@media (max-width: 768px) {
    
    .header .container {
        position: relative;
    }

    .logo {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        padding-top: 5px;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }

    .main-nav.is-open {
        display: block; 
    }

    .main-nav.is-open ul {
        flex-direction: column;
    }

    .main-nav.is-open ul li {
        margin: 0;
        text-align: center;
    }

    .main-nav.is-open ul li a {
        display: block;
        padding: 15px;
        border-bottom: 1px solid #eee;
    }
    
    .mobile-nav-toggle {
        display: block;
        position: absolute;
        top: 28px; 
        right: 20px;
        z-index: 1100;
    }
}