/* =========================================
   2. NAVIGATION & SEARCH
========================================= */
.main-nav {
    background-color: var(--bg-white);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 75px; 
    width: auto;
    display: block;
}

.search-form {
    display: flex;
    align-items: center;
    background: var(--bg-blue-grey);
    border: 1px solid var(--border-subtle);
    border-radius: 50px;
    padding: 5px 5px 5px 20px;
    width: 100%;
    max-width: 400px;
    transition: box-shadow 0.3s ease;
}

.search-form:focus-within {
    box-shadow: 0 0 0 2px rgba(255, 102, 0, 0.2);
    border-color: var(--brand-orange);
}

.search-input {
    border: none;
    background: transparent;
    outline: none;
    flex-grow: 1;
    font-size: 1rem;
    color: var(--text-main);
}

.search-btn {
    background-color: var(--brand-navy);
    color: white;
    border: none;
    border-radius: 40px;
    padding: 10px 25px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.search-btn:hover {
    background-color: var(--brand-orange);
}

@media (max-width: 768px) {
    .nav-container { 
        flex-direction: column; 
        gap: 15px; 
    } 
    .search-form { 
        max-width: 100%; 
    }
    .mobile-hidden {
        display: none;
    }
}