/* ============================================================
   BobCAD-CAM Support Site — Navigation Styles
   Created: 06/04/2026
   ============================================================ */

/* --- Site Header --- */
.site-header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-bobcad-grey);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--box-shadow);
}

.header-container {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    flex-wrap: wrap;
}

/* --- Logo --- */
.site-logo img {
    max-width: 200px;
    height: auto;
    display: block;
}

/* --- Primary Navigation --- */
.site-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: var(--spacing-md);
    flex: 1;
}

.site-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: 0;
    padding: 0;
    flex: 0 1 auto;
}

.site-nav li {
    position: relative;
}

.site-nav a {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-bold);
    font-size: 15px;
    color: var(--color-charcoal);
    padding: var(--spacing-xs) var(--spacing-sm);
    display: block;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus {
    color: var(--color-bobcad-blue);
    background-color: rgba(0, 93, 170, 0.05);
    border-radius: var(--border-radius);
}

.site-nav a.active {
    color: var(--color-bobcad-blue);
}

/* --- Mobile Menu Toggle --- */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--color-charcoal);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* --- Search Bar --- */
.header-search {
    float: right;
    clear: both;
    width: 100%;
    text-align: right;
    padding-top: var(--spacing-xs);
}

.header-search form {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.search-input {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-bobcad-grey);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 14px;
    width: 450px;
    transition: border-color 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--color-bobcad-blue);
}

.search-button {
    background-color: var(--color-bobcad-blue);
    color: var(--color-white);
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-family: var(--font-primary);
    font-weight: var(--font-weight-bold);
    font-size: 14px;
    transition: background-color 0.2s ease;
}

.search-button:hover,
.search-button:focus {
    background-color: var(--color-navy-dark);
}

/* --- Mobile Navigation (Hidden by Default) --- */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .site-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        border-top: 1px solid var(--color-bobcad-grey);
        box-shadow: var(--box-shadow);
        flex-direction: column;
    }

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

    .site-nav ul {
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-sm) 0;
        width: 100%;
    }

    .site-nav li {
        width: 100%;
    }

    .site-nav a {
        padding: var(--spacing-sm) var(--spacing-md);
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .header-search {
        margin-left: 0;
        padding: var(--spacing-sm) var(--spacing-md);
        flex-basis: auto;
        justify-content: stretch;
        width: 100%;
    }

    .header-search form {
        display: flex;
        gap: var(--spacing-xs);
        width: 100%;
    }

    .search-input {
        flex: 1;
        min-width: 0;
        width: auto;
    }

    .search-button {
        flex-shrink: 0;
    }
}