/* ========================================
   Section: Header
   ======================================== */

.site-header {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 9999 !important;
    transition: transform 0.3s ease;
    transform: translateY(0);
}

.site-header.header-hidden  { transform: translateY(-100%); }
.site-header.header-visible { transform: translateY(0); }

#masthead.site-header {
    position: fixed !important;
    top: 0 !important;
    z-index: 9999 !important;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6px 20px;
    display: grid !important;
    grid-template-columns: auto 1fr auto !important;
    align-items: center !important;
    min-height: 45px;
    gap: 20px !important;
    position: relative !important;
    z-index: 10 !important;
}

/* Branding */
.site-branding {
    display: flex;
    align-items: center;
    justify-self: start;
    width: auto;
    height: 100%;
}

.site-branding img,
.site-branding .custom-logo { max-width: 80px; height: auto; display: block; }

.site-branding .custom-logo-link { display: flex; align-items: center; height: 100%; }

.site-branding h1,
.site-branding .site-title {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--text-dark);
    white-space: nowrap;
    letter-spacing: -0.02em;
    line-height: 1;
    display: flex;
    align-items: center;
}

.site-branding .site-title a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

.site-branding .site-title a:hover { color: var(--primary-color); }

/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    justify-self: center;
    height: 100%;
}

.main-navigation ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 32px;
    align-items: center;
    height: 100%;
    white-space: nowrap;
}

.main-navigation li {
    position: relative;
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.main-navigation a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    font-family: var(--font-primary);
    padding: 8px 16px;
    transition: all 0.3s ease;
    position: relative;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.main-navigation a:hover {
    color: var(--primary-color);
    background: rgba(56, 118, 183, 0.06);
    border-radius: 6px;
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.main-navigation a:hover::after { width: 100%; }

/* CTA Button */
.header-cta {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    justify-self: end;
    gap: 16px;
    height: 100%;
}

.header-btn {
    background: var(--primary-color);
    color: white;
    padding: 8px 20px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    font-family: var(--font-primary);
    transition: all 0.3s ease;
    white-space: nowrap;
    display: flex;
    align-items: center;
}

.header-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(56, 118, 183, 0.3);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
}

body { padding-top: 90px !important; }

/* Storefront overrides */
.storefront-primary-navigation { background: none !important; border: none !important; }
.site-header .col-full { max-width: none !important; padding: 0 !important; }

.woocommerce-active .site-header .site-branding,
.site-header .site-branding,
.woocommerce-active .site-header .main-navigation,
.site-header .main-navigation {
    width: auto !important;
    float: none !important;
    margin-right: 0 !important;
    clear: none !important;
}

.secondary-navigation,
.site-search,
.site-header-cart,
.storefront-primary-navigation,
.site-header .col-full > *:not(.header-container) {
    display: none !important;
}

.site-content, .content-area, #primary, .site-main {
    position: relative !important;
    top: 0 !important;
    margin-top: 0 !important;
    transform: none !important;
}

.home .site-content, .home .content-area, .home #primary, .home .site-main {
    margin-top: 0 !important;
    padding-top: 0 !important;
}

.bioalign-landing .hero-section, .home .hero-section {
    position: relative !important;
    top: 0 !important;
    margin-top: 0 !important;
    transform: translateY(0) !important;
}

/* Responsive */
@media (max-width: 1024px) {
    .header-container { gap: 15px; }
    .main-navigation ul { gap: 24px; }
    .main-navigation a { font-size: 0.95rem; padding: 6px 14px; }
}

@media (max-width: 768px) {
    body { padding-top: 80px !important; }

    .header-container {
        min-height: 40px;
        padding: 6px 15px;
        grid-template-columns: auto auto !important;
        gap: 10px !important;
    }

    .main-navigation {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        padding: 20px;
        grid-column: 1 / -1;
        height: auto;
    }

    .main-navigation.active { display: flex; }

    .main-navigation ul {
        flex-direction: column;
        gap: 16px;
        width: 100%;
        height: auto;
    }

    .main-navigation li, .main-navigation a { height: auto; white-space: normal; }
    .mobile-menu-toggle { display: block; }
    .site-branding h1, .site-branding .site-title { font-size: 1.5rem; }
    .site-branding img, .site-branding .custom-logo { max-width: 80px !important; }
    .header-btn { padding: 8px 16px; font-size: 0.85rem; }
    .header-cta { justify-self: end; height: auto; }
}