/**
 * Aspire Wellness - Header Layout
 */

/* ===== TOP BAR ===== */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: calc(var(--z-sticky) + 1);
    background-color: var(--secondary-charcoal);
    color: var(--neutral-white);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    transition: transform var(--transition-base);
}

.scrolled-past-topbar .top-bar {
    transform: translateY(-100%);
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.top-bar-contact {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--neutral-gray-300);
}

.top-bar-item:hover {
    color: var(--neutral-white);
}

.top-bar-item svg {
    width: 16px;
    height: 16px;
    color: var(--primary-coral);
}

.top-bar-social {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.top-bar-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: var(--neutral-gray-300);
    transition: color var(--transition-fast);
}

.top-bar-social a:hover {
    color: var(--primary-coral);
}

.top-bar-social svg {
    width: 18px;
    height: 18px;
}

@media (max-width: 767px) {
    .top-bar {
        display: none;
    }
}

/* ===== TOP BAR + STICKY HEADER OFFSET ===== */
.has-top-bar .site-header {
    top: 40px;
    transition: top var(--transition-base), background-color var(--transition-base), box-shadow var(--transition-base);
}

.has-top-bar.scrolled-past-topbar .site-header {
    top: 0;
}

@media (max-width: 767px) {
    .has-top-bar .site-header {
        top: 0;
    }
}

/* ===== HEADER SPACER ===== */
.header-spacer {
    height: 80px;
}

.has-top-bar .header-spacer {
    height: 120px;
}

@media (max-width: 767px) {
    .has-top-bar .header-spacer {
        height: 80px;
    }
}

/* ===== TRANSPARENT HEADER (For Hero Pages) ===== */
.transparent-header .site-header {
    background-color: transparent;
    box-shadow: none;
}

.transparent-header .site-header.scrolled {
    background-color: var(--neutral-white);
    box-shadow: var(--shadow-md);
}

/* Top-level nav links white on transparent header */
.transparent-header .site-header:not(.scrolled) .nav-menu > .nav-menu-item > .nav-menu-link {
    color: var(--neutral-white);
}

.transparent-header .site-header:not(.scrolled) .nav-menu > .nav-menu-item > .nav-menu-link:hover {
    color: var(--primary-coral);
    background-color: rgba(255, 255, 255, 0.1);
}

/* Dropdown links should always have dark text on white background */
.transparent-header .site-header:not(.scrolled) .sub-menu .nav-menu-link {
    color: var(--secondary-charcoal);
}

.transparent-header .site-header:not(.scrolled) .sub-menu .nav-menu-link:hover {
    background-color: var(--primary-coral-dark);
    color: var(--neutral-white);
}

.transparent-header .site-header:not(.scrolled) .site-title a {
    color: var(--neutral-white);
}

.transparent-header .site-header:not(.scrolled) .hamburger span {
    background-color: var(--neutral-white);
}

.transparent-header .site-header:not(.scrolled) .header-account-link,
.transparent-header .site-header:not(.scrolled) .header-cart-link {
    color: var(--neutral-white);
}

.transparent-header .site-header:not(.scrolled) .header-account-link:hover,
.transparent-header .site-header:not(.scrolled) .header-cart-link:hover {
    color: var(--primary-coral);
}

.transparent-header .site-header:not(.scrolled) .header-cta {
    background-color: var(--primary-coral);
    border-color: var(--primary-coral);
    color: var(--neutral-gray-800);
}

.transparent-header .site-header:not(.scrolled) .header-cta:hover {
    background-color: var(--primary-coral-dark);
    border-color: var(--primary-coral-dark);
}

/* Logo in transparent header */
.transparent-header .site-header:not(.scrolled) .site-logo img {
    filter: brightness(0) invert(1);
}

.transparent-header .site-header.scrolled .site-logo img {
    filter: none;
}

/* ===== STICKY HEADER ANIMATION ===== */
@keyframes headerSlideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

.site-header.sticky-animate {
    animation: headerSlideDown var(--transition-slow);
}

/* ===== HEADER SEARCH ===== */
.header-search {
    position: relative;
}

.header-search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--neutral-gray-600);
    transition: color var(--transition-fast);
}

.header-search-toggle:hover {
    color: var(--primary-coral);
}

.header-search-toggle svg {
    width: 20px;
    height: 20px;
}

.header-search-form {
    position: absolute;
    top: 100%;
    right: 0;
    width: min(300px, calc(100vw - 2rem));
    padding: var(--space-4);
    background-color: var(--neutral-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
}

.header-search.active .header-search-form {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ===== MEGA MENU ===== */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 90vw;
    max-width: 1000px;
    background-color: var(--neutral-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-8);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.nav-menu-item.has-mega-menu:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.mega-menu-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.mega-menu-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--neutral-gray-800);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding-bottom: var(--space-2);
    border-bottom: 2px solid var(--primary-coral);
    margin-bottom: var(--space-2);
}

.mega-menu-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--neutral-gray-600);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mega-menu-link:hover {
    background-color: var(--overlay-coral);
    color: var(--neutral-gray-800);
}

.mega-menu-link svg {
    width: 20px;
    height: 20px;
    color: var(--primary-coral);
}

.mega-menu-featured {
    background-color: var(--overlay-coral);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.mega-menu-featured-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
}

.mega-menu-featured-text {
    font-size: var(--text-sm);
    color: var(--neutral-gray-600);
    margin-bottom: var(--space-4);
}