.navbar-header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    border-bottom: 1.5px solid transparent;
}

/* Hide navbar completely on scroll down */
.navbar-header.navbar-hidden {
    transform: translateY(-100%);
}

.navbar-main {
    background-color: var(--color-pure-white);
    height: 80px;
    display: flex;
    align-items: center;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    border-bottom: 1.5px solid var(--color-border-grey);
}

.navbar-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    width: 100%;
    height: 100%;
}

/* 1. Left actions block */
.navbar-left-actions {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.navbar-menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-12);
    padding: var(--spacing-8) 0;
    color: var(--color-ink-black);
    transition: color 0.3s ease;
}

.navbar-menu-toggle:hover {
    color: var(--color-signal-red);
}

.menu-hamburger-icon {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 20px;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: currentColor;
    transition: background-color 0.3s ease;
}

.menu-label {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.navbar-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease;
}

.navbar-logo-img {
    height: 79px;
    max-height: 100%;
    object-fit: contain;
    display: block;
}

/* 3. Right: Action icons */
.navbar-icons {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-4);
}

.navbar-icon-btn {
    position: relative;
    background: none;
    border: none;
    color: var(--color-ink-black);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-8);
    transition: color 0.3s ease;
    cursor: pointer;
}

.navbar-icon-btn:hover {
    color: var(--color-signal-red);
}

.navbar-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background-color: var(--color-signal-red);
    color: var(--color-pure-white);
    font-size: 9px;
    font-weight: 700;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* Transparent homepage overlay styles */
.navbar-header.navbar-transparent-overlay {
    position: absolute;
}

.navbar-header.navbar-transparent-overlay .navbar-main {
    background-color: transparent;
    border-bottom: 1.5px solid rgba(255, 255, 255, 0.1);
}

.navbar-header.navbar-transparent-overlay:not(.navbar-scrolled) .navbar-logo,
.navbar-header.navbar-transparent-overlay:not(.navbar-scrolled) .navbar-menu-toggle,
.navbar-header.navbar-transparent-overlay:not(.navbar-scrolled) .navbar-icon-btn {
    color: var(--color-pure-white);
}

/* Scrolled state transition class */
.navbar-header.navbar-scrolled {
    position: fixed;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    border-bottom-color: var(--color-border-grey);
}

.navbar-header.navbar-scrolled .navbar-main {
    background-color: var(--color-pure-white);
    height: 72px;
    /* slightly smaller height on scroll */
    border-bottom-color: var(--color-border-grey);
}

.navbar-header.navbar-scrolled .navbar-logo,
.navbar-header.navbar-scrolled .navbar-menu-toggle,
.navbar-header.navbar-scrolled .navbar-icon-btn {
    color: var(--color-ink-black);
}

/* 4. Left slide-out drawer */
.slide-out-panel.left-panel {
    left: 0;
    right: auto;
    transform: translateX(-100%);
}

.slide-out-panel.left-panel.active {
    transform: translateX(0);
}

.slide-menu-header {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: var(--spacing-24) var(--spacing-32);
    border-bottom: 1.5px solid var(--color-border-grey);
}

.slide-menu-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-8);
    color: var(--color-ink-black);
    transition: color 0.3s ease;
}

.slide-menu-close:hover {
    color: var(--color-signal-red);
}

.slide-menu-body {
    padding: var(--spacing-32) var(--spacing-32) 48px;
    height: calc(100% - 80px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow-y: auto;
}

.slide-menu-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-20);
}

.slide-menu-links li a {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    color: var(--color-ink-black);
    text-decoration: none;
    transition: color 0.2s ease, padding-left 0.2s ease;
    display: inline-block;
}

.slide-menu-links li a:hover {
    color: var(--color-signal-red);
    padding-left: var(--spacing-8);
}

.menu-divider {
    border: none;
    border-top: 1.5px solid var(--color-border-grey);
    margin: var(--spacing-12) 0;
}

.slide-menu-links li:has(> a[href*="about"]),
.slide-menu-links li:has(> a[href*="contact"]),
.slide-menu-links li:has(> a[href*="wishlist"]),
.slide-menu-links li:has(> a[href*="account"]),
.slide-menu-links li:has(> a[href*="login"]) {
    margin-top: 0;
}

.slide-menu-links li:has(> a[href*="about"]) a,
.slide-menu-links li:has(> a[href*="contact"]) a,
.slide-menu-links li:has(> a[href*="wishlist"]) a,
.slide-menu-links li:has(> a[href*="account"]) a,
.slide-menu-links li:has(> a[href*="login"]) a {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.slide-menu-footer {
    margin-top: 48px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-24);
}

.slide-menu-socials {
    display: flex;
    gap: var(--spacing-20);
}

.social-text-link {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--color-ink-black);
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-text-link:hover {
    color: var(--color-signal-red);
}

.slide-menu-copyright {
    font-size: 10px;
    font-weight: 500;
    color: var(--color-secondary-text);
    letter-spacing: 0.05em;
}

.navbar-left-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-24);
    margin-left: var(--spacing-24);
}

.nav-link-item {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-ink-black);
    transition: color 0.3s ease;
    text-decoration: none;
}

.nav-link-item:hover {
    color: var(--color-signal-red);
}

/* Transparent overlay styles */
.navbar-header.navbar-transparent-overlay:not(.navbar-scrolled) .nav-link-item {
    color: var(--color-pure-white);
}

.navbar-header.navbar-scrolled .nav-link-item {
    color: var(--color-ink-black);
}

/* Black Drawer Panel Theme Overrides */
.slide-out-panel.left-panel {
    background-color: #000 !important;
    color: #fff !important;
}

.slide-out-panel.left-panel .slide-menu-close {
    color: #fff !important;
}

.slide-out-panel.left-panel .slide-menu-links li a {
    color: #fff !important;
}

.slide-out-panel.left-panel .slide-menu-links li a:hover {
    color: var(--color-signal-red) !important;
}

.slide-out-panel.left-panel .menu-divider {
    border-top-color: rgba(255, 255, 255, 0.15) !important;
}

.slide-out-panel.left-panel .social-text-link {
    color: #fff !important;
}

.slide-out-panel.left-panel .social-text-link:hover {
    color: var(--color-signal-red) !important;
}

.slide-out-panel.left-panel .slide-menu-copyright {
    color: rgba(255, 255, 255, 0.4) !important;
}

.slide-out-panel.left-panel .slide-menu-socials {
    display: flex;
    gap: var(--spacing-32);
}

.navbar-wishlist-counter-mobile {
    display: none !important;
    position: relative;
}

/* Mobile adjustments */
@media (max-width: 768px) {

    .navbar-login-btn-header,
    .navbar-wishlist-btn-header {
        display: none !important;
    }

    .navbar-wishlist-counter-mobile {
        display: flex !important;
    }

    .navbar-left-links {
        display: none;
    }

    .navbar-main {
        height: 72px;
    }

    .navbar-header.navbar-scrolled .navbar-main {
        height: 64px;
    }

    .navbar-logo-img {
        height: 38px;
    }

    .menu-label {
        display: none;
        /* hide label on small screens to fit layout */
    }

    .slide-menu-body {
        padding: var(--spacing-24) var(--spacing-24) var(--spacing-32);
    }

    .slide-menu-links li a {
        font-size: 20px;
    }
}

/* Layout spacing for non-transparent header pages to offset the fixed header */
body:not(.page-home):not(.page-product) main {
    margin-top: 80px;
}

@media (max-width: 768px) {
    body:not(.page-home):not(.page-product) main {
        margin-top: 72px;
        /* smaller header height on mobile */
    }
}

/* Hover transition for transparent navbar overlay */
.navbar-header.navbar-transparent-overlay:not(.navbar-scrolled):hover {
    background-color: var(--color-pure-white) !important;
    border-bottom-color: var(--color-border-grey) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03) !important;
}

.navbar-header.navbar-transparent-overlay:not(.navbar-scrolled):hover .navbar-main {
    background-color: var(--color-pure-white) !important;
    border-bottom-color: var(--color-border-grey) !important;
}

.navbar-header.navbar-transparent-overlay:not(.navbar-scrolled):hover .navbar-logo,
.navbar-header.navbar-transparent-overlay:not(.navbar-scrolled):hover .navbar-menu-toggle,
.navbar-header.navbar-transparent-overlay:not(.navbar-scrolled):hover .navbar-icon-btn,
.navbar-header.navbar-transparent-overlay:not(.navbar-scrolled):hover .nav-link-item {
    color: var(--color-ink-black) !important;
}

/* Force black navbar elements only on product page */
body.page-product .navbar-header.navbar-transparent-overlay:not(.navbar-scrolled) .navbar-logo,
body.page-product .navbar-header.navbar-transparent-overlay:not(.navbar-scrolled) .navbar-menu-toggle,
body.page-product .navbar-header.navbar-transparent-overlay:not(.navbar-scrolled) .navbar-icon-btn,
body.page-product .navbar-header.navbar-transparent-overlay:not(.navbar-scrolled) .nav-link-item {
    color: var(--color-ink-black) !important;
}

body.page-product .navbar-header.navbar-transparent-overlay:not(.navbar-scrolled) .navbar-main {
    border-bottom: 1.5px solid rgba(0, 0, 0, 0.08) !important;
}