/* === Site Header === */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-white);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 121px;
    position: relative;
}

.header-nav-left .primary-menu {
    display: flex;
    gap: 25px;
}

.header-nav-left .primary-menu li a {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 300;
    color: #101010;
    transition: opacity 0.2s;
}

.header-nav-left .primary-menu li a:hover {
    opacity: 0.6;
}

.header-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.header-logo a {
    display: block;
}

.header-logo .custom-logo {
    height: 65px;
    width: auto;
}

.header-logo .site-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: #101010;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-action {
    display: flex;
    align-items: center;
    color: #101010;
    background: none;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s;
}

.header-action:hover {
    opacity: 0.6;
}

.header-support {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 300;
    color: #101010;
    margin-right: var(--spacing-xs);
}

.header-amazon-btn {
    display: block;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    overflow: hidden;
}

.header-amazon-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-black);
    transition: transform 0.3s, opacity 0.3s;
}

@media (max-width: 768px) {
    .header-inner {
        height: 64px;
        gap: 8px;
    }

    .menu-toggle {
        order: -1;
    }

    .header-nav-left {
        order: 0;
        flex: 0 0 auto;
    }

    .header-logo {
        order: 1;
        position: static;
        transform: none;
        left: auto;
        flex: 1 1 auto;
        text-align: center;
        min-width: 0;
    }

    .header-logo a {
        display: inline-block;
    }

    .header-actions {
        order: 2;
        flex: 0 0 auto;
    }

    .header-nav-left .primary-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--color-white);
        padding: var(--spacing-sm) 0;
        border-top: 1px solid var(--color-gray-light);
        border-bottom: 1px solid var(--color-gray-light);
        box-shadow: 0 12px 16px rgba(0, 0, 0, 0.08);
        max-height: calc(100vh - 64px);
        overflow-y: auto;
        z-index: 99;
    }

    .header-nav-left .primary-menu.is-open {
        display: flex;
    }

    .header-nav-left .primary-menu li {
        list-style: none;
        border-bottom: 1px solid var(--color-gray-light);
    }

    .header-nav-left .primary-menu li:last-child {
        border-bottom: none;
    }

    .header-nav-left .primary-menu li a {
        display: block;
        padding: 14px var(--container-padding, 1rem);
        font-size: 1rem;
    }

    .menu-toggle {
        display: flex;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
    }

    .menu-toggle.is-active .hamburger-line:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle.is-active .hamburger-line:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.is-active .hamburger-line:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .header-support,
    .header-search-toggle,
    .header-amazon-btn,
    .header-wishlist {
        display: none;
    }

    .header-actions {
        gap: 4px;
        width: 40px;
        justify-content: flex-end;
    }

    .header-action {
        min-width: 40px;
        min-height: 40px;
        justify-content: center;
    }

    .header-logo .custom-logo {
        height: 36px;
    }

    .header-logo .site-title {
        font-size: 1.2rem;
    }

    .header-amazon-btn {
        width: 36px;
        height: 36px;
    }
}