.site-topbar {
    background: transparent;
    color: var(--color-dark);
    font-size: 0.85rem;
    padding: 0.4rem 0;
    border-bottom: 1px solid #e8e8e8;
}

.site-topbar__inner {
    display: flex;
    justify-content: flex-end;
}

.site-topbar__social {
    display: flex;
    gap: 1.2rem;
}

.site-topbar__social a {
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.2s;
}

.site-topbar__social a:hover {
    opacity: 1;
    text-decoration: none;
}

.site-header__main {
    background: var(--color-white);
    border-bottom: 1px solid #e8e8e8;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,.06);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    min-height: 80px;
    padding: 0.5rem 0;
}

.site-header__logo a {
    display: flex;
    align-items: center;
}

.site-header__logo img {
    height: 85px;
    width: auto;
}

.site-header__name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.site-nav__list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 0;
    margin: 0;
    padding: 0;
}

.site-nav__list > li {
    position: relative;
}

.site-nav__list > li > a {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem 0.9rem;
    color: var(--color-dark);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s;
    border-bottom: 2px solid transparent;
}

.site-nav__list > li > a:hover,
.site-nav__list > li.current-menu-item > a,
.site-nav__list > li.current-menu-parent > a {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    text-decoration: none;
}

.site-nav__list > li.menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform 0.2s;
}

.site-nav__list > li.menu-item-has-children:hover > a::after {
    transform: rotate(-135deg) translateY(-2px);
}

.site-nav__list .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-white);
    border: 1px solid #e8e8e8;
    border-top: 2px solid var(--color-primary);
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
    min-width: 200px;
    z-index: 200;
}

.site-nav__list li:hover > .sub-menu {
    display: block;
}

.site-nav__list .sub-menu li a {
    display: block;
    padding: 0.55rem 1.2rem;
    color: var(--color-dark);
    font-size: 0.9rem;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}

.site-nav__list .sub-menu li a:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
    text-decoration: none;
}

.site-nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    width: 40px;
    height: 40px;
}

.site-nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.site-nav__toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.site-nav__toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}
.site-nav__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 900px) {
    .site-topbar__social span { display: none; }

    .site-nav__toggle { display: flex; }

    .site-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        border-top: 1px solid #e8e8e8;
        box-shadow: 0 8px 24px rgba(0,0,0,.1);
        z-index: 99;
    }

    .site-nav.is-open { display: block; }

    .site-header__main { position: relative; }

    .site-nav__list {
        flex-direction: column;
        align-items: stretch;
        padding: 1rem 0;
    }

    .site-nav__list > li > a {
        border-bottom: 1px solid #f0f0f0;
        padding: 0.75rem 1.5rem;
    }

    .site-nav__list .sub-menu {
        display: block;
        position: static;
        border: none;
        box-shadow: none;
        border-top: none;
        background: #f9f9f9;
        padding: 0;
    }

    .site-nav__list .sub-menu li a {
        padding-left: 2.5rem;
        border-bottom: 1px solid #efefef;
    }
}