/* Base header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 68px;
    gap: 16px;
    padding: 5px 15px;
}

/* Desktop nav */
.nav-desktop .menu-main-menu {
    display: flex;
    gap: 24px;
    align-items: center;
}
.nav-desktop .menu-main-menu > li > a {
    display: block;
    padding: 10px 4px;
}

/* Burger */
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    background: transparent;
    position: relative;
}
.menu-toggle-bar {
    position: absolute;
    left: 10px;
    right: 10px;
    height: 2px;
    background: #777777;
    transition: 0.25s;
}
.menu-toggle-bar:nth-child(1) {
    top: 14px;
}
.menu-toggle-bar:nth-child(2) {
    top: 21px;
}
.menu-toggle-bar:nth-child(3) {
    top: 28px;
}

/* Mobile panel */
.mobile-nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(86vw, 380px);
    background: #fff;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.1);
    transform: translateX(100%);
    transition: transform 0.28s ease;
    z-index: 1002;
    display: flex;
    flex-direction: column;
}
.mobile-nav-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.mobile-nav .menu-close {
    border: 0;
    background: transparent;
    font-size: 22px;
    line-height: 1;
}
.mobile-nav .menu-main-menu {
    display: flex;
    flex-direction: column;
    padding: 8px 16px;
    gap: 2px;
    list-style: none;
}
.mobile-nav .menu-main-menu a {
    display: block;
    padding: 14px 8px;
    font-size: 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.mobile-contacts {
    margin-top: auto;
    padding: 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    display: grid;
    gap: 8px;
    font-size: 14px;
}
.mobile-contacts i {
    margin-right: 8px;
}

/* Backdrop */
.mobile-nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 1001;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.28s ease;
}

/* Open states */
body.nav-open {
    overflow: hidden;
    touch-action: none;
}
body.nav-open .mobile-nav {
    transform: translateX(0);
}
body.nav-open .mobile-nav-backdrop {
    opacity: 1;
    pointer-events: auto;
}

/* Burger X animation (опционально) */
body.nav-open .menu-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
body.nav-open .menu-toggle-bar:nth-child(2) {
    opacity: 0;
}
body.nav-open .menu-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Responsive */
@media (max-width: 1024px) {
    .nav-desktop {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
}