/* =============================================
   MOBILE NAV BAR (under header, mobile only)
   ============================================= */
.mobile-nav-bar {
    display: none;
    background: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border);
}
.mobile-nav-bar .container {
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Catalog toggle button */
.mob-catalog-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 11px 14px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-main);
    cursor: pointer;
    text-align: left;
}
.mob-catalog-btn svg { flex-shrink: 0; }
.mob-catalog-btn span { flex: 1; }
.mob-catalog-btn__arrow {
    transition: transform 0.25s ease;
}
.mob-catalog-btn[aria-expanded="true"] .mob-catalog-btn__arrow {
    transform: rotate(180deg);
}
.mob-catalog-btn[aria-expanded="true"] {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

/* Catalog dropdown */
.mob-catalog-dropdown {
    display: none;
    flex-direction: column;
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    overflow: hidden;
}
.mob-catalog-dropdown.open { display: flex; }

.mob-catalog-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    text-decoration: none;
    transition: background var(--transition), color var(--transition);
}
.mob-catalog-item:last-child { border-bottom: none; }
.mob-catalog-item:hover {
    background: var(--color-bg-light);
    color: var(--color-primary);
}
.mob-catalog-item svg { color: var(--color-text-muted); flex-shrink: 0; }

/* Price button */
.mob-price-btn {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    padding: 10px 14px;
    background: transparent;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: background var(--transition), color var(--transition);
}
.mob-price-btn:hover {
    background: var(--color-primary);
    color: #fff;
}
.mob-price-btn svg { flex-shrink: 0; }

/* =============================================
   BURGER DRAWER (right side overlay)
   ============================================= */
.burger-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 320px;
    max-width: 90vw;
    height: 100vh;
    background: var(--color-bg-white);
    z-index: 3000;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
}
.burger-drawer.open {
    transform: translateX(0);
}

.burger-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.burger-drawer-overlay.visible {
    opacity: 1;
    pointer-events: all;
}

/* Drawer inner */
.burger-drawer__inner {
    display: flex;
    flex-direction: column;
    gap: 0;
    min-height: 100%;
    padding-bottom: 24px;
}

/* Head */
.burger-drawer__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}
.burger-drawer__logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}
.burger-drawer__logo img,
.burger-drawer__logo .custom-logo {
    height: 40px !important;
    width: auto !important;
}
.burger-drawer__close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text);
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}
.burger-drawer__close:hover { background: var(--color-bg-light); }

/* Nav */
.burger-drawer__nav { flex-shrink: 0; }
.burger-drawer__menu {
    list-style: none;
    margin: 0;
    padding: 8px 0;
}
.burger-drawer__menu li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition), color var(--transition);
}
.burger-drawer__menu li:last-child a { border-bottom: none; }
.burger-drawer__menu li a:hover {
    background: var(--color-bg-light);
    color: var(--color-primary);
}
.burger-drawer__menu li a svg { color: var(--color-text-muted); flex-shrink: 0; }

/* Divider */
.burger-drawer__divider {
    height: 1px;
    background: var(--color-border);
    margin: 8px 0;
    flex-shrink: 0;
}

/* Contacts */
.burger-drawer__contact {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 20px;
    text-decoration: none;
    color: var(--color-text);
    transition: background var(--transition);
}
.burger-drawer__contact:hover { background: var(--color-bg-light); }
.burger-drawer__contact svg {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}
.burger-drawer__contact strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
}
.burger-drawer__contact span {
    display: block;
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 1px;
}

/* CTA buttons */
.burger-drawer__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 6px 20px 0;
    padding: 13px 20px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-main);
    text-decoration: none;
    transition: background var(--transition), box-shadow var(--transition);
    cursor: pointer;
    border: none;
}
.burger-drawer__btn--primary {
    background: var(--color-primary);
    color: #fff;
}
.burger-drawer__btn--primary:hover {
    background: var(--color-primary-dark);
    color: #fff;
}
.burger-drawer__btn--secondary {
    background: var(--color-bg-light);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}
.burger-drawer__btn--secondary:hover {
    background: var(--color-border);
}
.burger-drawer__btn svg { flex-shrink: 0; }

/* Social links */
.burger-drawer__social {
    display: flex;
    gap: 10px;
    padding: 16px 20px 0;
    margin-top: auto;
}
.burger-drawer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    transition: transform var(--transition), opacity var(--transition);
    flex-shrink: 0;
}
.burger-drawer__social-link:hover { transform: translateY(-2px); opacity: 0.85; }
.burger-drawer__social-link--wa  { background: #25D366; color: #fff; }
.burger-drawer__social-link--tg  { background: #2CA5E0; color: #fff; }
.burger-drawer__social-link--vk  { background: #4C75A3; color: #fff; }

/* =============================================
   SHOW/HIDE LOGIC
   ============================================= */
@media (max-width: 768px) {
    .mobile-nav-bar {
        display: block;
        overflow: hidden;
        transition: max-height 0.25s ease, opacity 0.25s ease, padding 0.25s ease;
        max-height: 300px;
        opacity: 1;
    }
    .mobile-nav-bar.hidden {
        max-height: 0 !important;
        opacity: 0 !important;
        padding-top: 0 !important;
        padding-bottom: 0 !important;
        pointer-events: none !important;
    }
    .mobile-nav-bar.hidden .container {
        padding-top: 0 !important;
        padding-bottom: 0 !important;
    }

    /* Hide desktop catalog button in header on mobile */
    .header-catalog-btn { display: none !important; }
}

@media (min-width: 769px) {
    .mobile-nav-bar  { display: none !important; }
    .burger-drawer   { display: none !important; }
    .burger-drawer-overlay { display: none !important; }
}