/* ═══════════════════════════════════════════════════════════════════
   ASBEK — Header CSS (Top Bar + Sticky Header + Mega Menu + Mobile)
   ═══════════════════════════════════════════════════════════════════ */

/* ─── Top Bar ───────────────────────────────────────────────────── */
.topbar {
    background: #0d0f11;
    border-bottom: 1px solid var(--border-dark);
    padding: 9px 0;
    width: 100%;
}
.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}
.topbar-left, .topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}
.topbar-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    font-weight: 500;
    color: #9ca3af;
    transition: var(--transition);
}
.topbar-link:hover { color: #fff; }
.topbar-info {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: #6b7280;
}
.topbar-sep { color: #374151; font-size: 12px; }

/* ─── Site Header ───────────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}
.site-header.scrolled {
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    gap: 16px;
    position: relative;
}

/* ─── Logo ──────────────────────────────────────────────────────── */
.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    text-decoration: none;
}
.logo-icon { flex-shrink: 0; display: flex; align-items: center; }
.logo-text-block { display: flex; flex-direction: column; gap: 1px; }
.logo-name {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: -0.04em;
    color: var(--bg-dark);
    line-height: 1;
}
.logo-dot { color: var(--accent); }
.logo-tagline {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.01em;
    line-height: 1;
}
/* Footer logo variant */
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    margin-bottom: 14px;
}
.footer-logo-text {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: -0.04em;
    color: #fff;
}

/* ─── Desktop Nav ───────────────────────────────────────────────── */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
    height: 100%;
}
.nav-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    position: relative;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
    white-space: nowrap;
}
.nav-link:hover { color: var(--bg-dark); background: #f3f4f6; }
.nav-link.active { color: var(--bg-dark); background: #f3f4f6; font-weight: 700; }
.nav-chevron { transition: transform 0.25s ease; flex-shrink: 0; }

/* ─── Dropdown Wrapper ──────────────────────────────────────────── */
.nav-item-dropdown {
    position: static;
    display: flex;
    align-items: center;
    height: 100%;
}
.nav-item-dropdown:hover .nav-chevron { transform: rotate(180deg); }

/* ─── Mega Menu ─────────────────────────────────────────────────── */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    background: var(--bg-white);
    border-top: 2px solid var(--bg-dark);
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 24px 64px rgba(0,0,0,0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 990;
}
/* Invisible hover bridge between trigger and mega menu */
.mega-menu::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
    height: 12px;
    background: transparent;
}
.nav-item-dropdown:hover .mega-menu,
.mega-menu:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.mega-menu-inner {
    display: grid;
    grid-template-columns: 1fr 250px;
    gap: 0;
    padding: 0;
}
.mega-heading {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 12px;
    padding: 20px 20px 0;
}
/* Categories column */
.mega-col-categories {
    padding: 0 0 20px;
    border-right: 1px solid var(--border-light);
    min-width: 0;
}
.mega-categories-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 3px 6px;
    padding: 0 16px 0 20px;
}
.mega-cat-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-dark);
    min-width: 0;
}
.mega-cat-link:hover { background: #f3f4f6; color: var(--bg-dark); }
.mega-cat-icon {
    width: 28px;
    height: 28px;
    background: #f3f4f6;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4b5563;
    flex-shrink: 0;
    transition: var(--transition);
}
.mega-cat-icon svg,
.mega-cat-icon [data-lucide] {
    width: 14px !important;
    height: 14px !important;
}
.mega-cat-link:hover .mega-cat-icon { background: var(--bg-dark); color: #fff; }
.mega-cat-name { flex: 1; font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 600; min-width: 0; }
.mega-cat-count { font-size: 11px; font-weight: 700; color: var(--accent); background: var(--accent-soft); padding: 2px 6px; border-radius: 10px; flex-shrink: 0; }

/* Featured column */
.mega-col-featured {
    padding: 0 0 20px;
    border-right: none;
    min-width: 0;
}
.mega-col-featured .mega-heading { padding: 20px 16px 0; }
.mega-services-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0 10px;
}
.mega-svc-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 12.5px;
    color: var(--text-muted);
    transition: var(--transition);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.mega-svc-link:hover { color: var(--accent); background: var(--accent-soft); }
.mega-all-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin: 8px 16px 16px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--accent);
}
.mega-all-link:hover { text-decoration: underline; }

/* CTA column */
.mega-col-cta {
    padding: 24px 24px;
}
.mega-cta-card {
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1c1f24 100%);
    border-radius: var(--radius-md);
    padding: 24px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.mega-cta-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}
.mega-cta-title {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}
.mega-cta-desc {
    font-size: 13px;
    color: var(--text-dark-muted);
    line-height: 1.5;
    margin-bottom: 16px;
}

/* ─── Header Actions ────────────────────────────────────────────── */
.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}
.header-phone {
    display: flex;
    align-items: center;
    gap: 7px;
    color: var(--bg-dark);
    text-decoration: none;
    white-space: nowrap;
}
.header-phone-icon {
    width: 28px;
    height: 28px;
    background: #f3f4f6;
    color: var(--bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}
.header-phone-icon svg,
.header-phone-icon [data-lucide] {
    width: 13px !important;
    height: 13px !important;
}
.header-phone:hover .header-phone-icon {
    background: var(--bg-dark);
    color: #fff;
}
.header-phone-number { font-size: 14px; font-weight: 800; line-height: 1.2; color: var(--bg-dark); white-space: nowrap; }
.header-phone-hint { font-size: 11px; color: var(--text-muted); font-weight: 500; }
.header-cta-btn { 
    display: flex;
    padding: 10px 18px;
    font-size: 14px;
}

/* ─── Mobile Toggle ─────────────────────────────────────────────── */
.mobile-toggle {
    display: none;
    background: none;
    cursor: pointer;
    padding: 8px;
    color: var(--bg-dark);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.mobile-toggle:hover { background: var(--bg-light); }

/* ─── Mobile Menu Overlay ───────────────────────────────────────── */
.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 1998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.mobile-overlay.active { opacity: 1; visibility: visible; }

/* ─── Mobile Menu ───────────────────────────────────────────────── */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(380px, 100vw);
    height: 100dvh;
    background: var(--bg-dark);
    z-index: 1999;
    display: flex;
    flex-direction: column;
    transition: right 0.32s cubic-bezier(0.16,1,0.3,1);
    box-shadow: var(--shadow-dark);
}
.mobile-menu.active { right: 0; }
.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-dark);
}
.mobile-close {
    background: none;
    color: #fff;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.mobile-close:hover { background: var(--bg-dark-hover); }
.mobile-menu-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 16px 0;
}
.mobile-nav { display: flex; flex-direction: column; }
.mobile-nav-link {
    display: flex;
    align-items: center;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    transition: var(--transition);
}
.mobile-nav-link:hover { color: var(--accent); background: var(--bg-dark-hover); }

/* Accordion */
.mobile-accordion {}
.mobile-accordion-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 14px 24px;
    background: none;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: var(--transition);
}
.mobile-accordion-trigger:hover { color: var(--accent); background: var(--bg-dark-hover); }
.mobile-acc-icon { transition: transform 0.25s ease; flex-shrink: 0; }
.mobile-accordion.open .mobile-acc-icon { transform: rotate(180deg); }
.mobile-accordion-body {
    display: none;
    flex-direction: column;
    background: rgba(0,0,0,0.25);
    padding: 6px 0;
}
.mobile-accordion.open .mobile-accordion-body { display: flex; }
.mobile-sub-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px 10px 36px;
    font-size: 14px;
    color: var(--text-dark-muted);
    transition: var(--transition);
}
.mobile-sub-link:hover { color: var(--accent); }
.mobile-sub-link--all { font-weight: 600; color: var(--accent); padding-left: 24px; margin-top: 4px; }

.mobile-menu-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border-dark);
}
.mobile-messengers { display: flex; gap: 10px; margin-top: 10px; }
.mobile-messenger-link {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    text-align: center;
}
.mobile-messenger-link.viber { background: rgba(123,66,165,0.2); color: #9b59b6; border: 1px solid rgba(123,66,165,0.3); }
.mobile-messenger-link.telegram { background: rgba(41,182,246,0.15); color: #29b6f6; border: 1px solid rgba(41,182,246,0.3); }

/* ─── Footer Styles ─────────────────────────────────────────────── */
.site-footer {
    background: var(--bg-dark);
    color: var(--text-dark-muted);
    padding: 80px 0 36px;
    border-top: 1px solid var(--border-dark);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3,1fr);
    gap: 44px;
    margin-bottom: 56px;
}
.footer-brand { max-width: 320px; }
.footer-desc {
    font-size: 14px;
    color: var(--text-dark-muted);
    line-height: 1.65;
    margin-bottom: 20px;
}
.footer-contacts { display: flex; flex-direction: column; gap: 12px; }
.footer-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
}
.footer-phone:hover { color: var(--accent); }
.footer-messengers { display: flex; gap: 10px; }
.footer-messenger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-dark-muted);
    padding: 6px 12px;
    background: var(--bg-dark-card);
    border: 1px solid var(--border-dark);
    border-radius: 20px;
    transition: var(--transition);
}
.footer-messenger:hover { color: #fff; border-color: rgba(255,255,255,0.2); }
.footer-col-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; }
.footer-links-list { display: flex; flex-direction: column; gap: 11px; }
.footer-link { font-size: 13px; color: var(--text-dark-muted); transition: var(--transition); }
.footer-link:hover { color: var(--accent); }
.footer-link--accent { color: #fff; font-weight: 700; }
.footer-info-item { display: flex; align-items: flex-start; gap: 7px; font-size: 13px; color: var(--text-dark-muted); }
.footer-bottom {
    padding-top: 28px;
    border-top: 1px solid var(--border-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
}

/* ─── Responsive Header ─────────────────────────────────────────── */
@media (max-width: 1100px) {
    .nav-menu, .header-phone, .header-cta-btn { display: none; }
    .mobile-toggle { display: flex; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .mega-categories-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
    .topbar { display: none; }
    .header-inner { height: 64px; }
    .brand-logo { gap: 8px; }
    .logo-name { font-size: 20px; }
    .logo-tagline { font-size: 9px; }
    .logo-icon svg { width: 30px; height: 30px; }
    .mega-menu { top: 64px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { max-width: 100%; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}