/* ==========================================================================
   WILIMITS MODERN ANIMATED MOBILE MENU
   Ultra-modern, responsive, tactile mobile navigation with smooth animations
   ========================================================================== */

/* Prevent background scroll when menu is active */
html.menu-open,
body.menu-open {
    overflow: hidden !important;
    height: 100% !important;
    touch-action: none !important;
}

/* Header state adjustments */
header {
    z-index: 1000000 !important;
}

.mobile-menu-btn {
    z-index: 1000002 !important;
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    outline: none;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    -webkit-tap-highlight-color: transparent;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex !important;
    }
}

.mobile-menu-btn:hover {
    background: var(--secondary-bg, rgba(0, 0, 0, 0.04));
    border-color: var(--border-color);
}

.mobile-menu-btn:active {
    transform: scale(0.92);
}

.mobile-menu-btn svg {
    stroke: currentColor;
    display: block;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
}

/* ==========================================================================
   MOBILE MENU OVERLAY & CONTAINER
   ========================================================================== */
.mobile-menu-overlay {
    position: fixed !important;
    inset: 0 !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100vh !important;
    height: 100dvh !important;
    z-index: 999999 !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: flex-start !important;
    align-items: stretch !important;
    margin: 0 !important;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.32s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.32s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0.32s;
    background: rgba(255, 255, 255, 0.96) !important;
    backdrop-filter: blur(28px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(28px) saturate(180%) !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: touch !important;
}

[data-theme="dark"] .mobile-menu-overlay {
    background: rgba(10, 11, 14, 0.96) !important;
}

.mobile-menu-overlay.active {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transform: translateY(0) !important;
}

/* Scroll wrapper inside overlay */
.mobile-menu-inner {
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
    padding: calc(var(--header-height, 74px) + 12px) 20px calc(env(safe-area-inset-bottom, 20px) + 24px) 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-sizing: border-box;
    min-height: 100%;
}

/* ==========================================================================
   STAGGERED ENTRANCE ANIMATION
   ========================================================================== */
.mobile-menu-overlay.active .mobile-nav-stagger {
    animation: mobileItemEnter 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
    animation-delay: var(--delay, 0s);
}

@keyframes mobileItemEnter {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   NAVIGATION CARD & LINKS GROUP
   ========================================================================== */
.mobile-nav-card {
    background: var(--surface-color, #ffffff);
    border: 1px solid var(--border-color, #e5e5e5);
    border-radius: 20px;
    padding: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

[data-theme="dark"] .mobile-nav-card {
    background: #14161c;
    border-color: #262933;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.mobile-nav-item {
    position: relative;
    border-radius: 14px;
    transition: background 0.2s ease;
}

/* Primary nav link row */
.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 12px 14px;
    box-sizing: border-box;
    text-decoration: none;
    color: var(--text-color, #111111) !important;
    font-size: 1.05rem !important;
    font-weight: 600 !important;
    letter-spacing: -0.01em;
    border-radius: 14px;
    border: none;
    background: transparent;
    cursor: pointer;
    text-align: left;
    transition: background 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.15s ease;
    -webkit-tap-highlight-color: transparent;
}

.mobile-nav-link:active {
    transform: scale(0.985);
    background: var(--secondary-bg, rgba(0, 0, 0, 0.04));
}

.mobile-nav-link .nav-icon-wrap {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--secondary-bg, #f4f4f6);
    border: 1px solid var(--border-color, #e5e5e5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    flex-shrink: 0;
    transition: all 0.2s ease;
}

[data-theme="dark"] .mobile-nav-link .nav-icon-wrap {
    background: #1b1e28;
    border-color: #2c303e;
}

.mobile-nav-link:hover .nav-icon-wrap,
.mobile-nav-link:active .nav-icon-wrap {
    background: var(--text-color);
    color: var(--bg-color);
}

.mobile-nav-link .nav-title-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mobile-nav-link .nav-arrow-right {
    color: var(--text-light, #888888);
    opacity: 0.6;
    transition: transform 0.2s ease, opacity 0.2s ease;
    flex-shrink: 0;
}

.mobile-nav-link:hover .nav-arrow-right,
.mobile-nav-link:active .nav-arrow-right {
    opacity: 1;
    transform: translateX(2px);
}

/* ==========================================================================
   SERVICES ACCORDION
   ========================================================================== */
.mobile-accordion-trigger {
    cursor: pointer;
}

.accordion-badge {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 20px;
    background: var(--secondary-bg, #f0f0f2);
    color: var(--text-light, #666666);
    border: 1px solid var(--border-color, #e0e0e0);
    margin-right: 4px;
    white-space: nowrap;
}

[data-theme="dark"] .accordion-badge {
    background: #1d212c;
    border-color: #2e3344;
    color: #9ea4b5;
}

.mobile-accordion-trigger .chevron-icon {
    color: var(--text-light, #888888);
    transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
    flex-shrink: 0;
}

.mobile-nav-accordion.open .mobile-accordion-trigger {
    background: var(--secondary-bg, rgba(0, 0, 0, 0.03));
}

.mobile-nav-accordion.open .mobile-accordion-trigger .chevron-icon {
    transform: rotate(180deg);
    color: var(--text-color);
}

/* Smooth Grid Accordion Expansion (Zero jump, hardware accelerated) */
.mobile-accordion-content {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.mobile-nav-accordion.open .mobile-accordion-content {
    grid-template-rows: 1fr;
}

.mobile-accordion-inner {
    min-height: 0;
    overflow: hidden;
    padding: 8px 6px 12px 6px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.service-sub-category {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.service-sub-heading {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--text-light, #71717a);
    padding: 4px 10px;
    margin-top: 4px;
}

.service-sub-links {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.service-sub-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-color, #111111) !important;
    font-size: 0.95rem !important;
    font-weight: 500 !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
    transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
    -webkit-tap-highlight-color: transparent;
}

.service-sub-link:hover,
.service-sub-link:active {
    background: var(--secondary-bg, #f4f4f6);
    transform: translateX(3px);
}

[data-theme="dark"] .service-sub-link:hover,
[data-theme="dark"] .service-sub-link:active {
    background: #1c1f2b;
}

.service-sub-link .sub-icon {
    font-size: 1.15rem;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--secondary-bg, #f0f0f4);
    flex-shrink: 0;
}

[data-theme="dark"] .service-sub-link .sub-icon {
    background: #232736;
}

.service-sub-link .sub-text {
    flex: 1;
}

/* AI Highlight badge */
.service-sub-link.is-ai-link {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(168, 85, 247, 0.08));
    border: 1px solid rgba(139, 92, 246, 0.25);
}

.service-sub-link.is-ai-link .sub-text {
    background: linear-gradient(135deg, #4f46e5, #9333ea);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 600 !important;
}

[data-theme="dark"] .service-sub-link.is-ai-link {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(168, 85, 247, 0.15));
    border-color: rgba(168, 85, 247, 0.35);
}

[data-theme="dark"] .service-sub-link.is-ai-link .sub-text {
    background: linear-gradient(135deg, #818cf8, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   PROMINENT ACTION CARDS (CALCULATOR & CLIENT LOGIN)
   ========================================================================== */
.mobile-calc-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 18px;
    background: var(--surface-color, #ffffff);
    border: 1px solid var(--border-color, #e5e5e5);
    border-radius: 18px;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    -webkit-tap-highlight-color: transparent;
}

[data-theme="dark"] .mobile-calc-card {
    background: #14161c;
    border-color: #262933;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.mobile-calc-card:hover,
.mobile-calc-card:active {
    transform: scale(0.985);
    background: var(--secondary-bg, #f7f7f8);
    border-color: var(--text-color, #000000);
}

.mobile-calc-card-content {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1;
    min-width: 0;
}

.mobile-calc-icon {
    font-size: 1.35rem;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--secondary-bg, #f4f4f6);
    border: 1px solid var(--border-color, #e5e5e5);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

[data-theme="dark"] .mobile-calc-icon {
    background: #1c1f2b;
    border-color: #2c303e;
}

.mobile-calc-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.mobile-calc-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-color, #111111);
    letter-spacing: -0.01em;
}

.mobile-calc-desc {
    font-size: 0.8rem;
    color: var(--text-light, #666666);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mobile-calc-btn {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--text-color, #000000);
    color: var(--bg-color, #ffffff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.mobile-calc-card:hover .mobile-calc-btn,
.mobile-calc-card:active .mobile-calc-btn {
    transform: translate(2px, -2px);
}

/* Secondary client button */
.mobile-login-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--surface-color, #ffffff);
    border: 1px solid var(--border-color, #e5e5e5);
    border-radius: 16px;
    text-decoration: none;
    color: var(--text-color, #111111) !important;
    font-size: 0.96rem !important;
    font-weight: 600 !important;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

[data-theme="dark"] .mobile-login-card {
    background: #14161c;
    border-color: #262933;
}

.mobile-login-card:active {
    transform: scale(0.985);
    background: var(--secondary-bg);
}

.mobile-login-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-login-left svg {
    color: var(--text-light);
}

/* ==========================================================================
   UTILITY & CONTROLS (LANGUAGE, THEME, QUICK CONTACTS)
   ========================================================================== */
.mobile-utility-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 4px;
}

/* Language selector pills */
.mobile-lang-row {
    background: var(--surface-color, #ffffff);
    border: 1px solid var(--border-color, #e5e5e5);
    border-radius: 16px;
    padding: 5px;
    display: flex;
    align-items: center;
    gap: 4px;
}

[data-theme="dark"] .mobile-lang-row {
    background: #14161c;
    border-color: #262933;
}

.mobile-lang-pill {
    flex: 1;
    text-align: center;
    padding: 9px 4px;
    font-size: 0.82rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-light, #666666);
    border-radius: 11px;
    transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
    -webkit-tap-highlight-color: transparent;
}

.mobile-lang-pill:hover {
    color: var(--text-color);
}

.mobile-lang-pill.active {
    background: var(--text-color, #000000);
    color: var(--bg-color, #ffffff) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

/* Theme Switcher Card */
.mobile-theme-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--surface-color, #ffffff);
    border: 1px solid var(--border-color, #e5e5e5);
    border-radius: 16px;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition: all 0.2s ease;
}

[data-theme="dark"] .mobile-theme-row {
    background: #14161c;
    border-color: #262933;
}

.mobile-theme-row:active {
    transform: scale(0.985);
}

.mobile-theme-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.94rem;
    font-weight: 600;
    color: var(--text-color);
}

.mobile-theme-switch-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 20px;
    background: var(--secondary-bg, #f4f4f6);
    border: 1px solid var(--border-color, #e5e5e5);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-color);
}

[data-theme="dark"] .mobile-theme-switch-pill {
    background: #1e2230;
    border-color: #2e3344;
}

/* Quick Contacts & Social Strip */
.mobile-contacts-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding-top: 4px;
}

.mobile-contact-chip {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 12px;
    background: var(--surface-color, #ffffff);
    border: 1px solid var(--border-color, #e5e5e5);
    border-radius: 14px;
    text-decoration: none;
    color: var(--text-color, #111111);
    font-size: 0.88rem;
    font-weight: 600;
    transition: all 0.18s ease;
    -webkit-tap-highlight-color: transparent;
}

[data-theme="dark"] .mobile-contact-chip {
    background: #14161c;
    border-color: #262933;
}

.mobile-contact-chip:active {
    transform: scale(0.96);
    background: var(--secondary-bg);
}

.mobile-socials-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mobile-social-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--surface-color, #ffffff);
    border: 1px solid var(--border-color, #e5e5e5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.18s ease;
    -webkit-tap-highlight-color: transparent;
}

[data-theme="dark"] .mobile-social-icon {
    background: #14161c;
    border-color: #262933;
}

.mobile-social-icon:active {
    transform: scale(0.92);
    background: var(--secondary-bg);
}

.mobile-social-icon svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
}

/* Small footer note in menu */
.mobile-menu-footer-note {
    text-align: center;
    font-size: 0.78rem;
    color: var(--text-light, #888888);
    opacity: 0.75;
    margin-top: 6px;
    padding-bottom: 8px;
}

/* Hide header page title completely on mobile devices */
@media (max-width: 992px) {
    .header-page-title,
    header.scrolled .header-page-title,
    header .header-page-title {
        display: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
    }
}