/**
 * BM Consulting Enhanced Mobile Menu
 *
 * Premium full-screen overlay with:
 * - Dark background with gradient
 * - Staggered animation for menu items
 * - Accordion-style sub-menus
 * - Quick contact buttons (phone, email, WhatsApp)
 * - Animated close button (X)
 * - Language switcher
 *
 * @package BM_Consulting
 * @version 2.1.0
 */

/* ==========================================================================
   ENHANCED MOBILE MENU v2.1
   Premium full-screen overlay with dark background, staggered animations,
   accordion submenus, quick contact buttons, and animated close button
   ========================================================================== */

/* Backdrop Layer - Dark gradient overlay */
.bm-mobile-menu__backdrop {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(26, 54, 93, 0.98) 0%, rgba(10, 25, 47, 0.99) 100%);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Override base mobile menu styles */
.bm-mobile-menu {
    visibility: hidden;
    background: transparent;
    transform: none;
}

.bm-mobile-menu[aria-hidden="false"] {
    visibility: visible;
}

.bm-mobile-menu[aria-hidden="false"] .bm-mobile-menu__backdrop {
    opacity: 1;
}

.bm-mobile-menu-inner {
    position: relative;
    padding-bottom: calc(var(--bm-space-xl) + env(safe-area-inset-bottom, 0));
    z-index: 1;
}

/* -------------------------------------------------------------------------
   Mobile Header - Dark Theme Override
   ------------------------------------------------------------------------- */
.bm-mobile-header {
    border-bottom-color: rgba(255, 255, 255, 0.1);
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease 0.1s, transform 0.3s ease 0.1s;
}

.bm-mobile-menu[aria-hidden="false"] .bm-mobile-header {
    opacity: 1;
    transform: translateY(0);
}

.bm-mobile-header .bm-logo img {
    filter: brightness(0) invert(1);
}

.bm-mobile-header .bm-logo-text {
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 700;
}

/* Animated X Close Button */
.bm-mobile-close {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: background 0.2s ease, transform 0.2s ease;
}

.bm-mobile-close:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    transform: scale(1.05);
}

.bm-mobile-close:active {
    transform: scale(0.95);
}

.bm-mobile-close__icon {
    position: relative;
    width: 20px;
    height: 20px;
}

.bm-mobile-close__line {
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 2px;
    background: #ffffff;
    border-radius: 1px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.bm-mobile-close__line:first-child {
    transform: translateY(-50%) rotate(45deg);
}

.bm-mobile-close__line:last-child {
    transform: translateY(-50%) rotate(-45deg);
}

.bm-mobile-close:hover .bm-mobile-close__line:first-child {
    transform: translateY(-50%) rotate(135deg);
}

.bm-mobile-close:hover .bm-mobile-close__line:last-child {
    transform: translateY(-50%) rotate(45deg);
}

/* -------------------------------------------------------------------------
   Staggered Animation for Menu Items
   ------------------------------------------------------------------------- */
[data-stagger] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.bm-mobile-menu[aria-hidden="false"] [data-stagger="1"] {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.1s;
}

.bm-mobile-menu[aria-hidden="false"] [data-stagger="2"] {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.15s;
}

.bm-mobile-menu[aria-hidden="false"] [data-stagger="3"] {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.bm-mobile-menu[aria-hidden="false"] [data-stagger="4"] {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.25s;
}

.bm-mobile-menu[aria-hidden="false"] [data-stagger="5"] {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.3s;
}

.bm-mobile-menu[aria-hidden="false"] [data-stagger="6"] {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.35s;
}

.bm-mobile-menu[aria-hidden="false"] [data-stagger="7"] {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}

/* -------------------------------------------------------------------------
   Accordion Styles - Dark Theme Override
   ------------------------------------------------------------------------- */
.bm-mobile-accordion {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.bm-mobile-accordion-trigger {
    padding: var(--bm-space-lg) 0;
    font-size: 1.25rem;
    color: #ffffff;
}

.bm-mobile-accordion-trigger:hover {
    color: rgba(255, 255, 255, 0.8);
}

.bm-mobile-accordion-trigger__text {
    flex: 1;
}

.bm-mobile-accordion-trigger__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: background 0.2s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.bm-mobile-accordion-trigger__icon svg {
    color: #ffffff;
}

.bm-mobile-accordion-trigger[aria-expanded="true"] .bm-mobile-accordion-trigger__icon {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(180deg);
}

/* Legacy chevron override */
.bm-mobile-accordion-trigger svg {
    color: #ffffff;
}

/* Accordion Panel Animation */
.bm-mobile-accordion-panel {
    display: block;
    max-height: 0;
    overflow: hidden;
    padding-bottom: 0;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.bm-mobile-accordion-panel[aria-hidden="false"] {
    max-height: 600px;
    padding-bottom: var(--bm-space-md);
}

.bm-mobile-accordion-panel a {
    color: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
}

.bm-mobile-accordion-panel a:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
}

/* Service Items with Icons */
.bm-mobile-service-item {
    display: flex !important;
    align-items: flex-start;
    gap: var(--bm-space-sm);
    padding: var(--bm-space-md) !important;
    margin-bottom: var(--bm-space-xs);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

.bm-mobile-service-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.bm-mobile-service-item__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.bm-mobile-service-item__icon svg {
    width: 20px;
    height: 20px;
    color: #ffffff;
}

.bm-mobile-service-item__content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.bm-mobile-service-item__title {
    font-weight: 600;
    color: #ffffff;
}

.bm-mobile-service-item__desc {
    font-size: var(--bm-font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

/* View All Link */
.bm-mobile-view-all {
    display: flex !important;
    align-items: center;
    gap: var(--bm-space-xs);
    color: var(--bm-primary-light) !important;
    font-weight: 500;
    margin-top: var(--bm-space-sm);
    padding-left: var(--bm-space-md) !important;
    background: transparent !important;
}

.bm-mobile-view-all svg {
    width: 16px;
    height: 16px;
    transition: transform 0.2s ease;
}

.bm-mobile-view-all:hover svg {
    transform: translateX(4px);
}

/* -------------------------------------------------------------------------
   Mobile Links - Dark Theme Override
   ------------------------------------------------------------------------- */
.bm-mobile-link {
    padding: var(--bm-space-lg) 0;
    font-size: 1.25rem;
    color: #ffffff;
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.bm-mobile-link:hover {
    color: rgba(255, 255, 255, 0.8);
    transform: translateX(4px);
}

/* -------------------------------------------------------------------------
   Quick Contact Buttons Row
   ------------------------------------------------------------------------- */
.bm-mobile-quick-contact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--bm-space-sm);
    margin-bottom: var(--bm-space-lg);
}

.bm-mobile-quick-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--bm-space-xs);
    padding: var(--bm-space-md) var(--bm-space-sm);
    text-decoration: none;
    border-radius: 12px;
    transition: background 0.2s ease, transform 0.2s ease;
}

.bm-mobile-quick-btn:active {
    transform: scale(0.95);
}

.bm-mobile-quick-btn__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    transition: transform 0.2s ease;
}

.bm-mobile-quick-btn:hover .bm-mobile-quick-btn__icon {
    transform: scale(1.1);
}

.bm-mobile-quick-btn__icon svg {
    width: 24px;
    height: 24px;
}

.bm-mobile-quick-btn__label {
    font-size: var(--bm-font-size-sm);
    font-weight: 500;
}

/* Phone Button */
.bm-mobile-quick-btn--phone {
    background: rgba(59, 130, 246, 0.15);
}

.bm-mobile-quick-btn--phone:hover {
    background: rgba(59, 130, 246, 0.25);
}

.bm-mobile-quick-btn--phone .bm-mobile-quick-btn__icon {
    background: #3b82f6;
    color: #ffffff;
}

.bm-mobile-quick-btn--phone .bm-mobile-quick-btn__label {
    color: #93c5fd;
}

/* Email Button */
.bm-mobile-quick-btn--email {
    background: rgba(139, 92, 246, 0.15);
}

.bm-mobile-quick-btn--email:hover {
    background: rgba(139, 92, 246, 0.25);
}

.bm-mobile-quick-btn--email .bm-mobile-quick-btn__icon {
    background: #8b5cf6;
    color: #ffffff;
}

.bm-mobile-quick-btn--email .bm-mobile-quick-btn__label {
    color: #c4b5fd;
}

/* WhatsApp Button */
.bm-mobile-quick-btn--whatsapp {
    background: rgba(34, 197, 94, 0.15);
}

.bm-mobile-quick-btn--whatsapp:hover {
    background: rgba(34, 197, 94, 0.25);
}

.bm-mobile-quick-btn--whatsapp .bm-mobile-quick-btn__icon {
    background: #22c55e;
    color: #ffffff;
}

.bm-mobile-quick-btn--whatsapp .bm-mobile-quick-btn__label {
    color: #86efac;
}

/* -------------------------------------------------------------------------
   Social Links - Dark Theme Override
   ------------------------------------------------------------------------- */
.bm-mobile-social a {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.bm-mobile-social a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

/* -------------------------------------------------------------------------
   CTA Button - Dark Theme Override
   ------------------------------------------------------------------------- */
.bm-mobile-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--bm-space-sm);
    padding: var(--bm-space-lg);
    font-size: var(--bm-font-size-lg);
    color: var(--bm-charcoal);
    background: #ffffff;
    border-radius: 12px;
}

.bm-mobile-cta:hover {
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.bm-mobile-cta:active {
    transform: translateY(0);
}

.bm-mobile-cta svg {
    width: 20px;
    height: 20px;
    transition: transform 0.2s ease;
}

.bm-mobile-cta:hover svg {
    transform: translateX(4px);
}

/* -------------------------------------------------------------------------
   Language Bar - Dark Theme Override
   ------------------------------------------------------------------------- */
.bm-mobile-lang-bar {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.bm-mobile-lang-bar a,
.bm-mobile-lang-bar button {
    color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.1);
    border-color: transparent;
}

.bm-mobile-lang-bar a:hover,
.bm-mobile-lang-bar button:hover {
    border-color: rgba(255, 255, 255, 0.3);
}

.bm-mobile-lang-bar a.current-lang,
.bm-mobile-lang-bar button.active {
    color: var(--bm-charcoal);
    background: #ffffff;
}

/* Legacy Mobile Lang (for compatibility) */
.bm-mobile-lang a {
    color: rgba(255, 255, 255, 0.8);
}

.bm-mobile-lang a:hover,
.bm-mobile-lang a.current-lang {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

/* -------------------------------------------------------------------------
   Contact Info - Dark Theme Override
   ------------------------------------------------------------------------- */
.bm-mobile-contact__item {
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.05);
}

.bm-mobile-contact__item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.bm-mobile-contact__icon {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

/* -------------------------------------------------------------------------
   Reduced Motion Support
   ------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    .bm-mobile-menu__backdrop,
    .bm-mobile-header,
    [data-stagger],
    .bm-mobile-accordion-panel,
    .bm-mobile-close,
    .bm-mobile-close__line,
    .bm-mobile-quick-btn,
    .bm-mobile-quick-btn__icon,
    .bm-mobile-cta,
    .bm-mobile-link {
        transition: none !important;
    }

    [data-stagger] {
        opacity: 1;
        transform: none;
    }

    .bm-mobile-header {
        opacity: 1;
        transform: none;
    }
}