/**
 * KMASS Premium NGO Website Theme - Navbar Stylesheet
 * Brand Colors:
 * - Primary Royal Purple: #24145D
 * - Saffron Orange:       #F28C18
 * - Leaf Green:           #159447
 * - Justice Red:          #D92D2D
 * - Supporting Light:     #F7F7FB
 * - Text:                 #303044
 */

:root {
    --kmass-purple: #24145D;
    --kmass-purple-dark: #1b0e49;
    --kmass-saffron: #F28C18;
    --kmass-saffron-hover: #d9780b;
    --kmass-green: #159447;
    --kmass-green-hover: #107738;
    --kmass-red: #D92D2D;
    --kmass-red-hover: #b82222;
    --kmass-light: #F7F7FB;
    --kmass-text: #303044;
}

/* Hindi and English Typography */
.kmass-hindi-title {
    font-family: 'Mukta', 'Noto Sans Devanagari', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    letter-spacing: -0.01em;
}

.kmass-nav-font {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Top Information Bar */
.kmass-topbar {
    background-color: var(--kmass-purple);
    color: #ffffff;
    font-size: 0.8125rem;
    border-bottom: 1px solid rgba(242, 140, 24, 0.25);
}

.kmass-topbar a {
    color: #ffffff;
    transition: color 0.2s ease, transform 0.2s ease;
}

.kmass-topbar a:hover {
    color: var(--kmass-saffron);
}

.kmass-topbar-badge {
    background: rgba(242, 140, 24, 0.18);
    border: 1px solid rgba(242, 140, 24, 0.4);
    color: #ffdda1;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 9999px;
    font-weight: 600;
}

/* Main Organization Branding Header */
.kmass-branding-header {
    background-color: #ffffff;
    border-bottom: 1px solid #eaeaf2;
    position: relative;
}

.kmass-branding-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--kmass-saffron) 0%, var(--kmass-purple) 50%, var(--kmass-green) 100%);
}

.kmass-logo-container {
    transition: transform 0.25s ease;
}

.kmass-logo-container:hover {
    transform: scale(1.02);
}

.kmass-logo-img {
    height: 64px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 6px rgba(36, 20, 93, 0.15));
}

@media (min-width: 640px) {
    .kmass-logo-img {
        height: 72px;
    }
}

@media (min-width: 768px) {
    .kmass-logo-img {
        height: 78px;
    }
}

@media (min-width: 1280px) {
    .kmass-logo-img {
        height: 84px;
    }
}

/* Main Navigation Bar */
.kmass-navbar-main {
    background-color: var(--kmass-purple);
    box-shadow: 0 4px 20px -2px rgba(36, 20, 93, 0.25);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Header 1 & 2: Normal document flow */
.kmass-header-static {
    position: static !important;
    position: relative !important;
    width: 100% !important;
}

/* Header 3: Dedicated Sticky Navigation Wrapper */
.kmass-sticky-nav-wrapper {
    width: 100% !important;
    display: block !important;
}

.kmass-sticky-nav-wrapper.is-sticky,
.kmass-navbar-main.kmass-sticky {
    position: -webkit-sticky !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;
    box-shadow: 0 4px 20px -2px rgba(36, 20, 93, 0.35) !important;
}

/* Desktop Nav Items */
.kmass-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.875rem 0.95rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #ffffff;
    text-transform: none;
    position: relative;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.kmass-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background-color: var(--kmass-saffron);
    transition: width 0.25s ease;
    border-radius: 3px 3px 0 0;
}

.kmass-nav-link:hover {
    color: var(--kmass-saffron);
    background-color: rgba(255, 255, 255, 0.05);
}

.kmass-nav-link:hover::after,
.kmass-nav-link.active::after {
    width: calc(100% - 1.25rem);
}

.kmass-nav-link.active {
    color: var(--kmass-saffron);
    background-color: rgba(242, 140, 24, 0.1);
}

/* ==========================================================================
   KMASS DROPDOWN MENUS (Fixed 400px Height, Block/Column Layout & Slim Scrollable)
   ========================================================================== */

/* Main Dropdown Panel - Strict Column Layout */
.kmass-dropdown-panel {
    background-color: #ffffff !important;
    background: #ffffff !important;
    border-radius: 0.75rem;
    box-shadow: 0 16px 36px -4px rgba(36, 20, 93, 0.22), 0 4px 12px rgba(0, 0, 0, 0.06);
    border: 1px solid #e7e7f0;
    border-top: 3px solid var(--kmass-saffron);
    min-width: 17.5rem;
    width: 19rem;
    max-width: min(22rem, calc(100vw - 2rem));
    padding: 0.5rem 0;
    z-index: 100 !important;

    /* Strict Block & Column Flow when open */
    display: flex;
    flex-direction: column;
    box-sizing: border-box;

    /* Fixed & Adaptive Dropdown Height */
    max-height: 400px;
    max-height: min(400px, calc(100vh - 120px));
    overflow-y: auto;
    overflow-x: hidden;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;

    /* Custom slim scrollbar (Firefox standard) */
    scrollbar-width: thin;
    scrollbar-color: #c2c2d6 #f7f7fb;
}

/* Ensure hidden dropdowns are 100% closed on load and when inactive */
.kmass-dropdown-panel[style*="display: none"],
.kmass-dropdown-panel[style*="display:none"],
.kmass-dropdown-panel[x-cloak],
[x-cloak] {
    display: none !important;
}

/* Custom Slim Scrollbar (Webkit: Chrome, Safari, Edge, Opera) */
.kmass-dropdown-panel::-webkit-scrollbar {
    width: 6px;
}

.kmass-dropdown-panel::-webkit-scrollbar-track {
    background: #f7f7fb;
    border-radius: 9999px;
    margin: 4px 0;
}

.kmass-dropdown-panel::-webkit-scrollbar-thumb {
    background: #c2c2d6;
    border-radius: 9999px;
    border: 1px solid #f7f7fb;
    transition: background-color 0.2s ease;
}

.kmass-dropdown-panel::-webkit-scrollbar-thumb:hover {
    background: var(--kmass-saffron);
}

/* Dropdown Menu Item (Direct full-width row) */
.kmass-dropdown-item {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
    box-sizing: border-box !important;
    clear: both !important;
    padding: 0.625rem 1.15rem !important;
    font-size: 0.875rem !important;
    font-weight: 600 !important;
    color: var(--kmass-purple) !important;
    background: transparent;
    border-left: 3px solid transparent !important;
    transition: all 0.18s ease;
    text-decoration: none !important;
    white-space: nowrap !important;
    cursor: pointer;
}

.kmass-dropdown-item:hover {
    background-color: var(--kmass-light) !important;
    color: var(--kmass-purple) !important;
    border-left-color: var(--kmass-saffron) !important;
    padding-left: 1.35rem !important;
}

.kmass-dropdown-item.active {
    background-color: rgba(242, 140, 24, 0.1) !important;
    color: var(--kmass-purple) !important;
    font-weight: 700 !important;
    border-left-color: var(--kmass-saffron) !important;
}

/* Submenu Category Group Container */
.kmass-dropdown-subgroup {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    box-sizing: border-box !important;
    clear: both !important;
    margin: 0.35rem 0 !important;
    border-top: 1px solid #f0f0f7 !important;
    border-bottom: 1px solid #f0f0f7 !important;
    background-color: #fafafc !important;
    padding: 0.25rem 0 !important;
}

/* Submenu Container (Strict Column Layout - NEVER horizontal) */
.kmass-dropdown-sublist {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 !important;
    margin: 0 !important;
    list-style: none !important;
}

/* Parent Category Header */
.kmass-dropdown-group-header {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    width: 100% !important;
    box-sizing: border-box !important;
    font-size: 0.72rem !important;
    font-weight: 800 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.08em !important;
    padding: 0.45rem 1.15rem 0.35rem !important;
    margin: 0 !important;
    color: var(--kmass-purple) !important;
}

.kmass-dropdown-group-header.green-accent {
    color: var(--kmass-green) !important;
}

.kmass-dropdown-group-header.purple-accent {
    color: var(--kmass-purple) !important;
}

.kmass-dropdown-group-header.red-accent {
    color: var(--kmass-red) !important;
}

/* Nested Subitems inside Dropdown (Always 100% full width on its own separate row) */
.kmass-dropdown-subitem {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
    box-sizing: border-box !important;
    clear: both !important;
    padding: 0.5rem 1.15rem 0.5rem 2.2rem !important;
    font-size: 0.825rem !important;
    font-weight: 500 !important;
    color: var(--kmass-purple) !important;
    background: transparent;
    border-left: 3px solid transparent !important;
    transition: all 0.18s ease;
    position: relative !important;
    text-decoration: none !important;
    white-space: nowrap !important;
    cursor: pointer;
}

.kmass-dropdown-subitem::before {
    content: '';
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: var(--kmass-saffron);
    transition: transform 0.18s ease, background-color 0.18s ease;
}

.kmass-dropdown-subitem:hover {
    background-color: #ffffff !important;
    color: var(--kmass-purple) !important;
    border-left-color: var(--kmass-saffron) !important;
    padding-left: 2.4rem !important;
    font-weight: 600 !important;
}

.kmass-dropdown-subitem:hover::before {
    transform: translateY(-50%) scale(1.4);
    background-color: var(--kmass-green);
}

.kmass-dropdown-subitem.active {
    background-color: rgba(242, 140, 24, 0.12) !important;
    color: var(--kmass-purple) !important;
    font-weight: 700 !important;
    border-left-color: var(--kmass-saffron) !important;
}

/* Dropdown Divider Line */
.kmass-dropdown-divider {
    height: 1px;
    background-color: #f0f0f5;
    margin: 0.35rem 0;
    width: 100%;
}

/* Multi-Column Mega Dropdown for More (Legacy compatibility) */
.kmass-dropdown-mega {
    min-width: 36rem;
    max-width: min(42rem, calc(100vw - 2rem));
    padding: 1.125rem 1.125rem 0.875rem;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.125rem;
    align-items: start;
    border-radius: 0.875rem;
}

.kmass-dropdown-col {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.kmass-dropdown-mega .kmass-dropdown-item {
    padding: 0.42rem 0.7rem;
    border-radius: 0.375rem;
    font-size: 0.8125rem;
}

/* Premium Header DONATE NOW Button (Branding Header) */
.kmass-header-donate-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: var(--kmass-red);
    color: #ffffff !important;
    font-weight: 800;
    font-size: 0.9375rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.65rem 1.45rem;
    border-radius: 9999px;
    box-shadow: 0 4px 14px rgba(217, 45, 45, 0.35);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    text-decoration: none !important;
    border: 1px solid rgba(255, 255, 255, 0.25);
    flex-shrink: 0;
    cursor: pointer;
    line-height: 1;
}

.kmass-header-donate-btn:hover {
    background-color: var(--kmass-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(217, 45, 45, 0.48);
    color: #ffffff !important;
}

.kmass-header-donate-btn:active {
    transform: translateY(0);
}

.kmass-header-donate-btn i {
    color: #ffffff;
    transition: transform 0.2s ease;
}

.kmass-header-donate-btn:hover i {
    transform: scale(1.18);
}

@media (max-width: 639px) {
    .kmass-header-donate-btn {
        padding: 0.45rem 0.95rem;
        font-size: 0.78rem;
        gap: 0.35rem;
        box-shadow: 0 2px 8px rgba(217, 45, 45, 0.3);
    }
}

/* Prominent JOIN US CTA Button */
.kmass-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--kmass-red);
    color: #ffffff !important;
    font-weight: 700;
    font-size: 0.9375rem;
    letter-spacing: 0.03em;
    padding: 0.625rem 1.375rem;
    border-radius: 9999px;
    box-shadow: 0 4px 14px rgba(217, 45, 45, 0.38);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.kmass-cta-btn:hover {
    background-color: var(--kmass-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(217, 45, 45, 0.48);
}

.kmass-cta-btn:active {
    transform: translateY(0);
}

/* Mobile Hamburger & Drawer */
.kmass-hamburger-btn {
    padding: 0.5rem;
    border-radius: 0.5rem;
    color: var(--kmass-purple);
    background-color: var(--kmass-light);
    border: 1px solid #e0e0ed;
    transition: all 0.2s ease;
}

.kmass-hamburger-btn:hover {
    background-color: #e9e9f4;
    color: var(--kmass-red);
}

.kmass-mobile-drawer {
    width: 100%;
    max-width: 350px;
    background-color: #ffffff;
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.25);
    height: 100%;
    max-height: 100vh;
    max-height: 100dvh;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: #c2c2d6 #f7f7fb;
}

.kmass-mobile-drawer::-webkit-scrollbar {
    width: 5px;
}

.kmass-mobile-drawer::-webkit-scrollbar-track {
    background: #f7f7fb;
}

.kmass-mobile-drawer::-webkit-scrollbar-thumb {
    background: #c2c2d6;
    border-radius: 4px;
}

.kmass-mobile-nav-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--kmass-text);
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.kmass-mobile-nav-item:hover,
.kmass-mobile-nav-item.active {
    background-color: var(--kmass-light);
    color: var(--kmass-purple);
}

.kmass-mobile-sublink {
    display: block;
    padding: 0.5rem 0.875rem 0.5rem 2.25rem;
    font-size: 0.85rem;
    color: #55556a;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
    position: relative;
}

.kmass-mobile-sublink::before {
    content: '';
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: var(--kmass-saffron);
}

.kmass-mobile-sublink:hover,
.kmass-mobile-sublink.active {
    color: var(--kmass-purple);
    background-color: #f0f0f8;
    font-weight: 600;
}

.kmass-mobile-subgroup-header {
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--kmass-purple);
    padding: 0.5rem 0.875rem 0.25rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.kmass-mobile-subgroup-header::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 2px;
    background-color: var(--kmass-green);
}

.kmass-mobile-nested-link {
    display: block;
    padding: 0.45rem 0.875rem 0.45rem 2.75rem;
    font-size: 0.825rem;
    color: #606078;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
    position: relative;
}

.kmass-mobile-nested-link::before {
    content: '';
    position: absolute;
    left: 2rem;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background-color: var(--kmass-saffron);
}

.kmass-mobile-nested-link:hover,
.kmass-mobile-nested-link.active {
    color: var(--kmass-purple);
    background-color: #f0f0f8;
    font-weight: 600;
}

/* Brand Accent Line */
.kmass-accent-bar {
    height: 4px;
    background: linear-gradient(90deg, var(--kmass-purple) 0%, var(--kmass-saffron) 35%, var(--kmass-green) 70%, var(--kmass-red) 100%);
    width: 100%;
}

/* ==========================================================================
   KMASS MOBILE HEADER SPECIFIC RESPONSIVE OPTIMIZATIONS (< 640px)
   ========================================================================== */
@media (max-width: 639px) {
    .kmass-topbar {
        padding-top: 0.35rem;
        padding-bottom: 0.35rem;
        font-size: 0.72rem;
    }
    .kmass-branding-header {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }
    .kmass-hindi-title {
        font-size: 1.05rem;
        line-height: 1.25;
        display: block;
    }
    .kmass-eng-title {
        font-size: 0.72rem;
        line-height: 1.3;
        display: block;
    }
    .kmass-mobile-drawer {
        width: 100%;
        max-width: min(340px, 88vw);
    }
}