:root {
            --red-50: #FEF2F2;
            --red-100: #FEE2E2;
            --red-200: #FECACA;
            --red-300: #FCA5A5;
            --red-400: #F87171;
            --red-500: #EF4444;
            --red-600: #DC2626;
            --red-700: #B91C1C;
            --red-800: #991B1B;
            --red-900: #7F1D1D;
            --dark: #1F2937;
            --gray-600: #4B5563;
            --gray-400: #9CA3AF;
            --white: #FFFFFF;
        }

        * {
            font-family: 'Hind Siliguri', sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            color: var(--dark);
            overflow-x: hidden;
            background: #fef6f6;
        }

        /* ===== NAVBAR ===== */
        .navbar-custom {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(220, 38, 38, 0.08);
            padding: 0.8rem 0;
            transition: all 0.3s ease;
            z-index: 1050;
        }

        .navbar-custom.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
        }

        .navbar-custom .container {
            gap: 1rem;
        }

        .navbar-brand-custom {
            font-weight: 700;
            font-size: 1.6rem;
            color: var(--red-700) !important;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .navbar-brand-custom .brand-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--red-600), var(--red-800));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
            box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
        }

        .navbar-menu-pill {
            align-items: center;
            gap: 0.45rem;
            padding: 0.5rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.82);
            border: 1px solid rgba(220, 38, 38, 0.14);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
        }

        .navbar-menu-pill .nav-item {
            position: relative;
        }

        .nav-link-custom {
            color: var(--dark) !important;
            font-weight: 600;
            font-size: 0.92rem;
            letter-spacing: 0.02em;
            padding: 0.8rem 1.35rem !important;
            border-radius: 999px;
            transition: all 0.25s ease;
            position: relative;
            text-transform: uppercase;
        }

        .nav-link-custom:hover {
            color: var(--red-700) !important;
            background: rgba(220, 38, 38, 0.08);
        }

        .nav-link-custom.active {
            color: var(--red-700) !important;
            background: rgba(220, 38, 38, 0.12);
            box-shadow: inset 0 0 0 1px rgba(220, 38, 38, 0.08);
        }

        .btn-donate-nav {
            background: linear-gradient(135deg, var(--red-600), var(--red-700));
            color: white !important;
            border: none;
            border-radius: 50px;
            padding: 0.5rem 1.5rem !important;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 15px rgba(220, 38, 38, 0.3);
            transition: all 0.3s ease;
        }

        .btn-donate-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(220, 38, 38, 0.4);
            background: linear-gradient(135deg, var(--red-700), var(--red-800));
        }

        .custom-toggler {
            width: 40px;
            height: 40px;
            padding: 0;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.86);
            border: 1px solid rgba(220, 38, 38, 0.16) !important;
            box-shadow: 0 10px 24px rgba(220, 38, 38, 0.12);
            display: none;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 6px;
            transition: all 0.25s ease;
        }

        .custom-toggler:focus,
        .navbar-toggler:focus {
            box-shadow: none !important;
            outline: none !important;
        }

        .custom-toggler:hover {
            transform: translateY(-1px);
        }

        .custom-toggler .toggler-line {
            width: 22px;
            height: 2px;
            border-radius: 999px;
            background: var(--red-700);
            transition: transform 0.3s ease, opacity 0.25s ease, width 0.25s ease;
            transform-origin: center;
        }

        .custom-toggler.active .toggler-line:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .custom-toggler.active .toggler-line:nth-child(2) {
            opacity: 0;
            transform: scaleX(0.4);
        }

        .custom-toggler.active .toggler-line:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== OFFcanvas NAV (mobile) ===== */
        .offcanvas, .offcanvas-backdrop{
            top: 72px !important;
        }
        .offcanvas#navOffcanvas {
            height: calc(100% - 84px);
            background: linear-gradient(180deg, #fff 0%, #fef2f2 100%);
            border-right: 2px solid rgba(220, 38, 38, 0.12);
            max-width: 320px;
            z-index: 1055;
        }

        .offcanvas#navOffcanvas .offcanvas-header {
            padding: 1.2rem 1rem;
            border-bottom: 1px solid rgba(220, 38, 38, 0.1);
        }

        .offcanvas#navOffcanvas .offcanvas-header .navbar-brand-custom {
            font-size: 1.3rem;
        }

        .offcanvas#navOffcanvas .offcanvas-header .brand-icon {
            width: 36px;
            height: 36px;
            font-size: 1rem;
        }

        .offcanvas#navOffcanvas .btn-close-white {
            background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23b91c1c'%3e%3cpath d='M.293.293a1 1 0 011.414 0L8 6.586 14.293.293a1 1 0 111.414 1.414L9.414 8l6.293 6.293a1 1 0 01-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 01-1.414-1.414L6.586 8 .293 1.707a1 1 0 010-1.414z'/%3e%3c/svg%3e") center/1em auto no-repeat;
            opacity: 0.8;
        }

        .offcanvas#navOffcanvas .btn-close-white:hover {
            opacity: 1;
        }

        .offcanvas#navOffcanvas .offcanvas-body {
            padding: 1.5rem 1rem;
        }

        .offcanvas#navOffcanvas .navbar-menu-pill {
            width: 100%;
            border-radius: 1.2rem;
            flex-direction: column;
            align-items: stretch;
            gap: 0.25rem;
            padding: 0.5rem;
            box-shadow: none;
            background: rgba(255, 255, 255, 0.6);
            border: 1px solid rgba(220, 38, 38, 0.08);
        }

        .offcanvas#navOffcanvas .nav-link-custom {
            text-transform: none;
            text-align: left;
            padding: 0.85rem 1rem !important;
            border-radius: 0.9rem;
            font-size: 0.95rem;
        }

        .offcanvas#navOffcanvas .nav-link-custom:hover {
            background: rgba(220, 38, 38, 0.06);
        }

        .offcanvas#navOffcanvas .nav-link-custom.active {
            background: rgba(220, 38, 38, 0.12);
        }

        .offcanvas#navOffcanvas .btn-donate-nav {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            padding: 0.85rem 1.2rem !important;
        }

        .offcanvas-backdrop {
            z-index: 1054 !important;
        }

        @media (max-width: 991px) {
            .custom-toggler {
                display: inline-flex;
            }

            .navbar-custom {
                padding: 0.9rem 0;
            }

            .navbar-custom .container {
                align-items: center;
            }
        }