.mobile-nav {
    display: none;
}

@media (max-width: 767px) {
    .mobile-nav {
        display: block;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 2000;
        background: linear-gradient(to right, #fff 40%, #fdf2e3);
        /* border-bottom: 1px solid rgba(0, 0, 0, 0.06); */
        height: 40px;
        box-shadow: 0 1px 10px rgba(0, 0, 0, 0.05);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        will-change: transform;
        position: fixed;
    }

    .mobile-nav.scrolled {
        transform: translateY(-2px);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    }

    .mobile-nav-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: transparent;
        height: 40px;
    }

    .mobile-nav-header img {
        height: 30px;
        width: 50%;
    }

    .mobile-menu-btn {
        width: 25px;
        height: 25px;
        border: none;
        background: var(--gradient);
        padding: 0;
        cursor: pointer;
        border-radius: 6px;
        transition: transform 0.3s ease;
        box-shadow: 0 4px 15px rgba(255, 107, 107, 0.2);
        transform: translateZ(0);
        backface-visibility: hidden;
        position: relative;
    }

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

    .mobile-menu-btn span {
        display: block;
        width: 18px;
        height: 1.5px;
        background: white;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        transition: 0.4s cubic-bezier(0.68, -0.6, 0.32, 1.6);
    }

    .mobile-menu-btn span:nth-child(1) { top: calc(50% - 6.25px); }
    .mobile-menu-btn span:nth-child(2) { top: calc(50% - 0.75px); }
    .mobile-menu-btn span:nth-child(3) { top: calc(50% + 4.75px); }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateX(-50%) translateY(5.5px) rotate(45deg);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
        transform: translateX(-50%);
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateX(-50%) translateY(-5.5px) rotate(-45deg);
    }

    .mobile-nav-menu {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: white;
        padding: 20px 15px;
        border-radius: 0;
        box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
        z-index: 2001;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        opacity: 0;
        visibility: hidden;
        transform: translateX(10px);
        transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        font-size: initial;
        gap: 10px;
        align-items: initial;
    }

    .mobile-nav-menu.active {
        right: 0;
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }

    .nav-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.3);
        backdrop-filter: blur(3px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 1999;
    }

    .nav-backdrop.active {
        opacity: 1;
        visibility: visible;
    }

    .mobile-nav-menu ul {
        list-style: none;
        padding: 0;
        margin: 0;
        width: 100%;
    }

    .mobile-nav-menu li {
        width: 100%;
        margin: 0;
        padding: 0;
        opacity: 0;
        transform: translateX(-10px);
        transition: all 0.3s ease;
        transition-delay: calc(var(--i) * 0.05s);
    }

    .mobile-nav-menu.active li {
        opacity: 1;
        transform: translateX(0);
    }

    .mobile-nav-menu a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 12px 15px;
        text-decoration: none;
        color: var(--nav-color);
        font-size: 0.95rem;
        font-weight: 500;
        border-radius: 8px;
        transition: all 0.3s ease;
        background: white;
        box-shadow: none;
        border-bottom: 1px solid #eee;
    }

    .mobile-nav-menu a i {
        font-size: 16px;
        width: 20px;
        text-align: center;
        margin-right: 8px;
    }

    .mobile-nav-menu a span {
        flex: 1;
    }

    .mobile-nav-menu a::after {
        content: '→';
        opacity: 0;
        transform: translateX(-10px);
        transition: 0.3s ease;
    }

    .mobile-nav-menu a:hover::after {
        opacity: 1;
        transform: translateX(0);
    }

    .mobile-nav-menu a:hover,
    .mobile-nav-menu a.active {
        background: var(--gradient);
        color: white;
        transform: translateY(-2px) scale(1.01);
        box-shadow: 0 5px 15px rgba(255, 107, 107, 0.2);
    }

    .mobile-nav-menu a:active {
        transform: translateY(-1px) scale(0.98);
    }

    .mobile-nav-menu .donate-btn {
        display: flex;
        justify-content: center;
        align-items: center;
        margin-top: 15px;
        background: var(--gradient);
        color: white;
        font-weight: 600;
        letter-spacing: 0.5px;
        text-transform: uppercase;
        padding: 12px 20px;
        font-size: 0.9rem;
        border-radius: 8px;
        box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
    }

    .mobile-nav-menu .donate-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
    }

    .mobile-nav-link i {
        display:inline-flex;
        align-items: center;
        gap:3.5rem;
        margin-right: 1rem;
        font-size: 1.1rem;
        width: 20px;
        text-align: center;
    }
    @keyframes fadeInUp {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    body.menu-open .mobile-nav-menu {
        left: 0;
    }

    body.menu-open {
        overflow: hidden;
    }

    /* Mobile Navigation */
    .nav-links {
        display: none;
    }

    /* Hamburger button */
    .hamburger-menu {
        display: flex;
        padding: 10px;
    }

    /* Enhanced Small Screen Support */
    @media (max-width: 360px) {
        .mobile-nav-menu {
            width: 100%;
            max-width: none;
            padding: 10px;
        }

        .mobile-nav-menu a {
            font-size: 14px;
            padding: 10px;
        }

        .mobile-menu-btn {
            transform: scale(0.9);
        }
    }
}

/* Extra Small Devices (< 360px) */
@media (max-width: 359px) {
    .mobile-nav-menu {
        width: 100%;
        max-width: none;
        padding: 8px;
    }

    .mobile-menu-btn {
        width: 22px;
        height: 22px;
    }

    .mobile-nav-menu a {
        font-size: 13px;
        padding: 8px;
    }
}

/* Small Devices (360px - 480px) */
@media (min-width: 360px) and (max-width: 480px) {
    .mobile-nav-header {
        height: 45px;
    }

    .mobile-nav-menu {
        width: 85%;
        padding: 12px;
    }
}

/* Portrait Tablets and Large Phones (481px - 767px) */
@media (min-width: 481px) and (max-width: 767px) {
    .mobile-nav-menu {
        width: 75%;
        max-width: 350px;
    }
}

/* Landscape Mode */
@media (max-height: 480px) and (orientation: landscape) {
    .mobile-nav-menu {
        height: 85vh;
        overflow-y: auto;
    }

    .mobile-nav-menu ul {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
}

@media (max-width: 479px) {
    .mobile-nav {
        height: 45px;
    }

    .mobile-nav-header {
        padding: 4px 10px;
        height: 45px;
    }

    .mobile-nav-header img {
        height: 25px;
    }

    .mobile-menu-btn {
        width: 28px;
        height: 28px;
    }

    .mobile-nav-menu {
        right: 10px;
        width: 90%;
        padding: 15px;
    }
}

/* Tablet adjustments */
@media (min-width: 768px) and (max-width: 1023px) {
    .mobile-nav-menu {
        top: var(--header-height-tablet);
        max-width: 380px;
    }
}