/* ========================================
   Modern Header - Fully Responsive Design
   ======================================== */

/* 1. HEADER CONTAINER */
.main-header {
    background: transparent;
    transition: all 0.4s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 99999 !important;
    position: relative;
}

/* Sticky/Fixed State */
.main-header.fixed-header {
    background: rgba(10, 10, 10, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
}

/* 2. DESKTOP NAVIGATION (992px+) */
@media (min-width: 992px) {

    /* Navigation List Items - Position Context */
    .main-menu .navigation>li {
        position: relative !important;
        display: inline-block;
        margin-right: 5px;
    }

    /* FIX: Force hide mobile menu buttons on desktop */
    .navbar-collapse .menu-btns {
        display: none !important;
    }

    /* Navigation Links - BOLD & PROMINENT */
    .main-menu .navigation>li>a {
        font-family: 'Surgena', sans-serif;
        font-weight: 700 !important;
        /* Extra Bold */
        font-size: 18px !important;
        letter-spacing: -0.3px;
        color: rgba(255, 255, 255, 0.95) !important;
        padding: 30px 20px;
        transition: all 0.3s ease;
        position: relative;
        display: block;
        text-transform: capitalize;
    }

    /* Hover State */
    .main-menu .navigation>li:hover>a,
    .main-menu .navigation>li.current>a {
        color: #ffffff !important;
        text-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
    }

    /* Hover Underline Effect */
    .main-menu .navigation>li>a::after {
        content: '';
        position: absolute;
        bottom: 20px;
        left: 20px;
        width: 0;
        height: 3px;
        background: linear-gradient(90deg, #2979ff, #00e5ff);
        transition: width 0.3s ease;
        box-shadow: 0 0 10px rgba(41, 121, 255, 0.6);
    }

    .main-menu .navigation>li:hover>a::after,
    .main-menu .navigation>li.current>a::after {
        width: calc(100% - 40px);
    }

    /* Invisible Bridge - Prevents Flicker */
    .main-menu .navigation>li::after {
        content: '';
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        height: 50px;
        background: transparent;
        z-index: 100;
    }

    /* DROPDOWN MENUS */
    .main-menu .navigation>li>ul {
        position: absolute;
        top: 100%;
        left: 0;
        min-width: 260px;
        background: rgba(15, 15, 15, 0.98);
        backdrop-filter: blur(20px);
        border: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
        border-radius: 0 0 15px 15px;
        padding: 15px 0;
        margin: 0;

        /* Animation */
        opacity: 0;
        visibility: hidden;
        transform: translateY(15px);
        transition: all 0.3s ease;
        z-index: 1000;
    }

    /* Show Dropdown on Hover */
    .main-menu .navigation>li:hover>ul {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    /* Dropdown Items */
    .main-menu .navigation ul li {
        display: block;
        position: relative;
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }

    .main-menu .navigation ul li:last-child {
        border-bottom: none;
    }

    .main-menu .navigation ul li a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 30px;
        font-size: 16px;
        font-weight: 600 !important;
        /* Bold dropdown items */
        color: rgba(255, 255, 255, 0.8) !important;
        transition: all 0.3s;
    }

    .main-menu .navigation ul li:hover>a {
        color: #ffffff !important;
        background: linear-gradient(90deg, rgba(41, 121, 255, 0.15), transparent);
        padding-left: 40px;
    }

    /* FIX: Mobile Sub-menu Color & Text Visibility */
    .navbar-collapse .navigation>li>ul {
        display: none;
        position: relative !important;
        width: 100%;
        margin: 0 !important;
        border: none !important;
        box-shadow: none !important;
        background: transparent !important;
        padding: 5px 0 !important;
    }

    .navbar-collapse .navigation ul li {
        width: 100%;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
    }

    /* Sub-menu Links - EXACTLY like Top Level */
    .navbar-collapse .navigation ul li ul li a {
        padding: 10px 20px 10px 30px !important;
        /* Indented */
        font-size: 16px !important;
        font-family: 'Surgena', sans-serif !important;
        color: #000000 !important;
        /* Force BLACK */
        font-weight: 700 !important;
        /* Force BOLD */
        text-transform: capitalize !important;
        background: transparent !important;
    }

    .navbar-collapse .navigation ul li ul li a:hover {
        color: #2979ff !important;
        background: rgba(0, 0, 0, 0.03) !important;
    }

    /* 3. MOBILE NAVIGATION (< 992px) - FIXED FOR VIEWPORT */
    @media (max-width: 991px) {

        /* FIX: Mobile header must have fixed height */
        .main-header {
            height: 60px !important;
            min-height: 60px !important;
            max-height: 60px !important;
        }

        /* Mobile Header Layout - Fix Overlap & Spacing */
        .header-upper {
            height: 60px !important;
            display: flex !important;
            align-items: center !important;
            justify-content: space-between !important;
            gap: 20px !important;
            /* Increased gap for separation */
            padding-right: 15px;
        }

        /* ... [existing toggle styles] ... */

        /* [Skip to menu buttons] */

        /* Ensure Action Buttons are visible in Mobile Menu */
        .navbar-collapse .menu-btns {
            display: block !important;
            margin-top: 25px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            width: 100%;
        }

        .navbar-collapse .menu-btns .theme-btn {
            display: block !important;
            width: 100%;
            text-align: center;
            padding: 14px;
            font-size: 16px;
            background: linear-gradient(135deg, #2979ff, #00e5ff);
            box-shadow: 0 5px 20px rgba(41, 121, 255, 0.4);
        }

        .menu-btns .theme-btn:active {
            transform: scale(0.98);
        }

        /* 6. HEADER CONTACT INFO */
        .header-number {
            color: rgba(255, 255, 255, 0.9);
            font-weight: 600;
            font-size: 15px;
            transition: all 0.3s;
        }

        .header-number:hover {
            color: #ffffff;
            text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
        }

        .header-number i {
            color: #2979ff;
            margin-right: 8px;
        }

        /* 7. SCROLLBAR STYLING (Mobile Menu) */
        @media (max-width: 991px) {
            .navbar-collapse::-webkit-scrollbar {
                width: 6px;
            }

            .navbar-collapse::-webkit-scrollbar-track {
                background: rgba(255, 255, 255, 0.05);
                border-radius: 10px;
            }

            .navbar-collapse::-webkit-scrollbar-thumb {
                background: rgba(41, 121, 255, 0.5);
                border-radius: 10px;
            }

            .navbar-collapse::-webkit-scrollbar-thumb:hover {
                background: rgba(41, 121, 255, 0.8);
            }
        }