/* Base Styles */
     :root {
        --primary: #00C853;
        --primary-dark: #00B247;
        --btc: #FFC107;
        --btc-dark: #F57C00;
        --dark: #212121;
        --light: #f8f9fa;
        --gradient: linear-gradient(135deg, var(--primary), var(--btc));
    }

    body {
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        background-color: #f5f7fa;
        padding-top: 80px;
    }

    /* Navbar Styles */
    .navbar {
        background: linear-gradient(135deg, #1a1a1a, #2d2d2d) !important;
        box-shadow: 0 4px 18px rgba(185, 71, 71, 0.1);
        padding: 12px 0;
        transition: all 0.3s ease;
    }

    .navbar.scrolled {
        padding: 8px 0;
        background: rgba(48, 48, 48, 0.95) !important;
        backdrop-filter: blur(10px);
    }

    .navbar-brand {
        font-weight: 700;
        font-size: 1.5rem;
        background: var(--gradient);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        display: flex;
        align-items: center;
    }

    .navbar-brand i {
        margin-right: 8px;
        font-size: 1.8rem;
    }

    .nav-link {
        font-weight: 500;
        padding: 8px 15px !important;
        margin: 0 5px;
        border-radius: 6px;
        transition: all 0.3s ease;
        position: relative;
    }

    .nav-link:hover {
        background: rgba(255, 255, 255, 0.1);
    }

    .nav-link.active {
        background: var(--primary);
        color: white !important;
    }

    .nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 2px;
        background: var(--primary);
        transition: width 0.3s ease;
    }

    .nav-link:hover::after {
        width: 70%;
    }

    .nav-link.active::after {
        width: 70%;
        background: white;
    }

    /* Back Button */
    .back-btn {
        position: fixed;
        bottom: 30px;
        left: 30px;
        background: var(--gradient);
        color: white;
        border: none;
        border-radius: 50px;
        padding: 12px 20px;
        font-weight: 600;
        box-shadow: 0 5px 20px rgba(0, 200, 83, 0.4);
        cursor: pointer;
        z-index: 100;
        display: flex;
        align-items: center;
        transition: all 0.3s ease;
    }

    .back-btn:hover {
        transform: translateY(-3px) scale(1.05);
        box-shadow: 0 8px 25px rgba(0, 200, 83, 0.5);
    }

    .back-btn i {
        margin-right: 8px;
    }

    /* About Section Styles */
    .about-section {
        background-color: white;
        position: relative;
        overflow: hidden;
        padding: 80px 0;
    }

    .about-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgZmlsbD0icmdiYSgyNTUsMjU1LDI1NSwwLjAyKSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3QgZmlsbD0idXJsKCNwYXR0ZXJuKSIgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIvPjwvc3ZnPg==');
        opacity: 0.05;
        z-index: 0;
    }

    .about-section .container {
        position: relative;
        z-index: 1;
    }

    .about-section h1 {
        font-size: 2.8rem;
        font-weight: 700;
        margin-bottom: 40px;
        position: relative;
        display: inline-block;
        background: var(--gradient);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        text-align: center;
        width: 100%;
    }

    .about-section h1::after {
        content: '';
        position: absolute;
        bottom: -15px;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 4px;
        background: var(--gradient);
        border-radius: 2px;
    }

    .about-section h3 {
        font-size: 1.8rem;
        font-weight: 600;
        color: var(--dark);
        margin-bottom: 20px;
        position: relative;
        padding-bottom: 10px;
    }

    .about-section h3::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 60px;
        height: 3px;
        background: var(--primary);
    }

    .about-section p {
        font-size: 1.1rem;
        line-height: 1.8;
        color: #424242;
        margin-bottom: 20px;
    }

    .about-section ul {
        padding-left: 20px;
        margin-bottom: 25px;
    }

    .about-section ul li {
        margin-bottom: 10px;
        position: relative;
        padding-left: 25px;
        font-size: 1.05rem;
        transition: all 0.3s ease;
    }

    .about-section ul li::before {
        content: '✓';
        position: absolute;
        left: 0;
        color: var(--primary);
        font-weight: bold;
    }

    .about-section ul li:hover {
        transform: translateX(5px);
        color: var(--primary);
    }

    /* Card Styles */
    .card {
        border: none;
        border-radius: 12px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
        overflow: hidden;
        position: relative;
        height: 100%;
    }

    .card::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: var(--gradient);
        transition: all 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 30px rgba(0, 200, 83, 0.1);
    }

    .card-body {
        padding: 25px;
    }

    .card-title {
        font-size: 1.3rem;
        font-weight: 600;
        color: var(--primary);
        margin-bottom: 15px;
        position: relative;
        padding-bottom: 10px;
    }

    .card-title::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 40px;
        height: 2px;
        background: var(--primary);
    }

    /* Footer Styles */
    footer {
        background: linear-gradient(135deg, #1a1a1a, #2d2d2d) !important;
        position: relative;
        padding: 50px 0 20px;
        color: white;
    }

    footer::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgZmlsbD0icmdiYSgyNTUsMjU1LDI1NSwwLjAyKSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3QgZmlsbD0idXJsKCNwYXR0ZXJuKSIgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIvPjwvc3ZnPg==');
        opacity: 0.05;
    }

    footer h5 {
        font-size: 1.3rem;
        margin-bottom: 20px;
        position: relative;
        display: inline-block;
        color: white;
    }

    footer h5::after {
        content: '';
        position: absolute;
        bottom: -8px;
        left: 0;
        width: 40px;
        height: 2px;
        background: var(--primary);
    }

    footer a {
        color: #aaa;
        transition: all 0.3s ease;
        text-decoration: none;
    }

    footer a:hover {
        color: white;
        transform: translateX(5px);
    }

    footer hr {
        border-color: rgba(144, 10, 10, 0.1);
        margin: 30px 0;
    }

    /* Animations */
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .animate {
        animation: fadeInUp 0.8s ease-out forwards;
    }

    .delay-1 {
        animation-delay: 0.2s;
    }

    .delay-2 {
        animation-delay: 0.4s;
    }

    .delay-3 {
        animation-delay: 0.6s;
    }

    /* Responsive Adjustments */
    @media (max-width: 991.98px) {
        .about-section h1 {
            font-size: 2.2rem;
        }
        
        .about-section h3 {
            font-size: 1.5rem;
        }
        
        .back-btn {
            bottom: 20px;
            left: 20px;
            padding: 10px 15px;
            font-size: 0.9rem;
        }
    }

    @media (max-width: 767.98px) {
        .about-section h1 {
            font-size: 1.8rem;
        }
        
        .about-section h3 {
            font-size: 1.3rem;
        }
        
        .card {
            margin-bottom: 20px;
        }
        
        .back-btn {
            bottom: 15px;
            left: 15px;
            padding: 8px 12px;
            font-size: 0.8rem;
        }
    }