:root {
            --primary-color: #ffc107;
            --dark-color: #212529;
            --light-color: #f8f9fa;
            --white: #ffffff;
            --success: #28a745;
            --danger: #dc3545;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--dark-color);
        }

        /* Navigation */
        .navbar {
            background: var(--white) !important;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 25px 0;
        }

        .navbar-brand {
            font-size: 2.5rem;
            font-weight: bold;
            color: #24282D !important;
        }

        .navbar-nav .nav-link {
            font-weight: 500;
            margin: 0 10px;
            color: var(--dark-color) !important;
            transition: color 0.3s;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary-color) !important;
        }

        .btn-login {
            background: var(--primary-color);
            color: var(--dark-color);
            border: none;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 600;
            transition: all 0.3s;
            margin-right: 10px;
            margin-left: 10px;
        }

        .btn-login:hover {
            /* background: #e0a800; */
            background: var(--dark-color);
            color: var(--primary-color);
            transform: translateY(-2px);
        }

        .btn-login i {
            margin-right: 5px;
        }

        .btn-register {
            background: var(--dark-color);
            color: var(--primary-color);
            border: none;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 600;
            transition: all 0.3s;
        }

        .btn-register:hover {
            background: var(--primary-color);
            color: var(--dark-color);
            transform: translateY(-2px);
        }

        .btn-register i {
            margin-right: 5px;
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(135deg, var(--dark-color) 0%, #343a40 100%);
            color: var(--white);
            overflow: hidden;
            padding: 170px 0 50px;
            /* padding: 150px 0; */
            position: relative;
            
        }

        .hero-content h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            animation: fadeInUp 1s ease-out;
        }

        .hero-content p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            animation: fadeInUp 1s ease-out 0.2s both;
        }

        .hero-stats {
            display: flex;
            gap: 30px;
            margin-top: 40px;
            animation: fadeInUp 1s ease-out 0.4s both;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-color);
        }

        .btn-primary-custom {
            background: var(--primary-color);
            color: var(--dark-color);
            border: none;
            padding: 15px 30px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-block;
        }

        .btn-primary-custom:hover {
            background: var(--dark-color);
            color: var(--white);
            transform: translateY(-3px);
            border: 2px solid white;
            /* box-shadow: 0 10px 20px rgba(33, 37, 41, 0.3); */
        }

        .btn-secondary-custom {
            /* background: var(--primary-color); */
            color: white;
            border: 2px solid white;
            padding: 15px 30px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-block;
        }

        .btn-secondary-custom:hover {
            background: white;
            color: var(--dark-color);
            transform: translateY(-3px);
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Investment Plans */
        .plans-section {
            padding: 80px 0;
            background: var(--light-color);
        }

        .plan-card {
            background: var(--white);
            border-radius: 15px;
            padding: 30px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s;
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .plan-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }

        .plan-header {
            background: var(--primary-color);
            color: var(--dark-color);
            padding: 20px;
            margin: -30px -30px 30px -30px;
            border-radius: 15px 15px 0 0;
        }

        .plan-name {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .plan-roi {
            font-size: 2.5rem;
            font-weight: 700;
            /* color: var(--success); */
            margin: 20px 0;
        }

        .plan-duration {
            background: var(--dark-color);
            color: var(--white);
            padding: 5px 15px;
            border-radius: 20px;
            display: inline-block;
            margin: 10px 0;
        }

        .plan-features {
            list-style: none;
            margin: 20px 0;
        }

        .plan-features li {
            padding: 8px 0;
            border-bottom: 1px solid #eee;
        }

        .plan-features li:last-child {
            border-bottom: none;
        }

        .support-badge {
            background: var(--success);
            color: var(--white);
            padding: 5px 10px;
            border-radius: 15px;
            font-size: 0.8rem;
            position: absolute;
            top: 15px;
            right: 15px;
        }

        /* Calculator */
        .calculator-section {
            padding: 80px 0;
            background: var(--white);
        }

        .calculator-card {
            background: var(--light-color);
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .form-control {
            border-radius: 10px;
            border: 2px solid #ddd;
            padding: 12px 15px;
            margin-bottom: 20px;
        }

        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.25);
        }

        .form-label {
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--dark-color);
        }

        .calculation-result {
            background: var(--primary-color);
            color: var(--dark-color);
            border-radius: 10px;
            padding: 25px;
            margin-top: 20px;
        }

        .result-row {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            padding: 5px 0;
        }

        .result-row.total {
            border-top: 2px solid var(--dark-color);
            padding-top: 15px;
            margin-top: 15px;
            font-weight: 700;
            font-size: 1.1rem;
        }

        /* Testimonials */
        .testimonials-section {
            padding: 80px 0;
            background: var(--dark-color);
            color: var(--white);
        }

        .testimonial-card {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            padding: 30px;
            text-align: center;
            backdrop-filter: blur(10px);
        }

        .testimonial-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--primary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 2rem;
            color: var(--dark-color);
        }

        /* FAQ */
        .faq-section {
            padding: 80px 0;
            background: var(--light-color);
        }

        .accordion-button {
            background: var(--white);
            color: var(--dark-color);
            font-weight: 600;
        }

        .accordion-button:not(.collapsed) {
            background: var(--primary-color);
            color: var(--dark-color);
        }

        /* Features Section */
        .features-section {
            background: #ff8c00;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .features-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.1) 100%);
            pointer-events: none;
        }

        .feature-card {
            text-align: center;
            padding: 30px 15px;
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 15px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            height: 100%;
            position: relative;
            color: white;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.2);
            border: 2px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
        }

        .feature-icon {
            width: 70px;
            height: 70px;
            background: rgba(255, 255, 255, 0.2);
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            transition: all 0.3s ease;
        }

        .feature-icon i {
            font-size: 1.8rem;
            color: white;
        }

        .feature-card:hover .feature-icon {
            background: rgba(255, 255, 255, 0.3);
            border-color: rgba(255, 255, 255, 0.6);
            transform: scale(1.05);
        }

        .feature-card h4 {
            font-size: 1.3rem;
            font-weight: 700;
            color: white;
            margin-bottom: 15px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .feature-card p {
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.5;
            margin: 0;
            font-size: 0.9rem;
            font-weight: 400;
        }

        /* Footer */
        .footer {
            background: var(--dark-color);
            color: var(--white);
            padding: 50px 0 20px;
        }

        .footer h5 {
            color: var(--primary-color);
            margin-bottom: 20px;
        }

        .footer a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer a:hover {
            color: var(--primary-color);
        }

        .footer li {
            margin-bottom: 15px;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 2.5rem;
            }
            
            .hero-stats {
                flex-direction: column;
                gap: 20px;
            }
            
            .ticker-item {
                margin-right: 30px;
                font-size: 12px;
            }

            .calculator-left,
            .calculator-right {
                margin: 0;
                margin-bottom: 20px;
            }

            .about-crypto-views {
                justify-content: center;
            }
            .price-header,
            .crypto-view {
                justify-content: center;
            }

            .footer {
                padding-left: 3%;
                padding-right: 3%;
            }
        }

        /* About CoinBean Section - Improved */
        .about-coinbean-section {
            padding: 120px 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f8f9fa 100%);
            position: relative;
            overflow: hidden;
        }

        .about-coinbean-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="about-pattern" x="0" y="0" width="40" height="40" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="%23ffc107" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23about-pattern)"/></svg>');
        }

        .about-content-wrapper {
            position: relative;
            z-index: 2;
        }

        .about-image-container {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            /* box-shadow: 0 25px 70px rgba(0, 0, 0, 0.15); */
            margin-bottom: 30px;
            /* height: 550px; */
            transition: all 0.4s ease;
        }

        .about-image-container:hover {
            transform: translateY(-10px);
            /* box-shadow: 0 35px 90px rgba(255, 193, 7, 0.25); */
        }

        /* .about-image-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(255, 193, 7, 0.08), rgba(255, 193, 7, 0.03));
            z-index: 1;
        } */

        .about-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .about-image-container:hover .about-image {
            transform: scale(1.03);
        }

        .about-content {
            padding-left: 50px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            height: 100%;
        }

        .about-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary-color), #ffb300);
            color: var(--dark-color);
            padding: 10px 24px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 25px;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            align-self: flex-start;
            box-shadow: 0 4px 15px rgba(255, 193, 7, 0.3);
        }

        .about-title {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--dark-color);
            margin-bottom: 25px;
            line-height: 1.15;
            letter-spacing: -0.5px;
        }

        .about-title .highlight {
            color: var(--primary-color);
            position: relative;
            display: inline-block;
        }

        /* .about-title .highlight::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), rgba(255, 193, 7, 0.3));
            border-radius: 2px;
        } */

        .about-description {
            font-size: 1.15rem;
            color: #5a6c7d;
            line-height: 1.75;
            margin-bottom: 35px;
            font-weight: 400;
            max-width: 95%;
        }

        .about-features {
            list-style: none;
            padding: 0;
            margin-bottom: 45px;
        }

        .about-features li {
            display: flex;
            align-items: center;
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: var(--dark-color);
            font-weight: 500;
            position: relative;
        }

        .about-features li::before {
            content: '';
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, var(--primary-color), #ffb300);
            border-radius: 50%;
            margin-right: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 3px 10px rgba(255, 193, 7, 0.3);
        }

        .about-features li::after {
            content: '✓';
            position: absolute;
            left: 6px;
            color: var(--dark-color);
            font-weight: bold;
            font-size: 14px;
            z-index: 1;
        }

        .about-cta {
            display: flex;
            gap: 25px;
            align-items: center;
            margin-bottom: 20px;
        }

        .btn-about-primary {
            background: linear-gradient(135deg, var(--primary-color), #ffb300);
            color: var(--dark-color);
            border: none;
            padding: 16px 35px;
            border-radius: 35px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            /* box-shadow: 0 8px 25px rgba(255, 193, 7, 0.3); */
            letter-spacing: 0.5px;
        }

        .btn-about-primary:hover {
            background: linear-gradient(135deg, #ffb300, #ff8f00);
            transform: translateY(-4px);
            /* box-shadow: 0 12px 35px rgba(255, 193, 7, 0.4); */
            color: var(--dark-color);
        }

        .btn-about-secondary {
            color: var(--dark-color);
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all 0.3s ease;
            font-size: 1.05rem;
            padding: 8px 0;
        }

        .btn-about-secondary:hover {
            color: var(--primary-color);
            transform: translateX(8px);
        }

        .btn-about-secondary i {
            transition: transform 0.3s ease;
        }

        .btn-about-secondary:hover i {
            transform: translateX(5px);
        }


        .about-crypto-views {
            margin-top: 60px;
            padding-top: 50px;
            border-top: 2px solid rgba(255, 193, 7, 0.1);
        }

        .price-header {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark-color);
            margin-bottom: 25px;
            line-height: 1.15;
            letter-spacing: -0.5px;
        }

        .price-header .highlight {
            color: var(--primary-color);
            position: relative;
            display: inline-block;
        }

        .crypto-views {
            display: flex;
            gap: 40px;
            flex-wrap: nowrap;
        }

        .crypto-view-card {
            background: #1f1f1f;
            padding: 20px 10px;
            border-radius: 20px;
        }

        .floating-elements-about {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            pointer-events: none;
            z-index: 1;
        }

        .floating-shape {
            position: absolute;
            background: linear-gradient(135deg, rgba(255, 193, 7, 0.08), rgba(255, 193, 7, 0.03));
            border-radius: 50%;
            animation: float-shape 10s ease-in-out infinite;
        }

        .floating-shape:nth-child(1) {
            width: 120px;
            height: 120px;
            top: 8%;
            left: 3%;
            animation-delay: 0s;
        }

        .floating-shape:nth-child(2) {
            width: 80px;
            height: 80px;
            top: 65%;
            right: 8%;
            animation-delay: 4s;
        }

        .floating-shape:nth-child(3) {
            width: 100px;
            height: 100px;
            bottom: 15%;
            left: 12%;
            animation-delay: 8s;
        }

/* Mobile Menu Styles */
.mobile-menu-toggle {
    background: none;
    border: none;
    padding: 12px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.mobile-menu-toggle:hover {
    background: rgba(255, 193, 7, 0.1);
    transform: scale(1.05);
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border-radius: 2px;
    margin: 2px 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.mobile-menu-toggle:hover .hamburger-line {
    background: var(--dark-color);
    box-shadow: 0 2px 6px rgba(255, 193, 7, 0.3);
}

/* Active state animation */
.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
    background: var(--white);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
    background: var(--white);
}

/* Mobile navbar layout */
@media (max-width: 991.98px) {
    .navbar .container {
        display: flex;
        align-items: center;
        justify-content: space-between !important;
        width: 100%;
    }
    
    .navbar-brand {
        flex-shrink: 0;
        margin-left: 15px;
    }
    
    .mobile-menu-toggle {
        flex-shrink: 0;
        margin-right: 15px;
    }
}

/* Desktop navbar keeps centered layout */
@media (min-width: 992px) {
    .navbar .container {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Mobile Slide Menu */
.mobile-slide-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: linear-gradient(135deg, var(--dark-color) 0%, #343a40 50%, #495057 100%);
    z-index: 9999;
    transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
}

.mobile-slide-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.mobile-menu-logo {
    color: var(--white);
    font-size: 1.4rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mobile-menu-logo i {
    color: var(--primary-color);
    font-size: 1.6rem;
}

.mobile-menu-close {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 1.8rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-close:hover {
    color: var(--white);
    background: rgba(255, 193, 7, 0.2);
    transform: rotate(90deg);
}

.mobile-menu-content {
    padding: 2rem 0;
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav-list li {
    margin-bottom: 0;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    padding: 1.2rem 2rem;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    font-weight: 500;
    font-size: 1.1rem;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--primary-color);
    background: rgba(255, 193, 7, 0.1);
    border-left-color: var(--primary-color);
    transform: translateX(8px);
}

.mobile-nav-link i {
    width: 24px;
    margin-right: 1rem;
    text-align: center;
    font-size: 1.1rem;
}

/* Special styling for login/register buttons in mobile menu */
.mobile-nav-login {
    background: rgba(255, 193, 7, 0.1);
    border-left-color: var(--primary-color);
    margin: 1rem 2rem 0.5rem 2rem;
    border-radius: 8px;
    border-left: none;
}

.mobile-nav-register {
    background: rgba(255, 193, 7, 0.9);
    color: var(--dark-color) !important;
    margin: 0.5rem 2rem 1rem 2rem;
    border-radius: 8px;
    border-left: none;
    font-weight: 600;
}

.mobile-nav-register:hover {
    background: var(--primary-color);
    color: var(--dark-color) !important;
    transform: translateX(0) translateY(-2px);
    /* box-shadow: 0 4px 12px rgba(255, 193, 7, 0.4); */
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    backdrop-filter: blur(2px);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Hide mobile menu on desktop */
@media (min-width: 992px) {
    .mobile-menu-toggle,
    .mobile-slide-menu,
    .mobile-menu-overlay {
        display: none !important;
    }
}

/* Mobile menu animations */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(100%);
    }
}

/* Responsive adjustments for mobile menu */
@media (max-width: 480px) {
    .mobile-slide-menu {
        width: 100%;
        right: -100%;
    }
    
    .mobile-menu-header {
        padding: 1.2rem 1.5rem;
    }
    
    .mobile-nav-link {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    .mobile-nav-login,
    .mobile-nav-register {
        margin-left: 1.5rem;
        margin-right: 1.5rem;
    }
}

@media (max-width: 992px) {
        .crypto-views {
        flex-wrap: wrap;
    }    
}