.hero-section {
            padding: 8rem 0 6rem;
            background: var(--gradient-dark);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 80%;
            height: 150%;
            background: radial-gradient(circle, rgba(0, 217, 255, 0.15) 0%, transparent 70%);
            animation: pulse 8s ease-in-out infinite;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -20%;
            width: 70%;
            height: 120%;
            background: radial-gradient(circle, rgba(255, 0, 128, 0.1) 0%, transparent 70%);
            animation: pulse 10s ease-in-out infinite reverse;
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
                opacity: 1;
            }
            50% {
                transform: scale(1.1);
                opacity: 0.8;
            }
        }

        .hero-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .hero-section h1 {
            margin-bottom: 2rem;
            animation: fadeInUp 0.8s ease-out;
        }

        .hero-section p {
            font-size: 1.25rem;
            max-width: 900px;
            margin: 0 auto 3rem;
            line-height: 1.8;
            animation: fadeInUp 0.8s ease-out 0.2s backwards;
        }

        .hero-section .cta-button {
            font-size: 1.3rem;
            padding: 20px 50px;
            animation: fadeInUp 0.8s ease-out 0.4s backwards;
        }

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

        .table-of-contents {
            padding: 4rem 0;
            background: var(--dark-blue);
        }

        .toc-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            list-style: none;
            padding: 0;
            margin-top: 2rem;
        }

        .toc-list li {
            background: var(--dark);
            border-radius: 12px;
            transition: all 0.3s ease;
            border: 1px solid rgba(0, 217, 255, 0.1);
        }

        .toc-list li:hover {
            transform: translateX(8px);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .toc-list a {
            display: block;
            padding: 1.5rem;
            color: var(--text-light);
            font-weight: 500;
            position: relative;
            padding-left: 3rem;
        }

        .toc-list a::before {
            content: '→';
            position: absolute;
            left: 1.5rem;
            color: var(--primary);
            font-size: 1.2rem;
            transition: transform 0.3s ease;
        }

        .toc-list li:hover a::before {
            transform: translateX(5px);
        }

        section {
            padding: 5rem 0;
        }

        section:nth-child(even) {
            background: var(--dark-blue);
        }

        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .bonus-card {
            background: var(--dark);
            border-radius: 16px;
            padding: 2.5rem;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(0, 217, 255, 0.1);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }

        .bonus-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-secondary);
        }

        .bonus-card:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: var(--shadow-lg);
            border-color: var(--secondary);
        }

        .bonus-card h4 {
            color: var(--secondary);
            margin-bottom: 1.5rem;
            font-size: 1.75rem;
        }

        .security-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .feature-item {
            background: var(--dark);
            padding: 2rem;
            border-radius: 12px;
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

        .feature-item:hover {
            transform: translateX(8px);
            box-shadow: var(--shadow-md);
        }

        .accordion-item {
            background: var(--dark-blue);
            border-radius: 12px;
            margin-bottom: 1.5rem;
            overflow: hidden;
            border: 1px solid rgba(0, 217, 255, 0.1);
            transition: all 0.3s ease;
        }

        .accordion-item:hover {
            border-color: var(--primary);
        }

        .accordion-header {
            padding: 1.75rem 2rem;
            cursor: pointer;
            user-select: none;
            position: relative;
            font-size: 1.25rem;
            color: var(--text-light);
            margin: 0;
            transition: color 0.3s ease;
        }

        .accordion-header::after {
            content: '+';
            position: absolute;
            right: 2rem;
            top: 50%;
            transform: translateY(-50%);
            font-size: 2rem;
            color: var(--primary);
            transition: transform 0.3s ease;
        }

        .accordion-item.active .accordion-header {
            color: var(--primary);
        }

        .accordion-item.active .accordion-header::after {
            transform: translateY(-50%) rotate(45deg);
        }

        .accordion-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 2rem;
        }

        .accordion-item.active .accordion-body {
            max-height: 1000px;
            padding: 0 2rem 2rem;
        }

        .cta-section {
            padding: 6rem 0;
            background: var(--gradient-dark);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 217, 255, 0.2) 0%, transparent 70%);
            transform: translate(-50%, -50%);
            animation: rotate 20s linear infinite;
        }

        @keyframes rotate {
            from {
                transform: translate(-50%, -50%) rotate(0deg);
            }
            to {
                transform: translate(-50%, -50%) rotate(360deg);
            }
        }

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

        .cta-section h2 {
            margin-bottom: 1.5rem;
            font-size: clamp(2.5rem, 5vw, 3.5rem);
        }

        .cta-section p {
            font-size: 1.5rem;
            margin-bottom: 2.5rem;
            color: var(--text-muted);
        }

        .cta-section .cta-button {
            font-size: 1.4rem;
            padding: 22px 60px;
        }

        @media (max-width: 767px) {
            .hero-section {
                padding: 5rem 0 4rem;
            }

            .hero-section h1 {
                font-size: 2.5rem;
            }

            .hero-section p {
                font-size: 1.1rem;
            }

            section {
                padding: 3rem 0;
            }

            .cards-grid {
                grid-template-columns: 1fr;
            }

            .toc-list {
                grid-template-columns: 1fr;
            }

            .security-features {
                grid-template-columns: 1fr;
            }

            .cta-section {
                padding: 4rem 0;
            }

            .cta-section h2 {
                font-size: 2rem;
            }

            .cta-section p {
                font-size: 1.2rem;
            }

            .accordion-header {
                padding: 1.5rem 1.5rem;
                font-size: 1.1rem;
            }

            .accordion-header::after {
                right: 1.5rem;
            }

            .accordion-body {
                padding: 0 1.5rem;
            }

            .accordion-item.active .accordion-body {
                padding: 0 1.5rem 1.5rem;
            }
        }

        @media (min-width: 768px) and (max-width: 1023px) {
            .hero-section {
                padding: 6rem 0 5rem;
            }

            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }