* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-black: #000000;
            --dark-black: #1a1a1a;
            --medium-black: #2d2d2d;
            --light-black: #3d3d3d;
            --primary-red: #dc2626;
            --light-red: #ef4444;
            --very-light-red: #fecaca;
            --dark-red: #991b1b;
            --white: #ffffff;
            --light-gray: #f3f4f6;
        }
        body {
            background: linear-gradient(135deg, var(--primary-black) 0%, var(--dark-black) 50%, var(--dark-red) 100%);
            color: var(--white);
            min-height: 100vh;
        }
        header {
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(0, 0, 0, 0.9);
            backdrop-filter: blur(10px);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--dark-red);
            direction: ltr;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-size: 1.8rem;
            font-weight: bold;
            text-decoration: none;
        }
        .logo-text {
            color: var(--white);
            font-weight: 700;
            background: linear-gradient(45deg, var(--white), var(--very-light-red));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            display: inline-flex;
            align-items: center;
            vertical-align: middle;
        }
        .back-button {
            color: var(--white);
            text-decoration: none;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            background: rgba(220, 38, 38, 0.2);
            border: 1px solid var(--primary-red);
            border-radius: 8px;
            transition: all 0.3s ease;
        }
        .back-button:hover {
            background: rgba(220, 38, 38, 0.4);
            transform: translateX(-5px);
        }
        .content {
            max-width: 800px;
            margin: 6rem auto 2rem;
            padding: 2rem;
            background: rgba(26, 26, 26, 0.95);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(220, 38, 38, 0.3);
            border-radius: 20px;
        }
        h1 {
            font-size: 2.5rem;
            margin-bottom: 2rem;
            background: linear-gradient(45deg, var(--white), var(--very-light-red));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        h2 {
            color: var(--light-red);
            margin: 1.5rem 0 1rem;
        }
        p {
            color: var(--light-gray);
            line-height: 1.8;
            margin-bottom: 1rem;
        }
        ul {
            color: var(--light-gray);
            padding-right: 2rem;
            margin-bottom: 1rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        @media (max-width: 768px) {
            .content {
                margin: 5rem 1rem 2rem;
                padding: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
        }

        /* Scroll to Top Button */
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 45px;
            height: 45px;
            background: rgba(220, 38, 38, 0.85);
            border: 1px solid var(--primary-red);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 9999;
            backdrop-filter: blur(10px);
        }
        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .scroll-top:hover {
            background: var(--primary-red);
            transform: scale(1.2);
        }
        .scroll-top:active {
            transform: scale(0.88);
            transition: transform 0.1s ease;
        }
        .scroll-top i {
            color: white;
            font-size: 1rem;
        }

        * { -webkit-tap-highlight-color: transparent; }
        *:focus { outline: none; }
        *:focus-visible { outline: none; }