* { box-sizing: border-box; }
        
        body, html { 
            margin: 0; 
            padding: 0; 
            width: 100%;
            min-height: 100vh; 
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
        }

        
        .bg-container {
            background-image: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), url("bou1.png");
            background-position: center center;
            background-repeat: no-repeat;
            background-size: cover;
            background-attachment: fixed; 
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px; 
        }

       
        .content-box {
            background: rgba(0, 0, 0, 0.8); 
            color: white;
            padding: 40px 30px;
            text-align: center;
            border-radius: 12px;
            max-width: 600px;
            width: 100%;
            border: 1px solid rgba(255,255,255,0.1);
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }

        h1 {
            margin: 0 0 15px 0;
            font-size: clamp(1.5rem, 5vw, 2.5rem); 
            letter-spacing: 1px;
        }

        p {
            font-size: 1.1rem;
            line-height: 1.6;
            margin-bottom: 25px;
            color: #ddd;
        }

        
        .btn-buy {
            background-color: #e41e26; 
            color: white;
            padding: 18px 35px;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.2rem;
            border-radius: 6px;
            display: inline-block;
            transition: transform 0.2s, background-color 0.2s;
            text-transform: uppercase;
        }

        .btn-buy:hover {
            background-color: #ff2a32;
            transform: translateY(-2px);
        }

        .footer-text {
            margin-top: 20px;
            font-size: 0.85rem;
            color: #888;
        }