* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
    }
        body {
            background: black;
            font-family: Arial Black, sans-serif;
            width: 100%;
            margin: 0 auto;
            font-size: 18px;
            color: #fff;
        }
        
        h1, h2, h3 { 
            font-family: "Chakra Petch", sans-serif;
            font-weight: 700;
            font-style: normal;
            font-size: 3.5rem;
            line-height: 1;
            margin: 0 0 30px 0;
        }
        p {
            margin: 5px 0;
            }
        a {
            color: white;
            }
        
        .cabecera {
            display: flex;
            justify-content: center;
            background: black;
            height: 80px;
        }
        
        .top {
            background: url(/img-bsn/bsn-background.webp) no-repeat;
            background-position: center;
            background-size: cover;
            height: 900px;
            display: grid;
            place-items: center;
        }
        .formulario {
            width: 70%;
            background: #000;
            padding: 30px;
            text-align: center;
        }
        .resultado {
            color: greenyellow;
            margin-bottom: 20px;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            word-break: break-word;
        }
        .resultado p {text-transform: lowercase;}
        .resultado p:first-letter {text-transform: uppercase;}
        .alerta {
            background-color: #fff3cd;
            color: red;
            padding: 10px;
            margin-bottom: 15px;
            border: 1px solid #ffeeba;
            border-radius: 4px;
        }
        .estadisticas {
            margin-top: 15px;
            font-size: 14px;
            color: #666;
        }
        .formulario input[type="text"],
        .formulario input[type="email"] {
            width: 90%;
            font-size: 1em;
            border: 1px solid #ccc;
            height: 45px;
            margin: 10px 0 35px 0;
            padding-left: 10px;
        }
        button {
            color: white;
            padding: 15px 30px;
            background: #b91c1c;
            letter-spacing: 3px;
            font-weight: bolder;
            border: 0;
            font-size: 20px;
        }
        .formulario button:hover {
            background-color: #45a049;
        }
        .texto {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        .footer {
            background: #b91c1c;
            margin: 0 auto;
            margin-top: 30px;
        }

    /* Estilos para pantallas menores a 800px */
    @media (max-width: 799px) {
        h1, h2, h3 {font-size: 2.2rem;}
        .formulario {
            margin: -5% -17%;
            width: 85%;
            padding: 20px;
        }
                body {
            font-size: 16px;
        }
    }