main {
    min-height: 100vh;
    padding: 60px 20px 80px;
    background:#0f0f0f;
    color: #f5f5f5;
    position: relative;
    overflow: hidden;
    max-width: 90%;
    width: 1300px;
    margin: 0 auto;
}

main>* {
    position: relative;
    z-index: 1;
}

main h1 {
    text-align: center;
    margin-bottom: 28px;
    color: #ffc107;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

#informacion-cuestionario-plan-nutricional {
    margin: 0 auto 40px;
    padding: 28px 30px;
    border: 1px solid rgba(255, 193, 7, 0.22);
    border-radius: 24px;
}

#informacion-cuestionario-plan-nutricional p {
    margin: 0 0 14px;
    color: #dddddd;
    line-height: 1.7;
}

form {
    display: grid;
    gap: 24px;
}

fieldset {
    border: 1px solid rgba(255, 193, 7, 0.2);
    border-radius: 24px;
    padding: 30px 24px 24px;
    background: black;
}

legend {
    padding: 10px 16px;
    border-radius: 999px;
    background: #ffc107;
    color: #111;
    font-weight: 900;
    font-size: 0.98rem;
    text-transform: uppercase;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #ffffff;
    font-weight: 500;
}

input[type="text"],
input[type="mail"],
input[type="email"],
input[type="number"],
input[type="tel"],
input[type="password"] {
    width: 100%;
    box-sizing: border-box;
    margin: 0 0 18px;
    padding: 15px 16px;
    border-radius: 16px;
    border: 1px solid rgba(255, 193, 7, 0.18);
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    font-size: 0.98rem;
    outline: none;
    transition: 0.25s;
}

input:focus {
    border-color: #ffc107;
}

fieldset input[type="radio"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 193, 7, 0.6);
    border-radius: 50%;
    margin-right: 8px;
    vertical-align: middle;
    cursor: pointer;
    position: relative;
}

fieldset input[type="radio"]:checked {
    border-color: #ffc107;
}

fieldset input[type="radio"]:checked::after {
    content: "";
    position: absolute;
    inset: 3px;
    border-radius: 50%;
    background: #ffc107;
}

fieldset br {
    display: block;
    margin-bottom: 10px;
}

/* radio + texto alineados */
fieldset {
    line-height: 1.7;
}

fieldset input[type="radio"],
fieldset input[type="radio"]+input[type="text"] {
    display: inline-block;
    vertical-align: middle;
}

fieldset input[type="radio"]+input[type="text"] {
    width: auto;
    min-width: 200px;
    margin-left: 8px;
}

.btn-enviar,
input[type="submit"] {
    width: 100%;
    max-width: 320px;
    justify-self: center;
    margin-top: 8px;
    padding: 16px 24px;
    border: none;
    border-radius: 18px;
    background: #ffc107;
    color: #111;
    font-size: 1rem;
    font-weight: 900;
    letter-spacing: 0.8px;
    cursor: pointer;
    transition: 0.25s;
}

.btn-enviar:hover,
input[type="submit"]:hover {
    transform: translateY(-3px);
}


.opcion-radio {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.opcion-otro {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.opcion-otro input[type="text"] {
    flex: 1;
    min-width: 220px;
    margin: 0;
}

.input-error {
    border-color: #ff4d4f !important;
    box-shadow: 0 0 0 4px rgba(255, 77, 79, 0.12) !important;
}

.fieldset-error {
    border-color: #ff4d4f !important;
    box-shadow: 0 0 0 2px rgba(255, 77, 79, 0.08) !important;
}

@media (max-width: 768px) {
    main {
        padding: 36px 14px 60px;
    }

    fieldset {
        padding: 26px 16px 20px;
    }

    fieldset input[type="radio"]+input[type="text"] {
        width: 100%;
        margin-left: 0;
        margin-top: 8px;
        display: block;
    }

    .btn-enviar,
    input[type="submit"] {
        max-width: 100%;
    }
    h1{
        font-size:17px;
    }
}