* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7f6;
    color: #1a2231;
    line-height: 1.6;
}

h1 {
    color: #1a2231;
    margin-bottom: 5px;
    text-align: center;
    margin-top: 10px;
}

.formularioContacto {
    max-width: 600px;
    margin: 20px auto;
    padding: 30px;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(25, 34, 49, 0.1);
}

.formularioContacto label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #1a2231;
}

.formularioContacto input,
.formularioContacto textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s;
}

.formularioContacto input:focus,
.formularioContacto textarea:focus {
    border-color: #1a2231;
    outline: none;
}

.botonEnviar {
    display: flex;
    justify-content: center;
    align-items: center;
}

.formularioContacto button {
    background-color: #334361;
    color: #ffffff;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.2s;
}

.formularioContacto button:hover {
    background-color: #0d1018;
}

.estado-envio {
    margin-top: 12px;
    text-align: center;
    font-weight: 600;
    font-size: 0.95rem;
}

.toast-validacion {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.96);
    background: #1f2937;
    color: #fff;
    padding: 12px 16px;
    border-radius: 999px;
    font-size: 0.95rem;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.25);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 9999;
    max-width: calc(100vw - 24px);
    text-align: center;
}

.toast-validacion.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.toast-validacion.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast-validacion.error {
    background: #b91c1c;
}

@media (max-width: 480px) {
    body {
        padding: 12px;
    }

    h1 {
        font-size: 1.6rem;
        margin-top: 6px;
    }

    .formularioContacto {
        width: 100%;
        max-width: 100%;
        padding: 18px 14px;
        border-radius: 10px;
        margin: 12px auto 20px;
    }

    .formularioContacto label,
    .formularioContacto input,
    .formularioContacto textarea,
    .formularioContacto button {
        font-size: 15px;
    }

    .formularioContacto textarea {
        min-height: 110px;
    }

    .botonEnviar {
        width: 100%;
    }

    .estado-envio {
        font-size: 0.9rem;
        line-height: 1.4;
    }
}