/* fondo */
body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
}

/* header */
header {
    background-image: linear-gradient(60deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.3)), url(./assets/img/Imagen_Abejas.jpg);
    background-size: cover;
    background-position: center;
    padding: 5rem 0;
}

/* card de proyectos */
.card-img-top {
    object-fit: cover;
    height: 200px;
}

/* contacto */
section#contacto {
    background-color: #e0f7fa;
    padding: 3rem 0;
}

/* formulario */
.form-control {
    border: 1px solid #00796b;
    padding: 0.75rem;
}

.btn-primary {
    background-color: #00796b;
    border: none;
    padding: 10px 20px;
}

.btn-primary:hover {
    background-color: #004d40;
}
/* footer */


/* Mobile First */
body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
}

/* header */
header {
    background-image: linear-gradient(60deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.3)), url(./assets/img/Imagen_Abejas.jpg);
    background-size: cover;
    background-position: center;
    padding: 5rem 0;
}

/* Card de proyectos */
.card-img-top {
    object-fit: cover;
    height: 200px;
}

/* contacto */
section#contacto {
    background-color: #e0f7fa;
    padding: 3rem 0;
}

/* formulario */
.form-control {
    border: 1px solid #00796b;
    padding: 0.75rem;
}

.btn-primary {
    background-color: #00796b;
    border: none;
    padding: 10px 20px;
}

.btn-primary:hover {
    background-color: #004d40;
}

/* footer */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem;
}

/* Media queries pantallas pequeñas */
@media (max-width: 767px) {
    header {
        padding: 3rem 0;
    }

    .container {
        padding-left: 15px;
        padding-right: 15px;
    }

    .navbar-nav {
        text-align: center;
    }

    .card-img-top {
        height: 150px;
    }

    .btn-primary {
        font-size: 14px;
        padding: 8px 16px;
    }

    footer {
        font-size: 12px;
    }
}

/* Media queries tablets */
@media (min-width: 768px) and (max-width: 1023px) {
    header {
        padding: 4rem 0;
    }

    .card-img-top {
        height: 200px;
    }

    .navbar-nav {
        justify-content: space-evenly;
    }

    .btn-primary {
        font-size: 16px;
        padding: 10px 20px;
    }

    footer {
        font-size: 14px;
    }
}

/* Media queries pantalla grande */
@media (min-width: 1024px) {
    header {
        padding: 6rem 0;
    }

    .container {
        max-width: 1200px;
    }

    .card-img-top {
        height: 250px;
    }

    .navbar-nav {
        justify-content: flex-end;
    }

    .btn-primary {
        font-size: 18px;
        padding: 12px 24px;
    }

    footer {
        font-size: 16px;
    }
}

/* validación */
#message {
    font-size: 1.2rem;
    padding: 10px;
    margin-top: 20px;
}

.alert {
    font-weight: bold;
    padding: 10px;
    border-radius: 5px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}