body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #e9ecef;
    color: #495057;
}

header .container img {
    width: 30%;
    margin: 0;
    padding: 0 20px 0 20px;
    max-height: 96px;
    max-width: 80px;
}

header .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    max-width: 100dvw;
    margin: 0;
    overflow: hidden;
}

.container p, nav {
    width: 100%;
}

.container nav ul{
    padding: 0;
    margin: 0;
    margin-top: 10px;
}

.container p {
    margin: 0;
    margin-top: 1%;
}

header {
    background-image: url(imagenes/mat1.jpg);/*#212529;*/
    background-position: center;
    background-size: cover;
    background-position-y: 0px;
    color: #fff;
    padding: 10px 0;
    text-align: center;
    border-bottom: 5px solid #ffc107;
}

header p, nav ul {
    text-shadow: 3px 3px 4px #000 ;
}

header h1 {
    margin: 0;
    font-size: 3em;
    text-shadow: 3px 3px 4px #000 ;
}

.slogan {
    margin-top: 5px;
    color: #fff;
}

header nav ul {
    padding: 0;
    list-style: none;
    margin-top: 20px;
}

header nav li {
    display: inline;
    margin: 0 15px;
}

header nav a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
    transition: color 0.3s;
}

header nav a:hover {
    color: #ffc107;
}

main {
    padding: 30px 0;
}

section {
    padding: 30px;
    margin-bottom: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

#contacto {
    display: flex;
    justify-content: center;
}

#contacto .container {
    width: 80%;
}

h2 {
    text-align: center;
    color: #212529;
    font-size: 2em;
    margin-bottom: 25px;
}

.servicio {
    margin-bottom: 20px;
}

.servicio h3 {
    color: #007bff;
}

.galeria {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.galeria img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

form label {
    display: block;
    margin: 15px 0 5px;
    font-weight: bold;
}

form input, form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ced4da;
    border-radius: 8px;
    box-sizing: border-box;
}

.btn-enviar {
    display: block;
    width: 100%;
    padding: 15px;
    background: #ffc107;
    color: #212529;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 25px;
    font-size: 1.1em;
    font-weight: bold;
    transition: background-color 0.3s;
}

.btn-enviar:hover {
    background-color: #e0a800;
}

footer {
    background: #212529;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 30px;
}

@media screen and (max-width: 430px) {

    .container h1 {
        font-size: 1.6rem;
    }
}