* {
    font-family: Arial, Helvetica, sans-serif;
    box-sizing: border-box;
}

body {
    margin: 0;
    background-color: black;
}

header {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    background-color: white;
}

header img {
    width: 300px;
    height: auto;
}

nav {
    margin-left: auto;
}

nav ul {
    display: flex;
    gap: 20px;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav a {
    text-decoration: none;
    color: black;
    padding: 8px 12px;
    display: inline-block;
    transition: background-color 0.3s ease, color 0.3s ease;
}

nav a:hover {
    background-color: black;
    color: white;
}

.trabajo {
    background-color: black;
    color: white;
    padding: 50px 40px;
}

.trabajo h1 {
    font-size: 38px;
    margin: 0 0 30px 0;
    text-transform: uppercase;
    text-align: center;
    color: white;
}

.intro-trabajo {
    font-size: 17px;
    line-height: 1.6;
    text-align: justify;
    color: white;
    max-width: 1000px;
    margin: 0 auto 40px auto;
}

.pasos-trabajo {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.paso {
    border: 1px solid white;
    padding: 25px;
    background-color: black;
    color: white;
    transition: background-color 0.4s ease, color 0.3s ease;
}

.paso:hover {
    background-color: white;
    color: black;
}

.paso h2 {
    margin-top: 0;
    text-transform: uppercase;
    font-size: 24px;
}

.paso p {
    line-height: 1.6;
}

.video-trabajo {
    margin-top: 50px;
    text-align: center;
}

.video-trabajo h2 {
    text-transform: uppercase;
    margin-bottom: 20px;
}

.video-trabajo p {
    max-width: 900px;
    margin: 0 auto 25px auto;
    line-height: 1.6;
}

.video-trabajo video {
    width: 100%;
    max-width: 900px;
    border: 1px solid white;
    display: block;
    margin: 0 auto;
}

.footer {
    background-color: black;
    padding: 20px 40px 10px 40px;
    text-align: center;
}

.footer p {
    margin: 0;
    font-size: 12px;
    color: #777;
    line-height: 1.4;
}