body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #1f1f1f;
    font-size: 16px;
}


.video-fondo {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.video-fondo video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


.container-principal {
    background-color: #ffffffe8;
    max-width: 1000px;
    margin: 40px auto 60px auto;
    padding: 50px;
    border-radius: 20px;
}


.titulo h1 {
    text-align: center;
    font-weight: bold;
    letter-spacing: 1px;
    font-size: 3rem;
}

.titulo hr {
    width: 60%;
    margin: 15px auto;
    border: 2px solid #0d6efd;
}


.introduccion p {
    text-align: justify;
    line-height: 1.8;
    font-size: 1.15rem;
    font-family: Georgia, 'Times New Roman', Times, serif;
}


.navbar {
    padding: 20px;
}

.navbar-brand {
    font-weight: bold;
}

.navbar .btn {
    margin-left: 8px;
    border-radius: 10px;
}

.navbar .btn:hover {
    background-color: #e9ecef;
    color: #0d6efd;
}

.navbar .btn i {
    font-size: 16px;
}


.imagen-intro {
    max-width: 55%;
}


.footer {
    background-color: #212529;
    color: white;
    text-align: center;
    padding: 15px 0;
}


.listas {
    margin-top: 40px;
}

.listas h2 {
    text-align: center;
    margin-bottom: 25px;
    font-weight: bold;
}

.listas .list-group {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 15px;
    overflow: hidden;
}

.listas .list-group-item {
    background-color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    padding: 15px 20px;
}

.listas .list-group-item:hover {
    background-color: #f1f5ff;
}

.habilidades {
    max-width: 900px;
    margin: 0 auto;
    padding: 30px 20px;
}

.carousel-inner img {
    height: 450px;
    width: 100%;
    object-fit: contain;
    background-color: #000;
}


@media (max-width: 768px) {

    .container-principal {
        margin: 20px 15px 50px 15px;
        padding: 25px;
        border-radius: 15px;
    }

    .titulo h1 {
        font-size: 2rem;
    }

    .introduccion p {
        font-size: 1rem;
    }

    .imagen-intro {
        max-width: 100%;
    }

    .navbar {
        padding: 12px;
    }

    .navbar-brand {
        font-size: 1.2rem;
    }

    .carousel-inner img {
        height: 250px;
    }
}