/* ===== ESTILO GENERAL ===== */

body{
    font-family: Arial;
    background-color: #f2f2f2;
    margin: 0;
    padding: 0;
}

/* ===== HEADER ===== */

header{
    background-color: #003566;
    color: white;
    text-align: center;
    padding: 20px;
}

header h1{
    font-size: 36px;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: bold;
    text-shadow: 2px 2px 5px rgba(0,0,0,0.3);
    margin: 0;
}

/* ===== MENU ===== */

nav{
    background-color: #00509d;
    padding: 15px;
    text-align: center;
}

nav a{
    color: white;
    text-decoration: none;
    margin: 15px;
    font-weight: bold;
}

nav a:hover{
    color: yellow;
}

/* ===== GALERÍA 3X3 ===== */

.galeria-videos{
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3 columnas */
    gap: 25px;
    padding: 30px;
}

/* cada video */
.video-item{
    display: flex;
    flex-direction: column;
    align-items: center;

    background-color: white;
    padding: 10px;
    border-radius: 10px;

    box-shadow: 2px 2px 10px gray;
    transition: transform 0.3s;
}

.video-item:hover{
    transform: scale(1.05);
}

/* título */
.video-item h3{
    font-size: 18px;
    font-weight: bold;
    color: #003566;
    text-align: center;
    margin-bottom: 10px;
    text-transform: uppercase;
}

/* imagen */
.video-item img{
    width: 100%;
    height: auto;
    border-radius: 10px;
}

/* ===== RESPONSIVE ===== */

@media (max-width: 900px){
    .galeria-videos{
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px){
    .galeria-videos{
        grid-template-columns: 1fr;
    }
}

/* ===== FOOTER ===== */

footer{
    background-color: #00509d;
    color: white;
    text-align: center;
    padding: 15px;
    margin-top: 20px;
}