* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

.second-section {
    display: grid;
    grid-template-rows: auto 1fr;
    gap: 20px;
    padding: 20px;
    max-width: 100%;
    margin: 50;
}

.second-section .section-title {
    font-size: 2em;
    text-align: center;
    color: #333;
    margin: 10px 0; }

.second-section .section-subtitle {
    font-size: 1.2em;
    text-align: center;
    color: #666;
    margin-bottom: 15px; 
}

@media (max-width: 768px) {
    .second-section .section-title {
        font-size: 1.5em;
    }
    .second-section .section-subtitle {
        font-size: 1em;
    }
}

#izquierda {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
    margin: 0 auto;
    max-width: 90%;
}

#izquierda button {
    color: #fff;
    border: none;
    padding: 10px;
    cursor: pointer;
    transition: background 0.3s;
    border-radius: 5px;
    font-size: 13px; 
    font-weight: bold;   
    width: 110%; 
    height: 70px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
} 

button {
width:40px;
height:40px;
}

#programa1 {
    background-image: url('<?php echo base_url(); ?>recursos/img/m5.jpg');
    background-size: cover;
    background-position: center; 
}

#programa2 {
    background-image: url('/fotos/fotos/covers/cap. 2.jpg');
    background-size: cover;
    background-position: center; 
}


#programa3 {
    background-image: url('/fotos/fotos/covers/cap. 3.jpg');
    background-size: cover;
    background-position: center; 
}

#programa4 {
    background-image: url('/fotos/fotos/covers/cap. 4.jpg');
    background-size: cover;
    background-position: center; 
}

#programa5 {
    background-image: url('/fotos/fotos/covers/cap. 5.jpg');
    background-size: cover;
    background-position: center; 
}

#programa6 {
    background-image: url('/fotos/fotos/covers/cap. 6.jpg');
    background-size: cover;
    background-position: center; 
}

#programa7 {
    background-image: url('/fotos/fotos/covers/cap. 7.jpg');
    background-size: cover;
    background-position: center; 
}

#programa8 {
    background-image: url('/fotos/fotos/covers/cap. 8.jpg');
    background-size: cover;
    background-position: center; 
}

#programa9 {
    background-image: url('/fotos/fotos/covers/cap. 9.jpg');
    background-size: cover;
    background-position: center; 
}

#programa10 {
    background-image: url('/fotos/fotos/covers/cap. 10.jpg');
    background-size: cover;
    background-position: center; 
}

#programa11 {
    background-image: url('/fotos/fotos/covers/cap. 11.jpg');
    background-size: cover;
    background-position: center; 
}

#programa12 {
    background-image: url('/fotos/fotos/covers/cap. 12.jpg');
    background-size: cover;
    background-position: center; 
}

#programa13 {
    background-image: url('/fotos/fotos/covers/cap. 13.jpg');
    background-size: cover;
    background-position: center; 
}

#programa14 {
    background-image: url('/fotos/fotos/covers/cap. 14.jpg');
    background-size: cover;
    background-position: center; 
}

#programa15 {
    background-image: url('/fotos/fotos/covers/cap. 15.jpg');
    background-size: cover;
    background-position: center; 
}

#programa16 {
    background-image: url('/fotos/fotos/covers/cap. 16.jpg');
    background-size: cover;
    background-position: center; 
}

#programa17 {
    background-image: url('/fotos/fotos/covers/cap. 17.jpg');
    background-size: cover;
    background-position: center; 
}

#programa18 {
    background-image: url('/fotos/fotos/covers/cap. 18.jpg');
    background-size: cover;
    background-position: center; 
}

#programa19 {
    background-image: url('/fotos/fotos/covers/cap. 19.jpg');
    background-size: cover;
    background-position: center; 
}

#izquierda button::before {
    content: "";
    position: absolute;
    top: 0; 
    left: 0;
    right: 0; 
    bottom: 0;
    z-index: 1;
}

#izquierda button span {
    position: relative;
    z-index: 2; 
    color: #ffffff;
    font-weight: bold;
}

#izquierda button:hover {
    filter: brightness(0.9);
}

#derecha {
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 10px;
    padding: 20px;
    min-height: 400px;
}

.frame {
    width: 100%;
    max-width: 1200px; 
    margin: 0 auto;
    overflow: hidden; 
}

.frame iframe {
    width: 100%;
    height: 400px;
    border: none;
}

#programSelect {
    display: none;
    padding: 10px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: 5px;
    width: 100%;
    max-width: 300px;
}

@media (max-width: 1150px) {


    .frame {
        max-width: 100%;
    }

    .frame iframe {
        width: 100%;
        height: 350px;
    }

    
}

@media (max-width: 768px) {
    #programSelect {
        display: block;
        margin: 0 auto;
    }
    #izquierda {
        display: none;
    }
    .frame iframe {
        width: 100%;
        height: 400px;
    }

}

@media (max-width: 550px) {
    .frame iframe {
        width: 100%;
        height: 400px;
    }
}

@media (max-width: 480px) {
    .frame iframe {
        height: 350px;
    }
}