*{
    body-sizing: border-box;
}

html{
   scroll-behavior: smooth;
}

body{
    background-color: rgb(222, 237, 239); 
    font-family: Arial, Helvetica, sans-serif;
    font-size: 20px;
    margin: 0px;
}

h1{ font-size: 60px;}
h2{ font-size: 40px;}
h3{ font-size: 30px;}
p{ font-size: 20px;}
li{ font-size: 15px;}

button{
    font-size: 20px;
    font-weight: bold;
    color: white;
    background-color: rgb(35, 109, 199);
    padding: 10px 20px;
    border-radius: 10px;
    border: 2px solid rgb(27, 93, 173);
    box-shadow: 3px 3px 10px rgba(8, 8, 8, 0.7);
    background-position: center;
}

button:hover{
    background-color: rgb(145, 198, 239);
}

.container{
    max-height: 1100px;
    max-width: 1280px;
    margin: auto;
}


header{
    background-color: rgb(182, 211, 254);
    position: fixed;

    height: 300px;
    width: 100%;
    justify-content: center;
}
header .logo{
    display: flex;
    align-items: center;
    margin-right: 10px;
}
header .container{
    display:flex;
    flex-direction: column;
    align-items: center;
}
header nav{
    display: flex;
    flex-direction: column;
    text-align: center;
    padding-bottom: 10px;
}
header a{
    padding: 5px 5px;
    text-decoration: none;
    font-weight: bold;
    font-family:Arial, Helvetica, sans-serif;
    font-size: 30px;
    color: rgb(0, 0, 0);
}
header a:hover{
    color: rgb(77, 138, 245);
}




#presentacion{

    display: flex;
    background-color: #d9e9f8;
    align-content: center;
    height: 400px;
    padding: 200px;
}
#presentacion .container{
    width: 100%;
} 
#presentacion h2{
    align-items: center;
    font-size: 50px;
    text-align: center;
    padding: 20px;
}
#presentacion h3{
    align-items: center;
    font-size: 30px;
    text-align: center;
    padding: 20px;
}

#quienes {
        height: 10px;
        background-color: #d9e9f8;
        align-content: center; 
        padding: 10px 10px;   
}
#quienes .container{
    padding: 0px 10px; 
    display: flex;
    justify-content:center;
}

#quienes .texto{
    margin-top: 0px;
    width: 40%;
    text-align:justify;
    padding: 10px 20px;
}
#quienes h2{
    color: rgb(10, 10, 209);
    font-size: 50px;
    text-align: center;
    margin-top: 0;
}
#quienes p{
    color: rgb(15, 15, 109);
    font-size: 20px;
    text-align: justify;
}


#categorias{
    background-color: #d9e9f8;
    color: rgb(255, 255, 255);
    text-align: center;
    height: 1800px;
    padding: 200px 0px;
}
#categorias .container{
    text-align: center;
    padding: 400px 10px;
}

#categorias .carta{
    background-position: center center;
    background-size: cover;
    height: 300px;
    padding: 20px 20px;
    margin: 20px 20px;
    border-radius: 20px;
}
#categorias h2{
    margin-top: 0px;
    font-size: 45px;
    padding: 30px 10px;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    color: rgb(10, 10, 209);
}
#categorias h3{
    font-family: Arial, Helvetica, sans-serif;
    padding:10px 20px;
    font-size: 35px;
}
#categorias p{
    padding: 5px 5px;
    font-size: 22px;
    font-family:Arial, Helvetica, sans-serif;
    color: white;
    font-weight: bold;
}

.carta:nth-child(1){
background-image: linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.7),
      rgba(0, 0, 0, 0.7) 
    )
    ,url("graficos/Sistema-CCTV-150x50.jpg");
}
.carta:nth-child(2){
    background-image:  linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.7),
      rgba(0, 0, 0, 0.7) 
    )
    ,url("graficos/Equipos-Control-de-acceso-150x50.jpg");
}
.carta:nth-child(3){
    background-image: linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.7),
      rgba(0, 0, 0, 0.7)  
    )
    ,url("graficos/Interfonos-Videoporteros.jpg-150x50.jpg");
}

#categorias .informacion-adicional p{
    padding: 20px 20px;
    font-size: 25px;
    color: rgb(10, 10, 209);
    font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-weight: bold;
}


#atencion{
    display: flex;
    height: 1800px;
    background-color: #d9e9f8;
    padding: 200px;
}
#atencion .container{
    align-items: center;
    padding: 200px 10px;
}
#atencion h2{
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-size: 50px;
    color: rgb(10, 10, 209);
    text-align: center;
    padding: 50px 20px;
}
#atencion ul{
    padding: 20px 10px;
    align-items: center;
}

#atencion li{
    margin: 20px 10px;
    font-size: 25px;
    color: rgb(20, 69, 112);
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    font-weight: bold;
    text-align: justify;
} 

#atencion .img-container{
    background-image: url("graficos/Foto-cotizacion2-250x200.jpg");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 500px;
    padding: 500px 10px;
}




#estamos {
    display: flex;
    height: 1700px;
    background-color: #d9e9f8;
    align-items: center;
    padding: 150px 0px;
}
#estamos .container{
    text-align: center;  
    padding: 150px 20px;
}
#estamos h2{
    text-align: center;
    padding: 10px 20px;
    font-size: 50px;
    color: rgb(10, 10, 209);
}
#estamos p{
    align-items: center;
    text-align: justify;
    padding: 10px 100px;
    font-size: 25px;
    font-weight: bold;
    color: rgb(31, 98, 180);
}
#estamos .map-container{
    align-items: center;
    background-position: center;
    padding: 200px 10px;
    height: 100%;
}



#contactanos{
    height: 1600px;
    background-color: #d9e9f8;
    margin: 0;
    box-sizing: border-box;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center; 
    padding: 200px 10px;
}

#contactanos .form-content{
    background-color: rgb(150, 173, 213);
    height: 650px;
    width: 600px;
    padding: 10px 50px; 
    border-radius: 25px; 
}

#contactanos .form-content h2{
    color: rgb(10, 10, 209);
    font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-size: 35px;
    padding: 5px 5px;
    text-align: center;

}
#contactanos .form-content h3{
    color: rgb(72, 159, 240);
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 20px;
    padding: 5px 5px;
    text-align: center;
}

label{
    font-size: 20px;
    color: rgb(2, 64, 118);
    margin-bottom: 10px;
    padding: 10px 10px;
}
input, textarea{
    padding: 15x 5px;
    background-color: rgb(174, 204, 234);
    border: 0;
    font-size: 15px;
    color: rgb(3, 32, 114);
    margin-bottom: 15px;
    border-radius: 10px;
    padding: 10px 90px;
}

:focus{
    outline: 3px solid rgb(31, 98, 180);
}
.btn{
    background-color: rgb(115, 165, 227);
    align-self: flex-end;
    width: 100px;
    padding: 10px 10px;
    color: white;
    cursor: pointer;
}
.btn:hover{
    background-color: rgb(31, 98, 180);
}



footer {
    background-color: rgb(182, 211, 254);
}
footer p{
    margin: 10px;
    font-size: 15px;  
}
footer .container{
    height: 50px; 
    display: flex;
    justify-content: center;
    align-items: center;
}








@media (min-width: 780px){
   

    header{
        height: 100px;
        display: flex;
        justify-content: space-between;
    }
    header .container{
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 100px;
    }
    header .img-container{
        background-image: url("graficos/Logo-JR-200x75.png");
        background-size: cover;
        flex-direction:initial;
        height: 75px;
        width: 200px;
    }
    header nav{
        flex-direction: row;
        padding-bottom: 0;
        padding-right: 10px;
    }
    header a{
        margin-top: 15px;
        padding: 12px 5px;
        font-size: 17px;
        font-weight: bold;
    }
    


    #presentacion{

        align-content: center;
        height: 100%;
        padding: 100px;


        color: rgb(212, 214, 221);
        font-family:'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;


        background-size: 50%;
        background-image: linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.7),
        rgba(0, 0, 0, 0.7) 
        )
        ,url("graficos/Foto-JR-Electronica-JR-750x550.jpg");
        background-repeat: no-repeat;
        background-size: cover;
        background-position:center center;
        padding: 80px 20px;
} 
#presentacion h2{
    align-items: center;
    font-size: 50px;
    text-align: center;
}
#presentacion h3{
    align-items: center;
    font-size: 25px;
    text-align: center;
}



#quienes {
        height: 1000px;
        padding: 50px;
        background-color: #d9e9f8;
        padding: 100px 10px;
}
#quienes .container{
    display: flex;
    justify-content: center; 
    align-items: center;

}
#quienes .texto{
        width: 60%;
        text-align:justify;
        padding: 20px 30px;
}

#quienes .img-container{
        background-image: url("graficos/Foto-chica-control-acceso-400x600.jpg");
        background-size: cover;
        height: 600px;
        width: 400px;
}
#quienes h2{
        color: rgb(10, 10, 209);
        font-size: 40px;
        text-align: center;
}
#quienes p{
        color: rgb(15, 15, 109);
        font-size: 20px;
        text-align: justify;
}



#categorias{
    background-color: #d9e9f8;
    color: rgb(255, 255, 255);
    text-align: center;
    height: 1000px;
}
#categorias .container{
    text-align: center;
    padding: 50px 10px;
}
#categorias .productos{
    display: flex;
    justify-content: center;
}
#categorias h2{
    margin-top: 0px 10px;
    font-size: 50px;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    color: rgb(10, 10, 209);
}
#categorias h3{
    font-family: Arial, Helvetica, sans-serif;
    padding: 100px 10px;
    font-size: 25px;
}
#categorias p{
    display: block;
    padding: 10px 10px;
    font-size: 20px;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    color: rgb(6, 6, 6);
    font-weight: bold;
}

#categorias .carta{
    background-position-y: 0;
    background-size: 300px 300px;
    background-repeat: no-repeat;
    background-color: #bad7f1;
    height: 750px;
    width: 280px;
    padding: 10px 10px;
    margin: 15px 15px;
    border-radius: 15px;
}
.carta:nth-child(1){
    background-image: linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.5),
      rgba(0, 0, 0, 0.5) 
    )
    ,url("graficos/Foto-reparacion-DVR2-200x200.jpg");
}
.carta:nth-child(2){
    background-image:  linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.5),
      rgba(0, 0, 0, 0.5) 
    )
    ,url("graficos/Foto-Kit-control-acceso-200x200.jpg");
}
.carta:nth-child(3){
    background-image: linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.5),
      rgba(0, 0, 0, 0.5)  
    )
    ,url("graficos/Foto-kit-videoportero-200x200.jpg");
}




#atencion {
    display: flex;
    height: 1300px;
    background-color: #d9e9f8;
}

#atencion .container{
    align-items: center;
    padding: 200px 5px;
}
#atencion h2{
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-size: 50px;
    color: rgb(10, 10, 209);
    text-align: center;
    padding: 25px 10px;
}
#atencion ul{
    padding: 5px 5px;
    align-items: center;
}

#atencion li{
    margin: 10px 0px;
    font-size: 20px;
    color: rgb(20, 69, 112);
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    font-weight: bold;
    text-align: justify;
} 

#atencion .img-container{
    align-items: center;
    padding: 200px 20px;
    background-size: 350px 250px;
    background-position: center;
    background-image: url("graficos/Foto-cotizacion2-750x550.jpg");
    background-repeat: no-repeat;
}




#estamos {
    display: flex;
    height: 1700px;
    background-color: #d9e9f8;
    align-items: center;
    padding: 10px 10px;
}
#estamos .container{

    text-align: center;
    padding: 0px 20px;  
}
#estamos h2{
    text-align: center;
    padding: 0px 10px;
    font-size: 50px;
    color: rgb(10, 10, 209);
}
#estamos p{
    align-items: center;
    text-align: justify;
    padding: 10px 20px;
    font-size: 20px;
    font-weight: bold;
    color: rgb(31, 98, 180);
}
#estamos .map-container{
    align-items: center;
    background-position: center;
    padding: 50px 10px;
    height: 200px;
    width: 100%;
}




#contactanos{
    height: 1600px;
    background-color: #d9e9f8;
    margin: 0;
    padding: 10px 10px;
    box-sizing: border-box;
    align-items: center;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;  
}
#contactanos .form-content{
    padding: 10px 30px; 
    border-radius: 15px; 
}

#contactanos .form-content h2{
    color: rgb(10, 10, 209);
    font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-size: 35px;
    padding: 0px 5px;
    text-align: center;
}
#contactanos .form-content h3{
    color: rgb(92, 163, 230);
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 20px;
    padding: 0px 5px;
}

label{
    font-size: 18px;
    font-family: Arial, Helvetica, sans-serif;
    color: rgb(2, 64, 118);
    margin-bottom: 5px;
}
input, textarea{
    padding: 10x 5px;
    background-color: rgb(174, 204, 234);
    border: 0;
    font-size: 18px;
    font-family: Arial, Helvetica, sans-serif;
    color: rgb(3, 32, 114);
    margin-bottom: 15px;
    border-radius: 10px;
}
.btn{
    background-color: rgb(115, 165, 227);
    width: 150px;
    color: white;
    align-self: flex-end;
    cursor: pointer;
}
.btn:hover{
    background-color: rgb(31, 98, 180);
}




:focus{
    outline: 3px solid rgb(17, 71, 250);
}


footer {
    background-color: rgb(182, 211, 254);
}
footer p{
    margin: 10px;
    font-size: 15px;  
}
footer .container{
    height: 50px; 
    display: flex;
    justify-content: center;
    align-items: center;
}
}