*
{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    scroll-behavior: smooth;
}

/* header */

.banner
{
    position: relative;
    min-height: 100vh;
    background: url(BG.jpg);
    background-size: cover;
    background-position: right;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

section
{
    padding: 100px;
}

.banner h2
{
    font-size: 3em;
    color: #fff;
    font-weight: 500;
    line-height: 1.5em;
}

.banner h2 span
{
    font-size: 1.5em;
    font-weight: 700;
}

.banner h3
{
    font-size: 1.5em;
    color: #fff;
    font-weight: 500;
}

.btn
{
    position: relative;
    background: #2196f3;
    display: inline-block;
    color: #fff;
    margin: 20px;
    padding: 10px 30px;
    font-size: 18px;
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: 2px;
    font-weight: 500;
    border-radius: 10px;
}

.btn:hover
{
   border-radius: 10px;
    transition: 0.9s;
    background: rgba(0, 110, 255, 0.644);
}

header
{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 40px 100px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: 0.5s;
}

header.sticky
{
    background: #fff;
    padding: 20px 100px;
    box-shadow: 0 5px 20px rgba( 0, 0, 0, 0.1);
}

header .logo 
{
    color: #fff;
    font-size: 24px;
    text-transform: uppercase;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 2px;
}

header.sticky .logo
{
    color: #111;
}

header ul
{
    position: relative;
    display: flex;
}

header ul li 
{
    position: relative;
    list-style: none;
}

header ul li a 
{
    position: relative;
    display: inline-block;
    margin: 0 15px;
    color: #fff;
    text-decoration: none;
}

header.sticky ul li a
{
    color: #111;
}

/*Course*/

.heading
{
    width: 100%;
    text-align: center;
    margin-bottom: 30px;
    color: #111;
}

.heading h2
{
    font-weight: 600;
    font-size: 30px;
}

.content
{
    display: flex;
    justify-content: space-between;
}

.contentBx 
{
    padding-right: 30px;
}

.w50 .img
{
    width: 600px;
    height: 400px;
}

.contentBx h3
{
    font-size: 24px;
    margin-bottom: 10px;
}

.w50 
{
    min-width: 50%;
}

img 
{
    max-width: 100%;
}

/*project*/

.projects 
{
    background: #111;
}

.heading.white
{
    color: #fff;
}

.projects .content
{
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    flex-direction: row;
}

.projects .content .ProjectBx
{
    padding: 40px 20px;
    background: #222;
    color: #fff;
    max-width: 340px;
    margin: 20px;
    text-align: center;
    transition: 0.5s;
}

.projects .content .ProjectBx:hover
{
    background: grey;
}

.projects .content .ProjectBx img
{
    max-width: 80px;
    filter: invert(1);
}

.projects .content .ProjectBx h2
{
    font-size: 20px;
    font-weight: 600;
}

.ProjectBx li
{   
    list-style: none;
}

.ProjectBx li a
{
    text-decoration: none;
    color: white;
}

/*concept*/

.Concept .content
{
    justify-content: center;
}

.slider
{
    width: 800px;
    height: 500px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 1px 2px 10px 10px black;
}

.slides
{
    width: 500%;
    height: 500px;
    display: flex;
}

.slides input
{
    display: none;
}

.slide 
{
    width: 20%;
    transition: 2s;
    list-style-type: none;
}

.slide img
{
    width: 800px;
    height: 500px;
}

.navigation-manual
{
    position: absolute;
    width: 800px;
    margin-top: -40px;
    display: flex;
    justify-content: center;
}

.manual-btn1
{
    border: 2px solid white;
    padding: 5px;
    border-radius: 10px;
    cursor: pointer;
    transition: 1s;
}

.manual-btn1:not(:last-child)
{
    margin-right: 40px;
}

.manual-btn1:hover
{
    background: blue;
}

.manual-btn2
{
    border: 2px solid white;
    padding: 5px;
    border-radius: 10px;
    cursor: pointer;
    transition: 1s;
}

.manual-btn2:not(:last-child)
{
    margin-right: 40px;
}

.manual-btn2:hover
{
    background: red;
}

.manual-btn3
{
    border: 2px solid white;
    padding: 5px;
    border-radius: 10px;
    cursor: pointer;
    transition: 1s;
}

.manual-btn3:not(:last-child)
{
    margin-right: 40px;
}

.manual-btn3:hover
{
    background: yellow;
}

.manual-btn4
{
    border: 2px solid white;
    padding: 5px;
    border-radius: 10px;
    cursor: pointer;
    transition: 1s;
}

.manual-btn4:not(:last-child)
{
    margin-right: 40px;
}

.manual-btn4:hover
{
    background: purple;
}

.manual-btn5
{
    border: 2px solid white;
    padding: 5px;
    border-radius: 10px;
    cursor: pointer;
    transition: 1s;
}

.manual-btn5:not(:last-child)
{
    margin-right: 40px;
}

.manual-btn5:hover
{
    background: greenyellow;
}

.manual-btn6
{
    border: 2px solid white;
    padding: 5px;
    border-radius: 10px;
    cursor: pointer;
    transition: 1s;
}

.manual-btn6:not(:last-child)
{
    margin-right: 40px;
}

.manual-btn6:hover
{
    background: grey;
}

#radio1:checked ~ .first
{
    margin-left: 0;
}

#radio2:checked ~ .first
{
    margin-left: -20%;
}

#radio3:checked ~ .first
{
    margin-left: -40%;
}

#radio4:checked ~ .first
{
    margin-left: -60%;
}

#radio5:checked ~ .first
{
    margin-left: -80%;
}

#radio6:checked ~ .first
{
    margin-left: -100%;
}

.navigation-auto
{
    position: absolute;
    display: flex;
    width: 800px;
    justify-content: center;
    margin-top: 460px;
}

.navigation-auto div
{
    border: 2px solid #40D3DC;
    padding: 5px;
    border-radius: 10px;
    transition: 1s;
}

.navigation-auto div:not(:last-child)
{
    margin-right: 40px;
}

#radio1:checked ~ .navigation-auto .auto-btn1
{
    background: #40D3DC;
}

#radio2:checked ~ .navigation-auto .auto-btn2
{
    background: #40D3DC;
}

#radio3:checked ~ .navigation-auto .auto-btn3
{
    background: #40D3DC;
}

#radio4:checked ~ .navigation-auto .auto-btn4
{
    background: #40D3DC;
}

#radio5:checked ~ .navigation-auto .auto-btn5
{
    background: #40D3DC;
}

#radio6:checked ~ .navigation-auto .auto-btn6
{
    background: #40D3DC;
}

/*Database*/

.Database
{
    background:  #222;
}

.Database .heading
{
    color: white;
}

.DatabaseBx 
{
    width: 800px;
    height: 500px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 1px 2px 10px 10px white;
    list-style: none;
}

.DatabaseBx img
{
    width: 800px;
    height: 500px;
}

.content 
{
    border-radius: 10px;
    justify-content: center;
}

/*Documentation*/

.Documentation
{
    background: white;
}

.Documentation
{
    color: #fff;
}

.Documentation .content
{
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    flex-direction: row;
}

.DocBx
{
    box-shadow: 1px 2px 10px 10px black;
    height: 600px;
    border-radius: 10px;
    overflow: hidden;
}

/*copyright*/

.copyright
{
    background: #000;
    color: #fff;
    text-align: center;
    padding: 10px;
}