@font-face {
	font-family: Prime Regular;
	src: url(font/Prime_Regular.otf);
}
@font-face {
	font-family: Dual;
	src: url(font/Dual-300.otf);
}
@font-face {
	font-family: OpenB;
	src: url(font/OpenSans-Bold.ttf);
}
@font-face {
	font-family: OpenI;
	src: url(font/OpenSans-Light.ttf);
}
*{
    margin: 0;
    box-sizing: border-box;
}
body {
    background-color: #e8e8e8;
}

nav {
    width: 100%;
    height: 70px;
    background-color: #111;
    font-family: OpenB;
    color:white;
}
nav{
    width: 100%;
    position: absolute;
    color:black;
    list-style: none;
    z-index: 2;
    
}
nav > .container_menu {
    //background-color: red;
    width: 70%;
    height: 100%;
    margin: 0 auto;
}
@media only screen and (max-width: 1300px) {
    nav > .container_menu {
        width: 100%;
    }
}
nav > .container_menu > .left {
    float:left;
}
nav > .container_menu > .right {
    float:right;
}

nav > .container_menu > .left > .logo{
    width: 210px;
    height: 56px;
    margin-top: 7px;
    margin-left: 20px;
    background-image: url(img/logo.png);
    background-repeat: no-repeat;
}

nav ul {
    margin-right: 100px;
}
nav  ul > a > li {
    display: inline-block;
}
nav  ul > a > li {
    height: 70px;
    text-align: center;
    color:white;
    text-decoration: none;
    font-size: 18px;
    font-family: "OpenI", sans-serif;
    line-height: 70px;
    padding: 0 20px;
-webkit-transition: all 0.5s ease-in-out, -webkit-transform 0.5s;
  -o-transition: all 0.5s ease-in-out, -o-transform 0.5s;
  -moz-transition: all 0.5s ease-in-out, -moz-transform 0.5s;
}

nav  ul > a:hover li {
    border-bottom: 5px solid red;
}
.sticky
{
	width: 100%;
	position: fixed;
	left: 0;
	top: 0;
	z-index: 100;
    background: rgba(46, 46, 46, 0.80);
}

.hamburger_btn {
    width: 40px;
    height: 35px;
    border: 0;
    border-top: 5px solid white;
    background: transparent;
    position: relative;
    right: 50%;
    display: none;
    transition: 0.3s transform linear; 
}
.hamburger_btn::before, .hamburger_btn::after {
    content: '';
    position: absolute;
    top:0;
    left:0;
    width: 100%;
    border-top: 5px solid white;
    transform: translateY(10px);
}
.hamburger_btn::after {
    transform: translateY(25px);
    transition: 0.3s transform linear; 
}
.hamburger_btn:focus {
    border: none;
    transform: rotate(45deg) translate(5px);
}
.hamburger_btn:focus::after {
    transform: rotate(-90deg) translateX(-10px);
}
@media only screen and (max-width: 900px) {
    nav {
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 1px 3px rgba(0, 0, 0, 0.5);
        top:0;
        padding: 10px;
        
    }
    nav ul{
        width: 100%;
        display: block;
        position: absolute;
        top: 55px;
        left: 0;
        margin: 0;
        padding: 0;
    }
    nav ul > a > li {
        margin: 0px;
        width: 100%;
        height: 50px;
        float:left;
        line-height: 50px;
        text-align: center;
        background: rgba(28, 28, 28, 0.64);
        border-bottom: 1px solid #525252;
    }
    
    nav  ul > a:hover li{
        border: none;
        border-bottom: 1px solid #525252;
        text-decoration:underline;
    }
    nav > .container_menu > .left > .logo{
        margin: 0;
    }
    .menu {
        position: absolute;
        top:0;
        left:0;
        width: 100%;
        transform: translateY(-250px);
        transition: 0.6s transform ease-in-out;
    }
    

    
    .hamburger_btn{
        display: block;
        margin-top: 10px;
    }
    
    .hamburger_btn:focus ~ .menu, menu:hover {
        display: block;
    }
    
    #header > #content > .tekst {
        width: 100%;
        font-size: 4vw;
    }
    #header > #content > .button button {
        left:10%;
        width: 80%;
    }
    .hamburger_btn:focus ~ .menu , .menu:hover {
        transform: translateY(0);
    }
}

.header {
	display:flex;
	justify-content: center;
	align-items: center;
    float: left;
    width:100%;
    height: 100vh;
    background-image: url(prace/header.jpg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    background-attachment: fixed;
    border-bottom: 20px solid #111;
    position: relative;
}
.header > .black {
    width: 100%;
    height: 100%;
    position: absolute;
    background-color: black;
    top:0; 
    left: 0;
    opacity: 0.4;
}
.header > .header_text {
    position: absolute;
    width: 100%;
    height: 100%;
    text-align: center;
    color:#f4f4f4;
    margin-top:300px;
    text-shadow: 3px 3px #111;
    
}

.header > .header_text > h1{
    font-size: 42px;
}
.header > .header_text > h2{
    font-size: 24px;
}

.o_nas{
    width:100%;
    min-height: 10vh;
    font-family: Dual;
    float: left;
    padding-bottom: 150px;
}
.o_nas > h1 {
    margin: 0 auto;
    width:60%;
    margin-top: 20px; 
    display: block;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 2px solid #111;
    
}
.o_nas > .o_nas_text {
    width: 60%;
    margin: 0 auto;
}
.o_nas > .o_nas_text > h2{
    margin-top: 50px;
    font-weight: bold;
    position: relative;
    margin-bottom: 30px;
    margin-left: 50px;
    font-family: "Roboto";
    font-weight: bold;
}
.o_nas  > .o_nas_text > h2 > img {
    width:50px;
    height: auto;
    position: absolute;
    top: 0px;
    left:-45px;
}
.o_nas > .o_nas_text > p {
    margin-top: 10px;
    font-size: 19px;
}
.photo2{
    float:left;
    width:100%;
    height: 30vh;
    background-image: url(prace/photo2.jpg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
}

.dlaczego_my {
    width:100%;
    min-height: 10vh;
    font-family: Dual;
    float: left;
    padding-top: 50px;
    
}
.dlaczego_my > #dlaczego_elementy {

    width:100%;
    min-height: 500px;
    display: flex;
    flex-flow: row wrap;
    justify-content: center;

}


.dlaczego_my  > h1 {
    margin: 0 auto;
    margin-top: 20px; 
    display: block;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 2px solid #111;
    font-family: Dual;
    width: 60%;
    margin-bottom: 50px;
}
.dlaczego_my > #dlaczego_elementy > .dlaczego {
    width:500px;
    min-height: 350px;
    margin-bottom: 20px;

}
.dlaczego_my > #dlaczego_elementy > .dlaczego >  h1{
    margin-top: 10px;
    font-size: 22px;
    text-align: center;
    font-family: OpenB;
}
.dlaczego_my > #dlaczego_elementy > .dlaczego > p{
    margin-top: 5px;
    padding: 0 90px;
    text-align: center;
}

.dlaczego_my > #dlaczego_elementy > .dlaczego > .circle {
   width: 140px;
   height: 140px;
   background: #d9d9d9; 
   -moz-border-radius: 70px; 
   -webkit-border-radius: 70px; 
   border-radius: 70px;

    margin: 0 auto;
    

}
.dlaczego_my > #dlaczego_elementy > .dlaczego >  .circle > .drill {
    position: relative;
    top:20%;
    left:3%;
    background-image: url(img/driller.png);
    background-size: cover;
    background-position: center;
    width: 60%;
    height: 60%;
    margin: 0 auto;
}
.dlaczego_my > #dlaczego_elementy > .dlaczego >  .circle > .clock {
    position: relative;
    top:18%;
    left:0%;
    background-image: url(img/clock.png);
    background-size: cover;
    background-position: center;
    width: 60%;
    height: 60%;
    margin: 0 auto;
}
.dlaczego_my > #dlaczego_elementy > .dlaczego >  .circle > .drillworker {
    position: relative;
    top:15%;
    left:2%;
    background-image: url(img/drillworker.png);
    background-size: cover;
    background-position: center;
    width: 70%;
    height: 70%;
    margin: 0 auto;
}
.dlaczego_my > #dlaczego_elementy > .dlaczego >  .circle > .projekt {
    position: relative;
    top:26%;
    left:-4%;
    background-image: url(img/project.png);
    background-size: cover;
    background-position: center;
    width: 50%;
    height: 50%;
    margin: 0 auto;
}
.dlaczego_my > #dlaczego_elementy > .dlaczego >  .circle > .money {
    position: relative;
    top:20%;
    left:2%;
    background-image: url(img/money.png);
    background-size: cover;
    background-position: center;
    width: 60%;
    height: 60%;
    margin: 0 auto;
}

.photo3{
    float:left;
    width:100%;
    height: 50vh;
    background-image: url(prace/rtv.jpg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
}

.realizacja{
    width:100%;
    min-height: 500px;
    font-family: Dual;
    float: left;
    padding-top: 50px;
    position: relative;
}

.realizacja > h1 {
    margin: 0 auto;
    margin-top: 20px; 
    display: block;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 2px solid #111;
    margin-bottom: 50px;
    width: 70%;
}

.realizacja > .etapy {
    width: 70%;
    min-height: 300px;
    margin: 0 auto;
}
.realizacja > .etapy > .etap {
    width:100%;
    min-height: 150px;
    float: left;
    position: relative;
}
.realizacja > .etapy > .etap > .left{
    float:left;
    width:50px;
    height: 100%;
    position: absolute;
}
.realizacja > .etapy > .etap > .right{
    float:left;
    width: calc(100% - 50px);
    height: 100%;
    padding: 20px 40px;
    margin-left: 40px;
}
.realizacja > .etapy > .etap > .left> .kolo{
   width: 50px;
   height: 50px;
   background: white; 
   -moz-border-radius: 70px; 
   -webkit-border-radius: 70px; 
   border-radius: 70px;
    border :1px solid #868484;
    color: #111;
    text-align: center;
    line-height: 50px;
    font-family: "Roboto";
    font-weight: bold;
    font-size: 23px;
    float: left;
}
.realizacja > .etapy > .etap > .left> .linia{
    background-color: #868484;
    width:1px;
    height: calc(100% - 50px);
    float: left;
    margin-left: 24px;
}
.realizacja > .etapy > .etap > .right> h2{
    font-family: Roboto;
    font-weight: bold;
    margin-bottom: 10px;
    font-size: 25px;
}
.realizacja > .etapy > .etap > .right> p{
    font-size: 18px;
    line-height: 30px;
}

.gall {
    position: relative;
    width:100%;
    min-height: 500px;
    font-family: Dual;
    float: left;
    padding-top: 50px;
    padding: 40px 10%;
}

.gall > h1 {
    width: 100%;
    margin: 0 auto;
    margin-top: 10px; 
    display: block;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 2px solid #111;
    margin-bottom: 50px;
}

.photo4{
    float:left;
    width:100%;
    height: 50vh;
    background-image: url(prace/kuchnia2.jpg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    margin-top: 100px;
}


.stopka{
    float:left;
    width: 100%;
    min-height: 600px;
    background-color: #dddddd;
    margin-top: 200px;
}
.stopka > .firma {
    width: 50%;
    height: 100%;
    float:left;
    padding-top:50px; 
    
}
.stopka > .kontakt {
    width: 50%;
    height: 100%;
    float:left;
    padding-top:50px; 
    padding-bottom:100px; 
}
.stopka > .firma > .zawartosc {
    width: 70%;
    height: 100%;
    margin: 0 auto;
}
.stopka > .firma > .zawartosc > h2 {
}
.stopka > .firma > .zawartosc > p {
    font-size: 20px;
    line-height: 15px;
    padding-bottom: 5px;
}

@media only screen and (max-width: 600px) {
    .stopka > .kontakt {
        width: 100%;
    }
    .stopka > .firma {
        width: 100%;
    }
}