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

.slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 300vh;
    background: linear-gradient(to right bottom, #ff3377, #ff9ebe);
    z-index: -1;
}

nav {
    display: grid;
    grid-template-columns: 10% 1fr 1fr 10%;
    min-height: 10vh;
    color: white;
    align-items: center;
}

#logo {
    grid-column: 2/3;
    font-size: 2rem;
    cursor: pointer;
    font-family: 'Sacramento', cursive;
}

#hamburger {
    justify-self: end;
    width: 35px;
    height: 30px;
    margin: 30px 0 20px 20px;
    cursor: pointer;
}

.line {
    width: 100%;
    height: 3px;
    background: white;
    display: block;
    border-radius: 5px;
    transition: .3s ease;
}

#bar1 {
    transform: translateY(-5px);
}

#bar3 {
    transform: translateY(5px);
}

.nav {
    position: absolute;
    padding: 20px 20px;
    transition: .3s ease;
    display: none;
    z-index: 11;
}

.nav li {
    list-style: none;
}

.nav li a {
    color: white;
    text-decoration: none;
    font-size: 2.5rem;
    font-family: 'Nunito', sans-serif;
}

.nav li a:hover {
    font-weight: bold;
}

.menu-bg {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
    width: 0;
    height: 0;
    background: radial-gradient(circle,#ff3377,#ff9ebe);
    border-radius: 50%;
    transition: .3s ease;
}

.change-bg {
    width: 650px;
    height: 640px;
    transform: translate(-66%, -30%);
}

.change .bar {
    background-color: white;
}

.change #bar1 {
    transform: translateY(5px) rotateZ(-45deg);
}

.change #bar3 {
    transform: translateY(-1px) rotate(45deg);
}
.change #bar2 {
    opacity: 0;
}

.change {
    display: block;
}

 header section {
    display: flex;
    height: 100vh;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5rem);
}

/* .bg {
    width: 100%;
    height: 60%;
}
 */
.bg img {
    width: 100%;
    height: 80%;
    object-fit: cover;
    border-radius: 30px;
}

.circle1, .circle2, .circle3, .circle4, .circle5, .circle6 {
    position: absolute;
    backdrop-filter: blur(5px);
    box-shadow: 0 25px 45px rgba(0,0,0,0.1);
    border: 1px solid rgba(255,255,255,0.5);
    border-right: 2px solid rgba(255,255,255,0.5);
    border-bottom: 2px solid rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    animation: bubbels 10s linear infinite;
    animation-delay: calc(-1s * var(--i));
    z-index: 22;
    
    /* 
    background: white;
    background: linear-gradient(to right bottom, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.1));
    position: absolute;
    border-radius: 50%;
    animation-name: example;
    animation-duration: 4s; */
}

@keyframes bubbels {
    0%,100%
    {
        transform: translateY(-50px);
    }
    50%
    {
        transform: translateY(50px);
    }
}


@keyframes example {
  0%   {opacity: 0;}
  25%  {opacity: 0;}
  50%  {opacity: 25%;}
  100% {opacity: 100%;}
}

.circle1 {
    top: 12%;
    right: 36%;
    width: 8rem;
    height: 8rem;
}

.circle2 {
    bottom: 2%;
    right: 6%;
    width: 7rem;
    height: 7rem;
}

.circle3 {
    bottom: 30%;
    left: .1%;
    width: 6rem;
    height: 6rem;
}

.circle4 {
    top: 108%;
    right: 77%;
    width: 8rem;
    height: 8rem;
}

.circle5 {
    bottom: -87%;
    left: 75%;
    width: 6rem;
    height: 6rem;
}

.button {
    position: absolute;
    top: 75%;
    left: 50%;
    background-color: #ff4f8b;
    width: 120px;
    height: 35px;
    border-radius: 5%;
    transform: translate(-50%, -50%);
    font-size: 1.7rem;
    text-align: center;
    font-family: 'Nunito', sans-serif;
}

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

#haupt {
    position: absolute;
    top: 100vh;
    left: 0;
    width: 100%;
    height: 100vh;/* 
    background: linear-gradient(to right top, #ff3377, #ff9ebe); */
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5rem);
}

.vorstellung {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
    box-shadow: 0 25px 45px rgba(0,0,0,0.1);
    border: 1px solid rgba(255,255,255,0.5);
    border-right: 1px solid rgba(255,255,255,0.2);
    border-bottom: 1px solid rgba(255,255,255,0.2);
    background: white;
    background: linear-gradient(to right bottom, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.4));
    color: rgb(80, 78, 78);
    width: 80%;
    height: 85%;
    border-radius: 30px;
}

#haupt .vorstellung .txt {
    padding: 2rem;
    font-size: 1.2rem;
    font-family: 'Nunito', sans-serif;
}

.grid {
    position: absolute;
    top: 200vh;
    left: 0;
    display: grid;
    grid-template-columns: repeat(3, 120px);
    justify-content: center;
    align-content: center;
    grid-gap: 10px;
    height: 100vh;
    width: 100%;
}

.grid img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border: 2px solid #fff;
}

#lightbox {
    position: fixed;
    z-index: 1000;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,.8);
    display: none;
}

#lightbox.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

#lightbox img {
    max-width: 80%;
    max-height: 70%;
    padding: 4px;
    background-color: black;
    border: 2px solid white;
}







/* KONTAKT */


input::-webkit-input-placeholder, input, #send {
	-webkit-transition: all 400ms ease-in-out;
	-moz-transition: all 400ms ease-in-out;
	-ms-transition: all 400ms ease-in-out;
	-o-transition: all 400ms ease-in-out;
	transition: all 400ms ease-in-out;
    color: #fff;
    font-size: .7rem;
}


#contact {
    position: absolute;
    top: 300vh;
    left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 3;
}

form {
	width: 350px;
	height: auto;
	overflow: hidden;
	position: relative;
	top: 150px;
	left: 210px;
	transform: translateX(-50%) translateY(-50%);
	background: rgba(255,255,255,0.1);
    border-radius: 10px;
    backdrop-filter: blur(5px);
    box-shadow: 0 25px 45px rgbba(0,0,0,0,0.1);
	box-sizing: border-box;
}

#send {
	background: #fff;
	border: none;
	color: #333;
	width: 50%;
	margin: 3% 25% 3% 25%;
	padding: 2%;
	cursor: pointer;
	transition: all 500ms;
}

#send:hover {
	background: rgba(82,152,255,1.00);;
	color: #fff;
	transition: all 500ms;
}

form input {
	margin: 5% 10% 0 10%;
	width: 20%;
	padding: 5% 5% 1% 5%;
	display: block;
	border: none;
	border-bottom: 1px solid #dadada;
	background: -webkit-linear-gradient(top, rgba(255, 255, 255, 0) 99%, #dadada 1%);
	background: linear-gradient(bottom, rgba(255, 255, 255, 0) 99%, #dadada 1%);
	background-size: 0 100%;
	background-repeat: no-repeat;
	color: #fff;
	float: left;
}

/*form input:last-child {
	margin: 5% 5% 0 5%;
	width: 25%;
	padding: 5% 5% 1% 5%;
	display: block;
	border: none;
	border-bottom: 1px solid #dadada;
	background: -webkit-linear-gradient(top, rgba(255, 255, 255, 0) 99%, #dadada 1%);
	background: linear-gradient(bottom, rgba(255, 255, 255, 0) 99%, #dadada 1%);
	background-size: 0 100%;
	background-repeat: no-repeat;
	color: #dadada;
	float: left;
}*/

input:focus {
	outline: none;
	background-size: 100% 100%;
}

input:focus::-webkit-input-placeholder {
	font-size: 11px;
	-webkit-transform: translateY(-24px);
	-moz-transform: translateY(-24px);
	-ms-transform: translateY(-24px);
	-o-transform: translateY(-24px);
	transform: translateY(-24px);
	visibility: visible !important;
}

input:focus:valid::-webkit-input-placeholder, input:valid {
	color:rgba(82,152,255,1.00);
	border-color: rgba(82,152,255,1.00);
}

/*input::focus:valid::-webkit-input-placeholder, input:last-child:valid {
	color:rgba(82,152,255,1.00);
	border-color: rgba(82,152,255,1.00);
}*/

input:focus:invalid::-webkit-input-placeholder, input:focus:invalid {
	color: #C9272A;
	border-color: #C9272A;
}

form textarea {
	margin: 20% 10% 0 10%;
	width: 80%;
	padding: 5%;
	padding: 0;
	display: block;
	border: none;
	border-bottom: 1px solid #dadada;
	background: -webkit-linear-gradient(top, rgba(255, 255, 255, 0) 99%, #dadada 1%);
	background: -moz-linear-gradient(top, rgba(255, 255, 255, 0) 99%, #dadada 1%);
	background: -ms-linear-gradient(top, rgba(255, 255, 255, 0) 99%, #dadada 1%);
	background: -o-linear-gradient(top, rgba(255, 255, 255, 0) 99%, #dadada 1%);
	background: linear-gradient(bottom, rgba(255, 255, 255, 0) 99%, #dadada 1%);
	background-size: 0 100%;
	background-repeat: no-repeat;
	color: #fff;
}



/* SOCIAL MEDIA */
.hpt {
    position: absolute;
    top: 300vh;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(to bottom, #ff4f8b, #dff1ff);
}


.hpt .color {
    position: absolute;
    filter: blur(150px);
}

.hpt .color:nth-child(1) {
    background: #ff359b;
    width: 100%;
    height: 60vh;
}

.hpt .color:nth-child(2) {
    bottom: -150px;
    left: 100px;
    background: #fffd87;
    width: 30%;
    height:50vh;
}

.hpt .color:nth-child(3) {
    bottom: -50px;
    right: 0;
    background: #00d2ff;
    width: 30%;
    height:30vh;
}

.hpt ul {
    position: relative;
    display: flex;
}

.hpt ul li {
    position: relative;
    list-style: none;
    margin: 10px;
}

.hpt ul li a {
    position: relative;
    top: 0;
    width: 80px;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 2em;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-right: 1px solid rgba(255,255,255,0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    z-index: 1;
    box-shadow: 0 5px 45px rgba(0,0,0,0.1);
    text-decoration: none;
    overflow: hidden;
    transition: top 0.5s, z-index 0s, transform 0.5s;
    transition-delay: 0.5s,0.5s,0s;
}

.hpt ul li a:hover {
    transition-delay: 0s,0.5s,0.5s;
    top: -50px;
    transform: translateY(50px);
    z-index: 11;
}

.hpt ul li a:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 50px;
    height: 100%;
    background: rgba(255, 255, 255, 0.5);
    transform: skewX(45deg) translateX(150px);
    transition: 0.5s;
}

.hpt ul li a:hover:before {
    transform: skew(45deg) translateX(-150px);
}