body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
	overflow: hidden;
    min-height: 100vh;
    user-select: none;

}

:root {
    --gap: 1em;
    --index: calc(1vw + 1vh);
}

.top-panel {
    background-color: #333;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    opacity: 0.7;
    box-shadow: 0 7px 10px rgba(1, 0, 0, 1);
}

.logo {
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    font-size: 24px;
    list-style-type: none;
    transition: all 1s cubic-bezier(0.075, 0.82, 0.165, 1);
}

.logo a {
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    font-size: 24px;
    list-style: none;
    transition: all 1s cubic-bezier(0.075, 0.82, 0.165, 1);
    
}

.logo a:hover{
    color: #FF5733;
    transform: scale(1.05);
    transition: all 1s cubic-bezier(0.075, 0.82, 0.165, 1);
}

nav ul {
    list-style: none;
    padding: 0px;
    margin: 0;
    display: flex;
    
}

nav li {
    margin-right: 20px;
    padding: 10px;
    opacity: 1;
    border-radius: 100px;
    background-color: #222222;
    
}
nav li:hover {
    transform: scale(1.05);
    transition: all 1s cubic-bezier(0.075, 0.82, 0.165, 1);
    opacity: 1;
    box-shadow: 0 7px 10px rgba(10, 0, 0, 1);
}

nav a {
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    font-size: 18px;
    transition: color 0.3s;
}

nav a:hover {
    color: #FF5733;
    opacity: 1;
}


h2{
    font-size: 50px;
    margin: 0 auto 20 px auto;
    color: #bdc3c7;
    text-align: center;
    position: relative;
}

.opacity-list  {
    padding: 10px;
}

.opacity-list a  {
    text-decoration: none;
}

#menu {
    display: none;
    position: absolute;
    background-color: #fff;
    border: 1px solid #ccc;
    padding: 10px;
}
  
#menu ul {
    list-style-type: none;
    padding: 0;
}
  
#menu li {
    padding: 5px 0;
    cursor: pointer;
}
  
.shown {
    display: block;
}


.submenu {
    display: none;
    position: fixed;
    background-color: #333;
    border-radius: 20px;
    padding: 10px;
    top: 0;
    left: 0;
    z-index: 2;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s, transform 0.3s;
    list-style: none;
    transition: all 1s cubic-bezier(0.075, 0.82, 0.165, 1);
}
.has-submenu li {
    margin-bottom: 10px;
}

.has-submenu:hover .submenu {
    display: block;
    opacity: 1;
    margin-top: 50px;
    list-style: none;
}

.bg {
    width: 110%;
    height: 120%;
    background: url(planet-1702788.jpg) no-repeat;
    background-size: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
}

header {
    width: 100%;
    height: 100vh;
    position: relative;
}

.text {
	font-size: 50px;
	color: #ffffff;
	position: absolute;
	left: 50%;
	top: 20%;
	transform: translate(-50%);
	text-shadow: 5px 5px 15px #000000;
	white-space: nowrap;
    background-color: #333;
    border-radius: 100px;
    padding: 15px;
    border-color: #000000;
    text-align: center;
    opacity: 0.9;
}

.main-text {
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #a8b9c4;
    font-size: 20px;
    padding: 5px;
}

#my-name{
    display: inline;
    margin: 10px;
    padding: 5px;
    color: #222222;
    background-color: #808080;
    border-radius: 100px;
}

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

.data-list {
    list-style: none;
    top: 0;
    left: 0;
}

.data-list li {
    margin-top: 15px;
    
}

.gallery {
    width: 100%;
    column-count: 5;
    column-gap: var(--gap);
    transform: scale(1);
    will-change: transform;
    transition: transform 1s cubic-bezier(.075, 1, .25, 1);
    opacity: 1;
}

.gallery__item {
    display: inline-block;
    margin-bottom: var(--gap);
    transform: scale(1.001);
    transition: .3s;
    will-change: transform;
}

.gallery__item:hover {
    transform: scale(1.05);
}

.gallery__item img {
    max-width: 100%;
    height: auto;
    display: block;
}