/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}

body, html {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: black;
    color: white;
    overflow-x: hidden;
}

.intro {
    position: relative;
    height: 100vh;
    text-align: center;
    color: #fff;
}

.background-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;  
}

.intro h1, .intro p {
    position: relative;
    z-index: 2;
    animation: fadeIn 3s ease forwards;
	color: aqua;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.planets {
	text-align: center;
	padding: 50px 0;
}

.planet {
    display: inline-block;
    margin: 20px;
    padding: 20px;
    background: radial-gradient(circle, #444, #222);
    color:blueviolet;
    border-radius: 50%;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    cursor: pointer;
}

.planet:hover {
    transform: scale(1.3) rotate(20deg);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.6);
}

.planet:hover .hover-sound {
    display: block;
    opacity: 1;
}

.mission-video {
	width: 80%;
	max-width: 600px;
	transition: transform 0.4s ease;
}

.mission-video:hover {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 8px 15px rgba(255, 255, 255, 0.5);
}

h2 {
	color: cornflowerblue;
}