@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@300..700&family=Raleway:ital,wght@0,100..900;1,100..900&family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@300..700&family=Raleway:ital,wght@0,100..900;1,100..900&family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');

:root {
--base-color: #ffffff; 
--text-color: #000000; 
--primary-color: #82A7D9; 
--secondary-color: #86C29D; 
--color-1: #EBE5E4; 
--color-2: #E0D4D3; 
--color-3: #D4CAC9; 
}

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

html{
    font-family:Arial, Helvetica, sans-serif;
    color: var(--text-color);
}

body {
    padding: 1em;
    background-color: var(--color-3);
}

h1, h2, h3 {
    font-family:'Times New Roman', Times, serif; 
}

nav {
 margin: 1em auto 3em auto;
 width: min(1000px, 100%);
 box-shadow: 3px 3px 4px;
}

nav ul {
   display: flex; 
   align-items: center;
   list-style-type: none;
   gap: 2em; 
   justify-content: flex-end;
}
nav li {
    height: 50px;
    line-height: 50px;
    padding: 0 10px;
}

nav li:first-child {
    margin-right: auto;
    font-weight: regular; 
}

nav a {
    text-decoration: none;
    color: var(--text-color); 
}

nav a:hover {
    text-decoration: underline;
}

header, section {
    margin: 2em auto;
    width: min(75em, 100%); 
    background-color: var(--color-1);
    padding: min(2em, 15%); 
    border-radius: 1em;  
}

.flex-container {
    display: flex;
    justify-content: center; 
    align-items: center;
    flex-wrap: wrap;
    gap: 3em;
}

header img {
   max-width: 100%;
   border-radius: 1em; 
   object-fit: cover;
   object-position: bottom;  
}

.text-container {
    flex: 0 1 34em;
}

h1 {
    font-size: 2.5rem; 
}

.text-container p {
    margin: .75em 0 1em 0;
    font-size: 1.25rem;
}

.cta-button {
    display: inline-block;
    text-decoration: none;
    color: white;
    background-color: var(--primary-color); 
    padding: .75em 1.25em; 
    border-radius: .5em;
    font-weight: 600;
}

.secondary {
    background-color: var(--secondary-color);
}

section {
    padding: 3em; min(2em, 15%); 
    background-color: var(--color-2); 
    text-align: center;
}

h2 {
    font-size: 2rem; 
}

section p {
    margin-top: 1em;
    font-size: 1.25rem;
}

section#Space-Pictures-that-Blow-Your-Mind{
    background-color: var(--color-3);
}

.grid-container {
    margin-top: 2em;
    margin-bottom: 2em;
    display: grid;
    width: 100%;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: 215px 215px;
    grid-template-areas: 
    "img-1 img-1 img-2 img-3"
    "img-1 img-1 img-4 img-5";
    gap: 1em;
}

.grid-container img {
    height: 100%;
    width: 95%;
    border-radius: .5em;
    transition: 100ms ease;
}

.grid-container img:hover {
    scale: 1.05;
}

details {
    margin-top: 1em;
    background-color: var(--base-color);
    border-radius: 1em;
}

details summary {
    padding: 1em;
    font-size: 1.0rem;
    font-family: Arial, Helvetica, sans-serif;
}

details p {
    padding: 0 2em 2em 2em; 
}

footer a{
    margin: 0 1em;
    text-decoration: none;
    color: var(--text-color); 
}

footer a:hover {
    text-decoration: underline;
}