:root {
    --background-color: #001122;
    --text-color: #ffffff;
    --other-text-color: #000000;
    --primary-color: #0066FF;
    --secondary-color: #FFE74C;
    --accent-color: #009473;
}

html {
    font-size: 16px;
}

body {
    display: flex;
    flex-direction: column;
    font-family: "Tomorrow", sans-serif;
    margin: 0 auto;
    width: 60%;
    min-height: 100vh;
    background-image: url('./images/background.svg');
    background-size: cover;
    background-attachment: fixed;
    background-color: var(--background-color);
    color: var(--text-color);
    font-size: 1rem;
}

section {
    margin-bottom: 4rem;
}

#last-section{
    margin-bottom: 16rem;
}

a {
    color: var(--text-color);
}

header {
    position: sticky;
    top: 0;
    border-bottom: 4px solid var(--primary-color);
    color: var(--text-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.625rem 1.25rem;
    background-color: var(--background-color);
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

header nav {
    display: flex;
    gap: 1rem;
}

header nav a img {
    width: 1.5rem;
    height: 1.5rem;
    filter: brightness(0) invert(1);
}

header nav a:hover img {
    filter: brightness(0) invert(0.5);
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
    justify-content: flex-start;
}

.skills-list li {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--text-color);
    padding: 0.625rem 1rem;
    border-radius: 0.5rem;
    font-weight: bold;
    text-align: center;
}

.skills-list li:hover {
    background-color: var(--secondary-color);
    color: var(--other-text-color);
}

@media (max-width: 768px) {
    body {
        width: 80%;
    }
}