:root {
    --neon: #fea97f;
    --main: #fffefd;
    --alt_main: #efded4;
    --background: #131313;
    --light_color: #ffffff;
    --dark_color: #131313;
    --grey_color: #faece6;
    --edge: #f3f0ee;
    --card: #f7f6f4;

}

@font-face {
    font-family: 'Plus Jakarta Sans';
    src: url('../fonts/PlusJakartaSans-VariableFont_wght.tff') format('truetype-variations');
    font-weight: 200 800;
    font-style: normal;
    font-display: swap;
}


body {
    font-family: "Plus Jakarta Sans", Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--main);
    color: var(--dark_color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.highlighted {
    color: var(--neon);
    font-weight: 600;
}

header {
    z-index: 100;
    background-color: transparent;
    color: var(--dark_color);
    padding: 1em 0;
    border-bottom: 1px solid var(--edge);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

header nav {
    background-color: ;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5em;
}

header nav a.site-title {
    color: var(--color);
    text-decoration: none;
    font-size: 1.4em;
    font-weight: 1000;
}

header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 2em;
}

header nav ul li a {
    color: var(--dark_color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5em 0;
    transition: color 0.1s ease;
}

#Registration {
    border-radius: 4px;
    padding: 4px 8px;
    background-color: var(--grey_color);
    font-weight: 600;
    color: var(--neon);
}

main,
.container {
    flex-grow: 1;
}

main {
    flex: 3;
    max-width: 800px;
    margin: 2em auto;
    padding: 0em 2em;
    border-radius: 0;
    background-color: var(--main);
    line-height: 1.6;
}

li {
    font-size: 1.2em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--dark_color);
    margin-top: 1em;
    margin-bottom: 0.5em;
}

h1 {
    font-size: 3em;
    line-height: 1.2;
    margin-bottom: 1.2rem !important;
}

p {
    font-size: 1.2em;
}

footer {
    text-align: center;
    padding: 0.5em 0;
    background-color: var(--dark_color);
    color: var(--light_color);
    flex-shrink: 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0rem 1rem;
}

.navbar a {
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1rem;
}

.menu-toggle {
    color: var(--dark_color);
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        gap: 1.2rem;
        position: absolute;
        top: 60px;
        right: 0;
        width: 200px;
        border: 1px solid var(--edge);
        background-color: var(--main);
        border-radius: 2px;
        padding: 1rem;
        color: var(--dark_color);

    }

    .nav-links.show {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }
}

.container {
    margin: -50px auto 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    max-width: 1200px;
    padding: 20px;
}

.sidebar {
    flex: 1;
    background-color: var(--light_color);
    border: 1px solid var(--edge);
    padding: 15px;
    border-radius: 4px;
    color: var(--dark_color);
    max-height: fit-content;
    margin-bottom: 50px;
}

.sidebar h3 {
    margin-top: 0;
    color: var(--background);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--edge);
}

.sidebar ul {
    list-style-type: none;
    padding-left: 0;
}

.sidebar li {
    margin-bottom: 8px;
    font-size: 1.1em;
}

/* Responsive adjustments */
@media (max-width: 900px) {
    .container {
        flex-direction: column;
        padding: 10px;
    }

    .sidebar {
        margin-top: 20px;
    }
}