@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400..700&display=swap');


@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        --primary-color: black;
        --text-color: white;
    }
}
@media (prefers-color-scheme: light) {
    :root:not([data-theme]) {
        --primary-color: white;
        --text-color: black;
    }
}

:root[data-theme="dark"] {
    --primary-color: black;
    --text-color: white;
}

:root[data-theme="light"] {
    --primary-color: white;
    --text-color: black;
}

:root {
    font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;


    color: var(--text-color)
}


html, body {
    padding: 0;
    margin: 0;
    pointer-events: none;
    scroll-behavior: smooth;
}


.container {
    pointer-events: none;
}

#canvas {
    position: absolute;
    height: 200vh;
    width: 100%;
    z-index: -1;
    top: 0;
    left: 0;
    pointer-events: auto;
}

.header {
    line-height: 3rem;
    margin: 0;
    position: absolute;
    top: 0;
    width: 100%;
    background-color: var(--primary-color);
    pointer-events: auto;
}

@media (prefers-color-scheme: light) {
    :root:not([data-theme]) .header {
        box-shadow: 0 0 1rem 0 rgba(0, 0, 0, 0.2);
    }
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) .header {
        box-shadow: 0 0 2rem 0 rgba(255, 255, 255, 0.2);
    }
}

:root[data-theme="light"] .header {
    box-shadow: 0 0 1rem 0 rgba(0, 0, 0, 0.2);
}

:root[data-theme="dark"] .header {
    box-shadow: 0 0 2rem 0 rgba(255, 255, 255, 0.2);
}

ul {
    margin: 0;
    list-style-type: none;
    display: flex;
    justify-content: flex-start;
    gap: 2rem;
}

li > a {
    display: inline-block;
    text-decoration: none;
    color: var(--text-color);
    padding: 0.2rem 1rem;
    border: 1px solid transparent;
    background: transparent;
    min-width: 80px;
    text-align: center;
    font-variation-settings: "wght" 400;
    transition: font-variation-settings 0.2s ease;
}

.nav-button:hover {
    /* background: radial-gradient(ellipse at 50% 50%, rgba(255, 255, 255, 0.4) 10%, transparent 90%); */
    font-variation-settings: "wght" 700;
}

li:last-child {
    margin-left: auto;
    margin-right: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

button.theme {
    border: none;
    background: #666;
    width: 44px;
    height: 22px;
    border-radius: 11px;
    position: relative;
    cursor: pointer;
    transition: background-color 0.3s ease;
    padding: 0;
    outline: none;
}

button.theme::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 8px;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    background: white;
    border-radius: 50%;
    box-shadow: 
        -4px 0 0 -2px white,
        4px 0 0 -2px white,
        0 -4px 0 -2px white,
        0 4px 0 -2px white,
        -3px -3px 0 -2px white,
        3px -3px 0 -2px white,
        -3px 3px 0 -2px white,
        3px 3px 0 -2px white;
    opacity: 0;
    transition: opacity 0.3s ease;
}

button.theme::after {
    content: '🌙';
    position: absolute;
    top: 50%;
    right: 6px;
    transform: translateY(-50%);
    font-size: 10px;
    opacity: 0;
    transition: opacity 0.3s ease;
    filter: grayscale(1) brightness(2);
}

button.theme .slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    transition: transform 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

:root[data-theme="dark"] button.theme {
    background: #4a5568;
}

:root[data-theme="dark"] button.theme .slider {
    transform: translateX(22px);
}

:root[data-theme="dark"] button.theme::before {
    opacity: 1;
}

:root[data-theme="light"] button.theme::after {
    opacity: 1;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) button.theme {
        background: #4a5568;
    }
    
    :root:not([data-theme]) button.theme .slider {
        transform: translateX(22px);
    }
    
    :root:not([data-theme]) button.theme::before {
        opacity: 1;
    }
}

@media (prefers-color-scheme: light) {
    :root:not([data-theme]) button.theme::after {
        opacity: 1;
    }
}

@media (max-width: 720px) {
    ul {
        justify-content: space-around;
        gap: 1rem;
        padding-left: 0;
    }

}