/* Explain: Base styles, typography, and background effects. */
* {
    box-sizing: border-box;
}

html {
    background: var(--background-color);
    scroll-behavior: smooth;
    color-scheme: dark;
}

body {
    margin: 0;
    overflow-x: hidden;
    color: var(--text-color);
    background-color: var(--background-color);
    background-image:
        radial-gradient(125% 70% at 88% -14%, color-mix(in srgb, var(--primary-color) 18%, transparent), transparent 58%),
        radial-gradient(80% 55% at 0% 2%, color-mix(in srgb, var(--accent-color) 7%, transparent), transparent 52%),
        repeating-linear-gradient(135deg, var(--grid-line) 0 1px, transparent 1px 13px),
        linear-gradient(180deg, #08080B 0%, #050507 58%, #08080B 100%);
    background-attachment: fixed;
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    display: block;
}

::selection {
    background: var(--primary-color);
    color: #FFFFFF;
}

h1,
h2,
h3,
h4,
.display-heading {
    font-family: var(--font-heading);
    letter-spacing: -0.01em;
}

.mono {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}

p {
    line-height: 1.68;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

button,
a {
    transition: color 200ms ease, background-color 200ms ease, border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease, opacity 200ms ease;
}

:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 3px;
}

::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--primary-color) 34%, var(--surface-color));
    border: 3px solid var(--background-color);
    border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}