/* Base styles: font, page, text elements (see docs/frontend.md, "Design system") */

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url("../fonts/inter-latin-wght-normal.woff2") format("woff2");
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    font-feature-settings: "cv11", "ss01";
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    margin: 0;
    line-height: var(--leading-tight);
    font-weight: var(--weight-semibold);
    letter-spacing: -0.01em;
}

h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }
h4 { font-size: var(--text-base); }

p {
    margin: 0;
}

a {
    color: var(--color-accent);
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

a:hover {
    color: var(--color-accent-hover);
}

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

::selection {
    background: var(--color-accent-soft);
}

code, pre, kbd {
    font-family: var(--font-mono);
    font-size: 0.9em;
}

hr {
    border: 0;
    border-top: 1px solid var(--color-border);
    margin: var(--space-5) 0;
}

[hidden], .is-hidden {
    display: none !important;
}

/* Bulleted list in running text */
.list {
    display: grid;
    gap: var(--space-1);
    margin: var(--space-2) 0;
    padding-left: var(--space-5);
}

/* Figures aligned in columns */
.tabular {
    font-variant-numeric: tabular-nums;
}

.text-muted {
    color: var(--color-text-muted);
}

.text-sm {
    font-size: var(--text-sm);
}

/* Hidden but read by screen readers */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}