:root {
    --font: var(--font-family-primary, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif);

    --c-primary: var(--c-red);
    --c-primary-dark: #9E0013;
    --c-on-primary: var(--c-white);
    --c-ink: var(--c-text);
    --c-muted: var(--c-text-soft);
    --c-border-soft: var(--c-line);
    --c-inverse-bg: var(--c-black);

    --radius: 6px;
    --radius-sm: 4px;

    --tap-min: 44px;
}

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

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

body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--c-text);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
}

img,
picture { display: block; max-width: 100%; height: auto; }

.page a:where(:not(.button)),
.error-page a:where(:not(.button)) { color: var(--c-primary); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--c-primary-dark); }

button { font: inherit; cursor: pointer; }

hr {
    border: 0;
    border-top: 1px solid var(--c-border);
    margin: 2rem 0;
}

h1, h2, h3, h4 {
    margin: 0 0 .6em;
    line-height: 1.2;
    font-weight: 600;
    color: var(--c-ink);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

small { color: var(--c-muted); }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 2.5rem 0;
}

.section + .section { border-top: 1px solid var(--c-border-soft); }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--tap-min);
    padding: .55rem 1rem;
    background: var(--c-primary);
    color: var(--c-on-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    border: 0;
}
.button:hover { background: var(--c-primary-dark); color: var(--c-on-primary); }

.page {
    padding-block: 1.5rem;
}
@media (min-width: 992px) {
    .page { padding-block: 2rem; }
}
.page > h1 { margin-bottom: 1rem; }

.error-page {
    padding-block: 6rem;
    text-align: center;
}
.error-page__code {
    margin: 0 0 .5rem;
    font-size: 4rem;
    font-weight: 600;
    line-height: 1;
    color: var(--c-muted);   
}

@media (min-width: 768px) {
    body { font-size: 17px; }
    h1 { font-size: 2.4rem; }
    h2 { font-size: 1.75rem; }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 100;
    padding: .6rem 1rem;
    background: var(--c-inverse-bg);
    color: var(--c-on-primary);
    text-decoration: none;
    border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

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