:root {
    --paper: #ffffff;
    --paper-muted: #f5f5f5;
    --ink: #171717;
    --ink-soft: #525252;
    --muted: #737373;
    --line: #e5e5e5;
    --red: #d71920;
    --red-dark: #a80f15;
    --white: #ffffff;

    --font-display: "Syne", system-ui, sans-serif;
    --font-body: "Google Sans Flex", system-ui, sans-serif;

    --container: min(72rem, calc(100% - 2rem));
    --header-h: 4rem;
}

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

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: 1rem;
    z-index: 200;
    transform: translateY(-200%);
    padding: 0.625rem 1rem;
    border: 1px solid var(--line);
    border-radius: 0.75rem;
    background: var(--paper);
    color: var(--ink);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
}

.skip-link:focus {
    transform: translateY(0);
    outline: 2px solid var(--red);
    outline-offset: 2px;
}

.site-logo__svg {
    display: block;
    height: 2rem;
    width: auto;
    max-width: min(11rem, 38vw);
}

@media (min-width: 48rem) {
    .site-logo__svg {
        height: 2.25rem;
        max-width: 14rem;
    }
}

.site-logo:focus-visible {
    outline: 2px solid var(--red);
    outline-offset: 4px;
    border-radius: 0.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    min-height: 2.5rem;
    padding: 0 1rem;
    border: 1px solid transparent;
    border-radius: 9999px;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.btn--primary {
    background: var(--red);
    color: var(--white);
    box-shadow: 0 1px 2px color-mix(in srgb, var(--ink) 8%, transparent);
}

.btn--primary:hover,
.btn--primary:focus-visible {
    background: var(--red-dark);
    box-shadow: 0 8px 24px color-mix(in srgb, var(--red) 22%, transparent);
}

.btn--outline {
    border-color: var(--line);
    background: transparent;
    color: var(--ink);
}

.btn--outline:hover,
.btn--outline:focus-visible {
    background: var(--paper-muted);
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 9999px;
    background: transparent;
    color: var(--ink-soft);
    text-decoration: none;
    cursor: pointer;
    transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.icon-btn:hover,
.icon-btn:focus-visible {
    color: var(--red);
    border-color: var(--line);
    background: var(--paper-muted);
    outline: none;
}

.icon-btn:focus-visible {
    outline: 2px solid var(--red);
    outline-offset: 2px;
}