:root {
    color-scheme: light;
    --bg: #f5f5f7;
    --panel: #ffffff;
    --ink: #1d1d1f;
    --muted: #6e6e73;
    --line: #d2d2d7;
    --link: #06c;
    --max-width: 48rem;
    --max-width-wide: 62rem;
}

* {
    box-sizing: border-box;
}

html {
    background: var(--bg);
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family:
        -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue",
        Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}

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

a {
    color: var(--link);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.site {
    width: min(calc(100% - 2rem), var(--max-width));
    margin: 0 auto;
    padding: 1.5rem 0 4rem;
}

.site--wide {
    width: min(calc(100% - 2rem), var(--max-width-wide));
}

.masthead {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--line);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--ink);
    text-decoration: none;
}

.brand:hover {
    text-decoration: none;
}

.brand-mark {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.85rem;
    border: 1px solid var(--line);
    background: var(--panel);
    object-fit: cover;
}

.brand-name {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.nav {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.nav a {
    color: var(--muted);
}

.nav a[aria-current="page"],
.nav a:hover {
    color: var(--ink);
    text-decoration: none;
}

.eyebrow {
    margin: 0 0 0.75rem;
    color: var(--muted);
    font-size: 0.87rem;
}

h1,
h2,
h3 {
    margin: 0;
    color: var(--ink);
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 1.06;
}

h1 {
    margin-bottom: 0.8rem;
    max-width: 11ch;
    font-size: clamp(2.75rem, 8vw, 4.9rem);
}

h2 {
    margin-bottom: 0.45rem;
    font-size: clamp(1.4rem, 4vw, 1.75rem);
}

h3 {
    margin-bottom: 0.35rem;
    font-size: 1.05rem;
}

p,
li {
    color: var(--muted);
    font-size: 1rem;
}

p {
    margin: 0 0 1rem;
    max-width: 38rem;
}

.lede {
    margin: 0;
    max-width: 40rem;
    font-size: 1.15rem;
    line-height: 1.55;
}

.hero {
    display: grid;
    gap: 1.25rem;
    align-items: start;
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2.5rem;
}

.cards--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
    padding: 1.2rem;
    border: 1px solid var(--line);
    border-radius: 1.4rem;
    background: var(--panel);
}

.card p:last-child {
    margin-bottom: 0;
}

.section {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
}

.list {
    margin: 0;
    padding-left: 1.2rem;
}

.list li + li {
    margin-top: 0.45rem;
}

.list-plain {
    list-style: none;
    margin: 0;
    padding: 0;
}

.list-plain li {
    padding: 0.85rem 0;
    border-top: 1px solid var(--line);
}

.list-plain li:first-child {
    padding-top: 0;
    border-top: 0;
}

.list-plain strong {
    display: block;
    margin-bottom: 0.15rem;
    color: var(--ink);
    font-weight: 600;
}

.page-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.footer {
    margin-top: 4rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.95rem;
}

@media (max-width: 860px) {
    .cards,
    .cards--2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .site,
    .site--wide {
        width: min(calc(100% - 1.25rem), var(--max-width-wide));
        padding: 1rem 0 3rem;
    }

    .masthead {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        margin-bottom: 2.25rem;
    }
}