:root {
    color-scheme: light;
    --ink: #0b0b0b;
    --muted: #686868;
    --line: #e8e8e8;
    --surface: #f6f6f4;
    --white: #ffffff;
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    background: var(--white);
    color: var(--ink);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration-color: #9b9b9b;
    text-underline-offset: 3px;
}

.shell {
    width: min(100% - 40px, 760px);
    margin: 0 auto;
}

.topbar {
    border-bottom: 1px solid var(--line);
}

.topbar .shell {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: var(--ink);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-decoration: none;
}

.mark {
    position: relative;
    width: 24px;
    height: 24px;
}

.mark::before,
.mark::after {
    content: "";
    position: absolute;
    inset: 0;
    margin: auto;
    background: var(--ink);
}

.mark::before {
    width: 24px;
    height: 3px;
}

.mark::after {
    width: 3px;
    height: 24px;
}

.topnav {
    display: flex;
    gap: 18px;
    font-size: 14px;
}

main {
    padding: 82px 0 96px;
}

.eyebrow {
    margin: 0 0 18px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

h1 {
    max-width: 680px;
    margin: 0;
    font-size: clamp(42px, 8vw, 68px);
    line-height: 0.98;
    letter-spacing: -0.055em;
}

.lede {
    max-width: 650px;
    margin: 28px 0 0;
    color: var(--muted);
    font-size: clamp(19px, 3vw, 23px);
    line-height: 1.45;
}

.updated {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 14px;
}

.content {
    margin-top: 72px;
}

.content section {
    padding: 34px 0;
    border-top: 1px solid var(--line);
}

h2 {
    margin: 0 0 14px;
    font-size: 25px;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

h3 {
    margin: 28px 0 8px;
    font-size: 17px;
}

p,
ul {
    margin: 0 0 16px;
}

ul {
    padding-left: 22px;
}

li + li {
    margin-top: 8px;
}

.contact-card {
    margin-top: 40px;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: var(--surface);
}

.contact-card h2 {
    margin-bottom: 8px;
}

.button {
    display: inline-flex;
    min-height: 52px;
    margin-top: 10px;
    padding: 0 22px;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--ink);
    color: var(--white);
    font-weight: 700;
    text-decoration: none;
}

.footer {
    padding: 28px 0 42px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 14px;
}

.footer .shell {
    display: flex;
    justify-content: space-between;
    gap: 18px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

@media (max-width: 620px) {
    .shell {
        width: min(100% - 30px, 760px);
    }

    .topbar .shell {
        min-height: 64px;
        align-items: flex-start;
        flex-direction: column;
        padding-top: 18px;
        padding-bottom: 16px;
    }

    .topnav {
        width: 100%;
        justify-content: space-between;
        gap: 10px;
    }

    main {
        padding: 58px 0 72px;
    }

    .content {
        margin-top: 52px;
    }

    .footer .shell {
        flex-direction: column;
    }
}