:root {
    color-scheme: light;
    --paper: #f5f5f5;
    --ink: #141414;
    --muted: #666;
    --line: #dcdcdc;
    --card: #fafafa;
}
* {
    box-sizing: border-box;
}
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font:
        16px/1.5 'Helvetica Neue',
        Helvetica,
        Arial,
        sans-serif;
    -webkit-font-smoothing: antialiased;
}
a {
    color: inherit;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}
button,
textarea,
select {
    font: inherit;
}
button {
    cursor: pointer;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible,
textarea:focus-visible {
    outline: 2px solid #141414;
    outline-offset: 5px;
}
select:focus-visible {
    outline: 2px solid #141414;
    outline-offset: 3px;
}
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 32px;
}
.brand {
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.6px;
    color: #666;
}
.topbar nav {
    display: flex;
    align-items: center;
    gap: 18px;
}
.language {
    border: 0;
    background: transparent;
    font-size: 13px;
    color: #666;
    padding: 10px;
}
.github {
    border-radius: 40px;
    padding: 8px 18px;
    background: #eaeaea;
    text-decoration: none;
    color: #555;
    font-size: 16px;
}
.hero {
    text-align: center;
    padding: 158px 24px 62px;
}
.wordmark {
    font-size: clamp(28px, 3.1vw, 44px);
    font-weight: 600;
    line-height: 1;
    letter-spacing: -2px;
    margin: 0 0 24px;
    color: #909090;
}
h1 {
    font-size: clamp(64px, 9.6vw, 144px);
    line-height: 1.03;
    letter-spacing: -0.07em;
    font-weight: 600;
    margin: 0 0 28px;
}
.lead {
    font-size: clamp(18px, 2vw, 22px);
    line-height: 1.4;
    letter-spacing: -0.5px;
    color: #555;
    margin: 0 auto;
    max-width: 630px;
}
.product-intro {
    max-width: 670px;
    margin: 24px auto 0;
    font-size: 16px;
    line-height: 1.6;
    color: #666;
}
.experiment {
    font-size: 11px;
    color: #777;
    margin-top: 25px;
}
.handoff {
    max-width: 760px;
    margin: 0 auto;
    padding: 36px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 20px;
}
.handoff h2 {
    font-size: 23px;
    line-height: 1.2;
    font-weight: 500;
    letter-spacing: -0.7px;
    margin: 0 0 8px;
}
.support {
    font-size: 13px;
    color: var(--muted);
    margin: 0 0 24px;
}
.warning {
    border-left: 3px solid #222;
    padding-left: 13px;
}
.repository {
    margin: 0 0 24px;
    font-size: 12px;
    color: var(--muted);
}
.repository a {
    display: inline-block;
    margin-top: 3px;
    color: var(--ink);
    font-size: 14px;
    overflow-wrap: anywhere;
}
.selectors {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}
.selectors label > span {
    display: block;
    margin-bottom: 7px;
    color: var(--muted);
    font-size: 12px;
}
.selectors select {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: #fff;
    color: var(--ink);
    padding: 0 36px 0 12px;
}
.guidance {
    margin: 0 0 22px;
    padding: 13px 15px;
    border-radius: 9px;
    background: #ededed;
}
.guidance p {
    margin: 0;
    color: #555;
    font-size: 12px;
}
.guidance p + p {
    margin-top: 6px;
}
.choices {
    display: flex;
    background: #ededed;
    padding: 4px;
    border-radius: 9px;
    margin-bottom: 22px;
}
.choices button {
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: #666;
    width: 50%;
    padding: 9px;
    font-size: 13px;
}
.choices button[aria-pressed='true'] {
    color: #161616;
    background: #fff;
}
.label {
    display: block;
    font-size: 12px;
    color: #666;
    margin-bottom: 10px;
}
textarea {
    display: block;
    width: 100%;
    height: 260px;
    resize: vertical;
    border: 1px solid #ddd;
    border-radius: 10px;
    background: #fff;
    color: #444;
    padding: 16px;
    font:
        14px/1.6 'Helvetica Neue',
        Helvetica,
        Arial,
        sans-serif;
}
.primary {
    width: 100%;
    border: 1px solid #151515;
    border-radius: 40px;
    background: #151515;
    color: white;
    padding: 14px;
    margin-top: 18px;
    font-size: 14px;
}
.primary:hover {
    background: #333;
}
.copy-status {
    font-size: 12px;
    color: #555;
    min-height: 18px;
    margin: 8px 0;
}
.card-footer {
    border-top: 1px solid #e4e4e4;
    padding-top: 15px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 11px;
    color: #777;
}
.card-footer a {
    color: #444;
}
.journey {
    max-width: 980px;
    margin: 92px auto 0;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 56px;
}
.number {
    color: #888;
    font-size: 12px;
}
.journey h2 {
    font-size: 23px;
    font-weight: 500;
    letter-spacing: -0.7px;
    margin: 14px 0 12px;
}
.journey p {
    font-size: 14px;
    color: #666;
    margin: 0;
}
.details {
    max-width: 660px;
    margin: 92px auto 100px;
    padding: 0;
}
.details h2 {
    font-size: 29px;
    font-weight: 500;
    letter-spacing: -1px;
    margin: 0 0 26px;
}
.details details {
    border-bottom: 1px solid var(--line);
    padding: 18px 0;
}
.details summary {
    font-size: 15px;
    cursor: pointer;
    font-weight: 500;
}
.details p {
    font-size: 14px;
    color: #666;
    margin: 14px 0 0;
}
footer {
    max-width: 1180px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--line);
    padding: 25px 32px;
    color: #777;
    font-size: 12px;
}
footer nav {
    display: flex;
    gap: 25px;
}
noscript {
    display: block;
    margin: 24px auto;
    max-width: 660px;
    font-size: 14px;
}
@media (min-width: 1800px) {
    .hero {
        padding-top: 198px;
    }
    .wordmark {
        font-size: 52px;
    }
    h1 {
        font-size: 164px;
    }
}
@media (max-width: 760px) {
    .topbar {
        padding: 18px 22px;
    }
    .hero {
        padding-top: 100px;
        padding-bottom: 42px;
    }
    .wordmark {
        letter-spacing: -1.4px;
        margin-bottom: 20px;
    }
    h1 {
        font-size: clamp(58px, 12vw, 90px);
        letter-spacing: -0.065em;
    }
    .lead {
        font-size: 18px;
    }
    .handoff {
        margin: 0 20px;
        padding: 26px;
    }
    .handoff h2 {
        font-size: 22px;
    }
    .journey {
        gap: 26px;
        margin-top: 60px;
    }
    .journey h2 {
        font-size: 19px;
    }
    .details {
        margin: 60px 28px;
    }
    .details h2 {
        font-size: 26px;
    }
}
@media (max-width: 540px) {
    h1 {
        font-size: clamp(38px, 10vw, 54px);
    }
    .hero {
        padding-top: 84px;
    }
    .handoff {
        padding: 24px 20px;
    }
    .handoff h2 {
        max-width: 250px;
    }
    textarea {
        height: 330px;
        font-size: 13px;
    }
    .selectors {
        grid-template-columns: 1fr;
    }
    .card-footer {
        font-size: 10px;
    }
    .journey {
        grid-template-columns: 1fr;
        gap: 28px;
        margin-left: 4px;
        margin-right: 4px;
    }
    .journey article {
        display: grid;
        grid-template-columns: 30px 1fr;
        gap: 0 14px;
    }
    .number {
        padding-top: 4px;
    }
    .journey h2 {
        font-size: 22px;
        margin: 0 0 8px;
    }
    .journey p {
        grid-column: 2;
    }
    .details h2 {
        font-size: 25px;
    }
    footer {
        padding: 24px;
        align-items: flex-start;
        gap: 20px;
    }
    footer nav {
        flex-wrap: wrap;
        justify-content: flex-end;
        gap: 12px;
        font-size: 11px;
    }
}