:root { color-scheme: light dark; --bg: #f6f7fb; --surface: #fff; --text: #202537; --muted: #5b6376; --line: #e2e5ed; --accent: #4c43c9; --soft: #ecebff; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif; font-size: 16px; line-height: 1.8; word-break: keep-all; overflow-wrap: anywhere; }
a { color: var(--accent); text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; border-radius: 3px; }
.wrap { width: min(100% - 40px, 960px); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.brand { color: var(--text); text-decoration: none; font-size: 21px; font-weight: 800; letter-spacing: -.7px; }
.site-nav { display: flex; flex-wrap: wrap; gap: 10px 20px; font-size: 14px; }
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--accent); font-weight: 700; }
.hero { padding-block: 64px 40px; }
.eyebrow { color: var(--accent); font-size: 13px; font-weight: 750; letter-spacing: .12em; }
h1 { font-size: clamp(30px, 5.3vw, 48px); line-height: 1.3; letter-spacing: -1.5px; margin: 14px 0 20px; }
h2 { font-size: 23px; line-height: 1.5; letter-spacing: -.5px; }
h3 { font-size: 18px; margin-top: 0; }
p { margin: 0 0 16px; }
.lead { max-width: 690px; color: var(--muted); font-size: 18px; }
.button { display: inline-flex; align-items: center; justify-content: center; margin-top: 14px; padding: 11px 22px; background: var(--accent); color: #fff; border-radius: 10px; text-decoration: none; font-weight: 700; }
.platforms { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; padding: 0; list-style: none; }
.platforms li { background: var(--soft); color: var(--accent); padding: 4px 13px; border-radius: 100px; font-size: 14px; font-weight: 650; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-block: 26px 38px; }
.card { padding: 25px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.card p { margin-bottom: 0; color: var(--muted); }
.callout { padding: 24px 28px; background: var(--soft); border-radius: 14px; }
.callout h2 { margin-top: 0; }
.document { max-width: 780px; padding-block: 46px 22px; }
.document h1 { font-size: clamp(28px, 4.5vw, 38px); }
.document section { margin-top: 34px; }
.document h2 { font-size: 21px; margin-bottom: 12px; }
.document ul { padding-left: 22px; }
.document li { margin-bottom: 8px; }
.meta { color: var(--muted); font-size: 14px; }
.site-footer { border-top: 1px solid var(--line); margin-top: 54px; padding-block: 24px 36px; color: var(--muted); font-size: 14px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-bottom: 14px; }
.site-footer p { margin-bottom: 4px; }
.skip { position: absolute; left: 16px; top: -100px; background: var(--surface); padding: 8px 16px; z-index: 1; }
.skip:focus { top: 8px; }
@media (max-width: 600px) { .site-header { align-items: flex-start; flex-direction: column; gap: 8px; } .hero { padding-top: 40px; } .grid { grid-template-columns: 1fr; } .card, .callout { padding: 21px; } .document { padding-top: 30px; } }
@media (prefers-color-scheme: dark) { :root { --bg: #141622; --surface: #1e2131; --text: #eef0fa; --muted: #b4bbd0; --line: #35394d; --accent: #b6b0ff; --soft: #292644; } .button { background: #7064e8; color: #fff; } }