:root {
  --bg: #fafbfd; --fg: #101828; --muted: #52607a; --line: #dfe4ee; --card: #ffffff;
  --accent: #2557d6; --accent-fg: #ffffff; --code-bg: #f2f5fb; --chip-bg: #eaf0fe;
  --ok: #17794a; --ok-bg: #e4f5ec; --wip: #8a5a00; --wip-bg: #fdf1d8; --soon: #53607a; --soon-bg: #edf0f6;
  --phone: #0b1220; --phone-screen: #ffffff; --phone-fg: #101828;
  --kw: #7a3e9d; --str: #0f7a4d; --com: #6b7894; --ty: #1c5fb8;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a0f1a; --fg: #e8edf7; --muted: #9aa8c3; --line: #1f2a40; --card: #101828;
    --accent: #6ea8ff; --accent-fg: #07101f; --code-bg: #0e1626; --chip-bg: #15233f;
    --ok: #55d08d; --ok-bg: #12301f; --wip: #f0c05a; --wip-bg: #33280d; --soon: #9aa8c3; --soon-bg: #19223a;
    --phone: #1a2338; --phone-screen: #0f1626; --phone-fg: #e8edf7;
    --kw: #c79bff; --str: #7fe0ac; --com: #7f8fb0; --ty: #8ec1ff;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); line-height: 1.6;
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-fg); padding: 8px 14px; border-radius: 8px; z-index: 10; }
.skip-link:focus { left: 16px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
code, pre, .mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
code { background: var(--code-bg); padding: 0.12em 0.4em; border-radius: 6px; font-size: 0.9em; }

header.site { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; gap: 16px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--fg); text-decoration: none; letter-spacing: -0.01em; }
.brand svg { width: 28px; height: 28px; }
nav { display: flex; flex-wrap: wrap; gap: 6px 20px; }
nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
nav a:hover { color: var(--fg); }

.hero { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; padding: 56px 0 72px; }
.eyebrow { display: inline-block; font-size: 0.78rem; letter-spacing: 0.12em; font-weight: 700; color: var(--accent); margin: 0 0 14px; }
h1 { font-size: clamp(2.2rem, 5.2vw, 3.6rem); line-height: 1.08; letter-spacing: -0.03em; margin: 0 0 20px; }
h1 em { font-style: normal; color: var(--accent); }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 34em; margin: 0 0 28px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 12px; font-weight: 600; text-decoration: none; border: 1px solid var(--line); color: var(--fg); background: var(--card); }
.btn.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.btn:hover { filter: brightness(0.96); }
.fine { color: var(--muted); font-size: 0.9rem; margin-top: 18px; }

.device { justify-self: center; width: min(300px, 100%); background: var(--phone); border-radius: 44px; padding: 12px; box-shadow: 0 30px 60px -20px rgba(16, 24, 40, 0.35); }
.screen { background: var(--phone-screen); color: var(--phone-fg); border-radius: 34px; padding: 22px 20px 26px; min-height: 420px; display: flex; flex-direction: column; }
.screen .bar { text-align: center; font-weight: 600; font-size: 0.95rem; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.screen .title { font-size: 2rem; font-weight: 700; margin: 56px 0 28px; letter-spacing: -0.02em; text-align: center; }
.screen .row { display: flex; gap: 12px; }
.screen .row span { flex: 1; text-align: center; padding: 13px 0; border-radius: 12px; font-weight: 600; background: var(--chip-bg); color: var(--accent); }
.screen .row span.p { background: var(--accent); color: var(--accent-fg); }
.screen .cap { margin-top: auto; font-size: 0.75rem; color: var(--muted); text-align: center; }
.device-cap { text-align: center; color: var(--muted); font-size: 0.82rem; margin-top: 14px; }

section { padding: 56px 0; border-top: 1px solid var(--line); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); letter-spacing: -0.02em; line-height: 1.15; margin: 0 0 14px; }
.sub { color: var(--muted); max-width: 40em; margin: 0 0 32px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.card h3 { margin: 0 0 8px; font-size: 1.05rem; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 0.97rem; }

.flow { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; counter-reset: s; }
.flow li { counter-increment: s; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px 16px 58px; position: relative; }
.flow li::before { content: counter(s); position: absolute; left: 16px; top: 14px; width: 28px; height: 28px; border-radius: 50%; background: var(--chip-bg); color: var(--accent); font-weight: 700; display: grid; place-items: center; font-size: 0.9rem; }
.flow b { display: block; }
.flow span { color: var(--muted); font-size: 0.95rem; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.split > *, .grid > * { min-width: 0; }
pre { background: var(--code-bg); border: 1px solid var(--line); border-radius: 14px; padding: 18px; overflow-x: auto; font-size: 0.86rem; line-height: 1.55; margin: 0; }
pre .k { color: var(--kw); } pre .s { color: var(--str); } pre .c { color: var(--com); font-style: italic; } pre .t { color: var(--ty); }
.notes p { margin: 0 0 14px; }
.notes p:last-child { margin: 0; }

table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; font-size: 0.97rem; }
th, td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); background: var(--code-bg); }
tr:last-child td { border-bottom: 0; }
td.name { font-weight: 600; white-space: nowrap; }
td small { display: block; color: var(--muted); font-weight: 400; }
.chip { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 0.78rem; font-weight: 700; white-space: nowrap; }
.chip.ok { background: var(--ok-bg); color: var(--ok); } .chip.wip { background: var(--wip-bg); color: var(--wip); } .chip.soon { background: var(--soon-bg); color: var(--soon); }
.scroll { overflow-x: auto; }

.trust li { margin-bottom: 10px; }
footer { border-top: 1px solid var(--line); padding: 36px 0 56px; color: var(--muted); font-size: 0.93rem; }
footer .cols { display: flex; gap: 24px; flex-wrap: wrap; justify-content: space-between; }
footer a { color: var(--muted); }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 28px; gap: 36px; }
  .split { grid-template-columns: 1fr; }
  td.name { white-space: normal; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }