:root {
  color-scheme:light; --paper:#f5f6f8; --surface:#fff; --ink:#111116; --muted:#5e5e6a; --green:#007f44; --soft:#ececf2; --line:#d9d9e2; --on-green:#fff; --radius:22px;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC",sans-serif;
  color:var(--ink); background:var(--paper); -webkit-font-smoothing:antialiased;
}
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:100px; }
body { margin:0; min-width:280px; }
a { color:var(--green); text-underline-offset:4px; }
button,input { font:inherit; }
button,a { -webkit-tap-highlight-color:transparent; }
:focus,:focus-visible { outline:none; outline-offset:0; }
button { cursor:pointer; }
h1,h2,h3,p { margin-top:0; }
p { line-height:1.85; }
h1,h2,h3 { letter-spacing:-.04em; line-height:1.35; }
h1 { font-size:clamp(38px,4.5vw,68px); font-weight:750; margin-bottom:26px; }
h2 { font-size:clamp(28px,3vw,42px); margin-bottom:22px; }
h3 { font-size:21px; }
.wrap,.site-header,.site-footer { width:min(1180px,calc(100% - 80px)); margin-inline:auto; }
.site-header { min-height:94px; display:flex; align-items:center; justify-content:space-between; gap:30px; border-bottom:1px solid var(--line); }
.brand { display:inline-flex; align-items:center; text-decoration:none; color:var(--ink); font-weight:800; font-size:27px; letter-spacing:-1.4px; }
.brand-mark { width:40px; height:40px; border-radius:12px; display:block; flex:none; overflow:hidden; background:#000; margin-right:10px; }
.brand-mark img { display:block; width:100%; height:100%; object-fit:cover; filter:invert(1); }
.brand-dot { color:var(--green); }
.site-header nav { display:flex; gap:32px; margin-left:auto; }
.site-header nav a { text-decoration:none; color:var(--muted); font-size:14px; padding:12px 0; }
.site-header nav a:hover,.site-header nav a[aria-current] { color:var(--green); }
.button { display:inline-flex; align-items:center; justify-content:center; gap:14px; min-height:52px; padding:14px 23px; border:1px solid var(--green); border-radius:12px; background:var(--green); color:var(--on-green); text-decoration:none; font-weight:650; font-size:15px; line-height:1.5; transition:transform .2s,box-shadow .2s; }
.button:hover { transform:translateY(-2px); box-shadow:0 5px 16px #20382b12; }
.button.small { min-height:44px; padding:10px 16px; font-size:13px; }
.button.secondary { background:transparent; color:var(--ink); border-color:var(--line); }
.button-row { display:flex; gap:12px; flex-wrap:wrap; margin-top:30px; }
.wide { width:100%; }
.hero { display:grid; grid-template-columns:1.15fr 1fr; align-items:center; gap:60px; padding-top:78px; padding-bottom:68px; }
.eyebrow { color:var(--green); font-size:10px; letter-spacing:2px; font-weight:750; display:flex; align-items:center; gap:9px; margin-bottom:24px; }
.status-dot { width:7px; height:7px; display:inline-block; border-radius:50%; background:var(--green); }
.hero h1 span { color:var(--green); }
.lead { font-size:17px; max-width:550px; color:var(--muted); margin-bottom:0; }
.fine { color:var(--muted); font-size:11px; margin:21px 0 0; line-height:1.7; }
.hero-scene { position:relative; display:flex; align-items:center; justify-content:center; flex-direction:column; min-height:535px; background:var(--soft); border:1px solid var(--line); border-radius:44% 44% 24px 24px; padding:42px 20px 24px; }
.scene-note { font-size:12px; color:var(--green); letter-spacing:3px; margin-bottom:22px; }
.phone { width:300px; max-width:100%; padding:23px 20px 16px; border:5px solid var(--ink); border-radius:33px; background:var(--paper); box-shadow:14px 20px 0 #20382b0a; transform:rotate(-3deg); }
.phone-bar { display:flex; align-items:center; justify-content:space-between; font-size:9px; color:var(--muted); margin-bottom:28px; }
.phone-bar .brand { font-size:20px; color:var(--green); }
.phone h2 { font-size:22px; margin-bottom:23px; }
.example-apps { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.example-apps > div { min-height:106px; padding:14px 9px; border:1px solid var(--line); background:var(--surface); border-radius:15px; }
.example-apps i { display:block; color:var(--green); font-size:21px; margin-bottom:12px; }
.example-apps strong { display:block; font-size:11px; }
.example-apps small { display:block; font-size:8px; margin-top:6px; color:var(--muted); }
.phone-bottom { border-top:1px solid var(--line); padding:15px 0 0; margin-top:22px; display:flex; align-items:center; justify-content:center; gap:10px; font-size:10px; color:var(--green); }
.scene-caption { font-size:10px; margin-top:28px; color:var(--muted); }
.principles { display:flex; justify-content:space-between; gap:25px; border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding-block:27px; color:var(--muted); font-size:13px; }
.principles span { display:flex; gap:12px; align-items:center; }
.principles i { color:var(--green); }
.section { padding-top:96px; padding-bottom:96px; }
.section-intro { display:grid; grid-template-columns:1.2fr 1fr; gap:0 65px; margin-bottom:42px; align-items:end; }
.section-intro .eyebrow { grid-column:1/-1; margin-bottom:20px; }
.section-intro h2 { margin-bottom:0; }
.section-intro > p:last-child { color:var(--muted); max-width:350px; margin-bottom:6px; }
.feature-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:22px; }
.feature { background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:29px; }
.feature > i { display:block; font-size:25px; color:var(--green); margin:24px 0; }
.number { font:11px ui-monospace,monospace; letter-spacing:1px; color:var(--muted); }
.feature h3 { font-size:20px; margin-bottom:16px; }
.feature p { color:var(--muted); font-size:14px; margin-bottom:0; }
.maker-section { padding:80px 0; background:var(--soft); border-block:1px solid var(--line); }
.maker-grid { display:grid; grid-template-columns:1fr 1fr; gap:90px; align-items:center; }
.maker-grid p:not(.eyebrow) { color:var(--muted); font-size:15px; max-width:450px; }
.text-link { display:inline-flex; gap:12px; align-items:center; text-decoration:none; font-size:14px; font-weight:650; padding:12px 0; }
.file-stack > div { display:flex; align-items:center; gap:20px; border:1px solid var(--line); border-radius:15px; background:var(--surface); margin-bottom:12px; padding:23px; }
.file-stack i { color:var(--green); font-size:25px; width:28px; }
.file-stack span { font:600 16px ui-monospace,monospace; }
.file-stack small { display:block; font:12px/1.6 -apple-system,sans-serif; color:var(--muted); margin-top:8px; }
.file-stack b { margin-left:auto; font-size:10px; font-weight:400; padding:6px 9px; border-radius:6px; background:var(--soft); color:var(--green); }
.file-stack > p { margin:20px 0 0; text-align:center; font-size:12px!important; }
.final-cta { text-align:center; }
.final-cta .eyebrow { justify-content:center; }
.final-cta p:not(.eyebrow) { color:var(--muted); margin-bottom:26px; }
.site-footer { border-top:1px solid var(--line); padding:40px 0 32px; display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.site-footer p { margin:12px 0 0; font-size:12px; color:var(--muted); }
.site-footer nav { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:15px 25px; align-content:start; padding-top:12px; }
.site-footer nav a { text-decoration:none; font-size:12px; color:var(--muted); }
.site-footer small { grid-column:1/-1; font-size:10px; color:var(--muted); }
.page-hero { padding-top:70px; padding-bottom:60px; }
.page-hero h1 { font-size:clamp(38px,4vw,58px); }
.page-hero .lead { max-width:620px; }
.content-grid { display:grid; grid-template-columns:1fr 1fr; gap:70px; align-items:start; padding-bottom:90px; }
.download-card { padding:36px; border-radius:var(--radius); background:var(--surface); border:1px solid var(--line); }
.release-label { display:inline-block; border-radius:7px; background:var(--soft); color:var(--green); font-size:11px; padding:8px 10px; margin-bottom:25px; }
.download-card h2 { font-size:32px; }
.download-card > p { font-size:14px; color:var(--muted); margin-bottom:28px; }
.metadata { margin:25px 0; font-size:12px; }
.metadata div { display:grid; grid-template-columns:80px 1fr; gap:15px; padding:14px 0; border-bottom:1px solid var(--line); }
.metadata dt { color:var(--muted); }
.metadata dd { margin:0; overflow-wrap:anywhere; text-align:right; }
.hash { display:block; font:12px/1.8 ui-monospace,monospace; overflow-wrap:anywhere; padding:14px; background:var(--soft); border-radius:8px; margin-bottom:16px; user-select:all; }
.prose { min-width:0; color:var(--ink); }
.prose p,.prose li { font-size:15px; color:var(--muted); line-height:1.9; }
.prose h2 { font-size:28px; margin:0 0 22px; }
.prose h3 { font-size:18px; }
.prose section { padding-bottom:45px; margin-bottom:40px; border-bottom:1px solid var(--line); }
.prose section:last-child { border-bottom:0; }
.prose table { width:100%; border-collapse:collapse; font-size:13px; line-height:1.8; margin:25px 0; }
th,td { padding:15px 12px; border-bottom:1px solid var(--line); text-align:left; vertical-align:top; }
th { background:var(--soft); }
td:first-child { width:130px; color:var(--ink); }
td { color:var(--muted); }
.callout { background:var(--soft); border-left:3px solid var(--green); padding:22px; border-radius:0 12px 12px 0; margin:28px 0; }
.callout h3 { margin-bottom:8px; }
.callout p { margin-bottom:0; }
.steps { padding-left:24px; }
.steps li { padding-left:8px; margin-bottom:20px; }
.steps strong { color:var(--ink); }
.steps p { margin:8px 0 0; }
.guide-layout { display:grid; grid-template-columns:180px minmax(0,1fr); gap:70px; padding-bottom:70px; }
.contents { position:sticky; top:24px; align-self:start; display:flex; flex-direction:column; gap:5px; border-left:1px solid var(--line); }
.contents a { padding:12px 18px; font-size:13px; color:var(--muted); text-decoration:none; }
.contents a:hover { color:var(--green); background:var(--soft); }
.guide-options { background:var(--surface); padding:24px; border-radius:var(--radius); border:1px solid var(--line); }
.guide-options > div + div { border-top:1px solid var(--line); padding-top:22px; }
.prose pre { padding:22px; background:var(--soft); overflow:auto; border-radius:12px; font:14px/1.8 ui-monospace,monospace; }
details { margin:20px 0; border-top:1px solid var(--line); padding-top:16px; }
summary { cursor:pointer; font-size:14px; font-weight:650; min-height:36px; line-height:1.8; }
details > p { font-size:13px; color:var(--muted); }
.narrow { max-width:780px; padding-bottom:70px; }
.support-grid { margin-bottom:20px; }
.support-grid .feature h2 { font-size:23px; }
.support-grid .text-link { margin-top:20px; }
.skip { position:fixed; left:20px; top:-100px; background:var(--surface); padding:12px; z-index:10; }
.skip:focus { top:12px; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
@media(prefers-color-scheme:dark) {
  :root { color-scheme:dark; --paper:#050507; --surface:#0c0c10; --ink:#ffffff; --muted:#b7b7c2; --green:#00f08a; --soft:#18181e; --line:#2b2b33; --on-green:#00140b; }
  .brand-mark img { filter:none; }
  .phone { border-color:#4a4a54; }
}
@media(max-width:900px) {
  .wrap,.site-header,.site-footer { width:calc(100% - 48px); }
  .site-header { gap:20px; }
  .site-header nav { gap:18px; }
  .hero { gap:28px; padding-top:52px; }
  .hero-scene { min-height:475px; }
  .phone { width:270px; }
  .hero h1 { font-size:42px; }
  .lead { font-size:15px; }
  .feature { padding:24px; }
  .maker-grid,.content-grid { gap:35px; }
  .guide-layout { gap:35px; grid-template-columns:145px minmax(0,1fr); }
}
@media(max-width:680px) {
  html { scroll-padding-top:20px; }
  .site-header { flex-wrap:wrap; gap:0; padding-top:18px; }
  .site-header > .button { margin-left:auto; }
  .site-header nav { order:3; width:100%; margin:8px 0 0; gap:28px; padding:7px 0; }
  .site-header nav a { font-size:12px; }
  .hero { grid-template-columns:1fr; padding-top:44px; gap:36px; }
  .hero h1 { font-size:clamp(36px,8vw,48px); }
  .hero-scene { min-height:480px; max-width:460px; width:100%; margin:auto; }
  .phone { width:280px; }
  .hero .eyebrow { font-size:8px; letter-spacing:1.2px; }
  .button-row { gap:10px; }
  .button-row .button { padding:13px 16px; font-size:13px; }
  .principles { flex-direction:column; gap:20px; padding-block:24px; }
  .section { padding-top:60px; padding-bottom:60px; }
  .section-intro { grid-template-columns:1fr; gap:20px; margin-bottom:30px; }
  .section-intro .eyebrow { margin-bottom:0; }
  .feature-grid,.maker-grid,.content-grid { grid-template-columns:1fr; }
  .feature-grid { gap:15px; }
  .feature { padding:26px; }
  .feature > i { margin:18px 0; }
  .maker-section { padding:55px 0; }
  .maker-grid { gap:35px; }
  .file-stack > div { padding:20px; }
  .site-footer { grid-template-columns:1fr; }
  .site-footer nav { justify-content:flex-start; }
  .page-hero { padding:45px 0 38px; }
  .download-card { padding:26px; }
  .content-grid { padding-bottom:55px; }
  .guide-layout { grid-template-columns:1fr; gap:32px; }
  .contents { position:static; flex-direction:row; flex-wrap:wrap; gap:0; border-left:0; border-block:1px solid var(--line); padding:10px 0; }
  .contents a { padding:10px 14px 10px 0; }
  .prose h2 { font-size:25px; }
  .prose table { font-size:12px; }
  th,td { padding:12px 8px; }
  td:first-child { width:90px; }
}
@media(prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } * { transition:none!important; } }