@font-face{font-family:"IBM Plex Sans";font-weight:400;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-weight:600;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-weight:700;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-weight:400;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2")}

:root{
  --bg:#faf8f4; --surface:#ffffff; --surface-2:#f1ede5; --text:#1b1d1f; --muted:#555a5f;
  --border:#ddd7ca; --accent:#7a4f00; --accent-bg:#e8b04b; --accent-ink:#17191b;
  --code-bg:#17191b; --code-text:#f2efe8; --focus:#005fcc;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#121416; --surface:#1a1d20; --surface-2:#22262a; --text:#ece9e2; --muted:#a4a8ac;
    --border:#30353a; --accent:#e8b04b; --code-bg:#0b0c0d; --focus:#7fb2ff;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--text);font:400 1.0625rem/1.6 var(--sans);overflow-wrap:break-word}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
code,pre{font-family:var(--mono);font-size:.9em}
:not(pre)>code{background:var(--surface-2);padding:.1em .35em;border-radius:4px}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:12px;top:-60px;background:var(--accent-bg);color:var(--accent-ink);padding:8px 14px;border-radius:6px;z-index:10;font-weight:600}
.skip:focus{top:12px}

.top{border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0;z-index:5}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700;font-size:1.15rem}
.brand img{border-radius:6px}
.top nav{display:flex;gap:4px 18px;flex-wrap:wrap}
.top nav a{color:var(--text);text-decoration:none;padding:6px 2px;font-size:.95rem}
.top nav a:hover{color:var(--accent);text-decoration:underline}

section{padding:56px 0}
section+section{border-top:1px solid var(--border)}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,6vw,3.4rem);font-weight:700;max-width:18ch;letter-spacing:-.025em}
h2{font-size:clamp(1.5rem,3.5vw,2rem);font-weight:700}
h3{font-size:1.1rem;font-weight:600}
.sub{color:var(--muted);max-width:62ch;margin:0 0 1.5em}

.hero{padding:72px 0 56px}
.eyebrow{margin:0 0 14px;color:var(--accent);font-weight:600;font-size:.9rem;letter-spacing:.06em;text-transform:uppercase}
.lead{font-size:1.2rem;max-width:56ch;color:var(--muted);margin:0 0 28px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 16px}
.btn{display:inline-block;padding:12px 24px;border:2px solid var(--border);border-radius:10px;color:var(--text);text-decoration:none;font-weight:600;background:var(--surface)}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent-bg);border-color:var(--accent-bg);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.07)}
.note{color:var(--muted);font-size:.92rem;margin:0}

.cards{list-style:none;margin:0;padding:0;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.cards li,.panel{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px}
.cards p,.panel p{margin:0;color:var(--muted)}
.panel p+p{margin-top:.8em}
.small{font-size:.92rem}

.demo{margin:0}
.demo img,.demo video{display:block;height:auto;width:100%;border-radius:14px;border:1px solid var(--border);background:var(--code-bg)}
.demo figcaption{color:var(--muted);font-size:.92rem;margin-top:10px}

.shots{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-start}
.shots img{border-radius:12px;max-width:100%}
.shots img[width="600"]{width:min(100%,420px)}
.shots img[width="480"]{width:min(100%,340px)}
.shots img[width="260"]{width:min(100%,170px)}

.steps{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:18px}
.steps h3{margin-bottom:.4em}
.code{position:relative}
pre{margin:0;background:var(--code-bg);color:var(--code-text);padding:16px 84px 16px 16px;border-radius:12px;overflow-x:auto;line-height:1.55}
.copy{position:absolute;top:10px;right:10px;font:600 .85rem var(--sans);padding:6px 12px;border-radius:8px;border:1px solid #4a4f54;background:#2a2e32;color:#f2efe8;cursor:pointer;min-width:5.2em}
.copy:hover{background:#3a3f44}
.copy:focus-visible{outline-color:#7fb2ff}

.two{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr))}
.plain{margin:0 0 1em;padding-left:1.2em;max-width:78ch}
.plain li{margin-bottom:.7em}

footer{border-top:1px solid var(--border);padding:40px 0 56px;background:var(--surface-2)}
footer p{margin:0 0 14px}
.disclaimer{max-width:70ch}
.links{list-style:none;display:flex;flex-wrap:wrap;gap:6px 22px;padding:0;margin:0 0 14px}
footer .small{color:var(--muted)}

@media (max-width:560px){
  section{padding:40px 0}
  .hero{padding:44px 0 36px}
  .btn{flex:1 1 100%;text-align:center}
}

/* demo video: pause/play control and transcript */
.demo-bar{display:flex;align-items:flex-start;gap:14px;margin-top:10px}
.demo-bar figcaption{margin:0;flex:1}
.vbtn{font:600 .9rem var(--sans);padding:8px 16px;border-radius:8px;border:2px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;min-width:5.5em;min-height:44px}
.vbtn:hover{border-color:var(--accent)}
.vbtn[hidden]{display:none}
.transcript{margin-top:10px;color:var(--muted);font-size:.95rem}
.transcript summary{cursor:pointer;color:var(--text);font-weight:600}
.transcript ol{margin:.6em 0 0;padding-left:1.4em;max-width:70ch}
.transcript li+li{margin-top:.4em}

/* app screenshots */
.shot{display:block;max-width:100%;height:auto;margin-top:16px;border-radius:10px;border:1px solid var(--border);background:var(--code-bg)}
.phones{display:flex;gap:12px;align-items:flex-start}
.phones .shot{width:calc(50% - 6px);min-width:0}
.panel.term{margin-top:16px}
.panel.term .shot{width:100%;max-width:1000px}