/* App Stats website — single-column, quiet, light/dark aware (inspired by indie "letter" sites) */
:root{
  --bg:#fbfbf9; --text:#1c1c1a; --muted:#6b6a65; --faint:#8f8e88; --line:#e6e5e0;
  --surface:#f1f0ec; --btn-bg:#1c1c1a; --btn-fg:#fbfbf9;
  --up:#1a8f46; --accent:#4f46e5;
  --col:440px;
  --font:"SN Pro",-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Helvetica,Arial,sans-serif;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#111110; --text:#eeeeec; --muted:#b5b3ad; --faint:#85837d; --line:#262624;
    --surface:#1a1a18; --btn-bg:#eeeeec; --btn-fg:#24230a; --up:#34c46a; --accent:#8b86ff}
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/28px var(--font);-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--btn-bg);color:var(--btn-fg);padding:6px 12px;border-radius:99px;z-index:9}
.skip:focus{left:8px}

.page{width:min(100% - 40px,var(--col));margin-inline:auto;padding:48px 0 56px}
.wide{width:min(100% - 40px,720px);margin-inline:auto}

/* Header */
.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:40px;font-size:13px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:500;font-size:14px}
.brand img{width:28px;height:28px;border-radius:7px}
.top nav{display:flex;align-items:center;gap:18px}
.top nav a{text-decoration:none;color:var(--muted)}
.top nav a:hover{color:var(--text)}
.top nav a.pill{color:var(--btn-fg)}

/* Buttons */
.pill,.btn{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:99px;background:var(--btn-bg);color:var(--btn-fg);font-size:13px;font-weight:500;text-decoration:none;transition:transform .15s ease,opacity .15s}
.btn{height:36px;padding:0 16px;font-size:14px}
.btn.alt{background:var(--surface);color:var(--text)}
.pill:hover,.btn:hover{opacity:.88}
.pill:active,.btn:active{transform:scale(.97)}

/* Hero */
.hero{margin:0 auto 40px}
.shot{border-radius:20px;overflow:hidden;aspect-ratio:4/3;display:grid;place-items:center;padding:28px 0 0;
  background:radial-gradient(120% 90% at 20% 0%,#7c8cff 0%,transparent 55%),radial-gradient(110% 90% at 100% 100%,#ff9d6c 0%,transparent 55%),#5b5fd6}
.phone{width:min(58%,260px);align-self:end;background:var(--bg);border-radius:30px 30px 0 0;padding:10px 10px 0;border:1px solid rgb(255 255 255/.35);border-bottom:0;box-shadow:0 20px 50px rgb(0 0 0/.25);line-height:1.4}
.screen{border-radius:22px 22px 0 0;background:var(--surface);padding:18px 14px 6px}
.rng{display:flex;gap:5px;font-size:10px;margin-bottom:12px}
.rng span{padding:1px 8px;border-radius:99px;background:var(--bg);color:var(--muted)}
.rng .on{background:var(--btn-bg);color:var(--btn-fg)}
.lbl{font-size:10px;color:var(--muted);margin:0}
.val{font-size:26px;font-weight:650;letter-spacing:-.02em;margin:0;line-height:1.2}
.chg{font-size:11px;color:var(--up);font-weight:600;margin:0}
.spark{display:block;width:100%;height:38px;margin:4px 0 8px}
.spark path{fill:none;stroke:var(--accent);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.row{display:flex;justify-content:space-between;font-size:11px;padding:6px 0;border-top:1px solid var(--line)}
.row b{font-weight:600}

/* Prose */
h1{font-size:17px;line-height:28px;font-weight:600;margin:0 0 20px;letter-spacing:-.005em}
h2{font-size:15px;line-height:28px;font-weight:600;margin:36px 0 8px}
p{margin:0 0 16px;color:var(--muted)}
p strong,.lead{color:var(--text)}
.prose a{text-decoration:underline;text-decoration-color:var(--faint);text-underline-offset:4px}
ul.plain{margin:0 0 16px;padding:0;list-style:none;color:var(--muted)}
ul.plain li{padding-left:18px;position:relative}
ul.plain li::before{content:"–";position:absolute;left:2px;color:var(--faint)}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 10px}
.meta{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:12px;color:var(--faint);margin:0 0 32px}
code{font:12.5px ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--surface);padding:1px 6px;border-radius:6px}

/* Cards */
.card{border:1px solid var(--line);background:var(--surface);border-radius:16px;padding:18px 20px;margin-bottom:12px}
.card h3{margin:0 0 2px;font-size:14px;line-height:24px}
.card p{margin:0;font-size:14px;line-height:24px}
.card ul{margin:8px 0 0;padding:0;list-style:none;font-size:14px;line-height:24px;color:var(--muted)}
.card li::before{content:"✓ ";color:var(--accent)}
.cols{display:grid;gap:12px;margin-bottom:12px}
.cols .card{margin:0}

/* FAQ */
details{border-top:1px solid var(--line);padding:10px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px;color:var(--text);font-weight:500}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--faint)}
details[open] summary::after{content:"–"}
details p{margin:6px 0 4px;font-size:14px;line-height:24px}

/* Footer */
.foot{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:40px;font-size:13px;color:var(--muted)}
.foot a{text-decoration:none}
.foot a:hover{color:var(--text)}
.copy{font-size:12px;color:var(--faint);margin:16px 0 0}

@media (min-width:720px){.page{padding-top:64px}.cols{grid-template-columns:1fr 1fr}}
.reveal{animation:rise .6s ease both}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.reveal{animation:none}.pill,.btn{transition:none}}
.brand,.pill{white-space:nowrap}
@media (max-width:520px){.top nav a:not(.pill):not([aria-current]){display:none}.top nav{gap:14px}}
.prose ul:not(.plain){margin:0 0 16px;padding-left:20px;color:var(--muted)}
.prose ul:not(.plain) li{margin:4px 0}
.prose ul:not(.plain) strong{color:var(--text)}