/* Payvii — static site (landing + legal). Local-first personal money tool.
   Calm, private, trustworthy. Theme-aware. No build step, no external fonts. */
:root {
  --paper:#F7F6F3; --surface:#FFFFFF; --ink:#1A1F1C; --muted:#5D6A62;
  --faint:#8A9790; --line:#E6E3DC; --accent:#1E7A56; --accent-ink:#155C40;
  --accent-soft:#DCEDE4;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --measure:66ch;
}
@media (prefers-color-scheme:dark){
  :root{ --paper:#0F1512; --surface:#161D19; --ink:#E9EEEA; --muted:#98A69E;
    --faint:#647069; --line:#232D27; --accent:#4CBB8A; --accent-ink:#68C99E;
    --accent-soft:#16302400; }
}
:root[data-theme="light"]{ --paper:#F7F6F3; --surface:#FFFFFF; --ink:#1A1F1C; --muted:#5D6A62; --faint:#8A9790; --line:#E6E3DC; --accent:#1E7A56; --accent-ink:#155C40; }
:root[data-theme="dark"]{ --paper:#0F1512; --surface:#161D19; --ink:#E9EEEA; --muted:#98A69E; --faint:#647069; --line:#232D27; --accent:#4CBB8A; --accent-ink:#68C99E; }

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--accent-ink);text-underline-offset:2px}
a:hover{color:var(--accent)}
.wrap{max-width:760px;margin:0 auto;padding:clamp(24px,5vw,64px) clamp(18px,5vw,32px)}

/* top bar */
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;
  max-width:960px;margin:0 auto;padding:20px clamp(18px,5vw,32px)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:19px;
  letter-spacing:-.01em;text-decoration:none;color:var(--ink)}
.brand .mark{width:26px;height:26px;border-radius:7px;background:var(--accent);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;font-family:var(--serif)}
.top nav{display:flex;gap:18px;font-size:14px}
.top nav a{color:var(--muted);text-decoration:none}
.top nav a:hover{color:var(--ink)}

/* hero / landing */
.hero{max-width:760px;margin:0 auto;padding:clamp(28px,7vw,80px) clamp(18px,5vw,32px) clamp(20px,4vw,40px)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent-ink);margin-bottom:18px}
h1{font-family:var(--serif);font-weight:600;font-size:clamp(34px,6vw,54px);line-height:1.08;
  letter-spacing:-.015em;margin:0;text-wrap:balance}
.lede{font-size:clamp(17px,2.2vw,20px);color:var(--muted);max-width:var(--measure);margin:20px 0 0}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.pill{display:inline-flex;align-items:center;gap:7px;background:var(--surface);border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;font-size:13.5px;color:var(--muted)}
.pill b{color:var(--ink);font-weight:600}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}

.feature{max-width:760px;margin:clamp(28px,6vw,56px) auto 0;padding:0 clamp(18px,5vw,32px);
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px}
.card h3{margin:0 0 6px;font-size:16px;font-weight:650}
.card p{margin:0;font-size:14px;color:var(--muted)}
.note{max-width:760px;margin:clamp(28px,5vw,48px) auto 0;padding:0 clamp(18px,5vw,32px)}
.note .inner{background:var(--accent-soft);border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  font-size:14px;color:var(--ink)}
@media (prefers-color-scheme:dark){.note .inner{background:#15251f}}

/* legal / long-form */
.doc h1{font-size:clamp(28px,5vw,40px)}
.doc .updated{font-family:var(--mono);font-size:12.5px;color:var(--faint);margin-top:10px}
.doc h2{font-family:var(--serif);font-weight:600;font-size:22px;margin:38px 0 10px;letter-spacing:-.01em}
.doc p,.doc li{max-width:var(--measure);color:var(--ink)}
.doc p{margin:12px 0}
.doc ul{padding-left:22px;margin:12px 0}
.doc li{margin:7px 0}
.doc strong{font-weight:650}
.back{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--muted);
  text-decoration:none;margin-bottom:8px}
.back:hover{color:var(--ink)}

footer{border-top:1px solid var(--line);margin-top:56px}
footer .inner{max-width:960px;margin:0 auto;padding:26px clamp(18px,5vw,32px);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13.5px;color:var(--faint)}
footer nav{display:flex;gap:18px}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}