/* WisperTalk static pages — shared styles */
:root{
  --bg:#0b0d12; --panel:#12151c; --ink:#e8eaf0; --muted:#9aa3b2;
  --line:#232838; --brand:#6c8cff; --brand-2:#8f7bff; --accent:#1b2030;
  --radius:16px; --maxw:760px;
}
@media (prefers-color-scheme: light){
  :root{ --bg:#f6f7fb; --panel:#ffffff; --ink:#141821; --muted:#5b6473;
         --line:#e6e9f2; --accent:#eef1fa; }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand); text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 22px}
header.site{
  position:sticky; top:0; z-index:10;
  backdrop-filter:saturate(160%) blur(12px);
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom:1px solid var(--line);
}
header.site .wrap{display:flex; align-items:center; gap:12px; height:62px}
.logo{display:flex; align-items:center; gap:10px; font-weight:700; letter-spacing:-.02em; color:var(--ink)}
.logo .mark{
  width:30px; height:30px; border-radius:9px; display:grid; place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:#fff; font-size:16px;
}
header.site nav{margin-left:auto; display:flex; gap:20px; font-size:14px}
header.site nav a{color:var(--muted)}
header.site nav a:hover{color:var(--ink); text-decoration:none}
main{padding:48px 0 40px}
h1{font-size:32px; line-height:1.15; letter-spacing:-.02em; margin:0 0 6px}
.eyebrow{color:var(--brand); font-weight:600; font-size:13px; text-transform:uppercase; letter-spacing:.08em; margin:0 0 10px}
.updated{color:var(--muted); font-size:14px; margin:0 0 28px}
h2{font-size:20px; letter-spacing:-.01em; margin:34px 0 10px}
h3{font-size:16px; margin:22px 0 6px}
p,li{color:var(--ink)}
.lead{font-size:18px; color:var(--muted)}
ul{padding-left:20px} li{margin:6px 0}
.card{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:20px 22px; margin:20px 0}
.callout{background:var(--accent); border:1px solid var(--line); border-radius:12px; padding:14px 16px; font-size:15px; color:var(--muted)}
code{background:var(--accent); padding:2px 6px; border-radius:6px; font-size:.9em}
hr{border:0; border-top:1px solid var(--line); margin:30px 0}
footer.site{border-top:1px solid var(--line); margin-top:24px; padding:26px 0; color:var(--muted); font-size:14px}
footer.site .wrap{display:flex; flex-wrap:wrap; gap:8px 20px; align-items:center}
footer.site nav{display:flex; gap:18px; margin-left:auto}
footer.site a{color:var(--muted)}
.btn{display:inline-block; background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:#fff; padding:12px 20px; border-radius:12px; font-weight:600; margin-top:8px}
.btn:hover{text-decoration:none; opacity:.94}
@media (max-width:520px){ h1{font-size:26px} header.site nav{gap:14px} }