/* Cartbeat public marketing/legal shell · same Thermals palette as landing.html
   (light mode uses canopy greens for buttons/links). Keep pages simple; share one look. */

*{box-sizing:border-box}

body.site{
  --void:#0e1512;
  --sky:#151f1c;
  --ink:#e7f6ec;
  --soft:#b8d4c4;
  --sub:#7a9688;
  --faint:#4f665a;
  --line:rgba(47,224,106,.14);
  --line-strong:rgba(47,224,106,.34);
  --card:rgba(150,240,180,.04);
  --green:#2fe06a;
  --green-dim:#1a9e48;
  --green-ink:#041008;
  --glow:rgba(47,224,106,.16);
  --shadow:rgba(0,0,0,.45);
  --radius:16px;

  margin:0;
  min-height:100vh;
  font:15.5px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(ellipse 100% 50% at 50% -8%, rgba(30,100,60,.22), transparent 55%),
    linear-gradient(180deg, var(--void) 0%, var(--sky) 50%, #0a1410 100%);
  -webkit-font-smoothing:antialiased;
}

html[data-theme="light"] body.site{
  --void:#f2f0ea;
  --sky:#ebe8e0;
  --ink:#111814;
  --soft:#3d4a42;
  --sub:#5c6b62;
  --faint:#8a968e;
  --line:rgba(20,40,28,.1);
  --line-strong:rgba(22,163,74,.28);
  --card:rgba(255,255,255,.85);
  --green:#16a34a;
  --green-dim:#15803d;
  --green-ink:#fff;
  --glow:rgba(22,163,74,.08);
  --shadow:rgba(20,30,24,.1);
  background:
    radial-gradient(ellipse 90% 45% at 50% -6%, rgba(22,163,74,.07), transparent 55%),
    linear-gradient(180deg, var(--void) 0%, var(--sky) 100%);
}

body.site a{color:var(--green);text-decoration:none}
body.site a:hover{text-decoration:underline}

/* top bar · matches lander brand row */
.site-top{
  position:sticky;top:0;z-index:20;
  backdrop-filter:blur(14px) saturate(1.2);
  background:color-mix(in srgb, var(--void) 82%, transparent);
  border-bottom:1px solid var(--line);
}
.site-top-inner{
  max-width:760px;margin:0 auto;
  padding:14px 22px;
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.site-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:750;font-size:15px;letter-spacing:-.02em;color:var(--ink);
  text-decoration:none!important;
}
.site-brand img{
  height:30px;width:auto;border-radius:7px;display:block;
}
.site-nav{
  display:flex;flex-wrap:wrap;gap:4px;margin-left:4px;
}
.site-nav a{
  font-size:13px;color:var(--sub);padding:7px 11px;border-radius:999px;
  text-decoration:none!important;
}
.site-nav a:hover{color:var(--ink);background:rgba(255,255,255,.05)}
html[data-theme="light"] .site-nav a:hover{background:rgba(0,0,0,.04)}
.site-top-end{margin-left:auto;display:flex;align-items:center;gap:8px}

.site-btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:8px 14px;border-radius:999px;font-weight:700;font-size:13px;
  border:1px solid transparent;cursor:pointer;
  text-decoration:none!important;
}
.site-btn-solid{
  background:linear-gradient(135deg,var(--green),var(--green-dim));
  color:var(--green-ink)!important;
  box-shadow:0 6px 20px -10px color-mix(in srgb,var(--green) 50%,transparent);
}
.site-btn-ghost{
  border-color:var(--line);background:var(--card);color:var(--ink)!important;
}

/* content */
.site-wrap{
  max-width:760px;margin:0 auto;
  padding:36px 22px 48px;
}
.site-wrap h1{
  font-size:clamp(1.75rem,3.5vw,2.1rem);
  letter-spacing:-.03em;font-weight:750;
  margin:0 0 10px;color:var(--ink);
}
.site-wrap .meta{
  color:var(--sub);font-size:13.5px;margin:0 0 28px;line-height:1.5;
}
.site-wrap h2{
  font-size:1.05rem;font-weight:700;letter-spacing:-.02em;
  margin:28px 0 10px;color:var(--ink);
}
.site-wrap p,.site-wrap li{color:var(--sub);line-height:1.6}
.site-wrap p{margin:0 0 12px}
.site-wrap ul{padding-left:1.2em;margin:0 0 12px}
.site-wrap li{margin:5px 0}
.site-wrap strong{color:var(--ink);font-weight:650}
.site-wrap code{
  font-size:13px;
  background:color-mix(in srgb,var(--green) 10%,transparent);
  border:1px solid var(--line);
  padding:2px 6px;border-radius:6px;color:var(--soft);
}
html[data-theme="light"] .site-wrap code{color:var(--ink)}

.site-box{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px 18px;margin:14px 0;font-size:14.5px;
}
.site-box p{margin:0}
.site-box p+p{margin-top:10px}

/* under-construction center */
.site-center{
  min-height:calc(100vh - 120px);
  display:grid;place-items:center;
  padding:40px 22px 64px;
  text-align:center;
}
.site-center .mark img{
  height:56px;width:auto;border-radius:12px;margin:0 auto 20px;display:block;
}
.site-center h1{margin:0 0 12px;font-size:1.75rem;letter-spacing:-.03em}
.site-center p{color:var(--sub);margin:0 0 12px;max-width:28em}

/* footer */
.site-foot{
  max-width:760px;margin:0 auto;
  padding:28px 22px 48px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  flex-wrap:wrap;
  color:var(--sub);font-size:13px;line-height:1.55;
}
.site-foot a{color:var(--green)}
.site-foot-meta{flex:1;min-width:min(100%,200px)}
.site-foot-mark{flex-shrink:0;margin-left:auto;line-height:0}
.site-foot-mark img{
  height:56px;width:auto;max-width:120px;border-radius:12px;display:block;object-fit:contain;
}
@media(max-width:560px){
  .site-foot-mark{margin-left:0}
  .site-foot-mark img{height:48px}
}