/* -------- Brand tokens -------- */
:root{
  --blue:#1f6feb; --yellow:#ffd24d;
  --ink:#0f172a; --ink-strong:#0b1221; --muted:#64748b;
  --bg:#ffffff; --card:#ffffff; --border:rgba(0,0,0,.08);
  --link:#1f6feb;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b1020; --ink:#e5e7eb; --ink-strong:#e5e7eb; --muted:#94a3b8;
    --card:#0f172a; --border:#1e293b; --link:#8ab4ff;
  }
}
/* Manual toggle via <html class="dark-mode"> */
html.dark-mode{
  --bg:#0b1020; --ink:#e5e7eb; --ink-strong:#e5e7eb; --muted:#94a3b8;
  --card:#0f172a; --border:#1e293b; --link:#8ab4ff;
}

/* -------- Layout -------- */
body{ background: var(--bg); color: var(--ink); }
.page-container{
  max-width: 900px; margin: 0 auto; padding: 1.25rem 1rem 2rem;
}
.page-container h1{
  margin: 0 0 .5rem; font-size: clamp(1.8rem,2.6vw,2.3rem);
  color: var(--ink-strong);
}
.page-container h3{
  margin: 1.2rem 0 .45rem; font-size: 1.15rem; color: var(--ink-strong);
}
.page-container p{ color: var(--ink); }
.page-container em{ color: var(--muted); }

ul, ol{ margin: .25rem 0 .8rem 1.2rem; }
li{ margin: .25rem 0; }

/* Optional card blocks if you need them later */
.card{
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 1rem 1rem; margin: .75rem 0;
}

/* Links / buttons */
a{ color: var(--link); }
a:hover{ text-decoration: underline; }
.btn{
  display:inline-block; padding:.6rem 1rem; border-radius:8px; font-weight:600;
  background: var(--blue); color:#fff; text-decoration:none; border:1px solid transparent;
}

