/* ArkansasBitcoin.org shared styles */
/* v2025.1113.30 */

:root {
  --ark-red: #9D1D2B;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: rgba(148, 163, 184, 0.15);
  --radius: 16px;
  --link: #9D1D2B;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f172a;
    --surface: #111827;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --border: rgba(148, 163, 184, 0.25);
    --link: #f97373;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--link);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* Header / Nav */
header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(148,163,184,0.15);
  background: rgba(248, 250, 252, 0.75);
}
@media (prefers-color-scheme: dark) {
  header { background: rgba(15, 23, 42, 0.85); }
}

.top-bar {
  text-align: center;
  padding: 0.45rem 1rem;
  font-size: 0.78rem;
  background: rgba(157, 29, 43, 0.07);
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.9rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.brand {
  display:flex;
  gap:.5rem;
  align-items:center;
  font-weight:700;
  color: inherit;
  text-decoration: none;
}
.brand img {
  width:34px;
  height:34px;
  filter: grayscale(100%);
  transition: filter 0.4s ease-in-out;
}
.brand:hover img {
  filter: grayscale(0%);
}
.brand:hover { opacity: .9; }

nav ul {
  display:flex;
  gap:.8rem;
  list-style:none;
  margin:0;
  padding:0;
}
nav a {
  color:var(--text);
  font-weight:500;
  font-size:0.9rem;
}
nav a.active {
  color: var(--ark-red);
  font-weight: 600;
}

.btn {
  background: var(--ark-red);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 0.5rem .95rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  font-size: 0.85rem;
}
.btn-outline {
  background: transparent;
  border: 1px solid rgba(157, 29, 43, 0.4);
  color: var(--ark-red);
  border-radius: 999px;
  padding: 0.5rem .95rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  font-size: 0.85rem;
}

@media (max-width:880px){
  nav ul { display:none; }
}

/* Footer */
.site-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1rem 2rem;
  font-size: 0.7rem;
  color: var(--muted);
}
.site-footer .verse {
  margin-top:.4rem;
  font-size:.7rem;
  color:var(--muted);
  font-style:italic;
}