/* ===================================================
   QuestHub — Global Styles
   questhub.eco — Part of the EvoBioSys network
   =================================================== */

:root {
  /* QuestHub palette */
  --qh-gold: #b8860b;
  --qh-gold-light: #daa520;
  --qh-gold-glow: #f5deb3;
  --qh-green: #4a7c59;
  --qh-green-light: #6da67a;
  --qh-green-pale: #e8f3ec;
  --qh-soil: #3d2b1f;
  --qh-soil-muted: #7a6455;
  --qh-parchment: #fdf8f0;
  --qh-cream: #faf5e8;
  --qh-sand: #efe6d5;
  --qh-border: #e2d8c8;

  /* Base (inherited from evobiosys.org palette for consistency) */
  --color-bg: #fdf8f0;
  --color-text: #3d2b1f;
  --color-text-muted: #7a6455;
  --color-white: #ffffff;
  --color-accent: #4a7c59;
  --color-accent-light: #6da67a;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--qh-parchment);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--qh-green);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover { color: var(--qh-green-light); }

/* ---- Navigation ---- */
.qh-nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: rgba(253, 248, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.qh-nav.scrolled { border-bottom-color: var(--qh-border); }

.qh-nav-logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--qh-soil);
  letter-spacing: -0.03em;
  text-decoration: none;
}
.qh-nav-logo span { color: var(--qh-gold); }

.qh-nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.qh-nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--qh-soil);
  padding: 0.4rem 1rem;
  background: var(--qh-cream);
  border: 1px solid var(--qh-border);
  border-radius: 100px;
  transition: background 0.2s, border-color 0.2s;
}
.qh-nav-link:hover {
  background: var(--qh-sand);
  color: var(--qh-soil);
  border-color: var(--qh-gold-light);
}

.qh-nav-parent {
  font-size: 0.82rem;
  color: var(--qh-soil-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.qh-nav-parent:hover { color: var(--qh-green); }

/* ---- Shared utility ---- */
.btn {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  border: none;
  font-family: var(--font-main);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--qh-gold);
  color: var(--color-white);
  border-radius: 999px;
}
.btn-primary:hover { background: var(--qh-gold-light); color: var(--color-white); }

.status {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.status-active {
  background: var(--qh-green-pale);
  color: var(--qh-green);
}

/* ---- Footer ---- */
.qh-footer {
  background: var(--qh-soil);
  color: rgba(255,255,255,0.7);
  padding: 3rem 2rem;
}
.qh-footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}
.qh-footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}
.qh-footer-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--qh-gold-light);
  letter-spacing: -0.02em;
}
.qh-footer-tagline {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.qh-footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.qh-footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.2s;
}
.qh-footer-links a:hover { color: var(--qh-gold-light); }
.qh-footer-copy {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}
.qh-footer-copy a { color: rgba(255,255,255,0.5); }
.qh-footer-copy a:hover { color: var(--qh-gold-light); }

@media (max-width: 600px) {
  .qh-nav-parent { display: none; }
  .qh-footer-links { gap: 1rem; }
}