*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:    #1c2b3a;
  --navy2:   #253648;
  --navy3:   #2e4460;
  --gold:    #b8922a;
  --gold-lt: #d4aa4a;
  --gold-pale: #f5edd5;
  --cream:   #faf7f2;
  --parch:   #f0e8d5;
  --warm:    #fffcf7;
  --text:    #1c2b3a;
  --muted:   #566070;
  --faint:   #8a9aaa;
  --rule:    #ddd4bc;
  --green:   #246b41;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  background: var(--cream);
  color: var(--text);
  font-size: 17px;
  line-height: 1.65;
}

a { color: inherit; }

nav {
  background: var(--navy);
  border-bottom: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  font-family: 'Lora', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}
.nav-logo span { color: var(--gold-lt); }

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.8rem;
}
.nav-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color .2s;
}
.nav-links a:hover { color: var(--gold-lt); }

.nav-dl {
  background: var(--gold);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.42rem 1.1rem;
  border-radius: 4px;
  text-decoration: none;
  transition: background .2s;
}
.nav-dl:hover { background: var(--gold-lt); }

footer {
  background: var(--navy);
  border-top: 2px solid var(--gold);
  padding: 2.2rem 2.5rem;
}
.footer-inner {
  max-width: 1060px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-brand {
  font-family: 'Lora', serif;
  font-weight: 700;
  color: #fff;
  font-size: 1rem;
}
.footer-brand span { color: var(--gold-lt); }
.footer-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.38);
  text-decoration: none;
  transition: color .15s;
}
.footer-links a:hover { color: var(--gold-lt); }
.footer-copy {
  font-family: 'DM Mono', monospace;
  font-size: 0.66rem;
  color: rgba(255,255,255,0.22);
}

.btn-dl {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  padding: 0.75rem 1.8rem;
  border-radius: 5px;
  text-decoration: none;
  transition: background .2s, transform .15s;
  border: none;
  cursor: pointer;
}
.btn-dl:hover { background: #2e8a54; transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--navy);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.62rem 1.3rem;
  border-radius: 5px;
  text-decoration: none;
  border: 1.5px solid var(--rule);
  transition: border-color .2s, color .2s;
  cursor: pointer;
}
.btn-secondary:hover { border-color: var(--navy); }

.fade { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; }
.fade.in { opacity: 1; transform: none; }

@media (max-width: 700px) {
  nav { padding: 0 1.2rem; }
  .nav-links { display: none; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}