/* Shared site header for every prospectortrails.com page (homepage, /minerals/, privacy, terms).
   Self-contained so it looks the same whatever page stylesheet sits beside it. */
.nav { --nav-text: #eef3f1; --nav-muted: #9aa7a3; --nav-line: rgba(255, 255, 255, .08); --nav-line2: rgba(255, 255, 255, .14); --nav-lime: #dcff3c;
  position: fixed; inset: 0 0 auto; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px max(24px, env(safe-area-inset-left)); border-bottom: 1px solid transparent; color: var(--nav-text);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif; transition: background .3s, border-color .3s, padding .3s; }
.nav.solid, .nav.open { background: rgba(5, 8, 10, .82); backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-color: var(--nav-line); padding-top: 10px; padding-bottom: 10px; }
.nav .brand { display: inline-flex; align-items: center; gap: 10px; color: var(--nav-text); text-decoration: none; font-family: "Inter Tight", Inter, system-ui, sans-serif;
  font-weight: 600; font-size: 17px; letter-spacing: -.01em; }
.nav .brand img { width: 30px; height: 30px; }
.nav nav { display: flex; gap: 28px; font-size: 14.5px; }
.nav nav a { color: var(--nav-muted); text-decoration: none; transition: color .2s; }
.nav nav a:hover, .nav nav a[aria-current] { color: var(--nav-text); }
.nav nav .nav-signin { display: none; }
.nav-cta { display: flex; align-items: center; gap: 8px; }
.nav .btn { display: inline-flex; align-items: center; height: 36px; padding: 0 14px; border-radius: 999px; background: var(--nav-lime); color: #0b1200;
  font-weight: 600; font-size: 14px; line-height: 1; text-decoration: none; white-space: nowrap; border: 0; }
.nav .btn.ghost { background: rgba(255, 255, 255, .04); color: var(--nav-text); border: 1px solid var(--nav-line2); }
.nav .btn.ghost:hover { background: rgba(255, 255, 255, .09); }
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 999px; border: 1px solid var(--nav-line2); background: rgba(255, 255, 255, .04);
  color: var(--nav-text); cursor: pointer; padding: 0; align-items: center; justify-content: center; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { display: block; width: 16px; height: 1.5px; background: currentColor; border-radius: 2px;
  position: relative; transition: transform .25s, background .25s; }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -5px; }
.nav-toggle span::after { top: 5px; }
.nav.open .nav-toggle span { background: transparent; }
.nav.open .nav-toggle span::before { transform: translateY(5px) rotate(45deg); }
.nav.open .nav-toggle span::after { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 1240px) { .nav nav { gap: 20px; font-size: 14px; } }
@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }
  .nav nav { display: none; position: absolute; top: calc(100% + 8px); left: 12px; right: 12px; flex-direction: column; gap: 0; padding: 8px;
    background: rgba(8, 12, 14, .97); border: 1px solid var(--nav-line2); border-radius: 16px; box-shadow: 0 24px 60px -20px rgba(0, 0, 0, .8); font-size: 16px; }
  .nav.open nav { display: flex; }
  .nav nav a { padding: 13px 14px; border-radius: 10px; color: var(--nav-text); }
  .nav nav a:hover, .nav nav a[aria-current] { background: rgba(255, 255, 255, .06); }
}
@media (max-width: 640px) {
  .nav { padding: 10px 16px; }
  .nav .brand span { font-size: 16px; }
  .nav-cta .btn.ghost { display: none; }
  .nav nav .nav-signin { display: block; border-top: 1px solid var(--nav-line); border-radius: 0 0 10px 10px; margin-top: 4px; }
}
@media (max-width: 360px) {
  .nav .brand span { display: none; }
}