/* ============================================================
   Standard masthead — self-contained (no design-token dependency),
   namespaced under .zsnav so it never clashes with a page's own
   .nav/.btn/.wrap/.logo. Matches the homepage masthead.
   ============================================================ */

.zsnav-skip { position: absolute; left: -9999px; }
.zsnav-rule { height: 1px; background: #1A1815; border: 0; }

.zsnav {
  position: sticky; top: 0; z-index: 100;
  background: #F5F2EC;
  border-bottom: 1px solid #DAD4C7;
  font-family: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
}
.zsnav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 48px;
  height: 74px;
  display: flex; align-items: center; justify-content: space-between;
}

/* logo */
.zsnav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Spectral', Georgia, 'Times New Roman', serif;
  font-weight: 600; font-size: 20px; letter-spacing: -.01em;
  color: #1A1815; text-decoration: none;
}
.zsnav-logo img { width: 26px; height: 26px; object-fit: contain; }

/* links */
.zsnav-links { display: flex; gap: 20px; align-items: center; }
.zsnav-links a {
  font-size: 15px; color: #3C382F; text-decoration: none;
  transition: color .18s cubic-bezier(.22,.61,.36,1);
}
.zsnav-links a:hover { color: #436444; }
.zsnav-links a.active { color: #1A1815; font-weight: 600; }

/* CTA */
.zsnav-actions { display: flex; align-items: center; gap: 12px; }
.zsnav-cta {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-weight: 600; font-size: 15px; line-height: 1;
  padding: 12px 20px; border-radius: 2px;
  border: 1px solid #1A1815; background: #1A1815; color: #F5F2EC;
  text-decoration: none; white-space: nowrap;
  display: inline-flex; align-items: center;
  transition: opacity .18s cubic-bezier(.22,.61,.36,1);
}
.zsnav-cta:hover { opacity: .82; }

/* hamburger */
.zsnav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  width: 30px; height: 24px; position: relative;
}
.zsnav-toggle span {
  position: absolute; left: 0; width: 100%; height: 1.5px; background: #1A1815;
  transition: transform .25s cubic-bezier(.22,.61,.36,1), opacity .25s cubic-bezier(.22,.61,.36,1);
}
.zsnav-toggle span:nth-child(1) { top: 3px; }
.zsnav-toggle span:nth-child(2) { top: 11px; }
.zsnav-toggle span:nth-child(3) { top: 19px; }
.zsnav.open .zsnav-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.zsnav.open .zsnav-toggle span:nth-child(2) { opacity: 0; }
.zsnav.open .zsnav-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* mobile */
@media (max-width: 900px) {
  .zsnav-inner { padding: 0 24px; }
  .zsnav-links, .zsnav-actions { display: none; }
  .zsnav-toggle { display: block; }
  .zsnav.open .zsnav-links {
    display: flex; flex-direction: column; align-items: flex-start;
    position: absolute; top: 74px; left: 0; right: 0;
    background: #F5F2EC; border-bottom: 1px solid #DAD4C7;
    padding: 20px 24px 22px; gap: 12px;
  }
  .zsnav.open .zsnav-actions { display: flex; position: absolute; top: 74px; right: 24px; }
}