/* ================================================================
   UNVAULT STUDIO — Vault Page Styles
   vault.html only — loaded alongside styles.css
   ================================================================ */

/* ---- Force nav always dark on this light page ---- */
nav#nav {
  color: var(--black) !important;
  background: rgba(240, 237, 230, 0.96) !important;
  border-bottom: 1px solid rgba(10,10,10,0.07) !important;
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
}
nav#nav .nav-logo,
nav#nav .nav-links a,
nav#nav .nav-burger span {
  color: var(--black) !important;
}

/* ---- Vault page header ---- */
.vault-page-header {
  padding: calc(var(--nav-h) + 64px) 40px 52px;
  text-align: center;
  background: var(--cream);
  border-bottom: 1px solid rgba(10,10,10,0.06);
}

.vault-page-header .label {
  margin-bottom: 8px;
}

.vault-page-header .section-title {
  margin-bottom: 10px;
}

.vault-page-sub {
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---- Vault full grid ---- */
.vault-page-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 3px 80px;
}

/* ---- Active nav link ---- */
.nav-active {
  opacity: 1 !important;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---- Responsive: 3 columns at 1100px ---- */
@media (max-width: 1100px) {
  .vault-page-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---- Responsive: 2 columns at 900px ---- */
@media (max-width: 900px) {
  .vault-page-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
  }
}

/* ---- Mobile ---- */
@media (max-width: 640px) {
  .vault-page-header {
    padding: calc(var(--nav-h) + 40px) 16px 36px;
  }

  .vault-page-grid {
    grid-template-columns: 1fr 1fr;
    padding: 16px 2px 60px;
    gap: 2px;
  }
}