/* ===========================================================
   Genius Creative — site chrome
   Sticky header, navigation (desktop dropdown + mobile menu),
   and footer. The persistent frame around every page.
   =========================================================== */

header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
}

/* background+blur lives on a pseudo-element, not header.site itself, so
   header.site never becomes a containing block for its fixed-position
   mobile nav-links (a `filter`/`backdrop-filter` on an ancestor breaks
   position:fixed by making it relative to that ancestor instead of the
   viewport) */
header.site::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(11, 10, 16, 0.82);
  backdrop-filter: blur(10px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  max-width: var(--maxw);
  margin: 0 auto;
}

.brand {
  font-family: var(--serif);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}
.brand span { color: var(--gold); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
}

.nav-links a { color: var(--text-dim); transition: color 0.2s ease; position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }

.has-dropdown { position: relative; }
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 18px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  min-width: 200px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all 0.2s ease;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown a { display: block; padding: 10px 20px; color: var(--text-dim); }
.dropdown a:hover,
.dropdown a:focus-visible { color: var(--gold); background: rgba(255,255,255,0.03); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    inset: 72px 0 0 0;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 12px 32px 32px;
    transform: translateY(-110%);
    transition: transform 0.3s ease;
    border-top: 1px solid var(--line);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { width: 100%; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .has-dropdown .dropdown {
    position: static; opacity: 1; visibility: visible; transform: none;
    background: none; border: none; margin: 0; padding: 0 0 0 16px; display: none;
  }
  .has-dropdown.open .dropdown { display: block; }
  .nav-toggle { display: block; }
}

/* ---------- Footer ---------- */

footer.site {
  border-top: 1px solid var(--line);
  padding: 56px 0 32px;
  background: var(--bg-alt);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1em;
}
.footer-grid a, .footer-grid p { display: block; color: var(--text-dim); font-size: 0.9rem; margin-bottom: 0.6em; }
.footer-grid a:hover { color: var(--text); }
.foot-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.78rem; color: var(--text-dim); padding-top: 24px; border-top: 1px solid var(--line);
}