/* =========================================================
   Layout — Nav + Footer
   ========================================================= */

.px-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: height var(--dur-med) var(--ease-out), background var(--dur-med) ease, border-color var(--dur-med) ease, backdrop-filter var(--dur-med) ease;
  border-bottom: 1px solid transparent;
}

.px-nav.is-scrolled {
  height: 64px;
  background: rgba(5, 7, 13, 0.72);
  border-bottom-color: var(--border-hair);
  backdrop-filter: blur(22px) saturate(1.2);
  -webkit-backdrop-filter: blur(22px) saturate(1.2);
}

.px-nav-inner {
  width: min(var(--max), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.px-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.px-brand-logo {
  height: 36px;
  width: auto;
  filter: drop-shadow(0 4px 12px rgba(232, 197, 71, 0.25));
  transition: transform var(--dur-fast) var(--ease-spring);
}

.px-brand:hover .px-brand-logo {
  transform: scale(1.05) rotate(-2deg);
}

.px-brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.px-brand-text strong {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.px-brand-text span {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.px-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.px-nav-links a {
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--dur-fast) ease, background var(--dur-fast) ease;
}

.px-nav-links a:hover {
  color: var(--text-primary);
  background: var(--hover-surface);
}

.px-nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.px-nav .px-btn {
  min-height: 42px;
  padding: 0 18px;
  font-size: 0.88rem;
}

.px-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border-hair);
  background: var(--bg-glass);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
}

.px-nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text-primary);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.px-nav.is-open .px-nav-toggle span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.px-nav.is-open .px-nav-toggle span:nth-child(2) { opacity: 0; }
.px-nav.is-open .px-nav-toggle span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Footer */
.px-footer {
  position: relative;
  padding: 72px 0 32px;
  border-top: 1px solid var(--border-hair);
  background:
    linear-gradient(180deg, transparent, rgba(232, 197, 71, 0.03)),
    var(--bg-deep);
}

.px-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.px-footer-brand p {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 28ch;
  line-height: 1.55;
}

.px-footer h4 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.px-footer-col a {
  display: block;
  padding: 6px 0;
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color var(--dur-fast) ease, transform var(--dur-fast) ease;
}

.px-footer-col a:hover {
  color: var(--brand-gold-hi);
  transform: translateX(3px);
}

.px-footer-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-hair);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.px-footer-bar a {
  color: var(--text-secondary);
}

.px-footer-bar a:hover {
  color: var(--brand-gold);
}

@media (max-width: 960px) {
  .px-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 899px) {
  .px-nav-toggle { display: flex; }

  .px-nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    background: rgba(5, 7, 13, 0.94);
    border-bottom: 1px solid var(--border-hair);
    backdrop-filter: blur(20px);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--dur-med) var(--ease-out), opacity var(--dur-med) ease;
  }

  .px-nav.is-open .px-nav-links {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .px-nav-links a {
    padding: 14px 16px;
    font-size: 1rem;
  }

  .px-brand-text { display: none; }
}

@media (max-width: 560px) {
  .px-footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .px-nav-right .px-pill { display: none; }
}