/**
 * nav.css - Floating rounded-rect dock card.
 */

.ascenra-nav {
  position: fixed;
  top: max(1.75rem, calc(env(safe-area-inset-top, 0px) + 1.5rem));
  left: 0.75rem;
  right: 0.75rem;
  margin-inline: auto;
  z-index: 1000;
  width: min(1120px, calc(100% - 1.5rem));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 64px;
  padding: 0.45rem 0.55rem 0.45rem 0.65rem;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(8, 10, 22, 0.62));
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    0 18px 50px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  transition: min-height var(--transition-base), padding var(--transition-base),
    background var(--transition-base), box-shadow var(--transition-base);
}

.ascenra-nav--scrolled {
  min-height: 56px;
  background:
    linear-gradient(180deg, rgba(18, 20, 36, 0.88), rgba(8, 10, 22, 0.82));
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.ascenra-nav--scrolled.glass-in-view {
  backdrop-filter: blur(22px) saturate(170%);
  -webkit-backdrop-filter: blur(22px) saturate(170%);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  z-index: 2;
  min-width: 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.nav-brand__logo {
  display: block;
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 12px;
  background: #050509;
}

.nav-brand__name {
  display: none;
}

.nav-cta {
  display: none;
  align-items: center;
  gap: 0.55rem;
}

.nav-region {
  display: none;
}

.nav-links {
  display: none;
}

.nav-hamburger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  z-index: 2;
}

.nav-hamburger svg {
  width: 22px;
  height: 22px;
}

.mobile-nav-panel {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: none;
  padding: 5.5rem 1.5rem 2rem;
  background:
    linear-gradient(180deg, rgba(5, 5, 9, 0.72), rgba(10, 10, 16, 0.88));
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
}

.mobile-nav-panel.is-open {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-panel__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
}

.mobile-nav-panel .nav-links,
.mobile-nav-panel .menu {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.mobile-nav-panel a {
  display: flex;
  align-items: center;
  min-height: 48px;
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

body.nav-open {
  overflow: hidden;
}

@media (min-width: 768px) and (max-width: 1099px) {
  .nav-cta .ascenra-btn--secondary {
    display: none;
  }
}

@media (min-width: 768px) {
  .ascenra-nav {
    top: max(2.15rem, calc(env(safe-area-inset-top, 0px) + 1.75rem));
  }

  .nav-hamburger {
    display: none;
  }

  .nav-links,
  .nav-cta,
  .nav-region {
    display: flex;
    align-items: center;
  }

  .nav-links {
    flex: 1;
    justify-content: center;
  }

  .nav-links .menu {
    display: flex;
    gap: 1.5rem;
  }

  .nav-links a {
    font-size: 0.86rem;
    letter-spacing: 0.01em;
    text-transform: none;
    color: rgba(255, 255, 255, 0.72);
    transition: color var(--transition-fast);
  }

  .nav-links a:hover,
  .nav-links .current-menu-item a {
    color: var(--color-text);
  }

  .nav-region {
    font-size: 0.62rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-cyan);
    border-color: rgba(25, 217, 255, 0.45);
    padding: 0.28rem 0.65rem;
  }
}