/* Iron Elite — premium tactical navigation (glass, scroll morph, active spy) */

body.home-premium {
  --nav-h-base: 72px;
  --nav-h-compact: 60px;
  --nav-scroll: 0;
  --nav-h-current: calc(var(--nav-h-base) - var(--nav-scroll) * 12px);
  --nav-glass-alpha: calc(0.42 + var(--nav-scroll) * 0.38);
  --nav-blur: calc(12px + var(--nav-scroll) * 8px);
}

body.home-premium .nav--premium {
  --nav-h: var(--nav-h-current);
  height: var(--nav-h-current);
  padding-inline: clamp(18px, 4vw, 44px);
  border-bottom-color: transparent;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition:
    height 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    padding 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  isolation: isolate;
}

/* Glass backdrop layer */
body.home-premium .nav--premium .nav__glass {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(
      180deg,
      rgba(8, 10, 14, var(--nav-glass-alpha)) 0%,
      rgba(5, 6, 9, calc(var(--nav-glass-alpha) + 0.06)) 100%
    );
  backdrop-filter: blur(var(--nav-blur)) saturate(1.35);
  -webkit-backdrop-filter: blur(var(--nav-blur)) saturate(1.35);
  border-bottom: 1px solid rgba(61, 96, 136, calc(0.12 + var(--nav-scroll) * 0.22));
  box-shadow:
    0 10px 40px rgba(0, 0, 0, calc(0.15 + var(--nav-scroll) * 0.35)),
    inset 0 1px 0 rgba(255, 255, 255, calc(0.03 + var(--nav-scroll) * 0.04));
  transition:
    background 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.45s ease,
    box-shadow 0.45s ease,
    backdrop-filter 0.45s ease;
}

/* Blue edge glow — intensifies on scroll */
body.home-premium .nav--premium .nav__edge-glow {
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  z-index: -1;
  pointer-events: none;
  opacity: calc(0.35 + var(--nav-scroll) * 0.65);
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(0, 109, 255, 0.08) 15%,
    rgba(61, 120, 200, 0.55) 50%,
    rgba(0, 109, 255, 0.08) 85%,
    transparent 100%
  );
  box-shadow:
    0 0 18px rgba(0, 109, 255, calc(0.12 * var(--nav-scroll))),
    0 0 42px rgba(61, 96, 136, calc(0.18 * var(--nav-scroll)));
  transition: opacity 0.45s ease;
}

/* Suppress duplicate tactical baseline when premium edge glow is active */
body.home-premium .nav--premium::after {
  display: none;
}

/* Logo — subtle scale on compact */
body.home-premium .nav--premium .nav-logo__img:not(.site-logo) {
  height: calc(48px - var(--nav-scroll) * 6px);
  transition:
    height 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.35s ease,
    opacity 0.35s ease;
}

body.home-premium .nav--premium .site-logo {
  height: auto !important;
  transition: filter 0.35s ease, opacity 0.35s ease;
}

body.home-premium .nav--premium.is-scrolled .nav-logo__img:not(.site-logo) {
  filter: brightness(0.96);
}

body.home-premium .nav--premium.is-scrolled .site-logo {
  filter: brightness(0.96);
}

/* Nav links */
body.home-premium .nav--premium .nav-links {
  gap: clamp(18px, 2.8vw, 32px);
}

body.home-premium .nav--premium .nav-links a {
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: rgba(242, 242, 242, 0.48);
  padding: 6px 2px;
  transition:
    color 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    text-shadow 0.32s ease;
}

/* Animated underline — center-out scale */
body.home-premium .nav--premium .nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    rgba(61, 96, 136, 0.4),
    rgba(0, 109, 255, 0.95) 50%,
    rgba(61, 96, 136, 0.4)
  ) !important;
  box-shadow: 0 0 12px rgba(0, 109, 255, 0.45) !important;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
}

body.home-premium .nav--premium .nav-links a:hover,
body.home-premium .nav--premium .nav-links a:focus-visible {
  color: rgba(255, 255, 255, 0.92);
}

body.home-premium .nav--premium .nav-links a:hover::after,
body.home-premium .nav--premium .nav-links a:focus-visible::after {
  transform: scaleX(1);
}

/* Active section indicator */
body.home-premium .nav--premium .nav-links a.is-active {
  color: rgba(255, 255, 255, 0.96);
  text-shadow: 0 0 20px rgba(0, 109, 255, 0.25);
}

body.home-premium .nav--premium .nav-links a.is-active::after {
  transform: scaleX(1);
  opacity: 1;
}

body.home-premium .nav--premium .nav-links a.is-active::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -10px;
  width: 4px;
  height: 4px;
  margin-top: -2px;
  border-radius: 50%;
  background: rgba(0, 109, 255, 0.9);
  box-shadow: 0 0 8px rgba(0, 109, 255, 0.65);
  opacity: 0.85;
}

/* CTA in nav */
body.home-premium .nav--premium .nav-actions .btn--primary {
  padding: 10px 20px;
  font-size: 9.5px;
  letter-spacing: 0.16em;
  border: 1px solid rgba(255, 140, 0, 0.45);
  box-shadow:
    0 6px 22px rgba(255, 132, 0, 0.28),
    inset 0 1px 0 rgba(255, 210, 140, 0.2);
  background-color: #f28c00 !important;
  background-image: linear-gradient(165deg, #f0a038 0%, #f28c00 48%, #c9781a 100%) !important;
  color: #050505 !important;
  -webkit-text-fill-color: #050505 !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
  transition:
    transform 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.32s ease,
    border-color 0.32s ease;
}

body.home-premium .nav--premium .nav-actions .btn--primary span {
  opacity: 1 !important;
  visibility: visible !important;
  color: #050505 !important;
  -webkit-text-fill-color: #050505 !important;
  transition: none !important;
  animation: none !important;
  filter: none !important;
}

/* Header CTA — first-paint label (above loader + global .btn shimmer/reveal) */
body.is-loading.home-premium .nav--premium {
  z-index: 10001 !important;
}

body.home-premium .nav--premium .nav-actions {
  position: relative;
  z-index: 2;
  isolation: isolate;
}

body.home-premium .nav--premium .nav-actions #nav-cta-desktop,
body.is-loading.home-premium .nav--premium .nav-actions #nav-cta-desktop {
  position: relative;
  z-index: 3;
  opacity: 1 !important;
  visibility: visible !important;
  filter: none !important;
  animation: none !important;
  mix-blend-mode: normal !important;
  overflow: visible !important;
  color: #050505 !important;
  -webkit-text-fill-color: #050505 !important;
  background-color: #f28c00 !important;
  background-image: linear-gradient(165deg, #f0a038 0%, #f28c00 48%, #c9781a 100%) !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
  font-family: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  transition:
    transform 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.32s ease,
    border-color 0.32s ease !important;
}

body.home-premium .nav--premium .nav-actions #nav-cta-desktop::before,
body.home-premium .nav--premium .nav-actions #nav-cta-desktop::after {
  display: none !important;
  content: none !important;
  animation: none !important;
  opacity: 0 !important;
}

body.home-premium .nav--premium .nav-actions #nav-cta-desktop span,
body.is-loading.home-premium .nav--premium .nav-actions #nav-cta-desktop span {
  display: inline-block;
  position: relative;
  z-index: 2;
  opacity: 1 !important;
  visibility: visible !important;
  filter: none !important;
  animation: none !important;
  transition: none !important;
  transform: none !important;
  color: #050505 !important;
  -webkit-text-fill-color: #050505 !important;
  mix-blend-mode: normal !important;
  text-shadow: none;
}

body.home-premium .nav--premium.is-scrolled .nav-actions .btn--primary {
  padding: 9px 18px;
}

body.home-premium .nav--premium .nav-actions .btn--primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 10px 28px rgba(255, 132, 0, 0.38),
    0 0 16px rgba(0, 109, 255, 0.12);
}

body.home-premium .nav--premium .nav-toggle {
  border-color: rgba(61, 96, 136, 0.35);
  background: rgba(8, 10, 14, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition:
    border-color 0.3s ease,
    background 0.3s ease,
    color 0.3s ease;
}

body.home-premium .nav--premium .nav-toggle:hover {
  border-color: rgba(0, 109, 255, 0.45);
  color: rgba(255, 255, 255, 0.9);
}

/* Smooth scroll offset sync */
body.home-premium [id] {
  scroll-margin-top: calc(var(--nav-h-current, 72px) + 12px);
}

/* Drawer — tactical glass panel */
body.home-premium .nav-drawer .nav-drawer-bg {
  background: rgba(2, 3, 6, 0.72);
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
}

body.home-premium .nav-drawer .nav-panel {
  background:
    linear-gradient(165deg, rgba(10, 12, 16, 0.94) 0%, rgba(4, 5, 8, 0.98) 100%);
  border-left: 1px solid rgba(61, 96, 136, 0.28);
  box-shadow:
    -24px 0 64px rgba(0, 0, 0, 0.55),
    inset 1px 0 0 rgba(0, 109, 255, 0.12);
  backdrop-filter: blur(20px) saturate(1.25);
  -webkit-backdrop-filter: blur(20px) saturate(1.25);
}

body.home-premium .nav-drawer .nav-panel a:not(.btn) {
  position: relative;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(242, 242, 242, 0.55);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: color 0.3s ease, padding-left 0.3s ease;
}

body.home-premium .nav-drawer .nav-panel a:not(.btn)::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 2px;
  margin-top: -1px;
  background: linear-gradient(90deg, rgba(0, 109, 255, 0.9), transparent);
  box-shadow: 0 0 10px rgba(0, 109, 255, 0.4);
  transition: width 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

body.home-premium .nav-drawer .nav-panel a:not(.btn):hover,
body.home-premium .nav-drawer .nav-panel a:not(.btn).is-active {
  color: rgba(255, 255, 255, 0.95);
  padding-left: 8px;
}

body.home-premium .nav-drawer .nav-panel a:not(.btn):hover::before,
body.home-premium .nav-drawer .nav-panel a:not(.btn).is-active::before {
  width: 28px;
}

@media (max-width: 900px) {
  body.home-premium .nav--premium .nav-links {
    display: none;
  }

  body.home-premium .nav--premium .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.home-premium .nav--premium,
  body.home-premium .nav--premium .nav__glass,
  body.home-premium .nav--premium .nav-logo__img,
  body.home-premium .nav--premium .nav-links a::after {
    transition-duration: 0.01ms !important;
  }

  body.home-premium {
    --nav-scroll: 0;
  }

}