/* ═══════════════════════════════════════════════════════════════
   GPC Navbar Supreme — "Airflow Nexus"
   Galaxy Pollution Control · Industrial navigation system
   ═══════════════════════════════════════════════════════════════ */

.gpc-nav {
  --gpc-nav-accent: #00c4e8;
  --gpc-nav-accent-2: #5eead4;
  --gpc-nav-accent-deep: #0099b8;
  --gpc-nav-dark: #060e1e;
  --gpc-nav-panel: #0a1628;
  --gpc-nav-glass: rgba(6, 14, 30, 0.88);
  --gpc-nav-text: #e2e8f0;
  --gpc-nav-muted: #94a3b8;
  --gpc-nav-border: rgba(0, 196, 232, 0.18);
  --gpc-nav-glow: rgba(0, 196, 232, 0.35);
  --gpc-nav-h-utility: 38px;
  --gpc-nav-h-main: 110px;
  --gpc-nav-logo-gap: 10px;
  --gpc-nav-total: calc(var(--gpc-nav-h-utility) + var(--gpc-nav-h-main));
  position: sticky;
  top: 0;
  z-index: 1040;
  font-family: inherit;
  min-height: 0;
}

.gpc-nav.site-header {
  position: sticky;
  min-height: 0;
}

.gpc-nav.is-scrolled {
  --gpc-nav-h-utility: 0px;
  --gpc-nav-h-main: 88px;
  --gpc-nav-logo-gap: 8px;
}

/* ── Utility strip ── */
.gpc-nav-utility {
  height: var(--gpc-nav-h-utility);
  overflow: hidden;
  background: linear-gradient(90deg, #040a14 0%, #0a1628 50%, #040a14 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.gpc-nav-utility-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 32px);
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 12px;
}

.gpc-nav-utility-left,
.gpc-nav-utility-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.gpc-nav-utility a {
  color: var(--gpc-nav-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.gpc-nav-utility a:hover {
  color: var(--gpc-nav-accent);
}

.gpc-nav-utility-phone {
  color: #fff !important;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.gpc-nav-utility-phone i {
  color: var(--gpc-nav-accent);
  animation: gpc-nav-pulse 2.5s ease-in-out infinite;
}

.gpc-nav-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(0, 196, 232, 0.12);
  border: 1px solid rgba(0, 196, 232, 0.3);
  color: var(--gpc-nav-accent);
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.gpc-nav-badge i {
  font-size: 9px;
}

/* ── Main bar ── */
.gpc-nav-main {
  position: relative;
  height: var(--gpc-nav-h-main);
  background: var(--gpc-nav-glass);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--gpc-nav-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  transition: height 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}

.gpc-nav.is-scrolled .gpc-nav-main {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 196, 232, 0.08);
}

.gpc-nav-airflow {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}

.gpc-nav-airflow::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--gpc-nav-accent) 25%,
    var(--gpc-nav-accent-2) 50%,
    var(--gpc-nav-accent) 75%,
    transparent 100%
  );
  opacity: 0.7;
  animation: gpc-nav-flow 4s linear infinite;
}

.gpc-nav-airflow-particles {
  position: absolute;
  inset: -20px 0 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(0, 196, 232, 0.15) 0%, transparent 8px),
    radial-gradient(circle at 60% 50%, rgba(94, 234, 212, 0.1) 0%, transparent 6px),
    radial-gradient(circle at 85% 50%, rgba(0, 196, 232, 0.12) 0%, transparent 7px);
  animation: gpc-nav-drift 8s ease-in-out infinite alternate;
  pointer-events: none;
}

.gpc-nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--gpc-nav-logo-gap) clamp(16px, 3vw, 32px);
  height: 100%;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
}

/* ── Brand ── */
.gpc-nav-brand {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  position: relative;
  text-decoration: none;
  margin-right: auto;
}

.gpc-nav-brand-glow {
  position: absolute;
  inset: -8px -12px;
  background: radial-gradient(ellipse at center, rgba(0, 196, 232, 0.2), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.gpc-nav-brand:hover .gpc-nav-brand-glow {
  opacity: 1;
}

.gpc-nav-logo {
  height: auto;
  max-height: calc(var(--gpc-nav-h-main) - (var(--gpc-nav-logo-gap) * 2));
  width: auto;
  max-width: min(440px, 50vw);
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(0, 196, 232, 0.15));
  transition: filter 0.3s ease, transform 0.3s ease, max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.gpc-nav-brand:hover .gpc-nav-logo {
  filter: drop-shadow(0 4px 16px rgba(0, 196, 232, 0.35));
  transform: scale(1.02);
}

/* ── Desktop nav links ── */
.gpc-nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.gpc-nav-item {
  position: relative;
}

.gpc-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 12px;
  color: var(--gpc-nav-text);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: 8px;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.gpc-nav-link::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(0, 196, 232, 0.12), rgba(94, 234, 212, 0.06));
  opacity: 0;
  transition: opacity 0.25s ease;
}

.gpc-nav-link:hover,
.gpc-nav-item.is-open > .gpc-nav-link,
.gpc-nav-link.is-active {
  color: #fff;
}

.gpc-nav-link:hover::before,
.gpc-nav-item.is-open > .gpc-nav-link::before,
.gpc-nav-link.is-active::before {
  opacity: 1;
}

.gpc-nav-link-text {
  position: relative;
  z-index: 1;
}

.gpc-nav-chevron {
  width: 10px;
  height: 10px;
  opacity: 0.5;
  transition: transform 0.25s ease, opacity 0.25s ease;
  position: relative;
  z-index: 1;
}

.gpc-nav-item.is-open .gpc-nav-chevron,
.gpc-nav-item--dropdown:hover .gpc-nav-chevron {
  transform: rotate(180deg);
  opacity: 1;
}

.gpc-nav-item--flat .gpc-nav-chevron {
  display: none;
}

/* ── CTA button ── */
.gpc-nav-cta-wrap {
  margin-left: 8px;
  flex-shrink: 0;
}

.gpc-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--gpc-nav-accent) 0%, var(--gpc-nav-accent-deep) 100%);
  color: #fff !important;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  border-radius: 100px;
  box-shadow: 0 4px 20px rgba(0, 196, 232, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: transform 0.25s cubic-bezier(0.34, 1.4, 0.64, 1), box-shadow 0.25s ease;
  white-space: nowrap;
}

.gpc-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 196, 232, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  color: #fff !important;
}

.gpc-nav-cta i {
  font-size: 11px;
  transition: transform 0.25s ease;
}

.gpc-nav-cta:hover i {
  transform: translateX(3px);
}

/* ── Mega menu panels ── */
.gpc-nav-mega {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 320px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s ease, transform 0.28s cubic-bezier(0.34, 1.2, 0.64, 1), visibility 0.28s;
  z-index: 1050;
}

.gpc-nav-item--dropdown.is-open .gpc-nav-mega,
.gpc-nav-item--dropdown:hover .gpc-nav-mega {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* Edge alignment for first/last mega panels */
.gpc-nav-menu > .gpc-nav-item--dropdown:first-child .gpc-nav-mega,
.gpc-nav-menu > .gpc-nav-item--dropdown:nth-child(2) .gpc-nav-mega {
  left: 0;
  transform: translateX(0) translateY(8px);
}

.gpc-nav-menu > .gpc-nav-item--dropdown:first-child.is-open .gpc-nav-mega,
.gpc-nav-menu > .gpc-nav-item--dropdown:first-child:hover .gpc-nav-mega,
.gpc-nav-menu > .gpc-nav-item--dropdown:nth-child(2).is-open .gpc-nav-mega,
.gpc-nav-menu > .gpc-nav-item--dropdown:nth-child(2):hover .gpc-nav-mega {
  transform: translateX(0) translateY(0);
}

.gpc-nav-menu > .gpc-nav-item--dropdown:last-child .gpc-nav-mega,
.gpc-nav-menu > .gpc-nav-item--dropdown:nth-last-child(2) .gpc-nav-mega {
  left: auto;
  right: 0;
  transform: translateX(0) translateY(8px);
}

.gpc-nav-menu > .gpc-nav-item--dropdown:last-child.is-open .gpc-nav-mega,
.gpc-nav-menu > .gpc-nav-item--dropdown:last-child:hover .gpc-nav-mega,
.gpc-nav-menu > .gpc-nav-item--dropdown:nth-last-child(2).is-open .gpc-nav-mega,
.gpc-nav-menu > .gpc-nav-item--dropdown:nth-last-child(2):hover .gpc-nav-mega {
  transform: translateX(0) translateY(0);
}

.gpc-nav-mega-panel {
  position: relative;
  background: linear-gradient(165deg, #0d1a2e 0%, #060e1e 100%);
  border: 1px solid rgba(0, 196, 232, 0.22);
  border-radius: 16px;
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.gpc-nav-mega-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gpc-nav-accent), var(--gpc-nav-accent-2), var(--gpc-nav-accent));
}

.gpc-nav-mega-head {
  padding: 16px 20px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 12px;
}

.gpc-nav-mega-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--gpc-nav-accent);
  background: rgba(0, 196, 232, 0.12);
  border: 1px solid rgba(0, 196, 232, 0.25);
  flex-shrink: 0;
}

.gpc-nav-mega-title {
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  margin: 0;
  letter-spacing: -0.01em;
}

.gpc-nav-mega-sub {
  font-size: 11px;
  color: var(--gpc-nav-muted);
  margin: 2px 0 0;
}

.gpc-nav-mega-grid {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.gpc-nav-mega-link {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.gpc-nav-mega-link:hover {
  background: rgba(0, 196, 232, 0.1);
  transform: translateX(4px);
}

.gpc-nav-mega-link-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--gpc-nav-accent);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.gpc-nav-mega-link:hover .gpc-nav-mega-link-icon {
  background: rgba(0, 196, 232, 0.15);
  border-color: rgba(0, 196, 232, 0.3);
}

.gpc-nav-mega-link-text strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #f1f5f9;
  line-height: 1.3;
}

.gpc-nav-mega-link-text span {
  display: block;
  font-size: 11px;
  color: var(--gpc-nav-muted);
  margin-top: 2px;
  line-height: 1.35;
}

.gpc-nav-mega-foot {
  padding: 10px 16px 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.gpc-nav-mega-hub {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 700;
  color: var(--gpc-nav-accent);
  text-decoration: none;
  border-radius: 8px;
  background: rgba(0, 196, 232, 0.08);
  border: 1px solid rgba(0, 196, 232, 0.2);
  transition: background 0.2s ease, color 0.2s ease;
}

.gpc-nav-mega-hub:hover {
  background: rgba(0, 196, 232, 0.18);
  color: #fff;
}

/* Wide mega for large categories */
.gpc-nav-mega--wide {
  min-width: 420px;
}

.gpc-nav-mega--wide .gpc-nav-mega-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

/* ── Toggle (mobile) ── */
.gpc-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
  flex-shrink: 0;
}

.gpc-nav-toggle:hover {
  background: rgba(0, 196, 232, 0.1);
  border-color: rgba(0, 196, 232, 0.3);
}

.gpc-nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.gpc-nav.is-drawer-open .gpc-nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.gpc-nav.is-drawer-open .gpc-nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.gpc-nav.is-drawer-open .gpc-nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile drawer ── */
.gpc-nav-drawer-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1039;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.gpc-nav.is-drawer-open .gpc-nav-drawer-backdrop {
  opacity: 1;
}

.gpc-nav-drawer {
  display: none;
}

/* ── Animations ── */
@keyframes gpc-nav-flow {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes gpc-nav-drift {
  0% { transform: translateX(-5%); opacity: 0.6; }
  100% { transform: translateX(5%); opacity: 1; }
}

@keyframes gpc-nav-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ── Responsive ── */
@media (max-width: 1199.98px) {
  .gpc-nav-link {
    padding: 8px 9px;
    font-size: 12px;
  }
}

@media (max-width: 991.98px) {
  .gpc-nav {
    --gpc-nav-h-utility: 0px;
    --gpc-nav-h-main: 84px;
    --gpc-nav-logo-gap: 8px;
  }

  .gpc-nav-utility {
    display: none;
  }

  .gpc-nav-toggle {
    display: flex;
  }

  .gpc-nav-menu-wrap {
    display: none;
  }

  .gpc-nav-cta-wrap {
    display: none;
  }

  .gpc-nav-drawer-backdrop {
    display: block;
    pointer-events: none;
  }

  .gpc-nav.is-drawer-open .gpc-nav-drawer-backdrop {
    pointer-events: auto;
  }

  .gpc-nav-drawer {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    width: min(380px, 92vw);
    height: 100vh;
    height: 100dvh;
    background: linear-gradient(180deg, #0a1628 0%, #060e1e 100%);
    border-left: 1px solid rgba(0, 196, 232, 0.2);
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
    z-index: 1041;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
  }

  .gpc-nav.is-drawer-open .gpc-nav-drawer {
    transform: translateX(0);
  }

  .gpc-nav-drawer-head {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .gpc-nav-drawer-head img {
    height: 40px;
    width: auto;
  }

  .gpc-nav-drawer-close {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
  }

  .gpc-nav-drawer-close:hover {
    background: rgba(0, 196, 232, 0.15);
  }

  .gpc-nav-drawer-body {
    padding: 16px 20px 32px;
    flex: 1;
  }

  .gpc-nav-drawer-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    margin-bottom: 16px;
    background: rgba(0, 196, 232, 0.1);
    border: 1px solid rgba(0, 196, 232, 0.25);
    border-radius: 12px;
    text-decoration: none;
    color: #fff;
    font-weight: 700;
    font-size: 15px;
  }

  .gpc-nav-drawer-phone i {
    color: var(--gpc-nav-accent);
    font-size: 18px;
  }

  .gpc-nav-drawer-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .gpc-nav-drawer-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .gpc-nav-drawer-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 14px 4px;
    color: #f1f5f9;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
  }

  .gpc-nav-drawer-link:hover {
    color: var(--gpc-nav-accent);
  }

  .gpc-nav-drawer-link i.fa-chevron-down {
    font-size: 11px;
    opacity: 0.5;
    transition: transform 0.25s ease;
  }

  .gpc-nav-drawer-item.is-expanded .gpc-nav-drawer-link i.fa-chevron-down {
    transform: rotate(180deg);
  }

  .gpc-nav-drawer-sub {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    padding-left: 8px;
  }

  .gpc-nav-drawer-item.is-expanded .gpc-nav-drawer-sub {
    max-height: 600px;
  }

  .gpc-nav-drawer-sub a {
    display: block;
    padding: 10px 8px;
    color: var(--gpc-nav-muted);
    font-size: 13px;
    text-decoration: none;
    border-left: 2px solid rgba(0, 196, 232, 0.2);
    margin-left: 4px;
    padding-left: 14px;
    transition: color 0.2s ease, border-color 0.2s ease;
  }

  .gpc-nav-drawer-sub a:hover {
    color: var(--gpc-nav-accent);
    border-left-color: var(--gpc-nav-accent);
  }

  .gpc-nav-drawer-cta {
    display: block;
    margin-top: 24px;
    padding: 16px;
    text-align: center;
    background: linear-gradient(135deg, var(--gpc-nav-accent), var(--gpc-nav-accent-deep));
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    text-decoration: none;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 196, 232, 0.3);
  }

  /* Hide desktop mega on mobile */
  .gpc-nav-mega {
    display: none !important;
  }
}

@media (max-width: 575.98px) {
  .gpc-nav {
    --gpc-nav-h-main: 76px;
    --gpc-nav-logo-gap: 8px;
  }

  .gpc-nav-logo {
    max-width: min(260px, 60vw);
  }
}

/* Dock sticky offset when supreme nav is present */
.gpc-dock--sticky {
  top: var(--gpc-nav-total) !important;
}

.gpc-nav.is-scrolled ~ .gpc-dock--sticky,
body:has(.gpc-nav.is-scrolled) .gpc-dock--sticky {
  top: var(--gpc-nav-h-main) !important;
}

/* Legacy navbar safeguard (should not appear after supreme deploy) */
.navbar-galaxy:not(.gpc-nav) { display: none !important; }