:root {
  --bg-primary: var(--onyx-950, #07090f);
  --text-primary: var(--alabaster, #f3f0e7);
  --text-secondary: var(--alabaster-soft, rgba(243, 240, 231, 0.72));
  --accent-brass: var(--brass, #b89458);
}

html {
  scroll-behavior: smooth;
}

#global-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 12, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

#global-nav.nav-scrolled {
  background: rgba(7, 9, 15, 0.65);
  border-bottom: 1px solid rgba(184, 148, 88, 0.15);
}

.nav-container {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 1.35rem 5.4%;
  gap: 1rem;
  transition: all 0.3s ease;
}

#global-nav.nav-scrolled .nav-container {
  padding: 0.8rem 5.4%;
}

.nav-left {
  justify-self: start;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.nav-logo-img {
  display: block;
  width: auto;
  height: 48px;
}

.nav-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nav-center-link {
  position: relative;
  color: rgba(245, 245, 240, 0.7);
  text-decoration: none;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  transition: color 170ms ease;
}

.nav-center-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.33rem;
  width: 100%;
  height: 1px;
  background: var(--accent-brass);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 170ms ease;
}

.nav-center-link:hover,
.nav-center-link:focus-visible {
  color: var(--text-primary);
}

.nav-center-link:hover::after,
.nav-center-link:focus-visible::after {
  transform: scaleX(1);
}

.nav-right {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  justify-self: end;
}

.nav-bridge {
  color: rgba(245, 245, 240, 0.7);
  text-decoration: none;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 170ms ease, text-shadow 170ms ease;
}

.nav-bridge:hover,
.nav-bridge:focus-visible,
.nav-bridge:active {
  color: var(--accent-brass);
  text-shadow: 0 0 18px rgba(184, 148, 88, 0.12);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.62rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: var(--accent-brass);
  color: var(--bg-primary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 0.71rem;
  font-weight: 700;
  transition: transform 180ms ease, filter 180ms ease;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

body {
  padding-top: 95px;
}

#capabilities,
#ah-labs,
#vision,
#contact {
  scroll-margin-top: 108px;
}

#global-footer {
  background: rgba(10, 10, 10, 0.92);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4rem 5%;
  color: var(--text-secondary);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.1rem;
}

.footer-copy {
  margin: 0;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 180ms ease;
}

.footer-link:hover,
.footer-link:focus-visible {
  color: var(--accent-brass);
}

@media (max-width: 768px) {
  .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    gap: 0.75rem;
  }

  .nav-left {
    order: 1;
  }

  .nav-right {
    order: 2;
    margin-left: auto;
    gap: 0.65rem;
  }

  .nav-center {
    display: none !important;
  }

  .nav-bridge {
    display: none;
  }

  body {
    padding-top: 80px !important;
  }

  #capabilities,
  #ah-labs,
  #vision,
  #contact {
    scroll-margin-top: 114px;
  }

  .nav-logo-img {
    height: 40px;
  }

  .footer-container {
    flex-direction: column;
    align-items: flex-start;
  }
}