/* ================================
   Header & Navigation
   ================================
   Shared across all pages
   ================================ */

/* ================================
   Brand Logo & Text
   ================================ */

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  transition: opacity var(--motion-medium) var(--ease-standard);
}

.brand-wrap:hover {
  opacity: 0.85;
}

.brand-logo {
  width: 28px;
  height: auto;
  opacity: 0.85;
  transition: opacity var(--motion-medium) var(--ease-standard);
}

.brand-text {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
}

/* ================================
   Navigation Core
   ================================ */

.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: rgba(5, 15, 22, 0.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-inner {
  height: 72px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

/* ================================
   Navigation Links
   ================================ */

.nav-links {
  display: flex;
  justify-content: center;
  gap: 2.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--motion-medium) var(--ease-standard);
  text-decoration: none;
}

.nav-links a:hover {
  color: #ffffff;
}

/* ================================
   Navigation CTA Button
   ================================ */

.nav-cta {
  font-size: 0.8rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: all var(--motion-medium) var(--ease-standard);
  display: inline-block;
}

.nav-cta:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.4);
}

/* ================================
   Header Wrapper (for home page)
   ================================ */

.site-header {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ================================
   Responsive / Mobile
   ================================ */

@media (max-width: 768px) {
  .nav-inner {
    height: 64px;
    grid-template-columns: 1fr auto;
  }

  .nav-center {
    display: none;
  }

  .brand-logo {
    display: none;
  }

  .brand-text {
    font-size: 0.9rem;
  }

  .nav-cta {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
  }

  .nav-links {
    gap: 1.5rem;
  }

  .nav-links a {
    font-size: 0.8rem;
  }
}