.cb-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(15,15,17,0.96), rgba(15,15,17,0.9));
  border-bottom: 1px solid rgba(39,39,42,0.9);
  box-shadow: 0 18px 40px rgba(0,0,0,0.9);
}

.cb-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
  gap: 1.5rem;
}

.cb-header-brand {
  display: flex;
  align-items: center;
}

.cb-header-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}

.cb-header-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-accent);
  background: radial-gradient(circle at 30% 0, rgba(194,65,12,0.55), transparent 55%), #050509;
  box-shadow: 0 12px 30px rgba(0,0,0,0.85);
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.16em;
}

.cb-header-logo-text {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
}

.cb-header-logo-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.cb-header-logo-subtitle {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.cb-nav {
  margin-left: auto;
}

.cb-nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

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

.cb-nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-bottom: 0.2rem;
}

.cb-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, #c2410c, #f59e0b);
  transition: width var(--transition-base);
}

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

.cb-nav-link:hover::after,
.cb-nav-link:focus-visible::after {
  width: 100%;
}

.cb-nav-cta-item {
  margin-left: 0.5rem;
}

.cb-nav-cta {
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  border: 1px solid rgba(194,65,12,0.85);
  background: radial-gradient(circle at 0 0, rgba(194,65,12,0.25), transparent 60%), rgba(15,15,17,0.9);
  box-shadow: 0 12px 30px rgba(0,0,0,0.85);
  color: var(--color-text);
}

.cb-nav-cta::after {
  display: none;
}

.cb-nav-cta:hover,
.cb-nav-cta:focus-visible {
  background: linear-gradient(135deg, #c2410c, #ea580c);
  color: #0b0b0d;
}

.cb-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  gap: 0.45rem;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(39,39,42,0.9);
  background-color: rgba(15,15,17,0.9);
  color: var(--color-text);
}

.cb-nav-toggle-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
  width: 18px;
  height: 16px;
  gap: 5px;
}

.cb-nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #c2410c, #f97316);
  transform-origin: center;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.cb-nav-toggle-label {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.cb-nav-toggle:focus-visible {
  box-shadow: var(--shadow-outline);
}

.cb-header-menu-open .cb-nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.cb-header-menu-open .cb-nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.cb-header-menu-open .cb-nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 960px) {
  .cb-nav-toggle {
    display: inline-flex;
  }

  .cb-nav {
    position: fixed;
    inset: 0 0 auto 0;
    top: 3.8rem;
    background: radial-gradient(circle at top, rgba(4,120,87,0.18), transparent 55%), #050509;
    border-bottom: 1px solid rgba(39,39,42,0.95);
    box-shadow: 0 20px 45px rgba(0,0,0,0.95);
    transform-origin: top;
  }

  .cb-nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.1rem 1.5rem 1.3rem;
    gap: 1rem;
  }

  .cb-nav-link {
    font-size: 0.8rem;
  }

  .cb-nav[data-cb-collapsed="true"] {
    display: none;
  }
}

@media (min-width: 961px) {
  .cb-nav {
    position: static;
  }

  .cb-nav-list {
    padding: 0;
  }
}

@media (max-width: 520px) {
  .cb-header-logo-subtitle {
    display: none;
  }
}