.header-shell {
  position: sticky;
  top: 0;
  z-index: 50;
}

.navbar-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

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

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-neutral-50);
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(201, 162, 71, 0.75);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 0, #e6bd52, #0f1713 68%);
  box-shadow: var(--shadow-soft);
}

.brand-chip {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle, #f6f2e8 0, #c9a247 45%, #5a3d1a 100%);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand-tagline {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

.navbar-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-item {
  position: relative;
}

.navbar-link {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.navbar-cta {
  display: flex;
  align-items: center;
}

.header-cta {
  font-size: var(--font-size-xs);
  padding-inline: 1.4rem;
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  cursor: pointer;
}

.nav-toggle-box {
  width: 34px;
  height: 28px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.nav-toggle-line {
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #b58a35, #e6bd52);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.nav-toggle-text {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

/* Mobile panel */
.mobile-nav-panel {
  position: fixed;
  inset-inline: 0;
  top: 64px;
  background: rgba(6, 8, 9, 0.98);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.85);
}

.mobile-nav {
  padding: var(--space-4) var(--space-4) var(--space-6);
}

.mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav-link {
  display: block;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: rgba(15, 23, 18, 0.7);
}

.mobile-nav-link:hover {
  background: rgba(201, 162, 71, 0.12);
}

.mobile-nav-item-accent {
  margin-top: var(--space-3);
}

.mobile-nav-cta {
  width: 100%;
  justify-content: center;
}

/* Open state */
.header-shell.is-nav-open .nav-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header-shell.is-nav-open .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.header-shell.is-nav-open .nav-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.header-shell.is-nav-open .mobile-nav-panel {
  display: block;
}

/* Desktop vs mobile */
@media (max-width: 900px) {
  .navbar-shell {
    gap: var(--space-3);
  }

  .navbar-nav {
    display: none;
  }

  .navbar-cta {
    display: none;
  }

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

@media (max-width: 520px) {
  .brand-tagline {
    display: none;
  }
}

@media (min-width: 901px) {
  .mobile-nav-panel {
    display: none !important;
  }

  .header-shell.is-nav-open .mobile-nav-panel {
    display: none !important;
  }
}