/* Header-specific styles for AIR COMFORT INSTALLERS */

.site-header {
  position: relative;
  z-index: 50;
}

.site-branding {
  display: flex;
  align-items: center;
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 0, #ffffff33 0, transparent 40%),
              linear-gradient(145deg, #b18f28, #d4af37, #f4e39a);
  color: #101218;
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: var(--shadow-soft);
}

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

.brand-title {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.brand-tagline {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

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

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

/* Mobile nav toggle */

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--color-border-strong);
  background: rgba(15, 17, 25, 0.9);
  color: var(--color-text);
}

.nav-toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-normal),
              opacity var(--transition-normal),
              width var(--transition-normal);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
  width: 18px;
}

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

.nav-toggle.is-active .nav-toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
  width: 18px;
}

/* Desktop layout tweaks */

.primary-nav {
  flex: 1 1 auto;
}

.nav-links {
  justify-content: center;
}

.nav-link {
  font-size: var(--font-size-sm);
}

/* Mobile / small screens */

@media (max-width: 768px) {
  .navbar-inner {
    gap: var(--space-3);
  }

  .header-cta-wrapper {
    display: none;
  }

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

  .primary-nav {
    position: fixed;
    inset: 56px 0 auto 0;
    background: radial-gradient(circle at top, rgba(212, 175, 55, 0.12), transparent 55%),
                rgba(5, 6, 8, 0.98);
    border-bottom: 1px solid rgba(212, 175, 55, 0.18);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  }

  .primary-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .primary-nav .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-5) var(--layout-gutter) var(--space-6);
    gap: var(--space-4);
  }

  .primary-nav .nav-link {
    width: 100%;
    padding-block: 0.25rem;
    font-size: var(--font-size-base);
  }
}

/* Medium screens */

@media (min-width: 769px) and (max-width: 1024px) {
  .navbar-inner {
    gap: var(--space-3);
  }

  .nav-links {
    gap: var(--space-4);
  }

  .brand-tagline {
    display: none;
  }
}