/* Header-specific styling for Fresh Air Installers */

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

.site-header__inner {
  min-height: 64px;
}

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

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.site-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 0, rgba(224, 177, 90, 0.5), rgba(5, 5, 12, 0.95));
  box-shadow: var(--shadow-soft-gold);
}

.site-header__logo-icon {
  color: #151315;
  background: linear-gradient(135deg, #f5e6c8, #e0b15a 55%, #c58b34 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 1.1rem;
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
}

.site-header__brand-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

/* Nav */
.site-header__nav {
  display: flex;
  align-items: center;
}

.site-header__nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
}

.site-header__nav-item--cta .button {
  padding-inline: 1.4rem;
}

/* Mobile nav toggle */
.site-header__nav-toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(7, 7, 14, 0.9);
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.site-header__nav-toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: #f5f5f7;
  transition: transform var(--transition-fast), opacity var(--transition-fast), top var(--transition-fast), bottom var(--transition-fast);
  position: absolute;
}

.site-header__nav-toggle-bar:nth-child(1) {
  top: 13px;
}

.site-header__nav-toggle-bar:nth-child(2) {
  top: 19px;
}

.site-header__nav-toggle-bar:nth-child(3) {
  bottom: 13px;
}

.site-header__nav-toggle[aria-expanded="true"] .site-header__nav-toggle-bar:nth-child(1) {
  top: 19px;
  transform: rotate(45deg);
}

.site-header__nav-toggle[aria-expanded="true"] .site-header__nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header__nav-toggle[aria-expanded="true"] .site-header__nav-toggle-bar:nth-child(3) {
  bottom: 19px;
  transform: rotate(-45deg);
}

/* Responsive behavior */
@media (max-width: 1040px) {
  .site-header__nav-toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 56px;
    background: radial-gradient(circle at top, rgba(20, 20, 40, 0.92), rgba(5, 5, 12, 0.98));
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4);
    gap: var(--space-3);
  }

  .site-header__nav-item--cta {
    width: 100%;
  }

  .site-header__nav-item--cta .button {
    width: 100%;
    justify-content: center;
  }

  .site-header__nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 480px) {
  .site-header__brand-tagline {
    display: none;
  }
}

@media (min-width: 769px) {
  .site-header__nav-toggle {
    display: none;
  }

  .site-header__nav {
    position: static;
    transform: none !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    background: transparent;
    border-bottom: none;
  }
}