/* Header-specific styles for Vantage Leaf */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.site-logo__glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: 0.9rem;
  color: #03150c;
}

.site-logo__text {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.site-logo__title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-logo__subtitle {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.site-nav {
  align-items: center;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.site-nav__item a {
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav__item--cta a {
  text-decoration: none;
}

/* Mobile menu toggle */
.site-header__menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  background: rgba(0, 0, 0, 0.45);
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-normal) var(--transition-bezier-soft),
              box-shadow var(--transition-normal) var(--transition-bezier-soft),
              transform var(--transition-fast) var(--transition-bezier-soft);
}

.site-header__menu-toggle:hover {
  background: rgba(8, 31, 22, 0.9);
  box-shadow: var(--shadow-glow-primary);
  transform: translateY(-1px);
}

.site-header__menu-toggle:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 3px;
}

.site-header__menu-toggle-label {
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-header__menu-toggle-icon {
  position: relative;
  width: 18px;
  height: 14px;
}

.site-header__menu-toggle-icon::before,
.site-header__menu-toggle-icon::after,
.site-header__menu-toggle-icon span {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: transform var(--transition-normal) var(--transition-bezier-soft),
              opacity var(--transition-fast) ease-out,
              top var(--transition-normal) var(--transition-bezier-soft),
              bottom var(--transition-normal) var(--transition-bezier-soft);
}

.site-header__menu-toggle-icon::before {
  top: 0;
}

.site-header__menu-toggle-icon::after {
  bottom: 0;
}

/* Middle bar */
.site-header__menu-toggle-icon::marker {
  content: none;
}

/* We emulate the middle bar via box-shadow trick using ::after on label container when JS adds class */

/* Responsive behaviour */
@media (max-width: 767px) {
  .site-nav {
    position: fixed;
    inset-inline: 0;
    top: var(--nav-height);
    background: rgba(5, 10, 11, 0.98);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--color-border-subtle);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-normal) var(--transition-bezier-soft),
                opacity var(--transition-normal) var(--transition-bezier-soft);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6) var(--page-padding-x) var(--space-8);
    gap: var(--space-4);
  }

  .site-nav__item--cta {
    width: 100%;
  }

  .site-nav__item--cta .btn {
    width: 100%;
    justify-content: center;
  }

  .site-header__menu-toggle-icon span {
    display: none;
  }
}

@media (min-width: 768px) {
  .site-header__menu-toggle {
    display: none;
  }
}

/* Mobile menu open state */
.site-header--menu-open #primary-navigation {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.site-header--menu-open .site-header__menu-toggle-icon::before {
  top: 6px;
  transform: rotate(45deg);
}

.site-header--menu-open .site-header__menu-toggle-icon::after {
  bottom: 6px;
  transform: rotate(-45deg);
}

.site-header--menu-open .site-header__menu-toggle {
  box-shadow: var(--shadow-glow-primary);
}

/* Focus styles inside nav */
.site-nav a:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 3px;
}