/* Header-specific layout and responsive navigation */

.site-header {
  z-index: 40;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-logo-text {
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text);
}

.site-nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1 1 auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-nav-item {
  list-style: none;
}

.site-nav-link {
  position: relative;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  padding-bottom: 4px;
}

.site-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 999px;
  transition: width var(--transition-base) var(--transition-bezier);
}

.site-nav-link:hover,
.site-nav-link[aria-current="page"] {
  color: var(--color-primary-strong);
}

.site-nav-link:hover::after,
.site-nav-link[aria-current="page"]::after {
  width: 100%;
}

.site-header-cta {
  margin-left: var(--space-3);
  flex-shrink: 0;
}

.header-cta-link {
  font-size: 0.7rem;
}

/* Mobile menu toggle */

.site-nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15, 23, 42, 0.92);
  color: var(--color-text);
  cursor: pointer;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

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

.site-nav-toggle-box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.site-nav-toggle-line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-neutral-200);
  transition: transform var(--transition-base) var(--transition-bezier),
    opacity var(--transition-base) var(--transition-bezier),
    background var(--transition-base) var(--transition-bezier);
}

.site-nav-toggle-label {
  color: var(--color-text-soft);
}

/* Mobile / small screens */

@media (max-width: 880px) {
  .site-header-inner {
    align-items: center;
  }

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

  .site-nav-wrapper {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: radial-gradient(circle at top, rgba(15, 23, 42, 0.96), #020617);
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
    transform-origin: top;
    transform: scaleY(0.98);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity var(--transition-base) var(--transition-bezier),
      transform var(--transition-base) var(--transition-bezier),
      visibility var(--transition-base) var(--transition-bezier);
  }

  .site-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-4) var(--layout-gutter) var(--space-4);
  }

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

  .site-nav-wrapper.is-open {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    transform: scaleY(1);
  }

  .site-nav-toggle.is-open .site-nav-toggle-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

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

  .site-nav-toggle.is-open .site-nav-toggle-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }
}

/* Medium+ screens */

@media (min-width: 881px) {
  .site-nav-wrapper {
    position: static;
  }
}

/* Reduce motion respect */

@media (prefers-reduced-motion: reduce) {
  .site-nav-wrapper {
    transition: none;
  }
  .site-nav-toggle-line {
    transition: none;
  }
}