/* Site-wide header bar. */

.header-bar {
  background: #1A140E;
  border-bottom: 1px solid var(--hairline);
  padding: 0.65rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  box-sizing: border-box;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2rem);
  height: 100%;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.5rem;
}

/* Push the nav + contact button to the right edge */
.header-content .header-buttons {
  margin-left: auto;
}

/* Empty spacer divs (legacy markup) should never take space */
.header-content > div:empty {
  display: none;
}

.header-bar h1 {
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 0;
  margin: 0;
}

.header-buttons {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.35rem;
}

.header-button,
.header-ar-button {
  background: transparent;
  color: var(--text-soft);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.3px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.header-button:hover,
.header-ar-button:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Active / current-page indicator on nav buttons */
.header-button.active,
.header-button[aria-current="page"],
.header-ar-button.active,
.header-ar-button[aria-current="page"] {
  background: var(--brand);
  color: #ffffff;
  border-color: var(--brand);
}

.header-button.active:hover,
.header-ar-button.active:hover {
  background: var(--brand-strong);
  border-color: var(--brand-strong);
  color: #ffffff;
}

/* Contact button — square, anchored to the far right edge,
   styled distinctly from the pill-shaped nav items. */
.header-contact-btn {
  margin-left: 0.75rem;
  padding: 0.55rem 1rem;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--hairline-strong);
  border-radius: 0;
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  align-self: stretch;
  display: inline-flex;
  align-items: center;
}

.header-contact-btn:hover {
  background: var(--brand);
  color: #ffffff;
  border-color: var(--brand);
}

.header-contact-btn:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .header-contact-btn {
    align-self: center;
    font-size: 0.7rem;
    padding: 0.4rem 0.8rem;
    margin-left: 0;
  }
}

.header-button:focus-visible,
.header-ar-button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .header-content {
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
  }
  .header-bar {
    height: auto;
  }
  .header-button,
  .header-ar-button {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
  }
}