/* ─── Site header ───────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 9px;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 2rem;
  background: transparent;
  backdrop-filter: none;
  font-size: 0.85rem;
}

/* ─── Left: roles tagline ───────────────────────────────────── */
.header-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
}

.header-tagline {
  color: var(--text-muted);
  font-size: 0.72rem;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

/* ─── Center: name (absolute, truly centred in viewport) ─────── */
.header-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.header-name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
  white-space: nowrap;
  letter-spacing: 0.03em;
}

/* ─── Right: home button + social icons ─────────────────────── */
.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* ─── Home button ────────────────────────────────────────────── */
#home-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  background: rgba(35, 32, 25, 0.7);
  border: 1px solid rgba(240, 184, 76, 0.2);
  padding: 0.38rem 0.85rem 0.38rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
  backdrop-filter: blur(6px);

  /* Hidden by default, shown by JS when menu is active */
  opacity: 0;
  pointer-events: none;
  transform: translateX(6px);
  transition: opacity 0.3s ease, transform 0.3s ease,
    color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

#home-btn.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

#home-btn:hover {
  color: var(--accent);
  border-color: rgba(240, 184, 76, 0.55);
  background: rgba(35, 32, 25, 0.92);
}

/* ─── Social icons ───────────────────────────────────────────── */
.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-links a {
  color: var(--accent);
  transition: color 0.3s ease;
  display: inline-flex;
  align-items: center;
}

.social-links a:hover {
  color: var(--accent-muted);
}