/* ============================================================
   NAV — sticky sidebar
   ============================================================ */

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: var(--sp-4) var(--sp-3);
  border-right: 1px solid var(--c-border);
  background-color: var(--c-bg);
  z-index: 10;
  gap: var(--sp-4);
}

.sidebar-brand {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sidebar-name {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.sidebar-role {
  font-size: var(--fs-sm);
  color: var(--c-ink-muted);
  font-weight: 300;
}

.sidebar-divider {
  width: 32px;
  height: 1px;
  background: var(--c-border);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  flex: 1;
}

.nav-link {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 400;
  color: var(--c-ink-muted);
  padding: 0.5rem 0.75rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  letter-spacing: 0.01em;
}

.sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.sidebar-contact-label {
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--c-ink-muted);
  margin-bottom: 0.25rem;
}

.sidebar-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-sm);
  color: var(--c-ink-muted);
  font-weight: 400;
  transition: color var(--transition);
  padding: 0.2rem 0;
}

.sidebar-link:hover {
  color: var(--c-accent);
}

.sidebar-link svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ── Mobile nav ── */
.mobile-nav {
  display: none;
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-border);
  padding: 1rem var(--sp-3);
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-name {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.mobile-nav-links {
  display: flex;
  gap: var(--sp-2);
}

.mobile-nav-links a {
  font-size: var(--fs-sm);
  color: var(--c-ink-muted);
  font-weight: 500;
  transition: color var(--transition);
}

.mobile-nav-links a:hover {
  color: var(--c-accent);
}

@media (max-width: 768px) {
  .sidebar { display: none; }
  .mobile-nav { display: flex; }
}

/* ── Ambient sidebar glow orb ── */
.sidebar::before {
  content: '';
  position: fixed;
  top: -80px;
  left: -120px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle at center, rgba(37,99,235,0.09) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  animation: orb-breathe 8s ease-in-out infinite;
}

.sidebar-brand,
.sidebar-nav,
.sidebar-footer {
  position: relative;
  z-index: 1;
}