/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.5rem;
  background: rgba(247,250,255,0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* ── LOGO PLACEHOLDER ── */
.logo-placeholder {
  width: 44px; height: 44px;
  border-radius: 11px;
  border: 2px dashed var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-light);
  color: var(--blue);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-align: center;
  line-height: 1.2;
  cursor: default;
}

.logo-img {
  width: 44px; height: 44px;
  border-radius: 11px;
  object-fit: contain;
}

.logo-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.nav-cta {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--white);
  background: var(--blue);
  border: none;
  border-radius: 8px;
  padding: 0.55rem 1.3rem;
  cursor: pointer;
  transition: background 0.18s, transform 0.12s;
  text-decoration: none;
}
.nav-cta:hover  { background: var(--blue-dark); transform: translateY(-1px); }
.nav-cta:active { transform: translateY(0); }