/* ── GaaS Docs — Shared header/footer chrome ────────────────────────── */
/* Linked by all interior pages. index.html carries its own inline styles. */

header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid #1e2533;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 14, 23, 0.7);
  backdrop-filter: blur(12px);
}

header .logo { text-decoration: none; }

.logo-img {
  height: 120px;
  filter: drop-shadow(0 0 15px rgba(0, 212, 170, 0.15));
  display: block;
}

header nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

header nav a {
  color: #8b949e;
  text-decoration: none;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  font-size: 0.875rem;
  transition: color 0.15s, background 0.15s;
}

header nav a:hover {
  color: #e6edf3;
  background: #1e2533;
}

header nav .nav-cta {
  background: #00d4aa;
  color: #050810 !important;
  font-weight: 600;
  margin-left: 0.5rem;
  border-radius: 6px;
  padding: 0.4rem 0.85rem;
}

header nav .nav-cta:hover { background: #00e6b8; }

/* ── Footer ───────────────────────────────────────────────────────────── */

footer {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem;
  border-top: 1px solid #1e2533;
  font-size: 0.8rem;
  color: #484f58;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

footer a {
  color: #484f58;
  text-decoration: none;
}

footer a:hover { color: #8b949e; }

.cert-seal {
  display: inline-flex;
  align-items: center;
  opacity: 0.85;
  transition: opacity 0.15s, filter 0.15s;
  text-decoration: none;
}

.cert-seal:hover {
  opacity: 1;
  filter: drop-shadow(0 0 8px rgba(0, 212, 170, 0.3));
}

/* ── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 600px) {
  header { padding: 1rem 1.25rem; }
  footer { flex-direction: column; text-align: center; }
  .logo-img { height: 80px; }
}