* { box-sizing: border-box; }
a { color: inherit; text-decoration: none; }

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,0.92);
  border-bottom: 1px solid rgba(226,232,240,0.6);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px clamp(24px, 6vw, 80px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  font-size: 22px;
  color: var(--text);
}
.brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}
.btn:hover {
  filter: brightness(1.07);
  transform: translateY(-1px);
}

.footer {
  border-top: 1px solid var(--border);
  padding: 24px clamp(24px, 7vw, 96px);
  background: var(--bg);
  color: var(--muted);
  font-size: 0.9rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-links {
  display: inline-flex;
  gap: 18px;
  font-weight: 600;
  flex-wrap: wrap;
}
.footer-links a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}
.footer-links a:hover {
  color: var(--text);
}