.ipx-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--ipx-border);
  background: rgba(247, 247, 244, 0.9);
  backdrop-filter: blur(12px);
}

@supports (backdrop-filter: blur(12px)) {
  .ipx-header {
    background: rgba(247, 247, 244, 0.75);
  }
}

.ipx-header__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  max-width: var(--ipx-container);
  margin: 0 auto;
  padding: 1rem var(--ipx-gutter);
}

.ipx-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
  cursor: pointer;
  text-decoration: none;
}

.ipx-logo img {
  height: 40px;
  width: auto;
  max-width: none;
  object-fit: contain;
}

.ipx-logo__wordmark {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ipx-text);
  white-space: nowrap;
}

.ipx-logo__wordmark span {
  font-weight: 700;
  margin-left: 0.12em;
}

.ipx-logo--header {
  height: 48px;
}

.ipx-logo--header img {
  height: 40px;
}

.ipx-logo--footer img {
  height: 44px;
}

.ipx-nav {
  display: none;
  flex-wrap: wrap;
  gap: 0.25rem 1.75rem;
  font-size: 13px;
}

.ipx-nav a {
  color: var(--ipx-text-body);
  transition: color 0.2s ease;
}

.ipx-nav a:hover {
  color: var(--ipx-text);
}

.ipx-nav a.is-active {
  color: var(--ipx-text);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
  text-decoration-color: var(--ipx-accent);
}

.ipx-header__tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.ipx-header-cta {
  display: none;
}

.ipx-segment {
  display: inline-flex;
  height: 1.75rem;
  overflow: hidden;
  border: 1px solid var(--ipx-border);
  border-radius: var(--ipx-radius-md);
  background: var(--ipx-surface);
  font-size: 10px;
  line-height: 1;
}

.ipx-segment:hover {
  border-color: var(--ipx-text);
}

.ipx-segment button,
.ipx-segment a {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  height: 100%;
  padding: 0 0.5rem;
  border: 0;
  background: var(--ipx-surface);
  color: var(--ipx-text-body);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
}

.ipx-segment button.is-active,
.ipx-segment a.is-active {
  background: var(--ipx-text);
  color: #fff;
}

.ipx-hex {
  width: 6px;
  height: 6px;
  color: #9ca0a2;
}

.ipx-segment button.is-active .ipx-hex {
  color: var(--ipx-accent);
}

.ipx-burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--ipx-border);
  border-radius: var(--ipx-radius-md);
  background: var(--ipx-surface);
  cursor: pointer;
}

.ipx-burger span,
.ipx-burger span::before,
.ipx-burger span::after {
  display: block;
  width: 14px;
  height: 1.5px;
  background: var(--ipx-text);
  position: relative;
}

.ipx-burger span::before,
.ipx-burger span::after {
  content: "";
  position: absolute;
  left: 0;
}

.ipx-burger span::before { top: -5px; }
.ipx-burger span::after { top: 5px; }

.ipx-mobile-nav {
  display: none;
  border-top: 1px solid var(--ipx-border);
  background: var(--ipx-bg);
  padding: 1rem var(--ipx-gutter) 1.5rem;
}

.ipx-mobile-nav.is-open {
  display: block;
}

.ipx-mobile-nav a {
  display: block;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--ipx-border);
  font-size: 15px;
}

.ipx-mobile-nav .ipx-cta {
  margin-top: 1rem;
}

@media (min-width: 768px) {
  .ipx-nav { display: flex; }
  .ipx-header-cta { display: inline-flex; }
  .ipx-burger,
  .ipx-mobile-nav { display: none !important; }
}

.ipx-footer {
  border-top: 1px solid var(--ipx-border);
  background: var(--ipx-bg);
}

.ipx-footer__inner {
  max-width: var(--ipx-container);
  margin: 0 auto;
  padding: 4rem var(--ipx-gutter);
}

.ipx-footer__grid {
  display: grid;
  gap: 3rem;
}

.ipx-footer p.tagline {
  margin-top: 1rem;
  max-width: 24rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--ipx-text-body);
}

.ipx-footer__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ipx-text-muted);
}

.ipx-footer__links {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1rem;
  font-size: 0.875rem;
}

.ipx-footer__links a,
.ipx-footer__links button {
  display: inline-block;
  padding: 0;
  border: 0;
  background: none;
  color: var(--ipx-text);
  text-align: left;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
  text-decoration-color: transparent;
}

.ipx-footer__links a:hover,
.ipx-footer__links button:hover {
  text-decoration-color: var(--ipx-accent);
}

.ipx-footer__bottom {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ipx-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ipx-text-muted);
}

.ipx-footer__note {
  margin-top: 1rem;
  max-width: 48rem;
  font-size: 11px;
  line-height: 1.7;
  color: #9aa0a6;
  text-transform: none;
  letter-spacing: 0;
}

@media (min-width: 768px) {
  .ipx-footer__grid {
    grid-template-columns: repeat(12, 1fr);
  }
  .ipx-footer__brand { grid-column: span 6; }
  .ipx-footer__nav { grid-column: span 6; }
  .ipx-footer__bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}