/* Header, buttons, footer, mobile menu */

.cdx-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--cdx-z-nav);
  height: var(--cdx-nav);
  display: flex;
  align-items: center;
  transition:
    background var(--cdx-normal) var(--cdx-ease),
    border-color var(--cdx-normal),
    box-shadow var(--cdx-normal),
    backdrop-filter var(--cdx-normal);
  border-bottom: 1px solid transparent;
  background: transparent;
}
.cdx-header.is-solid {
  background: rgba(7, 9, 13, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--cdx-line);
  box-shadow: var(--cdx-shadow-nav);
}
.cdx-header__inner {
  width: min(100% - (var(--cdx-pad) * 2), var(--cdx-max));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--cdx-gutter);
}
.cdx-brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  height: 2.5rem;
}
.cdx-brand img {
  height: 2.5rem;
  width: auto;
}
.cdx-nav { justify-self: center; }
.cdx-nav__list {
  display: flex;
  gap: 0.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.cdx-nav__list a {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0 0.85rem;
  color: var(--cdx-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--cdx-r-sm);
  transition: color var(--cdx-fast);
}
.cdx-nav__list a:hover {
  color: var(--cdx-text);
}
.cdx-nav__list a[aria-current="page"] {
  color: var(--cdx-text);
  box-shadow: inset 0 -2px 0 var(--cdx-signal);
}
.cdx-header__end {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cdx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 3rem;
  padding: 0 1.35rem;
  border-radius: var(--cdx-r);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.975rem;
  cursor: pointer;
  text-decoration: none !important;
  transition:
    background var(--cdx-fast),
    color var(--cdx-fast),
    border-color var(--cdx-fast),
    transform var(--cdx-fast);
}
.cdx-btn--primary {
  background: var(--cdx-blue);
  color: #061018 !important;
  border-color: var(--cdx-blue);
}
.cdx-btn--primary:hover {
  background: var(--cdx-cyan);
  border-color: var(--cdx-cyan);
  color: #061018 !important;
  transform: translateY(-1px);
}
.cdx-btn--ghost {
  background: transparent;
  border-color: var(--cdx-line-strong);
  color: var(--cdx-text) !important;
}
.cdx-btn--ghost:hover {
  border-color: var(--cdx-blue);
  color: #fff !important;
}
.cdx-btn--sm {
  min-height: 2.5rem;
  padding: 0 1rem;
  font-size: 0.9rem;
}

.cdx-nav__toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--cdx-line-strong);
  border-radius: var(--cdx-r);
  background: rgba(255, 255, 255, 0.03);
  color: var(--cdx-text);
  cursor: pointer;
  padding: 0;
}
.cdx-nav__toggle span {
  display: block;
  width: 1.1rem;
  height: 1.5px;
  margin: 0.28rem auto;
  background: currentColor;
}

/* Mobile panel */
.cdx-menu {
  display: none;
  position: fixed;
  inset: var(--cdx-nav) 0 0 0;
  z-index: var(--cdx-z-menu);
  background: rgba(7, 9, 13, 0.97);
  padding: var(--cdx-space-6) var(--cdx-pad);
  flex-direction: column;
  gap: var(--cdx-space-5);
}
.cdx-header.is-open .cdx-menu { display: flex; }
.cdx-menu a {
  font-family: var(--cdx-display);
  font-size: clamp(1.75rem, 6vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--cdx-text);
  text-decoration: none;
  line-height: 1.25;
}
.cdx-menu a:hover { color: var(--cdx-blue); }
.cdx-menu__cta {
  margin-top: auto;
  padding-bottom: var(--cdx-space-6);
}

/* Footer */
.cdx-footer {
  border-top: 1px solid var(--cdx-line);
  padding: var(--cdx-space-9) 0 var(--cdx-space-7);
  background: var(--cdx-ink);
  position: relative;
}
.cdx-footer__mark {
  width: auto;
  height: 3.5rem;
  margin-bottom: var(--cdx-space-5);
  opacity: 1;
}
.cdx-footer__title {
  margin: 0 0 var(--cdx-space-7);
  font-family: var(--cdx-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 18ch;
  line-height: 1.12;
}
.cdx-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--cdx-space-6);
  padding-top: var(--cdx-space-6);
  border-top: 1px solid var(--cdx-line);
}
.cdx-footer__meta {
  display: grid;
  gap: 0.4rem;
  color: var(--cdx-faint);
  font-size: 0.9rem;
}
.cdx-footer__meta strong { color: var(--cdx-text); font-weight: 600; }
.cdx-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.15rem;
}
.cdx-footer nav a {
  color: var(--cdx-muted);
  text-decoration: none;
}
.cdx-footer nav a:hover { color: #fff; }
/* Signal only in hero — footer uses border-top */

@media (max-width: 900px) {
  .cdx-nav, .cdx-header__end .cdx-btn { display: none; }
  .cdx-nav__toggle { display: inline-flex; align-items: center; justify-content: center; }
  .cdx-header__inner { grid-template-columns: 1fr auto; }
  .cdx-footer__grid { grid-template-columns: 1fr; }
}