.wrap {
  position: relative;
  z-index: 2;
  max-width: var(--content-max);
  margin: 0 auto;
  /* Extra bottom space now that the dev-only footer strip was removed */
  padding: 0.75rem clamp(1rem, 4vw, 2rem) 5rem;
}

.site-header {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-start;
  gap: 0.65rem 1rem;
  position: sticky;
  top: 0;
  z-index: 40;
  margin: 0 calc(-1 * clamp(1rem, 4vw, 2rem)) 1.5rem;
  padding: 0.75rem clamp(1rem, 4vw, 2rem) 0.85rem;
  border: none;
  border-radius: 0;
  box-shadow: none;
  /* No card frame: light frost only; rule sits on ::after */
  background: rgba(7, 13, 22, 0.36);
  backdrop-filter: blur(22px) saturate(145%);
  -webkit-backdrop-filter: blur(22px) saturate(145%);
}

/** Single-row nav: top links + Explore menu + Sign in (no horizontal scroll). */
.site-header--hub {
  justify-content: space-between;
  gap: 0.5rem 0.75rem;
}

/** Account app shell: brand | centered primary nav | session (Sign out / Sign in) on the right. */
.site-header.site-header--account-nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.5rem clamp(0.5rem, 2vw, 1.25rem);
}

.site-header.site-header--account-nav > .site-header__brand {
  grid-column: 1;
}

.site-header__nav-cluster {
  grid-column: 2;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 0;
}

.site-header__nav-cluster .site-nav--account-center {
  justify-content: center;
  flex-wrap: wrap;
  flex: 0 1 auto;
}

.site-header__session {
  grid-column: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex: 0 0 auto;
  min-width: 0;
}

/** Marketing home: brand | centered nav cluster | Sign in (right). */
.site-header.site-header--hub:has(.site-nav-shell) {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.5rem clamp(0.5rem, 2vw, 1.25rem);
}

.site-header.site-header--hub:has(.site-nav-shell) > .site-header__brand {
  grid-column: 1;
}

.site-nav-shell {
  grid-column: 2;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 0;
}

.site-header.site-header--hub:has(.site-nav-shell) > .site-nav__signin {
  grid-column: 3;
  justify-self: end;
  position: relative;
  z-index: 50;
}

.site-header.site-header--hub:has(.site-nav-shell) .site-nav {
  justify-content: center;
  flex: 0 0 auto;
}

.site-header__brand {
  flex: 0 0 auto;
  white-space: nowrap;
  align-self: center;
}

.site-header::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(45, 212, 191, 0.08) 14%,
    rgba(255, 255, 255, 0.14) 42%,
    rgba(200, 228, 223, 0.22) 50%,
    rgba(255, 255, 255, 0.14) 58%,
    rgba(45, 212, 191, 0.08) 86%,
    transparent 100%
  );
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
}

.site-nav {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.12rem 0.28rem;
  flex: 1 1 auto;
  min-width: 0;
  padding-inline: 0.1rem 0.15rem;
  min-height: 2.75rem;
}

button.site-nav__signin {
  font: inherit;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.site-nav > a,
.site-nav__signin {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--color-nav-link);
  text-decoration: none;
  flex: 0 0 auto;
  white-space: nowrap;
  padding: 0.48rem 0.42rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition:
    color 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

@media (min-width: 480px) {
  .site-nav > a,
  .site-nav__signin {
    padding: 0.5rem 0.55rem;
  }
}

@media (min-width: 720px) {
  .site-nav > a,
  .site-nav__signin {
    padding: 0.5rem 0.72rem;
  }
}

.site-nav > a:hover,
.site-nav__signin:hover {
  color: var(--color-nav-link-hover);
  background: var(--color-nav-hover-surface);
  border-color: var(--color-nav-hover-border);
}

.site-nav > a:focus-visible,
.site-nav__signin:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

.site-nav > a[href^='http']:hover {
  color: var(--color-nav-link-hover);
}

.site-nav__signin {
  border-color: rgba(45, 212, 191, 0.22);
  background: rgba(45, 212, 191, 0.07);
  color: rgba(226, 252, 247, 0.95);
}

.site-nav__signin:hover {
  border-color: rgba(45, 212, 191, 0.35);
  background: rgba(45, 212, 191, 0.12);
}

.site-nav-hub {
  position: relative;
  flex: 0 0 auto;
}

.site-nav-hub__summary {
  list-style: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--color-nav-link);
  padding: 0.48rem 0.42rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition:
    color 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

.site-nav-hub__summary::-webkit-details-marker {
  display: none;
}

.site-nav-hub__summary::after {
  content: '';
  display: inline-block;
  width: 0.35em;
  height: 0.35em;
  margin-left: 0.28em;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-0.08em);
  opacity: 0.75;
}

.site-nav-hub[open] > .site-nav-hub__summary {
  color: var(--color-nav-link-hover);
  background: var(--color-nav-hover-surface);
  border-color: var(--color-nav-hover-border);
}

.site-nav-hub__summary:hover {
  color: var(--color-nav-link-hover);
  background: var(--color-nav-hover-surface);
  border-color: var(--color-nav-hover-border);
}

.site-nav-hub__summary:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

.site-nav-hub__panel {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  z-index: 60;
  min-width: min(16.5rem, calc(100vw - 2rem));
  padding: 0.4rem;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-strong);
  background: rgba(10, 17, 30, 0.92);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow: var(--shadow-lg);
}

.site-nav-hub__anchor {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--color-nav-link);
  text-decoration: none;
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-nav-hub__anchor:hover {
  color: var(--color-nav-link-hover);
  background: var(--color-nav-hover-surface);
  border-color: var(--color-nav-hover-border);
}

.site-nav-hub__anchor:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 1px;
}

main {
  width: 100%;
  max-width: var(--content-main);
  margin-left: auto;
  margin-right: auto;
}