:root {
  --cs-header-bg: rgba(2, 7, 13, 0.82);
  --cs-header-line: rgba(163, 215, 255, 0.14);
  --cs-header-ink: var(--ink, #f3f8ff);
  --cs-header-muted: rgba(245, 248, 255, 0.82);
  --cs-header-cyan: #2ed8ff;
  --cs-header-blue: var(--blue, #347dff);
  --cs-header-sheen-color: #2ed8ff;
  --cs-nav-underline-origin: left center;
  --cs-guide-menu-sweep-opacity: 1;
  --cs-guide-menu-sweep-duration: 420ms;
  --cs-guide-item-sweep-opacity: 0.9;
  --cs-guide-item-sweep-duration: 360ms;
  --cs-header-font: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --cs-header-display: "Space Grotesk", "Inter", ui-sans-serif, system-ui, sans-serif;
}

[data-site-header] {
  position: relative;
  z-index: 50;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto minmax(210px, 1fr);
  align-items: center;
  min-height: 86px;
  padding: 0 48px;
  border-bottom: 1px solid var(--cs-header-line);
  background: var(--cs-header-bg);
  backdrop-filter: blur(18px);
  color: var(--cs-header-ink);
  font-family: var(--cs-header-font);
}

.site-header a {
  color: inherit;
  text-decoration: none;
}

.site-header button {
  font: inherit;
  cursor: pointer;
}

.site-header .brand {
  display: inline-flex;
  align-items: center;
  width: max-content;
  gap: 0.85rem;
}

.site-header .brand-mark {
  display: block;
  flex: 0 0 auto;
  width: 3.25rem;
  height: 3.25rem;
  background: transparent url("/assets/coresurfer-logo-website.png") center / contain no-repeat;
  border-radius: 0;
  box-shadow: none;
  filter: none;
}

.site-header .brand-mark::before,
.site-header .brand-mark::after {
  content: none;
}

.site-header .brand-copy {
  display: grid;
  gap: 0.28rem;
}

.site-header .brand-name,
.site-header .brand-tagline,
.site-header .site-nav,
.site-header .header-actions {
  text-transform: uppercase;
}

.site-header .brand-name {
  position: relative;
  display: inline-block;
  isolation: isolate;
  color: var(--cs-header-ink);
  font-family: var(--cs-header-display);
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  white-space: nowrap;
}

.site-header .brand-name::after {
  content: attr(data-sheen);
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0;
  color: transparent;
  pointer-events: none;
  background: linear-gradient(
    105deg,
    rgba(46, 216, 255, 0) 0%,
    rgba(46, 216, 255, 0) 36%,
    var(--cs-header-sheen-color) 46%,
    rgba(226, 251, 255, 0.96) 50%,
    var(--cs-header-sheen-color) 54%,
    rgba(46, 216, 255, 0) 64%,
    rgba(46, 216, 255, 0) 100%
  );
  background-size: 230% 100%;
  background-position: 140% 0;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.site-header .brand:hover .brand-name::after,
.site-header .brand:focus-visible .brand-name::after {
  opacity: 1;
  animation: cs-brand-name-sheen 820ms ease;
}

.site-header .brand-tagline {
  color: var(--cs-header-sheen-color);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.34em;
}

@keyframes cs-brand-name-sheen {
  from {
    background-position: 140% 0;
  }

  to {
    background-position: -140% 0;
  }
}

.site-header .site-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(0.9rem, 1.8vw, 1.85rem);
  color: var(--cs-header-muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.site-header .site-nav a,
.site-header .nav-menu > a {
  position: relative;
  padding: 2rem 0;
}

.site-header .site-nav a::after,
.site-header .nav-menu > a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1.45rem;
  height: 2px;
  opacity: 0.94;
  transform: scaleX(0);
  transform-origin: var(--cs-nav-underline-origin);
  background: linear-gradient(90deg, rgba(46, 216, 255, 0), var(--cs-header-cyan) 18%, var(--cs-header-blue) 78%, rgba(52, 125, 255, 0));
  transition: opacity 180ms ease, transform 180ms ease;
}

.site-header .site-nav a:hover,
.site-header .site-nav a:focus-visible,
.site-header .nav-menu:hover > a,
.site-header .nav-menu:focus-within > a,
.site-header .site-nav .is-active {
  color: var(--cs-header-ink);
  outline: none;
}

.site-header .site-nav a:hover::after,
.site-header .site-nav a:focus-visible::after,
.site-header .nav-menu:hover > a::after,
.site-header .nav-menu:focus-within > a::after,
.site-header .site-nav .is-active::after {
  transform: scaleX(1);
}

.site-header .nav-menu {
  position: relative;
  display: grid;
}

.site-header .nav-submenu {
  position: absolute;
  top: calc(100% - 1.05rem);
  left: 50%;
  z-index: 60;
  display: grid;
  min-width: 11rem;
  padding: 0.45rem;
  border: 1px solid rgba(175, 212, 255, 0.18);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(3, 10, 20, 0.94);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.34), inset 0 0 24px rgba(46, 216, 255, 0.05);
  isolation: isolate;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 0.45rem);
  transition: opacity 160ms ease, transform 160ms ease;
}

.site-header .nav-submenu::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-105%);
  background: linear-gradient(110deg, rgba(46, 216, 255, 0), rgba(77, 217, 255, 0.24), rgba(77, 130, 255, 0));
  transition: opacity 180ms ease, transform var(--cs-guide-menu-sweep-duration) ease;
}

.site-header .nav-menu:hover .nav-submenu,
.site-header .nav-menu:focus-within .nav-submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.site-header .nav-menu:hover .nav-submenu::before,
.site-header .nav-menu:focus-within .nav-submenu::before {
  opacity: var(--cs-guide-menu-sweep-opacity);
  transform: translateX(105%);
}

.site-header .nav-submenu a {
  position: relative;
  z-index: 1;
  overflow: hidden;
  isolation: isolate;
  padding: 0.68rem 0.75rem;
  border-radius: 6px;
  color: var(--cs-header-muted);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  white-space: nowrap;
  transition: background 160ms ease, box-shadow 160ms ease, color 160ms ease;
}

.site-header .nav-submenu a::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-105%);
  background: linear-gradient(110deg, rgba(46, 216, 255, 0), rgba(77, 217, 255, 0.24), rgba(77, 130, 255, 0));
  transition: opacity 160ms ease, transform var(--cs-guide-item-sweep-duration) ease;
}

.site-header .nav-submenu a::after {
  display: none;
}

.site-header .nav-submenu a:hover,
.site-header .nav-submenu a:focus-visible,
.site-header .nav-submenu a.is-current {
  background: rgba(38, 108, 240, 0.2);
  color: var(--cs-header-cyan);
  box-shadow: inset 0 0 18px rgba(46, 216, 255, 0.08);
  outline: none;
}

.site-header .nav-submenu a:hover::before,
.site-header .nav-submenu a:focus-visible::before,
.site-header .nav-submenu a.is-current::before {
  opacity: var(--cs-guide-item-sweep-opacity);
  transform: translateX(105%);
}

.site-header .header-actions {
  display: flex;
  justify-content: end;
  align-items: center;
  gap: 20px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
}

.site-header .site-auth-actions {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 42px;
}

.site-header .site-search-button {
  position: relative;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  border-radius: 999px;
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header .site-search-button span {
  position: absolute;
  inset: 11px;
  border: 2px solid #fff;
  border-radius: 999px;
  transition: border-color 180ms ease, filter 180ms ease;
}

.site-header .site-search-button span::after {
  content: "";
  position: absolute;
  right: -7px;
  bottom: 0;
  width: 9px;
  height: 2px;
  background: #fff;
  transform: rotate(45deg);
  transform-origin: center;
  transition: background 180ms ease;
}

.site-header .site-search-button:hover,
.site-header .site-search-button:focus-visible,
.site-header .site-search-button[aria-expanded="true"] {
  background: rgba(46, 216, 255, 0.08);
  box-shadow: 0 0 24px rgba(46, 216, 255, 0.12);
  outline: none;
}

.site-header .site-search-button:hover span,
.site-header .site-search-button:focus-visible span,
.site-header .site-search-button[aria-expanded="true"] span {
  border-color: var(--cs-header-cyan);
  filter: drop-shadow(0 0 8px rgba(46, 216, 255, 0.48));
}

.site-header .site-search-button:hover span::after,
.site-header .site-search-button:focus-visible span::after,
.site-header .site-search-button[aria-expanded="true"] span::after {
  background: var(--cs-header-cyan);
}

.site-header .site-search-panel {
  position: absolute;
  top: calc(100% + 14px);
  right: 48px;
  z-index: 80;
  width: min(560px, calc(100vw - 32px));
  padding: 0.75rem;
  border: 1px solid rgba(175, 212, 255, 0.2);
  border-radius: 10px;
  overflow: hidden;
  background: rgba(2, 9, 18, 0.94);
  box-shadow:
    0 22px 60px rgba(0, 0, 0, 0.44),
    inset 0 0 30px rgba(46, 216, 255, 0.06);
  animation: cs-search-panel-in 160ms ease;
  isolation: isolate;
}

.site-header .site-search-panel[hidden] {
  display: none;
}

.site-header .site-search-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.52;
  pointer-events: none;
  background:
    radial-gradient(circle at 22% 0%, rgba(46, 216, 255, 0.2), transparent 34%),
    linear-gradient(110deg, rgba(46, 216, 255, 0), rgba(77, 217, 255, 0.1), rgba(77, 130, 255, 0));
}

.site-header .site-search-form,
.site-header .site-search-results {
  position: relative;
  z-index: 1;
}

.site-header .site-search-form {
  display: grid;
  grid-template-columns: 1.5rem 1fr auto;
  align-items: center;
  gap: 0.7rem;
  padding: 0.48rem;
  border: 1px solid rgba(175, 212, 255, 0.2);
  border-radius: 8px;
  background: rgba(1, 7, 14, 0.74);
}

.site-header .site-search-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.site-header .site-search-mark {
  position: relative;
  display: block;
  width: 1.08rem;
  height: 1.08rem;
  margin-left: 0.18rem;
  border: 2px solid rgba(243, 248, 255, 0.88);
  border-radius: 999px;
}

.site-header .site-search-mark::after {
  content: "";
  position: absolute;
  right: -0.42rem;
  bottom: -0.08rem;
  width: 0.52rem;
  height: 2px;
  background: rgba(243, 248, 255, 0.88);
  transform: rotate(45deg);
}

.site-header .site-search-input {
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--cs-header-ink);
  font: 500 0.92rem/1.2 var(--cs-header-font);
  outline: none;
}

.site-header .site-search-input::placeholder {
  color: rgba(243, 248, 255, 0.54);
}

.site-header .site-search-submit {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 1rem;
  border: 1px solid rgba(46, 216, 255, 0.78);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(28, 113, 204, 0.12);
  color: #d8f5ff;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: border-color 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.site-header .site-search-submit::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-105%);
  background: linear-gradient(110deg, rgba(46, 216, 255, 0), rgba(77, 217, 255, 0.24), rgba(77, 130, 255, 0));
  transition: opacity 180ms ease, transform 420ms ease;
}

.site-header .site-search-submit:hover,
.site-header .site-search-submit:focus-visible {
  border-color: #8bedff;
  color: #fff;
  box-shadow:
    0 0 26px rgba(77, 217, 255, 0.16),
    0 0 30px rgba(52, 125, 255, 0.18) inset;
  outline: none;
}

.site-header .site-search-submit:hover::before,
.site-header .site-search-submit:focus-visible::before {
  opacity: 1;
  transform: translateX(105%);
}

.site-header .site-search-results {
  display: grid;
  gap: 0.38rem;
  max-height: min(58vh, 430px);
  margin-top: 0.6rem;
  overflow: auto;
}

.site-header .site-search-results-heading {
  padding: 0.2rem 0.18rem 0.05rem;
  color: rgba(243, 248, 255, 0.5);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-header .site-search-result {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: 0.72rem 0.78rem;
  border: 1px solid rgba(175, 212, 255, 0.12);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(5, 17, 31, 0.58);
  transition: background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.site-header .site-search-result::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-105%);
  background: linear-gradient(110deg, rgba(46, 216, 255, 0), rgba(77, 217, 255, 0.18), rgba(77, 130, 255, 0));
  transition: opacity 160ms ease, transform 360ms ease;
}

.site-header .site-search-result:hover,
.site-header .site-search-result:focus-visible,
.site-header .site-search-result.is-active {
  border-color: rgba(46, 216, 255, 0.36);
  background: rgba(18, 55, 92, 0.42);
  box-shadow: inset 0 0 20px rgba(46, 216, 255, 0.06);
  outline: none;
}

.site-header .site-search-result:hover::before,
.site-header .site-search-result:focus-visible::before,
.site-header .site-search-result.is-active::before {
  opacity: 1;
  transform: translateX(105%);
}

.site-header .site-search-result-copy,
.site-header .site-search-result-action {
  position: relative;
  z-index: 1;
}

.site-header .site-search-result-copy {
  display: grid;
  min-width: 0;
  gap: 0.18rem;
}

.site-header .site-search-result-copy strong {
  overflow: hidden;
  color: var(--cs-header-ink);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header .site-search-result-copy em {
  overflow: hidden;
  color: rgba(243, 248, 255, 0.62);
  font-size: 0.74rem;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0;
  text-overflow: ellipsis;
  text-transform: none;
  white-space: nowrap;
}

.site-header .site-search-result-action {
  color: var(--cs-header-cyan);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-header .site-search-status {
  display: grid;
  gap: 0.22rem;
  padding: 0.85rem 0.78rem;
  border: 1px solid rgba(175, 212, 255, 0.12);
  border-radius: 8px;
  background: rgba(5, 17, 31, 0.46);
  color: rgba(243, 248, 255, 0.72);
  font-size: 0.78rem;
  letter-spacing: 0;
  text-transform: none;
}

.site-header .site-search-status strong {
  color: var(--cs-header-ink);
  font-size: 0.8rem;
}

@keyframes cs-search-panel-in {
  from {
    opacity: 0;
    transform: translateY(-0.35rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-header .login-link {
  position: relative;
  min-height: auto;
  padding-left: 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(243, 248, 255, 0.9);
  transition: color 180ms ease, text-shadow 180ms ease;
}

.site-header .login-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -0.48rem;
  left: 20px;
  height: 1px;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, rgba(46, 216, 255, 0), var(--cs-header-cyan) 18%, var(--cs-header-blue) 78%, rgba(52, 125, 255, 0));
  transition: opacity 180ms ease, transform 180ms ease;
}

.site-header .login-link:hover,
.site-header .login-link:focus-visible {
  color: var(--cs-header-ink);
  text-shadow: 0 0 18px rgba(77, 217, 255, 0.34);
  outline: none;
}

.site-header .login-link:hover::after,
.site-header .login-link:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.site-header .site-auth-actions.is-authenticated {
  padding-left: 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.site-header .site-account-menu {
  position: relative;
  display: inline-flex;
}

.site-header .site-account-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 0.48rem 0 0.68rem;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.site-header .site-account-button:hover,
.site-header .site-account-button:focus-visible,
.site-header .site-account-menu.is-open .site-account-button {
  border-color: rgba(46, 216, 255, 0.28);
  background: rgba(46, 216, 255, 0.07);
  box-shadow: inset 0 0 20px rgba(46, 216, 255, 0.06);
  outline: none;
}

.site-header .site-user-name {
  max-width: 12rem;
  overflow: hidden;
  color: var(--cs-header-ink);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-header .site-account-caret {
  display: block;
  width: 0.46rem;
  height: 0.46rem;
  border-right: 2px solid rgba(243, 248, 255, 0.74);
  border-bottom: 2px solid rgba(243, 248, 255, 0.74);
  transform: translateY(-0.12rem) rotate(45deg);
  transition: border-color 180ms ease, transform 180ms ease;
}

.site-header .site-account-menu.is-open .site-account-caret {
  border-color: var(--cs-header-cyan);
  transform: translateY(0.08rem) rotate(225deg);
}

.site-header .site-trust-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 0.7rem;
  border: 1px solid rgba(46, 216, 255, 0.32);
  border-radius: 999px;
  color: var(--cs-header-cyan);
  background: rgba(46, 216, 255, 0.08);
  box-shadow: inset 0 0 18px rgba(46, 216, 255, 0.06);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.site-header .site-account-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 90;
  display: grid;
  gap: 0.28rem;
  width: max-content;
  min-width: 15rem;
  padding: 0.45rem;
  border: 1px solid rgba(175, 212, 255, 0.18);
  border-radius: 8px;
  background: rgba(3, 10, 20, 0.96);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.36), inset 0 0 24px rgba(46, 216, 255, 0.05);
  animation: cs-search-panel-in 150ms ease;
}

.site-header .site-account-dropdown[hidden] {
  display: none;
}

.site-header .site-account-dropdown a,
.site-header .site-account-dropdown .site-logout-button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 38px;
  width: 100%;
  padding: 0.68rem 0.75rem;
  border-radius: 6px;
  color: var(--cs-header-muted);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-align: left;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background 160ms ease, box-shadow 160ms ease, color 160ms ease;
}

.site-header .site-account-dropdown a:hover,
.site-header .site-account-dropdown a:focus-visible,
.site-header .site-account-dropdown .site-logout-button:hover,
.site-header .site-account-dropdown .site-logout-button:focus-visible {
  background: rgba(38, 108, 240, 0.2);
  color: var(--cs-header-cyan);
  box-shadow: inset 0 0 18px rgba(46, 216, 255, 0.08);
  outline: none;
}

.site-header .site-account-dropdown .site-logout-button {
  border: 0;
  background: transparent;
}

.site-header .site-logout-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 0.82rem;
  border: 1px solid rgba(46, 216, 255, 0.42);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(28, 113, 204, 0.08);
  color: #d8f5ff;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: border-color 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.site-header .site-logout-button::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-105%);
  background: linear-gradient(110deg, rgba(46, 216, 255, 0), rgba(77, 217, 255, 0.22), rgba(77, 130, 255, 0));
  transition: opacity 180ms ease, transform 420ms ease;
}

.site-header .site-logout-button:hover,
.site-header .site-logout-button:focus-visible {
  border-color: #8bedff;
  color: #fff;
  box-shadow:
    0 0 24px rgba(77, 217, 255, 0.14),
    0 0 26px rgba(52, 125, 255, 0.16) inset;
  outline: none;
}

.site-header .site-logout-button:hover::before,
.site-header .site-logout-button:focus-visible::before {
  opacity: 1;
  transform: translateX(105%);
}

.site-header .site-logout-button:disabled {
  opacity: 0.62;
  cursor: progress;
}

.site-header .signup-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: auto;
  min-height: 42px;
  padding: 0 24px;
  border: 1px solid var(--cs-header-cyan);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(28, 113, 204, 0.08);
  color: #d8f5ff;
  box-shadow: 0 0 28px rgba(77, 217, 255, 0.18) inset;
  transition: border-color 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.site-header .signup-button::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-105%);
  background: linear-gradient(110deg, rgba(46, 216, 255, 0), rgba(77, 217, 255, 0.24), rgba(77, 130, 255, 0));
  transition: opacity 180ms ease, transform 420ms ease;
}

.site-header .signup-button:hover,
.site-header .signup-button:focus-visible {
  border-color: #8bedff;
  color: #fff;
  box-shadow:
    0 0 30px rgba(77, 217, 255, 0.18),
    0 0 34px rgba(52, 125, 255, 0.2) inset;
  outline: none;
}

.site-header .signup-button:hover::before,
.site-header .signup-button:focus-visible::before {
  opacity: 1;
  transform: translateX(105%);
}

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 24px;
  }

  .site-header .site-nav {
    display: none;
  }

  .site-header .site-search-panel {
    right: 24px;
  }
}

@media (max-width: 860px) {
  .site-header {
    min-height: 74px;
  }

  .site-header .brand-mark {
    width: 2.65rem;
    height: 2.65rem;
  }

  .site-header .brand-name {
    font-size: 0.95rem;
    letter-spacing: 0.18em;
  }

  .site-header .brand-tagline,
  .site-header .login-link {
    display: none;
  }

  .site-header .site-user-name {
    max-width: 8rem;
  }

  .site-header .signup-button {
    min-height: 38px;
    padding: 0 14px;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 0 16px;
  }

  .site-header .header-actions {
    gap: 8px;
  }

  .site-header .site-auth-actions {
    gap: 8px;
  }

  .site-header .site-auth-actions.is-authenticated {
    padding-left: 10px;
  }

  .site-header .site-user-name {
    max-width: 6.5rem;
    font-size: 0.68rem;
  }

  .site-header .site-trust-chip {
    display: none;
  }

  .site-header .site-search-button {
    width: 36px;
    height: 36px;
  }

  .site-header .site-search-button span {
    inset: 10px;
  }

  .site-header .site-search-panel {
    right: 16px;
  }

  .site-header .site-search-form {
    grid-template-columns: 1.5rem 1fr;
  }

  .site-header .site-search-submit {
    grid-column: 1 / -1;
  }
}

@media (max-width: 460px) {
  .site-header .signup-button {
    display: none;
  }
}