:root {
  --site-header-height: 4.5rem;
  --site-header-surface: rgba(11, 10, 16, 0.86);
  --site-header-border: rgba(240, 228, 255, 0.12);
  --site-header-text: rgba(255, 255, 255, 0.64);
  --site-header-text-strong: rgba(255, 255, 255, 0.96);
  --site-header-pill: rgba(255, 255, 255, 0.04);
  --site-header-pill-hover: rgba(255, 255, 255, 0.07);
  --site-header-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
  --site-header-accent-cyan: #59e1ff;
  --site-header-accent-violet: #8f5cff;
  --site-header-accent-emerald: #47d7ac;
}

body.is-site-locked {
  overflow: hidden;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body > section[id],
body > main [id] {
  scroll-margin-top: calc(var(--site-header-height) + 1.5rem);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 220;
  isolation: isolate;
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0)),
    var(--site-header-surface);
  border-bottom: 1px solid var(--site-header-border);
  box-shadow: var(--site-header-shadow);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(153, 69, 255, 0.8) 18%,
    rgba(84, 151, 213, 0.55) 48%,
    rgba(25, 251, 155, 0.8) 80%,
    transparent 100%
  );
  opacity: 0.8;
}

.site-header__inner {
  position: relative;
  min-height: var(--site-header-height);
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--site-header-text-strong);
  text-decoration: none;
  min-width: max-content;
  flex-shrink: 0;
}

.site-header__brand:focus-visible,
.site-header__nav-link:focus-visible,
.site-header__search:focus-visible,
.site-header__toggle:focus-visible,
.site-header__mobile-search:focus-visible,
.site-header__mobile-link:focus-visible,
.site-header__mobile-cta:focus-visible,
.site-palette__item:focus-visible,
.site-palette__close:focus-visible,
.site-palette__input:focus-visible {
  outline: 2px solid rgba(25, 251, 155, 0.72);
  outline-offset: 2px;
}

.site-header__brand-mark {
  width: clamp(8.75rem, 11vw, 10.5rem);
  max-width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.site-header__brand-mark img {
  width: 100%;
  height: auto;
  display: block;
}

.site-header__brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0.16rem;
}

.site-header__brand-name {
  font-family: Monument, Diatype, sans-serif;
  font-size: 1.02rem;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header__brand-sub {
  font-family: DSemi, "ABC Mono", monospace;
  font-size: 0.62rem;
  line-height: 1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.44);
}

.site-header__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  flex: 1 1 auto;
  min-width: 0;
}

.site-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0 0.95rem;
  border-radius: 999px;
  color: var(--site-header-text);
  text-decoration: none;
  font-size: 0.94rem;
  line-height: 1;
  letter-spacing: -0.01em;
  transition:
    color 180ms ease,
    background-color 180ms ease,
    transform 180ms ease,
    border-color 180ms ease;
  touch-action: manipulation;
}

.site-header__nav-link:hover,
.site-header__nav-link[aria-current="page"],
.site-header__nav-link.is-active {
  color: var(--site-header-text-strong);
  background: rgba(255, 255, 255, 0.045);
}

.site-header__nav-link:hover {
  transform: translateY(-1px);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.site-header__search,
.site-header__mobile-search {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  min-height: 2.7rem;
  border-radius: 999px;
  border: 1px solid rgba(240, 228, 255, 0.12);
  background: var(--site-header-pill);
  color: var(--site-header-text);
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
  touch-action: manipulation;
}

.site-header__search {
  min-width: min(24vw, 21rem);
  padding: 0 0.82rem 0 0.95rem;
}

.site-header__search:hover,
.site-header__mobile-search:hover {
  color: var(--site-header-text-strong);
  background: var(--site-header-pill-hover);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}

.site-header__search-icon,
.site-header__mobile-search-icon,
.site-header__locale svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  opacity: 0.86;
}

.site-header__search-text {
  min-width: 0;
  flex: 1 1 auto;
  text-align: left;
  font-size: 0.92rem;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-header__search-shortcut {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.85rem;
  height: 1.65rem;
  padding: 0 0.45rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: rgba(255, 255, 255, 0.54);
  font-family: DSemi, "ABC Mono", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header__locale {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  min-height: 2.5rem;
  padding: 0 0.82rem;
  border-radius: 999px;
  color: var(--site-header-text);
  border: 1px solid transparent;
}

.site-header__locale span {
  font-size: 0.88rem;
  line-height: 1;
}

.site-header__toggle {
  display: none;
  width: 2.85rem;
  height: 2.85rem;
  padding: 0;
  border-radius: 999px;
  border: 1px solid rgba(240, 228, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--site-header-text-strong);
  align-items: center;
  justify-content: center;
  position: relative;
  transition: background-color 180ms ease, border-color 180ms ease;
  touch-action: manipulation;
}

.site-header__toggle:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.18);
}

.site-header__toggle-bar {
  position: absolute;
  width: 1rem;
  height: 1.5px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    var(--site-header-accent-cyan) 0%,
    var(--site-header-accent-violet) 52%,
    var(--site-header-accent-emerald) 100%
  );
  box-shadow: 0 0 10px rgba(89, 225, 255, 0.18);
  transition: transform 180ms ease, opacity 180ms ease;
}

.site-header__toggle-bar:nth-child(1) {
  transform: translateY(-0.28rem);
}

.site-header__toggle-bar:nth-child(3) {
  transform: translateY(0.28rem);
}

.site-header.is-menu-open .site-header__toggle-bar:nth-child(1) {
  transform: rotate(45deg);
}

.site-header.is-menu-open .site-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header.is-menu-open .site-header__toggle-bar:nth-child(3) {
  transform: rotate(-45deg);
}

.site-header__mobile[hidden],
.site-palette[hidden] {
  display: none !important;
}

.site-header__mobile {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    rgba(9, 8, 14, 0.94);
}

.site-header__mobile-inner {
  padding-top: 0.9rem;
  padding-bottom: 1rem;
  display: grid;
  gap: 0.75rem;
}

.site-header__mobile-search {
  width: 100%;
  justify-content: flex-start;
  padding: 0 0.95rem;
  font-size: 0.96rem;
}

.site-header__mobile-nav {
  display: grid;
  gap: 0.42rem;
}

.site-header__mobile-link,
.site-header__mobile-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3rem;
  padding: 0.95rem 1rem;
  border-radius: 1rem;
  text-decoration: none;
  font-size: 0.96rem;
  line-height: 1.2;
  touch-action: manipulation;
}

.site-header__mobile-link {
  border: 1px solid rgba(240, 228, 255, 0.1);
  background: rgba(255, 255, 255, 0.025);
  color: var(--site-header-text);
}

.site-header__mobile-link::after {
  content: "↗";
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.9rem;
}

.site-header__mobile-link[aria-current="page"],
.site-header__mobile-link.is-active {
  color: var(--site-header-text-strong);
  background: rgba(255, 255, 255, 0.06);
}

.site-header__mobile-cta {
  justify-content: center;
  border: 1px solid rgba(16, 185, 129, 0.26);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.16), rgba(0, 240, 255, 0.12));
  color: rgba(255, 255, 255, 0.96);
  font-size: 0.92rem;
  font-weight: 500;
}

.site-palette {
  position: fixed;
  inset: 0;
  z-index: 260;
  display: grid;
  align-items: start;
  justify-items: center;
  padding: clamp(4rem, 8vh, 5.5rem) 1.25rem 1.5rem;
}

.site-palette__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 3, 6, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.site-palette__dialog {
  position: relative;
  width: min(100%, 44rem);
  border-radius: 1.4rem;
  border: 1px solid rgba(240, 228, 255, 0.14);
  background:
    radial-gradient(circle at top right, rgba(16, 185, 129, 0.09), transparent 28%),
    radial-gradient(circle at top left, rgba(139, 92, 246, 0.12), transparent 32%),
    rgba(12, 10, 18, 0.94);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.42);
  overflow: hidden;
}

.site-palette__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1rem 0;
}

.site-palette__title {
  font-family: DSemi, "ABC Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.46);
}

.site-palette__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.82);
}

.site-palette__close svg {
  width: 1rem;
  height: 1rem;
}

.site-palette__search {
  padding: 0.85rem 1rem 1rem;
}

.site-palette__input-wrap {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-height: 3.55rem;
  padding: 0 1rem;
  border-radius: 1rem;
  border: 1px solid rgba(240, 228, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.site-palette__input-icon {
  width: 1.05rem;
  height: 1.05rem;
  color: rgba(255, 255, 255, 0.46);
  flex-shrink: 0;
}

.site-palette__input {
  width: 100%;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.96);
  font-size: 1rem;
  outline: 0;
}

.site-palette__input::placeholder {
  color: rgba(255, 255, 255, 0.36);
}

.site-palette__results {
  display: grid;
  gap: 0.5rem;
  max-height: min(48vh, 28rem);
  padding: 0 1rem 1rem;
  overflow: auto;
}

.site-palette__item,
.site-palette__empty {
  border-radius: 1rem;
  border: 1px solid rgba(240, 228, 255, 0.08);
  background: rgba(255, 255, 255, 0.028);
}

.site-palette__item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1rem;
  text-decoration: none;
  color: inherit;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease;
}

.site-palette__item:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
}

.site-palette__item-copy {
  min-width: 0;
}

.site-palette__item-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 1.25rem;
  padding: 0 0.48rem;
  margin-bottom: 0.45rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.46);
  font-family: DSemi, "ABC Mono", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-palette__item-title {
  display: block;
  color: rgba(255, 255, 255, 0.96);
  font-size: 0.98rem;
  line-height: 1.2;
}

.site-palette__item-meta {
  display: block;
  margin-top: 0.25rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.88rem;
  line-height: 1.4;
}

.site-palette__item-arrow {
  color: rgba(255, 255, 255, 0.32);
  font-size: 1rem;
  line-height: 1;
  padding-top: 0.15rem;
}

.site-palette__empty {
  padding: 1rem;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.92rem;
}

@media (max-width: 1279px) {
  .site-header__search {
    min-width: 18rem;
  }
}

@media (max-width: 1139px) {
  :root {
    --site-header-height: 4.15rem;
  }

  .site-header__inner {
    justify-content: space-between;
  }

  .site-header__nav,
  .site-header__search,
  .site-header__locale {
    display: none;
  }

  .site-header__actions {
    margin-left: auto;
  }

  .site-header__toggle {
    display: inline-flex;
  }
}

@media (max-width: 767px) {
  .site-header__inner {
    gap: 0.8rem;
  }

  .site-header__brand-mark {
    width: 7.75rem;
  }

  .site-palette {
    padding-top: 3.4rem;
  }

  .site-palette__dialog {
    border-radius: 1.1rem;
  }

  .site-palette__item {
    padding: 0.9rem;
  }

  .site-palette__item-meta {
    font-size: 0.83rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header,
  .site-header *,
  .site-palette,
  .site-palette * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}