.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: var(--z-header);
  backdrop-filter: blur(18px);
  background: radial-gradient(circle at top, rgba(245, 196, 67, 0.12), transparent 55%), radial-gradient(circle at bottom, rgba(59, 124, 255, 0.12), transparent 55%), rgba(11, 5, 8, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  height: var(--header-height);
}

.site-header__brand {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.site-header__logo {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-inline: var(--space-md);
}

.site-header__logo-main {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-text);
}

.site-header__logo-sub {
  margin-top: 0.1rem;
  font-size: var(--text-2xs, 0.7rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.site-header__nav {
  flex: 1 1 auto;
  max-width: 100%;
}

.site-header__nav-columns {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.site-header__nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
}

.site-header__nav-item {
  margin: 0;
}

.site-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.45rem;
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  white-space: nowrap;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.1rem;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent-yellow), var(--color-accent-blue));
  transition: width var(--transition-base);
}

.site-header__nav-link:hover {
  color: var(--color-text);
}

.site-header__nav-link:hover::after {
  width: 100%;
}

.site-header__nav-link--active {
  color: var(--color-accent-yellow);
}

.site-header__nav-link--active::after {
  width: 100%;
}

.site-header__nav-link--cta {
  padding-inline: 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(245, 196, 67, 0.7);
  background: rgba(11, 5, 8, 0.7);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.site-header__nav-link--cta:hover {
  background: var(--gradient-primary);
  color: var(--color-text);
}

.site-header__nav-mobile-extra {
  display: none;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  margin-right: auto;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(11, 5, 8, 0.9);
  cursor: pointer;
}

.site-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header--menu-open .site-header__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.site-header--menu-open .site-header__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 1023.98px) {
  .site-header__inner {
    height: auto;
    padding-block: 0.5rem;
  }

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

  .site-header__brand {
    flex: 1 1 auto;
  }

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: max-height var(--transition-slow), opacity var(--transition-slow), transform var(--transition-slow), visibility var(--transition-slow);
    background: rgba(11, 5, 8, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow-soft);
  }

  .site-header--menu-open .site-header__nav {
    max-height: 80vh;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-header__nav-columns {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-md) var(--space-md) var(--space-sm);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }

  .site-header__nav-link {
    width: 100%;
    padding-block: 0.55rem;
  }

  .site-header__nav-link::after {
    display: none;
  }

  .site-header__nav-link--cta {
    width: 100%;
    justify-content: center;
  }

  .site-header__nav-mobile-extra {
    display: block;
    padding: 0 var(--space-md) var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-header__nav-mobile-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
  }

  .site-header__nav-mobile-item {
    margin: 0;
  }

  .site-header__nav-mobile-link {
    display: block;
    padding-block: 0.55rem;
    font-size: var(--text-xs);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-text-soft);
  }

  .site-header__nav-mobile-link:hover {
    color: var(--color-text);
  }
}

@media (min-width: 1024px) {
  .site-header__toggle {
    display: none;
  }

  .site-header__nav {
    position: static;
    opacity: 1;
    visibility: visible;
    max-height: none;
    transform: none;
    background: transparent;
    border-bottom: 0;
    box-shadow: none;
  }

  .site-header__nav-columns {
    padding: 0;
  }

  .site-header__nav-mobile-extra {
    display: none;
  }
}