.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: radial-gradient(circle at top left, rgba(230, 57, 99, 0.24) 0, rgba(230, 57, 99, 0) 50%),
              rgba(5, 6, 10, 0.96);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  gap: var(--space-4);
}

.site-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.site-header__logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: conic-gradient(from 200deg, #e63963, #ff4b7b, #3fd5a1, #e63963);
  box-shadow: 0 0 0 2px rgba(5, 6, 10, 0.9), 0 12px 26px rgba(0, 0, 0, 0.6);
  position: relative;
}

.site-header__logo-mark::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.4) 0, transparent 45%),
              radial-gradient(circle at 70% 80%, rgba(5, 6, 10, 0.9) 0, #05060a 55%);
}

.site-header__logo-text {
  display: flex;
  flex-direction: column;
}

.site-header__logo-main {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-50);
}

.site-header__logo-sub {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.site-header__nav {
  display: flex;
  align-items: center;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  position: relative;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  text-decoration: none;
  padding-bottom: 0.3rem;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-success));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-normal);
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
  color: var(--gray-50);
}

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

.site-header__nav-item--cta .site-header__nav-link--cta {
  padding: 0.55rem 1.3rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(230, 57, 99, 0.7);
  background: radial-gradient(circle at 10% 0%, rgba(255, 138, 167, 0.2) 0, rgba(230, 57, 99, 0.7) 40%, rgba(5, 6, 10, 0.9) 100%);
  box-shadow: 0 10px 26px rgba(230, 57, 99, 0.5);
  color: #fff;
}

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

.site-header__nav-item--cta .site-header__nav-link--cta:hover,
.site-header__nav-item--cta .site-header__nav-link--cta:focus-visible {
  transform: translateY(-1px);
  box-shadow: var(--shadow-medium);
}

.site-header__toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(16, 18, 25, 0.96);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.site-header__toggle-bar {
  width: 19px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-50);
  transition: transform var(--transition-normal), opacity var(--transition-normal), translate var(--transition-normal);
}

.site-header__toggle.is-active .site-header__toggle-bar:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

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

.site-header__toggle.is-active .site-header__toggle-bar:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

@media (max-width: 767.98px) {
  .site-header__inner {
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
  }

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

  .site-header__nav {
    position: fixed;
    inset: 64px 0 auto 0;
    padding: 0 var(--container-padding-x) var(--space-4);
    max-height: 0;
    overflow: hidden;
    background: radial-gradient(circle at top left, rgba(230, 57, 99, 0.4) 0, rgba(230, 57, 99, 0) 55%),
                rgba(5, 6, 10, 0.98);
    border-bottom: 1px solid transparent;
    opacity: 0;
    transform: translateY(-6px);
    transition: max-height var(--transition-slow), opacity var(--transition-normal), transform var(--transition-normal), border-bottom-color var(--transition-normal);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding-top: var(--space-3);
  }

  .site-header__nav-item--cta {
    align-self: stretch;
  }

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

  .site-header--menu-open .site-header__nav {
    max-height: 320px;
    opacity: 1;
    transform: translateY(0);
    border-bottom-color: var(--color-border-subtle);
  }
}

@media (max-width: 479.98px) {
  .site-header__logo-main {
    font-size: 0.98rem;
  }

  .site-header__logo-sub {
    font-size: 0.64rem;
  }
}