.site-header {
  position: sticky;
  top: var(--notice-height);
  z-index: var(--z-header);
  backdrop-filter: blur(14px);
  background-color: var(--color-header-bg);
  border-bottom: 1px solid rgba(226, 228, 221, 0.9);
}

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

.site-header__burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background-color: rgba(248, 250, 252, 0.8);
  padding: 0;
}

.site-header__burger .burger__lines {
  position: relative;
  width: 16px;
  height: 12px;
}

.site-header__burger .burger__lines::before,
.site-header__burger .burger__lines::after,
.site-header__burger .burger__line {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base), bottom var(--transition-base);
}

.site-header__burger .burger__line {
  top: 5px;
}

.site-header__burger .burger__lines::before {
  top: 0;
}

.site-header__burger .burger__lines::after {
  bottom: 0;
}

.site-header__burger[aria-expanded="true"] .burger__line {
  opacity: 0;
}

.site-header__burger[aria-expanded="true"] .burger__lines::before {
  top: 5px;
  transform: rotate(45deg);
}

.site-header__burger[aria-expanded="true"] .burger__lines::after {
  bottom: 5px;
  transform: rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-nav__item {
  margin: 0;
}

.site-nav__link {
  position: relative;
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  padding: 0.25rem 0;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.1rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-strong));
  transform-origin: center;
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.site-nav__link:hover,
.site-nav__link[aria-current="page"] {
  color: var(--color-text);
}

.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav__item--contact .site-nav__link--contact {
  font-weight: 600;
}

.site-nav__cta {
  display: none;
}

@media (max-width: 767.98px) {
  .site-nav {
    position: fixed;
    inset-inline: 0;
    top: calc(var(--notice-height) + var(--header-height));
    background-color: rgba(253, 253, 251, 0.98);
    border-bottom: 1px solid var(--color-border-subtle);
    padding: 0.75rem var(--space-md) 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .site-nav.site-nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .site-nav__link {
    font-size: var(--text-md);
  }

  .site-nav__cta {
    display: flex;
    width: 100%;
  }

  .site-nav__cta .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 768px) {
  .site-header__burger {
    display: none;
  }

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

  .site-nav__list {
    gap: 1.1rem;
  }
}

@media (min-width: 1024px) {
  .site-nav__list {
    gap: 1.3rem;
  }
}