.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;

  width: 100%;

  background: rgba(var(--color-white-rgb), 0.96);
  box-shadow: 0 8px 28px rgba(var(--color-dark-rgb), 0.08);

  backdrop-filter: blur(14px);
}

.site-header__container {
  width: 100%;
  max-width: var(--container-width);
  min-height: 82px;

  margin: 0 auto;
  padding: 0 24px;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;

  text-decoration: none;
}

.site-header__logo img {
  width: auto;
  height: 54px;

  object-fit: contain;
}

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

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 28px;

  margin: 0;
  padding: 0;

  list-style: none;
}

.site-nav__list a {
  position: relative;

  color: var(--color-dark);

  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;

  transition: color var(--transition-fast);
}

.site-nav__list a::after {
  content: "";

  position: absolute;
  left: 0;
  bottom: -8px;

  width: 100%;
  height: 2px;

  background: var(--color-primary);

  transform: scaleX(0);
  transform-origin: right;

  transition: transform var(--transition-fast);
}

.site-nav__list a:hover,
.site-nav__list a:focus-visible {
  color: var(--color-primary);
}

.site-nav__list a:hover::after,
.site-nav__list a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-header__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-height: 46px;
  padding: 0 22px;

  border-radius: var(--radius-pill);

  background: var(--color-primary);
  color: var(--color-white);

  font-size: 0.86rem;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;

  white-space: nowrap;

  transition:
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.site-header__cta:hover,
.site-header__cta:focus-visible {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;

  width: 46px;
  height: 46px;

  padding: 0;

  border: 0;
  border-radius: 50%;

  background: rgba(var(--color-primary-rgb), 0.08);

  cursor: pointer;
}

.menu-toggle span {
  display: block;

  width: 22px;
  height: 2px;

  margin: 5px auto;

  border-radius: 999px;

  background: var(--color-primary);

  transition:
    transform 0.25s ease,
    opacity var(--transition-fast);
}

.menu-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 980px) {
  .site-header__container {
    min-height: 74px;

    padding: 0 20px;
  }

  .site-header__logo img {
    height: 48px;
  }

  .site-nav {
    position: fixed;
    top: 74px;
    left: 0;

    width: 100%;
    padding: 20px;

    background: rgba(var(--color-white-rgb), 0.98);
    box-shadow: 0 22px 35px rgba(var(--color-dark-rgb), 0.12);

    opacity: 0;
    visibility: hidden;

    transform: translateY(-12px);

    transition:
      opacity 0.25s ease,
      visibility 0.25s ease,
      transform 0.25s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;

    transform: translateY(0);
  }

  .site-nav__list {
    width: 100%;

    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__list li {
    border-bottom: 1px solid rgba(var(--color-dark-rgb), 0.08);
  }

  .site-nav__list li:last-child {
    border-bottom: 0;
  }

  .site-nav__list a {
    display: block;

    padding: 18px 0;

    font-size: 1rem;
    line-height: 1.2;
  }

  .site-nav__list a::after {
    display: none;
  }

  .site-header__cta {
    display: none;
  }

  .menu-toggle {
    display: block;
    flex-shrink: 0;
  }

  body.menu-open {
    overflow: hidden;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav,
  .site-nav__list a,
  .site-nav__list a::after,
  .site-header__cta,
  .menu-toggle span {
    transition: none;
  }

  .site-header__cta:hover,
  .site-header__cta:focus-visible {
    transform: none;
  }
}