.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 120;
  transition: var(--transition-normal);
  pointer-events: none;
}

.site-header__outer {
  width: 100%;
  padding: 1.8rem 0;
  transition: var(--transition-normal);
}

.site-header__inner {
  min-height: 106px;
  padding: 0 1.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  pointer-events: auto;
  transition: var(--transition-normal);
}

.site-header.is-scrolled .site-header__outer {
  padding: 0;
  background: rgba(10, 45, 105, 0.98);
  box-shadow: 0 20px 50px rgba(9, 36, 83, 0.18);
}

.site-header.is-scrolled .site-header__inner {
  min-height: 96px;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  flex-shrink: 0;
}

.site-logo img {
  display: block;
  width: 210px;
  max-width: 100%;
  height: auto;
  transition: transform 0.28s ease, filter 0.28s ease;
}

.site-logo:hover img {
  transform: translateY(-1px);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.site-nav__list a {
  position: relative;
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.98rem;
  transition: var(--transition-fast);
}

.site-nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.45rem;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: var(--transition-fast);
}

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

.site-nav__list a:hover::after,
.site-nav__list a.is-active::after {
  transform: scaleX(1);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    0 10px 24px rgba(10, 45, 105, 0.08);
  color: var(--color-white);
  transition:
    background-color 0.28s ease,
    border-color 0.28s ease,
    transform 0.28s ease,
    box-shadow 0.28s ease,
    color 0.28s ease;
}

.mobile-toggle i {
  font-size: 1.1rem;
  line-height: 1;
  transition: transform 0.28s ease, color 0.28s ease;
}

.mobile-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(72, 197, 243, 0.28);
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    0 14px 28px rgba(10, 45, 105, 0.16);
}

.mobile-toggle:hover i {
  color: var(--color-primary);
  transform: scale(1.04);
}

.mobile-panel {
  position: fixed;
  inset: 0;
  z-index: 200;
  visibility: hidden;
  pointer-events: none;
}

.mobile-panel.is-open {
  visibility: visible;
  pointer-events: auto;
}

.mobile-panel__overlay {
  position: absolute;
  inset: 0;
  background: rgba(9, 18, 36, 0.55);
  opacity: 0;
  transition: var(--transition-normal);
}

.mobile-panel.is-open .mobile-panel__overlay {
  opacity: 1;
}

.mobile-panel__content {
  position: absolute;
  top: 0;
  right: 0;
  width: min(88vw, 380px);
  height: 100%;
  background: var(--color-primary-dark);
  padding: 1.5rem;
  transform: translateX(100%);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  box-shadow: -24px 0 50px rgba(9, 18, 36, 0.28);
}

.mobile-panel.is-open .mobile-panel__content {
  transform: translateX(0);
}

.mobile-panel__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.mobile-panel__title {
  color: var(--color-white);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.mobile-panel__close {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--color-white);
  transition:
    background-color 0.28s ease,
    border-color 0.28s ease,
    transform 0.28s ease;
}

.mobile-panel__close:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(72,197,243,0.26);
  transform: translateY(-1px);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.mobile-nav a {
  color: var(--color-white);
  font-weight: 700;
  padding: 1rem 1rem;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  transition: var(--transition-fast);
}

.mobile-nav a:hover {
  background: rgba(72,197,243,0.14);
  color: var(--color-primary);
}