.site-nav {
  position: fixed;
  top: var(--admin-bar-height);
  left: 0;
  right: 0;
  z-index: 300;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.3s,
    background 0.45s,
    backdrop-filter 0.45s,
    -webkit-backdrop-filter 0.45s;
}

.site-nav--scrolled {
  background: var(--color-nav-background);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--color-border-default);
}

.site-nav--menu-open {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom-color: transparent;
}

.site-nav--menu-open .site-nav__logo-img {
  filter: brightness(0) invert(1);
}

.site-nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
  position: relative;
  z-index: 2;
}

.site-nav__logo-img {
  display: block;
  width: auto;
  height: 24px;
  transition: filter 0.35s;
}

.site-nav__links-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.site-nav__pill {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  border-radius: var(--radius-pill);
  background: var(--color-nav-link-hover);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transform: translate3d(0, 0, 0);
  transition:
    transform 0.38s cubic-bezier(0.16, 1, 0.3, 1),
    width 0.38s cubic-bezier(0.16, 1, 0.3, 1),
    height 0.38s cubic-bezier(0.16, 1, 0.3, 1),
    background 0.28s ease,
    opacity 0.2s,
    box-shadow 0.38s;
  will-change: transform, width;
}

.site-nav__links-wrap--ready .site-nav__pill {
  opacity: 1;
}

.site-nav__links-wrap--hover .site-nav__pill {
  background: var(--color-nav-link-hover);
}

.site-nav__links-wrap--brand .site-nav__pill {
  background: var(--color-brand-primary-subtle);
}

.site-nav__links-wrap--brand.site-nav__links-wrap--hover .site-nav__pill {
  background: var(--color-nav-link-hover);
}

.site-nav__links {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 2px;
  list-style: none;
}

.site-nav__links a {
  position: relative;
  z-index: 1;
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: transparent;
  transition: color 0.2s;
}

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

@keyframes site-nav-pill-attention {
  0%,
  76%,
  100% {
    box-shadow: 0 0 0 0 rgba(70, 66, 255, 0);
  }

  86% {
    box-shadow: 0 0 0 3px rgba(70, 66, 255, 0.1);
  }
}

.site-nav__links-wrap--brand:not(.site-nav__links-wrap--hover) .site-nav__pill {
  animation: site-nav-pill-attention 2s ease-in-out infinite;
}

.site-nav__links-wrap--brand.site-nav__links-wrap--hover .site-nav__pill {
  animation: none;
}

.site-nav__links a[aria-current='page'] {
  color: var(--color-brand-primary);
  font-weight: var(--font-weight-medium);
}

.site-nav__links a[aria-current='page']:hover,
.site-nav__links a[aria-current='page']:focus-visible {
  color: var(--color-brand-primary-hover);
}

.site-nav__actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ── Hamburger trigger ── */
.site-nav__burger {
  display: none;
  position: relative;
  z-index: 2;
  width: 52px;
  height: 52px;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  border-radius: 50%;
  flex-shrink: 0;
}

.site-nav__burger-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid transparent;
  transition:
    transform 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.35s,
    background 0.35s,
    box-shadow 0.55s;
}

.site-nav__burger-lines {
  position: relative;
  display: block;
  width: 18px;
  height: 12px;
  margin: 0 auto;
}

.site-nav__burger-line {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition:
    transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.25s,
    width 0.35s,
    background 0.35s;
}

.site-nav__burger-line:nth-child(1) {
  top: 0;
}

.site-nav__burger-line:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
  width: 70%;
}

.site-nav__burger-line:nth-child(3) {
  bottom: 0;
}

.site-nav__burger:hover .site-nav__burger-line:nth-child(2) {
  width: 100%;
}

.site-nav--menu-open .site-nav__burger-ring {
  transform: scale(1.12);
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.site-nav--menu-open .site-nav__burger-line {
  background: var(--color-text-inverse);
}

.site-nav--menu-open .site-nav__burger-line:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.site-nav--menu-open .site-nav__burger-line:nth-child(2) {
  opacity: 0;
  transform: translateY(-50%) scaleX(0);
}

.site-nav--menu-open .site-nav__burger-line:nth-child(3) {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* ── Full-screen menu ── */
.site-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  visibility: hidden;
}

.site-menu.is-open {
  pointer-events: auto;
  visibility: visible;
}

.site-menu__panel {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding:
    calc(var(--header-offset) + var(--space-xl))
    var(--space-xl)
    var(--space-2xl);
  background: var(--color-surface-inverse);
  clip-path: circle(0% at calc(100% - var(--space-xl) - 26px) calc(var(--admin-bar-height) + var(--nav-height) / 2));
  transition: clip-path 0.85s cubic-bezier(0.76, 0, 0.24, 1);
  overflow: hidden;
}

.site-menu.is-open .site-menu__panel {
  clip-path: circle(150vmax at calc(100% - var(--space-xl) - 26px) calc(var(--admin-bar-height) + var(--nav-height) / 2));
}

.site-menu__glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(60px);
  opacity: 0;
  transition: opacity 0.8s 0.2s;
}

.site-menu.is-open .site-menu__glow {
  opacity: 1;
}

.site-menu__glow--one {
  top: -10%;
  right: -5%;
  width: min(55vw, 420px);
  height: min(55vw, 420px);
  background: rgba(70, 66, 255, 0.45);
}

.site-menu__glow--two {
  bottom: 5%;
  left: -15%;
  width: min(70vw, 520px);
  height: min(70vw, 520px);
  background: rgba(70, 66, 255, 0.18);
}

.site-menu__watermark {
  position: absolute;
  right: -0.08em;
  bottom: 0.05em;
  margin: 0;
  font-family: var(--font-family-serif);
  font-size: clamp(5rem, 28vw, 16rem);
  line-height: 0.85;
  color: rgba(255, 255, 255, 0.03);
  pointer-events: none;
  user-select: none;
  transform: translateY(12%);
  opacity: 0;
  transition: opacity 0.6s 0.35s, transform 0.8s 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-menu.is-open .site-menu__watermark {
  opacity: 1;
  transform: translateY(0);
}

.site-menu__nav {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  align-items: center;
}

.site-menu__links {
  list-style: none;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: clamp(0.15rem, 1.5vh, 0.65rem);
}

.site-menu__links a {
  display: flex;
  align-items: baseline;
  gap: clamp(0.75rem, 3vw, 1.25rem);
  padding: clamp(0.35rem, 1.2vh, 0.65rem) 0;
  text-decoration: none;
  opacity: 0;
  transform: translate3d(-28px, 24px, 0);
  transition:
    opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.65s cubic-bezier(0.16, 1, 0.3, 1),
    color 0.2s;
  transition-delay: calc(0.12s + var(--menu-i) * 0.055s);
}

.site-menu.is-open .site-menu__links a {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.site-menu__num {
  font-size: 11px;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.08em;
  color: var(--color-brand-primary);
  flex-shrink: 0;
  min-width: 1.5rem;
}

.site-menu__label {
  font-family: var(--font-family-serif);
  font-size: clamp(2.4rem, 9vw, 4.25rem);
  line-height: var(--line-height-snug);
  color: var(--color-text-inverse);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-menu__links a:hover .site-menu__label,
.site-menu__links a:focus-visible .site-menu__label {
  transform: translateX(10px);
  color: #fff;
}

@keyframes site-menu-active-attention {
  0%,
  76%,
  100% {
    text-shadow: none;
    transform: translateX(0);
  }

  86% {
    text-shadow: 0 0 14px rgba(70, 66, 255, 0.28);
    transform: translateX(2px);
  }
}

.site-menu__links a[aria-current='page'] .site-menu__label {
  color: var(--color-brand-primary);
  animation: site-menu-active-attention 2s ease-in-out infinite;
}

.site-menu__links a[aria-current='page']:hover .site-menu__label,
.site-menu__links a[aria-current='page']:focus-visible .site-menu__label {
  color: var(--color-brand-primary);
  animation-play-state: paused;
}

.site-menu__links a:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 6px;
  border-radius: var(--radius-sm);
}

.site-menu__footer {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.5s 0.45s,
    transform 0.55s 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-menu.is-open .site-menu__footer {
  opacity: 1;
  transform: translateY(0);
}

.site-menu__cta {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  width: 100%;
  padding: 1.1rem 1.35rem;
  border-radius: var(--radius-md);
  background: var(--color-brand-primary);
  color: var(--color-text-inverse);
  font-size: 1.05rem;
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition:
    background 0.2s,
    transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.site-menu__cta:focus-visible {
  outline: 2px solid var(--color-text-inverse);
  outline-offset: 3px;
}

.site-menu__cta-arrow {
  font-size: 1.35rem;
  transition: transform 0.25s;
}

.site-menu__cta:hover .site-menu__cta-arrow {
  transform: translateX(4px);
}

.site-menu__lang {
  display: flex;
  gap: 8px;
  padding: 4px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.site-menu__lang-btn {
  flex: 1;
  text-align: center;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-inverse-muted);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.site-menu__lang-btn:hover,
.site-menu__lang-btn:focus-visible {
  color: var(--color-text-inverse);
}

.site-menu__lang-btn--active {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-text-inverse);
}

.site-menu__lang-btn:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
}

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

@media (max-width: 900px) {
  .site-nav {
    padding: 0 1.25rem;
  }

  .site-nav__links-wrap,
  .site-nav__actions {
    display: none;
  }

  .site-nav__burger {
    display: block;
  }

  .site-menu__panel {
    clip-path: circle(0% at calc(100% - 1.25rem - 26px) calc(var(--admin-bar-height) + var(--nav-height) / 2));
  }

  .site-menu.is-open .site-menu__panel {
    clip-path: circle(150vmax at calc(100% - 1.25rem - 26px) calc(var(--admin-bar-height) + var(--nav-height) / 2));
  }

  .site-menu__links {
    gap: 0.2rem;
  }

  .site-menu__links a {
    gap: 0.75rem;
    padding: 0.3rem 0;
  }

  .site-menu__num {
    font-size: 10px;
    min-width: 1.35rem;
  }

  .site-menu__label {
    font-size: clamp(1.75rem, 6.5vw, 2.15rem);
  }

  .site-menu__cta {
    font-size: 1rem;
    padding: 1rem 1.2rem;
  }

  .site-menu__cta-arrow {
    font-size: 1.2rem;
  }

  .site-menu__lang-btn {
    font-size: 12px;
    padding: 0.6rem 0.9rem;
  }

  .site-menu__watermark {
    font-size: clamp(3.75rem, 22vw, 8rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-menu__panel {
    clip-path: none;
    opacity: 0;
    transition: opacity 0.2s;
  }

  .site-menu.is-open .site-menu__panel {
    clip-path: none;
    opacity: 1;
  }

  .site-menu__links a,
  .site-menu__footer,
  .site-menu__watermark,
  .site-menu__glow,
  .site-nav__burger-ring,
  .site-nav__burger-line,
  .site-menu__label,
  .site-nav__links a[aria-current='page'] {
    transition: none;
    transform: none;
    opacity: 1;
    animation: none;
    box-shadow: none;
    text-shadow: none;
  }

  .site-nav__pill {
    transition: none;
    animation: none;
    box-shadow: none;
  }

  .site-menu:not(.is-open) .site-menu__links a,
  .site-menu:not(.is-open) .site-menu__footer,
  .site-menu:not(.is-open) .site-menu__watermark,
  .site-menu:not(.is-open) .site-menu__glow {
    opacity: 0;
  }
}