html {
  scroll-padding-top: calc(var(--header-height) + var(--header-top-offset) + 14px);
}

:root {
  --header-top-offset: 0;
}

body.nav-open {
  overflow: hidden;
  padding-right: var(--scrollbar-compensation, 0px);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 20;
  background: rgba(250, 249, 246, 0.84);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-top: 1px solid rgba(var(--text-primary-rgb), 0.12);
  border-bottom: 1px solid rgba(var(--text-primary-rgb), 0.12);
  border-radius: 0;
  box-shadow: none;
  opacity: 1;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
  min-height: var(--header-height);
}

.site-header.is-stuck {
  box-shadow: 0 8px 24px rgba(var(--text-primary-rgb), 0.08);
}

.site-header-inner {
  width: min(var(--header-shell-max), calc(100% - (var(--page-inline-pad) * 2)));
  margin: 0 auto;
  padding: 0;
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 3.75rem);
  position: relative;
}

.site-header a,
.site-header a:visited {
  color: inherit;
  text-decoration: none;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: var(--fw-medium);
  font-size: var(--fs-lg);
  line-height: 1;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.logo-img {
  width: 1.75rem;
  height: 3rem;
  flex: 0 0 28px;
}

.logo-dot {
  color: var(--interactive);
}

.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: clamp(0.95rem, 1.25vw, 1.55rem);
  min-width: 0;
}

.nav-links > a {
  width: auto;
  min-width: 0;
  height: var(--header-height);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  padding: 0;
  border-radius: 0;
  font-weight: var(--fw-semibold);
  font-size: clamp(0.68rem, 0.68vw, 0.78rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1;
  color: rgba(var(--text-primary-rgb), 0.58);
  background: transparent;
  border: 0;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
}

.nav-links > a:hover,
.nav-links > a:focus-visible {
  color: var(--text-primary);
}

.nav-links > a.is-current,
.nav-links > a[aria-current="page"] {
  color: var(--text-primary);
  background: transparent;
  border-color: transparent;
  font-weight: var(--fw-semibold);
}

.nav-links > a.is-current:hover,
.nav-links > a.is-current:focus-visible,
.nav-links > a[aria-current="page"]:hover,
.nav-links > a[aria-current="page"]:focus-visible {
  color: var(--text-primary);
  background: transparent;
  border-color: transparent;
}

.logo:focus-visible,
.nav-links > a:focus-visible,
.lang-pill:focus-visible,
.site-header-cta:focus-visible,
.nav-toggle:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

.nav-links > a:active {
  transform: translateY(1px);
  box-shadow: none;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding-left: clamp(0.2rem, 0.7vw, 0.65rem);
  border-left: 1px solid rgba(var(--text-primary-rgb), 0.14);
  background: transparent;
  box-shadow: none;
}

.lang-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-width: 0;
  height: auto;
  padding: 0;
  border-radius: 0;
  font-weight: var(--fw-semibold);
  font-size: clamp(0.68rem, 0.68vw, 0.78rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.1;
  vertical-align: middle;
  color: rgba(var(--text-primary-rgb), 0.46);
  border: 0;
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.lang-pill:hover,
.lang-pill:focus-visible:not(.is-active) {
  color: var(--text-primary);
  background: transparent;
}

.lang-pill.is-active {
  color: var(--text-primary);
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

.lang-pill.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.45rem;
  height: 2px;
  border-radius: 999px;
  background: var(--interactive);
}

.lang-pill.is-active:hover,
.lang-pill.is-active:focus-visible {
  background: transparent;
  color: var(--text-primary);
}

.site-header .site-header-cta,
.site-header .site-header-cta:visited {
  display: none;
  margin-left: clamp(0.1rem, 0.7vw, 0.65rem);
  white-space: nowrap;
}

.site-header.is-stuck .site-header-cta,
.site-header.is-stuck .site-header-cta:visited {
  display: inline-flex;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid rgba(var(--interactive-rgb), 0.4);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text-primary);
  border-radius: var(--radius-xxl);
  padding: 0.4rem 0.9rem;
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
}

.nav-toggle-box {
  position: relative;
  display: inline-flex;
  width: 1.35rem;
  height: 1rem;
  align-items: center;
  justify-content: center;
}

.nav-toggle-bar,
.nav-toggle-box::before,
.nav-toggle-box::after {
  position: absolute;
  left: 0;
  width: 100%;
  height: 0.125rem;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle-box::before,
.nav-toggle-box::after {
  content: "";
}

.nav-toggle-bar {
  top: 50%;
  transform: translateY(-50%);
}

.nav-toggle-box::before {
  top: 0;
}

.nav-toggle-box::after {
  bottom: 0;
}

.nav-toggle.is-active .nav-toggle-bar {
  opacity: 0;
}

.nav-toggle.is-active .nav-toggle-box::before {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle-box::after {
  bottom: auto;
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
}

.nav-toggle-label {
  letter-spacing: 0.2em;
  font-size: var(--fs-xs);
}

@media (max-width: 860px) {
  :root {
    --header-top-offset: 0;
  }

  .site-header-inner {
    min-height: 4rem;
    padding: 0 14px;
    gap: 0.6rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    right: 1.2rem;
    background: var(--bg-main);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
    padding: 1.1rem 1.25rem;
    border-radius: 8px;
    box-shadow: 0 18px 45px rgba(var(--text-primary-rgb), 0.08);
    z-index: 30;
    max-width: min(22.5rem, calc(100vw - (var(--page-inline-pad) * 2)));
  }

  .nav-links.is-open {
    display: flex;
    border: 1px solid rgba(var(--text-primary-rgb), 0.12);
  }

  .nav-links > a,
  .nav-links > a:visited {
    height: auto;
    color: rgba(var(--text-primary-rgb), 0.58);
    background: transparent;
    border: 0;
    font-weight: var(--fw-semibold);
    font-size: clamp(0.68rem, 0.68vw, 0.78rem);
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  .nav-links.is-open > a.is-current,
  .nav-links.is-open > a[aria-current="page"] {
    color: var(--text-primary);
    background: transparent;
    border-color: transparent;
    font-weight: var(--fw-semibold);
  }

  .nav-links.is-open > a.is-current:hover,
  .nav-links.is-open > a.is-current:focus-visible,
  .nav-links.is-open > a[aria-current="page"]:hover,
  .nav-links.is-open > a[aria-current="page"]:focus-visible {
    color: var(--text-primary);
    background: transparent;
    border-color: transparent;
  }

  .lang-switch {
    width: auto;
    justify-content: flex-start;
    margin-top: 0.15rem;
    padding-left: 0;
    padding-top: 0.75rem;
    border-left: 0;
    border-top: 1px solid rgba(var(--text-primary-rgb), 0.14);
    box-shadow: none;
  }

  .lang-pill {
    flex: 0 0 auto;
    min-width: 0;
    text-align: center;
  }

  .site-header {
    top: 0;
    left: 0;
    width: 100%;
    min-height: 4rem;
    border-radius: 0;
    box-shadow: 0 8px 22px rgba(20, 20, 20, 0.06);
  }

  .site-header-cta,
  .site-header.is-stuck .site-header-cta {
    display: none;
  }
}

@media (max-width: 700px) {
  .site-header-inner {
    padding: 0 clamp(0.9rem, 5vw, 1.05rem);
  }

  .nav-links {
    right: 0.75rem;
    left: 0.75rem;
  }
}