@view-transition {
  navigation: auto;
}

:root {
  view-transition-name: none;
}

.logo-img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  filter: drop-shadow(0 0 12px rgba(100, 255, 150, 0.18));
  flex-shrink: 0;
}

.site-header-logo {
  view-transition-name: site-header-logo;
}

::view-transition-group(site-header-logo) {
  animation-duration: 0s;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.95rem;
  text-decoration: none;
}

.brand-lockup.compact .logo-img {
  width: 40px;
  height: 40px;
}

.brand-copy {
  display: inline-flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.brand-caption {
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.brand-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-primary);
}

.navbar {
  position: fixed;
  top: 1.4rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(calc(100% - 2.4rem), var(--content-width));
  height: var(--header-height);
  padding: 0 1.2rem 0 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background:
    linear-gradient(180deg, rgba(12, 22, 18, 0.88) 0%, rgba(5, 9, 7, 0.82) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.045);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

body>.navbar.navbar {
  z-index: 1000;
}

.navbar::before {
  content: '';
  position: absolute;
  inset: 0 var(--radius-lg) auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(100, 255, 150, 0.5), rgba(111, 229, 255, 0.34), transparent);
  pointer-events: none;
}

.landing.is-scrolled .navbar {
  transform: translateX(-50%) translateY(-0.35rem);
  width: min(calc(100% - 1.4rem), var(--content-width));
  background:
    linear-gradient(180deg, rgba(10, 18, 15, 0.94) 0%, rgba(4, 7, 6, 0.9) 100%);
  border-color: rgba(161, 255, 199, 0.18);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.28);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.nav-links-inner {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.72rem 0.95rem;
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-link[aria-current='page'] {
  color: var(--text-primary);
  background: linear-gradient(135deg, rgba(100, 255, 150, 0.12), rgba(111, 229, 255, 0.08));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.lang-dropdown-wrapper {
  position: relative;
  display: inline-flex;
}

.lang-switcher-btn {
  width: 38px;
  height: 38px;
  min-height: 38px !important;
  padding: 0 !important;
  cursor: pointer;
  flex-shrink: 0;
}

.lang-switcher-btn:active {
  transform: translateY(0);
}

.lang-switcher-btn .globe-icon {
  width: 20px;
  height: 20px;
  display: block;
}

.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + 0.6rem);
  right: 0;
  min-width: 140px;
  background: linear-gradient(180deg, rgba(12, 22, 18, 0.98) 0%, rgba(5, 9, 7, 0.96) 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 0.4rem;
  box-shadow: var(--shadow-deep), 0 0 30px rgba(100, 255, 150, 0.04);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  z-index: 1010;
  opacity: 0;
  transform: translateY(8px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.lang-dropdown-wrapper.is-active {
  z-index: 1015;
}

.lang-dropdown-wrapper.is-active .lang-dropdown-menu {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
}

.lang-option>* {
  pointer-events: none;
}

.lang-option:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.lang-option.active {
  color: var(--primary);
  background: rgba(100, 255, 150, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.lang-option svg {
  flex-shrink: 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
}

.site-footer {
  margin-top: 4.5rem;
  padding: 3rem 1.5rem 3.2rem;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(8, 16, 13, 0.24) 0%, rgba(2, 3, 2, 0.64) 100%);
}

.landing-footer {
  width: min(100%, var(--content-width));
  margin-left: auto;
  margin-right: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: start;
}

.footer-links {
  display: grid;
  gap: 0.9rem;
  justify-items: start;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-link svg,
.footer-link i {
  color: var(--primary);
}

.footer-link:hover {
  color: var(--text-primary);
}

.footer-note {
  margin-top: 1.2rem;
  max-width: 52ch;
  font-size: 0.95rem;
}

.footer-note.muted {
  margin-top: 1.8rem;
  max-width: none;
  color: var(--text-muted);
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.mobile-menu-toggle:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(111, 229, 255, 0.2);
}

@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .section-heading {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--section-heading-stack-gap);
  }
}

@media (max-width: 1024px) {
  :root {
    --page-header-content-gap: 6.5rem;
  }

  .navbar {
    width: min(calc(100% - 1.2rem), var(--content-width));
    top: 0.6rem;
    height: auto;
    min-height: var(--header-height);
    flex-wrap: wrap;
    align-items: center;
    padding: 0.8rem 1.4rem;
    row-gap: 0 !important;
  }

  .navbar>.brand-lockup {
    flex: 1;
    min-width: 0;
  }

  .mobile-menu-toggle {
    display: flex;
    flex: 0 0 auto;
  }

  .nav-links {
    width: 100%;
    display: grid;
    grid-template-rows: 0fr;
    border-top: 1px solid rgba(255, 255, 255, 0);
    padding: 0;
    margin-top: 0;
    opacity: 0;
    pointer-events: none;
    backface-visibility: hidden;
    will-change: grid-template-rows, opacity;
    transition:
      grid-template-rows 0.3s cubic-bezier(0.16, 1, 0.3, 1),
      opacity 0.18s ease,
      margin-top 0.3s cubic-bezier(0.16, 1, 0.3, 1),
      padding 0.3s cubic-bezier(0.16, 1, 0.3, 1),
      border-color 0.3s ease;
  }

  .nav-links-inner {
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }

  .nav-links.is-open {
    grid-template-rows: 1fr;
    opacity: 1;
    margin-top: 1rem;
    padding: 1.5rem 0 1rem;
    border-top-color: rgba(255, 255, 255, 0.08);
    pointer-events: auto;
  }

  .nav-link {
    display: flex;
    width: 100%;
    justify-content: center;
    font-size: 1.1rem;
    padding: 0.8rem 1rem;
  }

  .nav-links .btn-premium,
  .nav-links .btn-ghost {
    width: 100%;
    justify-content: center;
    margin-top: 0.5rem;
  }

  .nav-links .lang-dropdown-wrapper {
    margin-top: 0.5rem;
    align-self: center;
    flex-direction: column;
    align-items: center;
    width: min(100%, 180px);
    z-index: 1015;
  }

  .nav-links .nav-link,
  .nav-links .btn-premium,
  .nav-links .btn-ghost,
  .nav-links .lang-dropdown-wrapper {
    transform: translateY(-8px) translate3d(0, 0, 0);
    backface-visibility: hidden;
    will-change: transform, opacity;
    opacity: 0;
    transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1),
      opacity 0.16s ease;
  }

  .nav-links.is-open .nav-link,
  .nav-links.is-open .btn-premium,
  .nav-links.is-open .btn-ghost,
  .nav-links.is-open .lang-dropdown-wrapper {
    transform: translateY(0) translate3d(0, 0, 0);
    opacity: 1;
  }

  .nav-links .lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 50%;
    right: auto;
    width: 140px;
    min-width: 140px;
    margin-top: 0;
    transform: translateX(-50%) translateY(8px) scale(0.98);
    background: #07110d !important;
    border-color: rgba(171, 255, 206, 0.22);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.48), inset 0 1px 0 rgba(255, 255, 255, 0.045);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    opacity: 0;
    max-height: none;
    overflow: visible;
    padding: 0.4rem;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1010;
  }

  .nav-links .lang-dropdown-wrapper.is-active .lang-dropdown-menu {
    transform: translateX(-50%) translateY(0) scale(1);
    opacity: 1 !important;
    pointer-events: auto;
  }

}

@media (max-width: 720px) {
  :root {
    --page-header-content-gap: 2rem;
  }

  .navbar {
    top: 0.5rem;
    width: calc(100% - 1rem);
    max-width: calc(100vw - 1rem);
    padding: 0.75rem 1rem;
    gap: 0.85rem;
  }

  .brand-lockup {
    min-width: 0;
    gap: 0.7rem;
  }

  .brand-copy {
    overflow: hidden;
  }

  .brand-title {
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    white-space: nowrap;
  }

  .brand-caption {
    font-size: 0.58rem;
    letter-spacing: 0.18em;
    white-space: nowrap;
  }

  .nav-links.is-open {
    padding-top: 1.15rem;
  }

  .nav-link {
    font-size: 1rem;
    padding: 0.75rem 0.9rem;
  }

  .site-footer {
    margin-top: var(--page-header-content-gap);
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-links {
    margin-top: 0.5rem;
  }
}

@media (max-width: 480px) {
  :root {
    --page-header-content-gap: 1.6rem;
  }
}