.sr-site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: color-mix(in srgb, var(--sr-surface) 88%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--sr-border);
}

.sr-header-inner {
  min-height: var(--sr-header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(8px, 1.2vw, 16px);
}

.sr-brand-link {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  min-width: 0;
}

.sr-logo-plate {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 78px;
  height: 88px;
  padding: 4px 8px;
  border: 1px solid rgba(33, 122, 141, 0.18);
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(13, 61, 72, 0.1);
}

.sr-logo-plate img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 80px;
  object-fit: contain;
}

.sr-main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 auto;
  min-width: 0;
  gap: 6px;
}

.sr-nav-item {
  position: relative;
  flex: 0 0 auto;
}

.sr-nav-link {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--sr-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  width: 100%;
  text-align: start;
  -webkit-tap-highlight-color: transparent;
  transition: color 0.18s ease, background 0.18s ease;
}

.sr-top-link {
  min-height: 40px;
  padding: 8px;
  border-radius: 11px;
  font-size: clamp(0.76rem, 0.76vw, 0.86rem);
  white-space: nowrap;
}

.sr-nav-link:hover,
.sr-nav-link:focus-visible,
.sr-nav-link.is-active,
.sr-nav-item.has-active-child > .sr-top-link {
  color: var(--sr-primary);
  background: var(--sr-surface-soft);
}

.sr-chevron {
  flex: 0 0 auto;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.sr-dropdown {
  position: absolute;
  z-index: 1080;
  top: calc(100% + 8px);
  inset-inline-start: 0;
  display: grid;
  min-width: 270px;
  max-width: min(360px, calc(100vw - 32px));
  padding: 9px;
  border: 1px solid var(--sr-border);
  border-radius: 16px;
  background: color-mix(in srgb, var(--sr-surface-raised) 96%, transparent);
  box-shadow: var(--sr-shadow);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px) scale(0.985);
  transform-origin: top center;
  transition: opacity 0.18s ease, transform 0.24s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0s linear 0.24s;
}

.sr-nav-item.is-expanded > .sr-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  transition-delay: 0s;
}

.sr-nav-item.is-expanded > .sr-top-link .sr-chevron {
  transform: rotate(180deg);
}

.sr-child-link {
  min-height: 42px;
  justify-content: flex-start;
  padding: 9px 11px;
  border-radius: 10px;
  font-size: 0.84rem;
  line-height: 1.45;
}

.sr-external-icon {
  flex: 0 0 auto;
  margin-inline-start: auto;
  opacity: 0.65;
}

.sr-header-tools {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 8px;
}

.sr-icon-button,
.sr-menu-button,
.sr-language-switch {
  position: relative;
  width: 39px;
  height: 39px;
  padding: 0;
  border: 1px solid var(--sr-border);
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--sr-surface-raised);
  color: var(--sr-ink);
  cursor: pointer;
}

.sr-language-switch {
  font-weight: 700;
  color: var(--sr-primary);
}

.sr-menu-button {
  display: none;
}

.sr-theme-icon {
  position: absolute;
}

.sr-theme-icon--sun {
  display: none;
}

html[data-theme='dark'] .sr-theme-icon--moon {
  display: none;
}

html[data-theme='dark'] .sr-theme-icon--sun {
  display: block;
}

.sr-site-footer {
  margin-top: 80px;
  padding-top: 70px;
  background: #0d2429;
  color: #eaf7f7;
}

.sr-footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.7fr 1fr;
  gap: 46px;
}

.sr-footer-logo-plate {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 168px;
  padding: 14px 18px;
  border: 1px solid rgba(33, 122, 141, 0.18);
  border-radius: 22px;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(13, 61, 72, 0.1);
}

.sr-footer-logo-plate img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 184px;
  object-fit: contain;
}

.sr-footer-brand p {
  max-width: 450px;
  color: #a8c2c3;
}

.sr-footer-email {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #d7ebeb;
  overflow-wrap: anywhere;
}

.sr-footer-links {
  display: grid;
  gap: 8px;
  color: #b8cecf;
}

.sr-newsletter-card {
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.07);
}

.sr-newsletter-card h3 {
  margin: 14px 0 8px;
}

.sr-newsletter-card p {
  color: #b8cecf;
}

.sr-footer-bottom {
  margin-top: 50px;
  padding-block: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: #9fb6b7;
  font-size: 0.8rem;
}

.sr-social-links {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
}

.sr-social-links a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #d7ebeb;
}

.sr-social-links a span {
  font-family: Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
}

@media (max-width: 1120px) {
  .sr-top-link {
    padding-inline: 6px;
    font-size: 0.74rem;
  }
}

@media (max-width: 980px) {
  .sr-logo-plate {
    width: 66px;
    height: 76px;
    border-radius: 14px;
  }

  .sr-brand-link {
    margin-inline-end: auto;
  }

  .sr-main-nav {
    position: fixed;
    top: 76px;
    inset-inline: 16px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    max-height: calc(100dvh - 92px);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 16px;
    border: 1px solid var(--sr-border);
    border-radius: 18px;
    background: var(--sr-surface-raised);
    box-shadow: var(--sr-shadow);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px) scale(0.985);
    transform-origin: top center;
    transition: opacity 0.2s ease, transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0s linear 0.28s;
  }

  .sr-main-nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
    transition-delay: 0s;
  }

  .sr-menu-button {
    display: grid;
  }

  .sr-nav-item {
    width: 100%;
  }

  .sr-top-link {
    justify-content: space-between;
    min-height: 46px;
    padding: 11px 12px;
    font-size: 0.92rem;
  }

  .sr-dropdown {
    position: static;
    display: grid;
    min-width: 0;
    max-width: none;
    max-height: 0;
    overflow: hidden;
    margin: 0 10px;
    padding: 0 0 0 10px;
    border: 0;
    border-inline-start: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-5px);
    transition: max-height 0.32s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.18s ease, transform 0.26s cubic-bezier(0.2, 0.8, 0.2, 1), margin 0.26s ease, padding 0.26s ease, border-color 0.18s ease, visibility 0s linear 0.32s;
  }

  .sr-nav-item.is-expanded > .sr-dropdown {
    max-height: 720px;
    margin: 3px 10px 10px;
    padding: 4px 0 4px 10px;
    border-inline-start-color: color-mix(in srgb, var(--sr-primary) 42%, var(--sr-border));
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition-delay: 0s;
  }

  html[dir='rtl'] .sr-dropdown,
  html[dir='rtl'] .sr-nav-item.is-expanded > .sr-dropdown {
    padding-inline: 10px 0;
  }

  .sr-child-link {
    min-height: 44px;
    padding: 9px 11px;
  }

  .sr-footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sr-newsletter-card {
    grid-column: 1 / -1;
  }
}

@media (max-width: 650px) {
  .sr-logo-plate {
    width: 58px;
    height: 68px;
    padding: 3px 6px;
  }

  .sr-footer-logo-plate {
    width: 144px;
    padding: 12px 15px;
  }

  .sr-footer-grid {
    grid-template-columns: 1fr;
  }

  .sr-newsletter-card {
    grid-column: auto;
  }

  .sr-footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}