.shell {
  width: var(--shell);
  margin: 0 auto;
  box-sizing: border-box;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(251, 254, 255, 0.94);
  border-bottom: 1px solid rgba(13, 76, 136, 0.1);
  box-shadow: 0 10px 34px rgba(14, 34, 56, 0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 0;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.site-brand__logo {
  width: 92px;
  height: 92px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(183, 216, 20, 0.18), rgba(28, 90, 150, 0.08));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px;
  flex: 0 0 auto;
  border: 1px solid rgba(13, 76, 136, 0.08);
  box-shadow: 0 18px 42px rgba(14, 34, 56, 0.08);
}

.site-brand__logo-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.site-brand__name {
  display: block;
  max-width: 190px;
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
  color: var(--navy-950);
}

.site-navigation {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: 1;
  justify-content: flex-end;
}

.primary-menu {
  display: flex;
  align-items: center;
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-menu a,
.primary-menu button {
  border: 0;
  background: transparent;
  color: var(--slate-700);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
}

.primary-menu > .menu-item {
  position: relative;
}

.primary-menu .menu-parent {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.primary-menu .menu-parent::after {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
}

.primary-menu .sub-menu {
  position: absolute;
  top: calc(100% + 18px);
  left: 0;
  width: min(760px, calc(100vw - 80px));
  min-width: 560px;
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 12px;
  padding: 18px;
  margin: 0;
  list-style: none;
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.97), rgba(223, 232, 239, 0.94)),
    radial-gradient(circle at right top, rgba(183, 216, 20, 0.16), transparent 26%);
  border: 1px solid rgba(13, 76, 136, 0.08);
  box-shadow: 0 24px 60px rgba(14, 34, 56, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
}

.primary-menu > .menu-item-has-children:nth-last-child(-n+2) > .sub-menu {
  left: auto;
  right: 0;
}

.primary-menu > .menu-item-has-children:hover > .sub-menu,
.primary-menu > .menu-item-has-children:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.primary-menu .sub-menu a {
  display: block;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--navy-950);
  font-weight: 700;
}

.primary-menu .sub-menu a:hover {
  background: rgba(183, 216, 20, 0.16);
  color: var(--brand-blue-900);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 1px solid rgba(13, 76, 136, 0.12);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.86);
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--navy-950);
}

.site-footer {
  background:
    radial-gradient(circle at left top, rgba(183, 216, 20, 0.08), transparent 22%),
    linear-gradient(135deg, #112944 0%, #0d2137 48%, #081725 100%);
  color: rgba(255, 255, 255, 0.82);
}

.site-footer__top {
  display: grid;
  grid-template-columns: minmax(260px, 0.95fr) minmax(0, 1.35fr);
  gap: 56px;
  padding: 72px 0 46px;
}

.site-footer__brand-card {
  width: 214px;
  padding: 18px 22px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 20px 44px rgba(3, 10, 20, 0.24);
  margin-bottom: 24px;
}

.site-footer__brand-logo img {
  width: 100%;
  height: 78px;
  object-fit: contain;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 36px 54px;
}

.footer-title {
  margin: 0 0 18px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-title::after {
  content: "";
  display: block;
  width: 52px;
  height: 3px;
  margin-top: 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, #ffcc70, var(--brand-lime-500));
}

.footer-copy,
.footer-links a {
  color: rgba(255, 255, 255, 0.82);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li + li {
  margin-top: 12px;
}

.site-footer__bottom {
  padding: 24px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.92rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.62);
}

.floating-actions {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  display: grid;
  gap: 10px;
}

.floating-actions a {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--white);
  background: linear-gradient(135deg, var(--brand-blue-700), var(--brand-lime-700));
  box-shadow: 0 18px 44px rgba(13, 76, 136, 0.22);
  font-weight: 900;
}

@media (max-width: 980px) {
  .site-footer__top,
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header__inner {
    padding: 10px 0;
    gap: 12px;
  }

  .site-brand {
    max-width: calc(100% - 60px);
  }

  .site-brand__logo {
    width: 76px;
    height: 76px;
    border-radius: 18px;
  }

  .site-brand__name {
    font-size: 0.98rem;
    max-width: 180px;
  }

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

  .site-navigation {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0 20px 20px;
    background: rgba(251, 254, 255, 0.98);
    border-bottom: 1px solid rgba(13, 76, 136, 0.08);
    max-height: calc(100vh - 98px);
    overflow-y: auto;
  }

  .site-navigation.is-open {
    display: flex;
  }

  .primary-menu {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 0 10px;
  }

  .primary-menu > li,
  .primary-menu > li > a,
  .primary-menu > li > button,
  .primary-menu .sub-menu a {
    width: 100%;
    text-align: left;
  }

  .primary-menu .sub-menu {
    position: static;
    min-width: 100%;
    width: 100%;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 8px 0 0 14px;
    border: 0;
    box-shadow: none;
    background: transparent;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .primary-menu .menu-item-has-children.is-open > .sub-menu {
    display: grid;
  }

  .primary-menu .sub-menu a {
    padding: 9px 0;
    background: transparent;
  }

  .floating-actions {
    right: 12px;
    bottom: 12px;
  }
}