.site-header__inner {
  position: relative;
}

.site-dynamic-menu {
  align-items: center;
}

.site-dynamic-menu a,
.site-dynamic-menu button {
  outline-offset: 4px;
}

.site-mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(148, 163, 184, .32);
  border-radius: 12px;
  background: rgba(255, 255, 255, .95);
  color: #0f172a;
  cursor: pointer;
}

.site-mobile-menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.site-mobile-menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-mobile-menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.site-mobile-menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-menu-item {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 48px;
}

.site-menu-item::after {
  position: fixed;
  top: 52px;
  left: 0;
  right: 0;
  height: 36px;
  content: "";
  pointer-events: none;
}

.site-menu-mega:hover::after,
.site-menu-mega:focus-within::after,
.site-menu-mega.is-open::after {
  pointer-events: auto;
}

.site-menu-primary {
  padding-right: 4px;
}

.site-menu-toggle {
  width: 26px;
  height: 26px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.site-menu-toggle::after {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-3px) rotate(45deg);
}

.site-menu-mega:hover .site-mega-panel,
.site-menu-mega:focus-within .site-mega-panel,
.site-menu-mega.is-open .site-mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%);
  pointer-events: auto;
}

.site-mega-panel {
  position: fixed;
  top: 82px;
  left: 50%;
  right: auto;
  z-index: 300;

  display: grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap: 18px;

  width: min(1180px, calc(100vw - 32px));
  min-height: 350px;
  overflow-y: auto;

  padding: 24px;
  border: 1px solid rgba(148, 163, 184, .32);
  border-radius: 18px;
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 24px 70px rgba(15, 23, 42, .18);

  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%);
  pointer-events: none;

  transition: opacity .18s ease, visibility .18s ease;
}

.site-mega-heading {
  margin: 0 0 10px;
  color: #64748b;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.site-mega-link {
  display: block;
  padding: 11px 12px;
  border-radius: 12px;
  color: #0f172a;
  text-decoration: none;
}

.site-mega-link:hover,
.site-mega-link:focus {
  background: #eef4ff;
  color: #1d4ed8;
}

.site-mega-link span {
  display: block;
  font-weight: 900;
}

.site-mega-link small {
  display: block;
  margin-top: 3px;
  color: #64748b;
  font-size: 12px;
  line-height: 1.45;
}

.site-mega-panel--fitness-research {
  grid-template-columns: 124px minmax(0, 1fr);
  align-items: stretch;
  gap: 18px;
  background:
    radial-gradient(circle at 10% 0%, rgba(132, 204, 22, .22), transparent 30%),
    linear-gradient(135deg, #07120d 0%, #0f1f18 52%, #14251e 100%);
  color: #f8fafc;
}

.site-fitness-source-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 210px;
  padding: 14px;
  border: 1px solid rgba(190, 242, 100, .26);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .10), rgba(255, 255, 255, .04)),
    rgba(15, 23, 42, .38);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .05);
}

.site-fitness-source-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  margin-bottom: 12px;
  padding: 10px;
  border-radius: 14px;
  background: rgba(255, 255, 255, .08);
}

.site-fitness-source-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 12px;
  border: 1px solid rgba(190, 242, 100, .42);
  border-radius: 14px;
  background:
    radial-gradient(circle at 35% 30%, rgba(217, 249, 157, .9), rgba(132, 204, 22, .82) 42%, rgba(22, 101, 52, .72));
  color: #052e16;
  font-size: 13px;
  font-weight: 950;
  letter-spacing: .04em;
}

.site-fitness-source-card strong {
  color: #f7fee7;
  font-size: 14px;
  line-height: 1.2;
}

.site-fitness-source-card small {
  margin-top: 5px;
  color: #bef264;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.site-fitness-source-card p {
  margin: 10px 0 0;
  color: rgba(240, 253, 244, .76);
  font-size: 12px;
  line-height: 1.45;
}

.site-fitness-menu-content {
  min-width: 0;
  padding: 4px 0 2px;
}

.site-fitness-menu-content .site-mega-heading {
  color: #bef264;
}

.site-fitness-menu-content h3 {
  margin: 0 0 14px;
  color: #fff;
  font-family: Archivo, Poppins, sans-serif;
  font-size: 20px;
  line-height: 1.1;
}

.site-fitness-link-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px 10px;
  padding-top: 12px;
  border-top: 1px solid rgba(190, 242, 100, .18);
}

.site-fitness-menu-link {
  display: block;
  min-width: 0;
  padding: 8px 9px;
  border: 1px solid rgba(148, 163, 184, .18);
  border-radius: 10px;
  background: rgba(255, 255, 255, .045);
  color: rgba(248, 250, 252, .92);
  font-size: 12px;
  font-weight: 820;
  line-height: 1.25;
  text-decoration: none;
}

.site-fitness-menu-link:hover,
.site-fitness-menu-link:focus {
  border-color: rgba(190, 242, 100, .55);
  background: rgba(132, 204, 22, .14);
  color: #f7fee7;
}

.site-fitness-menu-cta {
  display: inline-flex;
  margin-top: 14px;
  color: #bef264;
  font-size: 13px;
  font-weight: 950;
  text-decoration: none;
}

.site-fitness-menu-cta:hover,
.site-fitness-menu-cta:focus {
  color: #ecfccb;
  text-decoration: underline;
}

@media (max-width: 900px) {
  html,
  body {
    overflow-x: hidden;
  }

  .site-header__inner {
    flex-wrap: wrap;
  }

  .site-mobile-menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-dynamic-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    z-index: 280;
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 100%;
    max-height: calc(100vh - 96px);
    overflow-x: hidden;
    overflow-y: auto;
    box-sizing: border-box;
    padding: 14px;
    border: 1px solid rgba(148, 163, 184, .24);
    border-radius: 16px;
    background: #ffffff;
    box-shadow: 0 22px 56px rgba(15, 23, 42, .22);
  }

  .site-dynamic-menu.is-mobile-open {
    display: flex;
  }

  .site-dynamic-menu > a,
  .site-menu-primary {
    display: flex;
    align-items: center;
    min-height: 44px;
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    border-radius: 10px;
    color: #0f172a;
    font-weight: 750;
    text-decoration: none;
  }

  .site-dynamic-menu > a:hover,
  .site-dynamic-menu > a:focus,
  .site-menu-primary:hover,
  .site-menu-primary:focus {
    background: #f1f5f9;
    color: #0f172a;
  }

  .site-menu-item {
    display: grid;
    grid-template-columns: 1fr auto;
    width: 100%;
    max-width: 100%;
    min-height: 0;
    min-width: 0;
    box-sizing: border-box;
    border-bottom: 1px solid rgba(148, 163, 184, .16);
  }

  .site-menu-item:last-child {
    border-bottom: 0;
  }

  .site-menu-item::after {
    display: none;
  }

  .site-menu-toggle {
    align-self: center;
    color: #0f172a;
  }

  .site-mega-panel {
    position: static;
    grid-column: 1 / -1;
    grid-template-columns: 1fr;
    min-width: 0;
    width: 100%;
    max-width: 100%;
    min-height: 0;
    max-height: 0;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    overflow: hidden;
    transform: none;
    pointer-events: auto;
    background: #f8fafc;
    transition: max-height .2s ease, padding .2s ease;
  }

  .site-menu-mega:hover .site-mega-panel,
  .site-menu-mega:focus-within .site-mega-panel {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
  }

  .site-menu-mega.is-open .site-mega-panel {
    max-height: 1200px;
    padding: 12px 0 14px;
    overflow-y: auto;
  }

  .site-mega-column {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }

  .site-mega-link {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    color: #0f172a;
  }

  .site-mega-link:hover,
  .site-mega-link:focus {
    background: transparent;
  }

  .site-mega-panel--fitness-research {
    grid-template-columns: 1fr;
    background:
      radial-gradient(circle at 8% 0%, rgba(132, 204, 22, .20), transparent 28%),
      linear-gradient(135deg, #07120d 0%, #10231a 100%);
  }

  .site-fitness-source-card {
    min-height: 0;
    width: 100%;
    box-sizing: border-box;
  }

  .site-fitness-menu-content {
    width: 100%;
    min-width: 0;
  }

  .site-fitness-link-grid {
    grid-template-columns: 1fr;
  }

  .site-fitness-menu-link {
    width: 100%;
    box-sizing: border-box;
  }
}

@media (max-width: 900px) {
  .site-dynamic-menu,
  .site-dynamic-menu * {
    box-sizing: border-box;
  }

  .site-dynamic-menu {
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  .publication-home .site-dynamic-menu > a,
  .publication-home .site-menu-primary,
  .publication-home .site-mega-link,
  .site-dynamic-menu > a,
  .site-menu-primary,
  .site-mega-link {
    color: #0f172a !important;
  }

  .publication-home .site-menu-toggle,
  .site-menu-toggle {
    color: #0f172a !important;
  }

  .site-menu-item,
  .site-mega-panel,
  .site-mega-column,
  .site-mega-link,
  .site-fitness-source-card,
  .site-fitness-menu-content,
  .site-fitness-link-grid,
  .site-fitness-menu-link {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .site-mega-panel {
    position: static;
    left: auto;
    right: auto;
    transform: none !important;
    grid-column: 1 / -1;
    justify-self: stretch;
    margin-left: 0;
    margin-right: 0;
    padding-left: 0;
    padding-right: 0;
  }

  .site-mega-panel--fitness-research {
    grid-template-columns: 1fr !important;
  }

  .site-mega-panel--fitness-research .site-fitness-source-image {
    display: none;
  }

  .publication-home .site-mega-panel--fitness-research,
  .publication-home .site-mega-panel--fitness-research .site-fitness-source-card,
  .publication-home .site-mega-panel--fitness-research .site-fitness-menu-link,
  .publication-home .site-mega-panel--fitness-research .site-fitness-menu-cta,
  .site-mega-panel--fitness-research,
  .site-mega-panel--fitness-research .site-fitness-source-card,
  .site-mega-panel--fitness-research .site-fitness-menu-link,
  .site-mega-panel--fitness-research .site-fitness-menu-cta {
    color: #f8fafc !important;
  }

  .site-menu-mega.is-open .site-mega-panel {
    max-height: none;
    overflow: visible;
  }
}

@media (min-width: 901px) {
  .publication-home .site-dynamic-menu > a,
  .publication-home .site-menu-primary {
    color: #111827 !important;
  }

  .publication-home .site-dynamic-menu > a:hover,
  .publication-home .site-dynamic-menu > a:focus-visible,
  .publication-home .site-menu-primary:hover,
  .publication-home .site-menu-primary:focus-visible {
    color: var(--home-red, #ef3340) !important;
  }
}