#six-bmbrc-header,
  #six-bmbrc-header *,
  .six-overlay,
  .six-overlay * {
    box-sizing: border-box;
  }

  :root {
    --six-yellow: #feed00;
    --six-yellow-light: #fff685;
    --six-black: #000000;
    --six-dark: #171717;
    --six-dark-2: #2b2b2b;
    --six-border: rgba(0, 0, 0, 0.16);
    --six-shadow: 0 8px 26px rgba(0, 0, 0, 0.18);
  }

  #six-bmbrc-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10020;
    width: 100%;
    font-family: "Montserrat", sans-serif;
    background: linear-gradient(
      to bottom,
      var(--six-yellow-light),
      var(--six-yellow)
    );
    box-shadow: var(--six-shadow);
    transform: translateY(0);
    transition:
      transform 0.35s ease,
      background 0.25s ease,
      box-shadow 0.25s ease;
  }

  body.dark #six-bmbrc-header {
    background: linear-gradient(to bottom, #222, #333);
    box-shadow: 0 4px 12px rgba(243, 219, 0, 0.4);
  }

  #six-bmbrc-header.six-header-hidden {
    transform: translateY(-100%);
  }

  .six-bmbrc-inner {
    max-width: 1480px;
    margin: 0 auto;
    padding: 8px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
  }

  .six-bmbrc-logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
  }

  .six-logo-flip {
    position: relative;
    width: 58px;
    height: 58px;
    perspective: 1000px;
    flex-shrink: 0;
  }

  .six-logo-flip .six-logo {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: contain;
    backface-visibility: hidden;
    transition: transform 0.9s ease;
  }

  .six-logo-flip .front {
    transform: rotateY(0deg);
    z-index: 2;
  }

  .six-logo-flip .back {
    transform: rotateY(180deg);
  }

  .six-logo-flip:hover .front {
    transform: rotateY(90deg);
    z-index: 1;
  }

  .six-logo-flip:hover .back {
    transform: rotateY(0deg);
    z-index: 2;
  }

  .six-name-logo {
    height: clamp(22px, 2.4vw, 38px) !important;
    width: auto !important;
    max-width: min(34vw, 360px);
    display: block;
    object-fit: contain;
  }

  .light-img {
    display: inline-flex;
  }

  .dark-img {
    display: none;
  }

  body.dark .light-img {
    display: none;
  }

  body.dark .dark-img {
    display: inline-flex;
  }

  .six-desktop-nav {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 0;
  }

  .six-menu {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
  }

  .six-menu > li {
    position: relative;
  }

  .six-menu > li > a {
    color: #000;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.03em;
    padding: 10px 14px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    line-height: 1;
    white-space: nowrap;
    transition:
      color 0.25s ease,
      transform 0.25s ease,
      box-shadow 0.25s ease;
    position: relative;
    isolation: isolate;
    overflow: hidden;
  }

  .six-menu > li > a::before {
    content: "";
    position: absolute;
    inset: 0 -8px;
    background: #000;
    transform: skewX(-18deg) scaleX(0);
    transform-origin: left center;
    transition: transform 0.3s ease;
    z-index: -1;
  }

  body.dark .six-menu > li > a {
    color: var(--six-yellow);
  }

  body.dark .six-menu > li > a::before {
    background: var(--six-yellow);
  }

  .six-menu > li > a:hover,
  .six-menu > li > a.active {
    color: var(--six-yellow);
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.18);
  }

  .six-menu > li > a:hover::before,
  .six-menu > li > a.active::before {
    transform: skewX(-18deg) scaleX(1);
  }

  body.dark .six-menu > li > a:hover,
  body.dark .six-menu > li > a.active {
    color: #000;
    box-shadow: 0 10px 22px rgba(254, 237, 0, 0.2);
  }

  .six-menu-arrow {
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    display: inline-block;
    margin-top: -4px;
    transition:
      transform 0.25s ease,
      margin-top 0.25s ease;
    flex-shrink: 0;
  }

  .six-has-dropdown::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 14px;
  }

  .six-has-dropdown:hover > a .six-menu-arrow,
  .six-has-dropdown:focus-within > a .six-menu-arrow {
    transform: rotate(225deg);
    margin-top: 2px;
  }

  .six-submenu {
    list-style: none;
    margin: 0;
    padding: 10px 0;
    position: absolute;
    top: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 250px;
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 14px;
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.16);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: 0.25s ease;
    z-index: 10050;
    overflow: hidden;
  }

  body.dark .six-submenu {
    background: rgba(35, 35, 35, 0.88);
    border-color: rgba(254, 237, 0, 0.18);
    box-shadow: 0 18px 38px rgba(254, 237, 0, 0.12);
  }

  .six-has-dropdown:hover > .six-submenu,
  .six-has-dropdown:focus-within > .six-submenu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }

  .six-submenu a {
    display: block;
    padding: 10px 18px;
    color: #000;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
    transition:
      color 0.25s ease,
      background 0.25s ease,
      transform 0.18s ease;
    position: relative;
    overflow: hidden;
  }

  .six-submenu a::before {
    content: "";
    position: absolute;
    inset: 0;
    background: #000;
    transform: skewX(-18deg) scaleX(0);
    transform-origin: left center;
    transition: transform 0.28s ease;
    z-index: -1;
  }

  body.dark .six-submenu a {
    color: var(--six-yellow);
  }

  body.dark .six-submenu a::before {
    background: var(--six-yellow);
  }

  .six-submenu a:hover,
  .six-submenu a.six-clicked {
    color: var(--six-yellow);
    transform: translateX(5px);
  }

  .six-submenu a:hover::before,
  .six-submenu a.six-clicked::before {
    transform: skewX(-18deg) scaleX(1);
  }

  body.dark .six-submenu a:hover,
  body.dark .six-submenu a.six-clicked {
    color: #000;
  }

  .six-header-right {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
  }

  .six-toggle-container {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .six-toggle-checkbox {
    display: none;
  }

  .six-toggle-switch {
    width: 48px;
    height: 28px;
    border-radius: 999px;
    background: #000;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 7px;
    font-size: 10px;
    font-weight: 800;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }

  .six-toggle-switch::after {
    content: "";
    position: absolute;
    top: 4px;
    left: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    transition: transform 0.3s ease;
    z-index: 1;
  }

  .six-toggle-switch span {
    position: relative;
    z-index: 2;
    line-height: 1;
  }

  .six-toggle-checkbox:checked + .six-toggle-switch::after {
    transform: translateX(20px);
  }

  body.dark .six-toggle-switch {
    background: var(--six-yellow);
    color: #000;
  }

  body.dark .six-toggle-switch::after {
    background: #000;
  }

  body.dark .theme-switch span:last-child {
    color: #4da3ff;
    text-shadow: 0 0 8px rgba(77, 163, 255, 0.55);
  }

  .six-hamburger {
    width: 46px;
    height: 46px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.22);
    border-radius: 12px;
    padding: 0;
    color: #000;
    z-index: 10030;
    position: relative;
    transition: 0.25s ease;
    flex-shrink: 0;
  }

  body.dark .six-hamburger {
    color: var(--six-yellow);
    background: rgba(254, 237, 0, 0.08);
    border-color: rgba(254, 237, 0, 0.3);
  }

  .six-hamburger span,
  .six-hamburger span::before,
  .six-hamburger span::after {
    width: 24px;
    height: 3px;
    background: currentColor;
    border-radius: 4px;
    position: absolute;
    transition: 0.25s ease;
  }

  .six-hamburger span {
    position: relative;
    display: block;
  }

  .six-hamburger span::before,
  .six-hamburger span::after {
    content: "";
    left: 0;
  }

  .six-hamburger span::before {
    top: -8px;
  }

  .six-hamburger span::after {
    bottom: -8px;
  }

  body.six-menu-open .six-hamburger span {
    background: transparent;
  }

  body.six-menu-open .six-hamburger span::before {
    top: 0;
    transform: rotate(45deg);
  }

  body.six-menu-open .six-hamburger span::after {
    bottom: 0;
    transform: rotate(-45deg);
  }

  .six-overlay {
    position: fixed;
    inset: 0;
    z-index: 10010;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition:
      transform 0.35s ease,
      opacity 0.35s ease;
    background: linear-gradient(
      to bottom,
      rgba(255, 246, 133, 0.98),
      rgba(254, 237, 0, 0.98)
    );
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 110px 24px 30px;
    overflow-y: auto;
    font-family: "Montserrat", sans-serif;
  }

  body.dark .six-overlay {
    background: linear-gradient(
      to bottom,
      rgba(25, 25, 25, 0.98),
      rgba(45, 45, 45, 0.98)
    );
  }

  .six-overlay.six-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .six-overlay-nav {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
  }

  .six-overlay-menu {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .six-overlay-menu > li {
    margin-bottom: 8px;
  }

  .six-overlay-menu > li > a,
  .six-overlay-group > a {
    color: #000;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.04em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 22px;
    border-radius: 4px;
    transition:
      color 0.25s ease,
      transform 0.25s ease,
      box-shadow 0.25s ease;
    position: relative;
    isolation: isolate;
    overflow: hidden;
  }

  .six-overlay-menu > li > a::before,
  .six-overlay-group > a::before {
    content: "";
    position: absolute;
    inset: 0 -10px;
    background: #000;
    transform: skewX(-18deg) scaleX(0);
    transform-origin: left center;
    transition: transform 0.3s ease;
    z-index: -1;
  }

  body.dark .six-overlay-menu > li > a,
  body.dark .six-overlay-group > a {
    color: var(--six-yellow);
  }

  body.dark .six-overlay-menu > li > a::before,
  body.dark .six-overlay-group > a::before {
    background: var(--six-yellow);
  }

  .six-overlay-menu > li > a:hover,
  .six-overlay-group > a:hover,
  .six-overlay-menu > li > a.active,
  .six-overlay-group.six-open > a,
  .six-overlay-group > a.active {
    color: var(--six-yellow);
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.16);
  }

  .six-overlay-menu > li > a:hover::before,
  .six-overlay-group > a:hover::before,
  .six-overlay-menu > li > a.active::before,
  .six-overlay-group.six-open > a::before,
  .six-overlay-group > a.active::before {
    transform: skewX(-18deg) scaleX(1);
  }

  body.dark .six-overlay-menu > li > a:hover,
  body.dark .six-overlay-group > a:hover,
  body.dark .six-overlay-menu > li > a.active,
  body.dark .six-overlay-group.six-open > a,
  body.dark .six-overlay-group > a.active {
    color: #000;
    box-shadow: 0 10px 22px rgba(254, 237, 0, 0.18);
  }

  .six-overlay-group.six-open > a .six-menu-arrow {
    transform: rotate(225deg);
    margin-top: 2px;
  }

  .six-overlay-submenu {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition:
      max-height 0.35s ease,
      opacity 0.25s ease,
      margin-top 0.25s ease;
  }

  .six-overlay-group.six-open > .six-overlay-submenu {
    margin-top: 8px;
    max-height: 1000px;
    opacity: 1;
  }

  .six-overlay-submenu a {
    display: inline-block;
    color: #000;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    text-transform: lowercase;
    padding: 8px 18px;
    margin: 2px 0;
    border-radius: 4px;
    position: relative;
    isolation: isolate;
    overflow: hidden;
    transition:
      color 0.25s ease,
      transform 0.2s ease;
  }

  .six-overlay-submenu a::before {
    content: "";
    position: absolute;
    inset: 0 -8px;
    background: #000;
    transform: skewX(-18deg) scaleX(0);
    transform-origin: left center;
    transition: transform 0.28s ease;
    z-index: -1;
  }

  body.dark .six-overlay-submenu a {
    color: var(--six-yellow);
  }

  body.dark .six-overlay-submenu a::before {
    background: var(--six-yellow);
  }

  .six-overlay-submenu a:hover,
  .six-overlay-submenu a.active,
  .six-overlay-submenu a.six-clicked {
    color: var(--six-yellow);
    transform: translateX(4px);
  }

  .six-overlay-submenu a:hover::before,
  .six-overlay-submenu a.active::before,
  .six-overlay-submenu a.six-clicked::before {
    transform: skewX(-18deg) scaleX(1);
  }

  body.dark .six-overlay-submenu a:hover,
  body.dark .six-overlay-submenu a.active,
  body.dark .six-overlay-submenu a.six-clicked {
    color: #000;
  }

  .six-overlay-divider {
    width: min(240px, 65%);
    height: 1px;
    background: rgba(0, 0, 0, 0.35);
    margin: 32px auto 24px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 1.2s ease;
  }

  body.dark .six-overlay-divider {
    background: rgba(254, 237, 0, 0.45);
  }

  .six-overlay.six-open .six-overlay-divider {
    transform: scaleX(1);
  }

  .six-mobile-toggles {
    justify-content: center;
  }

  body {
    padding-top: 40px;
  }

  @media (max-width: 1120px) {
    body {
      padding-top: 30px;
    }
  }

  @media (max-width: 1280px) {
    .six-menu > li > a {
      font-size: 14px;
      padding: 9px 9px;
    }

    .six-logo-flip {
      width: 54px;
      height: 54px;
    }

    .six-name-logo {
      height: 30px !important;
      max-width: 300px;
    }
  }

  @media (max-width: 1120px) {
    .six-desktop-nav,
    .six-desktop-toggles {
      display: none;
    }

    .six-hamburger {
      display: inline-flex;
    }

    .six-bmbrc-inner {
      padding: 8px 16px;
    }
  }

  @media (max-width: 640px) {
    .six-overlay {
      padding: 95px 20px 24px;
    }

    .six-logo-flip {
      width: 46px;
      height: 46px;
    }

    .six-name-logo {
      height: 24px !important;
      max-width: 220px;
    }

    .six-bmbrc-logo-link {
      gap: 10px;
    }

    .six-hamburger {
      width: 42px;
      height: 42px;
    }

    .six-overlay-menu > li > a,
    .six-overlay-group > a {
      font-size: 18px;
    }
  }

  @media (max-width: 430px) {
    .six-name-logo {
      height: 20px !important;
      max-width: 170px;
    }

    .six-bmbrc-inner {
      gap: 10px;
      padding: 8px 12px;
    }
  }

  .six-overlay-submenu a {
    transition:
      color 0.25s ease,
      background 0.25s ease,
      transform 0.18s ease;
    border-radius: 999px;
  }

  .six-overlay-submenu a:hover,
  .six-overlay-submenu a.six-clicked {
    background: #000;
    color: var(--six-yellow);
    transform: translateX(4px);
  }

  body.dark .six-overlay-submenu a:hover,
  body.dark .six-overlay-submenu a.six-clicked {
    background: var(--six-yellow);
    color: #000;
  }

  /* Odstránenie focus/orámovania z menu, submenu a hamburgera */
  #six-bmbrc-header a:focus,
  #six-bmbrc-header button:focus,
  #six-bmbrc-header input:focus,
  .six-overlay a:focus,
  .six-overlay button:focus,
  .six-overlay input:focus,
  #six-bmbrc-header a:focus-visible,
  #six-bmbrc-header button:focus-visible,
  .six-overlay a:focus-visible,
  .six-overlay button:focus-visible {
    outline: none !important;
    outline-offset: 0 !important;
    box-shadow: none !important;
  }

  #six-bmbrc-header .six-hamburger,
  #six-bmbrc-header .six-hamburger:hover,
  #six-bmbrc-header .six-hamburger:focus,
  body.six-menu-open #six-bmbrc-header .six-hamburger {
    background: #000 !important;
    border-color: #000 !important;
    color: var(--six-yellow) !important;
    box-shadow: none !important;
  }

  body.dark #six-bmbrc-header .six-hamburger,
  body.dark #six-bmbrc-header .six-hamburger:hover,
  body.dark #six-bmbrc-header .six-hamburger:focus,
  body.dark.six-menu-open #six-bmbrc-header .six-hamburger {
    background: var(--six-yellow) !important;
    border-color: var(--six-yellow) !important;
    color: #000 !important;
  }

  #six-bmbrc-header .six-hamburger::before,
  #six-bmbrc-header .six-hamburger::after {
    display: none !important;
    content: none !important;
  }

  /* Readable expanded groups in the hamburger menu. */
  .six-overlay-group.six-open > .six-overlay-submenu {
    width: min(340px, calc(100% - 24px));
    margin: 12px auto 14px;
    padding: 6px 8px;
    border-left: 3px solid #000;
    border-radius: 0 14px 14px 0;
    background: rgba(0, 0, 0, .045);
    text-align: left;
  }
  body.dark .six-overlay-group.six-open > .six-overlay-submenu {
    border-left-color: var(--six-yellow);
    background: rgba(254, 237, 0, .06);
  }
  .six-overlay .six-overlay-submenu a {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 44px;
    margin: 2px 0;
    padding: 10px 14px;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: .01em;
    text-transform: none;
    text-align: left;
    border-radius: 10px;
    overflow-wrap: anywhere;
  }