/* Gemeinsamer kompakter Glas-Header für alle produktiven Seiten. */
.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  padding-block: 10px;
  border: 0;
  background: rgb(250 252 249 / 76%);
  box-shadow: none;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.site-header.scrolled {
  border: 0;
  box-shadow: none;
}

.site-header .nav {
  width: min(1392px, calc(100% - 48px));
  min-height: 78px;
  display: flex;
  grid-template: none;
  grid-template-areas: none;
  align-items: center;
  gap: 28px;
  margin-inline: auto;
  padding: 0 22px;
  border: 1px solid rgb(255 255 255 / 88%);
  border-radius: 22px;
  background: rgb(255 255 255 / 84%);
  box-shadow: 0 8px 28px rgb(31 62 55 / 6%), inset 0 1px white;
}

.site-header.scrolled .nav {
  box-shadow: 0 12px 36px rgb(31 62 55 / 10%), inset 0 1px white;
}

.site-header .brand-lockup {
  display: flex;
  grid-area: auto;
  align-items: center;
  gap: 15px;
  flex-shrink: 0;
}

.site-header .brand-lockup .commeco-logo {
  width: 170px;
  height: auto;
}

.site-header .brand-lockup .kuhn-logo {
  width: 66px;
  height: auto;
  object-fit: contain;
}

.site-header .brand-divider {
  width: 1px;
  height: 30px;
  background: var(--line);
}

.site-header .nav-links {
  position: static;
  min-height: 0;
  display: flex;
  grid-area: auto;
  align-items: center;
  justify-content: flex-start;
  gap: 25px;
  margin-left: auto;
  padding: 0;
  border: 0;
  font-size: .93rem;
  font-weight: 700;
}

.site-header .nav-links > a:not(.btn),
.site-header .nav-item > a {
  position: relative;
  display: block;
  padding: 17px 0;
  border: 0;
  border-radius: 9px;
  color: inherit;
  font-size: inherit;
  white-space: nowrap;
  transition: color .22s ease, background-color .22s ease, box-shadow .22s ease, transform .22s ease;
}

@media (hover: hover) and (pointer: fine) {
  .site-header .nav-links > a:not(.btn):hover,
  .site-header .nav-item:hover > a {
    color: var(--green-dark);
    background: linear-gradient(135deg, rgb(234 246 227 / 88%), rgb(244 250 241 / 72%));
    box-shadow: 0 0 0 8px rgb(240 247 236 / 72%), 0 10px 24px rgb(47 92 53 / 10%);
    transform: translateY(-2px);
  }
}

.site-header .nav-links > a:not(.btn):focus-visible,
.site-header .nav-item > a:focus-visible {
  color: var(--green-dark);
  background: linear-gradient(135deg, rgb(234 246 227 / 88%), rgb(244 250 241 / 72%));
  box-shadow: 0 0 0 5px rgb(104 191 69 / 14%), 0 10px 24px rgb(47 92 53 / 10%);
  transform: translateY(-2px);
}

.site-header .nav-links > a:not(.btn)::after {
  content: none;
}

.site-header .nav-links .active,
.site-header .nav-item > .active {
  color: var(--green);
}

.site-header .nav-item {
  position: relative;
}

.site-header .has-submenu > a::before {
  content: none;
  display: none;
}

.site-header .nav-item > a::after {
  content: "⌄";
  position: static;
  display: inline-block;
  width: auto;
  height: auto;
  margin-left: 6px;
  background: none;
  font-size: .8rem;
  transform: none;
  transform-origin: center;
  transition: transform .22s ease;
}

@media (hover: hover) and (pointer: fine) {
  .site-header .nav-item:hover > a::after,
  .site-header .nav-item:focus-within > a::after {
    transform: translateY(1px) rotate(180deg);
  }
}

.site-header .submenu {
  position: absolute;
  top: calc(100% + 9px);
  right: auto;
  left: 50%;
  min-width: 238px;
  padding: 9px;
  border: 1px solid rgb(255 255 255 / 88%);
  border-radius: 14px;
  background: #fcfefb;
  box-shadow: 0 24px 64px rgb(29 66 61 / 10%), inset 0 1px 0 white;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, -6px);
  transition: opacity .18s ease, transform .18s ease, visibility 0s linear .18s;
}

.site-header .submenu::before {
  content: "";
  position: absolute;
  inset: -20px 0 100%;
}

.site-header .submenu a {
  display: block;
  padding: 10px;
  border: 0;
  border-radius: 8px;
}

.site-header .submenu a:hover {
  background: var(--soft);
}

.site-header .nav-item:hover .submenu,
.site-header .nav-item:focus-within .submenu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
  transition-delay: 0s;
}

.site-header .nav-links > .btn {
  min-height: 44px;
  display: inline-flex;
  margin: 0 0 0 5px;
  padding: 11px 18px;
  border: 1px solid rgb(47 116 27 / 32%);
  border-radius: 13px;
  color: #fff;
  background: #367c20 linear-gradient(140deg, #468f2d, #2f741b);
  box-shadow: 0 9px 22px rgb(54 124 32 / 18%), inset 0 1px rgb(255 255 255 / 22%);
  font-size: .94rem;
  font-weight: 800;
  line-height: 1.5;
  white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}

.site-header .nav-links > .btn:hover {
  color: #fff;
  filter: brightness(.94);
  box-shadow: 0 13px 28px rgb(54 124 32 / 24%), inset 0 1px rgb(255 255 255 / 22%);
  transform: translateY(-2px);
}

.site-header .menu-btn {
  display: none;
}

@media (max-width: 1180px) {
  .site-header {
    padding-block: 10px;
  }

  .site-header .nav {
    position: relative;
    width: min(1392px, calc(100% - 48px));
    min-height: 70px;
    display: flex;
    gap: 18px;
    padding: 0 18px;
  }

  .site-header .menu-btn,
  .js .site-header .menu-btn {
    width: 46px;
    height: 44px;
    display: grid;
    place-items: center;
    margin-left: auto;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: #fff;
    color: var(--ink);
  }

  .site-header .menu-btn span,
  .site-header .menu-btn span::before,
  .site-header .menu-btn span::after {
    position: relative;
    width: 20px;
    height: 2px;
    display: block;
    background: currentColor;
    transition: transform .18s;
  }

  .site-header .menu-btn span::before,
  .site-header .menu-btn span::after {
    content: "";
    position: absolute;
  }

  .site-header .menu-btn span::before { top: -6px; }
  .site-header .menu-btn span::after { top: 6px; }
  .site-header .menu-btn[aria-expanded="true"] span { background: transparent; }
  .site-header .menu-btn[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
  .site-header .menu-btn[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

  .site-header .nav-links,
  .js body:not(.menu-open) .site-header .nav-links {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    max-height: calc(100dvh - 100px);
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 18px 32px 30px;
    overflow-y: auto;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0 0 22px 22px;
    background: #fff;
    box-shadow: var(--shadow);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }

  .site-header .nav-links.open,
  .js body.menu-open .site-header .nav-links {
    display: flex;
  }

  html:not(.js) .site-header .nav-links {
    position: static;
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    padding: 12px 0;
    box-shadow: none;
  }

  .site-header .nav-links > a:not(.btn),
  .site-header .nav-item > a {
    display: block;
    padding: 12px 0;
  }

  .site-header .nav-item > a::after {
    display: none;
  }

  .site-header .submenu {
    position: static;
    min-width: 0;
    display: block;
    padding: 0 0 6px 18px;
    border: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    transition: none;
  }

  .site-header .nav-item:hover .submenu,
  .site-header .nav-item:focus-within .submenu {
    transform: none;
  }

  .site-header .submenu::before {
    display: none;
  }

  .site-header .submenu a {
    padding: 10px;
    border-left: 2px solid #d5e7cc;
    border-radius: 0;
  }

  .site-header .nav-links > .btn {
    align-self: flex-start;
    display: inline-flex;
    margin: 14px 0 0;
  }
}

@media (max-width: 520px) {
  .site-header {
    padding-block: 7px;
  }

  .site-header .nav {
    width: calc(100% - 32px);
    min-height: 68px;
    padding-inline: 10px;
    border-radius: 17px;
  }

  .site-header .brand-lockup {
    gap: 8px;
  }

  .site-header .brand-lockup .commeco-logo {
    width: 122px;
  }

  .site-header .brand-lockup .kuhn-logo {
    width: 44px;
  }

  .site-header .brand-divider {
    height: 24px;
  }

  .site-header .nav-links {
    padding-inline: 22px;
  }
}

@media print {
  .site-header { display: none; }
}