/* Floating Island Navigation — fragCihan
   Farben: #f5f5f7, #1d1d1f, #0071e3, Weiß/Glass.
   Keine Layout-Overrides außerhalb der Navigation. */

.island-header {
  position: fixed;
  inset-inline: 0;
  top: 1rem;
  z-index: 1000;
  display: flex;
  justify-content: center;
  pointer-events: none;
  padding-inline: 1rem;
}

.island-nav {
  position: relative;
  z-index: 1002;
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-width: min(92vw, 18rem);
  min-height: 3.5rem;
  padding: 0.45rem 0.5rem 0.45rem 0.75rem;
  border: 1px solid rgba(29, 29, 31, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  transform: translateZ(0);
}

.island-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 2.55rem;
  padding-inline: 0.75rem 0.95rem;
  border-radius: 999px;
  color: #1d1d1f;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  transition: transform 500ms cubic-bezier(0.22, 1, 0.36, 1), background-color 300ms ease;
}

.island-brand:hover {
  background: rgba(245, 245, 247, 0.8);
  transform: scale(1.02);
}

.island-brand-dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 999px;
  background: #0071e3;
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.14);
}

.island-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.65rem;
  height: 2.65rem;
  border: 0;
  border-radius: 999px;
  background: #1d1d1f;
  color: #ffffff;
  cursor: pointer;
  transition: transform 500ms cubic-bezier(0.22, 1, 0.36, 1), background-color 300ms ease;
}

.island-menu-btn:hover { transform: scale(1.02); background: #2b2b2f; }
.island-menu-btn:focus-visible { outline: 3px solid rgba(0, 113, 227, 0.35); outline-offset: 3px; }

.island-menu-icon {
  position: relative;
  width: 1rem;
  height: 0.75rem;
  display: block;
}

.island-menu-line {
  position: absolute;
  left: 0;
  width: 1rem;
  height: 1.5px;
  border-radius: 999px;
  background: currentColor;
  transform-origin: center;
}
.island-menu-line-top { top: 0; }
.island-menu-line-middle { top: 50%; transform: translateY(-50%); opacity: 1; }
.island-menu-line-bottom { bottom: 0; }

.island-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  visibility: hidden;
}

.island-menu-overlay.is-open {
  pointer-events: auto;
  visibility: visible;
}

.island-menu-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(245, 245, 247, 0.42);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
}

.island-menu-panel {
  position: absolute;
  top: 5.15rem;
  left: 50%;
  width: min(92vw, 30rem);
  max-height: calc(100vh - 6.25rem);
  max-height: calc(100dvh - 6.25rem);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
  scrollbar-gutter: stable;
  transform: translateX(-50%);
  border: 1px solid rgba(29, 29, 31, 0.08);
  border-radius: 2rem;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  padding: 0.55rem;
  opacity: 0;
}

.island-menu-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1rem 0.8rem;
}

.island-menu-eyebrow {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #86868b;
}

.island-menu-title {
  margin-top: 0.3rem;
  color: #1d1d1f;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.035em;
}

.island-menu-contact {
  flex-shrink: 0;
  display: inline-flex;
  min-height: 2.35rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #0071e3;
  color: #fff;
  padding-inline: 1rem;
  font-size: 0.78rem;
  font-weight: 750;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(0, 113, 227, 0.22);
  transition: transform 500ms cubic-bezier(0.22, 1, 0.36, 1), background-color 300ms ease;
}
.island-menu-contact:hover { background: #0077ed; transform: scale(1.02); }

.island-menu-links {
  display: grid;
  gap: 0.25rem;
}

.island-menu-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.35rem;
  padding: 0.95rem 1rem;
  border-radius: 1.35rem;
  color: rgba(29, 29, 31, 0.72);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 720;
  letter-spacing: -0.035em;
  transition: color 300ms ease, background-color 300ms ease, transform 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

.island-menu-link:hover,
.island-menu-link.is-active {
  color: #0071e3;
  background: #f5f5f7;
}

.island-menu-link:hover { transform: scale(1.01); }

.island-menu-link:focus-visible {
  outline: 3px solid rgba(0, 113, 227, 0.22);
  outline-offset: -3px;
}

.island-link-num {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: rgba(134, 134, 139, 0.78);
}
.island-menu-link:hover .island-link-num,
.island-menu-link.is-active .island-link-num { color: #0071e3; }

.island-menu-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  padding: 0.85rem 1rem 1rem;
  font-size: 0.82rem;
  font-weight: 650;
  color: #86868b;
}
.island-menu-footer a { color: #1d1d1f; text-decoration: none; }
.island-menu-footer a:hover { color: #0071e3; }

html.island-nav-open,
body.island-nav-open {
  overflow: hidden;
  overscroll-behavior: none;
}

.island-menu-panel::-webkit-scrollbar {
  width: 10px;
}

.island-menu-panel::-webkit-scrollbar-track {
  background: transparent;
}

.island-menu-panel::-webkit-scrollbar-thumb {
  border: 3px solid rgba(255, 255, 255, 0.88);
  border-radius: 999px;
  background: rgba(29, 29, 31, 0.16);
}

@supports (height: 100svh) {
  .island-menu-panel {
    max-height: calc(100svh - 6.25rem);
  }
}

@media (max-width: 640px) {
  .island-header {
    top: max(0.75rem, env(safe-area-inset-top));
  }

  .island-menu-panel {
    top: calc(max(0.75rem, env(safe-area-inset-top)) + 4.55rem);
    width: min(94vw, 30rem);
    max-height: calc(100svh - max(0.75rem, env(safe-area-inset-top)) - 5.25rem);
    border-radius: 1.65rem;
  }

  .island-menu-links {
    padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
  }
}

@media (hover: none), (pointer: coarse) {
  .island-menu-panel {
    scrollbar-width: none;
  }

  .island-menu-panel::-webkit-scrollbar {
    width: 0;
    height: 0;
  }
}

@media (min-width: 768px) {
  .island-nav { min-width: min(92vw, 21rem); }
  .island-menu-panel { width: min(88vw, 34rem); }
  .island-menu-link { font-size: 1.08rem; }
}

@media (hover: none), (pointer: coarse) {
  .island-brand:hover,
  .island-menu-btn:hover,
  .island-menu-contact:hover,
  .island-menu-link:hover { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .island-brand,
  .island-menu-btn,
  .island-menu-contact,
  .island-menu-link { transition: none !important; }
}

/* Island Navigation — curated accordion structure */
.island-menu-group {
  display: grid;
  gap: 0.25rem;
}

.island-menu-toggle {
  width: 100%;
  border: 0;
  background: transparent;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
}

.island-menu-toggle[aria-expanded="true"] {
  color: #0071e3;
  background: #f5f5f7;
}

.island-plus {
  position: relative;
  flex: 0 0 auto;
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 999px;
  background: rgba(0, 113, 227, 0.10);
  transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1), background-color 300ms ease;
}

.island-plus::before,
.island-plus::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.72rem;
  height: 1.8px;
  border-radius: 999px;
  background: #0071e3;
  transform: translate(-50%, -50%);
}

.island-plus::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1), opacity 220ms ease;
}

.island-menu-toggle[aria-expanded="true"] .island-plus {
  background: rgba(0, 113, 227, 0.16);
  transform: rotate(180deg);
}

.island-menu-toggle[aria-expanded="true"] .island-plus::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(0deg);
}

.island-submenu {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35rem;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  padding-inline: 0.35rem;
  transition: max-height 420ms cubic-bezier(0.22, 1, 0.36, 1), opacity 260ms ease, padding 260ms ease;
}

.island-menu-group.is-open .island-submenu {
  max-height: 16rem;
  opacity: 1;
  padding-block: 0.25rem 0.55rem;
}

.island-submenu-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.7rem;
  padding: 0.72rem 0.85rem;
  border-radius: 1.05rem;
  background: rgba(245, 245, 247, 0.72);
  color: rgba(29, 29, 31, 0.72);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 720;
  letter-spacing: -0.03em;
  transition: color 300ms ease, background-color 300ms ease, transform 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

.island-submenu-link:hover,
.island-submenu-link.is-active {
  color: #0071e3;
  background: rgba(0, 113, 227, 0.09);
}

.island-submenu-link:hover {
  transform: scale(1.01);
}

.island-submenu-link:focus-visible {
  outline: 3px solid rgba(0, 113, 227, 0.22);
  outline-offset: -3px;
}

@media (max-width: 420px) {
  .island-submenu {
    grid-template-columns: 1fr;
  }
}

@media (hover: none), (pointer: coarse) {
  .island-menu-toggle:hover,
  .island-submenu-link:hover { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .island-plus,
  .island-plus::after,
  .island-submenu,
  .island-submenu-link { transition: none !important; }
}

/* Fix: keep submenu plus icons aligned at the right edge even when a number is present */
.island-menu-toggle {
  gap: 0.85rem;
}

.island-menu-toggle > span:first-child {
  margin-right: auto;
}

.island-menu-toggle .island-link-num {
  flex: 0 0 auto;
}

.island-menu-toggle .island-plus {
  flex: 0 0 auto;
  margin-left: 0.1rem;
}