/* Navigationsleiste „Glas“ (Quelle: tools/leiste/leiste.py). Schwebende Glasleiste, Menüs für Projekte und Blog, am Handy ein Menü mit Unterseiten. */
.gnav, .gnav-m {
  --gnav-glass: hsla(262, 40%, 8%, 0.58);
  --gnav-glass-strong: hsla(262, 45%, 6%, 0.9);
  --gnav-line: hsla(0, 0%, 100%, 0.1);
  --gnav-ease: cubic-bezier(0.23, 1, 0.32, 1);
  --gnav-ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);
  --gnav-top: max(14px, env(safe-area-inset-top, 0px));
}
.gnav { position: fixed; z-index: 100; top: var(--gnav-top); left: 0; right: 0; width: min(var(--container, 1280px), calc(100% - 28px)); margin: 0 auto; font-family: var(--font-sans); }
.gnav a, .gnav-m a { color: inherit; text-decoration: none; }
.gnav button, .gnav-m button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
.gnav a, .gnav button, .gnav-m a, .gnav-m button { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
.gnav :focus-visible, .gnav-m :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 10px; }

.gnav-bar { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 18px; height: 68px; padding: 0 10px 0 20px; border-radius: 22px; border: 1px solid var(--gnav-line); background: var(--gnav-glass); -webkit-backdrop-filter: blur(24px) saturate(1.6); backdrop-filter: blur(24px) saturate(1.6); box-shadow: inset 0 1px 0 hsla(0, 0%, 100%, 0.08), 0 20px 50px rgba(0, 0, 0, 0.45), 0 4px 14px rgba(0, 0, 0, 0.25); isolation: isolate; }
.gnav-bar::before { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none; background: linear-gradient(104deg, hsla(0, 0%, 100%, 0.07), transparent 28% 72%, hsla(121, 95%, 76%, 0.05)); }
.gnav-brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 17px; letter-spacing: -0.01em; white-space: nowrap; color: var(--fg); }
.gnav-brand img { width: 28px; height: 28px; border-radius: 7px; display: block; }
.gnav-links { display: flex; align-items: center; gap: clamp(14px, 2.2vw, 30px); }
.gnav-links > a, .gnav-links > button { position: relative; display: inline-flex; align-items: center; gap: 6px; min-height: 44px; font-size: 14.5px; color: var(--fg-dim); transition: color 160ms ease; }
.gnav-links > button[aria-expanded="true"], .gnav-links > [data-current] { color: var(--fg); }
.gnav-links > [data-current]::after { content: ""; position: absolute; left: 50%; bottom: 6px; width: 4px; height: 4px; margin-left: -6px; border-radius: 50%; background: var(--accent); }
.gnav-chev { width: 10px; height: 10px; flex: none; transition: transform 200ms var(--gnav-ease); }
[aria-expanded="true"] > .gnav-chev { transform: rotate(180deg); }
.gnav-right { display: flex; align-items: center; gap: 8px; }
.gnav-cta { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 20px; border-radius: 999px; background: var(--accent); color: var(--accent-ink) !important; font-weight: 600; font-size: 15px; white-space: nowrap; transition: transform 160ms var(--gnav-ease), background-color 160ms ease; }
.gnav-cta:active { transform: scale(0.97); }
.gnav-arr { transition: transform 200ms var(--gnav-ease); }
.gnav-burger { display: none; width: 44px; height: 44px; border-radius: 999px; border: 1px solid var(--line-2) !important; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.gnav-burger span { width: 17px; height: 1.6px; border-radius: 2px; background: var(--fg); transition: transform 260ms var(--gnav-ease); }
.gnav-burger[aria-expanded="true"] span:first-child { transform: translateY(3.3px) rotate(45deg); }
.gnav-burger[aria-expanded="true"] span:last-child { transform: translateY(-3.3px) rotate(-45deg); }

/* Sprachumschalter: zwei Segmente, eine gleitende Markierung. Beim Sprachwechsel gleitet die Markierung über den Seitenwechsel (View Transitions). */
.gnav-lang { position: relative; display: grid; grid-template-columns: 1fr 1fr; align-items: center; height: 38px; padding: 3px; border-radius: 999px; border: 1px solid var(--gnav-line); background: hsla(0, 0%, 100%, 0.04); flex: none; }
.gnav-lang-thumb { position: absolute; top: 3px; bottom: 3px; left: 3px; width: calc(50% - 3px); border-radius: 999px; background: hsla(121, 95%, 76%, 0.14); box-shadow: inset 0 0 0 1px hsla(121, 95%, 76%, 0.38); transition: transform 240ms var(--gnav-ease); view-transition-name: gnav-lang-thumb; pointer-events: none; }
.gnav-lang[data-lang="en"] .gnav-lang-thumb { transform: translateX(100%); }
.gnav-lang a { position: relative; display: grid; place-items: center; min-width: 38px; height: 30px; padding: 0 8px; border-radius: 999px; font-family: var(--font-mono); font-size: 13px; font-weight: 500; letter-spacing: 0.06em; color: var(--fg-mute); transition: color 160ms ease, transform 160ms var(--gnav-ease); }
.gnav-lang a::before { content: ""; position: absolute; inset: -7px -2px; }
.gnav-lang a[aria-current="true"] { color: var(--accent); }
.gnav-lang a:active { transform: scale(0.94); }
@view-transition { navigation: auto; }
::view-transition-group(gnav-lang-thumb) { animation-duration: 260ms; animation-timing-function: cubic-bezier(0.23, 1, 0.32, 1); }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: 200ms; animation-timing-function: ease; }
@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
}

/* Menüs am Desktop */
.gnav-mega { position: absolute; top: calc(100% + 10px); left: 0; right: 0; opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-6px) scale(0.985); transform-origin: 50% 0; transition: opacity 150ms ease, transform 150ms var(--gnav-ease), visibility 0s linear 150ms; }
.gnav-mega.is-open { opacity: 1; visibility: visible; pointer-events: auto; transform: none; transition: opacity 200ms var(--gnav-ease), transform 220ms var(--gnav-ease); }
.gnav-mega.is-swap { transition: none; }
.gnav-mega-in { display: grid; gap: 14px; padding: 14px; border-radius: 22px; border: 1px solid var(--gnav-line); background: var(--gnav-glass-strong); -webkit-backdrop-filter: blur(24px) saturate(1.6); backdrop-filter: blur(24px) saturate(1.6); box-shadow: inset 0 1px 0 hsla(0, 0%, 100%, 0.06), 0 30px 70px rgba(0, 0, 0, 0.55); }
.gnav-mega-in--proj { grid-template-columns: 1fr 1fr minmax(220px, 0.7fr); }
.gnav-mega-in--blog { grid-template-columns: minmax(260px, 0.9fr) 1.6fr; }
.gnav-card { position: relative; display: block; border-radius: 16px; overflow: hidden; border: 1px solid var(--line); background: var(--bg); min-height: 236px; color: var(--fg); }
.gnav-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 500ms var(--gnav-ease); }
.gnav-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(5, 1, 14, 0.96) 18%, rgba(5, 1, 14, 0.55) 52%, rgba(5, 1, 14, 0.05) 80%); pointer-events: none; }
.gnav-cap { position: absolute; z-index: 1; left: 18px; right: 18px; bottom: 16px; display: grid; gap: 3px; }
.gnav-cap small { font-family: var(--font-mono); font-size: 13px; color: var(--accent); letter-spacing: 0.04em; }
.gnav-cap b { font-size: 19px; font-weight: 500; display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.gnav-cap b i { font-style: normal; transition: transform 200ms var(--gnav-ease); }
.gnav-cap em { font-style: normal; font-size: 14px; color: var(--fg-dim); line-height: 1.4; }
.gnav-card--post { display: grid; align-content: start; }
.gnav-card--post img { position: static; height: auto; aspect-ratio: 1200 / 630; border-bottom: 1px solid var(--line); }
.gnav-card--post::after { display: none; }
.gnav-card--post .gnav-cap { position: static; padding: 14px 18px 16px; }
.gnav-card--type { background: radial-gradient(80% 100% at 100% 0%, hsla(121, 95%, 76%, 0.14), transparent 60%), var(--bg); }
.gnav-type-head { position: absolute; left: 18px; right: 18px; top: 18px; font-size: 22px; line-height: 1.15; letter-spacing: -0.02em; font-weight: 500; }
.gnav-type-head i { font-family: var(--font-display); color: var(--accent); }
.gnav-type-stats { position: absolute; left: 18px; top: 108px; display: flex; gap: 22px; font-family: var(--font-mono); font-size: 13px; color: var(--fg-dim); }
.gnav-type-stats b { display: block; font-family: var(--font-display); font-style: italic; font-weight: 400; font-size: 28px; color: var(--fg); line-height: 1.1; }
.gnav-side { display: grid; align-content: start; gap: 4px; padding: 10px 8px; }
.gnav-side small, .gnav-label { font-family: var(--font-mono); font-size: 13px; color: var(--fg-mute); letter-spacing: 0.06em; text-transform: uppercase; padding: 4px 10px 8px; }
.gnav-side a { display: flex; justify-content: space-between; gap: 10px; padding: 11px 10px; border-radius: 12px; font-size: 15px; color: var(--fg); transition: background-color 160ms ease; }
.gnav-side a span { color: var(--fg-mute); transition: transform 200ms var(--gnav-ease), color 160ms ease; }
.gnav-side p { margin: 10px 10px 0; padding-top: 12px; border-top: 1px solid var(--line); font-size: 14px; line-height: 1.5; color: var(--fg-dim); }
.gnav-rubs { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 8px; align-content: start; }
.gnav-rubs .gnav-label { grid-column: 1 / -1; }
.gnav-rub { display: grid; gap: 2px; padding: 11px 12px; border-radius: 12px; color: var(--fg); transition: background-color 160ms ease; }
.gnav-rub b { font-weight: 500; font-size: 15px; display: flex; justify-content: space-between; gap: 8px; }
.gnav-rub b span { font-family: var(--font-mono); font-size: 13px; color: var(--fg-mute); font-weight: 400; }
.gnav-rub em { font-style: normal; font-size: 14px; color: var(--fg-dim); line-height: 1.4; }
.gnav-all { grid-column: 1 / -1; margin-top: 6px; padding: 12px; border-top: 1px solid var(--line); color: var(--accent) !important; font-size: 15px; font-weight: 500; }

/* Menü am Handy */
.gnav-m { display: none; }

@media (hover: hover) and (pointer: fine) {
  .gnav-links > a:hover, .gnav-links > button:hover { color: var(--fg); }
  .gnav-card:hover img { transform: scale(1.04); }
  .gnav-card:hover .gnav-cap b i { transform: translateX(3px); }
  .gnav-side a:hover, .gnav-rub:hover { background: hsla(0, 0%, 100%, 0.06); }
  .gnav-side a:hover span { transform: translateX(3px); color: var(--accent); }
  .gnav-cta:hover { background: hsl(121, 95%, 84%); }
  .gnav-cta:hover .gnav-arr { transform: translateX(3px); }
  .gnav-burger:hover { border-color: var(--fg-mute) !important; }
  .gnav-lang a:not([aria-current="true"]):hover { color: var(--fg); }
}

@media (max-width: 960px) {
  .gnav-links, .gnav-mega { display: none; }
  .gnav-burger { display: inline-flex; }
  .gnav-bar { height: 62px; padding: 0 8px 0 16px; }
  .gnav-lang { height: 36px; }
  .gnav-bar .gnav-cta { min-height: 42px; padding: 0 16px; font-size: 14px; }
  .gnav-m { display: block; position: fixed; z-index: 99; inset: 0; pointer-events: none; visibility: hidden; font-family: var(--font-sans); transition: visibility 0s linear 260ms; }
  .gnav-m.is-open { pointer-events: auto; visibility: visible; transition: none; }
  .gnav-m-scrim { position: absolute; inset: 0; background: rgba(2, 0, 8, 0.6); opacity: 0; transition: opacity 240ms ease; }
  .gnav-m.is-open .gnav-m-scrim { opacity: 1; }
  .gnav-m-box { position: absolute; top: calc(var(--gnav-top) + 70px); left: 14px; right: 14px; max-height: calc(100dvh - var(--gnav-top) - 84px - env(safe-area-inset-bottom, 0px)); overflow: hidden; display: grid; border-radius: 22px; border: 1px solid var(--gnav-line); background: var(--gnav-glass-strong); -webkit-backdrop-filter: blur(24px) saturate(1.6); backdrop-filter: blur(24px) saturate(1.6); box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6); opacity: 0; transform: translateY(-8px) scale(0.985); transform-origin: 50% 0; transition: opacity 180ms ease, transform 240ms var(--gnav-ease); }
  .gnav-m.is-open .gnav-m-box { opacity: 1; transform: none; }
  .gnav-panel { grid-area: 1 / 1; overflow-y: auto; overscroll-behavior: contain; padding: 10px 10px 16px; color: var(--fg); transition: transform 300ms var(--gnav-ease-drawer), opacity 200ms ease; }
  .gnav-panel--sub { transform: translateX(104%); opacity: 0; visibility: hidden; transition: transform 300ms var(--gnav-ease-drawer), opacity 200ms ease, visibility 0s linear 300ms; }
  .gnav-m[data-sub] .gnav-panel--root { transform: translateX(-30%); opacity: 0; visibility: hidden; transition: transform 300ms var(--gnav-ease-drawer), opacity 200ms ease, visibility 0s linear 300ms; }
  .gnav-m[data-sub="projekte"] [data-gnav-subpanel="projekte"], .gnav-m[data-sub="blog"] [data-gnav-subpanel="blog"] { transform: none; opacity: 1; visibility: visible; transition: transform 300ms var(--gnav-ease-drawer), opacity 200ms ease; }
  .gnav-mlist { display: grid; }
  .gnav-mlist > a, .gnav-mlist > button { display: flex; justify-content: space-between; align-items: center; width: 100%; min-height: 54px; padding: 0 12px; border-radius: 14px; font-size: 20px; font-weight: 500; letter-spacing: -0.01em; text-align: left; color: var(--fg); }
  .gnav-mlist > a:active, .gnav-mlist > button:active, .gnav-mrow:active { background: hsla(0, 0%, 100%, 0.06); }
  .gnav-mlist span { color: var(--fg-mute); font-size: 18px; }
  .gnav-mlist--more { margin-top: 8px; }
  .gnav-mlist > .gnav-mlist-all { color: var(--accent); }
  .gnav-back { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 12px; color: var(--fg-dim) !important; font-size: 15px; }
  .gnav-sub-title { margin: 4px 12px 10px; font-size: 26px; font-weight: 500; letter-spacing: -0.02em; }
  .gnav-mrow { display: grid; grid-template-columns: 76px 1fr; gap: 14px; align-items: center; padding: 10px 12px; border-radius: 14px; }
  .gnav-mrow img, .gnav-mini { width: 76px; height: 52px; border-radius: 10px; object-fit: cover; border: 1px solid var(--line); display: block; }
  .gnav-mini { display: grid; place-items: center; background: radial-gradient(80% 100% at 100% 0%, hsla(121, 95%, 76%, 0.2), transparent 60%), var(--bg); font-family: var(--font-display); font-style: italic; font-size: 20px; color: var(--accent); }
  .gnav-mrow b { display: block; font-weight: 500; font-size: 17px; }
  .gnav-mrow em { font-style: normal; font-size: 14px; color: var(--fg-dim); line-height: 1.35; }
  .gnav-mfoot { display: grid; gap: 12px; margin: 14px 4px 0; padding-top: 16px; border-top: 1px solid var(--line); justify-items: center; }
  .gnav-mfoot .gnav-cta { width: 100%; min-height: 52px; font-size: 16px; }
  .gnav-mail { font-family: var(--font-mono); font-size: 14px; color: var(--accent) !important; min-height: 32px; display: inline-flex; align-items: center; }
}
@media (max-width: 520px) { .gnav-bar .gnav-cta { display: none; } }

@media (prefers-reduced-motion: reduce) {
  .gnav *, .gnav-m, .gnav-m * { transition-duration: 1ms !important; transition-delay: 0ms !important; }
}