:root {
  --bg: #d1e4dd;
  --bg-2: #c3dad1;
  --text: #28303d;
  --muted: #4d5866;
  --white: #fff;
  --line: rgba(40, 48, 61, .25);
  --wrap: 46rem;
  --wide: 64rem;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4rem; }
body { margin: 0; background: var(--bg); color: var(--text); font: 1.0625rem/1.7 var(--font); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--text); text-underline-offset: .2em; }
a:hover { text-decoration-style: dotted; }
:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--text); color: #fff; padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: 1rem; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1rem; }
.wrap-wide { max-width: var(--wide); margin: 0 auto; padding: 0 1rem; }
h2 { font-size: clamp(2rem, 6vw, 3.25rem); font-weight: 300; line-height: 1.1; margin: 0 0 1.5rem; padding-bottom: 1.5rem; border-bottom: 3px solid var(--text); }
h3 { font-size: 1.5rem; font-weight: 400; margin: 3rem 0 1rem; }

/* Kopf */
.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .3rem 1.5rem; padding: .8rem max(1rem, calc((100% - var(--wide)) / 2 + 1rem)); background: rgba(209, 228, 221, .94); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); }
.brand { font-size: 1.1rem; letter-spacing: .08em; text-transform: uppercase; text-decoration: none; }
.top nav { display: flex; flex-wrap: wrap; gap: .2rem 1.2rem; font-size: .95rem; }
.top nav a { text-decoration: none; }
.top nav a:hover { text-decoration: underline; }

/* Einstieg */
.intro { padding-top: 3rem; padding-bottom: 4rem; }
.intro-imgs { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: center; }
.frame { border: 2px solid var(--text); padding: 1rem; background: var(--bg); }
.frame img { width: 100%; }
.frame.a { grid-row: span 2; }
.frame.b { margin-top: 2rem; }
.frame.c { max-width: 70%; }
.intro h1 { margin: 3rem 0 3rem; text-align: center; }
.logo { display: inline-block; background: #000; color: #fff; font-weight: 800; font-size: clamp(2.6rem, 9vw, 4.5rem); line-height: 1; padding: .35em .45em .5em; letter-spacing: -.02em; border: 3px dashed rgba(255,255,255,.7); outline: 6px solid #000; }
.logo sub { font-size: .5em; vertical-align: -.35em; margin: 0 .02em; }
.teasers { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 2rem; }
.teasers a { text-decoration: none; display: block; }
.teasers h2 { font-size: 1.75rem; border: 0; padding: 0; margin: 0 0 .75rem; }
.teasers p { margin: 0 0 .75rem; }
.teasers span { text-decoration: underline; text-underline-offset: .2em; }
.teasers a:hover span { text-decoration-style: dotted; }

/* Abschnitte */
.part { padding-top: 4rem; padding-bottom: 2rem; }
.covers { display: grid; gap: 1rem; margin-top: 2rem; }
.covers a { display: block; }

.gallery { list-style: none; padding: 0; margin: 2rem 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr)); gap: .5rem; }
.gallery a { display: block; aspect-ratio: 1; overflow: hidden; background: var(--bg-2); }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.gallery a:hover img { transform: scale(1.05); }

/* Videos mit Klick-Zustimmung */
.videos { display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); gap: 1.5rem; }
.video-item { margin: 1.5rem 0; }
.video-item figcaption { margin-top: .5rem; font-size: .95rem; color: var(--muted); }
.video { position: relative; aspect-ratio: 16 / 9; background: #000; overflow: hidden; border: 2px solid var(--text); }
.video > img { width: 100%; height: 100%; object-fit: cover; opacity: .75; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-play { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .6rem; width: 100%; background: transparent; border: 0; color: #fff; font: 600 .85rem var(--font); letter-spacing: .06em; text-transform: uppercase; cursor: pointer; text-shadow: 0 2px 8px #000; }
.play-icon { width: 3.75rem; height: 3.75rem; border-radius: 50%; background: var(--bg); position: relative; box-shadow: 0 6px 24px rgba(0,0,0,.45); transition: transform .2s; }
.play-icon::after { content: ""; position: absolute; left: 54%; top: 50%; transform: translate(-50%, -50%); border-style: solid; border-width: .65rem 0 .65rem 1.05rem; border-color: transparent transparent transparent var(--text); }
.video-play:hover .play-icon { transform: scale(1.08); }
.video-note { position: absolute; left: 0; right: 0; bottom: 0; margin: 0; padding: .4rem .65rem; font-size: .7rem; line-height: 1.35; color: #e6e6e6; background: rgba(0,0,0,.65); }
.video-note a { color: #fff; }
.video.is-playing .video-note, .video.is-playing .video-play, .video.is-playing > img { display: none; }

/* Kontakt */
.cta { background: #39414d; color: #d1e4dd; padding: 2.5rem 2rem; border: 2px solid var(--text); margin-bottom: 1rem; }
.cta h2 { color: #fff; border-color: #d1e4dd; }
.cta-links { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0 0; }
.btn { display: inline-block; padding: .65rem 1.3rem; background: #d1e4dd; color: var(--text); text-decoration: none; font-weight: 600; border: 2px solid #d1e4dd; }
.btn:hover { background: transparent; color: #fff; }
.btn.alt { background: transparent; color: #fff; }
.btn.alt:hover { background: #d1e4dd; color: var(--text); }

/* Rechtliches */
.legal { border-top: 1px solid var(--line); margin-top: 3rem; padding: 2.5rem 0 3rem; font-size: .92rem; color: var(--muted); }
.social { text-align: center; margin: 0 0 2rem; }
.legal details { border-bottom: 1px solid var(--line); }
.legal details:first-of-type { border-top: 1px solid var(--line); }
.legal summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 0; }
.legal summary::-webkit-details-marker { display: none; }
.legal summary h2 { margin: 0; padding: 0; border: 0; font-size: 1.15rem; font-weight: 600; color: var(--text); }
.legal summary::after { content: ""; width: .6rem; height: .6rem; border-right: 2px solid var(--text); border-bottom: 2px solid var(--text); transform: rotate(45deg); transition: transform .2s; flex: none; margin-right: .3rem; }
.legal details[open] summary::after { transform: rotate(-135deg); }
.legal details > :last-child { margin-bottom: 1.5rem; }
.legal h3 { font-size: .85rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; margin: 1.5rem 0 .3rem; color: var(--text); }
.legal p { margin: .3rem 0 .8rem; }
.small { font-size: .8rem; }

/* Lightbox */
[data-lb] { cursor: zoom-in; }
.lightbox { width: 100vw; height: 100vh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0; background: rgba(0,0,0,.94); color: #fff; }
.lightbox[open] { display: grid; place-items: center; }
.lightbox::backdrop { background: rgba(0,0,0,.94); }
.lightbox img { max-width: 94vw; max-height: 88vh; width: auto; height: auto; }
.lightbox button { position: absolute; background: rgba(0,0,0,.45); border: 0; color: #fff; font-size: 2.4rem; line-height: 1; width: 3.2rem; height: 3.2rem; border-radius: 50%; cursor: pointer; }
.lightbox button:hover { color: var(--bg); }
.lb-close { top: 1rem; right: 1rem; }
.lb-prev { left: 1rem; top: 50%; translate: 0 -50%; }
.lb-next { right: 1rem; top: 50%; translate: 0 -50%; }

@media (max-width: 600px) {
  .top { justify-content: center; padding-top: .6rem; padding-bottom: .6rem; }
  .top nav { justify-content: center; gap: .1rem .9rem; font-size: .88rem; }
  .intro-imgs { gap: .75rem; }
  .frame { padding: .5rem; }
  .cta { padding: 2rem 1.25rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }