:root {
  color-scheme: light;
  --paper: #fafaf8;
  --ink: #282827;
  --muted: #61615d;
  --line: rgb(45 45 41 / 18%);
  --content: 760px;
  --gutter: clamp(24px, 6vw, 100px);
}
* { box-sizing: border-box; }
html { scroll-padding-bottom: 24px; }
body { margin: 0; color: var(--ink); font: 400 17px/2 "Open Sans", Arial, sans-serif; background: #ededeb; overflow-wrap: break-word; }
/* Großflächige neutrale Verläufe bilden den Hintergrund. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(ellipse at 5% 4%, #fff 0%, transparent 50%), radial-gradient(ellipse at 106% 62%, #b3b5b4 0%, transparent 62%), linear-gradient(145deg, #ededeb 15%, #e5e6e4 65%, #f9f9f7);
}
a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 5px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--ink); outline-offset: 6px; }
[hidden] { display: none !important; }
img { max-width: 100%; height: auto; }
.visual-filters { position: absolute; width: 0; height: 0; overflow: hidden; pointer-events: none; }
.site-shell { width: min(100% - 64px, 1520px); margin: 0 auto 32px; isolation: isolate; }
.site-shell::before { content: ""; position: fixed; inset: 0; z-index: -1; background: url("images/grain.svg") repeat; opacity: .1; pointer-events: none; }
.content-width { width: min(var(--content), calc(100% - 2 * var(--gutter))); margin-inline: auto; }
.skip-link { position: fixed; left: 18px; top: 18px; z-index: 100; padding: 10px 18px; transform: translateY(-180%); background: white; }
.skip-link:focus { transform: none; }
.top-inner { min-height: 148px; width: auto; max-width: none; margin: 0; padding: 26px 0 26px var(--gutter); display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; width: 236px; line-height: 1; }
.brand img { display: block; width: 236px; height: auto; mix-blend-mode: multiply; }
.header-tagline { margin: 0; padding-inline-end: .12em; font: italic 500 clamp(26px, 2.6vw, 36px)/1.1 "Cormorant Garamond", Georgia, serif; letter-spacing: -.015em; white-space: nowrap; text-align: right; }
.hero { position: relative; isolation: isolate; min-height: 540px; height: min(43vw, 640px); overflow: hidden; background: #d8dcda; }
.hero-image, .hero-water-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 56% 40%; filter: saturate(1.08) contrast(1.04); }
.hero-image { z-index: -4; }
/* Nur die untere Bildhälfte bewegt sich; die Uferkante läuft weich aus. */
.hero-water { display: none; position: absolute; z-index: -3; inset: 0; overflow: hidden; pointer-events: none; -webkit-mask-image: linear-gradient(transparent 50%, #000 60%); mask-image: linear-gradient(transparent 50%, #000 60%); }
.hero-water-image { filter: url("#water-ripple") saturate(1.08) contrast(1.04); }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: url("images/grain.svg"); opacity: .13; mix-blend-mode: multiply; }
/* Gleiche Lesebreite und großzügige Abstände auf allen vier Seiten. */
.page-content { position: relative; isolation: isolate; overflow: hidden; padding-block: 150px 180px; background: radial-gradient(ellipse 44% 380px at 103% 100%, rgb(159 163 162 / 17%), transparent 95%), linear-gradient(170deg, var(--paper) 0%, #fff 45%, #f8f8f6 100%); }
.page-content::after { content: ""; position: absolute; z-index: -1; inset: 0; background: url("images/grain.svg"); opacity: .035; pointer-events: none; }
.page-content article { display: flow-root; position: relative; }
h1, h2, h3 { color: var(--ink); font-family: Domine, Georgia, serif; font-weight: 400; }
.page-content h1 { margin: 0 0 68px; font-size: clamp(34px, 3.3vw, 48px); line-height: 1.42; letter-spacing: -.04em; }
.page-content h2 { margin: 92px 0 34px; font-size: 30px; line-height: 1.5; letter-spacing: -.025em; }
.page-content h3 { margin: 80px 0 30px; font-size: 26px; line-height: 1.55; letter-spacing: -.02em; }
.page-content p { margin: 38px 0; }
.page-content address { font-style: normal; line-height: 2; }
.page-content ul { margin: 38px 0; padding-left: 1.25em; }
.page-content li + li { margin-top: 12px; }
.page-content .legal-date { margin-top: 72px; font-size: 13px; color: var(--muted); }
.page-content p:last-child { margin-bottom: 0; }
.home .page-content { padding-block: 158px 205px; }
.home .page-content h1 { font-size: clamp(34px, 3.45vw, 50px); line-height: 1.43; margin-bottom: 58px; }
.welcome-intro { display: block; margin-bottom: 30px; font: 400 14px/1.7 "Open Sans", Arial, sans-serif; letter-spacing: .035em; color: var(--muted); }
.home .page-content p { max-width: 600px; color: var(--muted); line-height: 2; }
.mountain-echo { position: absolute; z-index: -1; pointer-events: none; right: -210px; bottom: -10px; width: 720px; height: 460px; background: url("images/resonanz-panorama.jpg") 60% 10% / 200% auto no-repeat; filter: grayscale(1) contrast(1.12); opacity: .15; -webkit-mask-image: radial-gradient(ellipse 47% 43% at 53% 46%, #000 8%, transparent 100%); mask-image: radial-gradient(ellipse 47% 43% at 53% 46%, #000 8%, transparent 100%); }
.institute-image { display: block; width: 300px; height: auto; margin: 62px 0 62px auto; mix-blend-mode: multiply; }
/* Originalpanorama hinter optisch gebrochenem, rauem Milchglas. */
.site-footer { position: relative; isolation: isolate; overflow: hidden; color: #252524; background: #d4d6d3; }
.footer-landscape { position: absolute; z-index: -4; inset: -40px; width: calc(100% + 80px); max-width: none; height: calc(100% + 80px); object-fit: cover; object-position: 50% 51%; filter: url("#rough-glass") grayscale(.86) saturate(.35); opacity: .86; }
.footer-frost { position: absolute; z-index: -3; inset: 0; pointer-events: none; background: linear-gradient(rgb(0 0 0 / 10%), rgb(0 0 0 / 10%)), linear-gradient(110deg, rgb(252 252 249 / 82%) 0%, rgb(244 245 241 / 60%) 48%, rgb(233 236 232 / 60%) 100%); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border: 1px solid rgb(255 255 255 / 62%); }
.site-footer::before { content: ""; position: absolute; z-index: -2; inset: 0; pointer-events: none; background: url("images/glass-grain.svg"); opacity: .32; mix-blend-mode: soft-light; }
.site-footer::after { content: ""; position: absolute; z-index: -1; inset: 0; pointer-events: none; background: url("images/grain.svg"); opacity: .09; mix-blend-mode: multiply; }
.footer-inner { position: relative; padding: 72px var(--gutter) 28px; }
.footer-brand { display: flex; width: 224px; margin: 0 auto 44px; line-height: 1; }
.footer-brand img { width: 224px; height: auto; mix-blend-mode: multiply; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 36px; padding: 0 0 55px; }
.footer-nav a { position: relative; display: inline-flex; align-items: center; min-height: 44px; padding: 0; border: 0; background: none; color: inherit; text-decoration: none; font-size: 15px; line-height: 1.6; }
.footer-nav a::after { content: ""; position: absolute; inset: auto 0 6px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: left; }
.footer-nav a:hover::after, .footer-nav a[aria-current="page"]::after { transform: scaleX(1); }
.footer-nav a[aria-current="page"] { font-weight: 600; }
.footer-bottom { display: flex; align-items: center; justify-content: center; border-top: 1px solid rgb(56 56 50 / 25%); padding-top: 24px; }
.copyright { margin: 0; max-width: 640px; color: #3b3c38; font-size: 11px; line-height: 1.9; text-align: center; }
@media (min-width: 1700px) { .mountain-echo { right: -100px; } }
@media (max-width: 1100px) {
  .site-shell { width: calc(100% - 40px); margin-bottom: 20px; }
  .hero { height: 520px; min-height: 0; }
  .page-content { padding-block: 120px 150px; }
  .home .page-content { padding-block: 130px 170px; }
  .footer-nav { column-gap: 32px; }
}
@media (max-width: 767px) {
  .site-shell { width: 100%; margin: 0; }
  .top-inner { min-height: 120px; padding-block: 20px; gap: 12px; }
  .brand, .brand img { width: clamp(140px, 43vw, 210px); }
  .header-tagline { font-size: clamp(18px, 4.8vw, 26px); }
  .hero { height: 470px; }
  .hero-image, .hero-water-image { object-position: 59% 40%; }
  .page-content, .home .page-content { padding-block: 90px 125px; }
  .page-content h1, .home .page-content h1 { font-size: 34px; line-height: 1.5; margin-bottom: 46px; }
  .page-content h2 { font-size: 27px; margin: 70px 0 28px; }
  .page-content h3 { font-size: 24px; margin: 60px 0 26px; }
  .page-content p { margin-block: 32px; line-height: 2; }
  .welcome-intro { font-size: 13px; margin-bottom: 25px; }
  .mountain-echo { right: -300px; bottom: -50px; opacity: .12; }
  .footer-inner { padding: 60px var(--gutter) 28px; }
  .footer-brand, .footer-brand img { width: 204px; }
  .footer-brand { margin-bottom: 30px; }
  .footer-nav { column-gap: 32px; row-gap: 8px; padding-bottom: 36px; }
}
@media (max-width: 420px) {
  body { font-size: 16px; }
  .hero { height: 410px; }
  .page-content h1, .home .page-content h1 { font-size: clamp(25px, 7.45vw, 29px); }
  .page-content h2 { font-size: 25px; }
  .footer-nav { display: grid; grid-template-columns: 1fr; justify-items: center; gap: 0; }
  .footer-nav a { width: fit-content; font-size: 15px; min-height: 48px; }
}
@media (prefers-reduced-motion: no-preference) {
  .hero[data-water-animation="running"] .hero-water { display: block; }
  a { transition: color .2s, background-color .2s; }
  .footer-nav a::after { transition: transform .2s ease; }
}
@media (prefers-reduced-transparency: reduce) {
  .footer-frost { background: #e5e5e0; backdrop-filter: none; }
}
@media print {
  body { background: white; padding: 0; }
  body::before, .site-shell::before, .skip-link, .mountain-echo { display: none !important; }
  .site-shell { width: 100%; margin: 0; }
  .top-inner { padding: 20px 0; min-height: 0; }
  .hero { height: 200px; min-height: 0; }
  .header-tagline { font-size: 24px; }
  .hero .hero-water { display: none !important; }
  .content-width { width: 100%; }
  .page-content, .home .page-content { padding: 50px 0; background: white; }
  .site-footer { background: #eee; }
  .footer-landscape, .footer-frost, .site-footer::before, .site-footer::after { display: none; }
  .footer-inner { padding: 30px; }
}