:root {
  --ad-bg: #fff;
  --ad-surface: #fff;
  --ad-text: #142033;
  --ad-muted: #42526a;
  --ad-primary: #17324d;
  --ad-primary-hover: #0d243a;
  --ad-accent: #ffd60a;
  --ad-soft: #eef4f7;
  --ad-border: #a9b5c1;
  --ad-error: #a20d19;
  --ad-success: #0a6b3c;
  --ad-container: 72rem;
  --ad-font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

html { scroll-behavior: smooth; }
html[data-font-size="large"] { font-size: 118.75%; }
html[data-font-size="larger"] { font-size: 137.5%; }
html[data-contrast="high"] {
  --ad-bg: #000;
  --ad-surface: #000;
  --ad-text: #fff;
  --ad-muted: #fff;
  --ad-primary: #000;
  --ad-primary-hover: #1c1c1c;
  --ad-accent: #ffeb3b;
  --ad-soft: #000;
  --ad-border: #fff;
  --ad-error: #ff9aa3;
  --ad-success: #9dffc5;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; color: var(--ad-text); background: var(--ad-bg); font-family: var(--ad-font); font-size: 1rem; line-height: 1.65; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
img { max-width: 100%; height: auto; }
[hidden] { display: none !important; }
:where(a, button, input, select, textarea, summary):focus-visible { outline: .25rem solid var(--ad-accent); outline-offset: .25rem; }
:where(section, footer)[id] { scroll-margin-top: 2rem; }

.ad-container { width: min(calc(100% - 2.5rem), var(--ad-container)); margin-inline: auto; }
.ad-visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.ad-skip-link { position: fixed; z-index: 1000; top: 1rem; left: 1rem; padding: .85rem 1rem; color: #000; background: var(--ad-accent); font-weight: 800; transform: translateY(-180%); }
.ad-skip-link:focus { transform: translateY(0); }

.ad-demo-notice { color: #fff; background: #0a1019; border-bottom: 1px solid #fff; }
.ad-demo-notice .ad-container { display: flex; min-height: 3.25rem; align-items: center; justify-content: center; flex-wrap: wrap; gap: .35rem 1rem; padding-block: .55rem; font-size: .9rem; }
.ad-demo-notice strong { color: var(--ad-accent); }
.ad-demo-notice a { font-weight: 750; text-decoration: underline; text-underline-offset: .2em; }

.ad-header { color: var(--ad-text); background: var(--ad-surface); border-bottom: 2px solid var(--ad-text); }
.ad-header__inner { display: flex; min-height: 6rem; align-items: center; justify-content: space-between; gap: 2rem; }
.ad-brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; }
.ad-brand > span { display: grid; width: 3.25rem; height: 3.25rem; place-items: center; color: #000; background: var(--ad-accent); border: 2px solid #000; font-size: 1.6rem; font-weight: 900; }
.ad-brand strong { font-size: 1.05rem; line-height: 1.05; }
.ad-brand small { font-size: .8rem; font-weight: 650; }
.ad-header nav ul { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem 1.5rem; margin: 0; padding: 0; list-style: none; }
.ad-header nav a { display: inline-flex; min-height: 2.75rem; align-items: center; font-weight: 750; text-decoration-thickness: .13rem; text-underline-offset: .35rem; }

.ad-toolbar { color: #fff; background: var(--ad-primary); border-bottom: 1px solid var(--ad-border); }
.ad-toolbar__inner { display: flex; min-height: 4.8rem; align-items: center; justify-content: space-between; gap: 1rem 2rem; padding-block: .75rem; }
.ad-toolbar__inner > p { margin: 0; font-weight: 800; }
.ad-toolbar__controls { display: flex; flex-wrap: wrap; gap: .55rem; }
.ad-toolbar button { min-height: 2.75rem; padding: .55rem .85rem; color: #fff; background: transparent; border: 2px solid #fff; font-weight: 750; cursor: pointer; }
.ad-toolbar button:hover, .ad-toolbar button[aria-pressed="true"] { color: #000; background: var(--ad-accent); border-color: var(--ad-accent); }

.ad-hero { padding: clamp(4.5rem, 9vw, 8rem) 0; background: var(--ad-soft); border-bottom: 1px solid var(--ad-border); }
.ad-hero__grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(18rem, .65fr); align-items: end; gap: clamp(3rem, 8vw, 7rem); }
.ad-eyebrow { margin: 0 0 1rem; color: var(--ad-muted); font-size: .88rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.ad-hero h1 { max-width: 13ch; margin: 0; font-size: clamp(3rem, 7vw, 6rem); letter-spacing: -.055em; line-height: .98; overflow-wrap: break-word; }
.ad-lead { max-width: 42rem; margin: 1.6rem 0 0; color: var(--ad-muted); font-size: clamp(1.15rem, 2vw, 1.4rem); }
.ad-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.ad-button { display: inline-flex; min-height: 3.25rem; align-items: center; justify-content: center; padding: .75rem 1.15rem; border: 2px solid var(--ad-primary); font-weight: 800; line-height: 1.25; text-align: center; text-decoration: none; cursor: pointer; }
.ad-button--primary { color: #fff; background: var(--ad-primary); }
.ad-button--primary:hover { background: var(--ad-primary-hover); }
.ad-button--secondary { color: var(--ad-text); background: var(--ad-surface); }
.ad-button--secondary:hover { color: #000; background: var(--ad-accent); }
.ad-opening { padding: clamp(1.6rem, 4vw, 2.5rem); color: #000; background: var(--ad-accent); border: 3px solid #000; }
.ad-opening p, .ad-opening span { display: block; margin: 0; }
.ad-opening p { font-weight: 800; }
.ad-opening strong { display: block; margin: .3rem 0 .75rem; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.05; }

.ad-quick-links { background: var(--ad-primary); }
.ad-quick-links .ad-container { display: grid; grid-template-columns: repeat(3, 1fr); }
.ad-quick-links a { display: grid; min-height: 9rem; padding: 1.5rem; color: #fff; border-right: 1px solid var(--ad-border); text-decoration: none; }
.ad-quick-links a:first-child { border-left: 1px solid var(--ad-border); }
.ad-quick-links a:hover { color: #000; background: var(--ad-accent); }
.ad-quick-links span { font-weight: 800; }
.ad-quick-links strong { align-self: end; font-size: 1.15rem; }
.ad-quick-links small { font-size: .9rem; }

.ad-section { padding: clamp(4.5rem, 9vw, 7.5rem) 0; background: var(--ad-bg); }
.ad-section--soft { background: var(--ad-soft); border-block: 1px solid var(--ad-border); }
.ad-section--dark { color: #fff; background: #14263a; }
html[data-contrast="high"] .ad-section--dark { color: var(--ad-text); background: var(--ad-bg); border-block: 1px solid var(--ad-border); }
.ad-section-heading { max-width: 48rem; margin-bottom: 2.5rem; }
.ad-section h2 { max-width: 18ch; margin: 0; font-size: clamp(2.25rem, 5vw, 4rem); letter-spacing: -.045em; line-height: 1.05; overflow-wrap: break-word; }
.ad-section-heading > p:last-child { color: var(--ad-muted); font-size: 1.08rem; }
.ad-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid var(--ad-text); border-left: 2px solid var(--ad-text); }
.ad-card-grid article { display: flex; min-height: 21rem; padding: 2rem; flex-direction: column; border-right: 2px solid var(--ad-text); border-bottom: 2px solid var(--ad-text); }
.ad-card-grid article > span { font-weight: 850; }
.ad-card-grid h3 { margin: auto 0 .5rem; font-size: 1.6rem; }
.ad-card-grid p { margin: 0 0 1.4rem; color: var(--ad-muted); }
.ad-card-grid a { width: fit-content; font-weight: 800; text-decoration-thickness: .13rem; text-underline-offset: .25rem; }

.ad-events-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(3rem, 8vw, 7rem); }
.ad-events-layout > div:first-child > p:last-child { color: var(--ad-muted); }
.ad-event-list { margin: 0; padding: 0; border-top: 2px solid var(--ad-text); list-style: none; }
.ad-event-list li { display: grid; grid-template-columns: minmax(10rem, .7fr) 1.3fr; gap: .35rem 2rem; padding: 1.6rem 0; border-bottom: 1px solid var(--ad-border); }
.ad-event-list time { grid-row: 1 / 3; font-weight: 800; }
.ad-event-list strong { font-size: 1.1rem; }
.ad-event-list span { color: var(--ad-muted); }

.ad-accessibility-details { color: #000; background: var(--ad-accent); }
.ad-accessibility-details .ad-eyebrow, .ad-accessibility-details .ad-section-heading > p { color: #000; }
.ad-check-list { display: grid; grid-template-columns: repeat(2, 1fr); margin: 0; padding: 0; border-top: 2px solid #000; border-left: 2px solid #000; list-style: none; }
.ad-check-list li { display: grid; grid-template-columns: 1.1rem 1fr; gap: .35rem .8rem; padding: 1.5rem; border-right: 2px solid #000; border-bottom: 2px solid #000; }
.ad-check-list li::before { grid-row: 1 / 3; content: "✓"; font-weight: 950; }
.ad-check-list strong, .ad-check-list span { grid-column: 2; }
.ad-check-list span { color: #202020; }
.ad-scope-note { max-width: 55rem; margin: 2rem 0 0; padding: 1.25rem; border: 2px solid #000; background: #fff; }

.ad-directions { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 8vw, 7rem); }
.ad-section--dark .ad-eyebrow { color: #d8e2ec; }
.ad-directions h3 { margin: 0 0 1rem; font-size: 1.4rem; }
.ad-directions address { font-size: 1.2rem; font-style: normal; }
.ad-directions ul { margin: 1.5rem 0 0; padding-left: 1.4rem; }
.ad-directions li { margin-block: .55rem; }

.ad-contact-layout { display: grid; grid-template-columns: .8fr 1.2fr; align-items: start; gap: clamp(3rem, 8vw, 7rem); }
.ad-contact-layout > div:first-child > p:not(.ad-eyebrow) { color: var(--ad-muted); }
.ad-contact-layout details { margin-top: 2rem; padding: 1rem; border: 2px solid var(--ad-text); }
.ad-contact-layout summary { min-height: 2.75rem; font-weight: 800; cursor: pointer; }
.ad-form { padding: clamp(1.5rem, 4vw, 2.75rem); background: var(--ad-soft); border: 2px solid var(--ad-text); }
.ad-field { margin-bottom: 1.5rem; }
.ad-field label { display: block; font-size: 1.05rem; font-weight: 800; }
.ad-field label span { font-size: .85rem; font-weight: 650; }
.ad-field > p { margin: .2rem 0 .45rem; color: var(--ad-muted); font-size: .9rem; }
.ad-field input, .ad-field select, .ad-field textarea { width: 100%; min-height: 3.25rem; padding: .7rem .8rem; color: var(--ad-text); background: var(--ad-surface); border: 2px solid var(--ad-text); border-radius: 0; }
.ad-field textarea { min-height: 8rem; resize: vertical; }
.ad-field [aria-invalid="true"] { border-color: var(--ad-error); border-width: 3px; }
.ad-field .ad-field-error { margin-top: .4rem; color: var(--ad-error); font-size: .92rem; font-weight: 800; }
.ad-field .ad-field-error:not(:empty)::before { content: "Fehler: "; }
.ad-error-summary { margin-bottom: 1.75rem; padding: 1rem 1.2rem; color: var(--ad-text); background: var(--ad-surface); border: 4px solid var(--ad-error); }
.ad-error-summary h3 { margin: 0 0 .55rem; }
.ad-error-summary ul { margin: 0; padding-left: 1.3rem; }
.ad-error-summary a { color: var(--ad-error); font-weight: 800; text-decoration-thickness: .13rem; }
.ad-form-note { margin: .75rem 0 0; color: var(--ad-muted); font-size: .9rem; }
.ad-success { margin-top: 1.5rem; padding: 1rem 1.2rem; color: var(--ad-success); background: var(--ad-surface); border: 4px solid var(--ad-success); }
.ad-success p { margin: .25rem 0 0; }

.ad-footer { padding: 2.5rem 0; color: #fff; background: #0a1019; border-top: 1px solid #fff; }
.ad-footer .ad-container { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.ad-footer p { margin: 0; }
.ad-footer a { font-weight: 800; text-decoration-thickness: .13rem; text-underline-offset: .3rem; }

@media (max-width: 56rem) {
  .ad-header__inner, .ad-toolbar__inner { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 1rem; }
  .ad-hero__grid, .ad-events-layout, .ad-directions, .ad-contact-layout { grid-template-columns: 1fr; }
  .ad-hero__grid { align-items: start; }
  .ad-opening { max-width: 32rem; }
  .ad-card-grid { grid-template-columns: 1fr; }
  .ad-card-grid article { min-height: 16rem; }
  .ad-event-list li { grid-template-columns: 1fr; }
  .ad-event-list time { grid-row: auto; }
}

@media (max-width: 42rem) {
  .ad-container { width: min(calc(100% - 2rem), var(--ad-container)); }
  .ad-demo-notice .ad-container { align-items: flex-start; flex-direction: column; }
  .ad-header nav, .ad-header nav ul { width: 100%; }
  .ad-header nav ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--ad-border); border-left: 1px solid var(--ad-border); }
  .ad-header nav li { border-right: 1px solid var(--ad-border); border-bottom: 1px solid var(--ad-border); }
  .ad-header nav a { padding: .65rem; }
  .ad-toolbar__controls { display: grid; width: 100%; grid-template-columns: 1fr; }
  .ad-toolbar button { width: 100%; text-align: left; }
  .ad-hero h1 { font-size: clamp(2.65rem, 14vw, 4rem); }
  .ad-actions { align-items: stretch; flex-direction: column; }
  .ad-button { width: 100%; }
  .ad-quick-links .ad-container { grid-template-columns: 1fr; }
  .ad-quick-links a, .ad-quick-links a:first-child { min-height: 7.5rem; border: 0; border-bottom: 1px solid var(--ad-border); }
  .ad-quick-links a:first-child { border-top: 1px solid var(--ad-border); }
  .ad-check-list { grid-template-columns: 1fr; }
  .ad-footer .ad-container { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}