/* ==========================================================================
   referenz-uebersicht.css — Übersicht aller Referenzen (raumkult.eu/referenzen/)
   Version: 1.0 | 2026-10-10 | Quelle: Marketing/projektreferenzen/vorlagen/, gebaut von bauen_uebersicht.py
   Regel (Skill rauMKult-Webseiten): nur Anordnung mit Präfix ru-; Farben, Radien, Schatten und Schrift
   ausschließlich aus den zentralen Token (main-v2.css, rk-wow.css) bzw. --ph-erhaben (referenz-module.css).
   Bausteine: rk-wow-statement, -audience (Karten), -invite, -numbers, -reasons, -cta, -feature__badge, rk-faq.
   Gerüst und Brotkrumen kommen aus referenz.css (.ref__wrap, .ref__block, .ref-pfadleiste, .ref-chips).
   ========================================================================== */

/* ─── Bühne mit Deko-Vierecken ───────────────────────────────────────────── */
.ru { position: relative; overflow: clip; }
.ru > .ref__wrap { position: relative; z-index: 1; }

/* ─── Kopf rechts (Ausrichtung wechselt links, rechts, Mitte) ───────────── */
.ru-kopf--r { margin-left: auto; justify-items: end; text-align: right; }
.ru-kopf--r .rk-wow-kicker { justify-content: flex-end; }
.ru-kopf--r .rk-wow-statement__sub { text-align: left; justify-self: end; }

/* Brotkrumen: Tippfläche mindestens 44 px (Mobil-Prüfung der Website) */
.ru .ref-pfadleiste a { min-width: 44px; min-height: 44px; }

/* ─── Einstieg: Text links, Bildstapel rechts ────────────────────────────── */
.ru-hero { display: grid; gap: clamp(28px, 5vw, 64px); align-items: center; }
.ru-hero > * { min-width: 0; }
.ru-hero .rk-wow-statement__title { font-size: calc(var(--rk-wow-fs-number) * .8); hyphens: auto; overflow-wrap: break-word; }
.ru-autor { margin: 0; font-size: var(--rk-wow-fs-meta); line-height: 1.5; color: var(--text-muted); }
.ru-autor a { color: var(--text-primary); text-decoration: underline; text-underline-offset: .2em; padding-block: 4px; }
.ru-autor__trenner { display: inline-block; width: 4px; height: 4px; margin: 0 10px .2em; vertical-align: middle; border-radius: 50%; background: var(--rk-wow-accent-line); }
@media (min-width: 900px) { .ru-hero { grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); } }
@media (max-width: 599px) { .ru-hero .rk-wow-btnrow .rk-btn { width: 100%; } }

/* Bildstapel: zwei Musterplatten übereinander, die neueste vorn */
.ru-stapel { position: relative; margin: 0; padding: 0 0 clamp(64px, 9vw, 96px); }
.ru-stapel__platte { position: relative; margin: 0; overflow: hidden; border-radius: var(--rk-wow-r-card); border: 1px solid var(--rk-wow-line); background: var(--rk-wow-tint); box-shadow: var(--rk-wow-sh-4); }
.ru-stapel__platte img { display: block; width: 100%; height: 100%; object-fit: cover; }
.ru-stapel__platte--vorn { width: 72%; aspect-ratio: 4 / 5; z-index: 2; }
.ru-stapel__platte--hinten { position: absolute; z-index: 1; right: 0; top: 10%; width: 48%; aspect-ratio: 4 / 5; transform: rotate(3deg); box-shadow: var(--rk-wow-sh-3); }
.ru-stapel--einzeln .ru-stapel__platte--vorn { width: 100%; }
/* App-Ansicht (Handy): flacher Stapel, damit die Seite im Längenbudget bleibt */
html[data-view="app"] .ru-stapel__platte--vorn, html[data-view="app"] .ru-stapel__platte--hinten { aspect-ratio: 16 / 11; }
html[data-view="app"] .ru-karte .rk-wow-audience__media { aspect-ratio: 2 / 1; }
html[data-view="app"] .ru-karte .ref-chips { gap: 6px; }
html[data-view="app"] .ru-karte .ref-chips li { padding: 4px 10px; }
html[data-view="app"] .ru-hero .rk-wow-btnrow { gap: 8px; }
html[data-view="app"] .ru-karte dl { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 16px; }
html[data-view="app"] .ru-karte dl > div:first-child { grid-column: 1 / -1; }
html[data-view="app"] .ru-stapel { padding-bottom: 44px; }
html[data-view="app"] .ru-karte .rk-wow-audience__body { gap: 12px; }
html[data-view="app"] .ru .ref__block { margin-top: 28px; }
html[data-view="app"] .ru .rk-wow-numbers { grid-template-columns: repeat(var(--rk-wow-cols, 3), minmax(0, 1fr)); padding: 6px 4px; }
html[data-view="app"] .ru .rk-wow-numbers__item { padding: 18px 10px; border-bottom: 0; border-right: 1px solid var(--rk-wow-line); align-content: start; }
html[data-view="app"] .ru .rk-wow-numbers__item:last-child { border-right: 0; }
html[data-view="app"] .ru .rk-wow-numbers__n { font-size: var(--rk-wow-fs-big); }
html[data-view="app"] .ru .rk-wow-numbers__lbl { font-size: var(--rk-wow-fs-tag); line-height: 1.35; }
html[data-view="app"] .ru-zeigt .rk-wow-reasons__n { display: none; }
.ru-stapel__platte .rk-wow-audience__tag { top: 12px; bottom: auto; left: 12px; }
/* Glas-Plakette (zentraler Baustein rk-wow-feature__badge), als Link auf die neueste Referenz */
.ru-stapel .ru-plakette { position: absolute; z-index: 3; left: clamp(12px, 4%, 28px); right: auto; bottom: 0; width: min(420px, 88%); margin: 0; color: inherit; text-decoration: none; }
.ru-plakette__titel, .ru-plakette__meta { display: block; }
.ru-plakette__titel { margin: 0 0 4px; font-size: var(--rk-wow-fs-title); line-height: 1.2; letter-spacing: -.015em; color: var(--text-primary); }
.ru-plakette__meta { margin: 0; font-size: var(--rk-wow-fs-meta); line-height: 1.45; color: var(--text-secondary); }
.ru-plakette:hover .ru-plakette__titel, .ru-plakette:focus-visible .ru-plakette__titel { text-decoration: underline; text-underline-offset: .18em; }
.ru-plakette:focus-visible { outline: 3px solid var(--rk-focus-color); outline-offset: 3px; }

/* ─── Karten ─────────────────────────────────────────────────────────────── */
.ru-karten { margin: 0; padding: 0; list-style: none; }
.rk-wow-audience.ru-karten { grid-template-columns: minmax(0, 1fr); gap: clamp(20px, 3vw, 32px); }
.ru-karte { position: relative; }
.ru-karte .rk-wow-audience__media { margin: 0; }
.ru-karte__link { display: grid; grid-template-rows: auto 1fr; height: 100%; color: inherit; text-decoration: none; border-radius: inherit; }
.ru-karte__link:focus-visible { outline: 3px solid var(--rk-focus-color); outline-offset: 4px; }
.ru-karte .rk-wow-audience__media { aspect-ratio: 4 / 3; }
.ru-karte .rk-wow-audience__media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--rk-wow-ease); }
@media (hover: hover) { .ru-karte:hover .rk-wow-audience__media img { transform: scale(1.04); } }
.ru-karte__umfang { top: 14px; bottom: auto; left: auto; right: 14px; }
.ru-karte .rk-wow-audience__body { gap: 16px; padding: clamp(22px, 3vw, 36px); }
.ru-karte__kopf { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 16px; align-items: start; }
.ru-karte__kopf .rk-wow-kicker { font-size: var(--rk-wow-fs-tag); }
.ru-karte__kopf h3 { grid-column: 1; }
.ru-karte__nr { grid-column: 2; grid-row: 1 / span 2; align-self: start; font-size: clamp(2.6rem, 1.8rem + 3vw, 4.4rem); }
.ru-karte__text { margin: 0; color: var(--text-secondary); line-height: 1.6; max-width: 62ch; }
.ru-karte .ref-chips { margin: 0; }
.ru-karte dl > div { display: grid; gap: 2px; padding-top: 12px; border-top: 1px solid var(--rk-wow-line); }
.ru-karte__knopf { justify-self: start; margin-top: 4px; pointer-events: none; }
@media (min-width: 900px) {
  .rk-wow-audience.ru-karten { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ru-karte--breit { grid-column: 1 / -1; }
  .ru-karte--breit .ru-karte__link { grid-template-rows: none; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); }
  .ru-karte--breit .rk-wow-audience__media { aspect-ratio: auto; min-height: 100%; }
  .ru-karte--breit.ru-karte--flip .ru-karte__link { grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr); }
  .ru-karte--breit.ru-karte--flip .rk-wow-audience__media { order: 2; }
  .ru-karte--breit .rk-wow-audience__body { align-content: center; padding: clamp(32px, 4vw, 56px); }
  .ru-karte--breit .rk-wow-audience__body h3 { font-size: var(--rk-wow-fs-big); line-height: 1.06; letter-spacing: -.03em; }
  .ru-karte--breit dl { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 28px; }
  .ru-karte--breit dl > div:first-child { grid-column: 1 / -1; }
}
/* Dunkelmodus: Karten heben sich vom Schwarz ab (FLOW §10) */
[data-theme="dark"] .ru-karte, [data-theme="dark"] .ru-naechste .rk-wow-invite, [data-theme="dark"] .ru-autorkarte { box-shadow: var(--ph-erhaben); }
[data-theme="dark"] .ru-karte:hover { box-shadow: var(--ph-erhaben-stark); }

/* Platzhalterkarte „Nächste Referenz“ */
.ru-naechste { grid-column: 1 / -1; }
.ru-naechste .rk-wow-invite { height: 100%; }
.ru-naechste .rk-wow-invite__date b { font-variant-numeric: tabular-nums; }

/* Filterleiste: erst ab vier Referenzen (bauen_uebersicht.py) */
.ru-filter { display: grid; gap: 14px; margin: 0 0 clamp(20px, 3vw, 32px); }
.ru-filter fieldset { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0; padding: 0; border: 0; min-width: 0; }
.ru-filter legend { float: left; margin-right: 6px; font-size: var(--rk-wow-fs-tag); letter-spacing: .12em; text-transform: uppercase; color: var(--rk-gold-text); }
.ru-filter__stand { margin: 0; font-size: var(--rk-wow-fs-meta); color: var(--text-muted); }

/* ─── „Was eine Referenz zeigt“: dunkle Bühne mit Gründen ───────────────── */
.ru-zeigt > .rk-wow-statement { margin-bottom: clamp(20px, 3vw, 36px); }

/* ─── Fragen + Autorenkarte ──────────────────────────────────────────────── */
.ru-fragen { display: grid; gap: clamp(28px, 4vw, 56px); align-items: start; }
.ru-fragen > * { min-width: 0; }
.ru-fragen .rk-wow-statement { margin-bottom: clamp(22px, 3vw, 36px); }
.ru-fragen .rk-faq__a p + p { margin-top: 10px; }
.ru-fragen__links { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 12px 0 0; padding: 0; list-style: none; }
.ru-fragen__links a { display: inline-flex; min-height: 44px; align-items: center; color: var(--text-primary); text-decoration: underline; text-underline-offset: .2em; }
@media (min-width: 900px) { .ru-fragen { grid-template-columns: minmax(0, 1.55fr) minmax(0, .9fr); } .ru-fragen__seite { position: sticky; top: var(--rk-wow-sticky-top); } }

.ru-autorkarte { position: relative; display: grid; gap: 14px; overflow: hidden; padding: clamp(22px, 3vw, 32px); border: 1px solid var(--rk-wow-line); border-radius: var(--rk-wow-r-card); background: var(--rk-wow-card); box-shadow: var(--rk-wow-sh-2); }
.ru-autorkarte__kopf { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 16px; align-items: center; }
.ru-autorkarte__zeichen { position: relative; display: grid; place-items: center; width: 64px; height: 64px; color: var(--text-primary); font-size: 1.35rem; letter-spacing: .02em; }
.ru-autorkarte__zeichen::before, .ru-autorkarte__zeichen::after { content: ""; position: absolute; inset: 0; border: 1.5px solid var(--rk-wow-hl-solid); border-radius: var(--rk-radius-xs, 4px); }
.ru-autorkarte__zeichen::after { inset: 6px; border-color: var(--rk-wow-line-strong); transform: rotate(12deg); }
.ru-autorkarte__name { margin: 0; font-size: var(--rk-wow-fs-title); line-height: 1.2; color: var(--text-primary); }
.ru-autorkarte__rolle { margin: 2px 0 0; font-size: var(--rk-wow-fs-tag); letter-spacing: .12em; text-transform: uppercase; color: var(--rk-gold-text); }
.ru-autorkarte p { margin: 0; color: var(--text-secondary); line-height: 1.6; }
.ru-autorkarte .rk-btn { justify-self: start; }

/* ─── Bewegung: nur Endzustand bei reduzierter Bewegung ─────────────────── */
@media (prefers-reduced-motion: reduce) { .ru-karte .rk-wow-audience__media img { transition: none; } .ru-stapel__platte--hinten { transform: none; } }
html.no-motion .ru-karte .rk-wow-audience__media img, [data-motion="reduced"] .ru-karte .rk-wow-audience__media img { transition: none; }

/* ─── Druck ──────────────────────────────────────────────────────────────── */
@media print {
  .ru .deco-layer, .ru-filter, .ru .rk-wow-cta { display: none !important; }
  .ru-stapel__platte--hinten { display: none; }
  .ru-karte { break-inside: avoid; box-shadow: none; }
}