/**
 * dai.css — schlanke Token-Schicht für eigene Seiten (K70 Phase 4).
 *
 * Konsumiert die Brand-Kit-Tokens (--dai-*, werden pro Seite als :root-Block
 * inline gerendert) und liefert wenige mobile-first Primitiven. Bewusst KEIN
 * Framework: keine Utilities, keine Grids-für-alles — nur was die dai_core-
 * Bausteine und Longform-Inhalte brauchen. ACSS bleibt Export-Ziel für
 * Tenant-WordPress; hier sind wir Hausherr.
 */

/* ── Basis ────────────────────────────────────────────────────────────── */
.dai-container {
  max-width: var(--dai-content-width, 56rem);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 1.5rem);
}

.dai-section {
  padding-block: clamp(2.5rem, 7vw, 5rem);
}

.dai-section--soft {
  background: var(--dai-color-surface, #f6f7f9);
}

/* ── Longform-Typografie (.dai-prose) ─────────────────────────────────── */
.dai-prose {
  max-width: 42rem;
  margin-inline: auto;
  font-size: clamp(1rem, 1.5vw, 1.0625rem);
  line-height: 1.7;
  color: var(--dai-color-text, #1b202b);
}

.dai-prose .dai-prose__kicker {
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--dai-color-primary, #1f5fb0);
  margin: 0 0 0.5rem;
}

.dai-prose h2 {
  font-family: var(--dai-font-headline, inherit);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  line-height: 1.25;
  color: var(--dai-color-primary, inherit);
  margin: 0 0 0.75rem;
}

.dai-prose h3 {
  font-family: var(--dai-font-headline, inherit);
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  line-height: 1.3;
  margin: 2rem 0 0.5rem;
}

.dai-prose p {
  margin: 0 0 1.1rem;
}

.dai-prose .dai-prose__lede {
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  color: #2b3340;
  margin-bottom: 1.5rem;
}

.dai-prose ul,
.dai-prose ol {
  margin: 0 0 1.1rem;
  padding-left: 1.4rem;
}

.dai-prose li {
  margin: 0.35rem 0;
}

.dai-prose blockquote {
  margin: 1.5rem 0;
  padding: 0.9rem 1.25rem;
  border-left: 4px solid var(--dai-color-primary, #1f5fb0);
  background: var(--dai-color-primary-ultra-light, #eef3fa);
  border-radius: 0 0.5rem 0.5rem 0;
}

.dai-prose blockquote p {
  margin: 0;
}

.dai-prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--dai-radius-m, 0.5rem);
}

.dai-prose a {
  color: var(--dai-color-primary, #1f5fb0);
}

/* ── Aktionen ─────────────────────────────────────────────────────────── */
.dai-button {
  display: inline-block;
  background: var(--dai-color-primary, #1f2937);
  color: var(--dai-color-primary-contrast, #fff);
  padding: 0.75rem 2rem;
  border-radius: var(--dai-radius-m, 0.5rem);
  text-decoration: none;
  font-weight: 600;
}

.dai-button:hover {
  filter: brightness(1.08);
}

.dai-button--ghost {
  /* Vollständig eigenständig: die Ghost-Variante trägt oft NICHT zusätzlich
     .dai-button (Beobachtung 22.07.: Label wurde abgeschnitten). */
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: var(--dai-radius-m, 0.5rem);
  font-weight: 600;
  text-decoration: none;
  background: transparent;
  color: var(--dai-color-primary, #1f5fb0);
  border: 1px solid var(--dai-color-primary, #1f5fb0);
}

/* ── Etch-Kompat-Schicht (21.07.) ─────────────────────────────────────────
   Die Etch-Library-Patterns erwarten Regeln aus dem WP-Etch-Theme, die im
   ACSS-Spiegel fehlen: Heading-Rollen via data-heading-level und .btn--*.
   Die Variablen (--h1…, --btn-*) liefert der Spiegel — hier nur die Regeln,
   mit Fallbacks für den Betrieb ganz ohne ACSS. */

[data-heading-level] {
  font-family: var(--dai-font-headline, inherit);
  font-weight: var(--heading-font-weight, 700);
  line-height: var(--heading-line-height, 1.2);
  color: var(--heading-color, var(--dai-color-text, inherit));
  margin-block: 0 0.5em;
}

[data-heading-level="h1"] { font-size: var(--h1, clamp(2rem, 5vw, 3rem)); }
[data-heading-level="h2"] { font-size: var(--h2, clamp(1.6rem, 4vw, 2.25rem)); }
[data-heading-level="h3"] { font-size: var(--h3, clamp(1.35rem, 3vw, 1.75rem)); }
[data-heading-level="h4"] { font-size: var(--h4, 1.125rem); }
[data-heading-level="h5"] { font-size: var(--h5, 1rem); }
[data-heading-level="h6"] { font-size: var(--h6, 0.875rem); }

.btn,
[class*="btn--"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: var(--btn-padding-block, 0.6em) var(--btn-padding-inline, 1.4em);
  border-radius: var(--btn-border-radius, var(--dai-radius-m, 0.5rem));
  font-weight: var(--btn-font-weight, 600);
  text-decoration: none;
  cursor: pointer;
  border: var(--btn-border-size, 2px) solid transparent;
}

.btn--primary {
  background: var(--primary, var(--dai-color-primary, #1f2937));
  color: var(--primary-ultra-light, var(--dai-color-primary-contrast, #fff));
}

.btn--primary:hover {
  background: var(--primary-hover, var(--dai-color-primary, #1f2937));
}

.btn--secondary {
  background: var(--secondary, var(--dai-color-secondary, #475569));
  color: var(--secondary-ultra-light, #fff);
}

.btn--outline {
  background: transparent;
  border-color: currentColor;
  color: var(--primary, var(--dai-color-primary, #1f5fb0));
}

.btn--neutral-light {
  color: var(--neutral-light, #f1f5f9);
}

/* ── Lightbox (dai-lightbox.js) ───────────────────────────────────────── */
.dai-lightbox {
  /* Explizit zentrieren — ACSS/Theme-Resets überschreiben sonst das
     UA-Styling nativer Dialoge (Beobachtung 21.07.: klebte oben links). */
  position: fixed;
  inset: 0;
  margin: auto;
  border: 0;
  padding: 0;
  background: transparent;
  width: fit-content;
  height: fit-content;
  max-width: min(94vw, 1200px);
  max-height: 94vh;
  overflow: visible;
}

.dai-lightbox::backdrop {
  background: rgba(10, 14, 22, 0.88);
}

.dai-lightbox__figur {
  margin: 0;
}

.dai-lightbox__bild {
  display: block;
  max-width: min(90vw, 1200px);
  max-height: 84vh;
  width: auto;
  height: auto;
  border-radius: 0.5rem;
}

.dai-lightbox__schliessen,
.dai-lightbox__pfeil {
  position: fixed;
  z-index: 2;
  border: 0;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-radius: 999px;
  width: 2.75rem;
  height: 2.75rem;
  font-size: 1.6rem;
  line-height: 1;
  display: grid;
  place-items: center;
}

.dai-lightbox__schliessen:hover,
.dai-lightbox__pfeil:hover {
  background: rgba(255, 255, 255, 0.28);
}

.dai-lightbox__schliessen { top: 1rem; right: 1rem; }
.dai-lightbox__pfeil--links { left: 1rem; top: 50%; translate: 0 -50%; }
.dai-lightbox__pfeil--rechts { right: 1rem; top: 50%; translate: 0 -50%; }

.dai-lightbox__zaehler {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  translate: -50% 0;
  margin: 0;
  color: #fff;
  font-size: 0.875rem;
  opacity: 0.85;
}

/* Galerie-Bilder als klickbar markieren */
[data-glightbox] img,
[data-glightbox="true"] img {
  cursor: zoom-in;
}

/* Section-Intro-CTAs: viele Etch-Patterns nutzen diese Klassen OHNE .btn--*
   (auf der Etch-Site stylt sie das Theme). Eine Session hat das am 20.07.
   punktuell in hero-bravo geflickt — hier die generische Regel für alle. */
.section-intro__cta-primary {
  display: inline-block;
  background: var(--primary, var(--dai-color-primary, #1f2937));
  /* Kontrastsicher: primary-ultra-light ist je nach Palette hellblau auf
     blau (Beobachtung 21.07., impeccable) — Kontrastfarbe/weiß erzwingen. */
  color: var(--dai-color-primary-contrast, #fff);
  padding: 0.75rem 1.5rem;
  border-radius: var(--dai-radius-m, 0.5rem);
  font-weight: 600;
  text-decoration: none;
}

.section-intro__cta-secondary {
  display: inline-block;
  border: 1px solid var(--primary, var(--dai-color-primary, #1f5fb0));
  color: var(--primary, var(--dai-color-primary, #1f5fb0));
  padding: 0.75rem 1.5rem;
  border-radius: var(--dai-radius-m, 0.5rem);
  font-weight: 600;
  text-decoration: none;
}

/* ══════════════════════════════════════════════════════════════════════════
   dai-hero-cine — cinematischer Hero (22.07.)
   CSS-only Animation (Aurora, Clip-Reveal, Ken-Burns), zweispaltig/zentriert.
   Kein JS: Hero ist above-the-fold → Load-Animation statt Scroll-Trigger.
   ══════════════════════════════════════════════════════════════════════════ */
.dai-hero-cine {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3rem, 8vw, 6.5rem);
  background: var(--dai-color-background, #fff);
  isolation: isolate;
}

/* Animierte Aurora — zwei weiche Farbwolken, nur transform/opacity (GPU). */
.dai-hero-cine__aurora {
  position: absolute;
  inset: -20%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(40% 55% at 20% 25%, var(--primary-light, rgba(80, 140, 255, 0.28)), transparent 70%),
    radial-gradient(45% 50% at 85% 30%, var(--dai-color-secondary, rgba(120, 90, 255, 0.22)), transparent 70%),
    radial-gradient(50% 60% at 60% 90%, var(--primary-ultra-light, rgba(60, 200, 190, 0.18)), transparent 70%);
  filter: blur(40px) saturate(1.15);
  animation: dai-hero-aurora 22s ease-in-out infinite alternate;
}

.dai-hero-cine__inner {
  position: relative;
  max-width: var(--dai-content-width, 68rem);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 1.5rem);
  display: grid;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}

/* Zweispaltig ab ~52rem; Text links, Medium rechts. */
.dai-hero-cine[data-hero-layout="zweispalten"] .dai-hero-cine__inner {
  grid-template-columns: 1fr;
}
@media (min-width: 52rem) {
  .dai-hero-cine[data-hero-layout="zweispalten"] .dai-hero-cine__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

/* Zentriert: eine Spalte, Text mittig, Medium als breites Band darunter. */
.dai-hero-cine[data-hero-layout="zentriert"] .dai-hero-cine__inner {
  grid-template-columns: 1fr;
  justify-items: center;
  text-align: center;
}
.dai-hero-cine[data-hero-layout="zentriert"] .dai-hero-cine__content {
  max-width: 46rem;
}
.dai-hero-cine[data-hero-layout="zentriert"] .dai-hero-cine__cta {
  justify-content: center;
}

/* ── Inhalt ─────────────────────────────────────────────────────────────── */
.dai-hero-cine__kicker {
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--primary, var(--dai-color-primary, #1f5fb0));
  margin: 0 0 0.6rem;
}

.dai-hero-cine__heading {
  font-family: var(--dai-font-headline, inherit);
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--dai-color-text, #10141c);
  margin: 0 0 1rem;
}

.dai-hero-cine__lede {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.6;
  color: var(--dai-color-text-muted, #4a5568);
  margin: 0 0 1.6rem;
  max-width: 42ch;
}

.dai-hero-cine__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ── Medium (Video + Bild) ──────────────────────────────────────────────── */
.dai-hero-cine__media {
  position: relative;
  animation: dai-hero-float 7s ease-in-out infinite alternate;
}

.dai-hero-cine__figure {
  margin: 0;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 30px 60px -25px rgba(15, 23, 42, 0.45);
  /* schimmernder Farbverlauf-Rand */
  background: linear-gradient(135deg, var(--primary, #1f5fb0), var(--dai-color-secondary, #7b5cff));
  padding: 2px;
}

.dai-hero-cine__image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: calc(1rem - 2px);
  animation: dai-hero-kenburns 18s ease-in-out infinite alternate;
}

/* Video gesetzt → iframe da → Poster-Bild ausblenden (CSS :has, CSP-safe). */
.dai-hero-cine__video:empty {
  display: none;
}
.dai-hero-cine__video iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  border-radius: 1rem;
  display: block;
  box-shadow: 0 30px 60px -25px rgba(15, 23, 42, 0.45);
}
.dai-hero-cine__media:has(.dai-hero-cine__video iframe) .dai-hero-cine__figure {
  display: none;
}

/* ── Eintritts-Animation (gestaffelt) ───────────────────────────────────── */
.dai-hero-cine__kicker,
.dai-hero-cine__lede,
.dai-hero-cine__cta,
.dai-hero-cine__media {
  animation: dai-hero-rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.dai-hero-cine__kicker { animation-delay: 0.05s; }
.dai-hero-cine__heading {
  animation: dai-hero-clip 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 0.15s;
}
.dai-hero-cine__lede { animation-delay: 0.32s; }
.dai-hero-cine__cta { animation-delay: 0.46s; }
.dai-hero-cine__media { animation-delay: 0.2s, 0s; }

@keyframes dai-hero-rise {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes dai-hero-clip {
  from { opacity: 0; transform: translateY(22px); clip-path: inset(0 0 100% 0); }
  to   { opacity: 1; transform: translateY(0);    clip-path: inset(0 0 0% 0); }
}
@keyframes dai-hero-aurora {
  from { transform: translate3d(-4%, -2%, 0) rotate(0deg) scale(1); }
  to   { transform: translate3d(4%, 3%, 0) rotate(8deg) scale(1.12); }
}
@keyframes dai-hero-float {
  from { transform: translateY(-6px); }
  to   { transform: translateY(6px); }
}
@keyframes dai-hero-kenburns {
  from { transform: scale(1); }
  to   { transform: scale(1.07); }
}

/* Barrierefreiheit: keine Bewegung, wenn der Nutzer sie abgewählt hat. */
@media (prefers-reduced-motion: reduce) {
  .dai-hero-cine__aurora,
  .dai-hero-cine__media,
  .dai-hero-cine__image,
  .dai-hero-cine__kicker,
  .dai-hero-cine__heading,
  .dai-hero-cine__lede,
  .dai-hero-cine__cta {
    animation: none !important;
  }
}

/* ══════════════════════════════════════════════════════════════════════════
   dai-hero-buehne — immersiver Vollbild-Hero (22.07.)
   Einspaltig, Inhalt über vollflächigem Hintergrund. Default = abstrakte
   Mesh-Animation; ein gesetztes Bild füllt den Hintergrund (Ken-Burns).
   Nutzt die keyframes aus dem cine-Block (dai-hero-rise/clip/kenburns).
   ══════════════════════════════════════════════════════════════════════════ */
.dai-hero-buehne {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  min-height: min(88vh, 780px);
  display: grid;
  align-items: center;
  padding-block: clamp(4rem, 12vh, 9rem);
  color: #fff;
}

/* Abstrakte Mesh-Animation: driftende Farbwolken auf dunklem Grund.
   Farbschema + Tempo sind über CSS-Custom-Properties einstellbar (Default =
   ozean, ruhig). Die data-hero-*-Varianten unten überschreiben nur diese
   Variablen — genau die Andockpunkte für spätere UI-Slider. */
.dai-hero-buehne {
  --hero-c1: #2b6fff;   /* oben links   */
  --hero-c2: #3aa8ff;   /* oben rechts  */
  --hero-c3: #0fb5a6;   /* unten mitte  */
  --hero-c4: #1e4fb0;   /* unten links  */
  --hero-dur: 42s;      /* ruhig = langsam, dezent */
  --hero-sat: 1;
}
.dai-hero-buehne__bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(38% 44% at 22% 28%, var(--hero-c1), transparent 60%),
    radial-gradient(36% 42% at 80% 22%, var(--hero-c2), transparent 60%),
    radial-gradient(46% 52% at 65% 82%, var(--hero-c3), transparent 62%),
    radial-gradient(40% 48% at 15% 85%, var(--hero-c4), transparent 60%),
    linear-gradient(135deg, #0b1220, #131a2e 60%, #0b1220);
  background-size: 180% 180%, 170% 170%, 190% 190%, 175% 175%, 100% 100%;
  filter: saturate(var(--hero-sat));
  animation: dai-buehne-mesh var(--hero-dur) ease-in-out infinite alternate;
}

/* ── Optionen: Farbschema ─────────────────────────────────────────────── */
.dai-hero-buehne[data-hero-scheme="sonnenuntergang"] {
  --hero-c1: #ff7a45; --hero-c2: #ff4d8d; --hero-c3: #a15cff; --hero-c4: #ffb454;
}
.dai-hero-buehne[data-hero-scheme="wald"] {
  --hero-c1: #2fae6a; --hero-c2: #0fb5a6; --hero-c3: #7bc96f; --hero-c4: #1e6f5c;
}
.dai-hero-buehne[data-hero-scheme="brand"] {
  --hero-c1: var(--primary, #2b6fff);
  --hero-c2: var(--primary-light, #5b8cff);
  --hero-c3: var(--dai-color-secondary, #7b5cff);
  --hero-c4: var(--primary-hover, #1e4fb0);
}

/* ── Optionen: Tempo (leicht → lebhaft) ───────────────────────────────── */
.dai-hero-buehne[data-hero-tempo="lebhaft"] { --hero-dur: 20s; --hero-sat: 1.15; }
.dai-hero-buehne[data-hero-tempo="statisch"] { --hero-dur: 0s; }

/* Vollflächiges Bild (falls gesetzt). Leeres src → ausgeblendet, dann zeigt
   sich die Mesh-Animation. */
.dai-hero-buehne__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  margin: 0;
  overflow: hidden;
}
.dai-hero-buehne__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: dai-hero-kenburns 22s ease-in-out infinite alternate;
}
.dai-hero-buehne__image:not([src]),
.dai-hero-buehne__image[src=""] {
  display: none;
}

/* Scrim: sichert Textkontrast über Bild UND Animation. */
.dai-hero-buehne__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(6, 10, 20, 0.30), rgba(6, 10, 20, 0.62)),
    radial-gradient(80% 60% at 30% 40%, rgba(6, 10, 20, 0.35), transparent 70%);
}

.dai-hero-buehne__inner {
  position: relative;
  max-width: 52rem;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2rem);
  text-align: center;
}

.dai-hero-buehne__kicker {
  font-size: 0.8125rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 0.8rem;
  animation: dai-hero-rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 0.05s;
}
.dai-hero-buehne__heading {
  font-family: var(--dai-font-headline, inherit);
  /* Explizit weiß: Theme-/ACSS-h1-Regeln (dunkel) schlagen sonst die vom
     Section geerbte Farbe (Element-Selektor > Vererbung). */
  color: #fff;
  font-size: clamp(2.2rem, 6.5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 1.1rem;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.35);
  animation: dai-hero-clip 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 0.15s;
}
.dai-hero-buehne__lede {
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 auto 1.8rem;
  max-width: 44ch;
  animation: dai-hero-rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 0.32s;
}
.dai-hero-buehne__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
  animation: dai-hero-rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 0.46s;
}
/* Ghost-CTA auf dunklem Grund: heller Rahmen/Text. */
.dai-hero-buehne .dai-button--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}

@keyframes dai-buehne-mesh {
  0%   { background-position: 0% 0%, 100% 0%, 50% 100%, 0% 100%, 0 0; }
  50%  { background-position: 40% 30%, 60% 40%, 30% 60%, 70% 40%, 0 0; }
  100% { background-position: 100% 100%, 0% 100%, 80% 0%, 100% 0%, 0 0; }
}

@media (prefers-reduced-motion: reduce) {
  .dai-hero-buehne__bg,
  .dai-hero-buehne__image,
  .dai-hero-buehne__kicker,
  .dai-hero-buehne__heading,
  .dai-hero-buehne__lede,
  .dai-hero-buehne__cta {
    animation: none !important;
  }
}