/* =========================================================
   LEITBILD – IMMERSIVE 6-SÄULEN-EXPERIENCE
   Dedicated stylesheet for the Leitbild page.

   Sections:
   1. Intro (editorial text)
   2. Overview Grid (6 pillar cards)
   3. Sticky Navigator
   4. Pillar Sections (hero + content)
   5. Closing Section
   6. Animation States (GSAP initial states)
   7. Responsive
   8. Reduced Motion
   ========================================================= */


/* ── 1. INTRO SECTION ────────────────────────────────────── */

.leitbild-intro,
section.article.leitbild-intro,
#leitbild-intro {
  border-radius: 0 !important;
  box-shadow: none !important;
  border: none !important;
  max-width: 100% !important;
  width: 100% !important;
  margin-inline: 0 !important;
  background-color: transparent;
}

.leitbild-intro__header {
  text-align: center;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.leitbild-intro__header h2 {
  margin-bottom: var(--space-12);
}

.leitbild-intro__header h3 {
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 0;
  max-width: 28ch;
  margin-inline: auto;
}

/* Blockquote inside intro — Apple-style accent border */
.leitbild-intro .article__body blockquote {
  border-left: 3px solid var(--accent-color);
  padding-left: var(--space-24);
  margin-block: clamp(2rem, 4vw, 3rem);
  max-width: 653px;
}

.leitbild-intro .article__body blockquote p {
  font-size: var(--lead-fs);
  line-height: var(--lead-lh);
  color: var(--text-color);
  margin: 0;
}

/* Dynamic hand-drawn marker underline (Säule 01 Blau: #2292cc) */
.quote-underline {
  position: relative;
  display: inline-block;
  white-space: nowrap;
}

.quote-underline__svg {
  position: absolute;
  left: -10%;
  bottom: -0.70em;
  width: 120%;
  height: 0.65em;
  color: var(--saeule01-blau, #2292cc);
  pointer-events: none;
  overflow: visible;
  transform: rotate(180deg);
}


/* ── 2. OVERVIEW GRID ────────────────────────────────────── */

.leitbild-overview {
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  max-width: 100%;
  margin-inline: 0;
  margin-block: 0;
  padding-block: var(--section-padding-block);
  position: relative;
}

@media (max-width: 768px) {
  .leitbild-overview {
    border-radius: 0;
    box-shadow: none;
    max-width: 100%;
    margin-block: 0;
    padding-block: var(--section-padding-block);
  }
}

.leitbild-overview .section-head {
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.leitbild-overview__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(0.75rem, 1.8vw, 1.75rem);
  max-width: var(--container-1200);
  margin-inline: auto;
  align-items: end;
}

.leitbild-overview__card {
  display: block;
  text-decoration: none;
  background: transparent;
  border: none;
  border-radius: var(--border-radius, 20px);
  padding: 0;
  cursor: pointer;
  transform: none !important;
  transform-origin: 50% 90%;
  transition: transform 0.38s cubic-bezier(0.2, 0.9, 0.3, 1.15),
              filter 0.38s ease;
  will-change: transform;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

/* Alle Säulen standardmäßig exakt gleichauf – auch wenn eine Säule aktiv/ausgewählt ist */
.leitbild-overview__card,
.leitbild-overview__card.is-active,
.leitbild-overview__card:focus,
.leitbild-overview__card:focus-visible {
  transform: none !important;
}

/* Klick-Feedback (nur während des Klicks) */
.leitbild-overview__card:active {
  transform: translateY(-2px) scale(0.97) !important;
  transition-duration: 0.12s;
}

/* Spürbar intensivere, lebendige Hover-Animation nur auf der gehoverten Säule */
@media (hover: hover) and (pointer: fine) {
  .leitbild-overview__card:hover {
    transform: translateY(-12px) scale(1.03) !important;
    filter: brightness(1.05) saturate(1.04);
    transition: transform 0.35s cubic-bezier(0.2, 0.9, 0.3, 1.18),
                filter 0.35s ease;
    z-index: 2;
  }
}



.leitbild-overview__saeule-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
  pointer-events: none;
}


/* ── 4. PILLAR SECTIONS ──────────────────────────────────── */

.leitbild-saeulen {
  position: relative;
}

.leitbild-saeule {
  display: none; /* Hidden by default until clicked */
  position: relative;
  overflow: hidden;
  padding-block: var(--section-padding-block);
  scroll-margin-top: 60px;
  background-image: url('../system/background_427141456.avif');
  background-position: top center;
  background-repeat: repeat;
}

.leitbild-saeule.is-active {
  display: block;
}

/* Back-to-Overview Pill Buttons */
.leitbild-saeule__top-nav {
  padding-top: 0;
  display: flex;
  justify-content: flex-start;
  position: relative;
  z-index: 10;
}

.leitbild-saeule__bottom-nav {
  padding-top: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: 0;
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 10;
}

.leitbild-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  color: var(--text-color);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  padding: 10px 20px 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.028), 0 1px 2px rgba(0, 0, 0, 0.015);
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.2s ease,
              border-color 0.2s ease,
              box-shadow 0.25s ease,
              color 0.2s ease;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.leitbild-back-btn:hover {
  background: #ffffff;
  color: var(--saeule-color, var(--accent-color));
  border-color: rgba(0, 0, 0, 0.16);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.055);
  transform: translateX(-3px);
}

.leitbild-back-btn:active {
  transform: scale(0.97);
}

.leitbild-back-btn__icon {
  display: block;
  width: 16px;
  height: 16px;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.leitbild-back-btn:hover .leitbild-back-btn__icon {
  transform: translateX(-3px);
}

.leitbild-back-btn--bottom {
  font-size: 15px;
  padding: 13px 26px 13px 20px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
}

/* Per-pillar color */
.leitbild-saeule[data-saeule="01"] { --saeule-color: var(--saeule01-blau); }
.leitbild-saeule[data-saeule="02"] { --saeule-color: var(--saeule02-rot); }
.leitbild-saeule[data-saeule="03"] { --saeule-color: var(--saeule03-orange); }
.leitbild-saeule[data-saeule="04"] { --saeule-color: var(--saeule04-gruen); }
.leitbild-saeule[data-saeule="05"] { --saeule-color: var(--saeule05-rosa); }
.leitbild-saeule[data-saeule="06"] { --saeule-color: var(--saeule06-lila); }

/* Alternating backgrounds */
.leitbild-saeule:nth-child(odd) {
  background-color: var(--bg-white);
}
.leitbild-saeule:nth-child(even) {
  background-color: var(--bg-grey);
}

/* --- 4a. Pillar Hero --- */

.leitbild-saeule__hero {
  text-align: center;
  padding-top: clamp(3rem, 7vw, 7rem);
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
  position: relative;
  z-index: 1;
}

.leitbild-saeule__icon-wrap {
  position: relative;
  width: clamp(88px, 14vw, 140px);
  height: clamp(88px, 14vw, 140px);
  margin-inline: auto;
  margin-bottom: clamp(1.25rem, 2.5vw, 2rem);
}

.leitbild-saeule__icon {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 50%;
}

/* Subtle glow ring around icon — animates in */
.leitbild-saeule__icon-glow {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 2px solid var(--saeule-color);
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.8s var(--ease-smooth),
              transform 0.8s var(--ease-smooth);
}

.leitbild-saeule.lb-hero-visible .leitbild-saeule__icon-glow {
  opacity: 0.25;
  transform: scale(1);
}

.leitbild-saeule__number {
  display: block;
  font-size: var(--base-fs);
  font-weight: bold;
  letter-spacing: var(--base-ls);
  text-transform: uppercase;
  color: var(--saeule-color);
  margin-bottom: var(--space-12);
}

.leitbild-saeule__title {
  margin-bottom: var(--space-16);
  max-width: 18ch;
  margin-inline: auto;
}

.leitbild-saeule__subtitle {
  font-size: var(--lead-fs);
  font-weight: var(--lead-fw);
  line-height: var(--lead-lh);
  letter-spacing: var(--lead-ls);
  color: var(--text-muted);
  max-width: min(100%, 750px);
  margin-inline: auto;
  margin-top: 0;
  text-wrap: balance;
}

@media (min-width: 769px) {
  .leitbild-saeule__subtitle {
    white-space: nowrap;
    max-width: none;
  }
}

/* Decorative accent line */
.leitbild-saeule__accent {
  width: 72px;
  height: 3px;
  background: var(--saeule-color);
  margin: clamp(1.5rem, 3vw, 2.5rem) auto 0;
  border-radius: 2px;
}

/* --- 4b. Pillar Content --- */

.leitbild-saeule__content {
  position: relative;
  z-index: 1;
  max-width: var(--container-653);
  margin-inline: auto;
  padding-bottom: clamp(2rem, 5vw, 5rem);
}

.leitbild-kapitel {
  margin-top: clamp(2.5rem, 4.5vw, 3.5rem);
}

.leitbild-kapitel:first-child {
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
}

.leitbild-intro__header .section-subheadline {
  margin-top: 0;
  margin-bottom: var(--space-12);
}

.leitbild-kapitel h4,
.leitbild-kapitel .section-subheadline {
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--text-color);
}

/* Closing bold statement — Apple-grade typographic treatment */
.leitbild-kapitel__closing {
  margin-top: clamp(2rem, 3.5vw, 3rem);
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
  position: relative;
  max-width: 653px;
}

/* Refined top rule — thin, saeule-colored, centered with controlled width */
.leitbild-kapitel__closing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 2px;
  background: var(--saeule-color);
  border-radius: 1px;
  opacity: 0.7;
}

.leitbild-kapitel__closing p {
  margin: 0;
}

.leitbild-kapitel__closing strong {
  display: block;
  font-size: clamp(1.125rem, 0.875rem + 0.75vw, 1.375rem);
  line-height: 1.6;
  letter-spacing: -0.01em;
  color: var(--text-color);
}

/* Even-pillar variant — no visual difference, Apple consistency */
.leitbild-saeule:nth-child(even) .leitbild-kapitel__closing {
  /* Intentionally identical — Apple removes visual noise, not adds it */
}

/* --- 4c. Background Floating Icon --- */

.leitbild-saeule__bg-icon {
  position: absolute;
  right: -8%;
  top: 20%;
  width: clamp(200px, 28vw, 380px);
  height: auto;
  opacity: 0.025;
  pointer-events: none;
  z-index: 0;
  user-select: none;
  -webkit-user-drag: none;
}


/* ── 5. CLOSING SECTION ──────────────────────────────────── */

.leitbild-abschluss {
  background: var(--bg-black);
  color: var(--text-white);
  text-align: center;
  overflow: hidden;
  padding-block: var(--section-padding-block);
}

.leitbild-abschluss__inner {
  max-width: var(--container-980);
  margin-inline: auto;
}

.leitbild-abschluss h2 {
  color: var(--text-white);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.leitbild-abschluss p {
  color: rgba(245, 245, 247, 0.72);
  max-width: min(100%, 780px);
  margin-inline: auto;
  font-size: clamp(1.0625rem, 1.25vw, 1.1875rem);
  line-height: 1.65;
}

.leitbild-abschluss strong {
  color: var(--text-white);
}

/* 6 icons row */
.leitbild-abschluss__icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 2rem);
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.leitbild-abschluss__icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 50%;
  padding: 0;
  cursor: pointer;
  text-decoration: none;
  transform: none !important;
  transition: transform 0.38s cubic-bezier(0.2, 0.9, 0.3, 1.15),
              filter 0.38s ease;
  will-change: transform;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.leitbild-abschluss__icon-btn:active {
  transform: translateY(-2px) scale(0.97) !important;
  transition-duration: 0.12s;
}

@media (hover: hover) and (pointer: fine) {
  .leitbild-abschluss__icon-btn:hover {
    transform: translateY(-10px) scale(1.08) !important;
    filter: brightness(1.08) saturate(1.05);
    transition: transform 0.35s cubic-bezier(0.2, 0.9, 0.3, 1.18),
                filter 0.35s ease;
    z-index: 2;
  }
}

.leitbild-abschluss__icon {
  width: clamp(44px, 7vw, 68px);
  height: clamp(44px, 7vw, 68px);
  border-radius: 50%;
  display: block;
  pointer-events: none;
}

.leitbild-abschluss .section-subheadline {
  color: var(--text-white);
  margin-top: 0;
  margin-bottom: clamp(1rem, 2vw, 1.5rem);
}

/* Blockquote / article-quote in closing — prominent */
.leitbild-abschluss blockquote {
  border: none;
  padding: 0;
  margin: clamp(2rem, 4vw, 3.5rem) auto;
  max-width: min(100%, 820px);
}

.leitbild-abschluss blockquote p {
  font-size: var(--lead-fs);
  line-height: var(--lead-lh);
  color: var(--text-white);
  max-width: min(100%, 820px);
}

.leitbild-abschluss .article-quote {
  color: var(--text-white);
  max-width: min(100%, 820px);
}

.leitbild-abschluss .article-quote__text {
  color: var(--text-white);
}

.leitbild-abschluss .article-quote__author {
  color: var(--text-white);
}

.leitbild-abschluss .article-quote__role {
  color: rgba(245, 245, 247, 0.6);
}

/* Final statement */
.leitbild-abschluss__final {
  margin-top: clamp(2rem, 4vw, 3.5rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid rgba(245, 245, 247, 0.12);
}

.leitbild-abschluss__final p {
  color: rgba(245, 245, 247, 0.56);
  max-width: min(100%, 780px);
  line-height: 1.8;
}

.leitbild-abschluss__final strong {
  color: var(--text-white);
  font-size: var(--h5-fs);
  line-height: var(--h5-lh);
}


/* ── 6. ANIMATION INITIAL STATES ─────────────────────────── */
/* Set by JS before GSAP animates them. Keeps content visible
   without JS (progressive enhancement).                       */

.lb-fade-up {
  opacity: 0;
  transform: translateY(28px);
  will-change: opacity, transform;
}

.lb-fade-in {
  opacity: 0;
  will-change: opacity;
}

.lb-scale-in {
  opacity: 0;
  transform: scale(0.65);
  filter: blur(14px);
  will-change: opacity, transform, filter;
}

.lb-line-grow {
  transform: scaleX(0);
  will-change: transform;
}

.lb-stagger-line {
  opacity: 0;
  transform: translateY(12px);
  will-change: opacity, transform;
}


/* ── 7. RESPONSIVE ───────────────────────────────────────── */

/* Tablet */
@media (max-width: 1024px) {
  .leitbild-overview__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1rem, 2.5vw, 2rem);
    max-width: 720px;
  }

  .leitbild-nav__label {
    font-size: 9px;
    max-width: 60px;
  }

  .leitbild-saeule__bg-icon {
    right: -15%;
    opacity: 0.018;
  }
}

/* Large phone / small tablet */
@media (max-width: 768px) {
  .leitbild-overview__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(0.625rem, 2vw, 1.25rem);
    max-width: 580px;
  }

  .leitbild-nav__track {
    gap: 0.75rem;
  }

  .leitbild-nav__label {
    display: none;
  }

  .leitbild-nav__icon {
    width: 28px;
    height: 28px;
  }

  .leitbild-saeule__bg-icon {
    display: none;
  }
}

/* Small phone */
@media (max-width: 480px) {
  .leitbild-overview__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(0.75rem, 3vw, 1.25rem);
    max-width: 360px;
  }
}


/* ── 8. REDUCED MOTION ───────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .lb-fade-up,
  .lb-fade-in,
  .lb-scale-in,
  .lb-line-grow,
  .lb-stagger-line {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    will-change: auto !important;
  }

  .leitbild-saeule__icon-glow {
    opacity: 0.25 !important;
    transform: scale(1) !important;
    transition: none !important;
  }

  .leitbild-overview__card {
    transition: none !important;
  }

  .leitbild-nav {
    opacity: 1 !important;
    transition: none !important;
  }

  .leitbild-nav__icon {
    transition: none !important;
  }
}