/* ═══════════════════════════════════════════════
   MEISTER ESTRICHE & DESIGNBÖDEN
   CSS — Vanilla, kein Framework
   Inspiriert von jeskojets.com
═══════════════════════════════════════════════ */

/* ── RESET & VARIABLES ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --cream:     #FFFFFF;
  --cream-2:   #FAF6EE;
  --dark:      #1C1410;
  --dark-2:    #2A1F17;
  --text:      #312726;
  --text-muted:#7A6A60;
  --anthrazit: #3D3935;
  --gold:      #C9A870;
  --gold-light:#E8D5A8;
  --concrete:  #B5A99A;
  --white:     #FFFFFF;

  --font-sans: 'Inter', system-ui, sans-serif;
  --font-display: 'Syne', system-ui, sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-inout: cubic-bezier(0.65, 0, 0.35, 1);
}

html {
  font-size: 16px;
  scroll-behavior: auto; /* Lenis übernimmt */
}

body {
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--text);
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* Custom Cursor */
.cursor {
  position: fixed;
  width: 10px; height: 10px;
  background: var(--text);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, width 0.3s var(--ease-out), height 0.3s var(--ease-out), background 0.3s;
  mix-blend-mode: multiply;
}
.cursor--grow { width: 60px; height: 60px; background: var(--gold); opacity: 0.4; }

/* ── LABELS ── */
.label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  border: none;
  text-decoration: none;
}
.btn--pill {
  padding: 0.7rem 1.4rem;
  background: var(--text);
  color: var(--cream);
  border-radius: 100px;
}
.btn--pill:hover { background: var(--anthrazit); transform: scale(1.03); }
.btn--sm { padding: 0.5rem 1rem; font-size: 0.78rem; }
.btn--dark {
  background: var(--text);
  color: var(--cream);
  border-radius: 100px;
  padding: 0.7rem 1.4rem;
}
.btn--light {
  background: var(--cream);
  color: var(--text);
  border-radius: 100px;
  padding: 0.9rem 1.8rem;
  font-size: 0.9rem;
}
.btn--light:hover { background: var(--gold-light); }

/* ── PRELOADER ── */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--cream);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.preloader__inner { text-align: center; }
.preloader__logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  color: var(--text);
}
.preloader__bar {
  width: 200px;
  height: 1px;
  background: var(--concrete);
  margin: 0 auto;
  overflow: hidden;
}
.preloader__fill {
  height: 100%;
  width: 0%;
  background: var(--text);
  transition: width 0.05s linear;
}

/* ── NAVIGATION ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 1.2rem 2rem;
  mix-blend-mode: difference;
}
.nav__left { display: flex; gap: 1.8rem; }
.nav__right { display: flex; gap: 1.8rem; justify-content: flex-end; }
.nav__link {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--cream);
  transition: opacity 0.2s;
}
.nav__link:hover { opacity: 0.6; }
.nav__brand {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--cream);
}

/* ─────────────────────────────────────────────
   SECTION 1: HERO
───────────────────────────────────────────── */
.hero {
  position: relative;
  width: 100vw;
  height: 500vh; /* Scroll-Pinning Raum */
  background: var(--cream);
}

/* Runder Viewport-Ausschnitt (Kreisfenster auf Estrich) */
.hero__window-wrap {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cream);
  overflow: hidden;
  z-index: 1;
}

.hero__window {
  position: relative;
  width: 46vw;
  aspect-ratio: 1 / 1.05;
  border-radius: 50%;
  overflow: hidden;
  box-shadow:
    0 0 0 1.5px var(--concrete),
    0 0 0 18px var(--cream),
    0 0 0 20px var(--concrete),
    0 0 0 40px rgba(255,248,237,0.6),
    0 60px 100px rgba(49,39,38,0.12);
  will-change: transform, border-radius;
  transform-origin: center center;
}

.hero__canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Split Headlines — fixed über dem Sticky-Fenster */
.hero__title-l,
.hero__title-r {
  position: fixed;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--text);
  z-index: 5;
  pointer-events: none;
}
.hero__title-l {
  bottom: 14vh;
  left: 3.5vw;
}
.hero__title-r {
  top: 26vh;
  right: 3.5vw;
  text-align: right;
}
.hero__title-l span,
.hero__title-r span { display: block; }

/* Bottom Elemente */
.hero__desc-l {
  position: fixed;
  bottom: 5.5vh;
  left: 3.5vw;
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--text-muted);
  z-index: 5;
}
.hero__cta-wrap {
  position: fixed;
  bottom: 5.5vh;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
}
.hero__scroll {
  position: fixed;
  bottom: 5.5vh;
  right: 3.5vw;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  z-index: 5;
}
.hero__scroll-line {
  display: block;
  width: 28px;
  height: 1px;
  background: var(--text-muted);
}

/* Brand-Schriftzug im Bullauge — wandert beim Scrollen nach oben, landet als Nav-Brand */
.hero__brand {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--text); /* dunkles Anthrazit — klarer Kontrast auf hellen/mittleren Hintergründen */
  z-index: 101;
  pointer-events: auto;
  cursor: pointer;
  text-decoration: none;
  will-change: transform, top;
  /* Heller Glow für zusätzlichen Kontrast auf dunkleren/komplexen Hintergründen */
  filter:
    drop-shadow(0 0 2px rgba(255, 255, 255, 0.8))
    drop-shadow(0 0 10px rgba(255, 255, 255, 0.5))
    drop-shadow(0 0 22px rgba(255, 248, 237, 0.3));
  transition: opacity 0.2s ease;
}
.hero__brand:hover {
  opacity: 0.7;
}
.hero__brand-main {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 56px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}
.hero__brand-tag {
  font-family: var(--font-sans);
  font-size: clamp(10.8px, 0.9vw, 14.4px);
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  margin-top: 10px;
  opacity: 0.95;
  transition: opacity 0.1s linear;
}

/* ─────────────────────────────────────────────
   SECTION 2: STATEMENT
───────────────────────────────────────────── */
.statement {
  position: relative;
  background: var(--cream);
  overflow: hidden;
}

.statement__content {
  position: relative;
  z-index: 2;
  padding: 10vh 5vw 12vh;
  background: var(--cream);
}

.statement__text {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.8vw, 3.4rem);
  font-weight: 700;
  line-height: 1.18;
  max-width: 860px;
  color: var(--text);
  margin-bottom: 6rem;
}

.statement__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 900px;
  margin-left: auto;
  padding-top: 3rem;
  border-top: 1px solid var(--concrete);
}
.statement__feature:first-child {
  border-right: 1px solid var(--concrete);
  padding-right: 3rem;
}
.statement__feature .label { color: var(--text-muted); }
.statement__feature p {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 1.4rem;
}

/* ─────────────────────────────────────────────
   SECTION 3: CHARAKTER (Scroll-Pinned)
───────────────────────────────────────────── */
.character {
  position: relative;
  background: var(--cream);
}

.character__pin-wrap {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0;
  background: var(--cream);
}

.character__title-l {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.2vw, 4.8rem);
  font-weight: 800;
  line-height: 1;
  color: var(--text);
  text-align: right;
  flex: 1;
  padding: 0 2.5vw 0 3vw;
  white-space: nowrap;
  overflow: hidden;
}

.character__title-r {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.2vw, 4.8rem);
  font-weight: 800;
  line-height: 1;
  color: var(--text);
  text-align: left;
  flex: 1;
  padding: 0 3vw 0 2.5vw;
  white-space: nowrap;
  overflow: hidden;
}

.character__canvas-wrap {
  width: clamp(200px, 22vw, 340px);
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
  box-shadow:
    0 0 0 1px var(--concrete),
    0 0 0 14px var(--cream),
    0 0 0 16px var(--concrete),
    0 30px 60px rgba(49,39,38,0.1);
  z-index: 1;
}
.character__canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* Material-Karussell Label — fadet bei jedem Materialwechsel mit ein */
.character__material-label {
  position: absolute;
  left: 50%;
  bottom: 12%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: clamp(8px, 0.7vw, 10.5px);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cream);
  padding: 5px 11px;
  background: rgba(28, 20, 16, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 2px;
  white-space: normal;
  max-width: 78%;
  text-align: center;
  line-height: 1.5;
  transition: opacity 0.6s ease;
  pointer-events: none;
  z-index: 2;
}
.character__sub {
  position: absolute;
  bottom: 8vh;
  left: 3.5vw;
  font-size: 0.9rem;
}
.character__sub .label { margin-bottom: 0.25rem; }

/* Spec section — überdeckt die gepinnte Section */
.character__spec {
  position: relative;
  z-index: 3;
  background: var(--cream);
  padding: 8rem 5vw 6rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 4rem;
  align-items: start;
  border-top: 1px solid var(--concrete);
}
.spec__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  grid-column: 1/-1;
}
.spec__model {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  grid-column: 1/-1;
  line-height: 1;
}
.spec__tagline {
  grid-column: 1/-1;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}
.spec__grid {
  grid-column: 1/-1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--concrete);
  background: var(--concrete);
  margin-bottom: 2rem;
}
.spec__item {
  background: var(--cream);
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.spec__item--wide { grid-column: span 2; }
.spec__key {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  font-weight: 600;
}
.spec__val {
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.55;
  color: var(--text);
}
.spec__desc {
  grid-column: 1/-1;
}
.spec__desc p {
  max-width: 600px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ─────────────────────────────────────────────
   SECTION 4: LEISTUNGEN / TYPEN
───────────────────────────────────────────── */
.types {
  padding: 6rem 5vw;
  background: var(--cream);
}
.types__intro {
  margin-bottom: 3rem;
}
.types__headline {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-top: 1.1rem;
  max-width: 20ch;
}
.types__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--concrete);
  border: 1px solid var(--concrete);
}
.types__card {
  background: var(--cream);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 0.3s;
}
.types__card:hover { background: var(--cream-2); }
.types__card--link {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.types__card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  margin-top: auto;
  padding-top: 0.6rem;
  border-top: 1px solid var(--concrete);
  transition: gap 0.3s;
}
.types__card--link:hover .types__card-cta { gap: 0.9rem; color: var(--gold); }
.types__card-cta svg { transition: transform 0.3s; }
.types__card--link:hover .types__card-cta svg { transform: translateX(3px); }
.types__card-media {
  margin: -2.5rem -2rem 0.5rem;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--concrete);
}
.types__card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.types__card:hover .types__card-media img { transform: scale(1.06); }
.types__card-num {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  font-weight: 500;
}
.types__card-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.2;
}
.types__card-text {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-muted);
  flex: 1;
}
.types__card-specs {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  border-top: 1px solid var(--concrete);
  padding-top: 1rem;
}
.types__card-specs li {
  font-size: 0.75rem;
  color: var(--text-muted);
  padding-left: 0.8rem;
  position: relative;
}
.types__card-specs li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold);
}

/* ─────────────────────────────────────────────
   SECTION 5: ADVANTAGES AKKORDEON
───────────────────────────────────────────── */
.advantages {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  background: var(--cream);
}
.advantages__left {
  padding: 6rem 4rem 6rem 5vw;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}
.advantages__intro { }

.accordion { display: flex; flex-direction: column; }
.accordion__item {
  border-top: 1px solid var(--concrete);
  overflow: hidden;
}
.accordion__item:last-child { border-bottom: 1px solid var(--concrete); }
.accordion__btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  text-align: left;
}
.accordion__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-out);
}
.accordion__item--open .accordion__icon { transform: rotate(45deg); }
.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out);
}
.accordion__item--open .accordion__body { max-height: 200px; }
.accordion__body p {
  padding-bottom: 1.5rem;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-muted);
}

.advantages__right {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}
.advantages__img-wrap {
  width: 100%;
  height: 100%;
}
.advantages__canvas {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* STATS BAR */
/* ─────────────────────────────────────────────
   GOOGLE REVIEWS (Elfsight)
───────────────────────────────────────────── */
.reviews {
  padding: 7rem 5vw 6rem;
  background: var(--cream);
}
.reviews__intro {
  margin-bottom: 3rem;
}
.reviews__headline {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-top: 1rem;
  max-width: 20ch;
}
@media (max-width: 700px) {
  .reviews { padding: 4.5rem 6vw; }

  /* Hero: Headlines für schmale Screens (hero__window-Breite siehe 600px-Query,
     die nach der 900px-Query steht und damit die Source-Order gewinnt) */
  .hero__title-l,
  .hero__title-r { font-size: clamp(1.9rem, 8.5vw, 2.6rem); }
  .hero__title-r { top: 15vh; }
  .hero__title-l { bottom: 19vh; }
  .hero__desc-l { display: none; }   /* zu eng in der Bottom-Reihe auf Mobil */
  .hero__scroll { display: none; }   /* Scroll-Hinweis auf Mobil ausblenden */

  /* Character: horizontales „Text | Kreis | Text" → vertikal stapeln */
  .character__pin-wrap {
    flex-direction: column;
    justify-content: center;
    gap: 0;
    padding: 12vh 6vw;
  }
  .character__title-l,
  .character__title-r {
    flex: none;
    text-align: center;
    padding: 0;
    overflow: visible;
    font-size: clamp(2rem, 11vw, 3.4rem);
    line-height: 1.02;
  }
  .character__title-l { order: 1; }
  .character__title-r { order: 2; margin-bottom: 4.5vh; }
  .character__canvas-wrap { order: 3; width: min(66vw, 280px); }
  .character__material-label { font-size: 9px; max-width: 84%; }
  .character__sub {
    order: 4;
    position: static;
    left: auto;
    bottom: auto;
    margin-top: 4.5vh;
    text-align: center;
  }
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--concrete);
  border-bottom: 1px solid var(--concrete);
  background: var(--cream);
}
.stats-bar__item {
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  border-right: 1px solid var(--concrete);
}
.stats-bar__item:last-child { border-right: none; }
.stats-bar__label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}
.stats-bar__val {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

/* ─────────────────────────────────────────────
   SECTION 6: REGION / DARK
───────────────────────────────────────────── */
.region {
  position: relative;
  background: var(--dark);
  color: var(--cream);
  min-height: 200vh;
  padding: 8rem 5vw 6rem;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto auto;
  gap: 4rem 6rem;
  align-items: start;
}

.region__bg-text {
  position: absolute;
  bottom: 8vh;
  left: -0.03em;
  font-family: var(--font-display);
  font-size: clamp(10rem, 20vw, 20rem);
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,248,237,0.06);
  pointer-events: none;
  white-space: nowrap;
  line-height: 1;
  user-select: none;
  letter-spacing: -0.02em;
}

.region__tagline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  position: relative;
  z-index: 1;
}

.region__cities {
  position: relative;
  z-index: 1;
  margin-top: 3rem;
}
.region__cities-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,248,237,0.4);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.region__city-list { list-style: none; }
.region__city {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 600;
  color: rgba(255,248,237,0.25);
  padding: 0.3rem 0;
  transition: color 0.3s;
  cursor: default;
}
.region__city--active,
.region__city:hover { color: var(--cream); }

.region__right {
  position: relative;
  z-index: 1;
}
.region__stat-card {
  background: var(--cream);
  color: var(--text);
  padding: 2.5rem;
  border-radius: 4px;
  margin-bottom: 2rem;
}
.region__stat-top {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}
.region__stat-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1;
}
.region__stat-unit {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-muted);
}
.region__stat-label {
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1rem;
}
.region__stat-divider {
  height: 1px;
  background: var(--concrete);
  margin: 1.2rem 0;
}
.region__stat-desc {
  font-size: 0.83rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.region__contact {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.region__contact-link {
  font-size: 0.88rem;
  color: rgba(255,248,237,0.6);
  transition: color 0.2s;
}
.region__contact-link:hover { color: var(--cream); }

/* CTA Section */
.region__cta {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255,248,237,0.15);
  padding-top: 3rem;
  margin-top: 3rem;
}
.region__cta-text {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  flex: 1;
  min-width: 280px;
}
.region__cta-sub {
  font-size: 0.75rem;
  color: rgba(255,248,237,0.4);
  letter-spacing: 0.08em;
}

/* ─────────────────────────────────────────────
   FOOTER
───────────────────────────────────────────── */
.footer {
  background: var(--dark);
  color: rgba(255,248,237,0.4);
  padding: 1.5rem 5vw;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-top: 1px solid rgba(255,248,237,0.08);
  font-size: 0.75rem;
}
.footer__left { display: flex; flex-direction: column; gap: 0.2rem; }
.footer__center { text-align: center; }
.footer__right {
  display: flex;
  gap: 1.5rem;
  justify-content: flex-end;
}
.footer__right a { color: inherit; transition: color 0.2s; }
.footer__right a:hover { color: var(--cream); }

/* ─────────────────────────────────────────────
   STICKY CTA
───────────────────────────────────────────── */
.sticky-cta {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 50;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}
.sticky-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

/* ─────────────────────────────────────────────
   CANVAS PLACEHOLDER (bevor Frames geladen)
───────────────────────────────────────────── */
canvas {
  background: linear-gradient(145deg, #D4C4B0 0%, #A89080 40%, #7A6558 100%);
  display: block;
}

/* ─────────────────────────────────────────────
   CLIP / OVERFLOW-HIDDEN UTILITY
───────────────────────────────────────────── */
.clip { clip-path: inset(0); }

/* Screen-reader-only (SEO-h1 ohne visuelle Änderung) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ─────────────────────────────────────────────
   SCROLL-REVEAL (initial states, GSAP setzt sie)
───────────────────────────────────────────── */
[data-split-text] .char,
[data-div-reveal] {
  will-change: transform, opacity;
}

/* ─────────────────────────────────────────────
   CROSS-DOCUMENT VIEW TRANSITIONS
   Native Crossfade zwischen Startseite und Sub-Pages
   (Chrome/Edge 126+, Safari 18.2+).
───────────────────────────────────────────── */
@view-transition { navigation: auto; }
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.45s;
  animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─────────────────────────────────────────────
   RESPONSIVE (Basics)
───────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav { padding: 1rem 1.2rem; }
  .nav__left, .nav__right { display: none; }
  .hero__window { width: 80vw; }
  .character__spec { grid-template-columns: 1fr; }
  .spec__grid { grid-template-columns: 1fr 1fr; }
  .types__grid { grid-template-columns: 1fr 1fr; }
  .advantages { grid-template-columns: 1fr; }
  .advantages__right { position: relative; height: 50vw; }
  .region { grid-template-columns: 1fr; }
  .footer { grid-template-columns: 1fr; gap: 0.5rem; text-align: center; }
  .footer__right { justify-content: center; }
}

@media (max-width: 600px) {
  .types__grid { grid-template-columns: 1fr; }
  .spec__grid { grid-template-columns: 1fr; }
  .spec__item--wide { grid-column: auto; }
  .stats-bar { grid-template-columns: 1fr; }
  .stats-bar__item { border-right: none; border-bottom: 1px solid var(--concrete); }
  /* Hero-Kreis auf Phones kleiner (steht nach der 900px-Query → gewinnt) */
  .hero__window { width: 62vw; }
}

/* ═══════════════════════════════════════════════
   SECTION 4b — BODENAUFBAU (Schicht-Bullauge)
═══════════════════════════════════════════════ */
.aufbau {
  position: relative;
  width: 100vw;
  height: 400vh;            /* Scroll-Raum verkürzt: ~57vh pro Phase, schnellere Reaktion */
  background: var(--cream);
}

.aufbau__intro {
  padding: 14vh 6vw 4vh;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.aufbau__intro .label {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.aufbau__headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--text);
}
.aufbau__lead {
  margin-top: 22px;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.aufbau__pin-wrap {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.aufbau__stage {
  width: min(94vw, 1080px);
  aspect-ratio: 900 / 600;
  position: relative;
}
.aufbau__svg { width: 100%; height: 100%; display: block; overflow: visible; }

.aufbau__layer { opacity: 0; will-change: opacity, transform; }

.aufbau__label-grp .num-tag { fill: var(--text-muted); }
.aufbau__label-grp .name    { fill: var(--text); font-weight: 600; }
.aufbau__label-grp .dot     { fill: var(--text); }
.aufbau__label-grp.is-active .num-tag { fill: var(--gold); font-weight: 600; }
.aufbau__label-grp.is-active .name    { fill: var(--gold); }
.aufbau__label-grp.is-active .dot     { fill: var(--gold); r: 3.5; }

.aufbau__phase {
  position: absolute;
  top: 14%;
  left: 33.3%;             /* zentriert auf Bullauge (cx=300 von 900) */
  transform: translateX(-50%);
  width: 38%;
  text-align: center;
  pointer-events: none;
}
.aufbau__phase-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(40px, 4.5vw, 56px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--gold);
}
.aufbau__phase-label {
  display: block;
  margin-top: 4px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}
.aufbau__phase-sub {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Mobile: Labels ausblenden, Bullauge größer, Phase-Text darunter */
@media (max-width: 768px) {
  .aufbau { height: 500vh; }
  .aufbau__intro { padding: 8vh 5vw 0; }
  .aufbau__pin-wrap { margin-top: -20vh; }             /* Kreis näher an den Intro-Text (nur Startposition) */
  .aufbau__stage { width: 84vw; aspect-ratio: 1 / 1; } /* viewBox ist per JS auf den Kreis zugeschnitten → quadratisch */
  .aufbau__label-grp { display: none; }                /* Labels weg */
  .aufbau__phase { left: 50%; width: 74%; top: 8%; }   /* höher, damit der oberste Belag frei sichtbar bleibt */
}