/* ═══════════════════════════════════════════════════════════════════
   ULRICH POKORNY SANITÄRTECHNIK – INGOLSTADT
   Design System & Master Stylesheet (V3.1 MotionSites Edition)
   ═══════════════════════════════════════════════════════════════════ */

/* ─── 1. DESIGN TOKENS & THEMING ─────────────────────────────────────────── */
:root {
  /* Fonts */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Light Theme Defaults */
  --bg: #f8fafc;
  --bg-secondary: #f1f5f9;
  --fg: #0f172a;
  --fg-muted: #475569;
  --card-bg: rgba(255, 255, 255, 0.9);
  --card-bg-solid: #ffffff;
  --card-shell: rgba(15, 23, 42, 0.04);
  --border: rgba(15, 23, 42, 0.1);
  --border-focus: #0284c7;

  /* Accent Palette (Water & Sanitary) */
  --accent-cyan: #0284c7;
  --accent-aqua: #0891b2;
  --accent-glow: rgba(8, 145, 178, 0.2);
  --gradient-brand: linear-gradient(135deg, #0284c7 0%, #0891b2 50%, #0369a1 100%);
  --gradient-text: linear-gradient(135deg, #0f172a 0%, #0369a1 100%);

  /* Aurora Gradients */
  --aurora-1: rgba(14, 165, 233, 0.15);
  --aurora-2: rgba(6, 182, 212, 0.12);
  --aurora-base: #f8fafc;
}

[data-theme="dark"] {
  /* Dark Theme Defaults (Premium Deep Titanium) */
  --bg: #07090e;
  --bg-secondary: #0d111a;
  --fg: #f1f5f9;
  --fg-muted: #94a3b8;
  --card-bg: rgba(13, 17, 26, 0.88);
  --card-bg-solid: #0d111a;
  --card-shell: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.09);
  --border-focus: #38bdf8;

  /* Accent Palette (Luminescent Cyan & Ice Blue) */
  --accent-cyan: #38bdf8;
  --accent-aqua: #22d3ee;
  --accent-glow: rgba(34, 211, 238, 0.2);
  --gradient-brand: linear-gradient(135deg, #38bdf8 0%, #22d3ee 50%, #0284c7 100%);
  --gradient-text: linear-gradient(135deg, #ffffff 0%, #38bdf8 50%, #22d3ee 100%);

  /* Aurora Gradients */
  --aurora-1: rgba(14, 165, 233, 0.22);
  --aurora-2: rgba(6, 182, 212, 0.18);
  --aurora-base: #07090e;
}

/* ─── 2. BASE & RESET ────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: auto !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.3s ease, color 0.3s ease;
}

main {
  overflow-x: clip;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ─── 3. ACCESSIBILITY & FOCUS STYLES ────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 999999;
  padding: 0.75rem 1.5rem;
  background: var(--fg);
  color: var(--bg);
  border-radius: 0 0 0.5rem 0.5rem;
  font-weight: 700;
  text-decoration: none;
  transition: top 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.skip-link:focus {
  top: 0;
}

:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ─── 4. NOISE OVERLAY & AURORA BACKGROUND ───────────────────────────────── */
.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.032;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

.aurora-bg {
  position: relative;
  background-color: var(--aurora-base);
  background-image:
    radial-gradient(ellipse 80% 55% at 25% 20%, var(--aurora-1) 0%, transparent 65%),
    radial-gradient(ellipse 65% 50% at 75% 75%, var(--aurora-2) 0%, transparent 60%);
}

@keyframes aurora-shift {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}
.aurora-animated {
  background-size: 200% 200%;
  animation: aurora-shift 18s ease infinite;
}

/* ─── 5. CUSTOM CURSOR ───────────────────────────────────────────────────── */
.cursor-blob, .cursor-follower {
  position: fixed;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  transition: opacity 0.3s ease;
}
.cursor-blob {
  width: 8px;
  height: 8px;
  background: white;
  mix-blend-mode: difference;
}
.cursor-follower {
  width: 36px;
  height: 36px;
  border: 1.5px solid rgba(56, 189, 248, 0.4);
}
@media (hover: none) or (max-width: 768px) {
  .cursor-blob, .cursor-follower { display: none !important; }
}

/* ─── 6. TYPOGRAPHY SYSTEM ───────────────────────────────────────────────── */
.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6.5vw, 5.6rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--fg);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.4vw, 3.8rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.gradient-title,
.text-accent,
.hero-title .gradient-title {
  color: var(--accent-cyan) !important;
  -webkit-text-fill-color: var(--accent-cyan) !important;
  text-shadow: 0 0 30px var(--accent-glow);
  display: inline;
}

.hero-title .char {
  display: inline-block;
  will-change: transform, opacity;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.95rem;
  border-radius: 9999px;
  background: var(--card-shell);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #22c55e;
  box-shadow: 0 0 10px #22c55e;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.35); opacity: 0.6; }
}

/* ─── 7. FLUID ISLAND NAVBAR (Variante A) ────────────────────────────────── */
.nav-island {
  position: fixed;
  top: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
  max-width: calc(100vw - 2rem);
  z-index: 1000;
  background: var(--card-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: 9999px;
  padding: 0.55rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 1.75rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all 0.35s cubic-bezier(0.32, 0.72, 0, 1);
}

.nav-island.scrolled {
  top: 0.85rem;
  padding: 0.45rem 1.15rem;
  background: var(--card-bg-solid);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  white-space: nowrap;
}

.nav-announcement {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: var(--card-shell);
  border: 1px solid var(--border);
  padding: 0.2rem 0.65rem;
  border-radius: 9999px;
  white-space: nowrap;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s ease;
  padding: 0.3rem 0.2rem;
}
.nav-links a:hover {
  color: var(--accent-cyan);
}

/* Theme Toggle */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card-shell);
  color: var(--fg);
  cursor: pointer;
  font-size: 0.95rem;
  transition: all 0.25s ease;
}
.theme-toggle:hover {
  transform: scale(1.08);
  border-color: var(--accent-cyan);
}
[data-theme="light"] .theme-icon-moon { display: none; }
[data-theme="dark"] .theme-icon-sun  { display: none; }

/* Hamburger Button (Single X Mechanism) */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 2.25rem;
  height: 2.25rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--fg);
}
.ham-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: currentColor;
  border-radius: 9999px;
  transition: all 0.3s cubic-bezier(0.68, -0.6, 0.32, 1.6);
  position: relative;
}
.hamburger.open .ham-line.top {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.open .ham-line.mid {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.open .ham-line.bot {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu Overlay */
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 990;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  opacity: 0;
  visibility: hidden;
  display: flex !important;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.mobile-overlay.open {
  opacity: 1;
  visibility: visible;
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
  text-align: center;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  transition: color 0.2s ease;
}
.mobile-nav a:hover {
  color: var(--accent-cyan);
}

/* ─── 8. BUTTONS & CTA ───────────────────────────────────────────────────── */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.6rem;
  background: var(--gradient-brand);
  color: #07090e !important;
  font-weight: 700;
  font-size: 0.925rem;
  border-radius: 9999px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--accent-glow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  max-width: 100%;
  box-sizing: border-box;
  text-align: center;
  word-break: break-word;
}
[data-theme="light"] .btn-cta {
  color: #ffffff !important;
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.5rem;
  background: var(--card-bg);
  color: var(--fg);
  font-weight: 600;
  font-size: 0.925rem;
  border-radius: 9999px;
  text-decoration: none;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s ease;
  max-width: 100%;
  box-sizing: border-box;
  text-align: center;
  word-break: break-word;
}
.btn-secondary:hover {
  border-color: var(--accent-cyan);
  background: var(--card-shell);
}

@media (max-width: 640px) {
  .btn-cta, .btn-secondary {
    width: 100%;
    white-space: normal;
    padding: 0.85rem 1.25rem;
    font-size: 0.925rem;
    line-height: 1.35;
  }
}

/* ─── 9. DOUBLE-BEZEL & BENTO-GRID ARCHITECTURE ──────────────────────────── */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.75rem;
}
.bento-card--wide   { grid-column: span 8; }
.bento-card--narrow { grid-column: span 4; }
.bento-card--half   { grid-column: span 6; }
.bento-card--full   { grid-column: span 12; }

@media (max-width: 900px) {
  .bento-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  [class*="bento-card--"] { grid-column: 1 / -1 !important; }
}

/* Double-Bezel Shell */
.bento-shell {
  background: var(--card-shell);
  border: 1px solid var(--border);
  border-radius: 2rem;
  padding: 0.45rem;
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.bento-shell:hover {
  border-color: rgba(56, 189, 248, 0.35);
}
.bento-core {
  background: var(--card-bg);
  border-radius: calc(2rem - 0.45rem);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.08);
  padding: 2.75rem 2.5rem;
  height: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
}

@media (max-width: 640px) {
  .bento-core {
    padding: 1.5rem 1.15rem !important;
  }
  .bento-shell {
    padding: 0.25rem !important;
    border-radius: 1.35rem !important;
  }
}

/* ─── 10. SCROLL-DRIVEN DUAL MARQUEE (§ 16) ──────────────────────────────── */
.marquee-section {
  overflow: hidden;
  padding: 6rem 0;
  position: relative;
}
.marquee-row {
  position: relative;
  margin-bottom: 1.75rem;
  display: flex;
  overflow: hidden;
}
.marquee-track {
  display: flex;
  gap: 1.75rem;
  align-items: stretch;
  will-change: transform;
  width: max-content;
}
.marquee-tile {
  flex: 0 0 clamp(320px, 26vw, 420px);
  border-radius: 1.5rem;
  overflow: hidden;
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
}
.marquee-tile img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}
.marquee-tile-content {
  padding: 1.5rem;
}
.marquee-tile-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--fg);
}
.marquee-tile-desc {
  font-size: 0.875rem;
  color: var(--fg-muted);
}

/* ─── 11. STICKY CARD-STACKING EFFEKT (§ 15) ─────────────────────────────── */
.card-stack-section {
  position: relative;
  padding: 5rem 0 7rem 0;
}
.card-sticky-container {
  height: 82vh;
  min-height: 560px;
  position: relative;
}
.stacking-card {
  position: sticky;
  left: 0;
  right: 0;
  margin: 0 auto;
  max-width: 1220px;
  background: var(--card-bg-solid);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: 2.25rem;
  padding: 3rem 3.25rem;
  transform-origin: 50% 0%;
  will-change: transform;
  box-shadow: 0 24px 60px rgba(0,0,0,0.3);
}

@media (max-width: 900px) {
  .card-stack-section {
    padding: 2.5rem 0 3.5rem 0;
  }
  .card-sticky-container {
    height: auto !important;
    min-height: auto !important;
    margin-bottom: 2rem;
  }
  .stacking-card {
    position: relative !important;
    top: auto !important;
    transform: none !important;
    padding: 1.75rem 1.25rem !important;
    border-radius: 1.5rem !important;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.18);
  }
}

/* ─── 12. CHARACTER-BY-CHARACTER TEXT REVEAL (§ 17) ───────────────────────── */
[data-char-reveal] {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.6vw, 2.9rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--fg);
}

/* ─── 13. INTERAKTIVER SANITÄR-RECHNER (§ 6) ─────────────────────────────── */
.calculator-card {
  max-width: 1040px;
  margin: 0 auto;
}
.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 2rem;
}
.calc-field label {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.75rem;
}
.calc-input-group {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.calc-slider {
  flex: 1;
  height: 8px;
  border-radius: 9999px;
  background: var(--card-shell);
  border: 1px solid var(--border);
  accent-color: var(--accent-cyan);
  cursor: pointer;
}
.calc-value-display {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  padding: 0.4rem 1rem;
  background: var(--card-shell);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--accent-cyan);
  min-width: 90px;
  justify-content: center;
}
.calc-radio-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.85rem;
}
.calc-radio-option {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.35rem;
  background: var(--card-shell);
  border: 1px solid var(--border);
  border-radius: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  font-weight: 500;
}
.calc-radio-option:hover {
  border-color: var(--accent-cyan);
}
.calc-radio-option input[type="radio"]:checked + span {
  font-weight: 700;
  color: var(--accent-cyan);
}
.calc-result {
  background: var(--card-shell);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 2rem;
  text-align: center;
  margin-bottom: 2rem;
}
.calc-result-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  margin-bottom: 0.5rem;
}
.calc-result-value {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 900;
  color: var(--accent-cyan);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}
.calc-disclaimer {
  font-size: 0.775rem;
  color: var(--fg-muted);
}

/* ─── 14. MULTI-STEP KONTAKT-FUNNEL (§ 5) ────────────────────────────────── */
.funnel-form {
  max-width: 880px;
  margin: 0 auto;
}
.funnel-progress {
  height: 6px;
  background: var(--card-shell);
  border-radius: 9999px;
  margin-bottom: 2.25rem;
  position: relative;
  border: 1px solid var(--border);
}
.funnel-progress-bar {
  height: 100%;
  background: var(--gradient-brand);
  border-radius: 9999px;
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.funnel-progress-label {
  position: absolute;
  top: 14px;
  right: 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fg-muted);
}
.funnel-step {
  display: none;
  border: none;
  padding: 0;
  margin: 0;
}
.funnel-step.active {
  display: block;
  animation: fade-up-in 0.4s ease both;
}
.funnel-step-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  color: var(--fg);
  margin-bottom: 1.75rem;
  display: block;
}
.funnel-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.funnel-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.funnel-option-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  padding: 1.75rem 1.25rem;
  background: var(--card-shell);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
  font-size: 1rem;
  font-weight: 500;
}
.funnel-option input:checked + .funnel-option-card {
  border-color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
  box-shadow: 0 0 20px var(--accent-glow);
}
.funnel-option-icon {
  font-size: 2.2rem;
}
.funnel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.funnel-field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg-muted);
  margin-bottom: 0.4rem;
}
.funnel-field input, .funnel-field textarea {
  width: 100%;
  padding: 0.95rem 1.2rem;
  background: var(--card-shell);
  border: 1px solid var(--border);
  border-radius: 0.95rem;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}
.funnel-field input:focus, .funnel-field textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.funnel-field input.error {
  border-color: #ef4444 !important;
}
.funnel-field--full {
  grid-column: 1 / -1;
}
.funnel-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--fg-muted);
}
.funnel-checkbox a {
  color: var(--accent-cyan);
  text-decoration: underline;
}
.funnel-checkbox input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.15rem;
  flex-shrink: 0;
  accent-color: var(--accent-cyan);
}
.funnel-buttons {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: flex-end;
}
.funnel-back {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 0.65rem 1.35rem;
  border-radius: 9999px;
  cursor: pointer;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}
.funnel-back:hover {
  border-color: var(--accent-cyan);
}
.funnel-success {
  text-align: center;
  padding: 3rem 1.5rem;
}
.funnel-success.hidden {
  display: none;
}
.funnel-success-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

@media (max-width: 640px) {
  .funnel-options, .funnel-grid { grid-template-columns: 1fr; }
}

/* ─── 15. FAQ AKKORDEON ──────────────────────────────────────────────────── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 960px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--border);
  background: var(--card-bg);
  border-radius: 1.25rem;
  overflow: hidden;
  transition: border-color 0.25s ease;
}
.faq-item:hover {
  border-color: var(--accent-cyan);
}
.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.35rem 1.75rem;
  background: transparent;
  border: none;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg);
  cursor: pointer;
}
.faq-icon {
  font-size: 1.4rem;
  font-weight: 300;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--accent-cyan);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
  padding: 0 1.75rem;
}
.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
  padding-bottom: 1.35rem;
}
.faq-content {
  overflow: hidden;
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ─── 16. WHATSAPP FLOATING WIDGET (§ 4) ─────────────────────────────────── */
.whatsapp-widget {
  position: fixed;
  bottom: 5.5rem;
  right: 1.5rem;
  z-index: 9000;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  background: #25d366;
  color: white !important;
  padding: 0.75rem 1.25rem 0.75rem 0.95rem;
  border-radius: 9999px;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 700;
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1), box-shadow 0.3s ease;
  animation: wa-pulse 3.5s ease-in-out infinite;
}
.whatsapp-widget:hover {
  transform: scale(1.06) translateY(-3px);
  box-shadow: 0 10px 32px rgba(37, 211, 102, 0.6);
}
@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35); }
  50%      { box-shadow: 0 6px 30px rgba(37, 211, 102, 0.65); }
}
@media (max-width: 640px) {
  .whatsapp-widget {
    bottom: 5.25rem;
    right: 1rem;
    padding: 0.75rem;
    border-radius: 50%;
  }
  .whatsapp-label { display: none; }
}

/* ─── 17. DSGVO CONSENT BANNER (§ 2) ─────────────────────────────────────── */
.consent-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  z-index: 99998;
  background: rgba(10, 14, 23, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 1.5rem;
  max-width: 700px;
  margin: 0 auto;
  padding: 1.5rem;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.5);
  transform: translateY(0);
  transition: transform 0.4s cubic-bezier(0.32, 0.72, 0, 1), opacity 0.4s ease;
}
.consent-banner.hidden {
  transform: translateY(160%);
  opacity: 0;
  pointer-events: none;
}
.consent-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.consent-text {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.875rem;
  line-height: 1.6;
}
.consent-link {
  color: var(--accent-cyan);
  text-decoration: underline;
}
.consent-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.btn-consent-accept {
  padding: 0.6rem 1.4rem;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  background: white;
  color: #07090e;
  font-weight: 700;
  font-size: 0.875rem;
  flex: 1;
  min-width: 140px;
  transition: opacity 0.2s ease;
}
.btn-consent-accept:hover { opacity: 0.88; }
.btn-consent-reject, .btn-consent-settings {
  padding: 0.6rem 1.4rem;
  border-radius: 9999px;
  cursor: pointer;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  flex: 1;
  min-width: 120px;
  transition: all 0.2s ease;
}
.btn-consent-reject:hover, .btn-consent-settings:hover {
  border-color: white;
  color: white;
}
.cookie-reopen-link {
  font-size: 0.75rem;
  color: var(--fg-muted);
  text-decoration: underline;
  cursor: pointer;
}
.cookie-reopen-link:hover {
  color: var(--accent-cyan);
}
@media (max-width: 640px) {
  .consent-banner { bottom: 5rem; left: 1rem; right: 1rem; padding: 1.25rem; }
}

/* ─── 18. GOOGLE MAPS PLACEHOLDER (DSGVO) ────────────────────────────────── */
.maps-container {
  position: relative;
  border-radius: 1.5rem;
  overflow: hidden;
  min-height: 380px;
  background: var(--card-shell);
  border: 1px solid var(--border);
}
.maps-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card-bg);
  padding: 2rem;
  text-align: center;
  z-index: 5;
}
.maps-placeholder.hidden {
  display: none !important;
}

/* ─── 19. MOBILE STICKY BOTTOM BAR ───────────────────────────────────────── */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 99999 !important;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  padding: 0.65rem 1rem;
}
@media (max-width: 768px) {
  .mobile-bottom-bar {
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: 0.5rem;
  }
}
.mobile-bottom-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--fg);
  text-decoration: none;
  padding: 0.35rem;
  border-radius: 0.75rem;
}
.mobile-bottom-btn.active-call {
  background: var(--gradient-brand);
  color: #07090e !important;
}
[data-theme="light"] .mobile-bottom-btn.active-call {
  color: #ffffff !important;
}

/* ─── 20. IMAGE BADGE ────────────────────────────────────────────────────── */
.img-badge {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  font-size: 0.6rem;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  pointer-events: none;
  z-index: 2;
  border: 1px solid rgba(255,255,255,0.1);
}

/* ─── 21. ANIMATION UTILITIES & KEYFRAMES ────────────────────────────────── */
@keyframes fade-up-in {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade-down-in {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.anim-fade-up   { animation: fade-up-in 0.8s cubic-bezier(0.16, 1, 0.3, 1) both; }
.anim-fade-down { animation: fade-down-in 0.7s cubic-bezier(0.16, 1, 0.3, 1) both; }

.stagger-1 { animation-delay: 0ms; }
.stagger-2 { animation-delay: 120ms; }
.stagger-3 { animation-delay: 240ms; }
.stagger-4 { animation-delay: 360ms; }
.stagger-5 { animation-delay: 480ms; }
.stagger-6 { animation-delay: 600ms; }

/* Reduced Motion Guard */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ─── 22. RECHTLICHE MODALS (IMPRESSUM & DATENSCHUTZ) ─────── */
.legal-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(5, 7, 12, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s cubic-bezier(0.32, 0.72, 0, 1), visibility 0.35s ease;
  overscroll-behavior: contain;
}
.legal-modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}
.legal-modal-card {
  width: 100%;
  max-width: 800px;
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  transform: scale(0.94) translateY(16px);
  transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
  overscroll-behavior: contain;
}
.legal-modal-backdrop.open .legal-modal-card {
  transform: scale(1) translateY(0);
}
.legal-modal-close {
  flex-shrink: 0 !important;
  width: 2.25rem !important;
  height: 2.25rem !important;
  min-width: 2.25rem !important;
  min-height: 2.25rem !important;
  border-radius: 9999px !important;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  font-size: 1rem;
  font-weight: 700;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer;
  padding: 0 !important;
  line-height: 1 !important;
  box-sizing: border-box !important;
  transition: all 0.2s ease;
}
.legal-modal-close:hover {
  background: var(--accent-cyan);
  color: #07090e;
  border-color: var(--accent-cyan);
  transform: rotate(90deg) scale(1.08);
}
.legal-modal-body {
  max-height: calc(86vh - 5.5rem);
  overflow-y: auto !important;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.legal-modal-body::-webkit-scrollbar { width: 6px; }
.legal-modal-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 9999px; }

/* ─── 23. IMMERSIVE 3D SCROLLYTELLING STAGE & PBR SHOWROOM ─────────────────── */
.scrolly-section {
  position: relative;
  min-height: 260vh;
  background-color: var(--bg);
}

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

.canvas-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

#scrollyCanvas {
  width: 100%;
  height: 100%;
  display: block;
  outline: none;
}

/* Mobile Touch & Zero-Collision Protection (Gesetz 3) */
@media (max-width: 768px) {
  #canvasContainer, #scrollyCanvas {
    pointer-events: none !important;
    touch-action: pan-y !important;
  }
}

.scrolly-overlay {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  pointer-events: none;
  height: 100%;
  display: flex;
  align-items: center;
}

.scrolly-step {
  position: absolute;
  top: 50%;
  transform: translateY(-50%) translateX(20px);
  max-width: 28rem;
  padding: 2rem;
  border-radius: 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s ease;
}

.scrolly-step.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(-50%) translateX(0);
}

/* Positioning step cards on desktop: alternating or right-aligned */
.scrolly-step.step-pos-right {
  right: 2rem;
}
.scrolly-step.step-pos-left {
  left: 2rem;
}

/* Floating PBR Material Control Dock */
.pbr-control-dock {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1.25rem;
  border-radius: 9999px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
}

.pbr-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  margin-right: 0.25rem;
}

.btn-material {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  border-radius: 9999px;
  border: 1px solid var(--border);
  background: var(--card-shell);
  color: var(--fg);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-material:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-material.active {
  border-color: var(--accent-cyan);
  background: var(--gradient-brand);
  color: #07090e !important;
  box-shadow: 0 0 16px var(--accent-glow);
}

[data-theme="light"] .btn-material.active {
  color: #ffffff !important;
}

.mat-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.4);
}
.mat-dot-chrome { background: linear-gradient(135deg, #e2e8f0, #94a3b8); }
.mat-dot-black { background: linear-gradient(135deg, #27272a, #09090b); border: 1px solid rgba(255,255,255,0.2); }
.mat-dot-brass { background: linear-gradient(135deg, #f59e0b, #b45309); }

@media (max-width: 768px) {
  .pbr-control-dock {
    bottom: 5.5rem;
    padding: 0.4rem 0.8rem;
    gap: 0.4rem;
    max-width: 95%;
  }
  .pbr-label { display: none; }
  .btn-material {
    font-size: 0.72rem;
    padding: 0.35rem 0.65rem;
  }
  .scrolly-step {
    max-width: calc(100% - 2rem);
    padding: 1.25rem;
    top: auto;
    bottom: 9.5rem;
    transform: translateY(15px);
    left: 1rem;
    right: 1rem;
  }
  .scrolly-step.active {
    transform: translateY(0);
  }
  .scrolly-step.step-pos-right,
  .scrolly-step.step-pos-left {
    left: 1rem;
    right: 1rem;
  }
}