/* ==========================================================================
   BANANA SOLAR — Konzeptentwurf "Energy Engineering"
   Swiss-Editorial × Energy Tech × Premium Handwerk
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Farben */
  --color-ink:        #0E1F3A;   /* Text auf hellem Grund – 15.2:1 */
  --color-deep:       #0F3D7A;   /* Kraeftiges Azur, dunkle Flaechen – 9.9:1 mit Paper */
  --color-deep-2:     #12457F;   /* Panels */
  --color-deep-3:     #164A8F;   /* Karten, aktive Zustaende */
  --color-spark:      #7FE3FF;   /* Elektro-Akzent, Stromimpulse – 7.3:1 auf Deep */
  --color-paper:      #F7F6F1;
  --color-stone:      #E9E8E2;
  --color-stone-2:    #DDDBD3;
  --color-muted:      #4E5A6E;   /* 6.4:1 auf Paper */
  --color-muted-dark: #B4CFF0;   /* 6.7:1 auf Deep */
  --color-line:       rgba(14, 31, 58, 0.16);
  --color-line-dark:  rgba(247, 246, 241, 0.18);
  --color-brand:      #F4D72F;   /* 7.4:1 auf Deep, 11.5:1 mit Ink */
  --color-brand-deep: #E5C61A;
  --color-signal:     #2B5BE8;   /* 5.2:1 auf Paper – nur Fokus auf hellem Grund */

  /* Semantische Kontextfarben (werden pro Theme überschrieben) */
  --bg:      var(--color-paper);
  --fg:      var(--color-ink);
  --fg-soft: var(--color-muted);
  --line:    var(--color-line);
  --focus:   var(--color-signal);

  /* Typografie */
  --font-display: "Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body:    "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --text-xs:   0.75rem;
  --text-sm:   clamp(0.875rem, 0.85rem + 0.1vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  --text-xl:   clamp(1.375rem, 1.2rem + 0.9vw, 1.875rem);
  --text-2xl:  clamp(1.75rem, 1.4rem + 1.6vw, 2.75rem);
  --text-3xl:  clamp(2.25rem, 1.5rem + 3.2vw, 4.5rem);
  --text-display: clamp(2.75rem, 1.4rem + 5.8vw, 7rem);

  --leading-tight: 0.98;
  --leading-snug:  1.15;
  --leading-body:  1.55;

  --tracking-tight: -0.03em;
  --tracking-label: 0.12em;

  /* Spacing (4px Basis) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-section: clamp(4.5rem, 3rem + 7vw, 10rem);
  --gutter: clamp(1rem, 0.5rem + 2vw, 2.5rem);

  /* Radius */
  --radius-0: 0;
  --radius-1: 2px;
  --radius-pill: 999px;

  /* Container */
  --container-max: 1520px;
  --container-pad: clamp(1.25rem, 1rem + 3vw, 4rem);
  --measure: 62ch;

  /* Motion */
  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur-fast: 180ms;
  --dur-base: 260ms;
  --dur-slow: 500ms;
}

/* Themes */
.theme-dark {
  --bg:      var(--color-deep);
  --fg:      var(--color-paper);
  --fg-soft: var(--color-muted-dark);
  --line:    var(--color-line-dark);
  --focus:   var(--color-brand);
  background: var(--bg);
  color: var(--fg);
}
.theme-brand {
  --bg:      var(--color-brand);
  --fg:      var(--color-ink);
  --fg-soft: #3A3410;
  --line:    rgba(8, 22, 44, 0.22);
  --focus:   var(--color-ink);
  background: var(--bg);
  color: var(--fg);
}

/* --------------------------------------------------------------------------
   2. Reset & Basis
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure { margin: 0; }
address { font-style: normal; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: var(--radius-1);
}

::selection { background: var(--color-brand); color: var(--color-ink); }

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

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100%;
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  background: var(--color-ink);
  color: var(--color-paper);
  font-weight: 500;
  text-decoration: none;
}
.skip-link:focus { top: var(--space-4); }

/* --------------------------------------------------------------------------
   3. Layout-Primitive
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--fg-soft);
  margin-bottom: var(--space-5);
}
.eyebrow-index {
  white-space: nowrap;
  color: var(--fg);
  padding: 0.15em 0.45em;
  border: 1px solid var(--line);
  border-radius: var(--radius-1);
  letter-spacing: 0.04em;
}
.eyebrow--light { color: var(--color-muted-dark); }

.display {
  font-size: var(--text-display);
  font-weight: 800;
  line-height: var(--leading-tight);
  letter-spacing: -0.04em;
}
.display-accent {
  position: relative;
  display: inline-block;
}
.display-accent::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: 0.06em;
  height: 0.14em;
  background: var(--color-brand);
  z-index: -1;
}

.headline-xl {
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.headline-lg {
  font-size: var(--text-2xl);
  font-weight: 800;
  line-height: 1.05;
}

.lead {
  font-size: var(--text-lg);
  line-height: 1.45;
  font-weight: 500;
  color: var(--fg);
}

.section-head {
  display: grid;
  gap: var(--space-5);
  margin-bottom: clamp(2.5rem, 2rem + 3vw, 5rem);
  max-width: 60rem;
}
.section-head--split {
  max-width: none;
  grid-template-columns: 1fr;
  align-items: end;
}
.section-intro {
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: 1.5;
  color: var(--fg-soft);
}
.theme-dark .section-intro { color: var(--color-muted-dark); }

@media (min-width: 1024px) {
  .section-head--split {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-8);
  }
  .section-head--split .section-intro { justify-self: end; }
}

/* --------------------------------------------------------------------------
   4. Buttons & Links
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  min-height: 3.25rem;
  padding: 0.9rem 1.5rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  border: 1.5px solid transparent;
  border-radius: var(--radius-1);
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
.btn--sm { min-height: 2.75rem; padding: 0.6rem 1.1rem; font-size: var(--text-sm); }
.btn--lg { min-height: 3.75rem; padding: 1.1rem 2rem; font-size: var(--text-lg); }

.btn--primary {
  background: var(--color-brand);
  color: var(--color-ink);
  border-color: var(--color-brand);
}
.btn--primary:hover { background: var(--color-brand-deep); border-color: var(--color-brand-deep); }

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn--ghost:hover { background: var(--color-ink); color: var(--color-paper); }

.btn--ghost-light {
  color: var(--color-paper);
  border-color: var(--color-paper);
}
.btn--ghost-light:hover { background: var(--color-paper); color: var(--color-ink); }

.btn-arrow { transition: transform var(--dur-base) var(--ease-out); }
.btn:hover .btn-arrow { transform: translateX(4px); }

.btn-label-mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--fg);
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: 0% 1.5px;
  background-position: 0 100%;
  transition: background-size var(--dur-base) var(--ease-out);
}
.link-arrow::after {
  content: "→";
  font-family: var(--font-mono);
  transition: transform var(--dur-base) var(--ease-out);
}
.link-arrow:hover { background-size: 100% 1.5px; }
.link-arrow:hover::after { transform: translateX(4px); }

/* --------------------------------------------------------------------------
   5. Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: 4.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-ink);
}
.brand--light { color: var(--color-paper); }
.brand-mark {
  width: 0.85rem;
  height: 0.85rem;
  background: var(--color-brand);
  border-radius: var(--radius-1);
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  line-height: 1;
}
.brand-name span { font-weight: 700; opacity: 0.55; margin-left: 0.35em; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 2.75rem;
  padding: 0 var(--space-3);
  background: none;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-1);
  cursor: pointer;
}
.nav-toggle-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}
.nav-toggle-icon {
  position: relative;
  width: 1.25rem;
  height: 0.75rem;
}
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav-toggle-icon::before { top: 0; }
.nav-toggle-icon::after { bottom: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after { transform: translateY(-5px) rotate(-45deg); }

.site-nav {
  display: none;
  position: absolute;
  inset-inline: 0;
  top: 100%;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
  padding: var(--space-4) var(--container-pad) var(--space-6);
  flex-direction: column;
  gap: var(--space-5);
}
.site-nav.is-open { display: flex; }
html:not(.js) .site-nav { display: flex; position: static; border: 0; }

.nav-list { display: flex; flex-direction: column; }
.nav-list a {
  display: flex;
  align-items: center;
  min-height: 3rem;
  font-size: var(--text-lg);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--color-line);
}
.nav-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
}
.nav-phone {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  text-decoration: none;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
}

@media (min-width: 1024px) {
  .nav-toggle { display: none; }
  .site-nav,
  .site-nav.is-open,
  html:not(.js) .site-nav {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: var(--space-7);
    padding: 0;
    border: 0;
    background: transparent;
  }
  .nav-list { flex-direction: row; gap: var(--space-5); }
  .nav-list a {
    min-height: 2.75rem;
    font-size: var(--text-sm);
    border: 0;
    padding: 0 0.1rem;
    background-image: linear-gradient(var(--color-ink), var(--color-ink));
    background-repeat: no-repeat;
    background-size: 0% 1.5px;
    background-position: 0 calc(100% - 0.6rem);
    transition: background-size var(--dur-base) var(--ease-out);
  }
  .nav-list a:hover { background-size: 100% 1.5px; }
}

/* --------------------------------------------------------------------------
   6. Image Placeholder (Bestandteil des Designs)
   -------------------------------------------------------------------------- */
.ph { position: relative; }
.ph-surface {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 100%;
  background-color: var(--color-stone);
  background-image:
    radial-gradient(120% 80% at 85% 10%, rgba(255, 255, 255, 0.55), transparent 60%),
    linear-gradient(var(--color-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-line) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
  background-position: 0 0, -1px -1px, -1px -1px;
  overflow: hidden;
  transition: transform var(--dur-slow) var(--ease-out);
}
.ph-surface--dark {
  background-color: var(--color-deep-2);
  background-image:
    radial-gradient(110% 70% at 80% 100%, rgba(244, 215, 47, 0.10), transparent 60%),
    linear-gradient(var(--color-line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-line-dark) 1px, transparent 1px);
  background-size: 100% 100%, 64px 64px, 64px 64px;
  background-position: 0 0, -1px -1px, -1px -1px;
}
.ph-corner {
  position: absolute;
  width: 14px; height: 14px;
  border-color: var(--color-ink);
  border-style: solid;
  border-width: 0;
  opacity: 0.55;
}
.ph-surface--dark .ph-corner { border-color: var(--color-paper); }
.ph-corner--tl { top: 12px; left: 12px; border-top-width: 1.5px; border-left-width: 1.5px; }
.ph-corner--tr { top: 12px; right: 12px; border-top-width: 1.5px; border-right-width: 1.5px; }
.ph-corner--bl { bottom: 12px; left: 12px; border-bottom-width: 1.5px; border-left-width: 1.5px; }
.ph-corner--br { bottom: 12px; right: 12px; border-bottom-width: 1.5px; border-right-width: 1.5px; }

.ph-meta {
  position: absolute;
  left: clamp(1rem, 4%, 2rem);
  bottom: clamp(1rem, 4%, 2rem);
  right: clamp(1rem, 4%, 2rem);
  display: grid;
  gap: var(--space-2);
  max-width: 34ch;
}
.ph-meta--top { top: clamp(1rem, 4%, 2rem); bottom: auto; }
.ph-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-ink);
}
.ph-desc {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-muted);
}
.ph-surface--dark .ph-tag { color: var(--color-brand); }
.ph-surface--dark .ph-desc { color: var(--color-muted-dark); }

.ph--hero { aspect-ratio: 4 / 5; }
.ph--sol  { aspect-ratio: 16 / 10; }
.ph--team { aspect-ratio: 4 / 3; }
.ph--hero .ph-surface,
.ph--sol .ph-surface,
.ph--team .ph-surface { position: absolute; inset: 0; }

/* Hover-Zoom auf Bildflächen (Microinteraction) */
.sol:hover .ph-img,
.ph--team:hover .ph-img { transform: scale(1.04); }
.ph--sol, .ph--team { overflow: hidden; }

/* --------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */
.hero {
  padding-block: clamp(2.5rem, 2rem + 3vw, 5rem) 0;
  background: var(--color-paper);
}
.hero-grid {
  display: grid;
  gap: var(--space-7);
}
.hero-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.hero-lead {
  max-width: 44ch;
  font-size: var(--text-lg);
  line-height: 1.5;
  color: var(--color-muted);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}
.hero-claim {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  color: var(--color-muted);
}
.claim-rule { width: 3rem; height: 1.5px; background: var(--color-brand); }

.hero-media { position: relative; }
.hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  margin-top: var(--space-4);
}
.note {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-ink);
}
.note-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-brand);
  box-shadow: 0 0 0 2px var(--color-ink);
}

@media (min-width: 768px) {
  .hero-grid { grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); align-items: end; }
  .hero-copy { grid-column: 1 / 8; padding-bottom: var(--space-6); }
  .hero-media { grid-column: 8 / 13; }
  .ph--hero { aspect-ratio: 4 / 5; }
}

@media (min-width: 1024px) {
  .hero { padding-top: clamp(3rem, 2rem + 4vw, 6rem); }
  .hero-copy { grid-column: 1 / 8; padding-bottom: var(--space-8); }
  .hero-media {
    grid-column: 8 / 13;
    margin-bottom: -4rem;   /* kontrollierte Überlappung in den Trust Strip */
    z-index: 2;
  }
  .ph--hero { aspect-ratio: 4 / 5; }

  /* Engineering-Anmerkungen über dem Bild */
  .hero-notes { display: block; margin: 0; }
  .note {
    position: absolute;
    left: var(--x);
    top: var(--y);
    padding: 0.35rem 0.6rem;
    background: var(--color-paper);
    border: 1px solid var(--color-ink);
    border-radius: var(--radius-1);
    transform: translate(-6px, -50%);
  }
  .note::before {
    content: "";
    position: absolute;
    right: 100%;
    top: 50%;
    width: 2.5rem;
    height: 1px;
    background: var(--color-ink);
  }
  .note-dot {
    position: absolute;
    right: calc(100% + 2.5rem);
    top: 50%;
    transform: translate(50%, -50%);
  }
  .note--1 { --x: 30%; --y: 74%; }
  .note--2 { --x: 72%; --y: 64%; }
  .note--3 { --x: 68%; --y: 88%; }
  .note--4 { --x: 60%; --y: 48%; }
}

@media (min-width: 1440px) {
  .hero-copy { grid-column: 1 / 8; }
  .hero-media { grid-column: 8 / 13; }
  .ph--hero { aspect-ratio: 4 / 5; }
}

/* --------------------------------------------------------------------------
   8. Trust Strip
   -------------------------------------------------------------------------- */
.trust {
  padding-block: var(--space-7);
}
.trust-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.trust-item {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--line);
}
.trust-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-2xl);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-paper);
}
.trust-value--text { font-size: var(--text-xl); }
.trust-plus { color: var(--color-brand); }
.trust-label {
  font-weight: 500;
  font-size: var(--text-base);
  color: var(--color-paper);
}
.trust-note {
  font-size: var(--text-sm);
  line-height: 1.45;
  color: var(--color-muted-dark);
  max-width: 30ch;
}

@media (min-width: 768px) {
  .trust-list { grid-template-columns: repeat(2, 1fr); border-top: 0; }
  .trust-item { padding: var(--space-6) var(--space-5) var(--space-6) 0; border-top: 1px solid var(--line); }
}
@media (min-width: 1024px) {
  .trust { padding-top: calc(4rem + var(--space-7)); }
  .trust-list { grid-template-columns: repeat(4, 1fr); }
  .trust-item { padding-left: var(--space-5); border-left: 1px solid var(--line); border-bottom: 0; padding-bottom: 0; }
  .trust-item:first-child { padding-left: 0; border-left: 0; }
}

/* --------------------------------------------------------------------------
   9. Core Statement + Schema
   -------------------------------------------------------------------------- */
.statement { padding-block: var(--space-section); }
.statement-grid {
  display: grid;
  gap: var(--space-6);
}
.statement-eyebrow { margin-bottom: 0; }
.statement-title { max-width: 18ch; }
.statement-body { display: grid; gap: var(--space-4); max-width: var(--measure); color: var(--color-muted); }
.statement-body .lead { color: var(--color-ink); }

.index-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}
.index-list {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--color-line);
}
.index-list li {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--color-line);
  font-weight: 500;
}
.index-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  letter-spacing: 0.06em;
}
.index-opt {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

@media (min-width: 768px) {
  .index-list { grid-template-columns: 1fr 1fr; column-gap: var(--space-6); }
  .index-list li:nth-child(1) { border-top: 0; }
}
@media (min-width: 1024px) {
  .statement-grid {
    grid-template-columns: repeat(12, 1fr);
    column-gap: var(--gutter);
    row-gap: var(--space-8);
  }
  .statement-eyebrow { grid-column: 1 / 3; grid-row: 1; }
  .statement-title { grid-column: 3 / 13; grid-row: 1; max-width: 20ch; }
  .statement-body { grid-column: 3 / 7; grid-row: 2; }
  .statement-index { grid-column: 8 / 13; grid-row: 2; }
}

/* --------------------------------------------------------------------------
   10. Solutions Grid (Editorial)
   -------------------------------------------------------------------------- */
.solutions {
  padding-block: var(--space-section);
  background: var(--color-stone);
}
.sol-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
.sol {
  display: grid;
  border-top: 1.5px solid var(--color-ink);
  padding-top: var(--space-4);
  gap: var(--space-5);
}
.sol-body { display: grid; gap: var(--space-3); align-content: start; }
.sol-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  color: var(--color-muted);
}
.sol-title { font-size: var(--text-xl); font-weight: 800; }
.sol-claim { font-size: var(--text-lg); font-weight: 500; line-height: 1.35; }
.sol-text { color: var(--color-muted); max-width: 52ch; }
.sol .link-arrow { margin-top: var(--space-2); justify-self: start; }

.sol--cta {
  padding: var(--space-6);
  border-top: 0;
  border-radius: var(--radius-1);
  gap: var(--space-5);
  align-content: space-between;
}
.sol-cta-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 24ch;
}
.sol--cta .btn { justify-self: start; }

@media (min-width: 768px) {
  .sol-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-7) var(--gutter); }
  .sol--a { grid-column: 1 / -1; }
  .sol--a { grid-template-columns: 1fr 1fr; align-items: end; }
}

@media (min-width: 1024px) {
  .sol-grid { grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); row-gap: var(--space-8); }
  .sol--a { grid-column: 1 / 8; grid-template-columns: 1fr; }
  .sol--b { grid-column: 8 / 13; }
  .sol--c { grid-column: 1 / 5; }
  .sol--d { grid-column: 5 / 9; }
  .sol--e { grid-column: 9 / 13; }
  .sol--f { grid-column: 1 / 7; }
  .sol--cta { grid-column: 7 / 13; }
  .sol--a .ph--sol { aspect-ratio: 16 / 9; }
  .sol--b .ph--sol { aspect-ratio: 4 / 3; }
  .sol--f .ph--sol { aspect-ratio: 16 / 9; }
}

@media (min-width: 1440px) {
  .sol--a .ph--sol { aspect-ratio: 16 / 9; }
  .sol--text .sol-body { padding-top: var(--space-2); }
}

/* --------------------------------------------------------------------------
   11. Process
   -------------------------------------------------------------------------- */
.process { padding-block: var(--space-section); }
.steps {
  display: grid;
  gap: 0;
  position: relative;
  padding-left: 2.25rem;
}
.steps::before {
  content: "";
  position: absolute;
  left: 0.45rem;
  top: 0.6rem;
  bottom: 0.6rem;
  width: 1.5px;
  background: var(--color-ink);
}
.step {
  position: relative;
  display: grid;
  gap: var(--space-2);
  padding-bottom: var(--space-7);
}
.step:last-child { padding-bottom: 0; }
.step::before {
  content: "";
  position: absolute;
  left: -2.25rem;
  top: 0.35rem;
  width: 1rem; height: 1rem;
  background: var(--color-brand);
  border: 1.5px solid var(--color-ink);
  border-radius: 50%;
}
.step-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  color: var(--color-muted);
}
.step-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}
.step-text { color: var(--color-muted); max-width: 36ch; }

@media (min-width: 1024px) {
  .steps { grid-template-columns: repeat(4, 1fr); column-gap: var(--gutter); padding-left: 0; padding-top: var(--space-7); }
  .steps::before { left: 0; right: 0; top: 0.5rem; bottom: auto; width: auto; height: 1.5px; }
  .step { padding-bottom: 0; padding-right: var(--space-5); }
  .step::before { left: 0; top: calc(-1 * var(--space-7) + 0.5rem); transform: translateY(-50%); }
  .step-num {
    font-size: var(--text-3xl);
    font-family: var(--font-display);
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--color-stone-2);
    line-height: 1;
    margin-bottom: var(--space-2);
  }
  .step-title { font-size: var(--text-xl); }
}

/* --------------------------------------------------------------------------
   12. Project / Scroll-Zoom (Panel -> Vollbild -> Flug in 4 Stufen)
   -------------------------------------------------------------------------- */
.expand {
  /* --p = Scroll-Fortschritt 0…1 ueber die ganze Sequenz.
     Ohne JS bleibt 1: fertige Detailansicht mit Infobox. */
  --p: 1;
  /* Teilfortschritte */
  --pe: clamp(0, calc(var(--p) / 0.2), 1);                    /* Panel -> Vollbild */
  --z1: clamp(0, calc(var(--p) / 0.4), 1);                    /* Stufe 1 */
  --z2: clamp(0, calc((var(--p) - 0.3) / 0.3), 1);            /* Stufe 2 */
  --z3: clamp(0, calc((var(--p) - 0.54) / 0.28), 1);          /* Stufe 3 */
  --z4: clamp(0, calc((var(--p) - 0.76) / 0.24), 1);          /* Stufe 4 */
  position: relative;
}
html.js .expand { --p: 0; }

.expand-track { position: relative; height: 320vh; }
.expand-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: clip;
  display: grid;
  align-items: end;
  isolation: isolate;
}

.expand-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
  transform-origin: 50% 50%;
  transform:
    translate3d(calc((1 - var(--pe)) * var(--ex, 0%)), calc((1 - var(--pe)) * var(--ey, 0%)), 0)
    scale(calc(var(--es, 0.5) + (1 - var(--es, 0.5)) * var(--pe)));
  will-change: transform;
}

/* --- Die vier Zoomstufen -------------------------------------------------- */
.zoom { position: absolute; inset: 0; }
.zoom-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  will-change: transform, opacity;
}
.zoom-layer img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Stufe 1: Totale */
.zl-1 {
  transform-origin: 48% 61%;
  transform: scale(calc(1 + 1.15 * var(--z1)));
  opacity: clamp(0, calc((0.40 - var(--p)) / 0.10), 1);
}
/* Stufe 2: Haus formatfuellend */
.zl-2 {
  transform-origin: 54% 52%;
  transform: scale(calc(1 + 0.55 * var(--z2)));
  opacity: calc(clamp(0, calc((var(--p) - 0.30) / 0.10), 1) * clamp(0, calc((0.64 - var(--p)) / 0.10), 1));
}
/* Stufe 3: Modulfeld */
.zl-3 {
  transform-origin: 53% 43%;
  transform: scale(calc(1 + 0.60 * var(--z3)));
  opacity: calc(clamp(0, calc((var(--p) - 0.54) / 0.10), 1) * clamp(0, calc((0.86 - var(--p)) / 0.10), 1));
}
/* Stufe 4: Detail */
.zl-4 {
  transform-origin: 50% 50%;
  transform: scale(calc(1.02 + 0.16 * var(--z4)));
  opacity: clamp(0, calc((var(--p) - 0.76) / 0.10), 1);
}

/* --- Wolken ueber Stufe 1 ------------------------------------------------- */
.clouds {
  position: absolute;
  inset: 0 0 auto 0;
  height: 62%;
  overflow: hidden;
  pointer-events: none;
  opacity: clamp(0, calc((0.30 - var(--p)) / 0.16), 1);
}
.cloud-band {
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 100%;
  background-repeat: repeat-x;
  background-size: 50% 100%;
  will-change: transform;
}
.cb-1 {
  background-image: url("assets/clouds-a.webp");
  opacity: 0.85;
  animation: cloudDrift 78s linear infinite;
}
.cb-2 {
  background-image: url("assets/clouds-b.webp");
  opacity: 0.6;
  animation: cloudDrift 132s linear infinite;
}
@keyframes cloudDrift {
  from { transform: translate3d(-50%, 0, 0); }
  to   { transform: translate3d(0, 0, 0); }
}

.expand-scrim {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: calc(var(--pe) * clamp(0, calc((0.88 - var(--p)) / 0.1), 1));
  background:
    linear-gradient(180deg, rgba(8, 22, 44, 0.45) 0%, rgba(8, 22, 44, 0) 32%),
    linear-gradient(6deg, rgba(8, 22, 44, 0.88) 18%, rgba(8, 22, 44, 0.15) 62%, rgba(8, 22, 44, 0) 82%);
}

.expand-credit {
  position: absolute;
  top: clamp(0.75rem, 3vw, 1.5rem);
  right: clamp(0.75rem, 3vw, 1.5rem);
  z-index: 2;
  opacity: calc(var(--pe) * clamp(0, calc((0.9 - var(--p)) / 0.1), 1));
  padding: 0.35rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-paper);
  background: rgba(8, 22, 44, 0.72);
  border-radius: var(--radius-1);
}

.expand-hint {
  position: absolute;
  bottom: clamp(1.5rem, 5vh, 3rem);
  right: clamp(1.25rem, 4vw, 3rem);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-muted-dark);
  opacity: clamp(0, calc(1 - var(--p) * 8), 1);
}
.expand-hint-line {
  display: block;
  width: 3.5rem;
  height: 1px;
  background: currentColor;
  transform-origin: right center;
  animation: hintLine 2.4s var(--ease-out) infinite;
}
@keyframes hintLine { 0%, 100% { transform: scaleX(0.4); } 50% { transform: scaleX(1); } }

.expand-content {
  position: relative;
  z-index: 2;
  padding-block: clamp(2rem, 6vh, 5rem);
}
.expand-copy {
  display: grid;
  gap: var(--space-5);
  max-width: 46rem;
  transform: translateY(calc((1 - var(--pe)) * 2.5vh));
  opacity: clamp(0, calc((0.70 - var(--p)) / 0.06), 1);
}
.expand-text {
  color: var(--color-muted-dark);
  max-width: var(--measure);
  opacity: clamp(0, calc((var(--p) - 0.12) / 0.08), 1);
}

/* --- Infobox am Ende der Fahrt -------------------------------------------- */
.zoom-info {
  position: absolute;
  z-index: 4;
  left: var(--container-pad);
  right: var(--container-pad);
  bottom: clamp(1.5rem, 6vh, 4rem);
  max-width: 30rem;
  display: grid;
  gap: var(--space-4);
  padding: clamp(1.25rem, 3vw, 2rem);
  background: rgba(8, 22, 44, 0.82);
  -webkit-backdrop-filter: blur(10px);
          backdrop-filter: blur(10px);
  border-left: 3px solid var(--color-brand);
  border-radius: var(--radius-1);
  opacity: clamp(0, calc((var(--p) - 0.86) / 0.09), 1);
  transform: translateY(calc((1 - clamp(0, calc((var(--p) - 0.86) / 0.09), 1)) * 1.5rem));
  pointer-events: none;
}
.expand[data-info="on"] .zoom-info { pointer-events: auto; }
.zoom-info-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-brand);
}
.zoom-info-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-brand);
  box-shadow: 0 0 0 4px rgba(244, 215, 47, 0.22);
  animation: blink 2.2s ease-in-out infinite;
}
.zoom-info-title {
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--color-paper);
}
.zoom-info-data {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--color-line-dark);
}
.zoom-info-data > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-line-dark);
}
.zoom-info-data dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted-dark);
}
.zoom-info-data dd {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-muted-dark);
  white-space: nowrap;
}
.zoom-info-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  color: var(--color-brand);
  margin-right: 0.2em;
}
.zoom-info-note {
  font-size: var(--text-sm);
  line-height: 1.45;
  color: var(--color-muted-dark);
}
.zoom-info .link-arrow { justify-self: start; }

/* Start-Geometrie des Panels. Mobil zusaetzlich auf Querformat beschnitten. */
.expand { --es: 0.84; --ex: 0%; --ey: -10%; }
.expand-media {
  clip-path: inset(
    calc((1 - var(--pe)) * 25%) calc((1 - var(--pe)) * 5%)
    calc((1 - var(--pe)) * 25%) calc((1 - var(--pe)) * 5%)
  );
}
@media (max-height: 700px) {
  .zoom-info { gap: var(--space-3); padding: 1rem 1.1rem; }
  .zoom-info-data > div { padding: 0.4rem 0; }
  .zoom-info-note { display: none; }
}
@media (max-width: 767px) {
  .expand-scrim { opacity: calc(var(--pe) * clamp(0, calc((0.88 - var(--p)) / 0.1), 1) * 0.5 + 0.5 * var(--pe)); }
  .zoom-info { max-width: none; }
  .clouds { height: 55%; }
}
@media (min-width: 768px) {
  .expand { --es: 0.52; --ex: 16%; --ey: -12%; }
  .expand-media { clip-path: none; }
  .expand-track { height: 420vh; }
}
@media (min-width: 1024px) {
  .expand { --es: 0.48; --ex: 20%; --ey: -14%; }
  .expand-track { height: 480vh; }
  .zoom-info { left: auto; right: var(--container-pad); max-width: 27rem; }
}

/* --------------------------------------------------------------------------
   13. Why (Brand Yellow)
   -------------------------------------------------------------------------- */
.why { padding-block: var(--space-section); }
.why-grid {
  display: grid;
  border-top: 1.5px solid var(--color-ink);
}
.why-item {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-6) 0;
  border-bottom: 1.5px solid var(--color-ink);
}
.why-index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
}
.why-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  line-height: 1;
}
.why-text { max-width: 34ch; font-size: var(--text-base); color: var(--fg-soft); }

@media (min-width: 1024px) {
  .why-grid { grid-template-columns: repeat(3, 1fr); }
  .why-item { padding: var(--space-7) var(--space-6) var(--space-7) 0; border-bottom: 0; }
  .why-item + .why-item { padding-left: var(--space-6); border-left: 1.5px solid var(--color-ink); }
  .why-item .why-text { margin-top: var(--space-4); }
}

/* --------------------------------------------------------------------------
   14. Region + abstrahierte Karte
   -------------------------------------------------------------------------- */
.region { padding-block: var(--space-section); }
.region-grid { display: grid; gap: var(--space-7); }
.region-copy { display: grid; gap: var(--space-5); align-content: start; }
.region-copy .eyebrow { margin-bottom: 0; }
.region-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--color-line);
}
.region-list li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--color-line);
  font-weight: 500;
}
.region-list li:last-child { color: var(--color-muted); font-weight: 400; }

.region-map {
  background: var(--color-stone);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-1);
}
.region-map svg { width: 100%; height: auto; }
.map-grid { fill: none; stroke: var(--color-line); stroke-width: 1; }
.map-rings circle { fill: none; stroke: var(--color-ink); stroke-width: 1; stroke-dasharray: 3 7; opacity: 0.5; }
.map-cross path { stroke: var(--color-ink); stroke-width: 1; }
.map-towns circle { fill: var(--color-paper); stroke: var(--color-ink); stroke-width: 1.5; }
.map-towns text, .map-home text {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  fill: var(--color-ink);
}
.map-home rect { fill: var(--color-brand); stroke: var(--color-ink); stroke-width: 1.5; }
.map-home text { font-family: var(--font-display); font-weight: 800; font-size: 16px; text-transform: none; letter-spacing: -0.01em; }
.map-home .map-sub { font-family: var(--font-mono); font-weight: 400; font-size: 11px; fill: var(--color-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.map-legend text { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; fill: var(--color-muted); }

@media (max-width: 767px) {
  /* SVG wird auf ~335px skaliert – Labels hochsetzen, damit sie lesbar bleiben */
  .map-towns text { font-size: 19px; }
  .map-towns circle { r: 6; }
  .map-home text { font-size: 24px; }
  .map-home .map-sub { font-size: 16px; }
  .map-legend { display: none; }
}

@media (min-width: 1024px) {
  .region-grid { grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); align-items: center; }
  .region-copy { grid-column: 1 / 6; }
  .region-map { grid-column: 7 / 13; }
}

/* --------------------------------------------------------------------------
   15. Team
   -------------------------------------------------------------------------- */
.team { padding-block: 0 var(--space-section); }
.team-grid { display: grid; gap: var(--space-7); }
.team-copy { display: grid; gap: var(--space-5); align-content: start; }
.team-copy .eyebrow { margin-bottom: 0; }
.roster { margin: 0; border-top: 1px solid var(--color-line); }
.roster-row {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-line);
}
.roster dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-muted);
}
.roster dd { margin: 0; font-weight: 500; }

@media (min-width: 768px) {
  .roster-row { grid-template-columns: 14rem 1fr; gap: var(--space-4); align-items: baseline; }
}
@media (min-width: 1024px) {
  .team-grid { grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); align-items: start; }
  .ph--team { grid-column: 1 / 8; }
  .team-copy { grid-column: 8 / 13; padding-top: var(--space-6); }
}

/* --------------------------------------------------------------------------
   16. Lead Section
   -------------------------------------------------------------------------- */
.lead-section { padding-block: var(--space-section); }
.lead-form { display: grid; gap: var(--space-7); }

.choice-set { border: 0; padding: 0; margin: 0; min-width: 0; }
.choice-legend {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-muted-dark);
  margin-bottom: var(--space-4);
  padding: 0;
}
.choice-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
.choice { position: relative; display: grid; cursor: pointer; }
.choice input {
  position: absolute;
  opacity: 0;
  width: 1px; height: 1px;
  margin: 0;
}
.choice-card {
  display: grid;
  gap: var(--space-2);
  min-height: 9rem;
  padding: var(--space-5);
  border: 1.5px solid var(--color-line-dark);
  border-radius: var(--radius-1);
  background: var(--color-deep-2);
  transition: border-color var(--dur-fast) var(--ease-out),
              background-color var(--dur-fast) var(--ease-out);
}
.choice-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  color: var(--color-muted-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.choice-num::after {
  content: "";
  width: 1rem; height: 1rem;
  border: 1.5px solid var(--color-muted-dark);
  border-radius: 50%;
  transition: background-color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}
.choice-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-paper);
}
.choice-desc { font-size: var(--text-sm); line-height: 1.45; color: var(--color-muted-dark); }

.choice:hover .choice-card { border-color: var(--color-paper); }
.choice input:checked + .choice-card {
  border-color: var(--color-brand);
  background: var(--color-deep-3);
}
.choice input:checked + .choice-card .choice-num::after {
  background: var(--color-brand);
  border-color: var(--color-brand);
  box-shadow: inset 0 0 0 3px var(--color-deep-3);
}
.choice input:checked + .choice-card .choice-num { color: var(--color-brand); }
.choice input:focus-visible + .choice-card {
  outline: 3px solid var(--color-brand);
  outline-offset: 3px;
}

.lead-fields {
  display: grid;
  gap: var(--space-5);
}
.field { display: grid; gap: var(--space-2); }
.field label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-muted-dark);
}
.field input {
  width: 100%;
  min-height: 3.25rem;
  padding: 0.8rem 0;
  background: transparent;
  border: 0;
  border-bottom: 1.5px solid var(--color-line-dark);
  border-radius: 0;
  color: var(--color-paper);
  font: inherit;
  font-size: var(--text-lg);
  transition: border-color var(--dur-fast) var(--ease-out);
}
.field input::placeholder { color: #7D7B74; }
.field input:hover { border-color: var(--color-paper); }
.field input:focus { border-color: var(--color-brand); outline: none; }
.field input:focus-visible { outline: none; }

.lead-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
}
.lead-status {
  flex-basis: 100%;
  font-size: var(--text-sm);
  color: var(--color-brand);
  min-height: 1.5em;
}
.lead-status:empty { display: none; }
.lead-note {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--color-muted-dark);
  max-width: 60ch;
}

@media (min-width: 640px) {
  .choice-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .choice-grid { grid-template-columns: repeat(5, 1fr); }
  .choice-card { min-height: 12rem; }
  .lead-fields { grid-template-columns: repeat(3, 1fr); column-gap: var(--space-7); }
}

/* --------------------------------------------------------------------------
   17. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  padding-block: var(--space-8) var(--space-6);
  border-top: 1px solid var(--color-line-dark);
}
.footer-grid {
  display: grid;
  gap: var(--space-7);
}
.footer-brand { display: grid; gap: var(--space-4); align-content: start; }
.footer-claim {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}
.footer-desc { color: var(--color-muted-dark); max-width: 40ch; font-size: var(--text-sm); }
.footer-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-muted-dark);
  margin-bottom: var(--space-3);
}
.footer-contact, .footer-hours { line-height: 1.7; }
.footer-contact a, .footer-nav a, .footer-legal a {
  color: var(--color-paper);
  text-decoration: none;
  background-image: linear-gradient(var(--color-brand), var(--color-brand));
  background-repeat: no-repeat;
  background-size: 0% 1.5px;
  background-position: 0 100%;
  transition: background-size var(--dur-base) var(--ease-out);
}
.footer-contact a:hover, .footer-nav a:hover, .footer-legal a:hover { background-size: 100% 1.5px; }
.footer-nav ul { display: grid; gap: var(--space-1); }
.footer-nav a { display: inline-flex; align-items: center; min-height: 2.75rem; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
  align-items: center;
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-line-dark);
  font-size: var(--text-sm);
  color: var(--color-muted-dark);
}
.footer-legal { display: flex; gap: var(--space-5); }
.footer-legal a { display: inline-flex; align-items: center; min-height: 2.75rem; }
.footer-concept {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 5fr 3fr 2fr 2fr; column-gap: var(--gutter); }
}

/* --------------------------------------------------------------------------
   18. Reveal (progressive enhancement) & Reduced Motion
   -------------------------------------------------------------------------- */
html.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}
html.js .reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  /* Scroll-Zoom: kein Pinning, kein Flug. Stufe 2 als ruhiges Vollbild,
     Text und Infobox stehen vollstaendig da. */
  html.js .expand, .expand { --p: 1 !important; }
  .expand-track { height: auto !important; }
  .expand-stage { position: relative; height: auto; min-height: 84vh; }
  .expand-hint, .clouds { display: none; }
  .zl-1, .zl-3, .zl-4 { opacity: 0 !important; }
  .zl-2 { opacity: 1 !important; transform: none !important; }
  .expand-copy, .expand-text { opacity: 1 !important; }
  .expand-scrim { opacity: 1 !important; background: rgba(8, 22, 44, 0.74) !important; }
  .zoom-info {
    position: static;
    opacity: 1 !important;
    transform: none !important;
    pointer-events: auto;
    max-width: none;
    margin: var(--space-6) var(--container-pad) var(--space-7);
  }
  /* Stromimpulse: statische Leiterbahnen ohne Bewegung */
  .cp, .cf { display: none; }
  .circuit-nodes circle { animation: none; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  html.js .reveal { opacity: 1; transform: none; }
  .sol:hover .ph-img,
  .ph--team:hover .ph-img { transform: none; }
  .ph--hero .ph-img, .hud-sun-rays, .sun-mark .sun-rays, .ticker-track,
  .hud-cell, .hud-bar, .hud-led, .hud-flow, .hud-light path, .hud-marker-pulse,
  .sol-icon-cell, .sol-icon-bar, .sol-icon-bolt, .sol-icon-link, .sol-icon-node,
  .sol-icon-flash, .sol-icon-switch, .map-pulse, .note, .hud-panel { animation: none !important; }
  .steps::before, .step::before { transform: none !important; transition: none !important; }
  .hud-marker-pulse { opacity: 0; }
}

/* --------------------------------------------------------------------------
   19. Print (kurz gehalten)
   -------------------------------------------------------------------------- */
@media print {
  .site-header, .skip-link, .lead-note { display: none; }
  .theme-dark, .theme-brand { background: #fff; color: #000; }
}

/* --------------------------------------------------------------------------
   20. Fotos in Placeholder-Rahmen
   -------------------------------------------------------------------------- */
.ph--photo { overflow: hidden; background: var(--color-stone); }
.ph--photo .ph-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease-out);
}
.ph--hero .ph-img {
  transform-origin: 60% 40%;
  animation: kenburns 26s ease-in-out infinite alternate;
}
.ph--photo .ph-corner { z-index: 2; border-color: var(--color-paper); opacity: 0.9; }
.ph-credit {
  position: absolute; z-index: 2;
  left: clamp(0.75rem, 3%, 1.5rem); bottom: clamp(0.75rem, 3%, 1.5rem);
  margin: 0;
  padding: 0.35rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-paper);
  background: rgba(8, 22, 44, 0.72);
  border-radius: var(--radius-1);
}
.ph-credit--top { top: clamp(0.75rem, 3%, 1.5rem); bottom: auto; left: auto; right: clamp(0.75rem, 3%, 1.5rem); }
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.08); } }

/* Hero-Anmerkungen erscheinen gestaffelt */
@media (min-width: 1024px) {
  .note { animation: noteIn 0.7s var(--ease-out) both; }
  .note--1 { animation-delay: 0.5s; }
  .note--4 { animation-delay: 0.75s; }
  .note--2 { animation-delay: 1s; }
  .note--3 { animation-delay: 1.25s; }
}
@keyframes noteIn { from { opacity: 0; transform: translate(-14px, -50%); } to { opacity: 1; transform: translate(-6px, -50%); } }

/* Kleine Sonne am Claim */
.sun-mark { flex: none; color: var(--color-ink); }
.sun-mark .sun-rays { transform-box: fill-box; transform-origin: center; animation: spin 16s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* --------------------------------------------------------------------------
   21. Ticker
   -------------------------------------------------------------------------- */
.ticker {
  overflow: hidden;
  margin-top: var(--space-7);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker 48s linear infinite;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted-dark);
}
.ticker-track span { display: inline-flex; align-items: center; padding-right: 3rem; white-space: nowrap; }
.ticker-track span::after { content: ""; display: inline-block; width: 6px; height: 6px; margin-left: 3rem; background: var(--color-brand); border-radius: 50%; }
.ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* --------------------------------------------------------------------------
   22. HUD – interaktives Energiesystem
   -------------------------------------------------------------------------- */
.hud {
  margin-top: var(--space-9);
  padding: clamp(1.25rem, 1rem + 2.5vw, 3rem);
  border-radius: var(--radius-1);
  position: relative;
}
.hud-head { display: grid; gap: var(--space-3); margin-bottom: var(--space-6); }
.hud-head .eyebrow { margin-bottom: 0; }
.hud-head .eyebrow-index { color: var(--color-brand); border-color: var(--color-line-dark); }
.hud-title { font-size: var(--text-2xl); font-weight: 800; letter-spacing: -0.03em; color: var(--color-paper); }
.hud-grid { display: grid; gap: var(--space-6); }
.hud-stage { position: relative; }
.hud-svg { width: 100%; height: auto; display: block; }

.hud-gridline { fill: none; stroke: rgba(247, 246, 241, 0.07); stroke-width: 1; }

.hud-sun-rays path { fill: none; stroke: var(--color-brand); stroke-width: 2.5; stroke-linecap: round; }
.hud-sun-rays .hud-sun-rays--minor { stroke-width: 1.5; opacity: 0.55; }
.hud-sun-rays { transform-box: fill-box; transform-origin: center; animation: spin 36s linear infinite; }
.hud-sun-core { fill: var(--color-brand); }
.hud-light path { fill: none; stroke: var(--color-brand); stroke-width: 1.2; stroke-linecap: round; stroke-dasharray: 2 9; opacity: 0.75; animation: dashmove 1.8s linear infinite; }

.hud-wall { fill: rgba(247, 246, 241, 0.03); stroke: var(--color-paper); stroke-width: 1.5; stroke-linejoin: round; }
.hud-roof { fill: none; stroke: var(--color-paper); stroke-width: 3; stroke-linecap: round; }
.hud-floor { stroke: rgba(247, 246, 241, 0.35); stroke-width: 1; stroke-dasharray: 4 6; }
.hud-window { fill: rgba(247, 246, 241, 0.06); stroke: rgba(247, 246, 241, 0.55); stroke-width: 1.2; }
.hud-room { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; fill: rgba(247, 246, 241, 0.45); }

.hud-rail { fill: var(--color-paper); }
.hud-cell { fill: #0B2A55; stroke: var(--color-paper); stroke-width: 1.2; animation: cellGlow 4.8s ease-in-out infinite; }
.hud-cells .hud-cell:nth-child(2) { animation-delay: 0.3s; }
.hud-cells .hud-cell:nth-child(3) { animation-delay: 0.6s; }
.hud-cells .hud-cell:nth-child(4) { animation-delay: 0.9s; }
.hud-cells .hud-cell:nth-child(5) { animation-delay: 1.2s; }
.hud-cells .hud-cell:nth-child(6) { animation-delay: 1.5s; }
.hud-cells .hud-cell:nth-child(7) { animation-delay: 1.8s; }
.hud-cells .hud-cell:nth-child(8) { animation-delay: 2.1s; }
@keyframes cellGlow { 0%, 100% { fill: #0B2A55; } 30% { fill: rgba(244, 215, 47, 0.45); } }

.hud-box { fill: var(--color-deep-3); stroke: var(--color-paper); stroke-width: 1.5; transition: stroke var(--dur-base) var(--ease-out); }
.hud-display { fill: rgba(244, 215, 47, 0.3); stroke: var(--color-brand); stroke-width: 1; }
.hud-lines { fill: none; stroke: rgba(247, 246, 241, 0.5); stroke-width: 1.2; }
.hud-switches rect { fill: var(--color-paper); }
.hud-switches rect:nth-child(5) { animation: switchFlip 3.2s steps(1) infinite; }
@keyframes switchFlip { 0%, 100% { fill: var(--color-paper); } 50% { fill: var(--color-brand); } }
.hud-led { fill: var(--color-brand); animation: blink 2.2s ease-in-out infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }
.hud-bar { fill: var(--color-brand); }
.hud-bar--1 { animation: barFill 4.5s ease-in-out infinite; }
.hud-bar--2 { animation: barFill 4.5s ease-in-out infinite; animation-delay: 0.5s; }
.hud-bar--3 { animation: barFill 4.5s ease-in-out infinite; animation-delay: 1s; }
@keyframes barFill { 0%, 100% { opacity: 1; } 35% { opacity: 0.15; } 70% { opacity: 1; } }
.hud-cable { fill: none; stroke: var(--color-paper); stroke-width: 1.5; }
.hud-car-body { fill: var(--color-deep-3); stroke: var(--color-paper); stroke-width: 1.5; stroke-linejoin: round; }
.hud-wheel { fill: var(--color-ink); stroke: var(--color-paper); stroke-width: 1.5; }
.hud-car-glass { fill: rgba(247, 246, 241, 0.15); stroke: rgba(247, 246, 241, 0.5); stroke-width: 1; }
.hud-pole { stroke: var(--color-paper); stroke-width: 2; stroke-linecap: round; }
.hud-insulator { fill: var(--color-brand); }
.hud-load-ring { fill: none; stroke: rgba(247, 246, 241, 0.6); stroke-width: 1.2; }
.hud-load-bolt { fill: var(--color-brand); }

.hud-flow {
  fill: none;
  stroke: rgba(247, 246, 241, 0.3);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-dasharray: 6 10;
  animation: dashmove 1.5s linear infinite;
  transition: stroke var(--dur-base) var(--ease-out), stroke-width var(--dur-base) var(--ease-out);
}
.hud-flow.is-active { stroke: var(--color-brand); stroke-width: 2.5; animation-duration: 0.7s; }
@keyframes dashmove { to { stroke-dashoffset: -32; } }

.hud-el { transition: opacity var(--dur-base) var(--ease-out); }
.hud.has-active .hud-el:not(.is-active) { opacity: 0.55; }
.hud-el.is-active .hud-box { stroke: var(--color-brand); stroke-width: 2.5; }
.hud-el.is-active .hud-cell { stroke: var(--color-brand); }
.hud-el.is-active .hud-pole { stroke: var(--color-brand); }

.hud-marker { cursor: pointer; }
.hud-marker-pulse { fill: rgba(244, 215, 47, 0.3); transform-box: fill-box; transform-origin: center; animation: pulse 2.4s ease-out infinite; }
.hud-marker:nth-child(2) .hud-marker-pulse { animation-delay: 0.4s; }
.hud-marker:nth-child(3) .hud-marker-pulse { animation-delay: 0.8s; }
.hud-marker:nth-child(4) .hud-marker-pulse { animation-delay: 1.2s; }
.hud-marker:nth-child(5) .hud-marker-pulse { animation-delay: 1.6s; }
.hud-marker:nth-child(6) .hud-marker-pulse { animation-delay: 2s; }
.hud-marker-dot { fill: var(--color-paper); stroke: var(--color-ink); stroke-width: 1.5; transition: fill var(--dur-fast) var(--ease-out); }
.hud-marker text { font-family: var(--font-mono); font-size: 12px; font-weight: 700; text-anchor: middle; fill: var(--color-ink); pointer-events: none; }
.hud-marker:hover .hud-marker-dot, .hud-marker.is-active .hud-marker-dot { fill: var(--color-brand); }
.hud-marker.is-active .hud-marker-pulse { animation-duration: 1.4s; }
@keyframes pulse { 0% { transform: scale(0.6); opacity: 0.9; } 100% { transform: scale(1.7); opacity: 0; } }

.hud-tabs { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.hud-tab {
  display: inline-flex; align-items: center; gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.5rem 0.9rem;
  background: transparent;
  border: 1px solid var(--color-line-dark);
  border-radius: var(--radius-1);
  color: var(--color-muted-dark);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}
.hud-tab-num {
  font-family: var(--font-mono); font-size: 0.6875rem;
  width: 1.25rem; height: 1.25rem;
  display: inline-grid; place-items: center;
  border: 1px solid currentColor; border-radius: 50%;
}
.hud-tab:hover { color: var(--color-paper); border-color: var(--color-paper); }
.hud-tab[aria-selected="true"] { background: var(--color-brand); color: var(--color-ink); border-color: var(--color-brand); }

.hud-panels { margin-top: var(--space-5); padding-top: var(--space-5); border-top: 1px solid var(--color-line-dark); }
.hud-panel { display: grid; gap: var(--space-3); animation: panelIn 0.45s var(--ease-out) both; }
.hud-panel[hidden] { display: none; }
html:not(.js) .hud-panel[hidden] { display: grid; margin-top: var(--space-6); }
.hud-panel-index { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--color-muted-dark); }
.hud-panel-title { font-size: var(--text-xl); font-weight: 800; letter-spacing: -0.02em; color: var(--color-paper); }
.hud-panel-list { display: grid; gap: var(--space-2); }
.hud-panel-list li { position: relative; padding-left: 1.25rem; color: var(--color-muted-dark); line-height: 1.5; }
.hud-panel-list li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 0.6rem; height: 2px; background: var(--color-brand); }
.hud-panel .link-arrow { margin-top: var(--space-2); justify-self: start; }
.link-arrow--light { color: var(--color-paper); }
@keyframes panelIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

@media (min-width: 1024px) {
  .hud-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); column-gap: var(--space-8); align-items: start; }
  .hud-panels { min-height: 17rem; }
}
@media (max-width: 767px) {
  .hud-markers { display: none; }   /* Marker zu klein, Auswahl über die Tab-Leiste */
  .hud-room { font-size: 16px; }
}

/* --------------------------------------------------------------------------
   23. Animierte Lösungs-Icons
   -------------------------------------------------------------------------- */
.sol-head { display: flex; align-items: center; justify-content: space-between; }
.sol-icon { width: 44px; height: 44px; fill: none; stroke: var(--color-ink); stroke-width: 1.5; stroke-linejoin: round; stroke-linecap: round; flex: none; }
.sol-icon-cell { fill: transparent; stroke: none; animation: cellPulse 3.6s ease-in-out infinite; }
.sol-icon-cell.c2 { animation-delay: 0.25s; } .sol-icon-cell.c3 { animation-delay: 0.5s; }
.sol-icon-cell.c4 { animation-delay: 0.75s; } .sol-icon-cell.c5 { animation-delay: 1s; } .sol-icon-cell.c6 { animation-delay: 1.25s; }
@keyframes cellPulse { 0%, 100% { fill: transparent; } 30% { fill: var(--color-brand); } }
.sol-icon-bar { fill: var(--color-brand); stroke: none; animation: barFill 3.6s ease-in-out infinite; }
.sol-icon-bar.b2 { animation-delay: 0.4s; } .sol-icon-bar.b3 { animation-delay: 0.8s; }
.sol-icon-bolt { fill: var(--color-brand); stroke: none; transform-box: fill-box; transform-origin: center; animation: boltPulse 1.8s ease-in-out infinite; }
@keyframes boltPulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.18); opacity: 0.7; } }
.sol-icon-link { stroke: var(--color-muted); stroke-dasharray: 3 4; animation: dashmove 1.6s linear infinite; }
.sol-icon-node { fill: var(--color-paper); }
.sol-icon-node.n0 { fill: var(--color-brand); }
.sol-icon-node.n1, .sol-icon-node.n2, .sol-icon-node.n3, .sol-icon-node.n4 { animation: nodeBlink 3.2s ease-in-out infinite; }
.sol-icon-node.n2 { animation-delay: 0.8s; } .sol-icon-node.n3 { animation-delay: 1.6s; } .sol-icon-node.n4 { animation-delay: 2.4s; }
@keyframes nodeBlink { 0%, 100% { fill: var(--color-paper); } 25% { fill: var(--color-brand); } }
.sol-icon-flash { fill: var(--color-brand); stroke: none; animation: flash 2.4s steps(1) infinite; }
@keyframes flash { 0%, 100% { opacity: 1; } 45% { opacity: 0.15; } 55% { opacity: 1; } 65% { opacity: 0.15; } 75% { opacity: 1; } }
.sol-icon-switch { fill: var(--color-ink); stroke: none; transform-box: fill-box; transform-origin: center; }
.sol-icon-switch.s2 { animation: switchMove 3s steps(1) infinite; }
@keyframes switchMove { 0%, 100% { transform: translateY(0); fill: var(--color-ink); } 50% { transform: translateY(-5px); fill: var(--color-brand); } }

/* --------------------------------------------------------------------------
   24. Prozesslinie zeichnet sich, Karte pulsiert
   -------------------------------------------------------------------------- */
html.js .steps::before { transform: scaleY(0); transform-origin: top; transition: transform 1.4s var(--ease-out); }
html.js .steps.is-in::before { transform: scaleY(1); }
html.js .step::before { transform: scale(0); transition: transform 0.5s var(--ease-out); }
html.js .steps.is-in .step::before { transform: scale(1); }
html.js .steps.is-in .step:nth-child(2)::before { transition-delay: 0.3s; }
html.js .steps.is-in .step:nth-child(3)::before { transition-delay: 0.6s; }
html.js .steps.is-in .step:nth-child(4)::before { transition-delay: 0.9s; }
@media (min-width: 1024px) {
  html.js .steps::before { transform: scaleX(0); transform-origin: left; }
  html.js .steps.is-in::before { transform: scaleX(1); }
  html.js .step::before { transform: translateY(-50%) scale(0); }
  html.js .steps.is-in .step::before { transform: translateY(-50%) scale(1); }
}

.map-pulse { fill: none; stroke: var(--color-brand); stroke-width: 2; transform-box: fill-box; transform-origin: center; animation: mapPulse 6s ease-out infinite; }
.map-pulse--2 { animation-delay: 3s; }
@keyframes mapPulse { 0% { transform: scale(0.05); opacity: 0.9; } 100% { transform: scale(1); opacity: 0; } }

/* --------------------------------------------------------------------------
   25. Energieströme als Hintergrund (dunkle Flächen)
   -------------------------------------------------------------------------- */
.trust,
.hud,
.sol--cta,
.lead-section,
.site-footer {
  position: relative;
  isolation: isolate;
}
.expand-stage { isolation: isolate; }   /* bleibt sticky */

/* Feines technisches Raster */
.trust::before,
.hud::before,
.sol--cta::before,
.lead-section::before,
.site-footer::before,
.expand-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(170, 179, 192, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(170, 179, 192, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
  -webkit-mask-image: radial-gradient(130% 100% at 15% 0%, #000 0%, rgba(0, 0, 0, 0.55) 55%, transparent 88%);
          mask-image: radial-gradient(130% 100% at 15% 0%, #000 0%, rgba(0, 0, 0, 0.55) 55%, transparent 88%);
}



/* Der Ticker sitzt auf der Trust-Fläche – Raster dort ruhiger halten */
.ticker { position: relative; z-index: 1; }
.hud-grid, .hud-head { position: relative; z-index: 1; }

/* --------------------------------------------------------------------------
   26. Stromimpulse: Leiterbahnen, wandernde Pulse, Flares
   -------------------------------------------------------------------------- */
.svg-defs { position: absolute; width: 0; height: 0; overflow: hidden; }

.circuit {
  position: absolute;
  inset: -48px;                /* Blur-Kanten liegen ausserhalb der Sektion */
  z-index: -1;
  pointer-events: none;
  overflow: visible;
  opacity: 0.5;
  filter: blur(3px);           /* Hintergrund bleibt weich, der Lesefluss ungestoert */
  will-change: opacity;
  /* Über der Textspalte zusätzlich zurückgenommen */
  -webkit-mask-image: radial-gradient(115% 135% at 28% 48%, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.45) 42%, #000 82%);
          mask-image: radial-gradient(115% 135% at 28% 48%, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.45) 42%, #000 82%);
}
/* Sektionen kappen die weichen Kanten */
.trust, .lead-section, .site-footer { overflow: hidden; }

/* Auf Phones nur die ruhende Struktur, keine bewegten Impulse */
@media (max-width: 767px) {
  .circuit { filter: blur(2px); opacity: 0.38; }
  .cp, .cf { display: none; }
}

/* Ruhende Leiterbahnen */
.circuit-traces path {
  fill: none;
  stroke: rgba(180, 207, 240, 0.13);
  stroke-width: 1.5;
  stroke-linecap: square;
}
.circuit-nodes circle {
  fill: rgba(180, 207, 240, 0.26);
}

/* Wandernde Stromimpulse: langsam, damit selten mehr als einer sichtbar ist */
.cp {
  fill: none;
  stroke: var(--color-spark);
  stroke-width: 2;
  stroke-linecap: round;
  filter: url(#circuit-glow);
  stroke-dasharray: 60 2400;
  stroke-dashoffset: 2460;
  animation: circuitPulse 18s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}
.cp--1 { animation-duration: 18s; animation-delay: 0s; }
.cp--2 { animation-duration: 24s; animation-delay: 6s;  stroke: #9BE7FF; }
.cp--3 { animation-duration: 21s; animation-delay: 12s; }
.cp--4 { animation-duration: 27s; animation-delay: 17s; stroke: var(--color-brand); stroke-width: 1.75; }
@keyframes circuitPulse {
  0%   { stroke-dashoffset: 2460; opacity: 0; }
  10%  { opacity: 0.75; }
  80%  { opacity: 0.75; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}

/* Flares reiten auf denselben Bahnen mit */
.cf { display: none; }
@supports (offset-path: path("M0 0 H1")) {
  .cf {
    display: block;
    fill: url(#circuit-flare);
    mix-blend-mode: screen;
    offset-rotate: 0deg;
    offset-distance: 0%;
    animation: circuitFlare 18s cubic-bezier(0.5, 0, 0.5, 1) infinite;
  }
  .cf--1 {
    offset-path: path("M-60 74 H236 L286 24 H700 L750 74 H1120 L1170 24 H1500");
    animation-duration: 18s; animation-delay: 0s;
  }
  .cf--2 {
    offset-path: path("M-60 168 H150 L200 218 H560 L610 168 H980 L1030 218 H1500");
    animation-duration: 24s; animation-delay: 6s;
  }
  .cf--3 {
    offset-path: path("M-60 300 H330 L380 250 H760 L810 300 H1180 L1230 250 H1500");
    animation-duration: 21s; animation-delay: 12s;
  }
  .cf--4 {
    offset-path: path("M-60 386 H480 L530 336 H900 L950 386 H1500");
    animation-duration: 27s; animation-delay: 17s;
    fill: url(#circuit-flare-warm);
  }
}
@keyframes circuitFlare {
  0%   { offset-distance: 0%;   opacity: 0; }
  12%  { opacity: 0.7; }
  78%  { opacity: 0.7; }
  100% { offset-distance: 100%; opacity: 0; }
}