/* ============================================================
   Patrick Leißner – Energieberatung | Haupt-Stylesheet
   CI: Styleguide aeppeal design ed01|2025
   ============================================================ */

/* ── Outfit Variable Font – selbst gehostet (kein Google-CDN) ── */
@font-face {
  font-family: 'Outfit';
  src: url('assets/Typographie/Outfit-VariableFont_wght.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ── Animated Gradient Border – @property registration ──────── */
@property --gradient-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

@keyframes gradient-rotate {
  from { --gradient-angle: 0deg; }
  to   { --gradient-angle: 360deg; }
}

/* ── CSS Custom Properties (CI-konform) ───────────────────── */
:root {
  /* === CI BRAND COLORS (Styleguide Patrick Leißner) === */
  --color-brand-primary:       #2E4F3C;   /* CI Grün   HEX #2E4F3C              */
  --color-brand-primary-hover: #3a6350;
  --color-brand-accent:        #D0AB3B;   /* CI Gold   HEX #D0AB3B              */
  --color-brand-accent-dark:   #b5952e;
  --color-beige:               #F1F0E9;   /* CI Beige  HEX #F1F0E9              */

  /* === CI TYPOGRAPHY: Outfit (einzige Hausschrift) === */
  --font-body:    'Outfit', Verdana, sans-serif;

  /* Surfaces */
  --color-surface:          #ffffff;
  --color-surface-alt:      #F1F0E9;     /* CI Beige – für Hintergründe        */
  --color-surface-dark:     #192c21;     /* Sehr dunkles Grün (Hero / Footer)  */
  --color-surface-dark-alt: #2E4F3C;     /* CI Grün                            */

  /* Text (Styleguide: Schwarz = Standard-Schriftfarbe) */
  --color-text-primary:        #000000;
  --color-text-secondary:      #444444;
  --color-text-muted:          #6b7280;
  --color-text-on-dark:        #ffffff;
  --color-text-on-dark-muted:  #9ca3af;

  /* UI */
  --color-border:           #e2e4e0;
  --color-border-dark:      #3a5948;
  --color-shadow:           rgba(46, 79, 60, 0.10);
  --color-shadow-lg:        rgba(46, 79, 60, 0.18);

  /* Spacing scale (4-point) */
  --space-1: 0.25rem;   /*  4px */
  --space-2: 0.5rem;    /*  8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* Layout */
  --container-max:   1200px;
  --nav-height:      90px;
  --border-radius:   0.75rem;
  --border-radius-sm: 0.5rem;
  --border-radius-lg: 1rem;

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 220ms ease-out;
  --transition-slow: 350ms ease-out;

  /* Z-Index scale */
  --z-base:    0;
  --z-card:    10;
  --z-nav:     40;
  --z-overlay: 100;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  /* clip statt hidden: verhindert horizontales Scrollen, erzeugt aber
     KEINEN Scroll-Container – sonst bräche position:sticky (Varianten-BG). */
  overflow-x: clip;
}

img, svg { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ── Skip Link ────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-brand-accent);
  color: var(--color-text-primary);
  font-weight: 600;
  border-radius: 0 0 var(--border-radius-sm) var(--border-radius-sm);
  z-index: var(--z-overlay);
  transition: top var(--transition-fast);
}
.skip-link:focus { top: 0; }

/* ── Container ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

@media (min-width: 640px) {
  .container { padding-inline: var(--space-8); }
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--border-radius-sm);
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn:focus-visible {
  outline: 3px solid var(--color-brand-accent);
  outline-offset: 3px;
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1rem;
}

/* Shine effect on primary/accent buttons */
.btn-accent::after,
.btn-primary::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transition: left 0.45s ease;
}
.btn-accent:hover::after,
.btn-primary:hover::after { left: 150%; }

/* Accent button */
.btn-accent {
  background: var(--color-brand-accent);
  color: #0f172a;
  border-color: var(--color-brand-accent);
}
.btn-accent:hover {
  background: var(--color-brand-accent-dark);
  border-color: var(--color-brand-accent-dark);
  box-shadow: 0 6px 20px rgba(208, 171, 59, 0.35);
  transform: translateY(-1px);
}
.btn-accent:active { transform: translateY(0); }

/* Primary button */
.btn-primary {
  background: var(--color-brand-primary);
  color: #ffffff;
  border-color: var(--color-brand-primary);
}
.btn-primary:hover {
  background: var(--color-brand-primary-hover);
  border-color: var(--color-brand-primary-hover);
  box-shadow: 0 6px 20px var(--color-shadow-lg);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

/* Ghost button (for dark backgrounds) */
.btn-ghost {
  background: transparent;
  color: rgba(241, 245, 249, 0.9);
  border-color: rgba(241, 245, 249, 0.4);
}
.btn-ghost:hover {
  background: rgba(241, 245, 249, 0.1);
  border-color: rgba(241, 245, 249, 0.8);
  color: #ffffff;
}

/* Outline button (for light backgrounds, e.g. Wizard-"Zurück") */
.btn-outline {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-brand-primary);
  color: var(--color-brand-primary);
}

/* Submit button states */
.btn-submit { min-width: 200px; }
.btn-submit .btn-loading { display: none; }
.btn-submit.is-loading .btn-text { display: none; }
.btn-submit.is-loading .btn-loading { display: block; }
.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* ── Navigation ───────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  background: transparent;
  transition: background-color var(--transition-slow), box-shadow var(--transition-slow);
}

.site-header.scrolled {
  background: rgba(14, 28, 20, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.25);
}

.nav-container {
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

@media (min-width: 640px) {
  .nav-container { padding-inline: var(--space-8); }
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.nav-logo img {
  height: 76px;
  width: auto;
  object-fit: contain;
}

.nav-logo-text {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.01em;
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
}

@media (min-width: 1024px) {
  .nav-links { display: flex; }
}

.nav-links a {
  padding: var(--space-2) var(--space-4);
  color: rgba(241, 245, 249, 0.85);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--border-radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}
.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
  background: rgba(255,255,255,0.1);
}
.nav-links a:focus-visible {
  outline: 2px solid var(--color-brand-accent);
  outline-offset: 2px;
}

.nav-cta {
  margin-left: auto;
  display: none;
  transition:
    opacity var(--transition-base),
    visibility var(--transition-base);
}

.nav-cta.nav-cta--hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

@media (min-width: 1024px) {
  .nav-links + .nav-cta { margin-left: var(--space-4); }
  .nav-cta { display: inline-flex; }
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: var(--space-2);
  margin-left: auto;
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-fast);
}

.hamburger:hover { background: rgba(255,255,255,0.1); }
.hamburger:focus-visible { outline: 2px solid var(--color-brand-accent); outline-offset: 2px; }

.hamburger span {
  display: block;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast), width var(--transition-base);
  transform-origin: center;
}

.hamburger span:nth-child(1) { width: 22px; }
.hamburger span:nth-child(2) { width: 16px; }
.hamburger span:nth-child(3) { width: 22px; }

.hamburger[aria-expanded="true"] span:nth-child(1) {
  width: 22px;
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
  width: 22px;
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .hamburger { display: none; }
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: var(--nav-height) 0 0 0;
  background: rgba(14, 28, 20, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  z-index: calc(var(--z-nav) - 1);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow);
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding-inline: var(--space-8);
}

.mobile-menu a {
  display: block;
  padding: var(--space-4) var(--space-8);
  color: rgba(241, 245, 249, 0.9);
  font-size: 1.25rem;
  font-weight: 500;
  text-align: center;
  border-radius: var(--border-radius);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  width: 100%;
}

.mobile-menu a:hover { color: #ffffff; background: rgba(255,255,255,0.08); }
.mobile-menu a.btn { font-size: 1rem; margin-top: var(--space-4); }


/* ── Section Layout ───────────────────────────────────────── */
.section {
  padding-block: var(--space-20);
}

.section-alt {
  background: var(--color-surface-alt);
}

.section-dark {
  background: var(--color-surface-dark);
}

/* CI: Überschriften auf Weiß/Beige → Grün; Text immer linksbündig.
   Ausnahme: Zentrierung für Marketing bis 3 Zeilen erlaubt. */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
  max-width: 680px;
  margin-inline: auto;
}

.section-header h2 { color: var(--color-brand-primary); }

.section-header p {
  margin-top: var(--space-4);
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
  text-wrap: balance;
}

.section-header-light h2,
.section-header-light p,
.section-header-light .section-label { color: var(--color-text-on-dark); }
.section-header-light p { color: var(--color-text-on-dark-muted); }

.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-brand-accent);
  margin-bottom: var(--space-3);
}

/* ── Typography (CI: Outfit, immer linksbündig außer Marketing) */
h1, h2, h3, h4 {
  font-family: var(--font-body);
  line-height: 1.18;
  color: var(--color-text-primary);
  font-weight: 700;
}

/* Großer Titel (Marketing): Outfit Bold, min. 48pt → CI: Gold oder Beige */
h1 { font-size: clamp(2.5rem, 5.5vw, 4rem); font-weight: 700; }
/* Überschrift: Outfit Medium/Bold → CI: Grün, Schwarz oder Weiß */
h2 { font-size: clamp(1.875rem, 3.5vw, 2.75rem); font-weight: 700; }
/* Subüberschrift: Outfit Medium */
h3 { font-size: clamp(1.25rem, 2.2vw, 1.625rem); font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; }

p { max-width: 68ch; }

/* ── Hero Section ─────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #070d0a;
  padding-block: calc(var(--nav-height) + var(--space-16)) var(--space-20);
}

/* WebGL shader canvas fills the entire hero */
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
}

/* ── Hero Content ─────────────────────────────────────────── */
.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-6);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: rgba(208, 171, 59, 0.10);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(208, 171, 59, 0.28);
  border-radius: 9999px;
  color: var(--color-brand-accent);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* CI: Großer Titel zentriert, CI-Gold Verlauf */
.hero h1 {
  background: linear-gradient(135deg, #f0d060 0%, #D0AB3B 40%, #e8c040 72%, #c09828 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  max-width: 20ch;
  margin-inline: auto;
}

.hero-headline2 {
  color: var(--color-brand-primary);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  line-height: 1.2;
  max-width: 36ch;
  margin-bottom: var(--space-3);
}

.hero-bold {
  color: #ffffff;
  font-size: clamp(1rem, 1.8vw, 1.125rem);
  font-weight: 700;
  max-width: 72ch;
  margin-bottom: var(--space-4);
}

.hero-subline {
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(1rem, 1.8vw, 1.125rem);
  font-weight: 300;
  max-width: 72ch;
  line-height: 1.78;
  margin-inline: auto;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-2);
  justify-content: center;
}

/* ── Trust-Streifen — Glaskarten (Übergang Hero → Leistungen) ── */
.trust-strip {
  background: var(--color-surface-alt);              /* Beige, geht nahtlos in Leistungen über */
  padding-block: var(--space-14) var(--space-10);
}

.trust-strip-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);             /* gleiche Spalten */
  gap: var(--space-4);
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  text-align: center;
  padding: var(--space-5) var(--space-4);
  background: rgba(255, 255, 255, 0.55);             /* Glas-Füllung */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(208, 171, 59, 0.25);         /* dezenter Gold-Rand als Marken-Akzent */
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 20px var(--color-shadow);
}

.trust-value {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 700;
  color: var(--color-brand-primary);                 /* Dunkelgrün statt Gold — bessere Lesbarkeit auf hellem Glas */
  line-height: 1.1;
}

.trust-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  max-width: 24ch;
}

@media (max-width: 640px) {
  .trust-strip-inner { grid-template-columns: 1fr; }
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(208, 171, 59, 0.38);
  z-index: 2;
  animation: bounce 2.4s ease-in-out infinite;
}

/* ── Varianten-Sektionen (Eco / Premium / Solaris² — gleiches Pattern) ── */
.variant-intro {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  padding-block: var(--space-12) var(--space-4);
}

.variant-intro .section-label { color: var(--color-brand-accent); }
.variant-intro h2 { color: var(--color-brand-primary); margin-top: var(--space-3); }
.variant-intro p {
  margin-top: var(--space-3);
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.section-variant {
  position: relative;
  overflow: hidden;
  background: #070d0a;
}

/* Durchgehender Shader-Hintergrund über alle drei Varianten-Sektionen
   (Eco/Premium/Solaris). Der Canvas ist EIN viewport-hoher, klebender
   (position:sticky) Layer, der beim Scrollen hinter allen Sektionen
   gepinnt bleibt – dadurch ist der Shader auf jeder Sektion gleich hell
   (auch mobil, wo der Block sehr hoch wird) und rendert nur ~1 Bildschirm
   statt der vollen Blockhöhe. Der Wrapper trägt die Fallback-Farbe
   (kein WebGL / prefers-reduced-motion); die Sektionen werden transparent
   und schweben – samt ihrer Glas-Kacheln – über dem gemeinsamen Grund. */
.variant-stack {
  position: relative;
  background: #070d0a;
}

.variant-bg {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  /* aus dem Fluss nehmen, damit die Sektionen oben am Block beginnen und
     den gepinnten Canvas überlagern */
  margin-bottom: -100vh;
  margin-bottom: -100dvh;
  z-index: 0;
  display: block;
}

.variant-stack > .section-variant {
  position: relative;
  z-index: 1;
  background: transparent;
  overflow: visible;
}

.variant-inner {
  position: relative;
  z-index: 2;
}

.variant-features {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  max-width: 56rem;
  margin: var(--space-10) auto var(--space-6);
  padding: 0;
}

@media (max-width: 680px) {
  .variant-features { grid-template-columns: 1fr; }
}

.variant-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: rgba(208, 171, 59, 0.08);
  border: 1px solid rgba(208, 171, 59, 0.22);
  border-radius: var(--border-radius);
}

.variant-features svg {
  flex-shrink: 0;
  color: var(--color-brand-accent);
  margin-top: 0.15rem;
}

.variant-features strong {
  display: block;
  color: var(--color-text-on-dark);
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.variant-features span {
  display: block;
  color: var(--color-text-on-dark-muted);
  font-size: 0.8rem;
}

.variant-note {
  text-align: center;
  color: var(--color-text-on-dark-muted);
  font-size: 0.8rem;
  max-width: 56rem;
  margin: 0 auto var(--space-8);
}

/* Prominenter Hinweis (z.B. Solaris²-Gegenleistung) — bewusst NICHT als
   blasse Fußnote, sondern als deutlich sichtbarer Callout */
.variant-callout {
  max-width: 56rem;
  margin: 0 auto var(--space-8);
  padding: var(--space-5);
  background: rgba(208, 171, 59, 0.14);
  border: 1px solid rgba(208, 171, 59, 0.45);
  border-radius: var(--border-radius);
}

.variant-callout strong {
  display: block;
  color: var(--color-text-on-dark);
  font-size: 0.9375rem;
  margin-bottom: var(--space-1);
}

.variant-callout p {
  color: var(--color-text-on-dark-muted);
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0;
  max-width: none; /* Fließtext füllt die volle Callout-Breite, kein 68ch-Cap */
}

.variant-cta {
  display: flex;
  justify-content: center;
}

/* Lange Varianten-CTAs ("… Lass uns sprechen.") dürfen umbrechen, statt auf
   schmalen Screens über den Rand hinauszulaufen (die globale .btn-Regel setzt
   white-space:nowrap). */
.variant-cta .btn {
  white-space: normal;
  max-width: 100%;
  text-align: center;
  line-height: 1.3;
}

/* ── Leistungen Section ───────────────────────────────────── */
.section-leistungen {
  background: var(--color-surface-alt);
  padding-block: var(--space-20);
}

.leistungen-header {
  text-align: center;
  margin-bottom: var(--space-14);
}

.leistungen-header h2 {
  color: var(--color-brand-primary);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.leistungen-header p {
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  max-width: 48ch;
  margin-inline: auto;
  line-height: 1.65;
}

.leistungen-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .leistungen-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1100px) {
  .leistungen-grid { grid-template-columns: repeat(4, 1fr); }
}

.leistungen-gruppe {
  display: contents;
}

.leistungen-rubrik-label {
  grid-column: 1 / -1;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand-accent);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  margin-bottom: 0;
}

.leistungen-gruppe:first-child .leistungen-rubrik-label {
  padding-top: 0;
  border-top: none;
}

.leistung-card {
  background: var(--color-surface);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.leistung-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(46, 79, 60, 0.12);
}

.leistung-img {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: linear-gradient(135deg, #dfe8dc, #c8d8c4);
  flex-shrink: 0;
}

.leistung-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform var(--transition-slow);
}

.leistung-card:hover .leistung-img img {
  transform: scale(1.06);
}

.leistung-icon {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: rgba(7, 13, 10, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(208, 171, 59, 0.4);
  color: var(--color-brand-accent);
}

.leistung-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.leistung-img--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.leistung-body {
  padding: var(--space-6) var(--space-6) var(--space-4);
  flex: 1;
}

.leistung-body h3 {
  color: var(--color-brand-primary);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.leistung-body p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.leistung-slogan {
  color: var(--color-brand-accent);
  font-size: 0.85rem;
  font-weight: 600;
  font-style: italic;
  margin-bottom: var(--space-3);
  line-height: 1.4;
}

.leistung-footer {
  padding: var(--space-4) var(--space-6) var(--space-6);
  display: flex;
  justify-content: center;
}

.btn-leistung {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.5rem;
  border: 1.5px solid var(--color-brand-primary);
  border-radius: 999px;
  color: var(--color-brand-primary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background var(--transition-base), color var(--transition-base);
}

.btn-leistung:hover {
  background: var(--color-brand-primary);
  color: #ffffff;
}

.leistung-footer--multi {
  flex-direction: column;
  gap: var(--space-2);
  align-items: stretch;
}

.btn-leistung--full {
  justify-content: center;
  width: 100%;
  text-align: center;
}

.btn-leistung--secondary:hover {
  background: var(--color-brand-primary);
  color: #ffffff;
}

/* ── Services Section (legacy – nicht mehr verwendet) ─────── */
.services-grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
}

.service-card {
  --x: -9999;
  --y: -9999;
  /* Layer 1: CI-Gold Body-Spotlight (folgt Maus), Layer 2: Kartenhintergrund */
  background-color: var(--color-surface);
  background-image: radial-gradient(
    200px 200px at
    calc(var(--x, -9999) * 1px) calc(var(--y, -9999) * 1px),
    rgba(208, 171, 59, 0.07) 0%,
    transparent 100%
  );
  background-attachment: fixed;
  border: 2px solid rgba(208, 171, 59, 0.12);
  border-radius: var(--border-radius-lg);
  padding: var(--space-10) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  box-shadow: 0 2px 16px var(--color-shadow);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
  position: relative;
}

/* Spotlight glow border – CI Gold #D0AB3B (hue 43) */
.service-card::before,
.service-card::after {
  content: '';
  pointer-events: none;
  position: absolute;
  inset: -2px;
  border: 2px solid transparent;
  border-radius: var(--border-radius-lg);
  background-attachment: fixed;
  background-repeat: no-repeat;
  background-position: 50% 50%;
  background-size: calc(100% + 4px) calc(100% + 4px);
  -webkit-mask:
    linear-gradient(transparent, transparent),
    linear-gradient(white, white);
  -webkit-mask-clip: padding-box, border-box;
  -webkit-mask-composite: destination-in;
  mask:
    linear-gradient(transparent, transparent),
    linear-gradient(white, white);
  mask-clip: padding-box, border-box;
  mask-composite: intersect;
}

/* Gold glow layer */
.service-card::before {
  background-image: radial-gradient(
    180px 180px at
    calc(var(--x, -9999) * 1px) calc(var(--y, -9999) * 1px),
    hsl(43 85% 58% / 1), transparent 100%
  );
  filter: brightness(1.6);
}

/* White-gold highlight layer */
.service-card::after {
  background-image: radial-gradient(
    100px 100px at
    calc(var(--x, -9999) * 1px) calc(var(--y, -9999) * 1px),
    hsl(43 100% 84% / 0.75), transparent 100%
  );
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--color-shadow-lg);
}

/* Äußerer Weichglüh-Bloom (via JS injiziertes Div, wie inner [data-glow] im React-Original) */
.card-bloom {
  position: absolute;
  inset: 0;
  border-radius: var(--border-radius-lg);
  pointer-events: none;
  filter: blur(20px);
  will-change: filter;
  z-index: 0;
}

.card-bloom::before {
  content: '';
  position: absolute;
  inset: -8px;
  border: 8px solid transparent;
  border-radius: var(--border-radius-lg);
  background-attachment: fixed;
  background-size: calc(100% + 16px) calc(100% + 16px);
  background-repeat: no-repeat;
  background-position: 50% 50%;
  background-image: radial-gradient(
    140px 140px at
    calc(var(--x, -9999) * 1px) calc(var(--y, -9999) * 1px),
    hsl(43 85% 56% / 0.9), transparent 100%
  );
  -webkit-mask:
    linear-gradient(transparent, transparent),
    linear-gradient(white, white);
  -webkit-mask-clip: padding-box, border-box;
  -webkit-mask-composite: destination-in;
  mask:
    linear-gradient(transparent, transparent),
    linear-gradient(white, white);
  mask-clip: padding-box, border-box;
  mask-composite: intersect;
}

.service-icon {
  width: 64px;
  height: 64px;
  background: rgba(46, 79, 60, 0.08);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-brand-primary);
  flex-shrink: 0;
}

.service-card h3 {
  color: var(--color-text-primary);
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.service-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.service-list li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-brand-accent);
  flex-shrink: 0;
  margin-top: 0.45em;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-brand-primary);
  font-weight: 600;
  font-size: 0.9375rem;
  margin-top: var(--space-2);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.service-link:hover {
  color: var(--color-brand-accent-dark);
  gap: var(--space-3);
}

/* ── Über mich Section ────────────────────────────────────── */
.section-ueber {
  background: var(--color-ci-beige, #F1F0E9);
  padding-block: var(--space-20);
}

.ueber-header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.ueber-header h2 {
  color: var(--color-brand-primary);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.ueber-intro {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  margin-top: 0;
}

.ueber-intro-label {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-align: center;
  line-height: 1.4;
}


/* Desktop: 3-Spalten-Grid mit überlappender Foto-Positionierung */
.ueber-layout {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto auto;
  gap: var(--space-10) var(--space-12);
  align-items: start;
}

.ueber-photo {
  grid-column: 3;
  grid-row: 1 / 3;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: var(--space-4);
}

.ueber-photo img {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  box-shadow: 0 12px 48px rgba(46, 79, 60, 0.18);
}

.ueber-mission {
  grid-column: 1 / 3;
  grid-row: 1;
}

.ueber-vision {
  grid-column: 1 / 3;
  grid-row: 2;
}

.ueber-arbeitsweise {
  grid-column: 2 / 4;
  grid-row: 3;
}

/* Inneres Layout jedes Blocks: Pillar-Label + Text nebeneinander */
.ueber-block {
  display: flex;
  gap: var(--space-8);
  align-items: flex-start;
}

.ueber-mission,
.ueber-vision,
.ueber-arbeitsweise {
  flex-direction: row;
}

.ueber-pillar {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--color-brand-primary);
  line-height: 1.1;
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 8rem;
}

.ueber-pillar--hero {
  font-size: 1.375rem;
  text-align: center;
  white-space: normal;
  min-width: unset;
  flex-shrink: unset;
}

.ueber-block p {
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.75;
  margin: 0;
  padding-top: 0.35rem;
}

/* Mobile: Alles in einer Spalte */
@media (max-width: 767px) {
  .ueber-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: var(--space-10);
  }

  .ueber-photo {
    grid-column: 1;
    grid-row: 1;
  }

  .ueber-photo img {
    width: 220px;
    height: 220px;
  }

  .ueber-mission { grid-column: 1; grid-row: 2; }
  .ueber-vision  { grid-column: 1; grid-row: 3; }
  .ueber-arbeitsweise { grid-column: 1; grid-row: 4; }

  .ueber-block {
    flex-direction: column;
    gap: var(--space-3);
  }

  .ueber-vision { flex-direction: column; }

  .ueber-pillar { font-size: 1.75rem; order: -1; }
}

/* Tablet */
@media (min-width: 768px) and (max-width: 1023px) {
  .ueber-layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .ueber-photo {
    grid-column: 2;
    grid-row: 1;
  }

  .ueber-photo img { width: 240px; height: 240px; }

  .ueber-mission { grid-column: 1; grid-row: 1; flex-direction: column; gap: var(--space-3); }
  .ueber-vision  { grid-column: 1 / 3; grid-row: 2; }
  .ueber-arbeitsweise { grid-column: 1 / 3; grid-row: 3; }
}

/* ── Partner Section ─────────────────────────────────────── */
.section-partner {
  position: relative;
  overflow: hidden;
  background: #ffffff;
  padding-block: var(--space-20);
}

/* WebGL canvas – eigene GPU-Compositing-Ebene */
.partner-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.partner-content {
  position: relative;
  z-index: 1;
}

/* ── Orbital Timeline ─────────────────────────────────────── */
.orbital-wrapper {
  position: relative;
  width: min(360px, 90vw);
  height: min(360px, 90vw);
  margin: var(--space-16) auto 0;
}

/* Center orb */
.orbital-center-orb {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #b5952e, #D0AB3B, #f0d060);
  display: flex; align-items: center; justify-content: center;
  z-index: 20;
  animation: orbPulse 2.4s ease-in-out infinite;
}

.orbital-ping {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid rgba(208, 171, 59, 0.45);
  animation: orbPing 1.4s cubic-bezier(0, 0, 0.2, 1) infinite;
}
.orbital-ping-2 {
  inset: -8px;
  opacity: 0.5;
  animation-delay: 0.5s;
}

.orbital-center-dot {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
}

.orbital-ring {
  position: absolute;
  left: 50%; top: 50%;
  width: min(300px, 80vw);
  height: min(300px, 80vw);
  margin: calc(min(150px, 40vw) * -1);
  border-radius: 50%;
  border: 1px solid rgba(46, 79, 60, 0.18);
}

/* Orbital nodes */
.orbital-node {
  position: absolute;
  left: 50%; top: 50%;
  cursor: default;
  transition: opacity var(--transition-base);
}

/* Spinning logo badge */
.orbital-node-badge {
  position: relative;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Spinning CI-Gold gradient border */
  border: 2px solid transparent;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9)),
    conic-gradient(
      from var(--gradient-angle),
      #e8dbb0 0%,
      #D0AB3B 35%, #f0d060 38%, #D0AB3B 41%,
      #e8dbb0 50%,
      #e8dbb0 75%,
      #D0AB3B 78%, #f0d060 81%, #D0AB3B 84%,
      #e8dbb0 90%
    );
  background-clip: padding-box, border-box;
  background-origin: padding-box, border-box;
  animation: gradient-rotate 3s linear infinite;
  overflow: hidden;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 18px rgba(46, 79, 60, 0.10);
  transition: scale 0.25s ease, box-shadow 0.25s ease;
}

.orbital-node-badge img {
  width: 50px;
  height: 50px;
  object-fit: contain;
  border-radius: 50%;
  pointer-events: none;
  user-select: none;
  display: block;
}

.orbital-node.is-active .orbital-node-badge {
  scale: 1.25;
  box-shadow: 0 8px 30px rgba(208, 171, 59, 0.45);
  animation: gradient-rotate 1s linear infinite;
}

/* Inline popup */
.orbital-node-popup {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: #ffffff;
  border: 1px solid rgba(46, 79, 60, 0.14);
  border-radius: 14px;
  padding: 10px 14px 12px;
  box-shadow: 0 8px 28px rgba(46, 79, 60, 0.13);
  min-width: 170px;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 100;
  pointer-events: none;
}

.orbital-node.is-active .orbital-node-popup {
  display: flex;
  pointer-events: auto;
}

.orbital-node-popup-name {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-brand-primary);
  text-align: center;
  max-width: 160px;
  white-space: normal;
  line-height: 1.35;
}

.orbital-popup-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 14px;
  border-radius: 9999px;
  background: var(--color-brand-primary);
  color: var(--color-brand-accent);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease;
  white-space: nowrap;
}

.orbital-popup-link:hover {
  background: var(--color-brand-primary-hover);
}

/* Info panel – nicht mehr genutzt, ausgeblendet */
.orbital-info { display: none; }

.orbital-info-hint {
  color: rgba(46, 79, 60, 0.4);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
}

.orbital-info-category {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-brand-accent);
}

.orbital-info-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-brand-primary);
  font-family: var(--font-body);
}

.orbital-info-desc {
  font-size: 0.9375rem;
  color: rgba(0, 0, 0, 0.55);
  max-width: 44ch;
  line-height: 1.7;
}

.orbital-info-logo-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.orbital-info-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 12px;
  background: rgba(46, 79, 60, 0.05);
  padding: 10px;
  border: 1px solid rgba(208, 171, 59, 0.35);
}

.orbital-info-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-4);
  padding: 8px 20px;
  border-radius: 9999px;
  border: 2px solid transparent;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.97), rgba(255, 255, 255, 0.97)),
    conic-gradient(
      from var(--gradient-angle),
      #e8dbb0 0%,
      #D0AB3B 37%,
      #f0d060 40%,
      #D0AB3B 43%,
      #e8dbb0 50%,
      #e8dbb0 77%,
      #D0AB3B 80%,
      #f0d060 83%,
      #D0AB3B 86%,
      #e8dbb0 90%
    );
  background-clip: padding-box, border-box;
  background-origin: padding-box, border-box;
  color: var(--color-brand-accent);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  animation: gradient-rotate 3s linear infinite;
  transition: color 0.2s ease, filter 0.2s ease;
}

.orbital-info-link:hover {
  color: #f0d060;
  filter: brightness(1.15);
}

.orbital-info-link:focus-visible {
  outline: 2px solid var(--color-brand-accent);
  outline-offset: 3px;
}

/* Keyframes */
@keyframes orbPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(208, 171, 59, 0.45); }
  50%       { box-shadow: 0 0 24px 10px rgba(208, 171, 59, 0.15); }
}
@keyframes orbPing {
  75%, 100% { transform: scale(2); opacity: 0; }
}

/* ── Termine Section ──────────────────────────────────────── */
#termine .section-header { margin-bottom: var(--space-12); }
#termine h2, #termine .section-label { color: var(--color-text-on-dark); }
#termine .section-header p { color: var(--color-text-on-dark-muted); }

.termine-features {
  display: flex;
  justify-content: center;
  gap: var(--space-10);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.termine-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-on-dark-muted);
  font-size: 0.9375rem;
}

.termine-feature svg {
  color: var(--color-brand-accent);
  flex-shrink: 0;
}

.termine-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.termine-hint {
  font-size: 0.875rem;
  color: var(--color-text-on-dark-muted);
  margin: 0;
}

/* ── Contact Section ──────────────────────────────────────── */
.contact-grid {
  display: grid;
  gap: var(--space-12);
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-16);
  }
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Kontakt-Wizard: Schritt-Anzeige + Fortschrittsbalken */
.step-progress-wrap { margin-bottom: var(--space-2); }

.step-counter {
  margin: 0 0 var(--space-2);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.step-progress {
  height: 4px;
  border-radius: 4px;
  background: var(--color-border);
  overflow: hidden;
}

.step-progress-fill {
  height: 100%;
  background: var(--color-brand-accent);
  transition: width var(--transition-base);
}

/* Kontakt-Wizard: Schritte */
.contact-step {
  display: none;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-step.active { display: flex; }

.step-heading {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  color: var(--color-brand-primary);
}
.step-heading:focus-visible { outline: none; }

.contact-step-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.contact-step-nav .btn-primary:not(.btn-submit) { margin-left: auto; }
.contact-step-nav .btn-submit { margin-left: auto; }

/* .btn setzt display:inline-flex und überschreibt sonst das [hidden]-Attribut */
.contact-step-nav .btn[hidden] { display: none; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.form-group label span[aria-hidden] {
  color: var(--color-brand-accent-dark);
  margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 0.75rem 1rem;
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 48px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-brand-primary);
  box-shadow: 0 0 0 3px rgba(46, 79, 60, 0.12);
}

.form-group input.has-error,
.form-group select.has-error,
.form-group textarea.has-error {
  border-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-group textarea { resize: vertical; min-height: 110px; }

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.field-error {
  font-size: 0.8125rem;
  color: #dc2626;
  min-height: 1.1em;
}

/* Checkbox group */
.form-group-checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-3);
}

.form-group-checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  min-height: unset;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--color-brand-primary);
  cursor: pointer;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 540px) {
  .form-group-row { grid-template-columns: 1fr; }
}

.field-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

/* Mehrfachauswahl-Karten (Kontaktformular-Themen, analog Energierechner-Wizard) */
.card-grid {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

.card-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 0.5rem;
  min-height: 48px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background: var(--color-surface);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-brand-primary);
  cursor: pointer;
  text-align: center;
  line-height: 1.3;
  transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.card-btn:hover {
  border-color: var(--color-brand-primary);
  background: rgba(46, 79, 60, 0.08);
}

.card-btn.multi.selected {
  border-color: var(--color-brand-accent);
  background: rgba(208, 171, 59, 0.13);
  color: var(--color-brand-primary);
}

.card-btn:focus-visible {
  outline: 3px solid var(--color-brand-accent);
  outline-offset: 2px;
}

.form-group-checkbox label {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.form-group-checkbox label a {
  color: var(--color-brand-primary);
  text-decoration: underline;
  font-weight: 500;
}

.form-group-checkbox + .field-error {
  margin-left: 32px;
  margin-top: calc(-1 * var(--space-4));
}

.form-success {
  display: none;
  padding: var(--space-4);
  background: #d1fae5;
  border: 1px solid #6ee7b7;
  border-radius: var(--border-radius-sm);
  color: #065f46;
  font-weight: 500;
  font-size: 0.9375rem;
}

.form-success.is-visible { display: block; }

/* Contact Info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .contact-info {
    position: sticky;
    top: calc(var(--nav-height) + var(--space-6));
    align-self: start;
  }
}

.contact-info h3 {
  font-family: var(--font-body);
  color: var(--color-brand-primary);
  margin-bottom: var(--space-2);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  background: rgba(46, 79, 60, 0.08);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-brand-primary);
}

.contact-item-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-top: 2px;
}

.contact-item-text span:first-child {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact-item-text a,
.contact-item-text span:last-child {
  font-size: 1rem;
  color: var(--color-text-primary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.contact-item-text a:hover { color: var(--color-brand-accent-dark); }

.contact-hours {
  margin-top: var(--space-2);
  padding: var(--space-5);
  background: var(--color-surface-alt);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
}

.contact-hours h4 {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.contact-hours p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  max-width: none;
}

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  background: var(--color-surface-dark);
  border-top: 1px solid var(--color-border-dark);
  padding-block: var(--space-12);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  text-align: center;
  margin-bottom: var(--space-8);
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); text-align: left; }
}

@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 1.4fr repeat(3, 1fr); }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

@media (min-width: 640px) { .footer-brand { align-items: flex-start; } }

.footer-brand .nav-logo { text-decoration: none; }
.footer-brand .nav-logo img { height: 36px; width: auto; }
.footer-brand .nav-logo-text { font-size: 1.125rem; }

.footer-brand p {
  font-size: 0.875rem;
  color: var(--color-text-on-dark-muted);
  max-width: 28ch;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 1px solid rgba(208, 171, 59, 0.3);
  opacity: 0.85;
  transition: opacity var(--transition-base), border-color var(--transition-base), transform var(--transition-fast);
}

.footer-social a:hover,
.footer-social a:focus-visible {
  opacity: 1;
  border-color: var(--color-brand-accent);
  transform: translateY(-2px);
}

.footer-social a:focus-visible {
  outline: 2px solid var(--color-brand-accent);
  outline-offset: 2px;
}

.footer-social img {
  width: 1.05rem;
  height: 1.05rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-col h3 {
  font-size: 0.78125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-brand-accent);
  margin: 0 0 var(--space-1);
}

.footer-col a, .footer-col span {
  font-size: 0.875rem;
  color: var(--color-text-on-dark-muted);
  text-decoration: none;
}

.footer-col a:hover { color: #ffffff; }
.footer-col a:focus-visible { outline: 2px solid var(--color-brand-accent); outline-offset: 2px; }

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-dark);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  justify-content: center;
}

.footer-links a {
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-on-dark-muted);
  font-size: 0.875rem;
  border-radius: var(--border-radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}
.footer-links a:hover { color: #ffffff; background: rgba(255,255,255,0.08); }
.footer-links a:focus-visible { outline: 2px solid var(--color-brand-accent); outline-offset: 2px; }

.footer-copyright {
  font-size: 0.8125rem;
  color: var(--color-text-on-dark-muted);
}

.footer-operator {
  font-size: 0.72rem;
  color: rgba(255,255,255,.22);
}

/* ── Solarisator / Rechner Section ───────────────────────── */
.section-rechner {
  background: var(--color-surface-alt);
  padding-block: var(--space-20);
}

.solarisator-frame-wrapper {
  margin-top: var(--space-10);
  margin-inline: auto;
  max-width: 1024px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 48px rgba(46, 79, 60, 0.16);
  border: 1px solid var(--color-border);
  background: #ffffff;
}

.solarisator-frame-wrapper iframe {
  display: block;
  width: 100%;
  height: 660px;
  border: none;
}

@media (max-width: 768px) {
  .solarisator-frame-wrapper iframe { height: 520px; }
}

@media (max-width: 480px) {
  .solarisator-frame-wrapper iframe { height: 440px; }
}

.solarisator-source {
  margin-top: var(--space-3);
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.solarisator-source a {
  color: var(--color-brand-primary);
  text-decoration: underline;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.solarisator-source a:hover { color: var(--color-brand-accent-dark); }

.embed-consent-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  padding: var(--space-8) var(--space-6);
  text-align: center;
  gap: var(--space-5);
  background: var(--color-surface-alt);
}

.embed-consent-text {
  max-width: 56ch;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.embed-consent-text a { color: var(--color-brand-primary); text-decoration: underline; }

/* ── Spotpreis-Monitor ───────────────────────────────────── */
.spotpreis-chart-wrap {
  position: relative;
  height: 320px;
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

@media (max-width: 600px) {
  .spotpreis-chart-wrap { height: 220px; }
}

.spotpreis-fallback {
  display: none;
  padding: var(--space-10) var(--space-6);
  text-align: center;
  background: var(--color-surface-alt);
  border-radius: var(--border-radius);
  color: var(--color-text-secondary);
  margin-top: var(--space-8);
}

.spotpreis-disclaimer {
  font-size: 0.775rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
  margin-top: var(--space-4);
}

.spotpreis-disclaimer a {
  color: var(--color-brand-primary);
  text-decoration: underline;
}

/* ── Scroll Reveal Animations ─────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.55s ease-out,
    transform 0.55s ease-out;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered reveal for grid items */
.services-grid .reveal:nth-child(2) { transition-delay: 0.12s; }

/* Hero animations */
.animate-fade-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.65s ease-out forwards;
}

.animate-fade-up[style*="--delay: 1"] { animation-delay: 0.15s; }
.animate-fade-up[style*="--delay: 2"] { animation-delay: 0.35s; }
.animate-fade-up[style*="--delay: 3"] { animation-delay: 0.55s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ── Reduced Motion ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .animate-fade-up {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .scroll-indicator { animation: none; }

  /* Shader canvas: JS prüft prefers-reduced-motion und startet den Loop nicht */

  .orbital-info-link { animation: none; }
  .orbital-node-badge { animation: none; }

  .btn, .service-card, .nav-links a,
  .footer-links a, .service-link { transition: none; }
}

/* ── Rechner-Tab-Leiste ── */
.rechner-tabs-bar {
  background: var(--color-surface-alt, #F1F0E9);
  border-bottom: 1px solid var(--color-border, #e2e4e0);
  padding: .75rem 0;
}
.rechner-tabs-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.rechner-tabs-inner::-webkit-scrollbar { display: none; }
.rechner-tab {
  flex: 1 1 0;
  min-width: 0;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .1rem;
  padding: .55rem 1.25rem;
  text-decoration: none;
  color: var(--color-text-muted, #6b7280);
  background: #fff;
  border: 2px solid var(--color-border, #d1d5db);
  border-radius: .5rem;
  transition: color .18s, border-color .18s, background .18s;
  font-family: var(--font-body, 'Outfit', sans-serif);
}
.rechner-tab-name { font-size: .88rem; font-weight: 700; }
.rechner-tab-sub  { font-size: .72rem; font-weight: 400; line-height: 1.3; color: inherit; opacity: .75; }
.rechner-tab:hover {
  color: var(--color-brand-primary, #2E4F3C);
  border-color: var(--color-brand-primary, #2E4F3C);
}
.rechner-tab:hover .rechner-tab-sub { opacity: 1; }
.rechner-tab.active {
  color: #fff;
  background: var(--color-brand-primary, #2E4F3C);
  border-color: var(--color-brand-primary, #2E4F3C);
  pointer-events: none;
}
.rechner-tab.active .rechner-tab-sub { color: #fff; opacity: .75; }

/* Globale CTA-Card (alle Rechner) */
.ec-cta-card { background: #ffffff; border-radius: .5rem; box-shadow: 0 2px 10px rgba(0,0,0,.09); padding: 2rem; margin-bottom: 1.5rem; display: flex; flex-direction: column; align-items: center; text-align: center; }
.ec-cta-card h2 { color: var(--color-brand-primary, #2E4F3C); font-size: 1.1rem; font-weight: 700; margin-bottom: .5rem; }
.ec-cta-card p  { color: var(--color-text-muted, #6b7280); margin-bottom: 1.5rem; font-size: .9rem; max-width: 52ch; }
.btn-calc-cta { display: block; width: fit-content; margin: 0 auto; background: var(--color-brand-accent, #D0AB3B); color: var(--color-brand-primary, #2E4F3C); border: none; padding: .9rem 2.5rem; font-size: 1rem; font-weight: 800; border-radius: .5rem; cursor: pointer; text-decoration: none; transition: all .2s; letter-spacing: .3px; white-space: nowrap; font-family: var(--font-body, 'Outfit', sans-serif); }
.btn-calc-cta:hover { background: var(--color-brand-primary, #2E4F3C); color: #ffffff; }