/* ==========================================================================
   Designsystem — EBW Energieberatung Werratal (Michaela Schäfer)
   Farbwelt: gebrochenes Weiß, Anthrazit, sowie eine sechsteilige Blau-Grau-
   Palette (vom Kunden vorgegeben) von hellem Taubenblau bis dunklem Slate.
   Schrift: Plus Jakarta Sans (selbst gehostet, keine externen Anfragen).
   ========================================================================== */

/* -- Fonts (self-hosted, DSGVO-unbedenklich) ------------------------------ */
@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("../fonts/jakarta-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("../fonts/jakarta-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("../fonts/jakarta-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("../fonts/jakarta-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* -- Design Tokens --------------------------------------------------------- */
:root {
  /* Farben */
  --color-bg: #F3F1EC;
  --color-bg-alt: #EAE6DC;
  --color-surface: #FDFCFA;
  --color-text: #21262A;
  --color-text-muted: #565D62;
  --color-border: #E7EAEE; /* helles Blaugrau, abgeleitet von der Akzentfarbe */
  --color-border-strong: #5E6F89; /* WCAG 1.4.11: ≥3:1 gegen Hintergrund/Surface für UI-Ränder (Inputs, Buttons) */

  --color-primary: #396799;
  --color-primary-dark: #4F5B73;
  --color-primary-tint: #E6ECF0; /* aufgehellte Variante von #ADBFCD für ausreichenden Textkontrast */
  --color-accent: #919EB1;
  --color-accent-dark: #5E6F89;
  --color-accent-tint: #E6ECF0;

  --color-focus: #4E6998;

  /* Typografie */
  --font-base: "Plus Jakarta Sans", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --fs-hero: clamp(2.3rem, 1.55rem + 3.2vw, 4.1rem);
  --fs-h2: clamp(1.7rem, 1.35rem + 1.5vw, 2.6rem);
  --fs-h3: clamp(1.25rem, 1.1rem + 0.7vw, 1.6rem);
  --fs-lead: clamp(1.05rem, 0.98rem + 0.3vw, 1.25rem);
  --fs-body: clamp(1rem, 0.96rem + 0.15vw, 1.09rem);
  --fs-small: 0.92rem;
  --fs-stat: clamp(2rem, 1.6rem + 1.6vw, 2.9rem);

  --lh-tight: 1.15;
  --lh-heading: 1.28;
  --lh-body: 1.65;

  /* Abstände */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5.5rem;
  --space-2xl: 8rem;

  --container-w: 1180px;
  --radius-sm: 4px;
  --radius-md: 8px;

  --shadow-card: 0 1px 2px rgba(33, 38, 42, 0.06), 0 8px 24px -12px rgba(33, 38, 42, 0.16);
  --transition-standard: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* -- Reset ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
}
body {
  margin: 0;
  font-family: var(--font-base);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  width: 100%;
  position: relative;
}
img { max-width: 100%; display: block; height: auto; }
h1, h2, h3, h4, p, figure { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* -- Barrierefreiheit: Fokus & Skip-Link ------------------------------------ */
:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-standard);
  font-weight: 600;
}
.skip-link:focus { top: 1rem; }

.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;
}

/* -- Layout Utilities -------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

section { position: relative; }

.section-pad {
  padding-block: var(--space-xl);
}
@media (max-width: 640px) {
  .section-pad { padding-block: var(--space-lg); }
}

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

.section-head {
  max-width: 46rem;
  margin-bottom: var(--space-lg);
}
.section-head--wide { max-width: 58rem; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-accent-dark);
  font-weight: 600;
  font-size: var(--fs-small);
  margin-bottom: var(--space-sm);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--color-accent);
  display: inline-block;
}

h1 {
  font-size: var(--fs-hero);
  line-height: var(--lh-tight);
  font-weight: 700;
  letter-spacing: -0.01em;
  position: relative;
  padding-bottom: 1rem;
}
h1::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 64px;
  height: 4px;
  border-radius: 2px;
  background: var(--color-primary);
}
h2 {
  font-size: var(--fs-h2);
  line-height: var(--lh-heading);
  font-weight: 700;
  letter-spacing: -0.005em;
  position: relative;
  padding-bottom: 0.85rem;
}
h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 52px;
  height: 4px;
  border-radius: 2px;
  background: var(--color-primary);
}
.network-panel h2::after {
  background: var(--color-accent-tint);
}
h3 { font-size: var(--fs-h3); line-height: var(--lh-heading); font-weight: 600; }

.lead { font-size: var(--fs-lead); color: var(--color-text-muted); line-height: 1.6; max-width: 42rem; }

.prose p + p { margin-top: 1em; }

/* -- Buttons ------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid transparent;
  transition: background var(--transition-standard), color var(--transition-standard), border-color var(--transition-standard), transform var(--transition-standard);
  min-height: 48px;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover { border-color: var(--color-primary); background: var(--color-primary-tint); }

.btn-block { width: 100%; }

/* -- Header ------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(243, 241, 236, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: padding var(--transition-standard);
}
.site-header .container {
  /* Der Header braucht mehr Breite als die Lesespalte im Content, damit
     Logo, Markenname, vollständige Navigation und CTA ohne Kürzung Platz
     finden. */
  max-width: 1400px;
}
.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.15rem;
  transition: padding var(--transition-standard);
}
.site-header.is-compact .site-header__bar { padding-block: 0.65rem; }

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  line-height: 1.2;
  color: var(--color-text);
  transition: transform var(--transition-standard);
  min-width: 0;
}
.brand:hover { transform: translateY(-1px); }
.brand__logo {
  height: 36px;
  width: auto;
  flex-shrink: 0;
  transition: height var(--transition-standard);
}
.site-header.is-compact .brand__logo { height: 30px; }
.brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.brand__text strong {
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: -0.005em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.brand__text span {
  font-weight: 500;
  font-size: 0.76rem;
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
}

@media (max-width: 420px) {
  .brand__logo { height: 30px; }
}
.nav-desktop {
  display: none;
}
.nav-desktop ul {
  display: flex;
  align-items: center;
  gap: clamp(0.7rem, 1.3vw, 1.4rem);
  white-space: nowrap;
}
.nav-desktop a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-standard), color var(--transition-standard);
}
.nav-desktop a:hover { border-color: var(--color-accent); }

.header-actions { display: flex; align-items: center; gap: 1rem; flex-shrink: 0; }
.header-actions .btn-primary {
  padding: 0.75rem 1.35rem;
  font-size: 0.92rem;
  min-height: 42px;
}
@media (max-width: 640px) {
  /* Auf schmalen Screens tritt der Button im aufgeklappten Menü an die Stelle
     des Header-Buttons, damit Logo und Markenname genug Raum behalten. */
  .header-actions .btn-primary { display: none; }
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: transparent;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
}
.nav-toggle svg { width: 22px; height: 22px; }

@media (min-width: 1240px) {
  /* Höherer Schwellwert als bei reinen Inhalts-Grids: Logo, vollständiger
     Markenname, sechs Navigationspunkte und CTA brauchen mehr Breite, als
     ein Tablet/kleiner Laptop im Querformat bietet. Unterhalb dieser Breite
     greift die saubere mobile Navigation statt einer gequetschten Desktop-Nav. */
  .nav-desktop { display: block; }
  .nav-toggle { display: none; }
}

/* Mobile navigation */
.nav-mobile {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 600;
  display: flex;
  flex-direction: column;
  padding: 1.25rem clamp(1.25rem, 5vw, 2.5rem);
  transform: translateX(100%);
  transition: transform var(--transition-standard);
}
.nav-mobile.is-open { transform: translateX(0); }
.nav-mobile__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}
.nav-mobile ul { display: flex; flex-direction: column; gap: 0.25rem; }
.nav-mobile a {
  display: block;
  padding: 1rem 0.25rem;
  font-size: 1.4rem;
  font-weight: 600;
  border-bottom: 1px solid var(--color-border);
}
.nav-mobile .btn { margin-top: var(--space-lg); }
.nav-close {
  width: 48px; height: 48px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: transparent;
}

body.nav-locked { overflow: hidden; }

/* -- Hero ----------------------------------------------------------------- */
.hero {
  padding-block: clamp(2.5rem, 6vw, 5rem) var(--space-xl);
  position: relative;
  overflow: hidden;
}
.hero__motif {
  position: absolute;
  right: -60px;
  top: -40px;
  width: 420px;
  height: 630px;
  color: var(--color-primary);
  opacity: 0.06;
  pointer-events: none;
}
.hero__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  grid-template-columns: 1fr;
  position: relative;
}
@media (min-width: 960px) {
  .hero__grid { grid-template-columns: 1.15fr 0.85fr; }
}

.hero__claim { font-size: var(--fs-hero); }
.hero__lead { margin-top: var(--space-md); }
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: var(--space-lg);
}

.trust-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}
.trust-points li {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.trust-points li::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

.hero__media {
  position: relative;
  border-radius: var(--radius-md);
  overflow: visible;
  isolation: isolate;
}
.hero__media::before {
  /* Versetzter Rahmen hinter dem Foto — gibt der Komposition Tiefe */
  content: "";
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius-md);
  z-index: -1;
}
.hero__media picture,
.hero__media > img {
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 24px 48px -18px rgba(18, 40, 64, 0.38), 0 4px 12px -4px rgba(18, 40, 64, 0.2);
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-md);
  transition: transform 500ms cubic-bezier(0.4,0,0.2,1);
}
.hero__media:hover img { transform: scale(1.015); }
.hero__media picture {
  position: relative;
}
.hero__media picture::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-md);
  pointer-events: none;
}
.hero__media-caption {
  position: absolute;
  left: 1.1rem;
  bottom: 1.1rem;
  background: rgba(33,38,42,0.72);
  color: #fff;
  font-size: 0.8rem;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
}

/* -- Reveal on scroll --------------------------------------------------------
   Wichtig: .reveal ist standardmäßig voll sichtbar. Erst JavaScript fügt vor
   dem Beobachten die Klasse .pre-reveal hinzu. Ohne JavaScript, bei einem
   Skript-Fehler oder wenn eine Sektion nie in den Viewport gescrollt wird
   (z. B. beim automatisierten Rendern der ganzen Seite), bleibt der Inhalt
   dadurch immer lesbar statt dauerhaft unsichtbar. */
.reveal.pre-reveal {
  opacity: 0;
  transform: translateY(28px) scale(0.985);
  transition: opacity 750ms cubic-bezier(0.16, 1, 0.3, 1), transform 750ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.pre-reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal.pre-reveal { opacity: 1; transform: none; }
}

/* Gestaffeltes Einblenden für Gruppen (Karten, Listen, Prozessschritte):
   jedes Kind folgt mit einem kleinen Versatz statt gleichzeitig zu erscheinen. */
.stagger-children.pre-reveal > * {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 620ms cubic-bezier(0.16, 1, 0.3, 1), transform 620ms cubic-bezier(0.16, 1, 0.3, 1);
}
.stagger-children.pre-reveal.is-visible > * { opacity: 1; transform: none; }
.stagger-children.pre-reveal > *:nth-child(1) { transition-delay: 0ms; }
.stagger-children.pre-reveal > *:nth-child(2) { transition-delay: 70ms; }
.stagger-children.pre-reveal > *:nth-child(3) { transition-delay: 140ms; }
.stagger-children.pre-reveal > *:nth-child(4) { transition-delay: 210ms; }
.stagger-children.pre-reveal > *:nth-child(5) { transition-delay: 280ms; }
.stagger-children.pre-reveal > *:nth-child(6) { transition-delay: 350ms; }
.stagger-children.pre-reveal > *:nth-child(n+7) { transition-delay: 400ms; }
@media (prefers-reduced-motion: reduce) {
  .stagger-children.pre-reveal > * { opacity: 1; transform: none; }
}

/* Dezente Scroll-Fortschrittsanzeige unter dem Header */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  z-index: 600;
  transition: width 80ms linear;
}
@media (prefers-reduced-motion: reduce) {
  .scroll-progress { display: none; }
}

/* -- Über uns / Split-Layout ------------------------------------------------ */
.split {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 900px) {
  .split { grid-template-columns: 1fr 1fr; }
  .split--reverse .split__media { order: 2; }
}
.split__media {
  position: relative;
  isolation: isolate;
}
.split__media::before {
  content: "";
  position: absolute;
  inset: -16px -16px 16px 16px;
  border: 1.5px solid var(--color-primary);
  opacity: 0.45;
  border-radius: var(--radius-md);
  z-index: -1;
}
.split--reverse .split__media::before { inset: -16px 16px 16px -16px; }
.split__media img {
  border-radius: var(--radius-md);
  width: 100%;
  box-shadow: 0 20px 40px -16px rgba(18, 40, 64, 0.3), 0 3px 10px -3px rgba(18, 40, 64, 0.15);
  transition: transform 500ms cubic-bezier(0.4,0,0.2,1);
}
.split__media:hover img { transform: translateY(-3px); }

.network-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem 1.5rem;
  margin-top: var(--space-md);
}
@media (min-width: 640px) {
  .network-list { grid-template-columns: repeat(3, 1fr); }
}
.network-list li {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  padding-block: 0.4rem;
  border-bottom: 1px solid var(--color-border);
}

/* -- Leistungen: Zigzag-Module --------------------------------------------- */
.service-block {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  grid-template-columns: 1fr;
  align-items: center;
  padding-block: var(--space-lg);
}
.service-block:not(:last-child) { border-bottom: 1px solid var(--color-border); }

@media (min-width: 900px) {
  .service-block { grid-template-columns: 0.85fr 1.15fr; }
  .service-block--media-right .service-block__media { order: 2; }
}

.service-block__media {
  position: relative;
  isolation: isolate;
}
.service-block__media::before {
  content: "";
  position: absolute;
  inset: 14px -14px -14px 14px;
  border: 1.5px solid var(--color-accent);
  opacity: 0.55;
  border-radius: var(--radius-md);
  z-index: -1;
  transition: inset 400ms cubic-bezier(0.4,0,0.2,1);
}
.service-block--media-right .service-block__media::before { inset: 14px 14px -14px -14px; }
.service-block__media img {
  border-radius: var(--radius-md);
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  box-shadow: 0 18px 36px -16px rgba(18, 40, 64, 0.32), 0 3px 10px -4px rgba(18, 40, 64, 0.16);
  transition: transform 450ms cubic-bezier(0.4,0,0.2,1);
}
.service-block__media:hover img { transform: translateY(-4px) scale(1.008); }
.service-block__media:hover::before { inset: 10px -18px -18px 10px; }
.service-block--media-right .service-block__media:hover::before { inset: 10px 18px -18px -10px; }

.service-block__tag {
  display: inline-block;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-tint);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  margin-bottom: var(--space-sm);
}

.service-block__list {
  margin-top: var(--space-md);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem 1.5rem;
}
@media (min-width: 600px) {
  .service-block__list { grid-template-columns: 1fr 1fr; }
}
.service-block__list li {
  font-size: 0.98rem;
  padding-left: 1.1rem;
  position: relative;
  color: var(--color-text);
}
.service-block__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 6px; height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
}
.service-block__note {
  margin-top: var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.98rem;
}

/* -- Arbeitsweise: Prozess-Schritte ----------------------------------------- */
.process {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  counter-reset: step;
}
@media (min-width: 760px) {
  .process { grid-template-columns: repeat(5, 1fr); }
}
.process__item {
  position: relative;
  padding-top: var(--space-md);
  border-top: 2px solid var(--color-primary);
}
.process__item::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  margin-bottom: 0.5rem;
}
.process__item h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.process__item p { color: var(--color-text-muted); font-size: 0.95rem; }

/* -- Cards: Zielgruppen / Qualität ------------------------------------------ */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: var(--space-lg);
}
@media (min-width: 640px) { .card-grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .card-grid--3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 640px) { .card-grid--2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 640px) { .card-grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .card-grid--4 { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 640px) { .card-grid--6 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .card-grid--6 { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  transition: border-color var(--transition-standard), box-shadow var(--transition-standard), transform var(--transition-standard);
}
.card:hover { border-color: var(--color-border-strong); border-top-color: var(--color-primary); box-shadow: var(--shadow-card); transform: translateY(-3px); }
@media (prefers-reduced-motion: reduce) {
  .card:hover, .hero__media:hover img, .split__media:hover img, .service-block__media:hover img {
    transform: none;
  }
}
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--color-text-muted); font-size: 0.96rem; }

.card--stat .stat-value {
  font-size: var(--fs-stat);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.6rem;
}

/* -- Netzwerk-Sektion -------------------------------------------------------- */
.network-panel {
  background: var(--color-primary);
  color: #F3F1EC;
  border-radius: var(--radius-md);
  padding: clamp(2rem, 5vw, 3.5rem);
  position: relative;
  overflow: hidden;
}
.network-panel__motif {
  position: absolute;
  left: -40px;
  bottom: -60px;
  width: 340px;
  height: 500px;
  color: #fff;
  opacity: 0.08;
}
.network-panel h2 { color: #fff; }
.network-panel .lead { color: rgba(243,241,236,0.82); }
.network-panel .network-list li {
  color: rgba(243,241,236,0.85);
  border-bottom-color: rgba(243,241,236,0.2);
}
.network-panel__claim {
  margin-top: var(--space-lg);
  font-size: 1.15rem;
  font-weight: 600;
  border-left: 3px solid var(--color-accent);
  padding-left: 1rem;
}

/* -- CTA vor Kontakt ---------------------------------------------------------- */
.cta-banner {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: clamp(2rem, 6vw, 4rem);
  text-align: left;
}
.cta-banner__actions { margin-top: var(--space-md); }

/* -- Kontaktformular ----------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 0.9fr 1.1fr; }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact-info__item { display: flex; gap: 0.9rem; align-items: flex-start; }
.contact-info__icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-tint);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-info__icon svg { width: 20px; height: 20px; }

.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.form-row { margin-bottom: 1.3rem; }
.form-row--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.3rem;
}
@media (min-width: 560px) {
  .form-row--split { grid-template-columns: 1fr 1fr; }
}
.form-row label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 0.4rem;
}
.form-row .required-mark { color: var(--color-accent-dark); }
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="tel"],
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  min-height: 48px;
}
.form-row textarea { min-height: 140px; resize: vertical; }
.form-row .hint { font-size: 0.82rem; color: var(--color-text-muted); margin-top: 0.3rem; }
.form-row .field-error {
  font-size: 0.85rem;
  color: #A22C24;
  margin-top: 0.35rem;
}
.form-row.has-error input,
.form-row.has-error select,
.form-row.has-error textarea {
  border-color: #A22C24;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin-bottom: 1.3rem;
}
.checkbox-row input { width: 20px; height: 20px; flex-shrink: 0; margin-top: 0.15rem; }
.checkbox-row label { font-size: 0.92rem; color: var(--color-text-muted); font-weight: 400; }
.checkbox-row a { color: var(--color-primary); text-decoration: underline; }

/* Honeypot: für Menschen unsichtbar, für Screenreader nicht ansprechbar, für Bots weiterhin ausfüllbar */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  overflow: hidden;
}

.form-status {
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.3rem;
  font-size: 0.95rem;
}
.form-status--success { background: var(--color-primary-dark); color: #fff; border: 1px solid var(--color-primary-dark); }
.form-status--error { background: #FBECEA; color: #7A2019; border: 1px solid #C24B41; }

/* -- Footer ----------------------------------------------------------------- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(243,241,236,0.82);
  padding-block: var(--space-xl) var(--space-lg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
@media (min-width: 760px) {
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
}
.site-footer h3 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }
.site-footer .brand { color: #fff; }
.site-footer .brand__text span { color: rgba(243,241,236,0.65); }
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a { color: rgba(243,241,236,0.8); }
.footer-links a:hover { color: #fff; text-decoration: underline; }
.footer-bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(243,241,236,0.15);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(243,241,236,0.6);
}

/* -- Unterseiten (Impressum, Datenschutz, Barrierefreiheit) ------------------ */
.legal-page { padding-block: var(--space-xl); }
.legal-page h1 { font-size: clamp(1.8rem, 1.5rem + 1.5vw, 2.6rem); margin-bottom: var(--space-lg); }
.legal-page h2 { font-size: 1.3rem; margin-top: var(--space-lg); margin-bottom: 0.8rem; }
.legal-page p, .legal-page li { color: var(--color-text); }
.legal-page ul { margin: 1rem 0; padding-left: 1.2rem; list-style: disc; }
.legal-page .placeholder-note {
  background: var(--color-accent-tint);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  font-size: 0.92rem;
  margin-bottom: var(--space-lg);
}
.legal-page a { color: var(--color-primary); text-decoration: underline; }
.back-link { display: inline-block; margin-bottom: var(--space-md); font-weight: 600; }
.back-link::before { content: "← "; }

/* -- WhatsApp Floating Action Button ---------------------------------------- */
.whatsapp-fab {
  position: fixed;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: 400;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px -6px rgba(18, 40, 64, 0.35), 0 2px 8px rgba(18, 40, 64, 0.2);
  transition: transform 260ms cubic-bezier(0.4,0,0.2,1), box-shadow 260ms cubic-bezier(0.4,0,0.2,1);
  animation: whatsapp-fab-in 600ms cubic-bezier(0.34,1.4,0.64,1) 1.1s both;
}
.whatsapp-fab svg { width: 28px; height: 28px; }
.whatsapp-fab:hover, .whatsapp-fab:focus-visible {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 16px 32px -8px rgba(18, 40, 64, 0.4), 0 4px 10px rgba(18, 40, 64, 0.24);
}
.whatsapp-fab:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }

.whatsapp-fab__tooltip {
  position: absolute;
  right: calc(100% + 0.75rem);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background: var(--color-primary-dark);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
}
.whatsapp-fab:hover .whatsapp-fab__tooltip,
.whatsapp-fab:focus-visible .whatsapp-fab__tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@keyframes whatsapp-fab-in {
  from { opacity: 0; transform: scale(0.5) translateY(12px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-fab { animation: none; }
  .whatsapp-fab:hover, .whatsapp-fab:focus-visible { transform: none; }
}

@media (max-width: 560px) {
  .whatsapp-fab { width: 52px; height: 52px; }
  .whatsapp-fab svg { width: 25px; height: 25px; }
  .whatsapp-fab__tooltip { display: none; }
}
.text-center { text-align: center; }
.mt-lg { margin-top: var(--space-lg); }

/* -- Tool-Banner (externes kostenloses Rechner-Tool) ------------------------- */
.tool-banner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem 1.5rem;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 1.75rem clamp(1.25rem, 4vw, 2.25rem);
  margin-block: var(--space-lg);
  box-shadow: var(--shadow-card);
}
.tool-banner__icon {
  color: var(--color-primary);
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  grid-row: 1 / 3;
}
.tool-banner__icon svg { width: 100%; height: 100%; }
.tool-banner__text h3 { margin: 0.4rem 0 0.5rem; }
.tool-banner__text p { color: var(--color-text-muted); font-size: 0.95rem; max-width: 56ch; }
.tool-banner__btn {
  grid-column: 2;
  justify-self: start;
}
@media (max-width: 640px) {
  .tool-banner {
    grid-template-columns: 1fr;
    text-align: left;
  }
  .tool-banner__icon { grid-row: auto; margin-bottom: 0.25rem; }
  .tool-banner__btn { grid-column: 1; }
}