/* ============================================================
   HLK Plus – Design System
   Farben, Typografie, Layout-Grundlagen, Komponenten
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* --- CSS Custom Properties (CI-Farbsystem) --- */
:root {
  /* Primärfarben */
  --color-black:        #111111;
  --color-green:        #5A9B3D;
  --color-green-dark:   #4F8F3A;
  --color-green-light:  #e9f3e4;

  /* Sekundärfarben / Neutrale Töne */
  --color-darkgray:     #2B2B2B;
  --color-midgray:      #6F6F6F;
  --color-lightgray:    #EAEAEA;
  --color-offwhite:     #F7F7F4;
  --color-white:        #FFFFFF;

  /* Funktionsfarben */
  --color-success:      #4F8F3A;
  --color-neutral:      #7A7A7A;
  --color-warning:      #B8842F;
  --color-error:        #A94442;

  /* Typografie */
  --font-family:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs:       0.75rem;
  --font-size-sm:       0.875rem;
  --font-size-base:     1rem;
  --font-size-md:       1.125rem;
  --font-size-lg:       1.25rem;
  --font-size-xl:       1.5rem;
  --font-size-2xl:      1.875rem;
  --font-size-3xl:      2.25rem;
  --font-size-4xl:      2.875rem;
  --font-size-5xl:      3.75rem;

  /* Abstände */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-5:   1.25rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;
  --space-32:  8rem;

  /* Radien */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-2xl:  24px;

  /* Schatten */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.05);
  --shadow-lg:  0 10px 36px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-xl:  0 20px 60px rgba(0,0,0,0.12), 0 8px 24px rgba(0,0,0,0.08);

  /* Übergänge */
  --transition-fast:    0.15s ease;
  --transition-normal:  0.25s ease;
  --transition-slow:    0.4s ease;

  /* Layout */
  --container-max:   1200px;
  --container-wide:  1400px;
  --header-height:   72px;
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-darkgray);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

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

input, textarea, select {
  font-family: inherit;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--wide {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section-padding {
  padding-block: var(--space-24);
}

.section-padding--lg {
  padding-block: var(--space-32);
}

.text-center { text-align: center; }
.text-green { color: var(--color-green); }

/* Fade-In Animation */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }

/* ============================================================
   TYPOGRAFIE
   ============================================================ */
.headline-display {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-black);
  letter-spacing: -0.03em;
}

.headline-1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-black);
  letter-spacing: -0.02em;
}

.headline-2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-black);
  letter-spacing: -0.02em;
}

.headline-3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-black);
}

.headline-4 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-black);
}

.eyebrow {
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-green);
}

.lead-text {
  font-size: var(--font-size-lg);
  line-height: 1.75;
  color: var(--color-midgray);
  font-weight: 400;
}

.section-header {
  margin-bottom: var(--space-16);
}

.section-header .eyebrow {
  margin-bottom: var(--space-3);
}

.section-header .headline-2 {
  margin-bottom: var(--space-4);
}

.section-header .lead-text {
  max-width: 600px;
}

.section-header.text-center .lead-text {
  margin-inline: auto;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1;
  transition: all var(--transition-normal);
  white-space: nowrap;
  cursor: pointer;
  text-align: center;
  letter-spacing: -0.01em;
}

.btn-primary {
  background-color: var(--color-green);
  color: var(--color-white);
  border: 2px solid var(--color-green);
}
.btn-primary:hover {
  background-color: var(--color-green-dark);
  border-color: var(--color-green-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(90,155,61,0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-black);
  border: 2px solid var(--color-black);
}
.btn-secondary:hover {
  background-color: var(--color-black);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-white);
}

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--font-size-md);
  border-radius: var(--radius-lg);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-lightgray);
  transition: box-shadow var(--transition-normal);
}

.nav.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

/* Real PNG logo in the nav – natural colors, crisp rendering */
.nav-logo-img {
  height: 42px;
  width: auto;
  display: block;
  object-fit: contain;
}

/* Footer PNG logo – white background badge so it shows on dark footer */
.footer-logo-img {
  height: 56px;
  width: auto;
  display: block;
  margin-bottom: var(--space-5);
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  object-fit: contain;
}

/* Legacy – hidden since we now use <img> */
.nav-logo-mark,
.nav-logo-text {
  display: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-darkgray);
  text-decoration: none;
  transition: color var(--transition-fast);
  letter-spacing: 0.01em;
}

.nav-link:hover {
  color: var(--color-green);
}

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

.nav-phone {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-black);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-phone svg {
  color: var(--color-green);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-black);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding-top: var(--header-height);
  background-color: var(--color-offwhite);
  overflow: hidden;
  position: relative;
}

.hero-content {
  padding: var(--space-24) var(--space-6) var(--space-24) 0;
  max-width: 560px;
  margin-left: auto;
  padding-right: var(--space-16);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-green);
  background-color: var(--color-green-light);
  border: 1px solid rgba(90,155,61,0.2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-2xl);
  margin-bottom: var(--space-6);
}

.hero h1 {
  font-size: clamp(2.25rem, 4vw, 3.75rem);
  font-weight: 800;
  line-height: 1.08;
  color: var(--color-black);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.hero h1 .accent {
  color: var(--color-green);
}

.hero-lead {
  font-size: var(--font-size-md);
  line-height: 1.75;
  color: var(--color-midgray);
  margin-bottom: var(--space-10);
  max-width: 460px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-lightgray);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.hero-stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-black);
  letter-spacing: -0.03em;
  line-height: 1;
}

.hero-stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-midgray);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.hero-image-wrap {
  height: 100%;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-image-badge {
  position: absolute;
  bottom: var(--space-8);
  left: var(--space-8);
  background: rgba(17,17,17,0.85);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.1);
}

.hero-image-badge p:first-child {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.6);
  font-weight: 500;
  margin-bottom: var(--space-1);
}

.hero-image-badge p:last-child {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-white);
}

.hero-image-badge .badge-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--color-green);
  border-radius: 50%;
  margin-right: var(--space-2);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

/* ============================================================
   USP / DIFFERENZIERUNG - "WAS WIR ANDERS MACHEN"
   ============================================================ */
.usp-bar {
  background-color: var(--color-black);
  padding-block: var(--space-8);
}

.usp-bar-inner {
  display: flex;
  align-items: center;
  gap: var(--space-10);
  flex-wrap: wrap;
}

.usp-bar-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
  min-width: 200px;
}

.usp-bar-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(90,155,61,0.15);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.usp-bar-icon svg {
  color: var(--color-green);
}

.usp-bar-text {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  line-height: 1.4;
}

.usp-icon-sm {
  width: 32px;
  height: 32px;
  min-width: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(90,155,61,0.15);
  border-radius: var(--radius-md);
}

/* ============================================================
   UNTERSCHIED-SECTION (Was wir anders machen)
   ============================================================ */
.difference-section {
  background-color: var(--color-white);
}

.difference-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.difference-point {
  display: flex;
  gap: var(--space-5);
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-lightgray);
}

.difference-point:last-child { border-bottom: none; }

.difference-point-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-green-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: var(--space-1);
}

.difference-point-icon svg { color: var(--color-green); }

.difference-point-text h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-1);
}

.difference-point-text p {
  font-size: var(--font-size-sm);
  color: var(--color-midgray);
  line-height: 1.65;
}

.difference-visual {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.difference-visual img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.difference-visual-overlay {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-lg);
}

.difference-visual-overlay p {
  font-size: var(--font-size-sm);
  color: var(--color-midgray);
  margin-bottom: var(--space-1);
}

.difference-visual-overlay strong {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-green);
}

/* ============================================================
   LEISTUNGEN (SERVICES)
   ============================================================ */
.services-section {
  background-color: var(--color-offwhite);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-lightgray);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--color-green);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
  transform-origin: left;
}

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

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 52px;
  height: 52px;
  background-color: var(--color-green-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  transition: background-color var(--transition-normal);
}

.service-card:hover .service-icon {
  background-color: var(--color-green);
}

.service-icon svg {
  color: var(--color-green);
  transition: color var(--transition-normal);
}

.service-card:hover .service-icon svg {
  color: var(--color-white);
}

.service-number {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-lightgray);
  letter-spacing: 0.08em;
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
}

.service-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: var(--font-size-sm);
  color: var(--color-midgray);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

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

.service-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-darkgray);
  font-weight: 500;
}

.service-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  min-width: 6px;
  background-color: var(--color-green);
  border-radius: 50%;
  margin-top: 6px;
}

/* ============================================================
   PROZESS (HOW WE WORK)
   ============================================================ */
.process-section {
  background-color: var(--color-black);
  color: var(--color-white);
}

.process-section .eyebrow { color: var(--color-green); }

.process-section .headline-2 { color: var(--color-white); }

.process-section .lead-text { color: rgba(255,255,255,0.55); }

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: var(--space-16);
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 28px);
  right: calc(12.5% + 28px);
  height: 1px;
  background: linear-gradient(90deg, var(--color-green), rgba(90,155,61,0.2));
}

.process-step {
  padding: 0 var(--space-6);
  position: relative;
}

.process-step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-black);
  border: 2px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
  transition: all var(--transition-normal);
}

.process-step:hover .process-step-number {
  border-color: var(--color-green);
  background-color: var(--color-green);
}

.process-step-number span {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-normal);
}

.process-step:hover .process-step-number span {
  color: var(--color-white);
}

.process-step h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.process-step p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}

.process-steps-row2 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: var(--space-10);
  position: relative;
  max-width: 75%;
}

/* ============================================================
   VOR / NACH (BEFORE / AFTER)
   ============================================================ */
.potenziale-section {
  background-color: var(--color-offwhite);
}

.before-after-container {
  margin-top: var(--space-12);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.before-after-wrap {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--color-white);
  border: 1px solid var(--color-lightgray);
}

.before-after-slider {
  position: relative;
  overflow: hidden;
}

.before-after-slider-inner {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  background-color: var(--color-lightgray);
  overflow: hidden;
  cursor: col-resize;
  user-select: none;
}

.before-after-slider-inner img {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}

.after-img-wrap {
  position: absolute;
  top: 0; left: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
  transition: none;
}

.after-img-wrap img {
  width: auto;
  max-width: none;
  left: 0;
}

.before-after-divider {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: var(--color-white);
  transform: translateX(-50%);
  cursor: col-resize;
  z-index: 10;
}

.before-after-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  background: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: col-resize;
  z-index: 11;
}

.before-after-handle svg {
  color: var(--color-darkgray);
}

.ba-label {
  position: absolute;
  top: var(--space-4);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: 700;
  border-radius: var(--radius-2xl);
  z-index: 5;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ba-label.before {
  right: var(--space-4);
  background: rgba(17,17,17,0.75);
  color: var(--color-white);
  backdrop-filter: blur(6px);
}

.ba-label.after {
  left: var(--space-4);
  background: var(--color-green);
  color: var(--color-white);
}

.ba-info {
  padding: var(--space-6) var(--space-8);
}

.ba-info h4 {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.ba-info p {
  font-size: var(--font-size-sm);
  color: var(--color-midgray);
  line-height: 1.65;
}

.ba-measures {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.ba-tag {
  font-size: var(--font-size-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-2xl);
  background-color: var(--color-green-light);
  color: var(--color-green-dark);
  border: 1px solid rgba(90,155,61,0.2);
}

.potenziale-cta {
  text-align: center;
  margin-top: var(--space-16);
  padding: var(--space-12) var(--space-8);
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-lightgray);
}

.potenziale-cta p {
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-black);
  margin-bottom: var(--space-6);
  max-width: 500px;
  margin-inline: auto;
}

/* ============================================================
   ÜBER UNS (ABOUT)
   ============================================================ */
.about-section {
  background-color: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image-main {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image-main img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.about-credentials {
  position: absolute;
  bottom: calc(-1 * var(--space-6));
  right: calc(-1 * var(--space-6));
  background: var(--color-green);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-8);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
  max-width: 200px;
}

.about-credentials strong {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-1);
}

.about-credentials span {
  font-size: var(--font-size-xs);
  opacity: 0.85;
  font-weight: 500;
  display: block;
  line-height: 1.4;
}

.about-content-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.about-value-card {
  background-color: var(--color-offwhite);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  border: 1px solid var(--color-lightgray);
}

.about-value-card h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-1);
}

.about-value-card p {
  font-size: var(--font-size-xs);
  color: var(--color-midgray);
  line-height: 1.6;
}

/* ============================================================
   TRUST / ARGUMENTE
   ============================================================ */
.trust-section {
  background-color: var(--color-offwhite);
  border-top: 1px solid var(--color-lightgray);
  border-bottom: 1px solid var(--color-lightgray);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.trust-card {
  text-align: center;
  padding: var(--space-8) var(--space-4);
}

.trust-number {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-black);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.trust-number span {
  color: var(--color-green);
}

.trust-label {
  font-size: var(--font-size-sm);
  color: var(--color-midgray);
  font-weight: 400;
  line-height: 1.5;
}

/* ============================================================
   KONTAKT (CONTACT)
   ============================================================ */
.contact-section {
  background-color: var(--color-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info h2 {
  margin-bottom: var(--space-4);
}

.contact-info .lead-text {
  margin-bottom: var(--space-8);
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--color-lightgray);
}

.contact-detail:last-of-type { border-bottom: none; }

.contact-detail-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-green-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-icon svg { color: var(--color-green); }

.contact-detail-text p:first-child {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-midgray);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}

.contact-detail-text p:last-child {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-black);
}

.contact-form-card {
  background-color: var(--color-offwhite);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  border: 1px solid var(--color-lightgray);
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-darkgray);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: var(--color-white);
  border: 1.5px solid var(--color-lightgray);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-darkgray);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  line-height: 1.5;
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px rgba(90,155,61,0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-note {
  font-size: var(--font-size-xs);
  color: var(--color-midgray);
  line-height: 1.6;
  margin-top: var(--space-3);
}

.form-submit {
  width: 100%;
  margin-top: var(--space-2);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-section {
  background-color: var(--color-offwhite);
}

.faq-list {
  max-width: 780px;
  margin-inline: auto;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-lightgray);
  margin-bottom: var(--space-3);
  overflow: hidden;
  transition: box-shadow var(--transition-normal);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-8);
  cursor: pointer;
  gap: var(--space-4);
  user-select: none;
}

.faq-question h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-black);
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.faq-icon {
  width: 28px;
  height: 28px;
  min-width: 28px;
  background-color: var(--color-offwhite);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), transform var(--transition-normal);
}

.faq-icon svg {
  color: var(--color-midgray);
  transition: all var(--transition-normal);
}

.faq-item.open .faq-icon {
  background-color: var(--color-green);
  transform: rotate(45deg);
}

.faq-item.open .faq-icon svg {
  color: var(--color-white);
}

.faq-answer {
  display: none;
  padding: 0 var(--space-8) var(--space-6);
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-answer p {
  font-size: var(--font-size-sm);
  color: var(--color-midgray);
  line-height: 1.75;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding-top: var(--space-20);
  padding-bottom: var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.footer-brand p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-top: var(--space-4);
  max-width: 280px;
}

.footer-col h5 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-5);
  letter-spacing: 0.02em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.45);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--color-green);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-contact-item svg {
  color: var(--color-green);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-item span {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.3);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom-links a {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.3);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--color-green);
}

/* Footer logo */
.footer-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--color-green);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

.footer-logo-mark span {
  color: var(--color-white);
  font-weight: 800;
  font-size: var(--font-size-sm);
  letter-spacing: -0.03em;
}

.footer-brand-name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

/* ============================================================
   SCROLL-TO-TOP
   ============================================================ */
.scroll-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  z-index: 100;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-black);
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--color-green);
  border-color: var(--color-green);
}

/* ============================================================
   RESPONSIVE DESIGN - TABLET
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --header-height: 64px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-content {
    padding: var(--space-20) var(--space-6) var(--space-10);
    max-width: 100%;
    margin-inline: auto;
    padding-right: var(--space-6);
    text-align: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-image-wrap {
    height: 50vw;
    min-height: 320px;
    min-height: auto;
  }

  .hero-lead {
    max-width: 100%;
    margin-inline: auto;
  }

  .difference-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .difference-visual {
    order: -1;
  }

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

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-10);
  }

  .process-steps::before {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-10);
  }

  .before-after-container {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   RESPONSIVE DESIGN - MOBILE
   ============================================================ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-phone { display: none; }

  /* Fix 1: CTA-Button im Header auf Mobil ausblenden –
     das mobile Menü hat bereits einen "Jetzt anfragen"-Button */
  #nav-cta-btn { display: none; }

  .hamburger { display: flex; }

  .mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-lightgray);
    padding: var(--space-6);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    transform: translateY(-110%);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-lg);
  }

  .mobile-menu.open {
    transform: translateY(0);
  }

  .mobile-menu .nav-link {
    font-size: var(--font-size-base);
    padding-block: var(--space-3);
    border-bottom: 1px solid var(--color-lightgray);
  }

  .hero h1 {
    font-size: clamp(2rem, 7vw, 3rem);
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: var(--space-4);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .about-credentials {
    position: static;
    margin-top: var(--space-4);
    max-width: 100%;
  }

  .about-content-values {
    grid-template-columns: 1fr;
  }

  .section-padding { padding-block: var(--space-16); }
  .section-padding--lg { padding-block: var(--space-20); }

  .usp-bar-inner {
    flex-direction: column;
    gap: var(--space-4);
  }

  .usp-bar-item {
    min-width: auto;
  }

  .difference-visual-overlay {
    position: static;
    margin-top: var(--space-4);
    /* Fix 2: Overlay-Badge kompakter auf Mobil */
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-xs);
  }
  .difference-visual-overlay strong {
    font-size: var(--font-size-2xl);
  }

  /* Vor/Nachher-Slider in der Unterschied-Sektion: feste Höhe */
  .difference-visual .before-after-slider {
    height: 260px;
  }
  .difference-visual .before-after-slider-inner {
    height: 260px;
  }
  .difference-visual .before-img {
    height: 260px;
    object-fit: cover;
  }

  .scroll-top {
    bottom: var(--space-4);
    right: var(--space-4);
  }
}

/* ============================================================
   PROZESS-SLIDER
   ============================================================ */
.process-slider {
  position: relative;
  margin-top: var(--space-12);
  overflow: hidden;
}

.process-slider-track {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.process-slide {
  flex: 0 0 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-16) var(--space-32);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-2xl);
  position: relative;
  box-sizing: border-box;
}

.process-slide-step-badge {
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-green);
  background: rgba(90,155,61,0.15);
  border: 1px solid rgba(90,155,61,0.25);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-2xl);
  margin-bottom: var(--space-8);
}

.process-slide-number {
  font-size: 6rem;
  font-weight: 800;
  color: rgba(255,255,255,0.04);
  letter-spacing: -0.06em;
  line-height: 1;
  position: absolute;
  top: var(--space-8);
  right: var(--space-10);
  pointer-events: none;
  user-select: none;
  font-variant-numeric: tabular-nums;
}

.process-slide-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: var(--space-5);
  max-width: 560px;
}

.process-slide-text {
  font-size: var(--font-size-md);
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: var(--space-10);
}

.process-slide-icon {
  width: 64px;
  height: 64px;
  background: rgba(90,155,61,0.12);
  border: 1px solid rgba(90,155,61,0.25);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-green);
  margin-top: auto;
}

/* Controls */
.process-slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.process-slider-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  flex-shrink: 0;
}

.process-slider-btn:hover:not(:disabled) {
  background: var(--color-green);
  border-color: var(--color-green);
  color: var(--color-white);
  transform: scale(1.08);
}

.process-slider-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

/* Dots */
.process-slider-dots {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.ps-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  padding: 0;
}

.ps-dot.active {
  background: var(--color-green);
  width: 24px;
  border-radius: var(--radius-2xl);
}

.ps-dot:hover:not(.active) {
  background: rgba(255,255,255,0.45);
}

/* Responsive */
@media (max-width: 1024px) {
  .process-slide {
    padding: var(--space-12) var(--space-16);
  }
  .process-slide-title {
    font-size: var(--font-size-2xl);
  }
}

@media (max-width: 768px) {
  .process-slide {
    padding: var(--space-10) var(--space-6);
  }
  .process-slide-number {
    font-size: 4rem;
    top: var(--space-5);
    right: var(--space-6);
  }
  .process-slide-title {
    font-size: var(--font-size-xl);
  }
  .process-slide-text {
    font-size: var(--font-size-base);
  }
  .process-slider-btn {
    width: 40px;
    height: 40px;
  }
}