/* ================================================================
   KanzleiPartner Digital – Stylesheet
   Moderne, professionelle B2B-Website für Steuerkanzleien
   ================================================================ */

/* ----------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   ---------------------------------------------------------------- */
:root {
  /* Farben */
  --color-primary: #1a3a6b;       /* Dunkelblau – Seriosität, Vertrauen */
  --color-primary-dark: #122a52;
  --color-primary-light: #2a5298;
  --color-accent: #00a896;        /* Teal – Digitalisierung, Frische */
  --color-accent-dark: #007a6e;
  --color-accent-light: #33bfb0;
  --color-gold: #e8a838;          /* Gold – Premium, Wertigkeit */
  --color-red: #c0392b;           /* Rot – Problem */
  --color-success: #27ae60;
  
  /* Grautöne */
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;
  
  /* Typografie */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* Abstände */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Radien */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Schatten */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12), 0 4px 16px rgba(0,0,0,0.08);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15), 0 8px 24px rgba(0,0,0,0.10);
  --shadow-glow: 0 0 40px rgba(0, 168, 150, 0.3);
  
  /* Transition */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
  
  /* Container */
  --container-max: 1200px;
  --container-padding: clamp(1rem, 5vw, 3rem);
  
  /* Nav Height */
  --nav-height: 72px;
}

/* ----------------------------------------------------------------
   2. 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-sans);
  color: var(--color-gray-800);
  background: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

ul {
  list-style: none;
}

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

/* ----------------------------------------------------------------
   3. Layout Utilities
   ---------------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-24) 0;
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-16) 0;
  }
}

.section-light {
  background: var(--color-gray-50);
}

.section-dark {
  background: var(--color-gray-900);
  color: #fff;
}

.section-accent {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
}

.section-gradient {
  background: linear-gradient(135deg, #0f172a 0%, var(--color-primary) 50%, #0f3460 100%);
  color: #fff;
}

.section-vision {
  background: linear-gradient(180deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
  color: #fff;
}

.section-cta {
  background: #fff;
}

/* ----------------------------------------------------------------
   4. Typography
   ---------------------------------------------------------------- */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.tag-blue {
  background: rgba(26, 58, 107, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(26, 58, 107, 0.2);
}

.tag-teal {
  background: rgba(0, 168, 150, 0.1);
  color: var(--color-accent-dark);
  border: 1px solid rgba(0, 168, 150, 0.25);
}

.tag-red {
  background: rgba(192, 57, 43, 0.1);
  color: var(--color-red);
  border: 1px solid rgba(192, 57, 43, 0.2);
}

.tag-white {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
}

.section-headline {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  line-height: 1.15;
  color: var(--color-gray-900);
  margin-bottom: var(--space-6);
}

.section-headline-centered {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
  line-height: 1.2;
  text-align: center;
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

.section-dark .section-headline-centered,
.section-gradient .section-headline-centered {
  color: #fff;
}

.white-text {
  color: #fff !important;
}

.section-intro {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.section-intro-centered {
  font-size: var(--text-lg);
  color: var(--color-gray-500);
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-12);
  line-height: 1.7;
}

.section-dark .section-intro-centered {
  color: var(--color-gray-300);
}

.section-gradient .section-intro-centered {
  color: rgba(255,255,255,0.8);
}

.highlight-text {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.highlight-teal {
  color: var(--color-accent);
}

.highlight-blue {
  color: var(--color-primary);
}

.highlight-dark {
  color: var(--color-primary);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

/* ----------------------------------------------------------------
   5. Buttons
   ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-base);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  border: 2px solid transparent;
}

.btn-lg {
  font-size: var(--text-lg);
  padding: 1rem 2rem;
}

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

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 168, 150, 0.35);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 168, 150, 0.45);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: rgba(255,255,255,0.8);
  transform: translateY(-2px);
}

/* ----------------------------------------------------------------
   6. Navigation
   ---------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: all var(--transition-base);
  padding: 0;
}

.navbar.scrolled {
  background: rgba(10, 22, 46, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 30px rgba(0,0,0,0.3);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: #fff;
  font-size: var(--text-lg);
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-base);
  color: #fff;
  flex-shrink: 0;
}

.brand-text {
  font-weight: 400;
  letter-spacing: -0.01em;
  color: rgba(255,255,255,0.9);
}

.brand-text strong {
  font-weight: 800;
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-link {
  color: rgba(255,255,255,0.8);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}

.nav-link.cta-nav {
  background: var(--color-accent);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  font-weight: 600;
}

.nav-link.cta-nav:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}

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

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition-fast);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 22, 46, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-4);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  .nav-link {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    text-align: center;
  }
  
  .nav-link.cta-nav {
    margin-top: var(--space-2);
  }
}

/* ----------------------------------------------------------------
   7. Hero Section
   ---------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, #0a1628 0%, var(--color-primary) 40%, #0d2b4e 70%, #071624 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-height) + 4rem) 0 var(--space-24);
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(0, 168, 150, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(26, 58, 107, 0.3) 0%, transparent 50%);
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: rgba(0, 168, 150, 0.6);
  border-radius: 50%;
  animation: float-particle linear infinite;
}

@keyframes float-particle {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100vh) translateX(50px); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(0, 168, 150, 0.15);
  border: 1px solid rgba(0, 168, 150, 0.4);
  color: var(--color-accent-light);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero-subline {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 680px;
}

.hero-subline strong {
  color: rgba(255,255,255,0.95);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

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

.stat-number {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-accent-light);
  line-height: 1;
}

.stat-label {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  font-weight: 400;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.15);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero-scroll-indicator a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: rgba(255,255,255,0.5);
  font-size: var(--text-sm);
  animation: bounce 2s ease infinite;
  transition: all var(--transition-base);
}

.hero-scroll-indicator a:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ----------------------------------------------------------------
   8. Section Grid Layouts
   ---------------------------------------------------------------- */
.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

@media (max-width: 900px) {
  .section-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .section-grid.reverse-on-mobile .section-text {
    order: 1;
  }
  
  .section-grid.reverse-on-mobile .section-image {
    order: 2;
  }
}

.section-image figure {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.section-image figure img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  display: block;
}

.section-image figure::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 58, 107, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.section-image figcaption {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  padding: var(--space-2) var(--space-3);
  background: var(--color-gray-100);
}

.section-image figcaption a {
  color: var(--color-gray-400);
}

.section-image figcaption a:hover {
  color: var(--color-accent);
}

.section-image-full {
  margin-top: var(--space-12);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.section-image-full figure img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.section-image-full figcaption {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  padding: var(--space-2) var(--space-3);
  background: rgba(255,255,255,0.05);
  text-align: right;
}

.section-image-full figcaption a {
  color: var(--color-gray-400);
}

/* ----------------------------------------------------------------
   9. Problem Section
   ---------------------------------------------------------------- */
.problem-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.problem-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background: #fff;
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-red);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.problem-item:hover {
  box-shadow: var(--shadow-md);
}

.problem-icon {
  width: 40px;
  height: 40px;
  background: rgba(192, 57, 43, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-red);
  font-size: var(--text-base);
  flex-shrink: 0;
}

.problem-item strong {
  display: block;
  font-size: var(--text-base);
  color: var(--color-gray-800);
  margin-bottom: var(--space-1);
}

.problem-item p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin: 0;
}

.problem-result {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: rgba(192, 57, 43, 0.06);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(192, 57, 43, 0.15);
}

.problem-result i {
  color: var(--color-red);
  font-size: var(--text-xl);
  flex-shrink: 0;
  margin-top: 2px;
}

.problem-result p {
  font-size: var(--text-base);
  color: var(--color-gray-700);
  margin: 0;
}

/* ----------------------------------------------------------------
   10. Services Grid (Lösung)
   ---------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.service-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.service-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(0, 168, 150, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 168, 150, 0.15);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.service-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-2);
}

.service-card p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

.abgrenzung-box {
  background: linear-gradient(135deg, rgba(0, 168, 150, 0.12) 0%, rgba(0, 168, 150, 0.05) 100%);
  border: 1px solid rgba(0, 168, 150, 0.3);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  margin-top: var(--space-8);
}

.abgrenzung-inner {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
}

@media (max-width: 600px) {
  .abgrenzung-inner {
    flex-direction: column;
  }
}

.abgrenzung-icon {
  width: 64px;
  height: 64px;
  background: var(--color-accent);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  color: #fff;
  flex-shrink: 0;
}

.abgrenzung-box h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-3);
}

.abgrenzung-box p {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
}

.abgrenzung-box strong {
  color: var(--color-accent-light);
}

/* ----------------------------------------------------------------
   11. Benefits Grid (Vorteile)
   ---------------------------------------------------------------- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (max-width: 700px) {
  .benefits-grid {
    grid-template-columns: 1fr;
  }
}

.benefit-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid var(--color-gray-200);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gray-100);
}

.benefit-card:hover::before {
  opacity: 1;
}

.benefit-card.highlight-benefit {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  border-color: transparent;
}

.benefit-card.highlight-benefit h3,
.benefit-card.highlight-benefit p {
  color: rgba(255,255,255,0.9);
}

.benefit-card.highlight-benefit .benefit-number {
  color: rgba(255,255,255,0.2);
}

.benefit-card.highlight-benefit .benefit-icon {
  background: rgba(255,255,255,0.15);
  color: var(--color-accent-light);
}

.benefit-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-gray-100);
  position: absolute;
  top: var(--space-3);
  right: var(--space-4);
  line-height: 1;
  font-family: var(--font-serif);
}

.benefit-icon {
  width: 48px;
  height: 48px;
  background: rgba(26, 58, 107, 0.08);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.benefit-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-gray-800);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.benefit-card p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
  margin: 0;
}

/* ----------------------------------------------------------------
   12. Not-Doing Section
   ---------------------------------------------------------------- */
.not-doing-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (max-width: 768px) {
  .not-doing-wrapper {
    grid-template-columns: 1fr;
  }
}

.not-doing-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  color: #fff;
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.not-doing-text h2 em {
  color: var(--color-accent-light);
  font-style: normal;
}

.not-doing-text p {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
}

.not-doing-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.not-doing-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  transition: all var(--transition-base);
}

.not-doing-item:hover {
  background: rgba(255,255,255,0.1);
}

.not-doing-item i {
  color: #e74c3c;
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.not-doing-item span {
  font-size: var(--text-base);
  font-weight: 600;
  color: rgba(255,255,255,0.9);
}

/* ----------------------------------------------------------------
   13. Cooperation Model
   ---------------------------------------------------------------- */
.cooperation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

@media (max-width: 900px) {
  .cooperation-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-8);
  }
}

.cooperation-card {
  background: #fff;
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  border: 2px solid var(--color-gray-200);
  position: relative;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.cooperation-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-light);
}

.cooperation-card-featured {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-gray-50) 0%, #fff 100%);
}

.cooperation-card-featured::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-2xl) + 2px);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  z-index: -1;
}

.featured-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.coop-letter {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: 800;
  color: #fff;
  font-family: var(--font-serif);
  margin-bottom: var(--space-4);
}

.cooperation-card h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-gray-800);
  margin-bottom: var(--space-1);
}

.coop-subtitle {
  font-size: var(--text-sm);
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.cooperation-card > p:not(.coop-subtitle) {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: 1.65;
  margin-bottom: var(--space-5);
}

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

.coop-list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  font-weight: 500;
}

.coop-list li i {
  color: var(--color-accent);
  font-size: var(--text-sm);
}

/* Effect Box */
.effect-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  color: #fff;
}

.effect-box h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.effect-box h3 i {
  color: var(--color-accent-light);
}

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

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

.effect-item {
  text-align: center;
  padding: var(--space-4);
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.1);
}

.effect-number {
  display: block;
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-accent-light);
  line-height: 1;
  margin-bottom: var(--space-2);
  font-family: var(--font-serif);
}

.effect-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.65);
  line-height: 1.4;
}

/* ----------------------------------------------------------------
   14. Target Grid (Für wen)
   ---------------------------------------------------------------- */
.target-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}

@media (max-width: 1000px) {
  .target-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 600px) {
  .target-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.target-card {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.target-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(0, 168, 150, 0.4);
  transform: translateY(-4px);
}

.target-card i {
  font-size: var(--text-3xl);
  color: var(--color-accent-light);
  margin-bottom: var(--space-3);
  display: block;
}

.target-card h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-2);
}

.target-card p {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
}

/* ----------------------------------------------------------------
   15. About Section
   ---------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

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

.about-image figure img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.about-intro {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

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

.about-feature i {
  color: var(--color-accent);
  font-size: var(--text-xl);
  flex-shrink: 0;
  margin-top: 2px;
}

.about-feature strong {
  display: block;
  font-size: var(--text-base);
  color: var(--color-gray-800);
  margin-bottom: var(--space-1);
}

.about-feature p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin: 0;
}

/* ----------------------------------------------------------------
   16. Vision Section
   ---------------------------------------------------------------- */
.vision-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.vision-quote {
  margin-bottom: var(--space-8);
}

.vision-quote i {
  font-size: var(--text-4xl);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  display: block;
  opacity: 0.6;
}

.vision-quote blockquote {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-xl), 3vw, var(--text-3xl));
  color: #fff;
  line-height: 1.5;
  font-style: italic;
  margin-bottom: var(--space-4);
}

.vision-quote cite {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.4);
  font-style: normal;
}

.vision-text {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
}

.vision-text strong {
  color: var(--color-accent-light);
}

.vision-text em {
  color: rgba(255,255,255,0.9);
  font-style: normal;
}

/* ----------------------------------------------------------------
   17. CTA / Contact Section
   ---------------------------------------------------------------- */
.cta-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

@media (max-width: 900px) {
  .cta-wrapper {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.cta-content .section-tag {
  margin-bottom: var(--space-4);
}

.cta-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.cta-content > p {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

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

.cta-checklist li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-gray-700);
  font-weight: 500;
}

.cta-checklist li i {
  color: var(--color-accent);
  font-size: var(--text-base);
  flex-shrink: 0;
}

/* Form */
.contact-form {
  background: var(--color-gray-50);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-gray-800);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-gray-200);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-gray-800);
  background: #fff;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-gray-400);
}

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

.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.form-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.form-check label {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  font-weight: 400;
  cursor: pointer;
  margin-bottom: 0;
}

.form-link {
  color: var(--color-accent);
  text-decoration: underline;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  text-align: center;
  margin-top: var(--space-3);
}

/* Form Success */
.form-success {
  background: var(--color-gray-50);
  border-radius: var(--radius-2xl);
  padding: var(--space-12) var(--space-8);
  border: 1px solid var(--color-gray-200);
  text-align: center;
}

.form-success i {
  font-size: 4rem;
  color: var(--color-success);
  margin-bottom: var(--space-4);
  display: block;
}

.form-success h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-gray-800);
  margin-bottom: var(--space-3);
}

.form-success p {
  color: var(--color-gray-600);
}

/* ----------------------------------------------------------------
   18. Footer
   ---------------------------------------------------------------- */
.footer {
  background: var(--color-gray-900);
  color: rgba(255,255,255,0.6);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.footer-brand-logo {
  margin-bottom: var(--space-4);
}

.footer-brand p {
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-2);
}

.footer-sub {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
}

.footer-nav h4,
.footer-contact h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

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

.footer-nav ul li a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.footer-nav ul li a:hover {
  color: var(--color-accent-light);
}

.footer-contact p {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

.footer-contact p i {
  color: var(--color-accent);
  width: 16px;
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(0, 168, 150, 0.1);
  border: 1px solid rgba(0, 168, 150, 0.25);
  color: var(--color-accent-light);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  margin-top: var(--space-4);
}

.footer-badge i {
  font-size: var(--text-xs);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

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

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

.footer-links a {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: rgba(255,255,255,0.7);
}

/* ----------------------------------------------------------------
   19. Back to Top Button
   ---------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-base);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: all var(--transition-base);
  z-index: 999;
}

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

.back-to-top:hover {
  background: var(--color-accent);
  transform: translateY(-3px);
}

/* ----------------------------------------------------------------
   20. Animations
   ---------------------------------------------------------------- */
.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-fade-up.in-view,
.animate-slide-left.in-view,
.animate-slide-right.in-view {
  opacity: 1;
  transform: translate(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ----------------------------------------------------------------
   21. Misc / Utility
   ---------------------------------------------------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* Smooth scrolling for all anchor links */
html {
  scroll-padding-top: var(--nav-height);
}

/* ----------------------------------------------------------------
   22. Partner Section
   ---------------------------------------------------------------- */
.section-partner {
  background: #fff;
  border-top: 1px solid var(--color-gray-200);
}

/* Einheitliche Abschnitt-Überschriften-Farbe in weißem Kontext */
.section-partner .section-headline-centered {
  color: var(--color-gray-900);
}

.section-partner .section-intro-centered {
  color: var(--color-gray-500);
}

/* Grid: 3 Karten nebeneinander, ab Tablet 2, ab Mobile 1 */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 900px) {
  .partner-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .partner-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* Partner-Karte – aktiver Partner */
.partner-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: #fff;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.partner-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  background: var(--color-gray-50);
  color: inherit;
}

/* Logo-Container – weißer Hintergrund, Padding für Atemraum */
.partner-logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 80px;
  padding: 20px 24px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
}

/* Logo: breites Format (222×41) – volle Breite, fixe Höhe */
.partner-logo {
  width: 100%;
  max-width: 200px;
  height: 37px;          /* proportional zu 222×41 bei max-width 200px */
  object-fit: contain;
  object-position: center;
  transition: opacity var(--transition-base);
}

/* Beim Hover leicht transparent für dezentes Feedback */
.partner-card:hover .partner-logo {
  opacity: 0.75;
}

.partner-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  align-items: center;
}

.partner-name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-gray-800);
}

.partner-desc {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: 1.4;
}

/* Externer Link-Indikator */
.partner-ext-icon {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  color: var(--color-gray-300);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.partner-card:hover .partner-ext-icon {
  color: var(--color-primary-light);
}

/* Platzhalter-Karten */
.partner-placeholder {
  background: var(--color-gray-50);
  border: 2px dashed var(--color-gray-300);
  cursor: default;
  opacity: 0.65;
}

.partner-placeholder:hover {
  border-color: var(--color-accent);
  opacity: 0.85;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  background: var(--color-gray-50);
}

.partner-placeholder-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--color-gray-200);
  border-radius: var(--radius-xl);
  color: var(--color-gray-400);
  font-size: var(--text-2xl);
  transition: all var(--transition-base);
}

.partner-placeholder:hover .partner-placeholder-icon {
  background: rgba(0, 168, 150, 0.1);
  color: var(--color-accent);
}

/* CTA unter den Partner-Karten */
.partner-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
  padding-top: var(--space-4);
}

.partner-cta p {
  font-size: var(--text-base);
  color: var(--color-gray-500);
}

/* ----------------------------------------------------------------
   22. Responsive Breakpoints & Fixes
   ---------------------------------------------------------------- */
@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
  }
  
  .hero-ctas {
    flex-direction: column;
  }
  
  .hero-stats {
    gap: var(--space-4);
  }
  
  .stat-divider {
    display: none;
  }
  
  .contact-form {
    padding: var(--space-6) var(--space-4);
  }
  
  .back-to-top {
    bottom: var(--space-4);
    right: var(--space-4);
  }
}

/* ----------------------------------------------------------------
   23. Print Styles
   ---------------------------------------------------------------- */
@media print {
  .navbar,
  .back-to-top,
  .hero-particles,
  .hero-scroll-indicator {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
  }
}