:root {
    --pf-ai-hellblau: #0097b6;
    --pf-ai-dunkelblau: #225f7d;
    --pf-ai-gelb: #ffd000;
    --pf-ai-orange: #f3541e;
    --pf-ai-cyan: #58b8cb;
    --pf-ai-dark: #2e2e2e;
    --pf-ai-body: #586782;
    --pf-ai-muted: #949c9e;
    --pf-ai-white: #ffffff;
    --pf-ai-light-blue: #eaf6f8;
  }

  /* Animations */
  @keyframes pf-ai-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
  }

  @keyframes pf-ai-float-reverse {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(20px) rotate(-2deg); }
  }

  @keyframes pf-ai-gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }

  @keyframes pf-ai-pulse-soft {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
  }

  @keyframes pf-ai-fade-up {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @keyframes pf-ai-slide-in-right {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
  }

  /* Hero Section */
  .pf-ai-hero {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    background: linear-gradient(135deg, var(--pf-ai-dunkelblau) 0%, var(--pf-ai-hellblau) 50%, var(--pf-ai-cyan) 100%);
    background-size: 200% 200%;
    animation: pf-ai-gradient-shift 15s ease infinite;
    position: relative;
    overflow: hidden;
    padding: 120px 0 100px;
    margin-bottom: 60px;
  }

  .pf-ai-hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 500px;
    height: 500px;
    background: var(--pf-ai-gelb);
    opacity: 0.1;
    border-radius: 50%;
    animation: pf-ai-float 8s ease-in-out infinite;
  }

  .pf-ai-hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: var(--pf-ai-white);
    opacity: 0.05;
    border-radius: 50%;
    animation: pf-ai-float-reverse 10s ease-in-out infinite;
  }

  .pf-ai-hero-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
    position: relative;
    z-index: 2;
  }

  .pf-ai-hero-label {
    font-family: 'Roboto Mono', monospace;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--pf-ai-gelb);
    margin-bottom: 20px;
    display: inline-block;
    animation: pf-ai-fade-up 0.8s ease-out;
  }

  .pf-ai-hero-title {
    font-family: 'Roboto', sans-serif;
    font-size: 48px;
    font-weight: 700;
    color: var(--pf-ai-white);
    line-height: 1.2;
    margin-bottom: 20px;
    max-width: 800px;
    animation: pf-ai-fade-up 0.8s ease-out 0.2s both;
  }

  .pf-ai-hero-meta {
    font-family: 'Roboto', sans-serif;
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 30px;
    animation: pf-ai-fade-up 0.8s ease-out 0.4s both;
  }

  .pf-ai-hero-link {
    font-family: 'Roboto Mono', monospace;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--pf-ai-white);
    text-decoration: none;
    font-size: 16px;
    border-bottom: 2px solid var(--pf-ai-gelb);
    padding-bottom: 5px;
    transition: all 0.3s ease-out;
    animation: pf-ai-fade-up 0.8s ease-out 0.6s both;
  }

  .pf-ai-hero-link:hover {
    color: var(--pf-ai-gelb);
    gap: 15px;
  }

  /* Screenshot Section */
  .pf-ai-screenshot {
    margin-bottom: 80px;
    position: relative;
  }

  .pf-ai-browser-mockup {
    background: var(--pf-ai-white);
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(34, 95, 125, 0.15);
    padding: 20px;
    border: 1px solid rgba(0,0,0,0.05);
    position: relative;
  }

  .pf-ai-browser-header {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
  }

  .pf-ai-browser-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--pf-ai-gelb);
  }

  .pf-ai-browser-dot:nth-child(2) { background: var(--pf-ai-hellblau); }
  .pf-ai-browser-dot:nth-child(3) { background: var(--pf-ai-dunkelblau); }

  .pf-ai-browser-content {
    background: var(--pf-ai-light-blue);
    border-radius: 6px;
    overflow: hidden;
    min-height: 400px;
  }

  /* Project Info */
  .pf-ai-info {
    margin-bottom: 100px;
  }

  .pf-ai-section-header {
    margin-bottom: 50px;
  }

  .pf-ai-section-label {
    font-family: 'Roboto Mono', monospace;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--pf-ai-hellblau);
    margin-bottom: 10px;
    display: block;
  }

  .pf-ai-section-title {
    font-family: 'Roboto', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--pf-ai-dark);
    margin-bottom: 20px;
  }

  .pf-ai-info-grid {
    display: grid;
    gap: 40px;
  }

  .pf-ai-info-card {
    background: var(--pf-ai-white);
    padding: 40px;
    border-radius: 10px;
    border-left: 4px solid var(--pf-ai-gelb);
    box-shadow: 0 2px 15px rgba(88, 184, 203, 0.1);
    transition: all 0.5s ease-out;
  }

  .pf-ai-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(88, 184, 203, 0.2);
  }

  .pf-ai-info-card h3 {
    font-family: 'Roboto', sans-serif;
    font-size: 24px;
    color: var(--pf-ai-dunkelblau);
    margin-bottom: 20px;
    font-weight: 600;
  }

  .pf-ai-info-card p {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--pf-ai-body);
    margin-bottom: 15px;
  }

  .pf-ai-info-highlight {
    background: linear-gradient(120deg, transparent 0%, rgba(255, 208, 0, 0.3) 100%);
    padding: 2px 4px;
    border-radius: 3px;
  }

  /* Color Palette */
  .pf-ai-colors {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    background: var(--pf-ai-light-blue);
    padding: 100px 0;
    margin-bottom: 100px;
    position: relative;
    overflow: hidden;
  }

  .pf-ai-colors::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 151, 182, 0.1) 0%, transparent 70%);
    pointer-events: none;
  }

  .pf-ai-colors-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
    position: relative;
    z-index: 2;
  }

  .pf-ai-colors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
  }

  .pf-ai-color-card {
    background: var(--pf-ai-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(88, 184, 203, 0.1);
    transition: all 0.5s ease-out;
    cursor: pointer;
  }

  .pf-ai-color-card:hover {
    transform: translateY(-10px) rotate(1deg);
    box-shadow: 0 15px 40px rgba(88, 184, 203, 0.2);
  }

  .pf-ai-color-swatch {
    height: 150px;
    position: relative;
    overflow: hidden;
  }

  .pf-ai-color-swatch::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
  }

  .pf-ai-color-card:hover .pf-ai-color-swatch::after {
    transform: translateX(100%);
  }

  .pf-ai-color-info {
    padding: 25px;
  }

  .pf-ai-color-name {
    font-family: 'Roboto', sans-serif;
    font-size: 20px;
    font-weight: 600;
    color: var(--pf-ai-dark);
    margin-bottom: 5px;
  }

  .pf-ai-color-hex {
    font-family: 'Roboto Mono', monospace;
    font-size: 14px;
    color: var(--pf-ai-muted);
    text-transform: uppercase;
  }

  /* Features */
  .pf-ai-features {
    margin-bottom: 100px;
  }

  .pf-ai-features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .pf-ai-feature-card {
    background: var(--pf-ai-white);
    border-radius: 10px;
    padding: 40px;
    border: 2px solid transparent;
    box-shadow: 0 2px 15px rgba(88, 184, 203, 0.1);
    transition: all 0.5s ease-out;
    position: relative;
    overflow: hidden;
  }

  .pf-ai-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--pf-ai-hellblau), var(--pf-ai-gelb));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease-out;
  }

  .pf-ai-feature-card:hover {
    border-color: rgba(0, 151, 182, 0.2);
    box-shadow: 0 10px 30px rgba(88, 184, 203, 0.15);
    transform: translateY(-5px);
  }

  .pf-ai-feature-card:hover::before {
    transform: scaleX(1);
  }

  .pf-ai-feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--pf-ai-hellblau), var(--pf-ai-dunkelblau));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 28px;
    color: var(--pf-ai-white);
    transition: all 0.3s ease-out;
  }

  .pf-ai-feature-card:hover .pf-ai-feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 20px rgba(0, 151, 182, 0.3);
  }

  .pf-ai-feature-title {
    font-family: 'Roboto', sans-serif;
    font-size: 22px;
    font-weight: 600;
    color: var(--pf-ai-dark);
    margin-bottom: 15px;
  }

  .pf-ai-feature-text {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--pf-ai-body);
  }

  /* Taxonomies */
  .pf-ai-taxonomies {
    margin-bottom: 100px;
    padding: 60px;
    background: var(--pf-ai-white);
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(88, 184, 203, 0.1);
    border: 1px solid rgba(0, 151, 182, 0.1);
  }

  .pf-ai-taxonomies h4 {
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--pf-ai-muted);
    margin: 30px 0 15px;
    font-weight: 600;
  }

  .pf-ai-taxonomies h4:first-child {
    margin-top: 0;
  }

  .pf-ai-tag-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .pf-ai-tag-list li {
    margin: 0;
  }

  .pf-ai-tag-list a {
    font-family: 'Roboto', sans-serif;
    display: inline-block;
    padding: 8px 20px;
    background: var(--pf-ai-light-blue);
    color: var(--pf-ai-dunkelblau);
    text-decoration: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease-out;
    border: 1px solid transparent;
  }

  .pf-ai-tag-list a:hover {
    background: var(--pf-ai-hellblau);
    color: var(--pf-ai-white);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 151, 182, 0.3);
  }

  /* CTA Section */
  .pf-ai-cta {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    background: linear-gradient(135deg, var(--pf-ai-dunkelblau) 0%, var(--pf-ai-hellblau) 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
  }

  .pf-ai-cta::before {
    content: '';
    position: absolute;
    right: -100px;
    top: -100px;
    width: 400px;
    height: 400px;
    background: var(--pf-ai-gelb);
    opacity: 0.1;
    border-radius: 50%;
    animation: pf-ai-pulse-soft 4s ease-in-out infinite;
  }

  .pf-ai-cta-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
    text-align: center;
    position: relative;
    z-index: 2;
  }

  .pf-ai-cta-title {
    font-family: 'Roboto', sans-serif;
    font-size: 42px;
    font-weight: 700;
    color: var(--pf-ai-white);
    margin-bottom: 20px;
  }

  .pf-ai-cta-text {
    font-family: 'Roboto', sans-serif;
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  .pf-ai-cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
    justify-content: center;
    align-items: center;
  }

  .pf-ai-btn {
    font-family: 'Roboto', sans-serif;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 40px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease-out;
    border: 2px solid transparent;
    cursor: pointer;
    min-width: 280px;
  }

  .pf-ai-btn-primary {
    background: var(--pf-ai-gelb);
    color: var(--pf-ai-dark);
    box-shadow: 0 10px 30px rgba(255, 208, 0, 0.3);
  }

  .pf-ai-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 208, 0, 0.4);
    background: #ffe033;
  }

  .pf-ai-btn-secondary {
    background: transparent;
    color: var(--pf-ai-white);
    border-color: rgba(255,255,255,0.5);
  }

  .pf-ai-btn-secondary:hover {
    background: var(--pf-ai-white);
    color: var(--pf-ai-dunkelblau);
    transform: translateY(-3px);
  }

  /* Responsive */
  @media (min-width: 575px) {
    .pf-ai-hero-title {
      font-size: 56px;
    }
    
    .pf-ai-features-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 767px) {
    .pf-ai-hero {
      padding: 150px 0 120px;
    }
    
    .pf-ai-info-grid {
      grid-template-columns: 1fr 1fr;
    }
    
    .pf-ai-cta-buttons {
      flex-direction: row;
    }
  }

  @media (min-width: 991px) {
    .pf-ai-hero-title {
      font-size: 64px;
    }
    
    .pf-ai-section-title {
      font-size: 42px;
    }
    
    .pf-ai-features-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .pf-ai-feature-card {
      padding: 50px;
    }
  }

  @media (min-width: 1199px) {
    .pf-ai-features-grid {
      grid-template-columns: repeat(4, 1fr);
    }
    
    .pf-ai-browser-content {
      min-height: 600px;
    }
  }

  @media (max-width: 767px) {
    .pf-ai-hero-title {
      font-size: 36px;
    }
    
    .pf-ai-taxonomies {
      padding: 30px;
    }
    
    .pf-ai-info-card {
      padding: 25px;
    }
  }