:root {
    --pf-ai-project-blue: #3c6289;
    --pf-ai-agency-orange: #f3541e;
    --pf-ai-agency-cyan: #58b8cb;
    --pf-ai-dark: #2e2e2e;
    --pf-ai-body: #586782;
    --pf-ai-muted: #949c9e;
    --pf-ai-light-blue: #eaf6f8;
    --pf-ai-white: #ffffff;
    --pf-ai-radius-sm: 6px;
    --pf-ai-radius-lg: 10px;
    --pf-ai-radius-xl: 25px;
    --pf-ai-shadow: 0 2px 15px rgba(88, 184, 203, 0.1);
    --pf-ai-shadow-hover: 0 2px 15px rgba(88, 184, 203, 0.3);
    --pf-ai-transition: all 0.5s ease-out;
    --pf-ai-transition-fast: all 0.3s ease-out;
  }

  /* 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-pulse-soft {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.05); opacity: 1; }
  }

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

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

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

  @keyframes pf-ai-network-pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
  }

  /* Base Section Styles */
  .pf-ai-section {
    position: relative;
    padding: 80px 0;
  }

  .pf-ai-mono-label {
    font-family: 'Roboto Mono', monospace;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--pf-ai-agency-cyan);
    display: block;
    margin-bottom: 1rem;
  }

  /* Hero Section */
  .pf-ai-hero {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    background: linear-gradient(135deg, var(--pf-ai-project-blue) 0%, #2a4a66 50%, var(--pf-ai-agency-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-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
    position: relative;
    z-index: 2;
  }

  .pf-ai-hero .pf-ai-year {
    font-family: 'Roboto Mono', monospace;
    display: inline-block;
    background: rgba(255,255,255,0.15);
    color: var(--pf-ai-white);
    padding: 8px 16px;
    border-radius: var(--pf-ai-radius-xl);
    font-size: 0.875rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
  }

  .pf-ai-hero .pf-ai-title {
    font-size: 4rem;
    font-weight: 700;
    color: var(--pf-ai-white);
    margin-bottom: 1rem;
    line-height: 1.1;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
  }

  .pf-ai-hero .pf-ai-subtitle {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.9);
    max-width: 600px;
    margin-bottom: 2rem;
    font-weight: 300;
  }

  .pf-ai-hero .pf-ai-url-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--pf-ai-white);
    color: var(--pf-ai-project-blue);
    padding: 12px 24px;
    border-radius: var(--pf-ai-radius-xl);
    text-decoration: none;
    font-weight: 500;
    transition: var(--pf-ai-transition-fast);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  }

  .pf-ai-hero .pf-ai-url-pill:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    color: var(--pf-ai-agency-orange);
  }

  /* Floating Shapes */
  .pf-ai-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    background: var(--pf-ai-white);
  }

  .pf-ai-shape-1 {
    width: 300px;
    height: 300px;
    top: -100px;
    right: 10%;
    animation: pf-ai-float 8s ease-in-out infinite;
  }

  .pf-ai-shape-2 {
    width: 200px;
    height: 200px;
    bottom: -50px;
    left: 5%;
    animation: pf-ai-float-reverse 10s ease-in-out infinite;
  }

  .pf-ai-shape-3 {
    width: 150px;
    height: 150px;
    top: 40%;
    right: 20%;
    border: 2px solid rgba(255,255,255,0.3);
    background: transparent;
    animation: pf-ai-float 12s ease-in-out infinite;
  }

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

  .pf-ai-showcase-header {
    text-align: center;
    margin-bottom: 40px;
  }

  .pf-ai-showcase-header h2 {
    color: var(--pf-ai-dark);
    font-size: 2.5rem;
    margin-top: 0.5rem;
  }

  .pf-ai-browser-mockup {
    background: var(--pf-ai-white);
    border-radius: var(--pf-ai-radius-lg);
    box-shadow: var(--pf-ai-shadow-hover), 0 20px 60px rgba(60, 98, 137, 0.15);
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(88, 184, 203, 0.2);
    animation: pf-ai-fade-in-up 1s ease-out;
  }

  .pf-ai-browser-mockup::before {
    content: '';
    display: block;
    height: 40px;
    background: linear-gradient(to right, #f1f1f1, #e1e1e1);
    border-bottom: 1px solid rgba(0,0,0,0.1);
    position: relative;
  }

  .pf-ai-browser-mockup::after {
    content: '● ● ●';
    position: absolute;
    top: 12px;
    left: 15px;
    color: var(--pf-ai-muted);
    font-size: 8px;
    letter-spacing: 4px;
  }

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

  .pf-ai-narrative::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 20% 80%, rgba(60, 98, 137, 0.05) 0%, transparent 50%),
                      radial-gradient(circle at 80% 20%, rgba(88, 184, 203, 0.05) 0%, transparent 50%);
  }

  .pf-ai-narrative-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
    position: relative;
    z-index: 1;
  }

  .pf-ai-narrative h3 {
    color: var(--pf-ai-project-blue);
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
  }

  .pf-ai-narrative h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--pf-ai-agency-orange);
    border-radius: 2px;
  }

  .pf-ai-narrative p {
    color: var(--pf-ai-body);
    line-height: 1.8;
    font-size: 1.05rem;
  }

  .pf-ai-challenge-box {
    background: var(--pf-ai-white);
    padding: 30px;
    border-radius: var(--pf-ai-radius-lg);
    box-shadow: var(--pf-ai-shadow);
    height: 100%;
    border-left: 4px solid var(--pf-ai-agency-orange);
    transition: var(--pf-ai-transition);
  }

  .pf-ai-challenge-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--pf-ai-shadow-hover);
  }

  .pf-ai-solution-box {
    background: var(--pf-ai-white);
    padding: 30px;
    border-radius: var(--pf-ai-radius-lg);
    box-shadow: var(--pf-ai-shadow);
    height: 100%;
    border-left: 4px solid var(--pf-ai-agency-cyan);
    transition: var(--pf-ai-transition);
  }

  .pf-ai-solution-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--pf-ai-shadow-hover);
  }

  /* Color Palette */
  .pf-ai-colors {
    padding: 80px 0;
  }

  .pf-ai-colors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
  }

  .pf-ai-color-main {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 30px;
    background: linear-gradient(135deg, var(--pf-ai-project-blue), #2a4a66);
    padding: 40px;
    border-radius: var(--pf-ai-radius-lg);
    color: white;
    box-shadow: var(--pf-ai-shadow-hover);
    animation: pf-ai-fade-in-up 0.8s ease-out;
  }

  .pf-ai-swatch-large {
    width: 120px;
    height: 120px;
    background: var(--pf-ai-project-blue);
    border-radius: 50%;
    border: 4px solid rgba(255,255,255,0.3);
    box-shadow: 0 0 0 10px rgba(60, 98, 137, 0.1);
    flex-shrink: 0;
  }

  .pf-ai-color-info h4 {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
  }

  .pf-ai-color-info code {
    font-family: 'Roboto Mono', monospace;
    background: rgba(0,0,0,0.2);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
  }

  .pf-ai-accent-colors {
    display: flex;
    gap: 20px;
  }

  .pf-ai-accent-item {
    flex: 1;
    text-align: center;
    padding: 30px 20px;
    background: var(--pf-ai-white);
    border-radius: var(--pf-ai-radius-sm);
    box-shadow: var(--pf-ai-shadow);
    transition: var(--pf-ai-transition);
  }

  .pf-ai-accent-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--pf-ai-shadow-hover);
  }

  .pf-ai-accent-swatch {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin: 0 auto 15px;
  }

  .pf-ai-accent-orange .pf-ai-accent-swatch { background: var(--pf-ai-agency-orange); }
  .pf-ai-accent-cyan .pf-ai-accent-swatch { background: var(--pf-ai-agency-cyan); }

  /* Features */
  .pf-ai-features {
    padding: 40px 0 80px;
  }

  .pf-ai-features-header {
    text-align: center;
    margin-bottom: 50px;
  }

  .pf-ai-features-header h3 {
    font-size: 2rem;
    color: var(--pf-ai-dark);
  }

  .pf-ai-feature-card {
    background: var(--pf-ai-white);
    border-radius: var(--pf-ai-radius-lg);
    padding: 35px 30px;
    height: 100%;
    box-shadow: var(--pf-ai-shadow);
    transition: var(--pf-ai-transition);
    border: 1px solid transparent;
    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-project-blue), var(--pf-ai-agency-cyan));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease-out;
  }

  .pf-ai-feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(60, 98, 137, 0.15);
    border-color: rgba(88, 184, 203, 0.3);
  }

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

  .pf-ai-feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--pf-ai-light-blue), white);
    border-radius: var(--pf-ai-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--pf-ai-project-blue);
    font-size: 1.5rem;
    transition: var(--pf-ai-transition-fast);
  }

  .pf-ai-feature-card:hover .pf-ai-feature-icon {
    background: var(--pf-ai-project-blue);
    color: white;
    transform: scale(1.1) rotate(5deg);
  }

  .pf-ai-feature-card h4 {
    color: var(--pf-ai-dark);
    font-size: 1.15rem;
    margin-bottom: 12px;
    font-weight: 600;
  }

  .pf-ai-feature-card p {
    color: var(--pf-ai-body);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
  }

  /* Taxonomies */
  .pf-ai-taxonomies {
    background: var(--pf-ai-dark);
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    padding: 60px 0;
    position: relative;
  }

  .pf-ai-taxonomies-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
  }

  .pf-ai-taxonomies h4 {
    color: var(--pf-ai-white);
    font-family: 'Roboto Mono', monospace;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    opacity: 0.8;
  }

  /* Style for injected taxonomy lists */
  .pf-ai-taxonomies ul {
    list-style: none;
    padding: 0;
    margin: 0 0 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .pf-ai-taxonomies ul:last-child {
    margin-bottom: 0;
  }

  .pf-ai-taxonomies li {
    margin: 0;
  }

  .pf-ai-taxonomies a {
    display: inline-block;
    color: var(--pf-ai-white);
    text-decoration: none;
    padding: 8px 16px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--pf-ai-radius-xl);
    font-size: 0.9rem;
    transition: var(--pf-ai-transition-fast);
    border: 1px solid rgba(255,255,255,0.1);
  }

  .pf-ai-taxonomies a:hover {
    background: var(--pf-ai-agency-orange);
    border-color: var(--pf-ai-agency-orange);
    transform: translateY(-2px);
  }

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

  .pf-ai-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(88, 184, 203, 0.1) 0%, transparent 70%);
    animation: pf-ai-network-pulse 4s ease-in-out infinite;
  }

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

  .pf-ai-cta h2 {
    color: var(--pf-ai-white);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 300;
  }

  .pf-ai-cta h2 strong {
    font-weight: 700;
    color: var(--pf-ai-agency-cyan);
  }

  .pf-ai-cta p {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  .pf-ai-cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
  }

  .pf-ai-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: var(--pf-ai-radius-xl);
    font-weight: 500;
    text-decoration: none;
    transition: var(--pf-ai-transition-fast);
    border: none;
    cursor: pointer;
    font-size: 1rem;
  }

  .pf-ai-btn-primary {
    background: var(--pf-ai-agency-orange);
    color: white;
    box-shadow: 0 4px 15px rgba(243, 84, 30, 0.3);
  }

  .pf-ai-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(243, 84, 30, 0.4);
    background: #e04a18;
  }

  .pf-ai-btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.5);
  }

  .pf-ai-btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
    transform: translateY(-3px);
  }

  /* Responsive */
  @media (max-width: 1199px) {
    .pf-ai-hero .pf-ai-title { font-size: 3.5rem; }
    .pf-ai-narrative h3 { font-size: 1.5rem; }
  }

  @media (max-width: 991px) {
    .pf-ai-hero { padding: 100px 0 80px; }
    .pf-ai-hero .pf-ai-title { font-size: 3rem; }
    .pf-ai-section { padding: 60px 0; }
    .pf-ai-color-main { flex-direction: column; text-align: center; }
    .pf-ai-feature-card { margin-bottom: 20px; }
  }

  @media (max-width: 767px) {
    .pf-ai-hero .pf-ai-title { font-size: 2.5rem; }
    .pf-ai-hero .pf-ai-subtitle { font-size: 1.1rem; }
    .pf-ai-showcase-header h2 { font-size: 1.75rem; }
    .pf-ai-challenge-box, .pf-ai-solution-box { margin-bottom: 30px; height: auto; }
    .pf-ai-cta h2 { font-size: 2rem; }
    .pf-ai-btn { width: 100%; justify-content: center; }
  }

  @media (max-width: 575px) {
    .pf-ai-hero { padding: 80px 0 60px; }
    .pf-ai-hero .pf-ai-title { font-size: 2rem; }
    .pf-ai-shape-1 { width: 150px; height: 150px; }
    .pf-ai-shape-2 { width: 100px; height: 100px; }
    .pf-ai-accent-colors { flex-direction: column; }
    .pf-ai-taxonomies a { font-size: 0.85rem; padding: 6px 12px; }
  }