/* Base & Reset */
  .pf-ai-section {
    position: relative;
    padding: 100px 0;
  }
  
  /* Full-width breakout technique */
  .pf-ai-section-full {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
  }
  
  .pf-ai-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
    position: relative;
    z-index: 2;
  }
  
  /* Typography */
  .pf-ai-section-title {
    font-family: 'Roboto', sans-serif;
    color: #2e2e2e;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 20px;
    line-height: 1.2;
  }
  
  .pf-ai-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, #e40422, #f3541e);
    border-radius: 2px;
  }
  
  /* Hero Section */
  .pf-ai-hero {
    background: linear-gradient(135deg, #e40422 0%, #f3541e 50%, #58b8cb 100%);
    background-size: 300% 300%;
    animation: pf-ai-gradient-shift 12s ease infinite;
    padding: 140px 0 180px;
    overflow: hidden;
  }
  
  @keyframes pf-ai-gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }
  
  .pf-ai-hero-year {
    font-family: 'Roboto Mono', monospace;
    color: rgba(255,255,255,0.9);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 4px;
    display: inline-block;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.4);
    padding: 10px 20px;
    border-radius: 25px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
  }
  
  .pf-ai-hero-title {
    font-family: 'Roboto', sans-serif;
    color: #ffffff;
    font-size: 64px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    text-shadow: 0 4px 30px rgba(0,0,0,0.2);
  }
  
  .pf-ai-hero-subtitle {
    font-family: 'Roboto', sans-serif;
    color: rgba(255,255,255,0.95);
    font-size: 24px;
    line-height: 1.6;
    max-width: 700px;
    font-weight: 300;
    margin-bottom: 40px;
  }
  
  .pf-ai-hero-quote {
    font-family: 'Roboto', sans-serif;
    color: #ffffff;
    font-size: 20px;
    font-style: italic;
    border-left: 3px solid rgba(255,255,255,0.6);
    padding-left: 24px;
    max-width: 600px;
    opacity: 0.95;
  }
  
  /* Floating decorative elements */
  .pf-ai-hero-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    animation: pf-ai-float 8s ease-in-out infinite;
    border: 1px solid rgba(255,255,255,0.15);
  }
  
  .pf-ai-shape-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    animation-delay: 0s;
  }
  
  .pf-ai-shape-2 {
    width: 250px;
    height: 250px;
    bottom: 10%;
    right: 15%;
    animation-delay: -4s;
    background: rgba(88, 184, 203, 0.15);
  }
  
  .pf-ai-shape-3 {
    width: 150px;
    height: 150px;
    top: 40%;
    right: 35%;
    animation-delay: -2s;
    border: 2px solid rgba(255,255,255,0.2);
    background: transparent;
  }
  
  @keyframes pf-ai-float {
    0%, 100% { transform: translateY(0) rotate(0deg) scale(1); }
    50% { transform: translateY(-30px) rotate(10deg) scale(1.05); }
  }
  
  /* Screenshot Section */
  .pf-ai-screenshot-section {
    margin-top: -100px;
    padding: 0 0 100px;
    z-index: 10;
  }
  
  .pf-ai-browser-mockup {
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 30px 80px rgba(88, 184, 203, 0.25), 0 10px 30px rgba(0,0,0,0.1);
    padding: 50px 20px 20px;
    position: relative;
    border: 1px solid #eaf6f8;
    animation: pf-ai-fade-up 1s ease-out;
  }
  
  .pf-ai-browser-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    background: linear-gradient(to right, #f8fdfe, #eaf6f8);
    border-radius: 10px 10px 0 0;
    border-bottom: 1px solid rgba(88, 184, 203, 0.2);
  }
  
  .pf-ai-browser-mockup::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 25px;
    width: 12px;
    height: 12px;
    background: #f3541e;
    border-radius: 50%;
    box-shadow: 20px 0 0 #f5b041, 40px 0 0 #58b8cb;
  }
  
  @keyframes pf-ai-fade-up {
    from {
      opacity: 0;
      transform: translateY(40px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* Info Section */
  .pf-ai-info-section {
    background: #ffffff;
  }
  
  .pf-ai-info-text {
    font-family: 'Roboto', sans-serif;
    color: #586782;
    font-size: 17px;
    line-height: 1.9;
    margin-bottom: 30px;
  }
  
  .pf-ai-info-text strong {
    color: #2e2e2e;
    font-weight: 600;
  }
  
  .pf-ai-info-text em {
    color: #e40422;
    font-style: normal;
    font-weight: 600;
  }
  
  .pf-ai-solution-list {
    list-style: none;
    padding: 0;
    margin: 30px 0;
  }
  
  .pf-ai-solution-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 16px;
    color: #586782;
    font-size: 17px;
    line-height: 1.6;
  }
  
  .pf-ai-solution-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #e40422;
    font-weight: 700;
    font-family: 'Roboto Mono', monospace;
  }
  
  .pf-ai-meta-wrapper {
    background: linear-gradient(135deg, #eaf6f8 0%, #f8fdfe 100%);
    border-radius: 10px;
    padding: 40px;
    position: sticky;
    top: 40px;
    border: 1px solid rgba(88, 184, 203, 0.2);
    box-shadow: 0 2px 15px rgba(88, 184, 203, 0.1);
  }
  
  .pf-ai-meta-wrapper h4 {
    font-family: 'Roboto Mono', monospace;
    color: #2e2e2e;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 15px;
    margin-top: 30px;
    font-weight: 600;
  }
  
  .pf-ai-meta-wrapper 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 {
    display: inline-block;
    padding: 8px 16px;
    background: #ffffff;
    color: #58b8cb;
    text-decoration: none;
    border-radius: 25px;
    font-size: 14px;
    font-family: 'Roboto', sans-serif;
    transition: all 0.3s ease-out;
    border: 1px solid #58b8cb;
    font-weight: 500;
  }
  
  .pf-ai-tag-list a:hover {
    background: #58b8cb;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(88, 184, 203, 0.3);
    text-decoration: none;
  }
  
  /* Colors Section */
  .pf-ai-colors-section {
    background: #eaf6f8;
  }
  
  .pf-ai-color-card {
    background: #ffffff;
    border-radius: 10px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 2px 15px rgba(88, 184, 203, 0.1);
    transition: all 0.5s ease-out;
    border: 1px solid rgba(88, 184, 203, 0.1);
    height: 100%;
  }
  
  .pf-ai-color-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 50px rgba(88, 184, 203, 0.2);
  }
  
  .pf-ai-color-swatch {
    width: 100%;
    height: 140px;
    border-radius: 6px;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  }
  
  .pf-ai-color-swatch::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255,255,255,0.4) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: all 0.6s ease-out;
  }
  
  .pf-ai-color-card:hover .pf-ai-color-swatch::after {
    width: 300px;
    height: 300px;
  }
  
  .pf-ai-color-card h4 {
    font-family: 'Roboto', sans-serif;
    color: #2e2e2e;
    font-size: 20px;
    margin-bottom: 10px;
    font-weight: 600;
  }
  
  .pf-ai-color-card code {
    font-family: 'Roboto Mono', monospace;
    color: #949c9e;
    font-size: 14px;
    background: #f5f5f5;
    padding: 6px 12px;
    border-radius: 4px;
    display: inline-block;
  }
  
  /* Features Section */
  .pf-ai-features-section {
    background: #ffffff;
  }
  
  .pf-ai-feature-card {
    background: #ffffff;
    border: 1px solid #eaf6f8;
    border-radius: 10px;
    padding: 50px 30px;
    height: 100%;
    transition: all 0.5s ease-out;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(88, 184, 203, 0.05);
  }
  
  .pf-ai-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, #e40422, #f3541e);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease-out;
  }
  
  .pf-ai-feature-card:hover {
    border-color: #58b8cb;
    box-shadow: 0 15px 50px rgba(88, 184, 203, 0.15);
    transform: translateY(-8px);
  }
  
  .pf-ai-feature-card:hover::before {
    transform: scaleX(1);
  }
  
  .pf-ai-feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #ffffff 0%, #eaf6f8 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    font-size: 32px;
    color: #e40422;
    border: 3px solid #e40422;
    transition: all 0.4s ease-out;
    position: relative;
    z-index: 2;
  }
  
  .pf-ai-feature-card:hover .pf-ai-feature-icon {
    background: #e40422;
    color: #ffffff;
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 8px 25px rgba(228, 4, 34, 0.3);
  }
  
  .pf-ai-feature-card h4 {
    font-family: 'Roboto', sans-serif;
    color: #2e2e2e;
    font-size: 22px;
    margin-bottom: 16px;
    font-weight: 600;
  }
  
  .pf-ai-feature-card p {
    font-family: 'Roboto', sans-serif;
    color: #586782;
    font-size: 16px;
    line-height: 1.7;
    margin: 0;
  }
  
  /* CTA Section */
  .pf-ai-cta-section {
    background: #2e2e2e;
    text-align: center;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
  }
  
  .pf-ai-cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(228,4,34,0.15) 0%, transparent 60%);
    animation: pf-ai-pulse-bg 8s ease-in-out infinite;
  }
  
  @keyframes pf-ai-pulse-bg {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.2); opacity: 0.9; }
  }
  
  .pf-ai-cta-content {
    position: relative;
    z-index: 2;
  }
  
  .pf-ai-cta-content h2 {
    font-family: 'Roboto', sans-serif;
    color: #ffffff;
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
  }
  
  .pf-ai-cta-content p {
    font-family: 'Roboto', sans-serif;
    color: #949c9e;
    font-size: 20px;
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .pf-ai-cta-buttons {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .pf-ai-btn-primary {
    display: inline-block;
    padding: 20px 48px;
    background: linear-gradient(135deg, #e40422 0%, #f3541e 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 25px;
    font-family: 'Roboto', sans-serif;
    font-weight: 600;
    font-size: 17px;
    transition: all 0.3s ease-out;
    border: 2px solid transparent;
    box-shadow: 0 4px 20px rgba(228,4,34,0.4);
    cursor: pointer;
    border: none;
  }
  
  .pf-ai-btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(228,4,34,0.5);
    color: #ffffff;
    text-decoration: none;
  }
  
  .pf-ai-btn-secondary {
    display: inline-block;
    padding: 20px 48px;
    background: transparent;
    color: #ffffff;
    border: 2px solid #58b8cb;
    border-radius: 25px;
    font-family: 'Roboto', sans-serif;
    font-weight: 600;
    font-size: 17px;
    cursor: pointer;
    transition: all 0.3s ease-out;
  }
  
  .pf-ai-btn-secondary:hover {
    background: #58b8cb;
    color: #ffffff;
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(88,184,203,0.3);
  }
  
  /* Responsive */
  @media (max-width: 1199px) {
    .pf-ai-hero-title { font-size: 56px; }
    .pf-ai-section { padding: 80px 0; }
  }
  
  @media (max-width: 991px) {
    .pf-ai-hero { padding: 120px 0 150px; }
    .pf-ai-hero-title { font-size: 48px; }
    .pf-ai-hero-subtitle { font-size: 22px; }
    .pf-ai-section-title { font-size: 36px; }
    .pf-ai-cta-content h2 { font-size: 40px; }
    .pf-ai-meta-wrapper { margin-top: 50px; position: relative; top: 0; }
    .pf-ai-feature-card { margin-bottom: 30px; }
  }
  
  @media (max-width: 767px) {
    .pf-ai-hero-title { font-size: 40px; }
    .pf-ai-hero-subtitle { font-size: 20px; }
    .pf-ai-section { padding: 60px 0; }
    .pf-ai-section-title { font-size: 32px; margin-bottom: 40px; }
    .pf-ai-browser-mockup { padding-top: 40px; }
    .pf-ai-browser-mockup::before { height: 40px; }
    .pf-ai-browser-mockup::after { top: 15px; }
    .pf-ai-cta-content h2 { font-size: 34px; }
    .pf-ai-cta-buttons { flex-direction: column; align-items: stretch; }
    .pf-ai-btn-primary, .pf-ai-btn-secondary { width: 100%; text-align: center; }
  }
  
  @media (max-width: 575px) {
    .pf-ai-hero { padding: 100px 0 120px; }
    .pf-ai-hero-title { font-size: 32px; }
    .pf-ai-hero-subtitle { font-size: 18px; }
    .pf-ai-hero-year { font-size: 12px; padding: 8px 16px; }
    .pf-ai-section-title { font-size: 28px; }
    .pf-ai-info-text { font-size: 16px; }
    .pf-ai-cta-section { padding: 80px 0; }
    .pf-ai-cta-content h2 { font-size: 28px; }
    .pf-ai-cta-content p { font-size: 18px; }
    .pf-ai-color-card { margin-bottom: 20px; }
  }