/* Base Styles & Animations */
  @keyframes pf-ai-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-25px) rotate(2deg); }
  }
  
  @keyframes pf-ai-float-reverse {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(25px) rotate(-2deg); }
  }
  
  @keyframes pf-ai-pulse-soft {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
  }
  
  @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(40px); }
    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-border-flow {
    0% { background-position: 0% 0%; }
    100% { background-position: 100% 100%; }
  }

  /* Hero Section */
  .pf-ai-hero {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    background: linear-gradient(135deg, rgba(78, 177, 221, 0.08) 0%, #ffffff 50%, rgba(202, 70, 10, 0.05) 100%);
    padding: 120px 0 100px;
    position: relative;
    overflow: hidden;
    margin-bottom: 80px;
  }
  
  .pf-ai-hero-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
    position: relative;
    z-index: 2;
  }
  
  .pf-ai-hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
  }
  
  .pf-ai-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
  }
  
  .pf-ai-shape-1 {
    width: 400px;
    height: 400px;
    background: #4eb1dd;
    top: -100px;
    right: -100px;
    animation: pf-ai-float 8s ease-in-out infinite;
  }
  
  .pf-ai-shape-2 {
    width: 300px;
    height: 300px;
    background: #ca460a;
    bottom: -50px;
    left: -50px;
    animation: pf-ai-float-reverse 10s ease-in-out infinite;
  }
  
  .pf-ai-shape-3 {
    width: 200px;
    height: 200px;
    background: #58b8cb;
    top: 50%;
    left: 30%;
    animation: pf-ai-pulse-soft 6s ease-in-out infinite;
  }
  
  .pf-ai-hero-content {
    animation: pf-ai-fade-in-up 1s ease-out;
  }
  
  .pf-ai-hero-label {
    font-family: 'Roboto Mono', monospace;
    color: #ca460a;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 20px;
    display: inline-block;
    position: relative;
    padding-left: 60px;
  }
  
  .pf-ai-hero-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 40px;
    height: 2px;
    background: #ca460a;
  }
  
  .pf-ai-hero-title {
    font-size: 52px;
    line-height: 1.1;
    color: #2e2e2e;
    margin-bottom: 20px;
    font-weight: 300;
    letter-spacing: -1px;
  }
  
  .pf-ai-hero-title span {
    color: #4eb1dd;
    font-weight: 700;
    position: relative;
    display: inline-block;
  }
  
  .pf-ai-hero-title span::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 12px;
    background: rgba(78, 177, 221, 0.2);
    z-index: -1;
  }
  
  .pf-ai-hero-year {
    font-family: 'Roboto Mono', monospace;
    display: inline-block;
    background: #2e2e2e;
    color: #ffffff;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    margin-top: 10px;
  }
  
  .pf-ai-hero-url {
    margin-top: 30px;
    font-family: 'Roboto Mono', monospace;
    font-size: 14px;
  }
  
  .pf-ai-hero-url a {
    color: #586782;
    text-decoration: none;
    border-bottom: 2px solid #4eb1dd;
    transition: all 0.3s ease-out;
    padding-bottom: 2px;
  }
  
  .pf-ai-hero-url a:hover {
    color: #4eb1dd;
    border-color: #ca460a;
  }

  /* Screenshot Section */
  .pf-ai-screenshot-section {
    margin-bottom: 100px;
  }
  
  .pf-ai-browser-mockup {
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(88, 184, 203, 0.15), 0 5px 20px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    border: 1px solid #eaf6f8;
    position: relative;
    animation: pf-ai-fade-in-up 1.2s ease-out 0.3s both;
  }
  
  .pf-ai-browser-header {
    background: linear-gradient(90deg, #f8f9fa 0%, #ffffff 100%);
    padding: 15px 20px;
    border-bottom: 1px solid #eaf6f8;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .pf-ai-browser-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
  }
  
  .pf-ai-browser-dot:nth-child(1) { background: #ca460a; }
  .pf-ai-browser-dot:nth-child(2) { background: #4eb1dd; }
  .pf-ai-browser-dot:nth-child(3) { background: #58b8cb; }
  
  .pf-ai-browser-content {
    background: #f8f9fa;
    line-height: 0;
  }

  /* Project Info Section */
  .pf-ai-info-section {
    margin-bottom: 100px;
  }
  
  .pf-ai-description {
    color: #586782;
    font-size: 17px;
    line-height: 1.8;
    column-count: 1;
  }
  
  .pf-ai-description p {
    margin-bottom: 24px;
  }
  
  .pf-ai-description strong {
    color: #2e2e2e;
    font-weight: 600;
  }
  
  .pf-ai-description em {
    color: #4eb1dd;
    font-style: normal;
    font-weight: 500;
  }
  
  .pf-ai-sidebar {
    padding-left: 30px;
    border-left: 3px solid #eaf6f8;
    animation: pf-ai-slide-in-left 0.8s ease-out 0.5s both;
  }
  
  .pf-ai-meta-block {
    margin-bottom: 40px;
  }
  
  .pf-ai-meta-title {
    font-family: 'Roboto Mono', monospace;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #949c9e;
    margin-bottom: 10px;
  }
  
  .pf-ai-meta-content {
    color: #2e2e2e;
    font-size: 16px;
    font-weight: 500;
  }
  
  .pf-ai-tag-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .pf-ai-tag-list li {
    margin: 0;
  }
  
  .pf-ai-tag-list a {
    display: inline-block;
    padding: 8px 16px;
    background: #ffffff;
    border: 2px solid #eaf6f8;
    border-radius: 25px;
    color: #586782;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.3s ease-out;
    font-family: 'Roboto Mono', monospace;
  }
  
  .pf-ai-tag-list a:hover {
    border-color: #4eb1dd;
    color: #4eb1dd;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(78, 177, 221, 0.15);
  }

  /* Color Palette Section */
  .pf-ai-colors-section {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    background: #2e2e2e;
    padding: 100px 0;
    margin-bottom: 100px;
    position: relative;
  }
  
  .pf-ai-colors-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
  }
  
  .pf-ai-colors-header {
    text-align: center;
    margin-bottom: 60px;
  }
  
  .pf-ai-colors-title {
    color: #ffffff;
    font-size: 36px;
    font-weight: 300;
    margin-bottom: 10px;
  }
  
  .pf-ai-colors-subtitle {
    color: #949c9e;
    font-family: 'Roboto Mono', monospace;
    font-size: 14px;
  }
  
  .pf-ai-color-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  
  .pf-ai-color-card {
    background: #ffffff;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.5s ease-out;
    position: relative;
  }
  
  .pf-ai-color-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  }
  
  .pf-ai-color-swatch {
    height: 200px;
    position: relative;
    overflow: hidden;
  }
  
  .pf-ai-color-swatch::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease-out;
  }
  
  .pf-ai-color-card:hover .pf-ai-color-swatch::before {
    transform: translateX(100%);
  }
  
  .pf-ai-color-blue { background: #4eb1dd; }
  .pf-ai-color-red { background: #ca460a; }
  
  .pf-ai-color-info {
    padding: 25px;
  }
  
  .pf-ai-color-name {
    font-size: 20px;
    color: #2e2e2e;
    margin-bottom: 5px;
    font-weight: 600;
  }
  
  .pf-ai-color-hex {
    font-family: 'Roboto Mono', monospace;
    color: #949c9e;
    font-size: 14px;
    cursor: pointer;
    transition: color 0.3s ease-out;
  }
  
  .pf-ai-color-card:hover .pf-ai-color-hex {
    color: #4eb1dd;
  }

  /* CTA Section */
  .pf-ai-cta-section {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    background: linear-gradient(135deg, #4eb1dd 0%, #58b8cb 100%);
    background-size: 200% 200%;
    animation: pf-ai-gradient-shift 8s ease infinite;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
  }
  
  .pf-ai-cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
  }
  
  .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 {
    color: #ffffff;
    font-size: 42px;
    font-weight: 300;
    margin-bottom: 20px;
    line-height: 1.2;
  }
  
  .pf-ai-cta-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.6;
  }
  
  .pf-ai-cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .pf-ai-btn {
    display: inline-block;
    padding: 18px 40px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease-out;
    border: none;
    cursor: pointer;
    font-family: 'Roboto', sans-serif;
  }
  
  .pf-ai-btn-primary {
    background: #ca460a;
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(202, 70, 10, 0.3);
  }
  
  .pf-ai-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(202, 70, 10, 0.4);
    background: #b33d09;
  }
  
  .pf-ai-btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
  }
  
  .pf-ai-btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: transform 0.3s ease-out;
  }
  
  .pf-ai-btn-secondary:hover::before {
    transform: translateX(0);
  }
  
  .pf-ai-btn-secondary:hover {
    border-color: #ffffff;
    transform: translateY(-3px);
  }

  /* Responsive */
  @media (max-width: 1199px) {
    .pf-ai-hero-title { font-size: 46px; }
    .pf-ai-cta-title { font-size: 38px; }
  }
  
  @media (max-width: 991px) {
    .pf-ai-hero { padding: 100px 0 80px; }
    .pf-ai-hero-title { font-size: 40px; }
    .pf-ai-sidebar { 
      padding-left: 0; 
      border-left: none; 
      border-top: 3px solid #eaf6f8;
      padding-top: 30px;
      margin-top: 40px;
    }
    .pf-ai-color-grid { gap: 20px; }
    .pf-ai-cta-title { font-size: 32px; }
  }
  
  @media (max-width: 767px) {
    .pf-ai-hero { padding: 80px 0 60px; }
    .pf-ai-hero-title { font-size: 32px; }
    .pf-ai-shape-1 { width: 250px; height: 250px; }
    .pf-ai-shape-2 { width: 200px; height: 200px; }
    .pf-ai-description { font-size: 16px; }
    .pf-ai-colors-section { padding: 60px 0; }
    .pf-ai-color-grid { grid-template-columns: 1fr; }
    .pf-ai-cta-section { padding: 60px 0; }
    .pf-ai-cta-title { font-size: 28px; }
    .pf-ai-cta-buttons { flex-direction: column; align-items: center; }
    .pf-ai-btn { width: 100%; max-width: 300px; }
  }
  
  @media (max-width: 575px) {
    .pf-ai-hero-label { font-size: 12px; letter-spacing: 2px; }
    .pf-ai-hero-title { font-size: 28px; }
    .pf-ai-hero-title span::after { height: 8px; bottom: 3px; }
    .pf-ai-browser-header { padding: 12px 15px; }
    .pf-ai-color-swatch { height: 150px; }
  }