/* Base Styles & CSS Variables */
  :root {
    --pf-ai-dark-blue: #1f4e9b;
    --pf-ai-light-blue: #d5d9ec;
    --pf-ai-orange: #f3541e;
    --pf-ai-cyan: #58b8cb;
    --pf-ai-white: #ffffff;
    --pf-ai-light-bg: #eaf6f8;
    --pf-ai-dark: #2e2e2e;
    --pf-ai-body: #586782;
    --pf-ai-muted: #949c9e;
  }

  /* 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-fade-in-up {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

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

  @keyframes pf-ai-line-draw {
    from { width: 0; }
    to { width: 100px; }
  }

  @keyframes pf-ai-subtle-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
  }

  /* Utility Classes */
  .pf-ai-font-mono {
    font-family: 'Roboto Mono', monospace;
  }

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

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

  .pf-ai-hero-badge {
    display: inline-block;
    font-family: 'Roboto Mono', monospace;
    font-size: 14px;
    color: var(--pf-ai-dark-blue);
    border: 2px solid var(--pf-ai-dark-blue);
    padding: 8px 20px;
    border-radius: 25px;
    margin-bottom: 30px;
    animation: pf-ai-fade-in-up 0.8s ease-out forwards;
    opacity: 0;
    animation-delay: 0.2s;
  }

  .pf-ai-hero-title {
    font-family: 'Roboto', sans-serif;
    font-size: 48px;
    font-weight: 700;
    color: var(--pf-ai-dark-blue);
    line-height: 1.2;
    margin-bottom: 20px;
    animation: pf-ai-fade-in-up 0.8s ease-out forwards;
    opacity: 0;
    animation-delay: 0.4s;
  }

  .pf-ai-hero-subtitle {
    font-family: 'Roboto', sans-serif;
    font-size: 20px;
    color: var(--pf-ai-body);
    max-width: 600px;
    line-height: 1.6;
    animation: pf-ai-fade-in-up 0.8s ease-out forwards;
    opacity: 0;
    animation-delay: 0.6s;
  }

  .pf-ai-hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
  }

  .pf-ai-hero-shape-1 {
    width: 300px;
    height: 300px;
    background: var(--pf-ai-dark-blue);
    top: -100px;
    right: 10%;
    animation: pf-ai-float 6s ease-in-out infinite;
  }

  .pf-ai-hero-shape-2 {
    width: 150px;
    height: 150px;
    background: var(--pf-ai-cyan);
    bottom: 50px;
    right: 20%;
    animation: pf-ai-float-reverse 8s ease-in-out infinite;
  }

  .pf-ai-hero-line {
    position: absolute;
    width: 2px;
    height: 200px;
    background: linear-gradient(to bottom, var(--pf-ai-dark-blue), transparent);
    left: 5%;
    top: 50%;
    animation: pf-ai-fade-in-up 1s ease-out forwards;
    opacity: 0;
    animation-delay: 1s;
  }

  /* Screenshot Section */
  .pf-ai-screenshot-section {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    background: var(--pf-ai-dark-blue);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
  }

  .pf-ai-screenshot-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
      linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: pf-ai-subtle-rotate 120s linear infinite;
  }

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

  .pf-ai-screenshot-wrapper {
    position: relative;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    transform: perspective(1000px) rotateY(-2deg) rotateX(2deg);
    transition: all 0.5s ease-out;
    background: var(--pf-ai-white);
    padding: 10px;
  }

  .pf-ai-screenshot-wrapper:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateY(-10px);
    box-shadow: 0 30px 80px rgba(0,0,0,0.4);
  }

  .pf-ai-screenshot-label {
    position: absolute;
    top: -40px;
    left: 0;
    font-family: 'Roboto Mono', monospace;
    color: var(--pf-ai-cyan);
    font-size: 14px;
    letter-spacing: 2px;
  }

  /* Project Info Section */
  .pf-ai-info-section {
    padding: 100px 0;
    background: var(--pf-ai-white);
  }

  .pf-ai-info-grid {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
  }

  .pf-ai-info-col {
    padding: 0 15px;
    width: 100%;
  }

  .pf-ai-info-col-main {
    flex: 0 0 66.666%;
    max-width: 66.666%;
  }

  .pf-ai-info-col-side {
    flex: 0 0 33.333%;
    max-width: 33.333%;
  }

  .pf-ai-section-label {
    font-family: 'Roboto Mono', monospace;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--pf-ai-cyan);
    margin-bottom: 20px;
    display: block;
  }

  .pf-ai-section-title {
    font-family: 'Roboto', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--pf-ai-dark);
    margin-bottom: 30px;
    position: relative;
    display: inline-block;
  }

  .pf-ai-section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--pf-ai-orange);
    animation: pf-ai-line-draw 1s ease-out forwards;
    animation-delay: 0.5s;
  }

  .pf-ai-description {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--pf-ai-body);
    margin-bottom: 20px;
  }

  .pf-ai-description strong {
    color: var(--pf-ai-dark-blue);
    font-weight: 600;
  }

  .pf-ai-meta-box {
    background: var(--pf-ai-light-bg);
    border-radius: 10px;
    padding: 40px;
    position: sticky;
    top: 30px;
  }

  .pf-ai-meta-item {
    margin-bottom: 25px;
  }

  .pf-ai-meta-label {
    font-family: 'Roboto Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--pf-ai-muted);
    margin-bottom: 8px;
    display: block;
  }

  .pf-ai-meta-value {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    color: var(--pf-ai-dark);
    font-weight: 600;
  }

  .pf-ai-meta-value a {
    color: var(--pf-ai-dark-blue);
    text-decoration: none;
    border-bottom: 2px solid var(--pf-ai-cyan);
    transition: all 0.3s ease-out;
  }

  .pf-ai-meta-value a:hover {
    color: var(--pf-ai-cyan);
    border-color: var(--pf-ai-dark-blue);
  }

  /* Tags Styling */
  .pf-ai-tags-wrapper {
    margin-top: 30px;
  }

  .pf-ai-tags-wrapper h4 {
    font-family: 'Roboto Mono', monospace;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--pf-ai-muted);
    margin: 20px 0 10px;
  }

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

  .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;
    font-family: 'Roboto', sans-serif;
    font-size: 13px;
    color: var(--pf-ai-dark-blue);
    background: rgba(31, 78, 155, 0.1);
    padding: 6px 14px;
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s ease-out;
    border: 1px solid transparent;
  }

  .pf-ai-tag-list a:hover {
    background: var(--pf-ai-dark-blue);
    color: var(--pf-ai-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(31, 78, 155, 0.3);
  }

  /* Color Palette Section */
  .pf-ai-colors-section {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    background: var(--pf-ai-light-bg);
    padding: 100px 0;
  }

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

  .pf-ai-colors-grid {
    display: grid;
    grid-template-columns: 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;
    position: relative;
  }

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

  .pf-ai-color-swatch {
    height: 200px;
    position: relative;
    overflow: hidden;
  }

  .pf-ai-color-swatch-dark {
    background: var(--pf-ai-dark-blue);
  }

  .pf-ai-color-swatch-light {
    background: var(--pf-ai-light-blue);
  }

  .pf-ai-color-hex {
    position: absolute;
    bottom: 20px;
    left: 20px;
    font-family: 'Roboto Mono', monospace;
    font-size: 18px;
    background: rgba(255,255,255,0.9);
    padding: 10px 20px;
    border-radius: 6px;
    color: var(--pf-ai-dark);
  }

  .pf-ai-color-info {
    padding: 30px;
  }

  .pf-ai-color-name {
    font-family: 'Roboto', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--pf-ai-dark);
    margin-bottom: 10px;
  }

  .pf-ai-color-desc {
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    color: var(--pf-ai-body);
    line-height: 1.6;
  }

  /* Features Section */
  .pf-ai-features-section {
    padding: 100px 0;
    background: var(--pf-ai-white);
  }

  .pf-ai-features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 50px;
  }

  .pf-ai-feature-card {
    background: var(--pf-ai-white);
    border: 1px solid rgba(31, 78, 155, 0.1);
    border-radius: 10px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: all 0.5s ease-out;
  }

  .pf-ai-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--pf-ai-cyan);
    transform: scaleY(0);
    transition: transform 0.3s ease-out;
  }

  .pf-ai-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(88, 184, 203, 0.15);
    border-color: rgba(88, 184, 203, 0.3);
  }

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

  .pf-ai-feature-number {
    font-family: 'Roboto Mono', monospace;
    font-size: 48px;
    font-weight: 700;
    color: rgba(31, 78, 155, 0.1);
    position: absolute;
    top: 20px;
    right: 30px;
    line-height: 1;
  }

  .pf-ai-feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--pf-ai-light-blue) 0%, var(--pf-ai-white) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
  }

  .pf-ai-feature-icon::after {
    content: '';
    width: 20px;
    height: 20px;
    background: var(--pf-ai-dark-blue);
    border-radius: 50%;
    animation: pf-ai-pulse 2s ease-in-out infinite;
  }

  .pf-ai-feature-title {
    font-family: 'Roboto', sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--pf-ai-dark);
    margin-bottom: 15px;
  }

  .pf-ai-feature-text {
    font-family: 'Roboto', sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--pf-ai-body);
  }

  /* CTA Section */
  .pf-ai-cta-section {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    background: linear-gradient(135deg, var(--pf-ai-dark-blue) 0%, var(--pf-ai-cyan) 100%);
    background-size: 200% 200%;
    animation: pf-ai-gradient-shift 10s ease infinite;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
  }

  .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);
    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;
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    font-weight: 600;
    padding: 18px 40px;
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s ease-out;
    border: 2px solid transparent;
    cursor: pointer;
  }

  .pf-ai-btn-primary {
    background: var(--pf-ai-orange);
    color: var(--pf-ai-white);
    box-shadow: 0 4px 20px rgba(243, 84, 30, 0.4);
  }

  .pf-ai-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(243, 84, 30, 0.6);
    background: #e04a1a;
  }

  .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: rgba(255,255,255,0.1);
    border-color: var(--pf-ai-white);
    transform: translateY(-3px);
  }

  .pf-ai-cta-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
  }

  .pf-ai-cta-shape-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    left: -100px;
  }

  .pf-ai-cta-shape-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    right: -50px;
  }

  /* Responsive Styles */
  @media (min-width: 576px) {
    .pf-ai-colors-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 768px) {
    .pf-ai-hero-title {
      font-size: 56px;
    }
    
    .pf-ai-features-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .pf-ai-cta-title {
      font-size: 48px;
    }
  }

  @media (min-width: 992px) {
    .pf-ai-info-col-main {
      flex: 0 0 66.666%;
      max-width: 66.666%;
    }
    
    .pf-ai-info-col-side {
      flex: 0 0 33.333%;
      max-width: 33.333%;
    }
    
    .pf-ai-features-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }

  @media (max-width: 991px) {
    .pf-ai-info-col-main,
    .pf-ai-info-col-side {
      flex: 0 0 100%;
      max-width: 100%;
    }
    
    .pf-ai-info-col-side {
      margin-top: 40px;
    }
    
    .pf-ai-meta-box {
      position: relative;
      top: 0;
    }
  }

  @media (max-width: 767px) {
    .pf-ai-hero {
      padding: 80px 0 60px;
    }
    
    .pf-ai-hero-title {
      font-size: 36px;
    }
    
    .pf-ai-hero-subtitle {
      font-size: 18px;
    }
    
    .pf-ai-section-title {
      font-size: 28px;
    }
    
    .pf-ai-screenshot-section {
      padding: 60px 0;
    }
    
    .pf-ai-cta-title {
      font-size: 32px;
    }
    
    .pf-ai-cta-section {
      padding: 80px 0;
    }
  }

  @media (max-width: 575px) {
    .pf-ai-hero-title {
      font-size: 32px;
    }
    
    .pf-ai-feature-card {
      padding: 30px;
    }
    
    .pf-ai-btn {
      width: 100%;
      text-align: center;
    }
  }