.tool-hero {
      background: linear-gradient(160deg, #f0fdf4 0%, #e6f4ea 40%, #f4fbf7 100%);
      padding: 100px 0 60px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .tool-hero::before {
      content: '';
      position: absolute;
      top: -120px; left: -120px;
      width: 480px; height: 480px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(33,115,70,.14) 0%, transparent 70%);
      pointer-events: none;
    }
    .tool-hero::after {
      content: '';
      position: absolute;
      bottom: 0; right: -80px;
      width: 360px; height: 360px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(16,185,129,.10) 0%, transparent 70%);
      pointer-events: none;
    }
    .tool-hero__inner { position: relative; z-index: 1; }

    .tool-badge {
      display: inline-flex; align-items: center; gap: 6px;
      background: #e6f4ea; color: #137333;
      border: 1px solid #ceead6;
      border-radius: var(--radius-pill);
      padding: 6px 14px; font-size: 13px; font-weight: 600;
      margin-bottom: 20px;
    }
    .tool-badge__dot { width: 7px; height: 7px; border-radius: 50%; background: #217346; }

    .tool-hero h1 {
      font-size: clamp(2rem, 5.5vw, 3.5rem);
      font-weight: 900;
      line-height: 1.1;
      color: var(--gray-900);
      letter-spacing: -1.5px;
      margin-bottom: 18px;
    }
    .hero-gradient-green {
      background: linear-gradient(135deg, #137333, #217346);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .tool-hero p.subtitle {
      font-size: clamp(15px, 2.5vw, 18px);
      color: var(--gray-600);
      max-width: 600px;
      margin: 0 auto 28px;
      line-height: 1.65;
    }

    .trust-row {
      display: flex; flex-wrap: wrap; justify-content: center;
      gap: 10px; margin-bottom: 40px;
    }
    .trust-pill {
      display: inline-flex; align-items: center; gap: 6px;
      background: white; border: 1px solid var(--border);
      border-radius: var(--radius-pill);
      padding: 7px 14px; font-size: 13px; font-weight: 500; color: var(--gray-700);
      box-shadow: var(--shadow-sm);
    }
    .trust-pill svg { color: #217346; }

    /* Upload card overlap */
    .upload-card {
      background: white;
      border: 2px dashed #ceead6;
      border-radius: 24px;
      padding: 48px 32px;
      max-width: 620px;
      margin: 0 auto;
      transition: all 0.2s;
      box-shadow: 0 10px 40px rgba(33,115,70,.08);
    }
    .upload-card:hover, .upload-card.dragover {
      border-color: #217346;
      background: #f4fbf7;
    }
    
    .converter-container {
      max-width: 100%;
      margin: 0;
      padding: 0;
    }

    .upload-zone {
      background: transparent;
      border: none;
      padding: 0;
      text-align: center;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      cursor: pointer;
      position: relative;
      overflow: hidden;
      display: block;
      width: 100%;
    }

    .upload-zone:hover {
      transform: none;
      background: transparent;
    }

    .upload-zone.dragover {
      background: transparent;
      box-shadow: none;
    }

    .upload-icon {
      width: 80px;
      height: 80px;
      background: #f4fbf7;
      border-radius: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 24px;
      color: #217346;
      transition: transform 0.3s ease;
    }

    .upload-zone:hover .upload-icon {
      transform: scale(1.1) rotate(5deg);
    }

    .upload-title {
      font-size: 24px;
      font-weight: 800;
      color: var(--gray-900);
      margin-bottom: 12px;
    }

    .upload-sub {
      color: var(--text-muted);
      font-size: 16px;
    }

    .hidden-input {
      position: absolute;
      inset: 0;
      opacity: 0;
      cursor: pointer;
    }

    .processing-view,
    .result-view {
      display: none;
      flex-direction: column;
      align-items: center;
      padding: 20px 0;
      background: transparent;
      border-radius: 0;
      border: none;
      box-shadow: none;
      width: 100%;
    }
    /* --- Circular progress ring --- */
    .proc-ring-wrap {
      position: relative;
      width: 120px;
      height: 120px;
      margin-bottom: 20px;
    }
    .proc-ring { transform: rotate(-90deg); }
    .proc-ring__track {
      fill: none;
      stroke: #eef2f9;
      stroke-width: 8;
    }
    .proc-ring__fill {
      fill: none;
      stroke: #217346;
      stroke-width: 8;
      stroke-linecap: round;
      stroke-dasharray: 326.7;
      stroke-dashoffset: 326.7;
      transition: stroke-dashoffset 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .proc-ring__pct {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 28px;
      font-weight: 900;
      color: var(--gray-900);
      font-variant-numeric: tabular-nums;
    }
    .proc-ring__pct span {
      font-size: 16px;
      font-weight: 700;
      color: var(--gray-500);
      margin-left: 2px;
    }

    /* --- Stepper --- */
    .proc-steps {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0;
      margin: 4px 0 22px;
      width: 100%;
      max-width: 380px;
    }
    .proc-step {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
      flex-shrink: 0;
    }
    .proc-step__icon {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: #eef2f9;
      color: var(--gray-400);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
    }
    .proc-step span {
      font-size: 11px;
      font-weight: 700;
      color: var(--gray-400);
      text-transform: uppercase;
      letter-spacing: 0.04em;
      transition: color 0.3s ease;
    }
    .proc-step__line {
      flex: 1;
      height: 2px;
      background: #eef2f9;
      margin: 0 4px 18px;
      position: relative;
      overflow: hidden;
    }
    .proc-step__line::after {
      content: '';
      position: absolute;
      inset: 0;
      background: #217346;
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .proc-step__line.filled::after { transform: scaleX(1); }
    .proc-step.active .proc-step__icon {
      background: #217346;
      color: #fff;
      animation: procPulse 1.4s ease-in-out infinite;
    }
    .proc-step.active span { color: #217346; }
    .proc-step.done .proc-step__icon { background: #217346; color: #fff; }
    .proc-step.done span { color: var(--gray-700); }
    @keyframes procPulse {
      0%, 100% { box-shadow: 0 0 0 0 rgba(33, 115, 70, 0.35); }
      50% { box-shadow: 0 0 0 6px rgba(33, 115, 70, 0); }
    }

    .status-text {
      font-size: 16px;
      font-weight: 600;
      color: var(--gray-700);
    }

    .result-icon {
      width: 90px;
      height: 90px;
      background: #e6f4ea;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #137333;
      margin-bottom: 24px;
    }

    .result-actions {
      display: flex;
      flex-direction: column;
      gap: 12px;
      width: 100%;
      max-width: 340px;
      margin-top: 24px;
    }

    /* Features Section */
    .features-strip {
      background: var(--gray-900);
      padding: 40px 0;
    }
    .features-strip__grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .feature-item {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .feature-item__icon {
      width: 44px;
      height: 44px;
      background: rgba(33,115,70,.15);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #81c784;
      flex-shrink: 0;
    }
    .feature-item h4 {
      font-size: 15px;
      font-weight: 700;
      color: white;
      margin-bottom: 4px;
    }
    .feature-item p {
      font-size: 13px;
      color: rgba(255,255,255,0.6);
      margin: 0;
    }

    @media (max-width: 900px) {
      .features-strip__grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 600px) {
      .features-strip__grid { grid-template-columns: 1fr; }
    }

    /* Tabbed Showcase */
    .showcase-section {
      padding: 80px 0;
      background: white;
    }
    .section-label {
      display: inline-block;
      font-size: 12px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: #217346;
      margin-bottom: 12px;
    }
    .showcase-header {
      text-align: center;
      margin-bottom: 48px;
    }
    .showcase-header h2 {
      font-size: 36px;
      font-weight: 800;
      color: var(--gray-900);
      margin-bottom: 16px;
    }
    .showcase-grid {
      display: grid;
      grid-template-columns: 320px 1fr;
      gap: 40px;
      align-items: center;
      max-width: 1000px;
      margin: 0 auto;
    }
    .showcase-tabs {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .sc-tab {
      padding: 20px;
      border-radius: 16px;
      border: 2px solid transparent;
      background: var(--gray-50);
      cursor: pointer;
      text-align: left;
      transition: all 0.2s;
    }
    .sc-tab:hover {
      background: var(--gray-100);
    }
    .sc-tab.active {
      background: white;
      border-color: #217346;
      box-shadow: var(--shadow-md);
    }
    .sc-tab h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--gray-900);
      margin-bottom: 6px;
    }
    .sc-tab.active h3 {
      color: #137333;
    }
    .sc-tab p {
      font-size: 13px;
      color: var(--gray-500);
      margin: 0;
      line-height: 1.5;
    }
    .showcase-visual {
      background: var(--gray-50);
      border-radius: 24px;
      padding: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      aspect-ratio: 1.6;
      position: relative;
      overflow: hidden;
      border: 1px solid var(--border);
    }
    .showcase-visual img {
      position: absolute;
      top: 0; left: 0; width: 100%; height: 100%; object-fit: contain;
      opacity: 0;
      transition: opacity 0.3s ease;
    }
    .showcase-visual img.active {
      opacity: 1;
    }

    @media (max-width: 900px) {
      .showcase-grid { grid-template-columns: 1fr; }
      .showcase-tabs { flex-direction: row; overflow-x: auto; padding-bottom: 8px; }
      .sc-tab { min-width: 250px; }
    }

    /* How It Works */
    .how-section {
      padding: 80px 0;
      background: var(--gray-50);
    }
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 48px;
    }
    .step-card {
      background: white;
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 32px 24px;
      position: relative;
      transition: all 0.2s;
    }
    .step-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .step-num {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: #e6f4ea;
      color: #217346;
      font-size: 18px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }
    .step-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--gray-900);
      margin-bottom: 8px;
    }
    .step-card p {
      font-size: 14px;
      color: var(--gray-500);
      line-height: 1.6;
      margin: 0;
    }

    @media (max-width: 768px) {
      .steps-grid { grid-template-columns: 1fr; }
    }

    /* Use Cases */
    .usecase-section {
      padding: 80px 0;
      background: white;
    }
    .usecase-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 48px;
    }
    .usecase-card {
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 32px 24px;
      transition: all 0.2s;
    }
    .usecase-card:hover {
      box-shadow: var(--shadow-md);
    }
    .usecase-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }
    .usecase-card h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--gray-900);
      margin-bottom: 8px;
    }
    .usecase-card p {
      font-size: 14px;
      color: var(--gray-500);
      line-height: 1.6;
      margin: 0;
    }

    @media (max-width: 768px) {
      .usecase-grid { grid-template-columns: 1fr; }
    }

    /* SEO Prose */
    .prose-section {
      padding: 80px 0;
      background: var(--gray-50);
      border-top: 1px solid var(--border);
    }
    .prose-wrap {
      max-width: 800px;
      margin: 0 auto;
    }
    .prose-wrap h2 {
      font-size: 30px;
      font-weight: 800;
      color: var(--gray-900);
      margin-bottom: 20px;
    }
    .prose-wrap h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--gray-800);
      margin-top: 32px;
      margin-bottom: 12px;
    }
    .prose-wrap p {
      font-size: 15px;
      color: var(--gray-600);
      line-height: 1.75;
      margin-bottom: 16px;
    }

    /* FAQ */
    .faq-section {
      padding: 80px 0;
      background: white;
    }
    .faq-header {
      text-align: center;
      margin-bottom: 48px;
    }
    .faq-header h2 {
      font-size: 32px;
      font-weight: 800;
      color: var(--gray-900);
      margin-bottom: 12px;
    }
    .faq-header p.subtitle {
      font-size: 16px;
      color: var(--gray-500);
    }
    .faq-container {
      max-width: 800px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: white;
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.2s ease;
    }
    .faq-item:hover {
      border-color: #217346;
      box-shadow: var(--shadow-md);
    }
    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      color: var(--gray-900);
      font-size: 16px;
      user-select: none;
    }
    .faq-answer {
      padding: 0 24px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      color: var(--gray-600);
      font-size: 15px;
      line-height: 1.6;
    }
    .faq-item.active .faq-answer {
      padding: 0 24px 20px 24px;
      max-height: 200px;
    }
    .faq-chevron {
      transition: transform 0.3s ease;
      color: var(--gray-400);
      flex-shrink: 0;
      margin-left: 12px;
    }
    .faq-item.active .faq-chevron {
      transform: rotate(180deg);
      color: #217346;
    }

    @media (max-width: 480px) {
      .faq-question { padding: 16px; font-size: 15px; }
      .faq-answer { padding: 0 16px; }
      .faq-item.active .faq-answer { padding: 0 16px 16px 16px; }
    }

    /* CTA Section Styling */
    .cta-band {
      padding: 80px 24px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .cta-band::before {
      content: '';
      position: absolute;
      inset: 0;
      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='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
      pointer-events: none;
    }
    .cta-band h2 {
      font-size: clamp(24px, 4vw, 36px) !important;
      font-weight: 800 !important;
      color: white !important;
      margin-bottom: 16px !important;
      position: relative;
      z-index: 1;
    }
    .cta-band p {
      font-size: 16px !important;
      color: rgba(255, 255, 255, 0.9) !important;
      margin-bottom: 32px !important;
      position: relative;
      z-index: 1;
    }
    .cta-band .btn {
      position: relative;
      z-index: 1;
    }