.tool-hero {
      background: linear-gradient(160deg, #f0fdf4 0%, #dcfce7 40%, #f0fdf4 100%);
      padding: 100px 0 0;
      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(34,197,94,.16) 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(34,197,94,.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: var(--green-100); color: var(--green-700);
      border: 1px solid #bbf7d0;
      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: var(--green-500); }

    .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-purple {
      background: linear-gradient(135deg, #15803d, #22c55e);
      -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: var(--green-500); }

    /* Upload card */
    .upload-card {
      background: white;
      border: 2px dashed #86efac;
      border-radius: 24px 24px 0 0;
      padding: 48px 32px;
      max-width: 620px;
      margin: 0 auto;
      cursor: pointer;
      transition: all 0.2s;
      box-shadow: 0 -4px 32px rgba(34,197,94,.10);
    }
    .upload-card:hover, .upload-card.dragover {
      border-color: var(--green-500);
      background: var(--green-50);
    }
    .upload-icon-wrap {
      width: 72px; height: 72px;
      background: var(--green-100); border-radius: 20px;
      display: flex; align-items: center; justify-content: center;
      margin: 0 auto 20px; color: var(--green-600);
    }
    .upload-card h2 { font-size: 20px; font-weight: 700; color: var(--gray-900); margin-bottom: 6px; }
    .upload-card p { font-size: 14px; color: var(--gray-500); margin-bottom: 24px; }
    .upload-or { font-size: 13px; color: var(--gray-400); margin: 16px 0; }
    .upload-hint { font-size: 12px; color: var(--gray-400); margin-top: 16px; }
    .upload-hint strong { color: var(--green-600); }
    .btn--purple {
      background: var(--green-600); color: white;
      border-color: var(--green-600);
    }
    .btn--purple:hover { background: var(--green-700); border-color: var(--green-700); }

    /* Features strip */
    .features-strip {
      background: var(--gray-900);
      padding: 32px 0;
    }
    .features-strip__grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
    }
    .feature-item {
      display: flex; align-items: center; gap: 12px;
      padding: 12px 24px;
      border-right: 1px solid rgba(255,255,255,.1);
    }
    .feature-item:last-child { border-right: none; }
    .feature-item__icon {
      width: 36px; height: 36px; border-radius: 10px;
      background: rgba(34,197,94,.2);
      display: flex; align-items: center; justify-content: center;
      color: #86efac; flex-shrink: 0;
    }
    .feature-item h4 { font-size: 14px; font-weight: 600; color: white; margin-bottom: 2px; }
    .feature-item p { font-size: 12px; color: rgba(255,255,255,.55); }

    /* How it works */
    .how-section { padding: 80px 0; background: var(--gray-50); }
    .section-label {
      font-size: 12px; font-weight: 700; letter-spacing: .1em;
      text-transform: uppercase; color: var(--green-600);
      margin-bottom: 12px;
    }

    .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
    .step-card {
      background: white; border: 1px solid var(--border);
      border-radius: 20px; padding: 32px 24px;
      transition: all .2s;
    }
    .step-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
    .step-num {
      width: 44px; height: 44px; border-radius: 14px;
      background: var(--green-100); color: var(--green-600);
      font-size: 20px; font-weight: 800;
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 18px;
    }
    .step-card h3 { font-size: 17px; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; }
    .step-card p { font-size: 14px; color: var(--gray-500); line-height: 1.65; }

    /* Error categories showcase */
    .categories-section { padding: 80px 0; }
    .categories-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
    .cat-card {
      background: white; border: 1px solid var(--border);
      border-radius: 16px; padding: 24px 16px; text-align: center;
      transition: all .2s;
    }
    .cat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
    .cat-dot {
      width: 40px; height: 40px; border-radius: 12px;
      display: flex; align-items: center; justify-content: center;
      margin: 0 auto 12px; font-size: 18px;
    }
    .cat-card h4 { font-size: 13px; font-weight: 700; color: var(--gray-900); margin-bottom: 4px; }
    .cat-card p { font-size: 12px; color: var(--gray-500); line-height: 1.5; }

    /* Use cases */
    .usecase-section { padding: 80px 0; background: var(--gray-50); }
    .usecase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .usecase-card {
      background: white; border: 1px solid var(--border);
      border-radius: 18px; padding: 28px 24px;
      transition: all .2s; text-align: left;
    }
    .usecase-card:hover { box-shadow: var(--shadow-md); }
    .usecase-icon {
      width: 52px; height: 52px; border-radius: 14px;
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 16px;
    }
    .usecase-icon svg { display: block; flex-shrink: 0; }
    .usecase-card h4 { font-size: 16px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
    .usecase-card p { font-size: 14px; color: var(--gray-500); line-height: 1.65; }

    /* Prose */
    .prose-section { padding: 64px 0; }
    .prose-wrap { max-width: 760px; margin: 0 auto; }
    .prose-wrap h2 { font-size: clamp(18px, 3vw, 26px); font-weight: 800; color: var(--gray-900); margin-bottom: 16px; }
    .prose-wrap h3 { font-size: clamp(16px, 2.5vw, 20px); font-weight: 700; color: var(--gray-800); margin: 28px 0 12px; }
    .prose-wrap p { font-size: 15px; color: var(--gray-600); line-height: 1.8; margin-bottom: 18px; }
    .prose-wrap ol, .prose-wrap ul { padding-left: 22px; margin-bottom: 18px; }
    .prose-wrap li { font-size: 15px; color: var(--gray-600); line-height: 1.7; margin-bottom: 8px; }

    /* CTA */
    .cta-band {
      background: linear-gradient(135deg, #15803d 0%, #22c55e 50%, #4ade80 100%);
      padding: 64px 24px; text-align: center;
    }
    .cta-band h2 { font-size: clamp(22px, 4vw, 36px); font-weight: 800; color: white; margin-bottom: 12px; }
    .cta-band p { font-size: 16px; color: rgba(255,255,255,.85); margin-bottom: 32px; }

    /* Tabbed Showcase Section */
    .showcase-section {
      padding: 100px 0;
      background: var(--gray-50);
      overflow: hidden;
    }
    .showcase-header { text-align: center; margin-bottom: 64px; }
    .showcase-header h2 { font-size: clamp(24px, 4vw, 36px); font-weight: 800; color: var(--gray-900); margin-bottom: 16px; }
    .showcase-header p.subtitle { font-size: 16px; color: var(--gray-500); max-width: 600px; margin: 0 auto; line-height: 1.6; }

    .showcase-grid {
      display: grid;
      grid-template-columns: 350px 1fr;
      gap: 40px;
      align-items: center;
      max-width: 1100px;
      margin: 0 auto;
    }
    .showcase-tabs {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .sc-tab {
      padding: 24px;
      border-radius: 16px;
      border: 2px solid transparent;
      background: transparent;
      cursor: pointer;
      text-align: left;
      transition: all 0.2s;
    }
    .sc-tab:hover { background: white; box-shadow: var(--shadow-sm); }
    .sc-tab.active {
      background: white;
      border-color: var(--green-400);
      box-shadow: 0 10px 25px -5px rgba(34,197,94,0.15);
    }
    .sc-tab h3 { font-size: 16px; font-weight: 700; color: var(--gray-900); margin-bottom: 6px; transition: color 0.2s; }
    .sc-tab p { font-size: 14px; color: var(--gray-500); line-height: 1.5; margin: 0; }
    .sc-tab.active h3 { color: var(--green-700); }

    .showcase-visual {
      position: relative;
      border-radius: 20px;
      box-shadow: 0 20px 40px -10px rgba(0,0,0,0.1), 0 0 0 1px var(--border);
      background: white;
      overflow: hidden;
      aspect-ratio: 16/10;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .showcase-visual img {
      position: absolute;
      top: 0; left: 0; width: 100%; height: 100%; object-fit: contain;
      opacity: 0;
      transition: opacity 0.4s ease-in-out, transform 0.4s ease;
      transform: scale(1.02);
      pointer-events: none;
    }
    .showcase-visual img.active {
      opacity: 1;
      transform: scale(1);
    }

    /* Mobile */
    @media (max-width: 900px) {
      .features-strip__grid { grid-template-columns: repeat(2, 1fr); }
      .feature-item:nth-child(2) { border-right: none; }
      .steps-grid { grid-template-columns: 1fr 1fr; }
      .usecase-grid { grid-template-columns: 1fr 1fr; }
      .categories-grid { grid-template-columns: repeat(3, 1fr); }
      .showcase-grid { grid-template-columns: 1fr; }
      .showcase-tabs { flex-direction: row; overflow-x: auto; padding-bottom: 10px; scroll-snap-type: x mandatory; }
      .sc-tab { min-width: 280px; scroll-snap-align: start; }
      .showcase-visual { max-height: 400px; }
    }
    @media (max-width: 640px) {
      .tool-hero { padding-top: 80px; }
      .upload-card { padding: 32px 20px; border-radius: 20px 20px 0 0; }
      .features-strip__grid { grid-template-columns: 1fr 1fr; gap: 0; }
      .feature-item { padding: 14px 16px; border-right: none; }
      .steps-grid { grid-template-columns: 1fr; }
      .usecase-grid { grid-template-columns: 1fr; }
      .categories-grid { grid-template-columns: repeat(2, 1fr); }
      .showcase-visual { max-height: 300px; border-radius: 12px; }
    }
    @media (max-width: 480px) {
      .features-strip__grid { grid-template-columns: 1fr; gap: 0; }
      .feature-item { border-bottom: 1px solid rgba(255,255,255,.1); }
      .feature-item:last-child { border-bottom: none; }
      .tool-hero h1 { font-size: 28px; }
      .trust-row { gap: 8px; }
      .trust-pill { font-size: 11px; padding: 5px 10px; }
      .categories-grid { grid-template-columns: 1fr; }
    }
