/* roulang page: index */
:root {
      --bg-base: #F9FAFB;
      --bg-white: #FFFFFF;
      --bg-dark: #0B0F19;
      --bg-dark-card: #151D2F;
      --primary: #00875A;
      --primary-hover: #006644;
      --accent: #A3E635;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --border-dark: #243048;
      --radius-sm: 6px;
      --radius-md: 8px;
      --shadow-sm: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 12px 28px -4px rgba(15, 23, 42, 0.1);
      --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --font-digit: "DIN Alternate", "Helvetica Neue", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: var(--font-stack);
      background-color: var(--bg-base);
      color: var(--text-body);
      line-height: 1.6;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.2s ease;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    button, input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .section {
      padding: 96px 0;
      position: relative;
    }

    .section-alt {
      background-color: var(--bg-white);
    }

    .section-title-wrap {
      margin-bottom: 48px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin-bottom: 12px;
      padding: 4px 10px;
      background: rgba(0, 135, 90, 0.08);
      border-radius: var(--radius-sm);
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 720px;
      line-height: 1.7;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 28px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid transparent;
      text-align: center;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn-primary {
      background-color: var(--primary);
      color: #fff;
      box-shadow: 0 4px 14px rgba(0, 135, 90, 0.35);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
    }

    .btn-secondary {
      background-color: var(--bg-white);
      color: var(--text-main);
      border-color: var(--border-color);
    }

    .btn-secondary:hover {
      border-color: var(--text-muted);
    }

    .btn-accent {
      background-color: var(--accent);
      color: var(--bg-dark);
      font-weight: 700;
    }

    .btn-accent:hover {
      background-color: #bbf746;
    }

    /* Top Bar & Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }

    .top-bar {
      border-bottom: 1px solid #EEF2F6;
      font-size: 0.8rem;
      color: var(--text-muted);
      padding: 8px 0;
      background-color: #FAFBFD;
    }

    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .top-bar-links span {
      margin-left: 20px;
    }

    .main-nav {
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.02em;
    }

    .brand-icon {
      width: 32px;
      height: 32px;
      background: var(--primary);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
    }

    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 32px;
    }

    .nav-item a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-body);
      position: relative;
      padding: 6px 0;
    }

    .nav-item a:hover {
      color: var(--primary);
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    /* 1. Hero Area */
    .hero-section {
      padding: 80px 0 100px;
      background: linear-gradient(180deg, #F0FDF4 0%, var(--bg-base) 100%);
      position: relative;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 3.2rem;
      line-height: 1.15;
      font-weight: 900;
      color: var(--text-main);
      letter-spacing: -0.03em;
      margin-bottom: 24px;
    }

    .hero-content h1 span {
      color: var(--primary);
    }

    .hero-lead {
      font-size: 1.15rem;
      line-height: 1.75;
      color: var(--text-body);
      margin-bottom: 36px;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      align-items: center;
      margin-bottom: 36px;
    }

    .hero-meta-indicators {
      display: flex;
      gap: 28px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
    }

    .meta-indicator-item {
      display: flex;
      flex-direction: column;
    }

    .meta-indicator-value {
      font-family: var(--font-digit);
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .meta-indicator-label {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .hero-showcase {
      position: relative;
    }

    .hero-image-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.15);
      border: 1px solid var(--border-color);
      background-color: var(--bg-white);
      position: relative;
    }

    .hero-badge-overlay {
      position: absolute;
      bottom: 20px;
      left: 20px;
      background: rgba(11, 15, 25, 0.9);
      backdrop-filter: blur(8px);
      padding: 12px 18px;
      border-radius: var(--radius-sm);
      border-left: 4px solid var(--accent);
      color: #fff;
    }

    .hero-badge-overlay p {
      font-size: 0.85rem;
      color: var(--accent);
      font-weight: 700;
    }

    .hero-badge-overlay span {
      font-size: 0.8rem;
      color: #94A3B8;
    }

    /* 2. Pain Points */
    .pain-points-grid {
      display: grid;
      grid-template-columns: 1fr 1.6fr;
      gap: 60px;
      align-items: start;
    }

    .pain-points-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .pain-card {
      background: var(--bg-white);
      padding: 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      gap: 24px;
      transition: border-color 0.25s ease;
    }

    .pain-card:hover {
      border-color: #CBD5E1;
    }

    .pain-num {
      font-family: var(--font-digit);
      font-size: 2rem;
      font-weight: 800;
      color: #94A3B8;
      line-height: 1;
    }

    .pain-body h3 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 8px;
      font-weight: 700;
    }

    .pain-body p {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.6;
    }

    /* 3. Solutions */
    .solution-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: center;
    }

    .solution-media img {
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .solution-items {
      display: flex;
      flex-direction: column;
      gap: 28px;
    }

    .sol-item h4 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .sol-item-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background-color: var(--primary);
    }

    .sol-item p {
      font-size: 0.95rem;
      color: var(--text-body);
      padding-left: 22px;
      line-height: 1.6;
    }

    .system-metrics-badge {
      display: inline-flex;
      align-items: center;
      gap: 16px;
      margin-top: 32px;
      padding: 12px 20px;
      background: #F1F5F9;
      border-radius: var(--radius-sm);
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 4. Features Grid */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .feature-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      padding: 32px 24px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }

    .feature-icon-box {
      width: 44px;
      height: 44px;
      background: rgba(0, 135, 90, 0.08);
      color: var(--primary);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-weight: 800;
      font-size: 1.1rem;
    }

    .feature-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .feature-card p {
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.6;
    }

    /* 5. Products / Suites */
    .suites-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .suite-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px 28px;
      display: flex;
      flex-direction: column;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .suite-card.highlight {
      border: 2px solid var(--primary);
    }

    .suite-badge {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--primary);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 20px;
    }

    .suite-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .suite-desc {
      font-size: 0.95rem;
      color: var(--text-body);
      margin-bottom: 24px;
      min-height: 48px;
    }

    .suite-checklist {
      list-style: none;
      margin-bottom: 32px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      flex-grow: 1;
    }

    .suite-checklist li {
      font-size: 0.9rem;
      color: var(--text-body);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .suite-checklist li::before {
      content: "✓";
      color: var(--primary);
      font-weight: 800;
    }

    /* 6. Workflow */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .workflow-timeline::before {
      content: "";
      position: absolute;
      top: 36px;
      left: 10%;
      right: 10%;
      height: 2px;
      background: var(--border-color);
      z-index: 1;
    }

    .step-card {
      position: relative;
      z-index: 2;
      text-align: center;
      padding: 0 12px;
    }

    .step-number {
      width: 48px;
      height: 48px;
      background: var(--bg-white);
      border: 2px solid var(--primary);
      color: var(--primary);
      font-family: var(--font-digit);
      font-weight: 800;
      font-size: 1.25rem;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 12px auto 20px;
    }

    .step-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .step-card p {
      font-size: 0.88rem;
      color: var(--text-body);
      line-height: 1.6;
    }

    /* 7. Concept Dark Section */
    .dark-concept-section {
      background-color: var(--bg-dark);
      color: #fff;
      padding: 100px 0;
    }

    .concept-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }

    .concept-quote {
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.35;
      letter-spacing: -0.02em;
      margin-bottom: 24px;
    }

    .concept-quote span {
      color: var(--accent);
    }

    .concept-text {
      font-size: 1.05rem;
      color: #94A3B8;
      line-height: 1.8;
      margin-bottom: 32px;
    }

    .concept-media img {
      border-radius: var(--radius-md);
      border: 1px solid var(--border-dark);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }

    /* 8. Case Studies */
    .case-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      box-shadow: var(--shadow-sm);
    }

    .case-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .case-info {
      padding: 48px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .case-club-title {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .case-quote {
      font-size: 1.05rem;
      color: var(--text-body);
      font-style: italic;
      line-height: 1.7;
      margin-bottom: 24px;
      border-left: 3px solid var(--primary);
      padding-left: 16px;
    }

    .case-meta {
      display: flex;
      gap: 32px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .case-meta strong {
      display: block;
      color: var(--text-main);
      font-size: 1rem;
      margin-top: 4px;
    }

    /* 9. Metrics Strip */
    .metrics-strip-section {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 56px 0;
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }

    .metric-card-value {
      font-family: var(--font-digit);
      font-size: 2.75rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 12px;
    }

    .metric-card-label {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .metric-card-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 10. Testimonials */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .testi-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
    }

    .testi-stars {
      color: #F59E0B;
      font-size: 1rem;
      margin-bottom: 16px;
      letter-spacing: 2px;
    }

    .testi-comment {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 24px;
      flex-grow: 1;
    }

    .testi-author {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--text-muted);
    }

    .author-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-info p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 11. Insights */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .insight-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease;
    }

    .insight-card:hover {
      transform: translateY(-4px);
    }

    .insight-thumb {
      height: 180px;
      overflow: hidden;
    }

    .insight-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .insight-card:hover .insight-thumb img {
      transform: scale(1.05);
    }

    .insight-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .insight-date {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .insight-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.4;
      margin-bottom: 12px;
    }

    .insight-desc {
      font-size: 0.88rem;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .insight-link {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 12. FAQ Accordion */
    .faq-container {
      max-width: 840px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
    }

    .faq-header {
      padding: 22px 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }

    .faq-header h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .faq-icon {
      font-size: 1.25rem;
      color: var(--text-muted);
      transition: transform 0.25s ease;
    }

    .faq-body {
      padding: 0 28px 24px 28px;
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
      display: none;
    }

    .faq-item.active .faq-body {
      display: block;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      color: var(--primary);
    }

    /* 13. High-Conversion CTA */
    .cta-section {
      background: linear-gradient(135deg, #0A5E3E 0%, #00875A 100%);
      color: #fff;
      padding: 96px 0;
    }

    .cta-card-box {
      max-width: 820px;
      margin: 0 auto;
      text-align: center;
    }

    .cta-card-box h2 {
      font-size: 2.3rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }

    .cta-card-box p {
      font-size: 1.05rem;
      color: #D1FAE5;
      margin-bottom: 36px;
    }

    .cta-form {
      background: #FFFFFF;
      padding: 36px;
      border-radius: var(--radius-md);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
      text-align: left;
    }

    .cta-form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 20px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .form-group label {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      height: 46px;
      padding: 0 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      color: var(--text-main);
      background-color: #FAFBFD;
      outline: none;
      transition: border-color 0.2s;
    }

    .form-control:focus {
      border-color: var(--primary);
      background-color: #fff;
    }

    .form-radio-row {
      margin-bottom: 24px;
    }

    .form-radio-row > label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .radio-group {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
    }

    .radio-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      color: var(--text-body);
      cursor: pointer;
    }

    .radio-item input {
      accent-color: var(--primary);
    }

    .form-submit-btn {
      width: 100%;
      height: 50px;
      border: none;
      background-color: var(--primary);
      color: #fff;
      font-weight: 700;
      font-size: 1.05rem;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(0, 135, 90, 0.35);
      transition: background-color 0.2s, transform 0.2s;
    }

    .form-submit-btn:hover {
      background-color: var(--primary-hover);
      transform: translateY(-1px);
    }

    .form-policy-note {
      text-align: center;
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-top: 14px;
    }

    /* Site Footer */
    .site-footer {
      background-color: #070B14;
      color: #94A3B8;
      padding: 72px 0 32px;
      border-top: 1px solid #1E293B;
      font-size: 0.9rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 56px;
    }

    .footer-brand-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-brand-desc {
      line-height: 1.7;
      margin-bottom: 20px;
      max-width: 320px;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-col ul li a:hover {
      color: #fff;
    }

    .footer-bottom {
      padding-top: 32px;
      border-top: 1px solid #1E293B;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: #64748B;
    }

    .footer-bottom-links {
      display: flex;
      gap: 20px;
    }

    .footer-bottom-links a:hover {
      color: #94A3B8;
    }

    /* Smooth anchor offset */
    [id] {
      scroll-margin-top: 90px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid, .concept-grid, .solution-block, .pain-points-grid, .case-card {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .features-grid, .suites-grid, .testimonials-grid, .insights-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-timeline {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
      }
      .workflow-timeline::before {
        display: none;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
      }
    }

    @media (max-width: 768px) {
      .section {
        padding: 56px 0;
      }
      .top-bar {
        display: none;
      }
      .hero-content h1 {
        font-size: 2.2rem;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .features-grid, .suites-grid, .testimonials-grid, .insights-grid, .workflow-timeline, .metrics-grid {
        grid-template-columns: 1fr;
      }
      .cta-form-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
      }
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        display: none;
        gap: 16px;
      }
      .nav-menu.open {
        display: flex;
      }
      .nav-item {
        width: 100%;
      }
      .nav-item a {
        display: block;
        padding: 8px 0;
        font-size: 1rem;
      }
      .nav-cta {
        display: none;
      }
    }