/* ==========================================================================
       CORE MODULES 7-ENGINE ARCHITECTURE - WORLD-CLASS DESIGN STYLES
       ========================================================================== */

    /* Hero Section */
    .modules-hero {
      position: relative;
      background: radial-gradient(circle at 50% 15%, #1e293b 0%, #0f172a 75%, #080d1a 100%);
      color: #ffffff;
      padding: 95px 0 85px 0;
      text-align: center;
      overflow: hidden;
    }
    .modules-hero::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: 44px 44px;
      pointer-events: none;
    }
    .modules-hero-glow {
      position: absolute;
      width: 580px;
      height: 580px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
      top: -180px;
      left: 50%;
      transform: translateX(-50%);
      pointer-events: none;
    }
    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(37, 99, 235, 0.15);
      color: #93C5FD;
      border: 1px solid rgba(147, 197, 253, 0.25);
      padding: 6px 18px;
      border-radius: var(--radius-full);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      margin-bottom: 22px;
      backdrop-filter: blur(8px);
    }
    .modules-hero h1 {
      font-size: 52px;
      font-weight: 800;
      line-height: 1.15;
      color: #ffffff;
      margin-bottom: 20px;
      letter-spacing: -0.03em;
    }
    .modules-hero h1 span.gradient-text {
      background: linear-gradient(135deg, #60A5FA 0%, #A78BFA 50%, #38BDF8 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    /* Testimonial Quote Callout */
    .hero-quote-pill {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: var(--radius-full);
      padding: 8px 24px;
      margin-bottom: 24px;
      backdrop-filter: blur(12px);
      box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.25);
    }
    .quote-icon {
      font-size: 16px;
      color: #F59E0B;
    }
    .quote-text {
      font-size: 16px;
      font-weight: 700;
      color: #F8FAFC;
      font-style: italic;
      letter-spacing: -0.01em;
    }

    .hero-lead {
      font-size: 17px;
      color: #94A3B8;
      max-width: 860px;
      margin: 0 auto 36px auto;
      line-height: 1.7;
    }

    /* Engine Jump Navigation */
    .engine-jump-nav {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 8px;
      max-width: 1100px;
      margin: 0 auto;
    }
    .engine-jump-link {
      padding: 9px 18px;
      font-size: 13px;
      font-weight: 600;
      color: #CBD5E1;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-full);
      transition: var(--transition-fast);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .engine-jump-link:hover,
    .engine-jump-link.active {
      color: #FFFFFF;
      background: var(--primary);
      border-color: var(--primary);
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
      transform: translateY(-1px);
    }
    .engine-num-badge {
      font-size: 11px;
      font-weight: 800;
      background: rgba(255, 255, 255, 0.2);
      padding: 2px 6px;
      border-radius: var(--radius-full);
    }

    /* Overview Stats Counter Strip */
    .engines-stat-strip {
      background: var(--surface-card);
      border-bottom: 1px solid var(--border-color);
      padding: 24px 0;
      box-shadow: var(--shadow-xs);
    }
    .stat-strip-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    @media (max-width: 768px) {
      .stat-strip-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    .stat-item-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 4px;
    }
    .stat-item-lbl {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* ==========================================================================
       7 BUSINESS ENGINES SECTIONS
       ========================================================================== */
    .engine-section {
      padding: 80px 0;
      position: relative;
    }
    .engine-section:nth-child(even) {
      background: #F8FAFC;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .engine-header {
      margin-bottom: 40px;
    }
    .engine-meta-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
      flex-wrap: wrap;
    }
    .engine-pill {
      font-size: 12px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .engine-pill-01 { background: #EFF6FF; color: #1D4ED8; border: 1px solid #BFDBFE; }
    .engine-pill-02 { background: #F0FDF4; color: #15803D; border: 1px solid #BBF7D0; }
    .engine-pill-03 { background: #FFF7ED; color: #C2410C; border: 1px solid #FED7AA; }
    .engine-pill-04 { background: #F5F3FF; color: #6D28D9; border: 1px solid #DDD6FE; }
    .engine-pill-05 { background: #ECFDF5; color: #047857; border: 1px solid #A7F3D0; }
    .engine-pill-06 { background: #FDF2F8; color: #BE185D; border: 1px solid #FBCFE8; }
    .engine-pill-07 { background: #FEF3C7; color: #B45309; border: 1px solid #FDE68A; }

    .engine-title {
      font-size: 34px;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 8px;
      line-height: 1.2;
    }
    .engine-tagline {
      font-size: 19px;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 12px;
      font-style: italic;
    }
    .engine-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 860px;
      line-height: 1.65;
    }

    /* Module Tiles Grid */
    .module-tiles-grid {
      display: grid;
      gap: 22px;
      align-items: stretch;
    }
    .grid-cols-4 {
      grid-template-columns: repeat(4, 1fr);
    }
    .grid-cols-3 {
      grid-template-columns: repeat(3, 1fr);
    }
    .grid-cols-6 {
      grid-template-columns: repeat(3, 1fr);
    }
    @media (min-width: 1200px) {
      .grid-cols-6 {
        grid-template-columns: repeat(6, 1fr);
      }
    }
    @media (max-width: 1100px) {
      .grid-cols-4, .grid-cols-3, .grid-cols-6 {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 640px) {
      .grid-cols-4, .grid-cols-3, .grid-cols-6 {
        grid-template-columns: 1fr;
      }
    }

    /* Module Tile Card Styling */
    .module-card {
      background: var(--surface-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-xs);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .module-card::after {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 3px;
      background: transparent;
      transition: var(--transition-fast);
    }
    .module-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary-border);
    }
    .module-card:hover::after {
      background: var(--brand-grad);
    }

    .module-icon-wrap {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-size: 24px;
      flex-shrink: 0;
    }
    .icon-blue { background: #EFF6FF; color: #2563EB; border: 1px solid #BFDBFE; }
    .icon-green { background: #F0FDF4; color: #16A34A; border: 1px solid #BBF7D0; }
    .icon-amber { background: #FFFBEB; color: #D97706; border: 1px solid #FDE68A; }
    .icon-purple { background: #FAF5FF; color: #7E22CE; border: 1px solid #E9D5FF; }
    .icon-emerald { background: #ECFDF5; color: #059669; border: 1px solid #A7F3D0; }
    .icon-rose { background: #FFF1F2; color: #E11D48; border: 1px solid #FECDD3; }
    .icon-indigo { background: #EEF2FF; color: #4F46E5; border: 1px solid #C7D2FE; }

    .module-card-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 10px;
      line-height: 1.25;
    }
    .module-card-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex: 1;
    }
    .module-features-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: auto;
    }
    .chip {
      font-size: 11.5px;
      font-weight: 600;
      background: var(--surface-subtle);
      color: var(--text-main);
      padding: 3px 8px;
      border-radius: var(--radius-xs);
      border: 1px solid var(--border-color);
    }

    /* Interconnected Platform Callout Section */
    .connected-platform-section {
      background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      color: #ffffff;
      border-radius: var(--radius-xl);
      padding: 64px 48px;
      margin: 40px 0 80px 0;
      box-shadow: var(--shadow-xl);
      border: 1px solid rgba(255, 255, 255, 0.1);
      position: relative;
      overflow: hidden;
    }
    .connected-platform-section::before {
      content: "";
      position: absolute;
      top: -100px; right: -100px;
      width: 350px; height: 350px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, transparent 70%);
      pointer-events: none;
    }
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(7, 1fr);
      gap: 12px;
      margin-top: 40px;
    }
    @media (max-width: 992px) {
      .flow-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    .flow-step-box {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 16px 12px;
      text-align: center;
      transition: var(--transition-fast);
    }
    .flow-step-box:hover {
      background: rgba(37, 99, 235, 0.2);
      border-color: rgba(96, 165, 250, 0.4);
      transform: translateY(-2px);
    }
    .flow-step-num {
      font-size: 11px;
      font-weight: 800;
      color: #60A5FA;
      margin-bottom: 6px;
      letter-spacing: 0.05em;
    }
    .flow-step-title {
      font-size: 13px;
      font-weight: 700;
      color: #F8FAFC;
      line-height: 1.3;
    }

    /* Final Conversion Block */
    .modules-cta-box {
      background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
      color: #ffffff;
      border-radius: var(--radius-xl);
      padding: 64px 40px;
      text-align: center;
      margin: 20px 0 80px 0;
      box-shadow: var(--shadow-xl);
    }
    .modules-cta-box h2 {
      color: #ffffff;
      font-size: 38px;
      margin-bottom: 16px;
    }
    .modules-cta-box p {
      color: #DBEAFE;
      font-size: 17px;
      max-width: 720px;
      margin: 0 auto 32px auto;
      line-height: 1.65;
    }