    html {
      scroll-behavior: smooth;
    }

    body {
      background: #f5f7fa;
      color: #1f2933;
      position: relative;
    }

    .navbar-brand {
      font-weight: 700;
      letter-spacing: 0.5px;
    }

    .hero {
      background: linear-gradient(135deg, #0f172a, #1e293b, #14532d);
      color: #fff;
      padding: 120px 0 70px;
      position: relative;
      overflow: hidden;
    }

    .hero:before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at top right, rgba(255,255,255,0.12), transparent 35%);
      pointer-events: none;
    }

    .hero-box {
      position: relative;
      z-index: 2;
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 20px;
      padding: 40px;
      backdrop-filter: blur(6px);
      box-shadow: 0 20px 50px rgba(0,0,0,0.18);
    }

    .eyebrow {
      display: inline-block;
      font-size: 0.85rem;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      font-weight: 700;
      color: #bbf7d0;
      margin-bottom: 15px;
    }

    .hero h1 {
      font-size: 3rem;
      font-weight: 800;
      margin-bottom: 20px;
    }

    .hero .lead {
      font-size: 1.15rem;
      max-width: 900px;
      color: rgba(255,255,255,0.92);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 18px;
      margin-top: 35px;
    }

    .metric {
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 16px;
      padding: 20px;
      height: 100%;
    }

    .metric .label {
      font-size: 0.8rem;
      text-transform: uppercase;
      color: #cbd5e1;
      margin-bottom: 8px;
      letter-spacing: 1px;
    }

    .metric strong {
      display: block;
      font-size: 1.1rem;
      margin-bottom: 8px;
      color: #fff;
    }

    .layout {
      margin-top: 40px;
      margin-bottom: 60px;
    }

    .sidebar {
      position: sticky;
      top: 90px;
      background: #fff;
      border-radius: 18px;
      padding: 24px;
      box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
      border: 1px solid #e5e7eb;
    }

    .sidebar h2 {
      font-size: 1.2rem;
      margin-bottom: 20px;
      font-weight: 700;
    }

    .sidebar .nav-link {
      color: #334155;
      border-radius: 10px;
      margin-bottom: 6px;
      padding: 10px 12px;
      transition: 0.2s ease;
    }

    .sidebar .nav-link:hover,
    .sidebar .nav-link.active {
      background: #e8f5e9;
      color: #166534;
      font-weight: 600;
    }

    .content section {
      background: #fff;
      border-radius: 20px;
      padding: 30px;
      margin-bottom: 28px;
      box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
      border: 1px solid #e5e7eb;
    }

    .content h2 {
      font-size: 1.8rem;
      margin-bottom: 20px;
      font-weight: 800;
      color: #0f172a;
    }

    .content h3 {
      font-size: 1.2rem;
      margin-top: 25px;
      margin-bottom: 15px;
      font-weight: 700;
    }

    .intro-box,
    .summary-box,
    .note,
    .success {
      background: #f8fafc;
      border-left: 4px solid #16a34a;
      padding: 18px 20px;
      border-radius: 12px;
      margin-bottom: 20px;
    }

    .chip-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 18px 0 8px;
    }

    .chip {
      background: #ecfdf5;
      color: #166534;
      padding: 10px 14px;
      border-radius: 999px;
      font-size: 0.95rem;
      font-weight: 600;
      border: 1px solid #bbf7d0;
    }

    .card-soft {
      border: 1px solid #e5e7eb;
      border-radius: 16px;
      box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
      height: 100%;
    }

    .presentation-carousel img {
      height: 480px;
      object-fit: cover;
      border-radius: 18px;
    }

    .carousel-caption-custom {
      position: absolute;
      left: 30px;
      right: 30px;
      bottom: 25px;
      background: rgba(15, 23, 42, 0.72);
      color: #fff;
      padding: 18px 20px;
      border-radius: 14px;
    }

    .timeline {
      padding-left: 18px;
      margin-bottom: 0;
    }

    .timeline li {
      margin-bottom: 12px;
    }

    .progress {
      height: 12px;
      border-radius: 999px;
      background: #e5e7eb;
    }

    .progress-bar {
      font-size: 0.7rem;
      font-weight: 700;
    }

    .feature-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: #ecfdf5;
      color: #166534;
      font-size: 1.2rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 15px;
      font-weight: 700;
    }

    .footer-box {
      background: #0f172a;
      color: #fff;
      text-align: center;
      padding: 25px;
      border-radius: 18px;
      margin-bottom: 40px;
      box-shadow: 0 10px 30px rgba(15, 23, 42, 0.15);
    }

    .spec-table td,
    .spec-table th {
      vertical-align: middle;
    }

    .cta-box {
      background: linear-gradient(135deg, #166534, #15803d);
      color: #fff;
      border-radius: 18px;
      padding: 26px;
    }

    .badge-soft {
      background: #dcfce7;
      color: #166534;
      font-weight: 700;
      padding: 8px 12px;
      border-radius: 999px;
      display: inline-block;
      margin-bottom: 10px;
    }

    @media (max-width: 991.98px) {
      .sidebar {
        position: static;
        margin-bottom: 25px;
      }

      .hero h1 {
        font-size: 2.3rem;
      }

      .presentation-carousel img {
        height: 320px;
      }
    }

    @media (max-width: 575.98px) {
      .hero-box,
      .content section,
      .sidebar {
        padding: 20px;
      }

      .carousel-caption-custom {
        left: 15px;
        right: 15px;
        bottom: 15px;
        padding: 14px 16px;
      }
    }