* {
      font-family: 'Inter', system-ui, -apple-system, sans-serif;
    }

    body {
      background-color: #fafcff;
    }

    /* --- refined navbar (soft, elevated) --- */
    .navbar {
      background: rgba(255, 255, 255, 0.80);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(0, 20, 40, 0.06);
      box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
    }

    .navbar-brand img {
      transition: transform 0.2s;
    }
    .navbar-brand img:hover {
      transform: scale(1.02);
    }

    .nav-link {
      font-weight: 500;
      color: #1a2b4c !important;
      padding: 0.5rem 1rem !important;
      border-radius: 40px;
      transition: 0.2s;
    }
    .nav-link:hover {
      background: rgba(45, 70, 151, 0.04);
      color: #2d4697 !important;
    }

    .btn-outline-primary-custom {
      background: transparent;
      border: 1.5px solid #2d4697;
      color: #2d4697;
      border-radius: 40px;
      padding: 0.5rem 1.8rem;
      font-weight: 600;
      transition: 0.2s;
    }
    .btn-outline-primary-custom:hover {
      background: #2d4697;
      color: white;
    }

    
    .hero h1 {
      font-size: clamp(2.2rem, 7vw, 3.8rem);
      color: #fff;
      font-weight: 700;
      letter-spacing: -0.02em;
      background: linear-gradient(140deg, #162b42, #2d4697);
      -webkit-background-clip: text;
      /* -webkit-text-fill-color: transparent; */
      background-clip: text;
    }
    .hero p {
      font-size: 1.2rem;
      color: #ffffff;
      max-width: 650px;
    }

    /* primary cta */
    .btn-primary-grad {
      background: linear-gradient(135deg, #2d4697, #1f3a63);
      border: none;
      color: white;
      border-radius: 40px;
      padding: 14px 38px;
      font-weight: 600;
      box-shadow: 0 10px 20px -8px rgba(45, 70, 151, 0.4);
      transition: all 0.2s;
    }
    .btn-primary-grad:hover {
      background: linear-gradient(135deg, #1f3a63, #162b4a);
      box-shadow: 0 16px 24px -8px rgba(28, 55, 120, 0.5);
      color: white;
      transform: translateY(-2px);
    }

    .btn-outline-secondary-custom {
      background: white;
      border: 1.5px solid #cfddee;
      color: #2d3f60;
      border-radius: 40px;
      padding: 14px 36px;
      font-weight: 600;
      transition: 0.2s;
    }
    .btn-outline-secondary-custom:hover {
      border-color: #2d4697;
      background: #f5f9ff;
    }

    /* --- feature cards (elevated, clean) --- */
    .feature-card {
      border: none;
      border-radius: 32px;
      padding: 38px 24px;
      background: white;
      box-shadow: 0 18px 40px -10px rgba(0, 30, 60, 0.08);
      transition: 0.25s ease;
      height: 100%;
      border: 1px solid rgba(255, 255, 255, 0.6);
      backdrop-filter: blur(4px);
    }
    .feature-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 28px 50px -14px rgba(18, 52, 106, 0.18);
      border-color: #ffffff;
    }

    .icon-box {
      width: 80px;
      height: 80px;
      border-radius: 30px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 34px;
      background: #ebf2fc;
      margin: 0 auto 1.5rem;
      color: #2d4697;
      transition: 0.2s;
    }
    .feature-card:hover .icon-box {
      background: #2d4697;
      color: white;
    }

    /* features list (why use) */
    .feature-list i {
      background: #e8f0fe;
      padding: 6px;
      border-radius: 50%;
      color: #2d4697;
    }

    /* stats panel (refined card) */
    .stats-card {
      background: #2d4697;
      border-radius: 40px;
      padding: 3rem 2rem;
      box-shadow: 0 30px 60px -20px rgba(0, 32, 64, 0.15);
      border: 1px solid rgba(45, 70, 151, 0.1);
    }

    .stats-card .display-5 {
      font-weight: 700;
      color: #ffffff;
      font-size: clamp(2.5rem, 7vw, 3.5rem);
      line-height: 1.2;
    }

    .stat-label {
      font-size: 1rem;
      font-weight: 500;
      letter-spacing: 0.02em;
      color: #ffffff;
      text-transform: uppercase;
      margin-top: 0.25rem;
    }

    /* why us image */
    .why-img {
      max-width: 100%;
      height: auto;
      border-radius: 32px;
      box-shadow: 0 28px 50px -20px rgba(0, 30, 70, 0.3);
    }

    /* responsive fine-tuning */
    @media (max-width: 576px) {
      .hero {
        padding: 70px 0 60px;
      }
      .hero .btn {
        width: 100%;
        margin: 8px 0 !important;
      }
      .feature-card {
        padding: 28px 16px;
      }
      .stats-card {
        padding: 2rem 1.5rem;
      }
    }

    /* footer minimal */
    footer {
      border-top: 1px solid rgba(0,0,0,0.03);
      background: #ffffff;
    }