:root {
    --navy: #0B1D3A;
    --navy-light: #142D54;
    --blue-accent: #2E6DB4;
    --blue-bright: #4A90D9;
    --slate: #64748B;
    --light-bg: #F0F4F8;
    --card-bg: #FFFFFF;
    --border: #D1DAE6;
    --text-dark: #0F172A;
    --text-muted: #475569;
    --icon-ring: #2E6DB4;
    --icon-ring-glow: rgba(46, 109, 180, 0.15);
  }


  /* ── Grid ── */
  .features {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
  }

  .feature-card {
    flex: 1 1 calc(50% - 14px);
    min-width: 300px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 36px 32px 32px;
    position: relative;
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
    animation: fadeUp 0.7s ease both;
  }

  .feature-card:nth-child(1) { animation-delay: 0.1s; }
  .feature-card:nth-child(2) { animation-delay: 0.2s; }
  .feature-card:nth-child(3) { animation-delay: 0.3s; }
  .feature-card:nth-child(4) { animation-delay: 0.4s; }

  .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(11, 29, 58, 0.1);
    border-color: var(--blue-accent);
  }

  /* ── Icon ── */
  .card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
  }

  .icon-wrap {
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: 50%;
    border: 2px solid var(--icon-ring);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--icon-ring-glow);
    box-shadow: 0 0 0 5px rgba(46, 109, 180, 0.06);
    transition: background 0.3s, box-shadow 0.3s;
  }

  .feature-card:hover .icon-wrap {
    background: rgba(46, 109, 180, 0.2);
    box-shadow: 0 0 0 8px rgba(46, 109, 180, 0.08);
  }

  .icon-wrap svg {
    width: 24px;
    height: 24px;
    stroke: var(--navy);
    stroke-width: 1.8;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  /* ── Card text ── */
  .feature-card h2 {
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--navy);
    line-height: 1.3;
  }

  .feature-card ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .feature-card ul li {
    font-size: 0.935rem;
    color: var(--text-muted);
    line-height: 1.55;
    padding-left: 22px;
    position: relative;
  }

  .feature-card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--blue-accent);
  }

  .feature-card ul li em {
    font-style: italic;
    color: var(--blue-accent);
    font-weight: 500;
  }

  /* ── Animations ── */
  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(24px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* ── Responsive ── */
  @media (max-width: 680px) {
    .features {
      flex-direction: column;
    }
    .feature-card {
      flex: 1 1 100%;
      min-width: 0;
    }
    .container {
      padding: 40px 16px 60px;
    }
  }