:root {
      --navy: #07111f;
      --navy2: #0d1b31;
      --blue: #39a7ff;
      --light: #f4f7fb;
      --white: #ffffff;
      --text: #1f2937;
      --muted: #6b7280;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: Arial, Helvetica, sans-serif;
      color: var(--text);
      background: var(--white);
      line-height: 1.6;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    header {
      background: var(--navy);
      padding: 20px 6%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      position: sticky;
      top: 0;
      z-index: 100;
    }

     .logo {
         font-size: 1.45rem;
        font-weight: 800;
        letter-spacing: 1px;
        text-transform: uppercase;
        color: white;
     }

     .logo span {
        color: var(--blue);
     }

    nav {
      display: flex;
      gap: 28px;
      align-items: center;
    }

    nav a {
      color: #d2dae5;
      font-weight: 600;
    }

    nav a:hover {
      color: var(--white);
    }

    .nav-button {
      background: var(--blue);
      color: var(--white);
      padding: 12px 18px;
      border-radius: 4px;
      font-weight: 700;
    }

      .hero {
          min-height: 600px;
          display: flex;
          flex-direction: column;
          justify-content: center;
          background-image: linear-gradient(90deg, rgba(7,17,31,0.88), rgba(7,17,31,0.58)), url("../images/government.png");
          background-size: cover;
          background-position: center;
          background-repeat: no-repeat;
          color: var(--white);
          padding: 140px 6% 120px;
      }

    .hero span {
      color: var(--blue);
      text-transform: uppercase;
      font-weight: 800;
      letter-spacing: 2px;
      display: inline-block;
      margin-bottom: 16px;
    }

    .hero h1 {
      font-size: clamp(2.8rem, 6vw, 5rem);
      line-height: 1.05;
      max-width: 900px;
      margin-bottom: 24px;
    }

    .hero p {
      max-width: 760px;
      color: #c9d3df;
      font-size: 1.1rem;
    }

    .section {
      padding: 90px 6%;
    }

    .section-title {
      margin-bottom: 50px;
    }

    .section-title span {
      color: var(--blue);
      text-transform: uppercase;
      font-weight: 800;
      letter-spacing: 2px;
      display: inline-block;
      margin-bottom: 12px;
    }

    .section-title h2 {
      font-size: clamp(2rem, 4vw, 3.5rem);
      color: var(--navy);
      margin-bottom: 18px;
    }

    .section-title p {
      color: var(--muted);
      max-width: 850px;
      font-size: 1.05rem;
    }

    .contracts-grid {
      display: grid;
      gap: 40px;
    }

    .contract-card {
      background: var(--white);
      border: 1px solid #e4e9f1;
      box-shadow: 0 18px 40px rgba(7,17,31,0.08);
      overflow: hidden;
    }

    .contract-image {
      width: 100%;
      height: 550px;
      object-fit: cover;
      display: block;
      background: #d8e1ec;
    }

    .contract-content {
      padding: 40px;
    }

    .contract-type {
      color: var(--blue);
      font-size: 0.9rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 14px;
    }

    .contract-title {
      font-size: 2rem;
      color: var(--navy);
      margin-bottom: 18px;
    }

    .contract-description {
      color: var(--muted);
      margin-bottom: 30px;
      font-size: 1.03rem;
    }

    .contract-details {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      border-top: 1px solid #e6ecf3;
      padding-top: 24px;
    }

    .detail-box h4 {
      color: var(--navy);
      margin-bottom: 6px;
      font-size: 0.95rem;
    }

    .detail-box p {
      color: var(--muted);
      font-size: 0.95rem;
    }

    .cta {
      background: var(--navy);
      color: var(--white);
      text-align: center;
      padding: 100px 6%;
    }

    .cta h2 {
      font-size: clamp(2rem, 4vw, 3.4rem);
      margin-bottom: 20px;
    }

    .cta p {
      color: #c8d2de;
      max-width: 760px;
      margin: 0 auto 30px;
    }

    .cta-button {
      display: inline-block;
      background: var(--blue);
      color: var(--white);
      padding: 15px 24px;
      border-radius: 4px;
      font-weight: 800;
    }

    footer {
      background: #050b14;
      color: #9aa8b9;
      text-align: center;
      padding: 40px 6%;
    }

    @media (max-width: 950px) {

      nav {
        display: none;
      }

      .contract-image {
        height: 450px;
      }

      .contract-details {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 600px) {

      .contract-details {
        grid-template-columns: 1fr;
      }

      .contract-content {
        padding: 28px;
      }
    }