* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: "Poppins", sans-serif;
      scroll-behavior: smooth;
    }

    body {
      color: #001f3f;
      background: #ffffff;
    }

    header {
      background: #001f3f;
      color: white;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 10%;
      position: fixed;
      width: 100%;
      top: 0;
      z-index: 1000;
    }
    #hidden_nav{
        position: fixed;
        top: 0;
        left: -100%; /* hide off-screen initially */
        width: 70%;
        height: 100vh;
        background: #1c0058;
        transition: left 0.5s ease-in-out;
        z-index: 999;
        padding-top: 60px;
    }
    #hidden_nav nav ul {
        list-style: none;
        padding: 0;
        display: block;
    }
    #hidden_nav nav ul li {
        margin: 40px 0;
        text-align: center;
    }
    #hidden_nav nav ul li a {
        color: #fff;
        text-decoration: none;
        font-size: 18px;
        transition: color 0.2s;
    }
    #hidden_nav nav ul li a:hover {
        color: #e8b600;
    }

    #hidden_nav.active {
        left: 0;
    }

    .logo {
      font-size: 1.6rem;
      font-weight: 700;
    }
    .logo span {
      color: #ff7a00;
    }

    nav ul {
      list-style: none;
      display: flex;
      gap: 25px;
    }

    nav a {
      text-decoration: none;
      color: white;
      transition: 0.3s;
      font-weight: bold;
    }

    nav a:hover {
      color: #ff7a00;
    }

    /* ===== Sections ===== */
    .section {
      padding: 100px 10%;
      text-align: center;
    }

    .section.alt {
      background: #001f3f;
      color: white;
    }

    /* ===== Hero Section ===== */
    .hero {
    position: relative;
      height: 100vh;
      background: url("https://images.unsplash.com/photo-1581092332441-f558f7b0f6d9?auto=format&fit=crop&w=1920&q=80")
        center/cover no-repeat;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: white;
      padding: 0 20px;
    }

    .hero .overlay {
      position: absolute;
      inset: 0;
      background: rgba(0, 31, 63, 0.8);
    }

    .hero .content {
      position: relative;
      z-index: 2;
      max-width: 800px;
    }

    .hero h1 {
      font-size: 2.6rem;
      font-weight: 700;
      margin-bottom: 20px;
      line-height: 1.2;
    }

    .hero h1 span {
      color: #ff7a00;
    }

    .hero p {
      font-size: 1.1rem;
      margin-bottom: 30px;
      color: #f1f1f1;
    }

    .hero-buttons {
      display: flex;
      gap: 15px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .btn {
      display: inline-block;
      padding: 10px 22px;
      background: #ff7a00;
      color: white;
      text-decoration: none;
      border-radius: 6px;
      transition: 0.3s;
      font-weight: 500;
    }

    .btn:hover {
      background: #ff9a33;
    }

    .btn.btn-alt {
      background: transparent;
      border: 2px solid #ff7a00;
    }

    .btn.btn-alt:hover {
      background: #ff7a00;
      color: #fff;
    }

    .container {
      max-width: 900px;
      margin: auto;
    }

    h1, h2, h3 {
      margin-bottom: 15px;
    }

    p {
      font-size: 1rem;
      line-height: 1.6;
    }

    .why-grid,
    .service-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .card {
      background: white;
      color: #001f3f;
      border-radius: 8px;
      padding: 20px;
      box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
      transition: 0.3s;
    }

    .card:hover {
      transform: translateY(-5px);
    }

    /* ===== Contact Section ===== */
    form {
      display: flex;
      flex-direction: column;
      gap: 15px;
      max-width: 500px;
      margin: 30px auto 0;
    }

    input,
    textarea {
      padding: 12px;
      border: none;
      border-radius: 6px;
      font-size: 1rem;
      width: 100%;
    }

    textarea {
      height: 100px;
      resize: none;
    }

    footer {
      background: #001f3f;
      text-align: center;
      color: white;
      padding: 15px 10px;
      margin-top: 50px;
      font-size: 0.9rem;
    }

    /* ===== Animation ===== */
    .animate {
      opacity: 0;
      transform: translateY(50px);
      transition: all 0.8s ease-out;
    }

    .animate.show {
      opacity: 1;
      transform: translateY(0);
    }

    /* ===== Responsive Design ===== */
    @media (max-width: 992px) {
      header {
        padding: 12px 5%;
      }
      .hero h1 {
        font-size: 2.2rem;
      }
      .section {
        padding: 80px 6%;
      }
    }

    @media (max-width: 768px) {
      .nav {
        display: none;
        }

        #menu-btn {
            display: inline-block;
     }

      header {
        flex: wrap;
      }

      .hero h1 {
        font-size: 2rem;
      }

      .hero p {
        font-size: 1rem;
      }

      .why-grid,
      .service-grid {
        grid-template-columns: 1fr;
      }
    }
    @media (min-width: 769px){
        #hidden_nav {
            display: none;
        }
        #menu-btn {
            display: none;
        }
    }

    @media (max-width: 480px) {
      .hero {
        height: 85vh;
      }
      .hero h1 {
        font-size: 1.7rem;
      }
      .btn {
        padding: 8px 18px;
        font-size: 0.9rem;
      }
    }