    body {
      margin: 0;
      font-family: "Segoe UI", Roboto, Arial, sans-serif;
      background: #f2f6fa;
      color: #333;
      line-height: 1.6;
      scroll-behavior: smooth;
    }
    h1, h2 { margin: 0 0 15px; font-weight: 600; }
    p { margin: 0 0 10px; }

    /* ---------- Header ---------- */
    header {
      background: linear-gradient(135deg, #0077cc, #005fa3);
      color: #fff;
      padding: 12px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      box-shadow: 0 2px 6px rgba(0,0,0,0.15);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    header h1 { font-size: 22px; letter-spacing: 1px; }

    /* ---------- Navbar ---------- */
    nav {
      display: flex;
      gap: 20px;
      transition: max-height 0.3s ease;
    }
    nav a {
      color: white;
      text-decoration: none;
      padding: 8px 14px;
      border-radius: 6px;
      transition: background 0.3s;
      font-size: 15px;
    }
    nav a:hover { background: rgba(255,255,255,0.15); }

    .menu-toggle {
      display: none;
      background: linear-gradient(135deg, #ffffff, #e6e6e6);
      color: #0077cc;
      border: none;
      padding: 8px 14px;
      border-radius: 6px;
      cursor: pointer;
      font-weight: 600;
    }
    .menu-toggle:hover { background: #fff; }

    /* ---------- Page Content ---------- */
    .container {
      padding: 30px 20px;
      display: none;
      animation: fadeIn 0.4s ease;
    }
    .active-page { display: block; }
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* ---------- Banner ---------- */
    .banner {
      width: 100%;
      height: 300px;
      object-fit: cover;
      border-radius: 12px;
      margin-bottom: 20px;
      box-shadow: 0 3px 12px rgba(0,0,0,0.1);
      position: relative;
    }
    .banner::after {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: rgba(0,0,0,0.3);
      border-radius: 12px;
    }

    /* ---------- Auth ---------- */
    .auth-container {
      max-width: 400px;
      margin: 50px auto;
      background: #fff;
      padding: 25px;
      border-radius: 12px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    }
    .auth-container input {
      width: 100%;
      padding: 12px;
      margin: 10px 0;
      border: 1px solid #ccc;
      border-radius: 6px;
      font-size: 14px;
    }
    .auth-container button {
      width: 100%;
      padding: 12px;
      background: linear-gradient(135deg, #0077cc, #005fa3);
      border: none;
      color: white;
      border-radius: 6px;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
    }
    .auth-container button:hover { background: #004a82; }

    /* ---------- Profile ---------- */
    .profile-card {
      background: #fff;
      padding: 20px;
      border-radius: 12px;
      max-width: 500px;
      margin: auto;
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
      text-align: center;
    }
    .profile-card img {
      width: 120px;
      height: 120px;
      border-radius: 50%;
      margin-bottom: 15px;
      border: 3px solid #0077cc;
    }

    /* ---------- Services & Cards ---------- */
    .info { margin-top: 30px; padding: 20px; text-align: center; }
    .search-bar { margin: 20px auto; max-width: 400px; }
    .search-bar input { width: 100%; padding: 12px; border: 1px solid #aaa; border-radius: 8px; font-size: 15px; }
    .camera-container { display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; }
    .camera-card { flex: 1 1 250px; max-width: 300px; background: #fcfcfc; border-radius: 20px; padding: 15px; text-align: center; box-shadow: 4px 4px 20px rgba(0,0,0,0.1); transition: transform 0.2s ease; }
    .camera-card:hover { transform: scale(1.05); }
    .camera-card img { width: 140px; border-radius: 15px; margin-bottom: 10px; }
    .camera-card h5 { margin: 10px 0; }
    .camera-card button { padding: 10px 20px; border: none; background: linear-gradient(135deg, #00c851, #009432); color: #fff; border-radius: 20px; cursor: pointer; font-weight: bold; box-shadow: 0 4px 10px rgba(0,0,0,0.2); }
    .camera-card button:hover { background: #007e33; }

    /* ---------- Utility Sections (used in Home/About long content) ---------- */
    .section { padding: 28px 12px; }
    .section.alt { background: #ffffff; }
    .section.muted { background: #f8fbff; }
    .section .wrap { max-width: 1080px; margin: 0 auto; }
    .grid { display: grid; gap: 16px; }
    .grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .card { background:#fff; border-radius:16px; padding:16px; box-shadow: 0 6px 18px rgba(0,0,0,0.06); }
    .badge { display:inline-block; padding:6px 10px; border-radius:999px; font-size:12px; background:#e7f3ff; color:#0468c7; margin-right:6px; }
    .callout { background:linear-gradient(135deg, #e9f6ff, #fff); border:1px solid #cfe8ff; border-radius:14px; padding:18px; }
    .kpi { text-align:center; padding:16px; border-radius:16px; background:#fff; box-shadow:0 6px 18px rgba(0,0,0,0.06); }
    .kpi h3 { font-size:28px; margin:0; }
    .kpi p { margin:6px 0 0; color:#555; }

    /* ---------- Mobile ---------- */
    @media (max-width: 900px) {
      .grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }
    @media (max-width: 700px) {
      nav { flex-direction: column; width: 100%; background: #0064b5; max-height: 0; overflow: hidden; }
      nav.active { max-height: 300px; padding: 10px 0; }
      nav a { padding: 12px 20px; border-radius: 0; }
      .menu-toggle { display: block; }
      .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
    }

    .logo { border-radius: 50%; width: 50px; height: 50px; object-fit: cover; }
  
    .a1  {
      text-decoration: none;
      color: #000;
    }
    .btn1 {
      background-color: #fff;
      border: #000 solid;
      height: 50px;
      width: 100px;
    }