*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root {
      --blue: #1a3a6e;
      --blue-dark: #0d2147;
      --blue-light: #2255a4;
      --accent: #1a6eb5;
      --text: #222;
      --text-light: #555;
      --white: #fff;
      --gray-bg: #f5f7fa;
      --border: #e0e4ea;
      --orange: #e87c2a;
    }
    html { scroll-behavior: smooth; }
    body { font-family: 'Segoe UI', Arial, sans-serif; color: var(--text); background: #fff; }
    a { text-decoration: none; color: inherit; }
    img { display: block; max-width: 100%; }
    ul { list-style: none; }

.btn-primary {
      background: var(--accent); color: #fff;
      border: none; border-radius: 5px; padding: 10px 20px;
      font-size: 13px; font-weight: 600; cursor: pointer;
      transition: background 0.2s; display: inline-block;
    }
    .btn-primary:hover { background: #1558a0; }
    .btn-outline {
      border: 1.5px solid rgba(255,255,255,0.5); color: #fff;
      border-radius: 5px; padding: 9px 18px;
      font-size: 13px; font-weight: 600; cursor: pointer;
      background: transparent; transition: all 0.2s; display: inline-block;
    }
    .btn-outline:hover { background: rgba(255,255,255,0.15); }
    .btn-outline-dark {
      border: 1.5px solid var(--border); color: var(--blue);
      border-radius: 5px; padding: 9px 18px;
      font-size: 13px; font-weight: 600; cursor: pointer;
      background: #fff; transition: all 0.2s; display: inline-block;
    }
    .btn-outline-dark:hover { background: var(--blue); color: #fff; border-color: var(--blue); }