/* Reset default styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        /* Typography */
        body {
            font-family: 'Roboto', sans-serif;
            font-size: 16px;
            line-height: 1.6;
            color: #333;
            background-color: #ffffff;
        }

        h1, h2 {
            font-weight: 700;
            text-align: center;
            margin-bottom: 15px;
        }
        
/* Header */
.header {
    padding: 80px 0;
    text-align: center;
    background-image: linear-gradient(to bottom, rgba(0,0,0,0.5), rgba(0,0,0,0.3)), url("https://www.mnthen.com/images/index_header.png");
    background-size: cover;
    background-position: center;
    color: #fff;
    position: relative;
}

.header-content {
    position: relative;
    z-index: 1;
}

.header-box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.7);
    padding: 30px;
    border-radius: 10px;
    width: 80%;
    max-width: 600px;
}

.header h1 {
    font-size: 54px;
    font-weight: 900;
    margin-bottom: 15px;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.6);
}

.header p {
    font-size: 24px;
    font-weight: 400;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

        /* Sections */
        .section {
            margin-bottom: 40px;
            margin-top: 20px;
        }

        .section h2 {
            font-size: 24px;
        }

        .section p {
            margin-bottom: 20px;
        }

.navbar {
  width: 100%;
  background-color: #2c3e50; /* Dark blue color */
  padding: 10px;
  display: flex;
  justify-content: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.navbar-links {
  display: flex;
  align-items: center;
}

.nav-link {
  color: #fff;
  text-decoration: none;
  margin: 0 20px;
  font-size: 18px;
  font-weight: 500;
  transition: color 0.3s;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.nav-link:hover {
  color: #e9ecef;
}

        /* Container */
        .container {
            max-width: 960px;
            margin: 0 auto;
            padding: 20px;
            background-color: #fff;
            margin-top: 5px;
            border-radius: 10px;
        }

        /* Content */
        .content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap; /* Added for responsive layout */
        }

        .login-section {
            flex: 1 1 100%; /* Added for responsive layout */
            background-color: #fff;
            padding: 30px;
            margin-top: 20px;
            margin-bottom: 20px; /* Added for spacing on mobile */
        }

        /* Login Form */
        .login-form {
            max-width: 400px;
            margin: 0 auto;
        }

        .input-group {
            margin-bottom: 15px;
            text-align: left;
        }

        .input-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: 700;
        }

        .input-group input {
            width: 100%;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 16px;
        }

        button[type="submit"],
        button[type="button"] {
            background-color: #007bff;
            color: #fff;
            padding: 10px 20px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            width: 100%;
            margin-bottom: 10px;
            font-size: 16px;
            transition: background-color 0.3s ease;
        }

        button[type="submit"]:hover,
        button[type="button"]:hover {
            background-color: #0056b3;
        }

        .signup-link {
            color: #007bff;
            text-decoration: none;
            font-weight: 700;
            transition: color 0.3s ease;
        }

        .signup-link:hover {
            color: #0056b3;
        }

        /* Popup */
        .popup {
            display: none;
            position: fixed;
            z-index: 1;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.4);
        }

        .popup-content {
            background-color: #fefefe;
            margin: 15% auto;
            padding: 20px;
            border: 1px solid #888;
            max-width: 400px;
            width: 80%;
            border-radius: 10px;
            text-align: center;
            position: relative;
        }

        .popup-content p {
            margin-bottom: 20px;
            font-size: 18px;
        }

        .popup-content button {
            background-color: #007bff;
            color: #fff;
            padding: 10px 20px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
            transition: background-color 0.3s ease;
        }

        .popup-content button:hover {
            background-color: #0056b3;
        }

        /* Media Queries */
        @media (max-width: 767px) {
            .header h1 {
                font-size: 32px;
            }

            .header p {
                font-size: 16px;
            }

            .container {
                border-radius: 0;
            }

            .login-section {
                padding: 20px;
            }
        }