:root {
            --primary-color: #007BFF;
            --primary-hover: #0056b3;
            --dark-color: #333;
            --light-color: #fff;
            --grey-bg: #f9f9f9;
            --border-color: #ddd;
        }

body {
            font-family: 'Open Sans', sans-serif;
            color: #333;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            background-color: #f9f9f9; /* Light grey bg for contrast */
            display: flex;
            flex-direction: column;
            min-height: 100vh;
}

header {
    display: block;
    unicode-bidi: isolate;
}
.head{
max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;

}

.logo {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
            text-decoration: none;
}

header {
            background: var(--light-color);
            border-bottom: 2px solid #f0f0f0;
            padding: 20px 0px;
            flex-shrink: 0;
        }
        header .head {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
nav ul {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
        }
        nav li {
            margin-left: 25px;
        }
        nav a {
            font-family: 'Montserrat', sans-serif;
            text-decoration: none;
            color: #555;
            font-weight: 700;
            font-size: 0.9rem;
        }
nav a:hover, nav a.active {
            color: var(--primary-color);
        }

.container {

  background: var(--light-color);
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(0,0,0,0.4);
  text-align: center;
  width: 460px;
  max-width: 960px;
  margin-top: 40px;
  margin-left:  auto;
  margin-right: auto;
  padding-top: 10px;
  padding-bottom: 40px;
  padding-left: 30px;
  padding-right: 30px;
  flex-grow: 1;} /* Pushes footer down */

.options-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            
            text-align: left;
        }
.form-group label {
            display: block;
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 8px;
            color: #333333;
        }
.form-group input {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 5px;
            font-size: 1rem;
            font-family: 'Open Sans', sans-serif;
            box-sizing: border-box; /* Important for padding */
        }
.form-group.full-width {
            grid-column: 1 / -1;
        }

 .footercont {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }           
            
 .cta-button:disabled {
            background-color: #aaa;
            cursor: not-allowed;
        }
.cta-button:hover:not(:disabled) {
            background-color: var(--primary-hover);
        }
.cta-button {
            display: inline-block;
            font-family: 'Montserrat', sans-serif;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--light-color);
            background-color: var(--primary-color);
            padding: 15px 35px;
            text-decoration: none;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s ease;
            width: 100%;
            margin-top: 30px;
        }           
            

input, button {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  border-radius: 8px;
  border: none;
  box-sizing: border-box;
}


#result a {
  color: var(--primary-color);
  word-break: break-all;
}

.loader {
  border: 6px solid #f3f3f3;
  border-top: 6px solid #3498db;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

footer {
            background: var(--dark-color);
            color: #aaa;
            padding: 40px 120px;
            text-align: center;
            flex-shrink: 0;
            margin-top: 40px;
}
footer .footercont {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

footer a {
            color: #fff;
            text-decoration: none;
            margin: 0 10px;
        }
        footer a:hover {
            text-decoration: underline;
        }

/* --- Responsive --- */
        @media (max-width: 768px) {
            .logo { font-size: 1.2rem; }
            nav li { margin-left: 10px; }
            nav a { font-size: 0.8rem; }
            footer .footercont {
                flex-direction: column;
            }
            footer p { margin-bottom: 10px; }
            .options-grid {
                grid-template-columns: 1fr;
            }
        }



@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}