/* Reset و فونت */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
@font-face {
  font-family: 'titr';
  src: url('fonts/B Titr Bold_0.ttf') format('ttf');
}
@font-face {
  font-family: 'iran';
  src: url('fonts/fa-Iran-sans-web-bold.woff2') format('woff2');
}
@font-face {
  font-family: 'vazir';
  src: url('fonts/Vazirmatn-Bold.woff2') format('woff2');
}
        /* استایل‌های پایه */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        /* فرم ثبت نام کارشناس */
        .expert-register-section {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            margin-bottom: 2rem;
        }
        
        .section-title {
            font-family: 'Tahoma', sans-serif;
            color: #1e3c72;
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            text-align: center;
            position: relative;
            padding-bottom: 1rem;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 50%;
            transform: translateX(50%);
            width: 100px;
            height: 4px;
            background: linear-gradient(90deg, #1e3c72 0%, #2a5298 100%);
            border-radius: 4px;
        }
        
        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: #1e3c72;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-family: 'Vazir', Tahoma, sans-serif;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        
        .form-control:focus {
            border-color: #1e3c72;
            outline: none;
            box-shadow: 0 0 0 3px rgba(30, 60, 114, 0.1);
        }
        
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        
        input[type="file"] {
            padding: 8px;
        }
        
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            font-family: 'Vazir', Tahoma, sans-serif;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        
        .btn:hover {
            background: linear-gradient(135deg, #2a5298 0%, #1e3c72 100%);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(30, 60, 114, 0.3);
        }
        
        .btn-block {
            display: block;
            width: 100%;
        }
        
        .alert {
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 20px;
        }
        
        .alert-success {
            background-color: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }
        
        .alert-error {
            background-color: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }
        
        small {
            color: #666;
            font-size: 0.85rem;
        }
        
        /* رسپانسیو */
        @media (max-width: 768px) {
            .form-grid {
                grid-template-columns: 1fr;
            }
            
            .container {
                padding: 10px;
            }
            
            .expert-register-section {
                padding: 1.5rem;
            }
        }